CN207782566U - A kind of magnetic bearing and compressor - Google Patents
A kind of magnetic bearing and compressor Download PDFInfo
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- CN207782566U CN207782566U CN201721276540.8U CN201721276540U CN207782566U CN 207782566 U CN207782566 U CN 207782566U CN 201721276540 U CN201721276540 U CN 201721276540U CN 207782566 U CN207782566 U CN 207782566U
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- iron core
- magnetic bearing
- axial
- coil
- insulation framework
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Abstract
The utility model embodiment discloses a kind of magnetic bearing, compressor and processing method, the magnetic bearing, including axial core assembly, and the axial direction core assembly includes:Axial iron core;It is located at the insulation framework of the axial iron core both sides;And the coil of the circumferential coiling around the insulation framework, the coil is by embedding glue sealing in insulation framework.Support coil with fixed arrangements in axial iron core both sides with insulation framework in the utility model embodiment, casting glue and insulation framework provide for coil and axial iron core and coil and axle are to the insulation between iron core, the size of coil has both been limited in operation when simplifying assembly in insulation framework in this way, has also promoted the electrical insulation properties of coil.
Description
Technical field
The utility model is related to technical field of bearings, more specifically to a kind of magnetic bearing and compressor.
Background technology
Magnetic bearing is a kind of non-contact high-performance axis that the principle mutually exclusive using the identical the two poles of the earth of magnet is process
It holds, compared with conventional ball bearings, sliding bearing and filmatic bearing, Mechanical Contact is not present in magnetic bearing, and rotor can reach
To very high running speed, have many advantages, such as mechanical wear is small, low energy consumption, noise is small, long lifespan, without lubrication, without oily pollution,
The particular surroundings such as particularly suitable high speed, vacuum, ultra-clean.
Referring to Fig. 1, the schematic cross-sectional view for the axial backmixing magnetic bearing that Fig. 1 is provided by the prior art.
The axial backmixing magnetic bearing two coils 103 series connection after be respectively placed in two axial stator disks 200 it
Between.Since the coil of axial backmixing magnetic bearing in the prior art does not support effectively, it is not easy to assemble.On in addition,
It states coil not insulate effectively, insulation performance is not good enough.
Therefore, the assembly for how simplifying magnetic bearing becomes those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
In view of this, technical problem to be solved in the utility model is how to simplify the assembly of magnetic bearing, for this purpose, this
Utility model provides a kind of magnetic bearing and compressor.
To achieve the above object, the utility model provides the following technical solutions:
A kind of magnetic bearing, including axial core assembly, the axial direction core assembly include:
Axial iron core;
It is located at the insulation framework of the axial iron core both sides;
Around the coil of the circumferential coiling of the insulation framework, the coil is by embedding glue sealing in insulation framework
On.
Preferably, in above-mentioned magnetic bearing, the platform to fit with the insulation framework is provided on the axial direction iron core
Terrace.
Preferably, in above-mentioned magnetic bearing, the insulation framework is bonded together with the axial iron core by glue.
Preferably, in above-mentioned magnetic bearing, the electric current of the coil in coil in two insulation frameworks into
End is connected with the electric current outlet of another coil, remaining two ends are drawn.
Preferably, in above-mentioned magnetic bearing, the insulation framework is provided with inlet wire close to the side of the axial iron core
Slot.
Preferably, in above-mentioned magnetic bearing, the quantity into wire casing is two.
Preferably, in above-mentioned magnetic bearing, it is provided with slot on the circumferential surface of the axial direction iron core, the magnetic bearing
Magnet steel is inserted in the slot of the axial iron core.
Preferably, in above-mentioned magnetic bearing, the shell of the magnetic bearing includes front axle to iron core and rear axial iron core,
The axial direction iron core and the insulation framework are respectively positioned in the space that the front axle is surrounded to iron core with the rear axial iron core.
Preferably, in above-mentioned magnetic bearing, opening is provided on the inside of the shell, the opening is provided with thrust
Structure.
Preferably, in above-mentioned magnetic bearing, opening setting the front axle to iron core and it is described after axial iron core
The place of splicing.
The invention also discloses a kind of compressors, including magnetic bearing as described in any one of the above embodiments.
It can be seen from the above technical scheme that compared with prior art, with insulation framework in the utility model embodiment
Support coil with fixed arrangements in axial iron core both sides, casting glue and insulation framework be coil provide with axial direction iron core and
The size of coil had both been limited in insulation framework to the insulation between iron core when simplifying assembly by coil and axle in this way
Operation, also promoted coil electrical insulation properties.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
The dimensional structure diagram for the magnetic bearing that Fig. 1 is provided by the prior art;
The schematic cross-sectional view for the magnetic bearing that Fig. 2 is provided by the utility model embodiment;
The dimensional structure diagram for the insulation framework that Fig. 3 is provided by the utility model embodiment;
The schematic cross-sectional view for the insulation framework that Fig. 4 is provided by the utility model embodiment;
The main structure diagram for the axial core assembly that Fig. 5 is provided by the utility model embodiment;
Schematic cross-sectional view in the magnetic bearing assembling process that Fig. 6-Fig. 7 is provided by the utility model embodiment;
A kind of processing method flow diagram for electromagnetic bearing that Fig. 8 is provided by the utility model embodiment;
The processing method flow diagram for another electromagnetic bearing that Fig. 9 is provided by the utility model embodiment;
The processing method flow diagram for another electromagnetic bearing that Figure 10 is provided by the utility model embodiment.
Wherein, 101 be axial iron core, 102 be insulation framework, 103 be coil, 104 be embedding glue, 105 be magnet steel,
200 it is the axial iron core after to be front axle be of axial stator disk, 201 to iron core, 202,300 be thrust structure, 401 is laminate patch knot
Structure, 402 be insulating layer, 403 be coiler part.
Specific implementation mode
The core of the utility model is to disclose a kind of magnetic bearing, compressor and processing method, magnetic to simplify simultaneously
The purpose of the assembly of bearing.
Hereinafter, being illustrated to embodiment with reference to attached drawing.In addition, embodiments illustrated below is not to recorded in claim
Utility model content rise any restriction effect.In addition, the full content of the composition represented by following example is not limited to conduct
Necessary to the solution of utility model recorded in claim.
It please refers to Fig.1 to Fig. 7, the magnetic bearing in the utility model embodiment includes axial core assembly, axial iron core
Component includes axial iron core 101, insulation framework 102 and coil 103, wherein insulation framework 102 is located at the two of axial iron core 101
Side, coil 103 surround the circumferential coiling of insulation framework 102, and coil 103 is sealed in insulation framework 102 by embedding glue 104
On.
Since the insulation framework 102 in the utility model embodiment is located at 101 both sides of axial iron core;And coil 103 surrounds
The coil 103 of the circumferential coiling of insulation framework 102, coil 103 are sealed in by embedding glue 104 in insulation framework 102.This reality
Support coil 103 with fixed arrangements in 101 both sides of axial iron core, embedding with insulation framework 102 in new embodiment
Glue and insulation framework 102 are that coil 103 is provided with axial direction iron core 101 and coil 103 and axle to the insulation between iron core, this
The size of coil had both been limited in operation when simplifying assembly in insulation framework by sample, also promoted the electric insulating quality of coil
Energy.
In order to reduce the volume of axial core assembly, the platform to fit with insulation framework 102 is provided on axial iron core 101
Terrace.Assembly is that the insulation framework 102 positioned at 101 both sides of axial iron core fits with step surface, so as to shorten entire axis
To the axial length of core assembly, to achieve the purpose that reduce entire magnetic bearing volume.
In above structure there are many kinds of the fixed forms of insulation framework 102 and axial iron core 101, glued using glue
Knot, is fixed using buckle structure.It is preferably fixed using glue in the utility model embodiment, such connection type
With simple in structure, small effect is occupied.
Coil 103 in two insulation frameworks 102 can individually extracted current inlet side and electric current outlet, draw it
Afterwards, by outer lead by the electric current inlet side of a coil 103 in the coil 103 in two insulation frameworks 102 and another
The electric current outlet of coil 103 be cascaded or two insulation frameworks 102 on coil 103 in a coil 103 electricity
It flows into end directly to connect with the electric current outlet of another coil 103, remaining two ends are drawn.
In order to prevent by the wearout on coil 103 in contact process, insulation framework 102 is close to axial iron core 101
Side be provided with into wire casing.One coil 103 is threaded through this into wire casing, is then attached with another coil 103.
The above-mentioned quantity into wire casing is one or more, when multiple wire casings, can nearby be drawn coil 103, it is preferable that this practicality is newly
In type embodiment into the quantity of wire casing be two.
By being provided with magnet steel 105 on magnetic bearing, which is often fixed on axial iron core 101, it is preferable that
In the utility model embodiment, slot is provided on the circumferential surface of axial iron core 101, the magnet steel 105 of magnetic bearing is inserted in axial iron
In the slot of core 101.
The shell of magnetic bearing includes front axle to iron core 201 and rear axial iron core 202, axial iron core 101 and insulation framework
102 are respectively positioned in the space that front axle is surrounded to iron core 201 with rear axial iron core 202.Front axle axial iron core to iron core 201 and afterwards
202 fixed form does not limit specifically, if divide housing 135 into two-part structure in scope of protection of the utility model.
In order to optimize the utility model magnetic bearing, opening is provided on the inside of shell, opening is provided with thrust structure
300, the axial support to motor shaft may be implemented by the way that the thrust structure 300 and axial core assembly is arranged.
Opening is arranged at the place that front axle splices to iron core 201 and rear axial iron core 202, since the front axle in shell is to iron core
201 often length is different with axial direction of rear axial iron core 202, and in order to not influence the intensity of entire shell, the setting that is open is in front axle
Into iron core 201 and rear axial iron core 202 at the long position of axial length.
Referring to Fig. 8, the invention also discloses a kind of processing method of magnetic bearing, the magnetic bearing is above-mentioned
The magnetic bearing, the method includes the steps:
Step S1:Lock insulation framework;Above-mentioned locking can be locked by other component, can also be by coiling
Tooling is locked.
Step S2:The coil carries out coiling around the circumferential of the insulation framework, and reserves two terminals;Coiling
In journey coiling is carried out using wire winding tool.The color of two terminals may be the same or different, when color difference
When, can define a certain inherent colour is electric current inlet side, and a certain inherent colour has electric current outlet.
Step S3:The coil is sealed in the insulation framework using embedding glue;It specifically includes:By the insulation
Skeleton and the wire winding tool are placed in together in embedding tooling;With embedding glue by the insulation framework and the embedding tooling it
Between space filling it is full.
Step S4:Static solidification embedding glue;Since glue is liquid, therefore, it is necessary to cure, different glue curings
Method is different, as long as can reach so that the method that is fixed of embedding glue is in the scope of protection of the utility model
It is interior.The embedding tooling is removed after embedding glue is fully cured, and is taken out around the insulation framework made;By the filling after solidification
The burr cutaway of sealing water.
Step S5:It carries out the insulation framework and the axial iron core to be spliced to form axial core assembly.Above structure
There are many kinds of middle insulation frameworks and the fixed form of axial iron core, is bonded using glue, is fixed using buckle structure.
Preferably be fixed using glue in the utility model embodiment, such connection type have it is simple in structure, occupy it is small
Effect.The splicing is specially:The insulation framework and the axial iron core junction are cohered into fastening by glue.
It can be seen that using in the processing method in utility model embodiment, coil is carried out around the circumferential of insulation framework
Coiling, therefore, winding process action are relatively simple, are assembled so as to simplify.
Above-mentioned steps are assembled into axial core assembly, and the processing method remaining structure of electromagnetic bearing can be with prior art phase
Together, or slightly difference.
Referring to Fig. 9, the invention also discloses the processing method of another magnetic bearing, the magnetic bearing is upper
The magnetic bearing is stated, the method includes the steps:
Step S1:Lock insulation framework;Above-mentioned locking can be locked by other component, can also be by coiling
Tooling is locked.
Step S2:The coil carries out coiling around the circumferential of the insulation framework, and reserves two terminals;Coiling
In journey coiling is carried out using wire winding tool.The color of two terminals may be the same or different, when color difference
When, can define a certain inherent colour is electric current inlet side, and a certain inherent colour has electric current outlet.
Step S3:The coil is sealed in the insulation framework using embedding glue;It specifically includes:By the insulation
Skeleton and the wire winding tool are placed in together in embedding tooling;With embedding glue by the insulation framework and the embedding tooling it
Between space filling it is full.
Step S4:Static solidification embedding glue;Since glue is liquid, therefore, it is necessary to cure, different glue curings
Method is different, as long as can reach so that the method that is fixed of embedding glue is in the scope of protection of the utility model
It is interior.The embedding tooling is removed after embedding glue is fully cured, and is taken out around the insulation framework made;By the filling after solidification
The burr cutaway of sealing water.
Step S5:It carries out the insulation framework and the axial iron core to be spliced to form axial core assembly.Above structure
There are many kinds of middle insulation frameworks and the fixed form of axial iron core, is bonded using glue, is fixed using buckle structure.
Preferably be fixed using glue in the utility model embodiment, such connection type have it is simple in structure, occupy it is small
Effect.The splicing is specially:The insulation framework and the axial iron core junction are cohered into fastening by glue.
Step S6:The rear shell of the magnetic bearing is heated, and axial core assembly is embedded in rear shell;After to be cooled
The magnet steel of the embedded magnetic bearing.
It can be seen that using in the processing method in utility model embodiment, coil is carried out around the circumferential of insulation framework
Coiling, therefore, winding process action are relatively simple, are assembled so as to simplify.
Referring to Fig. 10, the invention also discloses the processing method of another magnetic bearing, the magnetic bearing is
Magnetic bearing described above, the method includes the steps:
Step S1:Lock insulation framework;Above-mentioned locking can be locked by other component, can also be by coiling
Tooling is locked.
Step S2:The coil carries out coiling around the circumferential of the insulation framework, and reserves two terminals;Coiling
In journey coiling is carried out using wire winding tool.The color of two terminals may be the same or different, when color difference
When, can define a certain inherent colour is electric current inlet side, and a certain inherent colour has electric current outlet.
Step S3:The coil is sealed in the insulation framework using embedding glue;It specifically includes:By the insulation
Skeleton and the wire winding tool are placed in together in embedding tooling;With embedding glue by the insulation framework and the embedding tooling it
Between space filling it is full.
Step S4:Static solidification embedding glue;Since glue is liquid, therefore, it is necessary to cure, different glue curings
Method is different, as long as can reach so that the method that is fixed of embedding glue is in the scope of protection of the utility model
It is interior.The embedding tooling is removed after embedding glue is fully cured, and is taken out around the insulation framework made;By the filling after solidification
The burr cutaway of sealing water.
Step S5:It carries out the insulation framework and the axial iron core to be spliced to form axial core assembly.Above structure
There are many kinds of middle insulation frameworks and the fixed form of axial iron core, is bonded using glue, is fixed using buckle structure.
Preferably be fixed using glue in the utility model embodiment, such connection type have it is simple in structure, occupy it is small
Effect.The splicing is specially:The insulation framework and the axial iron core junction are cohered into fastening by glue.
Step S6:The rear shell of the magnetic bearing is heated, and axial core assembly is embedded in rear shell;After to be cooled
The magnet steel of the embedded magnetic bearing.
Step S7:Thrust structure is installed.
Include the magnetic bearing such as any of the above-described the invention also discloses a kind of compressor.Due to above-mentioned magnetism
Bearing has the above effect, including the compressor of the magnetic bearing also has corresponding effect, and details are not described herein again.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (11)
1. a kind of magnetic bearing, including axial core assembly, which is characterized in that it is described axial direction core assembly include:
Axial iron core (101);
It is located at the insulation framework (102) of described axial iron core (101) both sides;
Around the coil (103) of the circumferential coiling of the insulation framework (102), the coil (103) passes through embedding glue (104)
It is sealed in insulation framework (102).
2. magnetic bearing as described in claim 1, which is characterized in that be provided on axial direction iron core (101) with it is described absolutely
The step surface that edge skeleton (102) fits.
3. magnetic bearing as described in claim 1, which is characterized in that the insulation framework (102) and the axial iron core
(101) it is bonded together by glue.
4. magnetic bearing as described in claim 1, which is characterized in that the coil (103) on two insulation frameworks (102)
In the electric current inlet side of a coil (103) connect with the electric current outlet of another coil (103), remaining two ends are drawn.
5. magnetic bearing as described in claim 1, which is characterized in that the insulation framework (102) is close to the axial iron core
(101) side is provided with into wire casing.
6. magnetic bearing as claimed in claim 5, which is characterized in that the quantity into wire casing is two.
7. magnetic bearing as described in claim 1, which is characterized in that be provided on the circumferential surface of the axial direction iron core (101) slotting
The magnet steel (105) of slot, the magnetic bearing is inserted in the slot of the axial iron core (101).
8. magnetic bearing as described in claim 1, which is characterized in that the shell of the magnetic bearing includes front axle to iron core
(201) and rear axial iron core (202), the axial direction iron core (101) and the insulation framework (102) are respectively positioned on the front axle to iron
In the space that core (201) is surrounded with the rear axial iron core (202).
9. magnetic bearing as claimed in claim 8, which is characterized in that be provided with opening, the opening on the inside of the shell
Place is provided with thrust structure (300).
10. magnetic bearing as claimed in claim 9, which is characterized in that opening setting is in the front axle to iron core (201)
The place spliced with the rear axial iron core (202).
11. a kind of compressor, which is characterized in that include the magnetic bearing as described in any one of claims 1 to 10.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721276540.8U CN207782566U (en) | 2017-09-29 | 2017-09-29 | A kind of magnetic bearing and compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721276540.8U CN207782566U (en) | 2017-09-29 | 2017-09-29 | A kind of magnetic bearing and compressor |
Publications (1)
Publication Number | Publication Date |
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CN207782566U true CN207782566U (en) | 2018-08-28 |
Family
ID=63218399
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CN201721276540.8U Active CN207782566U (en) | 2017-09-29 | 2017-09-29 | A kind of magnetic bearing and compressor |
Country Status (1)
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CN (1) | CN207782566U (en) |
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2017
- 2017-09-29 CN CN201721276540.8U patent/CN207782566U/en active Active
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