CN107842552B - Method for adjusting coaxiality of magnetic suspension device - Google Patents
Method for adjusting coaxiality of magnetic suspension device Download PDFInfo
- Publication number
- CN107842552B CN107842552B CN201710789284.0A CN201710789284A CN107842552B CN 107842552 B CN107842552 B CN 107842552B CN 201710789284 A CN201710789284 A CN 201710789284A CN 107842552 B CN107842552 B CN 107842552B
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- Prior art keywords
- main shaft
- magnetic suspension
- suspension bearing
- axis
- magnetic
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- 239000000725 suspension Substances 0.000 title claims abstract description 113
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005339 levitation Methods 0.000 claims description 29
- 238000012360 testing method Methods 0.000 claims description 7
- 238000011897 real-time detection Methods 0.000 claims description 6
- 241001416181 Axis axis Species 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0444—Details of devices to control the actuation of the electromagnets
- F16C32/0451—Details of controllers, i.e. the units determining the power to be supplied, e.g. comparing elements, feedback arrangements with P.I.D. control
- F16C32/0453—Details of controllers, i.e. the units determining the power to be supplied, e.g. comparing elements, feedback arrangements with P.I.D. control for controlling two axes, i.e. combined control of x-axis and y-axis
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention provides a method for adjusting the coaxiality of a magnetic suspension device, which comprises the following steps: s100, detecting a gap value between the main shaft and the magnetic suspension bearing, and adjusting the position of the main shaft according to a detection result to enable the main shaft and the magnetic suspension bearing to be coaxially arranged; s200, moving the main shaft to the limit position along the radial direction, and detecting the deviation value of the axis of the main shaft and the axis of the magnetic suspension bearing; s300, determining the axis deviation of the magnetic bearing and the component according to the deviation value, entering S400 if the deviation value is not equal to zero, and entering S500 if the deviation value is equal to zero; s400, adjusting the position of the assembly according to the axis deviation value of the magnetic bearing and the assembly determined in the step S300, and returning to the step S100; s500, fixing the assembly to enable the assembly to be positioned opposite to the magnetic suspension bearing. The high coaxiality of the assembly and the magnetic suspension bearing can be guaranteed, and the phenomenon that the magnetic suspension device is unstable in operation or the spindle is blocked is avoided.
Description
Technical field
The present invention relates to family's electro-technical field, in particular to a kind of method of adjustment of magnetic levitation system concentricity.
Background technique
With the increasingly raising of science and technology being constantly progressive with productivity level, magnetic levitation technology has been widely used
In field of household appliances.
Magnetic levitation system at present further includes being set in master in addition to the magnetic suspension bearing for including main shaft and being set on main shaft
Other assemblies on axis, such as the Pneumatic assembly in compressor.In the installation process of magnetic levitation system, be easy to appear component with
Magnetic suspension bearing out-of-alignment phenomenon occurs, and then leads to magnetic levitation system fluctuation of service or the stuck phenomenon of main shaft occur to go out
It is existing.
Summary of the invention
The main purpose of the present invention is to provide a kind of methods of adjustment of magnetic levitation system concentricity, can guarantee component
With the high-axiality of magnetic suspension bearing, and then avoid magnetic levitation system fluctuation of service or the stuck phenomenon of main shaft occur occurring.
One aspect of the present invention provides a kind of method of adjustment of magnetic levitation system concentricity, and the magnetic levitation system includes:
Main shaft, magnetic suspension bearing and component, the magnetic suspension bearing and the component are set on the main shaft, the component it is interior
Diameter be less than the magnetic suspension bearing internal diameter or the component internal diameter be greater than or equal to magnetic suspension bearing internal diameter, and
In the radial direction along the main shaft, the inner hole of the inner hole of the component and the magnetic suspension bearing is staggered,
The method of adjustment comprising steps of
S100 detects the gap width of the main shaft Yu the magnetic suspension bearing, and adjusts the main shaft by testing result
Position, be coaxially disposed the main shaft and the magnetic suspension bearing；
The main shaft is moved radially extreme position by S200, detects the axis and the magnetic suspension bearing of the main shaft
Axis deviation value；The extreme position is that the main shaft can be with the inner wall and/or the component of the magnetic suspension bearing
The tangent position of inner wall；
S300 determines the misalignment of axe of the magnetic suspension bearing Yu the component according to the deviation value, if deviation is not
S400 is entered equal to zero, enters S500 if deviation is equal to zero；
S400 adjusts the component according to the misalignment of axe value of the determining magnetic suspension bearing and the component in S300
Position, and return step S100；
S500 fixes the component, keeps it relatively fixed with the magnetic suspension bearing.
More preferably, it is located in the plane perpendicular to the main shaft axial direction, there is horizontally disposed X-axis；
S200 includes after the main shaft is moved to extreme position on the left of X axis, detecting axis and the institute of the main shaft
The deviation value for stating the axis of magnetic suspension bearing is X1, after the main shaft is moved to extreme position on the right side of X axis, described in detection
The deviation value of the axis of the axis of main shaft and the magnetic suspension bearing is X2；
In S300, the deviation includes deviation Δ X along the x axis, wherein ∣/2 Δ X=∣ X1-X2.
More preferably, it is located in the plane perpendicular to the main shaft axial direction, there is the Y-axis being vertically arranged；
S200 includes moving up the main shaft to extreme position along Y-axis, detect the axis of the main shaft with it is described
The deviation value of the axis of magnetic suspension bearing is Y1, and the main shaft is moved down along Y-axis to extreme position, the main shaft is detected
Axis and the magnetic suspension bearing axis deviation value be Y2；
In S300, the deviation includes deviation Δ Y along the y axis, wherein ∣/2 Δ Y=∣ Y1-Y2.
More preferably, position sensor is set on the magnetic suspension bearing；
It include: the gap by main shaft and the magnetic suspension bearing described in the position sensor real-time detection in S100
Value；
It include: the axis and the magnetic suspension bearing by main shaft described in the position sensor real-time detection in S200
The deviation value of axis.
More preferably, the position sensor is concordant with the inner hole of the magnetic suspension bearing.
More preferably, the quantity of the position sensor is two, on the radial section along the magnetic suspension bearing, two
The line of the axis of the position sensor and the magnetic suspension bearing forms 90 degree of angles.
More preferably, the position sensor is current vortex sensor.
More preferably, the position sensor is electrically connected by controller with the magnetic suspension bearing；
It include: the gap width of the main shaft and the magnetic suspension bearing that the position sensor will test in S100,
And the gap width is sent to the controller, the controller controls the magnetic suspension bearing to the master according to the gap width
Axis applies electromagnetic force, to adjust the concentricity of the main shaft and the magnetic suspension bearing.
More preferably, include: that the controller controls the magnetic suspension bearing to main shaft application electromagnetic force in S200, make
The main shaft moves radially, and when the main axle moving to extreme position, the controller controls the magnetic suspension bearing and stops
Only apply electromagnetic force to the main shaft.
More preferably, the quantity of the magnetic suspension bearing is two.
The method of adjustment of the magnetic levitation system concentricity of offer of the invention is radially moved the main shaft using S200
Dynamic extreme position, detects the deviation value of the axis of the main shaft and the axis of the magnetic suspension bearing, S300, and according to described inclined
Technical solution from the misalignment of axe that value determines the magnetic suspension bearing and the component, can guarantee component and magnetic suspension bearing
High-axiality, and then avoid magnetic levitation system fluctuation of service or the stuck phenomenon of main shaft occur occurring.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the method for adjustment of magnetic levitation system concentricity provided by the invention；
Fig. 2 is the structural schematic diagram of magnetic levitation system；
Fig. 3 is that the main shaft of Fig. 2 is in the schematic diagram of coaxial state with magnetic suspension bearing；
Fig. 4 is that main shaft is deviated to the left along X-axis to the schematic diagram of extreme position in Fig. 2；
Fig. 5 is that main shaft is deviated to the right along X-axis to the schematic diagram of extreme position in Fig. 2；
Fig. 6 is the schematic diagram that main shaft deviates to extreme position in Y-axis in Fig. 2；
Fig. 7 is the schematic diagram that main shaft deviates to extreme position under Y-axis in Fig. 2；
Fig. 8 is the setting schematic diagram of position sensor；
In figure: 1, main shaft；2, magnetic suspension bearing；3, component；4, position sensor.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
A kind of method of adjustment of magnetic levitation system concentricity, as shown in Fig. 2, magnetic levitation system includes: main shaft 1, magnetic suspension
Bearing 2 and component 3, magnetic suspension bearing 2 and component 3 are set on main shaft 1, and the internal diameter of component 1 is less than the interior of magnetic suspension bearing 2
The internal diameter of diameter or component 3 is greater than or equal to the internal diameter of magnetic suspension bearing 2, and the inner hole of component 3 and magnetic suspension bearing 2 is interior
Projection intersection of the hole on the plane perpendicular to 1 axis of main shaft, it should be noted that the internal diameter when component 3 is greater than magnetic suspension bearing
2 internal diameter, and and along main shaft 1, in the radial direction, the inner hole of component 3 and the inner hole of magnetic suspension bearing 2 are not handed over mutually
Mistake does not need the concentricity of adjustment component 3 and magnetic suspension bearing 2 then.In actual operation, the quantity of magnetic suspension bearing 2 can be with
It is two.
As shown in Figure 1, the method for adjustment comprising steps of
S100 detects the gap width of main shaft 1 and magnetic suspension bearing 2, and the position of main shaft 1 is adjusted by testing result, makes
Main shaft 1 and magnetic suspension bearing 2 are coaxially disposed；Even if the location status between main shaft 1 and magnetic suspension bearing 2 is as shown in Figure 3.
Main shaft 1 is moved radially extreme position, detects the deviation value of the axis of main shaft 1 and the axis of magnetic suspension bearing 2 by S200；This
In described extreme position refer to that main shaft 1 is moved radially to main shaft 1 and the inner wall of magnetic suspension bearing 2 and/or the inner wall of component 3
Tangent position, main shaft 1 can not continue to move at this time.S300 determines magnetic suspension bearing 2 and component 3 according to the deviation value
Misalignment of axe enters S400 if deviation is not equal to zero, if deviation, which is equal to zero, enters S500.S400, according to S300
The position of middle determining magnetic suspension bearing 2 and the misalignment of axe value adjustment component 3 of component 3, and return step S100；Wherein adjustment group
The position of part 3 can be carried out by way of the opposite direction tapping that tools deviate to component 3 such as hammering into shape with glue.S500 consolidates component 3
It is fixed, make itself and 2 relative positioning of magnetic suspension bearing.Such as magnetic levitation system includes that shell at this time can be by component 3 and magnetic suspension bearing 2
It is each attached on object, has realized between the two relatively fixed.Using such technical solution, it can guarantee component and magnetcisuspension
The high-axiality that floating axle is held, and then avoid magnetic levitation system fluctuation of service or the stuck phenomenon appearance of main shaft occur.
Specifically, it is located in the plane perpendicular to 1 axial direction of main shaft, there is horizontally disposed X-axis.S200 includes as schemed
Shown in 4, after main shaft 1 is moved to extreme position on the left of X axis, the axis of main shaft 1 and the axis of magnetic suspension bearing 2 are detected
Deviation value be X1, as shown in Figure 5, after main shaft 1 is moved to extreme position on the right side of the X axis, detect the axis of main shaft 1 with
The deviation value of the axis of magnetic suspension bearing 2 is X2.In S300, the deviation includes deviation Δ X along the x axis, wherein
∣/2 Δ X=∣ X1-X2.It is capable of detecting when the deviation of the axis in the axis of magnetic suspension bearing 2 along the x axis Yu component 3 in this way
Value.
More preferably, it is located in the plane perpendicular to 1 axial direction of main shaft, there is the Y-axis being vertically arranged.S200 includes as schemed
Shown in 6, main shaft 1 is moved up along Y-axis to extreme position, the axis of the axis and magnetic suspension bearing 2 of detection main shaft 1
Deviation value is Y1, and as shown in Figure 7, main shaft 1 is moved down along Y-axis to extreme position, detects the axis and magnetcisuspension of main shaft 1
The deviation value that floating axle holds 2 axis is Y2.In S300, the deviation includes deviation Δ Y along the y axis, wherein Δ Y
∣/2=∣ Y1-Y2.It is capable of detecting when the deviation value of the axis in the axis of magnetic suspension bearing 2 along the y axis Yu component 3 in this way.
It specifically, include: to pass through position in S100 as shown in figure 8, position sensor 4 is arranged on magnetic suspension bearing 2
The gap width of sensor 4 real-time detection main shaft 1 and magnetic suspension bearing 2；It include: by 4 real-time detection of position sensor in S200
The deviation value of the axis of the axis and magnetic suspension bearing 2 of main shaft 1.It can be improved detection efficiency in this way, and guarantee detection accuracy.Tool
Body, position sensor 4 is current vortex sensor, can will test precision using current vortex sensor and be accurate to 1 μm, therefore energy
Detection accuracy enough is further increased, and then guarantees the high-axiality between magnetic suspension bearing 2 and component 3.Wherein, position sensing
Device 4 is concordant with the inner hole of magnetic suspension bearing 2, makes directly position of the detection main shaft 1 apart from itself of position sensor 4, just can obtain
Its location information between 2 inner wall of magnetic suspension bearing out.
Further, the quantity of position sensor 4 is two, on the radial section along magnetic suspension bearing 2, two positions
The line of the axis of sensor 4 and magnetic suspension bearing 2 forms 90 degree of angles.It in actual operation, can be directly straight by X-axis and Y-axis
The straight line being set as where two position sensors 4 is connect, to facilitate this four numerical value to X1, X2, Y1, Y2 to detect.
Specifically, position sensor 4 is electrically connected by controller (not shown go out) with magnetic suspension bearing 2, includes: in S100
The gap width of main shaft and magnetic suspension bearing that position sensor will test, and the gap width is sent to controller, controller
Magnetic suspension bearing 2 is controlled according to the gap width and applies electromagnetic force to main shaft 1, to adjust the coaxial of main shaft 1 and magnetic suspension bearing 2
Degree.Wherein controller controls magnetic suspension bearing 2 to the application electromagnetic force of main shaft 1, is not inventive point of the invention, but a kind of existing
There is technology, therefore and will not be described here in detail to its working principle.
Further, include: that controller controls magnetic suspension bearing 2 to the application electromagnetic force of main shaft 1 in S200, make 1 edge of main shaft
It moves radially, when main shaft 1 is moved to extreme position, controller control magnetic suspension bearing 2 stops applying electromagnetic force to main shaft 1.
It should be noted that position sensor 4 detects that main shaft 1 no longer moves at this time when main shaft 1 is moved to extreme position, it can be by the letter
Breath is sent to controller, and the internal processes of controller can directly judge that main shaft is at this time to move to extreme position, and control magnetic
Suspension bearing 2 stops applying electromagnetic force to main shaft 1, and the judgement and control process are not inventive points of the invention, but a kind of
The prior art, therefore its principle is no longer described in detail herein.
The above description is only an embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (10)
1. a kind of method of adjustment of magnetic levitation system concentricity, the magnetic levitation system includes: main shaft (1), magnetic suspension bearing (2)
With component (3), the magnetic suspension bearing (2) and the component (3) are set on the main shaft (1), the component (3) it is interior
Diameter is less than the internal diameter of the magnetic suspension bearing (2)；Or the internal diameter of the component (3) is greater than or equal to the interior of magnetic suspension bearing (2)
The inner hole of the inner hole and the magnetic suspension bearing (2) of diameter and the component (3) is perpendicular to the flat of the main shaft (1) axis
Projection intersection on face, it is characterised in that:
Comprising steps of
S100 detects the gap width of the main shaft (1) Yu the magnetic suspension bearing (2), and adjusts the master by testing result
The position of axis (1) is coaxially disposed the main shaft (1) and the magnetic suspension bearing (2)；
The main shaft (1) is moved radially extreme position by S200, detects the axis and the magnetic suspension shaft of the main shaft (1)
Hold the deviation value of the axis of (2)；The extreme position be the main shaft (1) can with the inner wall of the magnetic suspension bearing (2) and/
Or the tangent position of inner wall of the component (3)；
S300, and determine according to the deviation value misalignment of axe of the magnetic suspension bearing (2) Yu the component (3), if deviation
Value enters S400 not equal to zero, enters S500 if deviation is equal to zero；
S400 adjusts the component according to the misalignment of axe value for determining the magnetic suspension bearing (2) and the component (3) in S300
(3) position, and return step S100；
S500, the component (3) are fixed, make itself and the magnetic suspension bearing (2) relative positioning.
2. the method for adjustment of magnetic levitation system concentricity according to claim 1, it is characterised in that:
It is located in the plane perpendicular to the main shaft (1) axial direction, there is horizontally disposed X-axis；
S200 include detected after the main shaft (1) is moved to extreme position on the left of the X axis axis of the main shaft (1) with
The deviation value of the axis of the magnetic suspension bearing (2) is X1, after the main shaft (1) is moved to extreme position on the right side of X axis,
The deviation value for detecting the axis of the main shaft (1) and the axis of the magnetic suspension bearing (2) is X2；
In S300, the deviation includes deviation Δ X along the x axis, wherein ∣/2 Δ X=∣ X1-X2.
3. the method for adjustment of magnetic levitation system concentricity according to claim 1, it is characterised in that:
It is located in the plane perpendicular to the main shaft (1) axial direction, there is the Y-axis being vertically arranged；
S200 includes moving up the main shaft (1) to extreme position along Y-axis, detects axis and the institute of the main shaft (1)
The deviation value for stating the axis of magnetic suspension bearing (2) is Y1, and the main shaft (1) is moved down along Y-axis to extreme position, is detected
The deviation value of the axis of the axis and magnetic suspension bearing (2) of the main shaft (1) is Y2；
In S300, the deviation includes deviation Δ Y along the y axis, wherein ∣/2 Δ Y=∣ Y1-Y2.
4. according to claim 1 to the method for adjustment of magnetic levitation system concentricity described in 3 any one, it is characterised in that:
Position sensor (4) are set on the magnetic suspension bearing (2)；
It include: by main shaft (1) described in the position sensor (4) real-time detection and the magnetic suspension bearing (2) in S100
Gap width；
It include: the axis and the magnetic suspension bearing by main shaft (1) described in the position sensor (4) real-time detection in S200
(2) deviation value of axis.
5. the method for adjustment of magnetic levitation system concentricity according to claim 4, it is characterised in that:
The position sensor (4) is concordant with the inner hole of the magnetic suspension bearing (2).
6. the method for adjustment of magnetic levitation system concentricity according to claim 4, it is characterised in that:
The quantity of the position sensor (4) is two, on the radial section along the magnetic suspension bearing (2), described in two
The line of position sensor (4) and the axis of the magnetic suspension bearing (2) forms 90 degree of angles.
7. the method for adjustment of magnetic levitation system concentricity according to claim 4, it is characterised in that:
The position sensor (4) is current vortex sensor.
8. the method for adjustment of magnetic levitation system concentricity according to claim 4, it is characterised in that:
The position sensor (4) is electrically connected by controller with the magnetic suspension bearing (2)；
It include: between the position sensor (4) main shaft (1) that will test and the magnetic suspension bearing (2) in S100
Gap value, and the gap width is sent to the controller, the controller controls the magnetic suspension bearing (2) according to the gap width
Apply electromagnetic force to the main shaft (1), to adjust the concentricity of the main shaft (1) and the magnetic suspension bearing (2).
9. the method for adjustment of magnetic levitation system concentricity according to claim 8, it is characterised in that:
Include: that the controller controls magnetic suspension bearing (2) Xiang Suoshu main shaft (1) the application electromagnetic force in S200, makes described
Main shaft (1) moves radially, and when the main shaft (1) is moved to extreme position, the controller controls the magnetic suspension bearing
(2) stop applying electromagnetic force to the main shaft (1).
10. according to claim 1 to the method for adjustment of magnetic levitation system concentricity described in 3 any one, it is characterised in that:
The quantity of the magnetic suspension bearing (2) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710789284.0A CN107842552B (en) | 2017-09-05 | 2017-09-05 | Method for adjusting coaxiality of magnetic suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710789284.0A CN107842552B (en) | 2017-09-05 | 2017-09-05 | Method for adjusting coaxiality of magnetic suspension device |
Publications (2)
| Publication Number | Publication Date |
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| CN107842552A CN107842552A (en) | 2018-03-27 |
| CN107842552B true CN107842552B (en) | 2019-08-27 |
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ID=61683302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710789284.0A Active CN107842552B (en) | 2017-09-05 | 2017-09-05 | Method for adjusting coaxiality of magnetic suspension device |
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| CN (1) | CN107842552B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955596A (en) * | 2018-08-13 | 2018-12-07 | 珠海格力电器股份有限公司 | Bearing axis position monitoring method and device and control device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1392210A (en) * | 1971-10-26 | 1975-04-30 | Dornier Gmbh | Contactless rotor assembly |
| JP2000257586A (en) * | 1999-03-08 | 2000-09-19 | Koyo Seiko Co Ltd | Turbo molecular pump |
| CN102425556A (en) * | 2011-11-11 | 2012-04-25 | 北京中科科仪技术发展有限责任公司 | Method for obtaining radial suspension centers of rotor of magnetic molecular pump |
| CN103607067A (en) * | 2013-10-30 | 2014-02-26 | 南京邮电大学 | Magnetic-suspension flywheel energy-storage cell used for electric automobile |
| CN104533945A (en) * | 2015-01-05 | 2015-04-22 | 山东大学 | Structure for achieving five-freedom-degree suspension of rotor through axial mixed magnetic bearings |
| CN105650117A (en) * | 2016-03-31 | 2016-06-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Magnetic bearing component and compressor |
-
2017
- 2017-09-05 CN CN201710789284.0A patent/CN107842552B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1392210A (en) * | 1971-10-26 | 1975-04-30 | Dornier Gmbh | Contactless rotor assembly |
| JP2000257586A (en) * | 1999-03-08 | 2000-09-19 | Koyo Seiko Co Ltd | Turbo molecular pump |
| CN102425556A (en) * | 2011-11-11 | 2012-04-25 | 北京中科科仪技术发展有限责任公司 | Method for obtaining radial suspension centers of rotor of magnetic molecular pump |
| CN103607067A (en) * | 2013-10-30 | 2014-02-26 | 南京邮电大学 | Magnetic-suspension flywheel energy-storage cell used for electric automobile |
| CN104533945A (en) * | 2015-01-05 | 2015-04-22 | 山东大学 | Structure for achieving five-freedom-degree suspension of rotor through axial mixed magnetic bearings |
| CN105650117A (en) * | 2016-03-31 | 2016-06-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Magnetic bearing component and compressor |
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| CN107842552A (en) | 2018-03-27 |
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