The present invention relates to a charging circuit of an electric vehicle, which comprises: high voltage battery part (10) in which a plurality of unit high voltage batteries (10-1 to 10-n) are connected in series; a plurality of low voltage charging parts (20-1 to 20-n) charging a low voltage battery part (30) by lowering the current of the plurality of unit high voltage batteries (10-1 to 10-n) respectively, and connected in parallel to the low voltage battery part (30); and a plurality of current equalizing parts (40-1 to 40-m, m = n-1) for equalizing output currents of two adjacent low voltage charging parts among the plurality of low voltage charging parts (20-1 to 20-n).
본 발명은 전기 자동차의 충전 회로에 관한 것으로, 다수의 단위 고전압 배터리(10-1~10-n)가 직렬연결된 고전압 배터리부(10)와, 상기 다수의 단위 고전압 배터리(10-1~10-n)의 전류를 각각 낮춰 저전압 배터리부(30)를 충전하되, 저전압 배터리부(30)에 대하여 병렬연결되는 다수의 저전압 충전부(20-1~20-n)와, 상기 다수의 저전압 충전부(20-1~20-n) 중 인접한 두 저전압 충전부들의 출력전류를 균등하게 하는 다수의 전류 균등부(40-1~40-m, m=n-1)를 포함한다.
Charging circuit for electric vehicle
전기 자동차의 충전 회로
2019-12-31
Patent
Electronic Resource
Korean
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
Electric vehicle pre-charging circuit board and charging circuit
European Patent Office | 2020
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