CN113309676A - Lightning protection device for wind driven generator blade - Google Patents
Lightning protection device for wind driven generator blade Download PDFInfo
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- CN113309676A CN113309676A CN202110782070.7A CN202110782070A CN113309676A CN 113309676 A CN113309676 A CN 113309676A CN 202110782070 A CN202110782070 A CN 202110782070A CN 113309676 A CN113309676 A CN 113309676A
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- blade
- annular elastic
- lightning protection
- protection device
- driven generator
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- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 abstract description 6
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process 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
- 239000007858 starting material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
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- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
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- 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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0236—Adjusting aerodynamic properties of the blades by changing the active surface of the wind engaging parts, e.g. reefing or furling
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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
Abstract
The invention belongs to the field of lightning protection of wind power generation, and particularly relates to a lightning protection device for a blade of a wind driven generator, which comprises: the bracing piece of vertical setting, upper end of the support bar fixed connection has the fixed axle that the level set up, a pot head of fixed axle is equipped with the change of coaxial setting, the change rotates with the fixed axle to be connected, change lateral wall fixedly connected with multi-disc blade, all install the wire in every blade, parallel mechanism, it is arranged in passing through standby circuit with the electric current of blade tip and connecting in parallel to the main circuit in thunderstorm weather, establish the slip ring on the fixed axle including coaxial cover, the slip ring is connected with annular elastic tube through coupling mechanism, the intraductal lateral wall of annular elastic tube has a plurality of magnetism to switch on the piece through many spring couplings. The conduction mechanism is provided with the sliding cylinder which can move along the direction of the blade, and the sliding cylinder can slide for a certain distance in the direction far away from the blade when the blade is struck by lightning, so that the contact with the annular elastic pipe is further ensured, namely the effective conduction with the parallel mechanism is ensured.
Description
Technical Field
The invention belongs to the field of lightning protection of wind power generation, and particularly relates to a lightning protection device for a blade of a wind driven generator.
Background
With the continuous increase of the consumption speed of non-renewable resources such as petroleum and the increasing demand of human beings on energy, more and more renewable resources are continuously developed, wind energy, tidal energy, solar energy and the like are vigorously developed, the wind energy is mainly converted into electric energy by a wind driven generator for storage at present, and the wind driven generator is often arranged in an area with flat terrain and enough air volume for years;
aerogenerator's height can reach hundreds of meters, and its flabellum length is also nearly hundreds of meters, and the pivoted blade receives the thunderbolt very easily in the weather of beating a thunder, and the lightning protection device is installed at the tip of every blade to most traditional lightning-arrest mode, with the leading-in ground of electric current of blade tip, however the conducting circuit all is unidirectional in the traditional blade, if the electric current transmission path on the blade body breaks down then can lose lightning-arrest effect, causes great accident.
Therefore, a lightning protection device for the blade of the wind driven generator is provided to solve the problems.
Disclosure of Invention
The invention aims to provide a lightning protection device for a wind driven generator blade, aiming at the problem that the end part of most of the traditional wind driven generator blades is easy to be struck by lightning in thunderstorm weather.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a aerogenerator blade lightning protection device, includes the bracing piece of vertical setting, upper end of the support bar fixed connection has the fixed axle that the level set up, a pot head of fixed axle is equipped with the change of coaxial setting, the change rotates with the fixed axle to be connected, change lateral wall fixedly connected with multi-disc blade, every all install wire, its characterized in that in the blade:
the parallel mechanism is used for connecting the current at the end part of the blade to a main circuit in parallel through a standby circuit in thunderstorm weather, and comprises a sliding ring coaxially sleeved on a fixed shaft, the sliding ring is connected with an annular elastic pipe through a connecting mechanism, the inner side wall of the annular elastic pipe is connected with a plurality of magnetic conduction blocks through a plurality of springs, each spring is coupled and connected with the corresponding magnetic conduction block, and a guide line coupled and connected with the plurality of magnetic conduction blocks is arranged in the annular elastic pipe;
actuating mechanism for remove parallel mechanism to switch on with the blade tip in thunderstorm weather, including fixed mounting at the fixed epaxial motor, the one end fixed mounting of fixed axle has the controller, the motor is connected with controller coupling, the output fixed connection of motor has the threaded rod that the level set up, the threaded rod extends to and sets up in the slip ring lateral wall, be equipped with the inside wall on the slip ring lateral wall and set up the screwed through-hole, threaded rod and through-hole threaded connection.
In the lightning protection device for the blades of the wind driven generator, the parallel mechanism further comprises a sliding block fixedly connected to the inner side wall of the sliding ring, a sliding groove matched with the sliding block is formed in the side wall of the fixed shaft, and the sliding block is connected with the sliding groove in a sliding mode.
In foretell aerogenerator blade lightning protection device, coupling mechanism can be connected slip ring and annular elastic tube, including many the connecting rods that many on the slip ring lateral wall set up about its axis centrosymmetry and slope, many the common fixedly connected with go-between of the other end of connecting rod, the opposite side of go-between is equipped with the shift ring rather than parallel arrangement, many telescopic links of fixedly connected with between go-between and the shift ring, every the telescopic link all overlaps outward and is equipped with the elasticity bellows, annular elastic tube fixed connection is at the opposite side of shift ring, annular elastic tube passes through miniature pipe intercommunication with a plurality of elasticity bellows.
In the lightning protection device for the blade of the wind driven generator, the connecting mechanism further comprises a limiting ring which is coaxially and fixedly connected to the fixed shaft and limits the sliding ring.
In foretell aerogenerator blade lightning protection device, still including the conduction mechanism, it is arranged in guaranteeing that blade tip and parallel mechanism normally switch on when the blade tip has the electric current in thunderstorm weather, the conduction mechanism is including setting up the slide cartridge at every blade tip, the slide cartridge cover is established at the blade tip, fixedly connected with limiting plate in the slide cartridge, port fixedly connected with switches on the electromagnetism conduction layer that is close to parallel mechanism and keeps away from parallel mechanism's fixed block on the slide cartridge, fixed mounting has the arrester on the fixed block.
In foretell aerogenerator blade lightning protection device, conduction mechanism still includes the movable plate of sliding connection at blade inner space tip, the last lateral wall fixedly connected with of movable plate leads to the pole, the other end of leading to the pole extend to the outside setting of blade and with limiting plate fixed connection.
In the lightning protection device for the wind driven generator blade, the electromagnetic conduction layer is obliquely arranged and matched with the inner side wall of the annular elastic pipe, and the fixing block is horizontally arranged.
In foretell aerogenerator blade lightning protection device, still include circuit mechanism, circuit mechanism is including setting up the leading wire of the inside ground connection of bracing piece, the one end of the inside wire of blade and the inside water conservancy diversion line of annular elastic tube all with leading wire coupling connection.
In the lightning protection device for the wind driven generator blade, the other end of the wire is coupled and connected with the plurality of lightning receptors through the conducting rod.
Compared with the prior art, the lightning protection device for the wind driven generator blade has the advantages that:
1. the motor among the actuating mechanism is in the non-starting state under normal conditions, when installing the thunder and lightning early warning monitor inside the controller and monitoring the environment in be about to have the thunder and lightning to produce, just can pass through controller starter motor, drives annular elastic tube and is close to the multi-disc blade, passes through the leading-in ground of the circuit in the annular elastic tube with the electric current of blade tip, has increased the route that switches on the circuit in the blade, effectively guarantees lightning-arrest effect.
2. The connecting mechanism is driven by the driving mechanism to move back and forth on the fixed shaft, so that inflation and deflation of the annular elastic tube can be realized, the annular elastic tube is expanded in volume in lightning weather so as to be more easily contacted with the end parts of the blades, and the annular elastic tube is small in volume due to the fact that gas is released in normal conditions, and wind resistance can be effectively reduced.
3. The conduction mechanism is provided with a sliding cylinder which can move along the direction of the blade, and the sliding cylinder can slide for a certain distance in the direction far away from the blade when the blade is struck by lightning, so that the contact with the annular elastic pipe is further ensured, and the effective conduction with the parallel mechanism is ensured.
Drawings
FIG. 1 is a first external structural diagram of a lightning protection device for a wind turbine blade according to the present invention;
FIG. 2 is a schematic diagram of an external structure of a lightning protection device for a wind turbine blade according to the present invention;
FIG. 3 is a schematic view of an internal structure of a lightning protection device for a wind turbine blade according to the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic structural diagram of a connection state of a spring and a magnetic conduction block in a lightning protection device for a wind turbine blade according to the present invention;
FIG. 6 is a circuit diagram of the interior of a lightning protection device for a wind turbine blade according to the present invention.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1-6, a lightning protection device for blades of a wind driven generator includes a vertically disposed support rod 1, a horizontally disposed fixing shaft 11 is fixedly connected to an upper end of the support rod 1, a coaxially disposed swivel 12 is sleeved on one end of the fixing shaft 11, the swivel 12 is rotatably connected to the fixing shaft 11, a plurality of blades 13 are fixedly connected to an outer side wall of the swivel 12, and a lead 14 is installed in each blade 13.
The parallel mechanism 2 is used for connecting the current at the end of the blade 13 to the main circuit in parallel through the standby circuit in thunderstorm weather, and as shown in fig. 6, the parallel mechanism includes a sliding ring 21 coaxially sleeved on the fixed shaft 11, and it should be noted that the connecting mechanism 4 further includes a limiting ring 45 coaxially and fixedly connected to the fixed shaft 11 for limiting the sliding ring 21, so as to limit the moving range of the sliding ring 21.
The slip ring 21 is connected with the annular elastic tube 22 through the connecting mechanism 4, specifically, the connecting mechanism 4 can connect the slip ring 21 with the annular elastic tube 22, the slip ring comprises a plurality of connecting rods 41 which are fixedly connected to the outer side wall of the slip ring 21 and are symmetrical and obliquely arranged relative to the axis center, the other ends of the connecting rods 41 are fixedly connected with a connecting ring 42, and the other side of the connecting ring 42 is provided with a moving ring 43 which is arranged in parallel with the connecting ring 42.
The connecting mechanism 4 is driven by the driving mechanism 3 to move back and forth on the fixed shaft 11, so that the annular elastic tube 22 can be inflated and deflated, the annular elastic tube 11 is expanded in volume in thunder and lightning weather to be more easily contacted with the end parts of the blades 13, and the annular elastic tube 22 is small in volume due to the fact that gas is released in normal conditions, and can effectively reduce wind resistance.
A plurality of telescopic rods are fixedly connected between the connecting ring 42 and the moving ring 43, each telescopic rod is externally sleeved with an elastic corrugated pipe 44, the elastic corrugated pipes 44 are made of common rubber materials and have elasticity, the telescopic rods are not shown in the drawing and mainly play a supporting role, the annular elastic pipe 22 is fixedly connected to the other side of the moving ring 43, the annular elastic pipe 22 is communicated with the elastic corrugated pipes 44 through miniature guide pipes, and the annular elastic pipe 22 and the elastic corrugated pipes 44 jointly form a closed space.
The inner side wall of the annular elastic tube 22 is connected with a plurality of magnetic conduction blocks 24 through a plurality of springs 23, each spring 23 is coupled with the corresponding magnetic conduction block 24, a diversion line 25 coupled with the plurality of magnetic conduction blocks 24 is installed in the annular elastic tube 22, it should be noted that the parallel mechanism 2 further comprises a sliding block 26 fixedly connected on the inner side wall of the sliding ring 21, a sliding groove 27 matched with the sliding block 26 is formed in the side wall of the fixed shaft 11, and the sliding block 26 is slidably connected with the sliding groove 27 to ensure the sliding direction of the sliding ring 21;
actuating mechanism 3 for move parallel mechanism 2 to switch on with blade 13 tip in thunderstorm weather, including fixed mounting at the epaxial motor 31 of fixed axle 11, the one end fixed mounting of fixed axle 11 has controller 32, and motor 31 and controller 32 coupled connection, the output fixed connection of motor 31 has the threaded rod 33 of level setting, and threaded rod 33 extends to and sets up in the slip ring 21 lateral wall, is equipped with the inside wall on the slip ring 21 lateral wall and offers the screwed through-hole, threaded rod 33 and through-hole threaded connection.
The motor 31 in the driving mechanism 3 is in a non-starting state under normal conditions, when the controller 32 detects that thunder and lightning are generated in the environment, the motor 31 is started to drive the annular elastic tube 22 to be close to the blades 13, the current at the end parts of the blades 13 is led into the ground through a circuit in the annular elastic tube 22, a path of a conducting circuit in the blades 13 is added, and the lightning protection effect is effectively guaranteed.
Still include conduction mechanism 5, it is used for guaranteeing blade 13 tip and parallel mechanism 2 and normally switches on when blade 13 tip has the electric current in the thunderstorm weather, and conduction mechanism 5 is including setting up the slide cartridge 51 at every blade 13 tip, and the slide cartridge 51 cover is established at blade 13 tip, fixedly connected with limiting plate 52 in the slide cartridge 51, slide cartridge 51 upper end mouth fixedly connected with is close to the electromagnetism conduction layer 53 of parallel mechanism 2 and is kept away from the fixed block 54 of parallel mechanism 2, and fixed mounting has the lightning receptor 55 on the fixed block 54.
The sliding cylinder 51 can slide a certain distance in the direction far away from the blade 13 when the blade 13 is struck by lightning, so as to further ensure the contact with the annular elastic tube 22, namely, ensure the effective conduction with the parallel mechanism, and keep a certain distance between the end part of the blade 13 and the annular elastic tube 22 under the normal condition, so as to avoid the contact between the blade 13 and the inner side wall of the annular elastic tube 22 to generate friction under the normal condition to influence the power generation function of the blade 13, namely, the parallel mechanism can be conducted when the two conditions of expansion of the annular elastic tube 22 and movement of the sliding cylinder 51 are both met, when the blade 13 is electrified, the current intensity can easily meet the two requirements, and when the blade 13 is started in normal weather, the blade 13 can be well ensured to normally work without interference.
It should be noted that the conduction mechanism 5 further includes a moving plate 56 slidably connected to the end portion of the internal space of the blade 13, the upper side wall of the moving plate 56 is fixedly connected with a conduction rod 57, the other end of the conduction rod 57 extends to the outside of the blade 13 and is fixedly connected with the limiting plate 52, it is worth mentioning that the electromagnetic conduction layer 53 is obliquely arranged and is matched with the inner side wall of the annular elastic tube 22, and the fixing block 54 is horizontally arranged and can be more attached to the inner side wall of the annular elastic tube 22.
The lightning arrester further comprises a circuit mechanism, wherein the circuit mechanism 6 comprises a main conductor which is arranged inside the supporting rod 1 and is grounded, one ends of a conductor 14 inside the blade 13 and one end of a conductor 25 inside the annular elastic tube 22 are both coupled with the main conductor, and the other end of the conductor 14 is coupled with the lightning receptors 55 through a conducting rod 57.
When the lightning early warning monitor arranged in the controller 32 monitors that lightning is about to be generated in the environment, the motor 31 is started through the controller 32 to drive the threaded rod 33 to rotate, the rotating threaded rod 33 drives the sliding ring 21 to slide towards the blades 13, and the connecting rings 42 fixedly connected with the sliding ring 21 through the connecting rods 41 can extrude the elastic corrugated pipes 44.
The gas in the elastic corrugated pipes 44 is extruded into the annular elastic pipe 22 on the other side of the moving ring 43 to be expanded, the annular elastic pipe 22 is expanded in volume in lightning weather to be closer to the blades 13 and is easier to contact with the end parts of the blades 13, when the magnetic conducting blocks 24 on the inner side wall of the annular elastic pipe 22 are conducted with the guide lines 25 in the annular elastic pipe 22 through the springs 23 along with the expansion of the annular elastic pipe 22, the current on the blades 13 can be led away, and the springs 23 can ensure good contact with the blades 13 when the blades 13 are unstable in the rotating process, so that the conducting effect is ensured.
When lightning is conducted on the lightning receptor 55 at the end of the blade 13, the electromagnetic conducting layer 53 at the upper end of the sliding cylinder 51 is instantly electrified to generate magnetism, so that the plurality of magnetic conducting blocks 24 are adsorbed to the surface of the annular elastic tube 22 under the action of attractive force, and the parallel mechanism is conducted, as shown in fig. 6, at the moment, two circuits are conducted, and the lightning protection effect can be effectively ensured.
In the present invention, unless otherwise specifically stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood broadly, and may be, for example, welded, bolted, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a aerogenerator blade lightning protection device, includes bracing piece (1) of vertical setting, bracing piece (1) upper end fixed connection has fixed axle (11) that the level set up, the pot head of fixed axle (11) is equipped with swivel (12) of coaxial setting, swivel (12) rotate with fixed axle (11) and are connected, swivel (12) lateral wall fixedly connected with multi-disc blade (13), every all install wire (14), its characterized in that in blade (13):
the parallel mechanism (2) is used for connecting the current at the end part of the blade (13) to a main circuit in parallel through a standby circuit in thunderstorm weather, and comprises a sliding ring (21) coaxially sleeved on a fixed shaft (11), the sliding ring (21) is connected with an annular elastic tube (22) through a connecting mechanism (4), the inner side wall of the annular elastic tube (22) is connected with a plurality of magnetic conduction blocks (24) through a plurality of springs (23), each spring (23) is in coupling connection with the corresponding magnetic conduction block (24), and a guide line (25) in coupling connection with the plurality of magnetic conduction blocks (24) is installed in the annular elastic tube (22);
actuating mechanism (3) for move parallel mechanism (2) to switch on with blade (13) tip in thunderstorm weather, including motor (31) of fixed mounting on fixed axle (11), the one end fixed mounting of fixed axle (11) has controller (32), motor (31) and controller (32) coupling are connected, the output fixed connection of motor (31) has threaded rod (33) that the level set up, threaded rod (33) extend to and set up in slip ring (21) lateral wall, be equipped with the inside wall on slip ring (21) lateral wall and set up the screwed through-hole, threaded rod (33) and through-hole threaded connection.
2. The lightning protection device for the blade of the wind driven generator as claimed in claim 1, wherein: parallel mechanism (2) still include sliding block (26) on fixed connection slip ring (21) inside wall, set up sliding tray (27) that set up with sliding block (26) matching on fixed axle (11) lateral wall, sliding block (26) and sliding tray (27) sliding connection.
3. The lightning protection device for the blade of the wind driven generator as claimed in claim 2, wherein: coupling mechanism (4) can be connected slip ring (21) and annular elastic tube (22), including many connecting rods (41) that fixed connection set up about its axis centrosymmetry and slope on slip ring (21) lateral wall, many the common fixedly connected with go-between (42) of the other end of connecting rod (41), the opposite side of go-between (42) is equipped with shift ring (43) rather than parallel arrangement, many telescopic links of fixedly connected with between go-between (42) and shift ring (43), every the telescopic link all overlaps outward and is equipped with elastic bellows (44), annular elastic tube (22) fixed connection is at the opposite side of shift ring (43), annular elastic tube (22) and a plurality of elastic bellows (44) are through miniature pipe intercommunication.
4. The lightning protection device for the blade of the wind driven generator as claimed in claim 3, wherein: the connecting mechanism (4) further comprises a limiting ring (45) which is coaxially and fixedly connected on the fixed shaft (11) and limits the sliding ring (21).
5. The lightning protection device for the blade of the wind driven generator as claimed in claim 4, wherein: still including conduction mechanism (5), it is used for guaranteeing blade (13) tip and parallel mechanism (2) and normally switches on when blade (13) tip has the electric current in thunderstorm weather, conduction mechanism (5) is including setting up slide cartridge (51) at every blade (13) tip, slide cartridge (51) cover is established at blade (13) tip, fixedly connected with limiting plate (52) in slide cartridge (51), slide cartridge (51) upper end mouth fixedly connected with is close to electromagnetic conduction layer (53) of parallel mechanism (2) and keeps away from fixed block (54) of parallel mechanism (2), fixed mounting has lightning receptor (55) on fixed block (54).
6. The lightning protection device for the blade of the wind driven generator as claimed in claim 5, wherein: conduction-structure (5) still include movable plate (56) of sliding connection at blade (13) inner space tip, the last lateral wall fixedly connected with of movable plate (56) leads pole (57), the other end of leading pole (57) extends to blade (13) outside setting and with limiting plate (52) fixed connection.
7. The lightning protection device for the blade of the wind driven generator as claimed in claim 6, wherein: the electromagnetic conduction layer (53) is obliquely arranged and matched with the inner side wall of the annular elastic pipe (22), and the fixing block (54) is horizontally arranged.
8. The lightning protection device for the blade of the wind driven generator as claimed in claim 7, wherein: the novel blade support structure is characterized by further comprising a circuit mechanism, wherein the circuit mechanism (6) comprises a main conductor which is arranged inside the support rod (1) and is grounded, and one ends of a conducting wire (14) inside the blade (13) and one ends of a flow guide wire (25) inside the annular elastic tube (22) are connected with the main conductor in a coupling mode.
9. The lightning protection device for the blade of the wind driven generator as claimed in claim 8, wherein: the other end of the lead (14) is coupled and connected with a plurality of lightning receptors (55) through a conducting rod (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110782070.7A CN113309676B (en) | 2021-07-12 | 2021-07-12 | Lightning protection device for wind driven generator blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110782070.7A CN113309676B (en) | 2021-07-12 | 2021-07-12 | Lightning protection device for wind driven generator blade |
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| Publication Number | Publication Date |
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| CN113309676A true CN113309676A (en) | 2021-08-27 |
| CN113309676B CN113309676B (en) | 2021-12-07 |
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| CN202110782070.7A Active CN113309676B (en) | 2021-07-12 | 2021-07-12 | Lightning protection device for wind driven generator blade |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7377750B1 (en) * | 2004-03-19 | 2008-05-27 | Northern Power Systems, Inc. | Lightning protection system for a wind turbine |
| US20110140724A1 (en) * | 2010-11-29 | 2011-06-16 | General Electric Company | System and method for performing a continuity test on a lightning conduction system of a wind turbine |
| CN102767487A (en) * | 2011-05-03 | 2012-11-07 | 西门子公司 | Lightning protection system for a wind turbine and method for protecting components of a wind turbine against lightning strikes |
| KR20180061924A (en) * | 2016-11-30 | 2018-06-08 | 두산중공업 주식회사 | Carbon blade for wind power generator with multi-down conductor. |
| CN209045971U (en) * | 2018-12-12 | 2019-06-28 | 新疆金风科技股份有限公司 | Collector ring component and wind power generating set |
| CN210829613U (en) * | 2019-11-14 | 2020-06-23 | 金欣 | Blade lightning protection device of wind power generation equipment |
| 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 |
-
2021
- 2021-07-12 CN CN202110782070.7A patent/CN113309676B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7377750B1 (en) * | 2004-03-19 | 2008-05-27 | Northern Power Systems, Inc. | Lightning protection system for a wind turbine |
| US20110140724A1 (en) * | 2010-11-29 | 2011-06-16 | General Electric Company | System and method for performing a continuity test on a lightning conduction system of a wind turbine |
| CN102767487A (en) * | 2011-05-03 | 2012-11-07 | 西门子公司 | Lightning protection system for a wind turbine and method for protecting components of a wind turbine against lightning strikes |
| KR20180061924A (en) * | 2016-11-30 | 2018-06-08 | 두산중공업 주식회사 | Carbon blade for wind power generator with multi-down conductor. |
| CN209045971U (en) * | 2018-12-12 | 2019-06-28 | 新疆金风科技股份有限公司 | Collector ring component and wind power generating set |
| CN210829613U (en) * | 2019-11-14 | 2020-06-23 | 金欣 | Blade lightning protection device of wind power generation equipment |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN113309676B (en) | 2021-12-07 |
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