A relay device according to an embodiment of the present invention comprises: a relay unit in which a switch operates according to a voltage applied to a coil; a first control unit that controls a voltage applied to the coil by turning on and off a first switching element according to a first control signal; a first discharge unit and a second discharge unit that discharge 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 the back electromotive force to be discharged through the first discharge unit or the second discharge unit by turning on and off the switching element according to a second control signal.
Dispositif de relais qui, selon un mode de réalisation de la présente invention, comprend : une unité de relais dans laquelle un commutateur fonctionne selon une tension appliquée à une bobine ; une première unité de commande qui commande une tension appliquée à la bobine par mise en marche et arrêt d'un premier élément de commutation selon un premier signal de commande ; une première unité de décharge et une seconde unité de décharge qui déchargent une force contre-électromotrice générée dans la bobine lorsque l'unité de relais est éteinte ; et une seconde unité de commande comprenant un second élément de commutation, et commandant la force contre-électromotrice devant être déchargée par l'intermédiaire de la première unité de décharge ou de la seconde unité de décharge par mise en marche et arrêt de l'élément de commutation selon un second signal de commande.
본 발명의 실시예에 따른 릴리에 장치는 코일에 인가되는 전압 크기에 따라 스위치가 동작하는 릴레이부; 제1 제어 신호에 따라 제1 스위칭 소자를 온오프시켜 상기 코일에 인가되는 전압을 제어하는 제1 제어부; 상기 릴레이부의 턴오프(turn off)시 상기 코일에 발생하는 역기전력을 방전시키는 제1 방전부; 및 제2 방전부; 그리고 제2 스위칭 소자를 포함하고, 제2 제어 신호에 따라 상기 스위칭 소자를 온오프시켜 상기 제1 방전부 또는 제2 방전부를 통해 상기 역기전력이 방전되도록 제어하는 제2 제어부;를 포함한다.
RELAY DEVICE AND ELECTRIC VEHICLE CHARGING CONTROLLER COMPRISING SAME
DISPOSITIF DE RELAIS ET DISPOSITIF DE COMMANDE DE CHARGE DE VÉHICULE ÉLECTRIQUE COMPRENANT CELUI-CI
릴레이 장치 및 이를 포함하는 전기 자동차 충전 컨트롤러
2021-08-19
Patent
Electronic Resource
Korean
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