CN215221688U - Lightning protection lightning receiving device for blades of wind turbine generator - Google Patents
Lightning protection lightning receiving device for blades of wind turbine generator Download PDFInfo
- Publication number
- CN215221688U CN215221688U CN202120269920.9U CN202120269920U CN215221688U CN 215221688 U CN215221688 U CN 215221688U CN 202120269920 U CN202120269920 U CN 202120269920U CN 215221688 U CN215221688 U CN 215221688U
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- Prior art keywords
- lightning
- blade
- fixing
- wind turbine
- blades
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- 230000007246 mechanism Effects 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 241000209128 Bambusa Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 3
- 210000003205 muscle Anatomy 0.000 abstract 2
- 208000025274 Lightning injury Diseases 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 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 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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- Wind Motors (AREA)
Abstract
The utility model relates to a lightning protection technical field especially relates to a wind turbine generator system blade lightning protection lightning arrester. The to-be-solved technical problem of the utility model is that the effect of lightning-receiving is not good and fixed effect is not good. In order to solve the problem in the above-mentioned technique, the utility model provides a wind turbine generator system blade lightning protection lightning arrester, the utility model discloses constitute by ball and fixed establishment, the probability of receiving the sudden strain of a muscle to the thunder and lightning has been increased through setting up lightning mobile jib and many lightning branches, make when the thunder and lightning is intensive, also fine attraction thunder and lightning, and can make lightning mobile jib and lightning branches when rotating along with the blade through setting up mounting box and ball, certain angle change takes place, the possibility of receiving the sudden strain of a muscle to the thunder and lightning has been increased, through setting up the movable rod, a spring, the fixed block, connecting plate and hollow cylinder, can fix the lightning arrester of omnidirectional, when the effectual high-speed operation that prevents the blade, the blade produces vibration, thereby make the lightning arrester become flexible make the circumstances that electrically conductive effect descends take place.
Description
Technical Field
The utility model relates to a lightning protection technical field specifically is a wind turbine generator system blade lightning protection lightning arrester.
Background
Wind power generation means that kinetic energy of wind is converted into electric energy, wind energy is a clean and pollution-free renewable energy source, at present, with continuous development of the wind power industry, fan blades are larger and larger, the height of a tower is increased, and equipment is easily damaged by lightning in a severe environment due to an exposed state during wind power generation, so that normal operation of wind power generation equipment is affected, particularly, the possibility of lightning stroke on the blades is the largest, therefore, in order to prevent the lightning stroke from damaging the blades, a lightning protection device is generally additionally arranged on the blades to protect the blades from being damaged by the lightning stroke, but the existing lightning protection lightning receiving device for the blades has many problems or defects:
the existing lightning protection lightning receiving device for the blade is generally provided with a single lightning receiving needle, when lightning is dense, the blade cannot be well protected, the protection effect is reduced, and the lightning receiving needle cannot change the angle of the lightning receiving needle, so that the lightning receiving effect is poor; and the general lightning receptor is fixed on the lightning receptor support through bolts, and along with the high-speed operation of the wind wheel blade, the blade can vibrate, so that the lightning receptor is loosened, and the conductive effect of the lightning receptor is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wind turbine generator system blade lightning protection lightning arrester is through setting up ball and fixed establishment to solve the not good and fixed not good problem of effect of lightning effect that proposes among the above-mentioned background.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wind turbine generator system blade lightning protection lightning arrester, includes blade and fixed establishment, the equal fixed mounting of fixed establishment is in the blade.
The inside fixed mounting of blade has the mounting box, the inside movable mounting of mounting box has the ball, the outer wall fixed mounting of ball has the lightning receiving mobile jib, the apex that the one end level of lightning receiving mobile jib runs through the blade extends to the blade outside, and the fixed surface who is located the outer lightning receiving mobile jib of blade installs the lightning receiving branch pole.
The fixing mechanism comprises a fixing box, fixing columns, a lightning receptor and slide rails, a bearing plate is fixedly arranged between the inner surfaces of the two corresponding side plates of the fixing box, two fixing columns are respectively and fixedly arranged on the top end surface of the bearing plate, springs are respectively and fixedly arranged on one side plate of the two fixing columns, two movable rods are rotatably arranged on the bearing plate, a fixed block is respectively and fixedly arranged at one end of each movable rod, one end of each spring is respectively and fixedly connected to one side surface of the corresponding movable rod, the lightning receptor is clamped and connected with the two fixed blocks together, the slide rails are respectively and fixedly arranged on the inner surfaces of the two corresponding side plates of the fixing box, slide blocks are respectively and slidably arranged in the two slide rails, a connecting plate is fixedly connected between the two slide blocks, two hollow cylinders are fixedly arranged on the bottom plate of the connecting plate, and a pressure spring is fixedly arranged on the bottom surface of the top plate of the hollow cylinder, the bottom fixedly connected with buffer block of pressure spring, the buffer block touches with the arrester mutually.
Preferably, the installation box is provided with the blotter on the internal surface of the both sides board that is parallel to each other, the ball is electrically conductive ball, the quantity of lightning rod is a plurality of, a plurality of the equal size of lightning rod.
Preferably, a through hole is formed in a side plate of the mounting box in a penetrating mode, and the diameter of the through hole is larger than that of the lightning receiving main rod.
Preferably, be provided with two bolts on the curb plate of bearing plate, two the movable rod rotates through the bolt respectively and installs the inside at the bearing plate.
Preferably, the two fixed blocks are the same in size, the outer walls of the two fixed blocks, which are in contact with the lightning arrester, are provided with anti-skidding rubber pads, and the two fixed blocks are both in the shape of Contraband'.
Preferably, the inner surfaces of the two corresponding side plates of the fixed box are fixedly provided with locking blocks, bolts are arranged inside the locking blocks, the bottom end faces of the two sliding blocks are fixedly provided with limiting rods, the bottom ends of the limiting rods penetrate through threaded holes, and the limiting rods are fixedly arranged in the locking blocks.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model increases the lightning receiving probability of lightning by arranging the lightning receiving main rod and the plurality of lightning receiving branch rods, so that the lightning can be well attracted when the lightning is dense, and the lightning receiving main rod and the lightning receiving branch rods can generate certain angle change when rotating along with the blades by arranging the mounting box and the balls, thereby increasing the possibility of lightning receiving, and being more beneficial to protecting the blades from lightning stroke;
(2) the utility model discloses a set up fixed establishment, use through mutually supporting that sets up movable rod, spring, fixed block, connecting plate and hollow section of thick bamboo, can fix by the omnidirectional butt joint flashing device, and have certain buffering damping's function, when the effectual high-speed operation that prevents the blade, the blade produced the vibration, thereby made the condition that the flashing arrester is not hard up to make electrically conductive effect descend take place, improved the life of flashing arrester greatly.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the sectional structure of the fixing box of the present invention;
fig. 3 is a schematic view of the enlarged structure of a part a in fig. 1 according to the present invention;
fig. 4 is a schematic view of the enlarged structure of the part B in fig. 1 according to the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the fixing block of the present invention.
In the figure: 1. a blade; 2. mounting a box; 3. a ball bearing; 4. a lightning rod; 5. a lightning stem; 6. a fixed box; 7. a bearing plate; 8. fixing a column; 9. a movable rod; 10. a spring; 11. a fixed block; 12. a lightning receptor; 13. a slide rail; 14. a slider; 15. a connecting plate; 16. a limiting rod; 17. a locking block; 18. a hollow cylinder; 19. a pressure spring; 20. and a buffer block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a wind turbine generator system blade lightning protection lightning arrester, includes blade 1 and fixed establishment, the equal fixed mounting of fixed establishment is in blade 1.
The inside fixed mounting of blade 1 has mounting box 2, the inside movable mounting of mounting box 2 has ball 3, the outer wall fixed mounting of ball 3 has lightning main rod 4, the apex that the one end level of lightning main rod 4 runs through blade 1 extends to blade 1 outside, and the fixed surface that is located 1 outer lightning main rod 4 of blade installs lightning rod 5.
The fixing mechanism comprises a fixing box 6, fixing columns 8, lightning receptors 12 and slide rails 13, wherein a bearing plate 7 is fixedly arranged between the inner surfaces of the corresponding two side plates of the fixing box 6, two fixing columns 8 are respectively and fixedly arranged on the top end surface of the bearing plate 7, springs 10 are respectively and fixedly arranged on one side plate of the two fixing columns 8, two movable rods 9 are rotatably arranged on the bearing plate 7, a fixed block 11 is fixedly arranged at one end of each movable rod 9, one end of each spring 10 is respectively and fixedly connected to one side surface of the corresponding movable rod 9, the lightning receptors 12 are jointly clamped on the two fixing blocks 11, the slide rails 13 are respectively and fixedly arranged on the inner surfaces of the corresponding two side plates of the fixing box 6, slide blocks 14 are respectively and slidably arranged in the slide rails 13, a connecting plate 15 is fixedly connected between the two slide blocks 14, and two hollow cylinders 18 are fixedly arranged on the bottom plate of the connecting plate 15, the bottom surface fixed mounting of hollow cylinder 18 roof has pressure spring 19, the bottom fixedly connected with buffer block 20 of pressure spring 19, buffer block 20 and lightning arrester 12 touch mutually.
Specifically, the internal surfaces of the two side plates parallel to each other of the mounting box 2 are provided with cushion pads, the balls 3 are conductive balls, the number of the lightning receiving rods 5 is a plurality of, and the lightning receiving rods 5 are the same in size.
Specifically, run through on the curb plate of mounting box 2 and seted up the through-hole, the diameter of through-hole is greater than the diameter of lightning rod 4, is greater than the through-hole of lightning rod 4 diameter through seting up the diameter, can make ball 3 make lightning rod 4 take place the change of angle when rotating, increases the probability that connects the thunder and lightning, more is favorable to protecting blade 1 and avoids the thunderbolt.
Specifically, be provided with two bolts on one curb plate of bearing plate 7, two movable rod 9 rotates through the bolt respectively and installs in the inside of bearing plate 7.
Specifically, the two fixed blocks 11 are the same in size, the outer walls of the two fixed blocks 11, which are in contact with the lightning arrester 12, are provided with anti-skid rubber pads, and the two fixed blocks 11 are both in the shape of Contraband.
Specifically, the internal surface that fixed case 6 corresponds the both sides board all fixed mounting have a locking piece 17, the inside of locking piece 17 is provided with the bolt, two the equal fixed mounting of bottom face of slider 14 has gag lever post 16, two gag lever post 16's bottom all runs through seted up with the screw hole, two gag lever post 16 all passes through bolt fixed mounting in locking piece 17.
The working principle is as follows: when the device is used, firstly, a handle arranged outside the fixed box 6 is pushed inwards, the handle pushes the movable rod 9, the movable rod 9 rotates to extrude the spring 10, then the lightning arrester 12 is placed on the top end surface of the bearing plate 7, the position of the lightning arrester 12 is placed well, then the handle is loosened, under the reset of the spring 10, the two fixed blocks 11 clamp and fix the lightning arrester 12, then the connecting plate 15 is pulled downwards through the action of the sliding rail 13 and the sliding block 14, the two buffer blocks 20 are both contacted with the lightning arrester 12, in the descending process of the connecting plate 15, the two limiting rods 16 enter the locking block 17, because the inside of the locking block 17 is provided with a bolt, the bottom ends of the two limiting rods 16 are both penetrated with threaded holes, the limiting rods 16 are fixed in the locking block 17 through the bolt, the connecting plate 15 can not slide, and the lightning arrester 12 is further fixed, and the compression spring 19 can play a certain role in buffering and damping vibration.
When meetting thunder and lightning weather, blade 1 rotates and makes lightning rod 4 take place to rotate, and make ball 3 take place to roll in mounting box 2, because set up the through-hole that the diameter is greater than lightning rod 4 on the curb plate of mounting box 2, at 1 pivoted in-process of blade, make lightning rod 4 take place the change of angle, the possibility of lightning-arrest has been increased, and be located and be provided with a plurality of lightning-arrest branches 5 on lightning rod 4 outside blade 1, make when the thunder and lightning is intensive, also fine attraction thunder and lightning, more be favorable to protecting blade 1 from the thunderbolt.
In the description of the present invention, it is to be understood that the terms "center", "middle", "eccentric", "longitudinal", "lateral", "length", "width", "thickness", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a wind turbine generator system blade lightning protection lightning arrester which characterized in that: the blade fixing device comprises blades (1) and fixing mechanisms, wherein the fixing mechanisms are fixedly arranged in the blades (1);
a mounting box (2) is fixedly mounted inside the blade (1), a ball (3) is movably mounted inside the mounting box (2), a lightning rod (4) is fixedly mounted on the outer wall of the ball (3), one end of the lightning rod (4) horizontally penetrates through the blade tip of the blade (1) and extends out of the blade (1), and a lightning rod (5) is fixedly mounted on the surface of the lightning rod (4) located outside the blade (1);
the fixing mechanism comprises a fixing box (6), fixing columns (8), lightning receptors (12) and sliding rails (13), a bearing plate (7) is fixedly installed between the inner surfaces of the corresponding two side plates of the fixing box (6), the top end face of the bearing plate (7) is respectively and fixedly installed with two fixing columns (8), springs (10) are fixedly installed on one side plate of the two fixing columns (8), two movable rods (9) are rotatably installed on the bearing plate (7), a fixing block (11) is fixedly installed at one end of each movable rod (9), one end of each spring (10) is fixedly connected to one side face of the corresponding movable rod (9), the lightning receptors (12) are clamped on the two fixing blocks (11) together, the sliding rails (13) are fixedly installed on the inner surfaces of the corresponding two side plates of the fixing box (6), and sliding blocks (14) are slidably installed in the sliding rails (13), two fixedly connected with connecting plate (15) between slider (14), fixed mounting has two hollow section of thick bamboos (18) on the bottom plate of connecting plate (15), the bottom surface fixed mounting of hollow section of thick bamboo (18) roof has pressure spring (19), the bottom fixedly connected with buffer block (20) of pressure spring (19), buffer block (20) contact with arrester (12).
2. The lightning protection lightning arrester for the blades of the wind turbine generator set according to claim 1, characterized in that: the utility model discloses a lightning protection device, including mounting box (2), ball (3), ball, the both sides inboard surface that mounting box (2) are parallel to each other is provided with the blotter, ball (3) are electrically conductive ball, the quantity of lightning receiving branch pole (5) is a plurality of, a plurality of the size homogeneous phase of lightning receiving branch pole (5) is the same.
3. The lightning protection lightning arrester for the blades of the wind turbine generator set according to claim 1, characterized in that: a through hole is formed in a side plate of the mounting box (2) in a penetrating mode, and the diameter of the through hole is larger than that of the lightning receiving main rod (4).
4. The lightning protection lightning arrester for the blades of the wind turbine generator set according to claim 1, characterized in that: two bolts are arranged on one side plate of the bearing plate (7), and the movable rods (9) are respectively installed inside the bearing plate (7) in a rotating mode through the bolts.
5. The lightning protection lightning arrester for the blades of the wind turbine generator set according to claim 1, characterized in that: the two fixed blocks (11) are same in size, anti-skid rubber pads are arranged on the outer walls, contacting with the lightning receptor (12), of the two fixed blocks (11), and the two fixed blocks (11) are both shaped like Contraband.
6. The lightning protection lightning arrester for the blades of the wind turbine generator set according to claim 1, characterized in that: the inner surface that fixed case (6) correspond both sides board all fixed mounting have lock block (17), the inside of lock block (17) is provided with the bolt, two the equal fixed mounting of bottom face of slider (14) has gag lever post (16), two the bottom of gag lever post (16) all runs through seted up with the screw hole, two gag lever post (16) all through bolt fixed mounting in lock block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120269920.9U CN215221688U (en) | 2021-01-29 | 2021-01-29 | Lightning protection lightning receiving device for blades of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120269920.9U CN215221688U (en) | 2021-01-29 | 2021-01-29 | Lightning protection lightning receiving device for blades of wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215221688U true CN215221688U (en) | 2021-12-17 |
Family
ID=79439281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120269920.9U Expired - Fee Related CN215221688U (en) | 2021-01-29 | 2021-01-29 | Lightning protection lightning receiving device for blades of wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215221688U (en) |
-
2021
- 2021-01-29 CN CN202120269920.9U patent/CN215221688U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |