CN202218077U - Permanent magnet motor rotor - Google Patents
Permanent magnet motor rotor Download PDFInfo
- Publication number
- CN202218077U CN202218077U CN2011203028246U CN201120302824U CN202218077U CN 202218077 U CN202218077 U CN 202218077U CN 2011203028246 U CN2011203028246 U CN 2011203028246U CN 201120302824 U CN201120302824 U CN 201120302824U CN 202218077 U CN202218077 U CN 202218077U
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- CN
- China
- Prior art keywords
- permanent magnet
- rotator seat
- machine rotor
- magnet machine
- isolating bar
- 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 - Lifetime
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a permanent magnet motor rotor which comprises a rotor stand. The technical scheme of the utility model is that the rotor stand is provided with a plurality of tile-shaped permanent magnets that are arranged circumferentially along the rotating shaft of the rotor stand; an isolation compaction groove is formed between each two adjacent permanent magnets; each isolation compaction groove is provided with an isolation strip which is connected with the rotor stand and is used for compacting each permanent magnet on the rotor stand; and the two sides of each permanent magnet are provided with a compaction structure which is cooperated with each isolation strip for compaction. The utility model aims to overcome defects of the prior art, and provides the permanent magnet motor rotor which is simple in structure and convenient in machining, and allows a magnetic pole to be made into a skewed pole conveniently so that the percentage of pole embrace of the magnetic pole is changed.
Description
[technical field]
The present invention relates to a kind of permanent magnet machine rotor.
[background technology]
High-power direct-drive aerogenerator adopts the tile shape ndfeb magnetic pole usually, and the tile shape magnetic pole is installed on the rotor of permanent-magnetic power generator seat, and its direction of magnetization is generally radial manner.
In the prior motor; Be fixed on for the tile shape ndfeb magnetic pole on the rotator seat of rotor; The method that adopts is that special-shaped groove is made in the bottom surface of ndfeb magnetic pole; On rotator seat, process and the corresponding special-shaped groove of ndfeb magnetic pole, its flute profile is generally swallow-tail form, and the filling bonding agent is bonded and fixed at ndfeb magnetic pole on the rotator seat in groove.Also have in the center of ndfeb magnetic pole and process a through hole, with bolted and the method that adds adhesive bond with on the ndfeb magnetic pole fixed rotor seat.Adopt said method will on turning, process many special-shaped grooves, difficulty of processing is bigger, simultaneously, sustains damage easily at its sealer of ndfeb magnetic pole assembling process, and possibly cause the pole surface protective coating cracked; Will magnetic pole be made the oblique utmost point that forms an angle with axis in addition also is difficult to realize.
[summary of the invention]
The present invention seeks to overcome the deficiency of prior art, provide a kind of simple in structure, easy to process, simultaneously can easily magnetic pole have been made the oblique utmost point, with the permanent magnet machine rotor of the pole embrace that changes magnetic pole.
The present invention realizes through following technical scheme:
A kind of permanent magnet machine rotor; Comprise rotator seat 1; It is characterized in that: described rotator seat 1 is provided with the tile shape permanent magnet 2 of multi-disc along described rotator seat 1 rotating shaft circumferential array; Form to isolate pressing groove 3 between the adjacent two described permanent magnets 2, be provided with in the described isolation pressing groove 3 to be connected with described rotator seat 1 described permanent magnet 2 is pressed on the isolating bar 4 on the described rotator seat 1, the both sides of described permanent magnet 2 are provided with described isolating bar 4 and cooperate the compressing structure 201 that compresses.
Aforesaid permanent magnet machine rotor is characterized in that: described permanent magnet machine rotor is an external rotor, is provided with cylindrical magnet installation cavity 101 in the described rotator seat 1, and described permanent magnet 2 is close on the inwall of described magnet installation cavity 101.
Aforesaid permanent magnet machine rotor is characterized in that: described rotator seat 1 two ends are provided with spoke 102, and described spoke 102 central authorities are provided with shaft hole 103.
Aforesaid permanent magnet machine rotor is characterized in that: described permanent magnet machine rotor is an internal rotor, and described rotator seat 1 is cylindrical, and described permanent magnet 2 is close on the outer circle wall of described rotator seat 1.
Aforesaid permanent magnet machine rotor is characterized in that: be provided with spoke 102 in the described rotator seat 1, described spoke 102 central authorities are provided with rotating shaft 105.
Aforesaid permanent magnet machine rotor is characterized in that: described compressing structure 201 is oblique bevelling, and described isolation pressing groove 3 is the dovetail groove of bottom land press for extracting juice slot opening, and described isolating bar 4 cross sections are for to cooperate the swallow-tail form that compresses with described isolation pressing groove 3.
Aforesaid permanent magnet machine rotor is characterized in that: described permanent magnet 2 is obliquely installed with the rotation of described rotator seat 1.
Compared with prior art, the present invention has following advantage:
The present invention adopts permanent magnet and isolating bar to install at interval and compresses, and processing cost is low, and is simple in structure, so that the assembling of processing of the rotator seat of rotor and permanent magnet pole material.Simultaneously can easily magnetic pole be made the oblique utmost point,, reduce the influence of cogging torque, reduce the detent torque of generator to change the pole embrace of magnetic pole.
[description of drawings]
Fig. 1 is the embodiment of the invention 1 stereogram;
Fig. 2 is that the embodiment of the invention 1 is dissectd structural representation;
Fig. 3 is the embodiment of the invention 2 stereograms;
Fig. 4 is that the embodiment of the invention 2 is dissectd structural representation.
[embodiment]
Below in conjunction with accompanying drawing to further explain of the present invention:
Embodiment 1: like Fig. 1, shown in Figure 2; A kind of permanent magnet machine rotor; Comprise rotator seat 1; Described rotator seat 1 is provided with the tile shape permanent magnet 2 of multi-disc along described rotator seat 1 rotating shaft circumferential array; Form to isolate pressing groove 3 between the adjacent two described permanent magnets 2, be provided with in the described isolation pressing groove 3 to be connected with described rotator seat 1 described permanent magnet 2 is pressed on the isolating bar 4 on the described rotator seat 1, the both sides of described permanent magnet 2 are provided with described isolating bar 4 and cooperate the compressing structure 201 that compresses.
Described permanent magnet machine rotor is an external rotor, is provided with cylindrical magnet installation cavity 101 in the described rotator seat 1, and described permanent magnet 2 is close on the inwall of described magnet installation cavity 101.
Described compressing structure 201 is oblique bevelling, and described isolation pressing groove 3 is the dovetail groove of bottom land press for extracting juice slot opening, and described isolating bar 4 cross sections are for to cooperate the swallow-tail form that compresses with described isolation pressing groove 3.
Described permanent magnet 2 is obliquely installed with the rotation of described rotator seat 1.
Described rotator seat 1 two ends are provided with spoke 102, and described spoke 102 central authorities are provided with shaft hole 103.
Described permanent magnet 2 is obliquely installed with the rotation of described rotator seat 1.
A kind of manufacturing approach of making above-mentioned permanent magnet machine rotor comprises the steps:
A) make rotator seat 1 and permanent magnet 2: be processed into rotator seat 1 outer surface or inner surface cylindrical; Bore isolating bar installing hole and tapping; Permanent magnet is processed the rectangular and making compressing structure 201 of watt shape, on permanent magnet 2, hole with isolating bar installing hole corresponding position;
B) permanent magnet 2 and isolating bar 4 are installed: adopt bonding agent that permanent magnet 2 and isolating bar 4 are installed on the rotator seat 1 at interval, be connected fastening with rotator seat 1 isolating bar 4 with screw;
C) stopping off: armor coated at permanent magnet 2 and isolating bar 4 outer surfaces.
Described bonding agent is an anaerobic adhesive, the epoxide-resin glue of described protective layer on permanent magnet 2 and isolating bar 4 outer surfaces, applying.Described isolating bar and hold-down screw adopt non-magnetic stainless steel material or laminated sheet to process.
Embodiment 2: like Fig. 3, shown in Figure 4; A kind of permanent magnet machine rotor; Comprise rotator seat 1; Described rotator seat 1 is provided with the tile shape permanent magnet 2 of multi-disc along described rotator seat 1 rotating shaft circumferential array; Form to isolate pressing groove 3 between the adjacent two described permanent magnets 2, be provided with in the described isolation pressing groove 3 to be connected with described rotator seat 1 described permanent magnet 2 is pressed on the isolating bar 4 on the described rotator seat 1, the both sides of described permanent magnet 2 are provided with described isolating bar 4 and cooperate the compressing structure 201 that compresses.
Described permanent magnet machine rotor also can be internal rotor, and described rotator seat 1 is cylindrical, and described permanent magnet 2 is close on the outer circle wall of described rotator seat 1.
Be provided with spoke 102 in the described rotator seat 1, described spoke 102 central authorities are provided with rotating shaft 105.
Described compressing structure 201 is oblique bevelling, and described isolation pressing groove 3 is the dovetail groove of bottom land press for extracting juice slot opening, and described isolating bar 4 cross sections are for to cooperate the swallow-tail form that compresses with described isolation pressing groove 3.
Described permanent magnet 2 is obliquely installed with the rotation of described rotator seat 1.
A kind of manufacturing approach of making above-mentioned permanent magnet machine rotor comprises the steps:
D) make rotator seat 1 and permanent magnet 2: be processed into rotator seat 1 outer surface or inner surface cylindrical; Bore isolating bar installing hole and tapping; Permanent magnet is processed the rectangular and making compressing structure 201 of watt shape, on permanent magnet 2, hole with isolating bar installing hole corresponding position;
E) permanent magnet 2 and isolating bar 4 are installed: adopt bonding agent that permanent magnet 2 and isolating bar 4 are installed on the rotator seat 1 at interval, be connected fastening with rotator seat 1 isolating bar 4 with screw;
F) system protective layer: cover protective layer at permanent magnet 2 and isolating bar 4 outer surface systems.
Described bonding agent is an anaerobic adhesive, and described protective layer is by coating epoxide-resin glue at permanent magnet 2 and isolating bar 4 outer surfaces and being entwined with the high-density glass cloth.Described isolating bar and hold-down screw adopt non-magnetic stainless steel material or laminated sheet to process.
The present invention adopts permanent magnet and isolating bar to install at interval and compresses, and processing cost is low, and is simple in structure, so that the assembling of processing of the rotator seat of rotor and permanent magnet pole material.Isolating bar can have a certain degree with rotor axis, can easily magnetic pole be made the oblique utmost point, to change the pole embrace of magnetic pole, reduces the influence of cogging torque, reduces the detent torque of generator.
Above embodiment only supplies to explain the present invention's usefulness; But not limitation of the present invention; The technical staff in relevant technologies field; Without departing from the spirit and scope of the present invention, can also make various conversion or modification, as adopt different magnetic materials, non-magnet material, bonding agent, protective layer material etc.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited each claim.
Claims (7)
1. permanent magnet machine rotor; Comprise rotator seat (1); It is characterized in that: described rotator seat (1) is provided with the tile shape permanent magnet (2) of multi-disc along described rotator seat (1) rotating shaft circumferential array; Form between the adjacent two described permanent magnets (2) and isolate pressing groove (3); Be provided with in the described isolation pressing groove (3) to be connected with described rotator seat (1) described permanent magnet (2) is pressed on the isolating bar (4) on the described rotator seat (1), the both sides of described permanent magnet (2) are provided with and cooperate the compressing structure (201) that compresses with described isolating bar (4).
2. permanent magnet machine rotor according to claim 1; It is characterized in that: described permanent magnet machine rotor is an external rotor; Be provided with cylindrical magnet installation cavity (101) in the described rotator seat (1), described permanent magnet (2) is close on the inwall of described magnet installation cavity (101).
3. permanent magnet machine rotor according to claim 2 is characterized in that: described rotator seat (1) two ends are provided with spoke (102), and described spoke (102) central authorities are provided with shaft hole (103).
4. permanent magnet machine rotor according to claim 1 is characterized in that: described permanent magnet machine rotor is an internal rotor, and described rotator seat (1) is cylindrical, and described permanent magnet (2) is close on the outer circle wall of described rotator seat (1).
5. permanent magnet machine rotor according to claim 4 is characterized in that: be provided with spoke (102) in the described rotator seat (1), described spoke (102) central authorities are provided with rotating shaft (105).
6. permanent magnet machine rotor according to claim 1; It is characterized in that: described compressing structure (201) is oblique bevelling; Described isolation pressing groove (3) is the dovetail groove of bottom land press for extracting juice slot opening, and described isolating bar (4) cross section is for to cooperate the swallow-tail form that compresses with described isolation pressing groove (3).
7. permanent magnet machine rotor according to claim 1 is characterized in that: described permanent magnet (2) is obliquely installed with the rotation of described rotator seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203028246U CN202218077U (en) | 2011-08-19 | 2011-08-19 | Permanent magnet motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203028246U CN202218077U (en) | 2011-08-19 | 2011-08-19 | Permanent magnet motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202218077U true CN202218077U (en) | 2012-05-09 |
Family
ID=46017303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203028246U Expired - Lifetime CN202218077U (en) | 2011-08-19 | 2011-08-19 | Permanent magnet motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202218077U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280959A (en) * | 2011-08-19 | 2011-12-14 | 广东明阳风电产业集团有限公司 | Permanent magnet motor rotor and manufacturing method thereof |
| CN104617689A (en) * | 2015-01-30 | 2015-05-13 | 新疆金风科技股份有限公司 | Wind driven generator, stator iron core of wind driven generator and iron core module of stator |
-
2011
- 2011-08-19 CN CN2011203028246U patent/CN202218077U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280959A (en) * | 2011-08-19 | 2011-12-14 | 广东明阳风电产业集团有限公司 | Permanent magnet motor rotor and manufacturing method thereof |
| CN104617689A (en) * | 2015-01-30 | 2015-05-13 | 新疆金风科技股份有限公司 | Wind driven generator, stator iron core of wind driven generator and iron core module of stator |
| US10541579B2 (en) | 2015-01-30 | 2020-01-21 | Xinjiang Goldwind Science & Technology Co., Ltd. | Wind power generator and stator iron core therof, and stator iron core module |
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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: 528437 Torch Road, Torch Development Zone, Guangdong, Zhongshan, No. 22 Patentee after: Ming Yang wisdom Energy Group AG Address before: 22 Ming Yang Industrial Zone, Torch Road, torch hi tech Industrial Development Zone, Guangdong, Zhongshan 528400, China Patentee before: Guangdong Mingyang Wind Power Group Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |
|
| CX01 | Expiry of patent term |