摘要
在电冰箱的电气系统中常用正温度系数热敏电阻(PTC)元件作为无触点启动开关,以取代传统的单臂式或重力式电磁启动开关,为了鉴定此种热敏电阻的性能,通常要测量它的启动时间t_s及残余电I_(60(p—p)),本文阐述了为此目的而设计的由TP801A单板计算机构成的自动测量系统的硬件组成及软件。
In stead of single-arm or weight-force types of electromagnetic switches thermistor of posit ive temperature.factor is cften used in the electrical system of a refrigerator. Its time of start and remnant Current must be measured for the appraisal of the characteristics of the thermistor. The assembly of hardwares of the automatic measurement system which consists of TP801 Single-boad-Computer and its Software are designed for this purpose and described in the paper.
关键词
瞬态特性
测量
热敏元件
Transient characteristics, measurement, Thermistor.
