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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- inlet hole
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Abstract
本实用新型公开了一种新型空气悬浮鼓风机，包括离心压缩机、电机、轴流风机；所述离心压缩机包括整流罩、入口导叶、叶轮和蜗壳；轴流风机包括叶轮和机匣；所述电机包括电机转子、电机定子和机壳；所述离心压缩机的蜗壳和轴流风机的机匣分别固定在机壳的两端；所述离心压缩机的叶轮和轴流风机的叶轮分别与电机转子的两端直连；所述电机转子的两端分别安装有一级径向轴承和二级径向轴承，所述电机转子靠近离心压缩机的一侧安装有推力轴承；所述机壳的两端分别开设有第一冷却进气孔和第二冷却进气孔，所述第一冷却进气孔和第二冷却进气孔沿机壳的周向分布设置。本申请具有提高压缩机效率，改善整体冷却效果，提高系统稳定性，延长使用寿命的优点。
The utility model discloses a novel air suspension blower, 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 includes a motor rotor, a motor stator and a casing; the volute of the centrifugal compressor and the casing of the axial flow fan are respectively fixed at both ends of the casing; the impeller of the centrifugal compressor and the impeller of the axial flow fan are respectively They are respectively directly connected to both ends of the motor rotor; both ends of the motor rotor are respectively installed with a first-level radial bearing and a second-level radial bearing, and a thrust bearing is installed on the side of the motor rotor close to the centrifugal compressor; The two ends of the casing are respectively provided with a first cooling air inlet hole and a second cooling air inlet hole, and the first cooling air inlet hole and the second cooling air inlet hole are distributed along the circumferential direction of the casing. The present application has the advantages of improving compressor efficiency, improving overall cooling effect, improving system stability and prolonging 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)
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 |
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| Publication Number | Publication Date |
|---|---|
| CN215949903U true CN215949903U (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122487165.4U Active CN215949903U (en) | 2021-10-15 | 2021-10-15 | Novel air suspension air-blower |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837969A (en) * | 2022-05-07 | 2022-08-02 | 冠有科技集团有限公司 | Pneumatic cooling fan for compressor |
| CN115163527A (en) * | 2022-07-29 | 2022-10-11 | 上海茂控机电设备有限公司 | Full-system intelligent fan |
| CN118871678A (en) * | 2022-03-30 | 2024-10-29 | 大金工业株式会社 | Compressors and refrigeration equipment |
-
2021
- 2021-10-15 CN CN202122487165.4U patent/CN215949903U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118871678A (en) * | 2022-03-30 | 2024-10-29 | 大金工业株式会社 | Compressors and refrigeration equipment |
| CN114837969A (en) * | 2022-05-07 | 2022-08-02 | 冠有科技集团有限公司 | Pneumatic cooling fan for compressor |
| CN115163527A (en) * | 2022-07-29 | 2022-10-11 | 上海茂控机电设备有限公司 | Full-system intelligent fan |
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