Reliable turn-off circuit of electronic switch power device

Reliable turn-off circuit of electronic switch power device

The utility model relates to a reliable turn-off circuit of an electronic switch power device. The reliable turn-off circuit comprises a control switch unit, a voltage stabilization unit, a delay unit, an isolation optocoupler unit, a crystal switch unit, a power device switch unit and a central pro...

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Hauptverfasser: WEI MINHUI, ZHANG ZHENG, LIN SHAOQING
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
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creator WEI MINHUI
ZHANG ZHENG
LIN SHAOQING
description The utility model relates to a reliable turn-off circuit of an electronic switch power device. The reliable turn-off circuit comprises a control switch unit, a voltage stabilization unit, a delay unit, an isolation optocoupler unit, a crystal switch unit, a power device switch unit and a central processor. The control switch unit is connected with the power supply battery and the voltage stabilizing unit. The isolation optocoupler unit is respectively connected with the voltage stabilizing unit and the input control end of the crystal switch unit; the output end of the crystal switch unit is connected with the input control end of the power device switch unit; an output control pin of the central processing unit is connected with an input control end of the power device switch unit; the other end of the control switch unit is also connected with the delay unit; the output end of the delay unit is connected with the input control end of the crystal switch unit; and the output end of the delay unit also supplie
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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
title Reliable turn-off circuit of electronic switch power device
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