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Air cooling-water cooling hybrid cooling permanent magnet roller

A hybrid cooling and permanent magnetic drum technology, applied in cooling/ventilation devices, magnetic circuit static parts, magnetic circuit shape/style/structure, etc., can solve problems such as limited heat dissipation area, high drum temperature rise, and single cooling method. To achieve the effect of improving the water cooling effect, increasing the cooling effect, and increasing the heat dissipation area

Active Publication Date: 2020-10-02
JIANGSU JIAXUAN INTELLIGENT IND TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the outer rotor permanent magnet drum is working, the coil installed on the stator will generate a large amount of induction heat, which will easily lead to the aging of the motor and affect the service life of the outer rotor permanent magnet drum
The outer rotor permanent magnet drum mainly depends on the cooling water circuit inside the stator, and the drum is cooled by an external water cooler or an external water source. The cooling method is single and the heat dissipation area is limited. The cavity part, and the cavity part has no cooling structure, so effective heat dissipation cannot be carried out, resulting in a high temperature rise of the drum

Method used

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  • Air cooling-water cooling hybrid cooling permanent magnet roller
  • Air cooling-water cooling hybrid cooling permanent magnet roller
  • Air cooling-water cooling hybrid cooling permanent magnet roller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1 This embodiment provides a permanent magnet drum cooled by air-water cooling

[0030] Such as figure 1 As shown, the permanent magnet drum includes: a main shaft 10, a reciprocating water pipe 4 and a fan 6 arranged in the cavity of the stator 5; the main shaft 10 is provided with radial plates 8 with holes uniformly distributed in the axial direction, and each spoke plate with holes 8 It is fixed on the main shaft 10 in the circumferential direction, the reciprocating water pipe 4 surrounds and is reciprocally fixed on a plurality of perforated webs 8, and the four fans 6 are evenly distributed in the circumferential direction on the main shaft 10 at the left end of the plurality of perforated webs 8, and the four fans 6 are directed toward The perforated spoke plate 8 at the left end is out of the air. The perforated web 8 is provided with a fixedly connected pipe clip 15 (such as figure 2 shown) to fix the reciprocating water pipe 4. Such as figure...

Embodiment 2

[0034] Embodiment 2 This embodiment provides a hydraulic motor-driven air-water-cooled hybrid cooling permanent magnet drum

[0035] The permanent magnet drum includes an end cover assembly 1, a stator coil assembly 2, a cooling water circuit 3 for the stator, a reciprocating water pipe 4, a fan 6 and a main shaft 10, a stator cavity 5 is formed inside the stator, and the reciprocating water pipe 4 and the fan 6 are located in the stator cavity 5 Inside, the water inlet 16 on the main shaft 10 is connected to the cooling water passage 3 of the stator through the water inlet pipe 17, the cooling water passage 3 of the stator is connected to the water inlet end of the reciprocating water pipe 4, and the water outlet end of the reciprocating water pipe 4 is connected to the outlet on the main shaft 10 through the water outlet pipe 20. Shuikou 19. The cooling waterway 3 and the reciprocating water pipe 4 each have a connection port, which are the water inlet connection port 21 and...

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Abstract

The invention relates to the technical field of motor transmission, and discloses an air cooling-water cooling hybrid cooling permanent magnet roller, which comprises a main shaft (10), and a reciprocating water pipe (4) and fans (6) which are arranged in a stator cavity (5), wherein the main shaft (10) is provided with perforated radial plates (8) which are evenly distributed in the axial direction or rib plates (18) which are evenly distributed in the radial direction, the reciprocating water pipe (4) is fixed to the perforated radial plates (8) or the rib plates (18), and the fans (6) are evenly distributed on the main shaft (10) at the ends of the perforated radial plates (8) or the rib plates (18) in the circumferential direction. According to the permanent magnet roller provided by the invention, a stator coil assembly is cooled by a conventional cooling water path, and cooling water flows through a water pipe through a reciprocating water pipe, so that the heat dissipation areaof the cooling water in the stator cavity of the permanent magnet roller is increased; and hot air in the stator cavity is blown to the surface of the water pipe by a fan to exchange heat with the cooling water in the water pipe, so that the water-cooling heat dissipation area is increased, and the water-cooling effect is improved.

Description

technical field [0001] The invention relates to the technical field of electric motor transmission, and more specifically, relates to a permanent magnet drum cooled by air-water cooling. Background technique [0002] The permanent magnet drum has the advantages of simple structure, reliable operation, less loss, high efficiency, and direct drive control. It is especially suitable for low-speed, high-torque applications, so it is widely used in petroleum, mining, metallurgical and steel rolling industries. When the outer rotor permanent magnet drum is working, the coils installed on the stator will generate a large amount of induction heat, which will easily lead to the aging of the motor and affect the service life of the outer rotor permanent magnet drum. The outer rotor permanent magnet drum mainly depends on the cooling water circuit inside the stator, and the drum is cooled by an external water cooler or an external water source. The cooling method is single and the heat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K9/06H02K9/193H02K1/20H02K3/24H02K5/18
CPCH02K9/06H02K9/193H02K1/20H02K3/24H02K5/18
Inventor 张春晖唐海彬
Owner JIANGSU JIAXUAN INTELLIGENT IND TECH CO LTD
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