The invention discloses an electric leakage detection device, an electric leakage detection method and automobile charging equipment. The device comprises a target resistor which is connected between two power transmission lines, and the two power transmission lines are used for transmitting electric quantity output by charging equipment to a load; the first sensing circuit is used for sensing a first current flowing through the target resistor; the second sensing circuit is used for sensing target voltage at two ends of the target resistor; and the controller is connected with the first induction circuit and the second induction circuit and is used for determining a second current flowing through the target resistor based on the target voltage and obtaining an electric leakage detection result based on the first current and the second current. The technical problem that the risk of failure of the leakage protection function of the charging equipment in the prior art is large is solved.
本发明公开了一种漏电检测装置、漏电检测方法和汽车充电设备。其中,该装置包括:目标电阻,连接在两条输电线之间,两条输电线用于将充电设备输出的电量传输至负载;第一感应电路,用于感应流经目标电阻的第一电流;第二感应电路,用于感应目标电阻两端的目标电压;控制器,与第一感应电路和第二感应电路连接,用于基于目标电压,确定流经目标电阻的第二电流,并基于第一电流和第二电流,得到漏电检测结果。本发明解决了相关技术中充电设备的漏电保护功能失效的风险较大的技术问题。
Electric leakage detection device, electric leakage detection method and automobile charging equipment
漏电检测装置、漏电检测方法和汽车充电设备
2022-07-22
Patent
Elektronische Ressource
Chinesisch
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