Motor cooling system, electric drive assembly and vehicle

Abstract

The utility model provides a motor cooling system, an electric drive assembly and a vehicle, and the motor cooling system comprises a tubular housing which is provided with a plurality of cooling channels; the first end cover is connected to one end of the tubular shell in a sealed mode, a plurality of first steering grooves are formed in the first end cover, and every two adjacent cooling flow channels communicate with each other through the corresponding first steering groove to form a cooling flow channel set; the second end cover is connected to the other end of the tubular shell in a sealed mode, a plurality of second steering grooves are formed in the second end cover, and the second steering grooves communicate with the two adjacent cooling flow channel sets; wherein one of the first steering grooves is provided with a liquid inlet, one of the second steering grooves is provided with a liquid outlet, and the areas of the cross sections of the cooling flow channels are sequentially reduced in the circumferential direction from the liquid inlet to the liquid outlet. The heat dissipation effect of the motor cooling system can be improved, and the heat dissipation requirement of the electric drive assembly is met.

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