CN204154892U - A kind of device for energy meter standard automatic verification system - Google Patents
A kind of device for energy meter standard automatic verification system Download PDFInfo
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- CN204154892U CN204154892U CN201420634222.4U CN201420634222U CN204154892U CN 204154892 U CN204154892 U CN 204154892U CN 201420634222 U CN201420634222 U CN 201420634222U CN 204154892 U CN204154892 U CN 204154892U
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- energy meter
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- standard automatic
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- 238000012795 verification Methods 0.000 title claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000003750 conditioning effect Effects 0.000 claims abstract description 6
- 238000005094 computer simulation Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013097 stability assessment Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Abstract
The utility model discloses a kind of device for energy meter standard automatic verification system, comprise computing machine, described computing machine is connected with processor by communication module, and described processor connects A/D modular converter, display module, level switch module, clock module; Described level switch module is connected with optocoupler; Described A/D modular converter is connected with signal conditioning circuit.The utility model can realize automatic Verification to electric energy meter calibrating apparatus, improves detection efficiency, can ensure testing result accurately and reliably.
Description
Technical field
The utility model relates to device for energy meter standard, particularly a kind of device for energy meter standard automatic verification system.
Background technology
Whether electric energy meter calibrating apparatus is stablized, and is related to the accuracy of electric energy meter transmission of quantity value, so electric energy meter calibrating apparatus must regularly carry out examining and determine and safeguarding.According to the requirement of JJG597-2005 " AC electrical energy meter calibration vertification regulation ", examine and determine a three-phase electric energy meter standard set-up and have multiple calibrating project, this just needs the error of verification tens POLs only to examine and determine fundamental error, though the verification system energy recording error value automatically of current most domestic electric energy meter calibrating apparatus, but need change of load manually, standard set-up POL is manually adjusted continually by measurement verification personnel, increase the difficulty of verifying work, improve the possibility of maloperation, and reduce the efficiency of calibration operation.Meanwhile, in order to ensure that this metrological standard unit is in the accuracy of good working state and verification, tackling this electric energy meter checking device and at least carrying out one-shot measurement repeatability, stability assessment and contrastive test every year.And measuring repeatability and stability assessment record are also checks examines one of key project, and the measuring method adopted at present is completely by manual control stage body, and manually record data and carry out calculating and comparing, the accuracy of result cannot ensure.
Summary of the invention
Technical problem to be solved in the utility model is, not enough for prior art, provides a kind of device for energy meter standard automatic verification system that can realize automatic Verification to electric energy meter calibrating apparatus, improves calibrating efficiency.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of device for energy meter standard automatic verification system, comprise computing machine, described computing machine is connected with processor by communication module, and described processor connects A/D modular converter, display module, level switch module, clock module; Described level switch module is connected with optocoupler; Described A/D modular converter is connected with signal conditioning circuit.
The utility model can carry out typing, management and inquiry to the data of all accredited device for energy meter standards, and data type comprises document and picture etc.Can to expire maintenance or calibrating etc. according to the information of every table apparatus prompting metrological personnel.
The utility model can complete annual repeated stability assessment automatically, generates examination record, and calculates the result of appraisal.Reduce the possibility that artificial copy data and result of calculation make the mistake, and related data and record are upgraded in time and preserves.
Compared with prior art, the beneficial effect that the utility model has is: the utility model can realize automatic Verification to electric energy meter calibrating apparatus, improves detection efficiency, can ensure testing result accurately and reliably.
Accompanying drawing explanation
Fig. 1 is the utility model one embodiment and tested electric energy meter calibrating apparatus connection diagram.
Embodiment
As shown in Figure 1, the utility model one embodiment comprises industrial computer IPC-610H, and industrial computer is connected with DSP by communication module, and DSP connects A/D modular converter, LCD display module, level switch module, clock module; Level switch module is connected with optocoupler; A/D modular converter is connected with signal conditioning circuit.
Industrial computer IPC-610H is used for arranging calibrating scheme, realizes multi-functional calibrating, processes data, exports steering order and print record and report etc.
In the present embodiment, tested electric energy meter calibrating apparatus is made up of CL303 type program controled power source and CL3013B type standard electric energy meter.CL303 type program controled power source access industrial computer, CL3013B type standard electric energy meter access optocoupler TLP785; Between signal conditioning circuit parallel connection access CL303 type program controled power source and CL3013B type standard electric energy meter.
Industrial computer is communicated with verification system and by checking device by RS232 serial communication mode simultaneously.When examining and determine, industrial computer sends control signal to by checking device, program controled power source CL303 exports corresponding three-phase voltage, three-phase current according to control signal, and verification system is connected with, current return in parallel by the voltage circuit of checking device internal standard electric energy meter CL3013B.Three-phase voltage, three-phase current are converted to the simulating signal of applicable A/D module processing by signal conditioning circuit by links such as sampling, amplification, filtering, change while adopting 16 A/D conversion chip AD7656 to realize six tunnel simulating signals, and export digital signal to dsp processor.Adopt TMS320F28335 type digital signal processing chip as core processor, read the electrical energy pulse of pulse catch circuit in real time, and calculate electric flux according to the digital signal sequences of AD7656 conversion, thus calculate electric energy error.Optocoupler TLP785 realizes isolation, and 74LVC4245 realizes level conversion, electrical energy impulse signals is converted to the signal of applicable DSP process.Communication module adopts PL2303 to realize the conversion of USB interface and RS232 serial line interface, to realize detection system and the intercommunication mutually of industrial computer, tested electric energy data is uploaded to industrial computer, sends control command to verification system simultaneously.Clock module PCF2129 provides clock reference, the electric parameter data of the real-time display measurement of LCD display module HJ320240 and the state of instrument for High-precision standard table.
Calibrating scheme in the utility model industrial computer is all arranged according to the requirement of JJG597-2005 " AC electrical energy meter calibration vertification regulation ", can revise if needed.
Claims (9)
1. a device for energy meter standard automatic verification system, comprises computing machine, it is characterized in that, described computing machine is connected with processor by communication module, and described processor connects A/D modular converter, display module, level switch module, clock module; Described level switch module is connected with optocoupler; Described A/D modular converter is connected with signal conditioning circuit.
2. device for energy meter standard automatic verification system according to claim 1, is characterized in that, described computer model is IPC-610H.
3. device for energy meter standard automatic verification system according to claim 1 and 2, is characterized in that, described processor is DSP.
4. device for energy meter standard automatic verification system according to claim 3, is characterized in that, described A/D modular converter adopts AD7656 chip.
5. device for energy meter standard automatic verification system according to claim 4, is characterized in that, described optocoupler model is TLP785.
6. device for energy meter standard automatic verification system according to claim 5, is characterized in that, described level switch module adopts 74LVC4245 chip.
7. device for energy meter standard automatic verification system according to claim 6, is characterized in that, described communication module adopts PL2303.
8. device for energy meter standard automatic verification system according to claim 7, is characterized in that, described clock module is PCF2129.
9. device for energy meter standard automatic verification system according to claim 7, is characterized in that, described display module is LCD display module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420634222.4U CN204154892U (en) | 2014-10-29 | 2014-10-29 | A kind of device for energy meter standard automatic verification system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420634222.4U CN204154892U (en) | 2014-10-29 | 2014-10-29 | A kind of device for energy meter standard automatic verification system |
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| CN204154892U true CN204154892U (en) | 2015-02-11 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487042A (en) * | 2015-12-28 | 2016-04-13 | 云南电网有限责任公司电力科学研究院 | Electric energy metering device function detection system |
| CN105866727A (en) * | 2016-06-13 | 2016-08-17 | 国网江苏省电力公司电力科学研究院 | Real-time checking system for electric energy meter calibrating device |
| CN106205101A (en) * | 2016-09-28 | 2016-12-07 | 申丽 | A kind of M BUS communication interface transducer for the most compatible Europe superscript agreement of centralized meter-reading system |
| CN106772196A (en) * | 2017-01-05 | 2017-05-31 | 云南电网有限责任公司电力科学研究院 | A kind of electric energy metrical standard set-up on-line monitoring method |
| CN109465208A (en) * | 2018-08-14 | 2019-03-15 | 国网浙江省电力有限公司湖州供电公司 | A kind of device and method for tearing back the verification of single-phase electric energy meter intelligent sorting open |
-
2014
- 2014-10-29 CN CN201420634222.4U patent/CN204154892U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487042A (en) * | 2015-12-28 | 2016-04-13 | 云南电网有限责任公司电力科学研究院 | Electric energy metering device function detection system |
| CN105866727A (en) * | 2016-06-13 | 2016-08-17 | 国网江苏省电力公司电力科学研究院 | Real-time checking system for electric energy meter calibrating device |
| CN106205101A (en) * | 2016-09-28 | 2016-12-07 | 申丽 | A kind of M BUS communication interface transducer for the most compatible Europe superscript agreement of centralized meter-reading system |
| CN106772196A (en) * | 2017-01-05 | 2017-05-31 | 云南电网有限责任公司电力科学研究院 | A kind of electric energy metrical standard set-up on-line monitoring method |
| CN106772196B (en) * | 2017-01-05 | 2019-08-06 | 云南电网有限责任公司电力科学研究院 | A kind of electrical energy measurement standard set-up on-line monitoring method |
| CN109465208A (en) * | 2018-08-14 | 2019-03-15 | 国网浙江省电力有限公司湖州供电公司 | A kind of device and method for tearing back the verification of single-phase electric energy meter intelligent sorting open |
| CN109465208B (en) * | 2018-08-14 | 2020-12-01 | 国网浙江省电力有限公司湖州供电公司 | Device and method for intelligently sorting and checking disassembled single-phase electric energy meter |
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