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1、evaluation of scientific development. Nature security type-nature security is to maintenance people of health value for target, through strengthening security based management, and risk management, and equipment management and technology supervision, ensure production in the people, and real, and sy
2、stem, and system, elements security reliable, and harmony unified, full control various against factors, achieved thought no slack, and management no empty document, and equipment no hidden, and system no blocked, and unit zero non-stopped. Quality and efficiency-quality benefit is to adhere to the
3、enterprise survival, profit and development business truth, adhere to the all activity is economic activity, all costs can be controlled, money should not be wasted management philosophy, management analysis, to improve management quality, improve cost control capacity and market competitiveness. In
4、novation of science and technology-science and technology innovation is to play the role of science and technology as the primary productive force, active use of new technologies, new materials, new processes, new equipment, increase investment in science and technology, strengthening scientific and
5、 technological training, speeding up transforming scientific and technological achievements, forming a number of proprietary technology, enhancing core competitiveness. Resource-saving-the-resources saving enterprise was to reduce coal consumption, water consumption, electricity at the core, enhance
6、 the operation of lean management to realize low consumption, high efficiency, reduce production costs. Second is to strengthen the business, financial, material, information and the optimization of organization and management, saving the internal transaction costs. Harmonious development of harmoni
7、ous development-is to construct a foreign environment for development. XING refers to the internal security firm and internal management of the internal management measures are effective, harmonious. Foreign currency means Enterprise coordinating development of homeopathy, well, get along with the n
8、eighbors better. (B) XX 2013 five enterprises building intrinsic safety power company goals are: unplanned outage 0 times. Class of disorders 0, 0 is equivalent forced outage rate. No personal injury accident, material and equipment accidents do not occur, no fire, no environmental pollution acciden
9、t. Enterprise integrated to achieve zero cases of violation, zero accidents, zero. Quality goal is: when generating capacity 7.5 billion-kilowatt, sales of over 7.11 billion kWh, total profits of 306.6 million Yuan, . BFS+、PI、MIS、SCM Information systems infrastructure, fully integrated information s
10、ystem to realize information resources sharing; to expand the breadth and depth of the portal system, information system of Enterprise Management Assistant role to play; to improve the day-to-day operation and maintenance operation record of promoting causes and transfer system; to strengthen the tr
11、aining中文摘要：2前 言3第一章 充电器原理41.1 蓄电池与充电技术41.2 密封铅酸蓄电池的充电特性41.3 充电器充电原理51.3.1 蓄电池充电理论基础51.3.2 充电器的工作原理7第二章 总体设计方案92.1 系统设计92.2 方案策略9第三章 硬件电路设计113.1 电路总体设计113.2 芯片介绍113.2.1 LM358双运放113.2.2 UC3842单管开关电源123.2.3 EL817光耦合器133.2.4 场效应管K1358143.3 电动车充电器原理及各元件作用的概述153.3.1 充电器原理图15图3.5 充电器原理图153.3.2 各元器件作用概述153.
12、4 功能模块电路设计163.4.1 第一路通电开始163.4.2 第二路UC3842电路163.4.3 第三路LM358（双运算放大器）电路173.5 电动车充电器改进方案203.5.1 增加充满电发声提示电路203.5.2 加散热风扇21第四章 总结与展望22参考文献23致谢24supervision in large and medium goods vehicle. A is established large vehicles and small vehicles classification management of motor vehicle test mode, increas
13、ed medium van car, and dangerous goods transport car, and school car test project; II is established motor vehicle test regulatory platform, achieved motor vehicle test full process video, and data remote regulatory; three is strictly motor vehicle identification management, equipped with unified of
14、 identification equipment and tool, using mobile identification Terminal, and law enforcement records instrument, technology identification means. As to 20XX years June 20 statewide motor vehicle keep volume for 567,408 car, and last year earlier than growth 75,814 car, growth 13.36%; this year Janu
15、ary-June, vehicles management section and license archives management section total accepted the motor vehicle registration business 42,543 car times, which registered registration 6,905 car times, and transfer registration 3,592 car times, and change registration 1033 car times, and mortgage regist
16、ration 696 car times, and cancellation registration 187 car times, and into business 980 car times, and Archives corrections 81 pieces times, and issued test qualified logo 25,429 car times, and other vehicles business 3,640 car times; supervision Survey Section relies on motor vehicle detection remote issued test qualified
