CN215170743U

CN215170743U - Compressor, air conditioner and have its vehicle

Info

Publication number: CN215170743U
Application number: CN202121379791.5U
Authority: CN
Inventors: 曹贞文; 胡余生; 魏会军; 朱红伟; 刘国良
Original assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Current assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai; Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-14
Anticipated expiration: 2031-06-21

Abstract

The application provides a compressor, an air conditioner and a vehicle with the same, wherein the compressor, the air conditioner and the vehicle with the air conditioner comprise a shell, a compression structure and an oil-gas separation structure, wherein an air suction port is formed in the shell; the compression structure is arranged in the shell; the oil-gas separation structure is arranged on the shell, and an inlet of the oil-gas separation structure is communicated with the air suction port; and a gas outlet of the oil-gas separation structure is communicated with the compression structure. According to the compressor, the air conditioner and the vehicle with the air conditioner, the problem that the compressor is lack of oil due to the fact that the compressor exhausts the air and takes the oil can be solved.

Description

Compressor, air conditioner and have its vehicle

Technical Field

The application belongs to the technical field of vehicles, and particularly relates to a compressor, an air conditioner and a vehicle with the same.

Background

At present, the horizontal vehicle-mounted scroll compressor has the advantages of simple structure, small volume, light weight, low noise, high mechanical efficiency, stable operation and the like. The scroll compressor is a complex machine which runs at high speed, and ensuring the sufficient lubrication of moving parts such as a crankshaft, a bearing, a scroll plate and the like of the compressor is a basic requirement for maintaining the normal running of the machine.

However, the horizontal vehicle-mounted scroll compressor is a special air pump, and a large amount of refrigerant gas is discharged while a small amount of lubricating oil (called oil spill) is entrained. Compressor exhaust oil leakage is unavoidable, only oil leakage speed is different, about 0.5 ~ 3% lubricating oil in the compressor exhaust, when oil extraction rate is oily big, long-term operation can cause compressor exhaust to take oil to lead to the compressor to lack oil, and compressor exhaust takes oil to lead to the compressor to lack oil and can cause the motion piece to lubricate inadequately, the oil lubrication inadequately can arouse bearing surface wearing and tearing or fish tail, can cause in serious time and embrace the axle, the incident of fracture, influence the reliability of compressor.

Therefore, how to provide a compressor, an air conditioner and a vehicle with the compressor, which can solve the problem that the compressor is lack of oil due to oil carried by the exhaust gas of the compressor, is a problem which needs to be solved urgently by a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the application is to provide a compressor, an air conditioner and a vehicle with the same, and the problem that oil shortage of the compressor is caused by oil carrying in the exhaust of the compressor can be solved.

In order to solve the above problems, the present application provides a compressor including:

the air suction port is arranged on the shell;

the compression structure is arranged in the shell;

the oil-gas separation structure is arranged on the shell, and an inlet of the oil-gas separation structure is communicated with the air suction port; and a gas outlet of the oil-gas separation structure is communicated with the compression structure.

Further, the casing includes first end cover, and the oil-gas separation structure sets up on first end cover.

Further, the oil-gas separation structure comprises a separation cavity, the first end cover is of a hollow structure, and the separation cavity is formed inside the hollow structure.

Furthermore, a silencing structure is arranged in the separation cavity;

and/or a separation net is arranged in the separation cavity.

Further, when the separation chamber is provided with a silencing structure, the silencing structure comprises a silencing pipe.

Furthermore, a silencing cavity is arranged in the silencing pipe, a necking section is arranged in the silencing cavity, and the number of the necking sections is set to be at least one section; when the number of the throat sections is set to two or more, the two or more throat sections are arranged in order in the axial direction of the silencer duct.

Furthermore, the shell also comprises a shell, and the first end cover is arranged at one end of the shell; the shell is provided with a gas channel which is communicated with a gas outlet and a compression cavity of the compression structure; the gas channel is used for guiding gas after oil-gas separation to enter the compression cavity.

Further, a hollow channel is arranged on the shell, the hollow channel extends along the axial direction of the compressor, and the hollow channel forms a gas channel.

Further, the compressor still includes the oil sump, and the oil outlet of oil-gas separation structure communicates to the oil sump, and the oil outlet is arranged in discharging the oil that carries out after the oil-gas separation to the oil sump.

Further, an oil channel is arranged on the first end cover and is communicated with the oil outlet and the oil pool;

and/or, the first end cap includes an end cap body and a bearing support; the end cover body and the bearing support piece are integrally connected; alternatively, the end cap body and the bearing support are sealingly connected.

According to still another aspect of the present application, there is provided an air conditioner including a compressor, the compressor being the above-mentioned compressor.

According to still another aspect of the present application, there is provided a vehicle including an air conditioner, the air conditioner being the air conditioner described above.

The application provides a compressor, air conditioner and have its vehicle, through set up the oil-gas separation structure on the casing, in gaseous oil-gas separation structure on getting into the casing through the suction hole, the gas after carrying out the oil-gas separation compressed in entering into compression structure, and the oil circulation rate is low promptly in the exhaust oil carrying rate, and the reliability is high, can effectively solve the compressor and exhaust oil carrying and lead to the compressor to lack the oily problem.

Drawings

Fig. 1 is a schematic structural view of a compressor according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a compressor according to an embodiment of the present application;

FIG. 3 is a schematic structural view of a silencer duct according to an embodiment of the present application;

FIG. 4 is a schematic structural view of a silencer duct according to an embodiment of the present application;

FIG. 5 is a schematic structural view of a silencer duct according to an embodiment of the present application;

fig. 6 is a schematic structural view of a silencer duct according to an embodiment of the present application.

The reference numerals are represented as:

1. a gas channel; 2. a housing; 3. a motor; 4. a crankshaft; 5. a bracket bearing; 6. a support; 7. a movable scroll pan; 8. a static scroll pan; 9. a second end cap; 10. an exhaust hole; 11. a first end cap; 12. a sound-deadening tube; 1201. a sound-deadening chamber; 1202. a first throat section; 1203. a second throat section; 13. a separation chamber; 14. an oil passage; 15. a gasket; 16. a bearing support.

Detailed Description

Referring to fig. 1-6, a compressor includes a housing, a compression structure and an oil-gas separation structure, the housing is provided with a suction port; the compression structure is arranged in the shell; the oil-gas separation structure is arranged on the shell, and an inlet of the oil-gas separation structure is communicated with the air suction port; the gas outlet and the compression structure intercommunication of oil-gas separation structure, the compressor that this application provided, air conditioner and have its vehicle, through set up the oil-gas separation structure on the casing, in gaseous oil-gas separation structure on getting into the casing through the suction opening, the gas after carrying out the oil-gas separation compressed in entering into the compression structure, and the exhaust band oil rate is oil circulation rate low promptly, and the reliability is high, can effectively solve the compressor exhaust band oil and lead to the compressor to lack the oily problem. The air suction opening is a circular or other-shaped casing air suction passage arranged on the outer side of the casing.

The application also discloses some embodiments, the casing includes first end cover 11, and the oil-gas separation structure sets up on first end cover 11, sets up the oil-gas separation structure on first end cover 11, and the import and the suction opening intercommunication of oil-gas separation structure, can effectively reduce the lubricating oil of breathing in, reduces the exhaust oil rate of taking.

The application also discloses some embodiments, oil-gas separation structure includes separation chamber 13, and first end cover 11 is hollow structure, and hollow structure is inside to form separation chamber 13. The end cover adopts a hollow structure, a separation cavity 13 is formed in the hollow structure, the separation cavity 13 is communicated with the air suction port, and the separation cavity 13 is used for carrying out oil-gas separation on gas sucked from the air suction port. The gas can return to the compressor from the air conditioning system for suction, the gas-oil mixture state is realized at the time, the oil-gas separation is carried out in the separation cavity 13, and the separated gas enters the suction cavity of the pump body.

The application also discloses some embodiments, a silencing structure is arranged in the separation cavity 13; the compressor compresses the gas as it performs its intended function) and, at the same time, necessarily produces additional output, primarily vibration and noise. The scroll compressor noise mainly includes mechanical noise, electromagnetic noise, air noise, liquid noise, and the like. Wherein, the air noise is caused by air flow pulsation and air gap leakage, and is transmitted to the space through the air and the shell; the liquid noise is caused by the refrigerant, the lubricant jet and the air pockets and propagates through the liquid and the shell to the space, while a large part of the scroll compressor noise is caused by the superposition of factors such as the electromagnetic noise of the suction pipe, the corresponding suction passage and the motor 3. And the sound attenuation structure arranged in the separation cavity 13 can effectively eliminate the sound and reduce the noise of the compressor.

The application also discloses embodiments in which a separation mesh is arranged in the separation chamber 13. The separation net is a latticed metal net which plays a role in strengthening oil-gas separation and silencing and reducing noise; oil-gas separation chamber 13 separation principle: generally, the lubricating oil is mixed with the gas in the form of liquid drops with different sizes, and the oil drops collide with the wall of the oil-gas separation cavity 13 or the silencing pipe 12 or the latticed metal net and the like in the air suction process, are gathered on the oil-gas separation cavity, flow to the bottom of the separation cavity 13 along the wall surface, and return to the bottom oil pool of the compressor through the oil channel 14.

Referring to fig. 3-4 in combination, the present application also discloses embodiments where the sound attenuating structure comprises a sound attenuating tube 12 when disposed within the separation chamber 13. The silencer duct 12 is an expanding silencer duct.

With reference to fig. 4-6, further, a silencing cavity 1201 is disposed in the silencing tube 12, and a number of necking sections is set to at least one section in the silencing cavity 1201; when the number of the throat sections is set to two or more, the two or more throat sections are arranged in order in the axial direction of the muffler pipe 12, and the two or more throat sections form a flow passage in series in the muffler chamber 1201. The structure of changing the expansion ratio of the resistant silencer, the length of the expansion chamber, the insertion mode of the inlet pipe and the outlet pipe, the stage number of the expansion cavity and the like has outstanding effect on the silencing quantity and the silencing frequency band of the compressor. The inner wall of the silencing pipe 12 forms a silencing cavity 1201, a pipe part is embedded in the silencing cavity 1201, the central axis of the first silencing pipe is overlapped with the central axis of the pipe part, and the pipe diameter of the pipe part is smaller than that of the silencing pipe 12. The pipe portion includes a first pipe portion that is embedded on the inner pipe wall of the silencer pipe 12 to form a first throat section 1202. The pipe portion includes a first pipe portion that is embedded on the inner pipe wall of the silencer pipe 12 to form a first throat section 1202. The pipe section comprises a second pipe section which is embedded in the inner pipe wall of the silencer pipe 12, forming a second necked down section 1203, the first necked down section 1202 and the second necked down section 1203 being unconnected, but communicating, i.e. forming two necked down sections in series.

The application also discloses some embodiments, the shell further comprises a shell 2, and a first end cover 11 is arranged at one end of the shell 2 in a covering manner; the shell 2 is provided with a gas channel 1, and the gas channel 1 is communicated with a gas outlet and a compression cavity of a compression structure; the gas channel 1 is used for guiding gas after oil-gas separation into the compression cavity. The air suction of the existing horizontal vehicle-mounted scroll compressor enters the pump body through the compressor motor 3, so that the motor 3 heats the air suction refrigerant of the compressor seriously, and the volumetric efficiency and the performance of the compressor are greatly reduced. And in this application with gas channel 1 setting on the casing, reduce the contact of refrigerant and motor 3, when can guide the gas behind the oil-gas separation to get into the pump body in the compression, still reduced the heating of motor 3 to the refrigerant. The first end cover 11 has a discharge hole 10 extending in the axial direction of the compressor, and the discharge hole 10 communicates with the gas passage 1.

The application also discloses embodiments, wherein the casing 2 is provided with a hollow channel, the hollow channel extends along the axial direction of the compressor, and the hollow channel forms the gas channel 1. The gas channel 1 is arranged in the shell, gas after oil-gas separation enters the pump body from the gas channel 1 in the shell to be compressed, a refrigerant does not flow through the motor 3 and has a certain distance with the motor 3, and heating of the motor 3 to the refrigerant can be further reduced.

The application also discloses some embodiments, and the compressor still includes the oil bath, and the oil export of oil-gas separation structure communicates to the oil bath, and the oil export is arranged in will carrying out the oil discharge to the oil bath after the oil-gas separation, retrieves in arranging the oil discharge to the oil bath after the oil-gas separation, can retrieve lubricating oil.

The application also discloses some embodiments, an oil channel 14 is arranged on the first end cover 11, and the oil channel 14 is communicated with the oil outlet and the oil pool; the oil channel 14 is arranged on the first end cover 11, so that the lubricating oil directly enters the compressor oil pool from the separation cavity 13, the lubricating oil is convenient to recover, and the lubricating oil can be prevented from being mixed into the refrigerant again.

Referring collectively to fig. 1-2, the present application further discloses embodiments wherein the first end cap 11 includes an end cap body and a bearing support 16; the end cap body and the bearing support 16 are integrally connected; alternatively, the end cap body and bearing support 16 are sealingly connected.

The first end cover 11 consists of an end cover body and a bearing support piece 16, the bearing support piece 16 is arranged on the inner surface of the end cover body, and the end cover body and the bearing support piece 16 are integrally connected, so that the structure is simpler, and the installation is more convenient; the end cover body and the bearing support piece 16 can be connected in a split mode, and a sealing gasket 15 is arranged between the end cover body and the bearing support piece to guarantee the sealing performance of the compressor shell 2.

This application is through designing the 12 structures of the oil-gas separation and the hush pipe of breathing in of different shape structures, can effectively reduce compressor exhaust oil carrying rate and noise reduction, can effectively reduce compressor exhaust oil carrying rate, noise reduction, it heats to the air-suction medium is harmful to reduce motor 3, the scroll compressor performance of structure like this is good, the noise vibration is low, exhaust oil carrying rate (oil circulation rate) is low, high reliability, realize the small-size lightweight purpose of horizontal on-vehicle scroll compressor.

The horizontal vehicle-mounted scroll compressor mainly comprises a first end cover 11, a shell, a motor 3, a crankshaft 4, an upper bracket 6, a bracket bearing 5, a movable scroll 7, a static scroll 8, a second end cover 9 and the like. The stator of the motor 3 is fixed on the shell, the rotor of the motor 3 is fixed on the crankshaft 4 through interference, the crankshaft 4 is supported through a first end cover 11 and two ends of an upper bracket 6, a movable scroll disk 7 and a fixed scroll disk 8 are oppositely arranged on the upper bracket 6 with a phase angle difference of 180 degrees, the movable scroll disk 7 moves under the driving of the crankshaft 4 and is meshed with the fixed scroll disk 8 to form a series of crescent closed cavities which are mutually isolated and continuously changed in volume, air suction → compression → air exhaust is continuously formed, compressed refrigerant gas is exhausted from a central air outlet of the fixed scroll disk 8 and is exhausted through an air exhaust end cover exhaust channel and enters a system through an air exhaust connecting pipe connected with the system. The first end cap 11 is a suction end cap and the second end cap 9 is a discharge end cap.

According to an embodiment of the application, an air conditioner is provided, which comprises a compressor, wherein the compressor is the compressor. The compressor is a scroll compressor. The scroll compressor is a horizontal scroll compressor.

According to an embodiment of the application, a vehicle is provided, and the vehicle comprises an air conditioner.

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

1. A compressor, comprising:

the air suction device comprises a shell, wherein an air suction port is formed in the shell;

a compression structure disposed within the housing;

2. The compressor of claim 1, wherein the housing includes a first end cover (11), and the oil-gas separation structure is disposed on the first end cover (11).

3. The compressor of claim 2, wherein the oil-gas separation structure comprises a separation chamber (13), and the first end cover (11) is a hollow structure, and the separation chamber (13) is formed inside the hollow structure.

4. A compressor according to claim 3, characterized in that a sound-deadening structure is provided in the separation chamber (13);

and/or a separation net is arranged in the separation cavity (13).

5. Compressor according to claim 4, characterized in that when a sound-deadening structure is provided in the separation chamber (13), said sound-deadening structure comprises a sound-deadening tube (12).

6. The compressor as recited in claim 5, characterized in that a silencing chamber (1201) is provided in said silencing tube (12), and in that a necking segment is provided in said silencing chamber (1201), said necking segments being provided in number of at least one segment; when the number of the throat sections is set to two or more, the two or more throat sections are arranged in order in the axial direction of the silencer duct (12).

7. The compressor of claim 2, wherein the housing further comprises a casing (2), and the first end cover (11) is disposed at one end of the casing (2); the shell (2) is provided with a gas channel (1), and the gas channel (1) is communicated with the gas outlet and a compression cavity of the compression structure; the gas channel (1) is used for guiding gas after oil-gas separation to enter the compression cavity.

8. Compressor according to claim 7, characterized in that the casing (2) is provided with a hollow channel extending in the axial direction of the compressor, said hollow channel forming the gas channel (1).

9. The compressor of claim 2, further comprising an oil sump, wherein an oil outlet of the oil-gas separation structure is communicated to the oil sump, and the oil outlet is used for discharging oil subjected to oil-gas separation into the oil sump.

10. The compressor of claim 9, wherein the first end cover (11) is provided with an oil passage (14), and the oil passage (14) is communicated with the oil outlet and the oil pool;

and/or the first end cap (11) comprises an end cap body and a bearing support (16); the end cap body and the bearing support (16) are integrally connected; alternatively, the end cap body and the bearing support (16) are sealingly connected.

11. An air conditioner comprising a compressor, wherein the compressor is as claimed in any one of claims 1 to 9.

12. A vehicle comprising an air conditioner, characterized in that the air conditioner is the air conditioner recited in claim 10.