CN206035859U - High -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor - Google Patents
High -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor Download PDFInfo
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- CN206035859U CN206035859U CN201621068871.8U CN201621068871U CN206035859U CN 206035859 U CN206035859 U CN 206035859U CN 201621068871 U CN201621068871 U CN 201621068871U CN 206035859 U CN206035859 U CN 206035859U
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- magnetic suspension
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- moving load
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Abstract
The utility model discloses a high -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor belongs to the compressor field. Comprising a housin, be equipped with air inlet, gas outlet on the casing, install the impeller of calming the anger in the casing, casing fixed connection motor connection flange still includes the high -speed asynchronous machine of magnetic suspension bearing, the high -speed asynchronous machine of magnetic suspension bearing includes the casing, install in the motor stator of casing, with motor stator complex electric motor rotor axle and with the magnetic suspension journal bearing of electric motor rotor shaft fit, casing and motor connection flange fixed connection, the electric motor rotor axle and the impeller fixed connection that calms the anger, motor connection flange fixed connection diffuser, be fixed with the supplementary antifriction bearing who is used for with the electric motor rotor shaft fit on the diffuser. It can be realized centrifugal compressor's high rotational speed and not have oil completely, and prolong magnetic suspension journal bearing's life -span.
Description
Technical field
The utility model belongs to compressor field, is related to a kind of magnetic suspension bearing moving load with high speed and directly expels core type calm the anger
Machine.
Background technology
Using impeller high speed rotation come the high-speed centrifugal compressor of compressed gas be widely used in it is military, civilian each
Industry, including the important industry such as aviation, ship, nuclear energy, petrochemical industry, electric power, sewage disposal, pharmacy, food, high-speed centrifugal is calmed the anger
Machine belongs to large-scale high power applications, and its efficiency determines the energy consumption level of whole industry, improves the efficiency meaning weight of Large-scale machine set
Greatly；Additionally, some industries are not allow for oily presence, this is accomplished by the unit of complete oil-free；High-speed centrifugal compressor turn
All at nearly ten thousand revs/min, what is had is also up to tens of thousands of revs/min to speed, and the synchronous rotational speed under conventional asynchronous machine power frequency only has 3,000
Rev/min, conventional method is that improving rotating speed, but the whole efficiency of gear-box is not high by step-up gear, not only power consumption, consumption
Can, in addition it is also necessary to many auxiliary equipments, easily cause the oily pollution of environment.
Utility model content
The purpose of this utility model is exactly to solve the above problems, there is provided a kind of magnetic suspension bearing moving load with high speed is straight
Centrifugal-flow compressor is driven, it can realize the complete oil free of compressor, and extend the life-span of magnetic suspension journal bearing.
The utility model can be achieved through the following technical solutions：A kind of magnetic suspension bearing moving load with high speed directly expels core type
Compressor, including housing, the housing is provided with air inlet, gas outlet, is provided with compression impellor in housing, and the housing is fixed
Connection motor connection flange, also including magnetic suspension bearing moving load with high speed, the magnetic suspension bearing moving load with high speed includes
Rotor axis of electric and the magnetic coordinated with rotor axis of electric that casing, the motor stator for being installed on casing and motor stator coordinate
Suspension journal bearing, the casing couple flange with motor and are fixedly connected, and the rotor axis of electric is fixedly connected with compression impellor,
The motor connection flange is fixedly connected diffuser, is fixed with and rolls for the auxiliary coordinated with rotor axis of electric on the diffuser
Dynamic bearing.
Preferably, the sealing gland for coordinating with rotor axis of electric is fixed with the diffuser.
Preferably, the sealing gland adopts contactless labyrinth seal.
Preferably, the air inlet is provided with import silencing filter.
Preferably, the magnetic suspension journal bearing includes coupling near motor the magnetic suspension of flange side positioned at motor stator
Radial direction fore bearing, couple bearing after the magnetic suspension radially of flange side away from motor positioned at motor stator.
Preferably, the magnetic suspension bearing moving load with high speed also includes coupling flange positioned at rotor axis of electric away from motor
The magnetic thrust bearing of one end.
Compared with prior art, the utility model has following beneficial effect：
1st, the utility model directly drives centrifugal-flow compressor, magnetic suspension shaft using magnetic suspension bearing moving load with high speed
The high speed demand that moving load with high speed fully meets centrifugal-flow compressor is held, step-up gear is so may dispense with, is realized
High-speed centrifugal compressor complete oil free, also improves efficiency；Additionally, be provided with diffuser coordinating with rotor axis of electric
Auxiliary rolling bearing, in rotor axis of electric start-stop and operation process, auxiliary rolling bearing can reduce magnetic suspension radial axle
The load held, so that extend the life-span of magnetic suspension journal bearing；
What the 2nd, the utility model was arranged on diffuser adopts contactless comb with the sealing gland that rotor axis of electric coordinates
Sealing, not only can avoid the grazing with rotor axis of electric, can also reduce the leakage of gas；
3rd, the utility model is provided with import silencing filter in air inlet, making an uproar when reducing utility model works
Sound.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is partial enlarged drawing at A in Fig. 1.
Reference
1 is import silencing filter, and 2 is impeller cover, and 3 is inner spiral casing, and 4 is outer spiral casing, and 5 is compression impellor, and 6 is motor
Connection flange, 7 is magnetic suspension radial direction fore bearing, and 8 is rotor axis of electric, and 9 is motor stator, and 10 is bearing after magnetic suspension radially,
11 is magnetic thrust bearing, and 12 is casing, and 13 are auxiliary rolling bearing, and 14 is sealing gland, and 15 is diffuser, and 16 is locking screw
Bolt, 17 is impeller buss.
Specific embodiment
Below in conjunction with the accompanying drawings embodiment of the present utility model is described in further detail.
Referring to Fig. 1-Fig. 2, magnetic suspension bearing moving load with high speed directly drives a kind of embodiment of centrifugal-flow compressor, including shell
Body, in the present embodiment, impeller cover 2 that housing includes being fixedly connected sequentially by bolt, inner spiral casing 3, outer spiral casing 4, the leaf
Wheel case 2 is provided with air inlet, and inner spiral casing 3, outer spiral casing 4 are provided with gas outlet, are provided with compression impellor 5, outward in impeller cover 2
Spiral case 4 is coupled flange 6 by bolt and is fixedly connected with motor, also including magnetic suspension bearing moving load with high speed, magnetic suspension bearing
Moving load with high speed include casing 12, the motor stator 9 for being installed on casing 12, and motor stator 9 coordinate rotor axis of electric 8 with
And the magnetic suspension journal bearing coordinated with rotor axis of electric 8, casing 12 is coupled flange 6 by bolt and is fixedly connected with motor, electric
Machine connection flange 6 is fixedly connected with casing 12 by bolt, and rotor axis of electric 8 passes through impeller buss 17 and lock with compression impellor 5
Tight bolt 16 is fixedly connected, and the motor connection flange 6 is bolted to connection diffuser 15, passes through on the diffuser 15
Bolt is fixed with the auxiliary rolling bearing 13 for coordinating with rotor axis of electric 8.
The sealing gland 14 for coordinating with rotor axis of electric 8 is bolted on the diffuser 15.The sealing gland 14
Using contactless labyrinth seal.
The air inlet is provided with import silencing filter 1.
The magnetic suspension journal bearing includes the magnetic suspension radial direction for coupling 6 side of flange positioned at motor stator 9 near motor
Fore bearing 7, couple bearing 10 after the magnetic suspension radially of flange 6 side positioned at motor stator 9 away from motor, magnetic suspension bearing is at a high speed
Asynchronous machine also includes the magnetic thrust bearing 11 for coupling 6 one end of flange positioned at rotor axis of electric 8 away from motor.Magnetic suspension footpath
The radial position of 10 controlled motor armature spindle 8 of bearing to after fore bearing 7 and magnetic suspension radially, magnetic thrust bearing 11 control electricity
The axial location of machine rotor axle 8.
Claims (6)
1. a kind of magnetic suspension bearing moving load with high speed directly drives centrifugal-flow compressor, and including housing, the housing is provided with air inlet
Mouth, gas outlet, are provided with compression impellor (5) in housing, it is characterised in that：The housing is fixedly connected motor connection flange (6),
Also include magnetic suspension bearing moving load with high speed, the magnetic suspension bearing moving load with high speed includes casing (12), is installed on machine
The motor stator (9) of shell (12), and motor stator (9) rotor axis of electric (8) that coordinates and coordinate with rotor axis of electric (8)
Magnetic suspension journal bearing, casing (12) are coupled flange (6) and are fixedly connected with motor, rotor axis of electric (8) with calm the anger
Impeller (5) is fixedly connected, and motor connection flange (6) is fixedly connected diffuser (15), is fixed with diffuser (15)
For the auxiliary rolling bearing (13) coordinated with rotor axis of electric (8).
2. magnetic suspension bearing moving load with high speed according to claim 1 directly drives centrifugal-flow compressor, it is characterised in that：Institute
State the sealing gland (14) being fixed with diffuser (15) for coordinating with rotor axis of electric (8).
3. magnetic suspension bearing moving load with high speed according to claim 2 directly drives centrifugal-flow compressor, it is characterised in that：Institute
Sealing gland (14) is stated using contactless labyrinth seal.
4. the magnetic suspension bearing moving load with high speed according to any one of claims 1 to 3 directly drives centrifugal-flow compressor, and which is special
Levy and be：The air inlet is provided with import silencing filter (1).
5. magnetic suspension bearing moving load with high speed according to claim 4 directly drives centrifugal-flow compressor, it is characterised in that：Institute
Stating magnetic suspension journal bearing includes the magnetic suspension radial direction fore bearing positioned at motor stator (9) near motor connection flange (6) side
(7), couple bearing (10) after the magnetic suspension radially of flange (6) side positioned at motor stator (9) away from motor.
6. magnetic suspension bearing moving load with high speed according to claim 5 directly drives centrifugal-flow compressor, it is characterised in that：Institute
Stating magnetic suspension bearing moving load with high speed also includes the magnetcisuspension positioned at rotor axis of electric (8) away from motor connection flange (6) one end
Floating thrust bearing (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068871.8U CN206035859U (en) | 2016-09-21 | 2016-09-21 | High -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068871.8U CN206035859U (en) | 2016-09-21 | 2016-09-21 | High -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035859U true CN206035859U (en) | 2017-03-22 |
Family
ID=58296045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621068871.8U Active CN206035859U (en) | 2016-09-21 | 2016-09-21 | High -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor |
Country Status (1)
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| CN (1) | CN206035859U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210011A (en) * | 2018-10-20 | 2019-01-15 | 广东艾高装备科技有限公司 | A kind of low noise magnetic levitation centrifugal air compressor |
| CN109268282A (en) * | 2018-09-30 | 2019-01-25 | 武汉格瑞拓机械有限公司 | A kind of integral type centrifugal compressor |
| CN109788721A (en) * | 2019-03-16 | 2019-05-21 | 山东华东风机有限公司 | High-speed magnetic levitation air blast Electrical Control original part cooling system |
| US10666113B2 (en) | 2017-03-24 | 2020-05-26 | Johnson Controls Technology Company | Magnetic bearing motor compressor |
| CN113342079A (en) * | 2021-06-11 | 2021-09-03 | 滁州学院 | Variable-rotating-speed switching disturbance suppression method of magnetic suspension bearing time-lag system for flywheel energy storage |
| CN116131563A (en) * | 2023-01-31 | 2023-05-16 | 张勇 | Ultrahigh-speed permanent magnet magnetic suspension motor resisting unilateral shaft thrust and design method |
-
2016
- 2016-09-21 CN CN201621068871.8U patent/CN206035859U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10666113B2 (en) | 2017-03-24 | 2020-05-26 | Johnson Controls Technology Company | Magnetic bearing motor compressor |
| TWI703267B (en) * | 2017-03-24 | 2020-09-01 | 美商江森自控技術公司 | Induction motor for a chiller assembly and vapor compression system thereof |
| US11757328B2 (en) | 2017-03-24 | 2023-09-12 | Johnson Controls Tyco IP Holdings LLP | Magnetic bearing motor compressor |
| CN109268282A (en) * | 2018-09-30 | 2019-01-25 | 武汉格瑞拓机械有限公司 | A kind of integral type centrifugal compressor |
| CN109210011A (en) * | 2018-10-20 | 2019-01-15 | 广东艾高装备科技有限公司 | A kind of low noise magnetic levitation centrifugal air compressor |
| CN109788721A (en) * | 2019-03-16 | 2019-05-21 | 山东华东风机有限公司 | High-speed magnetic levitation air blast Electrical Control original part cooling system |
| CN109788721B (en) * | 2019-03-16 | 2020-02-28 | 山东华东风机有限公司 | Electric control element heat dissipation system of high-speed magnetic suspension blower |
| CN113342079A (en) * | 2021-06-11 | 2021-09-03 | 滁州学院 | Variable-rotating-speed switching disturbance suppression method of magnetic suspension bearing time-lag system for flywheel energy storage |
| CN113342079B (en) * | 2021-06-11 | 2022-07-12 | 滁州学院 | Variable-rotating-speed switching disturbance suppression method for time-lag system of magnetic suspension bearing for flywheel energy storage |
| CN116131563A (en) * | 2023-01-31 | 2023-05-16 | 张勇 | Ultrahigh-speed permanent magnet magnetic suspension motor resisting unilateral shaft thrust and design method |
| CN116131563B (en) * | 2023-01-31 | 2024-04-02 | 张勇 | Ultrahigh-speed permanent magnet magnetic suspension motor resisting unilateral shaft thrust and design method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |