CN206889186U - A kind of fan blade entirety lightning protection device - Google Patents
A kind of fan blade entirety lightning protection device Download PDFInfo
- Publication number
- CN206889186U CN206889186U CN201720817177.XU CN201720817177U CN206889186U CN 206889186 U CN206889186 U CN 206889186U CN 201720817177 U CN201720817177 U CN 201720817177U CN 206889186 U CN206889186 U CN 206889186U
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- China
- Prior art keywords
- upper shell
- groove
- fan blade
- lower house
- connects
- 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.)
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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 utility model discloses a kind of fan blade entirety lightning protection device, including 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), and the trailing edge of upper shell (1) is fixedly connected with the trailing edge of lower house (2);The leading edge of the upper shell (1) is provided with bending in upper shell (12), the leading edge of lower house (2) is provided with bending in lower house (22), and fan blade leading edge groove (3) is formed after bending (12) is docked with bending in lower house (22) in upper shell;The end set of the fan blade has end arrester (4), and end arrester (4) is connected with main conducting strip (5), and main conducting strip (5) is arranged in fan blade leading edge groove (3).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 entirety 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.So set the shortcomings that be,
Because arrester with wire needs to be connected, then need perforate that wire or arrester are worn on the surface of fan blade
Hole is connected, and the globality for so allowing for fan blade is destroyed, and the situation of stress concentration easily occurs in tapping, is reduced
The bulk strength of fan blade.
Utility model content
Goal of the invention of the present utility model is:For existing for prior art " because arrester with wire needs to be connected,
Then need that perforate enables wire or arrester is perforated connection on the surface of fan blade, so allow for fan blade
Globality destroyed, easily there is the situation of stress concentration in tapping, reduce the bulk strength of fan blade " ask
A kind of topic, there is provided fan blade entirety lightning protection device.
In order to solve the above technical problems, the utility model adopts the technical scheme that, a kind of fan blade entirety lightning protection dress
Put, including fan blade, fan blade include upper shell and lower house, the leading edge of upper shell and the leading edge of lower house, which are fixed, to be connected
Connect, the trailing edge of upper shell is fixedly connected with the trailing edge of lower house;The leading edge of the upper shell is provided with bending in upper shell, lower casing
The leading edge of body is provided with bending in lower house, and fan blade leading edge groove is formed after bending is docked with bending in lower house in upper shell;
The end set of the fan blade has end arrester, and end arrester is connected with main conducting strip, and main conducting strip is arranged at wind
In leaf leading edge groove, main conducting strip ground connection;Leading edge recess cover plate, leading edge groove cover plate are provided with the fan blade leading edge groove
The both sides of piece and the internal side wall fixed bonding of fan blade leading edge groove.
In the technical scheme of the application, fan blade leading edge groove is added on the surface of fan blade, main conducting strip is set
In in fan blade leading edge groove, and end arrester is grounded by main conducting strip, without the perforate on fan blade, maintained
The globality of fan blade, improve the bulk strength of fan blade.
Optimization, above-mentioned fan blade entirety lightning protection device, some upper shells are provided with the upper shell, and to connect lead recessed
Groove, some lower houses are provided with lower house and connect lead groove, upper shell, which connects lead groove and connects lead groove with lower house, to be docked
For the groove of annular;Upper shell connects lead groove, lower house connect lead groove respectively with fan blade leading edge groove UNICOM;Upper shell connects
It is provided with that upper shell surface connects leader, lower house connects and is provided with lower shell surface in lead groove and connects leader in lead groove, on
Surface of shell connects the end of leader, lower shell surface connects the end of leader and is connected respectively with main conducting strip.
Add that upper shell connects lead groove and lower house connects lead groove in the technical scheme of the application, and add
Surface of shell connects leader and lower shell surface connects leader, connects leader by upper shell surface and lower shell surface connects leader and connect and draws thunder
Electric current, so as to add the quantity for connecing flash-point on fan blade surface, wind can be uniformly arranged at as needed by connecing flash-point
The surface of machine blade, prevent because thunder and lightning hits other positions of the fan blade in addition to the arrester of end and caused by fan blade quilt
Lightning damage.
Optimization, above-mentioned fan blade entirety lightning protection device, the upper shell surface connect be fixedly connected with leader it is some
Upper shell connects sudden strain of a muscle post, and lower house, which connects, to be fixedly connected with some lower houses and connect sudden strain of a muscle post on lead groove.
Optimization, above-mentioned fan blade entirety lightning protection device, the upper shell connects that to be provided with upper shell in lead groove recessed
Tank cover plate, lower house connect and lower house groove cover plate are provided with lead groove, and the both sides of upper shell groove cover plate connect with upper shell
The inwall fixed bonding of lead groove, both sides and the lower house of lower house groove cover plate connect the inwall fixed bonding of lead groove;
The top that the upper shell connects sudden strain of a muscle post passes through upper shell groove cover plate, and the top that lower house connects sudden strain of a muscle post passes through lower house recess cover
Plate.
Because fan blade can occur to rotate at a high speed, in fan blade rotary course, upper shell surface connects leader with
Surface of shell connects leader and is easily caused to connect situation loosely by the influence of wind-force.In the technical scheme of the application, pass through
Upper shell groove cover plate, lower house groove cover plate covering upper shell surface connects leader and lower shell surface connects leader, serves guarantor
Shield upper shell surface connects leader and lower shell surface connects the effect that leader is not influenceed by rotating wind.
The drawbacks of overcoming prior art the utility model has the advantage of it, novelty reasonable in design.The application's
In technical scheme, fan blade leading edge groove is added on the surface of fan blade, main conducting strip is arranged in fan blade leading edge groove,
And end arrester is grounded by main conducting strip, without the perforate on fan blade, maintains the globality of fan blade,
Improve the bulk strength of fan blade.
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;
Fig. 3 is Fig. 1 B-B cross section structure diagrams;
Fig. 4 is mplifying structure schematic diagram at Fig. 2 C.
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 Figure 1-3, the utility model is a kind of fan blade entirety lightning protection device, including fan blade, blower fan leaf
Piece 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, and the trailing edge of upper shell 1 is with
The trailing edge of housing 2 is fixedly connected;The leading edge of the upper shell 1 is provided with bending 12 in upper shell, and the leading edge of lower house 2 is provided with
Bending 22 in lower house, fan blade leading edge groove 3 is formed after bending 12 is docked with bending in lower house 22 in upper shell;The blower fan
The end set of blade has end arrester 4, and end arrester 4 is connected with main conducting strip 5, before main conducting strip 5 is arranged at fan blade
In emargination groove 3, main conducting strip 5 is grounded;Leading edge recess cover plate 31, leading edge recess cover are provided with the fan blade leading edge groove 3
The both sides of plate 31 and the internal side wall fixed bonding of fan blade leading edge groove 3.
In the technical scheme of the application, fan blade leading edge groove 3 is added on the surface of fan blade, main conducting strip 5 is set
It is placed in fan blade leading edge groove 3, and end arrester 4 is grounded by main conducting strip 5, without the perforate on fan blade,
The globality of fan blade is maintained, improves the bulk strength of fan blade.
Some upper shells are provided with the upper shell 1 and connect lead groove 11, some lower houses are provided with lower house 2 and are connect
Lead groove 21, upper shell connect lead groove 11 and connect lead groove 21 to being connected in annular groove with lower house;Upper shell, which connects, to be drawn
Line groove 11, lower house connect lead groove 21 respectively with the UNICOM of fan blade leading edge groove 3;Upper shell connects in lead groove 11 and is provided with
Upper shell surface connects leader 13, lower house connects and lower shell surface is provided with lead groove 21 connects leader 23, and upper shell surface connects
The end that the end of leader 13, lower shell surface connect leader 23 is connected with main conducting strip 5 respectively.
Add that upper shell connects lead groove 11 and lower house connects lead groove 21 in the technical scheme of the application, and increase
Upper shell surface connects leader 13 and lower shell surface connects leader 23, connects leader 13 by upper shell surface and lower shell surface connects
Leader 23, which connects, draws lightning current, and so as to add the quantity for connecing flash-point on fan blade surface, connecing flash-point can be equal as needed
The even surface for being arranged at fan blade, prevent from making because thunder and lightning hits other positions of the fan blade in addition to end arrester 4
Into fan blade by lightning damage.
The upper shell surface, which connects to be fixedly connected with some upper shells on leader 13 and connect, dodges post 14, and lower house connects lead groove
Some lower houses are fixedly connected with 21 and are connect and dodge post 24.
The upper shell, which connects, is provided with upper shell groove cover plate 15 in lead groove 11, lower house connects in lead groove 21 and set
Lower house groove cover plate 25 is equipped with, the inwall fixation that the both sides of upper shell groove cover plate 15 and upper shell connect lead groove 11 is viscous
Connect, both sides and the lower house of lower house groove cover plate 25 connect the inwall fixed bonding of lead groove 21;The upper shell connects sudden strain of a muscle post
14 top passes through upper shell groove cover plate 15, and the top that lower house connects sudden strain of a muscle post 24 passes through lower house groove cover plate 25.
Because fan blade can occur to rotate at a high speed, in fan blade rotary course, upper shell surface connects the He of leader 13
Lower shell surface connects leader 23 and is easily caused to connect situation loosely by the influence of wind-force.In the technical scheme of the application,
By upper shell groove cover plate 15, the covering upper shell of lower house groove cover plate 25 surface connects leader 13 and lower shell surface connects leader
23, serve and protect that upper shell surface connects leader 13 and lower shell surface connects the effect that leader 23 is not influenceed by rotating wind.
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 (4)
1. a kind of fan blade entirety lightning protection device, including 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), and the trailing edge of the trailing edge and lower house (2) of upper shell (1) is fixed
Connection;It is characterized in that:The leading edge of the upper shell (1) is provided with bending in upper shell (12), and the leading edge of lower house (2) is set
There is a bending in lower house (22), fan blade leading edge groove is formed after bending (12) is docked with bending in lower house (22) in upper shell
(3);The end set of the fan blade has end arrester (4), and end arrester (4) is connected with main conducting strip (5), dominates
Electric piece (5) is arranged in fan blade leading edge groove (3), main conducting strip (5) ground connection;Before being provided with the fan blade leading edge groove (3)
Emargination groove lid plate (31), the both sides of leading edge recess cover plate (31) and the internal side wall fixed bonding of fan blade leading edge groove (3).
2. fan blade entirety lightning protection device according to claim 1, it is characterised in that:Set on the upper shell (1)
There are some upper shells to connect lead groove (11), some lower houses are provided with lower house (2) and connect lead groove (21), upper shell connects
Lead groove (11) connects lead groove (21) to being connected in annular groove with lower house;Upper shell connects lead groove (11), lower casing
Body connect lead groove (21) respectively with fan blade leading edge groove (3) UNICOM;Upper shell connects in lead groove (11) and is provided with upper shell
Surface connects leader (13), lower house connects and is provided with lower shell surface in lead groove (21) and connects leader (23), and upper shell surface connects
The end that the end of leader (13), lower shell surface connect leader (23) is connected with main conducting strip (5) respectively.
3. fan blade entirety lightning protection device according to claim 2, it is characterised in that:The upper shell surface connects leader
(13) some upper shells are fixedly connected with and are connect and dodge post (14), lower house connects and is fixedly connected with some lower casings on lead groove (21)
Body, which connects, dodges post (24).
4. fan blade entirety lightning protection device according to claim 3, it is characterised in that:The upper shell connects lead groove
(11) upper shell groove cover plate (15) is provided with, lower house connects in lead groove (21) and is provided with lower house groove cover plate
(25), the both sides of upper shell groove cover plate (15) connect the inwall fixed bonding of lead groove (11), lower house groove with upper shell
The both sides of cover plate (25) connect the inwall fixed bonding of lead groove (21) with lower house;The upper shell connects the top for dodging post (14)
Through upper shell groove cover plate (15), the top that lower house connects sudden strain of a muscle post (24) passes through lower house groove cover plate (25).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720817177.XU CN206889186U (en) | 2017-07-06 | 2017-07-06 | A kind of fan blade entirety lightning protection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720817177.XU CN206889186U (en) | 2017-07-06 | 2017-07-06 | A kind of fan blade entirety lightning protection device |
Publications (1)
Publication Number | Publication Date |
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CN206889186U true CN206889186U (en) | 2018-01-16 |
Family
ID=61297656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720817177.XU Expired - Fee Related CN206889186U (en) | 2017-07-06 | 2017-07-06 | A kind of fan blade entirety lightning protection device |
Country Status (1)
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CN (1) | CN206889186U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI760218B (en) * | 2020-05-22 | 2022-04-01 | 日商三菱重工業股份有限公司 | Windmill blade, windmill and windmill blade manufacturing method |
-
2017
- 2017-07-06 CN CN201720817177.XU patent/CN206889186U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI760218B (en) * | 2020-05-22 | 2022-04-01 | 日商三菱重工業股份有限公司 | Windmill blade, windmill and windmill blade manufacturing method |
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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 |
Granted publication date: 20180116 Termination date: 20180706 |
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CF01 | Termination of patent right due to non-payment of annual fee |