CN215409203U - Compressor pump body assembly, compressor and air conditioning system - Google Patents
Compressor pump body assembly, compressor and air conditioning system Download PDFInfo
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- CN215409203U CN215409203U CN202121612510.6U CN202121612510U CN215409203U CN 215409203 U CN215409203 U CN 215409203U CN 202121612510 U CN202121612510 U CN 202121612510U CN 215409203 U CN215409203 U CN 215409203U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 76
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The application provides a compressor pump body subassembly, compressor and air conditioning system. The compressor pump body assembly comprises a partition plate assembly, a first partition plate and a second partition plate, wherein the first partition plate and the second partition plate are adjacently arranged in a contact manner; on the opposite side where the first partition plate and the second partition plate are combined, the first partition plate is provided with a first groove, and the second partition plate is provided with a second groove to form a partition plate cavity; the volume of the partition plate cavity is set to be V1, the displacement of the compressor is set to be V2, and the requirements that V1/V2 is more than or equal to 1.8 and less than or equal to 5 are met. This application makes predetermined ratio scope at the volume to the baffle chamber and the compressor displacement, can greatly set up the volume in baffle chamber, makes the compressor move under the high frequency operating mode, and it is more smooth and easy to exhaust, reaches and reduces the exhaust resistance, improves the operating efficiency of the compressor pump body.
Description
Technical Field
The application belongs to the technical field of air conditioning systems, and particularly relates to a compressor pump body assembly, a compressor and an air conditioning system.
Background
In order to realize large refrigerating capacity, the rotary compressor pump body adopts a double-cylinder or multi-cylinder structure, and generally adopts a four-exhaust structure, as shown in fig. 6, namely, an upper flange and a lower flange are both provided with exhaust holes, the upper end surface and the lower end surface of each cylinder are both provided with exhaust ports, two clapboards are arranged between the two cylinders, and the two clapboards are also provided with exhaust holes, so that an exhaust channel can be enlarged, and the exhaust loss of the compressor can be reduced.
However, the cold quantity of the double-cylinder compressor is further increased under the high-frequency working condition, and the exhaust channel of the conventional four-exhaust double-partition-plate structure is still insufficient: the volume of the middle cavity formed by the partition plate is small, and the problems of unsmooth air exhaust, large air exhaust loss, and large vibration and noise of the compressor still exist.
SUMMERY OF THE UTILITY MODEL
Therefore, the application provides a compressor pump body subassembly, compressor and air conditioning system, can solve among the prior art double-cylinder compressor under the high frequency operating mode, the compressor cold volume further increases, and the exhaust passage of conventional four exhaust double partition plate structures is still not enough, still has the problem that the compressor exhausts unsmoothly, exhaust loss is big.
In order to solve the above problem, the present application provides a compressor pump body assembly, including:
the baffle plate assembly comprises a first baffle plate and a second baffle plate, and the first baffle plate and the second baffle plate are adjacently arranged in contact; on the opposite side where the first partition plate and the second partition plate are combined, the first partition plate is provided with a first groove, and the second partition plate is provided with a second groove to form a partition plate cavity;
the volume of the partition plate cavity is set to be V1, the displacement of the compressor is set to be V2, and the requirements that V1/V2 is more than or equal to 1.8 and less than or equal to 5 are met.
Optionally, the first partition plate and the second partition plate are both provided with threaded holes, and the first partition plate and the second partition plate are connected through screws.
Optionally, the first partition plate and the second partition plate are respectively provided with an exhaust through hole which is communicated with each other and used for communicating two sides of the partition plate assembly.
According to another aspect of the present application, there is provided a compressor comprising a compressor pump body assembly as described above.
Optionally, the cross-sectional area of the first groove is S1, the cross-sectional area of the second groove is S2, the compressor includes a shell, and the cross-sectional area of an inner cavity of the shell is S3, which satisfies 0.3 ≤ S1/S3 ≤ 0.6, and 0.3 ≤ S2/S3 ≤ 0.6.
Optionally, at least two oil flow channels are arranged on the partition plate assembly, the total area of all the oil flow channels is S, and S/S3 is more than or equal to 0.3.
Optionally, the oil flow passage is spaced apart from the first groove and the second groove.
Optionally, the oil flow channel is provided at an outer periphery of the diaphragm assembly.
Alternatively, the cross-sectional shape of the oil flow passage includes a circular arc shape or a V shape.
According to a further aspect of the present application, there is provided an air conditioning system comprising a compressor pump body assembly as described above or a compressor as described above.
The application provides a compressor pump body subassembly includes: the baffle plate assembly comprises a first baffle plate and a second baffle plate, and the first baffle plate and the second baffle plate are adjacently arranged in contact; on the opposite side where the first partition plate and the second partition plate are combined, the first partition plate is provided with a first groove, and the second partition plate is provided with a second groove to form a partition plate cavity; the volume of the partition plate cavity is set to be V1, the displacement of the compressor is set to be V2, and the requirements that V1/V2 is more than or equal to 1.8 and less than or equal to 5 are met.
This application makes predetermined ratio scope at the volume to the baffle chamber and the compressor displacement, can greatly set up the volume in baffle chamber, makes the compressor move under the high frequency operating mode, and it is more smooth and easy to exhaust, reaches and reduces the exhaust resistance, improves the operating efficiency of the compressor pump body.
Drawings
FIG. 1 is a cross-sectional view of a compressor pump block assembly according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a baffle plate assembly according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a first separator according to an embodiment of the present application;
FIG. 4 is a schematic structural view of a second separator according to an embodiment of the present application;
FIG. 5 is a schematic view of a vent via according to an embodiment of the present application;
FIG. 6 is a cross-sectional view of a conventional compressor pump body assembly;
FIG. 7 is a graph of the pressure pulsation spectrum of a compressor according to an embodiment of the present application and a conventional technique;
fig. 8 is a graph showing COP of the compressor according to the embodiment of the present application.
The reference numerals are represented as:
1. an upper flange; 2. an upper cylinder; 3. a first separator; 31. a threaded hole; 4. a second separator; 41. a threaded hole; 5. a lower cylinder; 6. a lower flange; 7. a crankshaft; 8. a lower flange vent hole; 9. a lower roller; 10. a second separator vent; 11. a first separator vent; 12. an upper roller; 13. an upper flange exhaust hole; 14. and an exhaust through hole.
Detailed Description
Referring to fig. 1 to 5 in combination with fig. 7 and 8, according to an embodiment of the present application, a compressor pump body assembly includes:
the separator assembly comprises a first separator 3 and a second separator 4, wherein the first separator 3 and the second separator 4 are arranged in adjacent contact; on the opposite side where the first partition plate 3 and the second partition plate 4 are combined, the first partition plate 3 is provided with a first groove, and the second partition plate 4 is provided with a second groove, so that a partition plate cavity is formed;
the volume of the partition plate cavity is set to be V1, the displacement of the compressor is set to be V2, and the requirements that V1/V2 is more than or equal to 1.8 and less than or equal to 5 are met.
This application makes predetermined ratio scope at the volume to the baffle chamber and the compressor displacement, can greatly set up the volume in baffle chamber, makes the compressor move under the high frequency operating mode, and it is more smooth and easy to exhaust, reaches and reduces the exhaust resistance, improves the operating efficiency of the compressor pump body.
Research shows that the volume V1 of the middle cavity of the two partition plates is enlarged, and the value of V1/V2 is controlled to meet the requirement that V1/V2 is less than or equal to 5 and the problems of unsmooth exhaust and large exhaust resistance of the rotary compressor under a high-frequency working condition can be effectively solved.
As shown in FIG. 8, under the working condition of 190Hz, the COP curve of the compressor is obtained when the ratio of V1/V2 is 1.7-5. By controlling the value of V1/V2, the smooth exhaust of the compressor is facilitated, and the performance of the compressor under a high-frequency working condition is effectively improved.
In some embodiments, the first partition plate 3 and the second partition plate 4 are provided with threaded holes, and the two are connected through screws.
As shown in fig. 2-4, the first partition plate 3 is provided with threaded holes 31, the second partition plate 4 is provided with threaded holes 41, specifically four threaded holes, the upper partition plate and the lower partition plate are pre-assembled by four screws, and the first partition plate 3 and the second partition plate 4 are connected to form a partition plate assembly, so that the assembly of the whole partition plate assembly in the compressor is facilitated.
In some embodiments, the first partition plate 3 and the second partition plate 4 are provided with exhaust through holes 14 penetrating each other for communicating both sides of the partition plate assembly.
The vent through holes 14 may be disposed through or spaced from the baffle cavity. As shown in fig. 3 and 4, the exhaust through hole 14 is in the partition cavity, and the exhaust through hole 14 is outside the partition cavity as shown in fig. 5, in particular, in the double-cylinder compressor with the upper and lower flange structure, the gas exhausted by the lower flange 6 may not be exhausted to the partition cavity, but only pass through the holes on the partition, and the number and the shape of the exhaust holes are not limited.
According to another aspect of the present application, there is provided a compressor comprising a compressor pump body assembly as described above.
As shown in fig. 1, a schematic diagram of a pump body structure of a compressor mainly includes an upper flange 1, an upper cylinder 2, a partition plate assembly, a lower cylinder 5, a lower flange 6, a crankshaft 7, a lower slip sheet, a lower roller 9, an upper slip sheet and an upper roller 12, an upper flange vent hole 13 is formed in the upper flange 1, and a lower flange vent hole 8 is formed in the lower flange 6.
The baffle plate assembly comprises a first baffle plate 3 and a second baffle plate 4, the first baffle plate 3 is an upper baffle plate, the second baffle plate 4 is a lower baffle plate, the first baffle plate 3 and the second baffle plate 4 are adjacently arranged, the first baffle plate 3 is positioned below the upper cylinder 2, the second baffle plate 4 is positioned above the lower cylinder 5, a second baffle plate exhaust hole 10 is formed in the second baffle plate 4, a first baffle plate exhaust hole 11 is formed in the first baffle plate 3, meanwhile, valve seat grooves for installing parts such as exhaust valve plates and the like are respectively formed in the first baffle plate, a baffle cavity is formed in the maximization mode, exhaust of the rotary compressor under the high-frequency working condition is smoother, exhaust resistance is reduced, and efficiency of a compressor pump body is improved.
In some embodiments, the cross-sectional area of the first groove is S1, the cross-sectional area of the second groove is S2, the compressor comprises a shell, and the cross-sectional area of the inner cavity of the shell is S3, and the cross-sectional area of the inner cavity of the shell satisfies 0.3 ≦ S1/S3 ≦ 0.6, and 0.3 ≦ S2/S3 ≦ 0.6.
The value of V1/V2 can be achieved by increasing the thickness of the two partitions, but when the thickness of the partitions is increased to a certain extent, the span of the two eccentric portions of the crankshaft 7 is increased, bending deformation is easily generated, and the reliability of the compressor is lowered. It has been found through research that the problem of low reliability caused by a large span between two eccentric portions of the crankshaft 7 can be effectively alleviated by controlling the values of S1/S3 and S1/S2 so as to satisfy 0.3. ltoreq.S 1/S3. ltoreq.0.6 and 0.3. ltoreq.S 2/S3. ltoreq.0.6.
As shown in FIG. 7, when the value of V1/V2 is 2.5, the value of S1/S3 is 0.41, the value of S2/S3 is 0.43, and the value of S4+ S5)/S3 is 0.35, the comparison result between the pressure pulsation frequency spectrum (600 and 2000Hz) of the present invention and the prior art is shown in FIG. 8. Compared with the prior art, the double-cylinder compressor has small pressure pulsation, and can realize smooth exhaust of the double-cylinder compressor under a high-frequency working condition.
In some embodiments, at least two oil flow channels are arranged on the baffle plate assembly, and the total area of all the oil flow channels is S, so that S/S3 is more than or equal to 0.3.
If the baffle plate assembly is made to simultaneously satisfy the values of V1/V2, S1/S3 and S2/S3, compared with the conventional four-exhaust structure, the radial size of the baffle plate assembly is increased, and the oil flow cross-sectional area of a fluid area formed by the periphery of the baffle plate assembly and the shell is reduced; this application is through seting up the oil flow passageway at the baffle subassembly to the sectional area of the peripheral oil circulation of increase baffle subassembly. As shown in fig. 2 to 5, oil flow channels are arranged on both sides of the partition plate assembly, the cross-sectional area of one oil flow channel is S4, and the cross-sectional area of the other oil flow channel is S5, and it is found through research that by controlling the values of (S4+ S5)/S3 to satisfy (S4+ S5)/S3 > 0.3, the cross-sectional area of oil flow is increased, and the adverse effect of the expansion of the radial dimension of the partition plate on the oil flow is reduced, so that smooth circulation of an oil path is ensured.
In some embodiments, the oil flow passage is spaced apart from the first and second grooves. The oil flow passage is provided at an outer periphery of the diaphragm assembly.
The oil flow channel is arranged on the outer periphery of the clapboard component and is arranged at intervals with the first groove and the second groove.
In some embodiments, the cross-sectional shape of the oil flow passage includes a circular arc shape or a V shape.
In order to increase the sectional area of the oil flow channel on the periphery of the partition plate assembly, the partition plate assembly is provided with the circular groove, or the partition plate assembly can be realized by arranging the V-shaped groove or the combination of the V-shaped groove and the circular groove, and the shape of the section of the oil flow channel is not limited.
According to a further aspect of the present application, there is provided an air conditioning system comprising a compressor pump body assembly as described above or a compressor as described above.
It is easily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (10)
1. A compressor pump body assembly, comprising:
the separator plate assembly comprises a first separator plate (3) and a second separator plate (4), wherein the first separator plate (3) and the second separator plate (4) are arranged in adjacent contact; on the opposite side where the first partition plate (3) and the second partition plate (4) are combined, the first partition plate (3) is provided with a first groove, and the second partition plate (4) is provided with a second groove to form a partition plate cavity;
the volume of the partition plate cavity is set to be V1, the displacement of the compressor is set to be V2, and the requirements that V1/V2 is more than or equal to 1.8 and less than or equal to 5 are met.
2. Compressor pump body assembly according to claim 1, characterized in that the first partition (3) and the second partition (4) are provided with threaded holes, which are connected by screws.
3. Compressor pump body assembly according to claim 1 or 2, characterized in that the first partition plate (3) and the second partition plate (4) are provided with mutually through exhaust through holes (14) for communicating the two sides of the partition plate assembly.
4. A compressor, characterized by comprising a compressor pump body assembly according to any one of claims 1 to 3.
5. The compressor of claim 4, wherein the cross-sectional area of the first groove is S1, the cross-sectional area of the second groove is S2, the compressor includes a shell, the cross-sectional area of the inner cavity of the shell is S3, and the cross-sectional area of the inner cavity of the shell satisfies 0.3 ≦ S1/S3 ≦ 0.6, and 0.3 ≦ S2/S3 ≦ 0.6.
6. The compressor of claim 5, wherein at least two oil flow passages are provided on the diaphragm assembly, and the total area of all the oil flow passages is S, so that S/S3 is greater than or equal to 0.3.
7. The compressor of claim 6, wherein the oil flow passage is spaced from the first and second grooves.
8. The compressor of claim 6 or 7, wherein the oil flow passage is provided at an outer periphery of the diaphragm assembly.
9. The compressor of claim 8, wherein a cross-sectional shape of the oil flow passage includes a circular arc shape or a V shape.
10. An air conditioning system comprising a compressor pump body assembly according to any one of claims 1 to 3 or a compressor according to any one of claims 4 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121612510.6U CN215409203U (en) | 2021-07-15 | 2021-07-15 | Compressor pump body assembly, compressor and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121612510.6U CN215409203U (en) | 2021-07-15 | 2021-07-15 | Compressor pump body assembly, compressor and air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215409203U true CN215409203U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121612510.6U Active CN215409203U (en) | 2021-07-15 | 2021-07-15 | Compressor pump body assembly, compressor and air conditioning system |
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| Country | Link |
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| CN (1) | CN215409203U (en) |
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2021
- 2021-07-15 CN CN202121612510.6U patent/CN215409203U/en active Active
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