CN204154891U - The energy metering device long distance control system of a kind of sing on web GIS - Google Patents
The energy metering device long distance control system of a kind of sing on web GIS Download PDFInfo
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- CN204154891U CN204154891U CN201420634176.8U CN201420634176U CN204154891U CN 204154891 U CN204154891 U CN 204154891U CN 201420634176 U CN201420634176 U CN 201420634176U CN 204154891 U CN204154891 U CN 204154891U
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- 239000013307 optical fiber Substances 0.000 claims abstract description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 238000012795 verification Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 10
- 208000034613 Isolated polycystic liver disease Diseases 0.000 description 6
- 208000021033 autosomal dominant polycystic liver disease Diseases 0.000 description 6
- 238000007726 management method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Abstract
The utility model discloses the energy metering device long distance control system of a kind of sing on web GIS, comprise multiple tested measuring apparatus and a standard electric energy meter, described multiple tested measuring apparatus is all connected with described standard electric energy meter by relay output card; Described relay output card enters picoprocessor by digital I/O clamping; Described standard electric energy meter accesses described picoprocessor by first serial driving chip; Described picoprocessor is connected with mac controller, second serial driving chip; Described mac controller is connected with physical chip, and described physical chip is connected with remote control computer by optical fiber; Described second serial driving chip is connected with local computer for controlling by RS-232 interface.The utility model can be monitored and long-range verification in real time to parameters such as voltage transformer error, current transformer error, electric energy meter error, secondary voltage drops in energy metering device, management for energy metering device provides effective technical basis, ensures the fair and just of electric energy metrical.
Description
Technical field
The utility model relates to a kind of information management for energy metering device and long distance control system, particularly the energy metering device long distance control system of a kind of sing on web GIS.
Background technology
Critical point refers between factory's net, between regional grid, or the boundary of power equipment assets and operation control scope between factory's net and end user.Electric Energy Tariff Point Metering Device generally comprises current transformer (TA) and secondary circuit, voltage transformer (VT) (TV) and secondary circuit and electric energy meter etc., and their General Decentralizeds are arranged on the places such as generating plant, transformer station or end user.At present mainly regularly carry instrument and equipment by professional to the management method of Electric Energy Tariff Point Metering Device and carry out periodic inspection to scene, to electric energy meter annual 4 times, to TV secondary voltage drop every 2 years 1 time, TV and TA is every 10 years 1 time.Widely distributed critical point device needs metrological personnel to carry out a large amount of on-the-spot test work the whole year, far away, task is heavy, it is pressed for time, along with the expansion of electrical network scale, critical point device gets more and more, workload and difficulty continue to increase, and the management of Electric Energy Tariff Point Metering Device machine account and test data is generally employing respective independently computer and office software (EXCEL, WORD etc.) process as instrument, not only Automatic inquirying can not be realized, statistical study, report generation, and sharing of data resource can not be realized, method because of artificial enquiry statistics is easy to cause calibrating expired, undetected, plan the generation of the situation such as unreasonable.Meanwhile, metrological personnel also finds to there are problems in real work:
(1) although achieved the remote auto copy reading to Source of Gateway Meter, but this just carries out transporting function to the information about power of electric energy meter storage inside, cannot test the working condition of electric energy meter entirety and error etc., Real-Time Monitoring can not be carried out to the error of electric energy meter, be difficult to be found in time and between twice inspection, to have occurred measurement problem faults such as (as overproof in precision, wiring error or device) burning out.In recent years because device damages or the mistake frequency that causes measuring apparatus to break down is more and more higher, there is many difficulties when carrying out electric quantity compensating, as the actual load between time of occurring fault and age at failure often lacks effective believable technical data.
(2) each when carrying out on-the-spot accuracy test to electric energy meter, need the current return of tested table to connect with standard scale, the voltage circuit of tested table is in parallel with standard scale, operations such as will unclamping the connection terminal on measuring screen and screw like this, often there is connection terminal to loosen repeatedly or the phenomenon such as stripped thread, there is larger potential faults.
(3) during field test electrical energy meter accuracy, the (rated power of active power >10% be there are certain requirements to the load of secondary circuit, power factor >0.5), once run into Real-time Load or power factor is too low, work of can not testing.
(4) electric energy meter in measuring apparatus, TV and secondary circuit thereof, TA and secondary circuit thereof, wherein any one link all can affect the accuracy of metering.People often only pay attention to the detection to electric energy meter accuracy and wiring correctness, and the detection of mutual inductor and secondary circuit thereof is often out in the cold, and the impact that the fault of this part is brought reaches tens times of electric energy meter error sometimes.As the actual load of TV secondary circuit, be all significantly less than its rated capacity, be everlasting less than 10% through its actual value of on-the-spot test.And the secondary load scope of product design and test is the rated capacity of 25% ~ 100%, so the actual error of mutual inductor work may exceed the limit value of permission.
Summary of the invention
Technical problem to be solved in the utility model is, not enough for prior art, the energy metering device long distance control system of a kind of sing on web GIS is provided, solve the management of existing electric energy tariff point completely by manually making a copy of realization, energy metering device detects and goes to scene just can complete by metrological personnel completely, be difficult to the problem ensureing safety and efficiency, ensure the fair and just of electric energy metrical.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: the energy metering device long distance control system of a kind of sing on web GIS, comprise multiple tested measuring apparatus and a standard electric energy meter, described multiple tested measuring apparatus is all connected with described standard electric energy meter by relay output card; Described relay output card enters picoprocessor by digital I/O clamping; Described standard electric energy meter accesses described picoprocessor by first serial driving chip; Described picoprocessor is connected with mac controller, second serial driving chip; Described mac controller is connected with physical chip, and described physical chip is connected with remote control computer by optical fiber; Described second serial driving chip is connected with local computer for controlling by RS-232 interface.
Described picoprocessor is also connected with liquid crystal driving module, bus controller, and described liquid crystal driving module, bus controller are connected with LCD liquid crystal display screen, storer respectively.
Described relay output card is No. 48 relay output cards.
Described digital I/O card is 48 bit digital I/O cards.
Compared with prior art, the beneficial effect that the utility model has is: the utility model can be monitored and long-range verification in real time to parameters such as voltage transformer error, current transformer error, electric energy meter error, secondary voltage drops in energy metering device, obtain actual error, management for energy metering device provides effective technical basis, ensures the fair and just of electric energy metrical; The utility model solves the management of existing electric energy tariff point completely by manually making a copy of realization, and energy metering device detects and goes to scene just can complete by metrological personnel completely, is difficult to the problem ensureing safety and efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model one example structure block diagram;
Fig. 2 is passage bridge and data acquisition module structured flowchart in Fig. 1.
Embodiment
As depicted in figs. 1 and 2, the utility model one embodiment comprises multiple tested electric energy meter and a SZ-03A-K6 Multi-functional standard electric energy meter (005 grade), and described multiple tested electric energy meter is all connected with SZ-03A-K6 Multi-functional standard electric energy meter by PCLD-8762-AE No. 48 relay output card; PCLD-8762-AE No. 48 relay output card enters picoprocessor TMS320C5X by PCL-7731 48 bit digital I/O clamping; Standard electric energy meter accesses described picoprocessor by first serial driving chip Sipex SP3232; Described picoprocessor is connected with mac controller, second serial driving chip Sipex SP3232; Described mac controller is connected with 10/100M Ethermet physical chip LAN83C185, and described physical chip is connected with remote control computer by optical fiber RJ-45; Described second serial driving chip is connected with local computer for controlling by RS-232 interface.
Picoprocessor is also connected with liquid crystal driving module, bus controller, and liquid crystal driving module, bus controller are connected with LCD liquid crystal display screen, eeprom memory respectively.
Standard electric energy meter is used for obtaining verify error, is realized and the communicating of picoprocessor by RS232 serial ports; PCL-7731 is connected with PCLD-8762-AE by a direct-connected cable of 5O core, and the read-write of PCL-7731 microprocessor to assigned I/O mouth is converted to the order of the break-make of relay on control PCLD-8762-AE, realizes hyperchannel and switches and data acquisition; Mac controller and 10/100MEthernet physical chip LAN83C185 are responsible for carrying out telecommunication with remote control computer; LCD liquid crystal display screen can show measuring apparatus various information; System power supply adopts wide region Switching Power Supply, can work, be provided with overvoltage, overcurrent protection function in 50V ~ 250V scope.
The utility model device testing process is as follows: the voltage of multiple way electric table, electric current and pulse signal input PCLD-8762-AE, the read-write of PCL-7731 microprocessor to assigned I/O mouth is converted to the order of the break-make of relay on control PCLD-8762-AE, select the electric energy meter of current test, standard scale calculates electric energy error according to the electric energy meter pulse collected, and error is sent to picoprocessor TMS320C5X by RS232 stores, TMS320C5X realizes telecommunication by RJ45, realizes local communication by RS232.
Claims (4)
1. an energy metering device long distance control system of sing on web GIS, comprises multiple tested measuring apparatus and a standard electric energy meter, it is characterized in that, described multiple tested measuring apparatus is all connected with described standard electric energy meter by relay output card; Described relay output card enters picoprocessor by digital I/O clamping; Described standard electric energy meter accesses described picoprocessor by first serial driving chip; Described picoprocessor is connected with mac controller, second serial driving chip; Described mac controller is connected with physical chip, and described physical chip is connected with remote control computer by optical fiber; Described second serial driving chip is connected with local computer for controlling by RS-232 interface.
2. the energy metering device long distance control system of sing on web GIS according to claim 1, it is characterized in that, described picoprocessor is also connected with liquid crystal driving module, bus controller, and described liquid crystal driving module, bus controller are connected with LCD liquid crystal display screen, storer respectively.
3. the energy metering device long distance control system of sing on web GIS according to claim 1 and 2, is characterized in that, described relay output card is No. 48 relay output cards.
4. the energy metering device long distance control system of sing on web GIS according to claim 1 and 2, is characterized in that, described digital I/O card is 48 bit digital I/O cards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420634176.8U CN204154891U (en) | 2014-10-29 | 2014-10-29 | The energy metering device long distance control system of a kind of sing on web GIS |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420634176.8U CN204154891U (en) | 2014-10-29 | 2014-10-29 | The energy metering device long distance control system of a kind of sing on web GIS |
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| CN204154891U true CN204154891U (en) | 2015-02-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319529A (en) * | 2015-12-04 | 2016-02-10 | 国网电力科学研究院武汉南瑞有限责任公司 | System and method for calibrating errors of watt-hour meters |
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2014
- 2014-10-29 CN CN201420634176.8U patent/CN204154891U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319529A (en) * | 2015-12-04 | 2016-02-10 | 国网电力科学研究院武汉南瑞有限责任公司 | System and method for calibrating errors of watt-hour meters |
| CN105319529B (en) * | 2015-12-04 | 2018-06-12 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of electric energy meter error check system and method for calibration |
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