High-temperature superconducting motor liquid cooling air gap armature stator structure and assembling method

A liquid cooling and high temperature superconducting technology, applied in the shape/style/structure of winding conductors, cooling/ventilation devices, electromechanical devices, etc., can solve the problems that cannot meet the heat dissipation requirements of the stator armature, and achieve simplified connection structure and assembly process, simplification of molding process, effect of weight reduction

Pending Publication Date: 2022-03-18
WUHAN MARINE ELECTRIC PROPULSION RES INST CHINA SHIPBUILDING IND CORP NO 712 INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For high temperature superconducting motors with high thermal load and high torque density, conventional air cooling can no longer meet the heat dissipation requirements of the stator armature

Method used

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  • High-temperature superconducting motor liquid cooling air gap armature stator structure and assembling method
  • High-temperature superconducting motor liquid cooling air gap armature stator structure and assembling method
  • High-temperature superconducting motor liquid cooling air gap armature stator structure and assembling method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] like Figure 1 to Figure 7 Shown is a basic embodiment of the invention.

[0054] The invention discloses a liquid-cooled air-gap armature stator structure for a high-temperature superconducting motor. Cap 6, rubber backing plate 7, non-outlet end plate 8 and sealing ring 9; the cylinder 1 is axially inserted into the inner cavity of the stator armature 5, and the cylinder 1 is a ring with thick walls at both ends and a thin wall in the middle Shaped structure, made of glass fiber winding; the cylinder 1 is also set with the outlet end cap 4 and the non-exit end cap 6 respectively, and the outlet end cap 4 and the non-exit end cap 6 pass through the sealing ring 9 and the The bolts are sealed with the end face of the stator armature 5, the outlet end cap 4 is provided with a cooling liquid pipeline 43 and a sealing terminal 3, the cooling liquid pipeline 43 is connected to the external cooling system, the outlet end cap 4 and the non-outlet end end The outside of the ...

Embodiment 2

[0069] The invention also discloses an assembly method for the liquid-cooled air-gap armature stator structure of the high-temperature superconducting motor, the steps of which are:

[0070] Step 1, respectively process the outlet end cap 4, the outlet end plate 2, the non-outline end cap 6, the non-outline end plate 8, the cylinder 1 and the stator armature 5, wherein the cylinder 1 has an adjustable Metal inner membrane, used to maintain and adjust the roundness.

[0071] Step 2, clean the sealing surface with alcohol or acetone, and connect the end cap 4 of the outlet end and the end cap 6 of the non-outlet end to the stator armature respectively through the sealing ring 9 and the bolts for end face sealing connection.

[0072] Step 3, place the stator armature 5 installed with the end cap 4 of the outgoing end and the end cap 6 of the non-exiting end vertically on the tooling, wherein the outgoing end faces upward.

[0073] Step 4, insert the cylinder 1 with the metal inn...

Embodiment 3

[0084] The difference from Embodiment 1 is that: the composite material of the end plate 2 at the outlet end and the end plate 8 at the non-outlet end is aramid fiber.

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Abstract

The invention relates to a high-temperature superconducting motor liquid cooling air gap armature stator structure which is composed of a cylinder, a leading-out terminal end plate, a sealing binding post, a leading-out terminal end cap, a stator armature, a non-leading-out terminal end cap, a rubber cushion plate, a non-leading-out terminal end plate and a sealing ring. The leading-out end cap and the non-leading-out end cap outside the cylinder are respectively in sealed connection with the end face of the stator armature through sealing rings, and the leading-out end plate and the non-leading-out end plate are respectively of an annular structure embedded with a metal flange and are respectively in sealed connection with the cylinder through sealing rings and pressing plates; the invention further discloses an assembling method. The stator temperature rise can be effectively controlled, and the reliability of the motor can be improved, so that the requirements of high heat load, compact structure, high torque density and the like of the motor are met, and the high-temperature superconducting motor or the high-temperature superconducting direct-driven wind driven generator for ship propulsion has the requirements of high power, low rotating speed, compact structure, high torque density, low operating cost and the like.

Description

technical field [0001] The invention belongs to the field of motors, and in particular relates to a liquid-cooled air-gap armature stator structure of a high-temperature superconducting motor and an assembly method thereof. Background technique [0002] Compared with conventional motors, high temperature superconducting motors have significant advantages such as small size, light weight, high efficiency, and stable operation, so domestic and foreign research on them is very important. In particular, breakthroughs have been made in the research of synchronous high-temperature superconducting motors using rotor rotating superconducting magnets. [0003] For high temperature superconducting motors with high heat load and high torque density, conventional air cooling cannot meet the heat dissipation requirements of the stator armature. In order to effectively control the temperature rise of the stator armature, liquid cooling is generally adopted, mainly including three methods...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K3/24H02K3/50H02K5/22H02K5/02H02K9/193H02K1/12H02K15/00H02K55/00
CPCH02K3/24H02K3/50H02K5/225H02K5/02H02K9/193H02K1/12H02K15/0062H02K15/0068H02K55/00H02K2203/06
Inventor 周勇熊琪徐鸿董琦
Owner WUHAN MARINE ELECTRIC PROPULSION RES INST CHINA SHIPBUILDING IND CORP NO 712 INST
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