According to a preferred embodiment of the present invention, a wired and wireless combined vehicle-mounted charging device comprises: a wired receiving unit for receiving a first alternating current (AC) voltage from a wired external power source; a wireless receiving unit which receives a second AC voltage from an external power source connected wirelessly; a power factor correction (PFC) circuit unit for converting the first AC voltage or the second AC voltage into a direct current (DC) voltage; and a converter circuit unit for implementing an LLC converter circuit that transforms the first DC voltage converted from the first AC voltage into a battery charging voltage according to a wired charging mode, and implementing a buck-boost converter circuit that transforms the second DC voltage converted from the second AC voltage to be suitable for the battery charging according to a wireless charging mode.
본 발명의 바람직한 실시예에 따른 유무선 겸용 차량 탑재형 충전 장치는, 유선 연결된 외부 전원으로부터 제1 교류전압을 전달받는 유선수신부, 무선 연결된 외부 전원으로부터 제2 교류전압을 전달받는 무선수신부, 상기 제1 교류전압 또는 상기 제2 교류전압을 직류전압으로 변환하는 PFC 회로부, 및 유선충전모드에 따라 상기 제1 교류전압으로부터 변환된 제1 직류전압을 배터리 충전 전압으로 변압하는 LLC 컨버터 회로를 구현하고, 무선충전모드에 따라 상기 제2 교류전압으로부터 변환된 제2 직류전압을 배터리 충전에 적합하게 변압하는 승강압 컨버터 회로를 구현하도록 구성되는 컨버터 회로부를 포함한다.
WIRED/WIRELESS COMBINED ON BOARD CHARGING APPARATUS AND BATTERY CHARGING METHOD USING THE SAME
유무선 겸용 차량 탑재형 충전 장치 및 이를 이용한 배터리 충전 방법
2021-04-02
Patent
Electronic Resource
Korean
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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