CN102087351B - Watt-hour meter inspection quality real-time monitoring device and method - Google Patents

Watt-hour meter inspection quality real-time monitoring device and method Download PDF

Info

Publication number
CN102087351B
CN102087351B CN201110033604.2A CN201110033604A CN102087351B CN 102087351 B CN102087351 B CN 102087351B CN 201110033604 A CN201110033604 A CN 201110033604A CN 102087351 B CN102087351 B CN 102087351B
Authority
CN
China
Prior art keywords
electric energy
energy meter
watt
meter
hour meter
Prior art date
Application number
CN201110033604.2A
Other languages
Chinese (zh)
Other versions
CN102087351A (en
Inventor
姜雪明
王炜
朱炯
张燕
徐林松
徐燕明
Original Assignee
浙江省电力公司
国家电网公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江省电力公司, 国家电网公司 filed Critical 浙江省电力公司
Priority to CN201110033604.2A priority Critical patent/CN102087351B/en
Publication of CN102087351A publication Critical patent/CN102087351A/en
Application granted granted Critical
Publication of CN102087351B publication Critical patent/CN102087351B/en

Links

Abstract

The invention relates to a watt-hour meter inspection device and method, in particular relating to a watt-hour meter inspection quality real-time monitoring device and method. The existing standard watt-hour meter usually conducts inspection within a certain period of time, and the quality of a batch of watt-hour meters is influenced if the error of the standard watt-hour meter increases within the period of time so as not to ensure the accuracy of the watt-hour meters. The invention is characterized in that the watt-hour meter inspection quality real-time monitoring device comprises a second standard watt-hour meter provided with an input terminal connected with a voltage and current output device, and a second error calculator connected with a first standard watt-hour meter and a second standard watt-hour meter and used for testing the comparison error of the first standard watt-hour meter and the second standard watt-hour meter, wherein the second error calculator is communicated with a computer for outputting the comparison result of output pulse of the first standard watt-hour meter and the second standard watt-hour meter to the computer. The watt-hour meter inspection device can ensure the normal function of the watt-hour meter inspection device, thereby ensuring the quality of the watt-hour meter and improving the stability.

Description

Real-time quality monitoring device for electric energy meter verification device and method
Technical field
The present invention relates to a kind of calibrator for watt-hour meter and method.
Background technology
On existing calibrator for watt-hour meter, generally adopt relative method to carry out the error of electric energy meter to test at present.Because electric energy meter calibration rules are more and more higher to the requirement of electric energy meter error, therefore to the supporting accuracy of standard electric energy meter of calibrator for watt-hour meter itself and also corresponding raising of the requirement of stability.General standard electric energy meter just checked every a period of time, if become large at this time period internal standard electric energy meter error, affected the quality of electric energy meter that this batch examined, and the accuracy of electric energy meter can not be guaranteed.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is that prior art scheme is improved and improved, and provides a kind of real-time quality monitoring device for electric energy meter verification device and method, to reach the object that guarantees electric energy meter quality.For this reason, the present invention takes following technical scheme.
Real-time quality monitoring device for electric energy meter verification device, calibrator for watt-hour meter comprises voltage and current output unit, the first standard electric energy meter being connected with voltage and current output unit, the first Error Calculator that connects the first standard electric energy meter and tested electric energy meter, the computing machine being connected with the first Error Calculator communication, it is characterized in that: real-time quality monitoring device for electric energy meter verification device comprises the second standard electric energy meter that input end is connected with voltage and current output unit and with first, the second master meter connect for testing first, the second Error Calculator of the second master meter comparison error, the second Error Calculator is connected with computer communication with by first, the second standard electric energy meter output pulse comparison result is given computing machine.First knows poor counter for calculating the comparison error of the first standard electric energy meter and tested electric energy meter output pulse, and when error is greater than setting value, notice computing machine is to judge that this tested electric energy meter is as defective.The second Error Calculator is compared to the output pulse of first, second standard electric energy meter, when both comparison error amounts surpass setting value, and notice computing machine; The real-time monitoring of realization to the first standard electric energy meter, the quality of assurance electric energy meter.
As the further of technique scheme improved and supplemented, the present invention also comprises following additional technical feature.
Described real-time quality monitoring device for electric energy meter verification device is located in the housing of calibrator for watt-hour meter.The second Error Calculator and the second standard electric energy meter are connected in calibrator for watt-hour meter for a long time, as a part for calibrator for watt-hour meter.
The second Error Calculator is compared according to the output pulse of first, second standard electric energy meter, calculate both comparison errors, by judgement, compare error, whether the quality inspection of monitoring in real time calibrator for watt-hour meter is normal to guarantee calibrator for watt-hour meter function in specialized range.
When the comparison error of first, second standard electric energy meter surpasses certain value, the second Error Calculator notice computing machine, computing machine stops the check to tested electric energy meter.
The standard electric energy meter that the first standard electric energy meter and the second standard electric energy meter are same class of accuracy, and the error characteristics of first, second standard electric energy meter are basically identical.Consistance to guarantee to detect, prevents misoperation.
Beneficial effect: the second Error Calculator is compared according to the output pulse of first, second standard electric energy meter, calculate both comparison errors, by judgement, compare error, whether the quality inspection of monitoring calibrator for watt-hour meter is normal to guarantee calibrator for watt-hour meter function in specialized range in real time, guarantee the quality of electric energy meter, improve stability.
Accompanying drawing explanation
Fig. 1 is the single-phase apparatus structure schematic diagram of the present invention.
Fig. 2 is three-phase installation structural representation of the present invention.
Embodiment
Below in conjunction with Figure of description, technical scheme of the present invention is described in further detail.
As shown in Figure 1, 2, real-time quality monitoring device for electric energy meter verification device, calibrator for watt-hour meter comprises voltage and current output unit, the first standard electric energy meter being connected with voltage and current output unit, connection the first standard electric energy meter and the first Error Calculator of tested electric energy meter, the computing machine being connected with the first Error Calculator communication; Real-time quality monitoring device for electric energy meter verification device comprise the second standard electric energy meter that input end is connected with voltage and current output unit and be connected with first, second master meter for testing first, second master meter, compare the second Error Calculator of error, the second Error Calculator is connected to give computing machine by first, second standard electric energy meter output pulse comparison result with computer communication.Real-time quality monitoring device for electric energy meter verification device is located in the housing of calibrator for watt-hour meter.
Test of kilo watthour meter real-time quality monitoring method: the second Error Calculator is compared according to the output pulse of first, second standard electric energy meter, calculate both comparison errors, by judgement, compare error, whether the quality inspection of monitoring in real time calibrator for watt-hour meter is normal to guarantee calibrator for watt-hour meter function in specialized range.When the comparison error of first, second standard electric energy meter surpasses certain value, the second Error Calculator notice computing machine, computing machine stops the check to tested electric energy meter.The standard electric energy meter that the first standard electric energy meter and the second standard electric energy meter are same class of accuracy, and the error characteristics of first, second standard electric energy meter are basically identical.
In Fig. 1, the input end of the first standard electric energy meter, the second standard electric energy meter is electrically connected to the single-phase output terminal of voltage and current output unit by a connecting line, and the second Error Calculator is carried out error contrast to the single-phase voltage pulse of the output of first, second standard electric energy meter and current impulse.In Fig. 2, the input end of first, second standard electric energy meter is electrically connected to the three-phase output end of voltage and current output unit by three connecting lines respectively, and the second Error Calculator is carried out error contrast to the three-phase voltage pulse of the output of first, second standard electric energy meter and three-phase current pulse respectively.
Real-time quality monitoring device for electric energy meter verification device shown in above Fig. 1,2 and method are specific embodiments of the invention; substantive distinguishing features of the present invention and progress have been embodied; can be according to actual use needs; under enlightenment of the present invention; it is carried out to the equivalent modifications of the aspects such as shape, structure, all at the row of the protection domain of this programme.

Claims (4)

1. real-time quality monitoring device for electric energy meter verification device, calibrator for watt-hour meter comprises voltage and current output unit, the first standard electric energy meter being connected with voltage and current output unit, the first Error Calculator that connects the first standard electric energy meter and tested electric energy meter, the computing machine being connected with the first Error Calculator communication, it is characterized in that: real-time quality monitoring device for electric energy meter verification device comprises the second standard electric energy meter that input end is connected with voltage and current output unit and with first, the second standard electric energy meter connect for testing first, the second Error Calculator of the second standard electric energy meter comparison error, the second Error Calculator is connected with computer communication with by first, the second standard electric energy meter output pulse comparison result is given computing machine, described real-time quality monitoring device for electric energy meter verification device is located in the housing of calibrator for watt-hour meter.
2. adopt the test of kilo watthour meter real-time quality monitoring method of real-time quality monitoring device for electric energy meter verification device claimed in claim 1, it is characterized in that: the second Error Calculator is compared according to the output pulse of first, second standard electric energy meter, calculate both comparison errors, by judgement, compare error, whether the quality inspection of monitoring in real time calibrator for watt-hour meter is normal to guarantee calibrator for watt-hour meter function in specialized range.
3. test of kilo watthour meter real-time quality monitoring method according to claim 2, it is characterized in that: when the comparison error of first, second standard electric energy meter surpasses certain value, the second Error Calculator notice computing machine, computing machine stops the check to tested electric energy meter.
4. test of kilo watthour meter real-time quality monitoring method according to claim 3, is characterized in that: the first standard electric energy meter and the second standard electric energy meter are the standard electric energy meter with class of accuracy, and the error characteristics of first, second standard electric energy meter are basically identical.
CN201110033604.2A 2011-01-31 2011-01-31 Watt-hour meter inspection quality real-time monitoring device and method CN102087351B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110033604.2A CN102087351B (en) 2011-01-31 2011-01-31 Watt-hour meter inspection quality real-time monitoring device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110033604.2A CN102087351B (en) 2011-01-31 2011-01-31 Watt-hour meter inspection quality real-time monitoring device and method

Publications (2)

Publication Number Publication Date
CN102087351A CN102087351A (en) 2011-06-08
CN102087351B true CN102087351B (en) 2014-03-26

Family

ID=44099244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110033604.2A CN102087351B (en) 2011-01-31 2011-01-31 Watt-hour meter inspection quality real-time monitoring device and method

Country Status (1)

Country Link
CN (1) CN102087351B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104183110B (en) * 2014-09-05 2017-09-01 国家电网公司 Check system for acquisition terminal automatic calibration flow-line equipment
CN104914403B (en) * 2015-06-19 2017-08-29 国网天津市电力公司 A kind of electric power meter calibration method for direct-insert three-phase intelligent electric-energy meter automatic calibration system
CN104931917A (en) * 2015-06-19 2015-09-23 国网天津市电力公司 Repeatability test method applied to drive-in three-phase intelligent energy meter automated verification system
CN104914400B (en) * 2015-06-19 2017-07-28 国网天津市电力公司 A kind of electric power meter calibration method for access type three-phase intelligent electric-energy meter automatic calibration system
CN104931916B (en) * 2015-06-19 2017-07-28 国网天津市电力公司 A kind of replica test method for access type three-phase intelligent electric-energy meter automatic calibration system
CN104914399B (en) * 2015-06-19 2017-08-25 国网天津市电力公司 A kind of electric power meter calibration method for single-phase intelligent electric energy meter automatic calibration system
CN104914395B (en) * 2015-06-19 2017-07-28 国网天津市电力公司 A kind of detection quality verification method for single-phase intelligent electric energy meter automatic calibration system
CN109738850A (en) * 2019-03-11 2019-05-10 广东电网有限责任公司 A kind of electric energy measuring equipment calibrating installation based on the switching of multi-standard table

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588899A (en) * 1967-09-11 1971-06-28 Philips Corp Measuring device for example,frequency-modulation radio altimeter
CN101281243A (en) * 2008-05-20 2008-10-08 深圳市科陆电子科技股份有限公司 Device and method for testing equipotential closed loop electrical energy meter
CN101644754A (en) * 2009-07-07 2010-02-10 深圳市科陆电子科技股份有限公司 Calibration console for electric energy meter
CN201993459U (en) * 2011-01-31 2011-09-28 浙江省电力公司 Real-time quality monitoring device for electric energy meter verification device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588899A (en) * 1967-09-11 1971-06-28 Philips Corp Measuring device for example,frequency-modulation radio altimeter
CN101281243A (en) * 2008-05-20 2008-10-08 深圳市科陆电子科技股份有限公司 Device and method for testing equipotential closed loop electrical energy meter
CN101644754A (en) * 2009-07-07 2010-02-10 深圳市科陆电子科技股份有限公司 Calibration console for electric energy meter
CN201993459U (en) * 2011-01-31 2011-09-28 浙江省电力公司 Real-time quality monitoring device for electric energy meter verification device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
谢仁明等.电能表检验装置测量不确定度的评定方法.《计量与测试技术》.2006,第33卷(第12期), *

Also Published As

Publication number Publication date
CN102087351A (en) 2011-06-08

Similar Documents

Publication Publication Date Title
CN103257286B (en) A kind of charging electric vehicle facility automatic test approach and system
CN102967841B (en) Automatic digital multimeter verification system and method based on meter and source integration
CN205067716U (en) Online calibration system of electric energy meter
WO2012159400A1 (en) Online check meter of high-voltage electric energy metering device
CN200962142Y (en) High-voltage power meter correction device
JP5196607B2 (en) Fault diagnosis method and diagnostic object
CN102540001B (en) Method of checking alternating current loop of a 500kV transformer substation through carrying out simulated through-type three-phase short circuit
CN202758062U (en) Overall metering error detection system of digital transformer station electric energy metering device
CN201654130U (en) Automatic measuring and calibrating device of high-impedance measuring apparatus
CN101762799B (en) System for online detection of voltage transformer precision
CN102129009A (en) Method for measuring positive sequence parameters of ultra-high voltage transmission line based on double end measuring information
CN204142943U (en) Transient earth voltage sensor sensitivity check device
CN101281243B (en) Device and method for testing equipotential closed loop electrical energy meter
CN201867490U (en) Calibration device for multiepitope standard electric energy meters
CN104076321A (en) On-line monitoring and evaluating system and method for digital electric energy meter
AU2009337631A1 (en) Three-phase electric energy measurement apparatus
CN207198262U (en) A kind of charging pile test system with feedback function
CN201444193U (en) Comprehensive error detection device used for digital electric energy measuring device
CN203275631U (en) Intelligent detection system of microcomputer type relay protection tester
CN201955421U (en) Wiring detector for multifunctional electric energy metering device
CN203572889U (en) Automatic test system for electric-card charging device
CN104239692A (en) Energy meter data accuracy compensation algorithm-based line loss abnormality judging method
CN205539262U (en) Test fixture and testing arrangement of multistation
CN204536528U (en) A kind of charging pile direct-current electric energy meter calibration device
CN203313179U (en) Electrical energy collector failure detection device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: STATE GRID CORPORATION OF CHINA

Effective date: 20130104

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20130104

Address after: 310007 Huanglong Road, Hangzhou, Zhejiang, No. 8, No.

Applicant after: Zhejiang Electric Power Company

Applicant after: State Grid Corporation of China

Address before: 310007 Huanglong Road, Hangzhou, Zhejiang, No. 8, No.

Applicant before: Zhejiang Electric Power Company

GR01 Patent grant
CB03 Change of inventor or designer information
CP01 Change in the name or title of a patent holder
CB03 Change of inventor or designer information

Inventor after: Jiang Xueming

Inventor after: Huang Jinjuan

Inventor after: Wang Wei

Inventor after: Zhu Jiong

Inventor after: Zhang Yan

Inventor after: Xu Linsong

Inventor after: Xu Yanming

Inventor before: Jiang Xueming

Inventor before: Wang Wei

Inventor before: Zhu Jiong

Inventor before: Zhang Yan

Inventor before: Xu Linsong

Inventor before: Xu Yanming

CP01 Change in the name or title of a patent holder

Address after: 310007 Huanglong Road, Hangzhou, Zhejiang, No. 8, No.

Co-patentee after: State Grid Corporation of China

Patentee after: State Grid Zhejiang Electric Power Company

Address before: 310007 Huanglong Road, Hangzhou, Zhejiang, No. 8, No.

Co-patentee before: State Grid Corporation of China

Patentee before: Zhejiang Electric Power Company