CN204231044U - External-rotor-type gentle breeze-driven generator structure - Google Patents
External-rotor-type gentle breeze-driven generator structure Download PDFInfo
- Publication number
- CN204231044U CN204231044U CN201420531118.2U CN201420531118U CN204231044U CN 204231044 U CN204231044 U CN 204231044U CN 201420531118 U CN201420531118 U CN 201420531118U CN 204231044 U CN204231044 U CN 204231044U
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- rotor
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- external
- permanent magnet
- driven generator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model is a kind of external-rotor-type gentle breeze-driven generator structure.Comprise bearing arrangement, rotor and stator three parts.Bearing arrangement uses non-maintaining high-precision rolling bearing, and its inner ring and main shaft adopt interference fit to connect, and outer ring and front and rear cover bearing chamber adopt gluing connecing.Main shaft external part connects with frame, and blade and kuppe are arranged on front end housing.Rotor is made up of the front and rear cover by Bolt Connection.Front end housing inner chamber comprises magnetic guiding cycle, permanent magnet positioning seat and permanent magnet, provides good p-m rotor magnetic field by this, can improve generator efficiency.Stationary part is by main shaft, and stator core, insulating frame, stator winding and printed circuit board (PCB) form.Stator winding adopts three-phase distribution, and use the coiling of high accuracy coil winding machine, the end of each winding has reached minimum, improves the utilance of winding.And by certain connecting mode, each coiling is linked up based on printed circuit board (PCB), each winding parallel of homophase, reduce the internal resistance of generator, improve output of a generator.
Description
Technical field
The utility model relates to a kind of external-rotor-type gentle breeze-driven generator structure.
Background technology
Generally traditional gentle breeze-driven generator structure as shown in Figure 1.
The generator amature permanent magnet of this structure adopts neodymium iron boron, and starting torque is very large, under 4 m/s and following wind speed, is difficult to start, therefore cannot generates electricity.
So people attempt the staring torque reducing generator, adopt another kind of gentle breeze-driven generator structure as shown in Figure 2.
The generator amature permanent magnet of this structure still adopts neodymium iron boron, but stator adopts iron-core-free structure, to reach the object reducing generator staring torque.But stator coil internal resistance is very large, therefore causes again generator efficiency to reduce.Even if normally rotate under gentle breeze environment, but due to efficiency low, power output is quite limited, is difficult to satisfy the demand.
Because above-mentioned existing product every shortcoming of deriving, the creation of this case exhausts its intelligence then, to be engaged in affiliated industry experience for many years, to concentrate on studies and is innovated improvement, finally successfully having researched and developed this part external-rotor-type gentle breeze-driven generator structure case, is the creation that a tool effect is promoted in fact.
Summary of the invention
For effectively solving the problem, the purpose of this utility model is, provides a kind of external-rotor-type gentle breeze-driven generator structure; Rotor adopts watt shape permanent magnet that more than two magnetic properties are good, joins custom-designed permanent magnet positioning seat, and positioning seat material is plastic-injection part or aluminum alloy die casting, and permanent magnet material is ferrite or neodymium iron boron; Permanent magnet is secured in inside magnetic guiding cycle by viscose glue and permanent magnet positioning seat, and the technique of the method is more simple and reliable than adopting single metal shell fragment to locate permanent magnet, well more a lot of than employing injection magnet ring on magnetic property; Permanent magnet position distribution is even, without the structure of any damage magnetic property; Good rotor field is provided, improves generator efficiency.
Another object of the present utility model is, provides a kind of external-rotor-type gentle breeze-driven generator structure; Stator winding adopts three-phase distribution, and each phase winding uses precise winding machine directly around entering, and winding overhang has reached minimum, improves the utilance of winding, thus improves generator efficiency.
Another object of the present utility model is, provides a kind of external-rotor-type gentle breeze-driven generator structure, and stator winding adopts single apart from winding, and stator core is permeability magnetic material or soft magnetic material; Single apart from winding reduction End winding power consumption, stator core adopts permeability magnetic material or soft magnetic material, increases the close value of generator windings magnetic, reaches the object increasing electrical power generators power.
An object more of the present utility model is, provides a kind of external-rotor-type gentle breeze-driven generator structure; Stator winding adopts a printed circuit board (PCB), by each winding parallel, reduces the internal resistance of generator, thus improves generator efficiency; This printed circuit board (PCB) adopts single or multiple lift plate, on demand by each for homophase winding parallel combination; This printed circuit board (PCB) also can use metallic conductor and insulation fabric part to realize same function, namely with metallic conductor by each winding parallel, be then embedded in an insulation fabric part.
In order to achieve the above object, the utility model provides a kind of external-rotor-type gentle breeze-driven generator structure.Comprise bearing arrangement, rotor-support-foundation system, stator system and connection combination four major part.Bearing arrangement uses non-maintaining high-precision rolling bearing, and its inner ring and main shaft adopt interference fit to connect, and outer ring and front and rear cover bearing chamber adopt gluing connecing.Rotor-support-foundation system is made up of the front and rear cover by Bolt Connection, and blade and kuppe are arranged on front end housing, and front end housing inner chamber comprises magnetic guiding cycle, permanent magnet positioning seat and permanent magnet, provides good p-m rotor magnetic field by this, can improve generator efficiency.Stator system by main shaft, the stator core of permeability magnetic material, insulating frame, stator winding and printed circuit board (PCB) form; Main shaft external part connects with frame; Stator winding adopts three-phase distribution, and use the single apart from winding of high accuracy coil winding machine coiling, the end of each winding has reached minimum, improves the utilance of winding; Each winding, by certain compound mode, links up based on printed circuit board (PCB), gets up with alternate each group of winding parallel, reduces the internal resistance of generator, improves output of a generator.Connect combination and comprise bolt and sealing ring, by bearing arrangement, rotor-support-foundation system and stator system link up, thus composition external-rotor-type gentle breeze-driven generator.
Characteristic on above-mentioned purpose of the present utility model and structure and fuction thereof, is explained the preferred embodiments according to institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 is traditional gentle breeze-driven generator structure () cross-sectional schematic;
Fig. 2 is traditional gentle breeze-driven generator structure (two) cross-sectional schematic;
Fig. 3 is the cross-sectional schematic of the better enforcement of the utility model;
Fig. 4 is permanent magnet positioning seat schematic diagram of the present utility model;
Fig. 5 is stator winding schematic diagram of the present utility model;
Fig. 6 is power stage curve chart of the present utility model.
Annex description of symbols: 10-stator core; 101-stator winding; 102-rolling bearing; 11-end cap; 12-main shaft; 13-permanent magnet; 20-stator support; 201-main shaft; 202-permanent magnet; 203-rolling bearing; 21-stator winding; 22-rotor field spider; 311-rolling bearing; 3111-housing washer; 3112-rolling bearing inner ring; 312-rolling bearing; 3121-housing washer; 3122-rolling bearing inner ring; 321-front end housing; 3211-bearing chamber; 322-rear end cap; 3221-bearing chamber; 323-permanent magnet positioning seat; 324-permanent magnet; 325-magnetic guiding cycle; 326-sealing ring; 327-attachment bolt; 331-stator core; 3311-stator core endoporus; 332-insulating frame; Insulating frame after 3321-; Insulating frame before 3322-; 333-stator winding; 334-printed circuit board (PCB); 335-main shaft; 3351-axle journal; 3352-axle journal; 3353-collar; 336-wire.
Embodiment
The utility model is to provide a kind of external-rotor-type gentle breeze-driven generator structure.Fig. 3 is the utility model preferred embodiment.Rolling bearing inner ring 3112 and axle journal 3351, rolling bearing inner ring 3122 adopts interference fit to connect with axle journal 3352.Housing washer 3111 and bearing chamber 3221, housing washer 3121 and bearing chamber 3211 adopt gluing connecing.Main shaft external part connects with frame, and blade and kuppe are arranged on front end housing 321.Rotor is made up of with rear end cap 322 front end housing 321 connected by attachment bolt 327 and sealing ring 326.Front end housing 321 inner chamber comprises magnetic guiding cycle 325, permanent magnet positioning seat 323 and permanent magnet 324, provides good p-m rotor magnetic field by this, can improve generator efficiency.The structure of permanent magnet positioning seat 323 as shown in Figure 4, determine according to permanent magnet quantity by the quantity of permanent magnet fixed bit.Stationary part is by main shaft 335, and stator core 331, insulating frame 332, stator winding 333 and printed circuit board (PCB) 334 form.Stator core endoporus 3311 adopts interference fit to connect with axle journal 3353.Rear insulating frame 3321 is enclosed within stator coring groove 3312 with front insulating frame 3322, plays insulating effect.As shown in Figure 5, stator winding 333, adopt three-phase distribution, use precise winding machine, coiling is assemblied on the insulating frame 332 of core slots 3312.The end of each winding has reached minimum, improves the utilance of winding.And by certain connecting mode, each winding is linked up based on printed circuit board (PCB) 334, gets up with alternate each group of winding parallel, reduce the internal resistance of generator, improve output of a generator.Electric energy exports and is then transmitted by wire 336, and surveys the power curve obtained as shown in Figure 6.
More than illustrate the utility model just illustrative, and nonrestrictive.Those of ordinary skill in the art understand, and when not departing from the spirit and scope that following claims limit, can make many amendments, change, or equivalence, but all will fall in protection range of the present utility model.
Claims (8)
1. an external-rotor-type gentle breeze-driven generator structure, is characterized in that, it comprises:
One bearing arrangement, bearing arrangement uses non-maintaining high-precision rolling bearing, and its inner ring and main shaft adopt interference fit to connect, and outer ring and front and rear cover bearing chamber adopt gluing connecing, and main shaft external part connects with frame, and blade and kuppe are arranged on front end housing;
One rotor-support-foundation system, rotor-support-foundation system is made up of the front and rear cover by Bolt Connection, and front end housing inner chamber comprises magnetic guiding cycle, permanent magnet positioning seat and permanent magnet, provides good p-m rotor magnetic field by this;
One stator system, comprises main shaft, stator core, insulating frame, stator winding and printed circuit board (PCB);
One connects combination, comprises bolt and sealing ring.
2. external-rotor-type gentle breeze-driven generator structure as claimed in claim 1, it is characterized in that, generator amature adopts more than two watts of shape permanent magnets, permanent magnet adopts permanent magnet positioning seat to realize circumferencial direction location, positioning seat material is plastic-injection part or aluminum alloy die casting, and permanent magnet material is ferrite or neodymium iron boron.
3. external-rotor-type gentle breeze-driven generator structure as claimed in claim 1, is characterized in that, generator amature uses magnetic guiding cycle, and magnetic guiding cycle uses permeability magnetic material, adopts bonding or wraps the mode of penetrating and be fixed in front end of shield or rear end cap.
4. external-rotor-type gentle breeze-driven generator structure as claimed in claim 1, it is characterized in that, rotor permanent magnet is fixed on inside magnetic guiding cycle by viscose glue and permanent magnet positioning seat.
5. external-rotor-type gentle breeze-driven generator structure as claimed in claim 1, is characterized in that, stator winding adopts three-phase distribution, and each phase winding uses precise winding machine externally-wound type directly around entering.
6. external-rotor-type gentle breeze-driven generator structure as claimed in claim 1, is characterized in that, stator winding adopts single apart from winding, and stator core is permeability magnetic material or soft magnetic material.
7. external-rotor-type gentle breeze-driven generator structure as claimed in claim 1, is characterized in that, with a printed circuit board (PCB) by homophase winding parallel, printed circuit board (PCB) adopts single or multiple lift plate.
8. external-rotor-type gentle breeze-driven generator structure as claimed in claim 1, it is characterized in that, also available metal conductor is by homophase winding parallel, is then embedded in an insulation fabric part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531118.2U CN204231044U (en) | 2014-09-17 | 2014-09-17 | External-rotor-type gentle breeze-driven generator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531118.2U CN204231044U (en) | 2014-09-17 | 2014-09-17 | External-rotor-type gentle breeze-driven generator structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204231044U true CN204231044U (en) | 2015-03-25 |
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ID=52929094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420531118.2U Expired - Fee Related CN204231044U (en) | 2014-09-17 | 2014-09-17 | External-rotor-type gentle breeze-driven generator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204231044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160378A (en) * | 2015-03-16 | 2016-11-23 | 河南亮明电控设备有限公司 | The excellent coreless permanent-magnet wind driven generator of low wind speed charging performance |
| WO2017193513A1 (en) * | 2016-05-09 | 2017-11-16 | 中山大洋电机股份有限公司 | Outer-rotor motor provided with extending dual shafts, and fan using same |
-
2014
- 2014-09-17 CN CN201420531118.2U patent/CN204231044U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160378A (en) * | 2015-03-16 | 2016-11-23 | 河南亮明电控设备有限公司 | The excellent coreless permanent-magnet wind driven generator of low wind speed charging performance |
| WO2017193513A1 (en) * | 2016-05-09 | 2017-11-16 | 中山大洋电机股份有限公司 | Outer-rotor motor provided with extending dual shafts, and fan using same |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20190917 |