The invention discloses a safety protection system for electric vehicle charging. The safety protection system comprises an overvoltage sensor, an overcurrent sensor, a timer, a PLC working module, a relay, a buzzer and two temperature sensors. The beneficial effects of the invention are that the system is provided with the overvoltage sensor, the overcurrent sensor, the temperature sensor and the timer, carries out the real-time monitoring of the charging process from the aspects of the interior of the circuit, temperature induction and charging time, gives an alarm through the buzzer, is accurate in monitoring, is rapid in response, and greatly improves the safety protection performance.

    本发明公开了一种电动车充电用安全保护系统,包括有过压传感器、过流传感器、定时器、PLC工作模块、继电器、蜂鸣器和两个温度传感器。有益效果在于:本发明设有过压传感器、过流传感器、温度传感器和定时器,来从电路内部、温度感应和充电时间方面来对充电过程进行实时监控,并通过蜂鸣器进行报警,监测准确且反应迅速,大大提高了安全防护性能。


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    Title :

    Safety protection system for electric vehicle charging


    Additional title:

    一种电动车充电用安全保护系统


    Contributors:
    JIA FENGHUA (author)

    Publication date :

    2022-07-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein



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