CN105223538B - The quality control method of detection device for electric energy meter automatic Verification assembly line - Google Patents
The quality control method of detection device for electric energy meter automatic Verification assembly line Download PDFInfo
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- CN105223538B CN105223538B CN201510774536.3A CN201510774536A CN105223538B CN 105223538 B CN105223538 B CN 105223538B CN 201510774536 A CN201510774536 A CN 201510774536A CN 105223538 B CN105223538 B CN 105223538B
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- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 238000012795 verification Methods 0.000 title claims abstract description 17
- 238000003908 quality control method Methods 0.000 title claims abstract description 9
- 238000005259 measurement Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 6
- 238000002788 crimping Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
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- 230000000737 periodic effect Effects 0.000 description 1
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Abstract
The present invention relates to a kind of detection devices for electric energy meter automatic Verification assembly line, including pallet, fixed holder thereon, it is rack-mount that standard verifies device, at least one groove is opened up respectively on the left plate of holder, right plate, connection jaws are placed in groove, and the input/output connecting terminal that standard verifies device is connected with the connection jaws.The invention also discloses a kind of quality control methods of the detection device for electric energy meter automatic Verification assembly line.The present invention can effectively solve the problem that calibrating unit instrument problem whether working properly under big load operating conditions, be verified without artificial, time saving and energy saving；The present apparatus can enter assembly line in the case where not suspending assembly line, calibrating unit just at work is detected, determine whether the calibrating unit function of measuring is working properly, service personnel can be notified to handle in time if there is abnormal, it is ensured that each item data for examining and determine link is accurate, reliable.
Description
Technical field
It is especially a kind of for electric energy meter automatic Verification assembly line the present invention relates to automatic calibration system technical field
The quality control method of detection device.
Background technology
With the development of intelligent grid construction, the country has built up multiple lists, three-phase electric energy meter automatic calibration assembly line, makes
The calibrating of electric energy meter is no longer traditional manual operation, realize the high-volume of electric energy meter, full-automatic calibrating operation, elimination
Quality difference is examined and determine caused by artificial and region factor, effectively increases calibrating and dispatching work quality efficiency and management through quantification water
It is flat.However, under the calibrating pattern of this full-automatic no manual intervention, the problem of various electric energy meter automatic Verification assembly lines
Slowly emerge out.
Although electric energy meter automatic Verification assembly line can realize large-scale concentration calibrating, how to ensure it for a long time
The accuracy of verification result under the working condition of big load, is anxious concern.Electric energy meter calibrating apparatus can not be verified
The deviation of itself needs measuring instrument to its periodic inspection, it is ensured that its accuracy, according to measurement Law, it is strong that electric energy meter belongs to requirement
Make calibrating working measuring instrument, and the automatic assembly line calibrating installation for examining and determine electric energy meter also must pass the qualification exams after ability
It carries out the work, the verification technology of the electric energy meter automatic assembly line used at present is use device tester equipment manual operation
Detection, time and effort consuming are a problem to be solved using the Automated inspection equipment for adapting to pipelining pattern.
Invention content
The purpose of the present invention is to provide one kind to verify automatically electric energy meter automatic Verification assembly line, it is ensured that its
The higher detection for electric energy meter automatic Verification assembly line of verification result accuracy under big load operating conditions for a long time
The quality control method of device.
To achieve the above object, present invention employs following technical schemes：One kind being used for electric energy meter automatic Verification assembly line
Detection device quality control method, this method includes the steps that following order：
(1) detection device is transferred to calibrating unit with assembly line supply unit, passes through automatic crimping system and calibrating unit
Connection, the actual measurement electric energy for examining and determine unit is compared with the feedback power of detection device, obtains the first relative error ylab；
(2) detection device is connected with 0.01 grade of electric energy standard set-up, by the actual measurement electric energy of 0.01 grade of electric energy standard set-up
Compared with the feedback power of detection device, the second relative error y is obtainedref；
(3) work as satisfaction | ylab-yref|≤UlabWhen, judge that the calibrating unit of the assembly line is qualified, wherein UlabIt is examined for every set
Determine the expanded uncertainty that device Pre-Evaluation obtains；Conversely, working as | ylab-yref| ＞ UlabWhen, calibrating installation sends abnormal pre- automatically
It is alert；
The detection device includes pallet, thereon fixed holder, and standard verification device is rack-mount, the left side of holder
At least one groove is opened up on plate, right plate respectively, connection jaws are placed in groove, and standard verifies the input/output wiring of device
Terminal is connected with the connection jaws, and connection jaws verify the input/output end port of device as standard；The detection device further includes outer
Cover, outer cover are set in standard and verify on device and be connected by screw and holder, and the holder is connected by screw and pallet；It is described
Pallet is single-phase pallet, and two grooves are opened up on left plate, right plate, a connection jaws are placed in each groove；The support
Disk is three-phase pallet, and a groove is opened up on left plate, right plate, a connection jaws are placed in each groove；It is one
Connection jaws include two rows of interfaces, wherein upper row is respectively 2 RS485 communication interfaces, 2 versatile interfaces and 2 pulse outputs
Interface, lower row are 2 voltage interfaces and 2 current interfaces.
After detection device is transferred to calibrating unit with assembly line supply unit, connected by automatic crimping system and calibrating unit
It connects, the voltage interface of detection device, current interface is made to be inserted into the voltage wiring terminal and current wiring terminal of calibrating unit respectively,
Detection device feedback voltage, electric current, parameter, power and electric power signal, and inputted by pulse output interface, 485 communication interfaces
Examine and determine unit.
The first relative error ylabCalculation formula it is as follows：
In formula, W is the actual measurement energy value for examining and determine unit, that is, examines and determine the energy value that measurement criteria electric energy meter is accumulative in unit,
Its unit is kWh；W0The calculated feedback power value of device, unit kWh are verified for detection device internal standard；First relatively accidentally
Poor ylabUnit be %；
The second relative error yrefCalculation formula it is as follows：
In formula, W' is the actual measurement energy value of 0.01 grade of electric energy standard set-up, i.e. metering mark in 0.01 grade of electric energy standard set-up
The accumulative energy value of quasi- electric energy meter, unit kWh；W0' it is that detection device internal standard verifies the calculated feedback power value of device,
Its unit is kWh；Second relative error yrefUnit be %.
As shown from the above technical solution, advantages of the present invention is as follows：First, the present invention examines and determine unit by automatic inspection
Accuracy and the stability for measuring electric energy meter electric energy error can effectively solve the problem that calibrating unit instrument under big load operating conditions
Whether problem working properly, verified without artificial, it is time saving and energy saving；Second, the present apparatus can be the case where not suspending assembly line
Under, enter assembly line together using the detection device and the pallet for being commonly loaded with electric energy meter, to calibrating unit just at work
It is detected, then uses comparative transmission, determine whether the calibrating unit function of measuring is working properly, it can if there is exception
To notify service personnel to handle in time, it is ensured that each item data for examining and determine link is accurate, reliable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present apparatus；
Fig. 2 is the vertical view of the present apparatus；
Fig. 3 is the A-A sectional views of Fig. 2.
Specific implementation mode
A kind of detection device for electric energy meter automatic Verification assembly line, including pallet 1, thereon fixed holder 2, standard core
Device 3 is looked on the holder 2, opens up at least one groove 6 respectively on the left plate of holder 2, right plate, connection jaws 4 are placed on
In groove 6, the input/output connecting terminal that standard verifies device 3 is connected with the connection jaws 4, and connection jaws 4 verify device as standard
3 input/output end port further includes outer cover 5, and outer cover 5 is set in standard and verifies on device and be connected by screw and holder, described
Holder is connected by screw and pallet, as shown in Figure 1, 2, 3.
As shown in Figure 1, 2, 3, the pallet 1 is single-phase pallet 1, opens up two grooves 6 on left plate, right plate, often
A connection jaws 4 are placed in a groove 6.The pallet 1 is three-phase pallet 1, and a groove 6 is opened up on left plate, right plate,
A connection jaws 4 are placed in each groove 6.One connection jaws 4 include two rows of interfaces, wherein upper row is respectively 2
RS485 communication interfaces, 2 versatile interfaces and 2 pulse output interfaces, lower row be 2 voltage interfaces and 2 current interfaces,
Connection jaws 4 are herein as converting interface.
This method includes：(1) detection device is transferred to calibrating unit with assembly line supply unit, passes through automatic crimping system
It is connected with calibrating unit, the actual measurement electric energy for examining and determine unit is compared with the feedback power of detection device, obtain first relatively accidentally
Poor ylab；(2) detection device is connected with 0.01 grade of electric energy standard set-up, by the actual measurement electric energy of 0.01 grade of electric energy standard set-up with
The feedback power of detection device compares, and obtains the second relative error yref；(3) work as satisfaction | ylab-yref|≤UlabWhen, judgement should
The calibrating unit of assembly line is qualified, wherein UlabThe expanded uncertainty obtained for every set calibrating installation Pre-Evaluation；Conversely, working as |
ylab-yref| ＞ UlabWhen, calibrating installation sends abnormity early warning information and gives automatic assembly line Master Control Center automatically, automates flowing water
Line Master Control Center is shown and is alarmed by human-computer interaction interface.
After detection device is transferred to calibrating unit with assembly line supply unit, connected by automatic crimping system and calibrating unit
It connects, the voltage interface of detection device, current interface is made to be inserted into the voltage wiring terminal and current wiring terminal of calibrating unit respectively,
Detection device feedback voltage, electric current, parameter, power and electric power signal, and inputted by pulse output interface, 485 communication interfaces
Examine and determine unit.That is, its voltage and current signal is sent to detection device by calibrating unit, detection device receives voltage electricity
It is calculated after stream signal, and by result of calculation --- power and electric energy feed back to calibrating unit.
The first relative error ylabCalculation formula it is as follows：
In formula, W is the actual measurement energy value for examining and determine unit, that is, examines and determine the energy value that measurement criteria electric energy meter is accumulative in unit,
Its unit is kWh；W03 calculated feedback power value of device, unit kWh are verified for detection device internal standard；First is opposite
Error ylabUnit be %；
The second relative error yrefCalculation formula it is as follows：
In formula, W' is the actual measurement energy value of 0.01 grade of electric energy standard set-up, i.e. metering mark in 0.01 grade of electric energy standard set-up
The accumulative energy value of quasi- electric energy meter, unit kWh；W0' it is that detection device internal standard verifies 3 calculated feedback power of device
Value, unit kWh；Second relative error yrefUnit be %.
In conclusion the present invention examines and determine accuracy and the stabilization of the measurement electric energy meter electric energy error of unit by automatic inspection
Property, it can effectively solve the problem that calibrating unit instrument problem whether working properly under big load operating conditions, verified without artificial,
It is time saving and energy saving；The present apparatus can be loaded with using the detection device and commonly the support of electric energy meter in the case where not suspending assembly line
Disk enters assembly line together, is detected to calibrating unit just at work, then uses comparative transmission, determines the calibrating
Whether unit function of measuring is working properly, service personnel can be notified to handle in time if there is abnormal, it is ensured that calibrating ring
Each item data of section is accurate, reliable.
Claims (3)
1. a kind of quality control method of detection device for electric energy meter automatic Verification assembly line, this method includes following order
The step of：
(1) detection device is transferred to calibrating unit with assembly line supply unit, is connected with calibrating unit by automatic crimping system,
The actual measurement electric energy for examining and determine unit is compared with the feedback power of detection device, obtains the first relative error ylab；
(2) detection device is connected with 0.01 grade of electric energy standard set-up, by the actual measurement electric energy of 0.01 grade of electric energy standard set-up and inspection
The feedback power for surveying device compares, and obtains the second relative error yref；
(3) work as satisfaction | ylab-yref|≤UlabWhen, judge that the calibrating unit of the assembly line is qualified, wherein UlabIt examines and determine and fills for every set
Set the expanded uncertainty that Pre-Evaluation obtains；Conversely, working as | ylab-yref|>UlabWhen, calibrating installation sends abnormity early warning automatically；
The detection device includes pallet, thereon fixed holder, and standard verification device is rack-mount, the left plate of holder, the right side
At least one groove is opened up on side plate respectively, connection jaws are placed in groove, standard verify device input/output connecting terminal with
The connection jaws are connected, and connection jaws verify the input/output end port of device as standard；
The detection device further includes outer cover, and outer cover is set in standard and verifies on device and be connected by screw and holder, the branch
Frame is connected by screw and pallet；The pallet is single-phase pallet, and two grooves are opened up on left plate, right plate, each recessed
A connection jaws are placed in slot；The pallet is three-phase pallet, and a groove, each groove are opened up on left plate, right plate
One connection jaws of interior placement；One connection jaws include two rows of interfaces, wherein upper row is respectively 2 RS485 communication interfaces, 2
A versatile interface and 2 pulse output interfaces, lower row are 2 voltage interfaces and 2 current interfaces.
2. quality control method according to claim 1, it is characterised in that：Detection device is turned with assembly line supply unit
Enter after examining and determine unit, connected with calibrating unit by automatic crimping system, makes voltage interface, the current interface difference of detection device
It is inserted into the voltage wiring terminal and current wiring terminal of calibrating unit, detection device feedback voltage, electric current, parameter, power and electricity
Energy signal, and pass through pulse output interface, 485 communication interfaces input calibrating unit.
3. quality control method according to claim 1, it is characterised in that：The first relative error ylabCalculating it is public
Formula is as follows：
In formula, W is the actual measurement energy value for examining and determine unit, that is, examines and determine the energy value that measurement criteria electric energy meter is accumulative in unit, list
Position is kWh；W0The calculated feedback power value of device, unit kWh are verified for detection device internal standard；First relative error
ylabUnit be %；
The second relative error yrefCalculation formula it is as follows：
In formula, W' is the actual measurement energy value of 0.01 grade of electric energy standard set-up, i.e. measurement criteria electricity in 0.01 grade of electric energy standard set-up
The accumulative energy value of energy table, unit kWh；W′0The calculated feedback power value of device, list are verified for detection device internal standard
Position is kWh；Second relative error yrefUnit be %.
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| CN201510774536.3A CN105223538B (en) | 2015-11-13 | 2015-11-13 | The quality control method of detection device for electric energy meter automatic Verification assembly line |
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| CN105866728A (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 of automated ammeter calibrating device |
| CN106066464B (en) * | 2016-06-13 | 2018-11-06 | 国网江苏省电力公司电力科学研究院 | A kind of check standard device for electric energy meter Withstand test device |
| CN109613465B (en) * | 2018-12-27 | 2022-02-01 | 中国电力科学研究院有限公司 | Metering supervision method for automatic verification assembly line of low-voltage current transformer |
| CN109541521A (en) * | 2019-01-21 | 2019-03-29 | 广东电网有限责任公司 | A kind of electric energy measuring equipment automatic Verification assembly line O&M monitoring system |
| CN112213686A (en) * | 2020-08-27 | 2021-01-12 | 国网山东省电力公司日照供电公司 | Checking system of automatic calibrating device of electric energy meter |
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| CN101464504B (en) * | 2008-12-18 | 2011-04-13 | 绍兴电力局 | Automatic assembly line standard apparatus for electric energy meter calibration |
| CN102928806B (en) * | 2012-10-19 | 2015-10-21 | 广东电网公司珠海供电局 | Connection box of electric energy meter locating device, connection box of electric energy meter detent mechanism and localization method thereof |
| CN203117416U (en) * | 2013-03-27 | 2013-08-07 | 国家电网公司 | Detecting system for detecting single-phase electric energy meter calibrating device |
| CN203117417U (en) * | 2013-03-27 | 2013-08-07 | 国家电网公司 | Detecting system for detecting three-phase electric energy meter calibrating device |
| CN104183110B (en) * | 2014-09-05 | 2017-09-01 | 国家电网公司 | Check system for acquisition terminal automatic calibration flow-line equipment |
| CN104237842A (en) * | 2014-10-10 | 2014-12-24 | 国家电网公司 | Alternating voltage test verification device for verifying automatic single-phase kilowatt-hour meter production line |
| CN205176255U (en) * | 2015-11-13 | 2016-04-20 | 国家电网公司 | Detection apparatus for be used for automatic assembly line of examining and determine of electric energy meter |
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