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Motor heat dissipation structure, motor with motor heat dissipation structure and heat dissipation method

A technology of motor heat dissipation and heat dissipation grooves, which is applied in the field of motors and can solve problems such as the inability to effectively cool down the motor

Active Publication Date: 2022-08-02
苏州上舜精密工业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One of the purposes of the present invention is to solve the problem that the heat dissipation structure in the prior art cannot effectively cool down the motor

Method used

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  • Motor heat dissipation structure, motor with motor heat dissipation structure and heat dissipation method
  • Motor heat dissipation structure, motor with motor heat dissipation structure and heat dissipation method
  • Motor heat dissipation structure, motor with motor heat dissipation structure and heat dissipation method

Examples

Experimental program
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Effect test

Embodiment 1

[0046] A motor heat dissipation structure, such as figure 1 As shown, it includes a casing 10 , a rotating shaft 20 , a rotor 30 and a stator 40 are arranged inside the casing 10 , the rotating shaft 20 is rotatably connected with the casing 10 , the rotor 30 is fixed on the rotating shaft 20 , and the stator 40 is fixed on the inner wall of the casing 10 The rotor 30 is arranged with a permanent magnet, the stator 40 is arranged with a coil 41 , a cooling disk 50 is arranged between the stator 40 and the rotating shaft 20 , and the cooling disk 50 is distributed at the upper and lower ends of the stator 40 .

[0047] like Figure 1-4 As shown, the heat dissipation plate 50 divides the space between the rotating shaft 20 and the inner wall of the casing 10 into a liquid cavity 11, an outer heat dissipation groove 51, a resin ring groove 52 and an inner heat dissipation groove 53. The liquid cavity 11 communicates with the outer heat dissipation groove 51 and the inner heat dis...

Embodiment 2

[0068] A motor heat dissipation structure, such as Image 6 As shown, it includes a casing 10 , a rotating shaft 20 , a rotor 30 and a stator 40 are arranged inside the casing 10 , the rotating shaft 20 is rotatably connected with the casing 10 , the rotor 30 is fixed on the rotating shaft 20 , and the stator 40 is fixed on the inner wall of the casing 10 The rotor 30 is arranged with a permanent magnet, the stator 40 is arranged with a coil 41 , a cooling disk 50 is arranged between the stator 40 and the rotating shaft 20 , and the cooling disk 50 is distributed at the upper and lower ends of the stator 40 .

[0069] An upper magnet unit 91 and a lower magnet unit 92 are arranged between the inner bottom of the casing 10 and the heat dissipation plate 50 .

[0070] A support structure is usually arranged between the rotating shaft 20 and the inner bottom of the casing 10, but the high-speed rotation of the rotating shaft 20 will generate a lot of heat due to friction with the...

Embodiment 3

[0074] A motor, the motor has the motor heat dissipation structure in the first or second embodiment. A hydraulic pump, a filter, a heat exchanger, and an oil tank are communicated between the liquid discharge port 12 on the inner bottom side of the casing 10 and the liquid inlet port 62 of the upper bearing seat 60 . After the cooling liquid is discharged from the liquid discharge port 12, it is transported by the hydraulic pump to the filter and the heat exchanger, and then flows into the oil tank, and then enters the liquid inlet port 62 from the oil tank for reuse to realize circulating cooling.

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Abstract

The invention discloses a motor heat dissipation structure, which relates to the technical field of motors and comprises a casing, a rotating shaft, a rotor, a stator and a heat dissipation disc. The high-heat-conductivity cooling resin is filled in the heat dissipation disc, the exposed coil is coated with the cooling resin, the coil is subjected to heat absorption and cooling in a direct contact mode, on the basis, the inner heat dissipation grooves and the outer heat dissipation grooves are formed in the heat dissipation disc, the cooling resin is located between the inner heat dissipation grooves and the outer heat dissipation grooves, and the heat dissipation efficiency is improved. When the cooling liquid flows through the inner heat dissipation grooves and the outer heat dissipation grooves, the cooling resin is cooled, the heat absorption and cooling effect of the cooling resin on the coil is enhanced, and then the cooling liquid absorbs heat and cools the stator after flowing through the cooling grooves of the stator. Double cooling of liquid cooling and resin cooling is achieved, the cooling effect is enhanced, and the motor is effectively cooled.

Description

technical field [0001] The invention relates to the technical field of electric motors, in particular to a heat dissipation structure of a motor. Background technique [0002] The motor includes a housing, a rotor, and coils for forming a magnetic field to drive the rotor to rotate, the coils being arranged in the stator. During the operation of this type of motor, after the coil of the stator passes through a large current, the heat generated by the coil and the stator will also increase. If the heat cannot be dissipated in time, it is easy to cause excessive temperature to damage the motor. [0003] At present, the heat dissipation structure and method used by the motor are air cooling and liquid cooling. Among them, the air cooling is only suitable for cooling the motor by cooling the motor casing, and is not suitable for cooling the inside of the motor, because the air cooling is easy to remove external impurities. Wrapped inside the motor, affecting the motor work. Th...

Claims

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Application Information

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IPC IPC(8): H02K9/22H02K9/19H02K1/20H02K3/24H02K5/20H02K5/16H02K5/24
CPCH02K9/22H02K9/19H02K1/20H02K3/24H02K5/203H02K5/161H02K5/24Y02T10/64
Inventor 许理浩
Owner 苏州上舜精密工业科技有限公司
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