CN203214235U - Wind driven generator - Google Patents

Wind driven generator Download PDF

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Publication number
CN203214235U
CN203214235U CN2013200672940U CN201320067294U CN203214235U CN 203214235 U CN203214235 U CN 203214235U CN 2013200672940 U CN2013200672940 U CN 2013200672940U CN 201320067294 U CN201320067294 U CN 201320067294U CN 203214235 U CN203214235 U CN 203214235U
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CN
China
Prior art keywords
wind
driven generator
typhoon
fixed
rotating shaft
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
Application number
CN2013200672940U
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Chinese (zh)
Inventor
高伟
李春
陈余
陈晖�
叶舟
聂佳斌
李志敏
吴攀
魏远
栾忠骏
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Publication date
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Priority to CN2013200672940U priority Critical patent/CN203214235U/en
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Publication of CN203214235U publication Critical patent/CN203214235U/en
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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
    • Y02E10/728—Onshore wind turbines
    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

Abstract

The utility model provides a wind driven generator which can protect a circuit and can also reduce cost. The wind driven generator comprises a support, a rotating shaft and a wind wheel assembly, wherein the support is fixed on the ground, the rotating shaft is fixed on the support, and the wind wheel assembly rotates in a horizontal plane around the rotating shaft. The wind wheel assembly comprises at least two rotating components. Each rotating component comprises blades and at least one length-adjustable rod, wherein one end of each rod is fixed with the rotating shaft, and the other end of each rod is fixed with the blades. When typhoon comes, the swept area of a wind wheel is reduced by the adjustment of the retraction of the rods in the wind wheel assembly, stress is reduced, total output power is reduced, the circuit is protected, overload is prevented from happening too early, and the wind driven generator can safely operate under bad working conditions such as typhoon and violent typhoon. After the typhoon, the rods are adjusted to original positions, and the wind driven generator can normally and safely operate again after the typhoon. The maximum utilization rate of a wind machine is effectively achieved, the method of thickening the support is avoided, the cost is reduced, and the wind driven generator has strong economic applicability.

Description

Wind-driven generator
Technical field
The utility model relates to a kind of wind-driven generator, particularly a kind of wind-driven generator of vertical shaft.
Background technique
At present, common vertical axis aerogenerator type comprises Dari eritrea type wind-driven generator and H type wind energy conversion system.Under typhoon and violent typhoon, the central rotating shaft of wind-driven generator can produce distortion.Modern wind generator designs adopt international standards mostly (IEC 61400-1), but this standard is generally only considered the operating conditions of Europe and North America, and be not included in the design requirement of tropical depression zone of action.So, caused a lot of historical cases that wind-driven generator lost efficacy in the tropical depression activity, caused very big economic loss.Estimate that to the year two thousand twenty the offshore wind Denso machine total amount target of China is 30GW, wherein 40% offshore wind energy conversion system will face the risk of typhoon and violent typhoon.
The Anti-Typhoon design of traditional wind-driven generator is overstriking thickening central rotating shaft often, makes it have big resistance to flexure, and such way can make cost rise greatly, and lacks the protection to circuit.
The model utility content
The purpose of this utility model provide a kind of can either protective circuit, can reduce the wind-driven generator of wind-driven generator cost again.By adjusting the swept area that stretches to reduce wind wheel of the telescopic bar in the wind wheel assembly; thereby reduce stressed; reduce resultant couple; gross output is reduced; load reduces; can reach protective circuit; avoid transshipping too early; guarantee that wind-driven generator is running into safe operation and the effect of normal safe operation again after typhoon under the bad working environments such as typhoon and violent typhoon; realized the peak use rate of wind energy conversion system effectively; broken away from the mode of overstriking thickening pillar again, thereby reduced cost, stronger economic serviceability has been arranged.
To achieve these goals, the utility model has been taked following structure
＜structure 1 〉
A kind of wind-driven generator that the utility model relates to, comprise the pillar that fixes on the ground, the wind wheel assembly that is fixed on the rotating shaft on the pillar and in horizontal plane, rotates around the shaft, the wind wheel assembly comprises at least two rotary components, it is characterized in that: rotary component comprises: blade, the bar of at least one adjustable length; Wherein, an end and the rotating shaft of adjustable length bar are fixed, the other end and vanes fixed.
Further, wind-driven generator of the present utility model can also have such feature: rotary component wherein is three.
When typhoon comes temporarily, can shrink by the telescopic bar of manual tune, make blade near rotating shaft, thereby reduce the swept area of wind wheel assembly, reduce the stressed of wind-driven generator, reduce resultant couple, reduce gross output, reduce load, thereby reach the effect of protective circuit; After the typhoon, wind speed reduces, but manual adjustment rod elongation, make blade away from rotating shaft, get back to typhoon arriving position before, so just guaranteed that the wind-power electricity generation function rides out typhoon and violent typhoon period, and at typhoon normal safe operation again later, realized the peak use rate of wind-driven generator effectively.
Because the flexible operability of manual adjustment rod is relatively poor, so the utility model has also designed automatic scheme:
Further, wind-driven generator of the present invention can also have such feature: also comprise: be used for the flexible drive unit of driveshaft, drive unit is installed on the bar.
Further, wind-driven generator of the present invention can also have such feature: also comprise: the control gear that is used for accessory drive, the output terminal of control gear is connected with drive unit, and it is flexible that the instruction accessory drive that sends by control gear drives the bar of adjustable length.
Further, wind-driven generator of the present invention can also have such feature: control gear is installed on the pillar.
Further, wind-driven generator of the present invention can also have such feature: also comprise: for detection of the anemoscope of wind speed, anemoscope is connected with the input end of control gear, and wind velocity signal is transferred to control gear.
When blowing typhoon, wind speed increases, and when anemoscope detected wind speed and reaches the maximum critical value that pre-sets, control gear will send instruction, the bar that drives adjustable length by drive unit shrinks, make blade near rotating shaft, thereby reduce the swept area of wind wheel assembly, reduce the stressed of wind-driven generator, reduce resultant couple, reduce gross output, reduce load, thereby reach the effect of protective circuit; After the typhoon, wind speed reduces, when anemoscope detects wind speed less than the critical value that pre-sets, control gear will send instruction, by drive unit the bar of adjustable length is extended, and makes blade away from rotating shaft, get back to typhoon arriving position before, so just guaranteed that the wind-power electricity generation function rides out typhoon and violent typhoon period, and at typhoon normal safe operation again later, realized the peak use rate of wind-driven generator effectively.
Further, wind-driven generator of the present utility model can also have such feature: anemoscope is installed in the top of rotating shaft.
Further, wind-driven generator of the present utility model can also have such feature: the bar of adjustable length moves by hydraulic drive mode.
Further, wind-driven generator of the present utility model can also have such feature: the bar of adjustable length is to move by the mode that air pressure drives.
＜structure 2 〉
A kind of wind-driven generator that the utility model relates to, comprise the pillar that fixes on the ground, be fixed on rotating assembly and the wind wheel assembly that in horizontal plane, rotates of assembly around the shaft on the pillar, it is characterized in that: wherein, described wind wheel assembly comprises: the bar of at least two resilient blades, at least one adjustable length; Rotating assembly comprises: rotating shaft, two fixed blocks; Blade is curved in vertical surface; One end of blade is fixed on the fixed block, and the lower end of this fixed block and rotating shaft fixes; The other end of blade is fixed on another piece fixed block, and the upper end of this fixed block and bar fixes, and the lower end of bar is connected with rotating shaft is telescopic.
Further, wind-driven generator of the present utility model can also have such feature: the blade in the wind wheel assembly is two.
When typhoon comes interim, can extend by the telescopic bar of manual tune, thereby elongate resilient blade, blade is narrowed down in the horizontal direction, thereby reduce the swept area of wind wheel assembly, reduce the stressed of wind-driven generator, reduce resultant couple, reduce gross output, reduce load, thereby reach the effect of protective circuit; After the typhoon, wind speed reduces, but manual adjustment rod shortens, thereby make resilient blade broaden in the horizontal direction, get back to typhoon arriving position before, so just guaranteed that the wind-power electricity generation function rides out typhoon and violent typhoon period, and at typhoon normal safe operation again later, realized the peak use rate of wind-driven generator effectively.
Because manual adjustment rod is flexible not too convenient, operability is relatively poor, so the utility model has also designed automatic scheme:
Further, wind-driven generator of the present utility model can also have such feature: also comprise: be used for the flexible drive unit of driveshaft, this drive unit is installed in the rotating shaft.
Further, wind-driven generator of the present utility model can also have such feature: also comprise: the control gear that is used for the described drive unit of control, the output terminal of control gear is connected with drive unit, and the instruction of sending by control gear makes that drive unit drive bar is flexible.
Further, wind-driven generator of the present utility model can also have such feature: control gear is installed on the pillar.
Further, wind-driven generator of the present utility model can also have such feature: also comprise: for detection of the anemoscope of wind speed, anemoscope is connected with the input end of control gear, and anemoscope is transferred to control gear with wind velocity signal,
When blowing typhoon, wind speed increases, and when anemoscope detected wind speed and reaches the maximum critical value that pre-sets, control gear will send instruction and give drive unit, make the bar elongation of adjustable length, thereby elongate resilient blade, blade is narrowed down in the horizontal direction, thereby reduce the swept area of wind wheel assembly, reduce the stressed of wind-driven generator, reduce gross output, reduce load, thereby reach the effect of protective circuit; After the typhoon, wind speed reduces, when anemoscope detects wind speed less than the critical value that pre-sets, control gear will send instruction and give drive unit, the bar of adjustable length is shortened, thereby make resilient blade broaden in the horizontal direction, get back to typhoon arriving position before, so just guaranteed that the wind-power electricity generation function rides out typhoon and violent typhoon period, and at typhoon normal safe operation again later, realized the peak use rate of wind-driven generator effectively.
Further, wind-driven generator of the present utility model can also have such feature: anemoscope is installed on the fixed block at rotating shaft top.
Further, wind-driven generator of the present utility model can also have such feature: the bar of adjustable length moves by hydraulic drive mode.
Further, wind-driven generator of the present utility model can also have such feature: the bar of adjustable length is to move by the mode that air pressure drives.
The model utility effect
Compared with prior art, the beneficial effects of the utility model:
1. reduce the swept area of wind wheel by the telescopic bar in the adjustment wind wheel assembly; thereby reduce stressed; reduce resultant couple; gross output is reduced; load reduces, and can reach protective circuit, avoids transshipping too early; guarantee that wind-driven generator is running into safe operation and the effect of normal safe operation again after typhoon under the bad working environments such as typhoon and violent typhoon, has realized the peak use rate of wind energy conversion system effectively.
2. broken away from the method for traditional overstriking thickening centre strut, will reduce cost with hard anti-being converted into firmly with gentle anti-hard, stronger economic serviceability has been arranged,
Description of drawings
Fig. 1 is wind-driven generator plan view before typhoon arrives in mode of execution one that the utility model relates to;
Fig. 2 is wind-driven generator plan view before typhoon arrives in mode of execution one that the utility model relates to;
Fig. 3 is wind-driven generator plan view under extreme cases such as typhoon in mode of execution one that the utility model relates to;
Fig. 4 is wind-driven generator plan view under extreme landscape such as typhoon in mode of execution one that the utility model relates to;
Fig. 5 is wind-driven generator plan view before typhoon arrives in mode of execution two that the utility model relates to;
Fig. 6 is wind-driven generator plan view before typhoon arrives in mode of execution two that the utility model relates to;
Fig. 7 is wind-driven generator plan view under extreme cases such as typhoon in mode of execution two that the utility model relates to;
Fig. 8 is wind-driven generator plan view under extreme cases such as typhoon in mode of execution two that the utility model relates to;
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Mode of execution one
Fig. 1 is wind-driven generator plan view before typhoon arrives in mode of execution one that the utility model relates to;
Fig. 2 is wind-driven generator plan view before typhoon arrives in mode of execution one that the utility model relates to;
As shown in Figure 1, 2, the wind-driven generator that the utility model relates to comprises: the pillar 5 that fixes on the ground, be fixed on rotating shaft 1 and the 1 wind wheel assembly that in horizontal plane, rotates around the shaft on the pillar, and the wind wheel assembly comprises three rotary components, rotary component comprises blade 2, the bar 3 of adjustable length.One end of the bar 3 of adjustable length and rotating shaft 1 are fixing, and the other end and blade 2 are fixing, and each blade is fixed with two bars; The wind-driven generator that the utility model relates to also comprises: drive unit 7, anemoscope 4 and control gear 6.Control gear 6 is installed on the pillar 5, and anemoscope 4 is installed in the top of rotating shaft 1, and drive unit 7 is installed on the bar 3.The input end of control gear 6 is connected with anemoscope 4, and the output terminal of control gear 6 is connected with drive unit 7.
Fig. 3 is wind-driven generator plan view under extreme cases such as typhoon in mode of execution one that the utility model relates to;
Fig. 4 is wind-driven generator plan view under extreme landscape such as typhoon in mode of execution one that the utility model relates to;
Shown in Fig. 3,4: anemoscope 4 is transferred to control gear 6 with wind velocity signal, when blowing typhoon, wind speed increases, when wind speed reaches the maximum critical value that pre-sets, anemoscope 4 will send a signal to control gear 6, then control gear 6 will send instruction and give drive unit 7, by hydraulic drive mode the bar 3 of adjustable length is shunk, make blade 2 near rotating shaft 1, thereby reduce the swept area of wind wheel assembly, reduce the stressed of wind-driven generator, reduce resultant couple, reduce gross output, reduce load, thereby reach the effect of protective circuit;
After the typhoon, wind speed reduces, when anemoscope 4 detects wind speed less than the critical value that pre-sets, anemoscope 4 will send a signal to control gear 6, then control gear 6 will send instruction and give drive unit 7, makes the bar 3 of adjustable length be stretched to former length, makes blade 2 away from rotating shaft 1, get back to typhoon arriving position before, as shown in Figure 1, 2.So just guaranteed that the wind-power electricity generation function rides out typhoon and violent typhoon period, and at typhoon normal safe operation again later, realized the peak use rate of wind-driven generator effectively.
Mode of execution two
Fig. 5 is wind-driven generator plan view before typhoon arrives in mode of execution two that the utility model relates to;
Fig. 6 is wind-driven generator plan view before typhoon arrives in mode of execution two that the utility model relates to;
Shown in Fig. 5,6: the wind-driven generator that the utility model relates to, comprise: the pillar 5 that fixes on the ground, be fixed on rotating assembly and the wind wheel assembly that rotates in horizontal plane of assembly around the shaft on the pillar, the wind wheel assembly comprises: two resilient blades 2, the bar 3 of adjustable length; Rotating assembly comprises rotating shaft 1, fixed block 7 and fixed block 8.Blade 2 is curved in vertical surface; One end of blade 2 is fixed on the fixed block 7, and fixed block 7 fixes with the lower end of rotating shaft 1; The other end of blade 2 is fixed on the fixed block 8, and fixed block 8 fixes with the upper end of the bar 3 of adjustable length, and the lower end of the bar 3 of adjustable length and 1 telescopic connection of rotating shaft.The wind-driven generator that the utility model relates to also comprises: be used for the flexible drive unit 9 of driveshaft 3, for detection of anemoscope 4 and the control gear 6 of wind speed.Control gear 6 is installed on the pillar 5, and anemoscope 4 is fixed on the top of fixed block 8, and drive unit 9 is installed in the rotating shaft 1.The input end of control gear 6 is connected with anemoscope 4, and the output terminal of control gear 6 is connected with drive unit 9.
Fig. 7 is wind-driven generator plan view under extreme cases such as typhoon in mode of execution two that the utility model relates to;
Fig. 8 is wind-driven generator plan view under extreme cases such as typhoon in mode of execution two that the utility model relates to;
Shown in Fig. 7,8:
Anemoscope 4 is transferred to control gear 6 with wind velocity signal, when blowing typhoon, wind speed increases, when wind speed reaches the maximum critical value that pre-sets, anemoscope 4 sends a signal to control gear 6, control gear 6 will send instruction and give drive unit 9, the mode that drives by air pressure is extended the bar 3 of adjustable length, thereby elongate resilient blade 2, blade 2 is narrowed down in the horizontal direction, thereby reduce the swept area of wind wheel assembly, reduce the stressed of wind-driven generator, reduce gross output, reduce load, thereby reach the effect of protective circuit;
After the typhoon, wind speed reduces, when anemoscope 4 detects wind speed less than the critical value that pre-sets, will send a signal to control gear 6, control gear 6 will send instruction and give drive unit 9, the bar 3 of adjustable length is shortened, thereby make resilient blade 2 broaden in the horizontal direction, get back to typhoon arriving position before, shown in Fig. 5,6.So just guaranteed that the wind-power electricity generation function rides out typhoon and violent typhoon period, and at typhoon normal safe operation again later, realized the peak use rate of wind-driven generator effectively.
The utility model is not limited with above-mentioned mode of execution, and aim of the present utility model substantially can also be carried out various distortion, and these all should not got rid of from scope of the present utility model.

Claims (10)

1. a wind-driven generator comprises the pillar that fixes on the ground, the wind wheel assembly that is fixed on the rotating shaft on the pillar and rotates around the shaft in horizontal plane, and described wind wheel assembly comprises: at least two rotary components is characterized in that:
Wherein, described rotary component comprises: the bar of blade, at least one adjustable length,
One end and the described rotating shaft of described bar are fixed, the other end and described vanes fixed.
2. wind-driven generator according to claim 1 is characterized in that:
Wherein, described rotary component is three.
3. wind-driven generator according to claim 1 is characterized in that:
Wherein, described bar is two.
4. wind-driven generator comprises the pillar that fixes on the ground, is fixed on rotating assembly and the wind wheel assembly that rotates of assembly around the shaft on the pillar in horizontal plane, it is characterized in that:
Wherein, described wind wheel assembly comprises: the bar of at least two resilient blades, at least one adjustable length;
Described rotating assembly comprises: rotating shaft, two fixed blocks;
Described blade is curved in vertical surface,
One end of described blade is fixed on the described fixed block, and the lower end of the described fixed block of this piece and described rotating shaft fixes;
The other end of described blade is fixed on the described fixed block of another piece, and the upper end of the described fixed block of this piece and described bar fixes, and the lower end of described bar is connected with described rotating shaft is telescopic.
5. wind-driven generator according to claim 4 is characterized in that:
Wherein, described blade is two.
6. according to claim 1 or 4 described wind-driven generators, it is characterized in that:
Comprise that also described drive unit is installed on the described bar for driving the flexible drive unit of described bar.
7. wind-driven generator according to claim 6 is characterized in that:
Described drive unit is fluid pressure drive device.
8. wind-driven generator according to claim 6 is characterized in that:
Described drive unit is actuating device of atmospheric pressure.
9. wind-driven generator according to claim 6 is characterized in that:
Also comprise the control gear for the described drive unit of control, the output terminal of described control gear and institute
Stating drive unit is connected.
10. wind-driven generator according to claim 9 is characterized in that:
Also comprise the anemoscope for detection of wind speed, described anemoscope is connected with the input end of described control gear, and wind velocity signal is transferred to described control gear.
CN2013200672940U 2013-02-05 2013-02-05 Wind driven generator Expired - Fee Related CN203214235U (en)

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Application Number Priority Date Filing Date Title
CN2013200672940U CN203214235U (en) 2013-02-05 2013-02-05 Wind driven generator

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103410658A (en) * 2013-02-05 2013-11-27 上海理工大学 Wind driven generator
CN104088754A (en) * 2014-07-29 2014-10-08 南通理工学院 Vertical-axis wind turbine
CN105626394A (en) * 2016-02-02 2016-06-01 上海交通大学 Telescopic fan blade
CN111852758A (en) * 2020-08-25 2020-10-30 兰州理工大学 Vertical axis wind turbine wind wheel structure based on horizontal axis wind turbine blade reuse

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103410658A (en) * 2013-02-05 2013-11-27 上海理工大学 Wind driven generator
CN103410658B (en) * 2013-02-05 2016-03-23 上海理工大学 Wind-driven generator
CN104088754A (en) * 2014-07-29 2014-10-08 南通理工学院 Vertical-axis wind turbine
CN104088754B (en) * 2014-07-29 2017-02-22 南通理工学院 Vertical-axis wind turbine
CN105626394A (en) * 2016-02-02 2016-06-01 上海交通大学 Telescopic fan blade
CN111852758A (en) * 2020-08-25 2020-10-30 兰州理工大学 Vertical axis wind turbine wind wheel structure based on horizontal axis wind turbine blade reuse

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130925

Termination date: 20140205