CN207782566U - A kind of magnetic bearing and compressor - Google Patents

A kind of magnetic bearing and compressor Download PDF

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Publication number
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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China
Prior art keywords
iron core
magnetic bearing
axial
coil
insulation framework
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CN201721276540.8U
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Inventor
苏久展
张小波
刘健宁
张芳
龚高
田思园
张超
李欣
董如昊
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Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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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

A kind of magnetic bearing and compressor
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.
CN201721276540.8U 2017-09-29 2017-09-29 A kind of magnetic bearing and compressor Active CN207782566U (en)

Priority Applications (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

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
CN207782566U true CN207782566U (en) 2018-08-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721276540.8U Active CN207782566U (en) 2017-09-29 2017-09-29 A kind of magnetic bearing and compressor

Country Status (1)

Country Link
CN (1) CN207782566U (en)

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