CN113864201A - Exhaust valve assembly, compressor and air conditioner - Google Patents
Exhaust valve assembly, compressor and air conditioner Download PDFInfo
- Publication number
- CN113864201A CN113864201A CN202111236208.XA CN202111236208A CN113864201A CN 113864201 A CN113864201 A CN 113864201A CN 202111236208 A CN202111236208 A CN 202111236208A CN 113864201 A CN113864201 A CN 113864201A
- Authority
- CN
- China
- Prior art keywords
- valve plate
- exhaust
- valve
- lower valve
- assembly according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000013016 damping Methods 0.000 claims abstract description 52
- 239000003507 refrigerant Substances 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000000576 coating method Methods 0.000 claims description 10
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 description 15
- 230000009471 action Effects 0.000 description 8
- 230000009467 reduction Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The application provides a discharge valve subassembly, compressor and air conditioner. This discharge valve subassembly includes flange (1) and exhaust subassembly, flange (1) is provided with disk seat (2), disk seat (2) are provided with gas vent (3), exhaust subassembly sets up on disk seat (2), exhaust subassembly includes upper valve piece (4) and lower valve piece (5), lower valve piece (5) set up on disk seat (2), lower valve piece (5) are provided with refrigerant opening (6) corresponding to gas vent (3), gas vent (3) fall into refrigerant opening (6) along the projection scope of air current flow direction completely along the projection scope of air current flow direction, upper valve piece (4) can seal refrigerant opening (6), lower valve piece (5) are provided with damping material (10) towards one side of disk seat (2), damping material (10) are located the periphery side of gas vent (3). According to the exhaust valve component, the acting force of the valve plate for slapping the valve seat can be effectively reduced, and the running noise of the compressor is reduced.
Description
Technical Field
The application relates to the technical field of compressors, in particular to an exhaust valve assembly, a compressor and an air conditioner.
Background
The compressor is the core component of the refrigeration equipment, and the performance and reliability of the compressor directly determine the quality of the refrigeration equipment. The compressor pump body mainly comprises a cylinder, a crankshaft, a cover plate, a slip sheet, a flange, an exhaust valve component and the like, when the compressor operates, the crankshaft rotates in the cylinder and drives the slip sheet to reciprocate, low-pressure refrigerants are sucked and compressed by changing the volume of the cylinder, when the pressure of the refrigerants is condensed, the high-pressure refrigerants push an exhaust valve sheet open through a flange exhaust port to exhaust, and the exhaust port is closed and closed by the valve sheet after the exhaust is finished, so that the whole processes of air suction, compression and exhaust are completed.
In the process, the exhaust valve plate is opened and closed continuously, and due to the action of pressure difference and elastic deformation, the exhaust valve plate is easy to generate larger flapping acting force when being closed, so that noise is generated. Therefore, how to reduce the acting force of the valve plate for slapping the valve seat is a key content of research on reducing the running noise of the compressor.
Disclosure of Invention
Therefore, the technical problem that this application will be solved lies in providing a discharge valve subassembly, compressor and air conditioner, can effectively reduce the effort that the valve block slapped the disk seat, reduces compressor operating noise.
In order to solve the problem, the application provides a discharge valve subassembly, including flange and exhaust subassembly, the flange is provided with the disk seat, the disk seat is provided with the gas vent, exhaust subassembly sets up on the disk seat, exhaust subassembly includes valve block and lower valve block, the lower valve block sets up on the disk seat, the lower valve block is provided with the refrigerant circulation hole corresponding to the gas vent, the gas vent falls into the refrigerant circulation hole completely along the projection scope of air flow direction along the projection of air flow direction, the upper valve block can seal the refrigerant circulation hole, one side of lower valve block towards the disk seat is provided with damping material, damping material is located the periphery side of gas vent.
Preferably, the damping material is secured to the lower valve plate by interference fit and/or glue bonding.
Preferably, the upper valve plate and the lower valve plate are both fixed at the first ends, and the second ends are suspended to form a cantilever structure.
Preferably, the upper valve plate and/or the lower valve plate are/is coated with a damping coating.
Preferably, the length of the lower valve plate is greater than or equal to the length of the upper valve plate.
Preferably, the upper valve plate comprises a tail part, a waist part and a head part, the waist part of the upper valve plate has the width of delta and the thickness of t, wherein delta/t is 4.9-8.3; and/or the lower valve plate comprises a tail part, a waist part and a head part, the waist part of the lower valve plate is delta in width, the thickness is t, and delta/t is 4.9-8.3.
Preferably, the rigidity of the upper valve plate is K1, the rigidity of the lower valve plate is K2, and K1/K2 is 0.9-4.6.
Preferably, the lower valve plate is made of a rigid material.
Preferably, the upper surface and the lower surface of the upper valve plate are coated with vibration damping coatings; and/or the upper surface and the lower surface of the lower valve plate are coated with vibration damping coatings.
Preferably, the damping coating is graphite or PTFE.
Preferably, the upper valve plate comprises at least one valve plate; and/or the lower valve plate comprises at least one valve plate.
According to another aspect of the present application, there is provided a compressor comprising a discharge valve assembly as described above.
According to another aspect of the present application, there is provided an air conditioner including a discharge valve assembly as described above.
The application provides an exhaust valve subassembly, including flange and exhaust subassembly, the flange is provided with the disk seat, the disk seat is provided with the gas vent, the exhaust subassembly sets up on the disk seat, the exhaust subassembly includes valve block and lower valve block, the lower valve block sets up on the disk seat, the lower valve block is provided with the refrigerant circulation hole corresponding to the gas vent, the gas vent falls into the refrigerant circulation hole completely along the projection scope of air flow direction along the projection of air flow direction, the refrigerant circulation hole can be sealed to the upper valve block, the lower valve block is provided with damping material towards one side of disk seat, damping material is located the periphery side of gas vent. This discharge valve subassembly adopts many valve plates structure, and make the gas vent fall into the projection scope of refrigerant circulation hole along the air current flow direction completely along the projection of air current flow direction, after the refrigerant discharges from the gas vent, because refrigerant circulation hole trompil is great, the refrigerant can directly pass lower valve block, can not exert an influence to the exhaust, thereby higher exhaust efficiency has, when the exhaust is finished, because the combined action of pressure differential and last valve block deformation force, go up the valve block downstream, directly slap on lower valve block, because lower valve block is provided with damping material towards one side of disk seat, consequently can produce tremble consumption vibration energy through lower valve block this moment, utilize the damping material who contacts one side with the disk seat to carry out damping simultaneously, absorb partial impact energy, reduce the impact to the disk seat, thereby effectively reduce the running noise of compressor.
Drawings
FIG. 1 is an exploded view of a pump block assembly according to one embodiment of the present application;
FIG. 2 is a schematic structural view of a pump block assembly according to an embodiment of the present application;
FIG. 3 is an enlarged schematic view of FIG. 2 at L;
FIG. 4 is a schematic view of a lower plate of a vent valve assembly according to an embodiment of the present application;
FIG. 5 is a schematic view of a lower plate of a vent valve assembly according to an embodiment of the present application;
FIG. 6 is a schematic view of a lower plate of a vent valve assembly according to an embodiment of the present application;
FIG. 7 is a schematic sectional view taken along line A-A of FIG. 5;
FIG. 8 is a schematic view of a lower plate of a vent valve assembly according to an embodiment of the present application;
FIG. 9 is a schematic structural view of a vent valve assembly according to an embodiment of the present application;
FIG. 10 is a schematic structural view of a vent valve assembly according to an embodiment of the present application;
FIG. 11 is an exploded view of a vent valve assembly according to an embodiment of the present application;
FIG. 12 is a schematic structural view of a vent valve assembly according to an embodiment of the present application;
FIG. 13 is an exploded view of a vent valve assembly according to an embodiment of the present application;
FIG. 14 is a schematic structural view of a vent valve assembly according to an embodiment of the present application;
FIG. 15 is an exploded view of a vent valve assembly according to an embodiment of the present application;
FIG. 16 is a dimensional view of the lower plate of the exhaust valve assembly according to an embodiment of the present application;
FIG. 17 is a noise contrast curve of the upper and lower valve plates of the discharge valve assembly of the embodiment of the present application at different δ/t under the nominal refrigeration condition and the original scheme;
FIG. 18 is a noise contrast curve of the upper and lower valve plates of the discharge valve assembly of the embodiment of the present application with different δ/t values under the two-stage and three-stage rated refrigeration conditions and the original scheme;
FIG. 19 is a noise contrast curve of the upper and lower valve plates of the discharge valve assembly of the embodiment of the present application at different δ/t under the nominal refrigeration condition and the original scheme;
FIG. 20 is a noise contrast curve of the upper and lower valve plates of the discharge valve assembly of the embodiment of the present application with different δ/t values under the two-stage and three-stage rated refrigeration conditions and the original scheme;
FIG. 21 is a noise contrast curve of the upper and lower valve plates of the discharge valve assembly of the present application under different K1/K2 under nominal refrigeration conditions as compared to the original scheme;
FIG. 22 is a noise contrast curve of the upper and lower valve plates of the discharge valve assembly of the present application with different K1/K2 under two and three stages of rated cooling conditions as compared to the original design.
The reference numerals are represented as:
1. a flange; 2. a valve seat; 3. an exhaust port; 4. an upper valve plate; 5. a lower valve plate; 6. a refrigerant circulation hole; 7. vibration reduction support legs; 8. a head portion; 9. mounting holes; 10. a damping material; 11. a vibration damping tank; 12. a valve plate baffle; 13. a roller; 14. a crankshaft; 15. sliding blades; 16. and a cylinder.
Detailed Description
With reference to fig. 1 to 22, according to the embodiment of the present application, the exhaust valve assembly includes a flange 1 and an exhaust assembly, the flange 1 is provided with a valve seat 2, the valve seat 2 is provided with an exhaust port 3, the exhaust assembly is disposed on the valve seat 2, the exhaust assembly includes an upper valve plate 4 and a lower valve plate 5, the lower valve plate 5 is disposed on the valve seat 2, the lower valve plate 5 is provided with a refrigerant circulation hole 6 corresponding to the exhaust port 3, the exhaust port 3 completely falls into a projection range of the refrigerant circulation hole 6 along an airflow flowing direction along the airflow flowing direction, the upper valve plate 4 can seal the refrigerant circulation hole 6, one side of the lower valve plate 5 facing the valve seat 2 is provided with a damping material 10, and the damping material 10 is located on the outer periphery side of the exhaust port 3.
The exhaust valve component adopts a multi-valve-plate structure, and the projection of the exhaust port 3 along the airflow flowing direction is completely in the projection range of the refrigerant circulating hole 6 along the airflow flowing direction, after the refrigerant is discharged from the exhaust port 3, the refrigerant can directly pass through the lower valve plate 5 without influencing the exhaust due to the larger opening of the refrigerant circulation hole 6, thereby having higher exhaust efficiency, at the end of the exhaust, the upper valve plate 4 moves downwards due to the combined action of the pressure difference and the deformation force of the upper valve plate 4, directly slaps on the lower valve plate 5, because the damping material is arranged on one side of the lower valve plate 5 facing the valve seat 2, the lower valve plate 5 can generate vibration to consume vibration energy, meanwhile, damping vibration reduction is carried out by using a damping material on one side in contact with the valve seat 2, partial impact energy is absorbed, and impact on the valve seat 2 is reduced, so that the running noise of the compressor is effectively reduced.
In this embodiment, the exhaust valve assembly uses two or more valve plates with different stiffness, wherein the lower valve plate 5 does not move, and the upper valve plate 4 reciprocates between the dead points of the valve seat 2 and the valve plate baffle 12, and simultaneously, the damping effect is enhanced by adding damping material on the lower valve plate 5. The exhaust valve component of the embodiment of the application has the advantages that the simple and compact structure is used, and the acting force of the valve plate for slapping the valve seat is greatly reduced.
In one embodiment, the damping material 10 is fixed to the lower valve plate 5 by interference fit and/or glue bonding. In this embodiment, damping material 10 can be in the same place with lower valve plate 5 between through interference fit's mode fixed connection, also can be in the same place through glue bonding's mode fixed connection, can also be in the same place through interference fit and glue bonding combined action's mode fixed connection, damping material 10 also can be in the same place with lower valve plate 5 between through the mode fixed connection of joint.
In this embodiment, the damping material 10 is the ring form, and the installation end of damping material 10 is provided with the erection column, is provided with the mounting hole on the lower valve plate 5, and damping material 10 passes through the erection column and installs in the mounting hole of lower valve plate 5, is interference fit between the erection column of damping material 10 and the mounting hole of lower valve plate 5, also can glue simultaneously and fix to further improve the connection structure's between damping material 10 and the lower valve plate 5 steadiness.
In this embodiment, the damping material 10 is disposed on the upper and lower sides of the lower valve plate 5, and the mounting posts of the damping material 10 on the upper and lower sides are butted in the mounting holes of the lower valve plate 5, so that the upper and lower sides of the lower valve plate 5 can form effective damping vibration attenuation through the damping material 10.
In one embodiment, the upper valve plate 4 and the lower valve plate 5 are both fixed at the first end, and the second end is suspended to form a cantilever structure, so that a better damping effect can be generated by utilizing the cantilever structure.
In one embodiment, the lower valve plate 5 further comprises a damping leg 7, and the lower valve plate 5 is fixedly connected to the valve seat 2 through the end of the damping leg 7.
In this embodiment, the valve plate is of a single-leg structure, and effective vibration and noise reduction is achieved by means of superposition of multiple valve plates.
In one embodiment, the upper valve plate 4 and/or the lower valve plate 5 are coated with a vibration damping coating. In this embodiment, the upper and lower surfaces of the upper and lower valve plates 4 and 5 are coated with vibration damping coatings such as graphite and PTFE, which can reduce the flapping force of the valve plates. The thickness H of the upper coating layer and the thickness H of the lower coating layer of each valve plate can be equal or unequal.
The refrigerant flow hole 6 formed at the head of the lower valve plate 5 is, for example, circular, rhombic, parallelogram or other shapes, and the refrigerant flow hole 6 on the lower valve plate 5 cannot block the exhaust port 3 on the valve seat 2, so as to avoid reducing the compression efficiency of the compressor.
The upper valve plate 4 is not provided with the refrigerant circulation hole 6, but adopts a flat plate structure, so that the refrigerant circulation hole 6 on the lower valve plate 5 and the exhaust port 3 on the valve seat 2 can be completely covered and sealed.
The damping material 10 can be rubber or plastic flexible material such as silica gel, PA, PC, PTFE, etc., and is connected and fixed by a fastener in an interference fit or other stable and reliable mode, and the maximum outer diameter phi A of the damping material 10 is less than or equal to the head diameter phi B of the lower valve plate 5.
In one embodiment, the length of the lower valve plate 5 is greater than or equal to the length of the upper valve plate 4, so that the upper valve plate 4 can be ensured to completely flap on the lower valve plate 5, and the flap acting force of the upper valve plate 4 on the valve seat 2 can be effectively absorbed through the lower valve plate 5.
The lower valve plate 5 is made of rigid materials such as metal, and the thickness of the lower valve plate can be smaller, so that the clearance volume is effectively reduced.
In one embodiment, the upper flap 4 comprises at least one flap; and/or the lower valve plate 5 comprises at least one valve plate.
In one embodiment, the valve seat 2 is provided with a damping groove 11, and the damping groove 11 is disposed corresponding to a middle portion of the lower valve plate 5. Because the valve seat 2 is provided with the vibration reduction groove 11, the lower valve plate 5 can generate a stronger deformation flutter effect after being flapped, so that more flapwise energy is consumed, and a better vibration reduction effect is formed.
In one embodiment, the number of the upper valve plates 4 is two, the number of the lower valve plates 5 is one, and the two upper valve plates 4 are sequentially stacked on the lower valve plates 5 from bottom to top and fixed on the valve seat 2 by rivets.
In one embodiment, the number of the upper valve plates 4 is one, the number of the lower valve plates 5 is two, and the two lower valve plates 5 are stacked from bottom to top and fixed on the valve seat 2 by rivets.
In one embodiment, the number of the upper valve plates 4 is two, the number of the lower valve plates 5 is two, and the two upper valve plates 4 and the two lower valve plates 5 are stacked in sequence from bottom to top and are fixed on the valve seat 2 by rivets.
The number of the upper valve plate 4 and the lower valve plate 5 can be other numbers, and the upper valve plate and the lower valve plate are sequentially assembled and fixed in a stacking mode from bottom to top.
In one embodiment, the upper flap 4 includes a tail portion, a waist portion and a head portion 8, the waist portion of the upper flap 4 has a width δ and a thickness t, wherein δ/t is 4.9-8.3. Referring to fig. 17 and 18 in combination, it is shown that the ratio of the waist width δ to the thickness t of the upper valve plate 4 is a noise comparison curve between the nominal refrigeration and the two and three-stage rated refrigeration conditions and the original scheme, and it can be seen that the noise of the compressor operating frequency above 25Hz is significantly better than the related art scheme (δ/t is 8.3, single valve plate).
In one embodiment, the lower valve plate 5 comprises a tail part, a waist part and a head part 8, the waist part of the lower valve plate 5 has a width δ and a thickness t, wherein δ/t is 4.9-8.3. Referring to fig. 19 and 20, it is shown that the noise contrast curve of the ratio of the waist width δ to the thickness t of the lower valve plate 5 between the nominal refrigeration and the two and three-stage rated refrigeration conditions and the original scheme shows that the noise of the compressor with the operation frequency above 25Hz is significantly better than that of the related art scheme (δ/t is 8.3, single valve plate).
In one embodiment, the rigidity of the upper valve plate 4 is K1, the rigidity of the lower valve plate 5 is K2, and K1/K2 is 0.9-4.6. Referring to fig. 21 and 22, noise contrast curves of different stiffness ratios of the upper and lower valve plates under nominal refrigeration and two-three-stage rated refrigeration conditions and an original scheme are shown, wherein the related technical scheme refers to a compressor with a single discharge valve plate structure. Here, K refers to a single vane stiffness in the related art, K1 refers to an upper vane stiffness, and K2 refers to a lower vane stiffness.
Fig. 21 is a noise comparison curve of the upper and lower valve plates with different stiffness ratios (K1/K2 is 0.9-4.6) under the nominal refrigeration condition and the related technical scheme, and it can be seen that the noise of the compressor with the operation frequency above 25Hz is significantly better than that of the related single valve plate scheme (K is 5.5).
Fig. 22 is a noise comparison curve of the upper and lower valve plates with different stiffness ratios (K1/K2 is 0.9-4.6) under the two-stage and three-stage refrigeration working conditions and the related technical scheme, and it can be seen that the noise of the compressor with the operating frequency above 25Hz is significantly better than that of the single valve plate scheme (K is 5.5) in the related art.
According to an embodiment of the present application, the compressor comprises a discharge valve assembly, which is the discharge valve assembly described above.
When the compressor normally works, the crankshaft 14 rotates to drive the roller 13 to move in the cylinder 16, the roller 13 is matched with the slide sheet 15, so that the volume of a suction cavity of the cylinder 16 is increased, a low-pressure refrigerant enters the cylinder 16 from a suction port, when the crankshaft 14 rotates to a certain angle, the compressor finishes suction, the volume of an air cavity is gradually reduced to enter a refrigerant compression state, and the upper valve sheet 4 is closed in the suction and compression processes.
When the compressed refrigerant reaches the exhaust pressure, the upper valve plate 4 is pushed upwards to the valve plate baffle 12 under the action of the pressure difference of the refrigerant, the refrigerant circulation hole 6 of the lower valve plate 5 cannot shield the exhaust port 3, no refrigerant can impact the bottom of the lower valve plate 5, so the bottom pressure of the lower valve plate 5 is lower, the top pressure is higher condensation pressure inside the shell, the lower valve plate 5 is tightly pressed on the valve seat 2 under the action of high-pressure refrigerant in the shell, and the axial or other-direction movement cannot be generated.
The high-temperature and high-pressure refrigerant is gradually discharged out of the pump body through the exhaust port 3 along with the continuous rotation of the crankshaft 14, the internal pressure of the pump body is gradually reduced, and the upper valve plate 4 moves downwards until the exhaust port 3 is closed under the combined action of the refrigerant pressure difference and the valve plate spring force. In the closing process, the lower valve plate 5 is flapped to cause the lower valve plate 5 to generate flutter of different degrees, and part of the flapwise energy is consumed, so that the flapwise force of the upper valve plate 4 is reduced, the noise of the compressor is reduced, and the hearing sense is improved. The slapping process adopts a cantilever beam stress deformation principle, one end of the upper valve plate 4 and one end of the lower valve plate 5 are fixed, the other end of the upper valve plate 4 and one end of the lower valve plate 5 are suspended, a cantilever beam structure is formed, the upper valve plate 4 slaps the lower valve plate 5 downwards, the lower valve plate 5 deforms at the front end under the stress, and after the upper valve plate 4 runs upwards under the action of the pressure difference of a refrigerant and is separated from the lower valve plate 5, the lower valve plate 5 rebounds to form flutter, so that part of slapping energy is consumed.
According to an embodiment of the present application, an air conditioner includes a discharge valve assembly, which is the discharge valve assembly described above.
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 (14)
1. An exhaust valve assembly, characterized in that it comprises a flange (1) and an exhaust assembly, the flange (1) is provided with a valve seat (2), the valve seat (2) is provided with an exhaust port (3), the exhaust assembly is arranged on the valve seat (2) and comprises an upper valve plate (4) and a lower valve plate (5), the lower valve plate (5) is arranged on the valve seat (2), the lower valve plate (5) is provided with a refrigerant circulating hole (6) corresponding to the exhaust port (3), the projection of the exhaust port (3) along the airflow flowing direction completely falls into the projection range of the refrigerant circulating hole (6) along the airflow flowing direction, the upper valve plate (4) can seal the refrigerant circulation hole (6), one side of the lower valve plate (5) facing the valve seat (2) is provided with a damping material (10), the damping material (10) is located on the outer peripheral side of the exhaust port (3).
2. An air vent valve assembly according to claim 1, wherein the damping material (10) is secured to the lower valve plate (5) by interference fit and/or glue bonding.
3. The vent valve assembly of claim 1, wherein the upper valve plate (4) and the lower valve plate (5) are both fixed at a first end and suspended at a second end to form a cantilever structure.
4. An exhaust valve assembly according to claim 1, characterized in that the upper valve plate (4) and/or the lower valve plate (5) is/are coated with a damping coating.
5. An exhaust valve assembly according to claim 1, characterized in that the length of the lower valve plate (5) is greater than or equal to the length of the upper valve plate (4).
6. The vent valve assembly of any of claims 1 to 5, wherein the upper valve plate (4) comprises a tail portion, a waist portion and a head portion (8), the waist portion of the upper valve plate (4) has a width δ and a thickness t, wherein δ/t is 4.9-8.3; and/or the lower valve plate (5) comprises a tail part, a waist part and a head part (8), the waist part of the lower valve plate (5) is delta in width and t in thickness, and delta/t is 4.9-8.3.
7. The exhaust valve assembly according to any one of claims 1 to 5, wherein the stiffness of the upper valve plate (4) is K1, the stiffness of the lower valve plate (5) is K2, and K1/K2 is 0.9-4.6.
8. An exhaust valve assembly according to any of claims 1-5, characterized in that the lower valve plate (5) is made of a rigid material.
9. The exhaust valve assembly according to claim 4, wherein the upper and lower surfaces of the upper valve plate (4) are coated with vibration damping coatings; and/or the upper surface and the lower surface of the lower valve plate (5) are coated with vibration damping coatings.
10. The exhaust valve assembly according to claim 4, wherein said vibration dampening coating is graphite or PTFE.
11. An exhaust valve assembly according to any of claims 1-5, characterized in that the upper valve plate (4) comprises at least one valve plate; and/or the lower valve plate (5) comprises at least one valve plate.
12. The exhaust valve assembly according to any one of claims 1 to 5, characterized in that a damping groove (11) is provided on the valve seat (2), the damping groove (11) being provided corresponding to a middle portion of the lower valve plate (5).
13. A compressor comprising a discharge valve assembly according to any one of claims 1 to 12.
14. An air conditioner including a discharge valve assembly as claimed in any one of claims 1 to 12.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111236208.XA CN113864201A (en) | 2021-10-22 | 2021-10-22 | Exhaust valve assembly, compressor and air conditioner |
| PCT/CN2022/108190 WO2023065754A1 (en) | 2021-10-22 | 2022-07-27 | Exhaust valve assembly, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111236208.XA CN113864201A (en) | 2021-10-22 | 2021-10-22 | Exhaust valve assembly, compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113864201A true CN113864201A (en) | 2021-12-31 |
Family
ID=78997372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111236208.XA Pending CN113864201A (en) | 2021-10-22 | 2021-10-22 | Exhaust valve assembly, compressor and air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113864201A (en) |
| WO (1) | WO2023065754A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023065754A1 (en) * | 2021-10-22 | 2023-04-27 | 珠海格力电器股份有限公司 | Exhaust valve assembly, compressor and air conditioner |
| WO2024114857A1 (en) * | 2022-11-28 | 2024-06-06 | Schaeffler Technologies AG & Co. KG | Rotary compressor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000130380A (en) * | 1998-10-30 | 2000-05-12 | Sanyo Electric Co Ltd | Hermetic rotary type compressor |
| CN2614279Y (en) * | 2003-02-11 | 2004-05-05 | 侯亮 | Mini type compressor noise eliminating air valve |
| CN202768330U (en) * | 2012-03-22 | 2013-03-06 | 芜湖欧宝机电有限公司 | Noise reducing structure for fully closed refrigeration compressor exhaust valve |
| CN105298848B (en) * | 2015-10-22 | 2017-09-29 | 珠海格力电器股份有限公司 | Compressor and exhaust valve system thereof |
| CN206562984U (en) * | 2017-01-23 | 2017-10-17 | 西安交通大学 | It is a kind of to reduce the compressor valve of noise |
| CN206988119U (en) * | 2017-05-31 | 2018-02-09 | 广东美芝制冷设备有限公司 | Compressor and its delivery valve seat and delivery valve seat component |
| CN210660505U (en) * | 2019-10-08 | 2020-06-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Exhaust valve assembly, pump body assembly and compressor |
| CN113864201A (en) * | 2021-10-22 | 2021-12-31 | 珠海格力电器股份有限公司 | Exhaust valve assembly, compressor and air conditioner |
-
2021
- 2021-10-22 CN CN202111236208.XA patent/CN113864201A/en active Pending
-
2022
- 2022-07-27 WO PCT/CN2022/108190 patent/WO2023065754A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023065754A1 (en) * | 2021-10-22 | 2023-04-27 | 珠海格力电器股份有限公司 | Exhaust valve assembly, compressor and air conditioner |
| WO2024114857A1 (en) * | 2022-11-28 | 2024-06-06 | Schaeffler Technologies AG & Co. KG | Rotary compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023065754A1 (en) | 2023-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113864201A (en) | Exhaust valve assembly, compressor and air conditioner | |
| KR100774485B1 (en) | Compressor | |
| WO2009062366A1 (en) | A discharge valve device of a rotary compressor | |
| CN104121160B (en) | Double wave sphere piston type electric vacuum pump | |
| KR100539770B1 (en) | Refrigerants suction guide structure for reciprocating compressor | |
| CN216044442U (en) | Exhaust valve assembly, compressor and air conditioner | |
| CN210829717U (en) | Cylinder, pump body subassembly, compressor and air conditioner | |
| CN111005874A (en) | Silencing structure, compressor and air conditioner | |
| CN208416954U (en) | Damping device for exhaust valve in compressor, exhaust valve assembly and compressor | |
| CN215521262U (en) | Compressor, fixing device and air conditioner | |
| CN1890467A (en) | Compressor | |
| CN107559204B (en) | Compression mechanism of rotary compressor and rotary compressor | |
| CN216044436U (en) | Exhaust valve assembly, compressor and air conditioner | |
| CN201679687U (en) | Gas suction valve piece of refrigerator compressor | |
| CN109026703B (en) | Variable capacity pump body assembly and compressor with same | |
| CN110953152A (en) | Compressor and air conditioner | |
| CN109268271B (en) | Fixed scroll and compressor with same | |
| KR102201409B1 (en) | A rotary compressor | |
| CN111059056A (en) | Pump body assembly, rotary compressor and air conditioner | |
| CN102251951A (en) | Snifter valve block of refrigerator compressor | |
| CN218882524U (en) | Silencer for compressor, compressor and air conditioner | |
| CN113931845A (en) | Exhaust valve assembly, compressor and air conditioner | |
| CN211174598U (en) | Compressor and air conditioner | |
| CN114017345B (en) | Rotary compressor and refrigeration equipment | |
| CN221779647U (en) | Fixed scroll plate assembly of vehicle scroll compressor and scroll compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |