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Motor and internal cooling structure thereof

A technology of internal cooling and cooling pipes, applied in the direction of magnetic circuit shape/style/structure, magnetic circuit static parts, etc., can solve the problems of low-cost production, complex cooling structure, and unfavorable batch production, and achieve low leakage risk, High cooling efficiency and simple installation

Inactive Publication Date: 2019-10-08
ZHEJIANG SHENGTAI DEFENSE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cooling structure disclosed in the document is complicated, and the manufacturing process of the cooling channel is complicated, which is not conducive to mass production at low cost

Method used

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  • Motor and internal cooling structure thereof
  • Motor and internal cooling structure thereof
  • Motor and internal cooling structure thereof

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the embodiments and accompanying drawings.

[0019] see Figure 1-Figure 4 , a motor and its internal cooling structure, which includes a stator core 1, a winding, a cooling pipe 2 coiled between the stator core 1 and the winding, and the cooling pipe 2 conducts heat directly to the stator core 1 and the winding.

[0020] see image 3 and Figure 4 , the stator core 1 is provided with a wire embedding groove 3, and the cooling pipe 2 is coiled radially and axially along the wire embedding groove 3 to form a cooling circuit.

[0021] see image 3 and Figure 4 , the stator core 1 is provided with a wire slot 3, and the cooling pipe 2 is pre-made in the same shape as the wire slot 3, and the cooling pipe 2 is fixed in the wire slot 3 Inside.

[0022] see image 3 , the cooling pipe 2 is one or two or more.

[0023] The cooling pipe 2 is a square structure.

[0024] The cooling pipe 2 is an ...

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PUM

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Abstract

A motor and an internal cooling structure thereof are provided. The internal cooling structure comprises a stator core and a winding, wherein a cooling pipe is coiled between the stator core and the winding and directly conducts the heat of the stator core and the winding; the stator core is provided with a wire embedding groove; cooling pipe is coiled along the radial and axial directions of thewire embedding groove to form a cooling circuit; the stator core is provided with the wire embedding groove; the cooling pipe is prefabricated to have a shape the same as that of the wire embedding groove; the cooling pipe is fixed in the wire embedding groove; one or two or more cooling pipes are arranged. The cooling pipe is coiled between the motor core and the winding and directly conducts theheat of the stator core and the winding so as to achieve high heat dissipation efficiency and simple installation. The built-in totally-enclosed cooling pipe structure makes it possible to totally enclose the interior of the motor and to achieve a low risk of coolant leakage.

Description

technical field [0001] The invention relates to a motor, in particular to a motor and its internal cooling structure. Background technique [0002] Liquid cooling can improve the efficiency of electric motors, and such applications are usually areas with strict requirements on size or quality and reliability, such as automobiles. The current cooling structure of the disc motor basically uses the special fluid channel on the end cover or the shell, which has high requirements on sealing and installation, and there is a risk of liquid leakage due to material aging and improper installation, which may be serious. Affect the performance and service life of the motor. [0003] Chinese patent document CN 208923980 U discloses a disc motor and its cooling structure, which includes a cooling channel with a cooling outlet and a cooling inlet, and a heat sink arranged in the cooling channel. The cooling structure disclosed in the document is complicated, and the manufacturing proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/20
CPCH02K1/20
Inventor 王海明张雪飞陈灵敏卢志坚
Owner ZHEJIANG SHENGTAI DEFENSE TECH CO LTD
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