The invention discloses an automobile auxiliary power supply management system and a control method. The system comprises a battery pack, a DCDC converter, a low-voltage storage battery and a VCU, wherein the battery pack is connected with the low-voltage storage battery through the DCDC converter, the VCU is connected with the control end of the DCDC converter, the output end of the DCDC converter is connected with the current sensor in series, the output end of the current sensor is connected with the VCU, and the output end of the VCU is connected with a fault alarm module. The current sensor is additionally arranged in the system, current faults in the DCDC working process can be alarmed, and the dcdc charging safety management of the whole vehicle is improved.
本发明公开了一种汽车辅助电源管理系统及控制方法,其中系统包括电池包、DCDC转换器、低压蓄电池、VCU,所述电池包通过DCDC转换器连接低压蓄电池,所述VCU连接DCDC转换器的控制端,所述DCDC转换器的输出端串接设置电流传感器,所述电流传感器的输出端连接VCU,所述VCU输出端连接故障报警模块。本发明通过对系统增加的电流传感器可以实现对于DCDC工作过程中的电流故障进行报警,提高整车dcdc充电安全管理。
Automobile auxiliary power supply management system and control method
一种汽车辅助电源管理系统及控制方法
01.12.2020
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / 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 / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
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