CN110504765A - A kind of stator punching, stator core, stator, motor and air-conditioning device - Google Patents
A kind of stator punching, stator core, stator, motor and air-conditioning device Download PDFInfo
- Publication number
- CN110504765A CN110504765A CN201910724166.0A CN201910724166A CN110504765A CN 110504765 A CN110504765 A CN 110504765A CN 201910724166 A CN201910724166 A CN 201910724166A CN 110504765 A CN110504765 A CN 110504765A
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- China
- Prior art keywords
- circle
- punching
- stator
- arc surface
- stator punching
- 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.)
- Pending
Links
- 238000004080 punching Methods 0.000 title claims abstract description 152
- 238000004378 air conditioning Methods 0.000 title claims abstract description 7
- 239000000178 monomer Substances 0.000 claims abstract description 45
- 238000005452 bending Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention provides a kind of stator punching, stator core, stator, motor and air-conditioning devices, are related to technical field of motors, solve chain type stator punching existing in the prior art in yoke portion junction magnetic energy and lose larger technical problem.The stator punching includes multiple sequentially connected punching monomers, wherein, two neighboring punching monomer is connected by yoke portion connecting bridge, and when multiple punching monomers encompass circle and form stator punching, yoke portion connecting bridge can be located on the outside of the outer circle at the stator punching formed after circle.Stator punching of the invention can make two neighboring punching sheet unit in the binding face at bowlder with sufficient length, so that the loss of magnetic energy is preferably minimized, and then improve the performance of motor.
Description
Technical field
The present invention relates to technical field of motors, more particularly, to a kind of stator punching, stator core, stator, motor and sky
Adjust device.
Background technique
Stator is usually to be made of stator core, stator winding and base three parts.And stator core is by multi-disc stator
Punching is formed by stacking.Stator punching is usually continuous whole ring structure, and the middle part of stator punching is hollow interior circular hole, outer circle
The punching slot radially extended along stator punching is equipped between hollow interior circular hole.In motor manufacturing technology, chain type stator punching
It is directly to be punched out full wafer bar shaped stator punching by silicon steel sheet, curved circle is then laminated by this kind of stator punching, finally in stitching portion
It is welded.
Applicants have discovered that the prior art at least has following technical problem: chain type stator punching in the prior art includes
Multiple sequentially connected punching monomers, and connected between two neighboring punching monomer by yoke portion connecting bridge.However it is existing
Fitting length in chain type stator punching between two neighboring punching monomer is shorter, and processing technology precision is caused not reach requirement,
It is easy to appear biggish magnetic energy loss in yoke portion junction at this time, so that the efficiency of motor declines.In addition, being rushed to chain type stator
When piece carries out surrounding welding, be easy to appear apparent bending stress, thus influence stator core at circle precision.
Summary of the invention
The purpose of the present invention is to provide a kind of stator punching, stator core, stator, motor and air-conditioning devices, to solve
Chain type stator punching existing in the prior art loses larger technical problem in yoke portion junction magnetic energy.It is provided by the invention all
Many technical effects elaboration as detailed below that optimal technical scheme in more technical solutions can be generated.
To achieve the above object, the present invention provides following technical schemes:
A kind of stator punching provided by the invention, including multiple sequentially connected punching monomers, wherein two neighboring punching
It is connected between monomer by yoke portion connecting bridge, when multiple punching monomers encompass circle and form stator punching, the yoke
Portion's connecting bridge can be located on the outside of the outer circle at the stator punching formed after circle.
According to a kind of preferred embodiment, when multiple punching monomers encompass circle and form stator punching, described
Bridge opening is formed between yoke portion connecting bridge and the stator punching, also, the bridge opening is located at into the stator formed after circle
On the outside of the outer circle of punching, so that the fitting length in the stator punching formed between the two neighboring punching monomer is institute
State the distance between yoke portion inner circle and the yoke portion outer circle of stator punching.
According to a kind of preferred embodiment, yoke portion connecting bridge includes the first joint face and the second joint face, wherein institute
It states the second joint face and is arranged in a manner of closer to the punching monomer relative to first joint face, and described first connects
The both ends of junction and second joint face are respectively connected to the outer circle that the punching monomer is used to form the stator punching
Side.
According to a kind of preferred embodiment, first joint face includes being located in the middle the first arc surface and positioned at two
End and the second arc surface for being connected with the punching monomer, wherein the center of circle of circle where first arc surface and described the
The center of circle of circle is located at the outer circle two sides of the stator punching where two arc surfaces.
According to a kind of preferred embodiment, the center of circle of circle is located at the outer circle of the stator punching where first arc surface
Inside；The center of circle of circle is located on the outside of the outer circle of the stator punching where second arc surface.
According to a kind of preferred embodiment, the radius R2 of circle where first arc surface and second arc surface place
Round radius R1 meets following relationship: R2 > R1.
According to a kind of preferred embodiment, second joint face includes being located in the middle third arc surface and positioned at both ends
And the 4th arc surface being connected with the punching monomer, wherein the center of circle of circle is located at described fixed where the third arc surface
The outer inner round side of sub- punching；The center of circle of circle is located on the outside of the outer circle of the stator punching where 4th arc surface.
According to a kind of preferred embodiment, the radius R3 of circle where the third arc surface and the 4th arc surface place
Round radius R4 meets following relationship: R3 > R4.
According to a kind of preferred embodiment, second joint face is located at the center of circle between the 4th arc surface at both ends
Meet following relationship: L > 2R2 away from the radius R2 with circle where the first arc surface.
The present invention also provides a kind of stator cores, including the stator punching.
The present invention also provides a kind of stators, including the stator core.
The present invention also provides a kind of motors, including the stator.
The present invention also provides a kind of air-conditioning devices, including the motor.
Based on the above-mentioned technical proposal, the stator punching of the embodiment of the present invention at least has the following technical effect that
Stator punching provided by the invention includes multiple sequentially connected punching monomers, is led between two neighboring punching monomer
Yoke portion connecting bridge is crossed to be connected, multiple punching monomers encompass circle form stator punching when, yoke portion connecting bridge can be located at
On the outside of the outer circle of the stator punching formed after circle.Stator punching of the invention makes the yoke portion connection for connecting two neighboring punching monomer
On the outside of the outer circle of the stator punching that bridge location is formed after at circle, so that two adjacent punching sheet units can have encompassing bowlder
There is the binding face of sufficient length, and then is preferably minimized the loss of magnetic energy.On the other hand, stator punching of the invention is piecing together
After circle, the bridge opening between yoke portion connecting bridge and stator punching is located on the outside of the outer circle at the stator punching formed after circle, makes
The range that the magnetic line of force has also been enlarged while obtaining between two neighboring punching sheet unit with enough fitting length, reduces magnetic energy
Loss.
On the other hand, yoke portion connecting bridge of the invention includes the first joint face and the second joint face, also, the first joint face
Including being located in the middle the first arc surface and positioned at both ends and the second arc surface for being connected with punching monomer；Second joint face
Including being located in the middle third arc surface and positioned at both ends and the 4th arc surface that is connected with punching monomer；The setting of arc surface
So that stator punching is surrounding or bending to bowlder, stator punching can be bent around the rotation center positioned at third arc surface,
Bending stress suffered by the outside of yoke portion connecting bridge is reduced, stator punching Cheng Yuanhou inner circle circularity equally accurate is improved, reduces
The punching press difficulty of stator punching.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is stator punching of the invention not at the structural schematic diagram of bowlder；
Fig. 2 is the enlarged drawing in Fig. 1 at I；
Fig. 3 is the structural schematic diagram of stator punching of the invention at bowlder；
Fig. 4 is the enlarged drawing in Fig. 3 at I；
Fig. 5 is that the yoke portion connecting bridge magnetic line of force in Fig. 3 at I moves towards schematic diagram；
Fig. 6 is enlarged view at I in Fig. 1；
Fig. 7 is stator punching of the invention not at the three-dimensional structure diagram of bowlder.
In figure: 10- punching monomer；11- yoke portion connecting bridge；The second arc surface of 12-；The 4th arc surface of 13-；The circle of 14- first
Cambered surface；15- third arc surface；16- rotation center；17- bridge opening；The first joint face of 18-；The second joint face of 19-；L- distance of center circle.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
1 to Fig. 7 technical solution of the present invention is described in detail with reference to the accompanying drawings of the specification.
The present invention provides a kind of stator punchings, as shown in Figure 1, including multiple sequentially connected punching monomers 10.Wherein,
It is connected between two neighboring punching monomer 10 by yoke portion connecting bridge 11.Circle, which is encompassed, in multiple punching monomers 10 forms stator
When punching, yoke portion connecting bridge 11 can be located on the outside of the outer circle at the stator punching formed after circle.To be surrounded in punching monomer
When the rotation of rotation center 16 forms circular ring shape stator punching, there can be the patch of sufficient length between two neighboring punching monomer
And then electric efficiency and motor performance are improved so that magnetic energy loss is reduced to minimum in conjunction face.
Preferably, as shown in Figures 3 and 4, it when multiple punching monomers 10 encompass circle and form stator punching, is connected in yoke portion
Bridge opening 17 is formed between bridge 11 and stator punching.And, it is preferable that bridge opening 17 is located at into the outer of the stator punching formed after circle
Circle outside, so that the fitting length in the stator punching formed between two neighboring punching monomer 10 is in the yoke portion of stator punching
The distance between round and yoke portion outer circle.Therefore, as shown in figure 5, expanding the model of the magnetic line of force after stator punching pieces together circle
It encloses, reduces magnetic energy loss, improve motor performance.
Preferably, as shown in Figure 2 and Figure 4, yoke portion connecting bridge 11 includes the first joint face 18 and the second joint face 19.It is preferred that
Ground, the second joint face 19 are arranged in a manner of closer to punching monomer 10 relative to the first joint face 18.And the first joint face
18 and second the both ends of joint face 19 be respectively connected to the side that punching monomer 10 is used to form the outer circle of stator punching.To make
Yoke portion connecting bridge 11 is obtained on the outside of the outer circle when punching monomer forms stator punching at circle positioned at stator punching.Preferably, first
Joint face 18 includes being located in the middle the first arc surface 14 and positioned at both ends and the second circular arc for being connected with punching monomer 10
Face 12.Preferably, the center of circle of circle where the first arc surface 14 and the center of circle of circle where the second arc surface 12 are located at stator punching
The outer circle two sides of piece.That is, the center of circle of circle is located at not where the center of circle of circle where the first arc surface 14 and the second arc surface 12
It is equidirectional, convenient for stator punching at bowlder reduce yoke portion connecting bridge on the outside of bending stress.Preferably, 14 institute of the first arc surface
It is located at the outer inner round side of stator punching in the round center of circle；The center of circle of circle is located at outside the outer circle of stator punching where second arc surface 12
Side.Preferably, the radius R1 of circle where the radius R2 and the second arc surface 12 of circle where the first arc surface 14 meets following relationship:
R2 > R1.The first arc surface and the second arc surface for meeting above-mentioned relation can be such that the first joint face bending of yoke portion interconnecting piece answers
Power is preferably minimized.
Preferably, the second joint face 19 include be located in the middle third arc surface 15 and be located at two sides and with punching monomer 10
The 4th arc surface 13 being connected.The center of circle of circle is located at the outer inner round side of stator punching where third arc surface 15；4th circular arc
The center of circle of circle is located on the outside of the outer circle of stator punching where face 13.Preferably, the radius R3 of circle and the where third arc surface 15
The radius R4 of circle meets following relationship: R3 > R4 where four arc surfaces 13.Preferably, the second joint face 19 is located at two of two sides
The radius R2 of circle meets following relationship: L > 2R2 where the distance of center circle L of 4th arc surface 13 and the first arc surface 14.So that
Punching monomer is encompassing bowlder, can be bent around the rotation center 16 of third arc surface 15, so that yoke portion connecting bridge
Bending stress be preferably minimized.The punching press difficulty for reducing stator punching improves stator punching in the inner circle circularity of Cheng Yuanhou
Equally accurate.
Yoke portion connecting bridge is arranged on the outside of the outer circle of the stator punching of Cheng Yuanhou by stator punching provided by the invention,
So that having enough fitting length between two neighboring punching monomer, the range of the magnetic line of force is increased, reduces magnetic energy loss,
And then improve motor performance.In addition, the first arc surface of yoke portion connecting bridge, the second arc surface, third arc surface and the 4th circle
The design of cambered surface enables to interconnecting piece bending stress in bending in yoke portion to be preferably minimized, and improves the stator punching of Cheng Yuanhou
Inner circle circularity reduces the punching press difficulty of stator punching.
In accordance with another preferred embodiment of the present invention, the present invention also provides a kind of stator cores, determine including described
Sub- punching.
In accordance with another preferred embodiment of the present invention, the present invention also provides a kind of stators, including the stator iron
Core.
According to another preferred method of implementation of the present invention, the present invention also provides a kind of motors, including the stator.
According to another preferred method of implementation of the present invention, the present invention also provides a kind of air-conditioning devices, including described
Motor.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (13)
1. a kind of stator punching, which is characterized in that including multiple sequentially connected punching monomers (10), wherein two neighboring punching
It is connected between piece monomer (10) by yoke portion connecting bridge (11), encompasses circle in multiple punching monomers (10) and form stator
When punching, yoke portion connecting bridge (11) can be located on the outside of the outer circle at the stator punching formed after circle.
2. stator punching according to claim 1, which is characterized in that encompass circle in multiple punching monomers (10)
When at stator punching, it is formed between yoke portion connecting bridge (11) and the stator punching bridge opening (17), also, the bridge
Hole (17) is located on the outside of the outer circle at the stator punching formed after circle, so that two neighboring in the stator punching formed
Fitting length between the punching monomer (10) is the distance between yoke portion inner circle and yoke portion outer circle of the stator punching.
3. stator punching according to claim 1, which is characterized in that yoke portion connecting bridge (11) includes the first joint face
(18) and the second joint face (19), wherein second joint face (19) relative to first joint face (18) with closer to
The mode of the punching monomer (10) is arranged, and the both ends of first joint face (18) and second joint face (19) point
It is not connected to the side that the punching monomer (10) is used to form the outer circle of the stator punching.
4. stator punching according to claim 3, which is characterized in that first joint face (18) includes being located in the middle
First arc surface (14) and the second arc surface (12) for being located at both ends and being connected with the punching monomer (10), wherein institute
The center of circle of circle is located at the stator where the center of circle of circle where stating the first arc surface (14) and second arc surface (12)
The outer circle two sides of punching.
5. stator punching according to claim 4, which is characterized in that the center of circle position of circle where first arc surface (14)
In the outer inner round side of the stator punching；The center of circle of circle is located at the outer circle of the stator punching where second arc surface (12)
Outside.
6. stator punching according to claim 5, which is characterized in that the radius R2 of circle where first arc surface (14)
Meet following relationship: R2 > R1 with the radius R1 of circle where second arc surface (12).
7. stator punching according to claim 3, which is characterized in that second joint face (19) includes being located in the middle
Third arc surface (15) and the 4th arc surface (13) for being located at both ends and being connected with the punching monomer (10), wherein described
The center of circle of circle is located at the outer inner round side of the stator punching where third arc surface (15)；Circle where 4th arc surface (13)
The center of circle be located on the outside of the outer circle of the stator punching.
8. stator punching according to claim 7, which is characterized in that the radius R3 of circle where the third arc surface (15)
Meet following relationship: R3 > R4 with the radius R4 of circle where the 4th arc surface (13).
9. stator punching according to claim 8, which is characterized in that second joint face (19) is located at the described of both ends
The radius R2 of circle meets following relationship: L > where distance of center circle (L) and the first arc surface (14) between 4th arc surface (13)
2R2。
10. a kind of stator core, which is characterized in that including the described in any item stator punchings of claim 1 to 9.
11. a kind of stator, which is characterized in that including stator core described in any one of claim 10.
12. a kind of motor, which is characterized in that including the stator described in claim 11.
13. a kind of air-conditioning device, which is characterized in that including the motor described in claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724166.0A CN110504765A (en) | 2019-08-07 | 2019-08-07 | A kind of stator punching, stator core, stator, motor and air-conditioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724166.0A CN110504765A (en) | 2019-08-07 | 2019-08-07 | A kind of stator punching, stator core, stator, motor and air-conditioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110504765A true CN110504765A (en) | 2019-11-26 |
Family
ID=68586347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910724166.0A Pending CN110504765A (en) | 2019-08-07 | 2019-08-07 | A kind of stator punching, stator core, stator, motor and air-conditioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110504765A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001008388A (en) * | 1999-06-18 | 2001-01-12 | Yaskawa Electric Corp | Core structure for smooth core armature ac servo motor |
| CN101897104A (en) * | 2008-01-23 | 2010-11-24 | 株式会社安川电机 | Laminated iron core for rotor |
| CN102868239A (en) * | 2011-07-08 | 2013-01-09 | 日本电产高科电机株式会社 | Stator core, motor and method for manufacturing motor |
| CN208062899U (en) * | 2018-05-08 | 2018-11-06 | 珠海凯邦电机制造有限公司 | A kind of chain type stator core stamping sheet and stator core |
| CN109309412A (en) * | 2018-11-20 | 2019-02-05 | 卧龙电气集团股份有限公司 | The manufacturing method of stator, motor and stator |
| CN210577967U (en) * | 2019-08-07 | 2020-05-19 | 珠海凯邦电机制造有限公司 | Stator punching sheet, stator core, stator, motor and air conditioning device |
-
2019
- 2019-08-07 CN CN201910724166.0A patent/CN110504765A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001008388A (en) * | 1999-06-18 | 2001-01-12 | Yaskawa Electric Corp | Core structure for smooth core armature ac servo motor |
| CN101897104A (en) * | 2008-01-23 | 2010-11-24 | 株式会社安川电机 | Laminated iron core for rotor |
| CN102868239A (en) * | 2011-07-08 | 2013-01-09 | 日本电产高科电机株式会社 | Stator core, motor and method for manufacturing motor |
| JP2013021784A (en) * | 2011-07-08 | 2013-01-31 | Nidec Techno Motor Corp | Stator core, motor with stator core and method for manufacturing motor |
| CN208062899U (en) * | 2018-05-08 | 2018-11-06 | 珠海凯邦电机制造有限公司 | A kind of chain type stator core stamping sheet and stator core |
| CN109309412A (en) * | 2018-11-20 | 2019-02-05 | 卧龙电气集团股份有限公司 | The manufacturing method of stator, motor and stator |
| CN210577967U (en) * | 2019-08-07 | 2020-05-19 | 珠海凯邦电机制造有限公司 | Stator punching sheet, stator core, stator, motor and air conditioning device |
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