CN102374136B - Impeller lightning protection device for wind generating set - Google Patents
Impeller lightning protection device for wind generating set Download PDFInfo
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- CN102374136B CN102374136B CN2011102666278A CN201110266627A CN102374136B CN 102374136 B CN102374136 B CN 102374136B CN 2011102666278 A CN2011102666278 A CN 2011102666278A CN 201110266627 A CN201110266627 A CN 201110266627A CN 102374136 B CN102374136 B CN 102374136B
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- carbon brush
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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 discloses an impeller lightning protection device for a wind generating set. The impeller lightning protection device comprises a small size lightning protection bracket which is installed on a wheel hub and rotates along with the wheel hub, an introduction carbon brush and an extraction carbon brush are installed on the lightning protection bracket, wherein the introduction carbon brush is used for introducing thunder and lightning to a variable pitch blade, and the extraction carbon brush is connected with the introduction carbon brush and used for conducting the thunder and lightning to a motionless wind wheel locking flange. An auxiliary conductive device is installed on the lightning protection bracket and comprises a first arc striking electrode and a second arc striking electrode, wherein the first arc striking electrode is used for introducing the thunder and lightning on the variable pitch blade, and the second arc striking electrode is connected with the first arc striking electrode and used for conducting the thunder and lightning introduced by the first arc striking electrode to the motionless wind wheel locking flange. The impeller lightning protection device for the wind generating set provided by the invention aims to solve the problems of large size, complex structure, difficult manufacture and installation and the like of the traditional impeller lightning protection device and has the characteristics of low cost, simple structure, convenience for installation and the like.
Description
[technical field]
The present invention relates to a kind of lighting protection device, furtherly be a kind of impeller lightning protection device for wind generating set.
[background technique]
General wind power generating set is all the lighting protection device of impeller own to be reached the lighting protection device that is connected with main drive chain manufacture and design separately, the lighting protection device of impeller system manufactures and designs the boundary dimension that just has been subject to blade, wheel hub and main drive chain and the restriction of structural type like this, often bulky or complex structure, make installation cost also high.
[summary of the invention]
The present invention has overcome the deficiency of above-mentioned technology, and a kind of impeller lightning protection device for wind generating set is provided, and is bulky to solve existing impeller lightning protection device, and complex structure is made the problems such as difficulty is installed.
For achieving the above object, the present invention has adopted following technical proposal:
A kind of impeller lightning protection device for wind generating set, the lightning protection support that comprises the small volume that is arranged on wheel hub and rotates with wheel hub, the lightning protection support is equipped with the introducing carbon brush that introduce to become thunder and lightning on the blade sheet, and with introduce that carbon brush is connected, thunder and lightning is conducted into the carbon brush of drawing on transfixion wind wheel lock flange.
A kind of impeller lightning protection device for wind generating set as above, it is characterized in that on described lightning protection support, the additional conductive device being housed, the additional conductive device comprises the first arc electrode that introduce to become thunder and lightning on the blade sheet, and is connected with the first arc electrode, be used for the second arc electrode on the first actionless wind wheel lock flange of thunder and lightning that arc electrode is introduced importing.
A kind of impeller lightning protection device for wind generating set as above, it is characterized in that described introducing carbon brush, draw carbon brush, the first arc electrode and the second arc electrode be installed on a carbon brush mounting bracket, carbon brush mounting bracket is fixed on the lightning protection support, introduces carbon brush and draw between carbon brush to connect by wire.
A kind of impeller lightning protection device for wind generating set as above is characterized in that described carbon brush mounting bracket is the certain right angle flap of width, and the length of carbon brush mounting bracket two flangings is 149mm * 85mm, and the width of carbon brush mounting bracket is 230mm.
A kind of impeller lightning protection device for wind generating set as above is characterized in that described lightning protection support is "T"-shaped nylon support, and lightning protection support height and Extreme breadth are 555mm * 250mm.
A kind of impeller lightning protection device for wind generating set as above is characterized in that the thunder and lightning on described wind wheel lock flange imports yaw system and imports the earth through the tower cylinder by the lightning protection line.
The invention has the beneficial effects as follows:
1, the wind wheel lock flange is fixedly mounted on the main drive chain shell, utilize like this lightning protection support of small volume that impeller system and main drive chain two-part lighting protection device are coupled together, directly thunder and lightning on blade is imported the main drive chain part, avoided the larger lightning protection support of available technology adopting lightning protection line and volume, thereby reduced the volume of whole lighting protection device and made installation difficulty, having reduced cost.
2, the lightning protection support adopts the nylon support that nylon material is made, and the lightning protection support is non-conductive, can prevent that like this heavy current that blade is subject to from passing back on wheel hub.
3, in the present invention, the boundary dimension of carbon brush mounting bracket is the right angle flap of 230 * 149 * 85mm, the boundary dimension of lightning protection support is the "T"-shaped nylon support of 555mm * 250mm, make the existing lighting protection device of volume ratio of the present invention dwindle 3 times, make easy for installation a lot.
[description of drawings]
Fig. 1 is structural representation of the present invention;
Fig. 2 is the carbon brush mounting bracket plan view;
Fig. 3 is the carbon brush mounting bracket left view;
Fig. 4 is lightning protection support plan view;
Fig. 5 is that the present invention uses schematic diagram on blower fan.
Wherein: 11 is the first arc electrode, and 12 is the second arc electrode, and 21 for introducing carbon brush, and 22 for drawing carbon brush, and 23 is wire, and 3 is carbon brush mounting bracket, and 4 are the lightning protection support, and 5 is the wind wheel lock flange, and 6 is wheel hub, and 7 for becoming the blade sheet.
[embodiment]
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited to this.
As shown in Figure 1, a kind of impeller lightning protection device for wind generating set, comprise and being arranged on wheel hub 6 and with the lightning protection support 4 of the small volume of wheel hub 6 rotations, be equipped with on lightning protection support 4 for the introducing carbon brush 21 that introduce to become thunder and lightning on the blade sheet, lightning protection support 4 also be equipped with introduce carbon brush 21 that is connected, draw carbon brush 22 for thunder and lightning is conducted on transfixion wind wheel lock flange 5.
The additional conductive device is housed on lightning protection support 4, the additional conductive device comprises the first arc electrode 11 that introduce to become thunder and lightning on blade sheet 7, and that is connected with the first arc electrode 11, be used for the second arc electrode 12 on the first actionless wind wheel lock flange 5 of arc electrode 11 thunder and lightning of introducing importing.Introduce carbon brush 21 and draw carbon brush 22 and respectively have three, the first arc electrode 11 and the second arc electrode 12 respectively have two, introduce carbon brush 21, draw carbon brush 22, the first arc electrode 11 and the second arc electrode 12 and be installed on a carbon brush mounting bracket 3, carbon brush mounting bracket 3 use screw fastenings are introduced draw carbon brush 22 between corresponding with it of carbon brush 21 and are connected by wire 23 respectively on lightning protection support 4.
As shown in Figures 2 and 3, carbon brush mounting bracket 3 is the certain right angle flap of width, and a of carbon brush mounting bracket two flangings, b length are 149mm * 85mm, and the width c of carbon brush mounting bracket is 230mm.
As shown in Figure 4, the lightning protection support 4 "T"-shaped nylon support for adopting nylon material to make, nylon support can prevent from becoming the heavy current that blade sheet 7 receives and pass back on wheel hub 6.Lightning protection support 4 height d and Extreme breadth e are respectively 555mm * 250mm.
As shown in Figure 5, during fan operation, the present invention is with wheel hub 6 rotations, become blade sheet 7 and do to become the oar rotation with respect to wheel hub 6, wind wheel lock flange 5 is fixedly mounted on transfixion on the main drive chain shell, thunder and lightning on the change blade sheet 7 of rotation directly imports static wind wheel lock flange 5 by the present invention, then imports yaw system by the lightning protection line on wind wheel lock flange 5, and finally imports the earth by the tower cylinder.
Claims (3)
1. impeller lightning protection device for wind generating set, it is characterized in that comprising the lightning protection support of the small volume that is arranged on wheel hub and rotates with wheel hub, the lightning protection support is equipped with introduces the introducing carbon brush that becomes thunder and lightning on the blade sheet, and be connected with the introducing carbon brush, thunder and lightning is conducted into the carbon brush of drawing on transfixion wind wheel lock flange, on described lightning protection support, the additional conductive device is housed, the additional conductive device comprises introduces the first arc electrode that becomes thunder and lightning on the blade sheet, and be connected with the first arc electrode, be used for the second arc electrode on the first actionless wind wheel lock flange of thunder and lightning that arc electrode is introduced importing, described introducing carbon brush, draw carbon brush, the first arc electrode and the second arc electrode are installed on a carbon brush mounting bracket, carbon brush mounting bracket is fixed on the lightning protection support, introduce carbon brush and draw between carbon brush and connect by wire, described lightning protection support is "T"-shaped nylon support, lightning protection support height and Extreme breadth are 555mm * 250mm.
2. a kind of impeller lightning protection device for wind generating set according to claim 1, it is characterized in that described carbon brush mounting bracket is the certain right angle flap of width, the length of carbon brush mounting bracket two flangings is 149mm * 85mm, and the width of carbon brush mounting bracket is 230mm.
3. a kind of impeller lightning protection device for wind generating set according to claim 1, is characterized in that the thunder and lightning on described wind wheel lock flange imports yaw system and imports the earth through the tower cylinder by the lightning protection line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102666278A CN102374136B (en) | 2011-09-09 | 2011-09-09 | Impeller lightning protection device for wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102666278A CN102374136B (en) | 2011-09-09 | 2011-09-09 | Impeller lightning protection device for wind generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102374136A CN102374136A (en) | 2012-03-14 |
| CN102374136B true CN102374136B (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102666278A Active CN102374136B (en) | 2011-09-09 | 2011-09-09 | Impeller lightning protection device for wind generating set |
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| Country | Link |
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| CN (1) | CN102374136B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757054B (en) * | 2021-10-27 | 2023-03-28 | 上海电气风电集团股份有限公司 | Down-lead sliding connection device of wind generating set |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463802A (en) * | 2007-12-21 | 2009-06-24 | 广东明阳风电技术有限公司 | Lightning protection system for wind generator set |
| CN201916132U (en) * | 2010-12-13 | 2011-08-03 | 哈尔滨哈飞工业有限责任公司 | Lightning protection device for wind generating set blade |
| CN202360304U (en) * | 2011-09-09 | 2012-08-01 | 广东明阳风电产业集团有限公司 | Wind generating set impeller lightning protection device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2488515C (en) * | 2002-06-19 | 2011-02-22 | Neg Micon A/S | Lightning protection means for a wind turbine |
| ES2373154B2 (en) * | 2009-04-22 | 2012-06-07 | Gamesa Innovation & Technology, S.L. | RAY PROTECTION SYSTEM FOR SECTIONAL BLADES. |
-
2011
- 2011-09-09 CN CN2011102666278A patent/CN102374136B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463802A (en) * | 2007-12-21 | 2009-06-24 | 广东明阳风电技术有限公司 | Lightning protection system for wind generator set |
| CN201916132U (en) * | 2010-12-13 | 2011-08-03 | 哈尔滨哈飞工业有限责任公司 | Lightning protection device for wind generating set blade |
| CN202360304U (en) * | 2011-09-09 | 2012-08-01 | 广东明阳风电产业集团有限公司 | Wind generating set impeller lightning protection device |
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| Publication number | Publication date |
|---|---|
| CN102374136A (en) | 2012-03-14 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20120314 Assignee: Tianjin Mingyang Wind Turbine Rotor Blade Technology Co., Ltd. Assignor: Guangdong Mingyang Wind Power Group Co., Ltd. Contract record no.: 2014120000023 Denomination of invention: Impeller lightning protection device for wind generating set Granted publication date: 20130522 License type: Exclusive License Record date: 20140508 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan Patentee after: Ming Yang wisdom Energy Group AG Address before: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan Patentee before: Guangdong Mingyang Wind Power Group Co., Ltd. |