CN201666226U - Direct stroke protector for wind generating set blades - Google Patents
Direct stroke protector for wind generating set blades Download PDFInfo
- Publication number
- CN201666226U CN201666226U CN2010201456165U CN201020145616U CN201666226U CN 201666226 U CN201666226 U CN 201666226U CN 2010201456165 U CN2010201456165 U CN 2010201456165U CN 201020145616 U CN201020145616 U CN 201020145616U CN 201666226 U CN201666226 U CN 201666226U
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- CN
- China
- Prior art keywords
- generator set
- discharge tip
- set blade
- generating set
- blades
- 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 - Lifetime
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- Y02E10/722—
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- Wind Motors (AREA)
Abstract
The utility model discloses a direct stroke protector for wind generating set blades. The direct stroke protector comprises generating set blades, in which aluminum sheets are preset. The aluminum sheet is provided with a plurality of discharging tips, and both ends of the discharging tips are extended the edges of the both sides of generating set blades. Both ends of the plurality of discharging tips are like needles or teeth, and the aluminum sheets are grounded through cables. The utility model is characterized in that the protector can effectively protect wind generating set blades and tip discharging of highCfrequency, small-energy can prevent ground charge accumulating on blades and can prevent or reduce direct stroke hitting on the blades directly.
Description
Technical field
The utility model belongs to anti-lightning strike equipment technical field, especially relates to a kind of direct lighting stroke protective device of wind generator set blade.
Background technique
Wind-power electricity generation more and more is subjected to the people of other countries' welcome and attention as a kind of renewable energy power generation mode of cleaning, and in recent years, China had become most active in the world wind-power market.
Because wind power generating set is to the requirement of wind environment, very easily be struck by lightning in the present position, and wherein the blade present position is the highest, is the easiest equipment that is hit by direct lightning strike in the wind-powered electricity generation unit therefore.Fan blade is the most expensive equipment in the wind-powered electricity generation unit, if be struck by lightning, the gained that should generate electricity, also will bear the great expense of the dismounting and the renewal of impaired parts during loss is repaired.
The existing fan blade direct lightning strike protection modes that install arrester at the blade tip position additional that adopt solve more, but arrester connects and dodge back lightning current can flow through main bearing and cabin when going into ground, the bearing ball meeting is owing to weld effect to seize up, and a large amount of electronic equipments also can damage owing to thunder and lightning flows into the living electromagnetic interference of real estate in the cabin simultaneously.
Summary of the invention
The purpose of this utility model is to improve the deficiency of prior art and a kind of effective protection wind generator set blade is provided, avoids the ground electric charge to accumulate, avoid or reduce the direct lighting stroke protective device of wind generator set blade that direct lightning strike directly hits the probability of fan blade on fan blade by the point discharge of high frequency, little energy.
The purpose of this utility model is to realize like this, a kind of direct lighting stroke protective device of wind generator set blade, be that the generator set blade is formed, be characterized in the generator set blade, being preset with aluminium flake, generator set blade-side edge is stretched out at the two ends that are connected to many discharge tip and many discharge tip on the aluminium flake, the two ends of many discharge tip are the pin dentation, and aluminium flake is by cable ground connection.
In order further to realize the purpose of this utility model, can be that the edge of generator set blade is provided with discharge tip.
In order further to realize the purpose of this utility model, the discharge tip that can be the generator set blade edge is dentation or needle-like.
Compared with the prior art the utility model has following distinguishing feature and good effect: the utility model adopts and be preset with aluminium flake in the generator set blade, generator set blade-side edge is stretched out at the two ends that are connected with many discharge tip and many discharge tip on the aluminium flake, the two ends of many discharge tip are the pin dentation, aluminium flake is by cable ground connection, adopt the minimum discharge tip of radius of curvature, therefore under stored charge coulomb amount situation seldom, electric field strength is just very high, the tip begins discharge, thereby guarantee that a large amount of electric charges that accumulate to blade tip are in time diffused, avoid the accumulation of electric charge effectively, stop the formation of thunderbolt ionization passage, avoid or reduce the possibility of thunderbolt formation; The edge of generator set blade is provided with discharge tip, discharge tip is dentation or needle-like, adopt discharge tip, can reduce of the accumulation of ground electric charge at blade surface, thereby avoid or reduced connecing of blade and flashed and resemble, can avoid blade to be hit so on the one hand, cause blade accident cracked and on fire, can avoid lightning current infringement to fan bearing and electronic equipment in going into the ground process on the other hand by direct lightning strike.
Description of drawings
Below in conjunction with accompanying drawing and enforcement the utility model is described in further detail.
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the partial structurtes schematic representation at the two ends of the many discharge tip of the utility model.
Fig. 4 is an another kind of structural representation of the present utility model.
Fig. 5 is another structural representation of the present utility model.
Embodiment
Example 1, a kind of direct lightning strike protecting device of wind power generator set blade, with reference to Fig. 1, Fig. 2, Fig. 3, be that axial direction is embedded with aluminium flake 4 in the generator set blade, be connected with the both sides of the edge that generator set blade 5 is stretched out at the two ends of many discharge tip 2 and many discharge tip 2 respectively on the aluminium flake 4, the two ends of many discharge tip 2 are the pin dentation, and aluminium flake 4 is by cable 3 ground connection, and this constitutes a kind of structure of the present utility model.
Example 2, a kind of direct lightning strike protecting device of wind power generator set blade is with reference to Fig. 2, Fig. 3, Fig. 4, be on embodiment 1 basis, the edge of generator set blade 5 is provided with discharge tip 1, and the discharge tip 1 at generator set blade 5 edges is a dentation, and other and example 1 are identical.
Example 3, a kind of direct lightning strike protecting device of wind power generator set blade is with reference to Fig. 2, Fig. 3, Fig. 5, be on embodiment 1 basis, the edge of generator set blade 5 is provided with discharge tip 1, and the discharge tip 1 at generator set blade 5 edges is a needle-like, and other and example 1 are identical.
When using the utility model, discharge tip 1, many discharge tip 2, cable 3, aluminium flake 4 has constituted the direct lighting stroke protective device of fan blade, wherein discharge tip 1, many discharge tip 2 constitute the electric charge bleeding device, when discharge tip 1, when many discharge tip 2 electric charges run up to a certain degree, ionized air is formed corona, discharge tip 1, many discharge tip 2 are carried out equipotential by cable 3 and fan blade flange plate and are connected, thereby effectively avoid the ground electric charge in the accumulation of fan blade surface, avoid or reduce the probability that direct lightning strike directly hits fan blade, the reliability that improves fan operation also prolongs the fan blade life-span.
Claims (3)
1. direct lightning strike protecting device of wind power generator set blade, be that generator set blade (5) is formed, it is characterized in that in generator set blade (5), being preset with aluminium flake (4), generator set blade (5) side margin is stretched out at the two ends that are connected to many discharge tip (2) and many discharge tip (2) on the aluminium flake (4), the two ends of many discharge tip (2) are the pin dentation, and aluminium flake (4) is by cable (3) ground connection.
2. a kind of direct lightning strike protecting device of wind power generator set blade according to claim 1 is characterized in that the edge of generator set blade (5) is provided with discharge tip (1).
3. a kind of direct lightning strike protecting device of wind power generator set blade according to claim 2, the discharge tip (1) that it is characterized in that generator set blade (5) edge is dentation or needle-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201456165U CN201666226U (en) | 2010-03-26 | 2010-03-26 | Direct stroke protector for wind generating set blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201456165U CN201666226U (en) | 2010-03-26 | 2010-03-26 | Direct stroke protector for wind generating set blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201666226U true CN201666226U (en) | 2010-12-08 |
Family
ID=43267185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201456165U Expired - Lifetime CN201666226U (en) | 2010-03-26 | 2010-03-26 | Direct stroke protector for wind generating set blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201666226U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832234A (en) * | 2010-03-26 | 2010-09-15 | 烟台玛斯特防雷设备有限公司 | Direct lightning strike protecting device of wind power generator set blade |
| CN103177831A (en) * | 2013-03-19 | 2013-06-26 | 国家电网公司 | Full-range discharge ring |
-
2010
- 2010-03-26 CN CN2010201456165U patent/CN201666226U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832234A (en) * | 2010-03-26 | 2010-09-15 | 烟台玛斯特防雷设备有限公司 | Direct lightning strike protecting device of wind power generator set blade |
| CN103177831A (en) * | 2013-03-19 | 2013-06-26 | 国家电网公司 | Full-range discharge ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101208 Effective date of abandoning: 20120620 |