《简易5号电池恒流充电器论文》

《简易5号电池恒流充电器论文》 郑州轻工业学院 本科课程设计,论文, 题 快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题 目 简易5号电池恒流充电器 学生姓名 专业班级 学 号 院 系 指导教师 完成时间 2014年2月21日 Opinions and suggestions on the party's mass line educational practiceAccording to the central and provincial, municipal unified deployment, according to municipal Party committee "about carrying out the party's mass line educational practice activity in the city's implementation opinions, the spirit of the party's mass line educational practice activities from 20** in January to 99 months, carried out at all levels of departments and directly affiliated institutions and grass-roots party organizations. According to my actual County, the county to carry out the education practice put forward the following implementation opinions.First, the overall requirementsCounty county education practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as the guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly implement the Central Committee really, opinions and advice > < < >, < party implementing the guiding ideology of opinions to determine the objectives and requirements, step method, in accordance with the "" look in the mirror, dress up, wash bath, cure treatment, the general requirements of "for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuanglang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promote transformation across efforts, to further implement the central eight regulations and < The opposition party and government austerity waste regulations "," double section "provincial regulations, municipal provisions of the" twelve "plan and the implementation measures for < on improving the work style of close ties with the masses law, highlight style building, carry out the whole wind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party members and cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinking and understanding, to further change the style of the wind, the masses to close, honest and pragmatic people honest image to further establish the foundation to further reinforce the basic level. Style of the building of the new results to promote the construction of a powerful force of the county and the ecological culture of the county and county construction.In educational practice activities of the unit is mainly: the county and below county departments under the organs, enterprises and institutions directly under the township, street, and community, village, non-public economic organizations, social organizations and other grass-roots organizations. Agencies and branches, each single unit, follow the rules on internal institutions. Educational practice with step by step.To adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly contact the service of the masses of law supervision departments and window units, service industry, educational practice, pay attention to grasp the heavy towns, streets and villages, community education activities and the masses of grassroots groups in close contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses and the party's education.Always speak seriously as a basic attitude, adhere to positive education, to carry out criticism and self criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, more focus on the four winds, solve the problem, pay more attention to open the door, the participation of the masses, pay more attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requirements on injection, really supervision practice, ensure education practice is not empty is not empty is not partial, not as a mere formality.Two, the key point of the taskThe main task of the county's education practice is to seize against "four wind" this focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, the disadvantages of the style, scale behavior to a large scale investigation, overhaul, cleaning greatly. At the same time, respond to the concerns of the masses, safeguard the interests of the masses, pay attention to solve practical problems, solve the people around the unwholesome tendencies especially on eat, take the card, Yong lazy luxury, extravagance and waste fees, privileges and other issues, timely and effective, without any discount to solve, to improve the style of real implementation of the requirements of real to the grassroots, real let group Benefit the public.(a) focus on solving the "four winds" outstanding issuesThe central and provincial requirements, the county leadership and leading cadres of key performance concept is not correct, do not dare to play, to engage in "image project", "political project", a leadership guide, a set of ideas, orders and prohibitions, and a policy, there are countermeasures county. The units directly under the heavy focus on solving Yung lazy drag, buck passing skin, work is not implemented, the service is not active. The dynamic problem of law enforcement and supervision departments and window units, service industry mainly solve the door hard, ugly face, something difficult, and arbitrary charges, fines, levies, and breach of privilege, chinakayao, not the problem of law. The township, street The collar of leading bodies and leading cadres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development. 郑州轻工业学院 课程设计任务 书 关于书的成语关于读书的排比句社区图书漂流公约怎么写关于读书的小报汉书pdf 题目:简易5号电池恒流充电器 专业学号姓名 主要内容、基本要求、主要参考资料等: 主要内容 1、阅读相关科技文献。 2、学习protel软件的使用。 3、学会整理和 总结 初级经济法重点总结下载党员个人总结TXt高中句型全总结.doc高中句型全总结.doc理论力学知识点总结pdf 设计文档报告。 4、学习如何查找器件手册及相关参数。 技术要求 、要求电路能够以恒定的电流对两节5号电池进行充电。 4 5、要求电路能够在充满的时候，自动切断电源。 6、要求电路能够显示电池是否充满。 主要参考资料 1、 何小艇，电子系统设计，浙江大学出版社，2001年6月 2、 姚福安，电子电路设计与实践，山东科学技术出版社， 2001年10月 3、 王澄非，电路与数字逻辑设计实践，东南大学出版社，1999年10月 4、 李银华，电子线路设计指导，北京航空航天大学出版社，2005年6月 5、 康华光，电子技术基础，高教出版社，2003年 完 成 期 限 : 2014年2月21日 指导教师签章 : 专业负责人签章: 2014年2月16日 to fung and understanding, to further change the style of the wind, the masses to close, honest and pragmatic people honest image cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinki s andwind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party member n measures for < on improving the work style of close ties with the masses law, highlight style building, carry out the wholentatioerity waste regulations "," double section "provincial regulations, municipal provisions of the" twelve "plan and the implemensformation across efforts, to further implement the central eight regulations and < The opposition party and government austte tralang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promot, the general requirements of "for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuangeatmenmine the objectives and requirements, step method, in accordance with the "" look in the mirror, dress up, wash bath, cure trent the Central Committee really, opinions and advice > < < >, < party implementing the guiding ideology of opinions to deterimplemhe guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly n practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as towing implementation opinions.First, the overall requirementsCounty county educatioroots party organizations. According to my actual County, the county to carry out the education practice put forward the foll-and directly affiliated institutions and grass tmentsf the party's mass line educational practice activities from 20** in January to 99 months, carried out at all levels of depare "about carrying out the party's mass line educational practice activity in the city's implementation opinions, the spirit oied deployment, according to municipal Party committeOpinions and suggestions on the party's mass line educational practiceAccording to the central and provincial, municipal unif2y seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.y, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and activelpolic e policy for policy. Serious research about social support the development of cultural undertakings in the country and the XXization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study thre optimquality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structu-quality management management personnel, and strive to build a high-trial development, vigorously the introduction of highindusto respond to market competition, improve management and operation of the market. At the same time, according to the need of concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability of cadres and workers of the existing business, firmly establish theowned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training -eve leveraging the development, ensure that the value of stateo achiproval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, te framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and apwin principle, in th-group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win ur) to promote the integration of resources. To further broaden their horizons, effective integration of resources within theet.(fowalking business road the competition of alienation and characteristics, the pursuit of stability and development of the marke, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, uniqu erformance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition p(threeres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.nd breach of privilege, chinakayao, not the problem of law. The township, street The collar of leading bodies and leading cades, awindow units, service industry mainly solve the door hard, ugly face, something difficult, and arbitrary charges, fines, levi n, work is not implemented, the service is not active. The dynamic problem of law enforcement and supervision departments andng skind a policy, there are countermeasures county. The units directly under the heavy focus on solving Yung lazy drag, buck passire to play, to engage in "image project", "political project", a leadership guide, a set of ideas, orders and prohibitions, aot dacentral and provincial requirements, the county leadership and leading cadres of key performance concept is not correct, do n ents of real to the grassroots, real let group Benefit the public.(a) focus on solving the "four winds" outstanding issuesTheuiremand other issues, timely and effective, without any discount to solve, to improve the style of real implementation of the req around the unwholesome tendencies especially on eat, take the card, Yong lazy luxury, extravagance and waste fees, privilegesople to the concerns of the masses, safeguard the interests of the masses, pay attention to solve practical problems, solve the pe advantages of the style, scale behavior to a large scale investigation, overhaul, cleaning greatly. At the same time, respondhe dishis focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, tre formality.Two, the key point of the taskThe main task of the county's education practice is to seize against "four wind" ts a meirements on injection, really supervision practice, ensure education practice is not empty is not empty is not partial, not attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requre amore focus on the four winds, solve the problem, pay more attention to open the door, the participation of the masses, pay mo criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, d selfand the party's education.Always speak seriously as a basic attitude, adhere to positive education, to carry out criticism anose contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses in clattention to grasp the heavy towns, streets and villages, community education activities and the masses of grassroots groups ontact the service of the masses of law supervision departments and window units, service industry, educational practice, payc with step by step.To adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly roots organizations. Agencies and branches, each single unit, follow the rules on internal institutions. Educational practice-sspublic economic organizations, social organizations and other gra-directly under the township, street, and community, village, non tice activities of the unit is mainly: the county and below county departments under the organs, enterprises and institutionsl pracconstruction of a powerful force of the county and the ecological culture of the county and county construction.In educationarther establish the foundation to further reinforce the basic level. Style of the building of the new results to promote the 简易5号电池恒流充电器 简易5号电池恒流充电器 摘要 普通电池充电均采用恒流方式时，只需控制充电时间即可完成对电池的充电，并不考虑电池会提前充满，电池充满后若不切断电源会影响电池的寿命，且浪费电资源。而本文介绍的是一种经济实用的简易电池恒流充电器，能够以恒定的电流对两节5号电池进行充电，当电池电量充满时可以自动显示电量充满，并且会自动切断电源停止充电。 本文设计的充电器是由变压器，桥式整流电路、恒流成生电路、自动断电电路、显示电路和电源电路6部分组成。本文较为详细的介绍了变压器整流电路、恒流成生电路、自动断电电路、显示电路和电源电路的工作原理及功能，向大家简单的展示了简易电池恒流充电器的设计过程。 关键词 电源电路/整流电路/恒流生成电路/自动断电电路/显示电路。 Opinions and suggestions on the party's mass line educational practiceAccording to the central and provincial, municipal unified deployment, according to municipal Party committee "about carrying out the party's mass line educational practice activity in the city's implementation opinions, the spirit of the party's mass line educational practice activities from 20** in January to 99 months, carried out at all levels of departments and directly affiliated institutions and grass-roots party organizations. According to my actual County, the county to carry out the education practice put forward the following implementation opinions.First, the overall requirementsCounty county education practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as the guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly implement the Central Committee really, opinions and advice > < < >, < party implementing the guiding ideology of opinions to determine the objectives and requirements, step method, in accordance with the "" look in the mirror, dress up, wash bath, cure treatment, the general requirements of "for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuanglang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promote transformation across efforts, to further implement the central eight regulations and < The opposition party and government austerity waste regulations "," double section "provincial regulations, municipal provisions of the" twelve "plan and the implementation measures for < on improving the work style of close ties with the masses law, highlight style building, carry out the whole wind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party members and cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinking and understanding, to further change the style of the wind, the masses to close, honest and pragmatic people honest image to further establish the foundation to further reinforce the basic level. Style of the building of the new results to promote the construction of a powerful force of the county and the ecological culture of the county and county construction.In educational practice activities of the unit is mainly: the county and below county departments under the organs, enterprises and institutions directly under the township, street, and community, village, non-public economic organizations, social organizations and other grass-roots organizations. Agencies and branches, each single unit, follow the rules on internal institutions. Educational practice with step by step.To adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly contact the service of the masses of law supervision departments and window units, service industry, educational practice, pay attention to grasp the heavy towns, streets and villages, community education activities and the masses of grassroots groups in close contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses and the party's education.Always speak seriously as a basic attitude, adhere to positive education, to carry out criticism and self criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, more focus on the four winds, solve the problem, pay more attention to open the door, the participation of the masses, pay more attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requirements on injection, really supervision practice, ensure education practice is not empty is not empty is not partial, not as a mere formality.Two, the key point of the taskThe main task of the county's education practice is to seize against "four wind" this focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, the disadvantages of the style, scale behavior to a large scale investigation, overhaul, cleaning greatly. At the same time, respond to the concerns of the masses, safeguard the interests of the masses, pay attention to solve practical problems, solve the people around the unwholesome tendencies especially on eat, take the card, Yong lazy luxury, extravagance and waste fees, privileges and other issues, timely and effective, without any discount to solve, to improve the style of real implementation of the requirements of real to the grassroots, real let group Benefit the public.(a) focus on solving the "four winds" outstanding issuesThe central and provincial requirements, the county leadership and leading cadres of key performance concept is not correct, do not dare to play, to engage in "image project", "political project", a leadership guide, a set of ideas, orders and prohibitions, and a policy, there are countermeasures county. The units directly under the heavy focus on solving Yung lazy drag, buck passing skin, work is not implemented, the service is not active. The dynamic problem of law enforcement and supervision departments and window units, service industry mainly solve the door hard, ugly face, something difficult, and arbitrary charges, fines, levies, and breach of privilege, chinakayao, not the problem of law. The township, street The collar of leading bodies and leading cadres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development. 目 录 第一章 设计目的........................................ 1 第二章 简易5号电池恒流充电器的功能 ..................... 2 第三章 设计原理及 方案 气瓶 现场处置方案 .pdf气瓶 现场处置方案 .doc见习基地管理方案.doc关于群访事件的化解方案建筑工地扬尘治理专项方案下载 .................................. 3 第四章 元器件清单 ...................................... 8 第五章 结束语 ......................................... 9 第六章 致谢 .......................................... 10 第七章 参考文献 ...................................... 11 te tralang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promot, the general requirements of "for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuangeatmenmine the objectives and requirements, step method, in accordance with the "" look in the mirror, dress up, wash bath, cure trent the Central Committee really, opinions and advice > < < >, < party implementing the guiding ideology of opinions to deterimplemhe guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly n practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as towing implementation opinions.First, the overall requirementsCounty county educatioroots party organizations. According to my actual County, the county to carry out the education practice put forward the foll-and directly affiliated institutions and grass tmentsf the party's mass line educational practice activities from 20** in January to 99 months, carried out at all levels of depare "about carrying out the party's mass line educational practice activity in the city's implementation opinions, the spirit oied deployment, according to municipal Party committeOpinions and suggestions on the party's mass line educational practiceAccording to the central and provincial, municipal unif4y seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.y, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and activelpolic e policy for policy. Serious research about social support the development of cultural undertakings in the country and the XXization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study thre optimquality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structu-quality management management personnel, and strive to build a high-trial development, vigorously the introduction of highindusto respond to market competition, improve management and operation of the market. At the same time, according to the need of concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability of cadres and workers of the existing business, firmly establish theowned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training -eve leveraging the development, ensure that the value of stateo achiproval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, te framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and apwin principle, in th-group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win ur) to promote the integration of resources. To further broaden their horizons, effective integration of resources within theet.(fowalking business road the competition of alienation and characteristics, the pursuit of stability and development of the marke, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, uniqu erformance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition p(threeres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.nd breach of privilege, chinakayao, not the problem of law. The township, street The collar of leading bodies and leading cades, awindow units, service industry mainly solve the door hard, ugly face, something difficult, and arbitrary charges, fines, levi n, work is not implemented, the service is not active. The dynamic problem of law enforcement and supervision departments andng skind a policy, there are countermeasures county. The units directly under the heavy focus on solving Yung lazy drag, buck passire to play, to engage in "image project", "political project", a leadership guide, a set of ideas, orders and prohibitions, aot dacentral and provincial requirements, the county leadership and leading cadres of key performance concept is not correct, do n ents of real to the grassroots, real let group Benefit the public.(a) focus on solving the "four winds" outstanding issuesTheuiremand other issues, timely and effective, without any discount to solve, to improve the style of real implementation of the req around the unwholesome tendencies especially on eat, take the card, Yong lazy luxury, extravagance and waste fees, privilegesople to the concerns of the masses, safeguard the interests of the masses, pay attention to solve practical problems, solve the pe advantages of the style, scale behavior to a large scale investigation, overhaul, cleaning greatly. At the same time, respondhe dishis focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, tre formality.Two, the key point of the taskThe main task of the county's education practice is to seize against "four wind" ts a meirements on injection, really supervision practice, ensure education practice is not empty is not empty is not partial, not attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requre amore focus on the four winds, solve the problem, pay more attention to open the door, the participation of the masses, pay mo criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, d selfand the party's education.Always speak seriously as a basic attitude, adhere to positive education, to carry out criticism anose contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses in clattention to grasp the heavy towns, streets and villages, community education activities and the masses of grassroots groups ontact the service of the masses of law supervision departments and window units, service industry, educational practice, payc with step by step.To adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly roots organizations. Agencies and branches, each single unit, follow the rules on internal institutions. Educational practice-sspublic economic organizations, social organizations and other gra-directly under the township, street, and community, village, non tice activities of the unit is mainly: the county and below county departments under the organs, enterprises and institutionsl pracconstruction of a powerful force of the county and the ecological culture of the county and county construction.In educationarther establish the foundation to further reinforce the basic level. Style of the building of the new results to promote the to fung and understanding, to further change the style of the wind, the masses to close, honest and pragmatic people honest image cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinki s andwind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party member n measures for < on improving the work style of close ties with the masses law, highlight style building, carry out the wholentatioerity waste regulations "," double section "provincial regulations, municipal provisions of the" twelve "plan and the implemensformation across efforts, to further implement the central eight regulations and < The opposition party and government aust 简易5号电池恒流充电器 第一章 设计目的 一、掌握个芯片的逻辑功能及使用方法 二、了解电路结构及其接线方法 三、了解元器件的工作原理 四、熟悉简易5号电池恒流充电器的设计制作 1 第二章 简易5号电池恒流充电器的功能 一、电路能够以恒定的电流对两节5号电池进行充电; 二、电路能够在电池充满时自动切断电源; 三、电路能够显示电池是否充满。 te tralang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promot, the general requirements of "for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuangeatmenmine the objectives and requirements, step method, in accordance with the "" look in the mirror, dress up, wash bath, cure trent the Central Committee really, opinions and advice > < < >, < party implementing the guiding ideology of opinions to deterimplemhe guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly n practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as towing implementation opinions.First, the overall requirementsCounty county educatioroots party organizations. According to my actual County, the county to carry out the education practice put forward the foll-and directly affiliated institutions and grass tmentsf the party's mass line educational practice activities from 20** in January to 99 months, carried out at all levels of depare "about carrying out the party's mass line educational practice activity in the city's implementation opinions, the spirit oied deployment, according to municipal Party committeOpinions and suggestions on the party's mass line educational practiceAccording to the central and provincial, municipal unif2y seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.y, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and activelpolic e policy for policy. Serious research about social support the development of cultural undertakings in the country and the XXization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study thre optimquality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structu-quality management management personnel, and strive to build a high-trial development, vigorously the introduction of highindusto respond to market competition, improve management and operation of the market. At the same time, according to the need of concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability of cadres and workers of the existing business, firmly establish theowned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training -eve leveraging the development, ensure that the value of stateo achiproval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, te framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and apwin principle, in th-group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win ur) to promote the integration of resources. To further broaden their horizons, effective integration of resources within theet.(fowalking business road the competition of alienation and characteristics, the pursuit of stability and development of the marke, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, uniqu erformance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition p(threeres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.nd breach of privilege, chinakayao, not the problem of law. The township, street The collar of leading bodies and leading cades, awindow units, service industry mainly solve the door hard, ugly face, something difficult, and arbitrary charges, fines, levi n, work is not implemented, the service is not active. The dynamic problem of law enforcement and supervision departments andng skind a policy, there are countermeasures county. The units directly under the heavy focus on solving Yung lazy drag, buck passire to play, to engage in "image project", "political project", a leadership guide, a set of ideas, orders and prohibitions, aot dacentral and provincial requirements, the county leadership and leading cadres of key performance concept is not correct, do n ents of real to the grassroots, real let group Benefit the public.(a) focus on solving the "four winds" outstanding issuesTheuiremand other issues, timely and effective, without any discount to solve, to improve the style of real implementation of the req around the unwholesome tendencies especially on eat, take the card, Yong lazy luxury, extravagance and waste fees, privilegesople to the concerns of the masses, safeguard the interests of the masses, pay attention to solve practical problems, solve the pe advantages of the style, scale behavior to a large scale investigation, overhaul, cleaning greatly. At the same time, respondhe dishis focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, tre formality.Two, the key point of the taskThe main task of the county's education practice is to seize against "four wind" ts a meirements on injection, really supervision practice, ensure education practice is not empty is not empty is not partial, not attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requre amore focus on the four winds, solve the problem, pay more attention to open the door, the participation of the masses, pay mo criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, d selfand the party's education.Always speak seriously as a basic attitude, adhere to positive education, to carry out criticism anose contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses in clattention to grasp the heavy towns, streets and villages, community education activities and the masses of grassroots groups ontact the service of the masses of law supervision departments and window units, service industry, educational practice, payc with step by step.To adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly roots organizations. Agencies and branches, each single unit, follow the rules on internal institutions. Educational practice-sspublic economic organizations, social organizations and other gra-directly under the township, street, and community, village, non tice activities of the unit is mainly: the county and below county departments under the organs, enterprises and institutionsl pracconstruction of a powerful force of the county and the ecological culture of the county and county construction.In educationarther establish the foundation to further reinforce the basic level. Style of the building of the new results to promote the to fung and understanding, to further change the style of the wind, the masses to close, honest and pragmatic people honest image cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinki s andwind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party member n measures for < on improving the work style of close ties with the masses law, highlight style building, carry out the wholentatioerity waste regulations "," double section "provincial regulations, municipal provisions of the" twelve "plan and the implemensformation across efforts, to further implement the central eight regulations and < The opposition party and government aust 简易5号电池恒流充电器 第三章 设计原理及方案 第一节 设计思路总体框图 恒流 自动断电 整流电成生电路 电路 显示电路 路 电源电路 简易5号电池恒流充电器电路总体框图如上图所示，它是由电源电路、变压整流电路、恒流生成电路、自动断电电路、显示电路和5部分组成。 通过电源电路可以将电网中的220V电压转变成为两节5号电池所需要的3V电压，经过桥式整流电路将交流电变成直流电，再通过滤波电路、D1稳压电路，出来后就可以出来稳定的直流电，为电路提供稳定的3V直流电。 经过变压、整流、滤波、稳压出来的稳定3V直流电进入恒流生成电路，利用运算放大器构成的电流负反馈放大电路起到稳定输出电流的作用，为电路产生恒定的充电电流。 从运放出来的电流经过了一组电阻、发光二极管正反接的显示电路进入自动断电电路，当电池是在充电的状态下，电池正极电压小于3V,比较器输出低电平。当电池电量充满后，电流串联反馈电路的电压继续增大，只要电池正极的电压大于3V，则比较器输出高电平，继电器中通过电流，将开关吸上去，断开电路，发光二极管放光显示电已充满。 第二节 电路结构 1.整流电路 图1 3 如图1，桥式整流电路电路具有将双向的交变电压变换为单向的脉动电压的功能，可以将从电路中输入的交流电变成直流电，是使用最多的一种整流电路。这种电路，只要增加两只二极管口连接成"桥"式结构，便具有全波整流电路的优点，而同时在一定程度上克服了它的缺点。 以上满足了我们提高变压器利用率并降低整流管最大反向电压的要求，实现了二极管整流输出的最佳性能。 需要特别指出的是，二极管作为整流元件，要根据不同的整流方式和负载大小加以选择。如选择不当，则或者不能安全工作，甚至烧了管子;或者大材小用，造成浪费。另外，在高电压或大电流的情况下，如果手头没有承受高电压或整定大电滤的整流元件，可以把二极管串联或并联起来使用。 2.滤波稳压电路 交流电经过二极管整流之后，方向单一了，但是大小(电流强度)还是处在不断地变化之中。这种脉动直流一般是不能直接用来给无线电装供电的。要把脉动直流变成波形平滑的直流，还需要再做一番“填平取齐”的工作，这便是滤波。换句话说，滤波的任务，就是把整流器输出电压中的波动成分尽可能地减小，改造成接近恒稳的直流电。滤波稳压电路由电容滤波电路和稳压管组成。 2.1电容滤波 图2.1 图2.2 如图2.1，电容器是一个储存电能的仓库。在电路中，当有电压加到电容器两端的时候，便对电容器充电，把电能储存在电容器中;当外加电压失去(或降低)之后，电容器将把储存的电能再放出来。充电的时候，电容器两端的电压逐渐升高，直到接近充电电压;放电的时候，电容器两端的电压逐渐降低，直到完全消失。电容器的容量越大，负载电阻值越大，充电和放电所需要的时间越长。这种电容带两端电压不能突变的特性，正好可以用来承担滤波的任务。二极管的导电角θ<π，流过二极管的瞬时电流很大，电流的有效值和平均值的关系与波 ntatioerity waste regulations "," double section "provincial regulations, municipal provisions of the" twelve "plan and the implemensformation across efforts, to further implement the central eight regulations and < The opposition party and government austte tralang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promot, the general requirements of "for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuangeatmenmine the objectives and requirements, step method, in accordance with the "" look in the mirror, dress up, wash bath, cure trent the Central Committee really, opinions and advice > < < >, < party implementing the guiding ideology of opinions to deterimplemhe guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly n practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as towing implementation opinions.First, the overall requirementsCounty county educatioroots party organizations. According to my actual County, the county to carry out the education practice put forward the foll-and directly affiliated institutions and grass tmentsf the party's mass line educational practice activities from 20** in January to 99 months, carried out at all levels of depare "about carrying out the party's mass line educational practice activity in the city's implementation opinions, the spirit oied deployment, according to municipal Party committeOpinions and suggestions on the party's mass line educational practiceAccording to the central and provincial, municipal unif4y seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.y, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and activelpolic e policy for policy. Serious research about social support the development of cultural undertakings in the country and the XXization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study thre optimquality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structu-quality management management personnel, and strive to build a high-trial development, vigorously the introduction of highindusto respond to market competition, improve management and operation of the market. At the same time, according to the need of concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability of cadres and workers of the existing business, firmly establish theowned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training -eve leveraging the development, ensure that the value of stateo achiproval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, te framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and apwin principle, in th-group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win ur) to promote the integration of resources. To further broaden their horizons, effective integration of resources within theet.(fowalking business road the competition of alienation and characteristics, the pursuit of stability and development of the marke, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, uniqu erformance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition p(threeres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.nd breach of privilege, chinakayao, not the problem of law. The township, street The collar of leading bodies and leading cades, awindow units, service industry mainly solve the door hard, ugly face, something difficult, and arbitrary charges, fines, levi n, work is not implemented, the service is not active. The dynamic problem of law enforcement and supervision departments andng skind a policy, there are countermeasures county. The units directly under the heavy focus on solving Yung lazy drag, buck passire to play, to engage in "image project", "political project", a leadership guide, a set of ideas, orders and prohibitions, aot dacentral and provincial requirements, the county leadership and leading cadres of key performance concept is not correct, do n ents of real to the grassroots, real let group Benefit the public.(a) focus on solving the "four winds" outstanding issuesTheuiremand other issues, timely and effective, without any discount to solve, to improve the style of real implementation of the req around the unwholesome tendencies especially on eat, take the card, Yong lazy luxury, extravagance and waste fees, privilegesople to the concerns of the masses, safeguard the interests of the masses, pay attention to solve practical problems, solve the pe advantages of the style, scale behavior to a large scale investigation, overhaul, cleaning greatly. At the same time, respondhe dishis focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, tre formality.Two, the key point of the taskThe main task of the county's education practice is to seize against "four wind" ts a meirements on injection, really supervision practice, ensure education practice is not empty is not empty is not partial, not attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requre amore focus on the four winds, solve the problem, pay more attention to open the door, the participation of the masses, pay mo criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, d selfand the party's education.Always speak seriously as a basic attitude, adhere to positive education, to carry out criticism anose contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses in clattention to grasp the heavy towns, streets and villages, community education activities and the masses of grassroots groups ontact the service of the masses of law supervision departments and window units, service industry, educational practice, payc with step by step.To adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly roots organizations. Agencies and branches, each single unit, follow the rules on internal institutions. Educational practice-sspublic economic organizations, social organizations and other gra-directly under the township, street, and community, village, non tice activities of the unit is mainly: the county and below county departments under the organs, enterprises and institutionsl pracconstruction of a powerful force of the county and the ecological culture of the county and county construction.In educationarther establish the foundation to further reinforce the basic level. Style of the building of the new results to promote the to fung and understanding, to further change the style of the wind, the masses to close, honest and pragmatic people honest image cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinki s andwind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party member n measures for < on improving the work style of close ties with the masses law, highlight style building, carry out the whole 简易5号电池恒流充电器 形有关，在平均值相同的情况下，波形越尖，有效值越大，在纯电阻负载时，变压器副边电流的有效值I2=1.11IL,而有电容滤波时，I2=(1.5-2)IL;负载平均电压VL升高，纹波减小，且RLC越大，电容放电速率越慢，则负载电压中的纹波成分减小，负载平均电压越高。为了得到平滑的负载电压，一般取T=RLC;负载直流电压随负载电流增加而减小，C值一定，当RL=?，即空载时VLO=1.4V2，当C=0，即无电容时VLO=0.9V2，在整流电路的内阻不太大和放电时间常数满足以上关系式时，电容滤波电路的负载电压VL和V2的关系约为VL=(1.1-1.2)V2，总之，电容滤波电路简答，负载直流电压VL较高，纹波也较小，它的缺点是输出特性较差，故适用于负载电压较高，负载变动不大的场合。 2.2稳压管 如图2.2，电网电压升高，整流电路的输出电压Usr也随之升高，引起负载电压Usc 升高。由于稳压管DW与负载Rfz并联，Usc 只要有根少一点增长，就会使流过稳压管的电流急剧增加，使得I1也增大，限流电阻R1上的电压降增大，从而抵消了Usr的升高，保持负载电压Usc 基本不变。反之，若电网电压降低，引起Usr下降，造成Usc 也下降，则稳压管中的电流急剧减小，使得I1减小，R1上的压降也减小，从而抵消了Usr的下降，保持负载电压Usc 基本不变。 3(恒流生成电路(电流串联负反馈电路) (+) (+) (+) 图3. 如图3.a所示，此电路以集成运放作为基本放大电路，同样可用瞬时极性法判断塔尔的反馈极性，当在它的输入端施加一信号Vs，且其瞬时极性如图中的(+)所示时，输出电流Io流过Rl和Rf时，在Rf两端产生反馈电压Vf,其极性亦如图所示。显然，在输入回路中，Vf抵消了Vs的一部分，所以基本放大电路的净输入电压Vid减小，Io亦减小，其互导增益下降，故所引入的是负反馈。该电路为电流串联负反馈电路。该电路的特点是能维持输出电流的基本恒定。 4.自动断电电路 5 23456 1 D D 4.1电压比较电路 Vo VREF Vi 图4.1 a 图4.1b C 当电池的电压充满至3V时，继续充电，电池的电压大于3V,输出高电平。 4.2自动断电电路(继电器) C 图4.2a 图4.2b 当电池正在充电时，继电器中的开关闭合，当电池的电压大于3V，输出高 电平，使继电器的线圈通电，将闭合的开关吸上去，并与地段相连。原充 电电路断开。 5.显示电路(发光二极管) D LED B 图5 如图5所示，光二极管(LED)是用半导体材料制作的正向偏置的PN结二 极管。其发光机理是当在PN结两端注入正向电流时，注入的非平衡载流子(电 B子,空穴对)在扩散过程中复合发光，这种发射过程主要对应光的自发发射过程。 按光输出的位置不同，发光二极管可分为面发射型和边发射型。 发光二极管具有可靠性较高，室温下连续工作时间长、光功率,电流线性度 好等显著优点，而且由于此项技术已经发展得比较成熟，所以其价格非常便宜。 因此在一些简易的光纤传感器的设计中，如果LED能够胜任，选用它作为光源即 可大大降低整个传感器的成本。然而LED的发光机理决定了它存在着很多的不 足，如输出功率小、发射角大、谱线宽、响应速度低等。因此，在一些需要功率 s andwind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party member n measures for < on improving the work style of close ties with the masses law, highlight style building, carry out the wholentatioerity waste regulations "," double section "provincial regulations, municipal provisions of the" twelve "plan and the implemensformation across efforts, to further implement the central eight regulations and < The opposition party and government austte tralang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promot, the general requirements of "for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuangeatmenmine the objectives and requirements, step method, in accordance with the "" look in the mirror, dress up, wash bath, cure trent the Central Committee really, opinions and advice > < < >, < party implementing the guiding ideology of opinions to deterimplemhe guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly n practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as towing implementation opinions.First, the overall requirementsCounty county educatioroots party organizations. According to my actual County, the county to carry out the education practice put forward the foll-and directly affiliated institutions and grass tmentsf the party's mass line educational practice activities from 20** in January to 99 months, carried out at all levels of depare "about carrying out the party's mass line educational practice activity in the city's implementation opinions, the spirit oied deployment, according to municipal Party committeOpinions and suggestions on the party's mass line educational practiceAccording to the central and provincial, municipal unif6y seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.y, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and activelpolic e policy for policy. Serious research about social support the development of cultural undertakings in the country and the XXization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study thre optimquality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structu-quality management management personnel, and strive to build a high-trial development, vigorously the introduction of highindusto respond to market competition, improve management and operation of the market. At the same time, according to the need of concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability of cadres and workers of the existing business, firmly establish theowned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training -eve leveraging the development, ensure that the value of stateo achiproval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, te framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and apwin principle, in th-group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win ur) to promote the integration of resources. To further broaden their horizons, effective integration of resources within theet.(fowalking business road the competition of alienation and characteristics, the pursuit of stability and development of the marke, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, uniqu erformance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition p(threeres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.nd breach of privilege, chinakayao, not the problem of law. The township, street The collar of leading bodies and leading cades, awindow units, service industry mainly solve the door hard, ugly face, something difficult, and arbitrary charges, fines, levi n, work is not implemented, the service is not active. The dynamic problem of law enforcement and supervision departments andng skind a policy, there are countermeasures county. The units directly under the heavy focus on solving Yung lazy drag, buck passire to play, to engage in "image project", "political project", a leadership guide, a set of ideas, orders and prohibitions, aot dacentral and provincial requirements, the county leadership and leading cadres of key performance concept is not correct, do n ents of real to the grassroots, real let group Benefit the public.(a) focus on solving the "four winds" outstanding issuesTheuiremand other issues, timely and effective, without any discount to solve, to improve the style of real implementation of the req around the unwholesome tendencies especially on eat, take the card, Yong lazy luxury, extravagance and waste fees, privilegesople to the concerns of the masses, safeguard the interests of the masses, pay attention to solve practical problems, solve the pe advantages of the style, scale behavior to a large scale investigation, overhaul, cleaning greatly. At the same time, respondhe dishis focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, tre formality.Two, the key point of the taskThe main task of the county's education practice is to seize against "four wind" ts a meirements on injection, really supervision practice, ensure education practice is not empty is not empty is not partial, not attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requre amore focus on the four winds, solve the problem, pay more attention to open the door, the participation of the masses, pay mo criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, d selfand the party's education.Always speak seriously as a basic attitude, adhere to positive education, to carry out criticism anose contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses in clattention to grasp the heavy towns, streets and villages, community education activities and the masses of grassroots groups ontact the service of the masses of law supervision departments and window units, service industry, educational practice, payc with step by step.To adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly roots organizations. Agencies and branches, each single unit, follow the rules on internal institutions. Educational practice-sspublic economic organizations, social organizations and other gra-directly under the township, street, and community, village, non tice activities of the unit is mainly: the county and below county departments under the organs, enterprises and institutionsl pracconstruction of a powerful force of the county and the ecological culture of the county and county construction.In educationarther establish the foundation to further reinforce the basic level. Style of the building of the new results to promote the to fung and understanding, to further change the style of the wind, the masses to close, honest and pragmatic people honest image cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinki A 学习\99se\000\MyDesign.ddbDrawn By:A 123456 Title SizeNumberRevision B Date:21-Jun-2009Sheet of File:D:\ 简易5号电池恒流充电器 高、调制速率快、单色性好的光源的传感器设计中，就不得不以提高成本为代价，选用其它更高性能的光源。 当电池充满电，输出高电平，发光二极管发光，显示电池已充满电。 6.总原理图 图6 如图6，220V交流电压通过变压器变为需要的电压值，通过桥式整流电路和滤波电路得到需要的直流电，给两节5号电池充电需要稳定的3V电压，通过在桥式整流电路中并联上一个稳压二极管就可以得到稳定的3V电压，通过电流串联负反馈电路使输出端的电流保持恒定，就可以给两节5号电池充电，为了能够让电池充满电能够自动断开电路，需要加上一个比较器电路和自动断电电路，当电池的电压超过3V就能够使得比较器的输出端得到高电平，使得继电器中的磁铁将开关吸上去，断开电路，同时高电平使得发光二极管发光，显示电路充满电。这时两节5号电池放电让发光二极管发光，当电池的电压小于3V时，比较器的输出端输出低电平，二极管不亮 ，同时继电器中的的线圈没有电流通过，开关掉落，原电路导通，继续充电,依次循环下去。 7 第四章 元器件清单 符号(名称) 大小(类别) 数目 Rs 10千欧 1 Rf 470千欧 1 D1，D2，D3，D4, IN4007 4 LED1 发光二极管 1 QL51A 桥式整流堆 1 LM324 电压比较器 1 负载 5号电池 2 Tr 3V-220V 1 DZ 稳压管 1 C 滤波电容 0.33μF s andwind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party member n measures for < on improving the work style of close ties with the masses law, highlight style building, carry out the wholentatioerity waste regulations "," double section "provincial regulations, municipal provisions of the" twelve "plan and the implemensformation across efforts, to further implement the central eight regulations and < The opposition party and government austte tralang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promot, the general requirements of "for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuangeatmenmine the objectives and requirements, step method, in accordance with the "" look in the mirror, dress up, wash bath, cure trent the Central Committee really, opinions and advice > < < >, < party implementing the guiding ideology of opinions to deterimplemhe guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly n practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as towing implementation opinions.First, the overall requirementsCounty county educatioroots party organizations. According to my actual County, the county to carry out the education practice put forward the foll-and directly affiliated institutions and grass tmentsf the party's mass line educational practice activities from 20** in January to 99 months, carried out at all levels of depare "about carrying out the party's mass line educational practice activity in the city's implementation opinions, the spirit oied deployment, according to municipal Party committeOpinions and suggestions on the party's mass line educational practiceAccording to the central and provincial, municipal unif8y seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.y, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and activelpolic e policy for policy. Serious research about social support the development of cultural undertakings in the country and the XXization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study thre optimquality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structu-quality management management personnel, and strive to build a high-trial development, vigorously the introduction of highindusto respond to market competition, improve management and operation of the market. At the same time, according to the need of concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability of cadres and workers of the existing business, firmly establish theowned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training -eve leveraging the development, ensure that the value of stateo achiproval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, te framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and apwin principle, in th-group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win ur) to promote the integration of resources. To further broaden their horizons, effective integration of resources within theet.(fowalking business road the competition of alienation and characteristics, the pursuit of stability and development of the marke, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, uniqu erformance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition p(threeres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.nd breach of privilege, chinakayao, not the problem of law. The township, street The collar of leading bodies and leading cades, awindow units, service industry mainly solve the door hard, ugly face, something difficult, and arbitrary charges, fines, levi n, work is not implemented, the service is not active. The dynamic problem of law enforcement and supervision departments andng skind a policy, there are countermeasures county. The units directly under the heavy focus on solving Yung lazy drag, buck passire to play, to engage in "image project", "political project", a leadership guide, a set of ideas, orders and prohibitions, aot dacentral and provincial requirements, the county leadership and leading cadres of key performance concept is not correct, do n ents of real to the grassroots, real let group Benefit the public.(a) focus on solving the "four winds" outstanding issuesTheuiremand other issues, timely and effective, without any discount to solve, to improve the style of real implementation of the req around the unwholesome tendencies especially on eat, take the card, Yong lazy luxury, extravagance and waste fees, privilegesople to the concerns of the masses, safeguard the interests of the masses, pay attention to solve practical problems, solve the pe advantages of the style, scale behavior to a large scale investigation, overhaul, cleaning greatly. At the same time, respondhe dishis focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, tre formality.Two, the key point of the taskThe main task of the county's education practice is to seize against "four wind" ts a meirements on injection, really supervision practice, ensure education practice is not empty is not empty is not partial, not attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requre amore focus on the four winds, solve the problem, pay more attention to open the door, the participation of the masses, pay mo criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, d selfand the party's education.Always speak seriously as a basic attitude, adhere to positive education, to carry out criticism anose contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses in clattention to grasp the heavy towns, streets and villages, community education activities and the masses of grassroots groups ontact the service of the masses of law supervision departments and window units, service industry, educational practice, payc with step by step.To adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly roots organizations. Agencies and branches, each single unit, follow the rules on internal institutions. Educational practice-sspublic economic organizations, social organizations and other gra-directly under the township, street, and community, village, non tice activities of the unit is mainly: the county and below county departments under the organs, enterprises and institutionsl pracconstruction of a powerful force of the county and the ecological culture of the county and county construction.In educationarther establish the foundation to further reinforce the basic level. Style of the building of the new results to promote the to fung and understanding, to further change the style of the wind, the masses to close, honest and pragmatic people honest image cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinki 简易5号电池恒流充电器 第五章 结束语 这次课程设计花费了将近一周的时间，让我认识到自己的很多不足，自己知识的很多漏洞，看到了自己的实践经验还是比较缺乏，理论联系实际的能力还急需提高。 这次的课程设计也让我看到了团队的力量，我认为我们的工作是一个团队的工作，团队需要个人，个人也离不开团队，必须发扬团结协作的精神。刚开始的时候，大家就分配好了各自的任务，大家有的绘制原理图，进行仿真实验，有的积极查询相关资料，并且经常聚在一起讨论各个方案的可行性。在课程设计中只有一个人知道原理是远远不够的，必须让每个人都知道，否则一个人的错误，就有可能导致整个工作失败。团结协作是我们成功的一项非常重要的保证。而这次设计也正好锻炼我们这一点，这也是非常宝贵的。 通过本次课程设计,在收获知识的同时，还收获了阅历，收获了成熟，在此过程中，我们通过查找大量资料，请教老师，以及不懈的努力，不仅培养了独立思考、，在各种其它能力上也都有了提高。更重要的是，我们学会了很多学习的方法。而这是日后最实用的，真的是受益匪浅。要面对社会的挑战，只有不断的学习、实践，再学习、再实践。 本次设计的恒流充电器比较简单而且是只能为两节五号电池充电，由于时间有限，不能更加仔细的考虑，任然有一些地方存在不足，这是本次设计所存在的一个遗憾。 9 第六章 致谢 在本次论文设计过程中，感谢我的学校，给了我学习的机会，在学习中，老师从选题指导、论文 框架 财政支出绩效评价指标框架幼儿园园本课程框架学校德育工作框架世界古代史知识框架质量保证体系框架图 到细节修改，都给予了细致的指导，提出了很多宝贵的意见与建议，老师以其严谨求实的治学态度、高度的敬业精神、兢兢业业、孜孜以求的工作作风和大胆创新的进取精神对我产生重要影响。他渊博的知识、开阔的视野和敏锐的思维给了我深深的启迪。这篇论文是在老师的精心指导和大力支持下才完成的，多亏了小组组员之间的团队合作还有老师的悉心指导。在上了老师这么多课时之后，对于电路知识的运用更加灵活，对电路的系统理解更加规范，在这次设计课程的过程中，运用了不少新的知识，这也使我自己感到很骄傲。感谢所有授我以业的老师，没有这些年知识的积淀，我没有这么大的动力和信心完成这篇论文。感恩之余，诚恳地请各位老师对我的论文多加批评指正，使我及时完善论文的不足之处。我也感谢我的小组成员，给我的课程设计提出了宝贵的意见，让我解决了所遇到的问题。 谨以此致谢最后，我要向百忙之中抽时间对本文进行审阅的各位老师表示衷心的感谢。 t, the general requirements of "for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuangeatmenmine the objectives and requirements, step method, in accordance with the "" look in the mirror, dress up, wash bath, cure trent the Central Committee really, opinions and advice > < < >, < party implementing the guiding ideology of opinions to deterimplemhe guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly n practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as towing implementation opinions.First, the overall requirementsCounty county educatioroots party organizations. According to my actual County, the county to carry out the education practice put forward the foll-and directly affiliated institutions and grass tmentsf the party's mass line educational practice activities from 20** in January to 99 months, carried out at all levels of depare "about carrying out the party's mass line educational practice activity in the city's implementation opinions, the spirit oied deployment, according to municipal Party committeOpinions and suggestions on the party's mass line educational practiceAccording to the central and provincial, municipal unif10y seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.y, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and activelpolic e policy for policy. Serious research about social support the development of cultural undertakings in the country and the XXization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study thre optimquality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structu-quality management management personnel, and strive to build a high-trial development, vigorously the introduction of highindusto respond to market competition, improve management and operation of the market. At the same time, according to the need of concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability of cadres and workers of the existing business, firmly establish theowned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training -eve leveraging the development, ensure that the value of stateo achiproval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, te framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and apwin principle, in th-group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win ur) to promote the integration of resources. To further broaden their horizons, effective integration of resources within theet.(fowalking business road the competition of alienation and characteristics, the pursuit of stability and development of the marke, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, uniqu erformance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition p(threeres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.nd breach of privilege, chinakayao, not the problem of law. The township, street The collar of leading bodies and leading cades, awindow units, service industry mainly solve the door hard, ugly face, something difficult, and arbitrary charges, fines, levi n, work is not implemented, the service is not active. The dynamic problem of law enforcement and supervision departments andng skind a policy, there are countermeasures county. The units directly under the heavy focus on solving Yung lazy drag, buck passire to play, to engage in "image project", "political project", a leadership guide, a set of ideas, orders and prohibitions, aot dacentral and provincial requirements, the county leadership and leading cadres of key performance concept is not correct, do n ents of real to the grassroots, real let group Benefit the public.(a) focus on solving the "four winds" outstanding issuesTheuiremand other issues, timely and effective, without any discount to solve, to improve the style of real implementation of the req around the unwholesome tendencies especially on eat, take the card, Yong lazy luxury, extravagance and waste fees, privilegesople to the concerns of the masses, safeguard the interests of the masses, pay attention to solve practical problems, solve the pe advantages of the style, scale behavior to a large scale investigation, overhaul, cleaning greatly. At the same time, respondhe dishis focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, tre formality.Two, the key point of the taskThe main task of the county's education practice is to seize against "four wind" ts a meirements on injection, really supervision practice, ensure education practice is not empty is not empty is not partial, not attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requre amore focus on the four winds, solve the problem, pay more attention to open the door, the participation of the masses, pay mo criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, d selfand the party's education.Always speak seriously as a basic attitude, adhere to positive education, to carry out criticism anose contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses in clattention to grasp the heavy towns, streets and villages, community education activities and the masses of grassroots groups ontact the service of the masses of law supervision departments and window units, service industry, educational practice, payc with step by step.To adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly roots organizations. Agencies and branches, each single unit, follow the rules on internal institutions. Educational practice-sspublic economic organizations, social organizations and other gra-directly under the township, street, and community, village, non tice activities of the unit is mainly: the county and below county departments under the organs, enterprises and institutionsl pracconstruction of a powerful force of the county and the ecological culture of the county and county construction.In educationarther establish the foundation to further reinforce the basic level. Style of the building of the new results to promote the to fung and understanding, to further change the style of the wind, the masses to close, honest and pragmatic people honest image cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinki s andwind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party member n measures for < on improving the work style of close ties with the masses law, highlight style building, carry out the wholentatioerity waste regulations "," double section "provincial regulations, municipal provisions of the" twelve "plan and the implemensformation across efforts, to further implement the central eight regulations and < The opposition party and government austte tralang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promo 简易5号电池恒流充电器 第七章 参考文献 1、 何小艇，电子系统设计，浙江大学出版社，2001年6月 2、 姚福安，电子电路设计与实践，山东科学技术出版社， 2001年10月 3、 王澄非，电路与数字逻辑设计实践，东南大学出版社，1999年10月 4、 李银华，电子线路设计指导，北京航空航天大学出版社，2005年6月 5、 康华光，电子技术基础，高教出版社，2003年 11