The invention provides a cooling device for an electric motor, which can spray a refrigerant sprayed from above the electric motor to an appropriate part of a stator coil of the electric motor regardless of the change of the vehicle behavior during the running of the vehicle. The discharge hole formed in the cooling pipe is configured so that the discharge direction of the refrigerant can be adjusted in accordance with the flow rate of the refrigerant, and the flow rate of the refrigerant supplied to the cooling pipe is changed on the basis of acceleration information (forward and backward acceleration, leftward and rightward acceleration, and upward and downward acceleration) of the vehicle. Therefore, by appropriately adjusting the flow rate of the refrigerant on the basis of the acceleration information, the discharge direction of the refrigerant can be always maintained in an appropriate state regardless of changes in the behavior of the vehicle, and the refrigerant can be sprayed to an appropriate range of the stator coil.
本发明提供不管车辆行驶中的车辆行为的变化如何都能够将从电动机的上方喷出的制冷剂向电动机的定子线圈的适当的部位喷洒的电动机的冷却装置。由于形成于冷却管的喷出孔构成为能够根据制冷剂的流量而调整制冷剂的喷出方向,基于车辆的加速度信息(前后加速度、左右加速度、上下加速度)来变更向冷却管供给的制冷剂的流量,所以通过根据加速度信息而适当地调整制冷剂的流量,不管车辆行为的变化如何,都能够将制冷剂的喷出方向始终维持为适当的状态,将制冷剂向定子线圈的适当的范围喷洒。
Cooling device for motor
电动机的冷却装置
2023-09-22
Patent
Electronic Resource
Chinese