CN220890593U - Self-cooling air suspension blower - Google Patents
Self-cooling air suspension blower Download PDFInfo
- Publication number
- CN220890593U CN220890593U CN202322587202.8U CN202322587202U CN220890593U CN 220890593 U CN220890593 U CN 220890593U CN 202322587202 U CN202322587202 U CN 202322587202U CN 220890593 U CN220890593 U CN 220890593U
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- cooling
- air
- bearing seat
- radial bearing
- end cover
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- 238000001816 cooling Methods 0.000 title claims abstract description 162
- 239000000725 suspension Substances 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 239000000112 cooling gas Substances 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010010904 Convulsion Diseases 0.000 description 1
- 108010015780 Viral Core Proteins Proteins 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of air suspension blowers and discloses a self-cooling air suspension blower which comprises an air compression impeller, a volute, an air compression end cover, a radial air suspension bearing, an air compression end radial bearing seat, an outer shell, an inner shell, a stator, a rotor shaft, a cooling end radial bearing seat, an axial air suspension bearing, a cooling end cover and a thrust disc.
Description
Technical Field
The utility model relates to the technical field of air suspension blowers, in particular to a self-cooling air suspension blower.
Background
The air suspension blower is a new concept blower, adopts three major core high-end technologies of an ultra-high speed direct-connected motor, an air suspension bearing and a high-precision single-stage centrifugal impeller, creates a new era of high-efficiency, high-performance, low-noise and low-energy-consumption blower, and is a new generation of high-technology civil product which is developed in focus by adopting aviation turbine mechanical design experience.
The existing air suspension blower generally adopts a structure of adding an independent cooling fan when considering motor cooling design, adopts a blowing cooling mode, and adopts an induced draft cooling mode, so that the motor cooling efficiency is higher due to the addition of the independent cooling fan, the whole machine structure tends to be complex, the weight of the whole machine is increased, and the space adaptation capability is limited.
Disclosure of utility model
The utility model provides a self-cooling air suspension blower, which aims to solve the problems that the air suspension blower provided in the background art is complex in structure, so that the whole machine is heavy and the space adaptation capacity is limited.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the self-cooling air suspension blower comprises an air compressing impeller, a volute, an air compressing end cover, a radial air bearing, an air compressing end radial bearing seat, an outer shell, an inner shell, a stator, a rotor shaft, a cooling end radial bearing seat, an axial air bearing, a cooling end cover and a thrust disc, wherein the front end of the outer shell is fixedly connected with the air compressing end radial bearing seat through bolts, the front end of the air compressing end radial bearing seat is fixedly connected with the air compressing end cover through bolts, the center of the front end of the air compressing end cover is fixedly connected with a working medium air inlet, the outer part of the working medium air inlet is fixedly connected with the volute, the volute is communicated with the inner part of the working medium air inlet and is positioned at the outer part of the front end of the air compressing end cover, the upper end of the volute is communicated with a working medium air outlet, the rear end of the outer shell is fixedly connected with the cooling end radial bearing seat through bolts, and the rear end of the cooling end radial bearing seat is fixedly connected with the cooling end cover through bolts;
The inside of the outer shell is fixedly connected with a stator through an inner shell, the inside of the stator is rotationally connected with a rotor shaft, the front end and the rear end of the rotor shaft are respectively rotationally connected inside a radial bearing seat of the compressed air end and a radial bearing seat of the cooling end through radial air bearing bearings, the rotor shaft penetrates through the outside of the front end of the compressed air end cover and the outside of the rear end of the cooling end cover respectively, the front end of the rotor shaft is fixedly connected with a compressed air impeller, the compressed air impeller is positioned inside a working medium air inlet, the rear end of the rotor shaft is fixedly connected with a thrust disc through a locking nut, and the thrust disc is positioned inside the front end of the cooling end cover;
The outer shell cylinder outer wall and the inside a plurality of radial annular cooling gas outlets of having seted up of front end outer wall intersection department, and a plurality of radial annular cooling gas outlets all communicate with the shell is inside, a plurality of axial ventilation grooves that run through around having been seted up to the inside inner shell cylinder outer wall, a plurality of radial bearing frame axial cooling passageway have been seted up to the inside outside in cooling end radial bearing frame rear end center department, a plurality of first axial cooling passageway have been seted up in cooling end cover rear end center department outside, the inside second axial cooling passageway of having seted up in cooling end cover center department.
Preferably, axial air bearing is arranged between the thrust disc and the cooling end radial bearing seat and between the thrust disc and the cooling end cover, and the two axial air bearing are respectively fixed on the outer side of the center of the rear end of the cooling end radial bearing seat and the outer side of the center of the front end of the cooling end cover.
Preferably, the stator and the rotor shaft are not contacted with each other, a gap cooling channel between the stator and the rotor is formed, and the gap cooling channel is communicated with a gap between the stator and the radial bearing seat at the compression end and a gap between the stator and the radial bearing seat at the cooling end.
Preferably, the thrust disc consists of a disc body and air guide blades, is rotatably connected inside the cooling end cover, and is not in contact with the inner wall of the cooling end cover.
Preferably, the inner shell and the outer shell are connected in an interference manner, and the stator is fixed on the inner wall of the inner shell in an interference manner.
Preferably, a plurality of said radial bearing housing axial cooling passages are in communication with a plurality of first and second axial cooling passages through the cooling end cap interior and with the housing interior.
Compared with the prior art, the utility model has the following beneficial effects:
1. The cooling end cover is arranged at the rear end of the radial bearing seat of the cooling end, the radial bearing seat axial cooling channel is formed in the radial bearing seat of the cooling end, the first axial cooling channel is formed in the cooling end cover, meanwhile, the radial annular cooling air outlet is formed in the front side of the outer wall of the shell cylinder, the first axial cooling channel, the radial bearing seat axial cooling channel, the axial ventilation groove, the gap cooling channel between the stator and the rotor and the radial annular cooling air outlet form a cooling air channel, air is supplied through the thrust disc arranged between the radial bearing seat of the cooling end and the cooling end cover, heat is dissipated in the shell, the whole machine structure is simplified when the inside of the blower is fully cooled, the weight of the whole machine is reduced, and the space adaptability of the whole machine is improved.
2. Through set up second axial cooling channel in cooling end cover rear end center department inside, and communicate with radial bearing frame axial cooling channel through cooling end cover inside, carry out the convulsions through the thrust disc simultaneously, let the cooling gas that follow second axial cooling channel suction can cool off axial air bearing, when guaranteeing motor main part cooling, also promoted axial air bearing's cooling efficiency, improved axial air bearing's life.
Drawings
FIG. 1 is a schematic view of an overall structure and a cooling channel in the present utility model;
FIG. 2 is a schematic view of the thrust disk structure of the present utility model;
Fig. 3 is a schematic view of the structure of the cooling end cap of the present utility model.
In the figure: 1. a gas-compressing impeller; 2. a volute; 3. a compressed air end cover; 4. a radial air bearing; 5. radial bearing seat of air compressing end; 6. a housing; 7. an inner case; 8. a stator; 9. a rotor shaft; 10. a radial bearing seat of the cooling end; 11. an axial air bearing; 12. cooling the end cap; 13. a thrust plate; 100. a working medium inlet port; 101. a working medium outlet; 102. radial annular cooling air outlet; 103. an axial ventilation slot; 104. a gap cooling channel between the stator and the rotor; 105. radial bearing pedestal axial cooling channel; 106. a first axial cooling passage; 107. a second axial cooling passage; 1301. a tray body; 1302. and the wind guide blade.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3, the utility model provides a self-cooling air suspension blower, which comprises an air impeller 1, a volute 2, an air compressing end cover 3, a radial air bearing 4, an air compressing end radial bearing seat 5, an outer shell 6, an inner shell 7, a stator 8, a rotor shaft 9, a cooling end radial bearing seat 10, an axial air bearing 11, a cooling end cover 12 and a thrust disc 13, wherein the front end of the outer shell 6 is fixedly connected with the air compressing end radial bearing seat 5 through bolts, the front end of the rotor shaft 9 is limited, the bolts are fixed and convenient to mount and dismount, the front end of the air compressing end radial bearing seat 5 is fixedly connected with the air compressing end cover 3 through bolts, the air compressing end cover 3 is used for pressurizing, the center of the front end of the air compressing end cover 3 is fixedly connected with a working medium air inlet 100, the outer part of the working medium air inlet 100 is fixedly connected with the volute 2, the inner part of the volute 2 is communicated with the working medium air inlet 100, the outer part of the front end of the air compressing end cover 3 is guided by the volute 2 and the working medium air inlet 100, the upper end of the volute 2 is communicated with the working medium air outlet 101, the pressurized air is guided out of the air bearing seat through the working medium outlet 10, the rear end of the outer shell 6 is fixedly connected with the cooling end radial bearing seat 10 through bolts, the cooling end of the cooling end is connected with the working medium inlet 100 through bolts, the working medium inlet 100, the working end is fixedly connected with the working end 100, the working end and the working end is connected with the working end 100 through the working end 100, and the working end is connected with the working end by the working end 100;
The inside of the outer shell 6 is fixedly connected with a stator 8 through an inner shell 7 and used for driving a rotor shaft 9 to rotate, the inside of the stator 8 is rotationally connected with the rotor shaft 9, the front end and the rear end of the rotor shaft 9 are respectively rotationally connected inside a compressed air end radial bearing seat 5 and a cooling end radial bearing seat 10 through radial air bearing bearings 4 and respectively penetrate through the outside of the front end of an air compressing end cover 3 and the outside of the rear end of a cooling end cover 12 and are used for driving an air compressing impeller 1 to rotate, the air compressing impeller 1 and a thrust disc 13 are simultaneously driven through the rotor shaft 9, the front end of the rotor shaft 9 is fixedly connected with the air compressing impeller 1, the air compressing impeller 1 is positioned in a working medium air inlet 100, the rear end of the rotor shaft 9 is fixedly connected with the thrust disc 13 through a locking nut, the thrust disc 13 is positioned in the inside the front end of the cooling end cover 12, the built-in thrust disc 13 occupies less space, and active air supply can be carried out through the rotor shaft 9;
A plurality of radial annular cooling air outlets 102 are formed in the intersection of the outer wall of the outer shell 6 and the outer wall of the front end, the radial annular cooling air outlets 102 are communicated with the inner part of the outer shell 6 and used for discharging cooled air, a plurality of axial ventilation grooves 103 penetrating through the inner wall of the outer shell 7 in the front-back mode are formed in the outer wall of the outer shell 7, the inner shell 7 cools the stator 8 through the axial ventilation grooves 103 and flowing cooling air, a plurality of radial bearing seat axial cooling channels 105 are formed in the outer side of the center of the rear end of the radial bearing seat 10, a plurality of first axial cooling channels 106 are formed in the outer side of the center of the rear end of the cooling end cover 12, cooling air is introduced into the inner part of the blower through the first axial cooling channels 106 and the second axial cooling channels 107, and cooling channels 107 are formed in the center of the cooling end cover 12, and cooling channels formed by the axial ventilation grooves, the gap cooling channels between the stator and the rotor and the radial annular cooling air outlets.
The axial air bearing 11 is arranged between the thrust disc 13 and the cooling end radial bearing seat 10 and between the thrust disc 13 and the cooling end cover 12, the thrust disc 13 can rotate between the cooling end radial bearing seat 10 and the cooling end cover 12 more smoothly through the axial air bearing 11, and the two axial air bearing 11 are respectively fixed on the outer side of the center of the rear end of the cooling end radial bearing seat 10 and the outer side of the center of the front end of the cooling end cover 12, so that cooling gas can pass through, and space is saved.
The stator 8 and the rotor shaft 9 are not in contact with each other, and a gap cooling channel 104 between the stator and the rotor is formed, so that cooling gas can pass through more conveniently, and is used for cooling between the stator 8 and the rotor shaft 9 and is communicated with a gap between the stator 8 and the radial bearing seat 5 at the compression end and a gap between the stator 8 and the radial bearing seat 10 at the cooling end, so that the gap cooling channel 104 between the stator and the rotor can be communicated with the radial annular cooling air outlet 102 to discharge cooled gas, and can be communicated with the axial cooling channel 105 of the radial bearing seat to guide cooling gas.
The thrust disc 13 is composed of a disc body 1301 and air guide blades 1302, is rotatably connected inside the cooling end cover 12, is not in contact with the inner wall of the cooling end cover 12, not only can actively supply air to and dissipate heat inside the blower through rotation, but also can enable cooling air entering the second axial cooling channel 107 to flow between the thrust disc 13 and the axial air bearing 11 to cool the axial air bearing 11.
Wherein, inner shell 7 is connected through the interference mode with shell 6, and stator 8 is fixed on the inner wall of inner shell 7 through the mode of interference, both easy to assemble, convenient dismantlement again, and fixed more firm, avoids rocking.
Wherein, a plurality of radial bearing seat axial cooling channels 105 and a plurality of first axial cooling channels 106 and second axial cooling channels 107 are communicated with each other through the inside of the cooling end cover 12 and are communicated with the inside of the housing 6, so that cooling gas flowing in from the first axial cooling channels 106 and the second axial cooling channels 107 can enter the inside of the radial bearing seat axial cooling channels 105 through the cooling end cover 12 and then flow into the inside of the housing 6, thereby forming a cooling gas air channel.
The working principle is as follows:
The rotor shaft 9 rotates under the drive of the stator 8 and drives the air compressing impeller 1 to rotate in the working medium air inlet 100, so that the working medium is driven to enter the working medium air inlet 100, the pressure is lifted by the air compressing impeller 1, and then the working medium is discharged from the working medium air outlet 101, so that the air blowing effect is realized;
In the air blowing process, the rotor shaft 9 drives the thrust disc 13 at the rear end to rotate, under the action of 1302, cooling air enters the cooling end cover 12 through the first axial cooling channel 106 and the second axial cooling channel 107, the cooling air cools the axial air bearing 11 through the second axial cooling channel 107, the cooling air entering the cooling end cover 12 enters the outer shell 6 through the radial bearing seat axial cooling channel 105, and flows through the plurality of axial ventilation grooves 103 and the plurality of inter-stator-rotor gap cooling channels 104 respectively, so that the inner shell 7, the stator 8 and the rotor shaft 9 are cooled, and finally, the cooling air is discharged through the plurality of radial annular cooling air outlets 102.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The self-cooling air suspension blower comprises an air compression impeller (1), a volute (2), an air compression end cover (3), a radial air bearing (4), an air compression end radial bearing seat (5), an outer shell (6), an inner shell (7), a stator (8), a rotor shaft (9), a cooling end radial bearing seat (10), an axial air bearing (11), a cooling end cover (12) and a thrust disc (13), and is characterized in that the front end of the outer shell (6) is fixedly connected with the air compression end radial bearing seat (5) through bolts, the front end of the air compression end radial bearing seat (5) is fixedly connected with the air compression end cover (3) through bolts, the center of the front end of the air compression end cover (3) is fixedly connected with a working medium air inlet (100), the outside of the working medium air inlet (100) is fixedly connected with the volute (2), the volute (2) is communicated with the inside of the working medium air inlet (100) and is positioned outside the front end of the air compression end cover (3), the upper end of the outer shell (6) is communicated with a working medium air outlet (101), the rear end of the cooling end radial bearing seat (10) is fixedly connected with the cooling end radial bearing seat (10) through bolts, and the rear end of the cooling end radial bearing seat (10) is fixedly connected with the cooling end cover (12) through bolts;
The inside stator (8) that is fixedly connected with through inner shell (7) of shell (6), stator (8) inside rotation is connected with rotor shaft (9), and both ends all rotate respectively through radial air bearing (4) around rotor shaft (9) and connect in the radial bearing frame of air compressing end (5) and cooling end (10) inside to run through air compressing end cover (3) front end outside and cooling end cover (12) rear end outside respectively, rotor shaft (9) front end fixedly connected with air compressing impeller (1), and air compressing impeller (1) are located inside working medium air inlet (100), rotor shaft (9) rear end is through lock nut fixedly connected with thrust disc (13), and thrust disc (13) are located inside cooling end cover (12) front end;
A plurality of radial annular cooling gas outlets (102) are formed in the intersection of the outer cylindrical wall of the outer shell (6) and the outer cylindrical wall of the front end, the radial annular cooling gas outlets (102) are communicated with the inner portion of the outer shell (6), a plurality of axial ventilation grooves (103) penetrating through the inner portion of the outer cylindrical wall of the inner shell (7) are formed in the inner portion of the outer cylindrical wall of the inner shell, a plurality of radial bearing seat axial cooling channels (105) are formed in the outer portion of the center of the rear end of the radial bearing seat (10), a plurality of first axial cooling channels (106) are formed in the outer portion of the center of the rear end of the cooling end cover (12), and a second axial cooling channel (107) is formed in the center of the cooling end cover (12).
2. A self-cooling air suspension blower as defined in claim 1 wherein: an axial air bearing (11) is arranged between the thrust disc (13) and the cooling end radial bearing seat (10) and between the thrust disc and the cooling end cover (12), and the two axial air bearings (11) are respectively fixed on the outer side of the center of the rear end of the cooling end radial bearing seat (10) and the outer side of the center of the front end of the cooling end cover (12).
3. A self-cooling air suspension blower as defined in claim 1 wherein: the stator (8) and the rotor shaft (9) are not contacted with each other, a gap cooling channel (104) between the stator and the rotor is formed, and the gap cooling channel is communicated with a gap between the stator (8) and the radial bearing seat (5) at the compression end and the radial bearing seat (10) at the cooling end.
4. A self-cooling air suspension blower as defined in claim 1 wherein: the thrust disc (13) consists of a disc body (1301) and air guide blades (1302), is rotatably connected inside the cooling end cover (12), and is not contacted with the inner wall of the cooling end cover (12).
5. A self-cooling air suspension blower as defined in claim 1 wherein: the inner shell (7) is connected with the outer shell (6) in an interference mode, and the stator (8) is fixed on the inner wall of the inner shell (7) in an interference mode.
6. A self-cooling air suspension blower as defined in claim 1 wherein: a plurality of the radial bearing seat axial cooling passages (105) are communicated with a plurality of first axial cooling passages (106) and second axial cooling passages (107) through the inside of the cooling end cover (12) and are communicated with the inside of the housing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322587202.8U CN220890593U (en) | 2023-09-22 | 2023-09-22 | Self-cooling air suspension blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322587202.8U CN220890593U (en) | 2023-09-22 | 2023-09-22 | Self-cooling air suspension blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890593U true CN220890593U (en) | 2024-05-03 |
Family
ID=90877642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322587202.8U Active CN220890593U (en) | 2023-09-22 | 2023-09-22 | Self-cooling air suspension blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890593U (en) |
-
2023
- 2023-09-22 CN CN202322587202.8U patent/CN220890593U/en active Active
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