The invention discloses an intelligent circuit breaking unit control circuit for a new energy vehicle battery pack. The battery pack is connected with a circuit breaker coil, the circuit breaker coil is connected with a copper bar in parallel, the other end of the circuit breaker coil is connected to a relay switch end, the other end of the relay switch end is connected with a current sensor resistor in series, and the other end of the current sensor is connected with a battery output interface, a fast charging interface and a slow charging interface; the circuit 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, 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 battery output interface, the fast charging interface and the slow charging interface together. The main control unit is connected with an IGBT/MOSFET drive circuit which is connected with the control end of the first IGBT and the control end of the second IGBT.
新能源车电池包智能断路单元控制电路,包括;主控单元和电池包,电池包连接有断路器线圈,断路器线圈并联有铜排,断路器线圈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,电流传感器另一端共接有电池输出接口、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的导通端亦共接在电池输出接口、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。
New energy vehicle battery pack intelligent circuit breaking unit control circuit
新能源车电池包智能断路单元控制电路
2022-12-23
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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