• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Lightning rod system for wind turbine blades with conductive structural components. The invention provides a lightning rod system for a wind turbine blade (10), the structure of which comprises two structural shells (11, 13) with two caps (19, 21) constituted by carbon fiber laminates and two spars (15, 17). In addition to a first subsystem formed by one or more ray receptors connected to one or two conductor cables, the lightning arrestor system comprises a second subsystem formed by lateral beam receivers (30, 31) arranged at the leading and trailing edges of the blade. Of wind turbine (10) in at least two cross sections (22, 23) thereof connected to the caps (19, 21) and connection means between both subsystems to equipotentialize the lightning rod system. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2589185A1
    申请号:ES201500337
    申请日:2015-05-08
    公开日:2016-11-10
    发明作者:Victor MARCH NOMEN；Francisco Javier BANDRES GOMEZ；Javier Iriarte Eleta
    申请人:Gamesa Innovation and Technology SL；
    IPC主号:
    专利说明:

    between the cable and the laminate and so that there are no direct impacts of
    rays in the carbon fiber laminate.
    Document W02006051147 describes a lightning rod system that includes
    equipotentialization means of carbon fiber laminates with the
    5 lightning arrester system that includes leads from the main cable to connect
    directly with carbon fiber laminates. These auxiliary cables are
    connected by screw connection to a metal plate in direct contact
    with the layers of carbon fiber. The electrical connection can be improved
    by means of the use of conductive resins added in the zone of union.
    10 Document ES 2396839 describes a lightning rod system for
    wind turbine formed by several connections arranged on the laminates of
    carbon fiber of the blade, equipotentiating the surface of the wings of the beam to
    through the leads of a main cable through auxiliary cables and
    a high inductance device placed in the connection between the laminates
    fifteen Carbon fiber and the main cable to reduce the passage of current through
    of the carbon fiber laminate and favor the conduction through the cable
    principal.
    While the installation of the lightning rod systems mentioned in
    wind turbine blades of a conventional structure does not pose problems
    2 o the same does not happen in wind turbine blades with structural shells.
    The present invention is oriented to the solution of that inconvenience.
    SUMMARY OF THE INVENTION
    25 In a first aspect, the invention provides a lightning rod system
    for a wind turbine blade, whose structure comprises two shells
    structural that include two caps made of fiber laminates
    carbon and two stringers, comprising a first subsystem formed by one
    or more lightning receivers connected to one or two conductor cables
    3 o arranged inside the wind turbine blade to drive the rays to
    earth, a second subsystem formed by lateral ray receptors
    arranged at the leading and trailing edges in at least two sections
    cross-sections of the wind turbine blade connected to the caps and connection means between both subsystems to equip the lightning rod system. The lateral ray receivers are formed by one or more internal conductor blocks and external connectors configured so that
    5 allow you to connect them electrically to each other. Advantageously the terminals of the second subsystem in the wind turbine blade caps are metal plates. Advantageously said external connectors are sized to come into contact with the internal conductor blocks.
    In a second aspect, the invention provides a method of installing the lightning rod system mentioned in a wind turbine blade whose structure comprises two structural shells that include two caps constituted by carbon fiber laminates and two stringers and whose manufacturing process comprises a first stage of manufacturing
    Said caps, a second stage of manufacturing the structural shells with said caps embedded therein; a third stage of joining the stringers to the lower shell and a fourth stage of joining the upper shell to the lower shell and the stringers. The installation procedure includes the following steps: a) include in the caps conductive terminals in the
    20 first stage; b) mount in each of said cross sections the inner conductor blocks of the lateral lightning receivers during the second stage and after their completion connect them to the caps by means of auxiliary cables; c) connect the internal components of the two subsystems in the third stage; d) connect the internal conductor blocks of the
    25 lateral ray receivers in the fourth stage.
    Other desirable features and advantages of the invention will become apparent from the following detailed description and the appended claims in relation to the accompanying figures.
    3 OR BRIEF DESCRIPTION OF THE FIGURES
    Figures 1 a-1 b and 2a-2b are schematic views in plan and section
    transverse along the plane A-A of a lightning rod system for a wind turbine blade according to two embodiments of the invention.
    Figures 3a-3b, 4 and 5 are schematic cross-sectional views along the plane A-A illustrating the fundamental steps of the installation procedure of a lightning rod system of a wind turbine blade according to an embodiment of the invention.
    Figures 6a-6b, 7 and 8 are schematic cross-sectional views along the plane A-A illustrating the fundamental steps of the installation procedure of a lightning rod system of a wind turbine blade according to an embodiment of the invention. Detailed description of the invention
    The lightning arrester system of the invention is directed to a wind turbine blade 10 whose structure comprises an upper structural shell 11, a lower structural shell 13 incorporating respectively caps 19, 21 constituted by carbon fiber laminates and, especially, a wind turbine blade 10 manufactured by an infusion process through which the integration of caps 19, 21 into the structural shells 11, 13 is carried out.
    The lightning rod system comprises a first subsystem, well known in the art, comprising one or more lightning receivers 25, 25 'connected to a first conductor cable 41 (see Figures 1a, 1b) or a first and a second conductor cable 41, 43 (see Figures 2a, 2b) arranged inside the wind turbine blade 10 to drive them to the ground.
    The lightning rod system comprises a second subsystem arranged in at least two cross sections 22, 23 of the wind turbine blade 10 which includes (depending on the number of conductive cables of the first subsystem) one or two lateral lightning receivers 30, 31, first and third auxiliary cables 46.47; 44, 45 to connect them to caps 19, 21, thus establishing
    lightning conduction circuit through carbon fiber laminates
    of caps 19,21.
    The lightning rod system has both connection means
    subsystems to equipotentialize them that include (depending on the number of
    5 conductive cables of the first subsystem) a second and, where appropriate, a quarter
    auxiliary cable 51, 53 connected, on the one hand, to the conductor cables 41, 43 and,
    on the other hand, to a first and, where appropriate, a third auxiliary cable 47, 45 as well
    as an equipotential busbar 50 connecting, where appropriate, the cables
    conductors 41, 43.
    10 The lateral lightning receivers 30, 31 installed in, respectively,
    the leading edge and the trailing edge of the wind turbine blade 10 in the
    cross sections 22, 23 comprise, respectively, in each of
    they first and second internal conductor blocks 36, 37; 34, 35 Y
    first and second external connectors 56, 57; 54, 55 configured from
    fifteen way they allow their electrical connection.
    The installation procedure of the lightning rod system in a
    wind turbine 10 comprises the following steps:
    Step 1: Insert conductive terminals such as wires or plates
    in caps 19, 21 during its manufacturing process as fiber laminates of
    2 o carbon. The conductive terminals are inserted in the fabric stacking stage of
    prepeg, before the curing phase.
    Step 2 (see Figures 3a-3b and 6a-6b): Connect the first blocks
    internal conductors 36, 37 (embodiment with a first conductor cable 41) or the
    first and second internal conductor blocks 36,37; 34, 35 (realization with
    25 a first and a second conductor cable 41 and 43) with caps 19, 21 by,
    respectively, first auxiliary cables 46, 47 or first and
    third auxiliary cables 46, 47; 44, 45 the shells being 11, 21 in their molds
    with caps 19, 21 embedded in them after finishing the curing process.
    Step 3 (see Figures 4 and 7): After gluing the stringers 15, 17 to the
    3 o bottom shell 13 connect the first conductor cable 41 or the first and second
    conductor cable 41, 43 adhered, respectively, to stringer 17 or to
    stringers 15, 17 with, respectively, the first auxiliary cable 47 or with the first and
    the third auxiliary cable 47, 45 and, in the second case, connect an equipotential busbar 50 to the first and second conductor cable 41, 43. Step 4: (see Figures 5 and 8) After placing the upper shell 11 on the lower shell 13 and close the molds proceed to connect the first
    5 internal conductor blocks 36, 37 (embodiment with a first conductor cable 41) or the first and second internal conductor blocks 36, 37; 34, 35 (embodiment with a first and a second conductor cable 41 and 43) by, respectively, the first external connectors 56, 57 or the first and second external connectors 56, 57; 54, 55 finally leaving the shovel of
    10 wind turbine 10 in the situation represented in Figures 1b and 2b, respectively. Note that external connectors 56 and 54 are in contact with the first and second internal conductor blocks 36, 37; 34, 35 of each lateral ray receptor 31.30. Although the present invention has been described in relation to various
    From embodiments, it will be appreciated from the description that various combinations of elements, variations or improvements can be made therein, and are within the scope of the invention as defined in the appended claims.
    权利要求:
    Claims (7)
    [1]

    1. Lightning rod system of a wind turbine blade (10), whose
    structure comprises two structural shells (11, 13) that include two caps
    5 (19,21) consisting of carbon fiber laminates and two stringers (15, 17),
    which includes:
    -a first subsystem comprising one or more ray receivers
    (25, 25 ') connected to a first conductor cable (41) disposed inside
    the wind turbine blade (10) to drive the rays to ground;
    10 -a second subsystem comprising connection means between the
    caps (19, 21) and the first conductor cable (41) that allow equipotentializing the
    lightning rod system in at least two cross sections (22, 23) of the blade
    wind turbine (10);
    characterized in that:
    fifteen -the second subsystem also includes in each of said
    cross sections (22, 23) a first lateral ray receiver (31)
    disposed on one of the edges of said cross sections (22, 23) that
    includes first internal conductor blocks (36, 37) in the shells
    structural (11, 13) and first external connectors (56, 57) configured
    2 o so that the first blocks can be electrically connected to each other
    internal conductors (36, 37);
    -the first internal conductor blocks (36, 37) are connected
    with the caps (19, 21) by means of first auxiliary cables (46, 47);
    -the first conductor cable (41) is connected to one of the first
    25 auxiliary cables (46, 47) by means of a second auxiliary cable (53).
    [2]
    2. System according to claim 1, wherein the caps terminals
    (19, 21) to which said first auxiliary cables (46, 47) are connected are
    some metal plates.
    30
    [3]
    3. System according to any of claims 1-2, wherein the
    first lightning conductor cable (41) is attached to one of the stringers (15,
    17) of the wind turbine blade (10).
    5 4. System according to any of claims 1-3, wherein one of
    the first external connectors (56, 57) is sized to enter
    contact with the first internal conductor blocks (36, 37).
    [5]
    5. System according to any of claims 1-4 wherein:
    10 -the first subsystem also comprises a second conductor cable
    (43) arranged inside the wind turbine blade (10) to drive the
    ground rays;
    -the second subsystem also includes in each of said
    cross sections (22, 23) a second lateral ray receiver (30)
    fifteen disposed on the edge of said cross sections opposite to the first
    lateral lightning receiver (31) that includes a few second conductive blocks
    internal (34, 35) in the structural shells (11, 13) and a few seconds
    external connectors (54; 55) configured to allow connection
    electrically with each other the second internal conductor blocks (34, 35);
    2 o -the second internal conductor blocks (34, 35) are connected
    with the caps (19, 21) by means of third auxiliary cables (44, 45);
    -the second conductor cable (43) is connected to one of said
    third auxiliary cables (44, 45) by means of a fourth auxiliary cable (53);
    -the second subsystem also comprises an equipotential bus
    25 (50) connected to the first and second conductor cables (41.43).
    [6]
    6. System according to claim 5, wherein the caps terminals
    (19, 21) to which said third auxiliary cables are connected (44, 45) are
    some metal plates.
    30
    [7]
    7. System according to any of claims 5-6, wherein the second conductor cable (43) is attached to that of the stringers (15, 17) of
    the wind turbine blade (10) to which the first lightning conductor cable (41) is not attached.
    [8]
    8. Procedure for installing a lightning rod system according to any of claims 1-4 in a wind turbine blade (10) whose structure comprises two structural shells (11, 13) that include two caps (19,21) constituted by fiber laminates carbon and two stringers (15, 17);
    the manufacturing process of the wind turbine blade (10) comprising a first stage of manufacturing said caps (19, 21), a second stage of manufacturing the structural shells (11, 13) with said caps (19, 21) embedded in them; a third stage of joining the stringers (15, 17) to the lower structural shell (13) and a fourth stage of joining the two structural shells (11,13);
    characterized in that it comprises the following steps: a) include in the caps (19, 21) conductive terminals in the first stage;
    b) mounting the first internal conductor blocks (36, 37) of the first lateral ray receiver (31) in each of said transverse sections (22, 23) during the second stage and after their completion connect them to the caps (19, 21) by the first auxiliary cables (46, 47);
    c) attach the first conductor cable (41) to the crossbar (17) closest to the first lateral lightning receiver (31) and connect it to the first auxiliary cable (47) by the second auxiliary cable (51) in the third stage;
    d) connect the first internal conductor blocks (36, 37) to each other through the first external connectors (56, 57) in the fourth stage.
    Installation Procedure of a lightning rod system according to any of claims 5-7 in a wind turbine blade (10) whose structure comprises two structural shells (11, 13) that include two caps (19,21) constituted by carbon fiber laminates and two stringers (15, 17);
    the method of manufacturing the wind turbine blade (10) comprising a first stage of manufacturing said caps (19, 21);
    a second stage of manufacturing the structural shells (11, 13) with said caps embedded therein; a third stage of joining the stringers (15, 17) to the lower shell (13) and a fourth stage of joining the two structural shells (11, 13);
    5 characterized in that it comprises the following steps: a) include in the caps (19, 21) conductive terminals in the first stage; b) mounting in each of said cross sections (22, 23) the first and second internal conductor blocks (34, 35; 36, 37) of the first and
    10 the second lateral ray receiver (30, 31) during the second stage and after its completion connect them to the caps (19, 21) by means of the first auxiliary cables (46, 47) and the third auxiliary cables (44, 45);
    c) attach the first and second conductor cables (41, 43) to the stringers (15, 17), mount the equipotential busbar (20) between them and connect them, 15 respectively, to the first and third auxiliary cables (47, 45 ) through the second
    and the fourth auxiliary cable (51, 53) in the third stage;
    d) connect the first and second internal conductor blocks (36, 37; 34, 35) to each other by means of the first and second external connectors (56, 57; 54, 55) in the fourth stage.
    A ~
    2325 25 '
    /
     10 A ..- JFIG.1a
    10 ~
    A ~
    41 43 22
    2325 25 '
    10 ~
    45 31
    FIG.2b
    FIG.3a
    FIG.3b
    FIG. 4
    13 21
    FIG. 5
    13 45 21
    FIG.6a
    FIG.6b
    FIG. 7
    45 21
    FIG. 8
    类似技术:
    公开号 | 公开日 | 专利标题
    ES2589185A1|2016-11-10|Lightning rod system for wind turbine blades with conductive structural components |
    US10669996B2|2020-06-02|Lightning protection systems for wind turbine blades
    DK2930010T3|2017-02-20|Band component for a wind turbine rotor blade
    KR101381677B1|2014-04-04|Battery system and method for coupling a battery cell assembly to an electrically non-conductive base member
    CN203467099U|2014-03-05|Fixing device of power component and fixing assembly of same
    CN203056500U|2013-07-10|Conductive wire connector
    EP3020540A1|2016-05-18|Method for producing reinforcing structure
    US10697441B2|2020-06-30|Method for making an equipotential bonding connection on a wind turbine rotor blade and wind turbine rotor blade having an equipotential bonding connection
    RU127028U1|2013-04-20|COMPOSITE BEARING STRUCTURE
    US10519936B2|2019-12-31|Lightning receptor for a wind turbine rotor blade
    WO2015055216A1|2015-04-23|Improvements relating to lightning protection systems for wind turbine blades
    CN201682098U|2010-12-22|Insulated piercing wire clip
    CN205070326U|2016-03-02|Locomotive cable fastener
    US20210164447A1|2021-06-03|Improvements relating to wind turbine blades
    CN207587441U|2018-07-06|A kind of ageing-resistant high voltage suspended porcelain insulator
    CN203590641U|2014-05-07|Electric appliance equipment and electrical box
    CN103974546B|2016-12-28|Carry circuit board of big electric current and preparation method thereof
    CN205859882U|2017-01-04|A kind of lightning-arrest steel tower equipped with obstruction light
    KR20210081656A|2021-07-02|Integrated Distribution Board For Multicopter
    CN206076173U|2017-04-05|A kind of chopper sealing plate
    CN209133589U|2019-07-19|A kind of 18650 cylindrical electrical core module of layer-stepping and mould group
    ES2728749T3|2019-10-28|Wind turbine rotor blade with a potential compensation arrangement
    CN206628526U|2017-11-10|A kind of battery modules
    CN104176227B|2018-02-16|The supporting plate of system channel between two regions of the different pressurizations as aircraft
    CN103683975A|2014-03-26|Voltage regulator and rectifier bridge integrated structure of automobile alternating-current generator
    同族专利:
    公开号 | 公开日
    CN106121937A|2016-11-16|
    EP3091228B1|2019-07-03|
    DK3091228T3|2019-09-23|
    ES2589185B1|2017-09-18|
    MX359130B|2018-09-14|
    CN106121937B|2020-02-28|
    US20160327028A1|2016-11-10|
    US10125744B2|2018-11-13|
    EP3091228A1|2016-11-09|
    BR102016010337A2|2016-11-16|
    ES2748949T3|2020-03-18|
    MX2016005894A|2016-11-17|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    ES2203171T3|1998-09-09|2004-04-01|Lm Glasfiber A/S|PROTECTION AGAINST RAYS FOR SHOVEL, FOR WIND TURBINE.|
    US20060280613A1|2003-09-15|2006-12-14|Hansen Lars B|Method of lightning proofing a blade for a wind-energy plant|
    US20070074892A1|2003-10-31|2007-04-05|Paul Hibbard|Member for potential equalising|
    US20140348654A1|2013-05-23|2014-11-27|Nordex Energy Gmbh|Wind turbine rotor blade having an electrical heating device and a plurality of lightning conductors|
    EP1826402B1|2004-11-11|2016-08-24|Gamesa Innovation & Technology, S.L.|Lightning conductor system for wind generator blades comprising carbon fibre laminates|
    JP4969098B2|2005-12-21|2012-07-04|三菱重工業株式会社|Windmill lightning protection device, method of assembling the lightning protection device, windmill blade including the lightning protection device, and windmill including the windmill blade|
    WO2008101506A2|2007-02-19|2008-08-28|Vestas Wind Systems A/S|Wind turbine rotor blade and method of manufacturing such rotor blade|
    US8182227B2|2008-02-01|2012-05-22|General Electric Company|Wind turbine blade with lightning receptor|
    US20090246025A1|2008-03-28|2009-10-01|General Electric Company|Wind turbine protection|
    WO2011077970A1|2009-12-24|2011-06-30|三菱重工業株式会社|Wind wheel blade and wind-driven electricity generation device with same|
    CN201805143U|2010-09-26|2011-04-20|国电联合动力技术有限公司|Lightning protection system for wind power generator blades|
    ES2396839B1|2010-11-30|2014-01-02|Gamesa Innovation & Technology, S.L.|PARARRAYOS SYSTEM FOR AEROGENERATOR SHOVEL WITH CARBON FIBER LAMINATES.|
    GB2488561A|2011-03-01|2012-09-05|Vestas Wind Sys As|Radar absorbing material compatible with lightning protection systems|
    DE102011079240B4|2011-07-15|2018-09-06|Carbon Rotec Gmbh & Co. Kg|Device and method for manufacturing a component|
    US20130149153A1|2011-12-09|2013-06-13|Euros Entwicklungsgesellschaft Fur Windkraftanlagen Mbh|Wind turbine blade|
    JP5546624B2|2011-12-09|2014-07-09|三菱重工業株式会社|Windmill wing|
    ES2533230B1|2013-10-03|2016-01-22|Gamesa Innovation & Technology, S.L.|Lightning protection system with integrated anti-freeze system for wind turbine blades|
    EP2930357B1|2014-04-10|2018-06-27|Nordex Energy GmbH|Wind turbine rotor blade with a lightning conductor base|
    US9816482B2|2014-11-17|2017-11-14|General Electric Company|Spar cap for a wind turbine rotor blade|
    US9920739B2|2014-12-18|2018-03-20|General Electric Company|System and method for securing a conductive cable within a wind turbine rotor blade|US10563635B2|2015-11-18|2020-02-18|Clarkson University|Aft rotor ducted wind turbine|
    KR101954775B1|2016-11-30|2019-05-17|두산중공업 주식회사|Carbon blade for wind power generator with multi-down conductor.|
    DK3330528T3|2016-12-05|2020-10-26|Nordex Energy Gmbh|BELT MODULE FOR A WIND ENERGY SYSTEM ROTOR BLADE|
    EP3483424A1|2017-11-14|2019-05-15|Siemens Gamesa Renewable Energy A/S|A wind turbine blade and a wind turbine|
    EP3511560B1|2018-01-11|2020-04-22|Siemens Gamesa Renewable Energy A/S|Spar cap, wind turbine blade, method for fabrication of a spar cap, and method for fabrication of a wind turbine blade|
    DK3594494T3|2018-07-12|2021-04-26|Siemens Gamesa Renewable Energy As|Wind turbine blade and a wind turbine|
    ES2894272T3|2018-07-17|2022-02-14|Siemens Gamesa Renewable Energy As|Wind turbine blade and wind turbine|
    EP3726049A1|2019-04-15|2020-10-21|Siemens Gamesa Renewable Energy Innovation & Technology, S.L.|Rotor blade and method for manufacturing a rotor blade|
    DK3730778T3|2019-04-25|2021-12-06|Siemens Gamesa Renewable Energy As|Spar cap, wind turbine blade, wind turbine and method of manufacturing a spar cap|
    WO2022022790A1|2020-07-27|2022-02-03|Vestas Wind Systems A/S|Wind turbine lightning protection system|
    法律状态:
    2017-09-18| FG2A| Definitive protection|Ref document number: 2589185 Country of ref document: ES Kind code of ref document: B1 Effective date: 20170918 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201500337A|ES2589185B1|2015-05-08|2015-05-08|Lightning rod system for wind turbine blades with conductive structural components|ES201500337A| ES2589185B1|2015-05-08|2015-05-08|Lightning rod system for wind turbine blades with conductive structural components|
    US15/137,159| US10125744B2|2015-05-08|2016-04-25|Lightning protection system for wind turbine blades with conducting structural components|
    EP16000931.2A| EP3091228B1|2015-05-08|2016-04-26|Lightning protection system for wind turbine blades with conducting structural components|
    DK16000931.2T| DK3091228T3|2015-05-08|2016-04-26|Lightning protection system for wind turbine blades with conductive structural components|
    ES16000931T| ES2748949T3|2015-05-08|2016-04-26|Lightning rod system for wind turbine blades with conductive structural components|
    MX2016005894A| MX359130B|2015-05-08|2016-05-06|Lightning protection system for wind turbine blades with conducting structural components.|
    CN201610299001.XA| CN106121937B|2015-05-08|2016-05-06|Lightning protection system for wind turbine blades having electrically conductive structural components|
    BR102016010337A| BR102016010337A2|2015-05-08|2016-05-06|lightning rod system for wind turbine blades with conductive structural components|
    [返回顶部]