CN110159536B - Scroll compressor, air conditioner and vehicle - Google Patents
Scroll compressor, air conditioner and vehicle Download PDFInfo
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- CN110159536B CN110159536B CN201910496759.6A CN201910496759A CN110159536B CN 110159536 B CN110159536 B CN 110159536B CN 201910496759 A CN201910496759 A CN 201910496759A CN 110159536 B CN110159536 B CN 110159536B
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- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- 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
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
The application provides a scroll compressor, an air conditioner and a vehicle. This scroll compressor includes that gas vent (1) and lid establish exhaust upper cover (2) in gas vent (1) department, exhaust upper cover (2) include the cavity, be provided with exhaust amortization structure in the cavity, exhaust amortization structure separates the cavity for first exhaust chamber (3) and second exhaust chamber (4) that are linked together, first exhaust chamber (3) and gas vent (1) intercommunication, second exhaust chamber (4) are located one side that exhaust amortization structure kept away from gas vent (1), gas vent (1) discharge gas gets into second exhaust chamber (4) behind first exhaust chamber (3). According to the scroll compressor of the application, the exhaust pulsation of the compressor can be reduced, and the noise of the compressor is reduced.
Description
Technical Field
The application belongs to the technical field of air conditioning, and particularly relates to a scroll compressor, an air conditioner and a vehicle.
Background
With the gradual popularization of new energy automobiles, the requirements and specifications of parts and accessories for the new energy automobiles are stricter and stricter. The performance characteristics of the compressor, which is a key component of the vehicle air conditioning system, directly affect the application of the whole system, and the vibration noise can most affect the application experience. The reduction of the vibration noise of the compressor has become a common consensus of manufacturers of vehicle compressors as a key point of research, development and application of the vehicle compressors. The vibration noise of the compressor is caused by motor noise, mechanical friction or impact, and suction and exhaust pulsation, and the prior art center generally aims to reduce noise and improve the noise.
In the use process of the existing compressor, compressed high-pressure gas is directly discharged from an exhaust connecting pipe on an exhaust end cover, high-pressure high-speed pulsating gas flow directly impacts the exhaust end cover, the exhaust end cover is caused to vibrate violently, the noise of the exhaust side compressor is abnormal, and large amplitude vibration of an exhaust pipeline is easily caused.
Disclosure of Invention
Therefore, an object of the present application is to provide a scroll compressor, an air conditioner, and a vehicle, which can reduce the compressor discharge pulsation and reduce the compressor noise.
In order to solve the problem, the application provides a scroll compressor, establish the exhaust upper cover in gas vent department including gas vent and lid, the exhaust upper cover includes the cavity, be provided with exhaust amortization structure in the cavity, exhaust amortization structure separates the cavity for the first exhaust chamber and the second exhaust chamber that are linked together, first exhaust chamber and gas vent intercommunication, the second exhaust chamber is located one side that exhaust amortization structure kept away from the gas vent, the gas of gas vent discharge gets into the second exhaust chamber behind first exhaust chamber.
Preferably, the exhaust silencing structure comprises a first exhaust cover plate, the first exhaust cover plate is arranged in the cavity and divides the cavity into a first exhaust cavity and a second exhaust cavity along the axial direction of the scroll compressor.
Preferably, the first exhaust cover plate is a flat plate or a circular arc.
Preferably, the first exhaust cover plate is provided with a communication hole for communicating the first exhaust cavity and the second exhaust cavity, and the communication hole is at least one.
Preferably, the first exhaust cover plate is fixedly arranged on the inner wall of the exhaust upper cover; or the scroll compressor also comprises a fixed scroll plate, the exhaust port is positioned on the fixed scroll plate, and the first exhaust cover plate is fixedly arranged on the fixed scroll plate.
Preferably, a sealing gasket is arranged between the first exhaust cover plate and the exhaust upper cover; or a sealing gasket is arranged between the first exhaust cover plate and the fixed scroll.
Preferably, the inner wall of the exhaust upper cover is provided with a bulge, and the first exhaust cover plate is provided with a groove matched with the bulge.
Preferably, the scroll compressor further comprises a fixed scroll, the exhaust port is located on the fixed scroll, a second exhaust cover plate is further arranged in the first exhaust cavity, the second exhaust cover plate is arranged at the exhaust port and surrounds the fixed scroll to form a third exhaust cavity, a first exhaust cavity is formed among the exhaust upper cover, the second exhaust cover plate and the first exhaust cover plate, and the third exhaust cavity is communicated with the first exhaust cavity.
Preferably, the second exhaust cover plate is provided with a vent hole, and the vent hole is communicated with the first exhaust cavity and the third exhaust cavity.
Preferably, a preset included angle is formed between the central axis of the vent hole and the central axis of the scroll compressor, and the preset included angle is 45-90 degrees.
Preferably, the top wall of the second exhaust cover plate far away from the exhaust port is tightly matched with the first exhaust cover plate to form an annular first exhaust cavity.
Preferably, an exhaust oil seal cavity is arranged in the exhaust upper cover, and the second exhaust cavity is communicated with the exhaust oil seal cavity through an exhaust oil seal inlet.
Preferably, an exhaust oil seal is arranged in the exhaust oil seal cavity, and an inlet of the exhaust oil seal faces to the side wall of the exhaust oil seal.
Preferably, a gas-liquid separation structure is arranged in the second exhaust cavity, and when the communication hole is formed in the first exhaust cover plate, the gas-liquid separation structure is arranged between the communication hole and the inlet of the exhaust oil seal.
Preferably, the gas-liquid separation structure includes a baffle plate disposed in the second exhaust chamber.
Preferably, the baffle is fixedly arranged on the first exhaust cover plate, and a flow passage is formed between the baffle and the exhaust upper cover; or the baffling baffle is fixedly arranged on the exhaust upper cover, and an overflowing channel is formed between the baffling baffle and the first exhaust cover plate; or the deflection baffle is respectively arranged on the first exhaust cover plate and the exhaust upper cover, an overflowing channel is formed between the deflection baffle positioned on the first exhaust cover plate and the exhaust upper cover, and an overflowing channel is formed between the deflection baffle positioned on the exhaust upper cover and the first exhaust cover plate.
Preferably, still be provided with the oil sump chamber in the exhaust upper cover, the oil sump chamber communicates to exhaust oil blanket chamber through fluid import.
Preferably, an oil pool cavity is formed between the first exhaust cover plate and the exhaust upper cover, a partition plate is arranged between the oil pool cavity and the second exhaust cavity, and the first exhaust cover plate is in sealing contact with the partition plate.
According to another aspect of the present application, there is provided an air conditioner including a scroll compressor as described above.
According to yet another aspect of the present application, there is provided a vehicle including a scroll compressor as described above.
The application provides a scroll compressor, establish the exhaust upper cover at the gas vent including gas vent and lid, the exhaust upper cover includes the cavity, is provided with exhaust amortization structure in the cavity, exhaust amortization structure separates the cavity for the first exhaust chamber and the second exhaust chamber that are linked together, first exhaust chamber and gas vent intercommunication, second exhaust chamber are located one side that exhaust amortization structure kept away from the gas vent, the gas of gas vent exhaust gets into the second exhaust chamber behind first exhaust chamber. Through set up exhaust amortization structure between compressor gas vent and exhaust upper cover, can form first exhaust chamber and second exhaust chamber, the exhaust at first enters into first exhaust chamber in, absorbs or reduces the exhaust pulsation through first exhaust chamber, the first exhaust chamber of exhaust well discharges and gets into the second exhaust intracavity, finally flows from the exhaust pipe. Because the high-speed large-pulsation exhaust airflow firstly enters the first exhaust cavity, and the impact vibration generated by most airflow pulsation is absorbed by the inner wall of the first exhaust cavity, the impact vibration generated by the airflow pulsation cannot be transmitted out through the exhaust upper cover, so that the vibration on the exhaust upper cover is reduced, and the noise of the compressor is reduced.
Drawings
FIG. 1 is a cross-sectional view of a scroll compressor according to a first embodiment of the present application;
FIG. 2 is a schematic internal fluid flow diagram of a scroll compressor according to a first embodiment of the present application;
FIG. 3 is an assembled view of the upper discharge cover and the first discharge cover plate of the scroll compressor according to the first embodiment of the present application;
FIG. 4 is an exploded view of the upper discharge cover and the first discharge cover of the scroll compressor according to the first embodiment of the present application;
FIG. 5 is a schematic view of the discharge upper cover of the scroll compressor according to the first embodiment of the present application;
FIG. 6 is a perspective view of a discharge cover of a scroll compressor according to a first embodiment of the present application;
FIG. 7 is a schematic view of a second first discharge cover plate of the scroll compressor of the first embodiment of the present application;
FIG. 8 is a cross-sectional view of a scroll compressor according to a second embodiment of the present application;
FIG. 9 is a schematic illustration of the internal fluid flow of a scroll compressor according to a second embodiment of the present application;
fig. 10 is a cross-sectional view schematically showing a scroll compressor according to a third embodiment of the present application.
The reference numerals are represented as:
1. an exhaust port; 2. an exhaust upper cover; 3. a first exhaust cavity; 4. a second exhaust chamber; 5. a first exhaust cover plate; 6. a communicating hole; 7. a fixed scroll; 8. a gasket; 9. a protrusion; 10. a groove; 11. a second exhaust cover plate; 12. a third exhaust chamber; 13. a vent hole; 14. an exhaust oil seal cavity; 15. an exhaust oil seal inlet; 16. an exhaust oil seal; 17. a baffle plate; 18. an oil sump cavity; 19. an oil inlet; 20. a partition plate; 21. a movable scroll; 22. a sealing member; 23. a drive shaft; 24. a support; 25. a housing.
Detailed Description
Referring to fig. 1 to 10 in combination, according to the embodiment of the present application, the scroll compressor includes that gas vent 1 and cover establish the exhaust upper cover 2 in gas vent 1 department, exhaust upper cover 2 includes the cavity, be provided with exhaust silencing structure in the cavity, exhaust silencing structure separates the cavity for first exhaust chamber 3 and second exhaust chamber 4 that are linked together, first exhaust chamber 3 communicates with gas vent 1, second exhaust chamber 4 is located one side that gas vent 1 was kept away from to exhaust silencing structure, gas that gas vent 1 discharged gets into second exhaust chamber 4 behind first exhaust chamber 3.
Through set up exhaust amortization structure between compressor gas vent 1 and exhaust upper cover 2, can form first exhaust chamber 3 and second exhaust chamber 4, the exhaust at first enters into first exhaust chamber 3 in, absorbs or reduces the exhaust pulsation through first exhaust chamber 3, and the first exhaust chamber 3 of exhaust shaft discharges and gets into second exhaust chamber 4 in, finally flows from the exhaust pipe. Because the high-speed big pulsating exhaust air current gets into first exhaust chamber 3 earlier, absorbed the striking vibration that most air current pulsation produced through first exhaust chamber 3 inner wall, consequently the striking vibration that the air current pulsation produced can not pass through exhaust upper cover 2 and transmit to the vibration on exhaust upper cover 2 has been reduced, has reduced the compressor noise. In addition, because the vibration transmitted by the exhaust upper cover 2 is weakened, the vibration amplitude of the exhaust pipeline can be effectively reduced, and the vibration noise of the exhaust pipeline is reduced.
Referring to fig. 1 to 7 in combination, according to the first embodiment of the present application, the exhaust silencing structure includes a first exhaust cover plate 5, and the first exhaust cover plate 5 is disposed in a cavity and divides the cavity into a first exhaust chamber 3 and a second exhaust chamber 4 along an axial direction of the scroll compressor. Because the air current mainly is along scroll compressor's axial flow in scroll compressor, consequently separate the cavity for first exhaust cavity 3 and second exhaust cavity 4 along scroll compressor's axial, can distribute the cavity more rationally for first exhaust cavity 3 can be in more reasonable position, absorbs the air current pulsation better, plays better damping noise reduction effect.
The compressed refrigerant is discharged through the discharge port 1, and due to the characteristics of the discharge structure of the scroll compressor, the area of a discharge cavity changes periodically, and the situation that a scroll invades a discharge area exists, and the situation that two pairs of compression cavities discharge gas at the same time can also exist, and the situation causes the discharge pressure at the discharge port to fluctuate, namely the outflow flow rate of the refrigerant is not uniform. After the above-mentioned structure that adopts this application, can discharge into a cavity earlier with the inhomogeneous fluid of velocity of flow, first exhaust chamber 3 promptly, first exhaust apron 5 absorbs the vibration that produces when the inhomogeneous exhaust installation of velocity of flow, because first exhaust apron 5 sets up in exhaust upper cover 2, the vibration of first exhaust apron 5 can weaken greatly after spreading out through exhaust upper cover 2 again, consequently compare the condition that the direct impact of exhaust upper cover 2 produced the vibration excitation noise, its noise reduction effect is obvious.
The first exhaust cover 5 may be a flat plate. In order to obtain a better noise reduction effect, the first exhaust cover plate 5 may adopt a dome-shaped structure, and a protrusion of the dome-shaped structure faces a direction away from the exhaust port 1, so that the first exhaust cover plate 5 has a better airflow pulsation absorption effect.
The first exhaust cover plate 5 is provided with a communication hole 6 for communicating the first exhaust cavity 3 and the second exhaust cavity 4, and at least one communication hole 6 is arranged.
In order to ensure the flowing effect of the air flow, when the communication hole 6 is one, the communication hole 6 only has the fluid communication function, and does not play the role of throttling and noise reduction, thereby ensuring that the gas flow meets the operation requirement of the compressor. When the communicating holes 6 are multiple, the communicating holes 6 can be arranged into a plurality of small pores, as shown in fig. 7, the communicating area of the communicating holes 6 can be ensured, the air flow circulation is ensured, the gas-liquid separation effect and the noise reduction effect can be realized through a plurality of dispersed pore structures, the air flow pulsation absorbing capacity of the first exhaust cover plate 5 is further improved, and the vibration noise of the compressor is reduced.
The first exhaust cover plate 5 may be fixedly provided on the inner wall of the exhaust upper cover 2. In this case, an installation step is provided on the exhaust upper cover 2, and the first exhaust cover plate 5 is provided on the installation step and fixed to the exhaust upper cover 2 by bolting or the like. In order to guarantee the sealing effect between first exhaust chamber 3 and the second exhaust chamber 4, can set up sealed pad 8 between first exhaust apron 5 and exhaust upper cover 2, can strengthen the sealed connection effect between first exhaust apron 5 and the exhaust upper cover 2 on the one hand through sealed pad 8, on the other hand can form the damping noise reduction effect through sealed pad 8, further reduces the vibration noise that first exhaust apron 5 transmitted to exhaust upper cover 2.
In another embodiment, the scroll compressor further comprises a fixed scroll 7, the exhaust port 1 is located on the fixed scroll 7, and the first exhaust cover plate 5 is fixedly disposed on the fixed scroll 7. In order to facilitate the fixed connection between the first exhaust cover plate 5 and the fixed scroll 7, it is preferable that the first exhaust cover plate 5 is formed in a circular arch shape or a combination of a circular arch shape and a cylindrical shape, and a connection flange is provided on the circumferential side of the first exhaust cover plate 5 and is fixed to the fixed scroll 7 by bolting through the connection flange. In order to improve the vibration and noise reduction effect of the first exhaust cover plate 5, a gasket 8 may be provided between the first exhaust cover plate 5 and the fixed scroll 7.
Preferably, the inner wall of the exhaust upper cover 2 is provided with a protrusion 9, and the first exhaust cover plate 5 is provided with a groove 10 matched with the protrusion 9. Mutually support between arch 9 and recess 10, can fix a position first exhaust apron 5 circumference mounted position on exhaust upper cover 2 to guarantee the mounted position of intercommunicating pore 6 on the circumference position of exhaust upper cover 2, avoid first exhaust apron 5 to take place relative rotation for exhaust upper cover 2, improve the rationality that air current flow path set up, improve exhaust structure's stability and reliability.
An exhaust oil seal cavity 14 is arranged in the exhaust upper cover 2, and the second exhaust cavity 4 is communicated with the exhaust oil seal cavity 14 through an exhaust oil seal inlet 15. The exhaust oil seal cavity 14 is used for arranging an exhaust oil seal piece 16, and meanwhile, lubricating oil separated from exhaust can be collected and redistributed to ensure the lubricating effect of all components in the compressor.
Be provided with exhaust oil seal 16 in the exhaust oil seal chamber 14, exhaust oil seal import 15 is towards the lateral wall of exhaust oil seal 16, can make exhaust blow to exhaust oil seal 16 after second exhaust chamber 4 through exhaust oil seal import 15, utilizes the effect of blockking of exhaust oil seal 16, realizes the primary gas-liquid separation to exhaust. The compression chamber firstly gets into first exhaust chamber 3 from the gas vent 1 exhaust gas, reentries second exhaust chamber 4, gets into exhaust oil seal chamber 14 through exhaust oil seal import 15 at last, and the lubricating oil that the refrigeration was carried passes through the effect gathering of exhaust oil seal 16 in the bottom in exhaust oil seal chamber 14 to conveniently carry out the collection of lubricating oil.
Preferably, an oil pool cavity 18 is further arranged in the exhaust upper cover 2, and the oil pool cavity 18 is communicated to the exhaust oil seal cavity 14 through an oil inlet 19. Lubricating oil collected at the bottom of the exhaust oil seal cavity 14 can enter through the oil inlet 19 and be stored in the oil pool cavity 18, and then enter each friction pair for lubrication through other pipelines connected to the oil pool cavity 18.
In the present embodiment, the sump cavity 18 is formed between the first exhaust cover plate 5 and the exhaust upper cover 2, the partition plate 20 is disposed between the sump cavity 18 and the second exhaust cavity 4, and the first exhaust cover plate 5 is in sealing contact with the partition plate 20.
In this embodiment, the oil pool cavity 18 is formed in the exhaust upper cover 2, the cavity between the top cover of the exhaust upper cover 2 and the first exhaust cover plate 5 is divided into two parts by the partition plate 20, one part forms the second exhaust cavity 4, the other part forms the oil pool cavity 18 for storing lubricating oil, the internal structure of the exhaust upper cover 2 can be more reasonably utilized, the structural complexity is reduced, the structure is more compact, the material utilization rate is higher, the structural design is more reasonable, and the material cost is effectively reduced. After the exhaust gas of the compression cavity enters the second exhaust cavity 4, the exhaust gas enters the exhaust oil seal cavity 14 through the exhaust oil seal inlet 15, the gas after gas-liquid separation is discharged through an exhaust pipeline, the separated lubricating oil is collected at the bottom of the exhaust oil seal cavity 14, and then the lubricating oil is stored in the oil pool cavity 18 through the oil liquid inlet 19 at the bottom of the exhaust oil seal cavity 14. Since the first exhaust chamber 3 is isolated from the sump chamber 18 by the partition plate 20, the entry of exhaust gas into the sump chamber 18 can be effectively prevented.
The scroll compressor further comprises a movable scroll 21, a sealing component 22, a driving shaft 23, a support 24 and a shell 25, wherein the movable scroll 21, the sealing component 22, the driving shaft 23, the support 24 and the fixed scroll 7 are all arranged in the shell 25, the exhaust upper cover 2 is fixedly connected onto the shell 25, and the sealing component 22 is arranged on the sealing matching end surfaces of the fixed scroll 7 and the exhaust upper cover 2 to realize the sealing connection between the fixed scroll 7 and the exhaust upper cover 2. The seal member 22 is, for example, a seal ring. The support 24 is fixedly arranged on the shell 25, the movable scroll 21 is movably arranged on the support 24, the drive shaft 23 is arranged on the support 24, the drive end of the drive shaft 23 is in drive connection with the movable scroll 21 to drive the movable scroll 21 to move in translation, so that the movable scroll is matched with the fixed scroll 7 to compress a refrigerant.
Referring to fig. 8 and 9 in combination, the second embodiment of the present application is substantially the same as the first embodiment except that in the present embodiment, a gas-liquid separation structure is provided in the second exhaust chamber 4, and when the communication hole 6 is provided in the first exhaust cover 5, the gas-liquid separation structure is provided between the communication hole 6 and the exhaust oil seal inlet 15. Through set up gas-liquid separation structure in second exhaust chamber 4, can carry out gas-liquid separation through gas-liquid separation structure to the gas that enters into in second exhaust chamber 4, improve the gas-liquid separation effect of compressor.
In the present embodiment, the gas-liquid separation structure includes a baffle plate 17 provided in the second exhaust chamber 4. The gas-liquid separation structure may also be other structures such as a perforated plate or other similar structures. Through setting up baffling baffle 17, can make gas at the flow in-process, carry out baffling switching-over many times under baffling baffle 17's the effect that blocks, at the in-process of switching-over, because gravity and inertial force's difference, can separate lubricating oil from gas effectively, realize good gas-liquid separation effect.
Get into second exhaust chamber 4 in through the intercommunicating pore 6 from first exhaust chamber 3, then at the in-process that second exhaust chamber 4 flows, can get into the baffling chamber in proper order, and carry out abundant gas-liquid separation at the in-process that flows through each baffling chamber, finally get into exhaust oil seal import 15, the lubricating oil that the refrigerant carried at first carries out oil-gas separation in this type of baffling intracavity and then gets into exhaust oil seal piece separation, consequently can carry out multi-level multiple type gas-liquid separation, can gain better exhaust oil return effect.
The arrangement structure of the baffle 17 can be various, for example, in one embodiment, the baffle 17 is fixedly arranged on the first exhaust cover plate 5, and a flow passage is formed between the baffle 17 and the exhaust cover 2.
In another embodiment, the deflection baffle 17 is fixedly arranged on the exhaust cover 2, and a flow passage is formed between the deflection baffle 17 and the first exhaust cover 5.
In another embodiment, the baffle 17 is respectively arranged on the first exhaust cover plate 5 and the exhaust upper cover 2, the flow passage is formed between the baffle 17 on the first exhaust cover plate 5 and the exhaust upper cover 2, and the flow passage is formed between the baffle 17 on the exhaust upper cover 2 and the first exhaust cover plate 5. In the present embodiment, the baffle plates 17 may be alternately disposed on the first exhaust cover plate 5 and the exhaust upper cover 2 one by one, or different numbers of plate bodies may be alternately disposed on the first exhaust cover plate 5 and the exhaust upper cover 2.
The baffle 17 may be a flat plate, a folded plate, or a corrugated plate, as long as a good gas-liquid separation effect can be achieved.
Referring to fig. 10 in combination, the third embodiment of the present application is substantially the same as the first embodiment, except that in the present embodiment, the scroll compressor further includes a fixed scroll 7, the exhaust port 1 is located on the fixed scroll 7, a second exhaust cover plate 11 is further disposed in the first exhaust chamber 3, the second exhaust cover plate 11 is disposed at the exhaust port 1 and encloses a third exhaust chamber 12 with the fixed scroll 7, the first exhaust chamber 3 is formed between the exhaust upper cover 2, the second exhaust cover plate 11 and the first exhaust cover plate 5, and the third exhaust chamber 12 is communicated with the first exhaust chamber 3.
In this embodiment, the cavity between the first exhaust cover plate 5, the exhaust upper cover 2 and the fixed scroll 7 is again partitioned, and the third exhaust cavity 12 is added, so that after the gas in the compression cavity is exhausted from the exhaust port 1, the gas firstly enters the third exhaust cavity 12 to perform first vibration reduction and noise reduction, then enters the first exhaust cavity 3 after being exhausted from the third exhaust cavity 12 to perform second vibration reduction and noise reduction, and finally enters the second exhaust cavity 4 to be exhausted from the exhaust pipeline after passing through the exhaust oil seal cavity 14. Because the structure increases the times of vibration reduction and noise reduction, better vibration reduction and noise reduction effects can be achieved.
In the present embodiment, the second exhaust cover plate 11 is provided with a vent hole 13, and the vent hole 13 communicates the first exhaust chamber 3 and the third exhaust chamber 12.
Preferably, be between the central axis of air vent 13 and the central axis of scroll compressor and predetermine the contained angle, predetermine the contained angle and be 45 ~ 90, can make the lateral blow off of third exhaust chamber 12 gas, rather than directly blow off to first exhaust apron 5 through first exhaust chamber 3, consequently can make gas reduce the pulsation once more through the steering process, gain better damping noise reduction effect.
In this embodiment, the top wall of the second exhaust cover plate 11, which is far away from the exhaust port 1, is closely matched with the first exhaust cover plate 5 to form the annular first exhaust cavity 3, and after the gas in the third exhaust cavity 12 is exhausted, the gas enters the annular first exhaust cavity 3 and flows into the second exhaust cavity 4 from the annular first exhaust cavity 3.
According to an embodiment of the present application, an air conditioner includes a scroll compressor, which is the scroll compressor described above.
According to an embodiment of the application, the vehicle comprises a scroll compressor, which is the scroll compressor 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 (17)
1. A scroll compressor is characterized by comprising an exhaust port (1) and an exhaust upper cover (2) arranged at the exhaust port (1) in a covering manner, wherein the exhaust upper cover (2) comprises a cavity body, an exhaust silencing structure is arranged in the cavity body, the exhaust silencing structure divides the cavity body into a first exhaust cavity (3) and a second exhaust cavity (4) which are communicated with each other, the first exhaust cavity (3) is communicated with the exhaust port (1), the second exhaust cavity (4) is positioned at one side of the exhaust silencing structure, which is far away from the exhaust port (1), and gas exhausted from the exhaust port (1) enters the second exhaust cavity (4) after passing through the first exhaust cavity (3); an exhaust oil seal cavity (14) is formed in the exhaust upper cover (2), and the second exhaust cavity (4) is communicated with the exhaust oil seal cavity (14) through an exhaust oil seal inlet (15); an oil pool cavity (18) is further arranged in the exhaust upper cover (2), and the oil pool cavity (18) is communicated to the exhaust oil seal cavity (14) through an oil inlet (19); the exhaust silencing structure comprises a first exhaust cover plate (5), the first exhaust cover plate (5) and the exhaust upper cover (2) are formed between the oil pool cavity (18), a partition plate (20) is arranged between the oil pool cavity (18) and the second exhaust cavity (4), and the first exhaust cover plate (5) is in sealing contact with the partition plate (20).
2. The scroll compressor of claim 1, wherein the first discharge cover plate (5) is disposed within the cavity and divides the cavity in an axial direction of the scroll compressor into the first discharge chamber (3) and a second discharge chamber (4).
3. The scroll compressor of claim 2, wherein the first discharge cover plate (5) is a flat plate or an arcuate plate.
4. The scroll compressor according to claim 2, wherein the first discharge cover plate (5) is provided with a communication hole (6) communicating the first discharge chamber (3) and the second discharge chamber (4), the communication hole (6) being at least one.
5. The scroll compressor according to claim 2, wherein the first discharge cover plate (5) is fixedly provided on an inner wall of the discharge cover (2); or the scroll compressor further comprises a fixed scroll (7), the exhaust port (1) is located on the fixed scroll (7), and the first exhaust cover plate (5) is fixedly arranged on the fixed scroll (7).
6. The scroll compressor of claim 5, wherein a sealing gasket (8) is arranged between the first exhaust cover plate (5) and the exhaust upper cover (2); or a sealing gasket (8) is arranged between the first exhaust cover plate (5) and the fixed scroll (7).
7. The scroll compressor of claim 2, wherein the inner wall of the exhaust upper cover (2) is provided with a protrusion (9), and the first exhaust cover plate (5) is provided with a groove (10) which is matched with the protrusion (9).
8. The scroll compressor according to claim 2, further comprising a fixed scroll (7), wherein the gas outlet (1) is located on the fixed scroll (7), a second gas exhaust cover plate (11) is further disposed in the first gas exhaust cavity (3), the second gas exhaust cover plate (11) is disposed at the gas outlet (1) and encloses a third gas exhaust cavity (12) with the fixed scroll (7), the first gas exhaust cavity (3) is formed between the gas exhaust upper cover (2), the second gas exhaust cover plate (11) and the first gas exhaust cover plate (5), and the third gas exhaust cavity (12) is communicated with the first gas exhaust cavity (3).
9. The scroll compressor of claim 8, wherein the second discharge cover plate (11) is provided with a vent hole (13), and the vent hole (13) communicates the first discharge chamber (3) and the third discharge chamber (12).
10. A scroll compressor according to claim 9, wherein the central axis of the ventilation hole (13) is at a predetermined angle with the central axis of the scroll compressor, said predetermined angle being 45 ° to 90 °.
11. The scroll compressor of claim 8, wherein the top wall of the second discharge cover plate (11) remote from the discharge port (1) is in close fit with the first discharge cover plate (5) to form an annular first discharge chamber (3).
12. The scroll compressor of claim 1, wherein a discharge oil seal (16) is disposed within the discharge oil seal cavity (14), the discharge oil seal inlet (15) facing a sidewall of the discharge oil seal (16).
13. The scroll compressor according to claim 1, wherein a gas-liquid separation structure is provided in the second discharge chamber (4), and when a communication hole (6) is provided in the first discharge cover plate (5), the gas-liquid separation structure is provided between the communication hole (6) and the discharge oil seal inlet (15).
14. The scroll compressor of claim 13, wherein the gas-liquid separation structure comprises a baffle plate (17) disposed within the second discharge chamber (4).
15. The scroll compressor of claim 14,
the baffling plate (17) is fixedly arranged on the first exhaust cover plate (5), and a flow passage is formed between the baffling plate (17) and the exhaust upper cover (2); or the like, or, alternatively,
the baffling baffle (17) is fixedly arranged on the exhaust upper cover (2), and an overflowing channel is formed between the baffling baffle (17) and the first exhaust cover plate (5); or the like, or, alternatively,
baffle (17) set up respectively first exhaust apron (5) with on exhaust upper cover (2), be located on first exhaust apron (5) baffle (17) with form between exhaust upper cover (2) and overflow the passageway, be located on exhaust upper cover (2) baffle (17) with form between first exhaust apron (5) and overflow the passageway.
16. An air conditioner including a scroll compressor, wherein the scroll compressor is as claimed in any one of claims 1 to 15.
17. A vehicle including a scroll compressor, wherein the scroll compressor is as claimed in any one of claims 1 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN212079638U (en) * | 2020-04-01 | 2020-12-04 | 艾默生环境优化技术(苏州)有限公司 | Top cover of horizontal compressor and horizontal compressor |
| US12006937B2 (en) * | 2022-06-07 | 2024-06-11 | Agilent Technologies, Inc. | Fluid pump with integrated cowling and discharge muffler |
| CN115306711A (en) * | 2022-08-12 | 2022-11-08 | 深圳昂湃技术有限公司 | Pressure balance structure of carbon dioxide scroll compressor |
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| JPS6444386U (en) * | 1987-09-10 | 1989-03-16 | ||
| US5921761A (en) * | 1997-04-17 | 1999-07-13 | Copeland Corporation | Scroll machine with discharge duct |
| JP2984640B2 (en) * | 1997-12-18 | 1999-11-29 | 三菱重工業株式会社 | Hermetic scroll compressor |
| KR100498376B1 (en) * | 2002-11-19 | 2005-07-01 | 엘지전자 주식회사 | Scroll compressor and fabrication method for scroll compressor |
| JP4127108B2 (en) * | 2003-04-18 | 2008-07-30 | 松下電器産業株式会社 | Hermetic compressor |
| US9284955B2 (en) * | 2011-03-18 | 2016-03-15 | Panasonic Intellectual Property Management Co., Ltd. | Compressor |
| CN203394767U (en) * | 2013-08-07 | 2014-01-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor high/low-pressure separation component and scroll compressor |
| CN208651145U (en) * | 2018-06-22 | 2019-03-26 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor having a plurality of scroll members |
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