The invention discloses an electric energy metering device, a charging controller, a charging pile and an electric leakage protection method thereof, and relates to the technical field of charging piles. The electric energy metering device comprises a metering circuit, an insulation detection circuit and an adhesion detection circuit. Wherein the sampling pin on at least one side of the adhesion detection circuit is correspondingly connected with the sampling pin, which is used for sampling at the same position, of another circuit; moreover, any two connected sampling pins are externally connected through the same interface on the electric energy metering device, so that the connected sampling pins can share the same sampling wire harness, thereby reducing the number of the sampling wire harnesses, and avoiding the problems of complex wiring and scattered and disordered wiring in the charging pile. In addition, a circuit breaker with an electric leakage protection function in the prior art can be omitted, an electric leakage threshold value for realizing electric leakage protection is set according to the current working condition of the charging pile, and mistaken tripping and electric shock protection are both considered.
本申请公开了一种电能计量装置、充电控制器和充电桩及其漏电保护方法,涉及充电桩技术领域;该电能计量装置,包括有计量电路、绝缘检测电路及粘连检测电路;其中,该粘连检测电路的至少一侧采样引脚,与其他另外一种电路对于相同位置进行采样的采样引脚对应相连;而且,任意两个相连的采样引脚,通过电能计量装置上的同一接口实现对外连接,使得相连的采样引脚可以共用同一根采样线束,进而减少了采样线束的数量,避免了接线复杂和充电桩内部布线分散杂乱的问题。另外,还可以取消现有技术中带漏电保护功能的断路器,并根据充电桩的当前工况设置实现漏电保护的漏电阈值,兼顾误跳闸和触电保护。
Electric energy metering device, charging controller, charging pile and electric leakage protection method thereof
一种电能计量装置、充电控制器和充电桩及其漏电保护方法
2024-10-18
Patent
Electronic Resource
Chinese
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