CN203614324U - Direct-driving type laminated wind power generator - Google Patents
Direct-driving type laminated wind power generator Download PDFInfo
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- CN203614324U CN203614324U CN201320459840.5U CN201320459840U CN203614324U CN 203614324 U CN203614324 U CN 203614324U CN 201320459840 U CN201320459840 U CN 201320459840U CN 203614324 U CN203614324 U CN 203614324U
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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
Abstract
The utility model provides a direct-driving type laminated wind power generator and concretely relates to a direct-driving permanent magnet wind power generator with a laminated structure. In a diameter direction, the wind power generator is provided with a sleeve layer; in an axial direction, the wind power generator is provided with a laminated structure. The direct-driving type laminated wind power generator is formed by a blade, a front baffle sheet, a wheel hub, a front bearing, a front rotator, a front stator, a rack, a main shaft, a back stator, a back rotator, a back bearing, a back baffle sheet, a cabin housing, a tower rack, a variable pitch device, a yaw device and a starting device. The laminated structure of the direct-driving type laminated wind power generator fully utilizes space of the generator, so numbers of rotate magnetic poles and stator iron core coils are increased and the diameter of a direct-driving wind power generator with the same power is reduced; or with the same diameter, generated output of a single generator is increased; and a grid-connected direct-driving wind power generator with variable speed and pitch as well as large power formed by the direct-driving type laminated wind power generator can be applied to various land and offshore wind power generating fields.
Description
Technical field
The present invention relates to a kind of high-power wind power generator incorporated in power network, the direct-driving type lamination wind-driven generator forming according to the present invention, can be used for all kinds of wind power plants in land and coastal waters.
Background technique
Horizontal axis, lift-type three blades, upwind, speed-changing oar-changing wind turbine is main force's type of modern commerce grid connected wind power machine.Putting before this, is that direct-driving type or band speed change gear are divided into wind turbine again two large classes according to main transmission.The wherein wind turbine with speed change gear, maximum advantage is the slow-speed of revolution of impeller to be increased to the rotating speed that generator needs by speed raising apparatus, makes the diameter of generator be reduced to manufacture, transportation, the scope that the processes such as installation can allow simultaneously.But due to the premature failure of speed change gear, face significant cost and the loss of shutdown, maintenance, this is confirmed by practice.Secondly, due to the existence of speed raising apparatus in main transmission, the transmission efficiency causing is lower, and manufacture cost raises, and complex structure etc. are the problem facing in its development all the time.And the sharpest edges of direct-driving type wind turbine are the speed raising apparatus that has omitted main transmission, thereby directly solve because speed raising apparatus exists all problems bringing.But along with improving constantly of single-machine capacity, the generator diameter of direct-driving type wind turbine, owing to being manufactured, transports, the restriction of the conditions such as installation can not unrestrictedly increase.Domestic land direct-driving type wind turbine reaches 2MW at present, has occurred the Bottleneck Restrictions such as transportation, manufacture.Therefore, effectively dwindling its diameter under direct-driving type prerequisite, is the significant problem that needs solution.A kind of direct-driving type lamination wind-driven generator of the present invention, can effectively reduce the diameter of same power direct-driving type wind turbine; Or under same diameter condition, increase unit generated output.
Summary of the invention
Object of the present invention, is to provide a kind of direct-driving type lamination wind-driven generator.It is a kind of high-power grid-connected direct-driving permanent-magnetic wind-driven with cover stack structure.Both there is jacket layer in diametric(al), axially there is the direct-driving type wind power generation machine of laminated construction.A kind of direct-driving type lamination wind-driven generator provided by the present invention, by blade, front catch, wheel hub, fore bearing, front rotor, front stator, support, main shaft, rear stator, rear rotor, rear bearing, rear catch, cabin housing, pylon, and vane change device, yaw device, the construction and device compositions such as starting drive.
According to the present invention, generator adopts cover stack structure, namely in the diametric(al) of generator, stator and rotor are manufactured to the jacket structure of corresponding multilayer number, adopt the paired laminated construction of two covers at the axial direction of generator, at the front end of main shaft, a set of generator is set, in the rear end of main shaft, same a set of generator is also set, drive two cover generators to generate electricity by an impeller and main shaft, increase the method for rotor magnetic pole and stator core winding quantity by taking to overlap stack structure, effectively reduce same power direct-driving type wind turbine diameter, or under same diameter condition, increase generated output, the high-power grid-connected direct-driving type speed-changing oar-changing wind-driven generator being formed by the present invention, for all kinds of wind power plants in land and coastal waters.
According to a kind of direct-driving type lamination wind-driven generator of the present invention, adopt direct drive mode, absorb wind energy by blade, wind energy transformation is become to mechanical energy, namely wind energy transformation is become to the rotative power of impeller, and pass to main shaft through wheel hub and front rotor.The forward and backward stator rotation that is directly driven the relative intussusception of forward and backward rotor of intussusception by wheel hub and main shaft, completes generating task.
According to main shaft of the present invention, mainly play support and gearing, be an axis being installed in support, by forward and backward two groups of bearings in the sleeve pipe of support.When needed, can between the middle part of main shaft and support, starting drive be set.The front end of main shaft is installed front rotor, and rear rotor is installed in rear end.Wheel hub takes flange seam to contact with front rotor, and radial location between wheel hub and front rotor is coordinated, and guarantees that wheel hub is concentric with front rotor; Wheel hub flange with holes and front rotor flange are by the high-strength bolt structure that is connected in one.This Placement is convenient to combination and is installed, simple and reliable for structure.
According to the present invention, the forward and backward rotor structure of generator is similar, is a multi-layer discs shape steel structure body, by three flange collars and matrix composition.In the inner side of outer ring, NdFeB rear-earth high-performance permanent magnet piece is all equipped with in the interior outside of centre circle and inner lane, with the flange collar many magnetic poles of common composition and yoke, forms low-speed permanent-magnet synchronous generator jacket layer rotor structure.Front rotor and wheel hub link into an integrated entity, and are installed on the front end of main shaft, realize and axially press-fiting with front catch and screw.The installation endoporus of front rotor matrix is coupling to touch with main shaft formation hole axle by hole and coordinates, and before guaranteeing, rotor is concentric with main shaft, and front rotor is installed endoporus manufacture keyway, is connected with main shaft by square key, by key, the moment of torsion of wheel hub and front rotor is passed to main shaft.Rear rotor is installed on the rear end of main shaft, carries out axial compression connection with rear catch screw.The installation endoporus of rear rotor matrix is also coupling to touch with main shaft formation hole axle by hole with main shaft and coordinates, and after guaranteeing, rotor is concentric with main shaft, and rear rotor is installed endoporus manufacture keyway, is connected, and the moment of torsion of main shaft is passed to rear rotor by square key with main shaft.
According to the present invention, the forward and backward stator structure of generator is similar, is a discoid steel structure body with two-layer groove, in stator outside and two-layer groove walls, stator core and staor winding is installed, and forms the jacket layer stator structure of magneto alternator.With the jacket layer generator that forms mutual embedding after forward and backward rotor assembling.Forward and backward stator all adopts the endoporus of matrix and flange to coordinate centering with the front and back stator installation external diameter of support, is connected with screw by flange screw hole with support.
According to support of the present invention, be a hollow cast steel sleeve pipe of T font generally.The horizontal component inside of support is ladder-type circular hole, and front end and back end arranges bearing hole, is used for installing front and back bearings, and bearing is respectively charged into by support front end and back end.Stator support axle journal and stator mounting flange end face and screw hole before and after the outer installment of the horizontal component of support.The vertical portion of support is cannula-like, and lower end arranges flange and flange hole, uses bolt to be connected with the moving-coil of driftage bearing, forms contacting of whole wind turbine cabin and pylon, outer installment cabin, support lower end housing mounting flange; Side sets into door, and personnel can enter cabin by pylon and support.
Accompanying drawing explanation
Accompanying drawing is in conjunction with embodiment explanation concrete principle of the present invention and structure, wherein:
Fig. 1 is a kind of External view of direct-driving type lamination wind-driven generator;
Fig. 2 is three-dimensional cutaway view of the present invention;
In figure, 1 is blade, and 2 is front catch, and 3 is wheel hub, and 4 is fore bearing, and 5 is front rotor, and 6 is front stator, and 7 is support, and 8 is main shaft, and 9 is rear stator, and 10 is rear rotor, and 11 is rear bearing, and 12 is rear catch, and 13 is cabin housing, and 14 is pylon.
Embodiment
According to accompanying drawing, a kind of direct-driving type lamination wind-driven generator of the embodiment of the present invention, by blade 1, front catch 2, wheel hub 3, fore bearing 4, front rotor 5, front stator 6, support 7, main shaft 8, rear stator 9, rear rotor 10, rear bearing 11, rear catch 12, cabin housing 13, pylon 14, and vane change device, yaw device, the construction and device compositions such as starting drive.
Wherein, blade 1 is connected on wheel hub 3 by pitch variable bearings, and wheel hub 3 takes flange seam to contact with front rotor 5, and radial location between wheel hub and front rotor is coordinated, and guarantees that wheel hub is concentric with front rotor.Wheel hub and front rotor link into an integrated entity with bolt, and the mechanical energy that blade 1 can be absorbed to wind energy transformation one-tenth is directly passed to front rotor 5.
According to this embodiment, main shaft 8 is axises that are installed in support 7, by 11 liang of group bearings of fore bearing 4 and rear bearing in the sleeve pipe of support 7.The front end of main shaft is installed front rotor 5, and rear rotor 10 is installed in rear end.Where necessary, can generator starting drive be set at the middle part of main shaft, engage with the gear of starting electrical machinery by gear etc., complete initiating task.
According to this embodiment, front rotor 5 and rear rotor 10 structural similarities, be a multi-layer discs shape steel structure body, by three flange collars and matrix composition.In the inner side of outer ring, NdFeB rear-earth high-performance permanent magnet piece is all equipped with in the interior outside of centre circle and inner lane, with the many magnetic pole profits of the common composition of flange collar yoke, forms the forward and backward rotor structure of low-speed permanent-magnet synchronous generator multilayer.The endoporus of front rotor 5 matrixes is coupling to touch by hole and forms hole axle with main shaft 8 and coordinates, and the front rotor 5 of assurance is concentric with main shaft 8; The endoporus of front rotor 5 matrixes is shaped with keyway, is connected with main shaft by square key, by key, the moment of torsion of wheel hub and front rotor is passed to main shaft, realizes transmission of power.Front rotor 5 is realized axially locating by the shaft shoulder on main shaft 8, and is fitted on main shaft with front catch 2 and screw.The endoporus of rear rotor 10 and main shaft 8 are coupling to touch by hole and form hole axle and coordinates, guarantee that rotor 10 is concentric with main shaft 8 afterwards; Rear rotor inner hole is shaped with keyway, is connected with main shaft by square key, by key, the moment of torsion of main shaft is passed to rear rotor.
According to this embodiment, front stator 6 and rear stator 9 structural similarities, be a discoid steel structure body with two-layer groove, in forward and backward stator outside and two-layer groove walls, iron core and winding be installed, form the forward and backward stator structure of multilayer of magneto alternator.With the Multilayer generator structure that forms mutual embedding after forward and backward rotor assembling.Front stator 6 and rear stator 9 all adopt the endoporus of matrix and flange to coordinate centering with the installation external diameter of support 7, are connected with screw by flange screw hole with support 7.Like this, absorb wind energy at wind turbine blade, while converting wind energy the rotation of to mechanical energy drive wheel hub, just can drive the relative support of forward and backward rotor and forward and backward stator rotation, forward and backward epitrochanterian permanent magnets is rotated relative to forward and backward staor winding, complete mechanical energy and electric conversion of energy.
According to this embodiment, above-mentioned parts and installation relation thereof have formed the cover stack structure of generator, have namely realized the jacket structure of multilayer in the diametric(al) of generator.The diametric(al) that is generator is the permanent magnet rotor power generator structure of multilayer from inside to outside, the forward and backward rotor of generator and forward and backward stator are that the rotation magnetic pole of different-diameter and multilayer that iron core winding correspondence is nested are counted jacket layer pattern, forward and backward rotor is installed permanent magnets along every layer of different-diameter circumference, forward and backward stator is installed iron core and winding along every layer of different-diameter circumference, answers one deck iron core winding with one deck pole pair of diameter.The number of plies of this generator can be determined according to generator type and manufacture process requirement.Its maximum diameter can be definite according to the restriction of generator maximum diameter and shipping diameter restriction, and the inner number of plies can require design according to generator manufacture.Example of the present invention is five-layer structure, and staor winding and rotor permanent magnet magnetic patch are all arranged to corresponding five layers.In certain structure space, effectively increase winding quantity and number of magnetic poles, generated output is increased.The above-mentioned front and back that connected by main shaft two are overlapped generator and have been realized axial laminated construction.Along the axial direction of generator shaft, two groups of jacket layer generators are set, the front end of main shaft and bracket supports wheel hub arranges one group of generator, the rear end of main shaft and support also arranges one group of same generator, drive two generators generating by an impeller and main shaft simultaneously, just can on jacket structure basis, make generated output increase and be twice again.
Claims (6)
1. a direct-driving type lamination wind-driven generator, by blade, front catch, wheel hub, fore bearing, front rotor, front stator, support, main shaft, rear stator, rear rotor, rear bearing, rear catch, cabin housing, pylon, and vane change device, yaw device composition, wind energy transformation is become wheel rotation by blade, and directly drive generator generating through wheel hub and main shaft, it is characterized in that, generator is cover stack structure, be jacket layer in diametric(al), be axially laminated construction, reducing same power direct-driving type wind power generation machine diameter by increasing magnetic pole and iron core winding quantity.
2. a kind of direct-driving type lamination wind-driven generator as claimed in claim 1, it is characterized in that, generator adopts cover stack structure, namely in the diametric(al) of generator, stator and rotor are manufactured to the jacket structure of corresponding multilayer number, adopt the paired laminated construction of two covers at the axial direction of generator, at the front end of main shaft, a set of generator is set, in the rear end of main shaft, same a set of generator is also set, drives two cover generators to generate electricity by an impeller and main shaft.
3. a kind of direct-driving type lamination wind-driven generator as claimed in claim 1, it is characterized in that, before, rear rotor structure is similar, it is multi-layer discs shape steel structure body, by three flange collars and matrix composition, in the inner side of outer ring, NdFeB rear-earth high-performance permanent magnet piece is all equipped with in the interior outside of centre circle and inner lane, with the flange collar many magnetic poles of common composition and yoke, form before low-speed permanent-magnet synchronous generator jacket layer, rear rotor structure, before, the installation endoporus of rear rotor matrix is coupling to touch with main shaft formation hole axle by hole and coordinates, before assurance, rear rotor is concentric with main shaft, endoporus is installed and is shaped with keyway, be connected with main shaft by square key, and transmitting torque, between front rotor and wheel hub, take flange seam to coordinate and link into an integrated entity with screw, be loaded on the front end of main shaft with front sheet, directly moment of torsion is passed to front rotor by wheel hub, front rotor passes to main shaft by key by moment of torsion again, rear rotor is loaded on rear-end of spindle with backstop sheet, by main shaft, moment of torsion is passed to rear rotor.
4. a kind of direct-driving type lamination wind-driven generator as claimed in claim 1, it is characterized in that, forward and backward stator structure is similar, it is the discoid steel structure body with two-layer groove, in forward and backward stator outside and two-layer groove walls, iron core and winding are installed, form the forward and backward stator structure of jacket layer of magneto alternator, with the jacket layer generator that forms mutual embedding after forward and backward rotor assembling, forward and backward stator all adopts the endoporus of matrix and flange to coordinate centering with the stator installation external diameter of support, uses screw to be connected with support by flange.
5. a kind of direct-driving type lamination wind-driven generator as claimed in claim 1, it is characterized in that, main shaft is an axis being installed in support, by forward and backward two groups of bearings in the sleeve pipe of support, the front end of main shaft is installed front rotor, rear rotor is installed in rear end, and main shaft mainly rises and supports and gearing.
6. a kind of direct-driving type lamination wind-driven generator as claimed in claim 1, it is characterized in that, support is a hollow cast steel sleeve pipe of T font generally, the horizontal component inside of support is ladder-type circular hole, front end and back end arranges bearing hole, before being used for installing, rear bearing, before the outer installment of support level part, rear stator support axle journal and front, rear stator mounting flange end face and screw hole, the vertical portion of support is sleeve-shaped, lower end arranges flange and flange hole, with bolt with driftage bearing moving-coil be connected, outer installment cabin, support lower end housing mounting flange, side sets into door, personnel can enter cabin by pylon and support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320459840.5U CN203614324U (en) | 2013-07-23 | 2013-07-23 | Direct-driving type laminated wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320459840.5U CN203614324U (en) | 2013-07-23 | 2013-07-23 | Direct-driving type laminated wind power generator |
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| Publication Number | Publication Date |
|---|---|
| CN203614324U true CN203614324U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320459840.5U Expired - Fee Related CN203614324U (en) | 2013-07-23 | 2013-07-23 | Direct-driving type laminated wind power generator |
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| CN (1) | CN203614324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435615A (en) * | 2017-09-14 | 2017-12-05 | 哈尔滨工业大学 | A kind of wind-driven generator for catching wind and rotor integration |
-
2013
- 2013-07-23 CN CN201320459840.5U patent/CN203614324U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435615A (en) * | 2017-09-14 | 2017-12-05 | 哈尔滨工业大学 | A kind of wind-driven generator for catching wind and rotor integration |
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| 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: 20140528 Termination date: 20150723 |
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| EXPY | Termination of patent right or utility model |