The invention is applicable to the technical field of power supplies, and provides a vehicle-mounted dual-power supply system, which comprises a first isolating switch, a second isolating switch, a battery module, a load output module and a battery management system, wherein the first end of the first isolating switch is connected with a direct current converter corresponding to a vehicle-mountedhigh-voltage power supply, the second end of the first isolating switch is connected with the load output module and the first end of the second isolating switch, and the second end of the second isolating switch is connected with the battery module. According to the dual-power supply device provided by the invention, the working states of the direct current converter and the battery module are monitored through the battery management system; and when the fault of the direct current converter or the battery module is monitored, the corresponding isolating switch is switched off, so that the problem of potential safety hazards of the whole vehicle caused by the fault of individual parts is solved, and the safety of the vehicle during high-speed running is ensured.
本发明适用于电源技术领域,提供了一种车载双电源供电系统,包括:第一隔离开关、第二隔离开关、电池模组、负载输出模块和电池管理系统;所述第一隔离开关的第一端与车载高压电源对应的直流转换器连接,所述第一隔离开关的第二端分别与所述负载输出模块和所述第二隔离开关的第一端连接,所述第二隔离开关的第二端连接所述电池模组。本申请提供的双电源供电装置通过电池管理系统监测直流转换器、电池模组的工作状态,并在监测到直流转换器或电池模组故障时,断开对应的隔离开关,从而解决因个别零件故障而引起的整车安全隐患的问题,保证车辆在高速运行时的安全性。
Vehicle-mounted dual-power supply system
一种车载双电源供电系统
2020-12-01
Patent
Elektronische Ressource
Chinesisch
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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