CN205123536U - Salient pole halbach composite permanet magnet rotating electrical machines - Google Patents
Salient pole halbach composite permanet magnet rotating electrical machines Download PDFInfo
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- CN205123536U CN205123536U CN201520963265.1U CN201520963265U CN205123536U CN 205123536 U CN205123536 U CN 205123536U CN 201520963265 U CN201520963265 U CN 201520963265U CN 205123536 U CN205123536 U CN 205123536U
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Abstract
The utility model belongs to the electric machines and electric apparatus field, concretely relates to salient pole halbach composite permanet magnet rotating electrical machines, include rotor and the stator that corresponds with the rotor, the rotor comprises the compound array of salient pole halbach, the compound array of salient pole halbach includes compound array of individual layer salient pole halbach and or the compound array of double -deck salient pole halbach, salient pole magnet array surface is hugged closely the halbach magnet array and is set up the compound array of constitution individual layer salient pole halbach, the setting of at least a set of halbach magnet array is hugged closely respectively on salient pole magnet array both sides surface, constitute the compound array of double -deck salient pole halbach. The utility model discloses utilize halbach magnet array characteristics, arrange the salient pole magnet array in strong magnetic domain of halbach magnet array or weak magnetic domain, form salient pole halbach permanent -magnet machine with the stator winding cooperation, can reduce salient pole magnet array magnetic leakage by a wide margin or even eliminate completely, under the same volume and the manufacturing cost, can increase the power of motor by a wide margin and exert oneself, or under the same power, reduce the size of the electric machine by a wide margin and make use cost, the high -power permanent -magnet machine engineering application occasion of specially adapted.
Description
Technical field
The utility model belongs to Electric Machines and Electric Apparatus field, is specifically related to salient pole halbach composite permanet magnet electric rotating machine.
Background technology
Magneto is widely used in all trades and professions, and magneto has polytype.The rotor magnetic circuit structural such as surface-type (be divided into surperficial convex type, surperficial plug-in type not only), built-in (but also be divided into radial, tangential, hybrid etc.) can be divided into by the arrangement of rotor permanent magnet, former structure is simple, but equivalent electric magnetic air gap is large, power density is lower, can not self-starting, the latter's power density is larger, but leakage field is also larger, need to arrange special in magnetic bridge restriction leakage field, complex structure, all cause the problems such as the power density of motor is low, permanent magnet utilance is not high, and motor volume is large, and manufacturing cost and use cost is high.
Utility model content
The technical problems to be solved in the utility model is that existing magneto power output is low, volume large, high in cost of production engineering problem, for solving the problem, adopts salient pole halbach composite permanet magnet electric rotating machine new structure.
For achieving the above object, by the following technical solutions:
Salient pole halbach composite permanet magnet electric rotating machine, comprise rotor and the stator corresponding with rotor, between stators and rotators, there is air gap, described rotor is made up of salient pole halbach composite array, salient pole halbach composite array comprise individual layer salient pole halbach composite array and or double-deck salient pole halbach composite array, salient pole magnet array surperficial being close to not with yoke portion or band yoke portion is with yoke portion or the halbach magnet array not with yoke portion to arrange formation individual layer salient pole halbach composite array, salient pole magnet array both side surface is close at least one group of halbach magnet array respectively and is arranged, form double-deck salient pole halbach composite array, salient pole magnet array replaces attachment by magnetic conduction noseiron and circumferential magnet and forms, the circumferential magnet of noseiron both sides forms the noseiron pole of poly-magnetic on noseiron, halbach magnet array replaces attachment by normal direction magnet and longitudinal magnet and forms, rotor and corresponding stator coordinate and form salient pole halbach composite permanet magnet electric rotating machine.
Noseiron in rotor with salient pole magnet array, the cross section of circumferential magnet be rectangle, trapezoidal, triangle, " convex " font, " work " font, " in " font or " ten " font, the normal direction magnet in halbach magnet array and the cross section of longitudinal magnet be rectangle, trapezoidal, triangle, " work " font, " in " font or " ten " font.
At least one open slot is offered on noseiron surface in rotor with salient pole magnet array, is provided with tongue magnet in open slot, and tongue magnet surface polarity is consistent with corresponding noseiron surface polarity.
Rotor noseiron is provided with at least one electric conductor, the lateral ends of electric conductor is connected by conducting ring or conducting strip.
Rotor noseiron is provided with at least one cavity, is provided with electric conductor in cavity, the electric conductor lateral ends on each noseiron is connected by conducting ring or conducting strip; Or lay on the surface of noseiron or connect one deck and connect thin slice, each noseiron is connected to each other to an entirety, connecting thin slice is magnetic conduction thin slice or conductive foil or magnetic conduction conduction compound foil or the magnetic conduction teeth groove thin slice for trough of belt, the embedded electric conductor of groove, electric conductor lateral ends is connected by conducting ring or conducting strip.
Described circumferential magnet, normal direction magnet and longitudinal magnet are permanent magnet, superconducting magnet or electric excitation body.
Salient pole halbach composite permanet magnet rotary motor rotor salient pole halbach composite array has at least one group of noseiron or noseiron to be connected by connector with two lateral ends in yoke portion, forms unified salient pole halbach composite array.
The monolateral rotor that two groups of described individual layer salient pole halbach composite arrays are formed or two groups of monolateral stators are provided separately face-to-face, arrange corresponding bimorph transducer or double-sided rotor in the middle of both, form double-flanged end individual layer salient pole halbach composite permanet magnet electric rotating machine.
Outside described double-flanged end individual layer salient pole halbach composite permanet magnet electric rotating machine, the lateral ends connector of two monolateral rotors links into an integrated entity, and centre is stator, forms U-shaped individual layer salient pole halbach composite permanet magnet electric rotating machine.
Rotor is arranged at stator exterior, and rotor with salient pole halbach composite array is towards stator winding, and both keep gap, becomes outer-rotor type salient pole halbach composite permanet magnet electric rotating machine.
One in rotor and stator as fixed stator department, another one is as rotating rotor portions.
The utility model utilizes that magnetic field, halbach magnet array strong magnetic area is very strong, the feature of magnetic field, weak magnetic area very weak (namely leakage field is very little), salient pole magnet array is arranged in halbach magnet array strong magnetic area or weak magnetic area, coordinate with stator winding and form salient pole halbach magneto, salient pole magnet array leakage field significantly can be reduced and eliminate even completely, under same volume and manufacturing cost, significantly can increase power of motor and exert oneself, or under equal-wattage, significantly reduce motor volume and manufacture use cost, being specially adapted to high-power permanent magnet motor engineer applied occasion.
Accompanying drawing explanation
Fig. 1 is the utility model rotor with salient pole halbach composite array structural representation one;
Fig. 2 is the utility model rotor with salient pole halbach composite array structural representation two;
Fig. 3 is the utility model rotor with salient pole halbach composite array structural representation three;
Fig. 4 is the utility model rotor with salient pole halbach composite array structural representation four;
Fig. 5 is the utility model rotor with salient pole halbach composite array structural representation five;
Fig. 6 is rotor with salient pole magnet array structure structural representation six;
Fig. 7 is rotor with salient pole magnet array structure structural representation seven;
Fig. 8 is rotor with salient pole magnet array structure structural representation eight;
Fig. 9 is rotor with salient pole magnet array structure structural representation nine;
Figure 10 is rotor with salient pole magnet array structure structural representation ten;
Figure 11 is rotor halbach magnet array structural representation 11;
Figure 12 is rotor halbach magnet array structural representation 12;
Figure 13 is rotor halbach magnet array structural representation 13;
Figure 14 is rotor halbach magnet array structural representation 14;
Figure 15 is rotor halbach magnet array structural representation 15;
Figure 16 is the electric rotating machine structural scheme of mechanism 16 of rotor with salient pole halbach composite array composition;
Figure 17 is the electric rotating machine structural scheme of mechanism 17 of salient pole halbach composite array composition;
Figure 18 is the electric rotating machine structural scheme of mechanism 18 of salient pole halbach composite array composition;
In figure, 1. stator; 2. rotor; 3. noseiron; 4. normal direction magnet; 5. circumferential magnet; 6. longitudinal magnet; 8. tongue magnet; 9. yoke portion; 11. connect thin slice; 12. electric conductors.
Embodiment
As shown in Fig. 1-Figure 14, rotor 2 radius shown in figure is infinitely great.Figure 1 shows that rotor with salient pole halbach composite array structural representation one of the present utility model.In figure, described salient pole permanent magnetism halbach composite array is made up of salient pole magnet array and halbach magnet array, salient pole magnet array is by magnetic conduction noseiron 3, circumferential magnet 5 alternately mounts composition, the magnetizing direction of adjacent circumferential magnet 5 is relative or deviate from, adjacent noseiron 3 forms N, the magnetic pole of S alternating polarity, halbach magnet array is by normal direction magnet 4, longitudinal magnet 6 alternately mounts composition, the magnetizing direction of adjacent normal direction magnet 4 or longitudinal magnet 6 is contrary, described salient pole magnet array is close to surface, halbach magnet array strong magnetic area, noseiron 3 in salient pole magnet array, circumferential magnet 5 and the normal direction magnet 4 in halbach magnet array, longitudinal magnet 6 one_to_one corresponding.Wherein, be longitudinally noseiron 3 surface tangent direction or the direction of motion, normal direction is noseiron 3 centerline direction or air gap direction, is laterally the direction perpendicular to longitudinal direction and normal direction.
Figure 2 shows that in rotor with salient pole halbach composite array structural representation two, figure of the present utility model, salient pole magnet array is close to band and is magnetic or the surface, halbach magnet array strong magnetic area in non magnetic yoke portion 9 arranges and forms individual layer salient pole halbach composite array.All the other structures are identical with Fig. 1.
Figure 3 shows that in rotor with salient pole halbach composite array structural representation three, figure of the present utility model, band is magnetic or the salient pole magnet array in non magnetic yoke portion 9 is close to surface, halbach magnet array weak magnetic area and is arranged and form individual layer salient pole halbach composite array.All the other structures are identical with Fig. 1.
Figure 4 shows that in rotor with salient pole halbach composite array structural representation four, figure of the present utility model, described salient pole magnet array both side surface is close to respectively and is arranged one group of halbach magnet array, forms double-deck salient pole halbach composite array.All the other structures are identical with Fig. 1.
Figure 5 shows that in rotor with salient pole halbach composite array structural representation five, figure of the present utility model, at least one open slot is offered on noseiron 3 surface in described salient pole magnet array, embeds the tongue magnet 8 consistent with noseiron 3 polarity in groove.All the other structures are identical with Fig. 1.
Fig. 6-Figure 10 shows that rotor with salient pole magnet array structural representation six-Tu ten of the present utility model, noseiron 3 in salient pole magnet array, the cross section of circumferential magnet 5 are rectangle or isosceles trapezoid or triangle or " convex " shape or their combining structure, Figure 11-Figure 15 is the magnet array structural representation 11-Tu 15 in halbach magnet array of the present utility model, in figure, the normal direction magnet 4 in halbach magnet array, the cross section of longitudinal magnet 6 are rectangle or isosceles trapezoid or triangular structure.
Figure 16 shows that salient pole halbach composite permanet magnet rotary motor configuration schematic diagram 16 of the present utility model, using rotary-type salient pole permanent magnetism halbach composite array as rotor, coordinate with stator winding and form salient pole halbach permanent magnet rotating machine.
Figure 17, Figure 18 shows that salient pole halbach composite permanet magnet rotary motor configuration schematic diagram 17 of the present utility model, figure 18, the surface of the noseiron 3 in this rotary-type salient pole permanent magnetism halbach composite array is laid or is connected one deck and connects thin slice 11, in circumferential magnet 5 and noseiron 3 are enclosed in, and each noseiron 3 is connected to each other to an entirety, connecting thin slice 11 is magnetic conduction thin slice or conductive foil, or be the band open slot of the embedded electric conductor 12 of groove or the magnetic conduction teeth groove thin slice of semi-enclosed slot or closed slot, in groove, each embedded electric conductor 12 is connected by end short-circuited conducting sleeve.Wherein, Figure 17 connects the magnetic conduction teeth groove thin slice schematic diagram that thin slice is the embedded electric conductor of groove, and it is magnetic conduction thin slice or conductive foil schematic diagram that Figure 18 connects thin slice.
Above-mentioned salient pole permanent magnetism halbach composite array, can be connected the connector of two of noseiron 3 lateral ends by corresponding side with magnetic or non magnetic yoke portion, forms firm unified salient pole permanent magnetism halbach composite array.
In above-described embodiment, described magnet can adopt permanent magnet, or superconducting magnet, or electric excitation body, determines according to concrete needs.In general, the preferential strong magnetic permanent-magnet adopting NdFeB material to make.
Because salient pole halbach magneto described in the utility model takes full advantage of the characteristics and advantages of halbach magnet array and noseiron pole array, the leakage field in region, rotor 2 yoke portion is effectively suppressed, except rotor 2 is with except the inevitable leakage field of air gap surface near zone, rotor 2 interior zone does not have leakage field or leakage field very little in theory, therefore, permanent magnet utilance and motor energy index can significantly improve.Better solve existing magneto to exert oneself little, the engineering constraint application bottleneck problem such as cost is high, volume is large.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection range of the present utility model.
Claims (11)
1. salient pole halbach composite permanet magnet electric rotating machine, comprise rotor and the stator corresponding with rotor, between stators and rotators, there is air gap, it is characterized in that: described rotor is made up of salient pole halbach composite array, salient pole halbach composite array comprise individual layer salient pole halbach composite array and or double-deck salient pole halbach composite array, salient pole magnet array surperficial being close to not with yoke portion or band yoke portion is with yoke portion or the halbach magnet array not with yoke portion to arrange formation individual layer salient pole halbach composite array, salient pole magnet array both side surface is close at least one group of halbach magnet array respectively and is arranged, form double-deck salient pole halbach composite array, salient pole magnet array replaces attachment by magnetic conduction noseiron and circumferential magnet and forms, the circumferential magnet of noseiron both sides forms the noseiron pole of poly-magnetic on noseiron, halbach magnet array replaces attachment by normal direction magnet and longitudinal magnet and forms, rotor and corresponding stator coordinate and form salient pole halbach composite permanet magnet electric rotating machine.
2. salient pole halbach composite permanet magnet electric rotating machine according to claim 1, it is characterized in that: the noseiron in rotor with salient pole magnet array, the cross section of circumferential magnet be rectangle, trapezoidal, triangle, " convex " font, " work " font, " in " font or " ten " font, the normal direction magnet in halbach magnet array and the cross section of longitudinal magnet be rectangle, trapezoidal, triangle, " work " font, " in " font or " ten " font.
3. salient pole halbach composite permanet magnet electric rotating machine according to claim 2, it is characterized in that: at least one open slot is offered on the noseiron surface in rotor with salient pole magnet array, be provided with tongue magnet in open slot, tongue magnet surface polarity is consistent with corresponding noseiron surface polarity.
4. salient pole halbach composite permanet magnet electric rotating machine according to claim 3, it is characterized in that: rotor noseiron is provided with at least one electric conductor, the lateral ends of electric conductor is connected by conducting ring or conducting strip.
5. salient pole halbach composite permanet magnet electric rotating machine according to claim 4, it is characterized in that: rotor noseiron is provided with at least one cavity, be provided with electric conductor in cavity, the electric conductor lateral ends on each noseiron is connected by conducting ring or conducting strip; Or lay on the surface of noseiron or connect one deck and connect thin slice, each noseiron is connected to each other to an entirety, connecting thin slice is magnetic conduction thin slice or conductive foil or magnetic conduction conduction compound foil or the magnetic conduction teeth groove thin slice for trough of belt, the embedded electric conductor of groove, electric conductor lateral ends is connected by conducting ring or conducting strip.
6. according to the salient pole halbach composite permanet magnet electric rotating machine described in claim 4, it is characterized in that: described circumferential magnet, normal direction magnet and longitudinal magnet are permanent magnet, superconducting magnet or electric excitation body.
7. the salient pole halbach composite permanet magnet electric rotating machine according to claim arbitrary in claim 1-6, it is characterized in that: rotor with salient pole halbach composite array has at least one group of noseiron or noseiron to be connected by connector with two lateral ends in yoke portion, forms unified salient pole halbach composite array.
8. according to salient pole halbach composite permanet magnet electric rotating machine according to claim 7, it is characterized in that: the monolateral rotor that two groups of described individual layer salient pole halbach composite arrays are formed or two groups of monolateral stators are provided separately face-to-face, in the middle of both, corresponding bimorph transducer or double-sided rotor are set, form double-flanged end individual layer salient pole halbach composite permanet magnet electric rotating machine.
9. salient pole halbach composite permanet magnet electric rotating machine according to claim 8, it is characterized in that: outside described double-flanged end individual layer salient pole halbach composite permanet magnet electric rotating machine, the lateral ends connector of two monolateral rotors links into an integrated entity, centre is stator, forms U-shaped individual layer salient pole halbach composite permanet magnet electric rotating machine.
10. salient pole halbach composite permanet magnet electric rotating machine according to claim 7, it is characterized in that: rotor is arranged at stator exterior, rotor with salient pole halbach composite array is towards stator winding, and both keep gap, becomes outer-rotor type salient pole halbach composite permanet magnet electric rotating machine.
11. salient pole halbach composite permanet magnet electric rotating machines according to claim 10, is characterized in that: one in rotor and stator as fixed stator department, another one is as rotating rotor portions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520963265.1U CN205123536U (en) | 2015-11-30 | 2015-11-30 | Salient pole halbach composite permanet magnet rotating electrical machines |
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| CN201520963265.1U CN205123536U (en) | 2015-11-30 | 2015-11-30 | Salient pole halbach composite permanet magnet rotating electrical machines |
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| CN205123536U true CN205123536U (en) | 2016-03-30 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305756A (en) * | 2015-11-30 | 2016-02-03 | 河南理工大学 | Salient-pole halbach composite permanent magnet rotation motor |
| CN106712338A (en) * | 2017-01-17 | 2017-05-24 | 河海大学 | Halbach array permanent magnet synchronous motor with high flux weakening property |
| CN107917926A (en) * | 2016-10-10 | 2018-04-17 | 中国石油化工股份有限公司 | Portable nuclear magnetic resonance analyte sensors and Portable magnetic resonance analytical instrument |
| CN108462358A (en) * | 2018-05-10 | 2018-08-28 | 哈尔滨理工大学 | A kind of cylinder type bimorph transducer salient pole permanent-magnet linear motor based on halbach arrays |
| CN110048569A (en) * | 2019-04-10 | 2019-07-23 | 蚁人(苏州)机械科技有限公司 | The stator non iron-core servo motor of robot bilayer halbach array |
| CN113300567A (en) * | 2021-06-15 | 2021-08-24 | 东南大学 | Motor based on improve Halbach magnetization |
-
2015
- 2015-11-30 CN CN201520963265.1U patent/CN205123536U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305756A (en) * | 2015-11-30 | 2016-02-03 | 河南理工大学 | Salient-pole halbach composite permanent magnet rotation motor |
| CN107917926A (en) * | 2016-10-10 | 2018-04-17 | 中国石油化工股份有限公司 | Portable nuclear magnetic resonance analyte sensors and Portable magnetic resonance analytical instrument |
| CN107917926B (en) * | 2016-10-10 | 2019-10-18 | 中国石油化工股份有限公司 | Portable nuclear magnetic resonance analyte sensors and Portable magnetic resonance analytical instrument |
| CN106712338A (en) * | 2017-01-17 | 2017-05-24 | 河海大学 | Halbach array permanent magnet synchronous motor with high flux weakening property |
| CN108462358A (en) * | 2018-05-10 | 2018-08-28 | 哈尔滨理工大学 | A kind of cylinder type bimorph transducer salient pole permanent-magnet linear motor based on halbach arrays |
| CN108462358B (en) * | 2018-05-10 | 2023-11-10 | 哈尔滨理工大学 | Cylindrical double-stator salient pole permanent magnet linear motor based on halbach array |
| CN110048569A (en) * | 2019-04-10 | 2019-07-23 | 蚁人(苏州)机械科技有限公司 | The stator non iron-core servo motor of robot bilayer halbach array |
| CN113300567A (en) * | 2021-06-15 | 2021-08-24 | 东南大学 | Motor based on improve Halbach magnetization |
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