CN202906719U - Permanent magnet driver - Google Patents
Permanent magnet driver Download PDFInfo
- Publication number
- CN202906719U CN202906719U CN 201220595346 CN201220595346U CN202906719U CN 202906719 U CN202906719 U CN 202906719U CN 201220595346 CN201220595346 CN 201220595346 CN 201220595346 U CN201220595346 U CN 201220595346U CN 202906719 U CN202906719 U CN 202906719U
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- Prior art keywords
- permanent magnet
- magnetic
- rotor
- base plate
- shaft
- 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
一种永磁驱动器，包含：一驱动转子，具有一基盘及数个永磁体，该基盘设有一轴接部以供连接一驱动轴，该数个永磁体结合于该基盘以形成一激磁区；及一被驱动转子，具有一转盘及一导磁环，该转盘设有一连轴部以供连接一负载轴，该导磁环结合于该转盘的一表面以形成一导磁区，且该连轴部对位于该导磁环中；其中，该驱动转子的激磁区与该被驱动转子的导磁区呈局部相对，且该驱动转子与该被驱动转子之间具有一感磁气隙。
A permanent magnet driver includes: a driving rotor with a base plate and a plurality of permanent magnets. The base plate is provided with a shaft joint for connecting a driving shaft. The plurality of permanent magnets are combined with the base plate to form a the excitation zone; and a driven rotor having a turntable and a magnetic conductive ring, the turntable is provided with a connecting shaft portion for connecting a load shaft, the magnetic conductive ring is combined with a surface of the turntable to form a magnetic conductive zone, and The coupling portion is aligned in the magnetic permeable ring; the excitation area of the driving rotor and the magnetic permeability area of the driven rotor are partially opposite, and there is a magnetic air gap between the driving rotor and the driven rotor.
Description
Technical field
The utility model is about a kind of driver, particularly a kind of permanent magnet drive that utilizes magnetic strength principle transmitting torque.
Background technology
Please refer to Fig. 1, existing permanent magnet drive 9 comprises a p-m rotor 9a and a magnetic conduction rotor 9b.This p-m rotor 9a has one first rotating disk 91, a shrouding disc 92 and several permanent magnets 93; This first rotating disk 91 is provided with a connecting shaft section 911 to connect for example rotating shaft of motor of a driving shaft SD(), this shrouding disc 92 is incorporated into the surface that this first rotating disk 91 does not arrange this connecting shaft section 911, and these several permanent magnet 93 clampings are positioned between this first rotating disk 91 and the shrouding disc 92, and these several permanent magnets 93 are radially arranging in the form of a ring along this first rotating disk 91.This magnetic conduction rotor 9b has one second rotating disk 94 and a magnetic conductive part 95; This second rotating disk 94 is provided with a connecting shaft section 941 to connect a bearing axle SL, this magnetic conductive part 95 is in conjunction with amplexiforming the surface that this connecting shaft section 941 is not set in this second rotating disk 94, and this magnetic conductive part 95 is the discoid bodies with good magnetic conductivity, and the shape of this magnetic conductive part 95 and size are then general corresponding with this shrouding disc 92.
Please cooperate with reference to Fig. 2, when this existing permanent magnet drive 9 was implemented, its p-m rotor 9a and magnetic conduction rotor 9b were coaxial relative form, and have a predeterminable range between this magnetic conductive part 95 and this shrouding disc 92 to form an air gap D.So, when this driving shaft SD drives this p-m rotor 9a rotation, can make in this magnetic conductive part 95 and produce vortex flow, and this vortex flow will produce dislike magnetic field on this magnetic conductive part 95, rotate with this p-m rotor 9a to spur this magnetic conduction rotor 9b, thereby realize torque transfer between this driving shaft SD and this bearing axle SL.
Wherein, considering permanent magnet 93 and magnetic conductive part 95 all is members of being made by expensive material, and therefore the size of this existing permanent magnet drive 9 is controlled at about tens of centimetres its diameter more.Yet, when this bearing axle SL wish connect be large-scale high capacity machine (for example diameter reaches the large rotating machine structure more than a meter) time, but because the corresponding magnitude setting that increases permanent magnet 93 of palpus, and the customized large-area magnetic conductive part 95 of palpus, do not have a commercial value so that the manufacturing cost of this existing permanent magnet drive 9 is too high, cause present industry still to select to pass through belt, the actuated elements such as gear or refining bar transmit torsion, drive large-scale high capacity machine rotation running by small-sized rotating power source according to this, thereby unavoidably must be in the face of every shortcoming of mechanical contact actuated element, for example high vibrations, highly energy-consuming, high abrasion, must regularly change running stores and high maintenance cost etc.
For these reasons, this existing permanent magnet drive 9 has necessity of being improved really.
The utility model content
Main purpose of the present utility model provides a kind of permanent magnet drive, can reduce manufacturing cost, to utilize magnetic strength principle transmitting torque, drives large-scale high capacity machine rotation running.
For reaching aforementioned purpose, the technology contents that the utility model uses includes:
A kind of permanent magnet drive comprises: one drives rotor, has a basal disc and several permanent magnets, and this basal disc is provided with an axis part for connecting a driving shaft, and these several permanent magnets are incorporated into this basal disc to form an excitatory district; And a driven rotor, having a rotating disk and a magnetic guiding loop, this rotating disk is provided with a connecting shaft section for connecting a bearing axle, and the surface that this magnetic guiding loop is incorporated into this rotating disk is forming a magnetic conduction district, and this connecting shaft section is to being arranged in this magnetic guiding loop; Wherein, the excitatory district of this driving rotor and the magnetic conduction district of this driven rotor are Local Phase pair, and have one between this driving rotor and this driven rotor and feel magnetic air gap.
Permanent magnet drive of the present utility model, wherein, the better outer peripheral edges place that is incorporated into contiguous this rotating disk of this magnetic guiding loop.
Permanent magnet drive of the present utility model, wherein, the axle center of the axis part of this basal disc is better for beyond the rotating range that is positioned at this rotating disk.
Permanent magnet drive of the present utility model, wherein, two clip wheels that are oppositely arranged can support rotationally respectively and be affixed on this magnetic guiding loop and this rotating disk.Again, these two clip wheels can be respectively by the support pedestal that is connected to.
Permanent magnet drive of the present utility model, wherein, these several permanent magnets are better to be the isogonism annular arrangement and to distribute centered by the axis part of this basal disc.
The utility model provides a kind of permanent magnet drive in addition, comprises: one drives rotor, has a basal disc and several permanent magnets, and this basal disc is provided with an axis part, and these several permanent magnets are incorporated into this basal disc to form an excitatory district; And driven rotor, have a rotating disk and two magnetic guiding loops, this rotating disk comprises two disk bodies coaxial and relative spacing arranges, these two disk bodies are respectively equipped with a connecting shaft section, these two magnetic guiding loops are incorporated into respectively the relative surface of these two disk bodies forming two magnetic conduction districts, and this connecting shaft section is to being arranged in corresponding magnetic guiding loop; Wherein, the excitatory district of this driving rotor is Local Phase pair with two magnetic conduction districts of this driven rotor simultaneously, and has respectively one between this driving rotor and this two disk bodies and feel magnetic air gap.
Permanent magnet drive of the present utility model, wherein, the better outer peripheral edges place that is incorporated into respectively contiguous these two disk bodies of these two magnetic guiding loops.
Permanent magnet drive of the present utility model, wherein, the axle center of the axis part of this basal disc is to beyond the rotating range that is positioned at these two disk bodies.
Permanent magnet drive of the present utility model wherein, can be linked to each other by several distance pieces between the relative surface of these two disk bodies.
Permanent magnet drive of the present utility model, wherein, two clip wheels that are oppositely arranged can support rotationally respectively and be affixed on the surface that these two disk bodies do not arrange this magnetic guiding loop.Again, these two clip wheels can be respectively by the support pedestal that is connected to.
Useful technique effect of the present utility model is, permanent magnet drive of the present utility model, system is that the magnetic conduction district by the excitatory district that makes this driving rotor and this driven rotor is Local Phase pair, make the magnetic conductor of this driven rotor only need be set as ring-type, can utilize the magnetic strength principle transmitting torque between permanent magnet and the magnetic conductor, drive rotor by this and drive this driven rotor, make this permanent magnet drive can drive large-scale high capacity machine rotation running; So, not only needn't customized large-area magnetic conductor, also needn't increase the magnitude setting of permanent magnet, and can make this permanent magnet drive keep rational manufacturing cost, have simultaneously again the transmission of on-mechanical contact energy-efficient, be easy to install, the advantages such as tolerable centering error and low maintenance cost.
Description of drawings
Fig. 1: the three-dimensional exploded view of existing permanent magnet drive.
Fig. 2: the floor map of existing permanent magnet drive.
Fig. 3: the combined planar schematic diagram of the utility model the first embodiment.
Fig. 4: the three-dimensional exploded view of the utility model the first embodiment.
The profile of Fig. 5: Figure 35-5 hatching line.
The profile of Fig. 6: Figure 36-6 hatching line.
Fig. 7: the structural representation of the utility model the second embodiment.
[main element symbol description]
(the utility model)
1 drives rotor 11 basal discs
111 axis parts, 112 storage tanks
113 envelope magnetic sections, 12 permanent magnets
13 shrouding discs, 131 storage tanks
2 driven rotor 21 rotating disks
211 connecting shaft sections, 22 magnetic guiding loops
3 clip wheels
4 supports
5 pedestals
6 driven rotor 61 rotating disks
611 disk bodies, 612 connecting shaft sections
613 distance pieces, 62 magnetic guiding loops
SD driving shaft SL bearing axle
The excitatory district of A B, B ' magnetic conduction district
G feels magnetic air gap
(prior art)
9 permanent magnet drive 9a p-m rotors
9b magnetic conduction rotor 91 first rotating disks
911 connecting shaft sections, 92 shrouding discs
93 permanent magnets, 94 second rotating disks
941 connecting shaft sections, 95 magnetic conductive parts
SD driving shaft SL bearing axle
The D air gap.
Embodiment
For above-mentioned and other purpose of the present utility model, feature and advantage can be become apparent, preferred embodiment of the present utility model cited below particularly, and cooperation accompanying drawing are described in detail below:
The driving shaft of the utility model the following stated refers to the output shaft of a rotating power source, and this rotating power source can for example be motor, can understand for being familiar with this skill person; This driving shaft is can connect and the person that drives the rotor.
The bearing axle of the utility model the following stated refers to the rotary power power shaft of a load device, and to be driven this load device rotation by this bearing axle, this load device can for example be the rotating shaft of large-scale high capacity machine, can understand for being familiar with this skill person; This bearing axle is to connect a driven rotor, to drive the revolver by this driven rotor.
The sense magnetic air gap of the utility model the following stated refers to that one drives rotor when relative with a driven rotor, the beeline between its apparent surface, and should the driving rotor and driven rotor when in this air gap scope, producing relative motion, but phase mutual inductance magnetic.
Please refer to Fig. 3,4, the permanent magnet drive of the utility model the first embodiment includes one and drives rotor 1 and a driven rotor 2,1 pair of this driving rotor is positioned at the outer peripheral edges place of contiguous this driven rotor 2, drives this driven rotor 2 rotations to be driven rotor 1 by this.
This driving rotor 1 comprises a basal disc 11 and several permanent magnets 12, and these several permanent magnets 12 are incorporated into this basal disc 11 and can cooperate with reference to Fig. 5 to form an excitatory district A(); Wherein, can firmly be incorporated into this basal disc 11 for guaranteeing these several permanent magnets 12, in embodiment as shown in Figure 4, this driving rotor 1 is provided with a shrouding disc 13 in addition, so that these several permanent magnet 12 clampings are positioned between this basal disc 11 and the shrouding disc 13.
In more detail, it is one discoid and have two relative surfaces that this basal disc 11 can generally be, and this basal disc 11 has an axis part 111, and this axis part 111 can be that the wherein surface by this basal disc 11 protrudes out and forms.Another surface of this basal disc 11 then can be arranged with several storage tanks 112, for accommodating these several permanent magnets 12; The rare-earth oxide of this permanent magnet 12 for having obvious magnetic respectively, general common various permanent magnets for example, the better neodymium iron boron soil magnet with strong magnetic suction that may be selected to be.Wherein, because two adjacent permanent magnets 12 must be with the opening of different magnetic pole strength towards this storage tank 112, so the quantity of this storage tank 112 is preferably even number, and distribute along the isogonism annular arrangement that radially is of this basal disc 11, make this driving rotor 1 that uniform magnetic field can be provided.In addition, this basal disc 11 can also be provided with an envelope magnetic section 113, and this envelope magnetic section 113 is that the periphery by this axis part 111 radially extends to form, and this envelope magnetic section 113 can select not have a material of magnetic conductivity by iron and steel etc. and make, can prevent that respectively the magnetic force of this permanent magnet 12 penetrates, so as to reaching the effect of envelope magnetic.
One surface of this shrouding disc 13 also is concaved with several storage tanks 131.This shrouding disc 13 can be incorporated into this basal disc 11, and the storage tank 131 of this shrouding disc 13 can be relative with the storage tank 112 of this basal disc 11, with these several permanent magnets 12 of coating clamping, but makes these several permanent magnet 12 strong fixs between this basal disc 11 and shrouding disc 13.
Referring again to Fig. 3,4, this driven rotor 2 comprises a rotating disk 21 and a magnetic guiding loop 22.This rotating disk 21 is to be made and can be sealed magnetic by material that can't magnetic conduction, and better the selection made by iron and steel, to have good mechanical strength.This rotating disk 21 can generally be a disk, and these rotating disk 21 better empty shapes of basket that can be are with weight reduction and saving material cost, and this rotating disk 21 is provided with a connecting shaft section 211, and this rotating disk 21 has two relative surfaces.This magnetic guiding loop 22 is made by the good material of magnetic conductivity (such as copper or aluminium etc.), and this magnetic guiding loop 22 is in conjunction with amplexiforming in a surface of this rotating disk 21 to form a magnetic conduction district B, and makes 211 pairs in this connecting shaft section be arranged in this magnetic guiding loop 22; These magnetic guiding loop 22 better outer peripheral edges places of selecting to be incorporated into contiguous this rotating disk 21.
Please refer to Fig. 3,5, during assembling, this driving rotor 1 can be connected to a driving shaft SD by this axis part 111,2 of this driven rotors are connected to a bearing axle SL by this connecting shaft section 211, and the magnetic conduction district B of the excitatory district A that makes this driving rotor 1 and this driven rotor 2 is Local Phase pair, and makes and have one between this driving rotor 1 and this driven rotor 2 and feel magnetic air gap G.Wherein, the axle center of the better axis part 111 that makes this driving rotor 1 is to beyond the rotating range that is positioned at this rotating disk 21, avoid according to this upwards being in the footpath of this basal disc 11 two permanent magnets 12 that are oppositely arranged, provide tangential direction opposite pulling force to this magnetic guiding loop 22 simultaneously, thereby be maintained the smooth and easy rotation of this driven rotor 2.In addition, please cooperate with reference to Fig. 6, two clip wheels 3 that relatively arrange can support rotationally respectively and be affixed on this magnetic guiding loop 22 and this rotating disk 21, this two clip wheel 3 can be respectively by a support 4 pedestal 5 that is connected to.
According to by aforementioned structure, when permanent magnet drive of the present utility model is implemented, can drive this driving rotor 1 rotation by this driving shaft SD, with in the opposite position of this excitatory district A and magnetic conduction district B, the motion of borrowing these permanent magnet 12 relative these magnetic guiding loops 22 to produce makes in this magnetic guiding loop 22 and produces vortex flow, and this vortex flow will produce dislike magnetic field on this magnetic guiding loop 22, continue to produce local pulling force with the outer peripheral edges place in this driven rotor 2, and this driven rotor 2 of drawing rotates.Simultaneously, by the outer peripheral edges that this magnetic guiding loop 22 are arranged at contiguous this driven rotor 2, even if make this magnetic guiding loop 22 only be subject to a small amount of drawing gravitation, also can be long to this bearing axle SL transmitting large torque because of the arm of force, drive easily according to this this driven rotor 2 and rotate.
On the other hand, because magnetic guiding loop 22 and the distance between this bearing axle SL of this driven rotor 2 are very large, when this driven rotor 2 is rotated, more or less peripheral region produces rocking slightly outside, adds that the magnetic conduction air gap G size between this driving rotor 1 and the driven rotor 2 is very little (only about 1 ~ 5 millimeter); For the outer peripheral edges place that avoids this driven rotor 2 makes this magnetic guiding loop 22 these driving rotors 1 of bump because rocking, when this driven rotor 2 rotates, clip relative both sides in this driven rotor 2 by this two clip wheel 3, the effect of supplemental pilot can be provided, reduce the amplitude of rocking, make this driven rotor 2 more firmly rotate, and make this magnetic conduction air gap G be maintained default size, with the stable delivery moment of torsion.
Please refer to Fig. 7, it discloses the permanent magnet drive of the utility model the second embodiment, this permanent magnet drive comprises driving rotor 1 and a driven rotor 6 roughly the same with aforementioned the first embodiment equally, so then repeat no more for the present embodiment part identical with the first example structure.
In embodiment as shown in Figure 7, axis part 111 peripheries of this driving rotor 1 no longer arrange an envelope magnetic section 113, and making respectively, the magnetic force of this permanent magnet 12 is able to two-way this basal disc 11 that penetrates.This driven rotor 6 comprises a rotating disk 61 and two magnetic guiding loops 62.This rotating disk 61 is to be made by sealed magnetic material that can't magnetic conduction, and better the selection made by iron and steel, to have good mechanical strength.This rotating disk 61 can comprise two disk bodies 611, these two disk bodies, 611 better empty shapes of basket that can be are with weight reduction and saving material cost, this two disk body 611 is respectively equipped with a connecting shaft section 612, to be run through by a bearing axle SL, make this two disk body 611 be coaxial and the relative spacing setting, this two disk body 611 is then linked to each other by several distance pieces 613 between the relative surface, makes between this two disk body 611 and can keep suitable spacing.This two magnetic guiding loop 62 all is to be made by magnetic conductivity good material (such as copper or aluminium etc.), this two magnetic guiding loop 62 is respectively in conjunction with amplexiforming in the relative surface of this two disk body 611, and form respectively a magnetic conduction district B ', and make 612 pairs in this connecting shaft section be arranged in corresponding magnetic guiding loop 62; These two magnetic guiding loops, 62 better outer peripheral edges places of selecting to be incorporated into contiguous this two disk body 611.
During assembling, this driving rotor 1 can partly stretch in the relative space of this two disk body 611, and the excitatory district A that makes this driving rotor 1 is Local Phase pair with two magnetic conduction district B ' of this driven rotor 6 simultaneously, and makes and have respectively one between this drivings rotor 1 and this two disk body 611 and feel magnetic air gap G.So, when permanent magnet drive of the present utility model is implemented, can drive this driving rotor 1 rotation by this driving shaft SD, with in the opposite position of this excitatory district A and two magnetic conduction district B ', the motion of borrowing these permanent magnet 12 relative these two magnetic guiding loops 62 to produce, make in this two magnetic guiding loop 62 and produce vortex flow, and this vortex flow will produce dislike magnetic field on this two magnetic guiding loop 62, to continue to produce local pulling force in the outer peripheral edges place of this two disk body 611; Accordingly, this drives simultaneously these two magnetic guiding loops, 62 rotations of drawing of rotor 1, thereby promotes this driving shaft SD transmitting torque to the efficient of this bearing axle SL, makes this driven rotor 6 easier being driven in rotation.
On the other hand, when avoiding this driven rotor 6 to rotate, these two disk bodies, 611 relative outer peripheral edges places make this two magnetic guiding loops, 62 these driving rotors 1 of bump because rocking, present embodiment is provided with two relative clip wheels 3 equally, this two clip wheel 3 can support rotationally respectively and be affixed on the surface that this two disk body 611 does not arrange this magnetic guiding loop 62, when this driven rotor 6 is rotated, can relatively be clipped by this two clip wheel 3, so that the effect of supplemental pilot to be provided, reduce the amplitude of rocking, make this driven rotor 6 more firmly rotate.
Permanent magnet drive of the present utility model is the magnetic strength principle of utilizing between permanent magnet and the magnetic conductor, drive rotor by this and drive this driven rotor, therefore, though the utility model is in previous embodiment, all select permanent magnet is arranged at this driving rotor, magnetic conductor is arranged at this driven rotor, but not as limit; That is, also can select magnetic conductor is arranged at this driving rotor, permanent magnet is arranged at this driven rotor, be that affiliated technical field personnel are understandable.
In sum, permanent magnet drive of the present utility model, that magnetic conduction district by the excitatory district that makes this driving rotor and this driven rotor is Local Phase pair, make the magnetic conductor of this driven rotor only need be set as ring-type, can utilize the magnetic strength principle transmitting torque between permanent magnet and the magnetic conductor, drive rotor by this and drive this driven rotor, make this permanent magnet drive can drive large-scale high capacity machine rotation running; So, not only needn't customized large-area magnetic conductor, also needn't increase the magnitude setting of permanent magnet, and can make this permanent magnet drive keep rational manufacturing cost, have simultaneously again the transmission of on-mechanical contact energy-efficient, be easy to install, the advantages such as tolerable centering error and low maintenance cost.
Just above-described, only be preferred embodiment of the present utility model, when not limiting the utility model practical range with this; So all simple equivalences of doing according to the utility model claim and creation description change and modify, all should still belong in the scope that the utility model patent contains.
Claims (12)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101214279U TWM441039U (en) | 2012-07-24 | 2012-07-24 | Permanent magnet drive |
| TW101214279 | 2012-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202906719U true CN202906719U (en) | 2013-04-24 |
Family
ID=47717409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220595346 Expired - Fee Related CN202906719U (en) | 2012-07-24 | 2012-11-13 | Permanent magnet driver |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202906719U (en) |
| TW (1) | TWM441039U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124087A (en) * | 2017-05-17 | 2017-09-01 | 夏朝胜 | Magnetic motivation rotor and magnetic motivation |
| CN106953549B (en) * | 2017-05-17 | 2021-09-10 | 夏朝胜 | Magnetic motor manufacturing method and magnetic motor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI605667B (en) * | 2016-09-01 | 2017-11-11 | 建準電機工業股份有限公司 | Inner-rotor type motor and rotor thereof |
-
2012
- 2012-07-24 TW TW101214279U patent/TWM441039U/en not_active IP Right Cessation
- 2012-11-13 CN CN 201220595346 patent/CN202906719U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124087A (en) * | 2017-05-17 | 2017-09-01 | 夏朝胜 | Magnetic motivation rotor and magnetic motivation |
| CN106953549B (en) * | 2017-05-17 | 2021-09-10 | 夏朝胜 | Magnetic motor manufacturing method and magnetic motor |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM441039U (en) | 2012-11-11 |
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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: 20130424 Termination date: 20161113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |