CN113374672A - Valve plate assembly, compressor and refrigerator with same - Google Patents
Valve plate assembly, compressor and refrigerator with same Download PDFInfo
- Publication number
- CN113374672A CN113374672A CN202110786363.2A CN202110786363A CN113374672A CN 113374672 A CN113374672 A CN 113374672A CN 202110786363 A CN202110786363 A CN 202110786363A CN 113374672 A CN113374672 A CN 113374672A
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- Prior art keywords
- valve
- valve plate
- tongue
- suction
- compressor
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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
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
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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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
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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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
Abstract
The application provides a valve plate assembly, a compressor and a refrigerator with the same, wherein the compressor comprises a valve plate and an air suction valve plate; the valve plate is provided with a suction hole; the thickness of the air suction valve plate is less than 0.152 mm; the air suction valve plate is provided with a valve tongue; the valve tongue is used for closing or opening the air suction hole; the waist width of the valve tongue is x; the width of the bottom of the valve tongue is y; wherein y > x. According to the valve plate assembly, the compressor and the refrigerator with the compressor, the response speed of the air suction and exhaust valve can be improved.
Description
Technical Field
The application belongs to the technical field of refrigerators, and particularly relates to a valve block assembly, a compressor and a refrigerator with the same.
Background
At present, a refrigerator compressor is a core power element of a refrigerator and accounts for more than 80% of the power consumption of a refrigerator system, and the running performance and reliability of an air valve of the refrigerator compressor are the key points of the design of the compressor.
However, the valve group assembly structure of the reciprocating compressor in the existing industry is mostly a single-hole reed valve with the thickness of 0.152-0.203 mm, and when the compressor runs at high frequency, such as above 70Hz, the air suction efficiency is low, the response speed of the air suction valve can be reduced, and the refrigerating capacity is not easy to guarantee. With the continuous increase of the rotating speed of the compressor, higher requirements are made on the noise and the performance of the air valve.
Therefore, how to provide a valve plate assembly capable of improving the response speed of the suction and exhaust valves, a compressor and a refrigerator with the compressor are problems to be solved urgently by those skilled in the art.
Disclosure of Invention
Therefore, the technical problem that this application will be solved lies in providing a valve block subassembly, compressor and have its refrigerator, can improve suction/exhaust valve response speed.
In order to solve the above problem, the present application provides a valve sheet assembly, including:
a valve plate; the valve plate is provided with a suction hole;
and an intake valve plate; the thickness of the air suction valve plate is less than 0.152 mm; the air suction valve plate is provided with a valve tongue; the valve tongue is used for closing or opening the air suction hole; the waist width of the valve tongue is x; the width of the bottom of the valve tongue is y; wherein y > x.
Further, a first partition part is arranged in the air suction hole, and the air suction hole is divided into a first air suction hole and a second air suction hole by the first partition part.
Further, the valve tongue comprises a first valve tongue and a second valve tongue; the first valve tongue is used for closing or opening the first air suction hole; and/or the second valve tongue is used for closing or opening the second suction hole.
Further, a second partition part is arranged between the first valve tongue and the second valve tongue; the second separating part is a strip-shaped part extending towards the tail part of the first valve tongue; the first separating part and the second separating part are correspondingly arranged in shape, size and position; the first partition has a width d 1; the width of the second partition is d 2; wherein d1 is more than or equal to d2+0.8 mm.
Furthermore, a valve plate exhaust hole is formed in the air suction valve plate; the second separating part is a linear or curved strip-shaped part; when the second partition part is a linear strip-shaped part, the circle center of the valve plate exhaust hole is located on the extension line of the strip-shaped part.
Furthermore, the air suction valve plate is also provided with an adjusting groove which is used for adjusting the waist width of the valve tongue.
Furthermore, the adjusting groove is a curve-shaped groove protruding towards the head of the valve tongue; a valve plate exhaust hole is also formed in the air suction valve plate; the valve plate exhaust hole is arranged on the inner peripheral side of the curved groove.
Further, the height from the waist to the bottom of the valve tongue is z; wherein z is less than or equal to y;
and/or the height of the valve tongue is H; wherein H/z is more than or equal to 0.5 and less than or equal to 2; and/or, H/x is more than or equal to 0.5 and less than or equal to 4.
According to still another aspect of the present application, there is provided a compressor, including a valve plate assembly, the valve plate assembly being the above valve plate assembly.
According to still another aspect of the application, a refrigerator is provided, wherein the refrigerator is the refrigerator.
The application provides a valve block subassembly, compressor and have its refrigerator improve suction and exhaust valve response speed.
Drawings
FIG. 1 is a schematic structural diagram of an intake valve sheet according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a valve plate according to an embodiment of the present application;
FIG. 3 is a schematic view of an installation structure of a valve plate assembly on an exhaust side according to an embodiment of the present application;
FIG. 4 is a schematic view of an installation structure of the valve plate assembly on the suction side according to the embodiment of the present application;
FIG. 5 is a schematic view of an installation structure of a valve plate assembly according to another embodiment of the present application;
FIG. 6 is a schematic structural view of an intake valve sheet according to a comparative example;
fig. 7 shows the results of the volumetric efficiency experiments of example 1 and comparative example of the present application.
The reference numerals are represented as:
1. a valve plate; 111. a first air-intake hole; 112. a second suction hole; 12. a first partition; 13. a valve plate exhaust hole; 2. an air suction valve plate; 21. a valve tongue; 211. a first valve tongue; 212. a second valve tongue; 22. a second partition part; 23. an adjustment groove; 24. a valve plate exhaust hole; 25. a valve plate vent hole; 3. a suction valve gasket; 4. an air discharge valve plate.
Detailed Description
Referring to fig. 1-5 in combination, a valve plate assembly comprises a valve plate 1 and a suction valve plate 2; the valve plate 1 is provided with a suction hole; the thickness of the suction valve plate 2 is less than 0.152 mm; the air suction valve plate 2 is provided with a valve tongue 21; the valve tongue 21 is used for closing or opening the air suction hole; the waist width of the valve tongue 21 is x; the width of the bottom of the valve tongue 21 is y; wherein y > x. The mass is reduced, the response frequency is improved, the rigidity of the valve plate is not too small through the length of the valve plate, and the refrigerating capacity and the refrigerating performance at a higher rotating speed are ensured. y is larger than x, so that the surface of the air suction valve plate 2 is narrow in waist and wide in bottom, reasonable stress distribution is ensured, and the operation reliability of the valve plate is improved. The thickness of the valve plate is less than 0.152mm, the width of the bottom part is larger than that of the waist part, the rigidity is not too low, and the response frequency of the air valve is ensured. The air suction valve has better air suction efficiency, and can improve the response speed of the air suction valve and the air exhaust valve; when the compressor runs at a high rotating speed, the flow of the refrigerant is larger, the suction valve has a faster self-vibration frequency, and is not too soft, so that the stress is not too large, and the suction valve runs reliably; when the compressor runs at a low rotating speed, the rigidity of the air valve is moderate and not too high, and the energy efficiency of low-frequency running can be ensured. The technical scheme of the application can solve the problems that when the compressor runs at a high rotating speed, the refrigerant flow is large, the requirement on the natural vibration frequency of the air valve is high, and the traditional single-hole air valve cannot meet the requirement, so that the air valve generates high-frequency backflow when the response is not in time; the problem that the energy efficiency is low due to the fact that the thickness of a traditional air valve is too large when the compressor runs at a low rotating speed can be solved. The thickness of the air suction valve plate 2 is designed to be less than 0.152mm, such as 0.127mm, 0.102mm and 0.076mm, so that the equivalent mass is reduced, and the high-frequency response speed of the valve plate is improved. The valve plate 1 is also provided with a valve plate 1 exhaust hole.
The application also discloses some embodiments, be provided with first partition 12 in the suction opening, first partition 12 separates the suction opening into first suction opening 1 and second suction opening 2. This application is diplopore suction structure, and first partition 12 forms the sharing valve gap of first suction opening 1 and second suction opening 2, and valve plate 1 also is the double suction opening, adds a partition bridge in the middle of by a suction opening and comes, compact structure, and the commonality is good.
The present application also discloses embodiments, wherein the valve tongue 21 comprises a first valve tongue 211 and a second valve tongue 212; the first valve tongue 211 is used for closing or opening the first air suction hole 1; and/or the second valve tongue 212 is used to close or open the second suction hole 2.
The present application also discloses embodiments having a second partition 22 between the first valve flap 211 and the second valve flap 212; the second partition part 22 is a strip-shaped part extending towards the tail part of the first valve tongue 211; the first partition part 12 and the second partition part 22 are correspondingly arranged in shape, size and position; the width of the first partition 12 is d 1; the width of the second partition 22 is d 2; wherein d1 is more than or equal to d2+0.8 mm. After the valve plate 1 and the suction valve plate 2 are mounted together, the first partition part 12 and the second partition part 22 are attached to form a sealing structure, so that the sealing performance of the first suction hole 1 and the second suction hole 2 is ensured, and the structure of the technical scheme is compact. The first valve tongue 211 and the second valve tongue 212 are both of asymmetric structures, and are characterized in that the waist is narrow, the bottom is wide, stress distribution is reasonable, and the operation reliability of the valve plate is improved. And the width of the first partition part 12 is at least 0.8mm larger than that of the second partition part 22, so that the sealing effect of the double-side air valve can be ensured. The first partition 12 also increases the strength of the suction valve port, so that the valve plate 1 can be made as thin as 1.0 to 3.0 mm.
The application also discloses some embodiments, a valve plate vent hole 24 is further formed in the air suction valve plate 2; the second partition 22 is a linear or curved strip-shaped portion; when the second partition 22 is a linear strip, the center of the valve sheet vent hole 24 is located on the extension line of the strip. The sheet discharge hole 24 is located on the center perpendicular line in the width direction of the strip portion, i.e., the discharge port is located below the first suction hole 1 and the second suction hole 2, concentrically with the intermediate valve gap. Therefore, the distance between the air suction port and the air exhaust port can be ensured, and the influence of suction overheating on the refrigerating capacity due to heat exchange is prevented. The air suction valve plate 2 is also provided with a valve plate vent hole 25.
The application also discloses some embodiments, still be provided with adjustment tank 23 on the suction valve piece 2, adjustment tank 23 is used for adjusting the waist width of valve tongue 21. The adjusting groove 23 adjusts the exhaust port between the lower valve gap by adjusting the waist width of the valve tongue 21, the lower valve gap is used for adjusting the overall rigidity of the valve plate, so that the valve plate is in a reasonable range, when the lower valve gap is closer to the waist of the valve tongue 21, the waist width is smaller, the rigidity of the waist is smaller, and when the lower valve gap is further from the waist of the valve tongue 21, the waist width is larger, and the rigidity of the waist is larger. The single air suction hole is characterized in that the thickness of the valve plate is less than 0.152mm, the width of the bottom part is greater than that of the waist part, the rigidity is not too low, and the response frequency of the air valve is ensured.
The application also discloses some embodiments, the adjusting groove 23 is a curved groove protruding towards the head of the valve tongue 21; a valve plate vent hole 24 is also formed in the air suction valve plate 2; the valve sheet exhaust hole 24 is provided on the inner peripheral side of the curved groove.
The application also discloses embodiments, wherein the height from the waist part to the bottom part of the valve tongue 21 is z; wherein z is less than or equal to y. The bottom of the valve tongue 21 can be prevented from being subjected to excessive pressure. The width of the waist part and the bottom part of the valve tongue 21 satisfies y > x, the bending direction z is less than or equal to y, the rigidity is not too small, and the bottom part can be prevented from bearing excessive pressure.
The application also discloses embodiments, the height of the valve tongue 21 is H; wherein H/z is more than or equal to 0.5 and less than or equal to 2; and/or, H/x is more than or equal to 0.5 and less than or equal to 4. Under the parameter, the rigidity of the valve plate can be ensured not to be too small, and the refrigerating capacity and the performance when the rotating speed is higher can be ensured. When the compressor runs at a low rotating speed, the rigidity of the air valve is moderate and not too high, and the energy efficiency of low-frequency running can be ensured. The height of the valve tongue 21 refers to the entire height of the valve tongue 21, i.e., the entire length from the top to the bottom.
Referring to fig. 6, the valve system of the piston compressor in the prior art is formed by sequentially laminating an air suction valve gasket 3 ', an air suction valve plate 2', a valve plate 1 'and an air discharge valve plate 4' on the head of a cylinder to form a valve plate assembly. The valve is characterized in that only one air suction valve plate 2' is arranged, and the design thickness of the valve plate is 0.152-0.203 mm. When the thickness specification of the valve plate is lower than 0.152mm, the opening height of the valve plate is too large, reliable operation cannot be guaranteed, moreover, the inherent frequency of the valve plate is insufficient, and when the operation high frequency of the compressor is 4500r/min or above, the air valve flows back, so that the refrigerating capacity of the compressor is insufficient.
Example 1
The structure of the valve plate 1 in embodiment 1 is shown in fig. 1, and the thickness of the valve plate 1 is 2.5 mm; the parameters of the valve tongue 21 are as follows: h is 9.8 mm; z is 1.55 mm; x is 5.76 mm; y is 7.32 mm; the width d1 of the first partition 12 is 1.4 mm; the width d2 of the second partition 22 is 0.3 mm; the sum of the suction areas of the first suction holes 1 and the second suction holes 2 is 50mm2。
Comparative example 1
The structure of the valve plate 1' in comparative example 1 is shown in fig. 6, and the thickness of the valve plate 1 is 2.5 mm; the parameters of the valve tongue are as follows: the height of the valve tongue is 25 mm; the suction area of the suction hole is 56mm2。
According to the attached drawing 7, the valve plate assembly can effectively improve the response frequency, reduce the high-frequency backflow and improve the high-frequency operation refrigerating capacity.
According to the embodiment of the application, the compressor comprises the valve plate assembly, and the valve plate assembly is the valve plate assembly.
According to an embodiment of the application, a refrigerator is provided, which comprises a compressor, wherein the compressor is the compressor.
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 intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. 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 valve plate assembly, comprising:
a valve plate (1); the valve plate (1) is provided with a suction hole;
and a suction valve plate (2); the thickness of the air suction valve plate (2) is less than 0.152 mm; a valve tongue (21) is arranged on the air suction valve plate (2); the valve tongue (21) is used for closing or opening the air suction hole; the waist width of the valve tongue (21) is x; the width of the bottom of the valve tongue (21) is y; wherein y > x.
2. The valve sheet assembly according to claim 1, wherein a first partition (12) is provided in the suction hole, and the first partition (12) partitions the suction hole into a first suction hole (111) and a second suction hole (112).
3. The valve plate assembly of claim 2, wherein the valve flap (21) comprises a first flap (211) and a second flap (212); the first valve tongue (211) is used for closing or opening the first air suction hole (111); and/or the second valve tongue (212) is used for closing or opening the second suction hole (112).
4. The valve plate assembly of claim 3, wherein the first valve tongue (211) and the second valve tongue (212) have a second partition (22) therebetween; the second separating part (22) is a strip-shaped part extending towards the tail part of the first valve tongue (211); the first partition part (12) and the second partition part (22) are correspondingly arranged in shape, size and position; the first partition (12) has a width d 1; the second partition (22) has a width d 2; wherein d1 is more than or equal to d2+0.8 mm.
5. The valve plate assembly of claim 4, wherein the suction valve plate (2) is further provided with a plate exhaust hole (24); the second partition part (22) is a linear or curved strip-shaped part; when the second separating part (22) is a linear strip-shaped part, the circle center of the valve plate exhaust hole (24) is located on the extension line of the strip-shaped part.
6. The valve plate assembly of claim 1, wherein the suction valve plate (2) is further provided with an adjusting groove (23), and the adjusting groove (23) is used for adjusting the waist width of the valve tongue (21).
7. Valve plate assembly according to claim 6, characterized in that the adjustment groove (23) is a curved groove projecting in the direction of the head of the valve tongue (21); the air suction valve plate (2) is also provided with a valve plate vent hole (24); the valve plate exhaust hole (24) is formed in the inner peripheral side of the curved groove.
8. Valve plate assembly according to claim 1, characterized in that the waist-to-bottom height of the valve tongue (21) is z; wherein z is less than or equal to y;
and/or the height of the valve tongue (21) is H; wherein H/z is more than or equal to 0.5 and less than or equal to 2; and/or, H/x is more than or equal to 0.5 and less than or equal to 4.
9. A compressor comprising a valve plate assembly, wherein the valve plate assembly is as claimed in any one of claims 1 to 8.
10. A refrigerator comprising a compressor, characterized in that the compressor is the compressor of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110786363.2A CN113374672B (en) | 2021-07-12 | 2021-07-12 | Valve plate assembly, compressor and refrigerator with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110786363.2A CN113374672B (en) | 2021-07-12 | 2021-07-12 | Valve plate assembly, compressor and refrigerator with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113374672A true CN113374672A (en) | 2021-09-10 |
| CN113374672B CN113374672B (en) | 2022-12-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110786363.2A Active CN113374672B (en) | 2021-07-12 | 2021-07-12 | Valve plate assembly, compressor and refrigerator with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113374672B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889030A (en) * | 2016-05-30 | 2016-08-24 | 安徽美芝制冷设备有限公司 | Intake/exhaust valve component of compressor and compressor with same |
| CN206092338U (en) * | 2016-10-12 | 2017-04-12 | 黄石东贝电器股份有限公司 | Valve assembly and compressor are inhaled to double tongue spring |
| JP2019218879A (en) * | 2018-06-18 | 2019-12-26 | 株式会社ヴァレオジャパン | Suction valve structure for reciprocating compressor, and reciprocating compressor |
| CN110792577A (en) * | 2019-11-11 | 2020-02-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Suction valve plate, cylinder head assembly, compressor and air conditioner |
-
2021
- 2021-07-12 CN CN202110786363.2A patent/CN113374672B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889030A (en) * | 2016-05-30 | 2016-08-24 | 安徽美芝制冷设备有限公司 | Intake/exhaust valve component of compressor and compressor with same |
| CN206092338U (en) * | 2016-10-12 | 2017-04-12 | 黄石东贝电器股份有限公司 | Valve assembly and compressor are inhaled to double tongue spring |
| JP2019218879A (en) * | 2018-06-18 | 2019-12-26 | 株式会社ヴァレオジャパン | Suction valve structure for reciprocating compressor, and reciprocating compressor |
| CN110792577A (en) * | 2019-11-11 | 2020-02-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Suction valve plate, cylinder head assembly, compressor and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN113374672B (en) | 2022-12-20 |
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