CN218940795U - Stator core capable of uniformly supplying oil and oil-cooled motor - Google Patents
Stator core capable of uniformly supplying oil and oil-cooled motor Download PDFInfo
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- CN218940795U CN218940795U CN202223039172.9U CN202223039172U CN218940795U CN 218940795 U CN218940795 U CN 218940795U CN 202223039172 U CN202223039172 U CN 202223039172U CN 218940795 U CN218940795 U CN 218940795U
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- punching sheet
- stator core
- core body
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 238000004080 punching Methods 0.000 claims description 46
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 abstract description 24
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- 238000009827 uniform distribution Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The utility model relates to the technical field of oil-cooled motors, and particularly provides a stator core capable of uniformly supplying oil and an oil-cooled motor, wherein the stator core capable of uniformly supplying oil comprises a core body, a first oil groove, a plurality of first oil ways and a plurality of second oil ways, the first oil groove is formed in the peripheral wall, and the first oil groove is arranged along the circumferential direction of the core body; a plurality of first grooves and a plurality of second grooves are formed in the bottom wall of the first oil groove; the first oil way is arranged in the core body and is communicated with the first grooves in a one-to-one correspondence manner; the first oil passage extends from the first side wall to the second side wall; the second oil way is arranged in the core body and is communicated with the second grooves in a one-to-one correspondence manner; the second oil passage extends from the first side wall to the second side wall. The utility model can uniformly distribute cooling oil to each branch, ensure the balance of heat dissipation and ensure the stable operation of the motor.
Description
Technical Field
The utility model relates to the technical field of oil-cooled motors, in particular to a stator core with uniform oil supply and an oil-cooled motor.
Background
The existing stator core mainly conveys cooling oil to oil paths on two sides through a main oil path, and the oil paths on two sides convey the cooling oil to the inside of the winding and the stator core to finish heat dissipation.
However, the existing iron core main oil way is larger in structural difference between the branches, for example, the branch close to the oil inlet is wider, the branch is further divided into a plurality of branches, the flow of the main oil way is limited, so that the branch far away from the oil inlet cannot be uniformly divided, uneven oil supply occurs, the effect of oil cooling is further caused to be unbalanced locally, even the situation of local overheating occurs, the heat dissipation is uneven, and the operation of the whole motor is not facilitated.
Disclosure of Invention
The utility model aims to provide a stator core capable of uniformly supplying oil and an oil-cooled motor, which can uniformly distribute cooling oil to all branches, ensure heat dissipation balance and ensure stable operation of the motor.
In order to solve the above technical problems, the present utility model provides a stator core for uniform oil supply, comprising:
a core having an outer peripheral wall, a first sidewall and a second sidewall on both sides of the outer peripheral wall;
the first oil groove is formed in the peripheral wall and is arranged along the circumferential direction of the core body; a plurality of first grooves and a plurality of second grooves are formed in the bottom wall of the first oil groove;
the first oil paths are arranged in the core body and are communicated with the first grooves in a one-to-one correspondence manner; the first oil passage extends from the first side wall to the second side wall;
the second oil paths are arranged in the core body and are communicated with the second grooves in a one-to-one correspondence manner; the second oil passage extends from the first side wall to the second side wall.
According to the stator core with uniform oil supply, the utility model has at least the following beneficial effects:
the stator core for uniform oil supply is provided with the first oil groove, the first oil groove is provided with the first groove communicated with the first oil way and the second groove communicated with the second oil way, the first branch and the second branch are identical in structure, cooling oil can be uniformly distributed to the first oil way and the second oil way through the corresponding first groove and the second groove, the uniform distribution of the branches is ensured, the heat dissipation balance is ensured, and the stable operation of the motor is ensured.
Preferably, the first oil groove is an annular groove communicated end to end.
Preferably, the first oil groove is located at an intermediate position of the outer peripheral wall of the core.
Preferably, the first grooves and the second grooves are staggered along the circumferential direction of the core body.
Preferably, the first oil path and the second oil path are staggered.
Preferably, the first oil passage and the second oil passage are both disposed along an axial direction of the core.
Preferably, the core body is further provided with a wire embedding groove, and the first oil way and the second oil way are respectively staggered with the wire embedding groove.
Preferably, the core body comprises a first punching sheet, a second punching sheet, a third punching sheet and a fourth punching sheet which are sequentially laminated; wherein, the liquid crystal display device comprises a liquid crystal display device,
the first oil groove is formed in the second punching sheet and the third punching sheet;
the first groove is formed in the second punching sheet, and the second groove is formed in the third punching sheet;
the first oil way and the second oil way respectively penetrate through the first punching sheet, the second punching sheet, the third punching sheet and the fourth punching sheet.
The utility model also provides an oil-cooled motor, comprising:
the shell is provided with an oil inlet;
the uniformly oil-supplied stator core according to any one of the above claims, wherein the uniformly oil-supplied stator core is mounted inside the housing, and the first oil groove is provided corresponding to the oil inlet.
According to the oil-cooled motor, the utility model has at least the following beneficial effects:
according to the oil cooling motor, the oil inlet is formed in the shell and corresponds to the first oil groove, so that cooling oil is introduced into the first oil groove from the oil inlet, and enters the first groove and the second groove in sequence when flowing along the first oil groove, and the cooling oil can enter the first oil way through the first groove and enter the second oil way through the second groove, so that uniform distribution of the cooling oil is realized, and heat dissipation balance is ensured.
Preferably, the oil-cooled motor further comprises a first oil ring and a second oil ring, which are respectively arranged at two sides of the stator core for uniform oil supply; wherein, the liquid crystal display device comprises a liquid crystal display device,
the first oil ring is provided with a first oil cavity communicated with the first oil path; the first oil ring is provided with a first oil injection hole communicated with the first oil cavity;
the second oil ring is provided with a second oil cavity communicated with the second oil path; and the second oil ring is provided with a second oil injection hole communicated with the second oil cavity.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of a stator core for uniform oil supply according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of an overall oil path structure provided in an embodiment of the present utility model;
FIG. 3 is a schematic structural view of a first and fourth die according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a second punch and a third punch according to an embodiment of the present utility model.
Reference numerals:
1. a core; 11. a first punching sheet; 12. a second punching sheet; 121. a first groove; 13. a third punching sheet; 131. a second groove; 14. fourth punching; 15. an outer peripheral wall; 16. a first sidewall; 17. a second sidewall; 18. wire embedding grooves; 2. a first oil groove; 3. a first oil passage; 4. and a second oil passage.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1 and 2, a preferred embodiment of the present utility model provides a stator core for uniform oil supply, comprising a core body 1, a first oil groove 2, a plurality of first oil passages 3 and a plurality of second oil passages 4, the core body 1 having an outer circumferential wall 15 and first and second side walls 16 and 17 located at both sides of the outer circumferential wall 15; the first oil groove 2 is formed in the peripheral wall 15, and the first oil groove 2 is formed along the circumferential direction of the core body 1; the bottom wall of the first oil groove 2 is provided with a plurality of first grooves 121 and a plurality of second grooves 131; the first oil ways 3 are arranged in the core body 1, and the first oil ways 3 are communicated with the first grooves 121 in a one-to-one correspondence manner; the first oil passage 3 extends from the first side wall 16 to the second side wall 17; the second oil passages 4 are arranged in the core body 1, and the second oil passages 4 are communicated with the second grooves 131 in a one-to-one correspondence manner; the second oil passage 4 extends from the first side wall 16 to the second side wall 17.
In the using process of the stator core with uniform oil supply, the cooling oil enters from the first oil groove 2, flows along the first oil groove 2, firstly enters into the first groove 121, enters into the first oil way 3 from the first groove 121, then enters into the second oil way 4 from the second groove 131, so that the cooling oil is uniformly distributed into the first oil way 3 and the second oil way 4, and the cooling oil repeats the process along the first oil groove 2 until the cooling oil spreads over all the first oil way 3 and the second oil way 4, and uniform heat dissipation is realized.
In some preferred embodiments of the present utility model, the first oil groove 2 is an annular groove communicating end to end. In this way, the annular groove can ensure that cooling oil flows through the whole stator core, and the cooling effect is ensured.
In some preferred embodiments of the present utility model, the first oil groove 2 is located at an intermediate position of the outer circumferential wall 15 of the core 1. In this way, the areas and the time of the cooling oil flowing through both sides of the first oil passage 3 and the second oil passage 4 are ensured to be the same, and the uniform balance of heat dissipation is ensured.
In some preferred embodiments of the present utility model, the first oil passage 3 and the second oil passage 4 are each provided along the axial direction of the core 1. So, the distance of first oil circuit 3 and second oil circuit 4 is shortest, and adopts a plurality of first oil circuit 3 and second oil circuit 4, can guarantee that the cooling oil dispels the heat to stator core simultaneously, quick and even, improves radiating efficiency and balance.
In some preferred embodiments of the present utility model, the first grooves 121 and the second grooves 131 are staggered in the circumferential direction of the core 1. In this way, the first oil grooves 2 can supply oil to the first grooves 121 and the second grooves 131 in a staggered manner, so that the uniformity of oil supply is further ensured.
In some preferred embodiments of the present utility model, the first oil passage 3 and the second oil passage 4 are staggered. Thus, the first oil path 3 and the second oil path 4 are staggered and can be matched with the first groove 121 and the second groove 131 which are staggered, so that the oil pressure of two sides is further ensured to be the same, and the flow rate of cooling oil of two sides is ensured to be the same.
In some preferred embodiments of the present utility model, the core 1 further has a wire embedding groove 18, and the first oil path 3 and the second oil path 4 are respectively staggered with the wire embedding groove 18. In this way, the shortage of rigidity of the core 1 caused by the correspondence of the first oil passage 3 and the second oil passage 4 with the wire insertion groove 18 can be avoided, and the stability of the core 1 can be improved.
Referring to fig. 3 and 4, in some preferred embodiments of the present utility model, the core 1 includes a first sheet 11, a second sheet 12, a third sheet 13, and a fourth sheet 14 laminated in this order; wherein, the liquid crystal display device comprises a liquid crystal display device,
the first oil groove 2 is formed in the second punching sheet 12 and the third punching sheet 13;
the first groove 121 is formed in the second punching sheet, and the second groove 131 is formed in the third punching sheet 13;
the first oil passage 3 and the second oil passage 4 penetrate the first punched piece 11, the second punched piece 12, the third punched piece 13, and the fourth punched piece 14, respectively.
Specifically, the first punching sheet 11 and the fourth punching sheet 14 have the same structure, the second punching sheet 12 and the third punching sheet 13 have the same structure, and the plurality of punching sheets are sequentially laminated, so that the stator core with uniform oil supply is convenient to manufacture. The diameters of the second punching sheet 12 and the third punching sheet 13 are smaller than those of the first punching sheet 11, the second punching sheet 12 and the third punching sheet 13 are spliced, and the first oil groove 2 is formed because the second punching sheet 12, the third punching sheet 13 and the first punching sheet 11 and the fourth punching sheet 14 have diameter differences respectively.
The preferred embodiment of the utility model also provides an oil-cooled motor, which comprises a shell, wherein the shell is provided with an oil inlet;
the stator core for uniform oil supply according to any one of the above claims, wherein the stator core for uniform oil supply is installed inside the housing, and the first oil groove 2 is provided corresponding to the oil inlet.
The outer peripheral wall 15 of the core 1 is closely attached to the inner wall of the housing, and the inner wall of the housing and the first oil groove 2 form a corresponding oil passage.
In some preferred embodiments of the present utility model, the oil-cooled motor further includes first and second oil rings respectively provided at both sides of the stator core for uniform oil supply; wherein the first oil ring is provided with a first oil chamber communicated with the first oil path 3; the first oil ring is provided with a first oil injection hole communicated with the first oil cavity; the second oil ring is provided with a second oil chamber communicated with the second oil path 4; the second oil ring is provided with a second oil injection hole communicated with the second oil cavity.
The preferred embodiment of the utility model provides a stator core with uniform oil supply and an oil-cooled motor, which are compared with the prior art:
the stator core for uniform oil supply is provided with the first oil groove 2, the first oil groove 2 is provided with the first groove 121 communicated with the first oil way 3 and the second groove 131 communicated with the second oil way 4, the first branch and the second branch have the same structure, cooling oil can be uniformly distributed to the first oil way 3 and the second oil way 4 through the first groove 121 and the second groove 131 correspondingly, the uniform oil distribution of the branches is ensured, the heat dissipation balance is ensured, and the stable operation of the motor is ensured. According to the oil cooling motor, the oil inlet is formed in the shell and corresponds to the first oil groove 2, so that cooling oil is introduced into the first oil groove 2 from the oil inlet, and enters the first groove 121 and the second groove 131 in sequence when flowing along the first oil groove 2, and the cooling oil can enter the first oil way 3 through the first groove 121 and enter the second oil way 4 through the second groove 131, so that uniform distribution of the cooling oil is realized, and heat dissipation balance is ensured.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (10)
1. A stator core for uniform oil supply, comprising:
a core body (1), wherein the core body (1) is provided with an outer peripheral wall (15), and a first side wall (16) and a second side wall (17) which are positioned at two sides of the outer peripheral wall (15);
the first oil groove (2) is formed in the peripheral wall (15), and the first oil groove (2) is arranged along the circumferential direction of the core body (1); a plurality of first grooves (121) and a plurality of second grooves (131) are formed in the bottom wall of the first oil groove (2);
the first oil paths (3) are arranged in the core body (1), and the first oil paths (3) are communicated with the first grooves (121) in a one-to-one correspondence manner; the first oil passage (3) extends from the first side wall (16) to the second side wall (17);
a plurality of second oil passages (4) with the same structure as the first oil passages (3), wherein the second oil passages (4) are arranged in the core body (1), and the second oil passages (4) are communicated with the second grooves (131) in a one-to-one correspondence manner; the second oil passage (4) extends from the first side wall (16) to the second side wall (17).
2. The uniformly oil-fed stator core as claimed in claim 1, wherein: the first oil groove (2) is an annular groove communicated end to end.
3. The uniformly oil-fed stator core as claimed in claim 1, wherein: the first oil groove (2) is positioned at the middle position of the peripheral wall (15) of the core body (1).
4. The uniformly oil-fed stator core as claimed in claim 1, wherein: the first grooves (121) and the second grooves (131) are staggered along the circumferential direction of the core body (1).
5. The uniformly oil-fed stator core as set forth in claim 4, wherein: the first oil way (3) and the second oil way (4) are arranged in a staggered mode.
6. The uniformly oil-fed stator core as claimed in claim 1, wherein: the first oil way (3) and the second oil way (4) are arranged along the axial direction of the core body (1).
7. The uniformly oil-fed stator core as claimed in claim 1, wherein: the core body (1) is further provided with a wire embedding groove (18), and the first oil way (3) and the second oil way (4) are respectively staggered with the wire embedding groove (18).
8. The uniformly oil-fed stator core as claimed in claim 1, wherein: the core body (1) comprises a first punching sheet (11), a second punching sheet (12), a third punching sheet (13) and a fourth punching sheet (14) which are sequentially laminated; wherein, the liquid crystal display device comprises a liquid crystal display device,
the first oil groove (2) is formed in the second punching sheet (12) and the third punching sheet (13);
the first groove (121) is formed in the second punching sheet, and the second groove (131) is formed in the third punching sheet (13);
the first oil way (3) and the second oil way (4) respectively penetrate through the first punching sheet (11), the second punching sheet (12), the third punching sheet (13) and the fourth punching sheet (14).
9. An oil-cooled motor, comprising:
the shell is provided with an oil inlet;
the uniformly oil-supplied stator core according to any one of claims 1 to 8, which is mounted inside the housing, the first oil groove (2) being provided in correspondence with the oil inlet.
10. The oil-cooled motor of claim 9, wherein: the oil-cooled motor further comprises a first oil ring and a second oil ring, wherein the first oil ring and the second oil ring are respectively arranged on two sides of the stator core for uniform oil supply; wherein, the liquid crystal display device comprises a liquid crystal display device,
the first oil ring is provided with a first oil cavity communicated with the first oil way (3); the first oil ring is provided with a first oil injection hole communicated with the first oil cavity;
the second oil ring is provided with a second oil cavity communicated with the second oil way (4); and the second oil ring is provided with a second oil injection hole communicated with the second oil cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223039172.9U CN218940795U (en) | 2022-11-15 | 2022-11-15 | Stator core capable of uniformly supplying oil and oil-cooled motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223039172.9U CN218940795U (en) | 2022-11-15 | 2022-11-15 | Stator core capable of uniformly supplying oil and oil-cooled motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218940795U true CN218940795U (en) | 2023-04-28 |
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ID=86084481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223039172.9U Active CN218940795U (en) | 2022-11-15 | 2022-11-15 | Stator core capable of uniformly supplying oil and oil-cooled motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218940795U (en) |
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2022
- 2022-11-15 CN CN202223039172.9U patent/CN218940795U/en active Active
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Effective date of registration: 20240313 Granted publication date: 20230428 |
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