CN105099056B - Motor structure and compressor - Google Patents
Motor structure and compressor Download PDFInfo
- Publication number
- CN105099056B CN105099056B CN201410212126.5A CN201410212126A CN105099056B CN 105099056 B CN105099056 B CN 105099056B CN 201410212126 A CN201410212126 A CN 201410212126A CN 105099056 B CN105099056 B CN 105099056B
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- China
- Prior art keywords
- circulation passage
- expansion chambers
- stator core
- recess
- electric machine
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- 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.)
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Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 44
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 7
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000010349 pulsation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention provides a motor structure and a compressor, wherein the motor structure comprises a stator core, a rotor and a shell; the stator core is arranged in the shell; a circulation channel is arranged between the stator core and the shell and/or on the stator core and/or the rotor, and a refrigerant flows through the circulation channel; the flow channel is provided with an expansion chamber; the cross-sectional area of the expansion chamber perpendicular to the refrigerant flowing direction is larger than the cross-sectional area of the other part of the flow channel perpendicular to the refrigerant flowing direction. After the structure is adopted, the invention has the following advantages: reasonable in design, simple structure can obtain the decay after exhaust noise and refrigerant pressure pulsation pass through the circulation passageway, and then has reduced the vibration and the noise of compressor noise and off-premises station pipeline.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of electric machine structure and the compressor with it.
Background technology
Currently, having the circulation of the circulation for refrigerant (fluid media) logical between the stator and shell of motor, by cold
Matchmaker cools down motor.In the prior art, this electric machine structure, the area and shape of the cross section of circulation passage are circulating
It is remained unchanged on direction.The pressure fluctuation of refrigerant flow to motor epicoele from motor cavity of resorption by circulation passage, and stator one end is made an uproar
Sound is not decayed when passing through circulation passage, passes through stream so as to cause the pressure fluctuation of other end noise problem, and refrigerant
Circulation passage is not also decayed further, so as to cause other end vibration, noise problem.
Invention content
The object of the present invention is to provide a kind of reasonable designs, simple in structure, being capable of effective attenuation noise and refrigerant pressure arteries and veins
Dynamic electric machine structure and compressor.
To achieve the above object, the technical solution adopted in the present invention is：
A kind of electric machine structure, including stator core, rotor and shell；
The stator core is arranged in the shell；
It is logical that circulation is set between the stator core and the shell and/or on the stator core and/or the rotor
Road, refrigerant flow through in the circulation passage；
Expansion chambers are set on the circulation passage；
The expansion chambers are vertical more than other positions of the circulation passage in the area of section perpendicular to refrigerant circulating direction
In the area of section of refrigerant circulating direction.
The circulation passage includes the first circulation passage in one of the embodiments,；
Gap of first circulation passage between the stator core and the shell；
The expansion chambers include the first expansion chambers；
First expansion chambers are arranged on first circulation passage.
First expansion chambers are the recess being arranged on the stator core surface in one of the embodiments,.
First expansion chambers include N groups recess, the respectively first recess and the second recess in one of the embodiments,
With ... and N recess；
It is described first recess and it is described second recess and ... and N recess along refrigerant circulating direction arrange.
In one of the embodiments, it is described first recess and it is described second recess and ... and N recess quantity be
One or more.
First expansion chambers are to be arranged in the shell inner surface perpendicular to refrigerant in one of the embodiments,
The recessed trench of circulating direction.
The quantity of the recessed trench is one or more in one of the embodiments,.
The circulation passage includes the second circulation passage in one of the embodiments,；
Second circulation passage is the through-hole being arranged on the stator core, the axis side of second circulation passage
To identical as refrigerant circulating direction；
The expansion chambers include the second expansion chambers；
Second expansion chambers are the ring-shaped groove being arranged on the second circulation passage inner wall.
The quantity of second circulation passage is two or more in one of the embodiments, and is distributed on institute
State the surrounding of stator core.
The quantity of second expansion chambers is one or more in one of the embodiments, and is circulated along refrigerant
Direction is arranged in order.
The circulation passage includes third circulation passage in one of the embodiments,；
The third circulation passage is the through-hole being arranged on the rotor, the axis direction of the third circulation passage with
Refrigerant circulating direction is identical；
The expansion chambers include third expansion chambers；
The third expansion chambers are the ring-shaped groove being arranged on the through-hole wall.
A kind of compressor, including the electric machine structure described in any of the above one.
Using expansion chambers are arranged on circulation passage；Expansion chambers are vertically being more than circulation with the area of section of refrigerant circulating direction
Other positions of channel vertically with structure as the area of section of refrigerant circulating direction so that the invention has the advantages that：If
Meter is reasonable, simple in structure, and exhaust noise and refrigerant pressure can be decayed after being pulsed through circulation passage, thereby reduce pressure
The vibration of contracting machine noise and outdoor unit pipeline and noise.
Description of the drawings
Fig. 1 is one schematic diagram of electric machine structure embodiment of the present invention；
Fig. 2 is stator core schematic diagram in Fig. 1；
Fig. 3 is another embodiment schematic diagram of stator core in Fig. 1；
Fig. 4 is two schematic diagram of electric machine structure embodiment of the present invention；
Fig. 5 is stator core schematic diagram in the electric machine structure embodiment three of the present invention；
Wherein：1 stator core；2 shells；3 circulation passages；4 expansion chambers；5 first circulation passages；6 first expansion chambers；7
One recess；8 second recess；9 second circulation passages；10 second expansion chambers；11 rotors.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, right with reference to the accompanying drawings and embodiments
The electric machine structure and compressor of the present invention is further elaborated.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Embodiment one
As shown in Figure 1, 2, a kind of electric machine structure, including stator core 1, rotor 11 and shell 2；
Stator core 1 is arranged in shell 2；
Circulation passage 3 is set between stator core 1 and shell 2 and/or on stator core 1 and/or rotor 11, and refrigerant is flowing
It is flowed through in circulation passage 3；
Expansion chambers 4 are set on circulation passage 3；
Expansion chambers 4 are more than other positions of circulation passage 3 perpendicular to refrigerant in the area of section perpendicular to refrigerant circulating direction
The area of section of circulating direction.
Due to expansion chambers 4 the area of section perpendicular to refrigerant circulating direction be more than other positions of circulation passage 3 vertically with
The area of section of refrigerant circulating direction makes circulation passage 3 form a kind of variable section structure (i.e. different perpendicular to refrigerant circulating direction
The area in the section of position is different).Refrigerant from circulation passage 3 by when, this variable section structure can make the pressure of refrigerant
Pulsation is decayed.According to the transmission costing bio disturbance formula of expanding muffler it is found that circulation passage 3 uses this variable cross-section knot
Structure can make exhaust noise be decayed when passing through circulation passage 3, to reduce noise.The transmission of expanding muffler is damaged
Lose calculation formula Δ L=10lg [1+1/4 (m-1/m)2sin2(kl)], wherein m is divergence ratio (the i.e. sectional area and stream of expansion chambers 4
The ratio of other position sectional areas of circulation passage 3), k is wave number, and k=2 π/λ (λ is the wavelength of sound wave), l is the length of expansion chambers.
When designing expansion chambers 4, the performance for considering motor is needed, determines the value of the value and expansion chambers length l of divergence ratio m,
So that the transmission of expansion chambers 4 is lost Δ L and meets pre-provisioning request (such as Δ L is more than predetermined value) to achieve the purpose that sound-deadening and noise-reducing.
As a kind of embodiment, as shown in Figure 1, 2, circulation passage 3 includes the first circulation passage 5；
Gap of first circulation passage 5 between stator core 1 and shell 2；
Expansion chambers 4 include the first expansion chambers 6；
First expansion chambers 6 are arranged on the first circulation passage 5.
Directly using the gap between stator core 1 and shell 2 as the first circulation passage 5, it is not necessary to design deliberately be gone to make
Make the first circulation passage 5, and the first expansion chambers 6 are arranged on the first circulation passage 5, make the design system of the motor structure for compressor
Make simpler, reduces cost.
As a kind of embodiment, as shown in Fig. 2, the first expansion chambers 6 are recessed to be arranged on 1 surface of stator core
It falls into.
It, can be directly according to setting when processing silicon steel sheet since stator core 1 is integrally formed by silicon steel plate stacking
Meter requires for silicon steel sheet to be fabricated to different shapes, and the first expansion chambers 6 are directly formed after keeping silicon steel sheet stack molded, in this way can be with
So that the processing of the first expansion chambers 6 is become simpler convenience, and the volume of compressor electric motor will not be made to become larger, saves sky
Between.
As a kind of embodiment, as shown in figure 3, the first expansion chambers 6 include the first recess 7 and the second 8 Hes ... of recess
With N recess (not shown)；
First recess 7 and the second 8 Hes ... of recess and N are recessed to be arranged along refrigerant circulating direction.
As a kind of embodiment, first recess 7 and second recess 8 He ... and N be recessed quantity be one or
More than one.
First recess 7 and the second 8 Hes ... of recess and N are recessed to be arranged along refrigerant circulating direction.It can make noise and refrigerant
Pressure fluctuation repeatedly decayed, to make the better of reduction noise and vibrations.
First recess 7 and the second 8 He ... of recess and N, which are recessed, could be provided as surrounding the recessed of stator core 1 one weeks
It falls into, or around multiple recess of stator core arrangement in 1 one weeks.
Embodiment two
Electric machine structure and the motor structure for compressor structure composition having the same described in embodiment one in the present embodiment,
As shown in figure 4, wherein the first expansion chambers 6 are the recessed trench perpendicular to refrigerant circulating direction being arranged on 1 inner surface of shell.
Can be one or more as a kind of quantity of embodiment recessed trench.
Only need to produce recessed trench both in shell 1 in this way can make circulation passage 3 form variable cross-section mechanism, this mode
So that the processing and fabricating of the first expansion chambers 6 is become simpler, is easy.
Embodiment three
Electric machine structure has identical with the motor structure for compressor described in embodiment one or embodiment two in the present embodiment
Structure composition, as shown in figure 5, wherein circulation passage 3 include the second circulation passage 9；
Second circulation passage 9 is the axis direction through-hole identical with refrigerant circulating direction being arranged on stator core 1；
Expansion chambers 4 include the second expansion chambers 10；
Second expansion chambers 10 are the ring-shaped groove being arranged on 9 inner wall of the second circulation passage.
Through-hole by the way that axis direction is arranged on stator core 1 is used as the second circulation passage 9, and it is fixed to correspondingly reduce
Gap between sub- iron core 1 and shell 2 can make compressor electric motor become smaller, save space in this way.And in through-hole wall
The consumption and institute in embodiment one that upper setting ring-shaped groove pulse to noise and refrigerant pressure as the second expansion chambers 10
The principle stated is identical, and and will not be described here in detail.The production method of second circulation passage 9 and the second expansion chambers 10 can also be used and implement
A kind of described method of example makes, i.e., makes silicon steel sheet according to design requirement, direct shape after silicon steel sheet stack is forced together
At the second circulation passage 9 and the second expansion chambers 10.
As a kind of embodiment, the quantity of the second circulation passage 9 is two or more, and is distributed on stator iron
The surrounding of core 1.
It can ensure the dynamic balancing of stator core 1 in operation in this way, while the second circulation passage 9 can be increased again
Circulation area ensures that the smooth of refrigerant passes through.
As a kind of embodiment, the quantity of the second expansion chambers 10 is one or more, and along refrigerant circulation side
To being arranged in order.
The pressure fluctuation of noise and refrigerant can be made repeatedly to be decayed in this way, to make the effect of reduction noise and vibrations
More preferably.
Example IV
Electric machine structure has identical with the motor structure for compressor described in embodiment one or embodiment two in the present embodiment
Structure composition, wherein the circulation passage 3 include third circulation passage (not shown)；
Third circulation passage is the axis direction through-hole identical with refrigerant circulating direction being arranged on rotor 11；
Expansion chambers 4 include third expansion chambers (not shown)；
Third expansion chambers are the ring-shaped groove being arranged on third circulation inner wall.
The design principle and embodiment of third circulation passage and third expansion chambers and the second in embodiment three are all
Road 9 and the second expansion chambers 10 are identical, are no longer described in detail one by one herein.
The present invention also provides a kind of compressors, including the electric machine structure described in any of the above embodiment.
The beneficial effects of the invention are as follows：Reasonable design, simple in structure, exhaust noise and refrigerant pressure are pulsed through circulation and lead to
It can be decayed behind road, thereby reduce vibration and the noise of compression and noise and outdoor unit pipeline.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of electric machine structure, it is characterised in that：
Including stator core, rotor and shell；
The stator core is arranged in the shell, and the stator core is integrally formed by silicon steel plate stacking；
Circulation passage is set between the stator core and the shell and/or on the stator core and/or the rotor, it is cold
Matchmaker is flowed through in the circulation passage；
Expansion chambers are set on the circulation passage；
The expansion chambers are more than other positions of the circulation passage perpendicular to cold in the area of section perpendicular to refrigerant circulating direction
The area of section of matchmaker's circulating direction；
The circulation passage includes the first circulation passage；
Gap of first circulation passage between the stator core and the shell；
The expansion chambers include the first expansion chambers；
First expansion chambers are arranged on first circulation passage；
First expansion chambers are the recess being arranged on the stator core surface；
First expansion chambers include N groups recess, respectively first recess and second recess and ... and N recess；
It is described first recess and it is described second recess and ... and N recess along refrigerant circulating direction arrange.
2. electric machine structure according to claim 1, it is characterised in that：
It is described first recess and it is described second recess and ... and N recess quantity be one or more.
3. electric machine structure according to claim 1, it is characterised in that：
First expansion chambers are the recessed trench perpendicular to refrigerant circulating direction being arranged in the shell inner surface.
4. electric machine structure according to claim 3, it is characterised in that：
The quantity of the recessed trench is one or more.
5. electric machine structure according to any one of claims 1 to 4, it is characterised in that：
The circulation passage includes the second circulation passage；
Second circulation passage is the through-hole being arranged on the stator core, the axis direction of second circulation passage with
Refrigerant circulating direction is identical；
The expansion chambers include the second expansion chambers；
Second expansion chambers are the ring-shaped groove being arranged on the second circulation passage inner wall.
6. electric machine structure according to claim 5, it is characterised in that：
The quantity of second circulation passage is two or more, and is distributed on the surrounding of the stator core.
7. electric machine structure according to claim 6, it is characterised in that：
The quantity of second expansion chambers is one or more, and is arranged in order along refrigerant circulating direction.
8. electric machine structure according to any one of claims 1 to 4, it is characterised in that：
The circulation passage includes third circulation passage；
The third circulation passage is the through-hole being arranged on the rotor, the axis direction and refrigerant of the third circulation passage
Circulating direction is identical；
The expansion chambers include third expansion chambers；
The third expansion chambers are the ring-shaped groove being arranged on the through-hole wall.
9. a kind of compressor, it is characterised in that：
Including the electric machine structure described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212126.5A CN105099056B (en) | 2014-05-19 | 2014-05-19 | Motor structure and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212126.5A CN105099056B (en) | 2014-05-19 | 2014-05-19 | Motor structure and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105099056A CN105099056A (en) | 2015-11-25 |
| CN105099056B true CN105099056B (en) | 2018-09-11 |
Family
ID=54578867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410212126.5A Expired - Fee Related CN105099056B (en) | 2014-05-19 | 2014-05-19 | Motor structure and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105099056B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594158A (en) * | 2018-06-13 | 2019-12-20 | 上海海立电器有限公司 | Silencing structure of compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201466882U (en) * | 2009-07-29 | 2010-05-12 | 上海上电电机有限公司 | Motor air channel structure |
| CN103141015A (en) * | 2010-09-29 | 2013-06-05 | 瑞美技术有限责任公司 | Electric machine cooling system and method |
| CN103155377A (en) * | 2010-10-04 | 2013-06-12 | 瑞美技术有限责任公司 | Coolant channels for electric machine stator |
| CN203967888U (en) * | 2014-05-19 | 2014-11-26 | 珠海格力电器股份有限公司 | Motor structure and compressor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2290662Y (en) * | 1996-11-02 | 1998-09-09 | 张来 | Electrical lighting device on key |
| JP2004357472A (en) * | 2003-05-30 | 2004-12-16 | Suzuki Motor Corp | Cooling structure of motor |
-
2014
- 2014-05-19 CN CN201410212126.5A patent/CN105099056B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201466882U (en) * | 2009-07-29 | 2010-05-12 | 上海上电电机有限公司 | Motor air channel structure |
| CN103141015A (en) * | 2010-09-29 | 2013-06-05 | 瑞美技术有限责任公司 | Electric machine cooling system and method |
| CN103155377A (en) * | 2010-10-04 | 2013-06-12 | 瑞美技术有限责任公司 | Coolant channels for electric machine stator |
| CN203967888U (en) * | 2014-05-19 | 2014-11-26 | 珠海格力电器股份有限公司 | Motor structure and compressor |
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| Publication number | Publication date |
|---|---|
| CN105099056A (en) | 2015-11-25 |
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Granted publication date: 20180911 |
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