CN206004430U - The permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction produces - Google Patents
The permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction produces Download PDFInfo
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- CN206004430U CN206004430U CN201620817822.3U CN201620817822U CN206004430U CN 206004430 U CN206004430 U CN 206004430U CN 201620817822 U CN201620817822 U CN 201620817822U CN 206004430 U CN206004430 U CN 206004430U
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- magnet steel
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Abstract
The utility model discloses the permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction produces, including rotor punching, symmetrical magnet steel, asymmetric magnet steel, permanent magnet, magnetic conduction steel disc, shell, described magnetic conduction steel disc is distributed in permanent magnet periphery, described magnetic conduction steel disc periphery is distributed with symmetrical magnet steel and asymmetric magnet steel, and described shell is arranged in the periphery of described symmetrical magnet steel and asymmetric magnet steel；Circumferentially shape is uniformly fixedly mounted on the outside of rotor punching to described symmetrical magnet steel, and quantity is odd number, is reserved with magnet isolation tank between symmetrical magnet steel；It is provided with least one asymmetric magnet steel, the quantity of described asymmetric magnet steel is odd number between described symmetrical magnet steel.The utility model has the advantages that：Using the permanent magnet of dissymmetrical structure, the magnetic field of otherwise symmetrical is changed into non-uniform gap, reduces the temperature rise of motor it is ensured that the high-performance of motor.Improve magnetic flux density, thus decreasing leakage field, improve electric efficiency.
Description
Technical field
This utility model is related to a kind of motor rotor punching sheet, especially relates to the external rotor permanent magnet that a kind of magnetizing direction produces
Synchro traction machine.
Background technology
Generally on the inwall of the casing of direct current generator, at least two magnetic poles, adjacent two magnetic pole poles are set along the inwall circle spacing
Property is contrary.Larger by existing between the two neighboring opposite polarity magnetic pole installed on the inwall of the casing of direct current generator
Air-gap magnetic circuit passage, leakage field ratio is more serious, and efficiency is low.For less leakage field, the method generally adopting is to thicken corresponding described gas
The casing outer wall of gap magnetic circuit passage, increasing solid magnetic circuit passage, improves magnetic flux density, thus decreasing leakage field, improve
Electric efficiency, but the method makes the corresponding described air-gap magnetic circuit channel position of casing outer wall outwardly, thus increased electricity
The volume of machine, and affect attractive in appearance.The magnetizing direction of permanent magnet is essentially all tangential or radial magnetizing.The leakage field ratio of permanent magnet
More, stock utilization is not high.
Utility model content
This utility model is directed to the deficiency of existing product, and provides the external rotor permanent magnet that a kind of magnetizing direction produces synchronously to drag
Draw machine.
The permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction of the present utility model produces, including rotor punching, symmetrically
Magnet steel, asymmetric magnet steel, permanent magnet, magnetic conduction steel disc, shell, described magnetic conduction steel disc is distributed in permanent magnet periphery, described leads
Magnetic links periphery is distributed with symmetrical magnet steel and asymmetric magnet steel, and described shell is arranged in described symmetrical magnet steel and asymmetric magnetic
The periphery of steel；Circumferentially shape is uniformly fixedly mounted on the outside of rotor punching to described symmetrical magnet steel, and quantity is odd number,
It is reserved with magnet isolation tank between symmetrical magnet steel；It is provided with least one asymmetric magnet steel between described symmetrical magnet steel, described asymmetric
The quantity of magnet steel is odd number.
Further, described shell is made using nonmagnetic alloy.
Further, the outer ring of described rotor punching has several installation notch, and in described installation notch, embedded installation is right
Claim magnet steel and asymmetric magnet steel, the outer ring of described rotor punching has the equal number of magnet isolation tank with installation notch.
Further, the big 0.2-0.3mm of the symmetrical magnet thickness of the depth ratio of described installation notch.
Further, the depth of described asymmetric magnet steel is identical with symmetrical magnet steel, and the radian of asymmetric magnet steel is not equal to symmetrically
Magnet steel.
Further, described symmetrical magnet steel is collectively constituted by one or more permanent magnet.
Further, it is provided with a lamellar spacing between described shell and symmetrical magnet steel, asymmetric magnet steel.
The beneficial effects of the utility model are：1st, this utility model adopts the permanent magnet of dissymmetrical structure, by otherwise symmetrical
Magnetic field be changed into non-uniform gap, reduce the temperature rise of motor it is ensured that the high-performance of motor.Improve magnetic flux density,
Thus decreasing leakage field, improve electric efficiency；2nd, it is provided with a lamellar spacing between shell and symmetrical magnet steel, asymmetric magnet steel,
Thus defining breath every magnetic, intercepting leakage field passage further, being also prevented from the suction ferrum phenomenon near permanent magnet simultaneously.
Brief description
Fig. 1 is structural representation of the present utility model.
In figure：Rotor punching 1, symmetrical magnet steel 2, asymmetric magnet steel 3, permanent magnet 4, magnetic conduction steel disc 5, shell 6.
Specific embodiment
With reference to embodiment, the utility model will be further described.
The permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction of the present utility model produces is mainly by rotor punching 1, right
Magnet steel 2, asymmetric magnet steel 3, permanent magnet 4, magnetic conduction steel disc 5, shell 6 is claimed to form.
The permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction produces, including rotor punching 1, symmetrical magnet steel 2, asymmetric
Magnet steel 3, permanent magnet 4, magnetic conduction steel disc 5, shell 6, described magnetic conduction steel disc 5 is distributed in permanent magnet 4 periphery, described magnetic conduction steel disc
5 periphery are distributed with symmetrical magnet steel 2 and asymmetric magnet steel 3, and described shell 6 is arranged in described symmetrical magnet steel 2 and asymmetric magnetic
The periphery of steel 3；Circumferentially shape is uniformly fixedly mounted on the outside of rotor punching 1 to described symmetrical magnet steel 2, and quantity is strange
Number, is reserved with magnet isolation tank between symmetrical magnet steel 2；It is provided with least one asymmetric magnet steel 3 between described symmetrical magnet steel 2, described
The quantity of asymmetric magnet steel 3 is odd number.
The outer ring of described rotor punching 1 has several installation notch, the symmetrical magnet steel 2 of embedded installation in described installation notch
With asymmetric magnet steel 3, the outer ring of described rotor punching 1 has the equal number of magnet isolation tank with installation notch.
The big 0.2-0.3mm of the symmetrical magnet steel of depth ratio 2 thickness of described installation notch.
The depth of described asymmetric magnet steel 3 is identical with symmetrical magnet steel 2, and the radian of asymmetric magnet steel 3 is not equal to symmetrical magnet steel
2.
Described symmetrical magnet steel 2 is collectively constituted by one or more permanent magnet.
Described shell 6 and be symmetrically provided with a lamellar spacing between magnet steel 2, asymmetric magnet steel 3.Thus define breath every
Magnetic, intercepts leakage field passage further, is also prevented from the suction ferrum phenomenon near permanent magnet simultaneously.
The permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction of the present utility model produces, using dissymmetrical structure forever
Magnet, the magnetic field of otherwise symmetrical is changed into non-uniform gap, reduces the temperature rise of motor it is ensured that the high-performance of motor.
Improve magnetic flux density, thus decreasing leakage field, improve electric efficiency；Set between shell and symmetrical magnet steel, asymmetric magnet steel
It is equipped with a lamellar spacing, thus defining breath every magnetic, intercepting leakage field passage further, being also prevented from the suction ferrum near permanent magnet simultaneously
Phenomenon.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
The equivalent structure made using this utility model description or equivalent flow conversion, or directly or indirectly it is used in other phases
The technical field closed, is all included in the same manner in scope of patent protection of the present utility model.
Claims (7)
1. the permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction produces, is characterized in that, including rotor punching（1）, symmetrical magnetic
Steel（2）, asymmetric magnet steel（3）, permanent magnet（4）, magnetic conduction steel disc（5）, shell（6）, described magnetic conduction steel disc（5）It is distributed in permanent magnet
（4）Periphery, described magnetic conduction steel disc（5）Periphery is distributed with symmetrical magnet steel（2）With asymmetric magnet steel（3）, described shell
（6）It is arranged in described symmetrical magnet steel（2）With asymmetric magnet steel（3）Periphery；Described symmetrical magnet steel（2）Circumferentially shape is uniform
Be fixedly mounted on rotor punching（1）Outside, and quantity be odd number, symmetrical magnet steel（2）Between be reserved with magnet isolation tank；Described right
Claim magnet steel（2）Between be provided with least one asymmetric magnet steel（3）, described asymmetric magnet steel（3）Quantity be odd number.
2. the permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction according to claim 1 produces, is characterized in that, described
Shell（6）Made using nonmagnetic alloy.
3. the permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction according to claim 1 produces, is characterized in that, described
Rotor punching（1）Outer ring have several installation notch, embedded in described installation notch symmetrical magnet steel is installed（2）With asymmetric
Magnet steel（3）, described rotor punching（1）Outer ring have the equal number of magnet isolation tank with installation notch.
4. the permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction according to claim 3 produces, is characterized in that, described
The symmetrical magnet steel of depth ratio of installation notch（2）The big 0.2-0.3mm of thickness.
5. the permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction according to claim 1 produces, is characterized in that, described
Asymmetric magnet steel（3）Depth and symmetrical magnet steel（2）Identical, asymmetric magnet steel（3）Radian be not equal to symmetrical magnet steel（2）.
6. the permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction according to claim 1 produces, is characterized in that, described
Symmetrical magnet steel（2）Collectively constituted by one or more permanent magnet.
7. the permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction according to claim 1 produces, is characterized in that, described
Shell（6）With symmetrical magnet steel（2）, asymmetric magnet steel（3）Between be provided with a lamellar spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817822.3U CN206004430U (en) | 2016-07-30 | 2016-07-30 | The permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction produces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817822.3U CN206004430U (en) | 2016-07-30 | 2016-07-30 | The permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction produces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206004430U true CN206004430U (en) | 2017-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620817822.3U Active CN206004430U (en) | 2016-07-30 | 2016-07-30 | The permanent magnet synchronous traction machine with outer rotor that a kind of magnetizing direction produces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206004430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086720A (en) * | 2017-04-18 | 2017-08-22 | 快意电梯股份有限公司 | Internal rotor permanent-magnetic synchro traction machine |
-
2016
- 2016-07-30 CN CN201620817822.3U patent/CN206004430U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086720A (en) * | 2017-04-18 | 2017-08-22 | 快意电梯股份有限公司 | Internal rotor permanent-magnetic synchro traction machine |
| CN107086720B (en) * | 2017-04-18 | 2023-09-05 | 快意电梯股份有限公司 | Inner rotor permanent magnet synchronous traction machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 200233 Jinshan District Fengjing town Shanghai Wanfeng 2666 Lane Road No. 69 Building No. 7 Patentee after: Shanghai Faxi Drive Technology Co., Ltd. Address before: Wanfeng highway 200233 Shanghai city Jinshan District Fengjing Industrial Zone No. 2666 Patentee before: SHANGHAI DUGE DRIVER EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |