CN111059148A - Axial magnetic suspension bearing, motor, compressor and air conditioner - Google Patents
Axial magnetic suspension bearing, motor, compressor and air conditioner Download PDFInfo
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- CN111059148A CN111059148A CN201911376600.7A CN201911376600A CN111059148A CN 111059148 A CN111059148 A CN 111059148A CN 201911376600 A CN201911376600 A CN 201911376600A CN 111059148 A CN111059148 A CN 111059148A
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- 239000000725 suspension Substances 0.000 title claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000010354 integration Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- 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
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- 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
- F16C32/047—Details of housings; Mounting of active magnetic bearings
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- 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
- F16C32/0474—Active magnetic bearings for rotary movement
- F16C32/0476—Active magnetic bearings for rotary movement with active support of one degree of freedom, e.g. axial magnetic bearings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- 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
- F16C2360/00—Engines or pumps
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- 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
- F16C2362/00—Apparatus for lighting or heating
- F16C2362/52—Compressors of refrigerators, e.g. air-conditioners
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- 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
- F16C2380/00—Electrical apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The application provides an axial magnetic suspension bearing, a motor, a compressor and an air conditioner. This axial magnetic suspension bearing includes preceding axial bearing iron core, back axial bearing iron core and footstep bearing, footstep bearing sets up in the front between axial bearing iron core and the back axial bearing iron core along the axial, be provided with electrically conductive first control coil and the first termination of connecting on the preceding axial bearing iron core, be provided with electrically conductive second control coil and the second termination of connecting on the back axial bearing iron core, axial magnetic suspension bearing still includes axial termination, first termination directly links with axial termination through first patch cord, second termination directly links with axial termination through the second patch cord. According to the axial magnetic suspension bearing, wiring integration of the front axial magnetic suspension bearing and the rear axial magnetic suspension bearing can be achieved, assembling materials are reduced, assembling difficulty is reduced, assembling procedures are simplified, and assembling efficiency is improved.
Description
Technical Field
The application relates to the technical field of compressors, in particular to an axial magnetic suspension bearing, a motor and a compressor.
Background
Generally, an active axial magnetic suspension bearing system comprises an axial magnetic suspension bearing, a thrust bearing, an axial displacement sensor, a controller system and the like, wherein the controller system supplies power to the axial magnetic suspension bearing according to a displacement signal detected by the axial displacement sensor to control the thrust bearing, and provides controllable electromagnetic force for the thrust bearing, so that axial suspension control is realized. Due to structural limitation or sealing and the like, the controller system cannot directly supply power to the magnetic suspension bearing and needs to be connected through an axial wiring device.
In the process of switching by adopting the axial wiring device, the wiring device of the front and rear axial magnetic suspension bearings is made of more materials, each assembly requires that two front axial switching female seats of the front axial wiring device are respectively matched with the axial switching male seat and the front axial switching male seat, two rear axial switching female seats of the rear axial wiring device are respectively matched with the axial switching male seat and the rear axial switching male seat, and the axial wiring device is matched with the axial wiring male seat, so that the requirement on the assembly materials is high; meanwhile, the two axial transfer male seats and the axial wiring male seat are both required to be manually welded on the axial circuit board, the whole assembly process is complex in process, the assembly difficulty is high, and the assembly efficiency is low.
Disclosure of Invention
Therefore, the technical problem to be solved by the application is to provide an axial magnetic suspension bearing, a motor, a compressor and an air conditioner, which can realize wiring integration of the front and rear axial magnetic suspension bearings, reduce assembling materials, reduce assembling difficulty, simplify assembling process and improve assembling efficiency.
In order to solve the problem, the application provides an axial magnetic suspension bearing, including preceding axial bearing iron core, back axial bearing iron core and footstep bearing, footstep bearing sets up between preceding axial bearing iron core and back axial bearing iron core along the axial, be provided with electrically conductive first control coil and the first termination who connects on the preceding axial bearing iron core, be provided with electrically conductive second control coil and the second termination who connects on the back axial bearing iron core, axial magnetic suspension bearing still includes axial termination, first termination directly links through first patch cord and axial termination, second termination directly links through second patch cord and axial termination.
Preferably, the axial magnetic suspension bearing further comprises a housing, and the front axial bearing core, the rear axial bearing core and the thrust bearing are all arranged in the housing.
Preferably, the axial wiring device is fixedly arranged on the outer periphery of the shell, the first patch cord penetrates through the shell to be directly connected with the axial wiring device, and the second patch cord extends out of the shell to be directly connected with the axial wiring device.
Preferably, the first wiring device includes a first switching circuit board, a first switching male socket and a first switching female socket, the first control coil is electrically connected to the first switching circuit board, the first switching male socket is fixed on the first switching circuit board, the first switching female socket is matched with the first switching male socket, and one end of the first switching wire is connected to the first switching female socket.
Preferably, the second wiring device includes a second switching circuit board, a second switching male socket and a second switching female socket, the second control coil is electrically connected to the second switching circuit board, the second switching male socket is fixed to the second switching circuit board, the second switching female socket is matched with the second switching male socket, and two ends of the second patch cord are connected to the second switching female socket.
Preferably, the axial wiring device is arranged at one end, close to the first wiring device, of the shell, a wire fixing clamp is fixedly arranged on the periphery of the shell, and the second patch cord is directly connected with the axial wiring device through the wire fixing clamp.
Preferably, the second patch cord comprises an axial section extending in the axial direction, the axial section being arranged on and supported by the wire retention clip.
Preferably, the wire fixing clamp is provided with an elastic clamping groove, the elastic clamping groove extends along the axial direction of the shell, and the axial section is clamped in the elastic clamping groove.
Preferably, the number of the wire fixing clamps is at least two, and the at least two wire fixing clamps are arranged at intervals along the axial direction of the shell; or, the number of the wire fixing clamps is one, and the wire fixing clamps are arranged at one end, close to the second wiring device, of the shell.
According to another aspect of the present application, there is provided an electric machine comprising an axial magnetic bearing, which is the axial magnetic bearing described above.
According to another aspect of the present application, there is provided a compressor comprising an axial magnetic bearing, which is the axial magnetic bearing described above.
According to another aspect of the present application, there is provided an air conditioner comprising an axial magnetic bearing, which is the axial magnetic bearing described above.
The application provides an axial magnetic suspension bearing, including preceding axial bearing iron core, back axial bearing iron core and footstep bearing, footstep bearing sets up in the front between axial bearing iron core and the back axial bearing iron core along the axial, be provided with electrically conductive first control coil and the first termination of connecting on the preceding axial bearing iron core, be provided with electrically conductive second control coil and the second termination of connecting on the back axial bearing iron core, axial magnetic suspension bearing still includes axial termination, first termination directly links with axial termination through first patch cord, second termination directly links with axial termination through the second patch cord. This axial magnetic suspension bearing's first control coil directly links through first termination and first patch cord and axial termination, second control coil directly links through second termination and second patch cord and axial termination, consequently need not to increase extra switching circuit board and patch cord, can realize integrating of patch cord, leave out integrated switching function, before realizing, back axial magnetic suspension bearing's wiring is integrated, conveniently supply power to two control coils, the assembly material has been reduced, the assembly degree of difficulty has been reduced, the assembly flow has been simplified, the assembly efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of an axial magnetic suspension bearing according to an embodiment of the present application;
fig. 2 is a schematic diagram of a wiring structure of an axial magnetic suspension bearing according to an embodiment of the present application.
The reference numerals are represented as:
1. a front axial bearing core; 2. a rear axial bearing core; 3. a first control coil; 4. a second control coil; 5. an axial wiring device; 6. a first transfer line; 7. a second patch cord; 8. a housing; 9. a first through circuit board; 10. a first transfer male base; 11. a first transition female seat; 12. a second adapting circuit board; 13. a second adapter male socket; 14. a second adapting female seat; 15. a wire fixing clamp; 16. an elastic clamping groove; 17. and a thrust bearing.
Detailed Description
Referring to fig. 1 and fig. 2 in combination, according to an embodiment of the present application, the axial magnetic suspension bearing includes a front axial bearing core 1, a rear axial bearing core 2 and a thrust bearing 17, the thrust bearing 17 is axially disposed between the front axial bearing core 1 and the rear axial bearing core 2, a first control coil 3 and a first wiring device which are electrically connected are disposed on the front axial bearing core 1, a second control coil 4 and a second wiring device which are electrically connected are disposed on the rear axial bearing core 2, the axial magnetic suspension bearing further includes an axial wiring device 5, the first wiring device is directly connected to the axial wiring device 5 through a first transfer line 6, and the second wiring device is directly connected to the axial wiring device 5 through a second transfer line 7.
This axial magnetic suspension bearing's first control coil 3 directly links through first termination and first patch cord 6 and axial termination 5, second control coil 4 directly links through second termination and second patch cord 7 and axial termination 5, consequently need not to increase extra switching circuit board and patch cord, can realize integrating of patch cord, leave out integrated switching function, before realizing, back axial magnetic suspension bearing's wiring is integrated, conveniently supply power to two control coils, assembly material has been reduced, the assembly degree of difficulty has been reduced, assembly process has been simplified, assembly efficiency has been improved.
The axial magnetic suspension bearing also comprises a shell 8, and a front axial bearing iron core 1, a rear axial bearing iron core 2 and a thrust bearing 17 are all arranged in the shell 8. Through setting up casing 8, can conveniently carry out preceding axial bearing iron core 1, back axial bearing iron core 2 and footstep bearing 17's installation fixed, also be convenient for carry out axial termination's 5 setting simultaneously.
In the present embodiment, the axial wiring device 5 is fixedly disposed on the outer peripheral side of the housing 8, the first patch cord 6 passes through the housing 8 and is directly connected with the axial wiring device 5, and the second patch cord 7 extends out of the housing 8 and is directly connected with the axial wiring device 5. Because the first patch cord 6 is directly bent to the side where the axial wiring device 5 is located after extending out of the shell 8, the second patch cord 7 is also directly bent to the side where the axial wiring device 5 is located before extending out of the shell 8, so that the first patch cord 6 and the second patch cord 7 can be connected to the same side of the axial wiring device 5, direct connection between the first wiring device and the axial wiring device 5 as well as between the second wiring device and the axial wiring device 5 becomes possible, direct connection between the first wiring device and the axial wiring device 5 as well as between the second wiring device and the axial wiring device is convenient to realize, integrated switching structures such as an intermediate switching circuit board and the like added for realizing switching can be omitted, the wiring structure of the axial magnetic suspension bearing is simplified, the wiring difficulty is reduced, and the wiring efficiency.
The first wiring device comprises a first switching circuit board 9, a first switching male seat 10 and a first switching female seat 11, the first control coil 3 is electrically connected to the first switching circuit board 9, the first switching male seat 10 is fixed to the first switching circuit board 9, the first switching female seat 11 is matched with the first switching male seat 10, and one end of the first switching wire 6 is connected to the first switching female seat 11. The first adapter male socket 10 is welded on the first adapter circuit board 9, and the first adapter female socket 11 is in insertion fit with the first adapter male socket 10.
The second wiring device comprises a second switching circuit board 12, a second switching male socket 13 and a second switching female socket 14, the second control coil 4 is electrically connected to the second switching circuit board 12, the second switching male socket 13 is fixed on the second switching circuit board 12, the second switching female socket 14 is matched with the second switching male socket 13, and two ends of the second switching wire 7 are connected to the second switching female socket 14. The second male adapter 13 is welded to the second adapter circuit board 12, and the second female adapter 14 is inserted into the second male adapter 13.
Through the cooperation of switching circuit board, public seat and female seat, can conveniently come out the circuit switching of control coil to realize being connected with axial termination 5 smoothly, thereby be convenient for realize the wiring and the control to the control coil of preceding, back magnetic suspension bearing, reduce structure complexity, reduce control complexity.
In this embodiment, since the first and second wiring devices are located on the same side of the axial wiring device 5, direct connection between the first and second wiring devices and the axial wiring device 5 can be conveniently achieved without passing through a switching structure such as a switching circuit board.
The axial wiring device 5 is arranged at one end, close to the first wiring device, of the shell 8, a wire fixing clamp 15 is fixedly arranged on the periphery of the shell 8, and the second patch cord 7 is directly connected with the axial wiring device 5 through the wire fixing clamp 15. Because the second termination is far away from axial termination 5, consequently can lead to the length of second patch cord 7 longer, it is longer at the unsettled distance of axial direction, cause the flagging of second patch cord 7 and lead to wiring structure's unstability easily, through setting up solidus clamp 15, can form the support in the middle easy deformation position of second patch cord 7, improve the support intensity of second patch cord 7, thereby improve assembly reliability and stability between second patch cord 7 and the axial termination 5.
The second patch cord 7 comprises an axial section extending in the axial direction, which is arranged on the cord fixation clamp 15 and is supported by the cord fixation clamp 15. The wire fixing clamp 15 can be provided with a groove, the second patch cord 7 can be arranged in the groove, the height of the bottom wall of the groove relative to the shell 8 is consistent with the height of the second patch cord 7 relative to the shell 8 at the position connected with the axial wiring device 5, so that the height of the second patch cord 7 relative to the shell 8 can be kept unchanged, the stability and reliability of the integral structure of the second patch cord 7 are guaranteed, and the stability and reliability of wiring assembly between the second wiring device and the axial wiring device 5 are guaranteed.
In this embodiment, the wire fixing clip 15 is provided with an elastic clamping groove 16, the elastic clamping groove 16 extends along the axial direction of the housing 8, and the axial section is clamped in the elastic clamping groove 16. This elasticity draw-in groove 16 can form better fixed spacing to second patch cord 7, after second patch cord 7 card goes into elasticity draw-in groove 16, can form spacing to second patch cord 7 through the elastic bulge, prevents effectively that second patch cord 7 from deviating from solidly pressing from both sides 15, improves second patch cord 7 mounting structure's on solidly pressing from both sides 15 stability and reliability.
In one embodiment, the number of the wire fixing clamps 15 is at least two, and the at least two wire fixing clamps 15 are arranged at intervals along the axial direction of the shell 8, so that the second patch cord 7 can be supported from multiple positions, and the structural stability of the second patch cord is further ensured.
The quantity of solidus clamp 15 is one, and solidus clamp 15 sets up the one end that is close to second termination at casing 8, because second patch cord 7 is being close to the stress of bending position department great relatively, forms the bending more easily in the use, consequently, sets up solidus clamp 15 in this position department, can make solidus clamp 15 form the support to the weakest position department of second patch cord 7, utilizes the solidus clamp 15 of less quantity to play more effective supporting role.
In the assembling process, the first wiring device is fixed on the front axial bearing iron core 1, the leading-out wire of the first control coil 3 is welded on the first switching circuit board 9 to form a front axial bearing assembly, similarly, the second wiring device is fixed on the rear axial bearing iron core 2, and the leading-out wire of the second control coil 4 is welded on the second switching circuit board 12 to form a rear axial bearing assembly.
During assembly, the front axial bearing assembly is firstly installed in the shell 8, then the front axial bearing assembly is matched with the first switching male seat 10 through the first switching female seat 11, and then the first switching wire 6 is connected with the axial wiring device 5, so that switching from the first control coil 3 to the axial wiring device 5 is realized. And then the thrust bearing 17 and the rear axial bearing assembly are assembled, the second switching female seat 14 is matched with the second switching male seat 13, and the second switching wire 7 is connected with the axial wiring device 5, so that the switching from the second control coil 4 to the axial wiring device 5 is realized. And finally, the axial wiring device 5 is matched with an external circuit, and the axial wiring device 5 supplies power to realize the wiring electrification of the front and rear axial bearings.
The axial magnetic suspension bearing wiring device realizes the integration and switching of wiring lines, reduces the assembly materials, reduces the assembly difficulty and improves the assembly efficiency; and is fixed by special solidus clamp 15, has improved the reliability of wiring structure assembly.
According to an embodiment of the application, the motor comprises an axial magnetic bearing, which is the axial magnetic bearing described above.
According to an embodiment of the application, the compressor comprises an axial magnetic bearing, which is the axial magnetic bearing described above.
According to an embodiment of the application, the air conditioner comprises an axial magnetic suspension bearing, and the axial magnetic suspension bearing is the axial magnetic suspension bearing.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (12)
1. An axial magnetic suspension bearing is characterized by comprising a front axial bearing iron core (1), a rear axial bearing iron core (2) and a thrust bearing (17), the thrust bearing (17) is axially arranged between the front axial bearing core (1) and the rear axial bearing core (2), the front axial bearing iron core (1) is provided with a first control coil (3) and a first wiring device which are in conductive connection, a second control coil (4) and a second wiring device which are in conductive connection are arranged on the rear axial bearing iron core (2), the axial magnetic suspension bearing also comprises an axial wiring device (5), the first wiring device is directly connected with the axial wiring device (5) through a first transfer wiring (6), the second connection device is directly connected with the axial connection device (5) through a second patch cord (7).
2. Axial magnetic bearing according to claim 1, characterized in that it further comprises a housing (8), the front axial bearing core (1), the rear axial bearing core (2) and the thrust bearing (17) being arranged in the housing (8).
3. The axial magnetic bearing as claimed in claim 2, characterized in that the axial connection device (5) is arranged fixedly on the outer circumference of the housing (8), the first switching line (6) passes through the housing (8) and is directly connected to the axial connection device (5), and the second switching line (7) extends out of the housing (8) and is directly connected to the axial connection device (5).
4. Axial magnetic suspension bearing according to claim 1, characterized in that the first connection device comprises a first adapter circuit board (9), a first adapter male socket (10) and a first adapter female socket (11), the first control coil (3) is electrically conductively connected to the first adapter circuit board (9), the first adapter male socket (10) is fixed to the first adapter circuit board (9), the first adapter female socket (11) is matched with the first adapter male socket (10), and one end of the first adapter wire (6) is connected to the first adapter female socket (11).
5. The axial magnetic suspension bearing according to claim 1, characterized in that the second connection device comprises a second adapter circuit board (12), a second adapter male socket (13) and a second adapter female socket (14), the second control coil (4) is electrically connected to the second adapter circuit board (12), the second adapter male socket (13) is fixed to the second adapter circuit board (12), the second adapter female socket (14) is matched with the second adapter male socket (13), and two ends of the second patch cord (7) are connected to the second adapter female socket (14).
6. The axial magnetic suspension bearing according to claim 2, characterized in that the axial connection device (5) is arranged at one end of the housing (8) close to the first connection device, a wire fixing clamp (15) is fixedly arranged on the periphery of the housing (8), and the second patch cord (7) is directly connected with the axial connection device (5) through the wire fixing clamp (15).
7. Axial magnetic bearing according to claim 6, characterised in that the second adapter wire (7) comprises an axially extending axial section which is arranged on the wire fixing clip (15) and is supported by the wire fixing clip (15).
8. Axial magnetic bearing according to claim 7, characterized in that the wire fixing clip (15) is provided with an elastic clip groove (16), the elastic clip groove (16) extends in the axial direction of the housing (8), and the axial section is clipped in the elastic clip groove (16).
9. The axial magnetic bearing according to claim 6, characterized in that the number of the wire-fixing clips (15) is at least two, at least two of the wire-fixing clips (15) being arranged at intervals in the axial direction of the housing (8); or the number of the wire fixing clamps (15) is one, and the wire fixing clamps (15) are arranged at one end of the shell (8) close to the second wiring device.
10. An electric machine comprising an axial magnetic bearing, characterized in that the axial magnetic bearing is an axial magnetic bearing according to any one of claims 1 to 9.
11. Compressor comprising axial magnetic bearings, characterized in that said axial magnetic bearings are axial magnetic bearings according to any one of claims 1 to 9.
12. An air conditioner comprising an axial magnetic bearing, characterized in that the axial magnetic bearing is the axial magnetic bearing of any one of claims 1 to 9.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201911376600.7A CN111059148A (en) | 2019-12-27 | 2019-12-27 | Axial magnetic suspension bearing, motor, compressor and air conditioner |
PCT/CN2020/109814 WO2021128878A1 (en) | 2019-12-27 | 2020-08-18 | Axial magnetic bearing, motor, compressor, and air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911376600.7A CN111059148A (en) | 2019-12-27 | 2019-12-27 | Axial magnetic suspension bearing, motor, compressor and air conditioner |
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CN111059148A true CN111059148A (en) | 2020-04-24 |
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CN201911376600.7A Pending CN111059148A (en) | 2019-12-27 | 2019-12-27 | Axial magnetic suspension bearing, motor, compressor and air conditioner |
Country Status (2)
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CN (1) | CN111059148A (en) |
WO (1) | WO2021128878A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021128878A1 (en) * | 2019-12-27 | 2021-07-01 | 珠海格力电器股份有限公司 | Axial magnetic bearing, motor, compressor, and air conditioner |
CN113644471A (en) * | 2021-08-03 | 2021-11-12 | 珠海格力电器股份有限公司 | Integrated wiring plug assembly, compressor and air conditioner |
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CN113644471A (en) * | 2021-08-03 | 2021-11-12 | 珠海格力电器股份有限公司 | Integrated wiring plug assembly, compressor and air conditioner |
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