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Liquid-cooled motor and electric vehicle

A technology of liquid-cooled motors and motor housings, which is applied in the direction of electric vehicles, motors, and electric components, and can solve the problems of complex connections between liquid-cooled motors and related liquid-cooled devices, so as to improve life, reduce complexity, reduce The effect of working line speed

Pending Publication Date: 2019-12-20
HENAN SENYUAN HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a liquid-cooled motor, which is used to solve the problem that the connection between the liquid-cooled motor and related liquid-cooled devices in the prior art is relatively complicated; the present invention also provides an electric vehicle using the above-mentioned liquid-cooled motor

Method used

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  • Liquid-cooled motor and electric vehicle
  • Liquid-cooled motor and electric vehicle

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Embodiment Construction

[0045] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0046] Embodiments of the liquid-cooled motor provided by the present invention:

[0047] Such as figure 1 As shown, the liquid-cooled motor includes a motor housing, a rotating shaft 6, a rotor 7, and a stator 5, wherein the motor housing includes a peripheral housing 1 located on the axial side of the rotating shaft 6, and a housing fixed to the peripheral housing 1. The front end cover 2 of the front end, the rear end cover 3 fixed on the rear end of the peripheral housing 1, and the water shell 4 fixed on the rear side of the rear end cover 3, the front end of the rotating shaft 6 is mounted on the front end cover 2 through bearing rotation, and the rear end Rotatingly installed on the rear end cover 3 through bearings, the rotor 7 is fixed on the rotating shaft 6 and rotates with the rotating shaft 6 , and the stator 5 is fixed on the ...

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Abstract

The invention relates to the technical field of cooling of motors, in particular to a liquid-cooled motor and an electric vehicle. The electric vehicle comprises a chassis, a power cabin, the liquid-cooled motor and a liquid-cooling device, wherein the liquid-cooled motor comprises a motor shell, a rotating shaft and a core tube; a cooling runner through which a cooling medium flows is arranged onthe motor shell and comprises an inlet end runner and an outlet end runner; the rotating shaft is rotationally assembled on the motor shell and is a semi-hollow shaft; an opening of a hollow cavity of the rotating shaft is backward; an inner cavity of the core tube is tightly connected with the inlet end runner; a hollow cavity outside the tube communicates with the outlet end runner; the inner cavity of the core tube communicates with the hollow cavity outside the tube; the rotating shaft is in sealing fit with the motor shell at an inlet of the outlet end runner; and when the electric vehicle is used, the cooling medium flows through the inlet end runner, the inner cavity of the core tube, the hollow cavity outside the tube and the outlet end runner in sequence and then flows out of theliquid-cooled motor. The electric vehicle is used for solving the problem that connection of the liquid-cooled motor of the electric vehicle and the liquid-cooling device is relatively complicated inthe prior art.

Description

technical field [0001] The invention relates to the technical field of motor cooling, in particular to a liquid-cooled motor and an electric vehicle. Background technique [0002] Electric vehicles need to be driven by motors. The motors generate more heat during operation. In order to increase the power density of the motors, improve the efficiency of the motors, and reduce the energy consumption of the motors, it is usually necessary to cool the motors. [0003] The invention patent application document with the application publication number CN107457606A records an internal and external cooling structure of the electric spindle of a high-speed asynchronous motor, which can cool the motor. The shaft core of the electric spindle in this document is processed with an internal cooling inflow channel and an internal cooling return channel, the internal cooling inflow channel and the internal cooling return channel are connected inside the shaft core, and an external annular co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K9/197H02K5/20H02K7/00B60K1/00
CPCB60K1/00B60K2001/006H02K5/20H02K7/003H02K9/197Y02T10/64
Inventor 翟秀果李毅拓
Owner HENAN SENYUAN HEAVY IND
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