CN111863325A - Intelligent fault positioning cable - Google Patents

Abstract

The invention relates to the technical field of cables, in particular to an intelligent fault positioning cable, which is a segmented cable sequentially connected, each segment of cable comprises an outer sheath layer, a steel belt armor layer, an inner sheath layer and conductors which are sequentially arranged from outside to inside, fillers are arranged between the conductors and the inner sheath layer and are made of acrylic polymers, the steel belt armor layers are surrounded by a plurality of rubber cushion blocks which are annularly arranged, the number of the conductors is three, an inner shielding layer, an insulating layer, an outer shielding layer, a copper belt shielding layer and an optical fiber unit protective layer which are sequentially arranged from inside to outside are arranged outside each conductor, and optical fibers are arranged in the optical fiber unit protective layer.

Description

Intelligent fault positioning cable

Technical Field

The invention relates to the technical field of cables, in particular to an intelligent fault positioning cable.

Background

High voltage cables are one type of power cables and are an indispensable facility in power transportation systems. The conductor part of the high-voltage cable is mostly made of copper, so that the high-voltage cable can bear larger electrified current, the high-voltage cable is mostly used for a main road of power transmission, but the existing cable is distributed throughout streets and alleys in urban and rural areas, and after the cable breaks down, a maintenance worker cannot quickly find the fault point, so that the maintenance efficiency is low.

Disclosure of Invention

The invention aims to provide an intelligent fault positioning cable aiming at the defects in the prior art, which can realize quick positioning of fault points and has high maintenance efficiency.

The purpose of the invention is realized by the following technical scheme:

the intelligent fault positioning cable is a segmented cable which is connected in sequence, each segment of the cable comprises an outer sheath layer, a steel strip armor layer, an inner sheath layer and conductors which are arranged from outside to inside in sequence, fillers are arranged between the conductors and the inner sheath layer and are made of acrylic polymers, the steel strip armor layers are surrounded by a plurality of rubber cushion blocks which are arranged in an annular mode, the number of the conductors is three, each conductor is externally provided with an inner shielding layer, an insulating layer, an outer shielding layer, a copper strip shielding layer and an optical fiber unit protective layer which are arranged from inside to outside in sequence, and optical fibers are arranged in the optical fiber unit protective layer;

the adjacent two sections of cables are connected through joints, each joint is connected with a server, the server comprises a light alarm device, an electronic map display, a line, a communication module and an equipment ID, wherein the light alarm device is used for realizing light early warning, and the electronic map display can display the position and the line where early warning information appears; the equipment ID can mark the wiring position of the monitored cable in the server and monitor the position of the joint of the cable and display the positions in the electronic map display, each joint has an equipment ID number in the server, and the server can establish the joint and a management ledger of the monitored cable;

The connector is internally provided with a control module, an electronic map can also be used for displaying the positions of each control module and a monitored cable line, the control module comprises an optical fiber transceiving module, a GPRS (general packet radio service) module and a GPS (global positioning system) module, the optical fiber transceiving module is used for transceiving optical fiber signals, the GPRS module is used for realizing communication with a server, the GPS module is used for displaying the position of the current connector, the line is used for carrying out account management on the monitored power cable and the control module, and the communication module is used for realizing communication with each control module;

the control module further comprises an optical fiber vibration sensing system, the optical fiber vibration sensing system is connected with the optical fiber, the optical fiber vibration sensing system monitors optical signals transmitted in the optical fiber to obtain monitoring data, and the control module can transmit the obtained monitoring data and position signals located by the current GPS module of the connector to the server.

The optical fiber vibration sensing system is a distributed optical fiber vibration sensing system, and the distributed optical fiber vibration sensing system comprises an optical signal demodulation module and a data analysis module.

The invention has the following beneficial effects:

1. the system is provided with an optical fiber vibration sensing system for monitoring and processing optical signals of optical fibers and obtaining monitoring data, a control module transmits the monitoring data of the optical fiber vibration sensing system and a position signal of a joint where the optical fiber vibration sensing system is located by a GPS module to a server, and finally the position of a cable fault point is obtained by analysis, the cable fault on-line positioning method adopts an on-line mode, the technology application of the distributed optical fiber in the aspect of vibration measurement is combined with GPS position detection and is used in the aspect of high-voltage cable fault point detection and searching, the whole fault point positioning process is simple and quick, the purpose maintenance efficiency of efficiently positioning the cable fault point in an on-line state is realized, and the system has practical social benefits;

2. The server comprises an electronic map display and equipment IDs, the equipment IDs can mark the wiring position of a monitored cable in the server and monitor the positions of the joints of the cable and display the positions in the electronic map display, and each joint has an equipment ID number in the server, and the equipment ID can mark the wiring position of the detected cable in the server and display the wiring position in an electronic map display, the server can visually see the position of the failed joint in the electronic map display, the maintenance personnel can know the approximate position of the failure point, according to the GPS module in the control module of each connector, maintenance personnel can quickly locate the position of a specific fault cable to realize quick maintenance, and a management ledger between the connector and the detected cable is established by using a server to realize the visualization of the cable;

3. the plurality of annularly arranged rubber cushion blocks play a role in buffering the cable.

Drawings

The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a joint and a cable of the intelligent fault location cable of the present invention.

Fig. 2 is a connection diagram between a control module, a server and a cable of the intelligent fault location cable of the present invention.

Fig. 3 is a cross-sectional view of an intelligent fault locating cable of the present invention.

Fig. 1 to 3 include:

the cable comprises an outer sheath layer 1, a steel strip armor layer 2, an inner sheath layer 3, a conductor 4, a filler 5, an inner shielding layer 7, an insulating layer 8, an outer shielding layer 9, a copper strip shielding layer 10, an optical fiber unit protective layer 11, optical fibers 12 and a connector 13.

Detailed Description

The invention is further described with reference to the following examples.

According to the specific embodiment of the intelligent fault location cable, as shown in fig. 1-3, the cable is a segmented cable which is sequentially connected, each segment of the cable comprises an outer sheath layer 1, a steel strip armor layer 2, an inner sheath layer 3 and a conductor 4 which are sequentially arranged from outside to inside, a filler 5 is arranged between the conductor 4 and the inner sheath layer 3, the filler 5 is made of an acrylic polymer, the steel strip armor layer 2 is surrounded by a plurality of rubber cushion blocks which are annularly arranged, the rubber cushion blocks play a buffering role on the cable, and the rubber cushion blocks are fixedly connected with the inner wall of the inner sheath layer 3 and the inner wall of the outer sheath layer 1.

The number of the conductors 4 is three, an inner shielding layer 7, an insulating layer 8, an outer shielding layer 9, a copper strip shielding layer 10 and an optical fiber unit protecting layer 11 which are sequentially arranged from inside to outside are arranged outside each conductor 4, and an optical fiber 12 is arranged in each optical fiber unit protecting layer 11;

the two adjacent sections of cables are connected through joints 13, each joint 13 is connected with a server, the server comprises a light alarm device, an electronic map display, a line, a communication module and an equipment ID, wherein the light alarm device is used for realizing light early warning, the electronic map display can display the position and the line where the early warning information appears, the line and control module management is used for performing account management on the monitored power cable and the control module, and the communication module is used for realizing communication with each control module; the equipment ID can mark the routing position of the monitored cable and the position of the joint 13 for monitoring the cable in the server and display the positions in an electronic map display, each joint 13 has an equipment ID number in the server, and the server can establish the joint 13 and a management ledger of the monitored cable.

Joint 13 embeds has control module, and electronic map also can be used for showing each control module and the position of being monitored cable run, control module includes 12 transceiver module of optic fibre, GPRS mould and GPS module, and 12 transceiver module of optic fibre then are used for receiving and dispatching optic fibre 12 signals, and the GPRS module is used for realizing the communication with the server, and the GPS module is used for showing current joint 13's position.

When the cable breaks down, the control module sends the fault information to a light alarm device of the server after detecting, and is used for reminding people that the cable breaks down, because each connector 13 has an equipment ID number in the server, and the equipment ID can mark the wiring position of the detected cable in the server and display the wiring position in an electronic map display, the server can visually see the position of the failed connector 13 in the electronic map display, and maintenance personnel can know the approximate position of the fault point, and according to a GPS module in the control module of each connector 13, the maintenance personnel can quickly locate the specific position of the faulty cable, so that the quick maintenance is realized, a management ledger between the connector 13 and the detected cable is established by the server, and the visualization of the cable is realized.

The control module further comprises an optical fiber vibration sensing system, the optical fiber vibration sensing system is connected with the optical fiber, the optical fiber vibration sensing system monitors optical signals transmitted in the optical fiber to obtain monitoring data, and the monitoring data obtained by the control module and position signals positioned by the current GPS module of the joint are transmitted to the server together. The system is provided with an optical fiber vibration sensing system for monitoring and processing optical signals of optical fibers and obtaining monitoring data, a control module transmits the monitoring data of the optical fiber vibration sensing system and a position signal of a connector where the optical fiber vibration sensing system is located by a GPS module to a server, and finally the position of a cable fault point is obtained through analysis.

The optical fiber vibration sensing system is a distributed optical fiber vibration sensing system, and the distributed optical fiber vibration sensing system comprises an optical signal demodulation module and a data analysis module, wherein the optical signal demodulation module and the data analysis module have the functions of leading optical signals which are detected by the sensing optical cable and have external vibration information into a server through photoelectric conversion and primary signal processing. And the server can extract the vibration information from the complex information according to the characteristics of the detected sensing signals.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (2)

1. The utility model provides an intelligence fault location cable which characterized in that: the cable is a segmented cable which is connected in sequence, each segment of the cable comprises an outer sheath layer, a steel belt armor layer, an inner sheath layer and conductors which are sequentially arranged from outside to inside, fillers are arranged between the conductors and the inner sheath layer and made of acrylic polymers, the steel belt armor layer is surrounded by a plurality of rubber cushion blocks which are annularly arranged, the number of the conductors is three, an inner shielding layer, an insulating layer, an outer shielding layer, a copper strip shielding layer and an optical fiber unit protective layer which are sequentially arranged from inside to outside are arranged outside each conductor, and optical fibers are arranged in the optical fiber unit protective layer;

The adjacent two sections of cables are connected through joints, each joint is connected with a server, the server comprises a light alarm device, an electronic map display, a line, a communication module and an equipment ID, wherein the light alarm device is used for realizing light early warning, and the electronic map display can display the position and the line where early warning information appears; the equipment ID can mark the wiring position of the monitored cable in the server and monitor the position of the joint of the cable and display the positions in the electronic map display, each joint has an equipment ID number in the server, and the server can establish the joint and a management ledger of the monitored cable;

the connector is internally provided with a control module, an electronic map can also be used for displaying the positions of each control module and a monitored cable line, the control module comprises an optical fiber transceiving module, a GPRS (general packet radio service) module and a GPS (global positioning system) module, the optical fiber transceiving module is used for transceiving optical fiber signals, the GPRS module is used for realizing communication with a server, the GPS module is used for displaying the position of the current connector, the line is used for carrying out account management on the monitored power cable and the control module, and the communication module is used for realizing communication with each control module;

The control module further comprises an optical fiber vibration sensing system, the optical fiber vibration sensing system is connected with the optical fiber, the optical fiber vibration sensing system monitors optical signals transmitted in the optical fiber to obtain monitoring data, and the control module can transmit the obtained monitoring data and position signals located by the current GPS module of the connector to the server.

2. The intelligent fault locating cable of claim 1, wherein: the optical fiber vibration sensing system is a distributed optical fiber vibration sensing system, and the distributed optical fiber vibration sensing system comprises an optical signal demodulation module and a data analysis module.

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