CN111342417B

CN111342417B - Lightning protection counterattack device for power transmission line

Info

Publication number: CN111342417B
Application number: CN202010339894.2A
Authority: CN
Inventors: 唐光华; 严志超; 朱锐; 刘松; 李应福; 历子群; 陈云平; 岩燕塔; 尹付光
Original assignee: Xishuangbanna Power Supply Bureau of Yunnan Power Grid Co Ltd
Current assignee: Xishuangbanna Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-05-04
Anticipated expiration: 2040-04-26
Also published as: CN111342417A

Abstract

The invention discloses a lightning protection counterattack device for a power transmission line, which comprises a protection box and a control system, wherein the top of the protection box is movably connected with an installation plate, the right side of the protection box is fixedly connected with a lightning guide needle, and the bottom of the protection box is provided with a winding mechanism. This transmission line is with lightning protection counterattack device, top through at the protection box sets up the installation piece, utilize the adaptation of installation piece and mounting groove, through the fixture block, the draw-in groove, the movable block, shifting chute and screw thread post, make the protection box can be convenient to install on the mounting panel, not only can play fine guard action to the insulator on the transmission line, and simple to operate, the cooperation fixed plate, the wrapping post, lead the thunder line, quick-witted case and actuating mechanism, can be that lead the thunder line and put down automatically when meetting thunderstorm weather and lead the thunder, avoid leading the thunder line to place for a long time and suffer destruction outdoors, very big improvement lightning protection counterattack effect.

Description

Lightning protection counterattack device for power transmission line

Technical Field

The invention relates to the technical field of power transmission lines, in particular to a lightning protection counterattack device for a power transmission line.

Background

The transmission line is realized by using a transformer to boost the electric energy generated by the generator and then connecting the electric energy to the transmission line through control equipment such as a breaker and the like. The structure form, transmission line divide into overhead transmission line and cable run. The overhead transmission line consists of a line tower, a lead, an insulator, a line hardware fitting, a stay wire, a tower foundation, a grounding device and the like and is erected on the ground. Power transmission is classified into ac power transmission and dc power transmission according to the nature of the transmitted current. However, the voltage of the dc transmission is difficult to increase continuously under the current technical conditions, so that the transmission capacity and the efficiency are limited.

When a power transmission line is subjected to lightning counterattack, an insulator is easily broken down by lightning, most of the existing lightning counterattack prevention devices for the power transmission line are provided with lightning conductors near the insulator, although the lightning conductors can play a certain lightning protection role, the effect is poor, the insulator can be occasionally broken down by lightning, and the lightning conductors are exposed outdoors for a long time and are easily damaged by artificial or natural disasters to influence the use effect of the lightning conductors.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a lightning protection counterattack device for a power transmission line, which solves the problems that the existing lightning protection counterattack for the power transmission line is poor in effect because a lightning conductor is mostly arranged near an insulator, and the lightning conductor is exposed outdoors for a long time and is easy to be damaged by man-made or natural disasters.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a lightning protection counterattack device for a power transmission line comprises a protection box and a control system, wherein the top of the protection box is movably connected with a mounting plate, a lightning-triggering needle is fixedly connected to the right side of the protection box, a winding mechanism is arranged at the bottom of the protection box, a mounting block is fixedly connected to the top of the protection box, a mounting groove is formed in the bottom of the mounting plate, the inner surface of the mounting groove is matched with the outer surface of the mounting block, clamping blocks are slidably connected to the two sides of the inner part of the mounting block, one sides, far away from each other, of the two clamping blocks penetrate through the mounting block and extend to the outer part of the mounting block, clamping grooves are formed in the two sides of the inner wall of the mounting plate, the inner surfaces of the two clamping grooves are clamped with the outer surface of the clamping blocks, a moving block is fixedly connected to one side of the clamping block, the front face of the moving, a threaded column is in threaded connection between the fixture block and the mounting plate, and one end of the threaded column penetrates through the mounting plate and extends to the outside of the mounting plate;

wire winding mechanism includes two fixed plates, two the top of fixed plate all with the bottom fixed connection of protection box, two rotate between the fixed plate and be connected with the wrapping post, and the surface winding of wrapping post has lead the thunder line, the right-hand member of wrapping post runs through the fixed plate and extends to the outside of fixed plate, the right side fixedly connected with machine case of right side fixed plate, and the inside of machine case is provided with actuating mechanism.

Preferably, the fixed slot has all been seted up to the both sides at mounting panel top, two the equal threaded connection of internal surface of fixed slot has the bolt, two the top of bolt all runs through the mounting panel and extends to the outside of mounting panel.

Preferably, the equal fixedly connected with rubber slab in both sides of mounting panel bottom, two the bottom of rubber slab all contacts with the top of protection box.

Preferably, actuating mechanism includes driving motor, driving motor's output passes through shaft coupling fixedly connected with pivot, the external surface fixedly connected with first gear of pivot, the external surface fixedly connected with second gear of wrapping post, and one side meshing of one side and first gear of second gear.

Preferably, a protection plate penetrates through and is fixed on the surface of the protection box, conductive blocks are fixedly connected to two sides of the interior of the protection plate, a signal block is fixedly connected to the interior of the protection plate and located between the two conductive blocks, and two sides of the signal block are electrically connected with one sides of the conductive blocks through connecting conductors.

Preferably, the control system comprises an input module, an analysis module, a threshold module, a comparison module and a wireless module.

Preferably, the output end of the input module is connected with the input end of the analysis module, and the output end of the analysis module is connected with the input end of the threshold module.

Preferably, the output end of the threshold module is connected with the input end of the comparison module, and the output end of the comparison module is connected with the input end of the comparison module.

(III) advantageous effects

The invention provides a lightning protection counterattack device for a power transmission line. Compared with the prior art, the method has the following beneficial effects:

(1) the lightning protection counterattack device for the power transmission line is characterized in that the bottom of the protection box is provided with the winding mechanism, the top of the protection box is fixedly connected with the mounting block, the bottom of the mounting block is provided with the mounting groove, the inner surface of the mounting groove is matched with the outer surface of the mounting block, clamping blocks are connected to two sides inside the mounting block in a sliding mode, one sides, away from each other, of the two clamping blocks penetrate through the mounting block and extend to the outside of the mounting block, clamping grooves are formed in two sides of the inner wall of the mounting plate, the inner surfaces of the two clamping grooves are connected with the outer surfaces of the clamping blocks in a clamping mode, a moving block is fixedly connected to one side of each clamping block, the front face of the moving block penetrates through the mounting block and extends to the outside of the mounting block, a moving groove matched with the moving block is formed in the surface of the mounting block, a threaded column is connected between each clamping block and the; the winding mechanism comprises two fixed plates, the tops of the two fixed plates are fixedly connected with the bottom of the protection box, a winding post is rotatably connected between the two fixed plates, a lightning conductor is wound on the outer surface of the winding post, the right end of the winding post penetrates through the fixed plates and extends to the outer parts of the fixed plates, a case is fixedly connected to the right side of the right fixed plate, a driving mechanism is arranged in the case, the protection box can be conveniently arranged on the mounting plate by arranging a mounting block at the top of the protection box through the matching of the mounting block and the mounting groove, and the mounting block, the clamping groove, the moving block, the moving groove and the threaded post are matched to ensure that the protection box can be conveniently arranged on the mounting plate, not only can the insulator on the power transmission line be well protected, but also the installation is convenient, the fixed plates, the winding post, the lightning conductor, the, the lightning conducting wire is prevented from being damaged when being placed outdoors for a long time, and the lightning protection counterattack effect is greatly improved.

(2) The lightning protection counterattack device for the power transmission line comprises fixing grooves formed in two sides of the top of a mounting plate, bolts are in threaded connection with the inner surfaces of the two fixing grooves, the top ends of the two bolts penetrate through the mounting plate and extend to the outside of the mounting plate, rubber plates are fixedly connected to two sides of the bottom of the mounting plate, the bottoms of the two rubber plates are in contact with the top of a protection box, a protection plate is fixedly penetrated through the surface of the protection box, conductive blocks are fixedly connected to two sides of the inside of the protection plate, a signal block is fixedly connected to the inside of the protection plate and between the two conductive blocks, two sides of the signal block are electrically connected with one side of the conductive block through a connecting conductor, the mounting plate can be conveniently mounted on a frame of the power transmission line through the fixing grooves and the bolts, the rubber plates are arranged, the protection box can be, can be after the thunder and lightning punctures the protection box, the conducting block can be electrically conducted fast for the signal piece receives the thunder and lightning and punctures the signal, convenient subsequent quick maintenance process.

(3) This transmission line is with lightning protection counterattack device, through including input module at control system, analysis module, the threshold value module, contrast module and wireless module, input module's output and analysis module's input are connected, analysis module's output is connected with threshold value module's input, threshold value module's output and contrast module's input are connected, contrast module's output and contrast module's input are connected, through input module input information, after analysis module processing analysis, cooperation threshold value module and contrast module carry out the threshold value contrast after, confirm that the protection box is punctured, the quick long-range information of sending of wireless module, the maintenance of conveniently fixing a position fast.

Drawings

FIG. 1 is a perspective view of a portion of the present invention in external configuration;

FIG. 2 is a perspective view showing the external structure of the driving mechanism of the present invention;

FIG. 3 is a front view of a portion of the external structure of the present invention;

FIG. 4 is a partial sectional view of the present invention;

FIG. 5 is a front view of the internal structure of the protection plate of the present invention;

FIG. 6 is a functional block diagram of the control system of the present invention.

In the figure, 1-protection box, 2-control system, 201-input module, 202-analysis module, 203-threshold module, 204-comparison module, 205-wireless module, 3-mounting plate, 4-lightning-leading needle, 5-winding mechanism, 51-fixing plate, 52-winding column, 53-lightning-leading wire, 54-cabinet, 55-driving mechanism, 551-driving motor, 552-rotating shaft, 553-first gear, 554-second gear, 6-mounting block, 7-mounting groove, 8-clamping block, 9-clamping groove, 10-moving block, 11-moving groove, 12-threaded column, 13-bolt, 14-rubber plate, 15-protection plate, 16-conductive block, 17-signal block, 18-fixation slots, 19-connection conductors.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: a lightning protection counterattack device for a power transmission line comprises a protection box 1 and a control system 2, wherein the control system 2 comprises an input module 201, an analysis module 202, a threshold module 203, a comparison module 204 and a wireless module 205, information is input through the input module 201, after the information is processed and analyzed by the analysis module 202, the protection box 1 is determined to be punctured after the threshold comparison is carried out by matching with the threshold module 203 and the comparison module 204, the wireless module 205 quickly and remotely sends information to facilitate quick positioning and maintenance, the analysis module 202 is an ARM9 series microprocessor, the output end of the threshold module 203 is connected with the input end of the comparison module 204, the output end of the comparison module 204 is connected with the input end of the analysis module 202, the output end of the analysis module 202 is connected with the input end of the threshold module 203, a protection plate 15 penetrates through and is fixed on the surface of the protection box 1, the two sides of the inside of the protection plate 15 are fixedly connected with conductive blocks 16, a signal block 17 is fixedly connected with the inside of the protection plate 15 and positioned between the two conductive blocks 16, the signal block 17 is connected with the input module 201 through signals after being electrified, the two sides of the signal block 17 are electrically connected with one side of the conductive block 16 through a connecting conductor 19, the top of the protection box 1 is movably connected with a mounting plate 3, the two sides of the bottom of the mounting plate 3 are fixedly connected with rubber plates 14, the bottoms of the two rubber plates 14 are contacted with the top of the protection box 1, the two sides of the top of the mounting plate 3 are respectively provided with a fixed groove 18, the inner surfaces of the two fixed grooves 18 are respectively connected with bolts 13 through screw threads, the top ends of the two bolts 13 penetrate through the mounting plate 3 and extend to the outside of the mounting plate 3, the right side of the protection box 1 is fixedly connected with a lightning guide needle 4, the lightning guide, the top of the protection box 1 is fixedly connected with an installation block 6, the bottom of the installation plate 3 is provided with an installation groove 7, the inner surface of the installation groove 7 is matched with the outer surface of the installation block 6, two sides inside the installation block 6 are both connected with clamping blocks 8 in a sliding mode, one side, away from each other, of each of the two clamping blocks 8 penetrates through the installation block 6 and extends to the outside of the installation block 6, two sides of the inner wall of the installation plate 3 are both provided with clamping grooves 9, the inner surfaces of the two clamping grooves 9 are both clamped with the outer surfaces of the clamping blocks 8, one side of each clamping block 8 is fixedly connected with a moving block 10, the front face of each moving block 10 penetrates through the installation block 6 and extends to the outside of the installation block 6, the surface of the installation block 6 is provided with a moving groove 11 matched with the moving block 10, a threaded column 12; the winding mechanism 5 comprises two fixing plates 51, the tops of the two fixing plates 51 are fixedly connected with the bottom of the protection box 1, a winding post 52 is rotatably connected between the two fixing plates 51, a lightning conductor 53 is wound on the outer surface of the winding post 52, a metal weight is suspended on the lightning conductor 53 and plays a role of gravity tension, the right end of the winding post 52 penetrates through the fixing plates 51 and extends to the outside of the fixing plates 51, a case 54 is fixedly connected to the right side of the right fixing plate 51, a driving mechanism 55 is arranged inside the case 54, the driving mechanism 55 comprises a driving motor 551, the driving motor 551 is electrically connected with an external power supply, the driving motor 551 is a three-phase asynchronous motor, the output end of the driving motor 551 is fixedly connected with a rotating shaft 552 through a coupler, a first gear 553 is fixedly connected to the outer surface of the rotating shaft 552, and a second gear 554 is fixedly connected to, one side of the second gear 554 is engaged with one side of the first gear 553, the protection box 1 can be conveniently mounted on the mounting plate 3 by arranging the mounting block 6 at the top of the protection box 1 and utilizing the matching of the mounting block 6 and the mounting groove 7 through the clamping block 8, the clamping groove 9, the moving block 10, the moving groove 11 and the threaded post 12, so that the insulator on the power transmission line can be well protected, and the installation is convenient.

When the lightning protection box is used, firstly, a worker installs the mounting plate 3 on a frame of a power transmission line through the fixing groove 18 and the bolt 13, then the mounting block 6 at the top of the protection box 1 is placed in the mounting groove 7, then the moving block 10 is slid to enable the moving block 10 to slide towards one side on the inner surface of the moving groove 11, and further the clamping block 8 is driven to be clamped into the clamping groove 9, at the moment, the threaded column 12 is screwed into the space between the clamping block 8 and the mounting plate 3, the protection box 1 is fixed, after lightning breakdown occurs, the protection box 1 can be replaced through reverse operation, in the weather of thunderstorm, the rotating shaft 552 is driven to rotate by starting the driving motor 551, the rotating shaft 552 rotates to drive the first gear 553 to rotate, the meshed second gear 554 rotates, then the winding column 52 rotates to drive the lightning conductor 53 to be put down to be in contact with the ground, and after the weather of thunderstorm, the lightning, the lightning conductor 53 is prevented from being damaged when being placed outdoors for a long time, the lightning protection counterattack effect is greatly improved, and the working principle of the lightning protection counterattack device for the power transmission line is as above.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transmission line is with lightning protection counterattack device, includes protection box (1) and control system (2), the top swing joint of protection box (1) has mounting panel (3), and the right side fixedly connected with lightning-induced needle (4) of protection box (1), its characterized in that: the bottom of the protection box (1) is provided with a winding mechanism (5), the top of the protection box (1) is fixedly connected with an installation block (6), the bottom of the installation plate (3) is provided with an installation groove (7), the inner surface of the installation groove (7) is matched with the outer surface of the installation block (6), two sides of the inner part of the installation block (6) are respectively connected with a fixture block (8) in a sliding manner, one sides of the two fixture blocks (8) far away from each other penetrate through the installation block (6) and extend to the outer part of the installation block (6), two sides of the inner wall of the installation plate (3) are respectively provided with a clamping groove (9), the inner surfaces of the two clamping grooves (9) are respectively clamped with the outer surfaces of the fixture blocks (8), one side of the fixture block (8) is fixedly connected with a moving block (10), the front surface of the moving block (10) penetrates through the installation, a moving groove (11) matched with a moving block (10) is formed in the surface of the mounting block (6), a threaded column (12) is connected between the clamping block (8) and the mounting plate (3) in a threaded mode, and one end of the threaded column (12) penetrates through the mounting plate (3) and extends to the outside of the mounting plate (3);

wire winding mechanism (5) include two fixed plates (51), two the top of fixed plate (51) all with the bottom fixed connection of protection box (1), two it is connected with wrapping post (52) to rotate between fixed plate (51), and the surface winding of wrapping post (52) has lead thunder line (53), the right-hand member of wrapping post (52) runs through fixed plate (51) and extends to the outside of fixed plate (51), the right side fixedly connected with quick-witted case (54) of right side fixed plate (51), and the inside of machine case (54) is provided with actuating mechanism (55).

2. The lightning protection counterattack device for the power transmission line according to claim 1, characterized in that: fixed slot (18), two have all been seted up to the both sides at mounting panel (3) top the equal threaded connection of internal surface of fixed slot (18) has bolt (13), two the outside that mounting panel (3) and extend to mounting panel (3) is all run through on the top of bolt (13).

3. The lightning protection counterattack device for the power transmission line according to claim 1, characterized in that: the equal fixedly connected with rubber slab (14) in both sides of mounting panel (3) bottom, two the bottom of rubber slab (14) all contacts with the top of protection box (1).

4. The lightning protection counterattack device for the power transmission line according to claim 1, characterized in that: the driving mechanism (55) comprises a driving motor (551), the output end of the driving motor (551) is fixedly connected with a rotating shaft (552) through a coupler, the outer surface of the rotating shaft (552) is fixedly connected with a first gear (553), the outer surface of the winding post (52) is fixedly connected with a second gear (554), and one side of the second gear (554) is meshed with one side of the first gear (553).

5. The lightning protection counterattack device for the power transmission line according to claim 1, characterized in that: the surface of protection box (1) runs through and is fixed with protection shield (15), the equal fixedly connected with conducting block (16) in both sides of protection shield (15) inside, the inside of protection shield (15) just is located fixedly connected with signal piece (17) between two conducting blocks (16), the both sides of signal piece (17) all are through connecting conductor (19) and one side electric connection of conducting block (16).

6. The lightning protection counterattack device for the power transmission line according to claim 1, characterized in that: the control system (2) comprises an input module (201), an analysis module (202), a threshold module (203), a comparison module (204) and a wireless module (205).

7. The lightning protection counterattack device for the power transmission line according to claim 6, characterized in that: the output end of the input module (201) is connected with the input end of the analysis module (202), and the output end of the analysis module (202) is connected with the input end of the threshold module (203).

8. The lightning protection counterattack device for the power transmission line according to claim 6, characterized in that: the output end of the threshold module (203) is connected with the input end of the comparison module (204), and the output end of the comparison module (204) is connected with the input end.