Circuit for automatically realizing rapid discharge of filter capacitor of alternating-current voltage detection loop

The utility model provides a circuit capable of automatically realizing rapid discharge of a filter capacitor of an alternating-current voltage detection loop. The alternating-current voltage detection loop comprises a voltage reduction module, a rectification module, a filter module and a photoelec...

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Bibliographische Detailangaben
Hauptverfasser: YANG YEFEI, YAN WENBO, QI YONGWEI, QI XIAOHAN, YUE WENKAI, HANG SHUAINAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Zusammenfassung:The utility model provides a circuit capable of automatically realizing rapid discharge of a filter capacitor of an alternating-current voltage detection loop. The alternating-current voltage detection loop comprises a voltage reduction module, a rectification module, a filter module and a photoelectric isolation module. The circuit for automatically realizing rapid discharge of the filter capacitor of the AC voltage detection loop further comprises a filter capacitor rapid discharge module which is connected between the rectification module and the filter module. 本实用新型提供了一种自动实现交流电压检测回路滤波电容快速泄放的电路,所述交流电压检测回路包括降压模块、整流模块、滤波模块、光电隔离模块;所述的自动实现交流电压检测回路滤波电容快速泄放的电路,还包括滤波电容快速泄放模块,所述的滤波电容快速泄放模块连接在整流模块与滤波模块之间。