CN206889191U - A kind of lightning protection fan blade component - Google Patents
A kind of lightning protection fan blade component Download PDFInfo
- Publication number
- CN206889191U CN206889191U CN201720815419.1U CN201720815419U CN206889191U CN 206889191 U CN206889191 U CN 206889191U CN 201720815419 U CN201720815419 U CN 201720815419U CN 206889191 U CN206889191 U CN 206889191U
- Authority
- CN
- China
- Prior art keywords
- fan blade
- upper shell
- lower house
- conductive rings
- blade
- 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
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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
-
- 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
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Wind Motors (AREA)
Abstract
The utility model discloses a kind of lightning protection fan blade component, including fan blade, the top of fan blade is provided with blade arrester;The fan blade includes upper shell and lower house, the leading edge of upper shell is fixedly connected with the leading edge of lower house, the trailing edge of upper shell is fixedly connected with the trailing edge of lower house, and two webs are provided between upper shell and lower house, and the both ends of web are fixedly connected with upper shell, lower house respectively;Be provided with the length bearing of trend of the fan blade interior edge fan blade it is some press conductive rings, press conductive rings between spaced and parallel setting;Press for described adjacent two and be provided with conducting rod between conductive rings, the both ends of conducting rod are pressed conductive rings to fix and welded with adjacent two respectively;The pressure conductive rings are fixedly connected with web, and blade arrester electrically connects with pressure conductive rings.The drawbacks of overcoming prior art the utility model has the advantage of it, novelty reasonable in design.
Description
Technical field
A kind of lightning protection fan blade component is the utility model is related to, belongs to wind power generation field.
Background technology
With the getting worse of energy problem, the energy and environmental problem have been faced main as Global Sustainable Development
Problem, the wide model of international community is increasingly caused to be paid close attention to.Greatly developing new energy becomes the fundamental way to solve the above problems, wind
It is important component in New Energy Industry that power, which generates electricity, and perhaps coming years Wind Power Generation Industry is by as the pillar industry of the country,
Have the advantages that take up an area less, pollution-free, the construction period is short, installation scaleable, by the extensive concern of countries in the world, whole
Powerful growth momentum is showed on world electricity market.Existing carbon fiber matter fan blade is typically set on the top of fan blade
One connects flash-point and connects flash-point and passes through wired earth.The amplitude of lightning current is larger during in the event of thunderbolt, and thunderbolt electric current passes through
Being internally formed the electric pulse that voltage levels differ in fan blade when wire conducts causes blade to damage.
Utility model content
Goal of the invention of the present utility model is:For " carbon fiber matter fan blade is typically in wind existing for prior art
The top setting one of leaf, which connects flash-point and connects flash-point, passes through wired earth.The amplitude of lightning current is larger during in the event of thunderbolt,
Being internally formed the electric pulse that voltage levels differ in fan blade when thunderbolt electric current is conducted by wire causes blade to damage " the problem of,
A kind of lightning protection fan blade component is provided.
In order to solve the above technical problems, the utility model adopts the technical scheme that, and a kind of lightning protection fan blade component, bag
Fan blade is included, the top of fan blade is provided with blade arrester;The fan blade includes upper shell and lower house, upper casing
The leading edge of body is fixedly connected with the leading edge of lower house, and the trailing edge of upper shell is fixedly connected with the trailing edge of lower house, and upper shell is with
Two webs are provided between housing, the both ends of web are fixedly connected with upper shell, lower house respectively;The fan blade interior edge
Be provided with the length bearing of trend of fan blade it is some press conductive rings, press conductive rings between spaced and parallel setting;It is described
Adjacent two are provided with conducting rod between pressing conductive rings, and the both ends of conducting rod are consolidated with adjacent two pressure conductive rings respectively
Fixed welding;The pressure conductive rings are fixedly connected with web, and blade arrester electrically connects with pressure conductive rings;The upper shell
Leading edge is provided with bending in upper shell, and the leading edge of lower house is provided with bending in lower house, in upper shell bending with lower house
Fan blade leading edge groove is formed after bending docking, is provided with front end conducting strip in fan blade leading edge groove, leading edge conducting strip connects with blade
Device is dodged to be fixedly connected.
In the technical scheme of the application, add and press conductive rings, lightning current is connect by blade arrester to be drawn and by equal
Pressure conductive rings are conducted inside fan blade.Pressure conductive rings have not only acted as the effects of conductive leads, and by high-pressure uniform
It is distributed in fan blade, ensures do not have potential difference between each position in fan blade, so as to reach the effect pressed, prevent wind
Interlobar part forms the electric pulse that voltage levels differ and causes blade to damage.
The leading edge position of fan blade is wind surface, and in actual use, not only the blade tip of fan blade can be struck by lightning,
The leading edge position windward side of fan blade also has the risk of thunderbolt.In the technical scheme of the application, in the leading edge of fan blade
Front end conducting strip is added on windward side, is connect by front end conducting strip auxiliary blade arrester and draws thunder and lightning.
Optimize, above-mentioned lightning protection fan blade component, it is fixed in the relative side wall of two webs to be fitted with insulation board, upper casing
Part on the inner surface of body between two webs, the part on the inner surface of lower house between two webs are fitted with insulation
Plate, press conductive rings and the gluing fixation of insulation board.
Insulation board surround one insulation cavity will pressure conductive rings be trapped among wherein, prevent press conductive rings thunder and lightning spread
It is directed at the damage that fan blade causes fan blade.
Optimization, above-mentioned lightning protection fan blade component, the upper shell includes upper casing volume surrounding and upper shell internal layer, upper casing
Volume surrounding is fitted on upper shell inner layer outer surface, and lower house includes lower casing volume surrounding and lower house internal layer, lower casing volume surrounding patch
Together on lower house inner layer outer surface.
Optimization, above-mentioned lightning protection fan blade component, the upper shell internal layer and lower house internal layer are carbon fiber matter one
Molding part, upper casing volume surrounding and lower casing volume surrounding are that glass fibre matter is integrally formed part.
Carbon fiber internal layer serves the effect of support because carbon fiber is light and intensity is high.Glass fibre matter outer layer conduct
Insulator serves preferable lightning protection effect.
Optimization, above-mentioned lightning protection fan blade component, between the upper casing volume surrounding and upper shell internal layer, lower casing volume surrounding
Metallic conduction net is provided between lower house internal layer, metallic conduction net electrically connects with blade arrester.
After fibreglass outer layers are punctured by thunder and lightning, metallic conduction net can conduct lightning current to arrester, prevent thunder
Electricity enters further into internal layer, protects internal layer not damaged by thunder and lightning.
Optimization, above-mentioned lightning protection fan blade component, the blade arrester is a metallic rod, the top of blade arrester
Top end wall and top end face through fan blade is held to be arranged on the surface of fan blade, the tail end of blade arrester is by leading
Line is welded with pressing conductive rings to fix, and stage casing and the metallic conduction net of blade arrester are welded and fixed.
The drawbacks of overcoming prior art the utility model has the advantage of it, novelty reasonable in design.The application's
In technical scheme, add and press conductive rings, lightning current is connect by blade arrester to be drawn and by pressing conductive rings in blower fan leaf
Conducted inside piece.Pressure conductive rings have not only acted as the effect of conductive leads, and high-pressure uniform is distributed in fan blade,
Ensure there is no potential difference between each position in fan blade, so as to reach the effect pressed, prevent fan blade to be internally formed voltage height
The low electric pulse to differ causes blade to damage.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is Fig. 1 A-A cross section structure diagrams.
Embodiment
The technical characterstic of the present invention is expanded on further with specific embodiment below in conjunction with the accompanying drawings.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
As illustrated, the utility model is a kind of lightning protection fan blade component, including fan blade, the top of fan blade
It is provided with blade arrester 4;The fan blade includes upper shell 1 and lower house 2, the leading edge of upper shell 1 with before lower house 2
Edge is fixedly connected, and the trailing edge of upper shell 1 is fixedly connected with the trailing edge of lower house 2, and two are provided between upper shell 1 and lower house 2
Individual web 3, the both ends of web 3 are fixedly connected with upper shell 1, lower house 2 respectively;The length of the fan blade interior edge fan blade
Some pressure conductive rings 5 are provided with degree bearing of trend, press spaced and parallel setting between conductive rings 5;Described adjacent two
Conducting rod 6 is provided between pressure conductive rings 5, the both ends of conducting rod 6 are pressed conductive rings 5 to fix and welded with adjacent two respectively
Connect;The pressure conductive rings 5 are fixedly connected with web 3, and blade arrester 4 electrically connects with pressure conductive rings 5;The upper shell 1
Leading edge be provided with bending 13 in upper shell, the leading edge of lower house 2 is provided with bending 23 in lower house, in upper shell bending 13 with
Fan blade leading edge groove 8 is formed after bending 23 is docked in lower house, front end conducting strip 81, leading edge are provided with fan blade leading edge groove 8
Conducting strip 81 is fixedly connected with blade arrester 4.
In the technical scheme of the application, pressure conductive rings 5 are added, lightning current is connect by blade arrester 4 to be drawn and pass through
Pressure conductive rings 5 are conducted inside fan blade.Pressure conductive rings 5 have not only acted as the effects of conductive leads, and by high pressure
It is evenly distributed in fan blade, ensures do not have potential difference between each position in fan blade, so as to reach the effect pressed, prevents
Only fan blade is internally formed the electric pulse that voltage levels differ and causes blade to damage.
The leading edge position of fan blade is wind surface, and in actual use, not only the blade tip of fan blade can be struck by lightning,
The leading edge position windward side of fan blade also has the risk of thunderbolt.In the technical scheme of the application, in the leading edge of fan blade
Front end conducting strip 81 is added on windward side, is connect by the auxiliary blade arrester 4 of front end conducting strip 81 and draws thunder and lightning.
Fixed in the relative side wall of two webs 3 and be fitted with insulation board 7, on the inner surface of upper shell 1 between two webs 3
Part, lower house 2 inner surface on part between two webs 3 be fitted with insulation board 7, press conductive rings 5 and insulation board 7
Gluing fixation.
Pressure conductive rings 5 are trapped among the thunder and lightning for wherein, preventing pressing conductive rings 5 by the cavity that insulation board 7 surrounds an insulation
Spread and be directed at the damage that fan blade causes fan blade.
The upper shell 1 includes upper casing volume surrounding 11 and upper shell internal layer 12, and upper casing volume surrounding 11 is fitted in upper shell
On 12 outer surface of layer, lower house 2 includes lower casing volume surrounding 21 and lower house internal layer 22, and lower casing volume surrounding 21 is fitted in lower house
On 22 outer surface of layer.
The upper shell internal layer 12 and lower house internal layer 22 are that carbon fiber matter is integrally formed part, upper casing volume surrounding 11 and lower casing
Volume surrounding 21 is that glass fibre matter is integrally formed part.
Carbon fiber internal layer serves the effect of support because carbon fiber is light and intensity is high.Glass fibre matter outer layer conduct
Insulator serves preferable lightning protection effect.
It is all provided between the upper casing volume surrounding 11 and upper shell internal layer 12, between lower casing volume surrounding 21 and lower house internal layer 22
Metallic conduction net 9 is equipped with, metallic conduction net 9 electrically connects with blade arrester 4.
After fibreglass outer layers are punctured by thunder and lightning, metallic conduction net 9 can conduct lightning current to arrester, prevent thunder
Electricity enters further into internal layer, protects internal layer not damaged by thunder and lightning.
The blade arrester 4 is a metallic rod, the top of blade arrester 4 through fan blade top end wall and
Top end face is arranged on the surface of fan blade, and the tail end of blade arrester 4 is welded by wire with pressing conductive rings 5 to fix,
The stage casing of blade arrester 4 is welded and fixed with metallic conduction net 9.
Certainly, it is to limitation of the present utility model that described above, which is not, and the utility model is also not limited to the example above, this
The those of ordinary skill of technical field, in essential scope of the present utility model, the variations, modifications, additions or substitutions made, all
The scope of protection of the utility model should be belonged to.
Claims (6)
1. a kind of lightning protection fan blade component, including fan blade, the top of fan blade is provided with blade arrester (4);Institute
Stating fan blade includes upper shell (1) and lower house (2), and the leading edge of upper shell (1) is fixedly connected with the leading edge of lower house (2),
The trailing edge of upper shell (1) is fixedly connected with the trailing edge of lower house (2), and two abdomens are provided between upper shell (1) and lower house (2)
Plate (3), the both ends of web (3) are fixedly connected with upper shell (1), lower house (2) respectively;It is characterized in that:The fan blade
Some pressure conductive rings (5) are provided with the length bearing of trend of interior edge fan blade, it is spaced and parallel between pressure conductive rings (5)
Set;Press for described adjacent two and conducting rod (6) be provided between conductive rings (5), the both ends of conducting rod (6) respectively with it is adjacent
Two press the fixed welding of conductive rings (5);It is described to press conductive rings (5) to be fixedly connected with web (3), blade arrester (4)
With pressing conductive rings (5) to electrically connect;The leading edge of the upper shell (1) is provided with bending in upper shell (13), before lower house (2)
Edge is provided with bending in lower house (23), and fan blade leading edge is formed after bending (13) is docked with bending in lower house (23) in upper shell
Groove (8), fan blade leading edge groove (8) is interior to be provided with front end conducting strip (81), and leading edge conducting strip (81) is solid with blade arrester (4)
Fixed connection.
2. lightning protection fan blade component according to claim 1, it is characterised in that:In the relative side wall of two webs (3)
Fix and be fitted with insulation board (7), part, the interior table of lower house (2) on the inner surface of upper shell (1) between two webs (3)
Part on face between two webs (3) is fitted with insulation board (7), presses conductive rings (5) and insulation board (7) gluing fixation.
3. lightning protection fan blade component according to claim 1, it is characterised in that:The upper shell (1) includes upper shell
Outer layer (11) and upper shell internal layer (12), upper casing volume surrounding (11) are fitted on upper shell internal layer (12) outer surface, lower house (2)
Including lower casing volume surrounding (21) and lower house internal layer (22), lower casing volume surrounding (21) fits in lower house internal layer (22) outer surface
On.
4. lightning protection fan blade component according to claim 3, it is characterised in that:The upper shell internal layer (12) and lower casing
Internal layer (22) is that carbon fiber matter is integrally formed part, and upper casing volume surrounding (11) and lower casing volume surrounding (21) are glass fibre matter one
Molding part.
5. lightning protection fan blade component according to claim 4, it is characterised in that:The upper casing volume surrounding (11) and upper casing
Metallic conduction net (9) is provided between internal layer (12), between lower casing volume surrounding (21) and lower house internal layer (22), metal is led
Power network (9) electrically connects with blade arrester (4).
6. lightning protection fan blade component according to claim 5, it is characterised in that:The blade arrester (4) is one
Metallic rod, the top of blade arrester (4) are arranged at the surface of fan blade through the top end wall and top end face of fan blade
On, the tail end of blade arrester (4) is welded by wire with pressing conductive rings (5) to fix, stage casing and the gold of blade arrester (4)
Category conductive mesh (9) is welded and fixed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720815419.1U CN206889191U (en) | 2017-07-06 | 2017-07-06 | A kind of lightning protection fan blade component |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720815419.1U CN206889191U (en) | 2017-07-06 | 2017-07-06 | A kind of lightning protection fan blade component |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206889191U true CN206889191U (en) | 2018-01-16 |
Family
ID=61298988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720815419.1U Expired - Fee Related CN206889191U (en) | 2017-07-06 | 2017-07-06 | A kind of lightning protection fan blade component |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206889191U (en) |
-
2017
- 2017-07-06 CN CN201720815419.1U patent/CN206889191U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20180706 |