CN103352808A - Fan hub lightning guiding wire connecting method and lightning guiding system - Google Patents
Fan hub lightning guiding wire connecting method and lightning guiding system Download PDFInfo
- Publication number
- CN103352808A CN103352808A CN2013103204379A CN201310320437A CN103352808A CN 103352808 A CN103352808 A CN 103352808A CN 2013103204379 A CN2013103204379 A CN 2013103204379A CN 201310320437 A CN201310320437 A CN 201310320437A CN 103352808 A CN103352808 A CN 103352808A
- Authority
- CN
- China
- Prior art keywords
- thunder
- thunder wire
- draws
- wire
- draw
- 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.)
- Granted
Links
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a fan hub lightning guiding wire connecting method and a lighting guiding system. The fan hub lightning guiding wire connecting method is characterized in that a fan hub lightning guiding wire is divided into two parts, one part is a lightning guiding wire connection installation plate which is of a rigid structure, the other part is a soft lightning guiding wire which is of a soft structure, the lightning guiding wire connection installation plate and the soft lightning guiding wire form the semi-rigid composite type fan hub lightning guiding wire in a combined mode, the semi-rigid composite type fan hub lightning guiding wire is respectively installed on a manhole plate of the blade end and a hub support, and therefore fan hub lightning guiding wire system is formed.
Description
Technical field
The present invention relates to a kind of blower fan protecting method and device, be particularly related to a kind of axial fan hub and draw thunder wire fixed connection method and system and device, the lightning current that mainly is adapted to fan blade is connect sudden strain of a muscle is directed to wheel hub, by wheel hub and other passage lightning current is directed to the earth again, thereby prevents that pitch variable bearings from damaging because of lightning current.
Background technique
Because wind power generating set generally all is provided in a side of on the relatively spacious or higher geographical position, so very easily be subjected to thunderbolt, therefore in wind power generating set, all can take corresponding lightning protection means, prevent thunderbolt.The wind generator unit wheel hub lightning-protection system is exactly wherein a part of; In the existing wind generator unit wheel hub lightning-protection system, need to adopt to be fixed on and draw the thunder wire between blade end and the hub end, the lightning current that fan blade is connect sudden strain of a muscle is directed to wheel hub, by wheel hub and other passage lightning current is directed to the earth again, thereby prevents that pitch variable bearings from damaging because of lightning current.But because blower fan usually need become oar, how reliably, effectively, for good and all wheel hub also ceaselessly is being rotated round main shaft simultaneously, be fixed on blade end and hub end so will draw the thunder wire, is a very difficult problem, this problem is badly in need of solving.
In the existing wind generator unit wheel hub lightning-protection system; draw the thunder wire fixing method as follows: draw the thunder wire and must and be fixed on wire rope between blade end and the hub end or other Flexible elements (such as motorcycle bundling strap, spring etc.) and be fixed; allow wire rope or Flexible element bear the weight of drawing the thunder wire, cause damage thereby protect the pressure connection terminal that draws the thunder wire to be unlikely because drawing the deadweight of thunder wire.There is larger problem in this thunder wire means of fixation of drawing.Because be fixed on wire rope or Flexible element between blade end and the hub end, if stretch tight too tightly, the huge moment of torsion that produces in the vane propeller-changing process can directly twist off wire rope or Flexible element because not discharging surplus.If the wire rope or the Flexible element fitting allowance that are fixed between blade end and the hub end are too large, then can cause wheel hub around the main shaft rotation time, wire rope or Flexible element be play up and down, and the thunder wire that draws fixed thereon is produced a larger pulling force, causes drawing the thunder wire fracture.Therefore be necessary this is improved.
Find some are arranged about the patent of wind-powered electricity generation unit lightning protection by the Searches of Patent Literature, have mainly containing of certain relation following with the present invention:
1, the patent No. is CN200920245921.9, and name is called the utility model patent of " a kind of lightning protection device of blade hub of wind driven generator ", and this patent discloses a kind of blade wheel hub lighting protection device, comprises connecting plate, nylon sheet and copper rod; Described connecting plate one end is provided with two or more copper strips clamping bolts; The described connecting plate the other end is fixed on the nylon sheet intermediate portion; Described nylon sheet two ends are provided with the copper strips clamping bolt; Be provided with copper rod on the described copper strips clamping bolt.Described connecting plate intermediate portion camber or protruding structure.This device couples together blade and wheel hub by a support.This support is installed in 0 ° of position that established angle is relative 180 ° on the blade adpting flange.By being bolted on the flange inner ring of two M12.
2, the patent No. is CN201220037810.0, name is called the utility model patent of " a kind of compound grounding-for-lightning device of wind power generating set ", this patent discloses a kind of compound grounding-for-lightning device of wind power generating set, comprise the conductive earthing ring, vertical grounding electrode, zona radiata, it is characterized in that at the blower foundation outward edge one circle horizontal grounding ring being set, many places are connected between horizontal grounding ring and the blower foundation ring, at the horizontal grounding ring vertical grounding electrode is set, and two zona radiatas that connect the horizontal grounding ring, the compound grounded screen that looping combines with radiation is set along near the road both sides blower fan.
3, the patent No. is CN200710191677.8, name is called the patent of invention of " wind power generation lightning protection system ", this patent discloses a kind of lightening arresting method of wind-power electricity generation, comprise blade, cable, it is characterized in that reducing and hit the object structures internal driving, form over the ground path and just can exempt from thunderbolt destruction, in blade top airfoil composite material, add the carbon fiber with excellent conductive performance and light specific gravity, and fill an arrester at the blade tip position, be connected with blade flange by cable, form lightning channel (can not reach the conduction requirement if rotate the partially conductive performance in the passage, can install conducting slip ring additional and solve) by wheel hub by the access of the ground wire in pylon earth mat again, when thunder and lightning hits blade, powerful lightning current spews out into the earth by lightning channel, reaches lightning-arrest effect, and do not cause blade and other equipment is not caused damage, in fact blade has become thunder-inducing needle, thunder and lightning is on every side attracted and discharging in advance, thereby improve the reliability of fan operation and prolong leaf longevity, reduce the risk.
Although above-mentioned these patents have all related to the Lightning Protection of wind power generating set, but also do not find the bibliographical information about special wind generator unit wheel hub lightning protection, even if although first patent has been mentioned " wheel hub ", but reading over the document finds really to solve the wind generator unit wheel hub Lightning Protection, so do not have the special improvement idea that proposes for the existing problem of wind generator unit wheel hub lightning-protection system yet, therefore necessary this improved.
Summary of the invention
The object of the invention is for the existing some shortcomings of wind generator unit wheel hub lightning protection, a kind of new wind generator unit wheel hub lightening arresting method and device are proposed, utilize the method and device reliably, effectively, for good and all will draw the thunder wire and be fixed on blade end and hub end, also can effectively solve the series of problems that draws the generation of thunder wire that existing wire rope connects.
Goal of the invention of the present invention realizes by the following method: a kind of axial fan hub draws the connecting means of thunder wire, axial fan hub is drawn the thunder wire be divided into two-part, wherein a part is drawn thunder wire connection plate for rigid construction, another part is that the softness of flexible structure is drawn the thunder wire, by drawing thunder wire connection plate and soft draw the semi-rigid compound axial fan hub that the thunder wire is combined to form and draw the thunder wire, again this semi-rigid compound axial fan hub is drawn the thunder wire and be installed in respectively on blade end cover plate for manhole and the wheel hub holder, form axial fan hub and draw thunder wire connected system.
Further, the thunder wire connection plate that draws of described rigid construction is to be connected to softness to draw between thunder wire and the blade end cover plate for manhole, softness is drawn the thunder wire and is linked together with the thunder wire connection plate that draws of rigid construction first, again by rigid construction draw thunder wire connection plate and the blade end cover plate for manhole couples together; And softness is drawn the thunder wire and the wheel hub holder is direct-connected.
Further, described rigid construction draw thunder wire connection plate after complete with the connection of blade end cover plate for manhole, should leave the gap of 1-500mm between its lower end surface and the wheel hub holder.
Further, the thunder wire connection plate that draws of described rigid construction connects by a blade root and dodges base and be connected with the blade end cover plate for manhole.
Further, described rigid construction to draw thunder wire connection plate be to be connected to two that softness is drawn the thunder wire, the end that softness is drawn the thunder wire links together with the thunder wire connection plate that draws of a rigid construction first, again by rigid construction draw thunder wire connection plate and the blade end cover plate for manhole couples together; And softness is drawn the end elder generation of thunder wire and the thunder wire connection plate that draws of another piece rigid construction links together, and couples together with the wheel hub holder again.
Further, described axial fan hub draws the concrete Connection Step of the connecting means of thunder wire and is:
D. draw thunder wire connection plate and the softness of rigid construction are drawn the thunder wire and coupled together, and be fixed together by fastening piece, be combined to form semi-rigid compound axial fan hub and draw the thunder wire;
E. more semi-rigid compound axial fan hub being drawn the thunder wire is connected with the blade end cover plate for manhole, and guarantee that semi-rigid compound axial fan hub draws the thunder wire after the blade end cover plate for manhole installs, should leave the gap of 1-500mm between its lower end surface and the wheel hub holder;
F. semi-rigid compound axial fan hub is drawn the thunder wire and couple together with the wheel hub holder, and the formation axial fan hub draws the thunder wiring system after fixing by fastening piece.
The axial fan hub that draws the connecting means of thunder wire according to above-mentioned axial fan hub draws the thunder wiring system, comprise that a flexibility draws the thunder wire, flexibility draw the thunder wire have at least one be connected with a rigid construction draw thunder wire connection plate, flexibility is drawn the thunder wire and is combined to form semi-rigid compound axial fan hub and draws the thunder wire with the thunder wire connection plate that draws of rigid construction, semi-rigid compound axial fan hub draw the thunder wire more respectively with the blade end cover plate for manhole be connected hub holder and be connected, form axial fan hub and draw the thunder wiring system.
Further, the thunder wire connection plate that draws of described rigid construction is to be connected to softness to draw between thunder wire and the blade end cover plate for manhole, softness is drawn the thunder wire and is linked together with the thunder wire connection plate that draws of rigid construction first, again by rigid construction draw thunder wire connection plate and the blade end cover plate for manhole couples together; And softness is drawn the thunder wire and the wheel hub holder is direct-connected.
Further, described rigid construction draw thunder wire connection plate after complete with the connection of blade end cover plate for manhole, should leave the gap of 1-500mm between its lower end surface and the wheel hub holder.
Further, the thunder wire connection plate that draws of described rigid construction connects by a blade root and dodges base and be connected with the blade end cover plate for manhole.
Further, described rigid construction to draw thunder wire connection plate be to be connected to two that softness is drawn the thunder wire, the end that softness is drawn the thunder wire links together with the thunder wire connection plate that draws of a rigid construction first, again by rigid construction draw thunder wire connection plate and the blade end cover plate for manhole couples together; And soft draw a end that thunder wire softness draws the thunder wire and link together with the thunder wire connection plate that draws of another piece rigid construction first, couple together with the wheel hub holder again.
The employing that the present invention proposes is by drawing thunder wire connection plate and softly drawing semi-rigid compound axial fan hub that the thunder wire is combined to form and draw the thunder wire and draw the thunder wire as axial fan hub, wire rope or the Flexible element of having avoided old-fashioned wheel hub to draw in the thunder wire means of fixation assemble drawback---and be the too tight of wire rope or Flexible element assembling, in the blower variable-pitch process, because the high pulling torque that the relative rotation at wire rope or Flexible element two ends produces does not have surplus to discharge, cause wire rope or Flexible element are twisted off.If wire rope or Flexible element fitting allowance are too large, then rotate around the spindle in the process at wheel hub, wire rope or Flexible element be play up and down, thereby the thunder wire that draws fixed thereon is produced a pulling force, the destruction that causes drawing the thunder wire.The present invention has well evaded this two problems, because two ends of the present invention are is rigidly connected, so when wheel hub rotates around main shaft, do not have up and down play, also namely can not produce pulling force to the thunder wire that draws fixed thereon.Secondly, will draw the thunder wire is fixed between hub end and two of blade end be rigidly connected.Like this, when blower variable-pitch, be flexible body owing to drawing that the thunder wire leaves surplus and draw the thunder wire, so that the high pulling torque that the rotation between blade end and the hub end produces has obtained good release, draw the thunder wire thereby protected, unlikelyly cause fracture.
Description of drawings
Fig. 1 is that existing axial fan hub draws thunder wiring system structural representation;
Fig. 2 is one embodiment of the present of invention structural representations;
Fig. 3 is an alternative embodiment of the invention structural representation.
Among the figure, 1, cover plate for manhole, 2, blade root connects the sudden strain of a muscle base, 3, fixing bolt, 4, the blade end mounting plate, 5, draw the thunder wire, 6, wire clamp, 7, band, 8, the wheel hub holder.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples.
Attached Fig. 1 and 2 has provided two specific embodiments of the present invention, can find out from accompanying drawing and the present invention relates to the connecting means that a kind of axial fan hub draws the thunder wire, axial fan hub is drawn the thunder wire be divided into two-part, wherein a part is drawn thunder wire connection plate for rigid construction, another part is that the softness of flexible structure is drawn the thunder wire, by drawing thunder wire connection plate and soft draw the semi-rigid compound axial fan hub that the thunder wire is combined to form and draw the thunder wire, again this semi-rigid compound axial fan hub is drawn the thunder wire and be installed in respectively on blade end cover plate for manhole and the wheel hub holder, form axial fan hub and draw thunder wire connected system.
Further, the thunder wire connection plate that draws of described rigid construction is to be connected to softness to draw between thunder wire and the blade end cover plate for manhole, softness is drawn the thunder wire and is linked together with the thunder wire connection plate that draws of rigid construction first, again by rigid construction draw thunder wire connection plate and the blade end cover plate for manhole couples together; And softness is drawn the thunder wire and the wheel hub holder is direct-connected.
Further, described rigid construction draw thunder wire connection plate after complete with the connection of blade end cover plate for manhole, should leave the gap of 1-500mm between its lower end surface and the wheel hub holder.
Further, the thunder wire connection plate that draws of described rigid construction connects by a blade root and dodges base and be connected with the blade end cover plate for manhole.
Further, described rigid construction to draw thunder wire connection plate be to be connected to two that softness is drawn the thunder wire, the end that softness is drawn the thunder wire links together with the thunder wire connection plate that draws of a rigid construction first, again by rigid construction draw thunder wire connection plate and the blade end cover plate for manhole couples together; And soft draw a end that thunder wire softness draws the thunder wire and link together with the thunder wire connection plate that draws of another piece rigid construction first, couple together with the wheel hub holder again.
Further, described axial fan hub draws the concrete Connection Step of the connecting means of thunder wire and is:
G. draw thunder wire connection plate and the softness of rigid construction are drawn the thunder wire and coupled together, and be fixed together by fastening piece, be combined to form semi-rigid compound axial fan hub and draw the thunder wire;
H. more semi-rigid compound axial fan hub being drawn the thunder wire is connected with the blade end cover plate for manhole, and guarantee that semi-rigid compound axial fan hub draws the thunder wire after the blade end cover plate for manhole installs, should leave the gap of 1-500mm between its lower end surface and the wheel hub holder;
I. semi-rigid compound axial fan hub is drawn the thunder wire and couple together with the wheel hub holder, and the formation axial fan hub draws the thunder wiring system after fixing by fastening piece.
The axial fan hub that draws the connecting means of thunder wire according to above-mentioned axial fan hub draws the thunder wiring system, comprise that a flexibility draws the thunder wire, flexibility draw the thunder wire have at least one be connected with a rigid construction draw thunder wire connection plate, flexibility is drawn the thunder wire and is combined to form semi-rigid compound axial fan hub and draws the thunder wire with the thunder wire connection plate that draws of rigid construction, semi-rigid compound axial fan hub draw the thunder wire more respectively with the blade end cover plate for manhole be connected hub holder and be connected, form axial fan hub and draw the thunder wiring system.
Further, the thunder wire connection plate that draws of described rigid construction is to be connected to softness to draw between thunder wire and the blade end cover plate for manhole, softness is drawn the thunder wire and is linked together with the thunder wire connection plate that draws of rigid construction first, again by rigid construction draw thunder wire connection plate and the blade end cover plate for manhole couples together; And softness is drawn the thunder wire and the wheel hub holder is direct-connected.
Further, described rigid construction draw thunder wire connection plate after complete with the connection of blade end cover plate for manhole, should leave the gap of 1-500mm between its lower end surface and the wheel hub holder.
Further, the thunder wire connection plate that draws of described rigid construction connects by a blade root and dodges base and be connected with the blade end cover plate for manhole.
Further, described rigid construction to draw thunder wire connection plate be to be connected to two that softness is drawn the thunder wire, the end that softness is drawn the thunder wire links together with the thunder wire connection plate that draws of a rigid construction first, again by rigid construction draw thunder wire connection plate and the blade end cover plate for manhole couples together; And soft draw a end that thunder wire softness draws the thunder wire and link together with the thunder wire connection plate that draws of another piece rigid construction first, couple together with the wheel hub holder again.
Embodiment one
A kind of axial fan hub draws the thunder wiring system, comprise a blade root connect dodge base 2, blade end mounting plate 4, fixing bolt 3, wheel hub holder 9, one draw thunder wire 5 and wire clamp 6; Wherein, blade root connects and dodges base 2 and be fixed on the blade end cover plate for manhole 1 by fixing bolt; The cross section of blade end mounting plate 4 is " L " shape, is convenient to like this improve the intensity of blade end mounting plate, also is convenient to install the dependence that the location is arranged when drawing thunder wire 5; Blade end mounting plate 4 is fixed on blade root by fastening piece 3 and connects on the sudden strain of a muscle base 2, blade end mounting plate 4 blade root connect dodge base 2 and install after, blade root being connect sudden strain of a muscle base 2 is connected on the blade end cover plate for manhole 1 again, and guarantee to leave between blade end mounting plate 4 lower end surfaces and the upper-end surface of taking turns hub holder 9 gap (A size in the accompanying drawing 2) of 1-500mm, this gap has guaranteed when blower variable-pitch, when blade end mounting plate 4 produced relative rotation with wheel hub holder 9, blade end mounting plate 4 lower end surfaces can not interfered with wheel hub holder 9; Wheel hub holder 9 is fixed on the wheel hub by wheel hub fastener.An end that draws thunder wire 5 is fixed on the blade end mounting plate 4 by wire clamp 6, the other end that draws thunder wire 5 is fixed on the wheel hub holder 9 by wheel hub wire clamp 8, and a closing in arranged in the lower end of blade end mounting plate 4, form a groove, draw thunder wire 5 through closing in the time, further be bundled in the lower end surface part of blade end mounting plate 4 by band 7, form stable binding structure, the weight that has guaranteed like this to draw the thunder wire is all born by wheel hub holder and blade end mounting plate, and when blower variable-pitch causes drawing the thunder wire and reverses, draw the thunder wire only between band and wire clamp part stressed, weak pressure connection terminal can be not stressed.The part between the hub holder 9 should leave the surplus (B size in the accompanying drawing 2) of 1-500mm at blade end mounting plate 4 and wheel to draw thunder wire 5, this surplus has guaranteed in the blower variable-pitch process, draws the thunder wire and can not rupture because of the relative rotation between wheel hub holder and the blade end mounting plate.Simultaneously, when wheel hub rotates around main shaft, because wheel hub holder and wheel hub, blade end mounting plate and blade root connect the sudden strain of a muscle base, and the blade end cover plate for manhole all is rigidly connected, there is not up and down play, the thunder wire that draws that is fixed thereon is not had pulling force, reliably, effectively, for good and all be fixed between blade end mounting plate and the wheel hub holder so that draw the thunder wire, thereby between fan blade end and hub end, formed reliable current path.
Concrete installation method is:
1. blade root being connect the sudden strain of a muscle base is fixed on the blade end cover plate for manhole with fixing bolt (containing plain cushion, bullet pad);
2. the blade end mounting plate being fixed on blade root with fixing bolt (containing plain cushion, bullet pad) connects on the sudden strain of a muscle base (perhaps directly being fixed on the blade end cover plate for manhole);
3. will take turns hub holder is fixed on the wheel hub with fixing bolt (containing plain cushion, bullet pad);
4. will draw the thunder wire is separately fixed on wheel hub holder and the blade end mounting plate with fixing bolt (containing plain cushion, bullet pad);
5. will draw the thunder wire is pressed on respectively on wheel hub holder and the blade end mounting plate with wire clamp;
6. will draw the thunder wire with band is fixed on the blade end mounting plate reliably.
Embodiment two
Embodiment two principle is identical with embodiment one, therefore following is concisely introduced this embodiment.A kind of axial fan hub draws the thunder wiring system, comprise a blade root connect dodge base 202, blade end mounting plate 204, fixing bolt 203, wheel hub holder 209, one draw thunder wire 205 and wire clamp 206; Wherein, blade root connects and dodges base 202 and be fixed on the blade end cover plate for manhole 201 by fixing bolt; An end that draws thunder wire 205 is fixed on the blade end mounting plate 204 by wire clamp 206, the other end that draws thunder wire 205 is fixed on the wheel hub holder 209 by wheel hub wire clamp 208, and a closing in arranged in the lower end of blade end mounting plate 204, form a groove, draw thunder wire 205 through closing in the time, further be bundled in the lower end surface part of blade end mounting plate 204 by band 207, form stable binding structure; Difference is, on wheel hub holder 209 a wheel hub bracket end mounting plate 210(wheel hub bracket end mounting plate length being installed also can choose arbitrarily according to field condition), and blade end mounting plate 204 length are reduced, so that blade end mounting plate 204 blade root connect dodge base (perhaps blade end cover plate for manhole) and install after, 1-500mm gap (A size in the accompanying drawing 3) is arranged between blade end mounting plate 204 lower end surfaces and wheel hub bracket end mounting plate 210 upper-end surfaces.The effect of this gap also is in order to guarantee in the blower variable-pitch process, and when wheel hub bracket end mounting plate 210 produced relative rotation with blade end mounting plate 204, two plates were unlikely the generation interference.To draw thunder wire 205 is separately fixed on wheel hub bracket end mounting plate 210 and the blade end mounting plate 204 again.Same, drawing thunder wire 205 also needs with wire clamp 208 fixing on wheel hub bracket end mounting plate 210, and at the upper end-hole position of wheel hub bracket end mounting plate 210 closing in is arranged, form a groove, draw thunder wire 205 through closing in the time, further be bundled in the upper-end surface part of wheel hub bracket end mounting plate 210 by band 211, form stable binding structure, band and be fixed.At last, draw the surplus (B size in the accompanying drawing 3) that part between the thunder wire 205 should leave 1-500mm.This surplus has guaranteed that blower fan in becoming the oar process, draws the thunder wire and can not rupture because of the relative rotation between wheel hub bracket end mounting plate and the blade end mounting plate.
Claims (10)
1. connecting means that axial fan hub draws the thunder wire, it is characterized in that, axial fan hub is drawn the thunder wire be divided into two-part, wherein a part is drawn thunder wire connection plate for rigid construction, another part is that the softness of flexible structure is drawn the thunder wire, by drawing thunder wire connection plate and soft draw the semi-rigid compound axial fan hub that the thunder wire is combined to form and draw the thunder wire, again this semi-rigid compound axial fan hub is drawn the thunder wire and be installed in respectively on blade end cover plate for manhole and the wheel hub holder, form axial fan hub and draw thunder wire connected system.
2. axial fan hub as claimed in claim 1 draws the connecting means of thunder wire, it is characterized in that, the thunder wire connection plate that draws of described rigid construction is to be connected to softness to draw between thunder wire and the blade end cover plate for manhole, softness is drawn the thunder wire and is linked together with the thunder wire connection plate that draws of rigid construction first, again by rigid construction draw thunder wire connection plate and the blade end cover plate for manhole couples together; And softness is drawn the thunder wire and the wheel hub holder is direct-connected.
3. axial fan hub as claimed in claim 2 draws the connecting means of thunder wire, it is characterized in that, described rigid construction draw thunder wire connection plate after complete with the connection of blade end cover plate for manhole, should leave the gap of 1-500mm between its lower end surface and the wheel hub holder.
4. axial fan hub as claimed in claim 1 draws the connecting means of thunder wire, it is characterized in that, the thunder wire connection plate that draws of described rigid construction connects by a blade root and dodges base and be connected with the blade end cover plate for manhole.
5. axial fan hub as claimed in claim 1 draws the connecting means of thunder wire, it is characterized in that, described rigid construction to draw thunder wire connection plate be to be connected to two that softness is drawn the thunder wire, the end that softness is drawn the thunder wire links together with the thunder wire connection plate that draws of a rigid construction first, again by rigid construction draw thunder wire connection plate and the blade end cover plate for manhole couples together; And softness is drawn the end elder generation of thunder wire and the thunder wire connection plate that draws of another piece rigid construction links together, and couples together with the wheel hub holder again.
6. axial fan hub as claimed in claim 1 draws the connecting means of thunder wire, it is characterized in that, the concrete Connection Step that described axial fan hub draws the connecting means of thunder wire is:
A. draw thunder wire connection plate and the softness of rigid construction are drawn the thunder wire and coupled together, and be fixed together by fastening piece, be combined to form semi-rigid compound axial fan hub and draw the thunder wire;
B. more semi-rigid compound axial fan hub being drawn the thunder wire is connected with the blade end cover plate for manhole, and guarantee that semi-rigid compound axial fan hub draws the thunder wire after the blade end cover plate for manhole installs, should leave the gap of 1-500mm between its lower end surface and the wheel hub holder;
C. semi-rigid compound axial fan hub is drawn the thunder wire and couple together with the wheel hub holder, and the formation axial fan hub draws the thunder wiring system after fixing by fastening piece.
7. the described axial fan hub axial fan hub that draws the thunder electric wire connection method draws the thunder wiring system according to claim 1, comprise that a flexibility draws the thunder wire, it is characterized in that, flexibility draw the thunder wire have at least one be connected with a rigid construction draw thunder wire connection plate, flexibility is drawn the thunder wire and is combined to form semi-rigid compound axial fan hub and draws the thunder wire with the thunder wire connection plate that draws of rigid construction, semi-rigid compound axial fan hub draw the thunder wire more respectively with the blade end cover plate for manhole be connected hub holder and be connected, form axial fan hub and draw the thunder wiring system.
8. axial fan hub as claimed in claim 7 draws the thunder wiring system, it is characterized in that, the thunder wire connection plate that draws of described rigid construction is to be connected to softness to draw between thunder wire and the blade end cover plate for manhole, softness is drawn the thunder wire and is linked together with the thunder wire connection plate that draws of rigid construction first, again by rigid construction draw thunder wire connection plate and the blade end cover plate for manhole couples together; And softness is drawn the thunder wire and the wheel hub holder is direct-connected.
9. axial fan hub as claimed in claim 8 draws the thunder wiring system, it is characterized in that, described rigid construction draw thunder wire connection plate after complete with the connection of blade end cover plate for manhole, should leave the gap of 1-500mm between its lower end surface and the wheel hub holder.
10. axial fan hub as claimed in claim 7 draws the thunder wiring system, it is characterized in that, the thunder wire connection plate that draws of described rigid construction connects by a blade root and dodges base and be connected with the blade end cover plate for manhole; Described rigid construction to draw thunder wire connection plate be to be connected to two that softness is drawn the thunder wire, the end that softness is drawn the thunder wire links together with the thunder wire connection plate that draws of a rigid construction first, again by rigid construction draw thunder wire connection plate and the blade end cover plate for manhole couples together; And soft draw a end that thunder wire softness draws the thunder wire and link together with the thunder wire connection plate that draws of another piece rigid construction first, couple together with the wheel hub holder again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320437.9A CN103352808B (en) | 2013-07-29 | 2013-07-29 | A kind of axial fan hub draws the connecting means of thunder wire and draws thunder wiring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320437.9A CN103352808B (en) | 2013-07-29 | 2013-07-29 | A kind of axial fan hub draws the connecting means of thunder wire and draws thunder wiring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103352808A true CN103352808A (en) | 2013-10-16 |
| CN103352808B CN103352808B (en) | 2016-02-03 |
Family
ID=49309212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310320437.9A Expired - Fee Related CN103352808B (en) | 2013-07-29 | 2013-07-29 | A kind of axial fan hub draws the connecting means of thunder wire and draws thunder wiring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103352808B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10316827B2 (en) | 2014-11-11 | 2019-06-11 | General Electric Company | Conduit assembly for a lightning protection cable of a wind turbine rotor blade |
| CN110192029A (en) * | 2017-01-24 | 2019-08-30 | 西门子歌美飒可再生能源公司 | Electric brush device |
| CN111794917A (en) * | 2020-07-24 | 2020-10-20 | 湘电风能有限公司 | Wheel hub lightning arrester for wind turbine generator system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1930586A1 (en) * | 2005-08-01 | 2008-06-11 | Gamesa Innovation And Technology, S.L. | Lightning protection system for wind generators |
| CN101787963A (en) * | 2010-02-27 | 2010-07-28 | 黄文怡 | Hub/blade wire connecting bracket of aerogenerator |
| CN102094768A (en) * | 2011-01-21 | 2011-06-15 | 太原重工股份有限公司 | Connecting device for guiding lightning current between blade and hub |
| CN202012454U (en) * | 2011-03-04 | 2011-10-19 | 内蒙古航天亿久科技发展有限责任公司 | Lightning protection device for large-scale wind driven generator sets |
| CN102384044A (en) * | 2011-11-16 | 2012-03-21 | 济南轨道交通装备有限责任公司 | Lightening protection device for wind generating set blade |
-
2013
- 2013-07-29 CN CN201310320437.9A patent/CN103352808B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1930586A1 (en) * | 2005-08-01 | 2008-06-11 | Gamesa Innovation And Technology, S.L. | Lightning protection system for wind generators |
| CN101787963A (en) * | 2010-02-27 | 2010-07-28 | 黄文怡 | Hub/blade wire connecting bracket of aerogenerator |
| CN102094768A (en) * | 2011-01-21 | 2011-06-15 | 太原重工股份有限公司 | Connecting device for guiding lightning current between blade and hub |
| CN202012454U (en) * | 2011-03-04 | 2011-10-19 | 内蒙古航天亿久科技发展有限责任公司 | Lightning protection device for large-scale wind driven generator sets |
| CN102384044A (en) * | 2011-11-16 | 2012-03-21 | 济南轨道交通装备有限责任公司 | Lightening protection device for wind generating set blade |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10316827B2 (en) | 2014-11-11 | 2019-06-11 | General Electric Company | Conduit assembly for a lightning protection cable of a wind turbine rotor blade |
| CN110192029A (en) * | 2017-01-24 | 2019-08-30 | 西门子歌美飒可再生能源公司 | Electric brush device |
| US11378064B2 (en) | 2017-01-24 | 2022-07-05 | Siemens Gamesa Renewable Energy A/S | Brush arrangement |
| CN111794917A (en) * | 2020-07-24 | 2020-10-20 | 湘电风能有限公司 | Wheel hub lightning arrester for wind turbine generator system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103352808B (en) | 2016-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8182227B2 (en) | Wind turbine blade with lightning receptor | |
| CN102767487B (en) | Lightning protection protective system and lightening arresting method thereof for wind turbine | |
| Hu | Analysis on operation faults of transmission line and countermeasures. | |
| EP2019204A1 (en) | Wind turbine protection | |
| CN207701299U (en) | A kind of breakdown prevention type wind electricity blade lightning arrester | |
| CN103352808B (en) | A kind of axial fan hub draws the connecting means of thunder wire and draws thunder wiring system | |
| CN105386943A (en) | Wind driven generator blade point lightning protection device | |
| US9719495B2 (en) | Lightning protection system for wind turbine rotor blades | |
| CN101207270A (en) | Wind power generation lightning protection system | |
| CN117117748B (en) | Wind power generation and transmission system | |
| CN102227077A (en) | Tower arrangement structure at cable terminal | |
| CN209730810U (en) | Discharging gap structure and without power frequency continued flow discharging gap apparatus | |
| CN205423084U (en) | Aerogenerator blade apex lightning protection device | |
| CN202940460U (en) | Tower lightning arrester | |
| CN206349192U (en) | Anchor ear | |
| CN207004732U (en) | A kind of Novel lightning-proof blower fan | |
| CN202250637U (en) | Anti-lightning system for wind turbine | |
| CN202503194U (en) | Suspension type lightning arrester applicable to power transmission lines | |
| CN212106146U (en) | Lightning protection system of wind generating set blade metal counter weight thing | |
| CN207715307U (en) | A kind of wind generator set blade Lightning Transformation device | |
| CN202004400U (en) | Cable terminal support arrangement structure | |
| CN207500063U (en) | Wind power generating set and its lightning conductor attachment device | |
| CN207315580U (en) | A kind of wind-powered electricity generation power generation column cable fixture | |
| CN111404033A (en) | Lightning protection lightning arrester for oil well platform | |
| DK200800942A (en) | Wind turbine protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20200729 |