WO2019200635A1 - Structure de refroidissement et d'étanchéité d'une coque de moteur - Google Patents

Structure de refroidissement et d'étanchéité d'une coque de moteur Download PDF

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Publication number
WO2019200635A1
WO2019200635A1 PCT/CN2018/086308 CN2018086308W WO2019200635A1 WO 2019200635 A1 WO2019200635 A1 WO 2019200635A1 CN 2018086308 W CN2018086308 W CN 2018086308W WO 2019200635 A1 WO2019200635 A1 WO 2019200635A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor housing
cooling
sealing structure
sealing
cooling water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/086308
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English (en)
Chinese (zh)
Inventor
凌新亮
余志明
王永炜
杨刚刚
裴正强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jing Jin Electric Technologies Beijing Co Ltd
Original Assignee
Jing Jin Electric Technologies Beijing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jing Jin Electric Technologies Beijing Co Ltd filed Critical Jing Jin Electric Technologies Beijing Co Ltd
Publication of WO2019200635A1 publication Critical patent/WO2019200635A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium

Definitions

  • the invention belongs to the technical field of motor cooling, and in particular relates to a motor housing cooling and sealing structure.
  • an object of the present invention is to provide a motor housing cooling and sealing structure to solve the problems of poor quality, low efficiency, and high cost brought about by the conventional cast molded housing.
  • a motor housing cooling and sealing structure comprises a motor housing and a cooling water channel disposed in the motor housing, wherein the cooling water channel is distributed in an S-shaped structure in a week of the motor housing, the electric A sealing structure for sealing the cooling water channel is disposed on both end faces of the casing, and an outer surface of the motor casing is provided with a water inlet and a water outlet communicating with both ends of the cooling water channel.
  • the cooling water channel comprises a plurality of axial water channels distributed in the circumferential direction, each of the axial water channels extending in the axial direction and sequentially alternately communicating at the front and back ends through the turning channel, wherein the turning channel is located at the front end
  • the end of the motor housing is an open structure, and the sealing structure is located outside the turning passage for sealing the turning passage to form the cooling water passage for reciprocating folding back.
  • the sealing structure comprises a ring groove disposed on an end surface of the motor housing and communicating with each of the turning passages, and a sealing ring is disposed in the ring groove.
  • the sealing ring is an aluminum ring which is fixed in the ring groove by welding and supported by a support surface at the bottom of the ring groove.
  • the sealing structure comprises a plurality of end recesses disposed on the end surface of the motor housing and communicating with each of the turning passages and a plurality of sealing blocks received in the end recesses.
  • the sealing block is an aluminum block that is fixed in the end groove by welding and supported by a support surface at the bottom of the end groove.
  • the plurality of end grooves are all arcuate and the center line is on the same circumference.
  • the water inlet and the water outlet are disposed at the same side end or both side ends of the motor housing.
  • the invention has the advantages and beneficial effects that the invention passes through a cooling water passage which flows through the casing in a S-shaped form, and the structure and the molding method effectively solve the molding problem of the motor casing, thereby improving the yield and reducing the cost. .
  • the invention processes a groove at both ends of the motor casing, and the groove forms a passage of the coolant on the one hand, and an aluminum ring or an aluminum block is welded in the groove on the other hand to ensure the sealing of the cooling channel and avoid cooling. Liquid leakage.
  • the invention has the advantages of simple structure and easy expansion, and the length of the casing can be adjusted according to the actual use without modifying the mold, and the processing technology is simple, the quality is reliable, and the efficiency is high.
  • Figure 1 is a perspective view of the present invention
  • Figure 2 is a cross-sectional view of the present invention
  • FIG. 3 is an enlarged view of I in Figure 2;
  • FIG. 4 is a schematic structural view of an end portion of a motor housing according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural view of an end portion of a motor casing according to another embodiment of the present invention.
  • 1 is the motor housing, 11 is the ring groove, 2 is the sealing ring, 3 is the cooling water channel, 31 is the axial water channel, 32 is the turning channel, 4 is the water inlet, 5 is the water outlet, 6 is the sealing block .
  • the existing motor housing usually adopts an integrated casting method, but the casting sand hole, the air hole, the shrinkage and the like have an influence on the yield of the product.
  • the present invention provides a cooling structure for a motor housing, which flows through a cooling channel of the housing in the form of an S-shape.
  • This structure and forming method effectively solve the motor.
  • the molding problem of the housing improves the yield and reduces the cost.
  • the present invention provides a motor housing cooling and sealing structure, comprising a motor housing 1 and a cooling water channel 3 disposed in the motor housing 1.
  • the cooling water channel 3 is distributed in an S-shaped structure.
  • One end of the casing 1 is provided with a sealing structure for sealing the cooling water channel 3 on both end faces of the motor casing 1.
  • the outer surface of the motor casing 1 is provided with a water inlet 4 and a communicating with both ends of the cooling water channel 3. Nozzle 5.
  • the cooling water channel 3 includes a plurality of axial water channels 31 distributed along the circumferential direction.
  • Each of the axial water channels 31 is disposed along the axial direction and alternately communicates through the turning passages 32 at the front and back ends.
  • the turning passage 32 is located at the end of the motor housing 1 and has an open structure.
  • the sealing structure is located outside the turning passage 32 for sealing the turning passage 32 to form a reciprocating F-type cooling water passage 3.
  • the water inlet 4 and the water outlet 5 are provided at the same side end or both ends of the motor housing 1.
  • the sealing structure includes a ring groove 11 disposed on both end faces of the motor housing 1, and the ring groove 11 communicates with each of the turning passages 32 of the cooling water channel 3.
  • a seal ring 2 for closing the turning passage 32 is provided in the ring groove 11.
  • the seal ring 2 is an aluminum ring which is fixed in the ring groove 11 by welding, and the bottom of the ring groove 11 is provided with a support surface for supporting the seal ring 2.
  • the bottom of the ring groove 11 is designed with an aluminum ring mounted support surface for the purpose of limiting the position of the welded aluminum ring and providing support for the aluminum ring during welding to meet the welding process.
  • the purpose of welding the aluminum ring is to block the cooling water channel 3 and prevent the coolant from overflowing.
  • the sealing structure includes a plurality of end grooves and receiving portions which are disposed on the end faces of the motor housing 1 and communicate with the turning passages 32 of the cooling water channel 3.
  • the bottom of the end groove is provided with a support surface for supporting the sealing block 6.
  • the plurality of end grooves are all arcuate and the center line is on the same circumference.
  • the sealing block 6 is an aluminum block, and the aluminum block is fixed in the end groove by welding.
  • the segmented aluminum block can be better applied to the motor casing of different sectional shapes.
  • the purpose of welding the aluminum block is to block the cooling water channel 3 and prevent the coolant from overflowing.
  • the motor housing cooling sealing structure provided by the invention has an axial water channel integrally formed in the motor housing 1 , and grooves (turning passages) are formed at both ends, and the grooves form a passage of the coolant on the one hand, and the other
  • an aluminum ring or an aluminum block is placed on the outside of the groove, and the aluminum ring or the aluminum block is welded to the casing to ensure the sealing of the cooling water channel and avoid leakage of the coolant.
  • Two holes are formed in the outer surface of the motor casing 3 as the water inlet 4 and the water outlet 5, and the water inlet 4 and the water outlet 5 communicate with the inlet and the outlet of the cooling water channel 3, respectively, so that the cooling liquid can be circulated and cooled.
  • the purpose of the housing is formed in the outer surface of the motor casing 3 as the water inlet 4 and the water outlet 5, and the water inlet 4 and the water outlet 5 communicate with the inlet and the outlet of the cooling water channel 3, respectively, so that the cooling liquid can be circulated and cooled.
  • the motor housing of the present invention cools the sealing structure, the cooling liquid in the cooling water channel 3 moves in the axial direction, is folded back at the end, flows through the motor housing 1 in the form of an S-type, and the cooling water channel 3 is squeezed.
  • the pressure type housing is machined in the end to machine the turning passage 32 of the cooling water channel 3, and the two ends of the motor housing 1 are welded by means of two aluminum rings to ensure the sealing of the cooling water channel 3.
  • the structure of the cooling water channel 3 is simple and easy to expand, and the length of the motor casing 1 can be adjusted according to actual use without modifying the mold, and the processing process is simple, the quality is reliable, and the efficiency is high.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

L'invention concerne une structure de refroidissement et d'étanchéité d'une coque de moteur, la structure comprenant une coque de moteur (1) et des canaux d'eau de refroidissement (3) disposés à l'intérieur de la coque de moteur (1), les canaux d'eau de refroidissement (3) étant répartis dans des structures en forme de S autour de la coque de moteur (1) ; des surfaces d'extrémité au niveau de deux extrémités de la coque de moteur (1) sont pourvues de structures d'étanchéité utilisées pour sceller les canaux d'eau de refroidissement (3) ; et une surface externe de la coque de moteur (1) est pourvue d'une entrée d'eau (4) et d'une sortie d'eau (5) qui sont en communication avec deux extrémités des canaux d'eau de refroidissement (3). Le liquide de refroidissement s'écoule en forme de S et traverse les canaux d'eau de refroidissement (3) autour de la coque, ce qui permet de résoudre efficacement les problèmes de mise en forme de la coque de moteur (1), améliorant ainsi le rendement et réduisant les coûts.
PCT/CN2018/086308 2018-04-20 2018-05-10 Structure de refroidissement et d'étanchéité d'une coque de moteur Ceased WO2019200635A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201820569790 2018-04-20
CN201820569790.9 2018-04-20

Publications (1)

Publication Number Publication Date
WO2019200635A1 true WO2019200635A1 (fr) 2019-10-24

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Application Number Title Priority Date Filing Date
PCT/CN2018/086308 Ceased WO2019200635A1 (fr) 2018-04-20 2018-05-10 Structure de refroidissement et d'étanchéité d'une coque de moteur

Country Status (2)

Country Link
CN (2) CN208461603U (fr)
WO (1) WO2019200635A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022240916A1 (fr) 2021-05-10 2022-11-17 The Regents Of The University Of Colorado, A Body Corporate Allèles hla modifiés pour le traitement de l'auto-immunité

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110350708A (zh) * 2019-07-17 2019-10-18 上海浩正电气有限公司 水道加工方法及电机外壳冷却结构
CN112387937B (zh) * 2019-08-12 2022-07-12 中车株洲电力机车研究所有限公司 永磁同步电机、电机壳体及用于加工的砂芯
CN112975457B (zh) * 2021-03-18 2024-08-20 广州市昊志机电股份有限公司 一种多轴转台和机床

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204030818U (zh) * 2014-06-23 2014-12-17 华域汽车电动系统有限公司 一体化水冷电机壳体
CN205509730U (zh) * 2016-01-29 2016-08-24 联合汽车电子有限公司 水冷电机的机壳水道结构及机壳主体
CN206226184U (zh) * 2016-10-08 2017-06-06 宁波腾隆户外用品有限公司 一种具有冷却结构的电机壳体
CN206775291U (zh) * 2017-04-01 2017-12-19 杨文波 一种电动车用大功率水冷电机机壳

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204030818U (zh) * 2014-06-23 2014-12-17 华域汽车电动系统有限公司 一体化水冷电机壳体
CN205509730U (zh) * 2016-01-29 2016-08-24 联合汽车电子有限公司 水冷电机的机壳水道结构及机壳主体
CN206226184U (zh) * 2016-10-08 2017-06-06 宁波腾隆户外用品有限公司 一种具有冷却结构的电机壳体
CN206775291U (zh) * 2017-04-01 2017-12-19 杨文波 一种电动车用大功率水冷电机机壳

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022240916A1 (fr) 2021-05-10 2022-11-17 The Regents Of The University Of Colorado, A Body Corporate Allèles hla modifiés pour le traitement de l'auto-immunité
WO2022240917A2 (fr) 2021-05-10 2022-11-17 The Regents Of The University Of Colorado, A Body Corporate Ingénierie de poche d'allèles d'antigène leucocytaire humain (hla) pour le traitement de l'auto-immunité
WO2022240915A1 (fr) 2021-05-10 2022-11-17 The Regents Of The University Of Colorado, A Body Corporate Allèles hla modifiés pour le traitement d'auto-immunité

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CN108400671A (zh) 2018-08-14
CN208461603U (zh) 2019-02-01

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