CN215949903U - Novel air suspension air-blower - Google Patents
Novel air suspension air-blower Download PDFInfo
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- CN215949903U CN215949903U CN202122487165.4U CN202122487165U CN215949903U CN 215949903 U CN215949903 U CN 215949903U CN 202122487165 U CN202122487165 U CN 202122487165U CN 215949903 U CN215949903 U CN 215949903U
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- air inlet
- cooling air
- centrifugal compressor
- motor
- impeller
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Abstract
The utility model discloses a novel air suspension blower, which comprises a centrifugal compressor, a motor and an axial flow fan, wherein the centrifugal compressor is connected with the motor; the centrifugal compressor comprises a fairing, an inlet guide vane, an impeller and a volute; the axial flow fan comprises an impeller and a casing; the motor comprises a motor rotor, a motor stator and a shell; the volute of the centrifugal compressor and the casing of the axial flow fan are respectively fixed at two ends of the casing; the impeller of the centrifugal compressor and the impeller of the axial flow fan are respectively and directly connected with two ends of the motor rotor; a first-stage radial bearing and a second-stage radial bearing are respectively arranged at two ends of the motor rotor, and a thrust bearing is arranged at one side of the motor rotor close to the centrifugal compressor; the two ends of the machine shell are respectively provided with a first cooling air inlet and a second cooling air inlet, and the first cooling air inlet and the second cooling air inlet are distributed along the circumferential direction of the machine shell. The compressor cooling system has the advantages of improving the efficiency of the compressor, improving the overall cooling effect, improving the stability of the system and prolonging the service life.
Description
Technical Field
The utility model relates to the technical field of air blowers, in particular to a novel air suspension air blower.
Background
The air suspension blower is widely applied in various industries due to the advantages of high efficiency, energy conservation, environmental protection and the like, more and more applications are mature particularly in the aspect of sewage treatment, the motor of the blower used at present has high power, the heat productivity of a high-speed motor is increased, the heat dissipation is difficult, and the performance and the service life of the motor are directly influenced. In order to ensure the service life and the performance of the motor, a reasonable cooling mode and a reasonable cooling structure are required. In addition, the blower core machine is arranged inside the case, the airflow at the inlet of the compressor is influenced by the case body and is disordered, so that the efficiency of the compressor is reduced.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will solve provides one kind and improves compressor efficiency, improves whole cooling effect, improves system stability, increase of service life's novel air suspension air-blower.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a novel air suspension blower comprises a centrifugal compressor, a motor and an axial flow fan;
the centrifugal compressor comprises a fairing, an inlet guide vane, an impeller and a volute;
the axial flow fan comprises an impeller and a casing;
the motor comprises a motor rotor, a motor stator and a shell;
the volute of the centrifugal compressor and the casing of the axial flow fan are respectively fixed at two ends of the casing;
the impeller of the centrifugal compressor and the impeller of the axial flow fan are respectively and directly connected with two ends of the motor rotor;
a first-stage radial bearing and a second-stage radial bearing are respectively arranged at two ends of the motor rotor, and a thrust bearing is arranged at one side of the motor rotor close to the centrifugal compressor;
the two ends of the machine shell are respectively provided with a first cooling air inlet and a second cooling air inlet, and the first cooling air inlet and the second cooling air inlet are distributed along the circumferential direction of the machine shell.
Wherein, first cooling inlet port and second cooling inlet port are provided with a plurality of rows respectively.
Wherein the size of the first cooling air inlet hole is larger than that of the second cooling air inlet hole.
The first cooling air inlet hole and the second cooling air inlet hole are waist-shaped holes.
And the first-stage radial bearing and the second-stage radial bearing are both radial air bearings.
To sum up, this novel air suspension air-blower improves the compressor entry air current condition, improves impeller efficiency through installing the entry stator additional at the centrifugal compressor entrance. In addition, the axial flow fan is adopted to improve the flow of cooling gas, and the aim of fully cooling the motor stator, the rotor and the air bearing is fulfilled by matching with the kidney-shaped cooling air inlet hole, so that the stability of the air suspension blower is improved, and the service life is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a novel air suspension blower according to the present invention, wherein arrows represent the flow direction of air flow.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1, a novel air suspension blower comprises a centrifugal compressor 3, a motor and an axial flow fan 8;
the centrifugal compressor comprises a fairing 1, an inlet guide vane 2, an impeller and a volute;
the axial flow fan comprises an impeller and a casing;
the motor comprises a motor rotor 11, a motor stator 6 and a shell 5;
the volute of the centrifugal compressor and the casing of the axial flow fan are respectively fixed at two ends of the casing and are integrally installed;
the impeller of the centrifugal compressor and the impeller of the axial flow fan are respectively and directly connected with two ends of a motor rotor, and the compression impeller is driven to rotate and pressurize through the high-speed rotation of the motor and the axial flow fan is used for air exhaust and cooling;
a first-stage radial bearing 10 and a second-stage radial bearing 12 are respectively arranged at two ends of the motor rotor, and a thrust bearing 9 is arranged at one side of the motor rotor close to the centrifugal compressor;
and a first cooling air inlet 4 and a second cooling air inlet 7 are respectively formed at two ends of the machine shell, and the first cooling air inlet and the second cooling air inlet are distributed along the circumferential direction of the machine shell.
Wherein, first cooling inlet port and second cooling inlet port are provided with a plurality of rows respectively.
Wherein the size of the first cooling air inlet hole is larger than that of the second cooling air inlet hole.
The first cooling air inlet hole and the second cooling air inlet hole are waist-shaped holes.
And the first-stage radial bearing and the second-stage radial bearing are both radial air bearings.
Specifically, the first cooling air inlet hole is arranged corresponding to the first-stage radial bearing, and the second cooling air inlet hole is arranged corresponding to the second radial bearing.
The principle is as follows:
the air flow is rectified by the inlet guide vane 2 and enters the centrifugal compressor 3, and the compressed air is supplied to the outside for use. In order to fully cool the motor and the radial air bearing, a plurality of rows of waist-shaped first cooling air inlet holes 4 and second cooling air inlet holes 7 are formed in a shell of the motor, and in order to ensure that cooling air flow at each position is uniformly fed, the first cooling air inlet holes 4 are larger than the second cooling air inlet holes 7, after the thrust bearing 9 and the first-stage radial bearing 10 are cooled by air entering from the first cooling air inlet holes 4, the air flows through a motor stator and a motor rotor, after the rotor and the stator are fully cooled, the air is converged with air entering from the second cooling air inlet holes 7 and cooling the second-stage radial bearing 12, then enters the axial flow fan 8, and finally is discharged by the axial flow fan 8.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (5)
1. A novel air suspension blower is characterized by comprising a centrifugal compressor, a motor and an axial flow fan;
the centrifugal compressor comprises a fairing, an inlet guide vane, an impeller and a volute;
the axial flow fan comprises an impeller and a casing;
the motor comprises a motor rotor, a motor stator and a shell;
the volute of the centrifugal compressor and the casing of the axial flow fan are respectively fixed at two ends of the casing;
the impeller of the centrifugal compressor and the impeller of the axial flow fan are respectively and directly connected with two ends of the motor rotor;
a first-stage radial bearing and a second-stage radial bearing are respectively arranged at two ends of the motor rotor, and a thrust bearing is arranged at one side of the motor rotor close to the centrifugal compressor;
the two ends of the machine shell are respectively provided with a first cooling air inlet and a second cooling air inlet, and the first cooling air inlet and the second cooling air inlet are distributed along the circumferential direction of the machine shell.
2. The novel air suspension blower as claimed in claim 1, wherein the first cooling air inlet hole and the second cooling air inlet hole are respectively provided with a plurality of rows.
3. The novel air levitation blower of claim 1, wherein the size of the first cooling air inlet aperture is larger than the size of the second cooling air inlet aperture.
4. The novel air suspension blower as claimed in claim 1, wherein the first cooling air inlet hole and the second cooling air inlet hole are both kidney-shaped holes.
5. The novel air-suspending blower as claimed in claim 1, wherein the primary and secondary radial bearings are radial air bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122487165.4U CN215949903U (en) | 2021-10-15 | 2021-10-15 | Novel air suspension air-blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122487165.4U CN215949903U (en) | 2021-10-15 | 2021-10-15 | Novel air suspension air-blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215949903U true CN215949903U (en) | 2022-03-04 |
Family
ID=80412868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122487165.4U Active CN215949903U (en) | 2021-10-15 | 2021-10-15 | Novel air suspension air-blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215949903U (en) |
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2021
- 2021-10-15 CN CN202122487165.4U patent/CN215949903U/en active Active
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