CN207603324U - A kind of magnetic suspension motor axial positioning structure - Google Patents
A kind of magnetic suspension motor axial positioning structure Download PDFInfo
- Publication number
- CN207603324U CN207603324U CN201721637874.3U CN201721637874U CN207603324U CN 207603324 U CN207603324 U CN 207603324U CN 201721637874 U CN201721637874 U CN 201721637874U CN 207603324 U CN207603324 U CN 207603324U
- Authority
- CN
- China
- Prior art keywords
- shaft
- permanent magnet
- positioning structure
- iron core
- axial positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of magnetic suspension motor axial positioning structure, belongs to technical field of motors.A kind of magnetic suspension motor axial positioning structure, one end and the heat sink of iron prop are fixedly linked；This axial positioning structure includes an axle sleeve for being fixedly connected on fixing end, one end of axle sleeve is fixedly connected with fixing end, the other end of axle sleeve is evenly arranged with several installation sheets, installation sheet is vertical with the axis of shaft, at least one second iron core is fixedly installed on installation sheet, the second wire winding is arranged on second iron core, the barricade being fixedly installed on housing on the inside of installation sheet, third permanent magnet and the 4th permanent magnet are fixedly installed on heat sink and barricade respectively, the magnetic pole of the outer end of the magnetic pole of the inner end of third permanent magnet and the 4th permanent magnet is opposite, second iron core is laterally set, it is and parallel with shaft.The utility model has many advantages, such as being capable of the axial Dual positioning of countershaft progress.
Description
Technical field
The utility model belongs to technical field of motors, is related to a kind of magnetic suspension motor axial positioning structure.
Background technology
DC magnetic, which floats motor and is also referred to as magnetic, floats motor, can also be magnetic motor, it is that bearing-free motor is a kind of novel knot
The motor of structure.It is a difference in that it does not need to other bearing with the maximum of conventional motors, motor can not only generate torque in itself, but also
The magnetic suspension force of support rotor can be generated, rotor is enable to realize no mechanical friction rotation.
Magnetic suspension motor due to no Mechanical Contact, thus, the positioning of shaft is core and to be difficult to solve the problems, such as the most, is situated between
In this, how axial direction is carried out to magnetic suspension motor and warp-wise positions, be the key technical problem of magnetic suspension motor.
Invention content
The purpose of this utility model is for the above problem existing for existing technology, and it is axial to provide a kind of magnetic suspension motor
Location structure, technical problem to be solved in the utility model are how the axial of countershaft carries out magnetic suspension positioning.
The purpose of this utility model can be realized by following technical proposal：A kind of magnetic suspension motor axial positioning structure,
It is characterized in that, motor includes shaft and housing, one end that the shaft is stretched out except housing is referred to as output terminal, the shaft
One end in housing is referred to as fixing end, and a heat sink, the iron are fixedly installed on the housing of the fixing end
One end of column is fixedly linked with heat sink；This axial positioning structure includes an axle sleeve for being fixedly connected on fixing end, the axis
One end of set is fixedly connected with fixing end, and the other end of the axle sleeve is evenly arranged with several installation sheets, and the installation sheet is with turning
The axis of axis is vertical, and at least one second iron core is fixedly installed on the installation sheet, second is arranged on second iron core
Wire winding, the barricade being fixedly installed on the housing on the inside of installation sheet, on the heat sink and barricade respectively
It is fixedly installed third permanent magnet and the 4th permanent magnet, the magnetic pole of the inner end of the third permanent magnet and the outer end of the 4th permanent magnet
Magnetic pole on the contrary, second iron core is laterally set, it is and parallel with shaft.
In this magnetic suspension motor, shaft is permeable structures, and heat sink is permeable structures, is rotated and is driven in housing using shaft
Air circulation makes it have good heat dissipation effect.
Pass through and be powered to the second wire winding of winding on the second iron core, it is assumed that direction of winding is clockwise, the after energization
The inner end of two iron cores be S poles, outboard end be N poles, then the inner end of third permanent magnet be N poles, the outboard end of the 4th permanent magnet
For S poles, the both sides of installation sheet are acted on respectively by the repulsion of third permanent magnet and the 4th permanent magnet, are positioned the axial direction of shaft,
When second wire winding of this motor and the first wire winding are powered, shaft can restore rapidly third permanent magnet and the 4th permanent magnetism
The repulsion equalization point of the more installation sheet effects of body, makes shaft restore axial suspension state and radial suspension state.
In a kind of above-mentioned magnetic suspension motor axial positioning structure, the both sides of the installation sheet are respectively provided with a water conservancy diversion
Plate.
It takes a breath in the more housings of deflector, makes air-flow from can have between heat sink, location hole, shaft and the first iron core
There are good heat dissipation and ventilation, avoid each permanent magnet high temperature demagnetization in this motor.
In a kind of above-mentioned magnetic suspension motor axial positioning structure, there are two the second iron for setting on the every installation sheet
Core, and radial distribution.
In a kind of above-mentioned magnetic suspension motor axial positioning structure, the barricade is silicon steel sheet.
Description of the drawings
Fig. 1 is the overall structure diagram of this magnetic suspension motor.
Fig. 2 is the sectional view on B directions in Fig. 1.
Fig. 3 is the sectional view on A directions in Fig. 1.
In figure, 1, shaft；11st, output terminal；12nd, fixing end；2nd, housing；21st, heat sink；22nd, axle sleeve；23rd, installation sheet；
24th, barricade；25th, deflector；31st, the first permanent magnet；32nd, the first iron core；33rd, the first wire winding；34th, the second permanent magnet；
4th, location hole；5th, iron prop；61st, the second iron core；62nd, the second wire winding；63rd, third permanent magnet；64th, the 4th permanent magnet.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in figures 1 and 3, this motor includes shaft 1 and housing 2, and the first of several strips are circumferentially fixed in shaft 1
Permanent magnet 31 is fixedly installed several and each first permanent magnet, 31 corresponding first iron core 32, the first iron on the inner wall of housing 2
The first wire winding 33 is arranged on core 32, in shaft 1 there is the location hole 4 coaxial with shaft 1, one is inserted in location hole 4
Iron prop 5, one end of iron prop 5 are fixedly connected with housing 2, and the inner end of the first permanent magnet 31 is stretched into location hole 4；
After first wire winding 33 is powered, the outer end homopolarity of the inner end of the first iron core 32 and the first permanent magnet 31, on iron prop 5
It is provided with the suspension module with repulsion can be formed with the inner end of the first permanent magnet 31；
There is gap between the inner end of the outer wall of iron prop 5 and the first permanent magnet 31；The magnetic pole of the outer end of first permanent magnet 31
It is identical with the magnetic pole of 32 inner end of the first iron core after the positive energization of the first wire winding 33；Suspension module includes several with first
31 one-to-one second permanent magnet 34 of permanent magnet, the inner end of the second permanent magnet 34 are embedded in iron prop 5, and iron prop 5 is stretched out in outer end
Circumferential surface, the outer end of the second permanent magnet 34 and the inner end homopolarity of the first permanent magnet 31.
First wire winding 33 of winding on first iron core 32, it is assumed that its direction of winding is clockwise, and it is extremely outer to lead to magnetic N
End, then the outer end of the first permanent magnet 31 is N poles, and inner end is S poles, and the outer end of the second permanent magnet 34 is S poles, and inner end is N poles, after
And shaft 1 is suspended in the space that each first iron core 32 is formed, in the outer end of the second permanent magnet 34 and 31 inner end of the first permanent magnet
Between repulsion effect under, shaft 1 is radially oriented herein, and under 1 stoppage in transit state of shaft, can also be kept suspending, be made
It will not occur to touch situation between the first iron core 32 on startup with preferable concentricity.
The setting of this suspension module provides dual warp-wise positioning for shaft 1, makes its concentricity higher, transmission stability
It is good, output resistance smaller.
Suspension module can also be analogous to the first iron core 32 and the electromagnetic structure of the first wire winding 33, so as to keep turning
It keeps suspending between axis 1 and iron prop 5.
As depicted in figs. 1 and 2, one end that shaft 1 is stretched out except housing 2 is referred to as output terminal 11, and shaft 1 is located at housing 2
Interior one end is referred to as fixing end 12, and a heat sink 21, one end of iron prop 5 are fixedly installed on the housing 2 of fixing end 12
It is fixedly linked with heat sink 21；Fixing end 12 is fixedly connected with an axle sleeve 22, and one end of axle sleeve 22 is fixedly connected with fixing end 12,
The other end of axle sleeve 22 is evenly arranged with several installation sheets 23, and installation sheet 23 is vertical with the axis of shaft 1, fixed on installation sheet 23
At least one second iron core 61 is provided with, the second wire winding 62 is arranged on the second iron core 61, position is fixedly installed on housing 2
Barricade 24 in the inside of installation sheet 23 is fixedly installed third permanent magnet 63 and the 4th on heat sink 21 and barricade 24 respectively
The magnetic pole of the outer end of permanent magnet 64, the magnetic pole of the inner end of third permanent magnet 63 and the 4th permanent magnet 64 is on the contrary, the second iron core 61 is horizontal
To setting, and it is parallel with shaft 1；In this magnetic suspension motor, shaft 1 be permeable structures, heat sink 21 be permeable structures, using turn
The rotation of axis 1 drives 2 inner air flow of housing, makes it have good heat dissipation effect.
It is powered by the second wire winding 62 to winding on the second iron core 61, it is assumed that direction of winding is clockwise, is powered
Afterwards the inner end of the second iron core 61 be S poles, outboard end be N poles, then the inner end of third permanent magnet 63 be N poles, the 4th permanent magnet
64 outboard end is S poles, and the both sides of installation sheet 23 are acted on respectively by the repulsion of 63 and the 4th permanent magnet 64 of third permanent magnet, make to turn
The axial direction of axis 1 is positioned, and when second wire winding 62 of this motor and the first wire winding 33 are powered, shaft 1 can be rapid extensive
Multiple third permanent magnet 63 and the repulsion equalization point of the 4th permanent magnet installation sheet more than 64 23 effect, make shaft 1 restore axial suspension shape
State and radial suspension state；The both sides of installation sheet 23 are respectively provided with a deflector 25；It takes a breath in deflector housing more than 25 2,
Air-flow is made to avoid this from can have good heat dissipation and ventilation between heat sink 21, location hole 4,1 and first iron core 32 of shaft
Each permanent magnet high temperature demagnetization in motor.
Second iron core 61 there are two settings on every installation sheet 23, and radial distribution；Barricade 24 is silicon steel sheet.
Several exhaust vents through location hole 4 are offered on the axial wall of output terminal 11；Output terminal 11 connects external driving and sets
It is standby, in order to enable location hole 4 that location hole 4 is effectively radiated and be divulged information in deflector 25, in the output terminal 11 of shaft 1
Outer wall on open up several exhaust vents.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (4)
1. a kind of magnetic suspension motor axial positioning structure, which is characterized in that motor includes shaft (1) and housing (2), the shaft
(1) one end stretched out except housing (2) is referred to as output terminal (11), and the one end of the shaft (1) in housing (2) is referred to as
Fixing end (12), is fixedly installed a heat sink (21) on the housing (2) of the fixing end (12), and the shaft (1) is interior
With the location hole (4) coaxial with shaft (1), an iron prop (5) is inserted in location hole (4), one end of the iron prop (5) is with dissipating
Hot plate (21) is fixedly linked；This axial positioning structure includes an axle sleeve (22) for being fixedly connected on fixing end (12), the axis
One end of set (22) is fixedly connected with fixing end (12), and the other end of the axle sleeve (22) is evenly arranged with several installation sheets
(23), the installation sheet (23) is vertical with the axis of shaft (1), and at least one second is fixedly installed on the installation sheet (23)
Iron core (61) is arranged with the second wire winding (62) on second iron core (61), is fixedly installed and is located on the housing (2)
Barricade (24) on the inside of installation sheet (23) is fixedly installed third permanent magnetism on the heat sink (21) and barricade (24) respectively
Body (63) and the 4th permanent magnet (64), the magnetic pole of the inner end of the third permanent magnet (63) and the outer end of the 4th permanent magnet (64)
Magnetic pole is on the contrary, second iron core (61) is laterally set, and parallel with shaft (1).
2. a kind of magnetic suspension motor axial positioning structure according to claim 1, which is characterized in that the installation sheet (23)
Both sides are respectively provided with a deflector (25).
A kind of 3. magnetic suspension motor axial positioning structure according to claim 2, which is characterized in that the every installation sheet
(23) the second iron core (61) there are two settings on, and radial distribution.
4. a kind of magnetic suspension motor axial positioning structure according to claim 3, which is characterized in that the barricade (24) is
Silicon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721637874.3U CN207603324U (en) | 2017-11-28 | 2017-11-28 | A kind of magnetic suspension motor axial positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721637874.3U CN207603324U (en) | 2017-11-28 | 2017-11-28 | A kind of magnetic suspension motor axial positioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207603324U true CN207603324U (en) | 2018-07-10 |
Family
ID=62761650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721637874.3U Expired - Fee Related CN207603324U (en) | 2017-11-28 | 2017-11-28 | A kind of magnetic suspension motor axial positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207603324U (en) |
-
2017
- 2017-11-28 CN CN201721637874.3U patent/CN207603324U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20201128 |