CN202153674U - Magnetic circuit structure for motor - Google Patents
Magnetic circuit structure for motor Download PDFInfo
- Publication number
- CN202153674U CN202153674U CN2011202845396U CN201120284539U CN202153674U CN 202153674 U CN202153674 U CN 202153674U CN 2011202845396 U CN2011202845396 U CN 2011202845396U CN 201120284539 U CN201120284539 U CN 201120284539U CN 202153674 U CN202153674 U CN 202153674U
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- CN
- China
- Prior art keywords
- motor
- permanent magnets
- magnetic
- rotor punching
- magnet
- 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
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model discloses a magnetic circuit structure for a motor. The magnetic structure comprises a rotor punching sheet body, and is characterized in that the rotor punching sheet body is provided with eight magnet grooves, and eight permanent magnets are correspondingly arranged in the magnet grooves so as to form a rotor module. The permanent magnets are arranged in an iron core, thus the permanent magnets on a surface are not east to damage; relatively more permanent magnets can be arranged in the iron core so as to improve air-gap flux density and reduce the weight and size of the motor; and a magnetizer and magnetic steel perform no relative motion, and the magnetizer has no magnetic field variation or iron loss, thus the working efficiency of the motor can be improved, and a good starting characteristic and a smooth speed regulation characteristic are provided.
Description
Technical field
The utility model relates to a kind of magnetic structure of motor, specifically is used for the rotor core of high efficiency motor.
Background technology
Along with the national economic development; Deficient gradually inevitably the pollution with it of traditional energy more and more is restricted its application; For making motor product can occupy bigger market share; The development efficiency motors reaches the cost that cuts down the consumption of energy and is client's save money, is the effective ways of realizing this goal at present for current low-carbon economy brings the productivity of sustainable development, adaptation client's requirements at the higher level.
Be widely used in the motor in the fields such as industry, agricultural, commerce, building industry and traffic at present, defective such as ubiquity efficient is low, energy consumption is big can not satisfy the requirement of efficient and energy-saving and emission-reduction.
Permanent magnetic material is to have the high magnetic of economizing, and the magnetic material of high-coercive force once magnetizing, just can be outside magnetic circuit stable magnetic field is provided.In calutron, can replace excitation winding, use very extensive.
When carrying out magnetic Circuit Design; With the design of the working point of permanent magnet when the maximum magnetic energy product point; Available minimum permanent magnet obtains needed magnetic field, and traditional permanent magnet mounting means is a surface-mount type, (directly being attached to the surface); This structure permanent magnet directly bears the demagnetizing effect of armature reaction, because permanent magnet is easy on the surface broken.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned weak point, thereby a kind of magnetic structure of motor is provided, this kind magnetic structure
AbilityImprove air gap flux density, reduce the weight and volume of motor; No changes of magnetic field does not have iron loss in the magnetic conductor, not only
CanImprove the operating efficiency of motor, and have good starting characteristic and level and smooth governor control characteristics.
According to the technical scheme that the utility model provides, the magnetic structure of motor comprises the rotor punching body, and characteristic is: said rotor punching body is provided with magnet slot, places permanent magnet in the said magnet slot and forms rotor module.
As the further improvement of the utility model, said magnet slot is 8, correspondingly in the said magnet slot is placed with 8 permanent magnets.
Compared with present technology the utility model has the following advantages:
Because permanent magnet is placed inside unshakable in one's determination, permanent magnet is difficult on the surface being broken; Can also place more permanent magnet in inside to improve air gap flux density, reduce the weight and volume of motor; Because magnetic conductor and magnet steel do not have relative motion, no changes of magnetic field does not have iron loss in the magnetic conductor, so not only can improve the operating efficiency of motor, and have good starting characteristic and level and smooth governor control characteristics.
Description of drawings
Fig. 1 is the utility model interior permanent magnets structural front view.
Fig. 2 is the utility model interior permanent magnets structure side view.
Embodiment
Following the utility model will combine the embodiment in the accompanying drawing to further describe:
As shown in Figure 1, comprise rotor punching body 1, magnet slot 2, permanent magnet 3.
The utility model only need change the diel of rotor punching, on punch press, goes out rotor punching body 1 with the 50WW470 cold-reduced silicon sheet, and rotor punching body 1 is provided with 8 magnet slot 2.Correspondingly in magnet slot be placed with 8 permanent magnets 3, adopt injection moulding, form rotor module.This assembling does not change the reason assembly mode.
Claims (2)
1. the magnetic structure of a motor comprises rotor punching body (1), it is characterized in that: said rotor punching body (1) is provided with magnet slot (2), places permanent magnet (3) in the said magnet slot and forms rotor module.
2. the magnetic structure of motor as claimed in claim 1, it is characterized in that: said magnet slot (2) is 8, correspondingly in said 8 magnet slot is placed with 8 permanent magnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202845396U CN202153674U (en) | 2011-08-06 | 2011-08-06 | Magnetic circuit structure for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202845396U CN202153674U (en) | 2011-08-06 | 2011-08-06 | Magnetic circuit structure for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202153674U true CN202153674U (en) | 2012-02-29 |
Family
ID=45694167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202845396U Expired - Fee Related CN202153674U (en) | 2011-08-06 | 2011-08-06 | Magnetic circuit structure for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202153674U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332763A (en) * | 2011-08-06 | 2012-01-25 | 无锡市中达电机有限公司 | Magnetic circuit structure of motor |
| CN106357025A (en) * | 2016-09-22 | 2017-01-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor rotor and permanent magnet motor |
-
2011
- 2011-08-06 CN CN2011202845396U patent/CN202153674U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332763A (en) * | 2011-08-06 | 2012-01-25 | 无锡市中达电机有限公司 | Magnetic circuit structure of motor |
| CN106357025A (en) * | 2016-09-22 | 2017-01-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor rotor and permanent magnet motor |
| CN106357025B (en) * | 2016-09-22 | 2019-02-15 | 珠海格力电器股份有限公司 | Rotor and magneto |
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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 |
Granted publication date: 20120229 Termination date: 20180806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |