文献类型：专利

英文题名：High-stability power supply parameter detecting device, has signal collecting circuit whose output end is connected with input end of feedback control circuit, where output end of feedback control circuit is connected with drive circuit

作者：ZHU Z;LIU Q;ZHU R

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN206990775-U

申请日：2017-08-02

公开日：2018-02-09

语种：英文

收录：DERWENT

摘要：NOVELTY - The utility model claims a high-stability power supply parameter detecting device, belonging to the device field of power detection, power reference detecting device comprises an embedded controller, a signal collecting circuit, a drive circuit, a power circuit and a feedback control circuit; the current sampling end of the signal acquisition circuit electrically connected with the first signal input end of the embedded controller by a first isolation amplifying circuit, a voltage sampling end of the signal collecting circuit is electrically connected with the second signal input end of the embedded controller through a second isolating amplifying circuit; the PWM signal output end of the embedded controller is electrically connected with the signal input end of the driving circuit by an optical coupling isolation circuit and a filter circuit. The utility model claims a high stability power supply parameter detecting device, the current and voltage measuring isolation amplifier, can realize constant voltage, constant current, constant resistance and constant-power four detecting modes, and the feedback circuit and adjusting, it has high precision and stability.