Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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便携式绝缘电阻测试仪的设计

来源:电工电气发布时间:2016-03-10 13:10 浏览次数:12

便携式绝缘电阻测试仪的设计 

陈杏灿,程汉湘,彭湃,冼冀 
(广东工业大学 自动化学院,广东 广州 510006) 
 

摘 要: 针对电器设备随着环境的变化与寿命的减少,其绝缘水平将降低的现状。设计了以STC12C5A60S2 单片机为控制核心,简易的高频开关电源做500 V 测量电源,采用串联法的绝缘电阻测试仪。给出了系统原理及软硬件设计流程,通过试验表明,该测试仪具有稳定的高压输出、测试误差在5%以内、操作简单以及成本低廉等优点。
关键词: 绝缘电阻;单片机;开关电源;串联法
中图分类号:TM934.3 文献标识码:A 文章编号:1007-3175(2015)07-0046-04


Design of Portable Insulation Resistance Tester 

CHEN Xing-can, CHENG Han-xiang, PENG Pai, XIAN Ji 
(College of Automation, Guangdong University of Technology, Guangzhou 510006, China) 
 

Abstract: Aiming at the actuality that the electrical equipment will cut lifespan with the change of environment and insulation level will reduce, this paper designed a simple high frequency switching power supply as the 500 V testing power supply with microcontroller STC12C5A60S2 as the controlling core. The insulation resistance tester with series process was adopted and the system principle and the flowchart of software and hardware were given. The experiment shows that the tester has many advantages, such as stable high-voltage output, test error within five percent, easy operation and low costs.
Key words: insulated resistance; microcontroller; switching power supply; series process


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