CN211905566U - Fault positioning system for power cable abnormity monitoring - Google Patents
Fault positioning system for power cable abnormity monitoring Download PDFInfo
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- CN211905566U CN211905566U CN202020281741.2U CN202020281741U CN211905566U CN 211905566 U CN211905566 U CN 211905566U CN 202020281741 U CN202020281741 U CN 202020281741U CN 211905566 U CN211905566 U CN 211905566U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 51
- 238000012423 maintenance Methods 0.000 claims abstract description 22
- 238000013500 data storage Methods 0.000 claims abstract description 5
- 238000005070 sampling Methods 0.000 claims description 11
- 230000003750 conditioning effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a fault positioning system for power cable abnormity monitoring, which comprises a cable open circuit monitoring unit, a control unit and a data processing unit, wherein the cable open circuit monitoring unit is used for acquiring cable open circuit fault information and converting the acquired data signals and then sending the converted data signals to the control unit; the positioning unit is connected with the control unit and is used for positioning the fault cable at a fixed point by adopting a GPRS positioning module; a control unit; a power supply unit; a failure alarm unit; the data storage unit is connected with the cable monitoring platform and used for storing cable laying paths, cable model specifications and cable maintenance historical data; and the cable monitoring platform is connected with the positioning unit and used for receiving the power data. After the specific position of the cable fault is determined at the first time, rush repair personnel can plan the maintenance method of the fault cable in advance through the information parameters displayed on the cable monitoring platform and make full preparations, so that the maintenance efficiency is further improved.
Description
Technical Field
The utility model belongs to the technical field of power cable, especially, relate to a fault location system of power cable anomaly monitoring.
Background
With the increase of industrial and residential electricity consumption, the transmission capacity of the existing power cable is continuously increased. Power cables are used as bridges and ties for connecting transceivers and power supply networks and play a very important role in power operation networks. With the progress of society, the demand of various industries on electric power is on the trend of increasing year by year, and the usage amount of electric power cables is also increased year by year. Because the power cable is laid underground and the operation environment is relatively severe, accidents such as sudden power failure, fire hazard and the like caused by cable faults occur occasionally, and once the accidents occur, the accidents are difficult to find compared with the faults of the overhead power supply line, and more than 95% of cable faults are cable open circuit faults caused by external force damage (such as urban construction, pipe trench excavation and the like).
After a fault trip occurs in the operation of a cable power supply circuit in the prior art, monitoring personnel and emergency repair personnel can only determine that the fault position is behind a trip switch according to trip information, but the more accurate position is difficult to determine, and a fault detector is required to be used for positioning, so that precious emergency repair time is delayed to a certain extent.
The utility model discloses a chinese utility model patent that the publication is CN203595778U, it discloses a cable fault locating device that opens circuit, detect out the cable fault that opens circuit through the cable detection module that opens circuit, the cable detection module that opens circuit sends detected signal for main control unit module, main control unit module control GPRS orientation module and alarm module, GPRS orientation module can give the host computer with position signal transmission, thereby confirm the concrete position of cable fault that opens circuit, so that inform the salvage personnel to arrive the trouble position and expand and salvage. Although the cable fault positioning method can position the fault cable, specific parameters, models, historical maintenance data and the like of the fault cable cannot be known, so that the fault cable can be maintained according to actual conditions only after reaching a fault point, budget cannot be estimated in advance, and maintenance time is prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists, provide a fault location system of power cable abnormal monitoring to the aforesaid, this fault location system can be effectively accurate fix a position the fault point, but also can show information such as model, maintenance historical data of this fault cable to can be in advance make preparation, and then improve maintenance efficiency.
The purpose of the utility model is realized like this: a fault positioning system for power cable abnormity monitoring comprises a cable open circuit monitoring unit, a control unit and a fault positioning unit, wherein the cable open circuit monitoring unit is used for acquiring cable open circuit fault information, converting acquired data signals and then sending the converted data signals to the control unit; the positioning unit is connected with the control unit and is used for positioning the fault cable at a fixed point by adopting a GPRS positioning module; a control unit; the power supply unit is used for supplying power to the control unit; the fault alarm unit is connected with the control unit and used for giving out a cable fault alarm; the data storage unit is connected with the cable monitoring platform and used for storing cable laying paths, cable model specifications and cable maintenance historical data, and sending and displaying the information of the fault cable on the cable monitoring platform after the fault alarm unit rings; and the cable monitoring platform is connected with the positioning unit and used for receiving the power data.
By adopting the technical scheme, after the cable open circuit fault is detected by the cable open circuit monitoring unit, the cable open circuit monitoring unit sends the fault to the control unit after conversion, the control unit further controls the positioning unit to position the fault point and sends information to the cable monitoring platform, the control fault alarm unit sends an alarm to warn monitoring personnel, and the laying path, the model specification and the maintenance historical data of the fault cable are displayed on the cable monitoring platform, after the specific position of the cable fault is determined at the first time, the maintenance personnel can plan the maintenance method of the fault cable in advance through the information parameters displayed on the cable monitoring platform, and sufficient preparation is made, so that the maintenance efficiency is further improved.
The utility model discloses further set up to: the cable broken circuit monitoring unit comprises a sensor module for acquiring broken circuit cable information, a signal conditioning module for transmitting, converting, isolating, transmitting and operating an output signal of the sensor module and an AD sampling module arranged between the sensor module and the signal conditioning module;
the chip of the control unit is an MCU chip, the MCU chip is an ARM architecture system, and the sampling precision is 12 bits.
Through adopting above-mentioned technical scheme, the signal transfer that the sensor module will have operated carries out simulation and digital conversion to AD sampling module, reentrant MCU chip's serial ports passageway afterwards, and the MCU chip communicates with GPRS orientation module to realize the receipt transmitting function of data, this integrated circuit board's integrated level is high, and is small, easy to assemble and dismantlement.
The utility model has the advantages that: 1. after the cable open-circuit monitoring unit detects a cable open-circuit fault, the cable open-circuit fault is converted and sent to the control unit, the control unit further controls the positioning unit to position a fault point, the fault alarm unit is controlled to give an alarm to warn monitoring personnel, the laying path, the model specification and the maintenance historical data of the fault cable are displayed on the cable monitoring platform, and after the specific position of the cable fault is determined at the first time, emergency maintenance personnel can plan a maintenance method of the fault cable in advance through information parameters displayed on the cable monitoring platform and make full preparations, so that the maintenance efficiency is further improved; 2. the cable broken circuit monitoring unit comprises a sensor module, a signal conditioning module and an AD sampling module, the chip of the control unit is an MCU chip, the sensor module transmits the calculated signals to the AD sampling module to perform analog and digital conversion, then the signals enter a serial port channel of the MCU chip, and the MCU chip communicates with the GPRS positioning module, so that the data receiving and sending functions are realized. The integrated circuit board has high integration level, small volume and convenient installation and disassembly.
Drawings
Fig. 1 is a schematic view of the structure principle of the present invention;
the reference numbers in the figures are: 10. a cable disconnection monitoring unit; 101. a sensor module; 102. a signal conditioning module; 103. an AD sampling module; 20. a positioning unit; 30. a control unit; 40. a power supply unit; 50. a failure alarm unit; 60. a data storage unit; 70. a cable monitoring platform.
Detailed Description
In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:
a fault positioning system for power cable abnormity monitoring is shown in figure 1, and comprises a cable open circuit monitoring unit 10, a control unit 30 and a data processing unit, wherein the cable open circuit monitoring unit is used for acquiring cable open circuit fault information, amplifying and shaping acquired data signals and then sending the data signals to the control unit; the positioning unit 20 is connected with the control unit 30 and used for positioning the fault cable at a fixed point by adopting a GPRS positioning module; a control unit 30; a power supply unit 40 for supplying power to the control unit 30; a fault alarm unit 50 connected to the control unit 30 for issuing a cable fault alarm; the data storage unit 60 is connected with the cable monitoring platform 70 and is used for storing cable laying paths, cable model specifications and cable maintenance historical data, and sending and displaying the information of the fault cable on the cable monitoring platform 70 after the fault alarm unit 50 rings; and a cable monitoring platform 70 coupled to the positioning unit 20 for receiving power data.
After the cable open circuit fault is detected, the cable open circuit monitoring unit 10 sends the cable open circuit fault to the control unit 30 after conversion, the control unit 30 further controls the positioning unit 20 to position a fault point and enable the fault point to send information to the cable monitoring platform 70, and controls the fault alarm unit to send out an alarm to warn monitoring personnel, and a laying path, a model specification and maintenance historical data of the fault cable are displayed on the cable monitoring platform 70, after the specific position of the cable fault is determined at the first time, emergency maintenance personnel can plan a maintenance method of the fault cable in advance through information parameters displayed on the cable monitoring platform 70, and make full preparations, so that the maintenance efficiency is further improved.
The cable break monitoring unit 10 comprises a sensor module 101 for collecting broken cable information, a signal conditioning module 102 for transmitting, converting, isolating, transmitting and operating the output signal of the sensor module 101, and an AD sampling module 103 arranged between the sensor module 101 and the signal conditioning module 102; the chip of the control unit 30 is an MCU chip, which is an ARM architecture system, and the sampling precision is 12 bits. The working mode is that the sensor module 101 transmits the calculated signal to the AD sampling module 103 for analog and digital conversion, and then enters the serial port channel of the MCU chip, and the MCU chip communicates with the GPRS positioning module, so that the receiving and sending functions of data are realized.
The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (3)
1. The utility model provides a fault location system of power cable anomaly monitoring which characterized in that: the system comprises a cable open circuit monitoring unit (10) for acquiring cable open circuit fault information, converting acquired data signals and then sending the converted data signals to a control unit (30); the positioning unit (20) is connected with the control unit (30) and adopts a GPRS positioning module to perform fixed-point positioning on the fault cable; a control unit (30); a power supply unit (40) for supplying power to the control unit (30); a fault alarm unit (50) connected to the control unit (30) for issuing a cable fault alarm; the data storage unit (60) is connected with the cable monitoring platform (70) and is used for storing cable laying paths, cable model specifications and cable maintenance historical data, and sending and displaying the information of the fault cable on the cable monitoring platform (70) after the fault alarm unit (50) rings; and a cable monitoring platform (70) connected to the positioning unit (20) for receiving power data.
2. A fault location system for power cable anomaly monitoring according to claim 1, characterized in that: the cable disconnection monitoring unit (10) comprises a sensor module (101) for collecting disconnection cable information, a signal conditioning module (102) for transmitting, converting, isolating, transmitting and operating an output signal of the sensor module (101), and an AD sampling module (103) arranged between the sensor module (101) and the signal conditioning module (102).
3. A fault location system for power cable anomaly monitoring according to claim 1, characterized in that: the chip of the control unit (30) is an MCU chip, the MCU chip is an ARM architecture system, and the sampling precision is 12 bits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020281741.2U CN211905566U (en) | 2020-03-09 | 2020-03-09 | Fault positioning system for power cable abnormity monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020281741.2U CN211905566U (en) | 2020-03-09 | 2020-03-09 | Fault positioning system for power cable abnormity monitoring |
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| Publication Number | Publication Date |
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| CN211905566U true CN211905566U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020281741.2U Expired - Fee Related CN211905566U (en) | 2020-03-09 | 2020-03-09 | Fault positioning system for power cable abnormity monitoring |
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| CN (1) | CN211905566U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505588A (en) * | 2020-11-20 | 2021-03-16 | 益阳市计量测试检定所 | Cable fault on-line detection system based on system correlation |
| CN114076873A (en) * | 2021-11-04 | 2022-02-22 | 广州番禺电缆集团有限公司 | Cable fault analysis and prediction method and device |
| CN114296000A (en) * | 2021-11-19 | 2022-04-08 | 上海信辰通信工程有限公司 | Power failure diagnosis system and method in wireless communication equipment |
-
2020
- 2020-03-09 CN CN202020281741.2U patent/CN211905566U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505588A (en) * | 2020-11-20 | 2021-03-16 | 益阳市计量测试检定所 | Cable fault on-line detection system based on system correlation |
| CN114076873A (en) * | 2021-11-04 | 2022-02-22 | 广州番禺电缆集团有限公司 | Cable fault analysis and prediction method and device |
| CN114076873B (en) * | 2021-11-04 | 2023-10-24 | 广州番禺电缆集团有限公司 | Cable fault analysis and prediction method and device |
| CN114296000A (en) * | 2021-11-19 | 2022-04-08 | 上海信辰通信工程有限公司 | Power failure diagnosis system and method in wireless communication equipment |
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Granted publication date: 20201110 |