The invention provides an anti-reverse-connection and anti-backward-flow charging protection circuit, which comprises a control module, an anti-backward-flow module and a reverse-connection detectionmodule, and the control module comprises a first electric control switch and a second electric control switch, and the first electric control switch and the second electric control switch are connected in series in a charging loop and are located between a charging input positive electrode end and a charging output positive electrode end; the anti-backward-flow module comprises a voltage comparison circuit, the voltage comparison circuit collects and compares the voltage of the charging front end and the voltage of the charging rear end, and the control end of the voltage comparison circuit iselectrically connected with the control end of the first electric control switch and the control end of the second electric control switch. The acquisition end of the reverse connection detection module is electrically connected with the charging output positive electrode end, and the control end of the reverse connection detection module is electrically connected with the control ends of the first electric control switch and the second electric control switch. Reverse connection and backward flow prevention of the charging circuit are achieved through the control module, the backward flow prevention module and the reverse connection detection module, so that the charging circuit is protected, and the charging circuit is simple, low in cost and long in service life.

    本发明提供一种防反接防倒灌充电保护电路,包括控制模块、防倒灌模块和反接检测模块,控制模块包括第一电控开关和第二电控开关,第一电控开关和第二电控开关串联在充电回路中并位于充电输入正极端和充电输出正极端之间;防倒灌模块包括电压比较电路,该电压比较电路采集和比较充电前端的电压及充电后端的电压,电压比较电路的控制端与第一电控开关和第二电控开关的控制端电连接;反接检测模块的采集端与充电输出正极端电连接,反接检测模块的控制端与第一电控开关和第二电控开关的控制端电连接。通过控制模块、防倒灌模块和反接检测模块实现充电电路的防反接和防倒灌,从而保护该充电电路,本发明电路简单、成本低且使用寿命长。


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    Titel :

    Anti-reverse-connection and anti-backward-flow charging protection circuit


    Weitere Titelangaben:

    一种防反接防倒灌充电保护电路


    Beteiligte:
    SHEN MINCHANG (Autor:in) / SONG HAIFENG (Autor:in) / ZHANG ZHIFENG (Autor:in) / ZHANG YONG (Autor:in) / LI SHUPING (Autor:in) / LIU CHUNSHENG (Autor:in) / HU SHAOFANG (Autor:in) / SONG BO (Autor:in) / ZHANG JIASHAN (Autor:in) / XU SHUAIJIE (Autor:in)

    Erscheinungsdatum :

    2020-10-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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