The invention discloses an intelligent high-voltage power distribution unit control circuit of a new energy vehicle. The main control unit is integrated by an MCU (Microprogrammed Control Unit) program control unit and a BMS (Battery Management System); the battery pack is connected with a circuit breaker coil L1, the circuit breaker coil L1 is connected with a copper bar in parallel, the other end of the circuit breaker coil L1 is connected to a relay switch end, the other end of the relay switch end is connected with a current sensor resistor R in series, or a perforated isolation current sensor is selected, and the other ends of the current sensors are jointly connected with a fast charging interface and a slow charging interface; the circuit breaker further comprises a first IGBT and a second IGBT, one end of the conduction end of the first IGBT is connected with the circuit breaker coil L1, the other end of the conduction end of the first IGBT is connected with the conduction end of the second IGBT, and the conduction end of the second IGBT is connected to the fast charging interface and the slow charging interface; the main control unit is connected with an IGBT/MOSFET drive circuit which is connected with the control ends of the first IGBT and the second IGBT, and the main control unit is connected with the coil end of the relay.
新能源车智能高压配电单元控制电路,包括;由MCU程序控制单元以及BMS电池管理系统集成的主控单元;还包括电池包,电池包连接有断路器线圈L1,断路器线圈L1并联有铜排,断路器线圈L1的另一端连接在继电器开关端上,继电器开关端的另一端串联电流传感器电阻R,或选择穿孔隔离电流传感器,电流传感器另一端共接有快充接口以及慢充接口;还包括第一IGBT以及第二IGBT,第一IGBT的导通端一端与断路器线圈L1连接,另一端与第二IGBT的导通端连接,第二IGBT的导通端亦共接在快充接口以及慢充接口上;主控单元连接有IGBT/MOSFET驱动电路,其与第一IGBT以及第二IGBT的控制端连接,主控单元与继电器的线圈端连接。
Intelligent high-voltage power distribution unit control circuit of new energy vehicle
新能源车智能高压配电单元控制电路
2023-02-03
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
New energy vehicle battery pack intelligent circuit breaking unit control circuit
European Patent Office | 2022
|Power distribution circuit of electronic control unit and vehicle controller
European Patent Office | 2024
|