CN102420479B - Rotor of permanent magnet synchronous motor - Google Patents
Rotor of permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN102420479B CN102420479B CN 201110422705 CN201110422705A CN102420479B CN 102420479 B CN102420479 B CN 102420479B CN 201110422705 CN201110422705 CN 201110422705 CN 201110422705 A CN201110422705 A CN 201110422705A CN 102420479 B CN102420479 B CN 102420479B
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- Prior art keywords
- rotor
- permanent magnet
- synchronous motor
- magnetic
- permagnetic synchronous
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Abstract
The invention discloses a rotor of a permanent magnet synchronous motor. The rotor comprises a shaft center, permanent magnets, at least two rotor brackets, magnetic isolation aluminum rods and magnetic conducting pressure plates. The rotor bracket is polygonal, and the center of the rotor bracket is provided with a round hole. The shaft center passes through the round holes to be connected with the at least two rotor brackets. The permanent magnets are uniformly erected on each corresponding side of the at least two rotor brackets. A plurality of threaded holes are formed on the permanent magnets. The magnetic conducting pressure plates are arranged on the permanent magnets. Identical threaded holes are formed at positions, corresponding to the plurality of threaded holes on the permanent magnets, on the magnetic conducting pressure plates. Screws pass through the threaded holes on the magnetic conducting pressure plates and the permanent magnets to fixedly connect the magnetic conducting pressure plates and the shaft center. The magnetic isolation aluminum rods are arranged between every two adjacent permanent magnets, and are connected with corners of the at least two rotor brackets. The outer edges of the magnetic conducting pressure plates and the outer edges of the magnetic isolation aluminum rods form a round which is concentric with the shaft center. The matching and combination of the permanent magnets, the magnetic conducting pressure plates and the magnetic isolation aluminum rods are redesigned according to the pole number of the motor, so that the waste of permanent magnet materials is greatly reduced.
Description
Technical field
The present invention relates to machine field, relate in particular to a kind of rotor of permagnetic synchronous motor.
Background technology
Rotor is the requisite part of motor, the internal structure of the magneto of producing, selling and uying in the market is complicated, and the magnetic material of the rotor of support motor expends too much owing to design blindly, wastes a large amount of magnetic material resources.
Summary of the invention
In view of this, be necessary to provide a kind of magnetoelectricity transformation efficiency no less than on the market motor, and employ the rotor of the permagnetic synchronous motor that magnetic material reduces.
The present invention realizes like this, a kind of rotor of permagnetic synchronous motor, the rotor of described permagnetic synchronous motor comprises axle center and permanent magnet, at least two rotor field spiders, every magnetic aluminum strip and magnetic conduction pressing plate, described rotor field spider is polygon, and the center is provided with circular hole, described axle center is passed described circular hole and is connected with described at least two rotor field spiders, each of described at least two rotor field spiders sets up described permanent magnet on the corresponding limit uniformly, described magnetic conduction pressing plate is located on the described permanent magnet, described permanent magnet is provided with between any two every the magnetic aluminum strip, describedly be connected with the corner of described at least two rotor field spiders every the magnetic aluminum strip, the outward flange of described magnetic conduction pressing plate and described outward flange every the magnetic aluminum strip form the circle concentric with the axle center.
Further, described permanent magnet is provided with some screwed holes, some screwed holes place on the described magnetic conduction pressing plate on the corresponding described permanent magnet also is provided with identical screwed hole, passes screwed hole on described magnetic conduction pressing plate and the described permanent magnet by screw, and is connected and fixed with the axle center.
Further, the quantity of the limit number of the quantity of described permanent magnet, rotor field spider, magnetic conduction pressing plate all equates with the progression of permagnetic synchronous motor.
Further, the circular hole edge at the center of described rotor field spider is provided with some grooves, and the groove of the corresponding described rotor field spider in described axle center is provided with projection, and described groove and described projection are complementary.
Further, described is non-magnetic every the magnetic aluminum strip, is fan-shaped, and both sides are near permanent magnet.
Further, described magnetic conduction pressing plate is consistent with the width of permanent magnet near the width of the one side in axle center, and its one side away from the axle center is circular-arc, both sides near adjacent every the magnetic aluminum strip.
Further, the material of described permanent magnet is neodymium iron boron.
The present invention also provides a kind of permagnetic synchronous motor, described motor has been installed the rotor of permagnetic synchronous motor, the rotor of described permagnetic synchronous motor comprises axle center and permanent magnet, at least two rotor field spiders, every magnetic aluminum strip and magnetic conduction pressing plate, described rotor field spider is polygon, and the center is provided with circular hole, described axle center is passed described circular hole and is connected with described at least two rotor field spiders, each of described at least two rotor field spiders sets up described permanent magnet on the corresponding limit uniformly, described magnetic conduction pressing plate is located on the described permanent magnet, described permanent magnet is provided with between any two every the magnetic aluminum strip, describedly be connected with the corner of described at least two rotor field spiders every the magnetic aluminum strip, the outward flange of described magnetic conduction pressing plate and described outward flange every the magnetic aluminum strip form the circle concentric with the axle center.
Further, described permanent magnet is provided with some screwed holes, some screwed holes place on the described magnetic conduction pressing plate on the corresponding described permanent magnet also is provided with identical screwed hole, passes screwed hole on described magnetic conduction pressing plate and the described permanent magnet by screw, and is connected and fixed with the axle center.
Further, the quantity of the limit number of the quantity of described permanent magnet, rotor field spider, magnetic conduction pressing plate all equates with the progression of permagnetic synchronous motor.
Further, the circular hole edge at the center of described rotor field spider is provided with some grooves, and the groove of the corresponding described rotor field spider in described axle center is provided with projection, and described groove and described projection are complementary.
Further, described is non-magnetic every the magnetic aluminum strip, is fan-shaped, and both sides are near permanent magnet.
Further, described magnetic conduction pressing plate is consistent with the width of permanent magnet near the width of the one side in axle center, and its one side away from the axle center is circular-arc, both sides near adjacent every the magnetic aluminum strip.
Further, the material of described permanent magnet is neodymium iron boron.
The advantage of the rotor of permagnetic synchronous motor provided by the invention is: reach the matched combined every the magnetic aluminum strip by progression redesign permanent magnet, magnetic conduction pressing plate according to motor, greatly reduced the waste of permanent magnet material.
Description of drawings
Fig. 1 is the front view of the rotor of permagnetic synchronous motor of the present invention.
Fig. 2 is the end view of the rotor of permagnetic synchronous motor among Fig. 1.
Fig. 3 is the phantom of the rotor of permagnetic synchronous motor among Fig. 2.
Fig. 4 is the structural representation of Fig. 1 axis.
Fig. 5 is the structural representation of Fig. 1 rotor support.
Fig. 6 is the structural representation of magnetic conduction pressing plate among Fig. 1.
Fig. 7 is the structural representation of permanent magnet among Fig. 1.
Fig. 8 is every the structural representation of magnetic aluminum strip among Fig. 1.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
See also Fig. 1 and Fig. 2, Fig. 1 is the front view of the rotor 100 of permagnetic synchronous motor of the present invention, Fig. 2 is the end view of the rotor 100 of permagnetic synchronous motor of the present invention, and the rotor 100 of described permagnetic synchronous motor comprises axle center 30 and permanent magnet 40, at least two rotor field spiders 50, every magnetic aluminum strip 20 and magnetic conduction pressing plate 10.
Please in conjunction with Fig. 5, Fig. 5 is the structural representation of Fig. 1 rotor support 50, and described rotor field spider 50 is polygon, and the center is provided with circular hole 52, and circular hole 52 edges at the center of described rotor field spider 50 are provided with some grooves 54.
Please in conjunction with Fig. 4, Fig. 4 is the structural representation of Fig. 1 axis 30, and groove 54 places of described axle center 30 corresponding described rotor field spiders 50 are provided with projection 32, described protruding 32 and are complementary with described groove 54.
Please in conjunction with Fig. 7, Fig. 7 is the structural representation of permanent magnet 40 among Fig. 1, and described permanent magnet 40 is provided with some screwed holes 42, and the material of described permanent magnet 40 is neodymium iron boron.
Please in conjunction with Fig. 6, Fig. 6 is the structural representation of magnetic conduction pressing plate 10 among Fig. 1, some screwed holes 42 places on the described magnetic conduction pressing plate 10 on the corresponding described permanent magnet 40 also are provided with identical screwed hole 12, described magnetic conduction pressing plate 10 is consistent with the width of permanent magnet 40 near the width of the one side in axle center 30, its one side away from axle center 30 is circular-arc, both sides near adjacent every magnetic aluminum strip 20.
Please in conjunction with Fig. 8, Fig. 8 be among Fig. 1 every the structural representation of magnetic aluminum strip 20, described is non-magnetic every magnetic aluminum strip 20, is fan-shaped, both sides are near permanent magnet 40 and magnetic conduction pressing plate 10.
Please in conjunction with Fig. 3, Fig. 3 is the phantom of the rotor 100 of permagnetic synchronous motor among Fig. 2, the circular hole 52 that described rotor field spider 50 centers are passed in described axle center 30 is connected with described two rotor field spiders 50 at least, set up uniformly described permanent magnet 40 at least on each corresponding limit of described two rotor field spiders 50, described magnetic conduction pressing plate 10 is located on the described permanent magnet 40, pass screwed hole on described magnetic conduction pressing plate 10 and the described permanent magnet 40 by screw 60, and be connected and fixed with axle center 30, described permanent magnet 40 is provided with between any two every magnetic aluminum strip 20, describedly be connected every the corner of magnetic aluminum strip 20 with described at least two rotor field spiders 50, the outward flange of described magnetic conduction pressing plate 10 and described outward flange every magnetic aluminum strip 20 form the circle concentric with axle center 30, the quantity of described permanent magnet 40, the limit number of rotor field spider 50, the quantity of magnetic conduction pressing plate 10 all equates with the progression of permagnetic synchronous motor 100.
During installation, described axle center 30 is passed the circular hole 52 at the center of described at least two rotor field spiders 50, projection 32 places that groove 54 on the circular hole 52 snapped into axle center 30 are fixed, again the described permanent magnet 40 that equates with motor progression is set up on the corresponding limit of described two rotor field spiders 50 successively at least, place between two adjacent permanent magnets 40 every magnetic aluminum strip 20 described again, and with described rotor field spider 50 the corner of adjacent edge fix, again magnetic conduction pressing plate 10 is pressed and pay to described permanent magnet 40, pass screwed hole and described axle center 30 on described magnetic conduction pressing plate 10 and the described permanent magnet 40 by welding or in the axle center screwed hole being set is connected and fixed by screw 60.
In sum, the rotor of permagnetic synchronous motor provided by the invention, reach the matched combined every the magnetic aluminum strip by progression redesign permanent magnet, magnetic conduction pressing plate according to motor, greatly reduced the waste of permanent magnet material, can save 7% of originally permanent magnet consumption, all design with the progression of permagnetic synchronous motor by the quantity with the limit number of the quantity of described permanent magnet, rotor field spider, magnetic conduction pressing plate and to equate, saved resource and cost.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the rotor of a permagnetic synchronous motor, the rotor of described permagnetic synchronous motor comprises axle center and permanent magnet, it is characterized in that, the rotor of described permagnetic synchronous motor also comprises at least two rotor field spiders, every magnetic aluminum strip and magnetic conduction pressing plate, described rotor field spider is polygon, and the center is provided with circular hole, described axle center is passed described circular hole and is connected with described at least two rotor field spiders, each of described at least two rotor field spiders sets up described permanent magnet on the corresponding limit uniformly, described magnetic conduction pressing plate is located on the described permanent magnet, described permanent magnet is provided with between any two every the magnetic aluminum strip, describedly be connected with the corner of described at least two rotor field spiders every the magnetic aluminum strip, the outward flange of described magnetic conduction pressing plate and described outward flange every the magnetic aluminum strip form the circle concentric with the axle center.
2. the rotor of permagnetic synchronous motor according to claim 1, it is characterized in that, described permanent magnet is provided with some screwed holes, some screwed holes place on the described magnetic conduction pressing plate on the corresponding described permanent magnet also is provided with identical screwed hole, pass screwed hole on described magnetic conduction pressing plate and the described permanent magnet by screw, and be connected and fixed with the axle center.
3. the rotor of permagnetic synchronous motor according to claim 1 is characterized in that, the limit number of the quantity of described permanent magnet, rotor field spider, the quantity of magnetic conduction pressing plate all equate with the progression of permagnetic synchronous motor.
4. the rotor of permagnetic synchronous motor according to claim 1 is characterized in that, the circular hole edge at the center of described rotor field spider is provided with some grooves, and the groove of the corresponding described rotor field spider in described axle center is provided with projection, and described groove and described projection are complementary.
5. the rotor of permagnetic synchronous motor according to claim 1 is characterized in that, described is non-magnetic every the magnetic aluminum strip, is fan-shaped, and both sides are near permanent magnet.
6. the rotor of permagnetic synchronous motor according to claim 1 is characterized in that, described magnetic conduction pressing plate is consistent with the width of permanent magnet near the width of the one side in axle center, and its one side away from the axle center is circular-arc, both sides near adjacent every the magnetic aluminum strip.
7. the rotor of each described permagnetic synchronous motor is characterized in that according to claim 1-6, and the material of described permanent magnet is neodymium iron boron.
8. permagnetic synchronous motor, described motor has been installed the rotor such as each described permagnetic synchronous motor among the claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110422705 CN102420479B (en) | 2011-12-16 | 2011-12-16 | Rotor of permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110422705 CN102420479B (en) | 2011-12-16 | 2011-12-16 | Rotor of permanent magnet synchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102420479A CN102420479A (en) | 2012-04-18 |
| CN102420479B true CN102420479B (en) | 2013-04-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110422705 Expired - Fee Related CN102420479B (en) | 2011-12-16 | 2011-12-16 | Rotor of permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102420479B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021209100A1 (en) | 2021-08-19 | 2022-07-28 | Zf Friedrichshafen Ag | Shaft-hub assembly and electrical machine with such |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872111B (en) * | 2017-11-10 | 2020-06-19 | 沈阳工业大学 | High-strength sandwich magnetic pole rotor of double-stator axial flux permanent magnet motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1956293A (en) * | 2005-10-24 | 2007-05-02 | 通用电气公司 | Method and apparatus for assembling a permanent magnet pole assembly |
| CN201197088Y (en) * | 2007-12-26 | 2009-02-18 | 泰豪科技股份有限公司 | Split clipping type rotor of dipolar magnetoelectric generator |
| CN102097878A (en) * | 2011-03-15 | 2011-06-15 | 哈尔滨工业大学 | Structure for fixing magnetic poles of permanent magnet motor |
| CN102280960A (en) * | 2011-08-09 | 2011-12-14 | 西安东风仪表厂 | Fixing method for motor rotor magnetic steel |
| CN202424338U (en) * | 2011-12-16 | 2012-09-05 | 铜陵浩岩节能科技有限公司 | Rotor of permanent-magnet synchronous motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009077469A (en) * | 2007-09-19 | 2009-04-09 | Yaskawa Electric Corp | Magnet-embedded motor and manufacturing method therefor |
-
2011
- 2011-12-16 CN CN 201110422705 patent/CN102420479B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1956293A (en) * | 2005-10-24 | 2007-05-02 | 通用电气公司 | Method and apparatus for assembling a permanent magnet pole assembly |
| CN201197088Y (en) * | 2007-12-26 | 2009-02-18 | 泰豪科技股份有限公司 | Split clipping type rotor of dipolar magnetoelectric generator |
| CN102097878A (en) * | 2011-03-15 | 2011-06-15 | 哈尔滨工业大学 | Structure for fixing magnetic poles of permanent magnet motor |
| CN102280960A (en) * | 2011-08-09 | 2011-12-14 | 西安东风仪表厂 | Fixing method for motor rotor magnetic steel |
| CN202424338U (en) * | 2011-12-16 | 2012-09-05 | 铜陵浩岩节能科技有限公司 | Rotor of permanent-magnet synchronous motor |
Non-Patent Citations (2)
| Title |
|---|
| 刘宁.钕铁硼永磁高速同步发电机设计.《沈阳工业大学学报》.1997,第19卷(第3期),92-94. |
| 钕铁硼永磁高速同步发电机设计;刘宁;《沈阳工业大学学报》;19970630;第19卷(第3期);92-94 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021209100A1 (en) | 2021-08-19 | 2022-07-28 | Zf Friedrichshafen Ag | Shaft-hub assembly and electrical machine with such |
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| Publication number | Publication date |
|---|---|
| CN102420479A (en) | 2012-04-18 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131216 |