CN204269757U - Multi-functional cable line fault intelligent online monitoring system - Google Patents

Multi-functional cable line fault intelligent online monitoring system Download PDF

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Publication number
CN204269757U
CN204269757U CN201420819458.5U CN201420819458U CN204269757U CN 204269757 U CN204269757 U CN 204269757U CN 201420819458 U CN201420819458 U CN 201420819458U CN 204269757 U CN204269757 U CN 204269757U
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China
Prior art keywords
fault
cable line
monitoring system
online monitoring
intelligent online
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CN201420819458.5U
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Inventor
徐悦
王建东
徐进
何嘉宁
杨琪凯
陈挺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STATE GRID ZHEJIANG ZHUJI POWER SUPPLY Co Ltd
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
STATE GRID ZHEJIANG ZHUJI POWER SUPPLY Co Ltd
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Priority to CN201420819458.5U priority Critical patent/CN204269757U/en
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Abstract

The utility model discloses a kind of multi-functional cable line fault intelligent online monitoring system, comprise several fault detectors, focus on device, communication switchboard and supervisory system server, described fault detector inside is provided with 2.4G wireless communication module, single chip control unit, current sensor, and light warning module, focus on device to be connected with supervisory system server by communication switchboard, receive the sampled data of ABC3 phase fault detecting device and carry out failure message primary Calculation, and the data after Treatment Analysis are sent to communication switchboard, communication switchboard is uploaded to supervisory system server after being decoded by failure message, short circuit on multi-functional cable line fault intelligent online monitoring system energy comprehensive monitoring circuit described in the utility model, ground connection, overload, broken string, have a power failure, three-phase imbalance, robber such as to cut at the failure condition, and quick and precisely make breakdown judge.

Description

Multi-functional cable line fault intelligent online monitoring system
Technical field
The utility model relates to a kind of multi-functional cable line fault intelligent online monitoring system, belongs to wireline inspection technical field.
Background technology
In power distribution circuit, because reasons such as circuit length, branch head, complex structures, when haveing the faults such as line short, broken string, power failure, three-phase imbalance, overload, trouble spot and failure cause cannot be detected in time, and then extend the repair time, cause large-scale power failure, cause larger economic loss.At present, although also fault detector can be installed in cable line, but still there is following defect:
1, fault detector adopts differential, integrating analog circuit, insensitive to small area analysis signal;
2, fault detector and focusing between device as single-phase communication, Surveillance center cannot the detected parameters of remotely modifying fault detector, reclosing non-faulting branch can not be stopped shove and feed back the malfunction that power transmission causes, if can malfunction (tripping) then malfunction forever go down;
3, fault detector can only gather and send current information, cannot send alerting signal.
In view of this, the present inventor studies this, and develop a kind of multi-functional cable line fault intelligent online monitoring system specially, this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of multi-functional cable line fault intelligent online monitoring system, short circuit on comprehensive monitoring circuit, ground connection, overload, broken string, power failure, three-phase imbalance, robber the failure condition such as to cut, and quick and precisely make breakdown judge, and send corresponding warning message.
To achieve these goals, solution of the present utility model is:
Multi-functional cable line fault intelligent online monitoring system, comprise several fault detectors, focus on device, communication switchboard and supervisory system server, described fault detector is arranged on the three-phase conducting wire of cable line respectively, form A phase fault detecting device, B phase fault detecting device and C phase fault detecting device, same cable circuit installs one group of fault detector every 1.5-2km, 2.4G wireless communication module is provided with in described fault detector, focus on device and be also provided with corresponding 2.4G wireless communication module, fault detector and focus between device and carry out wireless two-way radio frequency short haul connection by 2.4G wireless communication module, there is antijamming capability strong, the features such as message transmission rate block, described fault detector is provided with single chip control unit, and the current sensor to be connected with single chip control unit and light warning module, 12, each cycle of Real-time Collection does Fourier's Current calculation, accurately obtain the real-time online current value of current line, and the current break information being less than a cycle (20ms) can be caught in real time, the described device that focuses on is connected with supervisory system server by communication switchboard, focusing on device is arranged on pylon bar, receive the sampled data of ABC3 phase fault detecting device and carry out failure message primary Calculation, and the data after Treatment Analysis are sent to communication switchboard, communication switchboard is uploaded to supervisory system server after being decoded by failure message, after the line fault of each installation node is comprehensively analyzed by supervisory system server, show out of order concrete circuit and concrete trouble spot on the one hand, the light warning module controlling the fault detector of corresponding trouble spot on the other hand sends alerting signal.
As preferably, described in focus on device and communicated with communication switchboard by GSM mobile communication module.
As preferably, the current sensor of described fault detector adopts high magnetic conduction em induced current sensor.
As preferably, the single chip control unit of described fault detector adopts the monolithic chip of AT89 series.
As preferably, described fault detector and the 2.4G wireless communication module focusing on device adopt model to be nRF24L01 chip.
As preferably, the light warning module of described fault detector is red LED, when there is line fault, the light warning module of the fault detector of the corresponding trouble spot of supervisory system server controls sends alerting signal, reminds maintenance personal to carry out fault handling in time.
Above-mentioned multi-functional cable line fault intelligent online monitoring system principle of work: three fault detector Real-time Collection three-phase current information, and the current information collected is passed to by 2.4G wireless communication module focus on device, focus on the current information that device transmits according to three fault detectors, thus judge concrete fault, failure message is passed back communication switchboard by GSM mobile communication module, communication switchboard is uploaded to supervisory system server after being decoded by failure message, after the line fault of each installation node is comprehensively analyzed by supervisory system server, show out of order concrete circuit and concrete trouble spot, and line fault point and fault type are sent to responsible person concerned's mobile phone by GSM short message mode, failture evacuation is carried out by responsible person concerned, simultaneously, supervisory system server is also by communication switchboard with focus on the light warning module that device controls the fault detector of corresponding trouble spot and send alerting signal, timely prompting maintenance personal carries out fault handling.
Compared with prior art, above-mentioned multi-functional cable line fault intelligent online monitoring system has following several advantage:
1) traditional ordinary failures detector technologies principle and traditional FTU standard is broken through, without the need to PT and CT, without the need to switch or switch transformation, equipotential and the installation that do not have a power failure, applied widely, input-output ratio is high, reliable, short circuit on comprehensive monitoring circuit, ground connection, overload, broken string, power failure, three-phase imbalance, robber the failure condition such as to cut, help the rapid looking up the fault point of operations staff, avoid accident to expand further;
2) carry out overall monitor by the online current system of fault detector Real-time Collection to line fault, breakdown judge more in time, accurately;
3) local communication adopts two-way short-distance wireless frequency modulation telecommunication, and telecommunication adopts GSM network communication, local and remote easy to maintenance, and can the malfunction determination parameter such as on-line tuning short circuit, ground connection, open circuit, greatly improves the accuracy that short trouble detects;
4) light warning module is directly set on fault detector, when a failure occurs it, staff can be pointed out in time, shorten servicing time.
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the module frame chart of the multi-functional cable line fault intelligent online monitoring system of the present embodiment;
Fig. 2 is the fault detector single chip control unit circuit theory diagrams of the present embodiment;
Fig. 3 is the 2.4G wireless communication module circuit diagram of the present embodiment.
Embodiment
As shown in Figure 1, multi-functional cable line fault intelligent online monitoring system, comprise several fault detectors 1, focus on device 2, communication switchboard 3 and supervisory system server 4, described fault detector 1 is arranged on the three-phase conducting wire of cable line respectively, form A phase fault detecting device, B phase fault detecting device and C phase fault detecting device, same cable circuit installs one group of fault detector every 1.5-2km, the current sensor 11 be connected successively is provided with in described fault detector, single chip control unit 12, 2.4G wireless communication module 13 and light warning module 14, wherein, described current sensor 11 adopts high permeability material em induced current sensor, 12, each cycle of fault detector 1 Real-time Collection does Fourier's Current calculation, accurately obtain the real-time online current value of current line, and the current break information being less than a cycle (20ms) can be caught in real time.The described device 2 that focuses on also is provided with corresponding 2.4G wireless communication module, fault detector 1 and focus between device 2 and carry out wireless two-way radio frequency short haul connection by 2.4G wireless communication module, has antijamming capability strong, the features such as message transmission rate block.The light warning module 14 of described fault detector 1 is red LED.
The described device 2 that focuses on is connected with supervisory system server 4 by communication switchboard 3, focusing on device 2 is arranged on pylon bar, communicated with communication switchboard 3 by GSM mobile communication module, receive the sampled data of ABC3 phase fault detecting device 1 and carry out failure message primary Calculation, and the data after Treatment Analysis are sent to communication switchboard 3, communication switchboard 3 is uploaded to supervisory system server after being decoded by failure message.
As shown in Figure 2, the single chip control unit 12 of described fault detector 1 adopts the monolithic chip of AT89 series, and the present embodiment adopts model to be the single-chip microcomputer of AT89LS5X.The data that single chip control unit 12 collects for the treatment of current sensor 11 calculate, and drive light warning module 14 to send warning message simultaneously.
As shown in Figure 3, the 2.4G wireless communication module 13 of described fault detector 1 adopts model to be nRF24L01 chip, and nRF24L01 is a monolithic wireless transceiver chip being operated in the ISM frequency range of 2.4GHz ~ 2.5GHz.Can directly be connected with single-chip microcomputer, relevant interface signal instruction is as follows:
CSN:SPI chip selection signal;
MOSI: input from SPI data;
MISO: export from SPI data;
SCK:SPI clock signal;
IRQ: interrupt request singal;
CE: receive (RX)/send (TX) model selection.
Multi-functional cable line fault intelligent online monitoring system principle of work described in the utility model: three fault detector 1 Real-time Collection three-phase current information, and the current information collected is passed to by 2.4G wireless communication module 13 focus on device 2, focus on the current information that device 2 transmits according to three fault detectors 1, thus judge concrete fault, failure message is passed back communication switchboard 3 by GSM mobile communication module, communication switchboard 3 is uploaded to supervisory system server 4 after being decoded by failure message, after the line fault of each installation node is comprehensively analyzed by supervisory system server 4, show out of order concrete circuit and concrete trouble spot, and line fault point and fault type are sent to responsible person concerned's mobile phone 5 by GSM short message mode, failture evacuation is carried out by responsible person concerned.Meanwhile, supervisory system server 4, also by communication switchboard 3 with focus on the light warning module 14 that device 2 controls the fault detector 1 of corresponding trouble spot and send alerting signal, reminds maintenance personal to carry out fault handling in time.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.

Claims (6)

1. multi-functional cable line fault intelligent online monitoring system, it is characterized in that: comprise several fault detectors, focus on device, communication switchboard and supervisory system server, described fault detector is arranged on the three-phase conducting wire of cable line respectively, form A phase fault detecting device, B phase fault detecting device and C phase fault detecting device, same cable circuit installs one group of fault detector every 1.5-2km, 2.4G wireless communication module is provided with in described fault detector, focus on device and be also provided with corresponding 2.4G wireless communication module, fault detector and focus between device and carry out wireless two-way radio frequency short haul connection by 2.4G wireless communication module, described fault detector is provided with single chip control unit further, and the current sensor be connected with single chip control unit and light warning module, the described device that focuses on is connected with supervisory system server by communication switchboard, focusing on device is arranged on pylon bar, receive the sampled data of ABC three-phase fault detecting device and carry out failure message primary Calculation, and the data after Treatment Analysis are sent to communication switchboard, communication switchboard is uploaded to supervisory system server after being decoded by failure message.
2. multi-functional cable line fault intelligent online monitoring system as claimed in claim 1, is characterized in that: described in focus on device and communicated with communication switchboard by GSM mobile communication module.
3. multi-functional cable line fault intelligent online monitoring system as claimed in claim 1, is characterized in that: the current sensor of described fault detector adopts high magnetic conduction em induced current sensor.
4. multi-functional cable line fault intelligent online monitoring system as claimed in claim 1, is characterized in that: the single chip control unit of described fault detector adopts the monolithic chip of AT89 series.
5. multi-functional cable line fault intelligent online monitoring system as claimed in claim 1, is characterized in that: described fault detector adopts model to be nRF24L01 chip with the 2.4G wireless communication module focusing on device.
6. multi-functional cable line fault intelligent online monitoring system as claimed in claim 1, is characterized in that: the light warning module of described fault detector adopts red LED lamp.
CN201420819458.5U 2014-12-23 2014-12-23 Multi-functional cable line fault intelligent online monitoring system Active CN204269757U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104459447A (en) * 2014-12-23 2015-03-25 国网浙江诸暨市供电公司 Intelligent multifunctional cable line fault online monitoring system
CN105278521A (en) * 2015-10-15 2016-01-27 珠海格力电器股份有限公司 Method and device for diagnosing fault cause of unit and air conditioning unit
CN110854996A (en) * 2019-10-16 2020-02-28 三门振兴电力发展有限公司 Networking type 10kV intelligent quick user incoming line demarcation type cable branch box online monitoring system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104459447A (en) * 2014-12-23 2015-03-25 国网浙江诸暨市供电公司 Intelligent multifunctional cable line fault online monitoring system
CN105278521A (en) * 2015-10-15 2016-01-27 珠海格力电器股份有限公司 Method and device for diagnosing fault cause of unit and air conditioning unit
CN105278521B (en) * 2015-10-15 2018-01-26 珠海格力电器股份有限公司 Method and device for diagnosing fault cause of unit and air conditioning unit
CN110854996A (en) * 2019-10-16 2020-02-28 三门振兴电力发展有限公司 Networking type 10kV intelligent quick user incoming line demarcation type cable branch box online monitoring system

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