CN110307127A - A kind of sea carbon fiber wind electricity blade lightning-protection system - Google Patents
A kind of sea carbon fiber wind electricity blade lightning-protection system Download PDFInfo
- Publication number
- CN110307127A CN110307127A CN201910773886.6A CN201910773886A CN110307127A CN 110307127 A CN110307127 A CN 110307127A CN 201910773886 A CN201910773886 A CN 201910773886A CN 110307127 A CN110307127 A CN 110307127A
- Authority
- CN
- China
- Prior art keywords
- blade
- conductive plate
- metal mesh
- blade tip
- protection system
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
-
- 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
Abstract
This patent is related to thunder resisting equipment technical field, disclose a kind of marine carbon fiber wind electricity blade lightning-protection system, including blade tip arrester, metal mesh, several conductive plates, conducting bolt and conducting wire, conducting wire is connect with conducting bolt, conductive plate includes several pairs of blade root conductive plates and several pairs of blade tip conductive plates, blade tip arrester is fixed on blade tip with blade tip conductive plate and is connected by conducting bolt, several blade root conductive plates are fixed on root of blade, and blade root conductive plate is connect with conducting bolt, metal mesh is covered in blade girder.Thunder and lightning passes to metal mesh by blade tip arrester, blade tip conductive plate, blade root conductive plate is passed to again, interruption, the mutation of electric current will not be generated in entire lightning-protection system, gap discharge, shelf depreciation will not be generated, electric current conduction is uniform, uniform heat distribution caused by electric current conducts, avoids hot-spot aging.
Description
Technical field
The present invention relates to thunder resisting equipment technical field, specifically a kind of sea carbon fiber wind electricity blade lightning-protection system.
Background technique
Wind-driven generator is commonly installed sea, and during rotation due to wind-driven generator, blade is in higher position, in thunder
Rainy day is easily subject to be struck by lightning, it is therefore desirable to install lightning protection device on the blade, carbon fiber girder of wind-driven generator.
Existing lightning protection device designs simply mostly, pertains only to arrester and conducting wire and its relevant connection, this mode without
Method plays the role of that carbon fiber blade is protected to be easy to draw thunder, but unbearable thunder because carbon fiber blade is originally semiconductor
Phenomena such as hitting, be also unfavorable for the conduction of electric current and heat, being easy to produce localised current distribution unevenness, accumulation, heat aggregation.
Summary of the invention
The invention is intended to provide a kind of marine carbon fiber wind electricity blade lightning-protection system, to solve to be easy to appear in the prior art
The problem of carbon fiber blade girder is struck by lightning, lightning-protection system localised current distribution unevenness, accumulation, heat aggregation.
In order to achieve the above object, base case of the invention is as follows:
A kind of sea carbon fiber wind electricity blade lightning-protection system, including blade tip arrester, metal mesh, several conductive plates, conduction
Bolt and conducting wire, the conducting wire are connect with conducting bolt, the conductive plate include several pairs of blade root conductive plates and it is several at
Pair blade tip conductive plate, the blade tip arrester is fixed on blade tip with blade tip conductive plate and connected by conducting bolt, if
It does the blade root conductive plate and is fixed on root of blade, and blade root conductive plate is connect with conducting bolt, the metal mesh is covered on leaf
On piece girder, the metal mesh is located at the edge of blade tip and blade tip conductive plate is fixed, and the metal mesh is located at root of blade
Edge fixed with blade root conductive plate.
Base case the utility model has the advantages that (1) thunder and lightning is passed to metal mesh, then is passed to by blade tip arrester, blade tip conductive plate
Blade root conductive plate, conducting wire will not generate the interruption of electric current in entire lightning-protection system, will not generate gap discharge, shelf depreciation, whole
The conduction of body electric current is evenly distributed, uniform heat distribution caused by electric current conducts, and avoids partial breakdown, crosses heat ageing.
(2) it uses metal mesh as lower guide body in this programme, covers entire girder, girder can be protected.
Further, every piece of conductive plate is made of inner conductive plate, outer conductive plate and conducting block, the conducting block weldering
It connects in side of the inside conductive plate far from outer conductive plate, the metal network edge is fixed on inner conductive plate and outer conductive plate
Between, the conducting block on the inner conductive plate is connect with conducting bolt.Metal network edge is clipped in inner conductive plate and outside is led
Between battery plate, metal mesh is clamped by inner conductive plate and outer conductive plate, more excellent connection, transition can be reached, and
Conducting block on the conductive plate of inside is connect with conducting bolt, and then forms good conductive path.
Further, several through-holes are equipped on the inner conductive plate and outer conductive plate, the inner conductive plate and outer
Side conductive plate is fixedly connected by several rivets, and the rivet passes through through-hole.Using rivet by inner conductive plate and outer conductive
Plate is fixed, so that inner conductive plate and outer conductive plate stable connection, while can guarantee inner conductive plate and outer conductive plate
Clamp metal mesh.
Further, the metal mesh is equipped with several equipotentials, is equipped with the auxiliary layer of several layers equipotential at the equipotential, if
The auxiliary layer of equipotential described in dried layer is between metal mesh and girder.Equipotential being capable of electricity between budget metals net and blade girder
Potential difference.
Further, fillet is arranged in the metal edges of the conductive plate, angle.Conductive sheet metal side, angle fillet are not easy to form part
Electric discharge, overall current conduction are evenly distributed.
Further, the metal mesh is copper mesh.The conducting electricity very well of copper, profile-followed performance are good, are suitable for this programme.
Further, the metal mesh is aluminium alloy net.Aluminium alloy conduct electricity very well and lighter weight, can reduce blade
The weight bearing of girder.
It further, further include shield and covering, the covering is fixed between blade girder and metal mesh, the shield position
At blade tip and blade root, the shield is fixed between covering and metal mesh.After avoiding blade tip conductive plate, the installation of blade root conduction version
Cause copper mesh fold, out-of-flatness, being connected smoothly between conductive plate and metal mesh at guarantee blade tip conductive plate, blade root, it is ensured that
The steady conduction of electric current, heat.
Further, the metal mesh is folded in girder blade tip and blade root position, and profile-followed with conductive plate.Guaranteeing covering master
It is folded on the basis of beam in blade tip and leaf root part, is suitable for the tangential change in size of vane airfoil profile, while being guaranteed enough
Sectional area.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the front view of the blade tip arrester in the embodiment of the present invention；
Fig. 3 is the side view of the blade tip arrester in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the blade tip conductive plate in this programme embodiment；
Fig. 5 is the structural schematic diagram of the blade root conductive plate in the embodiment of the present invention；
Fig. 6 is the cross-sectional view of the equipotential window in the embodiment of the present invention；
Fig. 7 is the connection schematic diagram of conductive plate and metal mesh in the embodiment of the present invention；
Fig. 8 is the connection schematic diagram of blade tip arrester, blade tip conductive plate and blade girder in the embodiment of the present invention；
Fig. 9 is blade root conductive plate and blade girder connection schematic diagram in the embodiment of the present invention；
Figure 10 is the enlarged diagram of A in Fig. 9.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: blade tip arrester 1, blade tip conductive plate 2, conducting bolt 3, blade root conduction
The auxiliary layer 10 of plate 4, metal mesh 5, blade girder 6, inner conductive plate 7, outer conductive plate 8, conducting block 9, equipotential, shield 11.
Embodiment
Substantially as shown in attached drawing 1, Fig. 2, Fig. 3: a kind of sea carbon fiber wind electricity blade lightning-protection system, including blade tip arrester
1, metal mesh 5, several conductive plates, conducting bolt 3 and conducting wire, conductive plate include two pairs of blade root conductive plate 4 and two pairs of blade tip
Conductive plate 2, as shown in connection with fig. 8, blade tip arrester 1 and blade tip conductive plate 2 are fixed on blade tip and are connected by conducting bolt 3
It connects, in conjunction with shown in Fig. 9, Figure 10, blade root conductive plate 4 is fixed on root of blade, and blade root conductive plate 4 is connect with conducting bolt 3.It leads
Rounding is arranged in the metal edges of battery plate, angle.
Metal mesh 5 is copper mesh or aluminium alloy net (being preferably copper mesh in the present embodiment), and metal mesh 5 is covered on blade girder 6
On, metal mesh 5 is located at the edge of blade tip and blade tip conductive plate 2 is fixed, and metal mesh 5 is located at edge and the blade root of root of blade
Conductive plate 4 is fixed.As shown in connection with fig. 6, metal mesh 5 is equipped with several equipotentials, is equipped with the auxiliary layer 10 of three layers of equipotential at equipotential,
The auxiliary layer 10 of three layers of equipotential is between metal mesh 5 and girder.Equipotential can be between budget metals net 5 and blade girder 6
Potential difference.Metal mesh 5 is folded in girder blade tip and blade root position, and profile-followed with conductive plate.Between metal mesh 5 and blade girder 6
It is additionally provided with shield 11 and covering, covering is fixed between blade girder and metal mesh, and shield 11 is located at blade tip and blade root, shield
11 are fixed between covering and metal mesh.
In conjunction with shown in Fig. 4, Fig. 5, every piece of conductive plate is made of inner conductive plate 7, outer conductive plate 8 and conducting block 9, conductive
Block 9 is welded on side of the inner conductive plate 7 far from outer conductive plate 8, if being equipped on inner conductive plate 7 and outer conductive plate 8
Dry through-hole, inner conductive plate 7 and outer conductive plate 8 are fixedly connected by several rivets, and rivet passes through through-hole.As shown in connection with fig. 7,
5 edge of metal mesh is fixed between inner conductive plate 7 and outer conductive plate 8, the conducting block 9 on inner conductive plate 7 and conductive spiral shell
Bolt 3 connects, and the conducting bolt 3 at blade root is connect with conducting wire.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these also should be considered as protection scope of the present invention, these all will not influence of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific embodiment can be used for explaining the content of claim.
Claims (9)
1. a kind of sea carbon fiber wind electricity blade lightning-protection system, it is characterised in that: including blade tip arrester, metal mesh, several lead
Battery plate, conducting bolt and conducting wire, the conducting wire are connect with conducting bolt, and the conductive plate includes several pairs of blade root conductive plates
With several pairs of blade tip conductive plates, the blade tip arrester and blade tip conductive plate are fixed on blade tip and pass through conducting bolt
Connection, several blade root conductive plates are fixed on root of blade, and blade root conductive plate is connect with conducting bolt, and the metal mesh covers
It covers in blade girder, the metal mesh is located at the edge of blade tip and blade tip conductive plate is fixed, and the metal mesh is located at leaf
The edge of piece root is fixed with blade root conductive plate.
2. offshore wind farm blade lightning-protection system according to claim 1, it is characterised in that: every piece of conductive plate is by inside
Conductive plate, outer conductive plate and conducting block composition, the conducting block are welded on side of the inner conductive plate far from outer conductive plate,
The metal network edge is fixed between inner conductive plate and outer conductive plate, the conducting block on the inner conductive plate and conduction
It is bolted.
3. offshore wind farm blade lightning-protection system according to claim 2, it is characterised in that: the inner conductive plate and outside
Several through-holes are equipped on conductive plate, the inner conductive plate is fixedly connected with outer conductive plate by several rivets, the riveting
Nail is across through-hole.
4. offshore wind farm blade lightning-protection system according to claim 3, it is characterised in that: the metal mesh is equipped with several
Equipotential is equipped with the auxiliary layer of several layers equipotential at the equipotential, and the auxiliary layer of equipotential described in several layers is located at metal mesh and girder
Between.
5. offshore wind farm blade lightning-protection system according to claim 4, it is characterised in that: the metal edges of the conductive plate,
Fillet is arranged in angle.
6. offshore wind farm blade lightning-protection system according to claim 5, it is characterised in that: the metal mesh is copper mesh.
7. offshore wind farm blade lightning-protection system according to claim 5, it is characterised in that: the metal mesh is aluminium alloy
Net.
8. offshore wind farm blade lightning-protection system according to claim 5, it is characterised in that: further include shield and covering, institute
It states covering to be fixed between blade girder and metal mesh, the shield is located at blade tip and blade root, and the shield is fixed on covering
Between metal mesh.
9. offshore wind farm blade lightning-protection system according to claim 6 or 7, it is characterised in that: the metal mesh is in girder
Blade tip and blade root position fold, and profile-followed with conductive plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910773886.6A CN110307127A (en) | 2019-08-21 | 2019-08-21 | A kind of sea carbon fiber wind electricity blade lightning-protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910773886.6A CN110307127A (en) | 2019-08-21 | 2019-08-21 | A kind of sea carbon fiber wind electricity blade lightning-protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110307127A true CN110307127A (en) | 2019-10-08 |
Family
ID=68083701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910773886.6A Pending CN110307127A (en) | 2019-08-21 | 2019-08-21 | A kind of sea carbon fiber wind electricity blade lightning-protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110307127A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622906A (en) * | 2020-06-09 | 2020-09-04 | 东方电气风电有限公司 | Carbon fiber blade double-loop lightning protection system |
| CN113339209A (en) * | 2021-06-02 | 2021-09-03 | 株洲时代新材料科技股份有限公司 | Wind power blade lightning protection system and wind power blade |
| WO2024000907A1 (en) * | 2022-06-29 | 2024-01-04 | 江苏金风科技有限公司 | Lightning protection device, lightning protection system, wind turbine and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101668945A (en) * | 2007-02-19 | 2010-03-10 | 维斯塔斯风力系统有限公司 | Wind turbine rotor blade and method of manufacturing such rotor blade |
| CN101949366A (en) * | 2009-06-29 | 2011-01-19 | 维斯塔斯风力系统集团公司 | The lightning protection net |
| WO2013097855A2 (en) * | 2011-12-29 | 2013-07-04 | Vestas Wind Systems A/S | A wind turbine blade and method of manufacturing a wind turbine blade |
| WO2015124365A1 (en) * | 2014-02-18 | 2015-08-27 | Siemens Aktiengesellschaft | Lightning arrester |
| CN206429354U (en) * | 2017-01-17 | 2017-08-22 | 云南明阳风电技术有限公司 | A kind of blade lightning protection device of wind-driven generator |
| CN209067419U (en) * | 2018-07-17 | 2019-07-05 | 浙江运达风电股份有限公司 | A kind of novel blade lightning protection strengthen the system |
-
2019
- 2019-08-21 CN CN201910773886.6A patent/CN110307127A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101668945A (en) * | 2007-02-19 | 2010-03-10 | 维斯塔斯风力系统有限公司 | Wind turbine rotor blade and method of manufacturing such rotor blade |
| CN101949366A (en) * | 2009-06-29 | 2011-01-19 | 维斯塔斯风力系统集团公司 | The lightning protection net |
| WO2013097855A2 (en) * | 2011-12-29 | 2013-07-04 | Vestas Wind Systems A/S | A wind turbine blade and method of manufacturing a wind turbine blade |
| WO2015124365A1 (en) * | 2014-02-18 | 2015-08-27 | Siemens Aktiengesellschaft | Lightning arrester |
| CN206429354U (en) * | 2017-01-17 | 2017-08-22 | 云南明阳风电技术有限公司 | A kind of blade lightning protection device of wind-driven generator |
| CN209067419U (en) * | 2018-07-17 | 2019-07-05 | 浙江运达风电股份有限公司 | A kind of novel blade lightning protection strengthen the system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622906A (en) * | 2020-06-09 | 2020-09-04 | 东方电气风电有限公司 | Carbon fiber blade double-loop lightning protection system |
| CN113339209A (en) * | 2021-06-02 | 2021-09-03 | 株洲时代新材料科技股份有限公司 | Wind power blade lightning protection system and wind power blade |
| WO2024000907A1 (en) * | 2022-06-29 | 2024-01-04 | 江苏金风科技有限公司 | Lightning protection device, lightning protection system, wind turbine and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110307127A (en) | A kind of sea carbon fiber wind electricity blade lightning-protection system | |
| DK178407B1 (en) | Integrated lightning receptor system and trailing edge noise reducer for a wind turbine rotor blade | |
| KR101766613B1 (en) | Lightning protection device, direct-drive wind turbine generator system and lightning protection method thereof | |
| EP2633186B1 (en) | A wind turbine lightning protection system and wind turbine blade | |
| WO2013007267A1 (en) | A wind turbine blade | |
| CN206636708U (en) | A kind of blade lightning protection structures of wind power generating set | |
| ATE335129T1 (en) | LIGHTNING PROTECTION OF A PITCH-CONTROLLED WIND TURBINE BLADE | |
| JP2008115783A (en) | Blade for wind turbine | |
| CN110219784A (en) | A kind of lightning-protection system of wind electricity blade | |
| EP3093487B1 (en) | Lightning protection system for wind turbine rotor blades | |
| CN202749789U (en) | Lightning protection apparatus, blade assembly of wind turbine generator set and wind turbine generator set | |
| CN107956656A (en) | A kind of wind power generation unit blade lightning protection connects sudden strain of a muscle system | |
| JP5167036B2 (en) | Windmill blade | |
| CN108223306A (en) | A kind of outer lightning protection for being overlying on wind power generation unit blade surface connects sudden strain of a muscle device | |
| CN113048027A (en) | Lightning-protection mechanism for fan blade | |
| CN108223305A (en) | Wind power generation unit blade connects sudden strain of a muscle device with electrode | |
| CN207715307U (en) | A kind of wind generator set blade Lightning Transformation device | |
| CN202940460U (en) | Tower lightning arrester | |
| CN203022979U (en) | Thunder and lightning prevention protector of wind turbine generator blades | |
| US20130098651A1 (en) | Lightning protection structure of blade for wind power generation | |
| CN108425811B (en) | Lightning protection system for fan blade | |
| CN208416823U (en) | Wind power generating set blade lighting protection arrester | |
| CN214337211U (en) | High-efficient ventilation cooling device of capacitor box | |
| CN202249627U (en) | Shutter | |
| CN205592077U (en) | Blade for wind generating set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191008 |
|
| RJ01 | Rejection of invention patent application after publication |