A relay device according to an embodiment of the present invention comprises: a relay unit in which a switch operates in accordance with a voltage applied to a coil; a first control unit that controls a voltage applied to the coil by turning on and off the first switching element in accordance with a first control signal; a first discharge unit and a second discharge unit that release a back electromotive force generated in the coil when the relay unit is turned off; and a second control unit including a second switching element, and controlling discharge of the back electromotive force through the first discharge unit or the second discharge unit by turning on and off the switching element according to a second control signal.
根据本发明的实施方式的继电器装置包括:继电器单元,在该继电器单元中,开关根据向线圈施加的电压来操作;第一控制单元,其通过根据第一控制信号接通和断开第一开关元件来控制向线圈施加的电压;第一放电单元和第二放电单元,其释放在继电器单元断开时在线圈中产生的反电动势;第二控制单元,其包括第二开关元件,并且通过根据第二控制信号接通和断开开关元件,控制反电动势通过第一放电单元或者第二放电单元释放。
RELAY DEVICE AND ELECTRIC VEHICLE CHARGE CONTROLLER INCLUDING THE SAME
继电器装置及包括该继电器装置的电动车辆充电控制器
2022-09-23
Patent
Electronic Resource
Chinese
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