CN206023555U - A kind of permanent magnet clutch of low eddy-current loss - Google Patents
A kind of permanent magnet clutch of low eddy-current loss Download PDFInfo
- Publication number
- CN206023555U CN206023555U CN201621079047.2U CN201621079047U CN206023555U CN 206023555 U CN206023555 U CN 206023555U CN 201621079047 U CN201621079047 U CN 201621079047U CN 206023555 U CN206023555 U CN 206023555U
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- China
- Prior art keywords
- copper
- ring set
- rotor
- interior
- copper ring
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- 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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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model discloses a kind of permanent magnet clutch of low eddy-current loss, including conductor rotor and p-m rotor, conductor rotor drives p-m rotor to rotate, conductor rotor includes conductor rotor body, outer copper ring set and interior copper ring set, conductor rotor body is double-barrel structure, including outer tube and inner core, outer tube inner surface and interior tube outer surface are equipped with the groove for installing copper bar, many copper bars are distributed on outer copper ring set outer circumference direction, and copper bar is corresponding and installed therein with the groove of the installation copper bar of the outer tube inner surface；Many copper bars are distributed on interior copper ring set inside circumference direction, and copper bar is corresponding and installed therein with the groove of the installation copper bar of the interior tube outer surface；P-m rotor coordinates in the space being installed between the outer copper ring set and interior copper ring set, and p-m rotor includes that permanent magnets and p-m rotor body, the inner and outer surfaces of p-m rotor body circumferencial direction are evenly distributed with permanent magnets.
Description
Technical field
The utility model is related to permanent magnet transmission technical field, more particularly to a kind of permanent magnet clutch of low eddy-current loss.
Background technology
Permanent magnet transmission technology is a fast-developing at home in recent years new technology, it have efficiently, energy-conservation, highly reliable
Many advantages, such as property, mechanical contact connect, have a extensive future.At present, for the research of permanent magnet clutch is mainly concentrated
At aspects such as magnetic field analysis, eddy-current loss, Design of Structural parameters, domestic many research institutions have also been developed various structures
Permanent magnetism hitch bar, but, existing permanent magnetism hitch bar there is also a lot of problems, and permanent magnet clutch holds in the course of the work
A large amount of vortex heat are also easy to produce, if can not radiate in time, p-m rotor temperature can be caused drastically to raise, so that transmission is lost
Effect.
Utility model content
For solving problems of the prior art, the utility model provides a kind of permanent magnetism shaft coupling of low eddy-current loss
Device.
The purpose of this utility model is achieved through the following technical solutions：A kind of permanent magnet clutch of low eddy-current loss, bag
Conductor rotor and p-m rotor is included, the conductor rotor drives p-m rotor to rotate, and the conductor rotor includes conductor rotor sheet
Body, outer copper ring set and interior copper ring set, the conductor rotor body is double-barrel structure, including outer tube and inner core, table in the outer tube
Face and interior tube outer surface are equipped with the copper groove for installing copper bar, are distributed many copper bars, institute on the outer copper ring set outer circumference direction
State copper bar corresponding and installed therein with the copper groove of the installation copper bar of the outer tube inner surface；The interior copper ring covers inside circumference
Many copper bars are distributed on direction, and the copper bar is corresponding with the copper groove of the installation copper bar of the interior tube outer surface and is arranged on which
In；The p-m rotor coordinates in the space being installed between the outer copper ring set and interior copper ring set, and the p-m rotor includes
Permanent magnets and p-m rotor body, the inner and outer surfaces of the p-m rotor body circumferencial direction are evenly distributed with permanent magnets, and forever
Magnetic patch inner and outer surfaces are provided with groove.
Preferably, the conductor rotor also includes first axle jump ring and the second axle jump ring, described first axle card
Spring is arranged at the outside of interior copper ring set, in first annular groove of outer surface of conductor rotor body inner core, in first annular groove is located at
The outer surface of cylinder, for the axially position of interior copper ring set, prevents its axial jump；The second axle jump ring is arranged at outer copper ring
In the outside of set, second annular groove of inner surface of the outer tube of conductor rotor body, second annular groove is located at the inner surface of outer tube, uses
In the axially position of outer copper ring set, its axial jump is prevented.
Preferably, the copper bar that the outer copper ring set and interior copper ring put is fixed by internal gear.
Preferably, described permanent magnets are tile type structure, and the permanent magnets inner and outer surfaces are provided with square groove, permanent magnets
Cross sectional shape be I-shaped.
Preferably, one end of the conductor rotor and p-m rotor passes through screw, nut adpting flange respectively.
The utility model beneficial effect is：Novel in structural design, eddy-current loss are low, reliable operation, and installation operation is simple, inspection
Repair conveniently, environmental suitability is strong.
Description of the drawings
Fig. 1 is the exploded view of the permanent magnet clutch of the low eddy-current loss of the utility model；
Fig. 2 is the structural representation of the permanent magnet clutch of the low eddy-current loss of the utility model；
Fig. 3 be the low eddy-current loss of the utility model permanent magnet clutch in a kind of structural representation of embodiment of permanent magnets；
In figure：1 first flange, 2 conductor rotor bodies, 3 outer copper ring sets, copper ring set in 4,5 permanent magnets, 6 p-m rotor sheets
Body, 7 first nuts, 8 second flanges, 9 first screws, 10 second screws, 11 first axle jump rings, 12 second axle jump rings, 13
Second nut, 14 grooves.
Specific embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described further.
A kind of permanent magnet clutch of low eddy-current loss, including conductor rotor and p-m rotor, the conductor rotor drives forever
Magnet rotor is rotated, and the conductor rotor includes conductor rotor body 2, outer copper ring set 3 and interior copper ring set 4, the conductor rotor sheet
Body 2 is double-barrel structure, and including outer tube and inner core, the outer tube inner surface and interior tube outer surface are equipped with the copper groove for installing copper bar,
The installation copper bar of many copper bars, the copper bar and the outer tube inner surface is distributed on the outer 3 outer circumference directions of copper ring set
Copper groove is corresponding and installed therein；The interior copper ring covers and is distributed many copper bars on 4 inside circumference directions, the copper bar with described
The copper groove of the installation copper bar of interior tube outer surface is corresponding and installed therein；The p-m rotor cooperation is installed on the outer copper ring
In space between set 3 and interior copper ring set 4, the p-m rotor includes that permanent magnets 5 and p-m rotor body 6, the permanent magnetism turn
The inner and outer surfaces of 6 circumferencial direction of sub- body are evenly distributed with permanent magnets 5, and permanent magnets inner and outer surfaces are provided with groove 14.
As Figure 1-3, a kind of permanent magnet clutch of low eddy-current loss, including conductor rotor and p-m rotor, described leads
Body rotor drives p-m rotor to rotate, and the conductor rotor includes conductor rotor body 2, outer copper ring set 3, interior copper ring set 4, first
Axle jump ring 11 and the second axle jump ring 12, described conductor rotor body 2, its are common bottom Dual-barrel-shaped structure, including outer tube and
Inner core, the outer tube inner surface and interior tube outer surface are equipped with the groove for installing copper bar, and the outer copper ring is covered on 3 outer circumference directions
It is distributed many copper bars and two outer tooth rings for fixing copper bar, the groove of the copper bar and the installation copper bar of the outer tube inner surface
Corresponding and installed therein；The interior copper ring to cover and be distributed many copper bars and for fixing copper bar two on 4 inside circumference directions
Individual outer tooth ring, the copper bar are corresponding and installed therein with the groove of the installation copper bar of the interior tube outer surface；Described first
Axle jump ring 11 is arranged at the outside of interior copper ring set 4, in first annular groove of outer surface of 2 inner core of conductor rotor body, described first
Annular groove is located at the outer surface of inner core, for the axially position of interior copper ring set 4, prevents its axial jump；The second axle jump ring
12 be arranged at the outside of outer copper ring set 3, in second annular groove of inner surface of the outer tube of conductor rotor body 2, second annular groove sets
In the inner surface of outer tube, for the axially position of outer copper ring set 3, its axial jump is prevented.
The p-m rotor coordinates in the space being installed between the outer copper ring set 3 and interior copper ring set 4, and the permanent magnetism turns
Attached bag includes permanent magnets 5 and p-m rotor body 6, and the inner and outer surfaces of 6 circumferencial direction of p-m rotor body are evenly distributed with forever
Magnetic patch 5, in the present embodiment, described permanent magnets 5 are tile type structure, and 5 inner and outer surfaces of the permanent magnets are provided with square groove, if
Put groove 14 to cause in the stationary magnetic field that permanent magnet is produced, the component along the axial arranged direction of copper bar is just in inside and outside copper ring set
Middle produce useful vortex, 5 inner and outer surfaces of permanent magnets are provided with groove, this structure copper bar direction point magnetic field than larger, produce
Vortex couple with permanent magnets produce power play drive conductor rotor purpose；Magnetic-field component in other directions is very little,
This partial magnetic field component hot direction of vortex that produces main from copper bar coupling is different with the vortex direction for driving conductor to rotate, magnetic field point
Amount is little, and the vortex of generation is also just few, and the vortex heat for comparing other permanent magnet clutch generations is just few, belongs to low eddy-current loss.
First flange 1 is installed in described conductor rotor one end, and first flange 1 is by the second screw 10 and the second nut
13 in conductor rotor, and second flange 8 is installed in described p-m rotor one end, and the second flange 8 passes through 9 He of the first screw
First nut 7 is on p-m rotor.
During utility model works, conductor rotor body 2 is connected with electric machine main shaft by first flange 1, in motor belt motor
Under dynamic, the rotation of conductor rotor body 2 produces relative motion with p-m rotor body 6, and the magnetic line of force is installed in conductor rotor body 2
Outer copper ring set 3 and interior copper ring set 4 copper bar conductor in mobile produce inducing eddy-current, and be vortexed the induced field that produces with forever
Magnetic field interaction, so as to drive p-m rotor body 6 negative along realization drive is rotated with 2 identical direction of conductor rotor body
Load rotates.
5 inner and outer surfaces of permanent magnets are provided with groove 14, this is because in the stationary magnetic field of permanent magnet generation, along copper bar axial direction
The magnetic-field component of arranged direction just produces useful vortex in inside and outside copper ring set.5 inner and outer surfaces of permanent magnets are provided with groove, this
Structure copper bar direction point magnetic field than larger, the inducing eddy-current produced in copper bar conductor couples generation with permanent magnets 5
Power plays the purpose for driving conductor rotor；Magnetic-field component in other directions is very little, and this partial magnetic field component is in copper bar conductor
The inducing eddy-current of middle generation couples the main vortex direction for producing the hot direction of vortex and driving conductor to rotate not with permanent magnets 5
With because magnetic-field component is little, produced vortex heat is also just few, just compares the vortex heat of other permanent magnet clutch generations
Few, belong to low eddy-current loss.
In this description, the utility model is described with reference to its specific embodiment.But it is clear that still can be with
Various modifications and alterations are made without departing from spirit and scope of the present utility model.Therefore, specification and drawings are considered as
Illustrative and not restrictive.
Claims (5)
1. a kind of permanent magnet clutch of low eddy-current loss, it is characterised in that including conductor rotor and p-m rotor, the conductor turns
The dynamic p-m rotor of subband is rotated, and the conductor rotor includes conductor rotor body（2）, outer copper ring set（3）With interior copper ring set（4）,
The conductor rotor body（2）For double-barrel structure, including outer tube and inner core, the outer tube inner surface and interior tube outer surface are equipped with
The copper groove of copper bar, the outer copper ring set are installed（3）It is distributed many copper bars on outer circumference direction, in the copper bar and the outer tube
The copper groove of the installation copper bar on surface is corresponding and installed therein；The interior copper ring set（4）Many are distributed on inside circumference direction
Copper bar, the copper bar are corresponding and installed therein with the copper groove of the installation copper bar of the interior tube outer surface；The p-m rotor
Coordinate and be installed on the outer copper ring set（3）With interior copper ring set（4）Between space in, the p-m rotor includes permanent magnets（5）
With p-m rotor body（6）, the p-m rotor body（6）The inner and outer surfaces of circumferencial direction are evenly distributed with permanent magnets（5）,
And permanent magnets（5）Inner and outer surfaces are provided with groove.
2. the permanent magnet clutch of low eddy-current loss according to claim 1, it is characterised in that the conductor rotor also includes
First axle jump ring（11）With the second axle jump ring（12）, described first axle jump ring（11）It is arranged at interior copper ring set（4）'s
Outside, conductor rotor body（2）In first annular groove of outer surface of inner core, first annular groove is located at the outer surface of inner core, is used for
Interior copper ring set（4）Axially position, prevent its axial jump；The second axle jump ring（12）It is arranged at outer copper ring set（3）'s
Outside, conductor rotor body（2）Outer tube the second annular groove of inner surface in, second annular groove is located at the inner surface of outer tube, use
In outer copper ring set（3）Axially position, prevent its axial jump.
3. the permanent magnet clutch of low eddy-current loss according to claim 1 and 2, it is characterised in that the outer copper ring set（3）
With interior copper ring set（4）On copper bar fixed by internal gear.
4. the permanent magnet clutch of low eddy-current loss according to claim 1 and 2, it is characterised in that described permanent magnets（5）
For tile type structure, the permanent magnets（5）Inner and outer surfaces are provided with square groove, permanent magnets（5）Cross sectional shape be I-shaped.
5. the permanent magnet clutch of low eddy-current loss according to claim 1 and 2, it is characterised in that the conductor rotor and
One end of p-m rotor passes through screw, nut adpting flange respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079047.2U CN206023555U (en) | 2016-09-26 | 2016-09-26 | A kind of permanent magnet clutch of low eddy-current loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079047.2U CN206023555U (en) | 2016-09-26 | 2016-09-26 | A kind of permanent magnet clutch of low eddy-current loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023555U true CN206023555U (en) | 2017-03-15 |
Family
ID=58261191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621079047.2U Expired - Fee Related CN206023555U (en) | 2016-09-26 | 2016-09-26 | A kind of permanent magnet clutch of low eddy-current loss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206023555U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332634A (en) * | 2020-11-16 | 2021-02-05 | 合肥工业大学 | Permanent magnet disc type coupling torque limiting device |
| CN112821716A (en) * | 2021-01-11 | 2021-05-18 | 合肥工业大学 | Barrel type mixed magnetic coupling |
-
2016
- 2016-09-26 CN CN201621079047.2U patent/CN206023555U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332634A (en) * | 2020-11-16 | 2021-02-05 | 合肥工业大学 | Permanent magnet disc type coupling torque limiting device |
| CN112821716A (en) * | 2021-01-11 | 2021-05-18 | 合肥工业大学 | Barrel type mixed magnetic coupling |
| CN112821716B (en) * | 2021-01-11 | 2021-10-26 | 合肥工业大学 | Barrel type mixed magnetic coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20170926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |