CN203632503U - Claw-pole brushless generator - Google Patents
Claw-pole brushless generator Download PDFInfo
- Publication number
- CN203632503U CN203632503U CN201320853288.8U CN201320853288U CN203632503U CN 203632503 U CN203632503 U CN 203632503U CN 201320853288 U CN201320853288 U CN 201320853288U CN 203632503 U CN203632503 U CN 203632503U
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- Prior art keywords
- claw
- pole
- pawl
- magnet steel
- face
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- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 230000004907 flux Effects 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 9
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 210000000078 claw Anatomy 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 14
- 210000004744 fore-foot Anatomy 0.000 claims description 10
- 230000005284 excitation Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Images
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model relates to a claw-pole brushless generator. The claw-pole brushless generator comprises the components of: an external stator with an armature winding, a claw-pole brushless rotor, an internal stator with an exciting winding, and a generator housing. The claw-pole brushless rotor comprises front claw-poles and back claw-poles. he inner stator is mounted in the claw-pole brushless rotor. The claw-pole brushless generator is characterized in that: the front claw-poles and the back claw-poles at the front part in rotation direction are connected through stainless steel bridge welding; magnetic steel is filled between each front claw-pole and the back claw-pole at the back part in the rotation direction; and the magnetic line direction of the magnetic steel is opposite to the direction of gap magnetic leakage flux. According to the claw-pole brushless generator, based on no generator structure change, magnetic leakage flux is resisted through filling the magnetic steel at the gaps between adjacent front claw-poles and back claw-poles. Furthermore main magnetic flux is reinforced and compensated. Power generating performance of the claw-pole brushless generator is improved. Amount of generated power can be effectively increased for more than 15%.
Description
Technical field:
The utility model belongs to electrical generator fields, particularly a kind of claw pole type brushless generator with low magnetism leakage.
Background technology:
The brushless generator of claw-pole rotor, simple in structure because of it, use extensively, but because pawl interelectrode magnetic leakage is logical very large, claw pole type motor efficiency is not high.Existing claw pole type brushless generator structure, comprises the formations such as silicon steel sheet armature winding external stator, claw-pole brushless rotor, internal stator iron core and excitation winding, generator casing; Wherein claw-pole brushless rotor, comprises the interlaced fore paw utmost point and the rear solid end utmost point.When generating, the magnetic field that excitation winding energising produces forms magnetic loop through the rear solid end utmost point, air gap, external stator silicon steel sheet, air gap, the fore paw utmost point of rotor, rotor main shaft, the internal stator iron core of internal stator iron core, rotor.At the magnetic line of force, during through the front and back pawl utmost point, the polarity of the magnetic field of extremely going up with rear solid end at the fore paw utmost point is contrary, therefore, can produce larger leakage flux at this fore paw utmost point and rear solid end interpolar.When generator output is larger, the excitation needing is larger, and leakage flux is also larger, so leakage flux has affected the maximum output with motor greatly.
Summary of the invention:
The purpose of this utility model is that a kind of gap at the forward and backward pawl utmost point of design is provided with magnet steel, is used for resisting the claw pole type brushless generator of leakage flux.
Technical solutions of the utility model are achieved in that a kind of claw pole type brushless generator, and its structure includes external stator with armature winding, claw-pole brushless rotor, internal stator and generator casing with excitation winding; Described claw-pole brushless rotor comprises the fore paw utmost point and the rear solid end utmost point, described internal stator is arranged in claw-pole brushless rotor, it is characterized in that the fore paw utmost point and the rear solid end interpolar in rotation front are welded and fused by stainless steel bridge, at least be filled with magnet steel with the rear solid end interpolar of rear swivel, the magnetic line of force direction of described magnet steel and this gap leakage flux opposite direction.
The gap of the described adjacent forward and backward pawl utmost point is all filled with magnet steel.
The magnetic flux of described magnet steel equals greatly the leakage flux of forward and backward pawl interpolar; Described magnet steel is fixed on the middle position of the extremely adjacent pawl pole-face of forward and backward pawl.
Length, thickness that spacing, the length that described magnet steel width is greater than adjacent pawl pole-face is less than adjacent pawl pole-face are 30%-50% of adjacent pawl pole-face height.
Described magnet steel is fixed on stainless steel bridge inner side radially.
Described magnet steel two ends embed respectively in the adjacent pawl pole-face of the forward and backward pawl utmost point, and the caulking groove opening of forward and backward pawl pole-face is all located at the minimum head end of pawl, and the very big head end of pawl is enclosed construction, after magnet steel is put into, are formed the embedded fixed structure of sealing by forward and backward pawl pole-face.
The utility model is not changing on the basis of electric generator structure, by filling magnet steel at adjacent forward and backward pawl clearance between poles, be used for resisting leakage flux, and enhancing compensates main flux, improve claw pole type brushless generator power generation performance, can effectively increase more than 15% energy output.
Accompanying drawing explanation:
Below in conjunction with concrete legend, the utility model is described further:
Fig. 1 claw pole type brushless generator generalized section
Fig. 2 claw-pole brushless rotor schematic diagram
The forward and backward pawl utmost point of Fig. 3 is related to generalized section
Fig. 4 magnet steel mounting structure generalized section
Fig. 5 magnet steel mounting structure two generalized sections
Fig. 6 magnet steel and pawl pole-face mounting structure schematic diagram
Wherein
1-external stator, 2-internal stator, 3-claw-pole brushless rotor, 31-fore paw utmost point
32-rear solid end utmost point, 33-caulking groove 4-stainless steel bridge 5-magnet steel
Embodiment:
With reference to Fig. 1, Fig. 2 and Fig. 3, claw pole type brushless generator, include the external stator 1 with armature winding, the internal stator 2 with excitation winding, claw-pole brushless rotor 3 and generator casing, the present invention does not relate to generator casing, therefore omission generator casing, described internal stator 2 is arranged in claw-pole brushless rotor 3; Claw-pole brushless rotor 3 comprises the fore paw utmost point 31 and the rear solid end utmost point 32, wherein between the rear solid end utmost point 32 in the fore paw utmost point 31 and rotation front, be welded and fused by stainless steel bridge 4, and between the rear solid end utmost point 32 of rear swivel, be filled with magnet steel 5, the magnetic line of force direction of magnet steel 5 and this gap leakage flux opposite direction.As Fig. 3, in this example, the gap of the adjacent forward and backward pawl utmost point 31,32 is all filled with magnet steel; The magnet steel 5 that is welded with stainless steel bridge 4 places 31,32 of the adjacent forward and backward pawl utmost points, is fixed on stainless steel bridge 4 inner side radially.
The magnetic flux of described magnet steel 5 equals greatly the leakage flux of 31,32 of the forward and backward pawl utmost points, and its maximum is during with generator field winding no power, rotor maximum speed, and at this moment generator is as permanent magnet generator work, and output no-load voltage can not exceed load voltage value.
With reference to Fig. 4, Fig. 5 and Fig. 6, magnet steel 5 is fixed on the middle position of the forward and backward pawl utmost point 31,32 adjacent pawl pole-faces, due to the leakage flux maximum of adjacent pawl pole-face, utilizes magnet steel magnetic field to resist leakage flux.Length, thickness that spacing, the length that magnet steel 5 width are greater than adjacent pawl pole-face is less than adjacent pawl pole-face are 30%-50% of adjacent pawl pole-face height; Like this, magnet steel 5 two ends can, as figure, embed and be fixed on adjacent pawl pole-face, while guaranteeing rotation, do not depart from.The scheme embedding has two kinds, and the first is as Fig. 4, and magnet steel 5 two ends are tack structure, directly embeds in the caulking groove 33 that adjacent pawl pole-face is preset with, and forms the structure that interfixes; It two is as Fig. 5, and pyramidal structure is processed at magnet steel 5 two ends, utilizes two tapered ends to embed on adjacent pawl pole-face; Here relate to pawl pole-face and be processed with caulking groove 33, more particularly, caulking groove 33 openings of forward and backward pawl pole-face are all located at the minimum head end of pawl, and the very big head end of pawl is enclosed construction, after magnet steel 5 is put into, are formed the embedded fixed structure of sealing, as Fig. 6 by forward and backward pawl pole-face.
Claims (6)
1. a claw pole type brushless generator, its structure includes external stator with armature winding, claw-pole brushless rotor, internal stator and generator casing with excitation winding; Described claw-pole brushless rotor comprises the fore paw utmost point and the rear solid end utmost point, described internal stator is arranged in claw-pole brushless rotor, it is characterized in that the fore paw utmost point and the rear solid end interpolar in rotation front are welded and fused by stainless steel bridge, at least be filled with magnet steel with the rear solid end interpolar of rear swivel, the magnetic line of force direction of described magnet steel and this gap leakage flux opposite direction.
2. a kind of claw pole type brushless generator according to claim 1, is characterized in that the gap of the adjacent forward and backward pawl utmost point is all filled with magnet steel.
3. a kind of claw pole type brushless generator according to claim 1 and 2, is characterized in that the magnetic flux of magnet steel equals greatly the leakage flux of forward and backward pawl interpolar; Described magnet steel is fixed on the middle position of the extremely adjacent pawl pole-face of forward and backward pawl.
4. a kind of claw pole type brushless generator according to claim 3, is characterized in that it is 30%-50% of adjacent pawl pole-face height that magnet steel width is greater than length, the thickness that the spacing of adjacent pawl pole-face, length be less than adjacent pawl pole-face.
5. a kind of claw pole type brushless generator according to claim 1 and 2, is characterized in that magnet steel is fixed on stainless steel bridge inner side radially.
6. a kind of claw pole type brushless generator according to claim 1 and 2, it is characterized in that magnet steel two ends embed respectively in the adjacent pawl pole-face of the forward and backward pawl utmost point, the caulking groove opening of forward and backward pawl pole-face is all located at the minimum head end of pawl, the very big head end of pawl is enclosed construction, after magnet steel is put into, formed the embedded fixed structure of sealing by forward and backward pawl pole-face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320853288.8U CN203632503U (en) | 2013-12-23 | 2013-12-23 | Claw-pole brushless generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320853288.8U CN203632503U (en) | 2013-12-23 | 2013-12-23 | Claw-pole brushless generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203632503U true CN203632503U (en) | 2014-06-04 |
Family
ID=50818939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320853288.8U Expired - Fee Related CN203632503U (en) | 2013-12-23 | 2013-12-23 | Claw-pole brushless generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203632503U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505962A (en) * | 2015-01-16 | 2015-04-08 | 山东理工大学 | Axial excitation magnetic flux switching motor |
| CN105141056A (en) * | 2015-09-17 | 2015-12-09 | 北京航天控制仪器研究所 | Method for solving high-speed sweeping of claw-pole motor and claw-pole motor |
| CN104117755B (en) * | 2014-07-31 | 2016-06-15 | 常州市武进永恒电器有限公司 | The numerical control welding equipment of brushless electric machine pole pawl |
| CN108964306A (en) * | 2018-07-16 | 2018-12-07 | 成都华川电装有限责任公司 | Pawl pole and rotor for 48V starting motor integrating |
| CN112994286A (en) * | 2019-12-13 | 2021-06-18 | 三菱电机株式会社 | Rotating electrical machine |
-
2013
- 2013-12-23 CN CN201320853288.8U patent/CN203632503U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117755B (en) * | 2014-07-31 | 2016-06-15 | 常州市武进永恒电器有限公司 | The numerical control welding equipment of brushless electric machine pole pawl |
| CN104505962A (en) * | 2015-01-16 | 2015-04-08 | 山东理工大学 | Axial excitation magnetic flux switching motor |
| CN105141056A (en) * | 2015-09-17 | 2015-12-09 | 北京航天控制仪器研究所 | Method for solving high-speed sweeping of claw-pole motor and claw-pole motor |
| CN108964306A (en) * | 2018-07-16 | 2018-12-07 | 成都华川电装有限责任公司 | Pawl pole and rotor for 48V starting motor integrating |
| CN112994286A (en) * | 2019-12-13 | 2021-06-18 | 三菱电机株式会社 | Rotating electrical machine |
| CN112994286B (en) * | 2019-12-13 | 2023-09-12 | 三菱电机株式会社 | Rotary electric machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180713 Address after: 351200 No. 555 South Road, Licheng Street South Bridge community, Xianyou, Putian, Fujian Patentee after: Fujian Xianyou Electrical Machinery Co., Ltd. Address before: 351200 No. 555 South Road, Lei Town, Xianyou County, Putian, Fujian Patentee before: Ye Yuwei |
|
| 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: 20140604 Termination date: 20191223 |