The invention belongs to the technical field of pure electric vehicles, and discloses a battery water-cooling system which comprises a circulating water tank, a circulating water pump, a circulating water pipe, a cooling fan and a controller, a plurality of battery box bodies are connected through the circulating water pipe, and the circulating water pipe, the circulating water tank and the circulating water pump form a closed-loop system; a temperature sensor for detecting the temperature of circulating water is arranged at the circulating water inlet and outlet of the battery box body, the cooling fan is used for cooling the circulating water in the circulating water pipe, and the controller is used for receiving a battery temperature signal and a temperature signal of the temperature sensor at the circulating water inlet and outlet of the battery box body and controlling starting and stopping and the rotating speed of the circulating water pump and the cooling fan. Temperature sensors are arranged at a circulating water inlet and a circulating water outlet of a battery box body and used for detecting the temperature of circulating water at the circulating water inlet and the circulating water outlet of the battery box body, that is, the temperature sensors are arranged at key nodes, and starting, stopping and rotating speeds of a circulating water pump and a cooling fan are controlled by monitoring the water temperature and the water temperature change rate through multiple nodes; and the purpose of accurately controlling the water temperature is achieved.

    本申请属于纯电动汽车技术领域,公开了一种电池水冷系统,包括循环水箱、循环水泵、循环水管、散热风扇以及控制器,循环水管将多个电池箱体连接并与循环水箱、循环水泵形成闭环系统,电池箱体的循环水进出口处设置有检测循环水温度的温度传感器,散热风扇用于给循环水管内的循环水散热,控制器用于接收电池温度信号和电池箱体的循环水进出口处温度传感器温度信号,并控制循环水泵、散热风扇的启闭以及转速。通过在电池箱体的循环水进出口处设置温度传感器,用于检测电池箱体的循环水进出口处的循环水温度,即在各关键节点设置温度传感器,通过多节点监测水温及水温变化率来控制循环水泵、散热风扇的启闭以及转速,达到精准控制水温的目的。


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    Title :

    Battery water cooling system, control method and automobile


    Additional title:

    一种电池水冷系统、控制方法及汽车


    Contributors:
    AN SHUDE (author) / WEI JIXIONG (author) / WU DEYANG (author)

    Publication date :

    2022-11-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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