CN108571427B - A kind of wind power generating set lightning protection device - Google Patents
A kind of wind power generating set lightning protection device Download PDFInfo
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- CN108571427B CN108571427B CN201810355514.7A CN201810355514A CN108571427B CN 108571427 B CN108571427 B CN 108571427B CN 201810355514 A CN201810355514 A CN 201810355514A CN 108571427 B CN108571427 B CN 108571427B
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- Prior art keywords
- cable
- pitch variable
- variable bearings
- wind power
- generating set
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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
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- 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)
- Wind Motors (AREA)
Abstract
The present invention discloses a kind of wind power generating set lightning protection device, including arrester, connection structure, conducting structure and axis binding structure, and the connection structure is connect by conducting structure with axis binding structure；The arrester is mounted on blade, and arrester is connected with cable, and cable laying is fixedly installed with connection structure on blade and in conducting structure on blade；Cable trough is provided in the connection structure, connection structure is connected with conducting structure in the one side for be provided with cable trough, and the conducting structure is connected with axis binding structure；The axis binding structure and conducting structure are rotatablely connected.The present invention is at work, it is connect by arrester and draws thunder and lightning, and ground structure into is guided thunder and lightning by cable, it entirely connects and is introduced through journey, thunder and lightning directly connect conduction without going past pitch variable bearings with earthing or grounding means, and in transmission process, electromagnetic shielding action can be played using the conducting structure that stainless steel metal supports, electromagnetic field the impacting to production to Wind turbines for preventing forceful electric power from generating.
Description
Technical field
The invention belongs to wind-driven generator technical group fields, specifically, being related to a kind of wind power generating set lightning protection device.
Background technique
Wind energy is a kind of inexhaustible, nexhaustible renewable energy, and power generation process not can cause environmental pollution
With destruction, using one of wind-power electricity generation and the main clean energy resource of current concentration, wind power generating set is a kind of by wind energy
It is converted into the device of electric energy, in order to guarantee enough generated outputs, the volume of wind power generating set is generally large, and height is high, this
It also results in wind power generating set to be easy to meet with lightning stroke, the lightning stroke destructive power of nature is big, is directly hitting wind power generating set
In the case where will lead to unit internal component damage, it is that generating set is directly paralysed as a result, therefore in installation wind power generating set
During need that lightning arrester is installed in wind power generating set.
Traditional lightning arrester is to draw straight thunder by the arrester on wind electricity blade, then pass through conducting wire and carbon brush for electric current
Wheel hub is led to, then is grounded high-current leading to the ground by wheel hub, but since electric current is big, carbon brush is that revolution rubs with pitch variable bearings
Wiping state, therefore carbon brush can not guide conduct current completely, this also causes electric current to puncture pitch variable bearings, to pitch variable bearings and its company
Binding is configured to centainly damage, and in order to solve this problem, the present invention provides following technical schemes.
Summary of the invention
The purpose of the present invention is to provide a kind of wind power generating set lightning protection devices.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of wind power generating set lightning protection device, including arrester, connection structure, conducting structure and axis binding structure, it is described
Connection structure is connect by conducting structure with axis binding structure；
The arrester is mounted on blade, and arrester is connected with cable, and cable laying is on blade and conducting structure
It is interior, connection structure is fixedly installed on blade；
Cable trough is provided in the connection structure, connection structure is connected with conducting structure in the one side for be provided with cable trough；
The conducting structure includes bottom frid and cover board, and cover board is fixed on the frid of bottom, and one end of bottom frid is
Hollow cylinder, the bottom opening of hollow cylinder, one end of the cover board are connected with internal solid cylinder, internal solid cylinder and hollow cylinder
Diameter it is identical, conducting structure is rotatably connected to axis binding structure by the cylindrical structure that internal solid cylinder and hollow cylinder form；
The axis binding structure includes upper pitch variable bearings and lower pitch variable bearings, the outer ring of upper pitch variable bearings and lower pitch variable bearings
Outer ring is linked together by screw rod, and the upper pitch variable bearings are connected with clutch disk, and the one side of upper clutch disk passes through the
One connecting spring is connected with turntable, and lower pitch variable bearings are connected with lower clutch disk, and the one side of lower clutch disk passes through the second connection
Spring is connected with hollow cylinder.
As further scheme of the invention, the screw rod is mounted on pitch variable bearings and lower pitch variable bearings far from connecting knot
The side of structure.
As further scheme of the invention, the bottom frid and cover board are zigzag configuration, and cover board is fixed on base channel
A Z-shape pipeline is formed on plate.
As further scheme of the invention, the turntable is covered in internal solid cylinder, the internal diameter of turntable and internal solid cylinder
Outer diameter is identical.
As further scheme of the invention, the cable is that copper cable is wrapped with one layer of alkali-free glass fiber cloth, alkali-free
Glass-fiber-fabric wraps up copper cable wherein after being impregnated in the resin with adhesive action, and will be electric by the plybonding effect of resin
Cable stickup is laid in blade and conducting structure.
As further scheme of the invention, the cable be laid on blade it is wavy, cable pass through cable trough after
Conducting structure laid inside at wavy, cable is compressed in the position of cable trough by combustion rubber absolutely, and cable is from open circles
The circular hole stretching of the bottom of cylinder is connect with ground structure.
As further scheme of the invention, position limiting structure is installed on the wheel hub, position limiting structure includes circular arc divider
With fixing support rack, the both ends of circular arc divider are connected with fixing support rack, and fixing support rack is mounted by means of bolts on wheel hub
On, the top of conducting structure is arranged in circular arc divider.
Beneficial effects of the present invention: the present invention at work, is connect by arrester and draws thunder and lightning, and is drawn thunder and lightning by cable
It to ground structure, entirely connects and is introduced through journey, thunder and lightning directly connect conduction without going past pitch variable bearings with earthing or grounding means, and is passing
During defeated, electromagnetic shielding action can be played using the conducting structure that stainless steel metal supports, the electromagnetic field for preventing forceful electric power from generating
To being impacted to production for Wind turbines.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the mounting structure schematic diagram of arrester；
Fig. 3 is the structural schematic diagram of axis binding structure；
Fig. 4 is the structural schematic diagram of conducting structure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
A kind of wind power generating set lightning protection device, as shown in Figure 1, Figure 2, Figure 3 shows, including arrester 8, connection structure 1, conduction
Structure 2 and axis binding structure 4, the connection structure 1 are connect by conducting structure 2 with axis binding structure 4.
The arrester 8 is mounted on blade 5, and blade 5 is mounted on wheel hub 7 by pitch variable bearings 6, and wherein blade 5 is logical
It crosses bolt to be fixed on the inner ring of pitch variable bearings 6, the outer ring of pitch variable bearings 6 is bolted on wheel hub 7, solid on blade 5
Dingan County is equipped with connection structure 1；
The one side of the connection structure 1, which passes through bolt or is welded and fixed, to be mounted on blade 5, is provided with electricity in connection structure 1
Cable slot 11, connection structure 1 are connected with conducting structure 2 in the one side for being provided with cable trough 11,；
As shown in figure 4, the conducting structure 2 includes bottom frid 21 and cover board 24, bottom frid 21 and cover board 24 are Z
Shape structure, the difference in height being adapted between blade 5 and wheel hub 7, cover board 24 can be bolted on bottom frid 21
A Z-shape pipeline is formed, one end that the bottom frid 21 is connect with connection structure 1 is equipped with fixed plate 22, fixed plate 22
On be provided with screw hole, bottom frid 21 is connect by fixed plate 22 with connection structure 1, and the other end of bottom frid 21 is hollow cylinder
23, the bottom opening current supply cable of hollow cylinder 23 passes through, and one end of the cover board 24 is connected with internal solid cylinder 25, internal solid cylinder
25 is identical as the diameter of hollow cylinder 23, when cover board 24 is fixed on bottom frid 21, internal solid cylinder 25 and hollow cylinder 23
A cylindrical structure is formed, conducting structure 2 is rotatably connected to by the cylindrical structure that internal solid cylinder 25 is formed with hollow cylinder 23
Axis binding structure 4.
As shown in figure 3, the axis binding structure 4 includes upper pitch variable bearings 48 and lower pitch variable bearings 43, upper pitch variable bearings 48
Outer ring and the outer ring of lower pitch variable bearings 43 are linked together by several screw rods 44, and screw rod 44 is mounted on the outer of pitch variable bearings 48
Circle and lower side of the pitch variable bearings 43 far from connection structure 1, prevent screw rod 44 from interfering the movement of conducting structure 1, the upper variable pitch
The inner ring of bearing 48 has been bolted to connection clutch disk 47, and the one side of upper clutch disk 47 passes through the first connecting spring
46 are connected with turntable 45, and turntable 45 covers in internal solid cylinder 25, and the internal diameter of turntable 45 is identical as the outer diameter of internal solid cylinder 25, this
Structure facilitates the installation and removal of conducting structure 2, under described while guaranteeing that turntable 45 and internal solid cylinder 25 are rotatablely connected
The inner ring of pitch variable bearings 43 has been bolted to connection lower clutch disk 42, and the one side of lower clutch disk 42 passes through the second connection
Spring 41 is connected with hollow cylinder 23.
As further scheme of the invention, position limiting structure 3 is installed on wheel hub 7, position limiting structure 3 includes circular arc divider 31
With fixing support rack 32, the both ends of circular arc divider 31 are connected with fixing support rack 32, and fixing support rack 32 is bolted peace
On wheel hub 7, the top of conducting structure 2 is arranged in circular arc divider 31, and this structure can be to the longitudinal movement of conducting structure 2
Amplitude plays certain restriction effect.
The arrester 8 is connected with cable 81, and cable 81 is laid on blade 5 according to wavy on the way, and cable 81 is being worn
Cross after cable trough 11 in the laid inside of conducting structure 2 at wavy, and cable 81 in the position of cable trough 11 by firing rubber absolutely
Glue 12 compresses, and cable 81 is finally stretched out from the circular hole of the bottom of hollow cylinder 23 to be connect with ground structure, guides thunder and lightning into ground,
By cable 81 be laid to it is wavy can anti-locking apparatus 81 forced breakage of cable will not occur when the fortuitous events such as being hit
The case where.
The cable 81 is that copper cable is wrapped with one layer of alkali-free glass fiber cloth, and alkali-free glass fiber cloth is being impregnated with gluing work
After in resin wherein by copper cable package, and by the plybonding effect of resin by the stickup of cable 81 be laid on blade 5 with
And in conducting structure 2.
The present invention at work, is connect by arrester 8 and draws thunder and lightning, and guides thunder and lightning into ground structure by cable 81, whole
A connect is introduced through journey, and thunder and lightning directly connect conduction without going past pitch variable bearings 6 with earthing or grounding means, and in transmission process, uses
Conducting structure 2 made of stainless steel metal can play electromagnetic shielding action, and the electromagnetic field for preventing forceful electric power from generating is to Wind turbines
It is impacted to production.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of wind power generating set lightning protection device, which is characterized in that including arrester (8), connection structure (1), conducting structure
(2), axis binding structure (4), pitch variable bearings (6) and wheel hub (7), the connection structure (1) pass through conducting structure (2) and axis binding structure
(4) it connects；
The arrester (8) is mounted on blade (5), and blade (5) is mounted on wheel hub (7) by pitch variable bearings (6), arrester
(8) it is connected with cable (81), cable (81) is laid on blade (5) and conducting structure (2) is interior, and blade is fixedly mounted on (5)
There is connection structure (1)；
It is provided with cable trough (11) on the connection structure (1), connection structure (1) is connected in the one side for being provided with cable trough (11)
Conducting structure (2)；
The conducting structure (2) includes bottom frid (21) and cover board (24), and cover board (24) is fixed on bottom frid (21), bottom
One end of portion's frid (21) is hollow cylinder (23), and one end of the bottom opening of hollow cylinder (23), the cover board (24) connects
It is connected to internal solid cylinder (25), internal solid cylinder (25) is identical as the diameter of hollow cylinder (23), and conducting structure (2) passes through internal solid cylinder
(25) cylindrical structure with hollow cylinder (23) composition is rotatably connected to axis binding structure (4)；
The axis binding structure (4) includes upper pitch variable bearings (48) and lower pitch variable bearings (43), the outer ring of upper pitch variable bearings (48) with
The outer ring of lower pitch variable bearings (43) is linked together by screw rod (44), and the upper pitch variable bearings (48) are connected with clutch disk
(47), the one side of upper clutch disk (47) is connected with turntable (45) by the first connecting spring (46), and lower pitch variable bearings (43) are even
It is connected to lower clutch disk (42), the one side of lower clutch disk (42) is connected with hollow cylinder by the second connecting spring (41)
(23)。
2. a kind of wind power generating set lightning protection device according to claim 1, which is characterized in that screw rod (44) installation
In the side of upper pitch variable bearings (48) and lower pitch variable bearings (43) far from connection structure (1).
3. a kind of wind power generating set lightning protection device according to claim 1, which is characterized in that the bottom frid (21)
It is zigzag configuration with cover board (24), cover board (24) is fixed on one Z-shape pipeline of formation on bottom frid (21).
4. a kind of wind power generating set lightning protection device according to claim 1, which is characterized in that the turntable (45) covers on
In internal solid cylinder (25), the internal diameter of turntable (45) is identical as the outer diameter of internal solid cylinder (25).
5. a kind of wind power generating set lightning protection device according to claim 1, which is characterized in that the cable (81) is copper
Cable processed is wrapped with one layer of alkali-free glass fiber cloth, and alkali-free glass fiber cloth is after being impregnated in the resin with adhesive action by copper cable
Cable (81) wherein, and are pasted by the plybonding effect of resin and are laid in blade (5) and conducting structure (2) by package.
6. a kind of wind power generating set lightning protection device according to claim 1, which is characterized in that the cable (81) is in leaf
It is laid to wavy on piece (5), cable (81) passes through the laid inside after cable trough (11) in conducting structure (2) at wavy,
Cable (81) is compressed in the position of cable trough (11) by combustion rubber (12) absolutely, and cable (81) is from the bottom of hollow cylinder (23)
Circular hole stretching is connect with ground structure.
7. a kind of wind power generating set lightning protection device according to claim 1, which is characterized in that pacify on the wheel hub (7)
Equipped with position limiting structure (3), position limiting structure (3) includes circular arc divider (31) and fixing support rack (32), and the two of circular arc divider (31)
End is connected with fixing support rack (32), and fixing support rack (32) is mounted by means of bolts on wheel hub (7), circular arc divider (31)
Top in conducting structure (2) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355514.7A CN108571427B (en) | 2018-04-19 | 2018-04-19 | A kind of wind power generating set lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355514.7A CN108571427B (en) | 2018-04-19 | 2018-04-19 | A kind of wind power generating set lightning protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108571427A CN108571427A (en) | 2018-09-25 |
| CN108571427B true CN108571427B (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810355514.7A Active CN108571427B (en) | 2018-04-19 | 2018-04-19 | A kind of wind power generating set lightning protection device |
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| CN (1) | CN108571427B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165559B (en) * | 2019-05-30 | 2020-05-12 | 安徽华希电力科技有限公司 | Graphite lightning protection grounding device for wind turbine generator and construction method thereof |
| CN113586328B (en) * | 2021-06-01 | 2024-01-30 | 国电联合动力技术有限公司 | Wind wheel assembly and fan |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2161196B1 (en) * | 2000-05-09 | 2002-05-16 | Torres Disenos Ind S A M | INSTALLATION OF PARARRAYOS FOR AEROGENERATORS. |
| CN100337026C (en) * | 2002-06-19 | 2007-09-12 | Neg麦康公司 | Lightning protection means for a wind turbine |
| CN101793240B (en) * | 2010-04-09 | 2012-05-02 | 太原重工股份有限公司 | Lightning arrester of wind turbine generator |
| EP2395238B1 (en) * | 2010-06-10 | 2014-04-02 | Siemens Aktiengesellschaft | Wind turbine with a lightning protection system |
| DK2520796T3 (en) * | 2011-05-03 | 2015-08-24 | Siemens Ag | Lightning protection system for a windmill and method for protecting components of a windmill against lightning |
| CN103174603A (en) * | 2011-12-23 | 2013-06-26 | 新疆金风科技股份有限公司 | Lightning protection device of wind generating set and wind generating set |
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- 2018-04-19 CN CN201810355514.7A patent/CN108571427B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108571427A (en) | 2018-09-25 |
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