CN110401270A - Stator structure, motor and compressor - Google Patents
Stator structure, motor and compressor Download PDFInfo
- Publication number
- CN110401270A CN110401270A CN201910760262.0A CN201910760262A CN110401270A CN 110401270 A CN110401270 A CN 110401270A CN 201910760262 A CN201910760262 A CN 201910760262A CN 110401270 A CN110401270 A CN 110401270A
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- stator
- vibration
- proof structure
- width
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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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Compressor (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
It includes: stator body that the present invention, which provides a kind of stator structure, motor and compressor, stator structure, and stator body is mounted in the shell of motor；The circumferential direction of the outer circle of stator body is equipped with vibration-proof structure, and vibration-proof structure is transferred to the vibrational energy of shell for reducing stator body；Stator tooth is equipped in stator body, vibration-proof structure is arranged on the extended line of the radial line where stator tooth.The present invention adds the vibration-proof structure of kidney-shaped or arc in stator tooth relative position, can effectively reduce the path of vibration transmitting, reduces vibration and the noise of compressor entirety.Stator can be reduced because of the increased iron loss of interference fit stress by mitigating hole in the lower part Jia Jia stress of vibration-proof structure, improve electric efficiency.Stator can also be reduced simultaneously because hot jacket influences the deformation generated, improve concentricity, further increase the efficiency of motor and reduce vibration of compressor and noise.
Description
Technical field
The invention belongs to technical field of motors, and in particular to a kind of stator structure, motor and compressor.
Background technique
When existing compressor electric motor and shell assemble, shell inner circle is shiny surface, and stator outer circle is also other than trimming
Motor stator is fixed on shell by hot jacket by interference fit connection by shiny surface, the outer circle and shell inner circle of stator core
It is interior, due to shell uneven heating or part itself fault of construction, it may cause phenomena such as stator deforms after the assembly is completed, from
And concentricity is influenced, the efficiency of motor can be reduced and increases compressor noise, and motor oscillating mainly passes through stator core yoke
Portion is transmitted on shell, if the contact surface of motor and shell is larger to will increase vibration of compressor and noise.
Summary of the invention
Therefore, the technical problem to be solved by the present invention is to the vibrations of motor to be transferred on shell, increase product vibration and
Noise, to provide a kind of stator structure, motor and compressor.
To solve the above-mentioned problems, the present invention provides a kind of stator structure, comprising:
Stator body, stator body are mounted in the shell of motor；
The circumferential direction of the outer circle of stator body is equipped with vibration-proof structure, and vibration-proof structure is transferred to shell for reducing stator body
Vibrational energy；
Stator tooth is equipped in stator body, vibration-proof structure is arranged on the extended line of the radial line where stator tooth.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, stator slot is equipped in stator body, the quantity N of vibration-proof structure is determined according to the quantity Q of stator slot.
Preferably, if the quantity Q of stator slot is even number, the quantity N=2n of vibration-proof structure, and Q >=2n >=4, wherein n
For positive integer；If the quantity Q of stator slot is odd number, the quantity N=2n+1 of vibration-proof structure, and Q >=2n+1 >=3.
Preferably, vibration-proof structure extends respectively to stator body along the axially extending of stator body, the both ends of vibration-proof structure
Two end faces.
Preferably, vibration-proof structure is the damping column outwardly protruded along the radial line of stator body.
Preferably, vibration-proof structure is equipped with choke, choke can reduce vibration-proof structure perpendicular to stator body
Radial sectional dimension.
Preferably, the width of stator tooth is B, and the width of the vibration-proof structure at choke is C, and C=B.
Preferably, choke is that vibration-proof structure is arranged in towards the groove on two sides of stator body circumferential direction, groove
Including the first groove, the second groove, the first groove, the second groove are symmetrical arranged.
Preferably, vibration-proof structure is the arc damping column for being inclined outwardly protrusion along stator body.
Preferably, the two sides of arc damping column towards stator body circumferential direction are respectively the first arc surface, the second arc surface,
First arc surface, the second arc surface are non-concentric circular arc.
Preferably, the width direction of the line O1O2 and stator tooth of the first arc surface center of circle O1 and the second arc surface center of circle O2
It is identical and equal sized.
Preferably, the first arc surface center of circle O1 is located on the extended line at tooth boots edge of stator body.
Preferably, stress is offered in the corresponding stator body of vibration-proof structure and mitigates hole, and stress mitigates hole site and vibration damping
Structure is corresponding.
Preferably, it is trapezoidal that stress, which mitigates hole,.
Preferably, it is top that stress, which mitigates hole close to the side of stator body outer rim, and stress mitigates hole close to stator body circle
The side of shape be it is following, the width D 1 of top is less than following width D 2.
Preferably, it is A that the width D 1 of top, which is equal to the width B of stator tooth and/or the width of the tooth boots of stator body, under
The width D 2 on side is less than tooth boots width A and/or stress mitigates width B of the top in hole with following distance F less than stator tooth.
Preferably, the distance of the end of vibration-proof structure to stator body outer peripheral surface is H, then 0.8≤H/F≤1.2.
Preferably, it is following to mitigate hole by the distance E Yu stress of two sides towards stator body circumferential direction of vibration-proof structure
Width D 2 is equal.
Preferably, vibration-proof structure is arranged circumferentially along stator body outer circle, and/or, stress mitigates hole along stator body
Outer circle is arranged circumferentially.
A kind of motor, using above-mentioned stator structure.
A kind of compressor, using above-mentioned stator structure.
Stator structure, motor and compressor provided by the invention at least have it is following the utility model has the advantages that
The present invention adds the vibration-proof structure of kidney-shaped or arc in stator tooth relative position, can effectively reduce the road of vibration transmitting
Diameter reduces vibration and the noise of compressor entirety.Stator can be reduced because of mistake by mitigating hole in the lower part Jia Jia stress of vibration-proof structure
The increased iron loss of the stress that is full of improves electric efficiency.Stator can also be reduced simultaneously because hot jacket influences the deformation generated, improved coaxial
Degree further increases the efficiency of motor and reduces vibration of compressor and noise.
Detailed description of the invention
Fig. 1 is the stator structure and shell assembling schematic diagram of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of the stator structure of the embodiment of the present invention one；
Fig. 3 is the local structural graph of the stator structure of the embodiment of the present invention one；
Fig. 4 is the structural schematic diagram of the stator structure of the embodiment of the present invention two；
Fig. 5 is the local structural graph of the stator structure of the embodiment of the present invention two.
Appended drawing reference indicates are as follows:
1, stator body；2, shell；3, vibration-proof structure；4, stator tooth；5, stator slot；6, the first groove；7, the second groove；
8, arc damping column；9, the first arc surface；10, the second arc surface；11, tooth boots；12, stress mitigates hole；13, top；14, under
Side；15, the extended line at tooth boots edge；16, stator yoke.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
In conjunction with shown in Fig. 1 to Fig. 3, the embodiment of the present invention one provides a kind of stator structure, comprising: stator body 1, stator
Ontology 1 is mounted in the shell 2 of motor；The circumferential direction of the outer circle of stator body 1 is equipped with vibration-proof structure 3, and vibration-proof structure 3 is for dropping
Low stator body 1 is transferred to the vibrational energy of shell 2；Stator tooth 4 is equipped in stator body 1, vibration-proof structure 3 is arranged in stator tooth
On the extended line of radial line where 4.
Currently available technology for convenience of shell and stator assembly, using hot jacket etc. all cannot guarantee simultaneously reduce motor to
The vibratory output of shell transmitting.The present invention, which is used, adds vibration-proof structure 3 in 4 relative position of stator tooth, and the position of vibration-proof structure has to
Vibration damping can just be played the role of in the extended position of stator tooth 4, because the stator yoke 16 that the vibration of motor mainly passes through is transmitted
To shell 2, the vibration for being transmitted to shell 2 by stator tooth 4 is relatively weak, directly separates shell 2 with stator yoke 16, stator sheet
The stator tooth 4 corresponding with the contact site of shell 2 of body 1, so that the transmitting of vibration be dramatically reduced.So vibration-proof structure 3 reduces
The path of transmitting is vibrated, vibration and the noise of compressor entirety is reduced, is compared with the prior art, vibration acceleration reduction 0.21~
7.3mm/s2。
In the present embodiment, it is equipped with stator slot 5 in stator body 1, the quantity N of vibration-proof structure 3 is according to the quantity Q of stator slot 5
It determines, if the quantity Q of stator slot 5 is even number, the quantity N=2n of vibration-proof structure 3, and Q >=2n >=4, wherein n is positive whole
Number；If the quantity Q of stator slot 5 is odd number, the quantity N=2n+1 of vibration-proof structure 3, and Q >=2n+1 >=3.If vibration damping knot
The quantity of structure 3 is unsatisfactory for this quantitative relation, then effectiveness in vibration suppression will weaken very much.
In the present embodiment, vibration-proof structure 3 is axially extending along stator body 1, and the both ends of vibration-proof structure 3 extend respectively to fixed
Two end faces of sub- ontology 1.Vibration-proof structure 3 is the damping column outwardly protruded along the radial line of stator body 1.It is set on vibration-proof structure 3
There is choke, choke can reduce the radial sectional dimension perpendicular to stator body 1 of vibration-proof structure 3, the width of stator tooth 4
Degree is B, and the width of the vibration-proof structure 3 at choke is C, and C=B.Vibration-proof structure 3 with choke can reduce vibration transmitting
Path, reduce compressor entirety vibration and noise.
In the present embodiment, choke is that vibration-proof structure 3 is arranged in towards recessed on two circumferential sides of stator body 1
Slot, groove include the first groove 6, the second groove 7, and the first groove 6, the second groove 7 are symmetrical arranged.Outside groove and stator body 1
The outer edge at round edge and vibration-proof structure 3 has a distance, and two groove shortest straight line distances are equal with the facewidth.It is with groove
Vibration-proof structure 3 is in waist type structure, and the sectional area at waist type position is smaller, and the path for vibrating transmitting is small, to reduce the transmitting of vibration.
As shown in Figure 4,5, the another form of vibration-proof structure 3 that the present embodiment two provides, vibration-proof structure 3 are along stator sheet
The arc damping column 8 for being inclined outwardly protrusion of body 1.
In the present embodiment, the two sides of arc damping column 8 towards 1 circumferential direction of stator body are respectively the first arc surface 9, second
Arc surface 10, the first arc surface 9, the second arc surface 10 are non-concentric circular arc, 9 center of circle O1 of the first arc surface and the second arc surface 10
The line O1O2 of center of circle O2 is identical as the width direction of stator tooth 4 and equal sized.First arc surface, 9 center of circle O1 is located at stator
On the extended line 15 at the tooth boots edge of ontology 1.Arc damping column entirety class is suitable for sickle, and the path of arc-shaped shock-absorbing column is longer,
Energy can decay more during vibrating transmitting, and non-concentric circular arc can guarantee the rigidity of structure of shock structure.To arc
The effectiveness in vibration suppression of shape shock structure 8 is best.
In above-mentioned all embodiments, stress is offered in the corresponding stator body 1 of vibration-proof structure 3 and mitigates hole 12, stress is slow
It is corresponding with vibration-proof structure 3 with 12 position of hole.In the corresponding stator body 1 of vibration-proof structure 3 plus stress mitigation hole 12 can reduce
Stator body 1 improves electric efficiency because of the increased iron loss of interference fit stress.Stator body 1 can also be avoided by adding stress to mitigate hole 12
Because hot jacket influences the deformation generated, concentricity is improved, further increase the efficiency of motor and reduces vibration of compressor and noise.For
The assembly method of the effect in enhancing stress mitigation hole 12, stator body 1 and shell 2 is interference fit.
In above-mentioned all embodiments, stress mitigate hole 12 be it is trapezoidal, stress mitigate hole 12 close to the side of 1 outer rim of stator body
For top 13, it is following 14 that stress, which mitigates hole 12 close to the circular side of stator body 1, and the width D 1 of top 13 is less than following 14
Width D 2.
In above-mentioned all embodiments, the width D 1 of top 13 is equal to the width B of stator tooth 4 and/or the tooth of stator body 1
The width of boots 11 is A, and following 14 width D 2 is less than 11 width A of tooth boots and/or stress mitigates the top 13 and following 14 in hole 12
Distance F be less than stator tooth 4 width B.
In above-mentioned all embodiments, the distance of end to 1 outer peripheral surface of stator body of vibration-proof structure 3 is H, then 0.8≤H/F
≤1.2.It can will cause stress with proof stress buffering effect and effectiveness in vibration suppression, when less than 0.8 in the numberical range and mitigate hole
It is excessive, cause aerodynamic noise in compressor operation or damping column is too small is unable to reach effectiveness in vibration suppression, when being greater than 1.2, damping column
Crossing conference makes the yoke portion of stator reduce influence motor magnetic circuit, influences motor performance and reliability.
In above-mentioned all embodiments, the distance E and stress of two sides circumferential towards stator body 1 of vibration-proof structure 3
The width D 2 for mitigating hole 12 following 14 is equal.
In above-mentioned all embodiments, vibration-proof structure 3 is arranged circumferentially along 1 outer circle of stator body, and/or, stress mitigates
Hole 12 is arranged circumferentially along 1 outer circle of stator body.Stator tooth 4 uses parallel teeth, and stator slot 5 uses parallel slot.
The stator structure of the application adds the vibration-proof structure of kidney-shaped or arc in stator tooth relative position, can effectively reduce
The path of transmitting is vibrated, vibration and the noise of compressor entirety are reduced.Mitigating hole in the lower part Jia Jia stress of vibration-proof structure can be with
Stator is reduced because of the increased iron loss of interference fit stress, improves electric efficiency.Stator can also be reduced simultaneously because hot jacket influences generation
Deformation improves concentricity, further increases the efficiency of motor and reduces vibration of compressor and noise.
It is compared with the prior art, the product vibration acceleration of the application stator structure reduces 0.21~7.3mm/s2, stator
Stress iron loss reduces 20~27%, and electric efficiency improves 0.25~0.98%, and circulation area increases 85~97%.
A kind of motor, using above-mentioned stator structure.
A kind of compressor, using above-mentioned stator structure.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (21)
1. a kind of stator structure characterized by comprising
Stator body (1), the stator body (1) are mounted in the shell (2) of motor；
The circumferential direction of the outer circle of the stator body (1) is equipped with vibration-proof structure (3), and the vibration-proof structure (3) is for reducing described
Stator body (1) is transferred to the vibrational energy of the shell (2)；
Stator tooth (4) are equipped in the stator body (1), the vibration-proof structure (3) is arranged in the diameter where the stator tooth (4)
On the extended line of line.
2. stator structure according to claim 1, which is characterized in that stator slot (5) are equipped in the stator body (1),
The quantity N of the vibration-proof structure (3) is determined according to the quantity Q of the stator slot (5).
3. stator structure according to claim 2, which is characterized in that if the quantity Q of the stator slot (5) is even number,
The then quantity N=2n of the vibration-proof structure (3), and Q >=2n >=4, wherein n is positive integer；If the quantity Q of the stator slot (5)
When for odd number, then the quantity N=2n+1 of the vibration-proof structure (3), and Q >=2n+1 >=3.
4. stator structure according to claim 1 to 3, which is characterized in that the vibration-proof structure (3) is along the stator
Ontology (1) it is axially extending, the both ends of the vibration-proof structure (3) extend respectively to two end faces of the stator body (1).
5. stator structure according to claim 4, which is characterized in that the vibration-proof structure (3) is along the stator body
(1) damping column that radial line outwardly protrudes.
6. stator structure according to claim 5, which is characterized in that the vibration-proof structure (3) is equipped with choke, described
Choke can reduce the radial sectional dimension perpendicular to the stator body (1) of the vibration-proof structure (3).
7. stator structure according to claim 6, which is characterized in that the width of the stator tooth (4) is B, the necking
The width of the vibration-proof structure (3) at portion is C, and C=B.
8. stator structure according to claim 6 or 7, which is characterized in that the choke is to be arranged in the vibration damping knot
For structure (3) towards the groove on two sides of the stator body (1) circumferential direction, the groove includes the first groove (6), second recessed
Slot (7), first groove (6), the second groove (7) are symmetrical arranged.
9. stator structure according to claim 4, which is characterized in that the vibration-proof structure (3) is along the stator body
(1) the arc damping column (8) for being inclined outwardly protrusion.
10. stator structure according to claim 9, which is characterized in that the arc damping column (8) is towards the stator sheet
The two sides of body (1) circumferential direction are respectively the first arc surface (9), the second arc surface (10), first arc surface (9), the second circle
Cambered surface (10) is non-concentric circular arc.
11. stator structure according to claim 10, which is characterized in that the first arc surface (9) center of circle O1 with it is described
The line O1O2 and the width direction of the stator tooth (4) of second arc surface (10) center of circle O2 is identical and equal sized.
12. stator structure according to claim 11, which is characterized in that the first arc surface (9) center of circle O1 is located at institute
On the extended line (15) for stating the tooth boots edge of stator body (1).
13. -3, any stator structure of 5-7,9-12 according to claim 1, which is characterized in that the vibration-proof structure (3)
Stress is offered in the corresponding stator body (1) and mitigates hole (12), and the stress mitigates hole (12) position and the vibration damping
Structure (3) is corresponding.
14. stator structure according to claim 13, which is characterized in that it is trapezoidal that the stress, which mitigates hole (12),.
15. stator structure according to claim 14, which is characterized in that the stress mitigates hole (12) close to the stator
The side of ontology (1) outer rim is top (13), and it is following that the stress, which mitigates hole (12) close to the stator body (1) circular side,
(14), the width D 1 of top (13) is less than the width D 2 of following (14).
16. stator structure according to claim 15, which is characterized in that it is described fixed that the width D 1 of the top (13) is equal to
The width of the tooth boots (11) of the width B and/or stator body (1) of sub- tooth (4) is A, and the width D 2 of following (14) is small
The top (13) of hole (12) is mitigated in tooth boots (11) width A and/or the stress and following (14) distance F is less than stator tooth
(4) width B.
17. stator structure according to claim 16, which is characterized in that the end of the vibration-proof structure (3) is to described fixed
The distance of sub- ontology (1) outer peripheral surface is H, then 0.8≤H/F≤1.2.
18. stator structure according to claim 14, which is characterized in that the vibration-proof structure (3) towards the stator
The distance E of two sides of ontology (1) circumferential direction is equal with the following width D 2 of (14) of stress mitigation hole (12).
19. stator structure according to claim 18, which is characterized in that the vibration-proof structure (3) is along the stator body
(1) outer circle is arranged circumferentially, and/or, the stress mitigates hole (12) along the circumferentially uniform cloth of the stator body (1) outer circle
It sets.
20. a kind of motor, which is characterized in that using any stator structure of claim 1-17.
21. a kind of compressor, which is characterized in that using any stator structure of claim 1-17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760262.0A CN110401270A (en) | 2019-08-16 | 2019-08-16 | Stator structure, motor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760262.0A CN110401270A (en) | 2019-08-16 | 2019-08-16 | Stator structure, motor and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110401270A true CN110401270A (en) | 2019-11-01 |
Family
ID=68328521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910760262.0A Pending CN110401270A (en) | 2019-08-16 | 2019-08-16 | Stator structure, motor and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110401270A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737159A (en) * | 2020-12-28 | 2021-04-30 | 安徽美芝精密制造有限公司 | Stator, motor, compressor and refrigeration plant |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9515390D0 (en) * | 1995-07-27 | 1995-09-27 | Aisin Seiki | Switched reluctance motor |
| CN1508938A (en) * | 2002-12-19 | 2004-06-30 | 松下电器产业株式会社 | Motor |
| CN204156622U (en) * | 2014-11-14 | 2015-02-11 | 广东美芝制冷设备有限公司 | Stator punching, motor and compressor |
| CN109245336A (en) * | 2018-11-15 | 2019-01-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor electric motor and the compressor for applying it |
-
2019
- 2019-08-16 CN CN201910760262.0A patent/CN110401270A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9515390D0 (en) * | 1995-07-27 | 1995-09-27 | Aisin Seiki | Switched reluctance motor |
| CN1508938A (en) * | 2002-12-19 | 2004-06-30 | 松下电器产业株式会社 | Motor |
| CN204156622U (en) * | 2014-11-14 | 2015-02-11 | 广东美芝制冷设备有限公司 | Stator punching, motor and compressor |
| CN109245336A (en) * | 2018-11-15 | 2019-01-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor electric motor and the compressor for applying it |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737159A (en) * | 2020-12-28 | 2021-04-30 | 安徽美芝精密制造有限公司 | Stator, motor, compressor and refrigeration plant |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191101 |
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| RJ01 | Rejection of invention patent application after publication |