CN102427279A - Spot detection system for power distribution terminal and detection method for spot detection system - Google Patents
Spot detection system for power distribution terminal and detection method for spot detection system Download PDFInfo
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- CN102427279A CN102427279A CN2012100014378A CN201210001437A CN102427279A CN 102427279 A CN102427279 A CN 102427279A CN 2012100014378 A CN2012100014378 A CN 2012100014378A CN 201210001437 A CN201210001437 A CN 201210001437A CN 102427279 A CN102427279 A CN 102427279A
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Abstract
The invention discloses a spot detection system for a power distribution terminal and a detection method for the spot detection system. The spot detection system consists of an upper computer, a three-phase alternating-current multifunctional standard source, a power distribution terminal telesignalisation remote control box and a detected power distribution terminal, wherein the upper computer is connected with the power distribution terminal telesignalisation remote control box, the three-phase alternating-current multifunctional standard source and the detected power distribution terminal respectively; the detected power distribution terminal is connected with the power distribution terminal telesignalisation remote control box and the three-phase alternating-current multifunctional standard source respectively. By the spot detection system, spot automatic detection and property evaluation of the power distribution terminal can be realized; and a convenient and effective solution is supplied to spot detection and maintenance for the power distribution terminal.
Description
Technical field
The invention belongs to the on-the-spot detection technique field of electric power system terminal equipment, be specifically related to on-the-spot detection system of a kind of distribution terminal and detection method thereof.
Background technology
Distribution transformer monitoring and metering terminal and electric flux terminal unit are respectively the visual plants in distribution automation system and the electric energy metering system; Mainly contain functions such as instantaneous value measurement, electrical energy metering, status monitoring; To strengthening electricity consumption monitoring, prevent stealing, strengthening device security and keep watch on, prevent accident, improve operational management and economic operation level provides scientific basis, satisfy the demand of modern electric dsm and power marketing.
The on-the-spot distribution terminal that detects; Except the error of sense terminals; Emphasis need carry out electric energy metrical detection, maximum demand metering detection, status monitoring detection, time detecting, reporting events detection; And at present on-the-spotly these are carried out in the terminal detect and also have big difficulty, the on-the-spot detection scheme of perfect distribution terminal is not also arranged.When the distribution terminal of scene operation has arrived cycle detection or has been out of order, can only tear go back to the laboratory open and detect, this is to being safeguarded that distribution terminal has increased cost, and has prolonged the time of troubleshooting.
Summary of the invention
The present invention provides on-the-spot detection system of a kind of distribution terminal and detection method thereof, the on-the-spot of distribution terminal is detected and performance evaluation automatically realizing, guarantee the distribution terminal check validity, promptness and operation accurately, reliable.
The present invention realizes above-mentioned purpose through following technical scheme: the on-the-spot detection system of a kind of distribution terminal; Form by host computer, the multi-functional standard source of three-phase alternating current, distribution terminal remote signalling remote-control box, seized distribution terminal; Host computer is connected with seized distribution terminal with distribution terminal remote signalling remote-control box, the multi-functional standard source of three-phase alternating current respectively, and seized distribution terminal is connected with distribution terminal remote signalling remote-control box, the multi-functional standard source of three-phase alternating current respectively.
Described host computer is to be equipped with based on the on-the-spot portable computer that detects software of the distribution terminal of Visual C++2010 programming language exploitation.
The multi-functional standard source of described three-phase alternating current is to export 0～300V phase voltage, 0～24A phase current, 2～31 subharmonic; And the power failure of the ability analog electrical output net operating mode and the phase failure, decompression, defluidization, reversed polarity; The preparation of three phase power output is 0.05%RG; Frequency output accuracy reaches 0.002Hz, and voltage/current output accuracy reaches 0.05%, and phase place output accuracy reaches 0.05 °; Every phase carrying load ability is 25VA, and the frequency output area is the multi-functional standard source of the three-phase alternating current of 35Hz～75Hz.
Described distribution terminal remote signalling remote-control box is check meter RS-485 output and 10 road idle automatic switching switching values inputs and the equipment of usb communication interface is provided of simulation 1 tunnel infrared signal output, 4 road electric flux pulses output, 2 road electronic electric energy meters.
Said distribution terminal is to comprise distribution transformer monitoring and metering terminal and electric flux terminal unit.
The detection method of the on-the-spot detection system of said distribution terminal comprises the steps:
(1) on host computer, configures earlier test item; After downloading test item; Host computer sends work order by the requirement of preset test item, and the voltage and current signal of the multi-functional standard source output of control three-phase alternating current simulation electrical network operating mode, distribution terminal remote signalling remote-control box analog electrical output energy pulse, RS-485 amr message are to seized distribution terminal;
(2) seized distribution terminal detects the action that voltage, current signal, electric flux pulse input and RS-485 amr message are made information processing according to it; And corresponding switching value sent to distribution terminal remote signalling remote-control box, corresponding electric energy information is sent to host computer through the Ethernet mode;
(3) host computer is analyzed information and standard information that seized distribution terminal sends, compare and is judged, draws testing result, and the output examining report.
Outstanding advantage of the present invention is:
(1) can carry out that the parameter setting detects with inquiry detections, quantity of state acquisition testing, error-detecting, clock detection, communication check, electric energy metrical, the maximum demand metering detects, status monitoring detects to distribution terminal, data-frozen detection, all kinds of logout and report detection;
(2) have the function that self-defined detection method is selected with classical way, automatically detected and manually detect selection, data storing, output examining report based on the on-the-spot software that detects of the distribution terminal of Visual C++2010 programming language exploitation, close friend's man machine operation interface is provided simultaneously;
(3) detection method is simple and practical, and each module is easy to assembly and disassembly, is easy to carry.
Description of drawings
Fig. 1 is the structured flowchart of the on-the-spot detection system of distribution terminal of the present invention.
Fig. 2 is the on-the-spot software architecture diagram that detects of the distribution terminal of the on-the-spot detection system of distribution terminal of the present invention.
Fig. 3 is the automatic testing process figure of the detection method of the on-the-spot detection system of distribution terminal of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment on-the-spot detection system of distribution terminal of the present invention and detection method thereof are carried out detailed explanation.
As shown in Figure 1; The on-the-spot detection system of distribution terminal of the present invention is made up of host computer, the multi-functional standard source of three-phase alternating current, distribution terminal remote signalling remote-control box, seized distribution terminal; Host computer is connected with seized distribution terminal with distribution terminal remote signalling remote-control box, the multi-functional standard source of three-phase alternating current respectively, and seized distribution terminal is connected with distribution terminal remote signalling remote-control box, the multi-functional standard source of three-phase alternating current respectively.
Host computer is to be equipped with based on the on-the-spot portable computer that detects software of the distribution terminal of Visual C++2010 programming language exploitation.
The multi-functional standard source of three-phase alternating current is to export 0～300V phase voltage, 0～24A phase current, 2～31 subharmonic and can analog electrical output net operating mode and the power failure of the phase failure, decompression, defluidization, reversed polarity; The preparation of three phase power output is 0.05%RG; Frequency output accuracy reaches 0.002Hz; Voltage/current output accuracy reaches 0.05%; Phase place output accuracy reaches 0.05 °, and every phase carrying load ability is 25VA, and the frequency output area is the multi-functional standard source of the three-phase alternating current of 35Hz～75Hz.
Distribution terminal remote signalling remote-control box is check meter RS-485 output and 10 road idle automatic switching switching values inputs and the equipment of usb communication interface is provided of simulation 1 tunnel infrared signal output, 4 road electric flux pulses output, 2 road electronic electric energy meters.
Distribution terminal is to comprise distribution transformer monitoring and metering terminal, electric flux terminal unit.
The operation principle of the on-the-spot detection system of distribution terminal of the present invention: the voltage and current signal of the multi-functional standard source output of PC control three-phase alternating current simulation electrical network operating mode, distribution terminal remote signalling remote-control box analog electrical output energy pulse, RS-485 amr message are to seized distribution terminal; Seized distribution terminal detects the action that voltage, current signal, electric flux pulse input and RS-485 amr message are made information processing according to it; And corresponding switching value sent to distribution terminal remote signalling remote-control box, corresponding electric energy information is sent to host computer through the Ethernet mode; Host computer is analyzed information and standard information that seized distribution terminal sends, compare and is judged, draws testing result and output examining report.
Map 2; The on-the-spot detection of distribution terminal of the present invention software is platform with WINDOWS; Adopt the exploitation of Visual C++2010 programming language; According to OO layering principle, this software configuration is divided into communication layers, data logical layer and presentation layer: Communication Layer mainly is responsible for the data that receive are upwards passed to the data logical layer and the frame of data logical layer encapsulation is sent out, and main multithreading asynchronous transmission technology and the usb communication of adopting of the realization technology of this layer is technological; The data logical layer mainly is responsible for data parsing, data encapsulation, storage, logic determines and data check; Re-send to presentation layer after the data that communication layers transmission is come are resolved, judge, checks, stores, and the data that the presentation layer transmission is next are undertaken sending to communication layers after frame encapsulates by the communication protocol requirement; Presentation layer mainly is responsible for receiving outside input command and showing testing result, is human-computer interaction interface.
The on-the-spot software that detects of distribution terminal has self-defined detection method and classical way selection, automatically detects and manually detect the function of selection, data storing, output examining report and the characteristics that assembly type module package, reliability height, strong, the anti-unauthorized operation of antijamming capability and network hacker are invaded, and friendly man machine operation interface is provided simultaneously.
Map 3, the detection method of the on-the-spot detection system of distribution terminal of the present invention, concrete steps are following:
A, put up detection system, connect the line between each module,, and start each module to the detection system power supply by the described structure of Fig. 1;
B, on host computer, configure test item, and select automatic detection mode according to field condition;
C, download test item; Host computer sends work order by the order of preset test item and the requirement of coherent detection standard, and the multi-functional standard source output of control three-phase alternating current correspondent voltage current signal, distribution terminal remote signalling remote-control box simulation output state amount, electric flux pulse, RS-485 amr message are to seized distribution terminal;
D, seized distribution terminal detect the action of making a response of voltage, current signal, quantity of state input, electric flux pulse input and RS-485 amr message according to it; And corresponding switching value and quantity of state sent to distribution terminal remote signalling remote-control box, corresponding electric energy information is sent to host computer through the Ethernet mode;
E, host computer are analyzed, relatively and judge from standard information and metrical information that the multi-functional standard source of three-phase alternating current, distribution terminal remote signalling remote-control box, seized distribution terminal read test item respectively, draw testing result, accomplish a test item;
F, system get into next test item automatically, so circulation;
After g, set test item were all accomplished, the output examining report detected automatically and finishes.
Claims (6)
1. the on-the-spot detection system of a distribution terminal; It is characterized in that; This detection system is made up of host computer, the multi-functional standard source of three-phase alternating current, distribution terminal remote signalling remote-control box, seized distribution terminal; Host computer is connected with seized distribution terminal with distribution terminal remote signalling remote-control box, the multi-functional standard source of three-phase alternating current respectively, and seized distribution terminal is connected with distribution terminal remote signalling remote-control box, the multi-functional standard source of three-phase alternating current respectively.
2. the on-the-spot detection system of distribution terminal according to claim 1 is characterized in that, described host computer is to be equipped with based on the on-the-spot portable computer that detects software of the distribution terminal of Visual C++2010 programming language exploitation.
3. the on-the-spot detection system of distribution terminal according to claim 1; It is characterized in that the multi-functional standard source of described three-phase alternating current is to export 0～300V phase voltage, 0～24A phase current, 2～31 subharmonic, and can analog electrical output net operating mode and the power failure of the phase failure, decompression, defluidization, reversed polarity; The preparation of three phase power output is 0.05%RG; Frequency output accuracy reaches 0.002Hz, and voltage/current output accuracy reaches 0.05%, and phase place output accuracy reaches 0.05 °; Every phase carrying load ability is 25VA, and the frequency output area is the multi-functional standard source of the three-phase alternating current of 35Hz～75Hz.
4. the on-the-spot detection system of distribution terminal according to claim 1; It is characterized in that described distribution terminal remote signalling remote-control box is check meter RS-485 output and 10 road idle automatic switching switching values inputs and the equipment of usb communication interface is provided of simulation 1 tunnel infrared signal output, 4 road electric flux pulses output, 2 road electronic electric energy meters.
5. the on-the-spot detection system of distribution terminal according to claim 1 is characterized in that said distribution terminal is to comprise distribution transformer monitoring and metering terminal and electric flux terminal unit.
6. the detection method of the on-the-spot detection system of the described distribution terminal of claim 1 is characterized in that this method comprises the steps:
(1) on host computer, configures earlier test item; After downloading test item; Host computer sends work order by the requirement of preset test item, and the voltage and current signal of the multi-functional standard source output of control three-phase alternating current simulation electrical network operating mode, distribution terminal remote signalling remote-control box analog electrical output energy pulse, RS-485 amr message are to seized distribution terminal;
(2) seized distribution terminal detects the action that voltage, current signal, electric flux pulse input and RS-485 amr message are made information processing according to it; And corresponding switching value sent to distribution terminal remote signalling remote-control box, corresponding electric energy information is sent to host computer through the Ethernet mode;
(3) host computer is analyzed information and standard information that seized distribution terminal sends, compare and is judged, draws testing result, and the output examining report.
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| CN2012100014378A CN102427279A (en) | 2012-01-05 | 2012-01-05 | Spot detection system for power distribution terminal and detection method for spot detection system |
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Cited By (10)
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| CN102788921A (en) * | 2012-08-29 | 2012-11-21 | 广西电网公司电力科学研究院 | Detection method of function and performance of power distribution automation terminal device |
| CN104022914A (en) * | 2014-04-26 | 2014-09-03 | 广西电网公司电力科学研究院 | Method for automatic terminal function detection of distribution network |
| CN104297631A (en) * | 2014-09-28 | 2015-01-21 | 上海金智晟东电力科技有限公司 | Fault diagnosis device and diagnosis and maintenance method for ring main unit power distribution terminal |
| CN104375038A (en) * | 2014-11-21 | 2015-02-25 | 国家电网公司 | Extensible closed-loop synchronous power distribution automation terminal detection platform and method |
| CN104464253A (en) * | 2014-11-20 | 2015-03-25 | 国家电网公司 | Intelligent diagnosis method for field electricity information acquisition equipment |
| CN104749467A (en) * | 2015-03-30 | 2015-07-01 | 航天科工深圳（集团）有限公司 | Distribution terminal self-diagnostic method and system |
| CN104820143A (en) * | 2015-04-10 | 2015-08-05 | 深圳市科陆电子科技股份有限公司 | Automatic testing method for power distribution automatic terminal, and system thereof |
| CN108469558A (en) * | 2018-03-08 | 2018-08-31 | 国网湖南省电力公司 | A kind of automatic checkout system and method for intelligence distribution transformer terminals |
| CN109444593A (en) * | 2018-11-21 | 2019-03-08 | 科大智能电气技术有限公司 | A kind of automatization test system and method for distribution terminal load function |
| CN109490658A (en) * | 2018-09-26 | 2019-03-19 | 国网浙江省电力有限公司台州供电公司 | Distribution terminal automatic verification system |
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Cited By (14)
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| CN102788921B (en) * | 2012-08-29 | 2015-04-01 | 广西电网公司电力科学研究院 | Detection method of function and performance of power distribution automation terminal device |
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| CN104297631B (en) * | 2014-09-28 | 2016-11-30 | 上海金智晟东电力科技有限公司 | Failure diagnosis apparatus and diagnosis and repair method thereof for ring main unit distribution terminal |
| CN104297631A (en) * | 2014-09-28 | 2015-01-21 | 上海金智晟东电力科技有限公司 | Fault diagnosis device and diagnosis and maintenance method for ring main unit power distribution terminal |
| CN104464253A (en) * | 2014-11-20 | 2015-03-25 | 国家电网公司 | Intelligent diagnosis method for field electricity information acquisition equipment |
| CN104375038A (en) * | 2014-11-21 | 2015-02-25 | 国家电网公司 | Extensible closed-loop synchronous power distribution automation terminal detection platform and method |
| CN104749467A (en) * | 2015-03-30 | 2015-07-01 | 航天科工深圳（集团）有限公司 | Distribution terminal self-diagnostic method and system |
| CN104749467B (en) * | 2015-03-30 | 2018-02-02 | 航天科工深圳（集团）有限公司 | Distribution terminal self-diagnosing method and system |
| CN104820143A (en) * | 2015-04-10 | 2015-08-05 | 深圳市科陆电子科技股份有限公司 | Automatic testing method for power distribution automatic terminal, and system thereof |
| CN108469558A (en) * | 2018-03-08 | 2018-08-31 | 国网湖南省电力公司 | A kind of automatic checkout system and method for intelligence distribution transformer terminals |
| CN109490658A (en) * | 2018-09-26 | 2019-03-19 | 国网浙江省电力有限公司台州供电公司 | Distribution terminal automatic verification system |
| CN109444593A (en) * | 2018-11-21 | 2019-03-08 | 科大智能电气技术有限公司 | A kind of automatization test system and method for distribution terminal load function |
| CN109444593B (en) * | 2018-11-21 | 2021-04-06 | 科大智能电气技术有限公司 | Automatic testing system and method for load-carrying performance of power distribution terminal |
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Application publication date: 20120425 |