CN205370996U - Discharge valve piece subassembly, flange assembly and compressor - Google Patents
Discharge valve piece subassembly, flange assembly and compressor Download PDFInfo
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- CN205370996U CN205370996U CN201521142087.2U CN201521142087U CN205370996U CN 205370996 U CN205370996 U CN 205370996U CN 201521142087 U CN201521142087 U CN 201521142087U CN 205370996 U CN205370996 U CN 205370996U
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- valve plate
- row air
- air valve
- flange
- compressor
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Abstract
The utility model discloses a discharge valve piece subassembly for in the compressor system, including a discharge valve piece and the 2nd discharge valve piece, a discharge valve piece is high pressure stage discharge valve piece, and the 2nd discharge valve piece is low -pressure stage discharge valve piece, the rigidity of a discharge valve piece is greater than the rigidity of the 2nd discharge valve piece. Above -mentioned discharge valve piece subassembly can reduce the 2nd discharge valve piece backpressure in the compressor system, and then reduces the low -pressure stage excessive pressure, reduces the low -pressure stage consumption, improves the compressor performance. The utility model discloses still disclose a flange assembly and compressor.
Description
Technical field
This utility model relates to Compressor Technology field, particularly relates to a kind of exhaust valve plate assembly, flange assembly and compressor.
Background technology
Feature according to two-stage enthalpy increasing compress technique, the back pressure of low-pressure stage exhaust valve plate is middle pressure, and the back pressure of hiigh pressure stage exhaust valve plate is high pressure.And the low-pressure stage exhaust valve plate rigidity of first generation two-stage enthalpy increasing rotor-type compressor is be more than or equal to hiigh pressure stage exhaust valve plate rigidity, causing that low-pressure stage exhaust resistance is big, low compression overvoltage is big and power consumption big, makes compressor performance reduce.
Utility model content
Based on this, it is necessary to provide a kind of and can reduce the exhaust valve plate assembly of low-pressure stage overvoltage, flange assembly and compressor.
A kind of exhaust valve plate assembly, in compressor air-discharging system, including first row air valve plate and second row air valve plate；Described first row air valve plate is hiigh pressure stage exhaust valve plate, and described second row air valve plate is low-pressure stage exhaust valve plate；
The rigidity of described first row air valve plate is more than the rigidity of described second row air valve plate.
Wherein in an embodiment, the waist width of described first row air valve plate is L1, and the thickness of described first row air valve plate is H1；The waist width of described second row air valve plate is L2, and the thickness of described second row air valve plate is H2；
Wherein, 0.7L1≤L2≤0.9L2,0.7H1≤H2≤0.9H1.
Wherein in an embodiment, 0.7H1≤H2≤0.8H1.
Wherein in an embodiment, the width at described first row air valve plate two ends is more than L1.
Wherein in an embodiment, the width at described second row air valve plate two ends is more than L2.
Wherein in an embodiment, one end of described first row air valve plate is provided with the first through hole.
Wherein in an embodiment, one end of described second row air valve plate is provided with the second through hole.
This utility model also proposes a kind of flange assembly, including any one exhaust valve plate assembly above-mentioned.
This utility model also proposes a kind of compressor, including above-mentioned flange assembly
Above-mentioned exhaust valve plate assembly, flange assembly and compressor, owing to the rigidity of first row air valve plate is more than the rigidity of second row air valve plate, therefore, it is possible to reduce second row air valve plate back pressure in compressor air-discharging system, and then reduce low-pressure stage overvoltage, reduce low-pressure stage power consumption, improve compressor performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one embodiment of exhaust valve plate assembly；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the structural representation of one embodiment of this utility model compressor.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the detailed description of the invention of this utility model exhaust valve plate assembly, flange assembly and compressor is illustrated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
In one embodiment, exhaust valve plate assembly may be used in compressor air-discharging system.Exhaust valve plate assembly can include first row air valve plate and second row air valve plate.Wherein, first row air valve plate is hiigh pressure stage exhaust valve plate.Second row air valve plate is low-pressure stage exhaust valve plate.The rigidity of first row air valve plate is more than the rigidity of second row air valve plate.
After above-mentioned exhaust valve plate assembly is used in compressor air-discharging system, owing to the rigidity of first row air valve plate is more than the rigidity of second row air valve plate, therefore, it is possible to reduce second row air valve plate back pressure, and then reduce low-pressure stage overvoltage, reduce low-pressure stage power consumption, improve compressor performance.
Referring to Fig. 1 and Fig. 2, in an embodiment, setting the waist width of first row air valve plate as L1, the thickness of first row air valve plate is H1.Setting the waist width of second row air valve plate as L2, the thickness of second row air valve plate is H2.Wherein, the L in Fig. 1 is the waist width that waist width is L1 or second row air valve plate of first row air valve plate is L2.It is H2 that H in Fig. 2 is the thickness that thickness is H1 or second row air valve plate of first row air valve plate.Preferably, the relation that L1 and L2 meets can be 0.7L1≤L2≤0.9L2.The relation that H1 and H2 meets can be 0.7H1≤H2≤0.9H1.The rigidity of the rigidity of first row air valve plate and second row air valve plate being realized by the mode of waist width and thickness, mode is simple, and easily controllable.And L1, L2, H1 and H2 are when meeting above-mentioned relation formula, above-mentioned exhaust valve plate assembly can both reduce low-pressure stage overvoltage, reduces low-pressure stage power consumption, improves compressor performance.
Further, experiments verify that, meet relation at the thickness of first row air valve plate and the thickness of second row air valve plate: during 0.7H1≤H2≤0.8H1, low-pressure stage lower power consumption obvious, it is bigger that compressor overall performance promotes amplitude.Integration test data shows, when the thickness of first row air valve plate and the thickness of second row air valve plate meet above-mentioned relation, compressor overall performance promotes and is about 1.5%.
It should be understood that first row air valve plate may be used for being arranged in the hiigh pressure stage flange of compressor.Second row air valve plate may be used for being arranged in the low-pressure stage flange of compressor.The width at first row air valve plate two ends is more than the waist width L1 of first row air valve plate.When being so arranged in hiigh pressure stage flange by first row air valve plate, first row air valve plate can be opened or close in the exhaust passage in more effective maintenance hiigh pressure stage flange.Equally, the width at second row air valve plate two ends is more than the waist width L2 of second row air valve plate.When being so arranged in low-pressure stage flange by second row air valve plate, second row air valve plate can be opened or close in the exhaust passage in more effective maintenance low-pressure stage flange.
It addition, one end of first row air valve plate can be provided with the first through hole.First row air valve plate is arranged in hiigh pressure stage flange by this first through hole.Equally, one end of second row air valve plate can be provided with the second through hole.First row air valve plate is arranged in low-pressure stage flange by this second through hole.Certainly, first row air valve plate and second row air valve plate can also be arranged in the flange of correspondence by other means.
Above-mentioned exhaust valve plate assembly, owing to the rigidity of first row air valve plate is more than the rigidity of second row air valve plate, therefore, it is possible to reduce second row air valve plate back pressure, and then reduces low-pressure stage overvoltage, reduces low-pressure stage power consumption, improve compressor performance.
In one embodiment, flange assembly includes any one described exhaust valve plate assembly above-mentioned.Concrete, flange assembly can include the first flange and the second flange.First flange is hiigh pressure stage flange.Second flange is low-pressure stage flange.For vertical compressor, the first flange can be upper flange.Second flange can be lower flange.First row air valve plate is arranged in the first flange.Second row air valve plate is arranged in the second flange.Above-mentioned flange assembly, owing to having above-mentioned exhaust valve plate assembly, therefore has above-mentioned exhaust valve plate assembly have the advantage that.
In one embodiment, a kind of compressor, including any one described flange assembly above-mentioned, and there is above-mentioned flange assembly have the advantage that.
Referring to Fig. 3, in one embodiment, compressor mainly includes dispenser component 201, low pressure (LP) cylinder 202, lower flange 203, lower flange cover plate 204, increases enthalpy assembly 205, pump partition plate 206, high pressure cylinder 207, upper flange 208, upper deafener 209, bent axle 210, motor rotor component 211, motor stator component 212 and exhaustor 213.Liquor separator parts 201 are fixed by welding on housing 214.Low pressure (LP) cylinder 202 is fixed on lower flange 203 by screw.Lower flange 203 is connected with lower flange cover plate 204.Liquor separator parts 201 are communicated by the suction muffler of suction nozzle with low pressure (LP) cylinder 202.Increase enthalpy assembly 205 by the increasing enthalpy mouth interference fit with low pressure (LP) cylinder 202, thus communicating with the intermediate cavity of lower flange 203.High pressure cylinder 207 is fixed with upper flange 208 and upper deafener 209 by screw.High pressure cylinder 207 is also connected with pump partition plate 206.High pressure cylinder 207 is welded on housing 214.Bent axle 210 is through lower flange 203, low pressure (LP) cylinder 202, lower roller, lower flange cover plate 204, pump partition plate 206, high pressure cylinder 207, upper roller, upper flange 208 and upper deafener 209, and is fixed by screws in together.Exhaustor 213 is welded on upper cover 215.Upper cover 215 is welded on one end of housing 214.Lower cover 216 is welded on the other end of housing 214.Housing 214, upper cover 215 and lower cover 216 constitute one and seal space.In the present embodiment, upper flange 208 and lower flange 203 are above-mentioned flange assembly.Corresponding exhaust valve plate does not mark in the drawings.
Hereinafter the cold-producing medium process of circulation within the compressor is illustrated.With lower flange 203 for low-pressure stage flange in the present embodiment, upper flange 208 is that example illustrates for hiigh pressure stage flange, but is not limited thereto.
When closing increasing enthalpy, under the rotation of motor (motor rotor component 211 and motor stator component 212), compressor operation.Cold-producing medium is entered in low pressure (LP) cylinder 202 by dispenser component 201 and compresses.Second row air valve plate in lower flange 203 is opened under differential pressure action, and middle compression refrigerant enters in lower flange 203 intermediate cavity, and is entered in high pressure cylinder 207 by the middle flow passage on lower flange 203, low pressure (LP) cylinder 202, pump partition plate 206.Middle compression refrigerant is compressed into high-pressure refrigerant in high pressure cylinder 207.First row air valve plate in upper flange 208 is opened under differential pressure action, and high-pressure refrigerant is expelled in the sealing space being made up of housing 214, upper cover 215, lower cover 216 through upper flange 208.High-pressure refrigerant is discharged to vaporizer or condenser from exhaustor 213, completes a twin-stage and closes increasing enthalpy compression.
When opening increasing enthalpy, under the rotation of motor (motor rotor component 211 and motor stator component 212), compressor operation.The cold-producing medium returned from vaporizer or condenser is divided into two parts, Part I cold-producing medium is entered in low pressure (LP) cylinder 202 by dispenser component 201 and compresses, second row air valve plate in lower flange 203 is opened under differential pressure action, and middle compression refrigerant is discharged in the intermediate cavity of lower flange 203.Part II cold-producing medium, from increasing the enthalpy assembly 205 increasing enthalpy mouth through low pressure (LP) cylinder 202 and lower flange 203, enters in the intermediate cavity of lower flange 203, with Part I refrigerant mixed.Mixed cold-producing medium passes sequentially through the middle flow passage on lower flange 203, low pressure (LP) cylinder 202, pump partition plate 206 and enters in high pressure cylinder 207.Mixed cold-producing medium is compressed one-tenth high-pressure refrigerant in high pressure cylinder 207.Second row air valve plate in upper flange 208 is opened under differential pressure action, and high-pressure refrigerant is expelled in the sealing space being made up of housing 214, upper cover 215, lower cover 216 through upper flange 208.High-pressure refrigerant is discharged to from exhaustor 213 vaporizer or condenser, namely completes a two-stage enthalpy increasing compression.
Above-mentioned compressor, the rigidity of the first row air valve plate in upper flange 208, more than the rigidity of the second row air valve plate in lower flange 203, therefore, it is possible to reduce second row air valve plate back pressure, and then reduces low-pressure stage overvoltage, reduces low-pressure stage power consumption, improve compressor performance.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (9)
1. an exhaust valve plate assembly, in compressor air-discharging system, it is characterised in that include first row air valve plate and second row air valve plate；Described first row air valve plate is hiigh pressure stage exhaust valve plate, and described second row air valve plate is low-pressure stage exhaust valve plate；
The rigidity of described first row air valve plate is more than the rigidity of described second row air valve plate.
2. exhaust valve plate assembly according to claim 1, it is characterised in that the waist width of described first row air valve plate is L1, the thickness of described first row air valve plate is H1；The waist width of described second row air valve plate is L2, and the thickness of described second row air valve plate is H2；
Wherein, 0.7L1≤L2≤0.9L2,0.7H1≤H2≤0.9H1.
3. exhaust valve plate assembly according to claim 2, it is characterised in that 0.7H1≤H2≤0.8H1.
4. exhaust valve plate assembly according to claim 2, it is characterised in that the width at described first row air valve plate two ends is more than L1.
5. exhaust valve plate assembly according to claim 2, it is characterised in that the width at described second row air valve plate two ends is more than L2.
6. the exhaust valve plate assembly according to claim 1 to 5 any one, it is characterised in that one end of described first row air valve plate is provided with the first through hole.
7. the exhaust valve plate assembly according to claim 1 to 5 any one, it is characterised in that one end of described second row air valve plate is provided with the second through hole.
8. a flange assembly, it is characterised in that include the exhaust valve plate assembly described in claim 1 to 6 any one.
9. a compressor, it is characterised in that include the flange assembly described in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521142087.2U CN205370996U (en) | 2015-12-30 | 2015-12-30 | Discharge valve piece subassembly, flange assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521142087.2U CN205370996U (en) | 2015-12-30 | 2015-12-30 | Discharge valve piece subassembly, flange assembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205370996U true CN205370996U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521142087.2U Expired - Fee Related CN205370996U (en) | 2015-12-30 | 2015-12-30 | Discharge valve piece subassembly, flange assembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205370996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930949A (en) * | 2015-12-30 | 2017-07-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Exhaust valve plate component, flange assembly and compressor |
-
2015
- 2015-12-30 CN CN201521142087.2U patent/CN205370996U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930949A (en) * | 2015-12-30 | 2017-07-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Exhaust valve plate component, flange assembly and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20211230 |