CN204269762U - A kind ofly adopt solar powered cable line fault intelligent online monitoring system - Google Patents

A kind ofly adopt solar powered cable line fault intelligent online monitoring system Download PDF

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Publication number
CN204269762U
CN204269762U CN201420819401.5U CN201420819401U CN204269762U CN 204269762 U CN204269762 U CN 204269762U CN 201420819401 U CN201420819401 U CN 201420819401U CN 204269762 U CN204269762 U CN 204269762U
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China
Prior art keywords
fault
cable line
monitoring system
online monitoring
solar powered
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CN201420819401.5U
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Inventor
张宏达
楼良明
俞键
傅振宇
刘帅
赵春林
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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 CN201420819401.5U priority Critical patent/CN204269762U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52Outage or fault management, e.g. fault detection or location

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  • Photovoltaic Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Alarm Systems (AREA)

Abstract

The utility model discloses and a kind ofly adopts solar powered 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 powered by photovoltaic cell component, and 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, a kind of short circuit adopted on solar powered 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

A kind ofly adopt solar powered cable line fault intelligent online monitoring system
Technical field
The utility model relates to and a kind ofly adopts solar powered 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;
4, the device that focuses on connecting fault detector generally adopts storage battery power supply, needs periodic replacement.
In view of this, the present inventor studies this, develops specially a kind ofly to adopt solar powered cable line fault intelligent online monitoring system, and this case produces thus.
Utility model content
The purpose of this utility model is to provide and a kind ofly adopts solar powered 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:
A kind ofly adopt solar powered 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, internal battery is also connected with photovoltaic cell component, by photovoltaic cell component for focusing on device continued power, focus on device 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-mentionedly a kind ofly adopt solar powered 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-mentionedly a kind ofly solar powered cable line fault intelligent online monitoring system is adopted to have 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) focus on device by photovoltaic cell component continued power, ensure the reliability of power supply on the one hand, adopt sun power, clean environment firendly on the other hand;
3) carry out overall monitor by the online current system of fault detector Real-time Collection to line fault, breakdown judge more in time, accurately;
4) 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;
5) 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 a kind of module frame chart adopting solar powered 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, a kind ofly adopt solar powered 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, internal battery is also connected with photovoltaic cell component 21, by photovoltaic cell component 21 for focusing on device 2 continued power, focus on device 2 to be 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.
Described in the utility modelly a kind ofly adopt solar powered cable line fault intelligent online monitoring system principle of work: 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. one kind adopts solar powered 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, internal battery is connected with photovoltaic cell component, powered for focusing on device by photovoltaic cell component, focus on device 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. a kind ofly adopt solar powered cable line fault intelligent online monitoring system as claimed in claim 1, it is characterized in that: described in focus on device and communicated with communication switchboard by GSM mobile communication module.
3. a kind ofly adopt solar powered cable line fault intelligent online monitoring system as claimed in claim 1, it is characterized in that: the current sensor of described fault detector adopts high magnetic conduction em induced current sensor.
4. a kind ofly adopt solar powered cable line fault intelligent online monitoring system as claimed in claim 1, it is characterized in that: the single chip control unit of described fault detector adopts the monolithic chip of AT89 series.
5. a kind ofly adopt solar powered cable line fault intelligent online monitoring system as claimed in claim 1, it is characterized in that: described fault detector and the 2.4G wireless communication module focusing on device adopt model to be nRF24L01 chip.
6. a kind ofly adopt solar powered cable line fault intelligent online monitoring system as claimed in claim 1, it is characterized in that: the light warning module of described fault detector adopts red LED lamp.
CN201420819401.5U 2014-12-23 2014-12-23 A kind ofly adopt solar powered cable line fault intelligent online monitoring system Active CN204269762U (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
CN104459472A (en) * 2014-12-23 2015-03-25 国网浙江诸暨市供电公司 Solar-energy-collecting-power-supply cable line fault intelligent on-line monitoring system
CN106443141A (en) * 2016-09-14 2017-02-22 国网浙江省电力公司丽水供电公司 Power cut alarm device
CN107370455A (en) * 2017-07-27 2017-11-21 孙睿超 A kind of automatic monitoring of photovoltaic cell system and troubleshooting methodology

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104459472A (en) * 2014-12-23 2015-03-25 国网浙江诸暨市供电公司 Solar-energy-collecting-power-supply cable line fault intelligent on-line monitoring system
CN106443141A (en) * 2016-09-14 2017-02-22 国网浙江省电力公司丽水供电公司 Power cut alarm device
CN107370455A (en) * 2017-07-27 2017-11-21 孙睿超 A kind of automatic monitoring of photovoltaic cell system and troubleshooting methodology

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