CN106150918A - A kind of direct-drive aerogenerator group - Google Patents
A kind of direct-drive aerogenerator group Download PDFInfo
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- CN106150918A CN106150918A CN201610742631.XA CN201610742631A CN106150918A CN 106150918 A CN106150918 A CN 106150918A CN 201610742631 A CN201610742631 A CN 201610742631A CN 106150918 A CN106150918 A CN 106150918A
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- main shaft
- support seat
- direct
- tower
- aerogenerator group
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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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Abstract
The invention discloses a kind of direct-drive aerogenerator group, including: tower, yaw system, support seat, wind wheel, main shaft and directly drive electromotor, tower, yaw system and support seat are sequentially connected with from bottom to up, support seat and be provided with spindle mounting hole, main shaft is arranged in spindle mounting hole by several bearings, before and after main shaft, end lays respectively at both sides before and after spindle mounting hole, wind wheel includes wheel hub and some the blades being uniformly arranged on wheel hub, wheel hub is connected with the front end of main shaft, directly drive electromotor and include external stator and interior mover, external stator is fixedly mounted on support seat, interior mover is connected with the rear end of main shaft, uniform air gap it is provided with between external stator and interior mover.The present invention by by wind wheel and directly drive electromotor be separately positioned on support seat both sides, make tower tilting moment significantly reduce, reliability and the service life of direct-drive aerogenerator group are improved.
Description
Technical field
The present invention relates to technical field of wind power generating equipment, particularly relate to a kind of direct-drive aerogenerator group.
Background technology
Permanent magnet direct-drive type wind-driven generator is directly to be driven multipolar dynamo to produce electric power, relative to double-feed type wind by wind wheel
Electromotor simplifies driving-chain, owing to it eliminates slow-speed shaft, high speed shaft, shaft coupling and gear-box, it also reduces cabin long
Degree, more compact structure, it is to avoid gear case oil needs periodic replacement and gearbox fault to cause the problem of economic loss, also reduces
Maintenance cost, decreases the power transmission loss of gear-box, has the advantage that generating efficiency is high.
But, conventional large-scale direct-driving type wind power generation machine, wind wheel and electromotor are installed on the homonymy of tower, structural focus
Substantial deviation supports line in tower, its structure as in figure 2 it is shown, such as, a 2MW direct wind-driven generator, the weight of three blades
Amount and hub weight sum reach 60 tons, generator weight about 50 tons, according to conventional design, the part quality of accumulative more than 110 ton
The homonymy being entirely located in tower and support seat, creates huge moment of flexure.Being in operation, tower can be by gravitational load, inertia
The load effects such as load, aerodynamic load, driftage driving, produce a very large impact wind-driven generator overall structure performance,
Elbow and the dangerous cross section of tower root above tower, there is the risk that flexural deformation even fractures in tower.Additionally, also
The abrasion of yaw can be increased the weight of, cause power generator air gap to deform, reduce generating efficiency, even cause electromotor to damage.
Summary of the invention
It is an object of the invention to provide a kind of load equalization and be distributed in the direct-drive aerogenerator group of tower both sides, with
Solve the problem that above-mentioned prior art exists, make tower tilting moment significantly reduce, the reliability of direct-drive aerogenerator group
It is improved with service life.
For achieving the above object, the invention provides following scheme: the invention provides a kind of direct-drive aerogenerator
Group, including: tower, yaw system, support seat, wind wheel, main shaft and directly drive electromotor, described tower, described yaw system and institute
Stating support seat to be sequentially connected with from bottom to up, described support seat is provided with spindle mounting hole, and described main shaft is installed by several bearings
In described spindle mounting hole, before and after described main shaft, end lays respectively at both sides before and after described spindle mounting hole, described wind wheel
Including wheel hub and at least two blades being uniformly arranged on described wheel hub, described wheel hub is connected with the front end of described main shaft, institute
Stating and directly drive electromotor and include external stator and interior mover, described external stator is fixedly mounted on described support seat, described interior mover with
The rear end of described main shaft connects, and described wind wheel and the described electromotor that directly drives lay respectively in the both sides of described support seat, described outside
It is provided with uniform air gap between stator and described interior mover.
Preferably, the front end of described main shaft is higher than rear end, and the axis of described main shaft and horizontal angle are 0 °～10 °.
Preferably, the axis of described main shaft and horizontal angle are 5 °.
Preferably, the quantity of described blade is three or four, and described blade is feather blade or fixed pitch blade.
Preferably, described direct-drive aerogenerator group also include electric cabinet, described electric cabinet be arranged on described support seat,
In tower or ground, electrically connected with described direct-drive aerogenerator group by cable.
Preferably, described support seat being additionally provided with brake unit, described brake unit is for controlling the rotation of described main shaft
Turn state.
The present invention achieves techniques below effect relative to prior art: the present invention is by by wind wheel with directly drive electromotor and divide
It is not arranged on the two ends of main shaft, and main shaft is through the spindle mounting hole supported on seat, make wind wheel and directly drive electromotor and set up separately and propping up
Support seat, tower and the both sides of yaw system, gravitational load more balances, and wind wheel and directly drive the weight of electromotor respectively to support
Seat, tower and yaw system form moment of flexure in opposite direction, such that it is able to offset a part of moment of flexure, reduce support seat, tower
The moment of flexure being subject to yaw system, greatly reduces the risk that the flexural deformation of tower even fractures, and structural reliability is higher, carries
High security performance, is also more convenient for installing.And The present invention reduces the attrition of yaw system, add making of yaw system
Use the life-span.Make directly to drive electromotor and be provided separately within one end of main shaft, be also beneficial to reduce the stress of main shaft, make internal rotor and outer fixed
The air gap of son is more uniform, is more beneficial for directly driving generator heat-radiation, increases the service life.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of direct-drive aerogenerator group of the present invention；
Fig. 2 is traditional direct-drive aerogenerator structural representation；
Wherein, 1 is tower, and 2 is yaw system, and 3 for supporting seat, and 4 is wheel hub, and 5 is blade, and 6 is external stator, and 7 is interior dynamic
Son, 8 is main shaft.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
It is an object of the invention to provide a kind of load equalization and be distributed in the direct-drive aerogenerator group of tower both sides, with
Solve the problem that above-mentioned prior art exists, make tower tilting moment significantly reduce, the reliability of direct-drive aerogenerator group
It is improved with service life.
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings
The present invention is further detailed explanation to execute mode.
Embodiment 1: as it is shown in figure 1, the present embodiment provides a kind of direct-drive aerogenerator group, including: tower 1, driftage
System 2, support seat 3, wind wheel, main shaft 8 and directly drive electromotor, described tower 1, described yaw system 2 and described support seat 3 under
Supreme be sequentially connected with, yaw system 2, including the gear pair of upper bracket, lower carriage, motor and a pair internal messing, upper bracket with
The first gear in support seat 3 and gear pair connects, and lower carriage is connected with the second gear in tower 1 and gear pair, motor and the
One gear drive connects, and does rotation by the first gear driven upper bracket relative to lower carriage axis vertically and transport
Dynamic；Described support seat 3 is provided with spindle mounting hole, and described main shaft 8 is arranged in described spindle mounting hole by several bearings, institute
The axis stating main shaft 8 is 5 ° with horizontal angle, before and after before and after described main shaft 8, end lays respectively at described spindle mounting hole
Both sides, described wind wheel includes wheel hub 4 and the blade 5 of three variablepistons being uniformly arranged on described wheel hub 4, described wheel hub 4
Being connected with the front end of described main shaft 8, the described electromotor that directly drives includes that external stator 6 and interior mover 7, described external stator 6 fixedly mount
On described support seat 3, described interior mover 7 is connected with the rear end of described main shaft 8, described wind wheel and directly drive electromotor and lay respectively at
The both sides of described support seat 3, are provided with uniform air gap between described external stator 6 and described interior mover 7.Described direct-drive type wind-force is sent out
The electric cabinet of group of motors is arranged on described support seat 3, is electrically connected with described direct-drive aerogenerator group by cable.Described
Support and be provided with brake unit on seat 3, for controlling the rotation status of described main shaft 8.
The present embodiment is by by wind wheel with directly drive electromotor and be separately positioned on the two ends of main shaft 8, and main shaft 8 is through supporting seat 3
On spindle mounting hole, wind wheel and directly drive electromotor and set up separately and supporting seat 3, tower 1 and the both sides of yaw system 2, make gravity carry
Lotus more balances, and wind wheel and directly drive the weight of electromotor and formed in opposite direction to supporting seat 3, tower 1 and yaw system 2 respectively
Moment of flexure, such that it is able to offset a part of moment of flexure, reduce and support seat 3, total moment of flexure that tower 1 and yaw system 2 are subject to, significantly
Reducing the risk that the flexural deformation of tower 1 even fractures, structural reliability is higher, improves security performance, peace of being also more convenient for
Dress.In the present embodiment, the reduction of yaw system 2 moment of flexure can also reduce the attrition to yaw system 2, extends driftage system
The service life of system 2.Additionally, make directly to drive electromotor to be provided separately within one end of main shaft 8, it is also beneficial to improve the stress of main shaft 8
Situation, reduces the flexural deformation of main shaft 8, and the air gap making internal rotor and external stator 6 is more uniform, is more beneficial for directly driving electromotor and dissipates
Heat, increases the service life.
This specification applies specific case principle and the embodiment of the present invention are set forth, above example
Explanation be only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art,
According to the thought of the present invention, the most all will change.In sum, in this specification
Hold and should not be construed as limitation of the present invention.
Claims (6)
1. a direct-drive aerogenerator group, it is characterised in that: including: tower, yaw system, support seat, wind wheel, main shaft and
Directly driving electromotor, described tower, described yaw system and described support seat are sequentially connected with from bottom to up, and described support seat is provided with master
Axle installing hole, described main shaft is arranged in described spindle mounting hole by several bearings, end position respectively before and after described main shaft
Both sides before and after described spindle mounting hole, described wind wheel includes wheel hub and at least two oars being uniformly arranged on described wheel hub
Leaf, described wheel hub is connected with the front end of described main shaft, and the described electromotor that directly drives includes external stator and interior mover, and described external stator is solid
Dingan County is contained on described support seat, and described interior mover is connected with the rear end of described main shaft, described wind wheel and described directly drive electromotor
Lay respectively at the both sides at described support seat, between described external stator and described interior mover, be provided with uniform air gap.
A kind of direct-drive aerogenerator group the most according to claim 1, it is characterised in that: the front end of described main shaft is higher than
Rear end, the axis of described main shaft and horizontal angle are 0 °～10 °.
A kind of direct-drive aerogenerator group the most according to claim 2, it is characterised in that: the axis of described main shaft and water
The angle of horizontal line is 5 °.
A kind of direct-drive aerogenerator group the most according to claim 1, it is characterised in that: the quantity of described blade is three
Or four, described blade is feather blade or fixed pitch blade.
A kind of direct-drive aerogenerator group the most according to claim 1, it is characterised in that: also include electric cabinet, described
Electric cabinet is arranged on described support seat, tower or ground, is electrically connected with described direct-drive aerogenerator group by cable.
A kind of direct-drive aerogenerator group the most according to claim 1, it is characterised in that: also set up on described support seat
Having brake unit, described brake unit is for controlling the rotation status of described main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742631.XA CN106150918B (en) | 2016-08-26 | 2016-08-26 | Direct-drive wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742631.XA CN106150918B (en) | 2016-08-26 | 2016-08-26 | Direct-drive wind generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106150918A true CN106150918A (en) | 2016-11-23 |
| CN106150918B CN106150918B (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610742631.XA Active CN106150918B (en) | 2016-08-26 | 2016-08-26 | Direct-drive wind generating set |
Country Status (1)
| Country | Link |
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| CN (1) | CN106150918B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678908A (en) * | 2018-08-31 | 2018-10-19 | 北京金风科创风电设备有限公司 | Yaw tower barrel section, tower barrel and wind generating set |
| CN112228279A (en) * | 2019-06-30 | 2021-01-15 | 北京金风科创风电设备有限公司 | Generator and wind generating set |
| CN112502912A (en) * | 2020-11-23 | 2021-03-16 | 沈阳工程学院 | Mechanical locking device and method for direct-drive wind turbine generator |
| CN114757454A (en) * | 2022-06-15 | 2022-07-15 | 广东数字生态科技有限责任公司 | Method, device and equipment for generating unmanned aerial vehicle inspection route of wind driven generator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001094779A1 (en) * | 2000-06-06 | 2001-12-13 | Abb Ab | A power generating device |
| CN202789331U (en) * | 2012-09-19 | 2013-03-13 | 广西银河风力发电有限公司 | Megawatt direct-driven wind generating set |
| CN103334882A (en) * | 2013-07-26 | 2013-10-02 | 华北电力大学 | Rear-generator directly-driven wind generation set |
-
2016
- 2016-08-26 CN CN201610742631.XA patent/CN106150918B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001094779A1 (en) * | 2000-06-06 | 2001-12-13 | Abb Ab | A power generating device |
| CN202789331U (en) * | 2012-09-19 | 2013-03-13 | 广西银河风力发电有限公司 | Megawatt direct-driven wind generating set |
| CN103334882A (en) * | 2013-07-26 | 2013-10-02 | 华北电力大学 | Rear-generator directly-driven wind generation set |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678908A (en) * | 2018-08-31 | 2018-10-19 | 北京金风科创风电设备有限公司 | Yaw tower barrel section, tower barrel and wind generating set |
| CN108678908B (en) * | 2018-08-31 | 2020-03-17 | 北京金风科创风电设备有限公司 | Yaw tower barrel section, tower barrel and wind generating set |
| CN112228279A (en) * | 2019-06-30 | 2021-01-15 | 北京金风科创风电设备有限公司 | Generator and wind generating set |
| CN112228279B (en) * | 2019-06-30 | 2023-03-03 | 北京金风科创风电设备有限公司 | Generator and wind generating set |
| CN112502912A (en) * | 2020-11-23 | 2021-03-16 | 沈阳工程学院 | Mechanical locking device and method for direct-drive wind turbine generator |
| CN114757454A (en) * | 2022-06-15 | 2022-07-15 | 广东数字生态科技有限责任公司 | Method, device and equipment for generating unmanned aerial vehicle inspection route of wind driven generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106150918B (en) | 2021-11-02 |
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