CN101598114B - Toothed disc type wind power generation lightning arrester - Google Patents
Toothed disc type wind power generation lightning arrester Download PDFInfo
- Publication number
- CN101598114B CN101598114B CN2009101121479A CN200910112147A CN101598114B CN 101598114 B CN101598114 B CN 101598114B CN 2009101121479 A CN2009101121479 A CN 2009101121479A CN 200910112147 A CN200910112147 A CN 200910112147A CN 101598114 B CN101598114 B CN 101598114B
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- China
- Prior art keywords
- toothed disc
- fixed
- fluted disc
- lightning arrester
- lightning
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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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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a toothed disc type wind power generation lightning arrester. The lightning arrester is characterized in that the lightning arrester comprises an external toothed disc and an internal toothed disc positioned in the center of the external toothed disc; the external toothed disc and the internal toothed disc are oppositely provided with sharp teeth which can achieve a point discharge effect toward the side of the moving gap; the center of the internal toothed disc is provided with a hole through which a main shaft of a fan passes; one toothed disc is fixed on a wheel boss of the fan and synchronously rotates along with the wheel boss, and the toothed disc fixed on the wheel boss is electrically connected with a lightning receiving needle fixed on a fan blade; and the other toothed disc is fixed at the front end of a cabin shell and directly connected with a ground wire. By the matching of the sharp teeth of the moving gap of the internal toothed disc and the external toothed disc, the lightning guided by the lightning receiving needle fixed on the fan blade forms the point discharge phenomenon in the sharp tooth structure between the internal toothed disc and the external toothed disc and is quickly and directly discharged to the ground, so that the electric generator or other units avoid lightning surge damage to the maximum extent.
Description
Technical field:
The present invention relates to a kind of wind-driven generator lightning protection component, can supportingly be installed on the wind power generating set, improve the lightning protection performance of wind-power electricity generation.
Background technique:
Wind energy is a kind of inexhaustible clean energy resource, and China wind energy power station is through for successive years high speed development, and total installation of generating capacity has come Asia first.
As everyone knows, wind power generating set will be installed in abundant coastal, Plain of wind energy resources or massif area, and the high point of fan blade can reach more than hundred meters, and the high blower fan that towers is very easily hit by thunder and lightning.The huge energy that thunder and lightning discharges can cause wind power generation unit blade, damage of bearings, and generator insulating is breakdown, and controlling parts is burnt etc.In case thunderbolt occurs, give the wind-powered electricity generation unit maintenance, to change impaired parts expense huge, this also is that wind energy power is difficult to the main cause extensively popularized.
In the existing wind-powered electricity generation shocking preventing technology, main " the blade lightning protection structure of no blade tip damper " and " the blade lightning protection structure that the blade tip damper is arranged " of adopting, these two kinds of shocking preventing technologies connect lightning and go into all to have big defective on the method on ground drawing, the most of lightning current that produces during the thunderbolt blade all passes through the low speed main bearing and imports the tower tube, form the bright plaque point of bearing surface easily, cause blower fan to seize up, and, often can cause phenomenons such as generator coil is breakdown, controlling parts burns out simultaneously because thunder and lightning draws and inserts the ground process and have some setbacks.
Summary of the invention:
The objective of the invention is to design a kind of wind-driven generator lightning protection component that can externally be fixed on the wind-driven generator surface.
Technical solution of the present invention is achieved in that a kind of toothed disc type wind power generation lightning arrester, it is characterized in that this lightning arrester includes an outer tooth disk and a fluted disc that is positioned at this outer tooth disk neutral position, outer tooth disk and interior fluted disc are furnished with the pointed tooth that can produce the point discharge effect in opposite directions respectively towards movement clearance one side, offer the eyelet that an air feed machine main shaft passes in the middle of the interior fluted disc, one of them fluted disc is fixed on the axial fan hub, rotate synchronously with wheel hub, be fixed on the wheel hub fluted disc be fixed on fan blade on connect and dodge pin and be electrically connected, another fluted disc is fixed on cabin housing front end, and directly is connected with ground wire.Cooperation by inside and outside fluted disc movement clearance pointed tooth; connect from fan blade and to dodge the thunder and lightning that pin attracts and the pointed dentation structure between outer tooth disk and the interior fluted disc, to form " point discharge " phenomenon; thunder and lightning is directly released fast into ground; reenter ground after avoiding lightning current by blower fan low speed main bearing; this direct discharge type also can farthest be protected generator and other unit equipment to exempt from thunderbolt and destroy except that can protecting the low speed main bearing.
Fixedly connecing on the fan blade dodged pin and is electrically connected with fluted disc on being fixed on wheel hub with flexible circuit conductor at the wheel hub base portion, and when fan blade do change oar moved, stretching or buckling phenomenon will appear in flexible circuit conductor.
The present invention have be skillfully constructed, reasonable in design; characteristic of simple structure by dynamic fit discharging structure between interior outer tooth disk, both can guarantee fan blade operation not increasing resistance; can quickly lightning current directly be drawn when thunder and lightning produces again and insert ground, the protection wind power generating set is avoided thunderbolt and is destroyed.This assembly both can organically be designed to one with new equipment, also was fit to repacking active service wind power generating set, improved lightning protection capability.
Description of drawings:
The present invention will be further described below in conjunction with concrete legend:
Fig. 1 toothed disc type wind power generation lightning arrester structural representation
Wherein
1-connects and dodges pin 2-fan blade 3-wheel hub
Fluted disc 6-flexible circuit conductor in the 4-outer tooth disk 5-
Embodiment:
With reference to Fig. 1, a kind of toothed disc type wind power generation lightning arrester assembly comprises connecing and dodges pin 1, flexible circuit conductor 6, and lightning arrester outer tooth disk 4 and interior fluted disc 5, this is the metallic conduction material and makes.Outer tooth disk 4 is fixed on the axial fan hub 3 and rotates synchronously with impeller of blower hub 3, and it is fixed that interior fluted disc 5 is fixed on housing front portion, cabin, blower fan main shaft in the middle of the interior fluted disc 5 the eyelet middle punches and mistake, interior fluted disc 5 directly is connected with ground wire.Connect sudden strain of a muscle pin 1 end and stretch out fan blade 2 ends, work the sudden strain of a muscle effect that connects, also can place fan blade inside connecing the sudden strain of a muscle pin according to user preferences.
Described toothed disc type wind power generation lightning arrester is being installed when requiring wheel hub in normal rotation, outer tooth disk and interior fluted disc keep same plan-position, movement clearance between outer tooth disk and the interior fluted disc is as the criterion not collide mutually, and the movement clearance between interior fluted disc and outer tooth disk is as far as possible near the receptance effect with the assurance point discharge.In like manner, also outer tooth disk can be fixed on cabin housing one side and be connected, and interior fluted disc is fixed on axial fan hub one side and dodges pin and be electrically connected with connecing, and rotates with blower fan with ground wire.
Claims (2)
1. toothed disc type wind power generation lightning arrester, it is characterized in that this lightning arrester includes an outer tooth disk and a fluted disc that is positioned at this outer tooth disk neutral position, outer tooth disk and interior fluted disc are furnished with the pointed tooth that can produce the point discharge effect in opposite directions respectively towards movement clearance one side, offer the eyelet that an air feed machine main shaft passes in the middle of the interior fluted disc, one of them fluted disc is fixed on the axial fan hub, rotate synchronously with wheel hub, be fixed on the wheel hub fluted disc be fixed on fan blade on connect and dodge pin and be electrically connected, another fluted disc is fixed on cabin housing front end, and directly is connected with ground wire.
2. toothed disc type wind power generation lightning arrester according to claim 1 is characterized in that connecing on the fixing fan blade dodge pin and be electrically connected with fluted disc on being fixed on wheel hub with flexible circuit conductor at the wheel hub base portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101121479A CN101598114B (en) | 2009-07-09 | 2009-07-09 | Toothed disc type wind power generation lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101121479A CN101598114B (en) | 2009-07-09 | 2009-07-09 | Toothed disc type wind power generation lightning arrester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101598114A CN101598114A (en) | 2009-12-09 |
| CN101598114B true CN101598114B (en) | 2011-09-07 |
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ID=41419668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101121479A Expired - Fee Related CN101598114B (en) | 2009-07-09 | 2009-07-09 | Toothed disc type wind power generation lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101598114B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481813B (en) * | 2014-12-05 | 2017-05-31 | 佛山市榕岸海洋工程装备有限公司 | A kind of marine lightning-arrest wind-driven generator and its manufacture method |
| CN105024282B (en) * | 2015-08-12 | 2017-03-29 | 上海电机学院 | A kind of fan blade combines lightning-protection system |
| CN112012887B (en) * | 2019-05-31 | 2022-08-16 | 润弘精密工程事业股份有限公司 | Wind power generation system |
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2009
- 2009-07-09 CN CN2009101121479A patent/CN101598114B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101598114A (en) | 2009-12-09 |
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Granted publication date: 20110907 Termination date: 20150709 |
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| EXPY | Termination of patent right or utility model |