CN108566002A - Permanent seal cooling magneto - Google Patents
Permanent seal cooling magneto Download PDFInfo
- Publication number
- CN108566002A CN108566002A CN201810117806.7A CN201810117806A CN108566002A CN 108566002 A CN108566002 A CN 108566002A CN 201810117806 A CN201810117806 A CN 201810117806A CN 108566002 A CN108566002 A CN 108566002A
- Authority
- CN
- China
- Prior art keywords
- barrel
- adjustment barrel
- permanent magnet
- rotor
- steel sheet
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The present invention provides a kind of permanent seal cooling magneto, including casing, and stator and rotor are equipped in the casing, and the stator includes a pair of heteropolar opposite tiles permanent magnet；The rotor includes rotor core and rotor windings；One is additionally provided between the stator and rotor can rotate adjustment barrel around machine shaft, and the outer diameter of the adjustment barrel is equal to the round diameter that the inner wall of a pair of of tiles permanent magnet is surrounded；The barrel tool of the adjustment barrel includes two layers inside and outside, and internal layer barrel is circumferentially divided into four parts, wherein facing each other two parts are made of silicon steel sheet, remaining two parts are made of non-ferromagnetic material；Outer layer barrel is also divided into four parts, wherein the region being bonded with the silicon steel sheet on the internal layer barrel is made of non-ferromagnetic material, rest part is made of silicon steel sheet；The adjustment barrel, which is equipped with, can make the regulating mechanism that adjustment barrel is rotated around machine shaft.The permanent seal cooling magneto can largely inhibit the decaying of permanent magnet, and can provide powerful power if necessary.
Description
Technical field
The present invention relates to field of electromechanical equipment, are to be related to a kind of magneto particularly.
Background technology
Current DC micro-motor mainly uses magneto, since it does not have a stator winding, electrical structure compared with
To be simple, manufacturing cost is relatively low, and without providing exciting current to stator, has more significant energy saving effect；However permanent magnetism
Motor during the work time, due to rotor always formed with the mutually exclusive magnetic field of stator permanent magnet, in the long-term use,
Permanent magnet will be made gradually to demagnetize, and finally make magneto close to scrapping, therefore, the service life of magneto is usually less than other
Motor.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of permanent seal cooling magneto, the permanent seal cooling magneto
The decaying of permanent magnet can largely be inhibited, and powerful power can be provided if necessary.
The technical solution adopted by the present invention to solve the technical problems is：The permanent seal cooling magneto includes casing, described
Stator and rotor are equipped in casing, the stator includes a pair of heteropolar opposite tiles permanent magnet；The rotor includes rotor iron
Core and rotor windings；One is additionally provided between the stator and rotor can rotate adjustment barrel around machine shaft, the adjustment barrel
Outer diameter is equal to the round diameter that the inner wall of a pair of of tiles permanent magnet is surrounded；The barrel tool of the adjustment barrel includes interior
Outer two layers, internal layer barrel is circumferentially divided into four parts, wherein facing each other two parts are made of silicon steel sheet, remaining two parts by non-ferromagnetic material
It constitutes；Outer layer barrel is also divided into four parts, wherein the region being bonded with the silicon steel sheet on the internal layer barrel is made of non-ferromagnetic material,
Rest part is made of silicon steel sheet；The adjustment barrel, which is equipped with, can make the regulating mechanism that adjustment barrel is rotated around machine shaft.
Preferably, each tiles permanent magnet accounts for 1/4 peripheral wall of the casing, the internal layer barrel of the adjustment barrel and outer
Each silicon steel sheet on layer barrel also accounts for 1/4 peripheral wall of internal layer barrel, outer layer barrel respectively；So that each silicon steel sheet and each described
Tiles permanent magnet has equal arc length, to realize complete face.
Preferably, the thickness of the outer layer barrel of the adjustment barrel is 1mm ~ 2mm.
Preferably, the force of sliding friction when adjustment barrel rotation between the tiles permanent magnet is 10N ~ 20N, make
Rotating cylinder is easy to be driven to rotate, while being not easy to voluntarily rotate under vibration again.
Preferably, the adjustment barrel is rotated by the driving of micromotor, which constitutes the adjusting machine
Structure.
Advantageous effect of the present invention is：The adjustment barrel can be rotated and be adjusted in normal use by the permanent seal cooling magneto
Section is to low power state, at this point, silicon steel sheet on the outer layer barrel of adjustment barrel is far from each tiles permanent magnet, and internal layer barrel
On silicon steel sheet be right against each tiles permanent magnet；At this point, due between the silicon steel sheet on tiles permanent magnet and internal layer barrel
With interval, keep the magnetic induction intensity that tiles permanent magnet is transmitted at rotor core weakened, to make rotor core with watt
Magnetic repulsion between shape permanent magnet is suppressed, and makes motor operation in low power state；At this point, magnetic suffered by the tiles permanent magnet
Repulsion is smaller, and magnetism decaying is slower；And when needing the motor high power operation, then adjustment barrel rotation is adjusted supreme
Power rating, at this point, silicon steel sheet face on the outer layer barrel of adjustment barrel and be close to the tiles permanent magnet, tiles permanent magnetism at this time
The magnetic induction intensity that body is transmitted to rotor core greatly improves, high to enter to form huge magnetic repulsion to rotor core
Power operating condition；The magneto is particularly suitable for the occasion that operating mode changes greatly, such as vehicular electric machine, is travelled in smooth-riding surface
When, be suitble to use low-power mode, and bumpy road when driving, be suitble to use high-power mode.
Description of the drawings
Fig. 1 is the schematic diagram of one embodiment of this permanent seal cooling magneto in a low-power state.
Fig. 2 is schematic diagram of the one embodiment of this permanent seal cooling magneto under high power state.
Specific implementation mode
In Fig. 1, embodiment shown in Fig. 2, which includes casing 1, and stator is equipped in the casing 1
With rotor 2, the stator includes a pair of heteropolar opposite tiles permanent magnet 3a, 3b；The rotor 2 includes rotor core and rotor
Winding；Be additionally provided with an adjustment barrel 5 that can be rotated around machine shaft 4 between the stator and rotor 2, the adjustment barrel 5 it is outer
The round diameter that inner wall of the diameter equal to described a pair of of tiles permanent magnet 3a, 3b is surrounded, when adjustment barrel 5 being made to rotate, with tiles
There is certain frictional force between permanent magnet 3a, 3b；The barrel tool of the adjustment barrel 5 includes two layers inside and outside, internal layer barrel 52
Circumferentially it is divided into four parts, wherein facing each other two parts are made of silicon steel sheet 521, remaining two parts are made of non-ferromagnetic material；Outer layer cylinder
Wall 51 is also divided into four parts, wherein the region being bonded with the silicon steel sheet 521 on the internal layer barrel 52 is made of non-ferromagnetic material, remaining
Part is made of silicon steel sheet 511；The adjustment barrel 5, which is equipped with, can make the regulating mechanism that adjustment barrel 5 is rotated around machine shaft 4（Not
Diagram）, the regulating mechanism can be micromotor, the adjustment barrel 5 be coupled by transmission, when needed by adjustment barrel 5
Rotation is adjusted to corresponding location status.
Above-mentioned permanent seal cooling magneto, each described tiles permanent magnet 3a, 3b account for 1/4 peripheral wall of the casing 1, the tune
Each silicon steel sheet 521,511 saved on the internal layer barrel 52 and outer layer barrel 51 of cylinder 5 also accounts for internal layer barrel 52, outer layer barrel 51 respectively
1/4 peripheral wall；So that each silicon steel sheet 521,511 and each described tiles permanent magnet 3a, 3b have equal arc length, so as to
Realize complete face.The thickness of the outer layer barrel 51 of the adjustment barrel 5 is 1mm ~ 2mm.The adjustment barrel 5 rotate when with described watt
Force of sliding friction between shape permanent magnet 3a, 3b is 10N ~ 20N, makes rotating cylinder 5 be easy to be driven to rotate, while being not easy to again
It is voluntarily rotated under vibration.
The adjustment barrel 5 can be rotated in normal use and be adjusted to low power state, such as by above-mentioned permanent seal cooling magneto
Shown in Fig. 1, at this point, silicon steel sheet 511 on the outer layer barrel 51 of adjustment barrel 5 is far from each described tiles permanent magnet 3a, 3b, and internal layer
Silicon steel sheet 521 on barrel 52 is right against each described tiles permanent magnet 3a, 3b；At this point, due to tiles permanent magnet 3a, 3b and internal layer
There is interval between silicon steel sheet 521 on barrel 52, tiles permanent magnet 3a, 3b is made to be transmitted to the magnetic induction intensity at rotor core
It is weakened, to make the magnetic repulsion between rotor core and tiles permanent magnet 3a, 3b be suppressed, make motor operation in low work(
Rate state；At this point, magnetic repulsion suffered by described tiles permanent magnet 3a, 3b is smaller, magnetism decaying is slower；And needing the motor high
When Power operation, then the rotation of the adjustment barrel 5 is adjusted to high power state, as shown in Fig. 2, at this point, the outer layer cylinder of adjustment barrel 5
511 face of silicon steel sheet on wall 51 is simultaneously close to described tiles permanent magnet 3a, 3b, and tiles permanent magnet 3a, 3b are transmitted to rotor at this time
The magnetic induction intensity of iron core greatly improves, to form huge magnetic repulsion to rotor core, to enter high power operating condition.
The magneto is particularly suitable for the occasion that operating mode changes greatly, such as vehicular electric machine, smooth-riding surface when driving, fit
Conjunction uses low-power mode, and bumpy road when driving, be suitble to use high-power mode.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of permanent seal cooling magneto, including casing (1), the casing (1) is interior to be equipped with stator and rotor (2), the stator
Including a pair of heteropolar opposite tiles permanent magnet (3a, 3b)；The rotor (2) includes rotor core and rotor windings；Its feature
It is：An adjustment barrel (5) that can be rotated around machine shaft (4), the adjustment barrel are additionally provided between the stator and rotor (2)
(5) outer diameter is equal to the round diameter that the inner wall of a pair of of tiles permanent magnet (3a, 3b) is surrounded, and adjustment barrel (5) is made to revolve
When turning, there is certain frictional force between tiles permanent magnet (3a, 3b)；The barrel tool of the adjustment barrel (5) includes inside and outside
Two layers, internal layer barrel (52) is circumferentially divided into four parts, wherein facing each other two parts are made of silicon steel sheet (521), remaining two parts by
Non-ferromagnetic material is constituted；Outer layer barrel (51) is also divided into four parts, wherein being bonded with the silicon steel sheet (521) on the internal layer barrel (52)
Region be made of non-ferromagnetic material, rest part is made of silicon steel sheet (511)；The adjustment barrel (5), which is equipped with, can make adjustment barrel
(5) regulating mechanism rotated around machine shaft (4).
2. permanent seal cooling magneto according to claim 1, it is characterised in that：Each tiles permanent magnet (3a, 3b) accounts for
The casing（1）1/4 peripheral wall, the adjustment barrel（5）Internal layer barrel（52）With outer layer barrel（51）On each silicon steel sheet
（521、511）Also internal layer barrel is accounted for respectively（52）, outer layer barrel（51）1/4 peripheral wall.
3. permanent seal cooling magneto according to claim 1, it is characterised in that：The adjustment barrel（5）Outer layer barrel
（51）Thickness be 1mm ~ 2mm.
4. permanent seal cooling magneto according to claim 1, it is characterised in that：The adjustment barrel（5）When rotation with it is described
Force of sliding friction between tiles permanent magnet (3a, 3b) is 10N ~ 20N.
5. permanent seal cooling magneto according to claim 1, it is characterised in that：The adjustment barrel（5）By micromotor
It drives and rotates, which constitutes the regulating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117806.7A CN108566002A (en) | 2018-02-06 | 2018-02-06 | Permanent seal cooling magneto |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117806.7A CN108566002A (en) | 2018-02-06 | 2018-02-06 | Permanent seal cooling magneto |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108566002A true CN108566002A (en) | 2018-09-21 |
Family
ID=63532242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810117806.7A Pending CN108566002A (en) | 2018-02-06 | 2018-02-06 | Permanent seal cooling magneto |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108566002A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204835891U (en) * | 2015-08-06 | 2015-12-02 | 杭州三相科技有限公司 | Coaxial magnetism gear of magnetic field modulation type |
-
2018
- 2018-02-06 CN CN201810117806.7A patent/CN108566002A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204835891U (en) * | 2015-08-06 | 2015-12-02 | 杭州三相科技有限公司 | Coaxial magnetism gear of magnetic field modulation type |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180921 |