CN109139692A - axial bearing, motor and air conditioner - Google Patents
axial bearing, motor and air conditioner Download PDFInfo
- Publication number
- CN109139692A CN109139692A CN201811174566.0A CN201811174566A CN109139692A CN 109139692 A CN109139692 A CN 109139692A CN 201811174566 A CN201811174566 A CN 201811174566A CN 109139692 A CN109139692 A CN 109139692A
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- Prior art keywords
- axial bearing
- stator
- supply channel
- air supply
- axial
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 229910002804 graphite Inorganic materials 0.000 abstract description 7
- 239000010439 graphite Substances 0.000 abstract description 7
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- F16C32/0402—Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting means
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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
- F16C32/0459—Details of the magnetic circuit
-
- 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
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0603—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion
- F16C32/0614—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion the gas being supplied under pressure, e.g. aerostatic 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
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0662—Details of hydrostatic bearings independent of fluid supply or direction of load
-
- 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
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0681—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load
- F16C32/0692—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load for axial load only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with magnetic bearings
-
- 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
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention provides an axial bearing, a motor and an air conditioner. The axial bearing comprises two axial bearing stators (1) which are oppositely arranged and a thrust disc (2) which is arranged between the two axial bearing stators (1), wherein an air supply channel (3) is arranged on each axial bearing stator (1), and an air outlet of the air supply channel (3) faces towards the thrust disc (2). According to the axial bearing provided by the invention, the problem that the thrust disc impacts the axial bearing stator to damage the axial bearing stator due to the fact that the protective graphite cannot effectively protect the axial bearing can be effectively solved.
Description
Technical field
The invention belongs to motor device technical fields, and in particular to a kind of axial bearing, motor and air conditioner.
Background technique
Magnetic suspension high speed motor electromagnetic bearing is made of 6 parts, transverse bearing stator, transverse bearing rotor, axial axis
Hold (including forward and backward axial bearing), thrust button, sensor and protection ball bearing.When motor is static, shaft falls in protection ball
On bearing；When motor operation, the rotating shaft position signal that sensor will test feeds back to bearing controller, and controller supplies radial axle
Hold corresponding electric current, the resultant force of electromagnetic force and gravity vibrates shaft back and forth in radial direction with the gap designed around axle center；Supply
The certain electric current of two axial bearings, acting on is a pair of contrary electromagnetic force equal in magnitude on thrust button, guarantees shaft
It is collided in axial not play, not with axial bearing.
Above-mentioned electromagnetic bearing has the following problems a little in operation:
1, when motor operation unstability is occurred by load shock and bearing controller, electromagnetic bearing coil current is excessive, line
Current density increase, the specific electric load increase for enclosing winding, cause coil temperature sharply to increase；Since Bearning mechanism is high-seal machine
Structure, and each parts clearance very little finally result in bearing coil temperature and increase and burn so the heat of coil heating cannot scatter away in time
It ruins, bearing arrangement failure, a whole set of motor unit can not work.In nominal situation operation, although the temperature of Bearning mechanism will not
Lead to burn-out of bearing, but higher temperature also will affect the service life of insulating materials in Bearning mechanism, influences bearing and motor
The long-term running reliability of component；
2, when motor operation unstability is occurred by load shock or bearing controller, shaft deviates design air gap and alters
Dynamic, the thrust button being fixed in shaft collides with axial bearing, leads to axial bearing failure, shaft bending, last motor
It is unable to operate normally.
Existing scheme is the increase graphite protection collision on the axial bearing in electromagnetic bearing mechanism, but big by bearing clearance
The axial height of small limitation, graphite is limited；When shaft play is larger, graphite can be worn very serious, cannot play protection
Effect, thrust button finally can directly hit axial bearing, lead to its damage, make Bearning mechanism failure, motor unit that can not work.
Summary of the invention
It therefore, can be effective the technical problem to be solved in the present invention is that providing a kind of axial bearing, motor and air conditioner
Effective protection can not be formed to axial bearing by solving protection graphite, and thrust button is caused to hit axial bearing stator asking to its damage
Topic.
To solve the above-mentioned problems, the present invention provides a kind of axial bearing, and the axial bearing being oppositely arranged including two is fixed
Son and the thrust button that is arranged between two axial bearing stators are provided with air supply channel on each axial bearing stator, supply
The gas outlet in gas channel is towards thrust button.
Preferably, axial bearing further includes gas flow controller, and gas flow controller is used to control the air-flow stream in air supply channel
Amount.
Preferably, gas flow controller independently controls the air flow rate in each axial bearing stator.
Preferably, the outlet side of air supply channel is additionally provided with throttle structure, and air-flow flows to thrust button through throttle structure.
Preferably, throttle structure includes the throttle orifice that the outlet side of air supply channel is arranged in.
Preferably, throttle structure includes the flow controller being fixed in air supply channel, and flow controller includes throttle orifice.
Preferably, the outlet side of throttle orifice is additionally provided with air cavity, and the section of air cavity is greater than the section of throttle orifice.
Preferably, on the cross section of axial bearing stator, the shape of air cavity is fan annular, rectangle, round or ellipse.
Preferably, air supply channel is multiple, and is uniformly distributed along the circumferential direction of axial bearing stator.
Preferably, the radial outside and/or radially inner side of axial bearing stator is arranged in air supply channel.
Preferably, when the radial outside of axial bearing stator is arranged in air supply channel, gas outlet is fixed towards axial bearing
The radially inner side inclination of son；And/or when the radially inner side of axial bearing stator is arranged in air supply channel, gas outlet is towards axis
It is tilted to the radial outside of bearing stator.
Preferably, the side of axial bearing stator towards thrust button offers mounting groove, is arranged with control in mounting groove and stops
The control coil of the axial position of push-plate.
Preferably, air supply channel is located at the radial outside and/or radially inner side of mounting groove.
According to another aspect of the present invention, a kind of motor, including mounting base, axial bearing and shaft, axial axis are provided
It holds as above-mentioned axial bearing, the axial bearing stator of axial bearing is fixed in mounting base, and the thrust button of axial bearing is axial
It is fixed in shaft.
In accordance with a further aspect of the present invention, a kind of air conditioner, including axial bearing are provided, which is above-mentioned
Axial bearing.
Axial bearing provided by the invention, the axial bearing stator being oppositely arranged including two and setting are in two axial directions
Thrust button between bearing stator, is provided with air supply channel on each axial bearing stator, and the gas outlet of air supply channel is towards stopping
Push-plate.The axial bearing during the work time, by way of being passed through air-flow into air supply channel, in axial bearing stator and stops
Gap location between push-plate forms one layer of lubrication air film with certain carrying and rigidity, is passed through the big of gas flow by adjusting
It is small, the adjusting of pressure size between air cavity and thrust button is completed, realizes main shaft in the adjusting of axial position, when motor operation is by negative
When unstability occurs in load impact, shaft deviates design air gap operation, and thrust button is maintained at front and back by the air film of structure formation
Among axial bearing stator, is not collided with axial bearing stator, keep the axial position of shaft to balance, save the guarantor in original structure
Graphite is protected, the component failure bring hidden danger is avoided, improves motor functional reliability.
Detailed description of the invention
Fig. 1 is the sectional structure chart of the axial bearing of the embodiment of the present invention；
Fig. 2 is the sectional structure chart of the axial bearing stator of the axial bearing of the embodiment of the present invention；
Fig. 3 is the perspective cross-sectional structure chart of the axial bearing stator of the axial bearing of the embodiment of the present invention.
Appended drawing reference indicates are as follows:
1, axial bearing stator；2, thrust button；3, air supply channel；4, throttle structure；5, air cavity；6, mounting groove；7, it controls
Coil；8, mounting base；9, shaft.
Specific embodiment
In conjunction with referring to shown in Fig. 1 to Fig. 3, according to an embodiment of the invention, axial bearing includes two axis being oppositely arranged
To bearing stator 1 and the thrust button being arranged between two axial bearing stators 12, it is provided on each axial bearing stator 1
Air supply channel 3, the gas outlet of air supply channel 3 is towards thrust button 2.
The axial bearing during the work time, by way of being passed through air-flow into air supply channel 3, in axial bearing stator
Gap location between 1 and thrust button 2 forms one layer of lubrication air film with certain carrying and rigidity, is passed through gas stream by adjusting
The size of amount completes the adjusting of pressure size between air cavity and thrust button 2, realizes main shaft in the adjusting of axial position, when motor is transported
When row unstability is occurred by load shock, shaft deviates design air gap operation, protects thrust button 2 by the air film that the structure is formed
It holds among front and back axial direction bearing stator 1, is not collided with axial bearing stator 1, keep the axial position balance of shaft 9, save
Protection graphite in original structure avoids the component failure bring hidden danger, improves motor functional reliability.
In the process of running since extraneous gas is passed through always Bearing inner, even if in thrust button 2 and axial bearing
When in this two working clearance lesser environment of stator 1, it is also able to maintain the temperature rise of very little, makes bearing high temperature rise that bearing be caused to burn
The problem of ruining is available to be avoided, and the service life of Bearning mechanism insulating materials is guaranteed, and it is reliable to improve unit longtime running
Property, while the power of heat producing losses is reduced, improve unit efficiency.
Preferably, axial bearing further includes gas flow controller, and gas flow controller is used to control the air-flow stream in air supply channel 3
Amount.Gas flow controller may include controller and flow control valve, and wherein the entrance with air supply channel 3 is arranged in flow control valve
On the air supply pipe of connection, the air-flow size of air supply pipe can be adjusted, controller is used for fixed according to thrust button 2 and two axial bearings
Axial spacing between son 1 adjusts the aperture of flow control valve, enables the aperture of flow control valve towards making thrust
The balanced direction of spacing between disk 2 and two axial bearing stators 1 is adjusted, so that air supply channel 3 is blown into gap institute shape
At air film thrust button 2 can be maintained to the centres of two axial bearing stators 1 always, do not occur with axial bearing stator 1
Collision keeps the axial position of shaft 9 to balance
Preferably, gas flow controller independently controls the air flow rate in each axial bearing stator 1.Due to gas flow optimized
Device is individually to control for the air flow rate supplied to each axial bearing stator 1, therefore can be according to thrust button 2 at two
Axial position between axial bearing stator 1 adjusts the flow in corresponding axial bearing stator 1, and then adjusts the axial bearing
Gas pressure between stator 1 and thrust button 2, so that thrust button 2 moves to two 1 middle positions of axial bearing stator again,
Keep the axial position balance of shaft 9.
Preferably, the outlet side of air supply channel 3 is additionally provided with throttle structure 4, and air-flow flows to thrust button 2 through throttle structure 4.
Throttle structure 4 can throttle to the air-flow for flowing to thrust button 2 from air supply channel 3, when compressed gas passes through throttle structure 4
When pressure reduction cause cooling effect, and air viscosity is extremely low, therefore can more efficiently in axial bearing stator 1 and only
Stable air film is formed between push-plate 2, and can further decrease the temperature between thrust button 2 and axial bearing stator 1, is dropped
The temperature rise of low axial bearing.
In the present embodiment, throttle structure 4 includes the throttle orifice that the outlet side of air supply channel 3 is arranged in.
In another embodiment not shown in the figure, throttle structure 4 can also include being fixed at air supply channel 3
Interior flow controller, flow controller include throttle orifice.
Preferably, the outlet side of throttle orifice is additionally provided with air cavity 5, and the section of air cavity 5 is greater than the section of throttle orifice.Gas supply is logical
Road 3, throttle orifice are connected to air cavity 5, after compressed gas is entered by air supply channel 3, carry out reducing pressure by regulating flow through throttle orifice, so
After enter in air cavity 5, volume reexpands, and in the process, air-flow needs to absorb heat, therefore can further decrease and air cavity 5
The air film temperature of the gap location of connection, and then reduce the temperature of axial bearing stator 1 and thrust button 2.
On the cross section of axial bearing stator 1, the shape of air cavity 5 is fan annular, rectangle, round or ellipse.It is preferred that
Ground, the shape of air cavity 5 are the strips such as fan annular or rectangle, and gas can be made quickly to shunt along circumferential direction, then along
Quickly distribution is to the gap of entire axial bearing stator 1 and thrust button 2 for the outlet of the air cavity 5 of strip, so that gas distribution is more
Add Quick uniform, protecting effect is more preferably.
Preferably, air supply channel 3 is multiple, and is uniformly distributed along the circumferential direction of axial bearing stator 1, can be simultaneously in axial direction
Multiple circumferential positions of bearing stator 1 carry out outlet, further increase gas distribution efficiency.The quantity of air supply channel 3 can be
Even number, or odd number needs circumferentially to be uniformly distributed using the center of axial bearing stator 1 as the center of circle.
The radial outside and/or radially inner side of axial bearing stator 1 is arranged in air supply channel 3.Specifically, air supply channel
3 can be provided only on the radial outside of axial bearing stator 1, can also be provided only on the radial outside of axial bearing stator 1, also
The radial outside and radially inner side of axial bearing stator 1 can be set simultaneously.When air supply channel 3 is arranged in axial bearing simultaneously
When the radial outside and radially inner side of stator 1, confession can be formed simultaneously in the radial outside and radially inner side of axial bearing stator 1
Gas channel, so that gas distribution is more uniform.Gas film behavior is quicker, and makes between axial bearing stator 1 and thrust button 2
The more balanced stabilization of distribution of force.
Preferably, when the radial outside of axial bearing stator 1 is arranged in air supply channel 3, gas outlet is towards axial bearing
The radially inner side of stator 1 tilts.
When the radially inner side of axial bearing stator 1 is arranged in air supply channel 3, gas outlet is towards axial bearing stator 1
Radial outside inclination.
By being obliquely installed gas outlet, enables to gas when flowing out from gas outlet, faster and more enter
Main mating area between axial bearing stator 1 and thrust button 2 forms lubrication air film in main mating area, and can be more
Add the gas for being effectively prevented from gas outlet outflow to flow away from the radial outside or radially inner side of axial bearing stator 1, improves pressure
The service efficiency of contracting gas.
Preferably, in the present embodiment, the side of axial bearing stator 1 towards thrust button 2 offers mounting groove 6, installation
The control coil 7 of the axial position of control thrust button 2 is arranged in slot 6.In the present embodiment, thrust button 2 is permeability magnetic material, is supplied
The main purpose that gas channel 3 supplies is that auxiliary selenoid bearing makes shaft 9 always in equilbrium position；Due to the air supply channel 3
Auxiliary, there are two power now in the axial direction for parts of bearings to keep machine shaft 9 in axial stabilization, and added power is
The pressure that gas generates；And front rotary shaft 9 axially stable power is only provided by the electromagnetic force of bearing, so increasing Aeroassisted
Afterwards, the electromagnetic force that axial bearing needs to arrive out can reduce.
After the electromagnetic force that bearing needs reduces, bearing performance can be effectively improved, and realizes that the following two kinds optimizes: 1, is same
One electromagnetic bearing, after reducing using electric current, the electromagnetic force exported at this time meets axial force demand, due to using electric current to be subtracted
Small, bearing heating amount reduces；2, the volume that can reduce the volume of axial coil bearing at this time also reduces together, can be used with
The same electric current before, equally exports identical electromagnetic force, guarantees that the axial direction of shaft is stablized.Both the above optimizes so that electromagnetic axis
The volume held the rated current that can reduce in use process, reduce Bearning mechanism, proposes the reliability of Bearning mechanism entirety
It rises.
Preferably, air supply channel 3 is located at the radial outside and/or radially inner side of mounting groove 6.When air-flow is from mounting groove 6
When radial outside and/or radially inner side flow out, mounting groove 6 can be flowed through, so that the heat of the control coil 7 in mounting groove 6 is taken away,
Reduce the power of heat producing losses, improve unit efficiency, and can effectively solve the problem that when coil temperature sharply increases heat can not and
When scatter away and lead to coil temperature raising the problem of burning, improve the stability and reliability when axial bearing operation.
According to an embodiment of the invention, motor includes mounting base 8, axial bearing and shaft 9, axial bearing is above-mentioned axis
To bearing, the axial bearing stator 1 of axial bearing is fixed in mounting base 8, and the thrust button 2 of axial bearing is axially fixed in shaft
On 9.
According to an embodiment of the invention, air conditioner includes axial bearing, which is above-mentioned axial bearing.
By using axial bearing of the invention, following effect may be implemented:
1, the present invention reaches the mixing output of magnetic suspension bearing pneumoelectric, reducing electromagnetic bearing makes by increasing air supply channel
With rated current in the process, reduce the volume of axial bearing, the reliability of axial bearing entirety is made to get a promotion.
2, the present invention cools down axial bearing in unit operation, reduces heat producing losses by increasing air supply channel
Power, improve unit efficiency.
3, the present invention by increase air supply channel, when there are abnormal conditions in motor operation, pneumatic structure can to avoid turn
The collision of thrust button and axial bearing stator on axis, avoids collision caused bearing damage, guarantees the reliability of motor operation.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (15)
1. a kind of axial bearing, which is characterized in that the axial bearing stator (1) being oppositely arranged including two and setting are at two
Thrust button (2) between the axial bearing stator (1) is provided with air supply channel on each axial bearing stator (1)
(3), the gas outlet of the air supply channel (3) is towards the thrust button (2).
2. axial bearing according to claim 1, which is characterized in that the axial bearing further includes gas flow controller, institute
Gas flow controller is stated for controlling the air flow rate in the air supply channel (3).
3. axial bearing according to claim 2, which is characterized in that the gas flow controller independently controls each described
Air flow rate in axial bearing stator (1).
4. axial bearing according to claim 1, which is characterized in that the outlet side of the air supply channel (3) is additionally provided with
Throttle structure (4), air-flow flow to the thrust button (2) through the throttle structure (4).
5. axial bearing according to claim 4, which is characterized in that the throttle structure (4) includes being arranged in the confession
The throttle orifice of the outlet side in gas channel (3).
6. axial bearing according to claim 5, which is characterized in that the throttle structure (4) includes being fixed at institute
The flow controller in air supply channel (3) is stated, the flow controller includes throttle orifice.
7. axial bearing according to claim 5 or 6, which is characterized in that the outlet side of the throttle orifice is additionally provided with gas
Chamber (5), the section of the air cavity (5) are greater than the section of the throttle orifice.
8. axial bearing according to claim 7, which is characterized in that on the cross section of the axial bearing stator (1),
The shape of the air cavity (5) is fan annular, rectangle, round or ellipse.
9. axial bearing according to claim 1, which is characterized in that the air supply channel (3) is multiple, and along the axis
It is uniformly distributed to the circumferential direction of bearing stator (1).
10. axial bearing according to any one of claim 1 to 6, which is characterized in that air supply channel (3) setting
In the radial outside and/or radially inner side of the axial bearing stator (1).
11. axial bearing according to claim 10, which is characterized in that when the air supply channel (3) are arranged in the axis
To bearing stator (1) radial outside when, the gas outlet towards the axial bearing stator (1) radially inner side tilt；With/
Or, the gas outlet is described in when the air supply channel (3) are arranged in the radially inner side of the axial bearing stator (1)
The radial outside of axial bearing stator (1) tilts.
12. according to claim 1 to axial bearing described in any one of 6,8,9,11, which is characterized in that the axial bearing
The side of stator (1) towards the thrust button (2) offers mounting groove (6), and it is described only that control is arranged in the mounting groove (6)
The control coil (7) of the axial position of push-plate (2).
13. axial bearing according to claim 12, which is characterized in that the air supply channel (3) is located at the mounting groove
(6) radial outside and/or radially inner side.
14. a kind of motor, which is characterized in that including mounting base (8), axial bearing and shaft (9), the axial bearing is right
It is required that axial bearing described in any one of 1 to 13, the axial bearing stator (1) of the axial bearing is fixed on the mounting base
(8) on, the thrust button (2) of the axial bearing is axially fixed on the shaft (9).
15. a kind of air conditioner, including axial bearing, which is characterized in that the axial bearing is any one of claims 1 to 13
The axial bearing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174566.0A CN109139692A (en) | 2018-10-09 | 2018-10-09 | axial bearing, motor and air conditioner |
| PCT/CN2019/070669 WO2020073551A1 (en) | 2018-10-09 | 2019-01-07 | Axial bearing, motor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174566.0A CN109139692A (en) | 2018-10-09 | 2018-10-09 | axial bearing, motor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109139692A true CN109139692A (en) | 2019-01-04 |
Family
ID=64810589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811174566.0A Withdrawn CN109139692A (en) | 2018-10-09 | 2018-10-09 | axial bearing, motor and air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109139692A (en) |
| WO (1) | WO2020073551A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073551A1 (en) * | 2018-10-09 | 2020-04-16 | 珠海格力电器股份有限公司 | Axial bearing, motor and air conditioner |
| CN113700740A (en) * | 2021-08-25 | 2021-11-26 | 珠海格力电器股份有限公司 | Protection device and method for axial bearing of motor system and motor system |
| CN114992242A (en) * | 2022-06-16 | 2022-09-02 | 中国工程物理研究院机械制造工艺研究所 | Anti-disturbance air bearing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203847561U (en) * | 2014-06-05 | 2014-09-24 | 浙江机电职业技术学院 | Hydrostatic gas-lubricated bearing for vertical helium turbo expander |
| CN106015032A (en) * | 2016-06-28 | 2016-10-12 | 杭州万辰机电科技有限公司 | Centrifugal compressor |
| CN106321634A (en) * | 2016-11-18 | 2017-01-11 | 广州市昊志机电股份有限公司 | Composite air flotation shafting structure |
| CN107100930A (en) * | 2017-04-21 | 2017-08-29 | 燕山大学 | A kind of electromagnetism static pressure dual suspension thrust bearing |
| CN108488233A (en) * | 2018-03-27 | 2018-09-04 | 燕山大学 | A kind of magnetism dual suspension cod with porous media |
| CN208935162U (en) * | 2018-10-09 | 2019-06-04 | 珠海格力电器股份有限公司 | Axial bearing, motor and air conditioner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101286626B1 (en) * | 2005-08-25 | 2013-07-15 | 엔티엔 가부시키가이샤 | Turbine unit for refrigerating/cooling air cycle |
| CN105299046B (en) * | 2015-11-20 | 2017-11-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Axial magnetic suspension bearing centring means, axial magnetic suspension bearing and assembly method |
| CN206036034U (en) * | 2016-08-29 | 2017-03-22 | 解璟昊 | Magnetic bearing |
| CN108050157B (en) * | 2017-11-23 | 2020-08-14 | 燕山大学 | Magnetic-liquid double-suspension bearing breaking type conical bearing |
| CN109139692A (en) * | 2018-10-09 | 2019-01-04 | 珠海格力电器股份有限公司 | axial bearing, motor and air conditioner |
-
2018
- 2018-10-09 CN CN201811174566.0A patent/CN109139692A/en not_active Withdrawn
-
2019
- 2019-01-07 WO PCT/CN2019/070669 patent/WO2020073551A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203847561U (en) * | 2014-06-05 | 2014-09-24 | 浙江机电职业技术学院 | Hydrostatic gas-lubricated bearing for vertical helium turbo expander |
| CN106015032A (en) * | 2016-06-28 | 2016-10-12 | 杭州万辰机电科技有限公司 | Centrifugal compressor |
| CN106321634A (en) * | 2016-11-18 | 2017-01-11 | 广州市昊志机电股份有限公司 | Composite air flotation shafting structure |
| CN107100930A (en) * | 2017-04-21 | 2017-08-29 | 燕山大学 | A kind of electromagnetism static pressure dual suspension thrust bearing |
| CN108488233A (en) * | 2018-03-27 | 2018-09-04 | 燕山大学 | A kind of magnetism dual suspension cod with porous media |
| CN208935162U (en) * | 2018-10-09 | 2019-06-04 | 珠海格力电器股份有限公司 | Axial bearing, motor and air conditioner |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073551A1 (en) * | 2018-10-09 | 2020-04-16 | 珠海格力电器股份有限公司 | Axial bearing, motor and air conditioner |
| CN113700740A (en) * | 2021-08-25 | 2021-11-26 | 珠海格力电器股份有限公司 | Protection device and method for axial bearing of motor system and motor system |
| CN114992242A (en) * | 2022-06-16 | 2022-09-02 | 中国工程物理研究院机械制造工艺研究所 | Anti-disturbance air bearing |
| CN114992242B (en) * | 2022-06-16 | 2023-06-20 | 中国工程物理研究院机械制造工艺研究所 | Anti-disturbance air bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020073551A1 (en) | 2020-04-16 |
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