CN207427000U - A kind of magnetic suspension motor - Google Patents
A kind of magnetic suspension motor Download PDFInfo
- Publication number
- CN207427000U CN207427000U CN201721634172.XU CN201721634172U CN207427000U CN 207427000 U CN207427000 U CN 207427000U CN 201721634172 U CN201721634172 U CN 201721634172U CN 207427000 U CN207427000 U CN 207427000U
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- China
- Prior art keywords
- permanent magnet
- shaft
- iron core
- inner end
- iron
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Abstract
The utility model provides a kind of magnetic suspension motor, belongs to technical field of motors.A kind of magnetic suspension motor, this motor includes shaft and housing, the first permanent magnet of several strips is circumferentially fixed in shaft, several the first iron cores corresponding with each first permanent magnet are fixedly installed on the inner wall of housing, the first wire winding is arranged on first iron core, in shaft there is the location hole coaxial with shaft, an iron prop is inserted in location hole, one end of iron prop is fixedly connected with the casing, and the inner end of the first permanent magnet is stretched into location hole；After first wire winding is powered, the outer end homopolarity of the inner end of the first iron core and the first permanent magnet is provided with the suspension module with that can form repulsion with the inner end of the first permanent magnet on iron prop；There is gap between the inner end of the outer wall of iron prop and the first permanent magnet；The magnetic pole of the outer end of first permanent magnet is identical with the magnetic pole of the first iron core inner end after the positive energization of the first wire winding.The utility model has many advantages, such as simple in structure, reliable.
Description
Technical field
The utility model belongs to technical field of motors, is related to a kind of magnetic suspension motor.
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 new knot
The motor of structure.It is a difference in that other bearing is not required in it 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.
The content of the invention
The purpose of this utility model is for the above problem existing for existing technology, provides a kind of magnetic suspension motor, this
Utility model the technical problem to be solved is that how to simplify magnetic suspension motor structure, make zero mechanical friction of shaft.
The purpose of this utility model can be realized by following technical proposal：A kind of magnetic suspension motor, which is characterized in that this
Motor includes shaft and housing, is circumferentially fixed with the first permanent magnet of several strips in the shaft, on the inner wall of the housing
Be fixedly installed several the first iron cores corresponding with each first permanent magnet, be arranged on first iron core the first conducting wire around
Group has the location hole coaxial with shaft in the shaft, is inserted with an iron prop in the location hole, one end of the iron prop with
Housing is fixedly connected, and the inner end of first permanent magnet is stretched into the location hole；
After first wire winding is powered, the inner end of the first iron core and the outer end homopolarity of the first permanent magnet, the iron prop
On be provided with can with the inner end of the first permanent magnet formed repulsion suspension module；
There is gap between the inner end of the outer wall of the iron prop and the first permanent magnet；The magnetic of the outer end of first permanent magnet
Pole is identical with the magnetic pole of the first iron core inner end after the positive energization of the first wire winding.
In a kind of above-mentioned magnetic suspension motor, the suspension module includes several one-to-one with the first permanent magnet the
Two permanent magnets, the inner end of second permanent magnet are embedded in iron prop, outer end stretching iron prop circumferential surface, outside second permanent magnet
End and the inner end homopolarity of the first permanent magnet.
First wire winding of winding on first iron core, it is assumed that its direction of winding is clockwise, leads to magnetic N extremely outer ends,
Then the outer end of the first permanent magnet is N poles, and inner end is S poles, and the outer end of the second permanent magnet is S poles, and inner end is N poles, and then, shaft is hanged
It floats in the space that each first iron core is formed, the repulsion effect between the outer end of the second permanent magnet and the first permanent magnet inner end
Under, shaft is radially oriented herein, and under shaft stoppage in transit state, can also keep suspending, and is made it have preferable coaxial
Degree, will not occur to touch situation between the first iron core on startup.
The setting of this suspension module provides dual warp-wise positioning for shaft, makes its concentricity higher, transmission stability
It is good, output resistance smaller.
Suspension module can also be analogous to the first iron core and the electromagnetic structure of the first wire winding, so as to keep shaft with
It keeps suspending between iron prop.
In a kind of above-mentioned magnetic suspension motor, one end that the shaft is stretched out outside housing is referred to as output terminal, described
Shaft is located at the in vivo one end of shell and is referred to as fixing end, and a heat sink, institute are fixedly installed on the housing of the fixing end
The one end and heat sink for stating iron prop are fixedly linked.
In a kind of above-mentioned magnetic suspension motor, the fixing end is fixedly connected with an axle sleeve, one end of the axle sleeve with
Fixing end is fixedly connected, and the other end of the axle sleeve is evenly arranged with several installation sheets, and the axis of the installation sheet and shaft hangs down
Directly, at least one second iron core is fixedly installed on the installation sheet, the second wire winding, institute are arranged on second iron core
The barricade being fixedly installed on housing on the inside of installation sheet is stated, is fixedly installed on the heat sink and barricade respectively
The magnetic pole of three permanent magnet and the 4th permanent magnet, the magnetic pole of the inner end of the three permanent magnet and the outer end of the 4th permanent magnet on the contrary,
Second iron core is laterally set, 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 three 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 three 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 recover rapidly three permanent magnet and the 4th permanent magnetism
The repulsion equalization point of the more installation sheet effects of body, makes shaft recover axial suspension state and radial suspension state.
In a kind of above-mentioned magnetic suspension motor, the both sides of the installation sheet are respectively provided with a deflector.
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.
It in a kind of above-mentioned magnetic suspension motor, sets there are two the second iron core on the every installation sheet, and radially divides
Cloth.
In a kind of above-mentioned magnetic suspension motor, the barricade is silicon steel sheet.
In a kind of above-mentioned magnetic suspension motor, several outlet air through location hole are offered on the axial wall of the output terminal
Hole.
Output terminal connects external driving equipment, in order to which location hole is enable effectively to be radiated to location hole in deflector
And ventilation, several exhaust vents are opened up on the outer wall of the output terminal of shaft.
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, three 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 outside 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 three 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 three 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 three 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 by the repulsion of 63 and the 4th permanent magnet 64 of three permanent magnet, make to turn respectively
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
The repulsion equalization point of multiple three permanent magnet 63 and the 4th permanent magnet installation sheet more than 64 23 effect, makes shaft 1 recover 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 being set 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 (8)
1. a kind of magnetic suspension motor, which is characterized in that this motor includes shaft (1) and housing (2), circumferential direction on the shaft (1)
The first permanent magnet (31) of several strips is fixed with, several and each first are fixedly installed on the inner wall of the housing (2) forever
Corresponding first iron core (32) of magnet (31) is arranged with the first wire winding (33), the shaft on first iron core (32)
(1) in there is the location hole (4) coaxial with shaft (1), an iron prop (5), the iron prop (5) are inserted in the location hole (4)
One end be fixedly connected with housing (2), the inner end of first permanent magnet (31) is stretched into the location hole (4)；
After first wire winding (33) is powered, the inner end of the first iron core (32) and the outer end homopolarity of the first permanent magnet (31),
The suspension module with repulsion can be formed with the inner end of the first permanent magnet (31) is provided on the iron prop (5)；
There is gap between the outer wall of the iron prop (5) and the inner end of the first permanent magnet (31)；First permanent magnet (31)
The magnetic pole of outer end is identical with the magnetic pole of the first iron core (32) inner end after the positive energization of the first wire winding (33).
2. a kind of magnetic suspension motor according to claim 1, which is characterized in that the suspension module include it is several with first forever
One-to-one second permanent magnet (34) of magnet (31), the inner end of second permanent magnet (34) are embedded in iron prop (5), outer end
Stretch out iron prop (5) circumferential surface, the outer end of second permanent magnet (34) and the inner end homopolarity of the first permanent magnet (31).
3. a kind of magnetic suspension motor according to claim 2, which is characterized in that the shaft (1) is stretched out outside housing (2)
One end is referred to as output terminal (11), and one end that the shaft (1) is located in housing (2) is referred to as fixing end (12), close to described
A heat sink (21) is fixedly installed on the housing (2) of fixing end (12), one end of the iron prop (5) and heat sink (21) are fixed
It is connected.
4. a kind of magnetic suspension motor according to claim 3, which is characterized in that the fixing end (12) is fixedly connected with an axis
It covers (22), one end of the axle sleeve (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), be fixedly installed on the installation sheet (23) to
Lack second iron core (61), the second wire winding (62) is arranged on second iron core (61), is fixed on the housing (2)
The barricade (24) being located on the inside of installation sheet (23) is provided with, is fixedly installed respectively on the heat sink (21) and barricade (24)
There are three permanent magnet (63) and the 4th permanent magnet (64), the magnetic pole and the 4th permanent magnet of the inner end of the three permanent magnet (63)
(64) magnetic pole of outer end is on the contrary, second iron core (61) laterally setting, and parallel with shaft (1).
5. a kind of magnetic suspension motor according to claim 4, which is characterized in that the both sides of the installation sheet (23) are respectively provided with
One deflector (25).
6. a kind of magnetic suspension motor according to claim 5, which is characterized in that be provided with two on the every installation sheet (23)
A second iron core (61), and radial distribution.
7. according to claim 4 or 5 or a kind of 6 magnetic suspension motors, which is characterized in that the barricade (24) is silicon steel
Piece.
8. according to claim 4 or 5 or a kind of 6 magnetic suspension motors, which is characterized in that on the axial wall of the output terminal (11)
Offer several exhaust vents through location hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721634172.XU CN207427000U (en) | 2017-11-28 | 2017-11-28 | A kind of magnetic suspension motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721634172.XU CN207427000U (en) | 2017-11-28 | 2017-11-28 | A kind of magnetic suspension motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207427000U true CN207427000U (en) | 2018-05-29 |
Family
ID=62396562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721634172.XU Expired - Fee Related CN207427000U (en) | 2017-11-28 | 2017-11-28 | A kind of magnetic suspension motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207427000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769621A (en) * | 2017-11-28 | 2018-03-06 | 湖北科技学院 | A kind of magnetic suspension motor |
-
2017
- 2017-11-28 CN CN201721634172.XU patent/CN207427000U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769621A (en) * | 2017-11-28 | 2018-03-06 | 湖北科技学院 | A kind of magnetic suspension motor |
| CN107769621B (en) * | 2017-11-28 | 2023-12-15 | 湖北科技学院 | Magnetic suspension motor |
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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: 20180529 Termination date: 20201128 |