The invention relates to the field of high-voltage electrical systems, in particular to a high-voltage electrical framework of a new energy automobile, which comprises a power battery, a fast charging interface, a motor interface, an air conditioner interface, a PTC interface, an OBC/DCDC integrated vehicle-mounted charger, an MCU module, an air conditioner and a PTC heater, the positive electrode of the power battery is connected with one end of the KM3 main contactor, the other end of the KM3 main contactor is connected with the MCU module, the other end of the MCU module is connected with the negative electrode of the power battery, the discharge circuit comprises a PTC interface, a KM5PTC contactor and an F5 fuse, one end of the KM5PTC contactor is connected with the positive electrode of the battery, the other end of the KM5PTC contactor is connected with the negative electrode of the battery, and the F5 fuse is connected with the positive electrode of the battery. An F5 fuse is arranged between the KM5 PTC contactor and the PTC interface, the air conditioner circuit comprises an air conditioner interface, one end of the air conditioner interface is connected with the positive electrode of the power battery, the other end of the air conditioner interface is connected with the negative electrode of the power battery, and the problems that during charging at the present stage, the whole high-voltage loop of the whole vehicle needs to be closed, high-voltage line loss exists, and the charging efficiency is reduced are solved.
本发明涉及高压电气系统领域,具体涉及一种新能源汽车高压电气架构,动力电池、快充接口、电机接口、空调接口和PTC接口、OBC/DCDC一体化车载充电器和MCU模块,还包括有空调和PTC加热器;动力电池正极连接KM3主接触器的一端,KM3主接触器的另一端连接有MCU模块,MCU模块的另一端与动力电池负极相连接,还包括有放电回路,放电回路包括PTC接口,KM5PTC接触器和F5熔断器,KM5PTC接触器一端与电池正极相连,另一端与电池负极相连,在KM5PTC接触器和PTC接口之间设有F5熔断器,空调电路中包括有空调接口,空调接口的一端与动力电池正极相连,另一端与动力电池负极相连,解决了现阶段充电时,需要闭合整车整个高压回路,存在较大的高压线路损耗,降低充电效率的问题。
New energy automobile high-voltage electrical architecture
一种新能源汽车高压电气架构
2023-09-19
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
High-voltage architecture new energy automobile system and control method
European Patent Office | 2023
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