CN220955931U - Wind-powered electricity generation blade point portion meets flashing device - Google Patents
Wind-powered electricity generation blade point portion meets flashing device Download PDFInfo
- Publication number
- CN220955931U CN220955931U CN202322788673.5U CN202322788673U CN220955931U CN 220955931 U CN220955931 U CN 220955931U CN 202322788673 U CN202322788673 U CN 202322788673U CN 220955931 U CN220955931 U CN 220955931U
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- inner base
- lightning
- wind power
- base component
- wind
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- 230000005611 electricity Effects 0.000 title claims description 3
- 239000011810 insulating material Substances 0.000 claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000011324 bead Substances 0.000 claims description 6
- 238000002788 crimping Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 11
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The wind power blade tip lightning receptor comprises a lightning receiving component arranged outside the tip of a wind power blade shell, and an inner base component arranged inside the wind power blade shell and detachably connected with the lightning receiving component, wherein one end of the inner base component far away from the lightning receiving component is provided with a wire connection pipe used for being connected with a down conductor in the wind power blade shell; the outside of the wire connection tube and the inner base component is wrapped by an insulating material. Compared with the prior art, the utility model has the following advantages: (1) The lightning receptor comprises a detachable lightning receptor assembly and an internal base assembly, and the processing cost is low; (2) When lightning strike damage maintenance is carried out on the lightning receptor, only the external lightning receptor assembly is required to be disassembled, the replacement difficulty is low, and the maintenance cost is low; (3) The wire connection pipe is directly connected with the internal base assembly, so that the risk of gap discharge caused by loose connection is avoided; (4) And the surface of the inner base assembly is insulated, so that breakdown of the inner base is avoided.
Description
Technical Field
The utility model belongs to the technical field of wind power blades, and particularly relates to a tip lightning arrester for lightning protection of a wind power blade.
Background
Wind power is used as a green energy source, the installed quantity is more and more in recent years, wind farm sites are generally selected in land areas with higher topography or on the ocean, wind power blades are used as components with highest installation positions on fans, the starting tip is easy to be struck by lightning, if the structural design of the tip lightning receptor is unreasonable, the blades cannot be well protected, and after the lightning strike, the maintenance difficulty is high and the maintenance cost is high.
At present, the common wind power blade lightning protection form is that a tip lightning arrester is installed at the blade tip and is connected with a down lead inside the wind power blade, the tip lightning arrester is of an integrated structure and is connected with the down lead in a crimping mode through a wiring terminal and a bolt, however, the following problems exist in the existing tip lightning arrester: the lightning receptor is integrally formed, and the processing cost is high; (2) The flash memory device is not detachable, the difficulty is high during later maintenance and replacement, the whole flash memory device is required to be detached, and the maintenance cost is high; (3) The down lead is connected with the lightning receptor by adopting a wiring terminal for switching, and the wiring terminal is connected with the lightning receptor by bolts, so that additional connection points are added, and the risk of gap discharge exists; (4) The internal base portion of the lightning receptor is not insulated and internal breakdown is easily caused.
Disclosure of utility model
The utility model provides a wind power blade tip lightning receptor, which aims to solve the technical problems that the tip lightning receptor in the prior art is not detachable, high in replacement cost, unstable in connection and easy to break down inside.
The aim of the utility model is realized by adopting the following technical scheme. The utility model provides a wind power blade tip lightning receptor, which comprises a lightning receiving component arranged outside the tip of a wind power blade shell, and an inner base component arranged inside the wind power blade shell and detachably connected with the lightning receiving component, wherein one end of the inner base component, which is far away from the lightning receiving component, is provided with a wire connecting pipe used for being connected with a down conductor in the wind power blade shell; the outside of the wire connection tube and the inner base component is wrapped by an insulating material.
Further, the insulating materials on the inner base component and the wiring pipe are arranged in the wind power blade shell through an adhesive.
Further, the one side that the subassembly that meets the flashing is close to inside base subassembly sets up the recess, and one side that the inside base subassembly is close to the subassembly that meets the flashing sets up the boss, and boss cartridge realizes dismantling the connection in the recess.
Further, set up the screw hole on the boss, correspond, set up the through-hole that runs through and match with the screw hole syntropy on receiving the flashing component, screw rod passes and twists after receiving the through-hole on the flashing component and fix at threaded hole, will receive the flashing component firm fixed on inside base subassembly.
Further, set up the spring pearl on the boss tip lateral wall of inside base subassembly, the recess inside wall that meets the flashing member sets up the draw-in groove, and spring pearl elasticity joint is in the draw-in groove, realizes inside base subassembly and meets the location and the chucking of flashing member.
Further, the inner base component is integrally formed and fixed with the wiring tube or is fixedly connected with threads.
Further, the wire connection pipe is fixedly connected with the down conductor in a pressure welding mode.
Further, the surface of the wiring tube and the surface of the inner base component are coated with a layer of insulating material through injection molding, so that the inner base component is prevented from being broken down.
Furthermore, grooves or bosses are formed in the surface of the insulating material, and the connection fixing strength with the wind power blade shell is improved through cooperation of the grooves or bosses and the adhesive.
Compared with the prior art, the utility model has the following advantages: (1) The lightning receptor comprises a detachable lightning receptor assembly and an internal base assembly, and the processing cost is low; (2) When lightning strike damage maintenance is carried out on the lightning receptor, only the external lightning receptor assembly is required to be disassembled, the replacement difficulty is low, and the maintenance cost is low; (3) The wire connection pipe is directly connected with the internal base assembly, so that the risk of gap discharge caused by loose connection is avoided; (4) And the surface of the inner base assembly is insulated, so that breakdown of the inner base is avoided.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model, as well as the preferred embodiments thereof, together with the following detailed description of the utility model, given by way of illustration only, together with the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a conventional tip receptor;
FIG. 2 is an exploded view of an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of an embodiment of the present utility model;
Fig. 4 is a cross-sectional view of another embodiment of the present utility model.
[ Reference numerals ]
The device comprises a 1-lightning receiving component, a 2-internal base component, a 3-screw rod, a 4-threaded hole, 5-spring beads, a 6-wiring tube, 7-insulating materials, 8-down wires, 9-wind power blade shells and 10-adhesives.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An embodiment of a wind power blade tip lightning receptor according to the utility model is shown in fig. 2 to 3, and comprises a lightning receptor assembly 1 arranged outside the tip of a wind power blade shell 9, an inner base assembly 2 arranged inside the wind power blade shell 9 and detachably connected with the lightning receptor assembly 1, and a wiring tube 6 used for being connected with a down conductor 8 in the wind power blade shell is arranged at the end of the inner base assembly 2 away from the lightning receptor assembly 1.
The wire connection pipe 6 and the outer side of the inner base component 2 are wrapped by an insulating material 7, and in the embodiment, an adhesive 10 is arranged between the insulating material 7 and the inner wall of the wind power blade shell 9 and used for fixing the inner base component 2 in the wind power blade shell 9, and then the tip lightning receptor is fixed on the wind power blade shell 9.
When the tip lightning receptor is mounted on the wind power blade shell 9, the inner base component 2 is firstly arranged inside the blade shell 9, at the moment, the down conductor 8 and the inner base component 2 are connected through the wire connecting tube 6, the insulation material 7 is wrapped and arranged, the inner base component 2 is adhered inside the wind power blade shell 9 through the adhesive 10, and then the lightning receptor component 1 is mounted on the inner base component 2.
In this embodiment, a recess is disposed on a side of the lightning receiving assembly 1 adjacent to the inner base assembly 2, a boss is disposed on a side of the inner base assembly 2 adjacent to the lightning receiving assembly 1, and the boss is inserted into the recess. Set up screw hole 4 on the boss, correspond, set up the through-hole that runs through and match with the screw hole syntropy on receiving the flashing member 1, through-hole and recess intercommunication, with boss cartridge back in the recess, screw hole 4 aligns with the through-hole on receiving the flashing member 1, then use screw 3 to pass the through-hole on receiving the flashing member 1 and screw in screw hole 4 to make and receive the flashing member 1 fixed with inside base subassembly 2, prevent to drop. After installation, the screw 3 may be ground to follow the height of the lightning receiving assembly 1 if it extends beyond the surface of the lightning receiving assembly. If the screw 3 is screwed off in the later maintenance, the lightning receiving assembly 1 only needs to be replaced. In order to increase the connection strength, the number of the screws 3 may be plural, and correspondingly, the number of the threaded holes 1 and the through holes are equal to the number of the screws 3.
In this embodiment, the side wall of the boss end of the inner base component 2 is provided with a spring bead 5, the spring bead 5 is slidably mounted in a blind hole of the side wall, a spring is arranged in the blind hole, and in a natural state, the end of the spring bead 5 extends out of the side wall. The recess inside wall that receives the flashing member 1 sets up the draw-in groove, and the spring pearl 5 withdraws back the blind hole when inserting the recess with the boss, waits that spring pearl 5 march to the draw-in groove, and the draw-in groove is gone into to spring pearl 5 card, realizes location and chucking, and the through-hole that screw hole 4 and the on the flashing member of this moment are aimed at, are convenient for screw in screw rod 3.
In this embodiment, the inner base component 2 and the wire connection tube 6 are integrally formed, and after the down conductor 8 is inserted into the wire connection tube 6, the wire connection tube 6 and the down conductor 8 are directly crimped and fixed.
In another embodiment of the utility model, shown in fig. 4, the connector tube 6 may be threadably coupled to the inner base member 2. The end of the wiring tube 6 is provided with external threads, and the end of the inner base member 2 remote from the wiring member 1 is provided with a threaded hole. Therefore, the wire connecting tube 6 can be connected with the down conductor 8 in advance, crimping is not needed during installation, the wire connecting tube 6 is directly screwed into the inner base, connection with the down conductor 8 is achieved, installation efficiency is improved, and machining cost is saved.
After the wiring tube 6 is connected with the down conductor 8, the surface of the wiring tube 6 and the surface of the inner base component 2 are coated with a layer of insulating material 7 through injection molding, so that the insulating performance of the inner base component 2 is improved, and the inner base component 2 is prevented from being broken down.
In this embodiment, the adhesive 10 is needed when the tip lightning receptor is mounted, so that several grooves or bosses are provided on the surface of the insulating material 7, and the extending direction of the grooves or bosses is perpendicular to the mounting direction of the inner base component 2, so that the surface roughness is increased, the bonding strength with the adhesive 10 is enhanced, and the tip lightning receptor is prevented from falling off.
In this embodiment, the insulating material 7 may be a polymer material such as polyurethane, polytetrafluoroethylene, and polyvinyl chloride, and the lightning receiving component 1, the inner base component 2, and the connection tube 6 are made of conductive materials.
The tip lightning receptor comprises a lightning receptor component and an internal base component which are detachably connected, so that the processing cost is low; when lightning strike damage maintenance is carried out on the lightning receptor, only the external lightning receptor assembly is required to be disassembled, the replacement difficulty is low, and the maintenance cost is low; the wire connection pipe is directly connected with the internal base assembly, so that the risk of gap discharge caused by loose connection is avoided; and the surface of the inner base assembly is insulated, so that breakdown of the inner base is avoided.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (7)
1. A wind-powered electricity generation blade point portion meets flashing device, its characterized in that: the wind power blade comprises a lightning receiving component arranged outside the tip of a wind power blade shell, and an inner base component which is arranged inside the wind power blade shell and detachably connected with the lightning receiving component, wherein one end of the inner base component, which is far away from the lightning receiving component, is provided with a wire connecting pipe used for being connected with a down conductor in the wind power blade shell; the outside of the wire connection pipe and the inner base component is wrapped with an insulating material; the side, close to the internal base component, of the flash-receiving component is provided with a groove, the side, close to the flash-receiving component, of the internal base component is provided with a boss, and the boss is inserted into the groove; the boss end side wall of the inner base component is provided with a spring bead, the inner side wall of the groove of the flash-receiving component is provided with a clamping groove, and the spring bead is elastically clamped in the clamping groove.
2. A wind blade tip lightning receptor according to claim 1, characterised in that: the insulating materials on the inner base component and the wiring pipe are arranged in the wind power blade shell through an adhesive.
3. A wind blade tip lightning receptor according to claim 1, characterised in that: the boss is provided with a threaded hole, and correspondingly, the flash-receiving component is provided with a through hole which penetrates through and is matched with the threaded hole in the same direction, and the screw rod penetrates through the through hole of the flash-receiving component and is screwed and fixed in the threaded hole.
4. A wind blade tip lightning receptor according to claim 1, characterised in that: the inner base component is fixed with the wiring tube in an integrated mode or in threaded connection.
5. A wind blade tip lightning receptor according to claim 1, characterised in that: the wiring tube is fixedly connected with the down conductor in a crimping way.
6. A wind blade tip lightning receptor according to claim 1, characterised in that: the surface of the wiring tube and the surface of the inner base component are coated with a layer of insulating material through injection molding.
7. A wind blade tip lightning receptor according to claim 1, characterised in that: grooves or bosses are formed in the surface of the insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322788673.5U CN220955931U (en) | 2023-10-17 | 2023-10-17 | Wind-powered electricity generation blade point portion meets flashing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322788673.5U CN220955931U (en) | 2023-10-17 | 2023-10-17 | Wind-powered electricity generation blade point portion meets flashing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220955931U true CN220955931U (en) | 2024-05-14 |
Family
ID=91014855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322788673.5U Active CN220955931U (en) | 2023-10-17 | 2023-10-17 | Wind-powered electricity generation blade point portion meets flashing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220955931U (en) |
-
2023
- 2023-10-17 CN CN202322788673.5U patent/CN220955931U/en active Active
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