CN103457424A - Double-rotor iron-core-free permanent-magnet synchronous motor - Google Patents
Double-rotor iron-core-free permanent-magnet synchronous motor Download PDFInfo
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- CN103457424A CN103457424A CN2013101847260A CN201310184726A CN103457424A CN 103457424 A CN103457424 A CN 103457424A CN 2013101847260 A CN2013101847260 A CN 2013101847260A CN 201310184726 A CN201310184726 A CN 201310184726A CN 103457424 A CN103457424 A CN 103457424A
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- permanent magnet
- synchronous motor
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Abstract
The invention discloses a double-rotor iron-core-free permanent-magnetic synchronous motor. The problems that an existing motor is large in size, high in weight, low in space utilization rate, and low in loss, in particular the problems of low operation speed, low precision and the like are mainly solved. The double-rotor iron-core-free permanent-magnetic synchronous motor is mainly composed of a stator component and a rotor component, the stator component is annular and is composed of stator winding, and the rotor component is arranged on the outer side of the rotor component in a cup shape in a sleeved mode. The double-rotor iron-core-free permanent-magnet synchronous motor is characterized in that the stator winding is not provided with an iron core, a slot effect does not exist, and low-speed smooth operation is achieved.
Description
Technical field
The present invention relates to high power density motor technology field, relate in particular to a kind of birotor iron-core-free high-efficiency energy-saving permanent magnet motor.
Background technology
The problems such as the common permanent magnet synchronous motor of tradition mainly all is comprised of a stator core by winding and a rotor, exists that motor volume is large, quality is heavy, space availability ratio is low, loss is low, and particularly the low cruise precision is low.
Summary of the invention
For the defect of the existence of existing technology described above, the object of the present invention is to provide that a kind of quality is light, volume is little, energy-efficient and low cruise birotor coreless permanent magnet synchronous motor stably.
The technical solution adopted for the present invention to solve the technical problems is: a kind of birotor coreless permanent magnet synchronous motor, mainly by stator module 1 and rotor assembly 2, formed, stator module 1 integral body is structure ringwise, after the 101 squarely coilings of stator without iron core winding, glue is solid on insulating support 102, rotor assembly 2 is connected with user's driving shaft by terminal pad 201, and its permanent magnet 202 cements in the inside and outside both sides of stator module 1 in order according to the polarity of designing requirement.The cup-shaped rotor assembly outside that is set in, it is characterized in that: described stator winding does not have iron core, the slotless effect, low cruise is level and smooth.
The stator winding 101 of the iron-core-free in described stator module 1 turns to square coil or rounded glue admittedly together by polyester circle (flat) enamelled wire, the lap wound pattern, star (Y) connects or triangle (△) connects, and finally draws three power lines that indicate U, V, W.
Described rotor assembly 2 consists of interior permanent magnet 2021, outer rotor permanent magnet 2022, internal rotor installing ring 2031, external rotor installing ring 2032 and die casting insulating material 204, terminal pad 201, internal rotor permanent-magnetic body 2021 is separately fixed on interior permanent magnet installing ring 2032, and outer rotor permanent magnet 2022 is separately fixed on external rotor installing ring 2032.
The rotor permanent magnet 202 of described rotor assembly 2 is rare earth rubidium iron boron permanent magnet, samarium cobalt permanent magnet body or Al-Ni-Co permanent magnet.For the tile shape shape, its inner and outer rotors magnetic field of permanent magnet polarity: press S-N-S-N ... the order of S or press S-N-magnetic conductor-N-S-magnetic conductor-N-S-magnetic conductor-N-S ... the magnetic circuit pattern of two kinds of orders of S along the circumferential direction is uniformly distributed to arrange and is fixed in the area of a circle of inner and outer rotors, is set up in parallel the inside and outside both sides at stator module 1.
Between the inside and outside permanent magnet of described rotor assembly 2, distance is motor gas-gap, and the width of air gap is 4mm～10mm according to how many selectable ranges of watt level and number of poles, but necessarily need be greater than the thickness 1mm-2mm of stator module winding.
Described rotor assembly 2 and stator module 1 all adopt not magnetic conduction and high-strength material to carry out the injection moulding mode and fix and insulate.
The invention has the beneficial effects as follows: simple in structure, quality is light, volume is little, energy-efficient and low cruise is steady.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
A kind of birotor coreless permanent magnet of Fig. 1 synchronous motor longitudinal sectional view
A kind of birotor coreless permanent magnet of Fig. 2 synchronous electric motor rotor assembly longitudinal sectional view
In Fig. 1: 1 stator module, 2 rotor assembly
In Fig. 2: 3 die casting insulating material, 2,201 terminal pads, 2021 internal rotor permanent-magnetic bodies, 2021 interior permanent magnet installing rings, 2022 external rotor installing rings, 2022 outer rotor permanent magnets
Embodiment
Referring to accompanying drawing, the invention provides a kind of birotor coreless permanent magnet synchronous motor, mainly by stator module 1 and rotor assembly 2, formed, stator module integral body is structure ringwise, after the coiling of stator without iron core winding squarely, glue is solid on insulating support, rotor assembly is connected with user's driving shaft by terminal pad, and its permanent magnet cements in the inside and outside both sides of stator module in order according to the polarity of designing requirement.The cup-shaped rotor assembly outside that is set in, it is characterized in that: described stator winding does not have iron core, the slotless effect, low cruise is level and smooth.
The stator winding of the iron-core-free in described stator module turns to square coil or rounded glue admittedly together by polyester circle (flat) enamelled wire, the lap wound pattern, star (Y) connects or triangle (△) connects, and finally draws three power lines that indicate U, V, W.
Described rotor assembly consists of inner and outer Rotator permanent magnet, inner and outer Rotator installing ring, die casting insulating material, terminal pad.The internal rotor permanent-magnetic body is separately fixed on interior permanent magnet installing ring, outer rotor permanent magnet is separately fixed on the external rotor installing ring, between inside and outside permanent magnet, distance is motor gas-gap, the width of air gap is 4mm～10mm according to how many selectable ranges of watt level and number of poles, but necessarily need be greater than the thickness 1mm-2mm of stator module winding.Permanent magnet is with two rotors; Air gap is less, more is beneficial to the delivery efficiency that improves motor.
The rotor permanent magnet of described rotor assembly 2 is Xi Tu Nd iron boron permanent magnet, samarium cobalt permanent magnet body or Al-Ni-Co permanent magnet.For the tile shape shape, its inner and outer rotors magnetic field of permanent magnet polarity: press S-N-S-N ... the order of S or press S-N-magnetic conductor-N-S-magnetic conductor-N-S-magnetic conductor-N-S ... the magnetic circuit pattern of two kinds of orders of S along the circumferential direction is uniformly distributed to arrange and is fixed in the area of a circle of inner and outer rotors, is set up in parallel the inside and outside both sides at stator module 1.
Described rotor assembly 2 and stator module 1 all adopt not magnetic conduction and high-strength material to carry out the injection moulding mode and fix and insulate.
Described rotor assembly consists of inner and outer Rotator permanent magnet, inner and outer Rotator installing ring, die casting insulating material, terminal pad.The internal rotor permanent-magnetic body is fixed on interior permanent magnet installing ring, and outer rotor permanent magnet is fixed on the external rotor installing ring, between inner and outer rotors and stator winding, air gap is arranged, and permanent magnet is with two rotors.
Described rotor assembly and stator module all adopt not magnetic conduction and high-strength material to carry out the injection moulding mode and fix and insulate.Effectively weight reduction and raising presentation quality.
The preferred embodiment that this invention has been described at this, comprise that the inventor is for implementing known optimal mode of the present invention.The change of preferred embodiment is apparent for those of ordinary skills after reading above-mentioned explanation.The inventor wishes the change that the those of ordinary skill rational Application is such, and the inventor thinks and clearly states different application at this and also can realize the present invention.Therefore, the present invention includes all modifications and the equivalents of the purport of quoting in the claim of enclosing, this allows in applicable law.In addition, any combination of all possible change of above-mentioned key element is also comprised by the present invention, unless pointed out in addition or obvious contradiction in context at this.
Claims (5)
1. a birotor coreless permanent magnet synchronous motor, mainly by stator module and rotor assembly, formed, stator module integral body is structure ringwise, after the coiling of stator without iron core winding squarely, glue is solid on insulating support, rotor assembly is connected with user's driving shaft by terminal pad, and its permanent magnet cements in the inside and outside both sides of stator module in order according to the polarity of designing requirement; It is characterized in that: described stator winding does not have iron core, the slotless effect, and low cruise is level and smooth.
2. birotor coreless permanent magnet synchronous motor as claimed in claim 1, it is characterized in that: described rotor assembly consists of inner and outer Rotator permanent magnet, inner and outer Rotator installing ring, die casting insulating material, terminal pad; The internal rotor permanent-magnetic body is separately fixed on interior permanent magnet installing ring, outer rotor permanent magnet is separately fixed on the external rotor installing ring, between inside and outside permanent magnet, distance is motor gas-gap, the width of air gap is 4mm～10mm according to how many selectable ranges of watt level and number of poles, but necessarily need be greater than the thickness 1mm-2mm of stator module winding.
3. birotor coreless permanent magnet synchronous motor as claimed in claim 2, it is characterized in that: permanent magnet is rare earth rubidium iron boron permanent magnet, samarium cobalt permanent magnet body or Al-Ni-Co permanent magnet; For the tile shape shape.
4. birotor coreless permanent magnet synchronous motor as claimed in claim 3, it is characterized in that: its inner and outer rotors magnetic field of permanent magnet polarity: press S-N-S-N ... the order of S or press S-N-magnetic conductor-N-S-magnetic conductor-N-S-magnetic conductor-N-S ... the magnetic circuit pattern of two kinds of orders of S along the circumferential direction is uniformly distributed to arrange and is fixed in the area of a circle of inner and outer rotors, is set up in parallel the inside and outside both sides at stator module.
5. birotor coreless permanent magnet synchronous motor as described in as arbitrary as claim 1-4 is characterized in that: described rotor assembly and stator module all adopt not magnetic conduction and high-strength material to carry out the injection moulding mode and fix and insulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101847260A CN103457424A (en) | 2013-05-17 | 2013-05-17 | Double-rotor iron-core-free permanent-magnet synchronous motor |
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| CN2013101847260A CN103457424A (en) | 2013-05-17 | 2013-05-17 | Double-rotor iron-core-free permanent-magnet synchronous motor |
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| CN103457424A true CN103457424A (en) | 2013-12-18 |
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| CN2013101847260A Pending CN103457424A (en) | 2013-05-17 | 2013-05-17 | Double-rotor iron-core-free permanent-magnet synchronous motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529848A (en) * | 2014-09-28 | 2016-04-27 | 深圳市祥益节能科技有限公司 | Electric vehicle in-wheel motor and electric vehicle wheel |
| CN106953571A (en) * | 2017-05-25 | 2017-07-14 | 湖南大学 | A kind of single stator and double-rotor disc type is to turning permanent-magnetic synchronous motor stator magnetic linkage identification model construction method, model and method |
| CN110994842A (en) * | 2019-12-24 | 2020-04-10 | 武汉万至达智能科技有限公司 | High-performance permanent magnet brushless motor with internal magnetism gathering characteristic |
| CN111865024A (en) * | 2020-06-14 | 2020-10-30 | 京马电机有限公司 | Dual-rotor motor structure |
| CN114640231A (en) * | 2022-05-23 | 2022-06-17 | 唐山工业职业技术学院 | Coreless high-power radial alternating current permanent magnet synchronous motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5945766A (en) * | 1996-01-18 | 1999-08-31 | Amotron Co., Ltd. | Coreless-type BLDC motor and method of producing stator assembly having axial vibration attenuation arrangement |
| CN1652438A (en) * | 2005-01-24 | 2005-08-10 | 北京航空航天大学 | Low power consumption brushless DC motor with Halbach magnet structure |
| CN101814811A (en) * | 2009-02-24 | 2010-08-25 | 河南森源电气股份有限公司 | Axial magnetic field permanent magnet wind generator |
| CN102355101A (en) * | 2011-09-08 | 2012-02-15 | 王春煜 | Core-free permanent magnet direct current motor with axial magnetic field for electric vehicle |
| CN203416139U (en) * | 2013-05-17 | 2014-01-29 | 湖南大学 | Bi-rotor coreless permanent-magnet synchronous motor |
-
2013
- 2013-05-17 CN CN2013101847260A patent/CN103457424A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5945766A (en) * | 1996-01-18 | 1999-08-31 | Amotron Co., Ltd. | Coreless-type BLDC motor and method of producing stator assembly having axial vibration attenuation arrangement |
| CN1652438A (en) * | 2005-01-24 | 2005-08-10 | 北京航空航天大学 | Low power consumption brushless DC motor with Halbach magnet structure |
| CN101814811A (en) * | 2009-02-24 | 2010-08-25 | 河南森源电气股份有限公司 | Axial magnetic field permanent magnet wind generator |
| CN102355101A (en) * | 2011-09-08 | 2012-02-15 | 王春煜 | Core-free permanent magnet direct current motor with axial magnetic field for electric vehicle |
| CN203416139U (en) * | 2013-05-17 | 2014-01-29 | 湖南大学 | Bi-rotor coreless permanent-magnet synchronous motor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529848A (en) * | 2014-09-28 | 2016-04-27 | 深圳市祥益节能科技有限公司 | Electric vehicle in-wheel motor and electric vehicle wheel |
| CN105529848B (en) * | 2014-09-28 | 2019-05-07 | 深圳市祥益节能科技有限公司 | Wheel hub electric motor of electric vehicle and Electricmotor car wheel |
| CN106953571A (en) * | 2017-05-25 | 2017-07-14 | 湖南大学 | A kind of single stator and double-rotor disc type is to turning permanent-magnetic synchronous motor stator magnetic linkage identification model construction method, model and method |
| CN110994842A (en) * | 2019-12-24 | 2020-04-10 | 武汉万至达智能科技有限公司 | High-performance permanent magnet brushless motor with internal magnetism gathering characteristic |
| CN111865024A (en) * | 2020-06-14 | 2020-10-30 | 京马电机有限公司 | Dual-rotor motor structure |
| CN114640231A (en) * | 2022-05-23 | 2022-06-17 | 唐山工业职业技术学院 | Coreless high-power radial alternating current permanent magnet synchronous motor |
| CN114640231B (en) * | 2022-05-23 | 2022-08-09 | 唐山工业职业技术学院 | Coreless high-power radial alternating current permanent magnet synchronous motor |
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Application publication date: 20131218 |