在线电阻测量技术及其应用  

Techniques of Online Resistance Measurement and Its Application

作　　者：李世文[1] 

机构地区：[1]攀枝花学院电气信息工程学院,四川攀枝花617000

出　　处：《兵工自动化》2006年第8期78-78,80,共2页Ordnance Industry Automation

摘　　要：在线电阻测量技术,在任何情况下均将与RX相并联的元件等效为两只互相串联的电阻R1和R2,由此构成三角形电阻网络。R1或R2两端呈等电位,即R1和R2不起分流作用。只要用数字电压表测出UX两端的压降,就能求出RX值。利用在线测量技术测量电子设备印制线路中的电阻的阻值,结果证明可行。The online resistance measurement technology always took the parallel elements of Rx were equal to resistance R~ and R2 which connected with each other; so, the triangle resistance network was established. The two ends of R1 or R2 were equipotential, that is, the R1 and R2 were not used to divide the stream. If the digital voltmeter could measure the pressure drop of Ux, then the Rx could be calculated. The online measurement technology was used to measure the resistance in the electronic equipments printed circuit; the results showed the technology was practical.

关 键 词：电阻测量 三角形电阻网络 在线测量 

分 类 号：TP206.1[自动化与计算机技术—检测技术与自动化装置]