Suzhou Electric Appliance Research Institute
期刊號(hào): CN32-1800/TM| ISSN1007-3175

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便攜式絕緣電阻測(cè)試儀的設(shè)計(jì)

來(lái)源:電工電氣發(fā)布時(shí)間:2016-03-10 13:10 瀏覽次數(shù):11

便攜式絕緣電阻測(cè)試儀的設(shè)計(jì) 

陳杏燦,程漢湘,彭湃,冼冀 
(廣東工業(yè)大學(xué) 自動(dòng)化學(xué)院,廣東 廣州 510006) 
 

摘 要: 針對(duì)電器設(shè)備隨著環(huán)境的變化與壽命的減少,其絕緣水平將降低的現(xiàn)狀。設(shè)計(jì)了以STC12C5A60S2 單片機(jī)為控制核心,簡(jiǎn)易的高頻開(kāi)關(guān)電源做500 V 測(cè)量電源,采用串聯(lián)法的絕緣電阻測(cè)試儀。給出了系統(tǒng)原理及軟硬件設(shè)計(jì)流程,通過(guò)試驗(yàn)表明,該測(cè)試儀具有穩(wěn)定的高壓輸出、測(cè)試誤差在5%以內(nèi)、操作簡(jiǎn)單以及成本低廉等優(yōu)點(diǎn)。
關(guān)鍵詞: 絕緣電阻;單片機(jī);開(kāi)關(guān)電源;串聯(lián)法
中圖分類號(hào):TM934.3 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):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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