CN118091327B - Power line fault detection device - Google Patents
Power line fault detection device Download PDFInfo
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- CN118091327B CN118091327B CN202410473082.5A CN202410473082A CN118091327B CN 118091327 B CN118091327 B CN 118091327B CN 202410473082 A CN202410473082 A CN 202410473082A CN 118091327 B CN118091327 B CN 118091327B
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- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 239000002184 metal Substances 0.000 claims abstract description 39
- 238000000926 separation method Methods 0.000 claims description 34
- 238000009413 insulation Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/15—Indicating the presence of current
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Locating Faults (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a power line fault detection device which comprises two movable seats, wherein a plurality of fault detection modules which are arranged in a linear mode are arranged on the inner sides of the two movable seats, each fault detection module comprises two electric telescopic rods which are symmetrically distributed, one end of each electric telescopic rod is fixed on the inner wall of each movable seat, a C-shaped metal sheet is fixed on the other end of each electric telescopic rod, the two C-shaped metal sheets are mutually symmetrical, a plurality of insulating fixing rods are fixed on the inner sides of the two C-shaped metal sheets, one end of each insulating fixing rod is connected with a clamping rod in a sliding mode, one end of each clamping rod is connected inside each insulating fixing rod in an inserting mode, a clamping spring is arranged between each clamping rod and each insulating fixing rod, two ends of each clamping spring are respectively fixed with the end of each clamping rod and the inner wall of each insulating fixing rod, and clamping balls are embedded on the other ends of the clamping rods. The invention can rapidly locate the fault point of the circuit wire and improve the detection efficiency.
Description
Technical Field
The invention relates to the technical field of power line fault detection, in particular to a power line fault detection device.
Background
The power circuit is a conductor loop for connecting a power transformation and distribution station with each electric energy user or electric equipment, and transmitting and distributing electric energy from a power supply end (the power transformation and distribution station) to a load end (the electric energy user or the electric equipment), is a circuit for transmitting electric energy among a power plant, a transformer substation and the electric power user, is an important component part of a power supply system and is responsible for transmitting and distributing electric energy;
The power line can break down due to voltage disorder in the circuit, circuit aging and natural factor damage in the using process, the circuit line in a fault area is manually and gradually checked during the fault, tools and equipment used in the checking process are collectively called as a fault detection device, and the fault line is maintained and replaced after the checking is finished.
When the power line fails, the time required for determining the failure position and the failure length of the power line is long, so that the maintenance efficiency is low; therefore, the existing requirements are not met, and for this reason we propose a power line fault detection device.
Disclosure of Invention
The invention aims to provide a power line fault detection device, which is used for solving the problems of low maintenance efficiency and the like caused by long time required for determining the fault position and the fault length of a power line when the power line provided in the background art is in fault.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a power line fault detection device, includes two remove the seat, two the inboard of removing the seat all installs a plurality of linear arrangement's fault detection module, every fault detection module all includes two symmetrical distribution's electric telescopic handle, electric telescopic handle's one end is fixed on the inner wall of removing the seat, electric telescopic handle's the other end is fixed with C shape sheetmetal, two C shape sheetmetal is symmetrical each other, two the inboard of C shape sheetmetal all is fixed with a plurality of insulating dead levers, the one end slip grafting of insulating dead lever has the clamping lever, the one end grafting of clamping lever is inside at insulating dead lever and install the clamping spring with insulating dead lever between, the both ends of clamping spring are fixed with the tip of clamping lever and the inner wall of insulating dead lever respectively, the other end mosaic of clamping lever has the centre gripping ball, the surface of C shape sheetmetal is fixed with the detection current wire, two detect and be connected with between the current wire and detect the subassembly.
Preferably, an independent power supply is installed below the electric telescopic rod, the independent power supply is fixed inside the movable seat, a power supply wire is fixed at the top end of the independent power supply, and the independent power supply is connected with the electric telescopic rod through the power supply wire.
Preferably, the detection assembly comprises an insulating protection shell, an insulating end cover is detachably arranged on the surface of the insulating protection shell, a current sensor, a processing chip, a signal transmitter, a positioning chip, a connecting wire and two protection resistors are arranged in the insulating protection shell, and the current sensor is positioned between the two protection resistors.
Preferably, the end part of the detection current wire penetrates through the insulation protection shell and extends into the insulation protection shell, the end part of the detection current wire is connected with the protection resistor through a connecting wire, the protection resistor is connected with the current sensor, the current sensor and the signal transmitter, the signal transmitter and the positioning chip through connecting wires, and the current sensor is in telecommunication connection with the processing chip, the processing chip and the signal transmitter and the positioning chip, and the signal transmitter and the positioning chip are connected with the circuit control center through wireless signals.
Preferably, two install balanced connection module between the removal seat, balanced connection module includes the dead lever, install a plurality of fixed connection blocks between dead lever and the removal seat, the fixed connection block is fixed at the surface that removes the seat, the joint groove has all been seted up to the both sides of dead lever, every all install coupling assembling between fixed connection block and the dead lever.
Preferably, the connecting assembly comprises two symmetrically distributed connecting plates, one ends of the two connecting plates are fixed on the side wall of the fixed rod, the other ends of the two connecting plates are positioned on two sides of the fixed connecting block, and the inner walls of the end parts of the two connecting plates are fixedly provided with plug-in blocks, and the plug-in blocks are plugged in the separating pieces.
Preferably, a plurality of elastic connecting ropes are linearly distributed between the two connecting plates, and two ends of each elastic connecting rope are respectively fixed with the inner walls of the two connecting plates.
Preferably, the inner walls of the end parts of the two connecting plates, which are fixedly provided with the plug-in blocks, are provided with separation sliding grooves, two symmetrical separation guide blocks are fixedly arranged on the inner walls of the two separation sliding grooves, two symmetrical separation sheets are slidingly arranged on the inner sides of the two separation sliding grooves, and a limiting connection rope is fixed between the two separation sheets.
Preferably, the upper surface of the fixed rod is fixedly provided with two symmetrically distributed air cylinders, and the inner sides of the two ends of the air cylinders are respectively provided with an electric fan in a rotating mode.
Preferably, the axes of the four electric fans are coincident, and the rotation directions of the four electric fans are the same as the generated airflow direction.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, two C-shaped metal sheets are pushed by two electric telescopic rods to be mutually adhered and enclosed outside a circuit wire, current exists in the circuit wire and can generate eddy current on the two C-shaped metal sheets, so that the eddy current can be transmitted to the inside of the electric telescopic rods along a detection current wire and is transmitted to a protection resistor and a current sensor through a connecting wire, the current sensor senses the current and then feeds back a signal to a processing chip, the processing chip can send the signal to a signal transmitter and a positioning chip after receiving the signal, the signal transmitter feeds back the signal of the current received by the current sensor to a circuit control center, the positioning chip can send the position of the device to the circuit control center at the moment to perform real-time detection information feedback, the timeliness of detection data is ensured, then the pushing device moves outside the circuit wire until the two C-shaped metal sheets move to a fault position, the current in the circuit wire disappears, the eddy current on the two C-shaped metal sheets can not sense the current, the signal transmitter and the positioning chip can send the current signal to the processing chip and the position signal of the current vanishing signal and the position of the circuit wire to the circuit control center, and the fault detection efficiency of the circuit wire can be improved;
2. When the device reaches the fault position of the circuit wire, the positioning chip feeds back the position signal and records the position signal by the circuit control center, then the device can be continuously moved on the circuit wire until eddy currents on the two C-shaped metal sheets are generated again, the eddy currents are transmitted to the protection resistor and the current sensor through the detection current lead, the current sensor senses the current again and feeds back the signal to the processing chip, the processing chip feeds back the current regenerated signal and the position signal to the circuit control center through the signal transmitter and the positioning chip, the length of the fault circuit wire can be directly determined through the change of the distance between the two position signals, the fault line length is not required to be manually determined, the troubleshooting time is shortened, and the help is provided for workers to replace the fault line;
3. According to the invention, the two separation sheets are mutually extruded and close, at the moment, the separation sheets are extruded by the separation guide blocks, so that the separation guide blocks push the end parts of the fixing rods to be outwards bent and unfolded, at the moment, the elastic connecting ropes between the two connection plates are elastically stretched, the distance between the two plug-in blocks is increased until the distance between the two plug-in blocks is larger than the width of the fixing connecting blocks, then a worker can install the connection plates on the side surfaces of the fixing connecting blocks and loosen the clamping grooves, at the moment, the elastic connecting ropes between the two connection plates elastically recover and pull the two connection plates to recover, at the moment, the plug-in blocks are plugged in the clamping grooves, the two separation sheets are extruded from the separation guide blocks, the connection plates can be connected with the fixing connecting blocks, the two movable seats are kept stable under the connection of the fixing rods, the connection plates and the fixing connecting blocks, deflection can not occur around a circuit wire, and only the two separation sheets are extruded to enable the two separation sheets to be mutually close, so that the end parts of the connection plates can be separated from the fixing connecting blocks, and the device is convenient to disassemble and recover.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a fault detection module according to the present invention;
FIG. 3 is a cross-sectional view of an insulated fixing rod according to the present invention;
FIG. 4 is a schematic diagram of a detecting assembly according to the present invention;
FIG. 5 is a schematic diagram of a balanced connection module according to the present invention;
FIG. 6 is a schematic view of a connection assembly according to the present invention;
FIG. 7 is a schematic view of the structure of the separation guide block of the present invention;
FIG. 8 is a schematic view of the structure of the separator of the present invention.
In the figure: 1. a movable seat; 2. an air duct; 3. an electrically regulated fan; 4. a fault detection module; 401. an electric telescopic rod; 402. c-shaped metal sheet; 403. detecting a current lead; 404. a detection assembly; 4041. an insulating protective case; 4042. a current sensor; 4043. a protection resistor; 4044. a processing chip; 4045. a signal transmitter; 4046. positioning a chip; 4047. connecting wires; 405. an insulating end cap; 406. an independent power supply; 407. a power supply wire; 408. an insulating fixing rod; 409. a clamping rod; 410. clamping the ball; 411. a clamping spring; 5. a balance connection module; 501. a fixed rod; 502. a connection assembly; 5021. a connecting plate; 5022. an elastic connecting rope; 5023. a plug block; 5024. separating the sheet; 5025. a limit connecting rope; 5026. separating the sliding groove; 5027. separating the guide blocks; 503. fixing the connecting block; 504. and a clamping groove.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
As shown in fig. 1 to 4, a power line fault detection device comprises two movable seats 1, a plurality of fault detection modules 4 arranged linearly are installed on the inner sides of the two movable seats 1, each fault detection module 4 comprises two symmetrically distributed electric telescopic rods 401, one ends of the electric telescopic rods 401 are fixed on the inner wall of the movable seat 1, the other ends of the electric telescopic rods 401 are fixed with C-shaped metal sheets 402, the two C-shaped metal sheets 402 are symmetrical with each other, a plurality of insulating fixing rods 408 are fixed on the inner sides of the two C-shaped metal sheets 402, one ends of the insulating fixing rods 408 are slidably inserted with clamping rods 409, one ends of the clamping rods 409 are inserted inside the insulating fixing rods 408 and are provided with clamping springs 411 between the insulating fixing rods 408, two ends of each clamping spring 411 are respectively fixed with the end parts of the clamping rods 409 and the inner wall of the insulating fixing rods 408, the other end of the clamping rod 409 is embedded with a clamping ball 410, the outer surface of the C-shaped metal sheet 402 is fixed with a detection current lead 403, a detection component 404 is connected between the two detection current leads 403, the two C-shaped metal sheets 402 are pushed by the two electric telescopic rods 401 to be mutually adhered and clamp a fault circuit wire, so that the two C-shaped metal sheets 402 form a metal cylinder outside the circuit wire, when current passes through the metal cylinder, eddy current is generated on the metal cylinder formed by the two C-shaped metal sheets 402, the eddy current can be transmitted into the detection component 404 along the detection current lead 403, then the whole device moves outside the circuit wire until no eddy current phenomenon exists on the two C-shaped metal sheets 402, the position of the two C-shaped metal sheets 402 is the fault position of the circuit wire, the eddy current phenomenon on the two C-shaped metal sheets 402 disappears because the fault position has no current, the fault point of the circuit wire can be positioned rapidly, and the detection efficiency is improved.
An independent power supply 406 is installed below the electric telescopic rod 401, the independent power supply 406 is fixed inside the movable seat 1, a power supply wire 407 is fixed at the top end of the independent power supply 406, the independent power supply 406 is connected with the electric telescopic rod 401 through the power supply wire 407, and the electric telescopic rod 401 is independently powered by the independent power supply 406, so that the electric telescopic rod 401 can independently operate, and the mutual attachment or separation of the two C-shaped metal sheets 402 is performed.
The detection component 404 comprises an insulation protection shell 4041, an insulation end cover 405 is detachably arranged on the surface of the insulation protection shell 4041, a current sensor 4042, a processing chip 4044, a signal transmitter 4045, a positioning chip 4046, a connecting wire 4047 and two protection resistors 4043 are arranged in the insulation protection shell 4041, the current sensor 4042 is positioned between the two protection resistors 4043, the protection resistors 4043 can weaken the current transmitted to the C-shaped metal sheet 402 by the detection current wire 403, and the current sensor 4042 is ensured not to be damaged or failed due to overlarge current transmitted by the detection current wire 403.
The end of the detection current wire 403 penetrates through the insulation protection shell 4041 and extends to the inside of the insulation protection shell 4041, the end of the detection current wire 403 is connected with the protection resistor 4043 through the connection wire 4047, the protection resistor 4043 is connected with the current sensor 4042, the current sensor 4042 is connected with the signal transmitter 4045, the signal transmitter 4045 is connected with the positioning chip 4046 through the connection wire 4047, the current sensor 4042 is connected with the processing chip 4044, the processing chip 4044 is connected with the signal transmitter 4045 and the positioning chip 4046 in a telecommunication way, the signal transmitter 4045 and the positioning chip 4046 are connected with the circuit control center through wireless signals, the C-shaped metal sheet 402 transmits current to the protection resistor 4043 through the detection current wire 403 and the connection wire 4047 when eddy current is generated, and transmits current to the current sensor 4042 through the protection resistor 4043, signals are fed back to the processing chip 4044 after the current sensor 4042 senses the current, the processing chip 4044 receives signals and then transmits the signals to the signal transmitter 4045 and the positioning chip 4046, the signal transmitter 4045 receives signals from the current sensor 4045 to the circuit control center, and the real-time information is transmitted to the circuit control center, and the real-time detection data is guaranteed to detect the position of the current sensor 4046.
As shown in fig. 1, fig. 5, fig. 6, fig. 7, fig. 8, install balanced connection module 5 between two removal seats 1, balanced connection module 5 includes dead lever 501, install a plurality of fixed connection blocks 503 between dead lever 501 and the removal seat 1, fixed connection blocks 503 are fixed in the surface of removing seat 1, clamping grooves 504 have all been seted up to the both sides of fixed connection blocks 503, coupling assembling 502 has all been installed between every fixed connection blocks 503 and the dead lever 501, coupling assembling 502 includes two symmetrically distributed's connecting plate 5021, the one end of two connecting plate 5021 is fixed on the lateral wall of dead lever 501, the other end of two connecting plate 5021 is located the both sides and the tip inner wall of fixed connection blocks 503 is fixed with plug-in block 5023, plug-in block 5023 is pegged graft in the separator 5024, utilize plug-in block 5023 of two connecting plate 5021 tip inboard to peg graft in clamping grooves 504, can be fixed connection blocks 503 and connecting plate 5021 for two removal seats 1 keep stable under the connection of dead lever 501, connecting plate 5021 and fixed connection 503, can not appear deflecting around the circuit connecting block.
A plurality of elastic connection ropes 5022 are linearly distributed between the two connecting plates 5021, two ends of each elastic connection rope 5022 are respectively fixed with the inner walls of the two connecting plates 5021, separation sliding grooves 5026 are formed in the inner walls of the end portions of the two connecting plates 5021, separation guide blocks 5027 are fixedly arranged on the inner walls of the two separation sliding grooves 5026, two symmetrical separation sheets 5024 are slidably arranged on the inner sides of the two separation sliding grooves 5026, limiting connection ropes 5025 are fixedly arranged between the two separation sheets 5024, the two separation sheets 5024 are mutually extruded and close to each other, at the moment, the separation sheets 5024 can be extruded by the separation guide blocks 5027, the end portions of the fixing rods 501 are elastically stretched by the separation guide blocks 5027, at the moment, the elastic connection ropes 5022 between the two connecting plates 5021 can be elastically stretched, the distance between the two connecting blocks 5023 is increased by 503 until the distance between the two connecting blocks 5023 is larger than the width of the fixing connection blocks 503, then, workers can install the connecting plates 5021 on the side surfaces of the fixing connection blocks 504, loosen the clamping grooves 504, at the moment, the two elastic connection ropes 5021 can be elastically connected with the two connecting blocks 5021 can be elastically stretched by the separation guide blocks 5021, and the two connecting blocks 5021 can be elastically connected by the connection blocks 5021, and can be restored by the elastic connection blocks 5021, and can be elastically connected with the connection blocks 5021, and can be restored by the connection blocks 5021, and can be separated by the elastic connection blocks and elastically and can be restored by the connection blocks and elastically and separated by the connection blocks and can be restored by the connecting blocks and can by the connecting blocks by the connecting connection blocks and by the connecting blocks 502by by the connecting the connection between the connection blocks and the connection between the connecting blocks and the separation blocks.
The upper surface of dead lever 501 is fixed with two symmetrically distributed dryer 2, and the both ends inboard of dryer 2 is all rotated and is installed electric accent fan 3, and the axis coincidence of four electric accent fans 3, and the direction of rotation of four electric accent fans 3 is the same with the air current flow direction that produces, utilizes the air current thrust that four electric accent fans 3 rotatory simultaneously to produce, promotes whole device to remove, changes the position of device in the circuit electric wire outside.
Working principle: when the movable seat 1 is used, the movable seat 1 is arranged below a faulty circuit wire, then the electric telescopic rods 401 are powered by an independent power supply 406, the two C-shaped metal sheets 402 are pushed by the two electric telescopic rods 401 to be mutually adhered and clamp the faulty circuit wire, so that a metal cylinder is formed outside the circuit wire by the two C-shaped metal sheets 402, when current passes through the metal cylinder, eddy current is generated on the metal cylinder formed by the two C-shaped metal sheets 402, the eddy current is transmitted to the detection assembly 404 along the detection current lead 403, the C-shaped metal sheets 402 transmit current to the protection resistor 4043 through the detection current lead 403 and the connection lead 4047 when the eddy current is generated, and transmit the current to the current sensor 4042 through the protection resistor 4043, after the current sensor 4042 senses the current, signals are fed back to the processing chip 4044, the processing chip 4044 sends the signals to the signal transmitter 4045 and the positioning chip 4046, the signal transmitter 4045 feeds back the signals received by the current to the circuit control center, and the positioning chip 4046 transmits the position of the detection device to the detection center, and the real-time performance of the detection circuit is guaranteed;
Then the whole device moves outside the circuit wire, the positioning chip 4046 feeds back the position signal in real time in the whole device moving process until the two C-shaped metal sheets 402 move to the fault position of the circuit wire, no current exists at the fault position, then the current generated by the eddy current phenomenon on the two C-shaped metal sheets 402 disappears when the two C-shaped metal sheets 402 reach the fault position, the positioning chip 4046 feeds back the signal in a key way, meanwhile, the current sensor 4042 cannot sense the current and feeds back the signal to the processing chip 4044, the processing chip 4044 feeds back the signal of the disappearance of the current sensed by the current sensor 4042 to the circuit control center through the signal transmitter 4045, and the circuit control center records the circuit position according to the signal feedback of the signal transmitter 4045 and the positioning chip 4046, so that the fault point of the circuit wire can be positioned quickly, and the detection efficiency can be improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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 (4)
1. The utility model provides a power line fault detection device, includes two removal seats (1), its characterized in that: a plurality of fault detection modules (4) which are arranged linearly are arranged on the inner sides of the two movable bases (1), each fault detection module (4) comprises two symmetrically distributed electric telescopic rods (401), one ends of the electric telescopic rods (401) are fixed on the inner wall of the movable base (1), C-shaped metal sheets (402) are fixed on the other ends of the electric telescopic rods (401), the two C-shaped metal sheets (402) are mutually symmetrical, a plurality of insulating fixing rods (408) are fixed on the inner sides of the two C-shaped metal sheets (402), clamping rods (409) are slidably inserted into one ends of the insulating fixing rods (408), clamping springs (411) are arranged between one ends of the clamping rods (409) and the insulating fixing rods (408), two ends of each clamping spring (411) are respectively fixed with the end parts of the clamping rods (409) and the inner wall of the insulating fixing rods (408), clamping balls (410) are inlaid on the other ends of the clamping rods (409), and the outer surfaces (403) of the C-shaped metal sheets (403) are fixedly connected with current detection wires (404), and detection assemblies (404) are fixedly connected with current detection wires;
A balance connection module (5) is arranged between the two movable seats (1), the balance connection module (5) comprises a fixed rod (501), a plurality of fixed connection blocks (503) are arranged between the fixed rod (501) and the movable seats (1), the fixed connection blocks (503) are fixed on the outer surface of the movable seats (1), clamping grooves (504) are formed in two sides of the fixed rod (501), and a connection assembly (502) is arranged between each fixed connection block (503) and each fixed rod (501);
the connecting assembly (502) comprises two symmetrically distributed connecting plates (5021), one ends of the two connecting plates (5021) are fixed on the side wall of the fixed rod (501), the other ends of the two connecting plates (5021) are positioned on two sides of the fixed connecting block (503), inserting blocks (5023) are fixed on the inner walls of the end parts of the connecting blocks, and the inserting blocks (5023) are inserted into the separating pieces (5024);
A plurality of elastic connecting ropes (5022) are linearly distributed between the two connecting plates (5021), and two ends of each elastic connecting rope (5022) are respectively fixed with the inner walls of the two connecting plates (5021);
A separation chute (5026) is formed in the inner wall of the end part of each connecting plate (5021) fixed with an inserting block (5023), two symmetrical separation guide blocks (5027) are fixedly arranged on the inner wall of each separation chute (5026), two symmetrical separation sheets (5024) are arranged on the inner sides of each separation chute (5026), and a limiting connecting rope (5025) is fixed between each two separation sheets (5024);
two symmetrically distributed air cylinders (2) are fixed on the upper surface of the fixed rod (501), and electric regulating fans (3) are rotatably arranged on the inner sides of two ends of each air cylinder (2);
the axes of the four electric adjusting fans (3) are coincident, and the rotation directions of the four electric adjusting fans (3) are the same as the generated airflow direction.
2. The power line fault detection device according to claim 1, wherein: an independent power supply (406) is arranged below the electric telescopic rod (401), the independent power supply (406) is fixed inside the movable seat (1) and a power supply wire (407) is fixed at the top end of the independent power supply (406), and the independent power supply (406) is connected with the electric telescopic rod (401) through the power supply wire (407).
3. The power line fault detection device according to claim 1, wherein: the detection assembly (404) comprises an insulation protection shell (4041), an insulation end cover (405) is detachably arranged on the surface of the insulation protection shell (4041), a current sensor (4042), a processing chip (4044), a signal transmitter (4045), a positioning chip (4046), a connecting wire (4047) and two protection resistors (4043) are arranged in the insulation protection shell (4041), and the current sensor (4042) is located between the two protection resistors (4043).
4. A power line fault detection device according to claim 3, wherein: the end of the detection current lead (403) penetrates through the insulation protection shell (4041) and extends to the inside of the insulation protection shell (4041), the end of the detection current lead (403) is connected with the protection resistor (4043) through a connecting lead (4047), the protection resistor (4043) is connected with the current sensor (4042), the current sensor (4042) is connected with the signal transmitter (4045), the signal transmitter (4045) is connected with the positioning chip (4046) through the connecting lead (4047), the current sensor (4042) is in telecommunication connection with the processing chip (4044), the processing chip (4044) is in telecommunication connection with the signal transmitter (4045) and the positioning chip (4046), and the signal transmitter (4045) and the positioning chip (4046) are connected with the circuit control center through wireless signals.
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| CN202410473082.5A CN118091327B (en) | 2024-04-19 | 2024-04-19 | Power line fault detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113075513A (en) * | 2021-04-01 | 2021-07-06 | 厦门启舞贸易有限公司 | Device for detecting insulativity of wire insulating layer |
| CN219225043U (en) * | 2022-12-09 | 2023-06-20 | 苏阳 | Electric wire leakage checking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102086653B1 (en) * | 2019-09-04 | 2020-03-09 | 주식회사 파워토스 | Enclosure of power line equipment and its installation mechanism, and power line equipment having the same |
| CN212693993U (en) * | 2020-04-15 | 2021-03-12 | 新疆中超新能源电力科技有限公司 | Detection device for detecting integrity of wire insulation sheath |
| CN112858835B (en) * | 2020-12-31 | 2024-03-15 | 河南华能联合电力建设有限公司 | Cable identification equipment and power construction overhaul cable identification method |
| CN114720829A (en) * | 2022-04-19 | 2022-07-08 | 宁波北仑第三集装箱码头有限公司 | Cable insulation detection and fault early warning positioning device |
| CN116613667A (en) * | 2022-11-25 | 2023-08-18 | 国网山东省电力公司日照供电公司 | Power transmission line state detection device based on power safety production |
| CN219891347U (en) * | 2023-02-02 | 2023-10-24 | 安徽省产品质量监督检验研究院 | Cable insulation detection device |
| CN219980243U (en) * | 2023-03-31 | 2023-11-07 | 国新(河南)能源技术有限公司 | Fault processing device for power distribution network of power grid |
| CN117761447A (en) * | 2023-11-07 | 2024-03-26 | 贵州电网有限责任公司 | Cable fault monitoring and detecting system and diagnosis device thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075513A (en) * | 2021-04-01 | 2021-07-06 | 厦门启舞贸易有限公司 | Device for detecting insulativity of wire insulating layer |
| CN219225043U (en) * | 2022-12-09 | 2023-06-20 | 苏阳 | Electric wire leakage checking device |
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