CN114189092A - Novel water channel structure of water-cooled motor and manufacturing method - Google Patents

Novel water channel structure of water-cooled motor and manufacturing method Download PDF

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Publication number
CN114189092A
CN114189092A CN202111381131.5A CN202111381131A CN114189092A CN 114189092 A CN114189092 A CN 114189092A CN 202111381131 A CN202111381131 A CN 202111381131A CN 114189092 A CN114189092 A CN 114189092A
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China
Prior art keywords
water
water channel
channel
shell
base
Prior art date
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Pending
Application number
CN202111381131.5A
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Chinese (zh)
Inventor
张正斌
蔡文培
胡加勇
肖承华
秦启巍
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Chongqing Huxi Electrical Industrial Co ltd
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Chongqing Huxi Electrical Industrial Co ltd
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Application filed by Chongqing Huxi Electrical Industrial Co ltd filed Critical Chongqing Huxi Electrical Industrial Co ltd
Priority to CN202111381131.5A priority Critical patent/CN114189092A/en
Publication of CN114189092A publication Critical patent/CN114189092A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/14Casings; Enclosures; Supports
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

The invention discloses a novel water channel structure of a water-cooled motor and a manufacturing method thereof. A water flow circulation channel is arranged on the outer wall of the water channel base, and a water inlet and a water outlet are arranged on the water channel shell. The water channel base is pressed into the water channel shell in an interference fit mode, two end faces of the water channel base are flush with two end faces of the water channel shell respectively, the water channel base and the water channel shell are connected into a whole through friction stir welding, and the water inlet end and the water outlet end are communicated with the water inlet and the water outlet respectively. The invention carries out sealing welding on the end surface of the water channel by using a friction stir welding technology under the condition of not changing a water flow circulation channel which is in bidirectional conduction, and a reinforcing rib structure is reserved in the water channel, so that the processing is simpler and more convenient, the deformation is not easy to occur, the water channel is more reliable in sealing, and the stress condition is better.

Description

Novel water channel structure of water-cooled motor and manufacturing method
Technical Field
The invention relates to a novel water channel structure of a water-cooled motor and a manufacturing method thereof.
Background
Water channels in various water-cooled motors are usually manufactured by turning aluminum bar materials to form water flow circulation channels, and then the water flow circulation channels are sealed through argon arc welding to form bidirectional conduction water flow circulation channels. The traditional water cooling motor water channel is high in welding difficulty and low in production efficiency, is easy to deform, cannot meet the requirements for size, and is easy to leak water at a welding position, so that the performance of a product is affected, and processing waste products are often generated.
Particularly, when the traditional water cooling motor water channel is welded by argon arc welding, the defects of deformation, over-high hardness, sand holes, local annealing, cracking, pin holes, abrasion, scratch, undercut, insufficient binding force, internal stress damage and the like are often caused after a workpiece is repaired due to a large heat affected zone, and the circulating water channel is of a thin-wall structure and is poor in stress.
Disclosure of Invention
The invention aims to provide a novel water channel structure of a water-cooled motor and a manufacturing method thereof, and aims to solve the problems in the prior art.
The novel water channel structure of the water-cooled motor comprises a water channel base and a water channel shell, wherein the water channel base and the water channel shell are both of cylindrical structures with two open ends and hollow interiors.
A water flow circulation channel is formed in the outer wall of the water channel base, the two ends of the water flow circulation channel are marked as a water inlet end and a water outlet end respectively, and the water flow circulation channel and the two end faces of the water channel base are both separated by a distance.
The water channel shell is provided with a water inlet and a water outlet, and the water inlet and the water outlet penetrate through the inner side and the outer side of the water channel shell.
The water channel machine base is pressed into the water channel shell in an interference fit mode, two end faces of the water channel machine base are flush with two end faces of the water channel shell respectively, the water channel machine base and the water channel shell are connected into a whole through friction stir welding, and the water inlet end and the water outlet end are communicated with the water inlet and the water outlet respectively and are sealed.
Furthermore, rivers circulation passage includes axial section and snakelike section, and axial section is parallel with the axial of water course frame, and the one end of axial section is for intaking the end, and the other end is connected with the one end of snakelike section, and the other end of snakelike section is for going out the water end.
The S-shaped section comprises N arc sections, each arc section extends along the circumferential direction of the water channel base, two ends of each arc section are close to the axial section and are respectively located on two sides of the axial section, the N arc sections are arranged at equal intervals along the axial direction of the water channel base, the N arc sections are sequentially communicated, the distance exists between the joint of the adjacent arc sections and the axial section, and N is larger than or equal to 2.
Furthermore, the outer wall of the water channel shell is connected with a plurality of ear plates.
Furthermore, the water channel base and the water channel shell are made of high-strength aluminum alloy.
The manufacturing method of the novel water channel structure based on the water-cooled motor comprises the following steps:
1) and turning to obtain the water channel base.
2) And turning to obtain the water channel shell.
3) And adjusting the positions of the water channel base and the water channel shell to enable the water inlet end to correspond to the water inlet and the water outlet end to correspond to the water outlet, press-fitting the water channel base and the water channel shell in an interference manner until the end surfaces of the water channel base and the water channel shell are flush, sealing the water flow circulation channel by the inner wall of the water channel shell, butting the water inlet end with the water inlet, and butting the water outlet end with the water outlet.
4) And carrying out friction stir welding at the joint of the water channel base and the water channel shell, sealing the butt joint of the water inlet end and the water inlet, and sealing the butt joint of the water outlet end and the water outlet.
The invention has the beneficial effects that: the novel water channel structure is adopted, the end face of the water channel is hermetically welded by a friction stir welding technology under the condition that a bidirectional conduction water flow circulation channel is not changed, and the reinforcing rib structure is reserved in the water channel, so that the processing is simpler and more convenient, the deformation is not easy, the water channel is more reliable in sealing, and the stress condition is better; the welding method does not add welding flux during welding, and the two parts are welded together by using the materials of the welding method, so that the phenomenon that the welding position is cracked and leaks water due to different deformation caused by heating because the welding material is different from the materials of the motor during the use of the motor is avoided.
Drawings
FIG. 1 is a schematic view of the novel structure of the waterway of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of a waterway assembly;
FIG. 4 is a side view of the waterway assembly;
FIG. 5 is a schematic view of a waterway housing.
In the figure: the water channel machine base 1, the water flow circulating channel 101, the water inlet end 1011, the water outlet end 1012, the axial section 1013, the snake-shaped section 1014, the water channel shell 2, the water inlet 201, the water outlet 202 and the ear plate 203.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example 1:
the embodiment discloses a water cooling motor's novel structure of water course, including water course frame 1 and water course shell 2, water course frame 1 and water course shell 2 are both ends uncovered and inside hollow cylinder structure. The water channel machine base 1 and the water channel shell 2 are made of high-strength aluminum alloy.
Referring to fig. 3 or 4, a water flow circulation channel 101 is formed in the outer wall of the water channel base 1, two ends of the water flow circulation channel 101 are respectively marked as a water inlet end 1011 and a water outlet end 1012, the water flow circulation channel 101 is separated from two end faces of the water channel base 1, and enough welding distance is reserved at the two ends for subsequent friction stir welding.
Referring to fig. 4, the water circulation channel 101 includes an axial section 1013 and a serpentine section 1014, the axial section 1013 is parallel to the axial direction of the waterway frame 1, one end of the axial section 1013 is a water inlet end 1011, the other end is connected to one end of the serpentine section 1014, and the other end of the serpentine section 1014 is a water outlet end 1012.
Snakelike section 1014 includes a N circular arc section, this embodiment N gets 3, every circular arc section extends along water course frame 1's circumference, the both ends of every circular arc section all are close to axial section 1013 and are located the both sides of axial section 1013 respectively, 3 circular arc sections are arranged along water course frame 1's axial equidistant, 3 circular arc sections communicate in proper order, see fig. 4, there is the distance in junction and the axial section 1013 of adjacent circular arc section, thereby make to form on water course frame 1 and be similar to the strengthening rib structure, prevent that water course frame 1 from producing the deformation because of having seted up rivers circulation channel 101.
Referring to fig. 5, the water channel housing 2 is provided with a water inlet 201 and a water outlet 202, and both the water inlet 201 and the water outlet 202 penetrate through the inner side and the outer side of the water channel housing 2. The outer wall of the water channel shell 2 is connected with a plurality of ear plates 203, so that the water channel shell is conveniently connected with other structures.
Referring to fig. 1 or 2, the water channel base 1 is press-fitted into the water channel housing 2 by interference fit, two end faces of the water channel base 1 are flush with two end faces of the water channel housing 2, the water channel base 1 and the water channel housing 2 are connected into a whole by friction stir welding, and the water inlet end 1011 and the water outlet end 1012 are respectively communicated with the water inlet 201 and the water outlet 202 and are sealed.
It is worth mentioning that, the novel water channel structure of this embodiment, under the condition that the rivers circulation passageway that does not change two-way conduction, carry out seal welding with friction stir welding technique at the water channel terminal surface, and keep the strengthening rib structure in the water channel, it is simpler and more convenient to process, and difficult to deform makes the water channel sealed more reliable, and the atress condition is better. The welding method does not add welding flux during welding, and the two parts are welded together by using the materials of the welding method, so that the phenomenon that the welding position is cracked and leaks water due to different deformation caused by heating because the welding material is different from the materials of the motor during the use of the motor is avoided.
Example 2:
the embodiment discloses a method for manufacturing a novel water channel structure of a water-cooled motor based on embodiment 1, which comprises the following steps:
1) and turning to obtain the water channel base 1.
2) And turning to obtain the water channel shell 2.
3) Adjusting the positions of the water channel base 1 and the water channel shell 2 to enable the water inlet end 1011 to correspond to the water inlet 201 and the water outlet end 1012 to correspond to the water outlet 202, press-fitting the water channel base 1 and the water channel shell 2 in an interference manner until the end surfaces are flush, sealing the water flow circulation channel 101 by the inner wall of the water channel shell 2, butting the water inlet end 1011 with the water inlet 201, and butting the water outlet end 1012 with the water outlet 202.
4) And (3) performing friction stir welding at the joint of the water channel base 1 and the water channel shell 2, sealing the butt joint of the water inlet end 1011 and the water inlet 201, and sealing the butt joint of the water outlet end 1012 and the water outlet 202. See B in fig. 2, the friction stir welding position.
Example 3:
the embodiment discloses a water cooling motor's novel structure of water course, including water course frame 1 and water course shell 2, water course frame 1 and water course shell 2 are both ends uncovered and inside hollow cylinder structure.
Referring to fig. 3 or 4, a water circulation channel 101 is formed in the outer wall of the waterway frame 1, two ends of the water circulation channel 101 are respectively marked as a water inlet end 1011 and a water outlet end 1012, and the water circulation channel 101 is spaced from two end faces of the waterway frame 1.
Referring to fig. 5, the water channel housing 2 is provided with a water inlet 201 and a water outlet 202, and both the water inlet 201 and the water outlet 202 penetrate through the inner side and the outer side of the water channel housing 2.
Referring to fig. 1 or 2, the water channel base 1 is press-fitted into the water channel housing 2 by interference fit, two end faces of the water channel base 1 are flush with two end faces of the water channel housing 2, the water channel base 1 and the water channel housing 2 are connected into a whole by friction stir welding, and the water inlet end 1011 and the water outlet end 1012 are respectively communicated with the water inlet 201 and the water outlet 202 and are sealed.
Example 4:
the main structure of this embodiment is the same as that of embodiment 3, and further, referring to fig. 4, the water circulation channel 101 includes an axial section 1013 and a serpentine section 1014, the axial section 1013 is parallel to the axial direction of the waterway frame 1, one end of the axial section 1013 is a water inlet end 1011, the other end is connected to one end of the serpentine section 1014, and the other end of the serpentine section 1014 is a water outlet end 1012.
The snake-shaped section 1014 comprises N arc sections, each arc section extends along the circumferential direction of the water channel base 1, two ends of each arc section are close to the axial section 1013 and are respectively positioned at two sides of the axial section 1013, the N arc sections are arranged along the axial direction of the water channel base 1 at equal intervals, the N arc sections are sequentially communicated, the connecting part of the adjacent arc sections has a distance with the axial section 1013, and N is more than or equal to 2.
Example 5:
the main structure of the present embodiment is the same as that of embodiment 3, and further, a plurality of ear plates 203 are connected to the outer wall of the water channel housing 2, and bolt holes are formed in the ear plates 203, so that the water channel housing 2 can be conveniently connected with other structural bolts.
Example 6:
the main structure of the present embodiment is the same as that of embodiment 3, and further, the materials of the water channel machine base 1 and the water channel housing 2 are high-strength aluminum alloy.

Claims (5)

1. The utility model provides a water cooled machine's water course novel structure which characterized in that: the water channel machine base comprises a water channel machine base (1) and a water channel shell (2), wherein the water channel machine base (1) and the water channel shell (2) are both of cylindrical structures with two open ends and hollow interiors;
a water flow circulating channel (101) is formed in the outer wall of the water channel base (1), two ends of the water flow circulating channel (101) are respectively marked as a water inlet end (1011) and a water outlet end (1012), and the water flow circulating channel (101) and two end faces of the water channel base (1) are spaced;
a water inlet (201) and a water outlet (202) are formed in the water channel shell (2), and the water inlet (201) and the water outlet (202) penetrate through the inner side and the outer side of the water channel shell (2);
the water channel machine base (1) is pressed into the water channel shell (2) in an interference fit mode, two end faces of the water channel machine base (1) are flush with two end faces of the water channel shell (2) respectively, the water channel machine base (1) and the water channel shell (2) are connected into a whole through friction stir welding, and the water inlet end (1011) and the water outlet end (1012) are communicated with the water inlet (201) and the water outlet (202) respectively and are subjected to sealing treatment.
2. The novel water channel structure of the water-cooled motor as claimed in claim 1, wherein: the water flow circulating channel (101) comprises an axial section (1013) and a snake-shaped section (1014), the axial section (1013) is parallel to the axial direction of the water channel base (1), one end of the axial section (1013) is a water inlet end (1011), the other end of the axial section is connected with one end of the snake-shaped section (1014), and the other end of the snake-shaped section (1014) is a water outlet end (1012);
the S-shaped section (1014) comprises N arc sections, each arc section extends along the circumferential direction of the water channel base (1), two ends of each arc section are close to the axial section (1013) and are respectively positioned at two sides of the axial section (1013), the N arc sections are arranged at equal intervals along the axial direction of the water channel base (1), the N arc sections are sequentially communicated, the connecting part of the adjacent arc sections has a distance with the axial section (1013), and N is larger than or equal to 2.
3. The novel water channel structure of the water-cooled motor as claimed in claim 1, wherein: the outer wall of the water channel shell (2) is connected with a plurality of ear plates (203).
4. The novel water channel structure of the water-cooled motor as claimed in claim 1, wherein: the water channel machine base (1) and the water channel shell (2) are made of high-strength aluminum alloy.
5. The method for manufacturing the novel water channel structure of the water-cooled motor according to any one of claims 1 to 4, wherein the method comprises the following steps: the method comprises the following steps:
1) turning and processing the water channel base (1);
2) turning the water channel shell (2);
3) adjusting the positions of the water channel base (1) and the water channel shell (2) to enable a water inlet end (1011) to correspond to a water inlet (201) and a water outlet end (1012) to correspond to a water outlet (202), press-fitting the water channel base (1) and the water channel shell (2) in an interference manner until the end surfaces of the water channel base and the water channel shell are flush, sealing a water flow circulation channel (101) by the inner wall of the water channel shell (2), butting the water inlet end (1011) with the water inlet (201), and butting the water outlet end (1012) with the water outlet (202);
4) and (2) performing friction stir welding at the joint of the water channel base (1) and the water channel shell (2), sealing the butt joint of the water inlet end (1011) and the water inlet (201), and sealing the butt joint of the water outlet end (1012) and the water outlet (202).
CN202111381131.5A 2021-11-20 2021-11-20 Novel water channel structure of water-cooled motor and manufacturing method Pending CN114189092A (en)

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CN202111381131.5A CN114189092A (en) 2021-11-20 2021-11-20 Novel water channel structure of water-cooled motor and manufacturing method

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Application Number Priority Date Filing Date Title
CN202111381131.5A CN114189092A (en) 2021-11-20 2021-11-20 Novel water channel structure of water-cooled motor and manufacturing method

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Publication Number Publication Date
CN114189092A true CN114189092A (en) 2022-03-15

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008014734A1 (en) * 2006-08-01 2008-02-07 Temic Automotive Electric Motors Gmbh Machine housing for an electrical machine
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CN207098827U (en) * 2017-06-26 2018-03-13 比亚迪股份有限公司 A kind of sealing device and motor of motor cooling water channel
CN108672917A (en) * 2018-07-02 2018-10-19 精进电动科技股份有限公司 Electric machine casing cooling water channel seal weld method
CN109873522A (en) * 2019-04-04 2019-06-11 重庆青山工业有限责任公司 Electric machine casing seals water-cooling structure
CN209150874U (en) * 2019-01-16 2019-07-23 合肥巨一动力系统有限公司 A kind of electric machine casing radiator structure
CN209170109U (en) * 2018-12-26 2019-07-26 南京越博电驱动系统有限公司 A kind of new-energy automobile water cooling machine casing of motor
DE102018114246A1 (en) * 2018-06-14 2019-12-19 Schaufler Tooling GmbH & Co. KG Housing with at least one cooling water channel and method for its production
CN210246484U (en) * 2019-08-29 2020-04-03 江苏天钧精密技术有限公司 Novel take water-cooled machine shell of vortex structure
CN211351969U (en) * 2020-01-20 2020-08-25 菲仕绿能科技(宁波)有限公司 Friction stir welding water-cooling shell for motor
CN111864968A (en) * 2020-08-19 2020-10-30 浙江盘毂动力科技有限公司 Integrated sand core cast disc type motor shell and casting process
CN113664363A (en) * 2021-09-02 2021-11-19 中色(天津)特种材料有限公司 Special-shaped track welding method for end face of water-cooled motor shell

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008014734A1 (en) * 2006-08-01 2008-02-07 Temic Automotive Electric Motors Gmbh Machine housing for an electrical machine
CN106181268A (en) * 2016-09-12 2016-12-07 广州市锐美汽车零部件有限公司 A kind of new-energy automobile water-cooled motor case and friction welding technological thereof
CN106972682A (en) * 2017-06-06 2017-07-21 江苏铭利达科技有限公司 The sub-assembly of motor housing and water jacket
CN207098827U (en) * 2017-06-26 2018-03-13 比亚迪股份有限公司 A kind of sealing device and motor of motor cooling water channel
DE102018114246A1 (en) * 2018-06-14 2019-12-19 Schaufler Tooling GmbH & Co. KG Housing with at least one cooling water channel and method for its production
CN108672917A (en) * 2018-07-02 2018-10-19 精进电动科技股份有限公司 Electric machine casing cooling water channel seal weld method
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CN209150874U (en) * 2019-01-16 2019-07-23 合肥巨一动力系统有限公司 A kind of electric machine casing radiator structure
CN109873522A (en) * 2019-04-04 2019-06-11 重庆青山工业有限责任公司 Electric machine casing seals water-cooling structure
CN210246484U (en) * 2019-08-29 2020-04-03 江苏天钧精密技术有限公司 Novel take water-cooled machine shell of vortex structure
CN211351969U (en) * 2020-01-20 2020-08-25 菲仕绿能科技(宁波)有限公司 Friction stir welding water-cooling shell for motor
CN111864968A (en) * 2020-08-19 2020-10-30 浙江盘毂动力科技有限公司 Integrated sand core cast disc type motor shell and casting process
CN113664363A (en) * 2021-09-02 2021-11-19 中色(天津)特种材料有限公司 Special-shaped track welding method for end face of water-cooled motor shell

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