CN203104153U - Surface-mounted permanent magnet motor and motor rotor punching sheet thereof - Google Patents
Surface-mounted permanent magnet motor and motor rotor punching sheet thereof Download PDFInfo
- Publication number
- CN203104153U CN203104153U CN 201220657765 CN201220657765U CN203104153U CN 203104153 U CN203104153 U CN 203104153U CN 201220657765 CN201220657765 CN 201220657765 CN 201220657765 U CN201220657765 U CN 201220657765U CN 203104153 U CN203104153 U CN 203104153U
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- China
- Prior art keywords
- rotor punching
- permanent magnet
- motor
- mount type
- punching sheet
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- 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)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a motor rotor punching sheet which is suitable for a surface-mounted permanent magnet motor, wherein a plurality of positioning grooves with magnetic poles are arranged on the periphery of the rotor punching sheet, and the rotor punching sheet between adjacent positioning grooves projects outwardly in an arc shape. The beneficial effects of the utility model are that, the positioning problem of the rotor of the surface-mounted permanent magnet motor can be effectively solved, and the rotor punching sheet between adjacent positioning grooves projects outwardly in an arc shape, such that the air gap between the permanent magnet and the stator during the operation of the motor is narrow in the middle and wide at two sides, thereby obtaining sine waves.
Description
Technical field
The utility model relates to a kind of surface-mount type magneto and is applicable to wherein motor rotor punching sheet.
Background technology
At present, because the development of magneto control algolithm makes magneto well be used.Advantages such as that surface-mount type rotor magnetic steel structure magneto has is simple in structure, dependable performance and being widely used.But there is the problem of rotor installing and locating difficulty mostly in the surface-mount type magneto.Especially,, adopt the oblique utmost point of motor mostly, so just more increased positioning difficulty, and if the location is inaccurate, it is not corresponding then can to cause stator field and rotor field to distribute, thereby causes consequences such as electric efficiency reduction, harmonic wave increase in order to reduce harmonic wave.
The utility model content
In order to address the deficiencies of the prior art, the utility model provides a kind of motor rotor punching sheet that is applicable to the surface-mount type magneto, stamps out locating groove on rotor punching, and its purpose is: the rotor orientation problem that can solve the surface-mount type magneto effectively.
For achieving the above object, the utility model is taked following technical scheme:
A kind of motor rotor punching sheet is applicable to the surface-mount type magneto, and the periphery of this rotor punching is provided with a plurality of locating grooves that magnetic pole is housed, and the rotor punching part between two adjacent locating grooves is outwards outstanding.
Preferably, the rotor punching between adjacent two locating grooves partly is circular-arc outwards outstanding.
Preferably, locating groove is made by punching press.
Preferably, the width of locating groove is less than the thickness of permanent magnet in the surface-mount type permanent magnet machine rotor iron core.
Preferably, the width of locating groove is 2 millimeters.
Preferably, locating groove is evenly along the periphery of rotor punching and is spacedly distributed.
A kind of surface-mount type magneto, the rotor core of this surface-mount type magneto comprises above-mentioned motor rotor punching sheet and permanent magnet; The periphery of rotor punching is provided with a plurality of locating grooves that magnetic pole is housed, and the rotor punching part between two adjacent locating grooves is outwards outstanding; Permanent magnet is arranged on the outwards outstanding rotor punching part.
Preferably, the rotor punching between two locating grooves that rotor punching is adjacent partly is circular-arc outwards outstanding.
Preferably, the width of locating groove is less than the thickness of permanent magnet.
Preferably, locating groove is evenly along the periphery of rotor punching and is spacedly distributed.
The utility model is owing to take above-described technical scheme, it comprises following advantage: the rotor orientation problem that can solve the surface-mount type magneto effectively, the rotor punching of pasting permanent magnet partly is circular-arc outwards outstanding, little two hem widths in the middle of air gap when making the motor operation between permanent magnet and the stator becomes can obtain sine wave like this.
Description of drawings
Fig. 1 is the structure chart of the motor rotor punching sheet of an execution mode of the present utility model.
Fig. 2 is the structure chart that is pasted with permanent magnet on the motor rotor punching sheet described in the utility model.
Fig. 3 is the cutting orientation structure figure of permanent magnet among Fig. 2.
Among the figure:
1, locating groove, 2, permanent magnet.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Fig. 1 is the structure chart of the motor rotor punching sheet of an execution mode of the present utility model.As shown in Figure 1, a kind of motor rotor punching sheet that is applicable to the surface-mount type magneto, its periphery are provided with 12 locating grooves 1 that magnetic pole is housed, and the rotor punching part between two adjacent locating grooves 1 is outwards outstanding.In the execution mode as shown in Figure 1, it is circular-arc outwards outstanding that the rotor punching between two adjacent locating grooves 1 partly is.
Alternatively, locating groove 1 can be made by punching press.Be not limited thereto during realization, also can make by other suitable manner.
Alternatively, the width of locating groove 1 can be 2 millimeters (mm), less than the thickness of permanent magnet 2 in the rotor core of surface-mount type magneto.Be not limited thereto during realization, can change the width of locating groove 1, so that locate better according to actual conditions.
Alternatively, locating groove 1 is evenly along the periphery of rotor punching and is spacedly distributed, 12 locating grooves that evenly are spacedly distributed 1 shown in Fig. 1, permanent magnet 2 sticks on two circular arcs between the locating groove 1, be that permanent magnet 2 sticks on and is on the circular-arc outwards outstanding rotor punching part, with reference to figure 2.During specific implementation, can determine the quantity of required permanent magnet 2 according to the required pole embrace of motor sum of series, and then stamp out the locating groove 1 of equal number according to the quantity of required permanent magnet 2.
Alternatively, the rotor punching that is used for pasting permanent magnet 2 partly is circular-arc outwards outstanding, and permanent magnet 2 is tangential shape as shown in Figure 3, makes when the motor overall operation, little two hem widths in the middle of air gap between permanent magnet 2 and the stator becomes can obtain sine wave like this.By analogue simulation, can regulate the projecting degree of circular arc ledge, with sine wave that obtain wanting, match operation.
The surface-mount type magneto of the embodiment of the present application includes above-mentioned motor rotor punching sheet and permanent magnet 2 in its rotor core.In conjunction with illustrated in figures 1 and 2, the periphery of rotor punching is provided with a plurality of locating grooves 1 that magnetic pole is housed, and the rotor punching part between two adjacent locating grooves 1 is outwards outstanding.Permanent magnet 2 is arranged on the outwards outstanding rotor punching part.
Among the application's the embodiment, permanent magnet 2 sticks on the outwards outstanding rotor punching part.
Among the application's the embodiment, it is circular-arc outwards outstanding that the rotor punching between adjacent two locating grooves 1 of rotor punching partly is.
Among the application's the embodiment, the width of locating groove 1 is less than the thickness of permanent magnet 2, such as being 2mm.
Among the application's the embodiment, locating groove 1 is evenly along the periphery of rotor punching and is spacedly distributed.
Obviously, those skilled in the art painstakingly carries out various changes and modification to the utility model and does not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (8)
1. motor rotor punching sheet, be applicable to the surface-mount type magneto, it is characterized in that: the periphery of described rotor punching is provided with a plurality of locating grooves that magnetic pole is housed, rotor punching part between two adjacent locating grooves is outwards outstanding, and the width of described locating groove is less than the thickness of permanent magnet in the surface-mount type permanent magnet machine rotor iron core.
2. motor rotor punching sheet according to claim 1 is characterized in that: the rotor punching between two adjacent locating grooves partly is circular-arc outwards outstanding.
3. motor rotor punching sheet according to claim 1 is characterized in that: described locating groove is made by punching press.
4. according to claim 1 or 2 or 3 described motor rotor punching sheets, it is characterized in that: the width of described locating groove is 2 millimeters.
5. according to claim 1,2 or 3 described motor rotor punching sheets, it is characterized in that: described locating groove is evenly along the periphery of described rotor punching and is spacedly distributed.
6. surface-mount type magneto, it is characterized in that: the rotor core of this surface-mount type magneto comprises motor rotor punching sheet and permanent magnet; The periphery of described rotor punching is provided with a plurality of locating grooves that magnetic pole is housed, and the rotor punching part between two adjacent locating grooves is outwards outstanding; Described permanent magnet is arranged on the outwards outstanding described rotor punching part, and the width of described locating groove is less than the thickness of described permanent magnet.
7. surface-mount type magneto according to claim 6 is characterized in that: the rotor punching between adjacent two locating grooves of described rotor punching partly is circular-arc outwards outstanding.
8. according to claim 6 or 7 described surface-mount type magnetoes, it is characterized in that: described locating groove is evenly along the periphery of described rotor punching and is spacedly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220657765 CN203104153U (en) | 2012-12-03 | 2012-12-03 | Surface-mounted permanent magnet motor and motor rotor punching sheet thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220657765 CN203104153U (en) | 2012-12-03 | 2012-12-03 | Surface-mounted permanent magnet motor and motor rotor punching sheet thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104153U true CN203104153U (en) | 2013-07-31 |
Family
ID=48855529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220657765 Expired - Fee Related CN203104153U (en) | 2012-12-03 | 2012-12-03 | Surface-mounted permanent magnet motor and motor rotor punching sheet thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104153U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546777A (en) * | 2019-01-21 | 2019-03-29 | 哈尔滨理工大学 | A kind of rotor structure promoting durface mounted permanent magnet synchronous motor performance |
| CN109560630A (en) * | 2017-09-27 | 2019-04-02 | 杭州三花研究院有限公司 | Rotor assembly and motor and electrodynamic pump |
-
2012
- 2012-12-03 CN CN 201220657765 patent/CN203104153U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560630A (en) * | 2017-09-27 | 2019-04-02 | 杭州三花研究院有限公司 | Rotor assembly and motor and electrodynamic pump |
| CN109546777A (en) * | 2019-01-21 | 2019-03-29 | 哈尔滨理工大学 | A kind of rotor structure promoting durface mounted permanent magnet synchronous motor performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING CTB SERVO TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING BEICHAO SERVO TECHNIQUES CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 101500 Beijing city Miyun ten Li Bao Zhen Wang Ge Zhuang Village West 200 meters Patentee after: BEIJING CHAOTONGBU SERVO CO., LTD. Address before: 101500 Beijing city Miyun ten Li Bao Zhen Wang Ge Zhuang Village West 200 meters Patentee before: Beijing Beichao Servo Techniques Co., Ltd. |
|
| 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: 20130731 Termination date: 20201203 |