The invention provides a thermal management system and method of an electric tractor. A thermal management system of an electric tractor comprises a water tank, a first water pump, a four-way valve, a first motor, a second motor, a third motor, a fourth motor, a first controller, a second controller, a power distribution device, a three-way valve, a cooling liquid mixing valve, a battery pack loop and a cooling unit loop. The four-way valve is connected with the second controller, the first controller and the power distribution device, the first controller is connected with the second motor, the second motor is connected with the third motor, the second controller is connected with the first motor, the power distribution device is connected with the fourth motor, and the first motor, the third motor and the fourth motor are all connected with the three-way valve. The three-way valve is connected with the water tank, the cooling liquid mixing valve and the battery pack loop, and the cooling unit loop is connected with the battery pack loop.
本发明提供了一种电动拖拉机的热管理系统以及方法。一种电动拖拉机的热管理系统包括:水箱、第一水泵、四通阀、第一电机、第二电机、第三电机、第四电机、第一控制器、第二控制器、电源分配设备、三通阀、冷却液混合阀、电池包回路以及冷却机组回路,水箱与第一水泵连接,第一水泵与四通阀连接,四通阀分别与第二控制器、第一控制器以及电源分配设备连接,第一控制器与第二电机连接,第二电机与第三电机连接,第二控制器与第一电机连接,电源分配设备与第四电机连接,第一电机、第三电机以及第四电机均与三通阀连接,三通阀与水箱连接,三通阀与冷却液混合阀连接,三通阀与电池包回路连接,冷却机组回路与电池包回路连接。
Thermal management system and method of electric tractor
一种电动拖拉机的热管理系统以及方法
30.05.2023
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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 / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES |
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