CN207743845U - A kind of permanent magnetic coupling of adjustable speed - Google Patents
A kind of permanent magnetic coupling of adjustable speed Download PDFInfo
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- CN207743845U CN207743845U CN201721786449.0U CN201721786449U CN207743845U CN 207743845 U CN207743845 U CN 207743845U CN 201721786449 U CN201721786449 U CN 201721786449U CN 207743845 U CN207743845 U CN 207743845U
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- China
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- permanent magnetic
- adjustable speed
- armature winding
- magnetic coupling
- internal rotor
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Abstract
A kind of permanent magnetic coupling of adjustable speed, including the outer rotor and internal rotor that intercouple；Outer rotor includes armature winding, and armature winding is connected with the regulating mechanism that the current/voltage of armature winding can be adjusted, and the change of output shaft torque, size is realized by the way that current/voltage is adjusted；Internal rotor is provided with permanent magnetic steel and the clamp device for fixing permanent-magnet magnetic guiding principle；Internal rotor detachably coaxially couples with the flange shaft sleeve on the outside of it, and flange shaft sleeve is coaxially assembled with drive shaft.The utility model is adjusted by the current or voltage to the armature winding, to adjust the coupler output torque size, simple in structure, energy loss is small.Meanwhile internal rotor is coaxially positioned with corresponding flange shaft sleeve by abutment sleeve, ensure that the concentricity of internal rotor and drive shaft；And be connected with using articulation hole, substantially reduce unbalancing value caused by the variation of bolt installation site.
Description
Technical field
The utility model is related to mechanical transmission fields, and in particular, to a kind of permanent magnetic coupling of adjustable speed.
Background technology
The basic functional principle of the permanent magnet speed regulation device of the prior art is as follows：Conductor rotor disk has opposite fortune with internal rotor disk
Dynamic, conductor rotor disk circumgyration incision magnetic line of force in the alternating magnetic field that interior rotor disk generates generates inductive loop, the inductive loop
Reverse induction magnetic field, the induced field and permanent magnetic disk magnetic field interaction are generated in turn, in conductor rotor disk and interior turn
Electromagnetic torque is generated between sub-disk.By adjusting the size of gaps between two rotor disks or being to pass through tune for the structure of cartridge type
The coupling area between two rotors is saved to reduce the size of electromagnetic torque.
Also a kind of remodeling is to arrive the vortex " merger " in conductor rotor disk in armature winding coil, armature outer rotor
The size of air-gap separation between disk and internal rotor disk determines the size that electromagnetic torque can be transmitted between them.I.e. existing skill
Art is to adjust the size of output torque by adjusting the size of gaps between two rotors, to reach coupling or tune between transmission shaft
Save the purpose of transfer of torque and driving load.
In permanent magnetic speed-adjusting technology, the presence of speed discrepancy is all must have between internal rotor and conductor rotor, otherwise two turns
There will be no the generations of electromagnetic torque between sub-disk.Speed-regulating function is realized to change output rotating speed, can only just change revolutional slip.
The speed control principle of permanent magnet speed regulation device is to change revolutional slip by changing the size of output torque, changes output in the prior art
Usually there are two types of ways for the size of torque：First, changing the magnetic flux area between internal rotor and conductor rotor, second is that changing the two
Between size of gaps；And both methods is required for mechanical actuating mechanism, and the setting of mechanical actuating mechanism not only to be driven
The structure of device is increasingly complex, also increases volume, improves follow-up maintenance workload.
In addition, there are great slip powers to be lost for this kind of slip speed regulator in the prior art, that there are transmission efficiencies is low,
The big defect of energy loss.
Utility model content
The purpose of this utility model is to provide a kind of the compact-sized of adjustable speed, safety and the high permanent magnet coupling of reliability
Device.
The utility model provides scheme 1, a kind of permanent magnetic coupling of adjustable speed, including：The outer rotor that intercouples and interior
Rotor, the outer rotor and the internal rotor are core structure, and the outer rotor includes armature winding, and the armature winding connects
It is connected to the regulating mechanism that the current/voltage of armature winding can be adjusted；The internal rotor is provided with permanent magnetic steel and is used for
The clamp device of fixed permanent-magnet magnetic guiding principle；The internal rotor detachably coaxially couples with the flange shaft sleeve on the outside of it, the method
Blue axle sleeve is coaxially assembled with drive shaft.
Scheme 2, a kind of permanent magnetic coupling of adjustable speed as described in scheme 1, the armature winding setting is at described outer turn
On the internal face of the core structure of son, the permanent magnetic steel is arranged in the outside wall surface of the core structure of internal rotor.
The circle in permanent magnetic steel is arranged in scheme 3, a kind of permanent magnetic coupling of adjustable speed as described in scheme 1, clamp device
On outer surface of column.
Scheme 4, a kind of permanent magnetic coupling of adjustable speed as described in scheme 1, the armature winding and the permanent magnetic steel
Between be provided with electromagnetic coupling air gap.
Scheme 5, a kind of permanent magnetic coupling of adjustable speed as described in scheme 1, the regulating mechanism include by recycling or
Consumption slip power adjusts the current adjusting device of electric current in the armature winding.
Scheme 6, a kind of permanent magnetic coupling of adjustable speed as described in scheme 5, the current adjusting device include adjusting institute
State the controllable electric kinetic potential of electric current in armature winding.
Scheme 7, a kind of permanent magnetic coupling of adjustable speed as described in scheme 5, the current adjusting device includes microcontroller
With control execution circuit.
Scheme 8, a kind of permanent magnetic coupling of adjustable speed of any one of them of such as scheme 1-7, the regulating mechanism pass through
Electric slip ring connects the armature winding with carbon brush.
The permanent magnetic coupling of scheme 9, a kind of adjustable speed according to scheme 8, the armature winding include iron core and with
Fractional-slot concentratred winding mode is wrapped in the armature winding on the iron core；MgO-ZrO_2 brick q is 1/4~1/2.
The permanent magnetic coupling of scheme 10, a kind of adjustable speed according to scheme 9, the armature winding are set as Double Layer Winding
Or Single-layer Windings.
Scheme 11, a kind of permanent magnetic coupling of adjustable speed of any one of them according to scheme 1-7, the clamp device are
It is set to the carbon fiber strapping of the cylindrical outer surface of permanent magnetic steel.
The permanent magnetic coupling of scheme 12, a kind of adjustable speed according to scheme 12, the carbon fiber strapping distinguish position
In on the cylindrical outer surface in each monolithic permanent magnetic steel；Alternatively, the carbon fiber strapping is disposably integrally located in permanent-magnet magnetic
On the cylindrical outer surface of steel.
Scheme 13, a kind of permanent magnetic coupling of adjustable speed of any one of them according to scheme 1-7, the clamp device are
Block the tooth button of the cylindrical outer surface of permanent magnetic steel.
Scheme 14, a kind of permanent magnetic coupling of adjustable speed of any one of them according to scheme 1-7, the clamp device are
Cagelike structure, the cagelike structure include conducting bar and the annular end ring positioned at conducting bar both ends, and the permanent magnetic steel is fastened on conducting bar
Between gap and annular end ring.
Scheme 15, a kind of permanent magnetic coupling of adjustable speed of any one of them according to scheme 1-7, the clamp device are
Grid type sleeve, the permanent magnetic steel are fastened under grid.
Through the above technical solutions, the utility model has the following technical effect that：
1, the utility model changes the thinking for using mechanical structure adjustment torque transfer size in the prior art, by outside
It is connected with the regulating mechanism that the current/voltage of the outer rotor armature winding can be adjusted on rotor, realizes and transmits torque
The change of size, simple in structure, small and maintenance are simple.
2, by plurality of optional permanent magnetic steel is fixed in fastening means to the utility model, ensure that permanent magnetic steel
Position is stablized, and ensure that turning the normal of group with armature in the course of work couples, and improves the safety coefficient of permanent magnetic coupling.
3, the regulating mechanism of the utility model includes converter plant, and the converter plant is by consuming or recycling slip power
Adjust the electric current of outer rotor armature winding.Consumption can also be consumed by winding internal consumption by outside；Recycling can be with
It is recovered to power grid, other electricity consumptions or energy storage device can also be recovered to.
4, the internal rotor of the utility model is coaxially positioned with correspondingly flange shaft sleeve by abutment sleeve, ensure that interior
The concentricity of rotor and drive shaft is efficiently reduced the variation of bolt installation site and made due to being connected with using articulation hole
At unbalancing value, and flange shaft sleeve and abutment sleeve are both provided with axial ledge, spiral shell when efficiently reducing high speed rotation
Bolt shears the resistance and noise of air.
Other feature and advantage of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide a further understanding of the present invention, an and part for constitution instruction, and following
Specific implementation mode be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings：
Fig. 1 is a kind of structural schematic diagram of the permanent magnetic coupling of adjustable speed of the utility model.
Reference sign
1 outer rotor
11 armature winding, 12 lead
13 electric slip ring, 14 carbon brush
2 internal rotors
21 permanent magnetic steel, 22 clamp device
3 regulating mechanisms
4 output shafts
5 flange shaft sleeves
6 drive shafts
7 abutment sleeves
Specific implementation mode
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific implementation mode is only used for describing and explaining the present invention, and is not intended to limit the utility model.
It is as shown in Figure 1 the permanent magnetic coupling of the adjustable speed of the utility model.The permanent magnetic coupling of the adjustable speed includes phase
The outer rotor 1 and internal rotor 2 of mutual coupling, the outer rotor 1 and the internal rotor 2 are core structure, the internal rotor 2 and position
The detachable coaxial connection of flange shaft sleeve 5 on the outside of it, the flange shaft sleeve 5 and the coaxial assembly of drive shaft 6, the outer rotor 1
With the coaxial assembly of output shaft 4.The outer rotor 1 is provided with armature winding 11, the armature winding 11 be connected with can to armature around
The regulating mechanism 3 that is adjusted of current/voltage of group, by the current/voltage to the armature winding 11 be adjusted to
Realize that the change of 4 level of torque of output shaft, the internal rotor 2 are provided with permanent magnetic steel 21 and the fastening for fixing permanent-magnet magnetic guiding principle
Device 22 forms electromagnetic coupling gap between the armature winding 11 of outer rotor 1 and the internal rotor permanent-magnetic magnet steel 21 of internal rotor 2.
The internal rotor 2 is coaxially positioned with the flange shaft sleeve 5 by abutment sleeve 7, and passes through articulation hole spiral shell
Bolt couples.The medial surface of abutment sleeve 7 carries out cooperation positioning with the flange of flange shaft sleeve 5 and the flange flange of internal rotor 2 simultaneously,
The resistance and noise of bolt shearing air when flange shaft sleeve and abutment sleeve are both provided with axial ledge to reduce high speed rotation.
The outside wall surface in the core structure of internal rotor 2, the cylinder of permanent magnetic steel 21 is arranged in the internal rotor permanent-magnetic magnet steel 21
Outer surface is fastened using high intensity nonferromugnetic material, for example, internal rotor magnetic steel is tied up using glass fibre or carbon fiber
The high intensity nonferromugnetic materials such as band are fastened.
The internal face in outer rotor 1 is arranged in the armature winding 11, and the armature winding 11 is connected with can be to armature winding
The regulating mechanism 3 that is adjusted of current/voltage, be adjusted to real by the current/voltage to the armature winding 11
The change of 4 level of torque of existing output shaft.Specifically, the lead 12 of armature winding 11 is connect with electric slip ring 13, the electric slip ring 13
It is rotated together with outer rotor 1 and output shaft 4, the electric slip ring 13 is slidably connected with carbon brush 14, the lead and tune of the carbon brush 14
Mechanism 3 is saved to be electrically connected.
Regulating mechanism 3 in the present embodiment can control the current or voltage of the armature winding, change existing
Using the thinking of mechanical structure adjustment torque transfer size in technology, dexterously by the way that armature winding is arranged and utilizes regulating mechanism
3, current/voltage therein is adjusted, to realize the change for transmitting level of torque, corresponding machinery need not be set and held
Row mechanism, therefore the transmission structures are simple, small and maintenance is simple.
Specifically, the preferably described regulating mechanism of the present embodiment includes converter plant and contravariant transformer, and introducing has controllably
The electric current of the outer rotor is adjusted in electromotive force, the amplitude for adjusting the controllable electric kinetic potential.The converter plant can pass through
Slip power is recycled or is consumed the electric current for adjusting the outer rotor, wherein consumption can be by winding internal consumption, can also
It is consumed by outside；Recycling can be recovered to power grid, can also be recovered to other electricity consumptions or energy storage device.Since there is no existing
In permanent-magnet speed governor technology in technology present on principle the problem of slip power loss fever, there is no need to radiator is arranged
Or complicated air-cooled, water-cooling system.
The converter plant of the present embodiment can also introduce controllable electric kinetic potential, adjust the electric current of the armature winding.I.e.
The armature winding of the present embodiment is connect with regulating mechanism, and a controllable electric kinetic potential is introduced in regulating mechanism and changes its amplitude,
The size that armature winding electric current can thus be adjusted also just controls the size of output torque to achieve the purpose that speed governing；
And the inevitable power that formed in winding loop that is introduced into of controllable electric kinetic potential transmits, this power transmission is two-way, can turn
Can also be the absorbed power from external circuit in poor power transmission to external circuit.This mode of speed regulation is from the angle that power transmits
From the point of view of degree, it is believed that be to realize the adjusting to exporting rotating speed with the size of control slip power and flow direction.Pass through such knot
Structure, permanent magnetic coupling are connected by electric slip ring, carbon brush with regulating mechanism and converter plant, slip power by converter plant,
By contravariant transformer feedback grid, whole recyclings has been obtained.Therefore, the present embodiment realizes tune truly
Speed is energy saving, and then solves the defect present in the prior art.
In the present invention, it is only necessary to which the armature winding circuit of the outer rotor is closed, and installs the internal rotor
Drive shaft with to install output shaft rotating Vortex, the rotating speed of outer rotor different, so that it may to generate electromagnetic torque, using simplicity,
Reliably.
In the present embodiment, when having relative motion between the internal rotor and the outer rotor, i.e., the described drive shaft and
Rotating speed is different between the output shaft, then the armature winding will produce cutting magnetic line in the magnetic field that the internal rotor generates
Raw induced electromotive force just will produce induced current in armature winding, there is electricity when the armature winding circuit is in unicom state
The armature winding of stream will work as electricity in the magnetic field that permanent magnetic steel generates by the effect of electromagnetic force to realize transmitting for torque
When pivot winding loop is off, although having the no induced current of induced potential in armature winding, because without generating
Electromagnetic torque.
As other optional embodiment, the current adjusting device includes microcontroller and control execution circuit.
As other optional embodiment, the clamp device is the carbon fiber for the cylindrical outer surface for being set to permanent magnetic steel
Strapping is tieed up, the carbon fiber strapping is located on the cylindrical outer surface of each monolithic permanent magnetic steel；Alternatively, the carbon fiber
Dimension strapping is disposably integrally located on the cylindrical outer surface of permanent magnetic steel.
As other optional embodiment, the clamp device is the tooth button for the cylindrical outer surface for blocking permanent magnetic steel.
As other optional embodiment, the clamp device is cagelike structure, which includes conducting bar and position
Annular end ring in conducting bar both ends, the permanent magnetic steel are fastened between the gap of conducting bar and annular end ring.
As other optional embodiment, the clamp device is grid type sleeve, and the permanent magnetic steel is fastened on grid
Under lattice.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail above in association with attached drawing
Detail in the above embodiment can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
It in the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (15)
1. a kind of permanent magnetic coupling of adjustable speed, which is characterized in that including：The outer rotor and internal rotor to intercouple, it is described outer
Rotor and the internal rotor are core structure, and the outer rotor includes armature winding, and the armature winding is connected with can be to electricity
The regulating mechanism that the current/voltage of pivot winding is adjusted；The internal rotor is provided with permanent magnetic steel and for fixing permanent-magnet magnetic
The clamp device of guiding principle；The internal rotor detachably coaxially couples with the flange shaft sleeve on the outside of it, the flange shaft sleeve and drive
Moving axis coaxially assembles.
2. a kind of permanent magnetic coupling of adjustable speed as described in claim 1, which is characterized in that the armature winding is arranged in institute
On the internal face for stating the core structure of outer rotor, the permanent magnetic steel is arranged in the outside wall surface of the core structure of internal rotor.
3. a kind of permanent magnetic coupling of adjustable speed as described in claim 1, which is characterized in that clamp device is arranged in permanent-magnet magnetic
On the cylindrical outer surface of steel.
4. a kind of permanent magnetic coupling of adjustable speed as described in claim 1, which is characterized in that the armature winding and it is described forever
Electromagnetic coupling air gap is provided between magnetic magnet steel.
5. a kind of permanent magnetic coupling of adjustable speed as described in claim 1, which is characterized in that the regulating mechanism includes passing through
Recycling or consumption slip power adjust the current adjusting device of electric current in the armature winding.
6. a kind of permanent magnetic coupling of adjustable speed as claimed in claim 5, which is characterized in that the current adjusting device includes
Adjust the controllable electric kinetic potential of electric current in the armature winding.
7. a kind of permanent magnetic coupling of adjustable speed as claimed in claim 5, which is characterized in that the current adjusting device includes
Microcontroller and control execution circuit.
8. such as a kind of permanent magnetic coupling of adjustable speed of any one of them of claim 1-7, which is characterized in that the adjusting machine
Structure connects the armature winding with carbon brush by electric slip ring.
9. a kind of permanent magnetic coupling of adjustable speed according to claim 8, which is characterized in that the armature winding includes iron
Core and the armature winding being wrapped in a manner of fractional-slot concentratred winding on the iron core；MgO-ZrO_2 brick q is 1/4~1/2.
10. a kind of permanent magnetic coupling of adjustable speed according to claim 9, which is characterized in that the armature winding is set as
Double Layer Winding or Single-layer Windings.
11. according to a kind of permanent magnetic coupling of adjustable speed of any one of them of claim 1-7, which is characterized in that described tight
It is fixedly mounted with the carbon fiber strapping for being set to the cylindrical outer surface for being set to permanent magnetic steel.
12. a kind of permanent magnetic coupling of adjustable speed according to claim 11, which is characterized in that the carbon fiber strapping
It is located on the cylindrical outer surface of each monolithic permanent magnetic steel；Alternatively, the carbon fiber strapping is disposably integrally located at
On the cylindrical outer surface of permanent magnetic steel.
13. according to a kind of permanent magnetic coupling of adjustable speed of any one of them of claim 1-7, which is characterized in that described tight
It is fixedly mounted with the tooth button for being set to the cylindrical outer surface for blocking permanent magnetic steel.
14. according to a kind of permanent magnetic coupling of adjustable speed of any one of them of claim 1-7, which is characterized in that described tight
It is fixedly mounted with and is set to cagelike structure, which includes conducting bar and the annular end ring positioned at conducting bar both ends, the permanent magnetic steel fastening
Between the gap of conducting bar and annular end ring.
15. according to a kind of permanent magnetic coupling of adjustable speed of any one of them of claim 1-7, which is characterized in that described tight
It is fixedly mounted with and is set to grid type sleeve, the permanent magnetic steel is fastened under grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721786449.0U CN207743845U (en) | 2017-12-19 | 2017-12-19 | A kind of permanent magnetic coupling of adjustable speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721786449.0U CN207743845U (en) | 2017-12-19 | 2017-12-19 | A kind of permanent magnetic coupling of adjustable speed |
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| Publication Number | Publication Date |
|---|---|
| CN207743845U true CN207743845U (en) | 2018-08-17 |
Family
ID=63118594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721786449.0U Active CN207743845U (en) | 2017-12-19 | 2017-12-19 | A kind of permanent magnetic coupling of adjustable speed |
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| Country | Link |
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| CN (1) | CN207743845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954543A (en) * | 2022-06-21 | 2022-08-30 | 西南交通大学 | Independent wheel pair guiding control structure and method introducing permanent magnetic electromagnetic coupler |
-
2017
- 2017-12-19 CN CN201721786449.0U patent/CN207743845U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954543A (en) * | 2022-06-21 | 2022-08-30 | 西南交通大学 | Independent wheel pair guiding control structure and method introducing permanent magnetic electromagnetic coupler |
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