CN103835885A - Double-end wind driven generator with brake device - Google Patents
Double-end wind driven generator with brake device Download PDFInfo
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- CN103835885A CN103835885A CN201210478600.XA CN201210478600A CN103835885A CN 103835885 A CN103835885 A CN 103835885A CN 201210478600 A CN201210478600 A CN 201210478600A CN 103835885 A CN103835885 A CN 103835885A
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- generator
- type brake
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- driven generator
- braking device
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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
A double-end wind driven generator with a brake device mainly comprises an electric generator body, a fixed large fan, a fixed small fan, a fixed louver blade, a rotating louver blade, and a sail. The double-end wind driven generator is characterized in that the brake device mainly comprises a centrifugal band-type brake pad, a centrifugal band-type brake block and a columnar braking pier. The brake device is simple in structure and low in manufacturing cost, and the defects that existing power generation equipment is complex in structure and high in manufacturing cost are overcome.
Description
One. technical field,
The invention belongs to mechanical & electrical technology field, relate to a kind of wind power plant, particularly belong to a kind of wind-driven generator with braking device.
Two. background technique
At present, power generating equipment is in general by using the energy to have following several fundamental type: thermal power generation, and hydroelectric power, nuclear energy power generation, solar electrical energy generation, be wind-power electricity generation in addition.Wind-power electricity generation is a kind of forms of electricity generation that adaptability is the widest, it can be in mountain area or plains region, and the energy that the most of the time can be easy to obtain, it obtains not only can have sunlight by day time, and still can obtain night at night, many household electric appliance are often being worked at night, so wind energy power more and more obtains liking of people.Particularly wind energy power, with the feature of its environmental protection, has obtained people's attention, and wind energy power has obtained increasing development.
As everyone knows, natural wind-force is not invariable, and typhoon often occurs in coastal area, and tornado also occurs sometimes in a lot of areas, and this is all that the mankind are threatened to larger natural disaster, also wind power plant has been caused to great harm.Therefore, more satisfactory wind power plant will have braking device, the infringement causing when preventing the excessive rated speed that exceedes wind power plant of wind speed.But current power generating equipment braking device is all complex structure, and cost is high, it is very unfavorable that this comes for development wind-power electricity generation, makes wind-power electricity generation be difficult to be promoted use.
If application number is 200810237974.6, invention and created name is the application for a patent for invention of " spiral arm tracing mechanical braking system of miniature aerogenerator ", a kind of spiral arm tracing mechanical braking system of miniature aerogenerator is provided, belong to wind-driven generator speed limit technical field, its structure comprises brake assemblies, revolution transmitting assemblies, pull bar, vertical shaft, wire rope and solid of rotation, brake assemblies is arranged on the rear end of motor of generator axle, the solid of rotation that is arranged on vertical shaft upper end covers, and join with the upper end of the pull bar that passes solid of rotation, the lower end of pull bar is connected with the revolution transmitting assemblies being arranged on vertical shaft, the upper end of revolution transmitting assemblies and wire rope fixes, the lower end of wire rope is fixed on the bottom of support system.Brake assemblies rotates with solid of rotation according to wind-force direction with revolution transmitting assemblies, and wire rope pulls rotating speed control that brake assemblies makes wind-driven generator within the specific limits by revolution transmitting assemblies and pull bar.Although this invention has solved the too high problem of wind-driven generator rotating speed in the time that wind speed is large, complicated structure, manufacture cost is higher.
And for example application number is, 200920208504.7, invention and created name is the utility application of " braking device of fan-driven generator and arrestment mechanism thereof ", this model utility relates to a kind of braking device of fan-driven generator and arrestment mechanism thereof, this wind-driven generator mechanism or braking device, comprise cylinder body, be fixed on braking seat board; Piston shaft, is positioned at cylinder body, and its first end passes from cylinder body, between piston shaft and cylinder body, is provided with spring; Movable rod, first end connects braking seat board rotationally, and the second end connects the first end of piston shaft rotationally; And friction member, thering is the circular arc rubbing surface for contacting with the inner headed face of brake hub, the curvature of this circular arc rubbing surface is identical with the curvature of the inner circle of brake hub, between the first end of movable rod and the second end, is flexibly connected movable rod.This model utility structure is also more complicated, and manufacture cost is higher.
For another example application number is, 201020604824.7, invention and created name is the utility application of " speed-limiting damped brake system for wind-driven generators ", and this model utility relates to a kind of braking device of fan-driven generator, especially a kind of speed-limiting damped brake system for wind-driven generators.Comprise brake hub, in brake hub, be at least provided with a brake shoe, brake shoe radially arranges continuously along brake hub, wherein, one end of brake shoe arranges fulcrum, brake shoe can rotate along fulcrum, brake shoe is connected with brake hub by fulcrum, between the brake shoe that this end of brake shoe is adjacent simultaneously, connect by spring, the corresponding brake shoe the other end is free end, braking device of fan-driven generator is provided with magnetic material on brake shoe and between brake shoe and the internal surface of brake hub, corresponding brake hub internal surface is provided with permeability magnetic material, between magnetic material and permeability magnetic material, there is air gap.Although this model utility device can be limited in the rotating speed of wind wheel in certain speed range, extend the life-span of wind-driven generator, ensure the Security of wind-driven generator, apparent, structure is also very complicated, manufacture cost is very high.
For another example application number is, 201020104231.4, invention and created name is the utility model patent of " double-head wind driven generator ", comprise vertical rod, fan, generator and storage battery, be characterized in: generator is arranged in vertical rod, fan has big fan and small fan, they are arranged on respectively the two ends, left and right of generator shaft, wind direction angle-adjusting mechanism is installed between big fan and generator, the top of generator is provided with vertical rod and sail, sail bottom has connecting rod to be connected with the mechanism that adjusts generator angle according to wind direction, generator connects storage battery after guiding to change-over circuit by wire.When wind direction is for the wind time, generator shaft runs well, generating output energy; In the time that wind direction is contrary wind, make generator generator shaft can realize normal operation according to wind direction angle-adjusting mechanism, reverse and can not occur.This wind-driven generator structure is simple, and cost is low; Wind-force capturing ability is strong, and efficiency is high, safe and reliable, adapts to wide.But this utility model patent does not still have braking device.
Therefore,, if there is one simple in structure, braking device of fan-driven generator with low cost uses in wind-driven generator, this is very desirable for development wind-power electricity generation certainly, but unfortunately up to the present, the braking device of wind-driven generator is all more complicated, and manufacture cost is also very high.
Two. summary of the invention
The object of the invention is to manufacture and design a kind of double-head wind driven generator with braking device, is all complex structure to overcome current power generating equipment braking device, the shortcoming that cost is high.
The object of the present invention is achieved like this: a kind of double-head wind driven generator with braking device, mainly comprise generator 12, be separately fixed at big fan 1 and the small fan 11 of generator shaft 18 rear and front ends of generator 12, be arranged at the fixed window leaf 2 of generator 12 front ends and turn active window leaf 3, rear and front end respectively with the connecting rod 4 that turns active window leaf 3 and sail 5 and be connected, the sail 5 that is arranged at generator 12 tops and is connected with connecting rod 4, it is characterized by: braking device mainly comprises that one end is fixed on the end face of generator 12 and another is free-ended centrifugal band-type brake sheet 20, be fixed on centrifugal band-type brake sheet 20 1 sides and be arranged at centrifugal band-type brake sheet 20 and centrifugal band-type brake piece 21 that cylinder is stopped between pier 22 outer round surface, be fixed on cylinder on the generator shaft 18 of generator 12 pier 22 of stopping.
Centrifugal band-type brake sheet 20 use sheet metals or plastic sheet are made.
Centrifugal band-type brake piece 21 use rubber or plastic cement are made.
Centrifugal band-type brake sheet 20 surfaces are for rectangle and curve circular arc.
Centrifugal band-type brake piece 21 surfaces are for rectangle and curve circular arc.
Stop pier 22 use metals or plastics of cylinder are made.
Take the present invention of above measure, brake device structure is simple, and cost is lower.Having overcome current wind power plant braking device is all complex structure, the shortcoming that cost is high.
Four. brief description of the drawings
Accompanying drawing 1 is the structural representation of the embodiment of the present invention;
Accompanying drawing 2 is structural representations of the braking device of the embodiment of the present invention;
Accompanying drawing 3 is structural representations of the fixed window leaf 2 of the embodiment of the present invention;
Accompanying drawing 4 is structural representations that turn active window leaf 3 of the embodiment of the present invention;
The window impeller structure schematic diagram of accompanying drawing 5 when to be embodiment of the present invention wind directions consistent with the sense of rotation of motor:
Window impeller structure schematic diagram when accompanying drawing 6 is direction of rotation of embodiment of the present invention wind direction and motor.
Description of reference numerals:
Big fan 1, fixed window leaf 2, turn that active window leaf 2, connecting rod 4, sail 5, fixed base 6, roller 7, sail fixing rod 8, bearing 9, sail support bacillus 10, small fan 11, motor 12, circuit conversion system 13, storage battery 14, vertical rod 15, fixed window leaf window 16, turn active window leaf window 17, generator shaft 18, centrifugal band-type brake sheet 20, centrifugal band-type brake piece 21, cylinder are stopped pier 22.
Below be described in further detail in conjunction with the accompanying drawings and embodiments again.
Five. embodiment
The present invention is to be 201020104231.4 in the patent No., on the basis of the utility model patent that invention and created name is " double-head wind driven generator ", improves, and improved technological scheme is, in the front of generator 12, braking device is set.
Accompanying drawing 1 has provided the structural representation of the embodiment of the present invention.Mainly comprise generator 12, be separately fixed at generator shaft 18 rear and front ends of generator 12 big fan 1 and small fan 11, be arranged at generator 12 front ends fixed window leaf 2 with turn active window leaf 3, rear and front end respectively with turn the connecting rod 4 that active window leaf 3 and sail 5 be connected, the sail 5 that is arranged at generator 12 tops and is connected with connecting rod 4.Big fan 1 and small fan 11 are arranged on respectively the termination, left and right of generator 12 axles, and generator 12 is arranged in vertical rod 15, and the urceolus of dressing generator 12 has hole can pass vertical rod 15, and generator 12 can be rotated around vertical rod 15.Sail 5 is fixing by sail fixing rod 8 and sail strut 10, the lower end of sail 5 is also provided with fixed base 6, fixed base 6 is provided with roller 7, be beneficial to reduce when connecting rod 4 drives sail 5 to seesaw resistance, bearing 9 is installed on sail fixing rod 8, fixed window leaf 2 is installed and turns active window leaf 3 near the front end of generator 12, on two gate leaves, have the window that several sizes are identical, wherein turning active window leaf 3 presses hard by generator 12, fixed window leaf 2 is pressed close in the outer end that turns active window leaf 3, one end of connecting rod 4 with turn active window leaf 3 and be connected, the other end is fixed on the below of sail 5, the electric energy that generator 12 is exported is filled with storage battery 14 by circuit conversion system 13 and stores, storage battery 14 can directly or by inverter be changed and supply with electric consumer use.
Braking device comprise that one end is fixed on the end face of generator 12 and another for free-ended centrifugal band-type brake sheet 20, be fixed on centrifugal band-type brake sheet 20 1 sides be arranged at centrifugal band-type brake sheet 20 and cylinder stop centrifugal band-type brake piece 21 between pier 22 outer round surface, be fixed on cylinder on the generator shaft 18 of generator 12 pier 22 of stopping.Centrifugal band-type brake sheet 20 is rectangle.Make with rubber or plastic cement.Embodiment's centrifugal band-type brake sheet 20 is rectangular rectangle the foil that is circular arc.Centrifugal band-type brake piece 21 is the sheet rubber that rectangular rectangle is circular arc.
The embodiment of the present invention is work like this:
When wind direction is for the wind time, fixed window leaf 2 and the fixed window leaf window 16 that turns active window leaf 3 with turn active window leaf window 17 and align, just conventional moving the turning of generator 12 main shafts, electric energy is exported in generating; In the time that wind direction is contrary wind, connecting rod 4 is turned active window leaf 3 by sail 5 drives and turns over certain angle, makes to turn active window leaf window 17 and covers fixed window leaf window 16, like this, the reverse of generator 12 main shafts just can not occur, and at this moment generator 12 main shafts have realized normal operation, continues generating output energy.
Brake device structure of the present invention is simple, automatically brake according to the overburdening of wind-force, in the time that wind-force is excessive, under the effect of centrifugal force, centrifugal band-type brake sheet 20 tightens up, 21 frictions of centrifugal band-type brake piece are fixed on cylinder on the generator shaft 18 that is fixed on generator 12 pier 22 of stopping, and reach the object of braking, thereby ensure not g-load damage of generator 12.Wind power generation efficiency of the present invention is high, and cost is low.Adopt vertical rod fixed electrical machinery, the two ends of motor are provided with large small fan, do not need complicated component, realize so manufacture than being easier to, and be wind-driven generator practical, little investment.It is strong that advantage of the present invention also has wind-force capturing ability, owing to having adopted big fan 1 and small fan 11, when air quantity hour, the just auxiliary big fan 1 of small fan 11 increases air quantity to reach strong wind energy power, have safe and reliable, the advantage of wide adaptability, is not subject to the impact of wind direction and region, can be in rural area, pasture, multiple areas, desert adopt.
The present invention can also fix rope on the termination of centrifugal band-type brake sheet 20, if do not wish wind-driven generator operation, can tighten up a rope and fix downwards, and wind-driven generator operation can not move.
Claims (6)
1. one kind has the double-head wind driven generator of braking device, mainly comprise generator (12), be separately fixed at big fan (1) and the small fan (11) of generator shaft (18) rear and front end of generator (12), be arranged at the fixed window leaf (2) of generator (12) front end and turn active window leaf (3), rear and front end respectively with the connecting rod (4) that turns active window leaf (3) and sail (5) and be connected, the sail (5) that is arranged at generator (12) top and is connected with connecting rod (4), it is characterized by: braking device mainly comprises that one end is fixed on the end face of generator (12) and another is free-ended centrifugal band-type brake sheet (20), be fixed on centrifugal band-type brake sheet (20) one sides and be arranged at centrifugal band-type brake sheet (20) and centrifugal band-type brake piece (21) that cylinder is stopped between pier (22) outer round surface, be fixed on cylinder on the generator shaft (18) of generator (12) pier (22) of stopping.
2. the double-head wind driven generator with braking device according to claim 1, is characterized by: centrifugal band-type brake sheet (20) sheet metal or plastic sheet are made.
3. the double-head wind driven generator with braking device according to claim 1, is characterized by: centrifugal band-type brake piece (21) rubber or plastic cement are made.
4. the double-head wind driven generator with braking device according to claim 1, is characterized by: centrifugal band-type brake sheet (20) surface is for rectangle and curve circular arc.
5. the double-head wind driven generator with braking device according to claim 1, is characterized by: centrifugal band-type brake piece (21) surface is for rectangle and curve circular arc.
6. the double-head wind driven generator with braking device according to claim 1, is characterized by: stop pier (22) metal or plastics of cylinder are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210478600.XA CN103835885A (en) | 2012-11-23 | 2012-11-23 | Double-end wind driven generator with brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210478600.XA CN103835885A (en) | 2012-11-23 | 2012-11-23 | Double-end wind driven generator with brake device |
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| Publication Number | Publication Date |
|---|---|
| CN103835885A true CN103835885A (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210478600.XA Pending CN103835885A (en) | 2012-11-23 | 2012-11-23 | Double-end wind driven generator with brake device |
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| Country | Link |
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| CN (1) | CN103835885A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780487A (en) * | 2021-01-22 | 2021-05-11 | 苏州立科工业设计有限公司 | High-strength braking device for wind power generation equipment |
-
2012
- 2012-11-23 CN CN201210478600.XA patent/CN103835885A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780487A (en) * | 2021-01-22 | 2021-05-11 | 苏州立科工业设计有限公司 | High-strength braking device for wind power generation equipment |
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Application publication date: 20140604 |