CN114019424A

CN114019424A - Cable joint with fault induction structure and fault induction system thereof

Info

Publication number: CN114019424A
Application number: CN202111325611.XA
Authority: CN
Inventors: 豆桂权; 夏秋风
Original assignee: Jiangsu Yikawei Electronic Technology Co ltd
Current assignee: Jiangsu Yikawei Electronic Technology Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-02-08

Abstract

The invention discloses a cable joint with a fault sensing structure and a fault sensing system thereof, and relates to the technical field of cable joints, in particular to a cable joint with a fault sensing structure, which comprises an inner shell, wherein a separation device is arranged inside the inner shell, a cable joint is arranged inside the separation device, a temperature sensor and a sensing probe are fixedly arranged in the inner wall of the inner shell, the outer part of the inner shell is fixedly connected with an outer shell, the top of the outer shell is fixedly connected with a control box, and a controller is fixedly arranged inside the control box. This carry cable joint of trouble response structure and trouble induction system thereof through setting up temperature sensor and inductive probe in cable joint's outside, utilizes temperature sensor and inductive probe to carry out the response detection to cable joint, and the convenient timely judgement is qualified for next round of competitions the fault type that cable joint appears, and the maintainer of being convenient for is pointed prepares and maintains.

Description

Cable joint with fault induction structure and fault induction system thereof

Technical Field

The invention relates to the technical field of cable connectors, in particular to a cable connector with a fault induction structure and a fault induction system of the cable connector.

Background

The cable is an electric energy or signal transmission device, and generally comprises several or several groups of conducting wires, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers for connecting circuits, electrical appliances, etc., and the cables are classified into direct current cables and alternating current cables according to the system of the photovoltaic power station. In the operation process of a power grid, a cable joint is the weakest link, and about 70% of cable faults occur at the joint, so that the quality and the operation state of the joint are accurately and quickly determined, and the method has very important significance for ensuring safe and reliable operation of the power grid.

When present cable joint, mostly be with two cables that need the butt joint in the cable one-to-one, adopt insulating tape parcel, will be many afterwards with the cable and together, reuse insulating tape multilayer parcel appears the virtual back that generates heat that connects when a cable, very easily melts the insulating tape of adjacent cable outer layer parcel to cause the outage of catching fire, there is certain potential safety hazard. The electric field stress of the power cable intermediate head is concentrated, and the electric field stress is a weak link for power cable insulation, so that the cable breakdown is easily caused due to the deterioration of the cable insulation performance, namely, the partial discharge problem is generated, and the high-voltage cable accident is easily caused. And the cable joint that causes the outage to the emergence accident can't carry out real-time detection location, need to detect the accident point to many cables one by one during the maintenance, wastes time and energy.

Disclosure of Invention

In view of the deficiencies of the prior art, the present invention provides a cable joint with a fault-sensing structure and a fault-sensing system thereof, which solve the problems set forth in the background art.

In order to achieve the purpose, the invention is realized by the following technical scheme: a cable joint with a fault sensing structure comprises an inner shell, a separating device is arranged inside the inner shell, a cable joint is arranged inside the separating device, a temperature sensor and an induction probe are fixedly arranged in the inner wall of the inner shell, an outer shell is fixedly connected to the outside of the inner shell, a control box is fixedly connected to the top of the outer shell, a controller is fixedly arranged inside the control box, a GPS positioning module is fixedly arranged at the top of the controller, a power supply module is fixedly arranged on the left side of the controller, a wireless transmission module is fixedly arranged at the top of the power supply module, an alarm module is fixedly arranged at the top of the control box, a female joint is sleeved on a left thread of the inner shell, a sealing ring is clamped at a joint of the inner shell and the female joint, and a sealing sleeve is sleeved on the inner activity of the left end of the female joint, and a compression nut is sleeved on the external thread at the left end of the female joint.

Optionally, a lightening hole is formed in the middle of the separating device, six partition plates are symmetrically distributed in the center of the outer portion of the separating device, and the cable connectors are independently separated by the partition plates.

Optionally, an insulating tape is fixedly sleeved outside the cable joint, and the cable joint is located inside the temperature sensor and the sensing probe and corresponds to the temperature sensor and the sensing probe.

Optionally, the temperature sensor and the inductive probe are symmetrically distributed about the center of the inner shell, the temperature sensor and the inductive probe are connected with the controller through signal lines, and the inductive probe is an ultrasonic sensor probe.

Optionally, the controller is connected with a GPS positioning module, a wireless transmission module, a power module and a driving circuit, the power module provides voltage stabilization power supply for the controller, and the driving circuit is connected with an alarm module.

Optionally, a signal receiving module, a central processing unit and an output control module are arranged inside the controller, the signal receiving module receives signals from the temperature sensor, the inductive probe and the GPS positioning module and transmits the signals to the central processing unit, the central processing unit processes the signals and transmits the signals to the output control module, and the output control module transmits the signals to the wireless transmission module and the driving circuit.

Optionally, the top fixed mounting of siren module has the pilot lamp, pilot lamp fixed mounting is at the top of control box, the quantity of pilot lamp has six and corresponds the serial number that sets up A, B, C, D, E, F six differences, the cable joint sets up the serial number the same with the pilot lamp.

Optionally, the left end of the sealing sleeve outwards protrudes and is in a horn shape, the inner diameter of the sealing sleeve is in a straight cylinder shape, and the diameter of the left end of the sealing sleeve is equal to the outer diameter of the left end of the female joint.

A cable joint with a fault induction structure and a fault induction system thereof are disclosed, wherein the induction method comprises the following steps:

s1, monitoring the cable joint in real time by the temperature sensor and the induction probe, wherein when the cable joint generates heat due to virtual connection, the temperature sensor monitors the heat generated by the cable joint and transmits a signal to the controller, when the cable joint generates local breakdown discharge, an ultrasonic signal is emitted, and the induction probe monitors the ultrasonic signal generated by the cable joint and transmits the signal to the controller;

s2, the controller processes the signals, a signal receiving module in the controller receives the signals from the temperature sensor, the induction probe and the GPS positioning module and transmits the signals to a central processing unit, the central processing unit processes the signals, judges whether the cable joint has a virtual connection heating or local breakdown discharging fault, then transmits the signals to an output control module, and the output control module transmits the signals to the wireless transmission module and the driving circuit;

s3, generating a fault signal and warning, sending the fault type of the cable connector and the position information of the inner shell to cable monitoring personnel by the wireless transmission module, reminding the cable monitoring personnel to overhaul in time, and simultaneously driving the indicator lamp with the corresponding number at the top of the alarm module to light up by the driving circuit, so that the cable monitoring personnel can find out the fault cable connector quickly.

The invention provides a cable joint with a fault induction structure and a fault induction system thereof, which have the following beneficial effects:

1. this carry cable joint of trouble response structure and trouble induction system thereof, outside through connecting at the cable sets up temperature sensor and inductive probe, utilize temperature sensor and inductive probe to carry out the response detection to cable joint, the convenient timely judgement is qualified for the fault type that cable joint appears, the maintainer of being convenient for is pointed prepares and maintains, through setting up wireless transmission module, utilize wireless transmission module to give cable monitoring personnel with the timely emergence of fault information, the cable joint that the timely discovery of the cable monitoring personnel of being convenient for breaks down, do not need maintainer to overhaul cable joint one by one.

2. This cable joint who carries trouble response structure and trouble induction system thereof, through setting up GPS orientation module, GPS orientation module can fix a position cable joint's position, make things convenient for maintenance personal to find the position at cable joint place that breaks down in time according to positioning information, the efficiency of maintaining cable joint has been improved, through setting up the siren module, the pilot lamp and the cable joint one-to-one at siren module top, when one or several cable joint breaks down, the pilot lamp corresponding with the cable joint that breaks down will light, at this moment maintenance personal can be according to the quick cable joint who finds the trouble of the instruction of pilot lamp, need not improve the efficiency of overhauing to a plurality of cable joint check one by one.

3. This cable joint who carries trouble response structure and trouble induction system thereof through setting up the separator, utilizes the separator to separate cable joint one by one, avoids a cable joint to appear the virtual back that generates heat that connects, melts the insulating tape of adjacent outer parcel of cable joint, is favorable to reducing the harm of trouble.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention in a disassembled state;

FIG. 3 is a front cross-sectional structural schematic view of the present invention;

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

FIG. 5 is a schematic structural view of an alarm module of the present invention;

FIG. 6 is a connection control diagram of the present invention.

In the figure: 1. an inner housing; 2. a partitioning means; 3. a cable joint; 4. an insulating tape; 5. a temperature sensor; 6. an inductive probe; 7. an outer housing; 8. a control box; 9. a controller; 10. a GPS positioning module; 11. a wireless transmission module; 12. a power supply module; 13. an alarm module; 131. an indicator light; 14. a female joint; 15. a seal ring; 16. sealing sleeves; 17. and (5) pressing the screw cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 6, the present invention provides a technical solution: a cable joint with a fault sensing structure comprises an inner shell 1, a separating device 2 is placed inside the inner shell 1, cable joints 3 are placed inside the separating device 2, lightening holes are formed in the middle of the separating device 2, six clapboards are symmetrically distributed on the outer center of the separating device 2 and separate the cable joints 3 independently, the separating device 2 is arranged to separate the cable joints 3 one by one, after the cable joints 3 are prevented from being connected in a virtual mode and generate heat, insulating adhesive tapes 4 wrapped on the outer layers of the adjacent cable joints 3 are melted, damage of faults is reduced, the insulating adhesive tapes 4 are fixedly sleeved on the outer portions of the cable joints 3, the cable joints 3 are located on the inner sides of a temperature sensor 5 and an inductive probe 6 and correspond to the temperature sensor 5 and the inductive probe 6, the temperature sensor 5 and the inductive probe 6 are fixedly installed in the inner wall of the inner shell 1, the temperature sensor 5 and the inductive probe 6 are symmetrically distributed about the center of the inner shell 1, the temperature sensor 5 and the inductive probe 6 are connected with the controller 9 through signal lines, the inductive probe 6 is an ultrasonic sensor probe, the temperature sensor 5 and the inductive probe 6 are arranged outside the cable joint 3, the cable joint 3 is subjected to inductive detection by the temperature sensor 5 and the inductive probe 6, the fault type of the cable joint 3 can be conveniently and timely judged, and targeted preparation and maintenance are facilitated for maintenance personnel, the outer shell 7 is fixedly connected to the outside of the inner shell 1, the control box 8 is fixedly connected to the top of the outer shell 7, the controller 9 is fixedly installed inside the control box 8, a signal receiving module, a central processing unit and an output control module are arranged inside the controller 9, and the signal receiving module receives signals from the temperature sensor 5, the inductive probe 6, the signal receiving module is connected with the controller 9, The signal of the GPS positioning module 10 is transmitted to the central processing unit, the central processing unit processes the signal and transmits the signal to the output control module, the output control module transmits the signal to the wireless transmission module 11 and the driving circuit, the GPS positioning module 10 is fixedly installed at the top of the controller 9, the GPS positioning module 10 can position the position of the cable joint by setting the GPS positioning module 10, a maintenance worker can find the position of the cable joint with the fault in time according to the positioning information conveniently, the maintenance efficiency of the cable joint is improved, the power supply module 12 is fixedly installed at the left side of the controller 9, the wireless transmission module 11 is fixedly installed at the top of the power supply module 12, the fault information is timely transmitted to the cable monitoring worker by setting the wireless transmission module 11, and the cable monitoring worker can find the cable joint with the fault in time conveniently, the cable connectors do not need to be overhauled one by maintenance personnel, the controller 9 is connected with a GPS positioning module 10, a wireless transmission module 11, a power module 12 and a driving circuit, the power module 12 provides voltage-stabilizing power supply for the controller 9, the driving circuit is connected with an alarm module 13, the top of the control box 8 is fixedly provided with the alarm module 13, the top of the alarm module 13 is fixedly provided with indicator lamps 131, the indicator lamps 131 are fixedly arranged at the top of the control box 8, the number of the indicator lamps 131 is six and is correspondingly provided with A, B, C, D, E, F different numbers, the cable connectors 3 are provided with the same number as the indicator lamps 131, the indicator lamps 131 at the top of the alarm module 13 are in one-to-one correspondence with the cable connectors 3 by arranging the alarm module 13, when one or more cable connectors 3 are in fault, the indicator lamps 131 corresponding to the cable connectors 3 in fault are lighted, at this time, a maintenance worker can quickly find out a faulty cable joint 3 according to the indication of the indicator lamp 131 without checking a plurality of cable joints 3 one by one, so that the maintenance efficiency is not improved, the left side thread of the inner shell 1 is sleeved with the female joint 14, the joint of the inner shell 1 and the female joint 14 is clamped with the sealing ring 15, by arranging the sealing ring 15, the sealing ring 15 can seal the gap between the inner shell 1 and the female joint 14 to avoid water leakage between the inner shell 1 and the female joint 14, the inner part of the left end of the female joint 14 is movably sleeved with the sealing sleeve 16, the outer thread of the left end of the female joint 14 is sleeved with the compression nut 17, the left end of the sealing sleeve 16 protrudes outwards to form a horn shape, the inner diameter of the sealing sleeve 16 is a straight cylinder shape, the diameter of the left end of the sealing sleeve 16 is equal to the outer diameter of the left end of the female joint 14, by arranging the sealing sleeve 16, because the left end of the sealing sleeve 16 protrudes outwards, in the process that the compression nut 17 compresses the sealing sleeve 16 rightwards, gland 16 will progressively compress the cables inwardly so that gland 16 is better able to seal the interface at the left end of box 14.

s1, monitoring the cable joint 3 in real time by the temperature sensor 5 and the inductive probe 6, wherein when the cable joint 3 generates heat due to virtual connection, the temperature sensor 5 monitors the heat generated by the cable joint 3 and transmits a signal to the controller 9, when the cable joint 3 generates local breakdown discharge, an ultrasonic signal is sent out, and the inductive probe 6 monitors the ultrasonic signal generated by the cable joint 3 and transmits the signal to the controller 9;

s2, the controller 9 processes the signals, a signal receiving module in the controller 9 receives the signals from the temperature sensor 5, the inductive probe 6 and the GPS positioning module 10 and transmits the signals to a central processing unit, the central processing unit processes the signals, judges whether the cable joint 3 has a virtual connection heating or local breakdown discharging fault, then transmits the signals to an output control module, and the output control module transmits the signals to the wireless transmission module 11 and the driving circuit;

s3, a fault signal is generated and a warning is given, the wireless transmission module 11 sends the fault type of the cable connector 3 and the position information of the inner shell 1 to cable monitoring personnel to remind the cable monitoring personnel to overhaul in time, and meanwhile, the driving circuit drives the indicator lamp 131 with the corresponding number at the top of the alarm module 13 to light up, so that the cable monitoring personnel can find the faulty cable connector 3 quickly.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A cable joint carrying a fault-sensitive structure, comprising an inner casing (1), characterized in that: the cable connector is characterized in that a separating device (2) is placed inside the inner shell (1), a cable connector (3) is placed inside the separating device (2), a temperature sensor (5) and an inductive probe (6) are fixedly mounted in the inner wall of the inner shell (1), an outer shell (7) is fixedly connected to the outside of the inner shell (1), a control box (8) is fixedly connected to the top of the outer shell (7), a controller (9) is fixedly mounted inside the control box (8), a GPS positioning module (10) is fixedly mounted at the top of the controller (9), a power module (12) is fixedly mounted on the left side of the controller (9), a wireless transmission module (11) is fixedly mounted at the top of the power module (12), an alarm module (13) is fixedly mounted at the top of the control box (8), and a female connector (14) is sleeved on the left side of the inner shell (1), a sealing ring (15) is clamped at the joint of the inner shell (1) and the female joint (14), a sealing sleeve (16) is sleeved on the inner portion of the left end of the female joint (14) in a movable mode, and a compression nut (17) is sleeved on the outer thread of the left end of the female joint (14).

2. A cable joint carrying fault-sensitive structure according to claim 1, characterized in that: lightening holes are formed in the middle of the separating device (2), six partition plates are symmetrically distributed in the center of the outer portion of the separating device (2), and the cable connectors (3) are independently separated through the partition plates.

3. A cable joint carrying fault-sensitive structure according to claim 1, characterized in that: the cable joint is characterized in that an insulating tape (4) is fixedly sleeved outside the cable joint (3), and the cable joint (3) is located on the inner sides of the temperature sensor (5) and the sensing probe (6) and corresponds to the temperature sensor (5) and the sensing probe (6).

4. A cable joint carrying fault-sensitive structure according to claim 1, characterized in that: the temperature sensor (5) and the inductive probe (6) are symmetrically distributed about the center of the inner shell (1), the temperature sensor (5) and the inductive probe (6) are connected with the controller (9) through signal lines, and the inductive probe (6) is an ultrasonic sensor probe.

5. A cable joint carrying fault-sensitive structure according to claim 1, characterized in that: the controller (9) is connected with a GPS positioning module (10), a wireless transmission module (11), a power supply module (12) and a driving circuit, the power supply module (12) provides stable voltage power supply for the controller (9), and the driving circuit is connected with an alarm module (13).

6. A cable splice carrying fault-sensitive structures according to claim 5, wherein: the intelligent temperature controller is characterized in that a signal receiving module, a central processing unit and an output control module are arranged inside the controller (9), the signal receiving module receives signals from the temperature sensor (5), the inductive probe (6) and the GPS positioning module (10) and transmits the signals to the central processing unit, the central processing unit processes the signals and transmits the signals to the output control module, and the output control module transmits the signals to the wireless transmission module (11) and the driving circuit.

7. A cable joint carrying fault-sensitive structure according to claim 1, characterized in that: the top fixed mounting of siren module (13) has pilot lamp (131), pilot lamp (131) fixed mounting is at the top of control box (8), the quantity of pilot lamp (131) has six and corresponds the number that sets up A, B, C, D, E, F six differences, cable joint (3) set up the same number with pilot lamp (131).

8. A cable joint carrying fault-sensitive structure according to claim 1, characterized in that: the left end of the sealing sleeve (16) protrudes outwards to form a horn shape, the inner diameter of the sealing sleeve (16) is in a straight cylinder shape, and the diameter of the left end of the sealing sleeve (16) is equal to the outer diameter of the left end of the female joint (14).

9. A cable joint with fault-sensitive structure and fault-sensitive system thereof according to any of claims 1 to 8, wherein: the induction method comprises the following steps:

s1, monitoring the cable joint (3) in real time by the temperature sensor (5) and the induction probe (6), when the cable joint (3) is in a virtual connection and generates heat, monitoring the heat generated by the cable joint (3) by the temperature sensor (5) and transmitting a signal to the controller (9), sending an ultrasonic signal when the cable joint (3) is in partial breakdown discharge, and monitoring the ultrasonic signal generated by the cable joint (3) by the induction probe (6) and transmitting the signal to the controller (9);

s2, the controller (9) processes the signals, a signal receiving module in the controller (9) receives the signals from the temperature sensor (5), the inductive probe (6) and the GPS positioning module (10) and transmits the signals to a central processing unit, the central processing unit processes the signals, judges whether the cable joint (3) has a virtual connection heating or local breakdown discharging fault, then transmits the signals to an output control module, and the output control module transmits the signals to the wireless transmission module (11) and the driving circuit;

s3, a fault signal is generated and a warning is given, the wireless transmission module (11) sends the fault type of the cable connector (3) and the position information of the inner shell (1) to cable monitoring personnel, the cable monitoring personnel are reminded of overhauling in time, and meanwhile the driving circuit drives the indicator lamp (131) with the corresponding number at the top of the alarm module (13) to light up, so that the cable monitoring personnel can find the fault cable connector (3) quickly.