CN108092424B - Stator assembly and compressor - Google Patents
Stator assembly and compressor Download PDFInfo
- Publication number
- CN108092424B CN108092424B CN201810008273.9A CN201810008273A CN108092424B CN 108092424 B CN108092424 B CN 108092424B CN 201810008273 A CN201810008273 A CN 201810008273A CN 108092424 B CN108092424 B CN 108092424B
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- China
- Prior art keywords
- stator
- silencer
- outer side
- side wall
- groove
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a stator assembly and a compressor. This stator module includes stator body (1) and sets up stator muffler (2) in the at least one end of stator body (1), forms the amortization chamber between the terminal surface of stator body (1) of stator muffler (2) and this stator muffler (2) place end. According to the stator assembly provided by the invention, the noise generated in the cavity of the compressor shell can be reduced.
Description
Technical Field
The invention belongs to the technical field of compression equipment, and particularly relates to a stator assembly and a compressor.
Background
The periodic air suction and exhaust of the compressor, the pressure of the high-pressure gas exhausted to the cavity of the shell through the pump body of the compressor also changes periodically along with the periodic rotation of the pump body of the compressor, namely, the high-pressure gas exhausted to the cavity of the shell through the pump body of the compressor has pressure pulsation, so that pneumatic noise is generated, meanwhile, an electric motor in the cavity of the shell also generates electromagnetic noise, mechanical noise generated by the operation of the pump body of the compressor and the electric motor and the like.
Disclosure of Invention
Therefore, an object of the present invention is to provide a stator assembly and a compressor, which can reduce noise generated in a compressor housing cavity.
In order to solve the above problems, the present invention provides a stator assembly, which includes a stator body and a stator silencer disposed at least one end of the stator body, wherein a silencing cavity is formed between the stator silencer and an end surface of the stator body at the end where the stator silencer is located.
Preferably, the stator silencer includes the end plate and sets up the recess on the end plate, and the end plate is laminated with the terminal surface of stator body, and the opening of recess is towards the terminal surface of stator body.
Preferably, the groove is a radial variable cross-section groove or an axial variable cross-section groove.
Preferably, when the stator body is a trimmed stator, the groove is a radial variable cross-section groove, and the radial cross-section of the groove corresponding to the non-trimmed portion of the stator body is greater than the radial cross-section of the groove corresponding to the trimmed portion of the stator body.
Preferably, the groove comprises a first outer side wall and a second outer side wall, the first outer side wall is located on the outer side of the second outer side wall, the first outer side wall and the second outer side wall are alternately arranged along the circumferential direction of the stator silencer, and two circumferential sides of the first outer side wall are connected with the second outer side wall through two side plates.
Preferably, the stator silencer further includes an exhaust hole provided on at least one side plate.
Preferably, the vent holes are circular, crescent, rectangular or saw-toothed.
Preferably, the stator silencer further comprises an oil return hole, and the oil return hole is formed in the edge of the end plate corresponding to the trimming portion of the trimming stator.
Preferably, a bleed air passage is formed between the trimmed portion of the trimmed stator and the end plate.
Preferably, the end face of the trimming part of the trimming stator is provided with an air-entraining channel, and the air-entraining channel extends from the peripheral side of the trimming stator to the end face corresponding to the groove; and/or a bulge is arranged at the position, corresponding to the trimming part of the trimming stator, on the end plate, and a gas guide channel communicated to the groove is arranged on the bulge.
Preferably, the stator body is a through-flow-hole stator, the through-flow holes of which communicate with the grooves.
Preferably, the stator muffler further comprises an oil return hole, the stator body further comprises an oil return guide groove, and the oil return hole and the oil return guide groove are correspondingly arranged.
Preferably, the stator silencer and the stator body are fastened, riveted or adhesively fixed.
According to another aspect of the present invention, there is provided a compressor including a stator assembly as described above.
The stator assembly provided by the invention comprises a stator body and a stator silencer arranged at least one end of the stator body, wherein a silencing cavity is formed between the stator silencer and the end surface of the stator body at the end where the stator silencer is located. This stator module includes stator body and stator muffler, forms the amortization chamber between stator muffler and the stator body, can fall the noise reduction to the pneumatic noise in the casing cavity, electromagnetic noise and the compressor pump body, the mechanical noise of motor operation in-process effectively through the amortization chamber, reduces compressor noise, improves the user and uses experience.
Drawings
Fig. 1 is a perspective view of a stator assembly according to an embodiment of the present invention;
fig. 2 is a perspective view of a first stator muffler of the stator assembly according to the embodiment of the present invention;
FIG. 3 is a block diagram of a first stator muffler of the stator assembly of an embodiment of the present invention;
FIG. 4 is a cross-sectional structural view of a first stator muffler of the stator assembly of an embodiment of the present invention;
fig. 5 is a perspective view of a second stator muffler of the stator assembly of the embodiment of the present invention;
fig. 6 is a schematic perspective view of a stator body of a stator assembly according to an embodiment of the present invention.
The reference numerals are represented as:
1. a stator body; 2. a stator muffler; 3. an end plate; 4. a groove; 5. a first outer side wall; 6. a second exterior sidewall; 7. a side plate; 8. an exhaust hole; 9. an oil return hole; 10. a bleed air passage; 11. and (4) protruding.
Detailed Description
Referring to fig. 1 to 6 in combination, according to an embodiment of the present invention, a stator assembly includes a stator body 1 and a stator silencer 2 disposed at least one end of the stator body 1, and a sound-deadening chamber is formed between the stator silencer 2 and an end surface of the stator body 1 at the end where the stator silencer 2 is located.
This stator module includes stator body 1 and stator muffler 2, forms the amortization chamber between stator muffler 2 and the stator body 1, can fall the noise reduction to the pneumatic noise in the casing cavity, electromagnetic noise and the compressor pump body, the mechanical noise of motor operation in-process effectively through the amortization chamber, reduces compressor noise, improves user and uses experience. Stator muffler 2 can set up the one end at stator body 1, also can set up simultaneously at stator body 1's both ends, and stator muffler 2 laminates with stator body 1's terminal surface to form sealed amortization chamber, can play effectual amortization noise reduction effect.
When the stator muffler 2 is provided only at one end of the stator body 1, the stator muffler 2 is preferably provided at the upper end of the stator body 1.
A plurality of silencing cavities are formed between the stator silencer 2 and the stator body 1, so that the pneumatic noise and the electromagnetic noise in the cavity of the shell and the mechanical noise in the running process of the pump body and the motor of the compressor can be effectively reduced, the oil content of the compressor and an air conditioning system can be reduced, and the performance of the compressor can be improved.
In a first stator silencer 2, stator silencer 2 includes end plate 3 and recess 4 that sets up on end plate 3, and end plate 3 is laminated with the terminal surface of stator body 1, and the opening of recess 4 is towards the terminal surface of stator body 1. Through set up recess 4 on end plate 3, can make recess 4 and stator body 1's terminal surface cooperate, form sealed amortization chamber. In order to form a plurality of silencers in the circumferential direction, the groove 4 is plural and arranged in the circumferential direction of the stator silencer 2. The end plate 3 has a shape substantially matching the sectional shape of the stator body 1.
The groove 4 is, for example, a radial variable cross-section groove 4 or an axial variable cross-section groove 4, and can form sound-deadening cavities with different cross sections, so that part of sound waves are reflected back to the direction of a sound source by means of the sound reflection action at the sudden change of the acoustic performance in the pipeline, and the purpose of sound deadening is achieved.
When the stator body 1 is a trimmed stator, the grooves 4 are radial variable cross-section grooves 4, and the radial cross-section of the groove 4 corresponding to the non-trimmed portion of the stator body 1 is larger than the radial cross-section of the groove 4 corresponding to the trimmed portion of the stator body 1. When the stator body 1 is a trimming stator, if the grooves 4 are all arranged to correspond to the structures of the non-trimming parts, the trimming parts and the grooves of the stator silencer 2 cannot be sealed, and the silencing effect of the stator silencer 2 is reduced; if the grooves 4 are all arranged to correspond to the structure of the trimming part, the structure of the non-trimming part cannot be fully utilized, and the silencing effect of the stator silencer 2 is reduced. Consequently, set up recess 4 into the structural change according to side cut part and non-side cut part and change, just can guarantee the sealed effect in amortization chamber in for the volume in amortization chamber can effectively be guaranteed, makes stator muffler 2's function obtain make full use of, improves stator muffler 2's amortization noise reduction effect.
The groove 4 includes a first outer side wall 5 and a second outer side wall 6, the first outer side wall 5 is located outside the second outer side wall 6, the first outer side wall 5 and the second outer side wall 6 are alternately arranged along the circumferential direction of the stator silencer 2, and the circumferential two sides of the first outer side wall 5 are connected with the second outer side wall 6 through two side plates 7. This kind of recess 4's structure sets up according to the structure of side cut stator, can make the structure of stator muffler 2 and stator body 1's structure adaptation more, plays the noise cancelling effect better.
Stator muffler 2 still includes exhaust hole 8, if stator muffler 2 sets up in stator body 1's upper end, then exhaust hole 8 sets up on at least one curb plate 7 to can avoid directly seting up exhaust hole 8 on first lateral wall 5 or second lateral wall 6 and lead to high-pressure gas to the direct impact of casing, also can avoid seting up the diapire plane at recess 4 and lead to high-pressure gas to enameled wire, lead wire, overloaded direct impact.
If stator muffler 2 sets up the lower extreme at stator body 1, then need set up this exhaust hole 8 on the diapire of recess 4, arrange the gas in the lower part cavity that stator muffler 2 and stator body 1, casing formed to the upper portion cavity that stator muffler 2 and motor, casing formed to help the frozen oil of gathering in recess 4 to flow out, exhaust hole 8 at this moment not only has exhaust effect, still has the effect of oil extraction simultaneously.
The above-mentioned exhaust holes 8 are, for example, circular, crescent, rectangular or zigzag.
For the side cut stator, stator muffler 2 still includes oil gallery 9, and oil gallery 9 sets up in the 3 edges of the end plate that the side cut part of side cut stator corresponds, and oil gallery 9's shape can be circular, crescent or other shapes, and the refrigeration oil of being convenient for flows back compressor bottom oil bath along the interior wall of casing.
Preferably, a bleed air channel 10 is formed between the cut edge portion of the cut edge stator and the end plate 3 for introducing gas in a cavity formed by the cut edge of the cut edge stator and the housing into a sound-deadening chamber formed by the end face of the stator and the stator muffler 2.
In one embodiment, the end face of the trimming part of the trimming stator is provided with a bleed air channel 10, and the bleed air channel 10 extends from the peripheral side of the trimming stator to the corresponding end face of the groove 4. The bleed air channel 10 is a sink groove formed at the end of the cut-off portion, and the length of the sink groove is greater than the radial distance from the outer edge of the cut-off portion of the stator to the first outer side wall 5 and less than or equal to the radial distance from the outer edge of the cut-off portion of the stator to the inner peripheral wall of the groove 4 in the radial direction, so as to ensure that the gas in the cavity of the housing can be smoothly introduced into the silencing chamber.
Referring to fig. 5 in combination, in the second type of stator silencer 2, in order to avoid the influence of iron loss caused by the open of the sink groove on the end surface of the stator on the efficiency of the motor, it is preferable that a protrusion 11 is provided on the end plate 3 at a position corresponding to the trimming portion of the trimming stator, and a bleed air passage 10 communicated to the groove 4 is provided on the protrusion 11. The bleed air passage 10 is a connecting groove which opens onto the projection 11 and which can introduce the gas in the housing cavity into the sound-damping chamber.
When the stator body 1 is a flow-through hole stator, the flow-through holes of the flow-through hole stator communicate with the grooves 4. The gas in the cavity of the shell can enter the silencing cavity through the through hole to carry out silencing and noise reduction.
Stator muffler 2 still includes oil gallery 9, and stator body 1 still includes the oil return guide slot, and oil gallery 9 corresponds the setting with the oil return guide slot. The refrigerant oil in the upper cavity of the stator silencer 2 can enter the oil return guide groove through the oil return hole 9 and then flow back to the bottom oil pool of the compressor through the oil return guide groove.
The stator silencer 2 and the stator body 1 are fastened, riveted or bonded.
The stator silencer may be stamped from cold rolled steel sheet or other metallic material.
According to an embodiment of the present invention, a compressor includes a stator assembly, which is the above-described stator assembly.
The stator muffler 2, the stator body 1 and the compressor housing may be assembled with an interference fit therebetween to form a sound-deadening chamber at least at one end of the motor stator.
According to the invention, the stator silencer 2 is designed, combined with the stator body 1 and assembled with the shell in an interference fit manner, so that a plurality of silencing chambers are formed, pneumatic noise and electromagnetic noise in a cavity of the shell and mechanical noise in the operation process of a pump body and a motor of the compressor are effectively reduced, meanwhile, gas flows in the cavity formed by the shell, the stator body 1 and the stator silencer 2, and the frozen oil is favorably thrown out from the gas to be attached to the side cutting wall surface of the stator and the inner wall of the shell and further flows back to an oil pool at the bottom of the compressor, so that the oil content of the compressor and an air conditioning system can be reduced, and the performance of the compressor is improved.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (10)
1. A stator assembly is characterized by comprising a stator body (1) and a stator silencer (2) arranged at least one end of the stator body (1), wherein a silencing cavity is formed between the stator silencer (2) and the end face of the stator body (1) at the end where the stator silencer (2) is located; the stator silencer (2) comprises an end plate (3) and a groove (4) arranged on the end plate (3), the end plate (3) is attached to the end face of the stator body (1), and an opening of the groove (4) faces the end face of the stator body (1); the groove (4) is matched with the end face of the stator body (1) to form a sealed silencing cavity; the groove (4) comprises a first outer side wall (5) and a second outer side wall (6), the first outer side wall (5) is located on the outer side of the second outer side wall (6), the first outer side wall (5) and the second outer side wall (6) are alternately arranged along the circumferential direction of the stator silencer (2), and two circumferential sides of the first outer side wall (5) are connected with the second outer side wall (6) through two side plates (7); the stator silencer (2) further comprises exhaust holes (8), and the exhaust holes (8) are formed in at least one side plate (7).
2. A stator assembly according to claim 1, characterized in that the slots (4) are radial variable cross-section slots (4).
3. Stator assembly according to claim 1, characterized in that the exhaust holes (8) are circular, crescent, rectangular or saw-toothed.
4. The stator assembly according to claim 2, characterized in that the stator body (1) is a trimmed stator, and the stator muffler (2) further comprises oil return holes (9), wherein the oil return holes (9) are arranged at the edge of the end plate (3) corresponding to the trimmed portion of the trimmed stator.
5. The stator assembly according to claim 2, characterized in that the stator body (1) is a trimmed stator, a bleed air channel (10) being formed between the trimmed portion of the trimmed stator and the end plate (3).
6. The stator assembly according to claim 5, characterized in that the air-entraining channels (10) are arranged on the edge-cut part end surfaces of the edge-cut stator, the air-entraining channels (10) extending from the outer peripheral side of the edge-cut stator to the end surfaces corresponding to the grooves (4); and/or a bulge (11) is arranged at the position, corresponding to the trimming part of the trimming stator, on the end plate (3), and a gas guide channel (10) communicated to the groove (4) is arranged on the bulge (11).
7. A stator assembly according to claim 1, characterized in that the stator body (1) is a through-flow-hole stator, the through-flow holes of which communicate with the grooves (4).
8. The stator assembly according to claim 7, characterized in that the stator muffler (2) further comprises an oil return hole (9), the stator body (1) further comprises an oil return guide groove, and the oil return hole (9) is arranged corresponding to the oil return guide groove.
9. Stator assembly according to claim 1, characterized in that the stator silencer (2) is snap-fitted, riveted or adhesively fixed to the stator body (1).
10. A compressor comprising a stator assembly, characterized in that the stator assembly is a stator assembly according to any of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810008273.9A CN108092424B (en) | 2018-01-04 | 2018-01-04 | Stator assembly and compressor |
| PCT/CN2018/108599 WO2019134411A1 (en) | 2018-01-04 | 2018-09-29 | Stator assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810008273.9A CN108092424B (en) | 2018-01-04 | 2018-01-04 | Stator assembly and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108092424A CN108092424A (en) | 2018-05-29 |
| CN108092424B true CN108092424B (en) | 2020-03-17 |
Family
ID=62181646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810008273.9A Active CN108092424B (en) | 2018-01-04 | 2018-01-04 | Stator assembly and compressor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108092424B (en) |
| WO (1) | WO2019134411A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092424B (en) * | 2018-01-04 | 2020-03-17 | 珠海凌达压缩机有限公司 | Stator assembly and compressor |
| CN114844245A (en) * | 2021-02-02 | 2022-08-02 | 上海海立电器有限公司 | Motor electron, motor, compressor and refrigeration plant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881278A (en) * | 2009-05-05 | 2010-11-10 | 上海日立电器有限公司 | Silencer for reducing oil circulation rate of compressor |
| CN105782059A (en) * | 2016-05-05 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, rotor assembly and rotor structure thereof, and rotor manufacturing process |
| CN205779734U (en) * | 2016-07-04 | 2016-12-07 | 珠海凌达压缩机有限公司 | Compressor stator and compressor |
| CN206640417U (en) * | 2017-03-31 | 2017-11-14 | 广东美芝精密制造有限公司 | Rotor assembly, motor and there is its compressor |
| CN207853572U (en) * | 2018-01-04 | 2018-09-11 | 珠海凌达压缩机有限公司 | Stator module and compressor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2719819B2 (en) * | 1989-02-15 | 1998-02-25 | アイチ―エマソン電機株式会社 | Hermetic electric compressor |
| CN106451901B (en) * | 2016-10-08 | 2018-12-04 | 珠海格力电器股份有限公司 | Motor rotor component, compressor and air-conditioning |
| CN108092424B (en) * | 2018-01-04 | 2020-03-17 | 珠海凌达压缩机有限公司 | Stator assembly and compressor |
-
2018
- 2018-01-04 CN CN201810008273.9A patent/CN108092424B/en active Active
- 2018-09-29 WO PCT/CN2018/108599 patent/WO2019134411A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881278A (en) * | 2009-05-05 | 2010-11-10 | 上海日立电器有限公司 | Silencer for reducing oil circulation rate of compressor |
| CN105782059A (en) * | 2016-05-05 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, rotor assembly and rotor structure thereof, and rotor manufacturing process |
| CN205779734U (en) * | 2016-07-04 | 2016-12-07 | 珠海凌达压缩机有限公司 | Compressor stator and compressor |
| CN206640417U (en) * | 2017-03-31 | 2017-11-14 | 广东美芝精密制造有限公司 | Rotor assembly, motor and there is its compressor |
| CN207853572U (en) * | 2018-01-04 | 2018-09-11 | 珠海凌达压缩机有限公司 | Stator module and compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019134411A1 (en) | 2019-07-11 |
| CN108092424A (en) | 2018-05-29 |
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