CN114483587B

CN114483587B - Silencer assembly, pump body assembly and compressor

Info

Publication number: CN114483587B
Application number: CN202210010734.2A
Authority: CN
Inventors: 徐博文; 刘靖; 张大鹏; 巩庆霞; 吴健; 罗惠芳
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2023-01-06
Anticipated expiration: 2042-01-05
Also published as: CN114483587A

Abstract

The application provides a muffler subassembly, pump body subassembly and compressor. The silencer assembly comprises a silencer module, a silencer module and a silencer assembly, wherein the silencer module comprises a silencing cavity and an oil return hole; a cover plate attached to one side of the muffler module; a groove is formed in the side face, close to the silencer module, of the cover plate to form a flow passage; one end of the flow passage is communicated with the exhaust port of the silencing cavity, the other end of the flow passage is provided with an outlet which penetrates through two sides, and one side of the outlet is communicated with the oil return hole; the runner can be right gas-oil separation is carried out to gas vent exhaust oil gas, and the fluid of separation process oil return hole flows to the opposite side of muffler module. This application can provide lubricating oil to the spare part of pump body subassembly on can draining the opposite side of fluid to muffler module, guarantees the interior lubricated oil mass of compressor.

Description

Silencer assembly, pump body assembly and compressor

Technical Field

The application belongs to the technical field of compressors, and particularly relates to a silencer assembly, a pump body assembly and a compressor.

Background

In heat pump systems and refrigeration systems, refrigeration compressors are often used, and the refrigeration compressors drive compression pumps through motors to compress gas. This pump body of compressor includes: the air cylinder comprises an upper air cylinder cover, an air cylinder, a sliding sheet arranged in an air cylinder sliding sheet groove, a crankshaft, a rolling piston sleeved on the crankshaft, a lower air cylinder cover, an exhaust valve assembly, an exhaust sealing element and an exhaust baffle, wherein the sliding sheet is compressed by a spring in the air cylinder sliding sheet groove so as to divide the air cylinder into an air suction cavity and an exhaust cavity. Present rolling rotor formula compressor intermittent type is discharged, arouses refrigerant pressure pulsation, leads to compressor aerodynamic noise, generally can set up the exhaust muffler and make an uproar to exhaust high-speed gas can carry partial refrigerator oil entering system of machine, makes the compressor operation a period time and crosses the inside sufficient lubricating oil that probably lacks of compressor, and oil film thickness is not enough between spare part, and the risk that the compressor broke down promotes greatly.

Disclosure of Invention

Therefore, the application provides a muffler subassembly, pump body subassembly and compressor, can solve the problem that the compressor operation may lack sufficient lubricating oil in the inside of the compressor for a period of time in the prior art.

In order to solve the above problems, the present application provides a muffler assembly comprising:

the silencer module comprises a silencing cavity and an oil return hole;

a cover plate attached to one side of the muffler module;

a groove is formed in the side face, close to the silencer module, of the cover plate to form a flow passage; one end of the flow passage is communicated with the exhaust port of the silencing cavity, the other end of the flow passage is provided with an outlet which penetrates through two sides, and one side of the outlet is communicated with the oil return hole;

the runner can be right gas-oil separation is carried out to gas vent exhaust oil gas, and the fluid of separation process oil return hole flows to the opposite side of muffler module.

Optionally, the flow channel comprises a plurality of curved segment structures connected in series.

Optionally, the flow channel is provided with a tesla valve type one-way flow structure.

Optionally, a silencing groove section is arranged in the flow channel, and the width of the silencing groove section is greater than that of the rest section of the flow channel.

According to another aspect of the present application, there is provided a pump body assembly comprising a muffler assembly as described above.

Optionally, the pump body assembly further comprises a flange, and the silencer module is arranged on one side of the flange; the flange is provided with a through hole, one end of the through hole is communicated with the oil return hole, and oil can be guided to the other side of the flange.

Optionally, an oil storage tank is further arranged on the flange and is communicated with the through hole; the oil storage tank can collect oil guided to the other side of the silencer module by the oil return hole.

Optionally, the pump body assembly further comprises a cylinder, and a slide groove is formed in the cylinder; the other end of the through hole is communicated with the sliding sheet groove.

According to yet another aspect of the present application, there is provided a compressor comprising a muffler assembly as described above or a pump body assembly as described above.

The application provides a muffler assembly, includes: the silencer module comprises a silencing cavity and an oil return hole; a cover plate attached to one side of the muffler module; a groove is formed in the side face, close to the silencer module, of the cover plate to form a flow passage; one end of the flow passage is communicated with the exhaust port of the silencing cavity, the other end of the flow passage is provided with an outlet which penetrates through two sides, and one side of the outlet is communicated with the oil return hole; the runner can be right gas-oil separation is carried out to gas vent exhaust oil gas, and the fluid process of separation the oil return hole flows to the opposite side of muffler module.

According to the oil-gas separation muffler, the flat-plate-shaped cover plate is arranged on the muffler module to cover the exhaust port, so that oil-gas separation occurs when oil gas exhausted from the exhaust port flows along a flow channel on the cover plate, and the oil gas is divided at an outlet of the cover plate, namely, the gas flows to one side of the cover plate, and the oil liquid flows to the other side of the cover plate; because the export corresponds with oil gallery position on the muffler module, can be with fluid drainage to the opposite side of muffler module on, can provide lubricating oil to the spare part of pump body subassembly, guarantee the interior lubricated oil mass of compressor.

Drawings

FIG. 1 is an exploded view of a pump body assembly according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a cover plate according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a muffler module according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a flange according to an embodiment of the present application;

FIG. 5 is a schematic view of the flow conditions within the pump body assembly according to an embodiment of the present application;

fig. 6 is another schematic structural diagram of a silencer module according to an embodiment of the present application.

The reference numerals are represented as:

1. a crankshaft; 2. a cover plate; 3. a muffler module; 4. an upper flange; 5. a cylinder; 6. a partition plate; 7. a lower flange; 8. a lower flange cover plate; 9. sliding a sheet; 10. a roller; 11. a cover plate inlet; 12. a flow channel; 13. a cover plate outlet; 14. an exhaust port; 15. an upper flange exhaust port; 16. an upper flange through hole; 17. an oil storage tank; 18. an oil return hole; 19. a sound-deadening chamber; 20. a silencing groove.

Detailed Description

Referring collectively to fig. 1-6, in accordance with an embodiment of the present application, a muffler assembly, comprises:

the silencer module 3 comprises a silencing cavity 19 and an oil return hole 18;

a cover plate 2 attached to one side of the muffler module 3;

a groove is arranged on the side surface of the cover plate 2 close to the silencer module 3 to form a flow passage 12; one end of the flow passage 12 is communicated with the exhaust port 14 of the silencing cavity 19, the other end of the flow passage is provided with an outlet penetrating through two sides, and one side of the outlet is communicated with the oil return hole 18;

the flow passage 12 can perform oil-gas separation on oil gas discharged from the exhaust port 14, and the separated oil flows to the other side of the muffler module 3 through the oil return hole 18.

According to the oil-gas separation muffler, the flat-plate-shaped cover plate 2 is arranged on the muffler module 3 to cover the exhaust port 14, so that oil-gas separation occurs when oil gas exhausted from the exhaust port 14 flows along the flow channel 12 on the cover plate 2, and the oil gas is divided at the outlet of the cover plate 2, namely, the gas flows to one side of the cover plate 2, and the oil liquid flows to the other side of the cover plate 2; because the outlet corresponds to 18 positions of the oil return holes in the silencer module 3, oil can be drained to the other side of the silencer module 3, lubricating oil can be provided for parts of the pump body assembly, and the amount of lubricating oil in the compressor is guaranteed.

In some embodiments, the flow channel 12 comprises a plurality of curved segment structures connected in series.

The flow passage 12 is designed to be of a plurality of sequentially connected bending section structures, so that the separation effect of oil gas in the flow passage 12 can be increased, and the oil content of exhaust gas is reduced.

In some embodiments, the flow passage 12 is provided as a Tesla valve type one-way flow structure.

The flow channel 12 directly adopts a Tesla valve type one-way circulation structure, which can limit the flow direction of oil gas, avoid backflow and enhance the separation effect of the flow channel 12 on the oil gas.

In some embodiments, a section of the flow channel 12 is provided with a silencing groove 20, and the width of the section of the silencing groove 20 is greater than the width of the rest of the flow channel 12.

The runner 12 may be further provided with a silencing groove 20, which may be one or more sections, wherein the width of the silencing groove 20 section is relatively large, so that the section forms a silencing cavity 19 structure to achieve the purpose of silencing again.

In some embodiments, the pump body assembly further comprises a flange, the muffler module 3 being provided on one side of the flange; the flange is provided with a through hole, one end of the through hole is communicated with the oil return hole 18, and oil can be guided to the other side of the flange.

Set up the through-hole that can lead the fluid that apron 2 separated to the flange opposite side on the flange for fluid returns to pump body subassembly as far as possible in, plays lubricated effect.

In some embodiments, an oil storage groove 17 is further formed in the flange, and the oil storage groove 17 is communicated with the through hole; the oil reservoir 17 can collect oil which is guided to the other side of the muffler module 3 by the oil return hole 18.

For the through-hole that makes things convenient for the fluid of 2 separations of apron can be smoothly drained to the flange, set up oil storage tank 17 on the flange, store and the drainage to fluid for lubricating oil can follow the through-hole and flow to the flange opposite side.

In some embodiments, the pump body assembly further comprises a cylinder 5, and a slide sheet groove is formed in the cylinder 5; the other end of the through hole is communicated with the sliding sheet groove.

The through hole on the flange directly corresponds to the position of the sliding sheet groove on the air cylinder 5, and oil drained by the through hole directly enters the sliding sheet groove, so that the sliding sheet 9 and the sliding sheet groove can be lubricated, and the noise is reduced.

According to yet another aspect of the present application, there is provided a compressor including the muffler assembly as described above or the pump body assembly as described above.

This application is through the integrated design to compressor pump body subassembly, realizes stablizing exhaust speed, reduces refrigerant pressure pulsation, reduces the pneumatic noise of compressor, reduces the compressor and tells the oil mass, guarantees the lubricated oil mass in the compressor, strengthens the lubricated effect of gleitbretter 9 simultaneously and reduces friction loss, improves the compressor reliability. The distribution range of the outlet of the compressor silencer is enlarged, the compatibility of the silencing cavity is improved, and the silencing range is ensured. By optimizing the above, the noise effect of the compressor is reduced, the reliability of the compressor is improved, and the use experience of a user is improved.

Refrigerant after the compressor pump body compression gets into muffler module 3 back from last flange gas vent 15, directly discharges from muffler module 3's gas vent 14, muffler module 3's gas vent 14 among the traditional structure for the outside produces exhaust pulsation in compression, exhaust process in muffler module 3, influences compressor noise vibration.

This application has adopted the apron structure to set up the exhaust runner on the apron medial surface, realize subducing exhaust pulsation. As shown in fig. 2, the "tesla valve" single-stop circulation structure can also be used for realizing the required effect by using grooves with other shapes, the cover plate is provided with grooves, when the mixed gas of the refrigerant and the lubricating oil passes through the channel, the mixed gas impacts the wall surface, the flow speed is slowed down, the lubricating oil with high viscosity is attached to the wall surface of the channel, the lubricating oil is converged under the action of gravity and gas force and flows out from the lower side of the cover plate outlet 13, the exhaust channel can realize the one-way flow of the refrigerant gas, the refrigerant and the lubricating oil are separated, the separated lubricating oil flows down from the lower end of the cover plate outlet 13 and flows to the sliding sheet 9 through the upper flange through hole 16 arranged above the sliding sheet after being converged in the oil storage groove 17 of the upper flange 18, and the special oil supply and lubrication for the sliding sheet are realized.

In fig. 1, a refrigerant enters a compression cavity from an upper air suction port of an air cylinder, the compression cavity comprises an upper flange 4, an air cylinder 5, a roller 10, a sliding vane 9, a partition plate 6 or a lower flange 7 and the like, after being compressed, refrigerant and lubricating oil mixed gas shown in fig. 5 is discharged from an exhaust port 15 of the upper flange and enters a silencer module 3, the refrigerant and lubricating oil mixed gas after being silenced in a silencing cavity 19 enters a cover plate inlet 11 on a cover plate 2 through an exhaust port 14, the mixed gas realizes the separation of the refrigerant and the lubricating oil in a unidirectional flow channel 12, the refrigerant is discharged from the upper end of a cover plate outlet 13, the lubricating oil is discharged from the lower end of the cover plate outlet 13, the lubricating oil is collected in an oil storage groove 17 of the upper flange through a through hole 16 formed above the sliding vane and flows down to the sliding vane 9 along the gravity direction, so that special oil supply and lubrication for the sliding vane are realized, a stable-thickness oil film is formed between the sliding vane 9 and the sliding vane groove of the air cylinder 5, the friction loss is reduced, and the reliability of the compressor is improved.

In addition, the middle holes of the silencer module 3 and the cover plate 2 are matched with the shaft neck of the upper flange 4, the conventional cantilever beam structure of the upper flange is converted into an extending beam structure, the rigidity of the shaft neck of the upper flange can be improved, and the deflection of the shaft neck is reduced.

In addition, the cover plate 2 can be deformed and can be selected when the silencing capacity is insufficient, and the silencing groove 20 is introduced to realize the secondary silencing and noise reduction of the compressor exhaust.

It is easily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be regarded as the protection scope of the present application.

Claims

1. A muffler assembly, comprising:

a silencer module (3) comprising a silencing cavity (19) and an oil return hole (18);

a flat cover plate (2) attached to one side of the silencer module (3);

a groove is formed in the side face, close to the silencer module (3), of the cover plate (2) to form a flow channel (12); one end of the flow passage (12) is communicated with an exhaust port (14) of the silencing cavity (19), the other end of the flow passage is provided with an outlet which penetrates through two sides of the cover plate (2), and one side of the outlet is communicated with the oil return hole (18);

the flow passage (12) can separate oil from gas discharged from the exhaust port (14), and the separated oil flows to the other side of the silencer module (3) through the oil return hole (18).

2. A silencer assembly according to claim 1, wherein the flow passage (12) comprises a plurality of curved segment structures connected in series.

3. A silencer assembly according to claim 2, wherein the flow passage (12) is provided as a one-way flow-through structure of the tesla valve type.

4. A silencer assembly according to any of claims 1-3, wherein a section of the silencing groove (20) is provided in the flow channel (12), the width of the section of the silencing groove (20) being greater than the width of the remaining section of the flow channel (12).

5. A pump body assembly, comprising a muffler assembly according to any one of claims 1 to 4.

6. The pump body assembly according to claim 5, characterized in that it further comprises a flange, said silencer module (3) being provided on one side of said flange; the flange is provided with a through hole, one end of the through hole is communicated with the oil return hole (18), and oil can be guided to the other side of the flange.

7. The pump body assembly according to claim 6, characterized in that an oil storage groove (17) is further formed in the flange, and the oil storage groove (17) is communicated with the through hole; the oil storage tank (17) can collect oil liquid guided to the other side of the silencer module (3) by the oil return hole (18).

8. The pump body assembly according to claim 6 or 7, further comprising a cylinder (5), wherein a vane slot is formed on the cylinder (5); the other end of the through hole is communicated with the sliding sheet groove.

9. A compressor, comprising a muffler assembly according to any one of claims 1 to 4 or a pump body assembly according to any one of claims 5 to 8.