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Hub motor winding capable of dissipating heat easily

A technology for in-wheel motors and windings, which is applied to the shape/style/structure of electrical components, winding conductors, electrical components, etc., can solve the problems of long heat conduction path, low heat dissipation efficiency of motors, and many types of materials, and achieves improved power and rotation. moment effect

Pending Publication Date: 2022-01-04
NANJING CHERVON AUTOMOBILE PRECISION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional motor heat dissipation methods include air cooling, water cooling or oil cooling. Among them, the heat conduction path of air cooling is: winding - insulating material - iron core - casing - wind; the heat conduction path of water cooling is: winding - insulating material ——iron core—casing—water; the heat conduction path of oil cooling is: winding—insulating material—core—oil; in summary, it can be seen that the heat conduction path of the traditional motor cooling method is long and there are many types of materials. Motor cooling efficiency is low

Method used

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  • Hub motor winding capable of dissipating heat easily
  • Hub motor winding capable of dissipating heat easily
  • Hub motor winding capable of dissipating heat easily

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Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] see Figure 1-3 , this embodiment provides a wheel hub motor winding that is easy to dissipate heat, including a winding body 10, the winding body 10 is bent into multiple layers along itself, and a cooling liquid channel 11 is opened inside the winding body 10, and the cooling liquid channel 11 runs along the length of the winding body The direction runs through both ends of the winding body. One of the two ends of the winding body 10 is the cooling liquid inlet 12 , and the other end is the cooling liquid outlet 13 .

[0015] Specifically, the winding body 10 is bent into a rectangular structure with an inner bending angle and an outer bending angle formed at the bending position. Preferably, the radius of the inner bending angle R is greater than half of the width W of the winding body one.

[0016] Specifically, the cooli...

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Abstract

The invention discloses a hub motor winding capable of dissipating heat easily, which comprises a winding body, the winding body is bent into a plurality of layers along the winding body, a cooling liquid channel is arranged in the winding, the cooling liquid channel penetrates through two ends of the winding body along the length direction of the winding body, one end of the winding body is a cooling liquid inlet, and the other end is a cooling liquid outlet. The cooling liquid is introduced into the hollow interior of the winding, heat generated by electrifying the winding is directly transferred by the cooling liquid, a conduction path does not pass through other materials, and the power and the torque of the motor are greatly improved.

Description

technical field [0001] The invention relates to the technical field of motor heat dissipation, in particular to a hub motor winding that is easy to dissipate heat. Background technique [0002] In recent years, with the continuous iterative development of automotive motor technology, in-wheel motors, as a typical product of the distributed drive technology route, are increasingly used in automobiles. However, the internal space of the hub is small, and the hub motor has problems such as poor heat dissipation conditions and large components. Traditional motor heat dissipation methods include air cooling, water cooling or oil cooling. Among them, the heat conduction path of air cooling is: winding - insulating material - iron core - casing - wind; the heat conduction path of water cooling is: winding - insulating material ——iron core—casing—water; the heat conduction path of oil cooling is: winding—insulating material—core—oil; in summary, it can be seen that the heat conduct...

Claims

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Application Information

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IPC IPC(8): H02K3/24H02K9/19
CPCH02K3/24H02K9/19
Inventor 蔡军菲李长林孙建峰邓凌曲
Owner NANJING CHERVON AUTOMOBILE PRECISION TECH CO LTD
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