CN115598464A - Device and method for detecting and repairing high-voltage and low-voltage circuit at tail end of cable - Google Patents
Device and method for detecting and repairing high-voltage and low-voltage circuit at tail end of cable Download PDFInfo
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- CN115598464A CN115598464A CN202211222208.9A CN202211222208A CN115598464A CN 115598464 A CN115598464 A CN 115598464A CN 202211222208 A CN202211222208 A CN 202211222208A CN 115598464 A CN115598464 A CN 115598464A
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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
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
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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
- G01R31/11—Locating faults in cables, transmission lines, or networks using pulse reflection methods
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/16—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for repairing insulation or armouring of cables
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- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
Abstract
The invention discloses a device and a method for detecting and repairing a high-voltage and low-voltage circuit at the tail end of a cable, which relate to the field of cable detection equipment and comprise the following steps: a disconnection detection component; the first breakpoint position judgment component comprises a voltage detection signal sending module and a first detection module; the second breakpoint position judgment component comprises a low-voltage pulse detection signal sending module and a second detection module; the third breakpoint position judging component comprises a high-voltage electric pulse detection signal sending module and a third detection module; the mobile detection vehicle is provided with a data processing unit and a metal probe, the data of the three detection modules are connected with the data processing unit, and the metal probe can sense the direction of the detected cable; the breakpoint repairing component is movably arranged on the mobile detection vehicle; the control unit is connected with the circuit breaking detection assembly, the mobile detection vehicle, the data processing unit and the breakpoint repair assembly.
Description
Technical Field
The invention belongs to the field of cable detection equipment, and particularly relates to a device and a method for detecting and repairing a high-voltage and low-voltage circuit at the tail end of a cable.
Background
At present, the cable can be applied to the aspects of living heating, pipeline heat preservation and the like, when the cable is in a fault that insulation is reduced and punctured, the cable is difficult to discover, the heating heat preservation effect is lost, and how to detect the cable becomes a problem which needs to be solved urgently at present; in addition, the cable is located below the ground, and when the cable with problems needs to be repaired, the problems of long repair time and high repair cost are caused.
Disclosure of Invention
The invention aims to provide a device and a method for detecting and repairing a high-low voltage circuit at the tail end of a cable, when the detected cable is abnormal, a voltage detection signal sending module and a low-voltage pulse detection signal sending module are used for loading voltage and pulse signals to one end of the detected cable, a data processing unit rapidly determines the approximate position of a breakpoint through a first detection module and a second detection module, pulse voltage is added to the detected cable through the high-voltage pulse detection signal sending module, a third detection module is used for determining the accurate position, and finally a breakpoint repair assembly on a mobile detection vehicle is used for repairing the detected cable, so that the repair time is shortened, and economic loss is avoided.
In order to achieve the above object, the present invention provides a device for detecting and repairing a high-low voltage circuit at a cable end, comprising:
the circuit breaking detection assembly comprises a detection circuit and an indicator light, and a detected cable is sequentially connected with the detection circuit and the indicator light;
the device comprises a first breakpoint position judgment component, a second breakpoint position judgment component and a control component, wherein the first breakpoint position judgment component comprises a voltage detection signal sending module and a first detection module;
the second breakpoint position judgment component comprises a low-voltage pulse detection signal sending module and a second detection module;
the third breakpoint position judgment component comprises a high-voltage electric pulse detection signal sending module and a third detection module;
the mobile detection vehicle is provided with a data processing unit and a metal probe, the data of the first detection module, the data of the second detection module and the data of the third detection module are connected with the data processing unit, and the metal probe can sense the trend of the detected cable;
the breakpoint repair assembly is movably arranged on the mobile detection vehicle and comprises a high-voltage pulse gun, a cable standby material box, a cable cutter and a cable crimping pliers;
the control unit is connected with the broken circuit detection assembly, the mobile detection vehicle, the data processing unit and the breakpoint repair assembly.
Optionally, the trip detection assembly comprises:
the support is provided with a V-shaped opening at the bottom, a U-shaped groove is formed inside the support, and a mounting hole is formed in the groove wall of the groove along the horizontal direction;
the flip pressing plate, the one end of flip pressing plate with the hinged-support of support is connected, the pilot lamp with detection circuitry sets up on the flip pressing plate, the flip pressing plate can with it is sealed and locking to examine the cable pressfitting.
Optionally, a through hole is formed in the flip pressing plate, the through hole is provided with a guide groove, the detected cable is matched with the guide groove, at least one positioning pin is arranged on the flip pressing plate, at least one positioning hole is formed in the upper end of the support, and the positioning hole is matched with the positioning pin in an inserting manner.
Optionally, be provided with the spliced pole on the hinged-support of support, detection circuitry sets up in the spliced pole, the top spiro union of spliced pole has the transparent lamp shade that has rhombus edges and corners, the pilot lamp sets up in the transparent lamp shade, the pilot lamp has connect the refraction light source.
Optionally, a cable tube is arranged in the connecting column, the cable tube and the guide groove are correspondingly arranged, the detected cable penetrates through the cable tube and is connected with the detection circuit, the detected cable can be electrically connected with high voltage electricity or low voltage electricity, the high voltage electricity is 85V-260V, and the low voltage electricity is 36V-48V.
Optionally, the voltage detection signal sending module is disposed at one end of the detected cable and provides a set voltage, the first detection module is an induction end, and the induction end can induce an acoustic-optical signal of the detected cable.
Optionally, the low-voltage pulse detection signal sending module is disposed at one end of the detected cable and provides a low-voltage pulse signal, and the second detection module is a timer capable of acquiring an interval time between transmission and reception of the low-voltage pulse signal.
Optionally, the high-voltage electric pulse detection signal sending module is disposed at one end of the detected cable and provides a pulse signal, and the third detection module is an acoustic wave device capable of acquiring a discharging sound when the pulse signal increases.
Optionally, the high-voltage pulse gun is provided with two welding ends, and the welding ends are respectively arranged at two ends of a breakpoint of the detected cable.
The invention also provides a method for detecting and repairing the high-voltage and low-voltage circuit at the tail end of the cable, which utilizes the device for detecting and repairing the high-voltage and low-voltage circuit at the tail end of the cable, and comprises the following steps:
the disconnection detection assembly finds that the detected cable has a disconnection phenomenon and sends a signal to the control unit;
the control unit sends a breakpoint position judgment instruction to the mobile detection vehicle, the voltage detection signal sending module and the low-voltage pulse detection signal sending module load voltage and low-voltage pulses to the detected cable, the first detection module and the second detection module respectively send breakpoint position data to the data processing unit, the data processing unit analyzes the breakpoint position data, the data processing unit sends the breakpoint position data to the third breakpoint position judgment component, and the third breakpoint position judgment component finally determines the breakpoint position of the detected cable;
and the breakpoint repairing assembly moves to the final position of the breakpoint to repair the detected cable.
The invention provides a device and a method for detecting and repairing a high-voltage and low-voltage circuit at the tail end of a cable, which have the beneficial effects that:
1. the cable is fixed in the flip pressing plate by the detection tail end, each cable is separately placed through the guide groove, and the separated cable penetrates into the cable pipe, so that the cable is prevented from being damaged due to winding or transitional bending;
2. this detect tail end is when the pilot lamp extinguishes, and the removal detects the car just automatic start, and three breakpoint position judgement subassemblies are confirmed the breakpoint position of being examined the cable according to the order, can be quick accurate find the breakpoint position and restore, have reduced the economic loss that the cable damage caused.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic structural diagram of a disconnection detection assembly according to an embodiment of the present invention.
Fig. 2 shows a schematic diagram of an internal structure of a disconnection detection assembly according to an embodiment of the present invention.
FIG. 3 illustrates a top view of a continuity testing assembly in accordance with one embodiment of the present invention.
Fig. 4 illustrates an exploded view of a continuity testing assembly in accordance with one embodiment of the present invention.
FIG. 5 shows a schematic view of the internal structure of a connecting stud according to one embodiment of the present invention.
Fig. 6 shows a flow chart of a method for detecting and repairing a high-low voltage circuit at the end of a cable according to an embodiment of the invention.
Description of reference numerals:
1. a support; 2. mounting holes; 3. a cover-turning pressing plate; 4. positioning holes; 5. positioning pins; 6. connecting columns; 7. a transparent lampshade; 8. a cable duct; 9. a support plate; 10. and (5) reinforcing ribs.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a detection and repair device for a high-voltage and low-voltage circuit at the tail end of a cable, which comprises:
the circuit breaking detection assembly comprises a detection circuit and an indicator light, and a detected cable is sequentially connected with the detection circuit and the indicator light;
the first breakpoint position judgment component comprises a voltage detection signal sending module and a first detection module;
the second breakpoint position judgment component comprises a low-voltage pulse detection signal sending module and a second detection module;
the third breakpoint position judgment component comprises a high-voltage electric pulse detection signal sending module and a third detection module;
the mobile detection vehicle is provided with a data processing unit and a metal probe, the data of the first detection module, the data of the second detection module and the data of the third detection module are connected with the data processing unit, and the metal probe can sense the trend of a detected cable;
the breakpoint repair assembly is movably arranged on the mobile detection vehicle and comprises a high-voltage pulse gun, a cable standby material box, a cable cutter and cable crimping pliers;
the control unit is connected with the disconnection detection assembly, the mobile detection vehicle, the data processing unit and the breakpoint restoration assembly.
Specifically, the detection and repair device connects the disconnection detection assembly to the tail end of the detected cable, the connection condition of the detected cable is observed through the on-off of the indicator lamp, the disconnection detection assembly sends a signal to the control unit when the indicator lamp is turned off, so that the control unit starts the movable detection vehicle and the first and second breakpoint position judgment assemblies, the voltage detection signal sending module and the low-voltage pulse detection signal load voltage and low-voltage pulse signals to the detected cable, the metal probe can detect the trend of the cable, the movable detection vehicle, the first detection module and the second detection module are driven to move, the first detection module and the second detection module send judgment data of the breakpoint position to the data processing unit, the data processing unit sends the judgment data to the movable detection vehicle through data processing, the movable detection vehicle carries the high-voltage pulse detection signal sending module to move to the approximate position of the breakpoint, pulse voltage is added to the detected cable, the third detection module can judge the accurate position of the breakpoint, and finally the breakpoint of the cable is repaired through the breakpoint repair assembly.
For example, the probe on the mobile detection vehicle can be set as a metal detector, the probe forms a magnetic field under the action of alternating current, so that the cable as metal can influence the balance of the magnetic field, when the cable exists in the magnetic field range of the probe, the magnetic field is interfered, the generated corresponding induced electrical signal is transmitted to the loudspeaker through conversion, a prompt tone is given out, and the mobile detection vehicle can be explained to move the probe along the direction of the cable to be set on the mobile detection vehicle as long as the prompt tone exists all the time. The trend of the bought underground cable is detected by a metal detection mode.
Furthermore, when the cable is connected and electrified with the voltage detection signal sending module and the high-voltage electric pulse detection signal sending module, the detected cable can generate electromagnetism, the free end of the probe is bent due to the magnetic induction effect, an angle sensor can be arranged on one side of the probe, the angle sensor judges the trend of the cable by monitoring the offset angle of the probe, and finally the angle sensor feeds back a direction signal to the control unit, so that the automatic control of the mobile detection vehicle is realized; and/or connecting the two ends of the detected cable (the middle of the cable is provided with a break point) to the voltage transmitting modules respectively. One end of the voltmeter is connected to one end of the cable, the other end of the voltmeter is connected with the metal probe, the movable detection vehicle is pushed by a worker to move along the cable, and the metal probe moves in a manner of being attached to the ground. And when the numerical value displayed by the voltmeter is the maximum, judging the numerical value as a breakpoint area. .
In one embodiment, the worker pushes the mobile detection vehicle to move according to the length of the breakpoint distance received by the first detection module and the length of the breakpoint distance obtained by the second detection module, and determines the moving direction according to the acousto-optic signal of the first detection module before the breakpoint distance is finished, so that the mobile detection vehicle can move along the moving direction of the cable, and when the breakpoint distance is finished, the acousto-optic signal of the first detection module starts to be weak, and the breakpoint position needs to be specifically determined through the third detection module.
Optionally, the trip detection assembly comprises:
the support comprises a support, a V-shaped opening is formed in the bottom of the support, a U-shaped groove is formed in the support, and mounting holes are formed in the wall of the groove in the horizontal direction;
the flip clamp plate, the hinge support of flip clamp plate's one end and support is connected, and pilot lamp and detection circuitry set up on the flip clamp plate, and the flip clamp plate can be sealed and locking with examining the cable pressfitting.
Specifically, the tail end of the detection strip lamp is fixed through a support, a flip pressing plate is hinged to the support, the detected cable is limited through the flip pressing plate, the detected cable is guaranteed to be firmly connected with a detection circuit, and the indicator lamp connecting cover assembly can detect the working state of the detected cable; when the detected cable is connected in the support in a penetrating manner, the detected cable is wrapped continuously through the protective sleeve, so that the phenomenon that the insulation layer of the detected cable is damaged by the support when the detected cable moves in the support and the detected cable is punctured is avoided; the angle surface of the V-shaped opening can adapt to installation of multiple scenes, an accommodating cavity is further arranged in the support, the groove is communicated with the accommodating cavity, a vertical communicating cavity is formed in the support, and the detected cable is inserted into the communicating cavity to effectively protect the end part of the detected cable; one side of support is provided with the mounting hole, can fix this detection tape light tail end on the wall body through the mounting hole, increases this check out test set's application scope.
Optionally, a through hole is formed in the flip pressing plate, the through hole is provided with a guide groove, the detected cable is matched with the guide groove, at least one positioning pin is arranged on the flip pressing plate, at least one positioning hole is formed in the upper end of the support, and the positioning hole is in plug-in fit with the positioning pin.
Specifically, after the cables to be detected penetrate out of the support, the cables to be detected pass through the through holes, and the guide grooves are used for fixing the cables to be detected in the through holes respectively, so that the cables to be detected are prevented from being loose and damaged due to no fixation; the support is provided with positioning holes at the positions opposite to the hinged support, and the flip pressing plate is provided with positioning pins, so that the flip pressing plate can not generate too large deflection displacement in the opening and closing process of the support, and the flip pressing plate can not cause too large bending deformation of the detected cable
In one embodiment, two positioning holes are formed in the support, the positioning holes are provided with internal threads, a first bolt is arranged on the flip pressing plate, a second bolt is arranged on the connecting column, a groove is formed in the position, opposite to the second bolt, of the flip pressing plate, when the flip pressing plate is installed on the support, the first bolt is in threaded connection with one positioning hole, a reserved installation space is formed in the other positioning hole through the groove, when the connecting column is installed on the flip pressing plate, the second bolt is in threaded connection with the other positioning hole through the reserved installation space, therefore, the flip pressing plate and the connecting column can be stably connected with the support, the space through which a cable to be detected is arranged is guaranteed to be stable and not to deform, and the cable to be detected is prevented from being damaged.
Optionally, a connecting column is arranged on the hinged support of the support, the detection circuit is arranged in the connecting column, a transparent lampshade with diamond-shaped edges is screwed on the top of the connecting column, the indicator light is arranged in the transparent lampshade, and the indicator light is connected with the refraction light source.
Specifically, the connecting column is also connected through a hinged support on the support, after the flip pressing plate is buckled on the support, the connecting column is buckled above the flip pressing plate, so that the detection circuit and the detected cable can be stably connected, and the transparent lampshade is arranged at the top of the connecting column, so that the indicator light and the detection circuit can be effectively protected, and the detection of the working state of the detected cable is not influenced; the top of spliced pole is equipped with the internal thread, and the bottom of transparent lamp shade is provided with the external screw thread, and transparent lamp shade inlays the inside of locating the spliced pole like this and connects.
In one embodiment, the hinge support of the support is two connecting plates which are parallel to each other, the two connecting plates are correspondingly provided with pin holes, one end, close to the hinge support, of the flip cover pressing plate is provided with two first hinged plates which are parallel to each other, the two first hinged plates are correspondingly provided with first pin holes, the two first hinged plates are arranged between the two connecting plates, one sides, away from each other, of the first hinged plates are attached to one sides, close to the connecting plates, of the connecting columns, one end, close to the hinge support, of the connecting columns is provided with a second hinged plate, the second hinged plate is arranged between the two first hinged plates, two sides of the second hinged plate are attached to one side, close to each other, of the two first hinged plates, after the flip cover pressing plate and the connecting columns are sequentially mounted on the support, the pin holes are communicated with the first pin holes and the second pin holes, the hinge connection between the flip cover pressing plate and the support is realized through the pin, the hinge connection between the flip cover pressing plate and the support can be limited in the opening and closing movement track of the flip cover pressing plate and the connecting columns, and the cables fixed in the flip cover pressing plate and the connecting columns are prevented from being too large and causing cable damage.
Optionally, a cable tube is arranged in the connecting column, the cable tube is arranged corresponding to the guide groove, the detected cable penetrates through the cable tube to be connected with the detection circuit, and the detected cable can be electrically connected with high voltage or low voltage, wherein the high voltage is 85V-260V, and the low voltage is 36V-48V.
Specifically, set up a plurality of cable ducts in the spliced pole, the cable duct is the same with the quantity of guide way, guarantees every to be examined the cable and stretches out the back from a guide way and get into the cable duct that corresponds, fixes every position of examining the cable like this, avoids a plurality of cables of examining to be mixed together, causes wearing and tearing easily, should be examined the cable and can be used for being connected with high-tension electricity, can also be connected with the low-tension electricity, should be examined the cable and can be used for solar energy transmission.
In one embodiment, the cable detection device is further provided with a supporting plate, the supporting plate is arranged in the connecting column in the horizontal direction, the cable tubes are vertically arranged on the supporting plate through reinforcing ribs, each detected cable can be firmly connected with the detection circuit through the cable tubes, and the situation that the indicator lamp is not bright due to the connection condition of the detected cable is avoided, the cable is mistakenly considered to be damaged, and the detection result of the tail end of the detection strip lamp is influenced.
Optionally, the voltage detection signal sending module is disposed at one end of the detected cable and provides a set voltage, and the first detection module is a sensing end capable of sensing an acousto-optic signal of the detected cable.
Specifically, this first breakpoint position judges subassembly will send the module setting at the end of the cable of being examined, connect 220V voltage, and the response end is examined along the trend of the cable of being examined, and the acousto-optic signal of response end remains stable always, and when the region through the breakpoint, the acousto-optic signal takes place obvious change, and first breakpoint position judges the subassembly just can be through first detection module to data processing unit like this.
Optionally, the low-voltage pulse detection signal sending module is disposed at one end of the detected cable and provides a low-voltage pulse signal, and the second detection module is a timer capable of acquiring an interval time between transmission and reception of the low-voltage pulse signal.
Specifically, the subassembly is judged to the second breakpoint position and low voltage pulse signal is applyed to the cable that is examined, low voltage pulse signal propagates in the cable, when low voltage pulse signal met the breakpoint position, low voltage pulse signal will reflect back, the time of the round trip of pulse signal is recorded to the timer, and obtain length through the operation, this length is 2 times of the distance of low voltage pulse detection signal sending module to the breakpoint position, last second detection module is sending breakpoint positional information to data processing unit, data processing unit just can send positional information for removing the detection car through two preceding detection module like this.
Alternatively, the high voltage electric pulse detection signal transmission module is disposed on the cable to be detected and supplies the pulse signal, and the third detection module is an acoustic wave device capable of acquiring a discharging sound when the pulse signal increases.
Specifically, two end points are taken when the mobile detection vehicle reaches the cable breakpoint position, one end of the mobile detection vehicle is connected with the high-voltage electric pulse detection signal sending module, the other end of the mobile detection vehicle is grounded, pulse voltage is increased for the high-voltage electric pulse detection signal sending module, so that breakdown discharge can occur in gaps at the breakpoint, the final position of the cable breakpoint can be determined through the acoustic wave device, and the repairing efficiency is improved.
Optionally, the high-voltage pulse gun is provided with two welding ends, and the welding ends are respectively arranged at two ends of a breakpoint of the detected cable.
When the breakpoint of the detected cable is repaired, firstly, a high-voltage pulse gun is adopted to weld high-voltage pulses applied to two ends of the breakpoint, whether the indicator lamp is lightened is observed, if the indicator lamp is not lightened, the damaged cable is cut off by adopting a cable cutter, the cable with the same length is intercepted in a cable standby material box, the intercepted cable is connected well by the cable clamp, the repaired cable is detected by the breakpoint judgment assembly, and the successful repair is ensured.
In one embodiment, the breakpoint repairing assembly is in a ring structure and is movably arranged on the periphery of the detected cable, when the breakpoint repairing assembly moves to the breakpoint position of the cable, the cable cutter firstly contacts with the detected cable to cut off the damaged cable, then the cables with equal length are cut in the cable standby material box, and the end part of the cut cable is tightly connected with the cut end of the cable through the cable crimping pliers, so that the automatic repairing of the cable is realized.
The invention also provides a method for detecting and repairing the high-voltage and low-voltage circuit at the tail end of the cable, which utilizes the device for detecting and repairing the high-voltage and low-voltage circuit at the tail end of the cable, and comprises the following steps:
the disconnection detection assembly detects that the detected cable is disconnected and sends a signal to the control unit;
the control unit sends a breakpoint position judgment instruction to the mobile detection vehicle, the voltage detection signal sending module and the low-voltage pulse detection signal sending module load voltage and low-voltage pulses to the detected cable, the first detection module and the second detection module respectively send breakpoint position data to the data processing unit, the data processing unit analyzes the breakpoint position data, the data processing unit sends the breakpoint position data to the third breakpoint position judgment component, and the third breakpoint position judgment component finally determines the breakpoint position of the detected cable;
and the breakpoint repairing assembly moves to the final position of the breakpoint to repair the detected cable.
Specifically, according to the detection and repair method, the range of the breakpoint of the detected cable is rapidly reduced through the first breakpoint position judgment assembly and the second breakpoint position judgment assembly, then the third breakpoint position judgment assembly is conveyed to the breakpoint position to be accurately positioned under the driving of the movable detection vehicle, the fault processing time is shortened, and finally the breakpoint repair assembly is used for repairing.
Examples
As shown in fig. 1 to 6, the present invention provides a device for detecting and repairing a high-low voltage circuit at a cable end, comprising:
the broken circuit detection assembly comprises a detection circuit and an indicator light, and the detected cable is sequentially connected with the detection circuit and the indicator light;
the first breakpoint position judgment component comprises a voltage detection signal sending module and a first detection module;
the second breakpoint position judgment component comprises a low-voltage pulse detection signal sending module and a second detection module;
the third breakpoint position judging component comprises a high-voltage electric pulse detection signal sending module and a third detection module;
the mobile detection vehicle is provided with a data processing unit and a metal probe, the data of the first detection module, the data of the second detection module and the data of the third detection module are connected with the data processing unit, and the metal probe can sense the trend of a detected cable;
the breakpoint repairing assembly is movably arranged on the mobile detection vehicle and comprises a high-voltage pulse gun, a cable standby material box, a cable cutter and a cable crimping pliers;
the control unit is connected with the disconnection detection assembly, the mobile detection vehicle, the data processing unit and the breakpoint restoration assembly.
In this embodiment, the disconnection detecting assembly includes:
the support comprises a support 1, wherein a V-shaped opening is formed in the bottom of the support 1, a U-shaped groove is formed in the support 1, and a mounting hole 2 is formed in the groove wall of the groove in the horizontal direction;
flip clamp plate 3, flip clamp plate 3's one end is connected with the hinged-support of support 1, and pilot lamp and detection circuitry set up on flip clamp plate 3, and flip clamp plate 3 can be sealed and locking by the cable pressfitting of examining.
In this embodiment, the flip cover pressing plate 3 is provided with a through hole, the through hole is provided with a guide groove, the detected cable is matched with the guide groove, the flip cover pressing plate 3 is provided with at least one positioning pin 5, the upper end of the support 1 is provided with at least one positioning hole 4, and the positioning hole 4 is matched with the positioning pin 5 in an inserting manner.
In this embodiment, the hinged support of the support 1 is provided with a connecting column 6, the detection circuit is arranged in the connecting column 6, the top of the connecting column 6 is screwed with a transparent lampshade 7 with diamond edges, the indicator light is arranged in the transparent lampshade 7, and the indicator light is connected with a refraction light source.
In this embodiment, be provided with cable pipe 8 in the spliced pole 6, cable pipe 8 corresponds the setting with the guide way, and the cable of being examined passes cable pipe 8 and detection circuitry is connected.
In this embodiment, a support plate 9 is provided in the connecting column 6, the cable tube 8 is provided on the support plate 9, and the periphery of the cable tube 8 is connected with the support plate 9 through a reinforcing rib 10.
In this embodiment, the voltage detection signal sending module is disposed at one end of the detected cable and provides a set voltage, the first detection module is a sensing end, and the sensing end can sense an acousto-optic signal of the detected cable.
In this embodiment, the low voltage pulse detection signal sending module is disposed at one end of the detected cable and provides a low voltage pulse signal, and the second detection module is a timer capable of acquiring an interval time between transmission and reception of the low voltage pulse signal.
In this embodiment, the high voltage electric pulse detection signal transmission module is disposed on the detected cable and provides the pulse signal, and the third detection module is an acoustic wave device capable of acquiring the discharging sound when the pulse signal increases.
In this embodiment, the high voltage pulse gun is provided with two welding ends, and the welding ends are respectively arranged at two ends of the break point of the detected cable.
The invention also provides a method for detecting and repairing the high-voltage and low-voltage circuit at the tail end of the cable, which utilizes the device for detecting and repairing the high-voltage and low-voltage circuit at the tail end of the cable, and comprises the following steps:
the disconnection detection assembly detects that the detected cable is disconnected and sends a signal to the control unit;
the control unit sends a breakpoint position judgment instruction to the mobile detection vehicle, the voltage detection signal sending module and the low-voltage pulse detection signal sending module load voltage and low-voltage pulses to the detected cable, the first detection module and the second detection module respectively send breakpoint position data to the data processing unit, the data processing unit analyzes the breakpoint position data, the data processing unit sends the breakpoint position data to the third breakpoint position judgment component, and the third breakpoint position judgment component finally determines the breakpoint position of the detected cable;
and moving the breakpoint repairing assembly to the final position of the breakpoint to repair the detected cable.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A device for detecting and repairing a high-voltage circuit at the end of a cable, comprising:
the circuit breaking detection assembly comprises a detection circuit and an indicator light, and a detected cable is sequentially connected with the detection circuit and the indicator light;
the device comprises a first breakpoint position judgment component, a second breakpoint position judgment component and a control component, wherein the first breakpoint position judgment component comprises a voltage detection signal sending module and a first detection module;
the second breakpoint position judgment component comprises a low-voltage pulse detection signal sending module and a second detection module;
the third breakpoint position judging component comprises a high-voltage electric pulse detection signal sending module and a third detection module;
the mobile detection vehicle is provided with a data processing unit and a metal probe, the data of the first detection module, the data of the second detection module and the data of the third detection module are connected with the data processing unit, and the metal probe can sense the trend of the detected cable;
the control unit is connected with the disconnection detection assembly, the mobile detection vehicle and the data processing unit.
2. The apparatus for testing and repairing a high and low voltage circuit at an end of a cable according to claim 1, wherein said disconnection testing assembly comprises:
the support is provided with a V-shaped opening at the bottom, a U-shaped groove is formed inside the support, and a mounting hole is formed in the groove wall of the groove along the horizontal direction;
the flip pressing plate, the one end of flip pressing plate with the hinged-support of support is connected, the pilot lamp with detection circuitry sets up on the flip pressing plate, the flip pressing plate can with it is sealed and locking to examine the cable pressfitting.
3. The device for detecting and repairing a high-voltage and low-voltage circuit at the tail end of a cable according to claim 2, wherein a through hole is formed in the flip pressing plate, a guide groove is formed in the through hole, the cable to be detected is matched with the guide groove, at least one positioning pin is arranged on the flip pressing plate, at least one positioning hole is formed in the upper end of the support, and the positioning hole is matched with the positioning pin in an inserting manner.
4. The device for detecting and repairing the high-voltage and low-voltage circuit at the tail end of the cable according to claim 3, wherein a connecting column is arranged on a hinged support of the support, the detection circuit is arranged in the connecting column, a transparent lampshade with diamond-shaped edges is screwed on the top of the connecting column, the indicator lamp is arranged in the transparent lampshade, and the indicator lamp is connected with a refraction light source.
5. The device for detecting and repairing the high-voltage and low-voltage circuit at the tail end of the cable according to claim 4, wherein a cable tube is arranged in the connecting column and corresponds to the guide groove, the detected cable penetrates through the cable tube to be connected with the detection circuit, the detected cable can be electrically connected with high voltage electricity or low voltage electricity, the high voltage electricity is 85V-260V, and the low voltage electricity is 36V-48V.
6. The apparatus for detecting and repairing a high-voltage and low-voltage circuit at the end of a cable according to claim 1, wherein the voltage detection signal sending module is disposed at one end of the detected cable and provides a set voltage, and the first detection module is a sensing end capable of sensing an acousto-optic signal of the detected cable.
7. The apparatus for detecting and repairing a high-voltage and low-voltage circuit at the end of a cable according to claim 1, wherein the low-voltage pulse detection signal sending module is disposed at one end of the detected cable and provides a low-voltage pulse signal, and the second detection module is a timer capable of acquiring an interval time between transmission and reception of the low-voltage pulse signal.
8. The apparatus for detecting and repairing a high-and-low voltage circuit at the end of a cable according to claim 1, wherein the high-voltage electric pulse detection signal transmission module is disposed on the detected cable and provides a pulse signal, and the third detection module is an acoustic wave device capable of acquiring a discharging sound when the pulse signal increases.
9. The apparatus for detecting and repairing a high-voltage and low-voltage circuit at the end of a cable according to claim 1, further comprising a high-voltage pulse gun having two welding terminals, wherein the two welding terminals are respectively disposed at two ends of the break point of the detected cable.
10. A method for testing and repairing a high-voltage and low-voltage circuit at the end of a cable, using a device for testing and repairing a high-voltage and low-voltage circuit at the end of a cable according to any one of claims 1 to 9, the method comprising:
the disconnection detection assembly finds that the detected cable has a disconnection phenomenon and sends a signal to the control unit;
the control unit sends a breakpoint position judgment instruction to the mobile detection vehicle, the voltage detection signal sending module and the low-voltage pulse detection signal sending module load voltage and low-voltage pulses to the detected cable, the first detection module and the second detection module respectively send breakpoint position data to the data processing unit, the data processing unit analyzes the breakpoint position data, the data processing unit sends the breakpoint position data to the third breakpoint position judgment component, and the third breakpoint position judgment component finally determines the breakpoint position of the detected cable;
and the breakpoint repairing assembly moves to the final position of the breakpoint to repair the detected cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211222208.9A CN115598464A (en) | 2022-10-08 | 2022-10-08 | Device and method for detecting and repairing high-voltage and low-voltage circuit at tail end of cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211222208.9A CN115598464A (en) | 2022-10-08 | 2022-10-08 | Device and method for detecting and repairing high-voltage and low-voltage circuit at tail end of cable |
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| CN115598464A true CN115598464A (en) | 2023-01-13 |
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| CN202211222208.9A Pending CN115598464A (en) | 2022-10-08 | 2022-10-08 | Device and method for detecting and repairing high-voltage and low-voltage circuit at tail end of cable |
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