CN206889187U - A kind of fan blade lightning protection device - Google Patents
A kind of fan blade lightning protection device Download PDFInfo
- Publication number
- CN206889187U CN206889187U CN201720817179.9U CN201720817179U CN206889187U CN 206889187 U CN206889187 U CN 206889187U CN 201720817179 U CN201720817179 U CN 201720817179U CN 206889187 U CN206889187 U CN 206889187U
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- CN
- China
- Prior art keywords
- fan blade
- lightning
- lower house
- protection device
- upper shell
- 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
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- Wind Motors (AREA)
Abstract
The utility model discloses a kind of fan blade lightning protection device, including fan blade, lightning protection device is provided with fan blade, fan blade includes upper shell (1) and lower house (2), 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), it is characterised in that：Epiplastron (31) is provided with the inner surface of the upper shell (1), bottom web (32) is provided with the inner surface of lower house (2)；The lightning protection device includes main electric conductor, and main electric conductor is arranged between epiplastron (31) and bottom web (32)；The main electric conductor includes the main conducting strip (41) that two panels be arranged in parallel.The drawbacks of overcoming prior art the utility model has the advantage of it, novelty reasonable in design.
Description
Technical field
A kind of fan blade lightning protection device is the utility model is related to, belongs to wind power generation field.
Background technology
With the development of modern wind generation technology, the single-machine capacity of Wind turbines is increasing, tower height and wind wheel
Diameter is continuously increased, and adds the danger that wind wheel blade is struck by lightning, especially in southwest China thunderstorm prone areas.Mesh
Before, the lightning protection device of Large-scale Wind Turbines blade, it is the blade tip setting aluminum arrester seizure thunder and lightning in blade, and
By blade inner chamber set it is copper draw thunder wire by thunder and lightning lead wheel hub import therewith the earth.When the attachment point of thunder and lightning is not in leaf
During the blade tip of piece, the surface of wind wheel blade can be smashed by thunder and lightning.It is and copper in wind wheel blade to draw thunder wire and arrester one
As using riveting or welding mode connect, in the case of wind wheel blade rotating speed is continually changing, the company of wire and arrester
The place's of connecing stress is larger easily to be disconnected, and causing the thunder and lightning that arrester is connected to can not conduct.It is due to drawbacks described above so that this
Traditional Lightning Protection is poor with sudden strain of a muscle effect is connect, anti-lightning strike to protect the shortcomings that small.
Utility model content
Goal of the invention of the present utility model is：For " it is poor to connect sudden strain of a muscle effect, anti-lightning strike protection is small " existing for prior art
The problem of, there is provided a kind of fan blade lightning protection device.
In order to solve the above technical problems, the utility model adopts the technical scheme that, and a kind of fan blade lightning protection device, bag
Include fan blade, be provided with lightning protection device in fan blade, fan blade includes upper shell and lower house, the leading edge of upper shell with
The leading edge of lower house is fixedly connected, and the trailing edge of upper shell is fixedly connected with the trailing edge of lower house, on the inner surface of the upper shell
Epiplastron is provided with, bottom web is provided with the inner surface of lower house；The lightning protection device includes main electric conductor, and main electric conductor is set
It is placed between epiplastron and bottom web；The main electric conductor includes the main conducting strip that be arranged in parallel of two panels, on the end face of epiplastron,
Be respectively arranged with grafting groove on the end face of bottom web, the end grafting of main conducting strip with grafting groove；The main conducting strip
On be connected with some upper shell lightning currents capture bars and lower house lightning current capture bars, upper shell lightning current capture bar passes through upper casing
Body and end set are on upper casing external surface, and lower house lightning current capture bar is through lower house and end set is in lower casing
On external surface；Upper shell lightning current capture bar and lower house lightning current the capture bar is arranged at intervals.
In the technical scheme of the application, using main conducting strip as thunder and lightning guiding device, captured by upper shell lightning current
The top of bar and lower house lightning current capture bar, which connects, draws thunder and lightning and guides thunder and lightning to main conducting strip.The technical scheme of the application is set
Multiple upper shell lightning current capture bar and lower house lightning current capture bars have been put, have added the number for connecing flash-point on fan blade surface
Amount, the surface of fan blade can be uniformly arranged at as needed by connecing flash-point.Upper shell lightning current capture bar, lower house thunder and lightning
Stream capture bar and main conducting strip use is rigidly connected, and can be connected and main conducting strip by the mode such as welding or being integrally formed
On, it is connected firmly.
And the technical scheme of the application collects instead of a part of web and by main conducting strip clamping by main conducting strip
Between epiplastron and bottom web so that main conducting strip and web are connected firmly, and are not easy to come off when fan blade rotates.
Optimization, above-mentioned fan blade lightning protection device, elastic support member is provided between the epiplastron and bottom web.
Because main conducting strip is arranged between epiplastron and bottom web so that the bonding strength of epiplastron and bottom web drops
Low, fan blade entirety torsional property also decreases.In the technical scheme of the application, increase between epiplastron and bottom web
Elastic support member, by the support of elastic support member, the bonding strength of raising epiplastron and bottom web.And sent out in fan blade
During raw torsional deflection, elastic deformation occurs for elastic support member, and supports fan blade by the elastic restoring force of elastic support member,
Improve the torsional property of fan blade.
Optimization, above-mentioned fan blade lightning protection device, the elastic support member includes some elasticity branch being uniformly arranged
Strut, the both ends of elastic supporting bar are fixedly connected with epiplastron, bottom web respectively.
Optimization, above-mentioned fan blade lightning protection device, the both ends of the elastic supporting bar are each passed through epiplastron, bottom web
And it is adhesively fixed with epiplastron, bottom web.
Optimization, above-mentioned fan blade lightning protection device, the elastic supporting bar is that nylon system is integrally formed bar.
Optimization, above-mentioned fan blade lightning protection device, the stage casing of the elastic supporting bar is arc.
Fan blade twist deformation when, upper shell and lower house twist, twisting resistance by epiplastron, under
Web is transferred to elastic supporting bar, and elastic supporting bar occurs elastic deformation and absorbs amount of torsional energy, and passes through elastic supporting bar
Elastic-restoring force is supported to epiplastron, bottom web, improves the intensity of maple leaf.
Optimize, above-mentioned fan blade lightning protection device, connect on the fan blade outer surface covered with thunder and lightning and draw net, upper casing
Body lightning current capture bar, lower house lightning current capture bar and thunder and lightning, which connect, draws net connection.
Thunder and lightning, which connects, to be drawn net and is wrapped in fan blade surface, is added thunder and lightning and is connect and draw area, is connect by thunder and lightning and draw net and upper casing
Body lightning current capture bar, the capture bar connection of lower house lightning current, can prevent thunder and lightning from smashing fan blade surface.
The drawbacks of overcoming prior art the utility model has the advantage of it, novelty reasonable in design.The application's
In technical scheme, using main conducting strip as thunder and lightning guiding device, bar and lower house lightning current are captured by upper shell lightning current
The top of capture bar, which connects, draws thunder and lightning and guides thunder and lightning to main conducting strip.The technical scheme of the application is provided with multiple upper shell thunders
Electric current captures bar and lower house lightning current capture bar, adds the quantity for connecing flash-point on fan blade surface, connecing flash-point being capable of root
According to the uniform surface for being arranged at fan blade of needs.Upper shell lightning current capture bar, lower house lightning current capture bar are with dominating
Electric piece can be connected with main conducting strip, being connected firmly by the mode such as welding or being integrally formed using being rigidly connected.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
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 shown in figure 1, the utility model is a kind of fan blade lightning protection device, including fan blade, set in fan blade
Lightning protection device is equipped with, fan blade includes upper shell 1 and lower house 2, and the leading edge of upper shell 1 is fixed with the leading edge of lower house 2 to be connected
Connecing, the trailing edge of upper shell 1 is fixedly connected with the trailing edge of lower house 2, and epiplastron 31 is provided with the inner surface of the upper shell 1,
Bottom web 32 is provided with the inner surface of lower house 2；The lightning protection device includes main electric conductor, and main electric conductor is arranged at epiplastron
Between 31 and bottom web 32；The main electric conductor includes the main conducting strip 41 that two panels be arranged in parallel, and the end face of epiplastron 31 is upper and lower
Be respectively arranged with grafting groove 5 on the end face of web 32, the end grafting of main conducting strip 41 with grafting groove 5；It is described leading
Some upper shell lightning current capture bar 44 and lower house lightning current capture bars 43, the capture of upper shell lightning current are connected with electric piece 41
Bar 44 is through upper shell 1 and end set is on the outer surface of upper shell 1, and lower house lightning current capture bar 43 passes through lower house 2
And end set is on the outer surface of lower house 2；Upper shell lightning current capture bar 44 and lower house lightning current the capture bar 43
It is arranged at intervals.
In the technical scheme of the application, using main conducting strip 41 as thunder and lightning guiding device, captureed by upper shell lightning current
The top for obtaining bar 44 and lower house lightning current capture bar 43 connects and draws thunder and lightning and guide thunder and lightning to main conducting strip 41.The skill of the application
Art scheme is provided with multiple upper shell lightning currents capture bar 44 and lower house lightning current capture bar 43, adds fan blade surface
The quantity for connecing flash-point, the surface of fan blade can be uniformly arranged at as needed by connecing flash-point.Upper shell lightning current is captured
Bar 44, lower house lightning current capture bar 43 are used with main conducting strip 41 and are rigidly connected, can be by welding or being integrally formed
Mode is connected with main conducting strip 41, being connected firmly.
And the technical scheme of the application collects instead of a part of web and by main conducting strip 41 by main conducting strip 41
It is connected between epiplastron 31 and bottom web 32 so that main conducting strip 41 is connected firmly with web, is not easy when fan blade rotates
Come off.
Optimization, above-mentioned fan blade lightning protection device, resilient support is provided between the epiplastron 31 and bottom web 32
Part.
Because main conducting strip 41 is arranged between epiplastron 31 and bottom web 32 so that the company of epiplastron 31 and bottom web 32
Intensity decreases are connect, fan blade entirety torsional property also decreases.In the technical scheme of the application, in epiplastron 31 and lower abdomen
Increase elastic support member between plate 32, pass through the support of elastic support member, the connection of raising epiplastron 31 and bottom web 32
Intensity.And when fan blade twists deformation, elastic deformation, and the bullet for passing through elastic support member occur for elastic support member
Property restoring force support fan blade, improve the torsional property of fan blade.
Optimization, above-mentioned fan blade lightning protection device, the elastic support member includes some elasticity branch being uniformly arranged
Strut 6, the both ends of elastic supporting bar 6 are fixedly connected with epiplastron 31, bottom web 32 respectively.
Optimization, above-mentioned fan blade lightning protection device, the both ends of the elastic supporting bar 6 be each passed through epiplastron 31, under
Web 32 is simultaneously adhesively fixed with epiplastron 31, bottom web.
Optimization, above-mentioned fan blade lightning protection device, the elastic supporting bar 6 is that nylon system is integrally formed bar.
Optimization, above-mentioned fan blade lightning protection device, the stage casing of the elastic supporting bar 6 is arc.
When fan blade twists deformation, upper shell 1 and lower house 2 twist, and twisting resistance passes through epiplastron
31st, bottom web 32 is transferred to elastic supporting bar 6, and elastic supporting bar 6 occurs elastic deformation and absorbs amount of torsional energy, and passes through elasticity
The elastic-restoring force of support bar 6 is supported to epiplastron 31, bottom web 32, improves the intensity of maple leaf.
Optimize, above-mentioned fan blade lightning protection device, connect on the fan blade outer surface covered with thunder and lightning and draw net 7, on
Housing lightning current capture bar 44, lower house lightning current capture bar 43 connect with thunder and lightning and draw net 7 and be connected.
Thunder and lightning, which connects, to be drawn net 7 and is wrapped in fan blade surface, is added thunder and lightning and is connect and draws area, connect by thunder and lightning draw net 7 with it is upper
Housing lightning current capture bar 44, lower house lightning current capture bar 43 connect, and can prevent thunder and lightning from smashing fan blade surface.
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 (7)
1. a kind of fan blade lightning protection device, including fan blade, lightning protection device is provided with fan blade, fan blade includes
Upper shell (1) and lower house (2), the leading edge of upper shell (1) are fixedly connected with the leading edge of lower house (2), the trailing edge of upper shell (1)
It is fixedly connected with the trailing edge of lower house (2), it is characterised in that：Epiplastron (31) is provided with the inner surface of the upper shell (1),
Bottom web (32) is provided with the inner surface of lower house (2)；The lightning protection device includes main electric conductor, and main electric conductor is arranged at
Between web (31) and bottom web (32)；The main electric conductor includes the main conducting strip (41) that two panels be arranged in parallel, epiplastron
(31) be respectively arranged with grafting groove (5) on the end face of the upper and lower web in end face (32), the end grafting of main conducting strip (41) with
In grafting groove (5)；Some upper shell lightning current capture bars (44) and lower house thunder and lightning are connected with the main conducting strip (41)
Stream capture bar (43), upper shell lightning current capture bar (44) is through upper shell (1) and end set is in upper shell (1) outer surface
On, lower house lightning current capture bar (43) is through lower house (2) and end set is on lower house (2) outer surface；On described
Housing lightning current capture bar (44) and lower house lightning current capture bar (43) are arranged at intervals.
2. fan blade lightning protection device according to claim 1, it is characterised in that：The epiplastron (31) and bottom web
(32) elastic support member is provided between.
3. fan blade lightning protection device according to claim 2, it is characterised in that：The elastic support member includes some
The elastic supporting bar (6) being uniformly arranged, the both ends of elastic supporting bar (6) are fixed with epiplastron (31), bottom web (32) respectively to be connected
Connect.
4. fan blade lightning protection device according to claim 3, it is characterised in that：The both ends of the elastic supporting bar (6)
It is each passed through epiplastron (31), bottom web (32) and is adhesively fixed with epiplastron (31), bottom web.
5. fan blade lightning protection device according to claim 4, it is characterised in that：The elastic supporting bar (6) is nylon
System is integrally formed bar.
6. fan blade lightning protection device according to claim 4, it is characterised in that：The stage casing of the elastic supporting bar (6)
For arc.
7. fan blade lightning protection device according to claim 1, it is characterised in that：Covered on the fan blade outer surface
There is thunder and lightning to connect and draw net (7), upper shell lightning current capture bar (44), lower house lightning current capture bar (43) connect with thunder and lightning draws net (7)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817179.9U CN206889187U (en) | 2017-07-06 | 2017-07-06 | A kind of fan blade lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817179.9U CN206889187U (en) | 2017-07-06 | 2017-07-06 | A kind of fan blade lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889187U true CN206889187U (en) | 2018-01-16 |
Family
ID=61295977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720817179.9U Expired - Fee Related CN206889187U (en) | 2017-07-06 | 2017-07-06 | A kind of fan blade lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889187U (en) |
-
2017
- 2017-07-06 CN CN201720817179.9U patent/CN206889187U/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 |