CN204214947U - The critical point electric energy metrical remote maintenance analysis platform of a kind of on-line checkingi and monitoring - Google Patents
The critical point electric energy metrical remote maintenance analysis platform of a kind of on-line checkingi and monitoring Download PDFInfo
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- CN204214947U CN204214947U CN201420731957.9U CN201420731957U CN204214947U CN 204214947 U CN204214947 U CN 204214947U CN 201420731957 U CN201420731957 U CN 201420731957U CN 204214947 U CN204214947 U CN 204214947U
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Abstract
A critical point electric energy metrical remote maintenance analysis platform for on-line checkingi and monitoring, comprises main station system, data handling system, data acquisition system (DAS).Its monitoring analysis content is: detect the electric current of gate energy meter, voltage, phase place, power, power factor, metering secondary pressure drop, the isoparametric operating condition of error and monitor; Arrange at the secondary wiring terminals closest to original signal and begin to measure; To the synchronous high precision monitor of critical point each key link of electric energy metrical; In front end multichannel discrete sampling data are transferred to by fiber optic Ethernet in the server at rear and focus on; Merge cells export by optical fiber switch by tidal data recovering in substation industrial computer.The utility model achieves operating condition to Electric Energy Tariff Point Metering Device, accuracy is controlled, and can also realize the digitizing of electric energy measurement data, networking management and control.
Description
Technical field
The utility model patent belongs to Electric Energy Tariff Point Metering Device monitoring field, relates to the critical point electric energy metrical remote maintenance analysis platform of a kind of on-line checkingi and monitoring.
Background technology
Electric Energy Tariff Point Metering Device refers to the electric power meter of installation and operation at electricity power enterprise's online, transregional interconnection, the electric energy tariff point such as province's net interconnection, inside the province off line and important Firsthand Users, the electric flux of its record, as the basic data of technical economical index, is the key ensureing that can electricity market normally run.As between factory's net, unique valid data that between regional power grid, between grid company and subordinate electric company, between electric company and large Firsthand Users, electricity is settled accounts originates, the problem of its emerged in operation at the scene directly has influence on the important electrical network economy technical indicator of the economic interests and line loss etc. of each relevant unit, is considered as " life table " by each factory, each company.And technical supervision means in Source of Gateway Meter operational process and maintenance management level directly have influence on the accuracy of energy metering and the reliability of plant running.
Summary of the invention
The technical problems to be solved in the utility model is: the critical point electric energy metrical remote maintenance analysis platform proposing a kind of on-line checkingi and monitoring, realizes detecting accurately and monitoring Electric Energy Tariff Point Metering Device.
The technical problems to be solved in the utility model is achieved by the following technical solution.
A critical point electric energy metrical remote maintenance analysis platform for on-line checkingi and monitoring, the utility model is characterised in that: comprise main station system, data handling system, data acquisition system (DAS); Main station system is responsible for the data summarization of multiple website, data handling system concentrates the image data of the multiple monitoring device of single website, it is characterized in that: data acquisition system (DAS) is made up of monitoring device, it arranges at the secondary wiring terminals closest to original signal and begins to measure, and carries out data acquisition to critical point electrical energy devices links; Described data acquisition system (DAS) is 0.05 grade of Spot Data Acquisition System, and this system is made up of voltage acquisition module, current acquisition module, multichannel three-phase merge cells, optical fiber switch, substation industrial computer and multiplex pulse acquisition module; Wherein, voltage, current sample module are connected with respective three-phase merge cells by optical fiber in front end, three-phase merge cells export by optical fiber switch by tidal data recovering in substation industrial computer, multiplex pulse module is connected with substation industrial computer by Ethernet.
The utility model voltage acquisition module front end adopts accurate instrument voltage transformer, 100V voltage is directly changed into the A/D being convenient to data acquisition module and gathers 4V voltage, this voltage transformer (VT) adopts passive double-stage voltage transformer design, double-stage voltage transformer has higher input impedance, substantially its load is not increased time on being connected to mutual inductor secondary and exporting, U/U transducer adopts modular design, is convenient to the transmission of quantity value of last layer; Current acquisition module is amplified the voltage signal that sampling resistor is changed by the adjustable gain instrumentation amplifier of dynamic range 1000:1, make output signal ensure, between (0.4 ~ 4) V, to be transferred to digital quantity finally by 18 high-speed AD as far as possible; It is independent hot plug module that each road three-phase of multichannel three-phase merge cells merges Unit Design; Exported by voltage transformer secondary and connect voltage acquisition module, Current Transformer Secondary exports serial connection current acquisition module, realizes the monitoring the most basic to Electric Energy Tariff Point Metering Device accuracy.
The utility model configures identical voltage sample module, current sample module in different places, realizes the synchronous high precision monitor to critical point each key link of electric energy metrical.
The mode that working method adopts front end distributed sample, rear end focuses on of whole platform, multichannel discrete sampling data to be transferred to by fiber optic Ethernet in front end in the server at rear and to focus on, server is placed in measuring room to ensure the accurate of data processing.
Compared with prior art, the beneficial effects of the utility model are:
One, the utility model achieves operating condition to Electric Energy Tariff Point Metering Device, accuracy controls, and can also realize the digitizing of electric energy measurement data, networking management and control.
Two, the utility model realizes the monitoring to Electric Energy Tariff Point Metering Device pin-point accuracy.
Accompanying drawing explanation
Fig. 1 is that the utility model total system runs block diagram;
Fig. 2 is 0.05 grade of Spot Data Acquisition System device integrated connection figure;
Fig. 3 is voltage acquisition module schematic diagram;
Fig. 4 is current acquisition module principle figure.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As Fig. 1, the critical point electric energy metrical remote maintenance analysis platform of a kind of on-line checkingi and monitoring, the utility model is characterised in that: comprise main station system, data handling system, data acquisition system (DAS); Main station system is responsible for the data summarization of multiple website, data handling system concentrates the image data of the multiple monitoring device of single website, it is characterized in that: data acquisition system (DAS) is made up of monitoring device, it arranges at the secondary wiring terminals closest to original signal and begins to measure, and carries out data acquisition to critical point electrical energy devices links; Described data acquisition system (DAS) is 0.05 grade of Spot Data Acquisition System, and this system is made up of voltage acquisition module, current acquisition module, multichannel three-phase merge cells, optical fiber switch, substation industrial computer and multiplex pulse acquisition module; Wherein, voltage, current sample module are connected with respective three-phase merge cells by optical fiber in front end, three-phase merge cells export by optical fiber switch by tidal data recovering in substation industrial computer, multiplex pulse module is connected with substation industrial computer by Ethernet.
The utility model voltage acquisition module front end adopts accurate instrument voltage transformer, 100V voltage is directly changed into the A/D being convenient to data acquisition module and gathers 4V voltage, this voltage transformer (VT) adopts passive double-stage voltage transformer design, double-stage voltage transformer has higher input impedance, substantially its load is not increased time on being connected to mutual inductor secondary and exporting, U/U transducer adopts modular design, is convenient to the transmission of quantity value of last layer; Current acquisition module is amplified the voltage signal that sampling resistor is changed by the adjustable gain instrumentation amplifier of dynamic range 1000:1, make output signal ensure, between (0.4 ~ 4) V, to be transferred to digital quantity finally by 18 high-speed AD as far as possible; It is independent hot plug module that each road three-phase of multichannel three-phase merge cells merges Unit Design; Exported by voltage transformer secondary and connect voltage acquisition module, Current Transformer Secondary exports serial connection current acquisition module, realizes the monitoring the most basic to Electric Energy Tariff Point Metering Device accuracy.
The utility model configures identical voltage sample module, current sample module in different places, realizes the synchronous high precision monitor to critical point each key link of electric energy metrical.
The mode that working method adopts front end distributed sample, rear end focuses on of whole platform, multichannel discrete sampling data to be transferred to by fiber optic Ethernet in front end in the server at rear and to focus on, server is placed in measuring room to ensure the accurate of data processing.
As shown in Figure 1, system mainly comprises 3-tier architecture: main station system, data handling system, data acquisition system (DAS).Main station system is responsible for the data summarization of multiple website; Data handling system concentrates the image data of the multiple monitoring device of single website; Data acquisition system (DAS) forms primarily of monitoring device, and it arranges at the secondary wiring terminals closest to original signal and begins to measure, and carries out data acquisition to critical point electrical energy devices links.
The mode that working method can adopt front end distributed sample, rear end focuses on of whole platform, multichannel discrete sampling data to be transferred to by fiber optic Ethernet in front end in the server at rear and to focus on, server is placed in measuring room to ensure the accurate of data processing.
In whole data acquisition and measuring process, identical voltage, current sample module can be configured in different places, contribute to realizing the synchronous high precision monitor to critical point each key link of electric energy metrical.
0.05 grade of Spot Data Acquisition System forms primarily of voltage acquisition module, current acquisition module, multichannel three-phase merge cells, optical fiber switch, substation industrial computer and multiplex pulse acquisition module as shown in Figure 2.Voltage, current sample module are connected with respective three-phase merge cells by optical fiber in front end, merge cells export by optical fiber switch by tidal data recovering in substation industrial computer, multiplex pulse module is connected with substation industrial computer by Ethernet.
Voltage acquisition module schematic diagram as shown in Figure 3, front end adopts accurate instrument voltage transformer, 100V voltage is directly changed into the A/D being convenient to data acquisition module and gathers 4V voltage, this voltage transformer (VT) adopts passive double-stage voltage transformer design, double-stage voltage transformer has higher input impedance, substantially do not increase its load time on being connected to mutual inductor secondary and exporting, U/U transducer adopts modular design, is convenient to the transmission of quantity value of last layer.
Current acquisition module principle figure as shown in Figure 4, by the adjustable gain instrumentation amplifier of dynamic range 1000:1, the voltage signal that sampling resistor is changed is amplified, make output signal ensure, between (0.4 ~ 4) V, to be transferred to digital quantity finally by 18 high-speed AD as far as possible.
Claims (2)
1. a critical point electric energy metrical remote maintenance analysis platform for on-line checkingi and monitoring, comprises main station system, data handling system, data acquisition system (DAS); Main station system is responsible for the data summarization of multiple website, data handling system concentrates the image data of the multiple monitoring device of single website, it is characterized in that: data acquisition system (DAS) is made up of monitoring device, it arranges at the secondary wiring terminals closest to original signal and begins to measure, and carries out data acquisition to critical point electrical energy devices links; Described data acquisition system (DAS) is 0.05 grade of Spot Data Acquisition System, and this system is made up of voltage acquisition module, current acquisition module, multichannel three-phase merge cells, optical fiber switch, substation industrial computer and multiplex pulse acquisition module; Wherein, voltage sample module, current sample module are connected with respective three-phase merge cells by optical fiber in front end, three-phase merge cells export by optical fiber switch by tidal data recovering in substation industrial computer, multiplex pulse module is connected with substation industrial computer by Ethernet.
2. the critical point electric energy metrical remote maintenance analysis platform of a kind of on-line checkingi according to claim 1 and monitoring, it is characterized in that: voltage acquisition module front end adopts accurate instrument voltage transformer, 100V voltage is directly changed into the A/D being convenient to data acquisition module and gathers 4V voltage, this voltage transformer (VT) adopts passive double-stage voltage transformer design, and U/U transducer adopts modular design; Current acquisition module is amplified the voltage signal that sampling resistor is changed by the adjustable gain instrumentation amplifier of dynamic range 1000:1, makes output signal between 0.4 ~ 4 volt, is transferred to digital quantity by 18 high-speed AD; It is independent hot plug module that each road three-phase of multichannel three-phase merge cells merges Unit Design.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420731957.9U CN204214947U (en) | 2014-11-28 | 2014-11-28 | The critical point electric energy metrical remote maintenance analysis platform of a kind of on-line checkingi and monitoring |
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| CN201420731957.9U CN204214947U (en) | 2014-11-28 | 2014-11-28 | The critical point electric energy metrical remote maintenance analysis platform of a kind of on-line checkingi and monitoring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977465A (en) * | 2015-07-15 | 2015-10-14 | 江西华强金源电气有限公司 | Remote electric parameter measurement system |
| CN111090003A (en) * | 2019-11-14 | 2020-05-01 | 国网江西省电力有限公司电力科学研究院 | Synchronous direct current electric energy metering system based on Beidou/GPS clock |
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2014
- 2014-11-28 CN CN201420731957.9U patent/CN204214947U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977465A (en) * | 2015-07-15 | 2015-10-14 | 江西华强金源电气有限公司 | Remote electric parameter measurement system |
| CN104977465B (en) * | 2015-07-15 | 2017-12-29 | 南昌大学 | remote electrical parameter measuring system |
| CN111090003A (en) * | 2019-11-14 | 2020-05-01 | 国网江西省电力有限公司电力科学研究院 | Synchronous direct current electric energy metering system based on Beidou/GPS clock |
| CN111090003B (en) * | 2019-11-14 | 2022-04-12 | 国网江西省电力有限公司电力科学研究院 | Synchronous direct current electric energy metering system based on Beidou/GPS clock |
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