CN103899488B - Wind-driven generator - Google Patents
Wind-driven generator Download PDFInfo
- Publication number
- CN103899488B CN103899488B CN201210576440.2A CN201210576440A CN103899488B CN 103899488 B CN103899488 B CN 103899488B CN 201210576440 A CN201210576440 A CN 201210576440A CN 103899488 B CN103899488 B CN 103899488B
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- CN
- China
- Prior art keywords
- wind
- generator
- driven generator
- brake
- brake disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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 wind-driven generator of the present invention include blade (1), generator amature (2), generator unit stator (3), brake disc (4), link gear (5), empennage (6) with, electromagnetic brake device (8), blade (1) and generator amature (2) are arranged on motor stator (3)；Brake disc (4) is opposite disposed with generator amature (2), and is connected with link gear (5)；Brake disc (4), link gear (5) are constituted first brake system with, empennage (6)；Electromagnetic brake device (8) constitutes the second brake system, and it is connected with described generator unit stator (3)；Wind-driven generator is braked by one of first brake system and the second brake system.The wind-driven generator of the present invention possesses two set brake system, when needs are braked, can be braked, even if a brake system breaks down by one of first brake system and the second brake system, also can be braked by another, add the safety of fan operation.
Description
Technical field
The present invention relates to wind generating technology, especially design one has simple in construction and steady
The wind-driven generator of qualitative higher brakes.
Background technology
Wind-driven generator is usually mounted to the area that wind resource is abundant, such as High aititude ground
District or coastal area, these area generally wind speed are relatively big, and traditional wind-driven generator by
In not having speed limit or brake gear, electromotor is usually made to damage under high wind effect because of overload
Bad.
In order to prevent wind-driven generator under high wind because overload is damaged, technical staff generally adopts
The technological means taken is to install speed-limiting device or brake gear for wind-driven generator.Such as,
The Chinese utility model patent of Patent No. CN200920116665.3 discloses a kind of wind
Power generator brake gear, it, can be in the rotating speed mistake of wind wheel by elastic pressuring clamping device
During rated speed, force brake disc to stop operating, so that rotor shaft stops operating, enter
And make wind-driven generator quit work, to prevent wind-driven generator from being damaged by high wind.But,
It is found that this brake gear not only structure is complicated, use merely elastic mechanical due to it
Brake modes, the fatigue strength of elastomer limits the brake reliability of its life-time service.
Summary of the invention
The present invention is in view of problem above, it is provided that one has simple in construction and stability relatively
The wind-driven generator of high brakes.
The present invention provide wind-driven generator include blade (1), generator amature (2),
Generator unit stator (3), brake disc (4), link gear (5), empennage (6) with
And electromagnetic brake device (8), wherein said blade (1) and generator amature (2) set
Put on described generator unit stator (3)；Described brake disc (4) turns with described electromotor
Son (2) is opposite disposed, and is connected with described link gear (5)；Described brake disc (4),
Link gear (5) is constituted first brake system with, empennage (6)；Described electromagnetic brake
Device (8) constitutes the second brake system, and it is connected with described generator unit stator (3)；
By described first brake system and the second brake system, one of them enters described wind-driven generator
Row brake.
The wind-driven generator that the present invention provides possesses two set brake system, when needs are braked,
Can by first brake system and the second brake system, one of them brakes, even if its
In a brake system break down, it is possible to carry out skidding by another, increase
The safety of fan operation.
As an embodiment, above-mentioned link gear (5) acts at described empennage (6)
The described brake disc of lower promotion (4) is along the shifting axially forward of described generator unit stator (3)
Dynamic to stop described generator amature (2) to rotate
According to the present embodiment, when wind speed is the biggest, under wind-force effect, empennage is around rotation
Axle rotate, and with link gear effect, by link gear promote brake disc near generating
Machine rotor, and braked by the frictional force between brake disc and generator amature, from
And prevent wind-driven generator from being destroyed by high wind.
As an embodiment, above-mentioned link gear (5) including: base (50), its
It is fixed on generator unit stator (3), and is provided with rotary shaft on described base (50)
(51)；Fork (52), it is fixed in described rotary shaft (51) and can be around described
Rotary shaft (51) rotates, and described fork (52) at one end portion has fork and pushes away post (53)；
Connecting rod (54), its one end is connected with described fork (52), and can be relative to described pendulum
Bar (52) rotates；Slider-crank mechanism (55), its one end and described connecting rod (54)
Connecting, the other end is connected with described brake disc (4).
According to the present embodiment, simplify blower fan by arranging the link gear of simple in construction
Brake system, and improve the stability of brake system.
As an embodiment, described wind-driven generator also includes: rotation speed of fan detection is single
Unit, control unit (7) and electromagnetic brake device (8), wherein said rotation speed of fan is examined
Survey unit and be used for detecting the rotating speed of wind-driven generator, and detected rotation speed of fan is sent out
Deliver to described control unit；Described control unit (7) is for the blower fan according to described detection
Rotating speed controls described electromagnetic brake device (8) and brakes.
According to the present embodiment, by rotation speed of fan detector unit detection detection rotation speed of fan,
When can increase suddenly (that is, wind speed increases suddenly) at rotation speed of fan, pass through electromagnetic brake
Device brakes, to prevent wind-driven generator from being damaged by high wind.Stop by arranging electromagnetism
Car device, can preferably protect wind-power electricity generation with aforementioned mechanical brake gear synergism
Machine.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wind-driven generator of one embodiment of the present invention；
Fig. 2 is the top view of wind-driven generator shown in Fig. 1；
Fig. 3 is the structural representation of link gear.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, knot below
The wind-driven generator that closing the drawings and specific embodiments provides the present invention is retouched in detail
State.In the drawings, for part identically or comparably, mark identical label.
The structure of reference Fig. 1 ~ 3 pair one embodiment of wind-driven generator of the present invention is carried out
Illustrating, the most only the preferred forms of the wind-driven generator of the present invention, the present invention is also
It is not limited only to following structure.
Fig. 1 is the structural representation of the wind-driven generator of one embodiment of the present invention.Figure
The top view that 2 is wind-driven generator shown in Fig. 1.As depicted in figs. 1 and 2, wind-force is sent out
Motor includes blade 1, generator amature 2 and generator unit stator 3, blade 1 and electromotor
Rotor 2 is enclosed within generator unit stator 3, and can rotate around generator unit stator 3.Blade 1
Rotate under wind-force effect, and drive generator amature 2 to rotate, inside generator amature
There is strong permanent magnet, so that the magnetic field rotating of electromotor, the coil in generator unit stator 3
Cutting magnetic line, sends electric energy.Thus convert wind energy into electric energy, it is achieved wind-power electricity generation.
In order to prevent wind-driven generator from being damaged by high wind, the wind-driven generator of the present invention is arranged
First brake brake system and the second brake system, i.e. mechanical brake system and electromagnetism is had to stop
Car system, can effectively protect wind-driven generator by the two brake system, prevent by by force
Windage loss is bad.
The mechanical brake system of wind-driven generator of the present invention includes brake disc 4, link gear 5
And empennage 6, brake disc 4 relative generator rotor 2 arranges and connects with link gear 5
Connecing, empennage 6 can rotate around rotary shaft 7 under wind-force effect, and when empennage 6 and connection
Brake disc 4 can be promoted when motivation structure 5 contacts to move axially to lean on along generator unit stator 3
Nearly generator amature 2.
As it is shown in figure 1, brake disc 4 fills in hollow disc, it is sleeved on generator unit stator 3.
As it is shown on figure 3, the link gear 5 of wind-driven generator mechanical brake system of the present invention
Including base 50, fork 52, connecting rod 54 and slider-crank mechanism 55.Base 50 is fixed
On generator unit stator 3, being provided with rotary shaft 51 on base 50, fork 52 connects
In rotary shaft 51, and can rotate around rotary shaft 51.Connecting rod 54 respectively with fork 52
Connect with slider-crank mechanism 55, and connecting rod 54 and fork 52 and slider-crank mechanism 55
It is flexible connection.Slider-crank mechanism 55 is connected with brake disc 4.
Empennage 6 is arranged on the eccentric position of wind-driven generator, when blowing air over, and empennage two
The blast of side is different, causes empennage to produce the moment of torsion tending to center.This torque drive
Linkage brakes, and positive wind direction is deviateed in the windward side simultaneously driving wind-driven generator.
The brake process of wind-driven generator mechanical brake system of the present invention is as follows: make at wind-force
Under with, empennage 6 rotates around rotary shaft, when rotating to certain angle, and empennage 6 and pendulum
Fork on bar 52 pushes away post 53 and contacts, and promotes fork 52 to rotate, and fork 52 rotates
Drivening rod 54 rotates, and the slide block 55 that rotarily drives of connecting rod 54 moves forward, so that
Slide block 55 promote brake disc 4 near generator amature 2, by brake disc 4 and electromotor
Frictional force between rotor 2 realizes braking.
The electromagnetic brake system of the present invention includes rotation speed of fan detector unit, control unit 7
With electromagnetic brake device 8, wherein rotation speed of fan detector unit is for detecting wind-driven generator
Rotating speed, and detected rotation speed of fan is sent to control unit 7；Control unit 7
Brake for controlling electromagnetic brake device 8 according to rotation speed of fan.Electromagnetic brake device 8
For limiting the rotating speed of generator amature (2), it substantially receives the brake of control unit
During instruction, the outlet line of automatic short-circuit electromotor so that wind-driven generator is in electromagnetism
Braking state.
The wind-driven generator of the present invention, when the instantaneous increase of wind-force, electromagnetic brake system is certainly
Dynamic connection excitation brake circuit, makes the instantaneous braking moment of electromotor strengthen, it is ensured that blower fan turns
Stablizing of speed；When wind-force stably increases to certain speed, mechanical brake system uses
Yaw system adjusts the Windward angle of blower fan automatically, reduces effective wind driving torque, surely
The subduing the wind syndrome machine speed of service, thus be effectively protected electromotor and be not damaged simultaneously.Blower fan exists
In running, mechanical brake system and electromagnetic brake control system control blower fan simultaneously
Braking, therefore, such as one of them system jam, still have another system to blower fan
It is controlled, thus has ensured that fan safe is run reliably.
Principle that embodiment of above is intended to be merely illustrative of the present and the example that uses
Property embodiment, but the invention is not limited in this.For the common skill in this area
For art personnel, without departing from the spirit and substance in the present invention, can make
Various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (8)
1. a wind-driven generator, it is characterised in that include blade (1), electromotor
Rotor (2), generator unit stator (3), brake disc (4), link gear (5),
Empennage (6) and electromagnetic brake device (8), wherein
Described blade (1) and generator amature (2) are arranged on described generator unit stator (3)
On；
Described brake disc (4) is opposite disposed with described generator amature (2), and with institute
State link gear (5) to connect；
Described brake disc (4), link gear (5) and empennage (6) constitute first and stop
Car system；
Described electromagnetic brake device (8) constitutes the second brake system, itself and described electromotor
Stator (3) connects；
Described wind-driven generator by described first brake system and the second brake system wherein it
One brakes.
2. wind-driven generator as claimed in claim 1, it is characterised in that described linkage
Mechanism (5) promotes described brake disc (4) along described under described empennage (6) acts on
The moved axially forward of generator unit stator (3) is revolved with the described generator amature of prevention (2)
Turn.
3. wind-driven generator as claimed in claim 1, it is characterised in that described electromagnetism
Brake gear (8) brakes by limiting the rotating speed of generator amature (2).
4. the wind-driven generator as described in claim 1-3 any one, it is characterised in that
Described brake disc (4) is in hollow plate-like, and it is sleeved on described generator unit stator (3).
5. the wind-driven generator as described in claim 1-3 any one, it is characterised in that
Described link gear (5) including: base (50), fork (52), connecting rod (54)
With slider-crank mechanism (55), wherein
Described base (50) is fixed on described generator unit stator (3), and at the described end
It is provided with rotary shaft (51) on seat (50)；
Described fork (52) is fixed in described rotary shaft (51) and can be around described rotation
Axle (51) rotates, and described fork (52) is formed with fork at its one end and pushes away post (53)；
Described connecting rod (54) one end is connected with described fork (52), and the other end is with described
Slider-crank mechanism (55) connects, and described connecting rod (54) and described fork (52)
Connection and described connecting rod (54) equal with the connection of described slider-crank mechanism (55)
For being flexibly connected；
Described slider-crank mechanism (55) is made at described fork (52) and connecting rod (54)
Mobile with the described brake disc of lower promotion (4).
6. wind-driven generator as claimed in claim 5, it is characterised in that described crank
It is fixed that slide block mechanism (55) includes that slide block and guide rail, described guide rail are fixed on described electromotor
On son (3), described slide block is connected with described connecting rod, and along institute under described connecting rod effect
State slide, thus closer or far from described brake disc (4).
7. the wind-driven generator as described in claim 1-3 any one, it is characterised in that
Described empennage (6) can rotate around rotary shaft (9) under wind-force effect, and when described
Empennage (6) can promote described brake disc (4) with described link gear (5) when contacting
Mobile with near described generator amature (2).
8. the wind-driven generator as described in claim 1-3 any one, it is characterised in that
Also include rotation speed of fan detector unit, control unit (7), wherein
Described rotation speed of fan detector unit is used for detecting the rotating speed of wind-driven generator, and by institute
The rotation speed of fan detected sends to described control unit (7)；
Described control unit (7) is for controlling described electromagnetism according to the rotation speed of fan detected
Brake gear (8) brakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210576440.2A CN103899488B (en) | 2012-12-26 | 2012-12-26 | Wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210576440.2A CN103899488B (en) | 2012-12-26 | 2012-12-26 | Wind-driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103899488A CN103899488A (en) | 2014-07-02 |
| CN103899488B true CN103899488B (en) | 2016-12-28 |
Family
ID=50991017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210576440.2A Expired - Fee Related CN103899488B (en) | 2012-12-26 | 2012-12-26 | Wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103899488B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089587B (en) * | 2016-06-13 | 2020-11-13 | 茂鑫光电科技（上海）有限公司 | Wind driven generator and wind tunnel with same |
| CN106115255A (en) * | 2016-06-21 | 2016-11-16 | 奥美森智能装备股份有限公司 | A kind of suction device for discharging being easy to control |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316096A (en) * | 1978-10-10 | 1982-02-16 | Syverson Charles D | Wind power generator and control therefore |
| CN2517890Y (en) * | 2002-01-23 | 2002-10-23 | 杨彬 | Retarding brake device of wind power generator |
| CN202244077U (en) * | 2011-08-15 | 2012-05-30 | 中国航空工业集团公司西安飞机设计研究所 | Dual-redundancy yawing-preventing control system for braking of airplane |
| CN203175754U (en) * | 2012-12-26 | 2013-09-04 | 邵汉琦 | Wind driven generator |
-
2012
- 2012-12-26 CN CN201210576440.2A patent/CN103899488B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316096A (en) * | 1978-10-10 | 1982-02-16 | Syverson Charles D | Wind power generator and control therefore |
| CN2517890Y (en) * | 2002-01-23 | 2002-10-23 | 杨彬 | Retarding brake device of wind power generator |
| CN202244077U (en) * | 2011-08-15 | 2012-05-30 | 中国航空工业集团公司西安飞机设计研究所 | Dual-redundancy yawing-preventing control system for braking of airplane |
| CN203175754U (en) * | 2012-12-26 | 2013-09-04 | 邵汉琦 | Wind driven generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103899488A (en) | 2014-07-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20161228 Termination date: 20181226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |