CN206290384U - Blade connects sudden strain of a muscle system and wind generator set blade - Google Patents
Blade connects sudden strain of a muscle system and wind generator set blade Download PDFInfo
- Publication number
- CN206290384U CN206290384U CN201621347077.7U CN201621347077U CN206290384U CN 206290384 U CN206290384 U CN 206290384U CN 201621347077 U CN201621347077 U CN 201621347077U CN 206290384 U CN206290384 U CN 206290384U
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- China
- Prior art keywords
- arrester
- blade
- sudden strain
- muscle system
- 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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Links
- 210000003205 muscle Anatomy 0.000 title claims abstract description 58
- 230000004888 barrier function Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Wind Motors (AREA)
Abstract
The utility model provides a kind of blade and connects sudden strain of a muscle system and wind generator set blade.The blade connects sudden strain of a muscle system includes at least one pair of arrester, one of arrester is arranged on the suction surface housing of blade, another arrester is arranged on the pressure face housing of blade, along the length direction of blade, there is the first distance between the arrester on arrester and pressure face housing on suction surface housing, arrester for multipair, and along the length direction interval setting successively of blade.The blade connect sudden strain of a muscle system connect sudden strain of a muscle effect it is good.
Description
Technical field
The utility model is related to clean energy resource equipment, more particularly to a kind of blade to connect sudden strain of a muscle system and wind power generating set leaf
Piece.
Background technology
The blade of wind power generating set is unit highest part, and with the continuous increase of Wind turbines, blade
Height also more and more higher, the probability for connecing sudden strain of a muscle also increases therewith.Particularly land installation amount increasingly saturation, Wind turbines move towards sea
The trend in ocean also gradually strengthens.The thunderstorm and salt mist environment of ocean propose higher connecing to the lightning protection device of blade and dodge and salt tolerant
Mist requirement.Major part lightning-protection system is all the material using copper or aluminum at present, does not possess the ability of salt spray resistance, over time
Receptor surface is corroded, and to firmly installing property and is connect sudden strain of a muscle ability and can all be had considerable influence.Other existing lightning-protection system is difficult to do
To complete insulation, therefore can be to internal shelf depreciation, the structure of damaged blade when connecing and dodging to thunder and lightning.
Aluminium blade tip is installed using blade tip more than existing blade lightning Protection Design, blade uses several lightning protection cloth to copper arrester
Put, inside is linked together using the structure type being bonded, upper-lower casing arrester, often have cracking phenomena in blade operation.
This structure needs further checking to lightning protection properties and security performance, while there are problems that not corrosion resistant.And due to being
Directly it is bonded, it is impossible to effectively to built-in electrical insulation, meeting is to internal discharge, damaged structure after connecing sudden strain of a muscle.
Utility model content
Embodiment of the present utility model provides a kind of blade and connects sudden strain of a muscle system and wind generator set blade, is connect with solving blade
Sudden strain of a muscle system can not effectively lightning protection, it is impossible to ensure the problem of blade security.
To reach above-mentioned purpose, embodiment of the present utility model provides a kind of blade and connects sudden strain of a muscle system, and it includes at least one pair of
Arrester, one of arrester is arranged on the suction surface housing of blade, and another arrester is arranged on the pressure face of blade
On housing, along the length direction of blade, have the between the arrester on arrester and pressure face housing on suction surface housing
One distance, arrester for multipair, and along the length direction interval setting successively of blade.
Further, the span of the first distance is 50mm to 300mm.
Further, arrester includes arrester main body, and arrester main body is the arrester main body or molybdenum of stainless steel material
The arrester main body of material.
Further, arrester main body is cylinder body, and installation thread segment is provided with arrester main body, and arrester is also wrapped
Insulating barrier is included, insulating barrier is set on the part except installation thread segment of arrester main body.
Further, the sudden strain of a muscle face that connects of arrester main body is provided with mounting hole.
Further, connecing sudden strain of a muscle system also includes arrester chassis, and arrester chassis is fixedly installed in blade, arrester with
Arrester chassis is threadedly coupled.
Further, arrester chassis includes chassis body, anticorrosive coat and insulating barrier, and anticorrosive coat is coated on chassis body
Outward, insulating barrier is coated on outside anticorrosive coat.
Further, connecing sudden strain of a muscle system also includes downlead, integument and downlead support, and downlead support is fixedly installed on
On blade, downlead is arranged on downlead support by integument.
According to another aspect of the present utility model, a kind of wind generator set blade includes suction surface housing, pressure face-piece
Body and sudden strain of a muscle system is connect, it is above-mentioned to connect sudden strain of a muscle system to connect sudden strain of a muscle system.
The blade of embodiment of the present utility model connects sudden strain of a muscle system and is misplaced in the longitudinal direction by by a pair of arresters, makes suction
Arrester on power face-piece body has the first distance in the longitudinal direction with the arrester on corresponding pressure face housing, in blade
Length direction multipair arrester is set, and along the length direction interval setting successively of blade, raising connects sudden strain of a muscle effect.
Brief description of the drawings
Fig. 1 be embodiment of the present utility model blade connect sudden strain of a muscle system arrester main structure diagram；
Fig. 2 be embodiment of the present utility model blade connect sudden strain of a muscle system lightning receptor base main structure diagram；
Fig. 3 is that the blade of embodiment of the present utility model connects the structural representation of sudden strain of a muscle system；
Fig. 4 be Fig. 3 in A-A to cross section structure diagram；
Fig. 5 is the structural representation of the wind generator set blade of embodiment of the present utility model；
Fig. 6 is the partial enlarged drawing at B in Fig. 5.
Description of reference numerals：
10th, arrester；11st, cylinder body；The 111st, thread segment is installed；112nd, mounting hole；20th, arrester chassis；21st, sudden strain of a muscle is connect
Device mounting hole；22nd, cable mounting hole；30th, downlead；40th, downlead support；50th, integument；61st, tack coat；62nd, spiral shell is connected
Bolt；71st, line nose；91st, suction surface housing.
Specific embodiment
Connecing sudden strain of a muscle system and wind generator set blade to the blade of the utility model embodiment below in conjunction with the accompanying drawings is carried out in detail
Thin description.
According to embodiment of the present utility model, blade connects sudden strain of a muscle system includes at least one pair of arrester 10, and one of them connects sudden strain of a muscle
Device 10 is arranged on the suction surface housing 91 of blade, and another arrester 10 is arranged on the pressure face housing of blade, along blade
Length direction, between the arrester 10 on arrester 10 and pressure face housing on suction surface housing 91 have the first distance,
In the length direction of blade, multipair arrester is set, and along the length direction interval setting successively of blade.By by blade suction
The arrester 10 on arrester 10 and pressure face housing on face-piece body 91 is shifted to install in length direction, it is ensured that is had and is preferably connect
Effect is dodged, raising connects sudden strain of a muscle probability, so that reliability when ensureing blade working, it is to avoid thunder and lightning damaged blade structure.So cause
Connect sudden strain of a muscle system ensures to connect sudden strain of a muscle effect in the case where the primary load bearing area for circumventing blade is set.10 points of arrester in a pair of arresters
Suction surface housing 91 and pressure face housing not in blade are installed, and are connected with main downlead after each self installation guide line
Connect.Realize receiving the energy guiding after electric shock.
Preferably, the span of the first distance is 50mm to 300mm.Can either ensure to connect sudden strain of a muscle effect in this span
Really, can compare again and be easily installed.First distance refers to, distance of the arrester 10 between the projection of length direction.
As shown in Figure 5 and Figure 6, specifically the arrangement of arrester should adapt to the thunderstorm situation of local wind power generating set,
General should follow design specification, the trailing edge pressure face and suction surface of blade be arranged to arrester.In the longitudinal direction,
Multipair arrester can be uniformly distributed, it is also possible to follow certain sequence relation and be distributed (such as according to incremental manner, equal difference mode),
Wherein the distance between two neighboring arrester 10 of pressure face or suction surface is L1, and L2 ... Ln, n are the numbers of arrester.Root
It is distributed according to the minefield where the length and blade of blade and is determined, generally 3-5 pairs, is distributed on trailing edge, it is also possible to according to tool
The lightning strike probability statistics of body, the arrester of respective numbers is installed in different Probability Regions.
Preferably, in order to improve antiseptic property, arrester 10 includes arrester main body, and arrester main body is stainless steel material
Arrester main body or molybdenum materials matter arrester main body.The stainless steel materials such as general use S304, S316, can effectively keep away
Exempt from the problem of corrosion.Meanwhile, stainless steel material cost is relatively low, can reduce production cost.
In the present embodiment, as shown in figure 1, arrester main body is cylinder body 11, installation is provided with arrester main body
Thread segment 111, for being connected with arrester chassis 20.
Preferably, arrester 10 also includes insulating barrier, insulating barrier be set in arrester main body except installing thread segment 111
On part.By the non-insulating barrier for connecing the installation insulation of sudden strain of a muscle face in arrester 10, (insulating barrier can be by being arranged dead ring reality
It is existing), to avoid arrester 10 after connecing sudden strain of a muscle from discharging periphery, it is ensured that blade is not damaged.For convenience of installing, arrester 10 is using straight
Cylinder cylindrical structure.The diameter of cylinder can use different sizes according to lightning protection requirement.The sudden strain of a muscle face that connects of arrester 10 can be with
Bulged blade, it is also possible to concordant with blade surface.
Preferably, the sudden strain of a muscle face that connects of arrester main body is provided with mounting hole 112.In order to ensure that arrester 10 can be arranged on leaf
It is connected on piece and with arrester chassis 20, in prefabricated 2 mounting holes 112 in the outside of arrester, for installing during arrester 10
Screw arrester 10.The size of mounting hole 112, number and depth can be selected according to mounting torque.Mounting hole 112 also may be used
Inner polygon hole is thought, to facilitate handling.
The total length of arrester 10 can be adjusted according to the thickness of the blade shell of position.
As shown in Figures 2 and 3, arrester chassis 20 is fixedly installed in blade, arrester 10 and the spiral shell of arrester chassis 20
Line is connected.Specifically, arrester 10 is connected by installing thread segment 111 with the screw thread of arrester mounting hole 21 on arrester chassis 20
Connect.The cable mounting hole 22 for being connected with downlead 30 is additionally provided with arrester chassis 20.
Arrester chassis 20 can such as be made using copper or the material of aluminum or stainless steel using copper or aluminum material
Chassis body, then needed to set anticorrosive coat and insulating barrier outside chassis body, and anticorrosive coat is coated on outside chassis body, insulating barrier bag
Overlay on outside anticorrosive coat.Anticorrosive coat can be formed by carrying out preservative treatment using tin plating or zincincation on chassis body surface
Anticorrosive coat.Insulating barrier outside anticorrosive coat can use thermal shrinkable sleeve or ambroin, to avoid internally electric discharge.
The radius on arrester chassis 20 can be selected as needed, such as 100mm.Arrester chassis 20 can be using circle
Also square, the other shapes such as ellipse can be used.The length of the thickness on arrester chassis 20 and the installation thread segment 111 of arrester 10
The consistent in or greater than length for installing thread segment 111 of degree.
Connecing sudden strain of a muscle system also includes downlead 30, integument 50 and downlead support 40.As shown in Figure 3 and Figure 4, downlead branch
Frame 40 is fixedly installed on blade, and downlead 30 is arranged on downlead support 40 by integument 50.By drawing in branch
Downlead support 40 is installed at offline 30 prevents downlead 30 from rocking or coming off in blade, it is to avoid caused by blade longtime running
The fatigue damage of downlead 30.The downside of downlead support 40 is provided with flange, by bonded adhesives or the housing of other methods and blade
It is connected, downlead 30 is put on downlead support 40, and by integument 50 by the fixation of downlead 30.
According to another aspect of the present utility model, there is provided a kind of wind generator set blade, it include suction surface housing 91,
Pressure face housing and sudden strain of a muscle system is connect, it is above-mentioned to connect sudden strain of a muscle system to connect sudden strain of a muscle system.The arrester that the blade of sudden strain of a muscle system is connect using this was both
Arrester effect is ensure that, and with good salt fog resistance ability, good corrosion resistance, long service life, and can avoid interior
Portion discharges, and protects blade construction.
When connecing sudden strain of a muscle system and installing, first by the end hookup wire nose 71 of downlead 30, afterwards by the connection spiral shell of line nose 71
Bolt 62 is connected with arrester chassis 20.Then the corresponding position of arrester is found on the housing of blade, and carries out mark point, root
Certain thickness bonding agent being coated according to the shape of arrester and forming tack coat 61, arrester chassis 20 is installed by tack coat 61
On blade, finally after vane mold matching, punched on blade according to the mark point for installing arrester chassis 20, by arrester 10
Connected with arrester chassis 20, complete to install.
Blade of the present utility model connects sudden strain of a muscle system and wind generator set blade has the effect that：
This connect sudden strain of a muscle system solve existing arrester can not effectively lightning protection, it is not corrosion-resistant, it is impossible to effectively insulation problem.Energy
Lightning protection properties are effectively improved, thunderbolt risk is reduced, can be effectively anticorrosive, partial discharge resistant can effectively protect the interior of blade
Portion's structure.Safeguard simple simultaneously, reliability is high.
Arrester is designed to cylinder, and cylinder external end head has mounting hole, facilitates the installing/dismounting of arrester.
Arrester uses the corrosion-resistant material or outer coated with anti-corrosion layer of stainless steel with sudden strain of a muscle chassis is connect, with anticorrosive.It is outer again
One layer is enclosed with insulating barrier, can avoid shelf depreciation.
A pair of arresters stagger certain position in the pressure face and suction surface of blade, are connected with main downlead respectively, can
To improve the validity of the lightning-protection system of blade.
Arrangement is placed with downlead support under the downlead of arrester, and downlead can be avoided to be shaken in blade running
It is dynamic.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (9)
1. a kind of blade connects sudden strain of a muscle system, it is characterised in that including at least one pair of arrester (10), one of them described arrester
(10) it is arranged on the suction surface housing (91) of blade, another arrester (10) is arranged on the pressure face-piece of the blade
On body, along the length direction of the blade, on arrester (10) on the suction surface housing (91) and the pressure face housing
Arrester (10) between there is the first distance, the arrester (10) is multipair, and length direction along blade is spaced successively
Set.
2. blade according to claim 1 connects sudden strain of a muscle system, it is characterised in that the span of first distance is 50mm
To 300mm.
3. blade according to claim 1 and 2 connects sudden strain of a muscle system, it is characterised in that the arrester (10) is including arrester
Main body, the arrester main body is the arrester main body of stainless steel material or the arrester main body of molybdenum materials matter.
4. blade according to claim 3 connects sudden strain of a muscle system, it is characterised in that the arrester main body is cylinder body
(11) installation thread segment (111), is provided with the arrester main body, the arrester (10) also includes insulating barrier, described exhausted
Edge layer is set on the part except installation thread segment (111) of the arrester main body.
5. blade according to claim 3 connects sudden strain of a muscle system, it is characterised in that the sudden strain of a muscle face that connects of the arrester main body is provided with
Mounting hole (112).
6. blade according to claim 1 connects sudden strain of a muscle system, it is characterised in that described to connect also including arrester chassis (20)
Dodge device chassis (20) to be fixedly installed in the blade, the arrester (10) is threadedly coupled with the arrester chassis (20).
7. blade according to claim 6 connects sudden strain of a muscle system, it is characterised in that the arrester chassis (20) includes chassis master
Body, anticorrosive coat and insulating barrier, the anticorrosive coat are coated on outside the chassis body, and the insulating barrier is coated on the anticorrosive coat
Outward.
8. blade according to claim 1 connects sudden strain of a muscle system, it is characterised in that the sudden strain of a muscle system that connects also includes downlead
(30), integument (50) and downlead support (40), the downlead support (40) are fixedly installed on blade, the downlead
(30) it is arranged on the downlead support (40) by the integument (50).
9. a kind of wind generator set blade, it is characterised in that including suction surface housing (91), pressure face housing and meet sudden strain of a muscle system
System, the sudden strain of a muscle system that connects connects sudden strain of a muscle system any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621347077.7U CN206290384U (en) | 2016-12-08 | 2016-12-08 | Blade connects sudden strain of a muscle system and wind generator set blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621347077.7U CN206290384U (en) | 2016-12-08 | 2016-12-08 | Blade connects sudden strain of a muscle system and wind generator set blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206290384U true CN206290384U (en) | 2017-06-30 |
Family
ID=59096775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621347077.7U Active CN206290384U (en) | 2016-12-08 | 2016-12-08 | Blade connects sudden strain of a muscle system and wind generator set blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206290384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796959A (en) * | 2021-02-09 | 2021-05-14 | 三一重能股份有限公司 | Lightning arrester support, blade and wind generating set |
-
2016
- 2016-12-08 CN CN201621347077.7U patent/CN206290384U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796959A (en) * | 2021-02-09 | 2021-05-14 | 三一重能股份有限公司 | Lightning arrester support, blade and wind generating set |
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| GR01 | Patent grant |