The invention relates to the technical field of new energy automobile power supplies and a novel power supply system of a new energy automobile and a power supply method of the new energy automobile.The novel power supply system comprises an automobile high-voltage system, an automobile low-voltage system and a battery management module; the power supply system further comprises a power battery,a DC/DC converter, a high-voltage relay and a low-voltage relay; the DC/DC converter and the high-voltage relay are electrically connected with the power battery; the DC/DC converter is connected withthe low-voltage relay in series; the high-voltage relay is electrically connected with the automobile high-voltage system; the high-voltage relay is electrically connected with the automobile high-voltage system; the DC/DC converter is electrically connected with the battery management module; The high-voltage and low-voltage power supplies needed by the whole automobile are directly provided bythe power battery, an auxiliary storage battery does not need to be additionally arranged, the complexity of development and design of the whole automobile and the production cost of the automobile are reduced, standby power consumption can be reduced, an external low-voltage circuit is protected through the DC/DC converter, and over-discharge of the power battery is prevented.
本发明涉及新能源汽车电源技术领域,具体是一种新能源汽车的新型电源供电系统及其供电方法,包括有汽车高压系统、汽车低压系统和电池管理模块,所述供电系统还包括有动力电池、DC/DC变换器、高压继电器和低压继电器,所述DC/DC变换器和高压继电器均与动力电池电性连接,所述DC/DC变换器与低压继电器串联连接,所述高压继电器与汽车高压系统电性连接,所述高压继电器与汽车高压系统电性连接,所述DC/DC变换器与电池管理模块电性连接,本发明直接由动力电池提供整车需要的高压和低压供电电源,无需额外增加辅助蓄电池,降低了整车的开发设计的复杂度与车辆生产成本,可以降低待机功耗,通过DC/DC变换器保护外部低压线路,防止动力电池电池过放。
Novel power supply system of new energy automobile and power supply method of new energy automobile
一种新能源汽车的新型电源供电系统及其供电方法
2020-09-15
Patent
Elektronische Ressource
Chinesisch
New energy automobile power supply system and new energy automobile
Europäisches Patentamt | 2023
|Europäisches Patentamt | 2024
|