CN203416139U - Bi-rotor coreless permanent-magnet synchronous motor - Google Patents
Bi-rotor coreless permanent-magnet synchronous motor Download PDFInfo
- Publication number
- CN203416139U CN203416139U CN201320273055.0U CN201320273055U CN203416139U CN 203416139 U CN203416139 U CN 203416139U CN 201320273055 U CN201320273055 U CN 201320273055U CN 203416139 U CN203416139 U CN 203416139U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- synchronous motor
- rotor
- stator module
- rotor assembly
- 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
Links
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a bi-rotor coreless permanent-magnet synchronous motor, which is mainly solves the problems that the size of the prior motor is large, the weight is large, the space utilization rate is low, loss is small, and specially the low speed operation precision is low. The bi-rotor coreless permanent-magnet synchronous motor mainly comprises a stator assembly and a rotor assembly, the stator assembly is annular and comprises stator windings, and the rotor assembly has a cup form and is sleeved outside the rotor assembly. The motor is characterized in that the stator windings have no iron core, no slot effect exists, and low speed operation is smooth.
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 is mainly all 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 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, is characterized in that: described stator winding does not have iron core, slotless effect, and 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, 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 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 is along the circumferential direction 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 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.
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, is characterized in that: described stator winding does not have iron core, slotless effect, and 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, 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.Internal rotor permanent-magnetic body is separately fixed on interior permanent magnet installing ring, outer rotor permanent magnet is separately fixed on 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, is more 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 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 is along the circumferential direction 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 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.Internal rotor permanent-magnetic body is fixed on interior permanent magnet installing ring, and outer rotor permanent magnet is fixed on external rotor installing ring, between inner and outer rotors and stator winding, has air gap, 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 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, comprises that 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.Inventor wishes the rationally such change of application of those of ordinary skill, and inventor thinks and at this, clearly states different application 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, slotless effect, low cruise is level and smooth.
2. birotor coreless permanent magnet synchronous motor as claimed in claim 1, 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; Internal rotor permanent-magnetic body is separately fixed on interior permanent magnet installing ring, outer rotor permanent magnet is separately fixed on 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, 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 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 is along the circumferential direction 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 in 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 injection moulding mode and fix and insulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320273055.0U CN203416139U (en) | 2013-05-17 | 2013-05-17 | Bi-rotor coreless permanent-magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320273055.0U CN203416139U (en) | 2013-05-17 | 2013-05-17 | Bi-rotor coreless permanent-magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203416139U true CN203416139U (en) | 2014-01-29 |
Family
ID=49978997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320273055.0U Expired - Fee Related CN203416139U (en) | 2013-05-17 | 2013-05-17 | Bi-rotor coreless permanent-magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203416139U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457424A (en) * | 2013-05-17 | 2013-12-18 | 湖南大学 | Double-rotor iron-core-free permanent-magnet synchronous motor |
| US10910903B2 (en) | 2018-01-12 | 2021-02-02 | Carrier Corporation | Dual rotor, coreless, electromagnetic machine |
-
2013
- 2013-05-17 CN CN201320273055.0U patent/CN203416139U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457424A (en) * | 2013-05-17 | 2013-12-18 | 湖南大学 | Double-rotor iron-core-free permanent-magnet synchronous motor |
| US10910903B2 (en) | 2018-01-12 | 2021-02-02 | Carrier Corporation | Dual rotor, coreless, electromagnetic machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202524184U (en) | Permanent magnetic motor and bladeless fan applying the same | |
| CN102035331B (en) | Multi-center iron core coil-free permanent magnet motor | |
| CN103457424A (en) | Double-rotor iron-core-free permanent-magnet synchronous motor | |
| CN103414301A (en) | Axial magnetic field ironless permanent magnet motor with split mounting type magnetic poles | |
| CN203416139U (en) | Bi-rotor coreless permanent-magnet synchronous motor | |
| CN103925293A (en) | Radial hybrid magnetic bearing of slice rotor | |
| CN103401329A (en) | Novel permanent-magnet motor rotor | |
| CN202997733U (en) | Disc type motor | |
| CN201733147U (en) | Limited angle torque motor | |
| CN201204487Y (en) | Permanent magnet motor stator | |
| CN102347669A (en) | Limited angle torque motor and method for manufacturing same | |
| CN202085104U (en) | Constant magnetic energy-saving motor | |
| CN109818441A (en) | A kind of magnetic barrier formula permanent-magnet magnetic resistance synchronous motor rotor structure | |
| CN203387310U (en) | Ferrite magnet motor inner rotor | |
| CN202586678U (en) | Novel high-efficiency permanent-magnet brushless direct-current motor | |
| CN208589826U (en) | A kind of drive motor | |
| CN201204486Y (en) | Motor stator core | |
| CN205336003U (en) | Permanent magnet generator with novel permanent magnet rotor magnetic circuit | |
| CN207743839U (en) | A kind of novel brushless DC motor structure of super bath/exhaust fan electric appliance | |
| CN103618391A (en) | Ten-pole twelve-groove permanent magnet brushless motor | |
| CN204271866U (en) | A kind of New-type asynchronous starting and permanent magnet rotor and comprise the synchronous machine of this rotor | |
| CN104218755A (en) | A salient pole AC unidirectional capacitor motor positioning device | |
| CN204349617U (en) | A kind of rotor structure of permanent magnet iron coreless motor | |
| CN203554098U (en) | Magnetic steel for a permanent-magnet synchronous motor | |
| CN203632517U (en) | Motor without magnet ring structure |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 |