CN204925317U - A distribution network automation terminal for quick fault localization - Google Patents

A distribution network automation terminal for quick fault localization Download PDF

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Publication number
CN204925317U
CN204925317U CN201520709064.9U CN201520709064U CN204925317U CN 204925317 U CN204925317 U CN 204925317U CN 201520709064 U CN201520709064 U CN 201520709064U CN 204925317 U CN204925317 U CN 204925317U
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China
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fault
terminal
module
signal
communication module
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Chinese (zh)
Inventor
孙侃
曹宗岭
卜权
万庭辉
于谭继
刘颖
王二王
唐飞
班业兴
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Special Power Transformation Work Nanjing Intelligent Electric Co Ltd
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Special Power Transformation Work Nanjing Intelligent Electric Co Ltd
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Abstract

The utility model discloses a distribution network automation terminal for quick fault localization, including host system, trouble collection module, communication module and power module, host system is used for signal processing, control to give message routing and join in marriage the host positioning system that stands, stand positioning system and handle and export figure location result by joining in marriage the host, communication module is used for the signal transmission of intermodule, including multiple communication mode, trouble collection module is integrated inside the terminal for the fault -signal who sends fault indicator carries out the real -time sampling. Fault indicator sends fault -signal for the terminal through little wireless communication module, carries out logical processing, judgement by the terminal to fault -signal. The utility model discloses based on the feeder terminal, through integrating the fault indicator function, effectively enlarged the density of keeping apart fault section, segmented the fault locating point, reach the improvement judgement accurate, quick to earth fault, equipment is small, the integrated level is high, has reduced the installation of product and has maintained the flow.

Description

A kind of distribution automation terminal for quick position fault
Technical field
The utility model belongs to distribution network technology field, relates to the fault detection technique of power distribution network, specifically refers to a kind of distribution automation terminal for quick position fault.
Background technology
The principle that intelligent power distribution network construction, is followed for target with " improve power supply reliability, improve power supply quality, promote distribution management level " " comprehensively, be suitable for, difference and perspective ", guarantees that distribution reliably, efficiently, flexibly runs.Distribution network terminal, as the picker of power distribution network information, is equivalent to eye and the hand of system, is used for gathering line voltage distribution, electric current, rated output etc., can receive superior instructions outlet splitting or integrating lock switch simultaneously.
Along with the development of distribution network technology, intelligent switch supporting with it possessed high-performance, highly reliable, non-maintaining, the functions such as networking telemechanical interface are provided; Be no matter the restriction that the fault detector of " two is distant " or " three is distant " all can be subject to communication distance, for reaching the quick position of fault, the quantity that relevant device drops into will inevitably be increased, cause the increase of construction costs cost; For effectively expanding the density to fault section isolation, reducing the installation quantity of indicator and collector, by adopting micropower wireless frequency hopping communication means, realizing Local wireless network networking and forwarding failure message.In addition on the one hand, ARM9 main control module, by acquisition module, signal processing module, communication module unification, is reasonably configured by distribution terminal and intelligent switch, thus realizes the functions such as remote signalling, remote measurement, remote control and remote regulating.
Utility model content
For above-mentioned technical matters, the utility model provides a kind of distribution automation terminal for quick position fault, ensures that quick, exact failure is located and while isolation, can effectively reduce the installation quantity of fault detector, reduce costs, improve the integrated level of equipment.
The utility model is achieved through the following technical solutions above-mentioned purpose:
For a distribution automation terminal for quick position fault, comprise main control module, fault collection module, communication module and power module;
Described main control module is high integrated signal transacting, control module, and the information after process is sent to distribution main website positioning system, by the positioning system process of distribution main website and output pattern positioning result;
Described fault collection module integration, at terminal inner, carries out real-time sampling for the fault-signal sent fault detector;
Described communication module is used for the Signal transmissions of intermodule, comprises the multiple communication modes of small wireless communication module and optical fiber/GPRS communication module;
Described power module provides the power supply needed for work for main control module.
Preferably, described fault detector is two distant fault detectors, and is arranged by multiple two distant fault detectors and form Local wireless network networking and form.
Preferably, described Local wireless network networking possesses micropower wireless frequency hopping communication function, forward failure message by Local wireless network networking, real-time report to distribution main website positioning system, by the positioning system process of distribution main website and output pattern positioning result.
Preferably, fault-signal is sent to terminal by small wireless communication module by described fault detector.
Preferably, the mode of dicyclo self-healing is adopted to carry out communication between described terminal and distribution main website positioning system.
Preferably, described main control module is made up of ARM9 processor, storer, house dog, real-time clock, peripheral drive circuit interface, LCDs.
Preferably, described ARM9 processor adopts Atmel9X25 master chip to coordinate with analog to digital conversion AD7606, signal transacting and analog conversion function is united two into one, effectively improves the processing speed of data.
The beneficial effects of the utility model are:
1, the utility model is based on line feed terminals, by integrating fault detector function, effectively expanding the density to fault section isolation, having segmented localization of fault point, reaches to improve to judge accurately and rapidly earth fault; Equipment volume is little, integrated level is high, decreases the installation and maintenance flow process of product;
2, the utility model forms Local wireless network networking by fault detector, possesses micropower wireless frequency hopping communication function, forward failure message by Local wireless network networking, quick, accurate localizing faults can be realized, and the installation quantity of fault detector can be effectively reduced;
3, the utility model terminal achieves that low cost, volume are little, integrated level advantages of higher.
Accompanying drawing explanation
Fig. 1 is structural schematic block diagram of the present utility model;
Fig. 2 is the utility model terminal basic framework schematic diagram;
Fig. 3 is the communication structure schematic diagram of the embodiment of the utility model terminal.
Embodiment
Below in conjunction with drawings and Examples, the utility model and effect thereof are further elaborated.
As shown in Figure 1,3, a kind of distribution automation terminal for quick position fault, comprises main control module, fault collection module, communication module and provides the power module of power supply for main control module;
Main control module is signal transacting, the control module of high integrated multifunction, and the information after process is sent to distribution main website positioning system, by the positioning system process of distribution main website and output pattern positioning result;
Communication module is used for the Signal transmissions of intermodule, comprises the multiple communication modes of small wireless communication module and optical fiber/GPRS communication module
Fault collection module integration, at terminal inner, carries out real-time sampling for the fault-signal sent fault detector.Fault-signal is sent to terminal by small wireless communication module by fault detector, carries out logical process, judgement by terminal to fault-signal.The utility model is distribution network terminal based on existing line feed terminals FTU, by integrating fault detector function, effectively expanding the density to fault section isolation, having segmented localization of fault point, reaches to improve to judge accurately and rapidly earth fault.The integrated fault collection module of terminal inner, and adopt high integrated main control module, such that equipment volume is little, integrated level is high, decreases the installation and maintenance flow process of product.
High integrated, multi-functional main control module is made up of elements such as ARM9 processor, storer, house dog, real-time clock, peripheral drive circuit interface, LCDs; ARM9 processor adopts Atmel9X25 master chip to coordinate with analog to digital conversion AD7606, signal transacting and analog conversion function is united two into one, effectively improves the processing speed of data.The data bus of processor and address bus are for being bi-directionally connected, and the bus expanding out by Double wire transmission completes the control of the module to intake YX, the amount of outputing YK.On communication modes, realize the multiplexing function of serial ports expansion; Carry out transparent transmission between the serial ports of ARM9 processor and AtmelR21 serial ports, thus complete the data retransmission to indicator wireless networking; Atmel9X25 master chip carries double netcard function, be converted into after driving electric mouth and optic module with the use of.
Fault detector is two distant fault detectors, and is arranged by multiple two distant fault detectors and form Local wireless network networking and form.Particularly, form basic network node by 3 two distant fault detector longitudinal arrangements, between basic network node, spacing 200 meters of transverse directions are arranged in turn and are formed Local wireless network networking.Communication is carried out by small wireless communication module between basic network node and main control module.A, B, C are basic network node as shown in Figure 2, and the intelligent terminal that A point is close with it carries out communication by small wireless net, the subordinate B point that A point is close with it, and B point subordinate C point, by parity of reasoning can arrange 5 grades of networkings.Local wireless network networking possesses micropower wireless frequency hopping communication function, forwards failure message, expand the density to fault section isolation, segmented localization of fault point, decrease the installation quantity of collector simultaneously by Local wireless network networking.
Failure message is passed to terminal by small wireless net by two distant fault detectors, after simple logical process, the information of correspondence is uploaded in real time distribution main website positioning system, by the positioning system process of distribution main website and output pattern positioning result; For ensureing the safe and reliable of straighforward operation, terminal and the positioning system communication of distribution main website adopt the mode of dicyclo self-healing to carry out.
Above embodiment is only exemplary; can't the utility model be limited to, should be understood that for a person skilled in the art, under technology enlightenment provided by the utility model; other equivalent modifications of making and improvement, all should be considered as protection domain of the present utility model.

Claims (7)

1. for a distribution automation terminal for quick position fault, it is characterized in that: described terminal comprises main control module, fault collection module, communication module and power module;
Described main control module is high integrated signal transacting, control module, and the information after process is sent to distribution main website positioning system, by the positioning system process of distribution main website and output pattern positioning result;
Described fault collection module integration, at terminal inner, carries out real-time sampling for the fault-signal sent fault detector;
Described communication module is used for the Signal transmissions of intermodule, comprises the multiple communication modes of small wireless communication module and optical fiber/GPRS communication module;
Described power module provides the power supply needed for work for main control module.
2. a kind of distribution automation terminal for quick position fault according to claim 1, is characterized in that: described fault detector is two distant fault detectors, and is arranged by multiple two distant fault detectors and form Local wireless network networking and form.
3. a kind of distribution automation terminal for quick position fault according to claim 2, is characterized in that: described Local wireless network networking possesses micropower wireless frequency hopping communication function.
4. a kind of distribution automation terminal for quick position fault according to claim 1, is characterized in that: fault-signal is sent to terminal by small wireless communication module by described fault detector.
5., according to the arbitrary described a kind of distribution automation terminal for quick position fault of claim 1-4, it is characterized in that: between described terminal and distribution main website positioning system, adopt the mode of dicyclo self-healing to carry out communication.
6., according to the arbitrary described a kind of distribution automation terminal for quick position fault of claim 1-4, it is characterized in that: described main control module is made up of ARM9 processor, storer, house dog, real-time clock, peripheral drive circuit interface, LCDs.
7. a kind of distribution automation terminal for quick position fault according to claim 6, is characterized in that: described ARM9 processor adopts Atmel9X25 master chip to coordinate with analog to digital conversion AD7606, signal transacting and analog conversion function is united two into one.
CN201520709064.9U 2015-09-15 2015-09-15 A distribution network automation terminal for quick fault localization Active CN204925317U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109738760A (en) * 2019-02-19 2019-05-10 国网福建省电力有限公司 A kind of distribution network short circuit fault localization method merging a variety of distribution terminal data
CN111146755A (en) * 2019-12-31 2020-05-12 石家庄高景软件科技有限公司 Feeder terminal and line protection device
CN112054860A (en) * 2020-09-15 2020-12-08 上海华兴数字科技有限公司 Radio frequency fault recurrence method and system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109738760A (en) * 2019-02-19 2019-05-10 国网福建省电力有限公司 A kind of distribution network short circuit fault localization method merging a variety of distribution terminal data
CN111146755A (en) * 2019-12-31 2020-05-12 石家庄高景软件科技有限公司 Feeder terminal and line protection device
CN111146755B (en) * 2019-12-31 2022-06-07 石家庄高景软件科技有限公司 Feeder terminal and line protection device
CN112054860A (en) * 2020-09-15 2020-12-08 上海华兴数字科技有限公司 Radio frequency fault recurrence method and system

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