CN103334881A - External-rotor wind turbine generator system - Google Patents
External-rotor wind turbine generator system Download PDFInfo
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- CN103334881A CN103334881A CN2013103147357A CN201310314735A CN103334881A CN 103334881 A CN103334881 A CN 103334881A CN 2013103147357 A CN2013103147357 A CN 2013103147357A CN 201310314735 A CN201310314735 A CN 201310314735A CN 103334881 A CN103334881 A CN 103334881A
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- China
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- braking clamp
- brake
- braking
- rotor wind
- electric 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention relates to an external-rotor wind turbine generator system, which comprises a rotor, a stator, a wheel hub, a spindle and a brake system, wherein the brake system comprises a brake disc, a brake caliper and a brake caliper fixing and supporting piece, and the brake disc is fixedly connected with the wheel hub through a front end cover of a motor; one end of the brake caliper fixing and supporting piece is fixedly arranged on the spindle, and the other end of the brake caliper fixing and supporting piece is fixedly connected with the stator; more than one brake caliper is fixedly arranged on the brake caliper fixing and supporting piece and is matched with the brake disc to brake. The brake system has a simple structure and is easy to produce, process and manufacture, the brake calipers are convenient to install and maintain, and the brake caliper fixing and supporting piece can also be used fixing and supporting the motor, and can be widely used in large and ultra-large external-rotor wind turbine generator systems.
Description
Technical field
The present invention relates to the wind-power generating system field, particularly relate to a kind of external rotor wind driven electric generator group.
Background technique
In recent years, along with offshore wind farm is further paid close attention in the world, increasing supplier threw oneself among the research and development competition of large-scale wind electricity unit.During the 2011-2015, the wind-powered electricity generation annual mean increment of China is between 15～20 gigawatts according to estimates, and wherein offshore wind farm is every year on average about newly-increased 1 gigawatt.In the face of the rapid growth of the marine market demand, various countries have begun increasing offshore wind farm research and development.
At present, single-machine capacity maximization, reliability height and the little offshore wind farm machine set technology developing direction that become of maintenance.Offshore wind farm set structure complexity, installation, debugging, maintenance and service technique difficulty are big, the construction cost height, for reducing the offshore wind farm development cost, offshore wind farm unit single-machine capacity constantly continues to increase.At present, the large-scale offshore wind farm unit of 5-7MW power level been has successfully has been researched and developed model machine, is carrying out the design of super sized type offshore wind farm unit and research and development of 10MW power level both at home and abroad.The regular maintenance cost of offshore wind turbine is also extremely expensive, therefore requires the unit maintenance amount as far as possible little.The direct drive wind power unit of non-gear box is compared the maintenance that double-fed type wind-powered electricity generation unit can reduce the unit fault that causes owing to the gear-box problem effectively, can effectively improve operational reliability and the life-span of system, reduce maintenance cost, be specially adapted to the exploitation of offshore wind farm unit, be conducive to accelerate the construction progress of marine wind electric field, large-scale and technology path that super sized type offshore wind farm unit is essential after being.
Yet super sized type direct-driving type wind-powered electricity generation unit braking brake moment is big, energy is high, braking clamp quantity is many, thereby the structural design difficulty of braking brake system is big, requirement is high, maintenance difficulties is big.
How to found a kind of new a kind of external rotor wind driven electric generator group simple in structure, easy to maintenance, real one of the current important research and development problem that belongs to.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of external rotor wind driven electric generator group, makes it simple in structure, easy to maintenance, thereby overcomes the deficiency that existing braking brake system structure design difficulty is big, safeguard complexity.
For solving the problems of the technologies described above, the invention provides a kind of external rotor wind driven electric generator group, comprise rotor, stator, wheel hub, main shaft and braking brake system, described braking brake system comprises brake disc, braking clamp and braking clamp securing supports, brake disc is fixedlyed connected with wheel hub by the motor front cover, braking clamp securing supports one end is fixed on the main shaft, the other end is fixedlyed connected with stator, and above braking clamp is fixed on the braking clamp securing supports and cooperates braking with brake disc.
As a kind of improvement of the present invention, described braking clamp securing supports is provided with service hatch.
The position of described service hatch is corresponding one by one with the position of braking clamp.
The quantity of described service hatch is more than or equal to the quantity of described braking clamp.
Described braking clamp is connected with extra control gear, and described extra control gear is hydraulic system, electric power system or electromagnetic system.
Described brake disc processes for integral body with the motor front cover or the independent processing of difference is connected again.
Described braking clamp is by being bolted on the braking clamp securing supports.
After adopting such design, the present invention has the following advantages at least:
The braking brake system architecture of this wind power generating set is simple, is easy to the production and processing manufacturing, and the braking clamp I﹠M is convenient, and pincers car pincers securing supports can also be used for the fixed support motor, can be widely used in large-scale and super sized type external rotor wind driven electric generator group.
Description of drawings
Above-mentioned only is the general introduction of technical solution of the present invention, and for can clearer understanding technological means of the present invention, the present invention is described in further detail below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the braking brake system architecture schematic representation of a kind of external rotor wind driven electric generator group of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, as shown in Figure 1, the invention provides a kind of external rotor wind driven electric generator group, comprise rotor 6, stator 8, wheel hub 7, main shaft 9 and braking brake system, described braking brake system comprises brake disc 1, braking clamp 2 and braking clamp securing supports 5, brake disc 1 is fixedlyed connected with wheel hub 7 by the motor front cover, braking clamp securing supports 5 one ends are fixed on the main shaft 9, the other end is fixedlyed connected with stator 8, and an above braking clamp 2 is fixed on the braking clamp securing supports 5 and with brake disc 1 and cooperates braking.
Braking clamp securing supports 5 can be used for support stator 8.
Have service hatch 4 on the braking clamp securing supports 5, described service hatch 4 is used for loss of weight and make things convenient for the maintenance of braking clamp 2.Service hatch 4 can be for one or more, and the quantity of service hatch 4 is more than or equal to the quantity of described braking clamp 2.The position of service hatch 4 is corresponding one by one with the position of braking clamp 2, when wheel hub locking maintenance, to make things convenient for the maintenance of braking clamp 2.
Brake disc 1 can wholely be processed or independently process respectively with the motor front cover and be connected, and brake disc 1 and motor front cover can be with wheel hub 7 rotations.
Braking clamp 2 can be fixed on the braking clamp securing supports 5 by bolt 3.
Braking clamp 2 is connected with extra control gear, 2 work of control braking clamp, and described extra control gear can be hydraulic system, electric power system or electromagnetic system.
Braking brake of the present invention system is simple and practical, make things convenient for the braking clamp maintenance, simultaneously can the support motor structure.
The above; it only is preferred embodiment of the present invention; be not that the present invention is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (7)
1. external rotor wind driven electric generator group, it is characterized in that: comprise rotor, stator, wheel hub, main shaft and braking brake system, described braking brake system comprises brake disc, braking clamp and braking clamp securing supports, brake disc is fixedlyed connected with wheel hub by the motor front cover, braking clamp securing supports one end is fixed on the main shaft, the other end is fixedlyed connected with stator, and above braking clamp is fixed on the braking clamp securing supports and cooperates braking with brake disc.
2. a kind of external rotor wind driven electric generator group according to claim 1, it is characterized in that: described braking clamp securing supports is provided with service hatch.
3. a kind of external rotor wind driven electric generator group according to claim 2, it is characterized in that: the position of described service hatch is corresponding one by one with the position of braking clamp.
4. a kind of external rotor wind driven electric generator group according to claim 2, it is characterized in that: the quantity of described service hatch is more than or equal to the quantity of described braking clamp.
5. a kind of external rotor wind driven electric generator group according to claim 1 is characterized in that: described braking clamp is connected with extra control gear, and described extra control gear is hydraulic system, electric power system or electromagnetic system.
6. a kind of external rotor wind driven electric generator group according to claim 1 is characterized in that: described brake disc and motor front cover for whole processing or respectively independent processing be connected again.
7. a kind of external rotor wind driven electric generator group according to claim 1, it is characterized in that: described braking clamp is by being bolted on the braking clamp securing supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103147357A CN103334881A (en) | 2013-07-24 | 2013-07-24 | External-rotor wind turbine generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103147357A CN103334881A (en) | 2013-07-24 | 2013-07-24 | External-rotor wind turbine generator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103334881A true CN103334881A (en) | 2013-10-02 |
Family
ID=49243086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103147357A Pending CN103334881A (en) | 2013-07-24 | 2013-07-24 | External-rotor wind turbine generator system |
Country Status (1)
| Country | Link |
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| CN (1) | CN103334881A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114337082A (en) * | 2020-09-29 | 2022-04-12 | 新疆金风科技股份有限公司 | Brake locking device for motor, motor and wind generating set |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007052994A1 (en) * | 2007-11-05 | 2009-05-07 | Innovative Windpower Ag | Brake for wind turbine pod mounted on azimuth bearing comprises inner and an outer caliper unit and L-shaped brake disk |
| CN101713382A (en) * | 2008-09-30 | 2010-05-26 | 通用电气公司 | Wind turbine generator brake and grounding brush arrangement |
| CN102080629A (en) * | 2009-11-26 | 2011-06-01 | 西门子公司 | Brake system for a wind turbine with integrated rotor lock, generator and wind turbine |
| CN103016257A (en) * | 2011-09-27 | 2013-04-03 | 西门子公司 | Method to rotate the rotor of a wind turbine and means to use in this method |
| CN103051089A (en) * | 2013-01-10 | 2013-04-17 | 国电联合动力技术有限公司 | Front support tray of rotor and permanent magnetic direct-driven wind turbine generator applying front support tray |
| CN203383985U (en) * | 2013-07-24 | 2014-01-08 | 国电联合动力技术有限公司 | Outer rotor wind generating set |
-
2013
- 2013-07-24 CN CN2013103147357A patent/CN103334881A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007052994A1 (en) * | 2007-11-05 | 2009-05-07 | Innovative Windpower Ag | Brake for wind turbine pod mounted on azimuth bearing comprises inner and an outer caliper unit and L-shaped brake disk |
| CN101713382A (en) * | 2008-09-30 | 2010-05-26 | 通用电气公司 | Wind turbine generator brake and grounding brush arrangement |
| CN102080629A (en) * | 2009-11-26 | 2011-06-01 | 西门子公司 | Brake system for a wind turbine with integrated rotor lock, generator and wind turbine |
| CN103016257A (en) * | 2011-09-27 | 2013-04-03 | 西门子公司 | Method to rotate the rotor of a wind turbine and means to use in this method |
| CN103051089A (en) * | 2013-01-10 | 2013-04-17 | 国电联合动力技术有限公司 | Front support tray of rotor and permanent magnetic direct-driven wind turbine generator applying front support tray |
| CN203383985U (en) * | 2013-07-24 | 2014-01-08 | 国电联合动力技术有限公司 | Outer rotor wind generating set |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114337082A (en) * | 2020-09-29 | 2022-04-12 | 新疆金风科技股份有限公司 | Brake locking device for motor, motor and wind generating set |
| CN114337082B (en) * | 2020-09-29 | 2023-05-16 | 新疆金风科技股份有限公司 | Brake locking device for motor, motor and wind generating set |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131002 |