CN107332378A - Permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure - Google Patents
Permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure Download PDFInfo
- Publication number
- CN107332378A CN107332378A CN201710740524.8A CN201710740524A CN107332378A CN 107332378 A CN107332378 A CN 107332378A CN 201710740524 A CN201710740524 A CN 201710740524A CN 107332378 A CN107332378 A CN 107332378A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- servo motor
- permanent magnet
- surface mount
- motor rotor
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
Present invention is disclosed permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure, including rotor punching and magnet steel, the rotor punching includes punching body, some magnetic located at punching body peripheral are every bridge structure, the supporting part that the magnetic includes being connected with the punching body every bridge structure, connecting portion located at supporting part end, the both sides of the connecting portion are respectively symmetrically provided with outwardly convex portion, magnetic described in every group is provided with the magnet steel of corresponding matching between bridge structure, the both sides of the magnet steel are respectively symmetrically provided with the recess caved inward, recess docking engaging corresponding with the convex portion.The present invention realizes that power density is improved, and anti-demagnetization capability is strong.
Description
Technical field
The invention belongs to magneto technical field, more particularly to a kind of permanent magnet synchronous servo motor rotor magnetic steel Surface Mount are solid
Determine structure.
Background technology
The exploitation of permanent-magnet material and the development of power electronic element, have not only speeded up the research and development of permanent magnet synchronous servo motor,
Improve application field simultaneously.Permanent-magnet material application synchronous servo motor not only has high power density and efficient characteristic,
The requirement of energy-conservation and miniaturization can also be met.In order to obtain peak use rate of the permanent magnet in permanent magnet synchronous servo motor,
The mounting structure of usual rotor magnetic steel be it is embedded, rotor it is circumferential be provided with punching, permanent magnet presses N polarity, S alternating polarities respectively
Fixed in the neck of form insertion punching, such a mounting means is difficult by the iron loss control of rotor to optimal, permanent-magnet material
Utilization rate it is not high.
The content of the invention
The invention aims to solve above-mentioned technical problem, and provide a kind of permanent magnet synchronous servo motor rotor magnetic steel
Surface Mount fixed structure, so as to realize that power density is improved, anti-demagnetization capability is strong.In order to achieve the above object, the technology of the present invention side
Case is as follows：
Permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure, including rotor punching and magnet steel, the rotor punching
Including punching body, located at punching body peripheral some magnetic every bridge structure, the magnetic includes and the punching sheet every bridge structure
Supporting part, the connecting portion located at supporting part end of body connection, the both sides of the connecting portion are respectively symmetrically provided with outwardly
Convex portion, magnetic described in every group is provided with the magnet steel of corresponding matching between bridge structure, and the both sides of the magnet steel are respectively symmetrically
Provided with the recess caved inward, recess docking engaging corresponding with the convex portion.
Specifically, the punching body peripheral is provided with some magnetic being placed equidistant every bridge structure.
Specifically, the punching body is circular ring structure.
Specifically, the top of the magnet steel is provided with the first arc sections, the bottom of the magnet steel is provided with the second arc sections.
Specifically, second arc sections laminating corresponding with the periphery of the punching body.
Specifically, the height of first arc sections is higher than height of the magnetic every bridge structure.
Compared with prior art, the beneficial effect master of permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure of the present invention
It is embodied in：Being coordinated by magnet steel and magnetic every the side of bridge can not only make magnet steel is safe and reliable to be fastened on rotor, magnet steel
The stock utilization of magnet steel can be given full play to by being arranged at intervals by magnetic every bridge, and field waveform and current-voltage waveform abnormal rate subtract
It is few；Recess and the correspondence engaging of convex portion, effectively reduce the noise that vibration is produced；Overall structure power density is high, anti-demagnetization capability
By force.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is schematic diagram of the present embodiment magnetic every bridge structure；
Fig. 3 is the structural representation of the present embodiment magnet steel；
Numeral is represented in figure：
1 punching body, 2 supporting parts, 3 connecting portions, 31 convex portions, 4 magnet steel, 41 recesses, 42 first arc sections, 43 second circular arcs
Portion.
Embodiment
Clear, complete description will be carried out to the technical scheme in the embodiment of the present invention below in conjunction with the accompanying drawings, it is clear that retouched
The embodiment stated is only a part of embodiment of the invention, rather than whole embodiments.
Embodiment：
Shown in reference picture 1-3, the present embodiment is permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure, including rotor
Punching and magnet steel 4.
Rotor punching include punching body 1, located at the periphery of punching body 1 some magnetic being placed equidistant every bridge structure.Punching
Piece body 1 is circular ring structure.Magnetic every bridge structure include be connected with punching body 1 supporting part 2, the company located at the end of supporting part 2
Socket part 3.The both sides of connecting portion 3 are respectively symmetrically provided with outwardly convex portion 31.
Magnet steel 4 of each two magnetic provided with a corresponding matching between bridge structure.The both sides of supporting part 2 and magnet steel 4
Both sides correspondence fit.The both sides of magnet steel 4 are respectively symmetrically provided with the recess 41 caved inward, and recess 41 is corresponding with convex portion 31 right
Connect engaging.The top of magnet steel 4 is provided with the first arc sections 42, and the bottom of magnet steel 4 is provided with the second arc sections 43.Second arc sections 43 with
The corresponding laminating in the periphery of punching body 1, the height of the first arc sections 42 is higher than height of the magnetic every bridge structure.
The present embodiment is coordinated by magnet steel 4 and magnetic every the side of bridge structure can not only make the safe and reliable fastening of magnet steel 4
On rotor, magnet steel 4 is arranged at intervals by magnetic every bridge can give full play to the stock utilization of magnet steel, field waveform and Current Voltage
Waveform abnormal rate is reduced；Recess 41 and the correspondence engaging of convex portion 31, effectively reduce the noise that vibration is produced；Overall structure power is close
Degree is high, and anti-demagnetization capability is strong.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, not
On the premise of departing from the invention design, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.
Claims (6)
1. permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure, including rotor punching and magnet steel, it is characterised in that：It is described
Rotor punching include punching body, located at punching body peripheral some magnetic every bridge structure, the magnetic includes and institute every bridge structure
State the supporting part of punching body connection, the connecting portion located at supporting part end, the both sides of the connecting portion be respectively symmetrically provided with to
The convex portion of outer protrusion, magnetic described in every group is provided with the magnet steel of corresponding matching, the both sides of the magnet steel between bridge structure
Respectively symmetrically provided with the recess caved inward, recess docking engaging corresponding with the convex portion.
2. permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure according to claim 1, it is characterised in that：It is described
Punching body peripheral is provided with some magnetic being placed equidistant every bridge structure.
3. permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure according to claim 1, it is characterised in that：It is described
Punching body is circular ring structure.
4. permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure according to claim 1, it is characterised in that：It is described
The top of magnet steel is provided with the first arc sections, and the bottom of the magnet steel is provided with the second arc sections.
5. permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure according to claim 4, it is characterised in that：It is described
The laminating corresponding with the periphery of the punching body of second arc sections.
6. permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure according to claim 4, it is characterised in that：It is described
The height of first arc sections is higher than height of the magnetic every bridge structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740524.8A CN107332378A (en) | 2017-08-25 | 2017-08-25 | Permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740524.8A CN107332378A (en) | 2017-08-25 | 2017-08-25 | Permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107332378A true CN107332378A (en) | 2017-11-07 |
Family
ID=60228461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710740524.8A Pending CN107332378A (en) | 2017-08-25 | 2017-08-25 | Permanent magnet synchronous servo motor rotor magnetic steel Surface Mount fixed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107332378A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980867A (en) * | 2017-12-28 | 2019-07-05 | 江苏联博精密科技有限公司 | A kind of rotor pack and its manufacturing process |
| CN110784034A (en) * | 2019-12-12 | 2020-02-11 | 桂林星辰科技股份有限公司 | Permanent magnet synchronous motor surface-mounted rotor magnetic steel fixing structure |
| CN111614174A (en) * | 2019-02-25 | 2020-09-01 | 中车株洲电力机车研究所有限公司 | Surface-mounted motor rotor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425709A (en) * | 2008-08-11 | 2009-05-06 | 隆鑫工业有限公司 | Permanent magnet generator rotor |
| CN101527476A (en) * | 2009-01-15 | 2009-09-09 | 姜卫亮 | Brushless electric motor rotor |
| CN201374596Y (en) * | 2009-01-15 | 2009-12-30 | 姜卫亮 | Brushless motor rotor |
| CN204131257U (en) * | 2014-07-14 | 2015-01-28 | 浙江众合机电股份有限公司 | A kind of direct current torque motor being applied to subway gate |
| CN105099012A (en) * | 2015-09-17 | 2015-11-25 | 上海电机系统节能工程技术研究中心有限公司 | High-performance permanent magnet servo motor |
| CN205945294U (en) * | 2016-08-29 | 2017-02-08 | 桂林星辰科技股份有限公司 | Permanent -magnetic synchronous motor rotor |
| CN206135584U (en) * | 2016-09-29 | 2017-04-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Electric motor rotor and motor |
-
2017
- 2017-08-25 CN CN201710740524.8A patent/CN107332378A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425709A (en) * | 2008-08-11 | 2009-05-06 | 隆鑫工业有限公司 | Permanent magnet generator rotor |
| CN101527476A (en) * | 2009-01-15 | 2009-09-09 | 姜卫亮 | Brushless electric motor rotor |
| CN201374596Y (en) * | 2009-01-15 | 2009-12-30 | 姜卫亮 | Brushless motor rotor |
| CN204131257U (en) * | 2014-07-14 | 2015-01-28 | 浙江众合机电股份有限公司 | A kind of direct current torque motor being applied to subway gate |
| CN105099012A (en) * | 2015-09-17 | 2015-11-25 | 上海电机系统节能工程技术研究中心有限公司 | High-performance permanent magnet servo motor |
| CN205945294U (en) * | 2016-08-29 | 2017-02-08 | 桂林星辰科技股份有限公司 | Permanent -magnetic synchronous motor rotor |
| CN206135584U (en) * | 2016-09-29 | 2017-04-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Electric motor rotor and motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980867A (en) * | 2017-12-28 | 2019-07-05 | 江苏联博精密科技有限公司 | A kind of rotor pack and its manufacturing process |
| CN111614174A (en) * | 2019-02-25 | 2020-09-01 | 中车株洲电力机车研究所有限公司 | Surface-mounted motor rotor |
| CN110784034A (en) * | 2019-12-12 | 2020-02-11 | 桂林星辰科技股份有限公司 | Permanent magnet synchronous motor surface-mounted rotor magnetic steel fixing structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171107 |
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| RJ01 | Rejection of invention patent application after publication |