CN218542718U - Gas suspension compressor - Google Patents
Gas suspension compressor Download PDFInfo
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- CN218542718U CN218542718U CN202222511037.3U CN202222511037U CN218542718U CN 218542718 U CN218542718 U CN 218542718U CN 202222511037 U CN202222511037 U CN 202222511037U CN 218542718 U CN218542718 U CN 218542718U
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Abstract
The application discloses an air suspension compressor, which comprises a shell, a volute, a stator, a main shaft and a bearing assembly, wherein the volute is arranged on two sides of the shell and is provided with an air outlet; the air suspension compressor further comprises a cooling channel and an air supply channel, the cooling channel is arranged on the machine shell and used for cooling the stator, the air supply channel is connected with the bearing assembly and separated from the cooling channel, and the air supply channel is used for supplying air to the bearing assembly. Above-mentioned gas suspension compressor can reduce the holistic occupation space of gas suspension compressor, and high temperature high-pressure gas that simultaneously can make full use of motor and compressor production avoids the waste of heat to reduce the energy consumption.
Description
Technical Field
The application relates to the technical field of refrigeration equipment, in particular to a gas suspension compressor.
Background
At present, the gas suspension compressor adopts static pressure gas suspension to realize the main shaft and supports, and realizes that static pressure gas suspension needs to last the air feed from the outside, for example, irritate the air feed through setting up the air feed in the compressor outside, however, the mode that external air feed irritated, occupation space is big, and consumes energy, and economic nature is relatively poor. Therefore, there is a need for a gas suspension compressor with small space and low energy consumption.
SUMMERY OF THE UTILITY MODEL
The application aims to provide an air suspension compressor, which can reduce the occupied space and can make full use of the heat of a motor, thereby reducing the energy consumption.
To achieve the above object, the present application provides a gas suspension compressor, comprising:
a housing;
the volute is arranged on two sides of the machine shell and provided with an exhaust port;
the stator is arranged inside the shell;
the main shaft is rotatably arranged in the shell and is used for rotating along the axial direction of the stator;
a bearing assembly engaged with the main shaft for supporting the main shaft;
the cooling channel is arranged on the shell and used for cooling the stator;
a gas supply passage connected to the bearing assembly and spaced apart from the cooling passage for supplying gas to the bearing assembly;
and part of the hot air source discharged from the air outlet flows to the bearing assembly through the air supply channel so as to realize air suspension support of the bearing assembly, and the rest of the hot air source flows through the cooling channel after being cooled so as to realize cooling of the stator.
In some embodiments, at least a portion of the air supply channel is located on a side of the cooling channel adjacent the stator.
In some embodiments, the air supply device further comprises a casing structure, the casing structure and the casing are an integrated structure, or the casing structure and the casing are combined to form an integrated structure, and the air supply channel is arranged in the casing structure.
In some embodiments, the housing structure is located between the casing and the stator.
In some embodiments, the housing structure and the casing are arranged side by side along the axial direction of the stator, and at least a part of the housing structure is nested and matched with the casing.
In some embodiments, the spindle further comprises an air inlet which penetrates through the casing and is connected with the air supply channel, wherein the air supply channel comprises a first channel and a second channel, and the first channel and the second channel are respectively connected with the bearing assemblies at two ends of the spindle.
In some embodiments, at least part of the structure of the first channel and at least part of the structure of the second channel are both helical channels arranged in the axial direction of the stator.
In some embodiments, the cooling passages in the enclosure, and the air supply passages in the housing structure, are in a channel or cavity configuration.
In some embodiments, the cooling channel is a spiral channel arranged along the axial direction of the stator, or the cooling channel comprises a plurality of annular channels, and each spiral channel and/or each annular channel are arranged at intervals along the axial direction of the stator.
In some embodiments, the air supply system further comprises an air supply pipeline, the air supply pipeline comprises a main pipeline, a first pipeline and a second pipeline, the main pipeline is connected with the exhaust port, the first pipeline is connected with the main pipeline and the cooling channel, the second pipeline is connected with the main pipeline and the air supply channel, the first pipeline and the second pipeline are respectively provided with a first control valve and a second control valve, and the first control valve and the second control valve are used for respectively controlling air inflow of the cooling channel and air supply channel.
Compared with the background art, the air suspension compressor provided by the embodiment of the application comprises a casing, a volute, a stator, a main shaft and a bearing assembly, wherein the volute is arranged on two sides of the casing and provided with an exhaust port, the stator is arranged in the casing, the main shaft is rotatably arranged in the casing, the main shaft is used for rotating relative to the stator along the axial direction of the stator, the bearing assembly is matched with the main shaft, and the bearing assembly is used for supporting the main shaft; further, the air suspension compressor further comprises a cooling channel and an air supply channel, wherein the cooling channel is arranged on the machine shell and used for cooling the stator, the air supply channel is connected with the bearing assembly, the air supply channel is separated from the cooling channel and used for supplying air to the bearing assembly. In this way, part of the hot air source discharged from the air outlet flows to the bearing assembly through the air supply channel to realize air suspension support of the bearing assembly, and the rest of the hot air source flows through the cooling channel after being cooled to dissipate heat of the stator.
It can be understood that, in the air suspension compressor in the prior art, the air supply part is external, and the air supply part and the compressor are separately arranged, so that the occupied space is large, heat generated by the motor is not well utilized, and the heat waste of the motor is caused. Compared with the traditional arrangement mode, the air suspension compressor provided by the embodiment of the application has the advantages that the air from the exhaust port is conveyed to the bearing assembly through the air supply channel to realize air suspension support of the bearing assembly, the cooled air from the exhaust port is conveyed through the cooling channel to cool the stator, the air supply channel and the cooling channel are arranged in the air suspension compressor and are separated from each other, namely, the air supply channel and the cooling channel are independent from each other, a part of the heating air discharged by the motor and the compressor flows through the air supply channel to be used as high-temperature and high-pressure air for forming an air film of the bearing assembly, and the redundant air flows through the cooling channel after being cooled to reduce the heat of the stator. So, on the one hand, place the gas suspension compressor in gas supply channel and cooling channel in, can reduce the holistic occupation space of gas suspension compressor, on the other hand, can make full use of the high temperature high-pressure gas that motor and compressor produced, avoid the heat waste to reduce the energy consumption.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a first gas suspension compressor in an embodiment of the present application, and the direction of arrows in fig. 1 is a gas flow direction;
fig. 2 is a schematic structural view of a second air suspension compressor in the embodiment of the present application, and the direction of arrows in fig. 2 is a gas flow direction;
FIG. 3 is a schematic structural view of a third air suspension compressor according to an embodiment of the present application, wherein the direction of the arrows in FIG. 3 is the air flowing direction;
fig. 4 is a schematic structural diagram of a fourth gas suspension compressor in the embodiment of the present application, and the direction of arrows in fig. 4 is a gas flow direction.
Wherein:
1-shell, 2-stator, 3-main shaft, 4-bearing assembly, 5-volute, 51-exhaust port, 6-cooling channel, 7-air supply channel, 8-shell structure, 9-air inlet, 10-air supply pipeline, 101-main pipeline, 102-first pipeline, 103-second pipeline, 11-first control valve, 12-second control valve and 13-cooling device.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to enable those skilled in the art to better understand the scheme of the present application, the present application will be described in further detail with reference to the accompanying drawings and the detailed description.
It should be noted that the following directional terms such as "upper end, lower end, left side, right side" and the like are defined based on the drawings of the specification.
Referring to fig. 1, an air suspension compressor provided in an embodiment of the present application includes a motor portion and a pneumatic portion. The motor part comprises a machine shell 1, a stator 2, a rotor and a main shaft 3, wherein the stator 2 is arranged inside the machine shell 1, the main shaft 3 is rotatably arranged inside the machine shell 1, the main shaft 3 is used for rotating relative to the stator 2 along the axial direction of the stator 2, a bearing assembly 4 is matched with the main shaft 3, and the bearing assembly 4 is used for supporting the main shaft 3 so as to ensure the stability and reliability of the rotation of the main shaft 3; the pneumatic part comprises an impeller and a volute 5, the volute 5 is arranged on two sides of the machine shell 1, the volute 5 is provided with an exhaust port 51, and the exhaust port 51 is used for exhausting high-temperature and high-pressure gas generated by the motor and the compressor.
It should be noted that the bearing assembly 4 of the air suspension compressor provided in the embodiment of the present application is a static pressure air suspension bearing structure, and the air suspension compressor further includes an air supply system, which absorbs heat of the motor exhaust air in the compressor and converts the heat into air supply pressure, so as to distribute the high-temperature and high-pressure air to corresponding positions as required to perform corresponding functions.
Further, the air supply system comprises a cooling channel 6 and an air supply channel 7, wherein the cooling channel 6 is arranged on the casing 1, the cooling channel 6 is connected with the air outlet 51 through a pipeline, and the cooling channel 6 is used for cooling the stator 2; the gas supply channel 7 is connected with the bearing assembly 4, the gas supply channel 7 is connected with the gas outlet 51 through a pipeline, the gas supply channel 7 is separated from the cooling channel 6, and the gas supply channel 7 is used for supplying gas to the bearing assembly 4.
In this way, part of the hot air discharged from the air outlet 51 flows to the bearing assembly 4 through the air supply channel 7 to realize air suspension support of the bearing assembly 4, and the rest of the hot air flows through the cooling channel 6 after being cooled to dissipate heat of the stator 2.
It can be understood that, in the air suspension compressor in the prior art, the air supply part is external, and the air supply part and the compressor are separately arranged, so that the occupied space is large, and the heat generated by the motor is not well utilized, thereby causing the heat waste of the motor. Compared with the conventional arrangement mode, in the air suspension compressor provided in the embodiment of the present application, the air from the air outlet 51 is delivered to the bearing assembly 4 through the air supply channel 7 to realize air suspension support of the bearing assembly 4, the cooled air from the air outlet 51 is delivered through the cooling channel 6 to cool the stator 2, the air supply channel 7 and the cooling channel 6 are built in the air suspension compressor, and the air supply channel 7 and the cooling channel 6 are separated from each other, that is, the air supply channel 7 and the cooling channel 6 are independent from each other, a part of the heated air discharged by the motor and the compressor flows through the air supply channel 7 to be used as high-temperature and high-pressure air forming an air film on the bearing assembly 4, and the rest of the air flows through the cooling channel 6 after being cooled to reduce the heat of the stator 2.
Thus, on the one hand, the air supply channel 7 and the cooling channel 6 are arranged in the air suspension compressor, the whole occupied space of the air suspension compressor can be reduced, on the other hand, high-temperature and high-pressure air generated by the motor and the compressor can be fully utilized, the heat waste is avoided, and the energy consumption is reduced.
According to actual needs, before the gas flows into the cooling channel 6, a cooling device 13 may be disposed on the branch pipe connected to the inlet of the cooling channel 6, so that the high-temperature gas flowing out of the exhaust port 51 enters the cooling channel 6 after being cooled by the cooling device 13, and of course, the cooling device 13 may be a condenser.
In some embodiments, at least a portion of the air supply channel 7 is located on a side (inside) of the cooling channel 6 near the stator 2.
It should be noted that, since the gas film forming effect of the high-temperature and high-pressure gas is more excellent, it is necessary to ensure the temperature and pressure of the gas in the gas supply passage 7. Take gas feed channel 7 to locate the stator 2 outside as an example, at least partly of gas feed channel 7 is located between cooling channel 6 and stator 2, at least partly be located one side that cooling channel 6 deviates from stator 2 in comparison with gas feed channel 7, at least partly of gas feed channel 7 is located between cooling channel 6 and stator 2, stator 2 and cooling channel 6 are contacted respectively to the inside and outside both sides of at least partly of gas feed channel 7, because cooling channel 6 separates with gas feed channel 7, and the heat on the stator 2 can effectively slow down the loss of gas heat in gas feed channel 7 (the difference in temperature of gas is littleer in stator 2 and the gas feed channel 7), thereby can improve the utilization ratio of the energy.
In some embodiments, the air suspension compressor further includes a housing structure 8, the housing structure 8 and the casing 1 are formed as a single structure, or the housing structure 8 and the casing 1 are formed as a single structure after being combined, and the air supply channel 7 is disposed in the housing structure 8.
In some embodiments, the housing structure 8 is located between the casing 1 and the stator 2. That is to say, the whole shell structure 8 is located between the casing 1 and the stator 2, the shell structure 8 and the casing 1 adopt an inner-outer laminated structure, and the shell structure 8 and the casing 1, and the shell structure 8 and the stator 2 are both arranged without a gap.
Specifically, the air suspension compressor further comprises an air inlet 9, wherein the air inlet 9 penetrates through the casing 1 and is connected with an air supply channel 7, the air supply channel 7 comprises a first channel and a second channel, and the first channel and the second channel are respectively connected with the bearing assemblies 4 at two ends of the main shaft 3.
In this way, the gas introduced into the casing 1 through the gas inlet 9 flows to the bearing assemblies 4 at both ends of the main shaft 3 through the first passage and the second passage, respectively.
Of course, according to actual needs, at least part of the structure of the first channel and at least part of the structure of the second channel are both spiral channels arranged along the axial direction of the stator 2. For example, the first channel and the second channel are spiral channels at the part close to the gas inlet 9, and linear channels at the part far from the gas inlet 9, and the linear channels are connected to the bearing assembly 4 through the gas outlet pipe, so that the gas is sent to the bearing assembly 4, and for the radial bearing, the gas flows between the radial bearing and the main shaft 3 through the radial bearing, and a gas film is formed between the radial bearing and the main shaft 3.
It should be noted that the gas supply channel 7 may be an equal-diameter channel, or, of course, a variable-diameter channel, provided that when gas flows along the gas supply channel 7, it is ensured that the pressure does not change significantly with the change of the diameter of the gas supply channel 7.
In some embodiments, the housing structure 8 and the casing 1 are arranged side by side along the axial direction of the stator 2, and at least a part of the structure of the housing structure 8 is nested and matched with the casing 1.
Specifically, referring to fig. 4, in this embodiment, the housing structure 8 includes a left portion and a right portion, wherein the left portion is nested with the casing 1, provided that the air supply channel 7 in the left portion is located inside the cooling channel 6 in the casing 1; the right part and the casing 1 are arranged side by side along the axial direction of the stator 2, and the air inlet 9 is arranged at the middle position of the top of the right part.
In some embodiments, referring to fig. 2 and 3, the cooling channel 6 of the casing 1 and the air supply channel 7 of the housing structure 8 are both of a channel structure or a cavity structure. The channel structure means that a corresponding continuous groove is formed in the inner wall of the casing 1 or the casing structure 8 so that the gas flows along the continuous groove, and the cavity structure hollows out a part of the structure in the casing 1 or the casing structure 8 and forms a cavity for the gas to flow.
In some embodiments, the cooling channel 6 is a spiral channel disposed along the axial direction of the stator 2, or the cooling channel 6 includes several annular channels, each spiral channel and/or annular channel being spaced and disposed in parallel along the axial direction of the stator 2. Spiral cooling channels 6 are preferred herein.
In some embodiments, in order to facilitate the proportional distribution of the heat of the motor, the air suspension compressor further includes an air supply pipeline 10, the air supply pipeline 10 includes a main pipeline 101, a first pipeline 102 and a second pipeline 103, the main pipeline 101 is connected to the exhaust port 51, the first pipeline 102 connects the main pipeline 101 to the cooling channel 6, of course, the cooling device 13 may be disposed on the first pipeline 102, the second pipeline 103 connects the main pipeline 101 to the air supply channel 7, and the first pipeline 102 and the second pipeline 103 are respectively provided with a first control valve 11 and a second control valve 12, and the first control valve 11 and the second control valve 12 are used for respectively controlling the air intake amounts of the cooling channel 6 and the air supply channel 7. The first control valve 11 and the second control valve 12 are proportional valves.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The air suspension compressor provided by the present application is described in detail above. The principle and the implementation of the present application are explained herein by using specific examples, and the above descriptions of the examples are only used to help understand the scheme and the core idea of the present application. It should be noted that, for those skilled in the art, without departing from the principle of the present application, the present application can also make several improvements and modifications, and those improvements and modifications also fall into the protection scope of the claims of the present application.
Claims (10)
1. An air-suspension compressor, comprising:
a housing (1);
the volute (5) is arranged on two sides of the machine shell (1), and the volute (5) is provided with an exhaust port (51);
a stator (2) provided inside the housing (1);
the main shaft (3) is rotatably arranged in the shell (1) and is used for rotating along the axial direction of the stator (2);
a bearing assembly (4) cooperating with the spindle (3) for supporting the spindle (3);
a cooling channel (6) arranged on the casing (1) for cooling the stator (2);
a gas supply channel (7) connected to the bearing assembly (4) and spaced from the cooling channel (6) for supplying gas to the bearing assembly (4);
wherein, the hot air source discharged from the air outlet (51) flows to the bearing assembly (4) through the air supply channel (7) to realize air suspension support of the bearing assembly (4), and the rest hot air source flows through the cooling channel (6) after being cooled to realize cooling of the stator (2).
2. Gas suspension compressor according to claim 1, characterized in that at least a part of the gas supply channel (7) is located on the side of the cooling channel (6) close to the stator (2).
3. The air-suspension compressor according to claim 2, further comprising a housing structure (8), wherein the housing structure (8) and the casing (1) are an integral structure, or the housing structure (8) and the casing (1) are combined to form an integral structure, and the air supply channel (7) is disposed in the housing structure (8).
4. Gas suspension compressor according to claim 3, characterized in that the housing structure (8) is located between the casing (1) and the stator (2).
5. Gas suspension compressor according to claim 3, characterized in that said shell structure (8) and said casing (1) are arranged side by side along the axial direction of said stator (2), and at least a part of the structure of said shell structure (8) is nested with said casing (1).
6. Air-suspension compressor, according to claim 4, characterized in that it further comprises an air inlet (9), said air inlet (9) passing through said shell (1) and being connected to said air supply channel (7), said air supply channel (7) comprising a first channel and a second channel, said first channel and said second channel being connected to said bearing assembly (4) at the two ends of said main shaft (3), respectively.
7. Gas suspension compressor according to claim 6, characterized in that at least part of the structure of said first channel and at least part of the structure of said second channel are both helical channels arranged in the direction of the axis of said stator (2).
8. Gas suspension compressor according to claim 3, characterized in that the cooling channel (6) on the casing (1) and the gas supply channel (7) on the housing structure (8) are of a channel-type or cavity-type construction.
9. Gas suspension compressor according to any of claims 1-8, characterized in that the cooling channel (6) is a spiral channel arranged in the axial direction of the stator (2), or that the cooling channel (6) comprises several annular channels, each of the spiral channels and/or the annular channels being arranged at intervals in the axial direction of the stator (2).
10. The gas suspension compressor according to any one of claims 1-8, further comprising a gas supply line (10), wherein the gas supply line (10) comprises a main line (101), a first line (102) and a second line (103), the main line (101) is connected to the gas outlet (51), the first line (102) is connected to the main line (101) and the cooling channel (6), the second line (103) is connected to the main line (101) and the gas supply channel (7), and a first control valve (11) and a second control valve (12) are respectively arranged on the first line (102) and the second line (103), and the first control valve (11) and the second control valve (12) are used for respectively controlling the gas intake amount of the cooling channel (6) and the gas supply channel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222511037.3U CN218542718U (en) | 2022-09-21 | 2022-09-21 | Gas suspension compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222511037.3U CN218542718U (en) | 2022-09-21 | 2022-09-21 | Gas suspension compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218542718U true CN218542718U (en) | 2023-02-28 |
Family
ID=85275158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222511037.3U Active CN218542718U (en) | 2022-09-21 | 2022-09-21 | Gas suspension compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218542718U (en) |
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2022
- 2022-09-21 CN CN202222511037.3U patent/CN218542718U/en active Active
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