CN205720519U - A kind of line fault on-line monitoring system - Google Patents

A kind of line fault on-line monitoring system Download PDF

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Publication number
CN205720519U
CN205720519U CN201620240261.5U CN201620240261U CN205720519U CN 205720519 U CN205720519 U CN 205720519U CN 201620240261 U CN201620240261 U CN 201620240261U CN 205720519 U CN205720519 U CN 205720519U
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China
Prior art keywords
line
fault
monitoring
detection module
signal detection
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Active
Application number
CN201620240261.5U
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Chinese (zh)
Inventor
程干江
王海
王婧
李凤先
王帅
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Shui Yuanhua Electric Co., Ltd.
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Beijing Semeureka Electric Co Ltd
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Priority to CN201620240261.5U priority Critical patent/CN205720519U/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

Abstract

This utility model provides a kind of line fault on-line monitoring system, is favorably improved work efficiency.Described system includes: signal source, signal detection module, wireless radio frequency modules, wireless transport module, monitoring central server and monitoring terminal;Described signal source, for when distribution line generation singlephase earth fault being detected, injects characteristic current signal in earth-return circuit;Described signal detection module, is used for detecting when distribution line breaks down, and output fault message is to described wireless radio frequency modules;Described wireless radio frequency modules, for transmitting fault message to monitoring central server by wireless transport module;Described monitoring central server, for receiving fault message and storing the installation site figure of described signal detection module;Described monitoring terminal, for obtaining installation site figure and the fault message of described storage, and shows failure identification at the described abort situation in described installation site figure.This utility model is applicable to technical field of electric power.

Description

A kind of line fault on-line monitoring system
Technical field
This utility model relates to technical field of electric power, particularly relates to a kind of line fault on-line monitoring system.
Background technology
Electrical network the most faulty, generation of singlephase earth fault in the middle of the process of transmission of electricity.When line fault occurs, generally Use on-the-spot manual detection method to search the abort situation of circuit, i.e. utilize instrument below lines branch and below circuit, to carry out event Barrier judges, this method not only bothers, and the most.
In prior art, disclosing a kind of overhead type earth-fault indicator, this indicator can show rapidly fault There is position, thus improve the reliability of supply line.But this indicator needs testing staff with the naked eye to fault detector Testing result observe, the artificial testing result gathering fault detector, inefficiency, and observation effect easily receive existing The impact of field surrounding enviroment, such as, rainwater weather.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of line fault on-line monitoring system, to solve existing skill The artificial testing result gathering fault detector of overhead type earth-fault indicator needs existing for art, inefficiency, and The problem that observation effect easily receives the impact of on-the-spot surrounding enviroment.
For solving above-mentioned technical problem, this utility model embodiment provides a kind of line fault on-line monitoring system, including: The signal source being arranged on distribution line and signal detection module, wireless radio frequency modules, wireless transport module, Surveillance center services Device and monitoring terminal;
Described signal source, is used for judging whether distribution line occurs singlephase earth fault, the most then note in earth-return circuit Enter characteristic current signal, when the signal detection module being arranged on distribution line detects described characteristic current signal, carry out Alarm prompt;
Described signal detection module, is used for detecting whether described distribution line breaks down, when described distribution wire being detected Time breaking down in road, output fault message is to described wireless radio frequency modules, and described fault message includes: described fault bit confidence Breath;
Described wireless radio frequency modules, passes through described wireless transport module for the fault message exported by signal detection module Transmission is to monitoring central server;
Described monitoring central server, is used for receiving described fault message, is additionally operable to store described signal detection module Installation site figure;
Described monitoring terminal, for obtaining installation site figure and the fault message of the storage of described monitoring central server, And show failure identification at the described abort situation in described installation site figure.
Further, described signal detection module includes: processor and multiple detector;
Described detector, for detecting the current signal on distribution wire circuit and voltage signal;
Described processor, judges this detector for the current signal according to each described detector feedback and voltage signal Whether position breaks down.
Further, each described detector includes: current transformer, high pass filter, voltage transformer and low pass filtered Ripple device;
Described current transformer is connected with described processor by described high pass filter;
Described voltage transformer is connected with described processor by described low pass filter.
Further, described signal detection module also includes: for the reset circuit of the described processor state information that resets, It is connected with described processor.
Further, described monitoring central server also includes: short message transceiving module;Described system also includes: note is received Transmitting apparatus;
Described short message transceiving module, for sending described fault message to described short message transceiving device.
Further, described monitoring terminal includes: for pointing out the alarm module of described fault message.
Further, described monitoring terminal includes: hand-held mobile terminal and microcomputer monitoring terminal.
Further, described system also includes: big solar panel and Sunny energy cell panel;
The power supply outfan of described Sunny energy cell panel is connected with the energization input of described signal detection module.
The power supply outfan of described big solar panel is connected with the energization input of described wireless transport module.
Further, described system also includes: accumulator and backup battery;
The power supply outfan of described accumulator is connected with the energization input of described wireless transport module.
The power supply outfan of described backup battery is connected with the energization input of described signal detection module.Further, Described wireless transport module is: wireless GSM transport module.
Having the beneficial effect that of technique scheme of the present utility model:
In such scheme, detect whether distribution line breaks down, if detecting by signal source and signal detection module When described distribution line breaks down, export fault message;And pass sequentially through wireless radio frequency modules, wireless transport module by described Transmitting fault information, to monitoring central server, is received described fault message by monitoring central server, and stores described signal The installation site figure of detection module, finally, the installation site figure stored according to described monitoring central server and fault message, Show failure identification at described abort situation in described installation site figure, and present to line upkeep people by monitoring terminal Member.As such, it is possible to fault message to be passed to indoor from outdoor, and on monitoring terminal, show the position of the circuit broken down Put, thus substantially reduce the time of line attendant artificial acquisition testing module test result, improve circuit dimension Protect the work efficiency of personnel.
Accompanying drawing explanation
The structural representation one of the line fault on-line monitoring system that Fig. 1 provides for this utility model embodiment;
Fig. 2 is the detailed construction schematic diagram of signal detection module 1 in Fig. 1;
The structural representation two of the line fault on-line monitoring system that Fig. 3 provides for this utility model embodiment.
[main element symbol description]
1: signal detection module;
11: processor;
12: detector;
13: reset circuit;
2: wireless radio frequency modules;
3: wireless transport module;
31: big solar panel;
32: accumulator;
4: monitoring central server;
41: short message transceiving module;
5: monitoring terminal;
6: signal source;
7: Sunny energy cell panel;
8: backup battery;
9: short message transceiving device.
Detailed description of the invention
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing And specific embodiment is described in detail.
This utility model needs the artificial detection gathering fault detector for existing overhead type earth-fault indicator As a result, inefficiency, and observation effect easily receives the problem of impact of on-the-spot surrounding enviroment, it is provided that a kind of line fault is online Monitoring system.
It is illustrated in figure 1 a kind of line fault on-line monitoring system that this utility model embodiment provides, including: it is arranged on Signal source 6 on distribution line and signal detection module 1, wireless radio frequency modules 2, wireless transport module 3, monitoring central server 4 and monitoring terminal 5;
Described signal detection module 1, is used for detecting whether described distribution line breaks down, when described distribution wire being detected Time breaking down in road, output fault message is to described wireless radio frequency modules 2, and described fault message includes: described fault bit confidence Breath;
Described wireless radio frequency modules 2, is wirelessly transferred mould described in being passed through by the fault message that signal detection module 1 exports Block 3 transmits to monitoring central server 4;
Described monitoring central server 4, is used for receiving described fault message, is additionally operable to store described signal detection module 1 Installation site figure;
Described monitoring terminal 5, for obtaining installation site figure and the fault letter of the storage of described monitoring central server 4 Breath, and show failure identification at the described abort situation in described installation site figure;
Described signal source 6, is used for judging whether distribution line occurs singlephase earth fault, the most then in earth-return circuit Inject characteristic current signal, when the signal detection module 1 being arranged on distribution line detects described characteristic current signal, enter Row alarm prompt.
Line fault on-line monitoring system described in this utility model embodiment, by signal source 6 and signal detection module 1 Whether detection distribution line breaks down, if detecting when described distribution line breaks down, exports fault message;And lead to successively Cross wireless radio frequency modules 2, described transmitting fault information to monitoring central server 4, is taken by wireless transport module 3 by Surveillance center Business device 4 receives described fault message, and stores the installation site figure of described signal detection module 1, finally, according in described monitoring The installation site figure of central server 4 storage and fault message, show at the described abort situation in described installation site figure Failure identification, and present to line attendant by monitoring terminal 5.As such, it is possible to fault message is passed to indoor from outdoor, And on monitoring terminal 5, show the position of the circuit broken down, thus substantially reduce line attendant and artificially gather The time of detection module test result, improve the work efficiency of line attendant.
As in figure 2 it is shown, described signal detection module 1 includes: processor 11 and multiple detector 12;
Described detector 12, for detecting the current signal on distribution wire circuit and voltage signal;
Described processor 11, judges this inspection for the current signal according to each described detector 12 feedback and voltage signal Survey whether device 12 position breaks down;
In this utility model embodiment, described processor 11 can be Programmable Logic Controller, ARM or AVR single chip, described Processor 11 includes: analog-digital converter.
Each described detector 12 includes: current transformer, high pass filter, voltage transformer and low pass filter;Institute Stating current transformer to be connected with described processor 11 by described high pass filter, described voltage transformer is by described low pass filtered Ripple device is connected with described processor 11.
In described detector 12, high pass filter is used for filtering the first-harmonic in current transformer output signal and low order is humorous Ripple, outputs signal to processor 11;Low pass filter is used for filtering the High-frequency Interference in voltage transformer output signal, leaves behind Power frequency component is to processor 11;Processor 11 by combining the voltage signal and current signal transmitted in each detector 12, To judge whether this detector 12 position breaks down.
In this utility model embodiment, described processor 11 can also judge it according to the measured value of voltage transformer Whether the circuit at detector 12 place has electricity, if circuit does not has electricity, then allows processor 11 enter resting state, until again detecting To there being electricity just to start circuit malfunction monitoring, in such manner, it is possible to greatly reduce the power consumption of signal detection module 1, extend signal inspection simultaneously Survey the service life of module 1.
In this utility model embodiment, every bus of transmission line of electricity has a signal source 6, all main lines, branch line and It is equipped with detector 12 on branch line, signal source 6 detects whether transmission line of electricity occurs singlephase earth fault, and when fault Injecting characteristic current signal to faulty section, detector 12 detects this characteristic current signal, then it is assumed that circuit there occurs ground connection event , otherwise it is assumed that there is not earth fault in barrier;Upon the occurrence of a ground fault, output fault message.
In this utility model embodiment, as in figure 2 it is shown, described signal detection module 1 can also include: reset circuit 13;Described reset circuit 13, for the status information of the described processor 11 that resets, reset circuit 13 and described processor 11 phase Even;Reset circuit 13 can also be used to resetting processor 11 during scheduling and planning.
As it is shown on figure 3, described monitoring central server 4 also includes: short message transceiving module 41;Described system also includes: short Letter R-T unit 9;Described short message transceiving module 41, for sending described fault message to described note by the way of note R-T unit 9, such as, mobile phone, in order to remind line attendant that faulty line is safeguarded timely.
In this utility model embodiment, described monitoring terminal 5 includes: for pointing out the warning mould of described fault message Block, in order to remind line attendant that faulty line is safeguarded timely.
In this utility model embodiment, check line fault information, institute whenever and wherever possible for the ease of line attendant State monitoring terminal 5 and be possible not only to be microcomputer monitoring terminal, it is also possible to be hand-held mobile terminal.
In this utility model embodiment, as it is shown on figure 3, described system also includes: Sunny energy cell panel 7 and the big sun Can cell panel 31;The power supply outfan of described Sunny energy cell panel 7 is with the energization input of described signal detection module 1 even Connecing, the power supply outfan of big solar panel 31 is connected with the energization input of described wireless transport module 3.Utilize Sunny Energy cell panel 7 and big solar panel 31 absorb sunlight, and by solar radiation by photoelectric effect or Photochemical effects It is converted directly or indirectly into electric energy, provides power supply for described signal detection module 1 and described wireless transport module 3, it is possible to reduce System energy consumption.
In this utility model embodiment, in order to ensure at rainy weather, it is possible to the described signal detection module 1 of normal use Carrying out fault detect with described wireless transport module 3, described system can also utilize backup battery 8 and accumulator 32, is respectively Described signal detection module 1 and described wireless transport module 3 provide power supply;Wherein, the power supply outfan of described accumulator 32 with The energization input of described wireless transport module 3 connects, power supply outfan and the described signal detection module 1 of backup battery 8 Energization input connects.
In this utility model embodiment, described wireless transport module 3 is wireless GSM transport module.
The above is preferred implementation of the present utility model, it is noted that for the ordinary skill of the art For personnel, on the premise of without departing from principle described in the utility model, it is also possible to make some improvements and modifications, these improve Also protection domain of the present utility model is should be regarded as with retouching.

Claims (10)

1. a line fault on-line monitoring system, it is characterised in that including: the signal source being arranged on distribution line and signal Detection module, wireless radio frequency modules, wireless transport module, monitoring central server and monitoring terminal;
Described signal source, is used for judging whether distribution line occurs singlephase earth fault, the most then inject spy in earth-return circuit Levy current signal, when the signal detection module being arranged on distribution line detects described characteristic current signal, alert Prompting;
Described signal detection module, is used for detecting whether described distribution line breaks down, when detecting that described distribution line is sent out During raw fault, output fault message is to described wireless radio frequency modules, and described fault message includes: described fault location information;
Described wireless radio frequency modules, for transmitting the fault message that signal detection module exports by described wireless transport module To monitoring central server;
Described monitoring central server, is used for receiving described fault message, is additionally operable to store the installation of described signal detection module The location drawing;
Described monitoring terminal, for obtaining installation site figure and the fault message of the storage of described monitoring central server, and Failure identification is shown at described abort situation in described installation site figure.
Line fault on-line monitoring system the most according to claim 1, it is characterised in that described signal detection module bag Include: processor and multiple detector;
Described detector, for detecting the current signal on distribution wire circuit and voltage signal;
Described processor, judges this detector place for the current signal according to each described detector feedback and voltage signal Whether position breaks down.
Line fault on-line monitoring system the most according to claim 2, it is characterised in that each described detector includes: Current transformer, high pass filter, voltage transformer and low pass filter;
Described current transformer is connected with described processor by described high pass filter;
Described voltage transformer is connected with described processor by described low pass filter.
Line fault on-line monitoring system the most according to claim 3, it is characterised in that described signal detection module also wraps Include: for the reset circuit of the described processor state information that resets, be connected with described processor.
5. according to the line fault on-line monitoring system described in any one of claim 1-4, it is characterised in that described Surveillance center Server also includes: short message transceiving module;Described system also includes: short message transceiving device;
Described short message transceiving module, for sending described fault message to described short message transceiving device.
6. according to the line fault on-line monitoring system described in any one of claim 1-4, it is characterised in that described monitoring terminal Including: for pointing out the alarm module of described fault message.
7. according to the line fault on-line monitoring system described in any one of claim 1-4, it is characterised in that described monitoring terminal Including: hand-held mobile terminal and microcomputer monitoring terminal.
8. according to the line fault on-line monitoring system described in any one of claim 1-4, it is characterised in that described system is also wrapped Include: big solar panel and Sunny energy cell panel;
The power supply outfan of described Sunny energy cell panel is connected with the energization input of described signal detection module;
The power supply outfan of described big solar panel is connected with the energization input of described wireless transport module.
9. according to the line fault on-line monitoring system described in any one of claim 1-4, it is characterised in that described system is also wrapped Include: accumulator and backup battery;
The power supply outfan of described accumulator is connected with the energization input of described wireless transport module;
The power supply outfan of described backup battery is connected with the energization input of described signal detection module.
10. according to the line fault on-line monitoring system described in any one of claim 1-4, it is characterised in that described wireless biography Defeated module is: wireless GSM transport module.
CN201620240261.5U 2016-03-25 2016-03-25 A kind of line fault on-line monitoring system Active CN205720519U (en)

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Application Number Priority Date Filing Date Title
CN201620240261.5U CN205720519U (en) 2016-03-25 2016-03-25 A kind of line fault on-line monitoring system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106850251A (en) * 2016-11-30 2017-06-13 北海高创电子信息孵化器有限公司 A kind of network information transmission system
CN106950460A (en) * 2017-05-05 2017-07-14 深圳市瀚路新能源汽车有限公司 Fault detection method, device and high voltage distribution box
CN107329050A (en) * 2017-08-18 2017-11-07 广东电网有限责任公司韶关供电局 A kind of circuitry fault detection method, detection means and detecting system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106850251A (en) * 2016-11-30 2017-06-13 北海高创电子信息孵化器有限公司 A kind of network information transmission system
CN106950460A (en) * 2017-05-05 2017-07-14 深圳市瀚路新能源汽车有限公司 Fault detection method, device and high voltage distribution box
CN107329050A (en) * 2017-08-18 2017-11-07 广东电网有限责任公司韶关供电局 A kind of circuitry fault detection method, detection means and detecting system

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GR01 Patent grant
C14 Grant of patent or utility model
CP01 Change in the name or title of a patent holder

Address after: 100083 Building No. 1, No. 5, Yongfeng Road, Haidian District, Beijing 301

Patentee after: Beijing Shuimu Yuanhua Electric Co., Ltd.

Address before: 100083 Building No. 1, No. 5, Yongfeng Road, Haidian District, Beijing 301

Patentee before: BEIJING SEMEUREKA ELECTRICS CO., LTD.

Address after: 100083 Building No. 1, No. 5, Yongfeng Road, Haidian District, Beijing 301

Patentee after: Shui Yuanhua Electric Co., Ltd.

Address before: 100083 Building No. 1, No. 5, Yongfeng Road, Haidian District, Beijing 301

Patentee before: Beijing Shuimu Yuanhua Electric Co., Ltd.

CP01 Change in the name or title of a patent holder