CN205895877U - Magnetcisuspension floating compressor - Google Patents
Magnetcisuspension floating compressor Download PDFInfo
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- CN205895877U CN205895877U CN201620773982.2U CN201620773982U CN205895877U CN 205895877 U CN205895877 U CN 205895877U CN 201620773982 U CN201620773982 U CN 201620773982U CN 205895877 U CN205895877 U CN 205895877U
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- magnet
- bent axle
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- compressor
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Abstract
The utility model provides a magnetcisuspension floating compressor, it includes bent axle (1) and last flange (2) the inside of bent axle (1) with go up partial be equipped with first magnet (4) of flange (2) phase -match upward be provided with on flange (2) second magnet (5), first magnet (4) and the same sex magnetic pole of opposite face for repelling each other of second magnet (5), wherein first magnet (4) set up in the inside middle position of bent axle (1), and do not extend the outer peripheral face of bent axle (1). Through the utility model discloses prevent effectively to result in the magnet easily to take place the circumstances about coming off at the compressor -running in -process owing to the effect of centrifugal force, can also effectively make magnetic force distribute evenly, make friction and collision maximum possible ground not take place to effective, the reliable operation of compressor magnetic suspension moving has been guaranteed.
Description
Technical field
The utility model belongs to Compressor Technology field and in particular to a kind of electromagnetic levitation type compressor.
Background technology
Exist in compressor arrangement of the prior art and be susceptible between bent axle and flange rub and collide and lead to send out
The situation of raw shafting abrasion, because larger friction and collision therefore may require that more refrigeration lubrication oil to be realized lubricating, and
Lead to original lubrication oilreserves that deficiency often occurs.Open for solving above-mentioned technical problem patent document cn204386886u
Technology in provide a kind of new rotary compressor, including bent axle and upper flange, bent axle arranges the first magnet, upper method
On orchid, the second magnet is set, the pole polarity in the opposing polarities face of the first magnet and the second magnet is identical, therefore can pass through two
The reaction force of the magnetic force between magnet and effectively reduce the upper flange of compressor and bent axle contact stress, thus reaching reduction friction
Effect with collision.But this technology yet suffers from following technical problems: 1. because the magnet on bent axle is embedded in the side of bent axle
Edge or the position of set within it by the magnet on antermarginal position, upper flange footpath edge or close inner diameter edge, lead to two
Magnet is all easily come off due to centrifugal force when rotating with bent axle, and magnetic force distribution line produced by it is along song
Axle circumferentially distributed uneven and lead to repulsion and flange upper magnet between in the circumferential skewness finally cause bent axle with
The situation rubbing and colliding is still suffered between flange；2. set respectively on upper flange and bent axle due to merely disclosing in the document
Put the situation of magnet, lead to its scope of application to be limited to, when rubbing between lower flange and bent axle, colliding, the document
Disclosed technology cannot play good control action to this situation；3. because the first and second magnets in the document are using forever
The version of magnet, its its quantity of magnetism size cannot be adjusted after being attached on bent axle and upper flange effect it is impossible to
Accomplish effectively to be controlled as needed.
Due to compressor of the prior art, when solving to wear and tear between bent axle and flange, magnet easily comes off and magnetic force divides
Cloth is uneven and still suffer from the technical problems such as the situation of frictional impact, therefore the utility model research and design goes out a kind of electromagnetic levitation type pressure
Contracting machine.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome and of the prior art has reduction bent axle and flange
Between abrasion compressor in operation process magnet be susceptible to the defect coming off, thus providing a kind of compression of electromagnetic levitation type
Machine.
The utility model provides a kind of electromagnetic levitation type compressor, and it includes bent axle and upper flange, in the inside of described bent axle
It is provided with the first magnet with described upper flange matching portions, the second magnet, described first magnet are provided with described upper flange
Opposite face with described second magnet is the like pole repelling each other；Wherein said first magnet is arranged in the inside of described bent axle
Entreat position and do not extend out the outer peripheral face of described bent axle.
Preferably, also include lower flange, be provided with the 3rd magnetic in the inside of described bent axle with described lower flange matching portions
Body, described lower flange is additionally provided with the 4th magnet, and the opposite face of described 3rd magnet and described 4th magnet is repel each other same
Property magnetic pole；Wherein said 3rd magnet is arranged at the center of inside position of described bent axle and does not extend out the periphery of described bent axle
Face.
Preferably, described second magnet is loop configuration, is arranged inside described upper flange, is located at internal and external walls radial direction
Between position；And/or,
Described 4th magnet is also loop configuration and is arranged inside described lower flange, is located between internal and external walls radial direction
Position.
Preferably, described upper flange coincides with the central axis of described lower flange and also mutually overlapping with the axis of described bent axle
Close；Described second magnet and the respective central axis of described 4th magnet also coincide and the also axis phase with described bent axle each other
Overlap.
Preferably, described first magnet and described 3rd magnet are cylindrical structure.
Preferably, described first magnet, described second magnet, described 3rd magnet and described 4th magnet are magnet.
Preferably, again to described first magnet, described second magnet, described 3rd magnetic after the completion of compressor pump assembling
Body and described 4th magnet are magnetized.
Preferably, bent axle, described upper flange and described lower flange described in magnet force fit by way of colding pressing.
Preferably, described first magnet and/or described second magnet and/or described 3rd magnet and/or the described 4th
Magnet is solenoid.
Preferably, described first magnet and/or described 3rd magnet are circle ring column structure, described upper flange and/or institute
State and in lower flange, along the circumferential direction equably offer multiple grooves, in each described groove, be provided with magnet.
A kind of electromagnetic levitation type compressor that the utility model provides has the advantages that
1. pass through electromagnetic levitation type compressor of the present utility model, relative using being respectively provided with the same sex on bent axle with upper flange
Magnet can produce magnetic pole same sex repulsion, to reduce between bent axle and upper flange abrasion；And described first magnet is arranged at institute
The center of inside position stating bent axle and the mode of the outer peripheral face not extending out described bent axle, enable to the first magnet and in song
Axle can be always positioned at the central position in its axle center during rotating, be always positioned at the inside of bent axle, thus effectively
Prevent from leading to due to the effect of centrifugal force the situation that magnet easily falls off during compressor operating moreover it is possible to effectively make
Magnetic force distribution uniformly, frictional impact is not occurred most possibly, thus ensure that compressor magnetic suspension operating effective, can
The operation leaned on；
2. pass through electromagnetic levitation type compressor of the present utility model, lower flange and bent axle are also configured to tie with upper flange position
Structure identical magnet structure, can play, to the abrasion between lower flange and bent axle, the effect weakening well, also effectively simultaneously
Prevent that magnet during compressor operation comes off the occurrence of it is ensured that compressor magnetic suspension operating effective, can
The operation leaned on；
3. pass through electromagnetic levitation type compressor of the present utility model, using magnetized to it again after assembling magnet
Means, can adjust the size of the magnet amount of magnetizing as needed and control repulsive force, to ensure between bent axle and upper lower flange
Gap, bent axle is made to be suspended in the center of lower flange；
4. pass through electromagnetic levitation type compressor of the present utility model, magnet is adopted the version of solenoid, Neng Goutong
Cross electromagnetic induction principle to produce magneticaction, and repulsive force can be controlled act on by adjusting electric current, control hand
Section is simple and accurately and efficient, can be effectively realized maglev purpose and effect.
Brief description
Fig. 1 is the axial section that matches with bent axle of upper flange of rotary compressor of the prior art；
Fig. 2 is the pump body structure schematic diagram of electromagnetic levitation type compressor of the present utility model；
Fig. 3 be electromagnetic levitation type compressor of the present utility model lower flange match with bent axle part structure for amplifying illustrate
Figure；
Fig. 4 is the a-a of Fig. 3 to top view.
In figure reference is expressed as:
1 bent axle, 2 upper flanges, 3 lower flanges, 4 first magnets, 5 second magnets, 6 the 3rd magnets, 7
Four magnets.
Specific embodiment
As in Figure 2-4, the utility model provides a kind of electromagnetic levitation type compressor (especially a kind of rotor-type compressor),
Including bent axle 1 and upper flange 2, it is provided with the first magnet 4 in the inside of described bent axle 1 with described upper flange 2 matching portions, in institute
State and the second magnet 5 is provided with upper flange 2, the opposite face of described first magnet 4 and described second magnet 5 is the same sex magnetic repelling each other
Pole；
Wherein said first magnet 4 is arranged at the center of inside position of described bent axle 1 and does not extend out described bent axle 1
Outer peripheral face.
By electromagnetic levitation type compressor of the present utility model, relative using being respectively provided with the same sex on bent axle with upper flange
Magnet can produce magnetic pole same sex repulsion, to reduce abrasion between bent axle and upper flange；And described first magnet is arranged at described
The center of inside position of bent axle and do not extend out described bent axle outer peripheral face mode, enable to the first magnet and in bent axle
The central position that its axle center can be always positioned at during rotation, the inside being always positioned at bent axle, thus effectively preventing
Stop the occurrence of lead to magnet to hold caducous during compressor operation due to the effect of centrifugal force moreover it is possible to effectively
Make magnetic force distribution uniform, so that frictional impact does not occur most possibly, thus ensure that having of compressor magnetic suspension operating
Effect, reliable operation.
It is further preferred that described first magnet 4 is revolving body, its centre of gyration line is mutually overlapping with the axis of described bent axle 1
The radius of conjunction and described first magnet 4 is less than the radius of described bent axle 1.
Preferably, also include lower flange 3, be provided with the 3rd in the inside of described bent axle 1 with described lower flange 3 matching portions
Magnet 6, described lower flange 3 is additionally provided with the 4th magnet 7, the opposite face of described 3rd magnet 6 and described 4th magnet 7 is phase
The like pole scolded；Wherein said 3rd magnet 6 is arranged at the center of inside position of described bent axle 1 and does not extend out described song
The outer peripheral face of axle 1.
By electromagnetic levitation type compressor of the present utility model, lower flange and bent axle are also configured to and upper flange positional structure
Identical magnet structure, can play, to the abrasion between lower flange and bent axle, the effect weakening well, also effectively prevent simultaneously
Stopped that magnet during compressor operation comes off the occurrence of it is ensured that compressor magnetic suspension operating effective, reliable
Operation.
It is further preferred that wherein said 3rd magnet 6 is revolving body, the axis of its centre of gyration line and described bent axle 1
Coincide and described 3rd magnet 6 radius be less than described bent axle 1 radius.
Preferably, described second magnet 5 is loop configuration, is arranged inside described upper flange 2, is located at internal and external walls radially
Between position；And/or,
Described 4th magnet 7 is also loop configuration and is arranged inside described lower flange 3, is located at internal and external walls radial direction
Between position.
Second magnet and/or the 4th magnet are set to the loop configuration between upper flange or the inside and outside wall of lower flange, energy
The second magnet and/or the 4th magnet is enough enable to be always positioned inside flange, prevent during compressor operation due to song
The rotating collision of axle and unexpectedly make that the magnet in flange comes off the occurrence of and affect the property of set steady safety
Energy.
Preferably, the central axis of described upper flange 2 and described lower flange 3 coincides and the also axis with described bent axle 1
Coincide；Described second magnet 5 and the respective central axis of described 4th magnet 7 also coincide each other and also with described bent axle 1
Axis coincide.This is preferred structure and the setting form of upper lower flange, so can effectively ensure the second magnet and
Four magnets produce the uniform magnetic field of magnetic force distribution so that and the magnet on bent axle between the magnetic force distribution in circumferencial direction equal
Even, thus effectively ensureing not occurring as much as possible between bent axle and upper lower flange to rub and collide, making bent axle keep magnetcisuspension
Floating state effective, reliable operation it is ensured that compressor magnetic suspension operates with flange center position.
It is further preferred that described upper flange 2 and described lower flange 3 are the structure of revolving body, and its respective revolution
Center line is all coincided with the axis of described bent axle 1；Described second magnet 5 and the respective centre of gyration line of described 4th magnet 7
Also all coincide with the axis of described bent axle 1.
Preferably, described first magnet 4 and described 3rd magnet 6 are cylindrical structure.This is of the present utility model
Revolving body first magnet and the preferred constructive form of the 3rd magnet, revolving body is chosen as cylindrical version, structure letter
Single and easy to process, and in function and can make, with meeting requirement of the present utility model, to realize generation circumferencial direction uniform
The effect of the magnetic force of distribution, is positioned in crankshaft center position and also can guarantee that and will not produce centrifugal force in operation process and produce
Raw energy consumption.
Preferably, described first magnet 4, described second magnet 5, described 3rd magnet 6 and described 4th magnet 7 are magnetic
Iron.This is preferred kind and the version of aforementioned four magnet.
Preferably, compressor pump assembling after the completion of again to described first magnet 4, described second magnet 5, the described 3rd
Magnet 6 and described 4th magnet 7 are magnetized.Using the means again it being magnetized after assembling magnet, Neng Gougen
Control repulsive force according to needing to adjust the size of the magnet amount of magnetizing, to ensure the gap between bent axle and upper lower flange, to make song
Axle suspension floats over the center of lower flange.
Preferably, bent axle 1, described upper flange 2 and described lower flange 3 described in magnet force fit by way of colding pressing.
This is that magnet is manufactured into bent axle, the preferred processing mode in upper lower flange, by way of colding pressing, magnet force fit is bent
Axle can simply and easily be realized and combine more firm.
Preferably, described first magnet 4 and/or described second magnet 5 and/or described 3rd magnet 6 and/or described
Four magnets 7 are solenoid.Magnet is adopted the version of solenoid, magnetic force can be produced by electromagnetic induction principle
Effect, and repulsive force can be controlled act on by adjustment electric current, control device is simple and accurately and efficient, Neng Gouyou
Realize maglev purpose and effect to effect.
Preferably, described first magnet 4 and/or described 3rd magnet 6 are circle ring column structure, described upper flange 2 and/or
Along the circumferential direction equably offer multiple grooves in described lower flange 3, in each described groove, be provided with magnet.This is in bent axle
With another kind of preferable shape of magnet and version are set in upper lower flange, by bent axle using annulus agent structure
First and the 3rd magnet, also can produce the uniform magnetic force of circumferencial direction, along the circumferential direction uniformly open up multiple in upper lower flange
Groove and in each groove arrange magnet form it is also possible in upper lower flange produce the equally distributed magnetic force of circumferencial direction, from
And realize the uniformity of magnetic force distribution between bent axle and upper lower flange so that frictional impact does not occur most possibly it is ensured that compressing
Effective, the reliable operation of machine magnetic suspension operating.
Of the present utility model operation principle and preferred embodiment are described below
The utility model passes through to increase magnet on bent axle and flange, according to principle of same-sex repulsion make bent axle hanging not with method
Blue directly contact, reduces abrasion, improves reliability, finally realizes oil-free lubrication.
Fig. 2: enlarged drawing at the utility model flange bent axle cooperation
In figure, one of cylindrical magnet embeds bent axle short axle center, and one piece of annular magnet interference is fixed, and mating surface ensures
Same polarity.
Fig. 3: the utility model lower flange top view
This figure is the top plan view of Fig. 2, is cylinder-shaped magnet wherein with bent axle cooperation, the annular magnetic with flange cooperation
Iron, bent axle short axle is cylindrical to ensure certain interval distance with flange hole inner circle, prevents from colliding.
The utility model, by the principle of magnet " same sex is repelled each other ", partners two blocks of magnet, by each other
Repulsive force reaches flange and the non-touching structure of bent axle, and the program can substantially reduce or even eliminate between shafting and flange
Fretting wear, accomplishes the magnetic suspension effect of oil-free lubrication further.
Fig. 2 is the whole structure figure of the program, and upper flange is respectively mounted a pair with bent axle major axis, lower flange and bent axle short axle
Same sex magnet, magnet force fit bent axle and flange by way of colding pressing, the pump housing magnetizes after assembling, and repulsive force makes bent axle
It is suspended in flange center, by adjusting magnet and controlling repulsive force it is ensured that gap between bent axle and flange.
At bent axle, circular ring magnet is adopted using cylinder-shaped magnet, flange, as shown in Figure 4.
Because bent axle major and minor axis are not contacted with flange, oil lubrication at this, can not be needed, oil circuit can be carried out again
Optimize.Further, in conjunction with the use of thrust washer and the surface treatment of cylinder roller, all contact surfaces all can achieve unlubricated
Oil work, finally can achieve and no moistens oily work structuring.
Magnet shape not immobilizes, and bent axle can also adopt annular, and flange can be symmetrically placed with multi-disc magnet,
Flange design standing groove position simultaneously.
Wherein magnet can be replaced with coil, using electromagnetic induction principle, really realizes maglev structure, and by adjusting
Whole electric current, controls repulsive force to be more prone to, but structure realization is more difficult.
Those skilled in the art is it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in the utility model
Protection domain within.The above is only preferred embodiment of the present utility model it is noted that for the art
For those of ordinary skill, on the premise of without departing from the utility model know-why, some improvement and modification can also be made,
These improve and modification also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of electromagnetic levitation type compressor it is characterised in that: include bent axle (1) and upper flange (2), interior in described bent axle (1)
Portion and described upper flange (2) matching portions are provided with the first magnet (4), are provided with the second magnet on described upper flange (2)
(5), the opposite face of described first magnet (4) and described second magnet (5) is the like pole repelling each other；Wherein said first magnet
(4) the center of inside position being arranged at described bent axle (1) and the outer peripheral face not extending out described bent axle (1).
2. compressor according to claim 1 it is characterised in that: also include lower flange (3), interior in described bent axle (1)
Portion and described lower flange (3) matching portions are provided with the 3rd magnet (6), and described lower flange (3) is additionally provided with the 4th magnet
(7), the opposite face of described 3rd magnet (6) and described 4th magnet (7) is the like pole repelling each other；Wherein said 3rd magnet
(6) the center of inside position being arranged at described bent axle (1) and the outer peripheral face not extending out described bent axle (1).
3. compressor according to claim 2 it is characterised in that: described second magnet (5) be loop configuration, be arranged at institute
State the position that upper flange (2) is internal, be located between internal and external walls radial direction；And/or,
Described 4th magnet (7) is also loop configuration and is arranged at described lower flange (3) inside, is located at internal and external walls radial direction
Between position.
4. compressor according to claim 3 it is characterised in that: the center of described upper flange (2) and described lower flange (3)
Axis is coincided and is also coincided with the axis of described bent axle (1)；Described second magnet (5) and described 4th magnet (7) are each
Central axis also coincide each other and also coincide with the axis of described bent axle (1).
5. the compressor according to one of claim 2-4 it is characterised in that: described first magnet (4) and described 3rd magnetic
Body (6) is cylindrical structure.
6. the compressor according to one of claim 2-4 it is characterised in that: described first magnet (4), described second magnet
(5), described 3rd magnet (6) and described 4th magnet (7) are magnet.
7. compressor according to claim 6 it is characterised in that: compressor pump assembling after the completion of again to described first
Magnet (4), described second magnet (5), described 3rd magnet (6) and described 4th magnet (7) are magnetized.
8. compressor according to claim 6 it is characterised in that: bent axle described in magnet force fit by way of colding pressing
(1), described upper flange (2) and described lower flange (3).
9. the compressor according to one of claim 2-4 it is characterised in that: described first magnet (4) and/or described second
Magnet (5) and/or described 3rd magnet (6) and/or described 4th magnet (7) are solenoid.
10. compressor according to claim 2 it is characterised in that: described first magnet (4) and/or described 3rd magnet
(6) it is circle ring column structure, along the circumferential direction equably offer multiple in described upper flange (2) and/or described lower flange (3)
Groove, is provided with magnet in each described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620773982.2U CN205895877U (en) | 2016-07-21 | 2016-07-21 | Magnetcisuspension floating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620773982.2U CN205895877U (en) | 2016-07-21 | 2016-07-21 | Magnetcisuspension floating compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205895877U true CN205895877U (en) | 2017-01-18 |
Family
ID=57774116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620773982.2U Active CN205895877U (en) | 2016-07-21 | 2016-07-21 | Magnetcisuspension floating compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205895877U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050896A (en) * | 2016-07-21 | 2016-10-26 | 珠海凌达压缩机有限公司 | Magnetic suspension type compressor |
| CN107435632A (en) * | 2017-09-19 | 2017-12-05 | 广东美的暖通设备有限公司 | Screw compressor |
-
2016
- 2016-07-21 CN CN201620773982.2U patent/CN205895877U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050896A (en) * | 2016-07-21 | 2016-10-26 | 珠海凌达压缩机有限公司 | Magnetic suspension type compressor |
| CN107435632A (en) * | 2017-09-19 | 2017-12-05 | 广东美的暖通设备有限公司 | Screw compressor |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |