CN114113886B - Lightning stroke broken line detection device based on 10kV overhead line - Google Patents

Lightning stroke broken line detection device based on 10kV overhead line Download PDF

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Publication number
CN114113886B
CN114113886B CN202111383434.0A CN202111383434A CN114113886B CN 114113886 B CN114113886 B CN 114113886B CN 202111383434 A CN202111383434 A CN 202111383434A CN 114113886 B CN114113886 B CN 114113886B
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CN
China
Prior art keywords
rotating
lightning
lightning arrester
detection device
device based
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Active
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CN202111383434.0A
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Chinese (zh)
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CN114113886A (en
Inventor
冯启俊
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Wanning Power Supply Bureau Of Hainan Power Grid Co ltd
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Wanning Power Supply Bureau Of Hainan Power Grid Co ltd
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Priority to CN202111383434.0A priority Critical patent/CN114113886B/en
Publication of CN114113886A publication Critical patent/CN114113886A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/081Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/085Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54Testing for continuity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58Testing of lines, cables or conductors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42Determining position
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52Outage or fault management, e.g. fault detection or location
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Power Engineering (AREA)
  • Locating Faults (AREA)

Abstract

The invention provides a lightning stroke broken line detection device based on a 10kV overhead line, which comprises a rod frame, an insulator string, a wire, a current transformer, an audible and visual alarm, a GPS (global positioning system) locator, a pressure sensor, a wireless communication module, a bracket, a rotating mechanism, a lightning arrester, a conducting plate, a fusing part, a limiting piece, a controller and a remote control terminal.

Description

Lightning stroke broken line detection device based on 10kV overhead line
Technical Field
The invention relates to the technical field of line detection, in particular to a lightning stroke broken line detection device based on a 10kV overhead line.
Background
At present, overhead insulated wires are commonly adopted in power distribution network transmission lines in China, and lightning stroke broken line accidents are extremely easy to occur to the overhead insulated wires in thunderstorm weather, in particular to overhead routes in suburbs and remote areas. The lightning strike accident is mainly caused by direct lightning strike and induction lightning strike, the induction lightning strike is usually caused by a magnetic field generated by lightning strike in the surrounding environment of the overhead conductor, the influence area of the induction lightning strike is usually in a range of 200mm in the moving direction of negative charge from the insulator, the range is the main breakdown range of the induction lightning strike, an electrician is usually required to find a broken line position and maintain the broken line position, the process of finding the broken line position needs to consume longer time, the conductor at the broken line position is provided with power frequency voltage, the surrounding of the conductor is provided with electric leakage condition, and certain potential safety hazard exists; the lightning arrester is generally arranged on an overhead line to dredge lightning strike current so as to protect a circuit, under most conditions, the lightning arrester is struck by lightning to play a role of protecting the circuit, and the circuit can still work normally, however, the lightning arrester is easy to lose lightning protection effect after being struck by lightning, is difficult to play a role of lightning protection in the next lightning strike process, needs to be replaced in time, the prior art generally uses a regular inspection mode of workers to inspect the circuit, the inspection process is complicated, and whether the lightning arrester on the circuit fails or not is difficult to observe, so that the damaged lightning arrester cannot be found and replaced in time, the lightning protection effect of the circuit is affected, and the safe operation of the circuit is not facilitated.
Disclosure of Invention
The invention aims to solve the problems that the lightning broken line position and the lightning arrester failure position on a line are difficult to determine and influence the safe operation of a circuit.
The invention provides a lightning breakage detection device based on a 10kV overhead line, which comprises the following components:
the device comprises a rod frame, wherein an insulator string, a wire, a current transformer, an audible and visual alarm, a GPS (global positioning system) locator, a pressure sensor and a wireless communication module are arranged on the rod frame, the insulator string is used for supporting the wire, and the current transformer is electrically connected with the wire and can detect current information of the wire;
the bracket is arranged on the rod frame, and a rotating mechanism is rotatably arranged on the bracket;
the lightning arrester is detachably arranged on the rotating mechanism and can drive the rotating frame to rotate under the action of gravity so that the lightning arrester can strike the pressure sensor, a conducting plate electrically connected with the lead is arranged on the support, the conducting plate is abutted with the input end of the lightning arrester, and a fusing part which can be fused under high-voltage current is arranged at the output end of the lightning arrester;
the limiting piece is rotatably arranged on the bracket and detachably connected with the fusing part, the limiting piece is abutted on the rotating mechanism and can limit the position of the rotating mechanism, and the fusing part can fuse under high-voltage current and drive the limiting piece to rotate so as to release the limit of the limiting piece on the rotating mechanism;
the controller is arranged on the rod frame and is respectively and electrically connected with the current transformer, the audible and visual alarm, the GPS locator, the pressure sensor and the wireless communication module;
and the remote control terminal is in communication connection with the wireless communication module and can control the working state of the controller through the wireless communication module.
Preferably, the rotating mechanism comprises a rotating block and a rotating frame, the rotating block is rotatably mounted on the support, the rotating frame is rotatably mounted on the rotating block, and the lightning arrester is detachably mounted on the rotating frame.
Preferably, the lightning arrester is provided with a mounting ring, and the mounting ring is connected with the rotating frame through bolts.
Preferably, the mounting ring is provided with a pressing block for striking the pressure sensor, and the pressure sensor is provided with a buffer mechanism for relieving the impact force of the lightning arrester.
Preferably, the pressure sensor is provided with a pressure measuring plate, the pressure sensor can detect the pressure magnitude that the pressure measuring plate received, the buffer mechanism includes connecting cylinder, bottom plate, spring and roof, the connecting cylinder sets up on the pressure measuring plate, the bottom plate with the bottom plate is all movable to be installed on the connecting cylinder, be provided with on the connecting cylinder and supply roof butt's butt portion, the spring sets up on the connecting cylinder, the spring acts on the roof so that roof elasticity butt is in on the butt portion, the spring acts on the bottom plate so that the bottom plate elasticity butt is in on the pressure measuring plate.
Preferably, the limiting part comprises a rotating rod and an L-shaped rod, the rotating rod is rotatably arranged on the support, the rotating shaft of the rotating rod and the rotating shaft of the rotating block are not in the same straight line, the L-shaped rod is arranged on the rotating rod, and the L-shaped rod is connected with the output end of the lightning arrester through the fusing part.
Preferably, the rotating frame is provided with a bending part, the bending part is provided with a through hole for the L-shaped rod to pass through, the L-shaped rod can be matched with the through hole to limit the rotation of the rotating frame, the L-shaped rod is provided with a connecting ring, and the connecting ring is connected with the fusing part through bolts.
Preferably, a hardware fitting is arranged at the input end of the lightning arrester, and a spring piece for fastening the hardware fitting is arranged on the conducting plate.
Preferably, an insulator pillar is arranged on the support, the lower end of the insulator pillar is fixedly arranged on the support, and the upper end of the insulator pillar is connected with the conducting plate.
Compared with the prior art, the invention has the following beneficial effects:
when the line breaks due to lightning stroke, the current transformer detects current change, the controller sends the current change to the remote control terminal through the GPS locator and the wireless communication module, when the lightning arrester protects the line and suffers lightning stroke, the fusing part fuses to release the limit of the limiting piece to the rotating mechanism, the lightning arrester drives the rotating mechanism to rotate under the action of gravity and to strike the rotating mechanism on the pressure sensor, the controller sends the current transformer to the remote control terminal through the GPS locator and the wireless communication module, line fault location and fault type judgment are achieved, maintenance efficiency is improved beneficially, the remote control terminal has the advantages of being efficient and time-saving, reminding through the audible-visual annunciator is good in safety performance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is a schematic view of a structure of a lightning arrester according to an embodiment of the present invention;
fig. 3 is a schematic view of a structure of a lightning arrester and a buffer mechanism according to an embodiment of the present invention;
FIG. 4 is an enlarged view of FIG. 3 at A;
FIG. 5 is a schematic diagram illustrating the connection between a controller and various electronic devices according to an embodiment of the present invention;
in the figure, 10-pole frame; 11-insulator strings; 12-conducting wires; 13-a current transformer; 14-an audible and visual alarm; 15-a GPS locator; 16-a pressure sensor; 161-measuring pressure plate; 17-a wireless communication module; 18-a controller; 20-a bracket; 21-a conductive plate; 211-shrapnel; 22-insulator posts; 30-a rotating mechanism; 31-rotating blocks; 32-rotating frame; 321-bending parts; 3211-perforating; 40-lightning arresters; 41-fusing part; 42-mounting ring; 421-briquetting; 43-hardware fitting; 50-limiting parts; 51-turning rod; a 52-L shaped rod; 521-connecting rings; 60-a remote control terminal; 70-a buffer mechanism; 71-connecting cylinder; 711-abutting part; 72-a bottom plate; 73-a spring; 74-top plate.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
Example 1:
referring to fig. 1 to 5, the present invention provides a lightning breakage detection device based on a 10kV overhead line, comprising:
the device comprises a rod frame 10, wherein an insulator string 11, a wire 12, a current transformer 13, an audible and visual alarm 14, a GPS (global positioning system) positioner 15, a pressure sensor 16 and a wireless communication module 17 are arranged on the rod frame 10, the insulator string 11 is used for supporting the wire 12, and the current transformer 13 is electrically connected with the wire 12 and can detect current information of the wire 12;
the bracket 20 is arranged on the rod frame 10, and a rotating mechanism 30 is rotatably arranged on the bracket 20;
the lightning arrester 40, the lightning arrester 40 is detachably installed on the rotating mechanism 30 and can drive the rotating frame 32 to rotate under the action of gravity so that the lightning arrester 40 can strike on the pressure sensor 16, the support 20 is provided with a conductive plate 21 electrically connected with the lead 12, the conductive plate 21 is abutted with the input end of the lightning arrester 40, and the output end of the lightning arrester 40 is provided with a fusing part 41 which can be fused under high-voltage current;
the limiting piece 50 is rotatably installed on the bracket 20, the limiting piece 50 is detachably connected with the fusing part 41, the limiting piece 50 is abutted against the rotating mechanism 30 and can limit the position of the rotating mechanism 30, and the fusing part 41 can fuse under high-voltage current and drive the limiting piece 50 to rotate so as to release the limitation of the limiting piece 50 on the rotating mechanism 30;
the controller 18 is arranged on the rod frame 10 and is electrically connected with the current transformer 13, the audible and visual alarm 14, the GPS positioner 15, the pressure sensor 16 and the wireless communication module 17 respectively;
the remote control terminal 60, the remote control terminal 60 is communicatively connected with the wireless communication module 17 and can control the operation state of the controller 18 through the wireless communication module 17.
When the line breaks due to lightning stroke, the current transformer 13 detects current change, the controller 18 sends the current change to the remote control terminal 60 through the GPS positioner 15 and the wireless communication module 17, wherein the controller 18 drives the audible and visual alarm 14 to work to alert surrounding personnel, the safety protection effect is improved, when the lightning arrester 40 protects the line and is subjected to lightning stroke, the fusing part 41 fuses to release the limit of the limiting piece 50 on the rotating mechanism 30, the lightning arrester 40 drives the rotating mechanism 30 to rotate and strike on the pressure sensor 16 under the action of gravity, the controller 18 sends the current change to the remote control terminal 60 through the GPS positioner 15 and the wireless communication module 17, the line fault positioning and fault type judgment are realized, the maintenance efficiency is improved, the safety protection device has the advantages of high efficiency and time saving, and the surrounding personnel are reminded through the audible and visual alarm 14, and the safety performance is better. The controller 18 is a control system formed by a plurality of STM32 singlechips, the remote control terminal 60 is intelligent equipment such as a mobile phone, a computer and the like, the pressure sensor 16 is of a PT124G-120 type, the current transformer 13 is of a LAZBJ-12 type, the wireless communication module 17 is of an H7710 DTU type, and the audible and visual alarm 14 is of an MSL-100 type.
Specifically, the rotating mechanism 30 includes a rotating block 31 and a rotating frame 32, the rotating block 31 is rotatably mounted on the bracket 20, the rotating frame 32 is rotatably mounted on the rotating block 31, and the lightning arrester 40 is detachably mounted on the rotating frame 32.
The mechanical freedom degree of the lightning arrester 40 during rotation is improved by arranging two rotating parts of the rotating frame 32 and the rotating block 31, so that the situation that the lightning arrester 40 cannot rotate due to the fact that the lightning arrester 40 is blocked in the rotation process is reduced.
Specifically, the lightning arrester 40 is provided with a mounting ring 42, and the mounting ring 42 is connected with the rotating frame 32 by bolts.
The lightning arrester 40 is detachably mounted, so that maintenance and replacement are facilitated when the lightning arrester 40 has a problem.
Example 2:
referring to fig. 1 to 5, in combination with the technical solution of embodiment 1, in this embodiment, a pressing block 421 for striking the pressure sensor 16 is provided on the mounting ring 42, and a buffer mechanism 70 for relieving the impact force of the lightning arrester 40 is provided on the pressure sensor 16.
Specifically, the pressure sensor 16 is provided with a pressure measuring plate 161, the pressure sensor 16 is capable of detecting the pressure applied to the pressure measuring plate 161, the buffer mechanism 70 includes a connecting tube 71, a bottom plate 72, a spring 73 and a top plate 74, the connecting tube 71 is provided on the pressure measuring plate 161, the bottom plate 72 and the bottom plate 72 are both movably mounted on the connecting tube 71, the connecting tube 71 is provided with an abutting portion 711 for the top plate 74 to abut, the spring 73 is provided on the connecting tube 71, the spring 73 acts on the top plate 74 to elastically abut the top plate 74 on the abutting portion 711, and the spring 73 acts on the bottom plate 72 to elastically abut the bottom plate 72 on the pressure measuring plate 161.
When the lightning arrester 40 protects a circuit and is struck by lightning, the fusing part 41 fuses to cut off the connection between the limiting piece 50 and the lightning arrester 40, the limiting piece 50 releases the limiting effect on the rotating mechanism 30, the lightning arrester 40 drives the rotating mechanism 30 to rotate under the action of gravity, the pressing block 421 on the lightning arrester 40 is hit on the top plate 74 in the rotating process, the top plate 74 moves and compresses the spring 73 to play a certain buffering role, the explosion of the lightning arrester 40 caused by severe vibration is reduced, the spring 73 in a compressed state pushes the bottom plate 72 in the process of releasing the elastic potential energy of the spring so that the top plate 74 is forced on the pressure measuring plate 161, the pressure sensor 16 detects the stress information of the pressure measuring plate 161 and sends the fault information to the remote control terminal 60 through the controller 18, the GPS (global positioning system) 15 and the wireless communication module 17 for fault reporting work, wherein when a worker arrives at the site for maintenance, the remote control terminal 60, the wireless communication module 17 and the acousto-optic alarm 14 are driven to work to remind the worker of a specific fault position, the worker is convenient for rapidly positioning the fault line on the site and avoiding the fault region, and the fault region has the advantages of high safety performance and accuracy.
Example 3:
referring to fig. 1 to 5, in the present embodiment, in combination with the technical solutions of embodiment 1 and embodiment 2, the stopper 50 includes a rotating lever 51 and an L-shaped lever 52, the rotating lever 51 is rotatably mounted on the bracket 20, the rotation axis of the rotating lever 51 and the rotation axis of the rotating block 31 are not on the same straight line, the L-shaped lever 52 is disposed on the rotating lever 51, and the L-shaped lever 52 is connected with the output end of the lightning arrester 40 through the fusing part 41. Wherein the two connection points of the arrester 40 with the turret 32 and the L-shaped bar 52 are not in the same position.
Specifically, the rotating frame 32 is provided with a bending portion 321, the bending portion 321 is provided with a through hole 3211 through which the L-shaped rod 52 passes, the L-shaped rod 52 can cooperate with the through hole 3211 to limit rotation of the rotating frame 32, the L-shaped rod 52 is provided with a connecting ring 521, and the connecting ring 521 is connected with the fusing portion 41 by a bolt.
The L-shaped rod 52, the rotating rod 51, the rotating block 31, the rotating frame 32 and the bending part 321 are matched to form a closed self-locking structure, namely, the L-shaped rod 52 limits the rotating block 31 and the rotating frame 32 to rotate so as to limit the lightning arrester 40, when the fusing part 41 is fused, the L-shaped rod 52 rotates under the action of the fusing part 41 and the gravity of the self body and releases the limitation on the rotating block 31 and the rotating frame 32, so that the rotating frame 32 and the rotating block 31 can rotate under the action of the gravity of the lightning arrester 40.
Specifically, the input end of the lightning arrester 40 is provided with a fitting 43, and the conductive plate 21 is provided with an elastic sheet 211 for fastening the fitting 43.
Specifically, an insulator support column 22 is provided on the support frame 20, the lower end of the insulator support column 22 is fixedly provided on the support frame 20, and the upper end of the insulator support column 22 is connected with the conductive plate 21.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present invention fall within the protection scope of the present invention.

Claims (9)

1. Lightning stroke broken line detection device based on 10kV overhead line, characterized by comprising:
the device comprises a rod frame, wherein an insulator string, a wire, a current transformer, an audible and visual alarm, a GPS (global positioning system) locator, a pressure sensor and a wireless communication module are arranged on the rod frame, the insulator string is used for supporting the wire, and the current transformer is electrically connected with the wire and can detect current information of the wire;
the bracket is arranged on the rod frame, and a rotating mechanism is rotatably arranged on the bracket;
the lightning arrester is detachably arranged on the rotating mechanism and can drive the rotating frame to rotate under the action of gravity so that the lightning arrester can strike the pressure sensor, a conducting plate electrically connected with the lead is arranged on the bracket, the conducting plate is abutted with the input end of the lightning arrester, and a fusing part which can be fused under high-voltage current is arranged at the output end of the lightning arrester;
the limiting piece is rotatably arranged on the bracket and detachably connected with the fusing part, the limiting piece is abutted on the rotating mechanism and can limit the position of the rotating mechanism, and the fusing part can fuse under high-voltage current and drive the limiting piece to rotate so as to release the limit of the limiting piece on the rotating mechanism;
the controller is arranged on the rod frame and is respectively and electrically connected with the current transformer, the audible and visual alarm, the GPS locator, the pressure sensor and the wireless communication module;
and the remote control terminal is in communication connection with the wireless communication module and can control the working state of the controller through the wireless communication module.
2. The lightning breakage detection device based on the 10kV overhead line according to claim 1, wherein:
the rotating mechanism comprises a rotating block and a rotating frame, the rotating block is rotatably installed on the support, the rotating frame is rotatably installed on the rotating block, and the lightning arrester is detachably installed on the rotating frame.
3. The lightning breakage detection device based on the 10kV overhead line according to claim 2, wherein:
the lightning arrester is provided with a mounting ring, and the mounting ring is connected with the rotating frame through bolts.
4. A lightning strike disconnection detection device based on a 10kV overhead line according to claim 3, characterized in that:
the mounting ring is provided with a pressing block for striking the pressure sensor, and the pressure sensor is provided with a buffer mechanism for relieving the impact force of the lightning arrester.
5. The lightning stroke broken line detection device based on the 10kV overhead line according to claim 4, wherein:
the pressure sensor is provided with a pressure measuring plate, the pressure sensor can detect the pressure magnitude that the pressure measuring plate receives, the buffer mechanism comprises a connecting cylinder, a bottom plate, a spring and a top plate, the connecting cylinder is arranged on the pressure measuring plate, the bottom plate and the bottom plate are movably installed on the connecting cylinder, the connecting cylinder is provided with an abutting part for abutting the top plate, the spring is arranged on the connecting cylinder, the spring acts on the top plate to enable the top plate to be elastically abutted to the abutting part, and acts on the bottom plate to enable the bottom plate to be elastically abutted to the pressure measuring plate.
6. The lightning breakage detection device based on the 10kV overhead line according to claim 2, wherein:
the limiting piece comprises a rotating rod and an L-shaped rod, the rotating rod is rotatably installed on the support, the rotating shaft of the rotating rod and the rotating shaft of the rotating block are not in the same straight line, the L-shaped rod is arranged on the rotating rod, and the L-shaped rod is connected with the output end of the lightning arrester through the fusing part.
7. The lightning breakage detection device based on the 10kV overhead line according to claim 6, wherein:
the rotating frame is provided with a bending part, the bending part is provided with a through hole for the L-shaped rod to pass through, the L-shaped rod can be matched with the through hole to limit the rotation of the rotating frame, the L-shaped rod is provided with a connecting ring, and the connecting ring is connected with the fusing part through bolts.
8. The lightning breakage detection device based on the 10kV overhead line according to claim 1, wherein:
the lightning arrester is characterized in that a hardware fitting is arranged at the input end of the lightning arrester, and an elastic sheet for buckling the hardware fitting is arranged on the conducting plate.
9. The lightning breakage detection device based on the 10kV overhead line according to claim 1, wherein:
the support is provided with an insulator support, the lower end of the insulator support is fixedly arranged on the support, and the upper end of the insulator support is connected with the conducting plate.
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