CN102608560A - Detection device for measuring accuracy of electric energy meter - Google Patents

Detection device for measuring accuracy of electric energy meter Download PDF

Info

Publication number
CN102608560A
CN102608560A CN201210094784XA CN201210094784A CN102608560A CN 102608560 A CN102608560 A CN 102608560A CN 201210094784X A CN201210094784X A CN 201210094784XA CN 201210094784 A CN201210094784 A CN 201210094784A CN 102608560 A CN102608560 A CN 102608560A
Authority
CN
China
Prior art keywords
electric energy
energy meter
phase
data
seized
Prior art date
Application number
CN201210094784XA
Other languages
Chinese (zh)
Inventor
李鹏程
张秋雁
肖监
Original Assignee
贵州电力试验研究院
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 贵州电力试验研究院 filed Critical 贵州电力试验研究院
Priority to CN201210094784XA priority Critical patent/CN102608560A/en
Publication of CN102608560A publication Critical patent/CN102608560A/en

Links

Abstract

The invention discloses a detection device for measuring the accuracy of an electric energy meter. The detection device comprises a multifunctional three-phase standard meter, a program control three-phase power source and a detected electric energy meter, wherein the detected electric energy meter and the multifunctional three-phase standard meter are connected with the program control three-phase power by leads, the detected electric energy meter, the multifunctional standard meter and the program control three-phase power source are connected with a multi-channel server by communication ports RS485, and the multi-channel server is connected with a detecting-processing system by an Ethernet. The detection device solves the problems that in the conventional detection process, the current and the voltage power source are needed, the standard meter and the detected meter need to be wired manually, the detected data needs to be recorded manually, few electric energy meter can be detected each time, the efficiency is low, and the like.

Description

A kind of pick-up unit of electric energy meter accuracy of measurement

Technical field

The invention belongs to the instrument and meter detection range, refer more particularly to a kind of pick-up unit of electric energy meter accuracy of measurement.

Background technology

The measurement of electric energy meter and monitoring function are meant that electric energy meter should be able to measure, write down, show operational factors such as the total and branch phase voltage of current electric energy meter, electric current, power, power factor, frequency; Wherein the accuracy of measurement of electric energy meter require be: voltage, electric current, power measurement error be no more than ± 1% fiducial error.At present; What the measurement of electric energy meter and monitoring precision method of testing were used is relative method; Promptly through external high precision classification standard indicating instrument; Measure tested electric energy meter voltage, electric current, power and standard indicating instrument voltage, electric current, power simultaneously at same measurement point, obtain the measuring error of electric energy meter through Calculation Method.But there is apparent in view shortcoming in existing this detection method, needs electric current, voltage power source, and standard scale and seized table need carry out artificial wiring, and test data need be carried out manual record, and it is few to accomplish electric energy meter quantity at every turn, and efficient is lower.

Summary of the invention

The technical matters that the present invention will solve: the pick-up unit that a kind of electric energy meter accuracy of measurement is provided; Need electric current, voltage power source to solve in the conventional sense process; Standard scale and seized table need carry out artificial wiring; Problems such as test data need be carried out manual record, and it is few to accomplish electric energy meter quantity at every turn, and efficient is lower.

Technical scheme of the present invention:

A kind of pick-up unit of electric energy meter accuracy of measurement; It comprises: three-phase multifunctional standard scale, program control three phase power source and seized electric energy meter; Seized electric energy meter is connected through lead with program control three phase power source with the three-phase multifunctional standard scale, and seized electric energy meter, three-phase multifunctional standard scale and program control three phase power source are connected through the RS485 connection with multipath server; Multipath server is connected through Ethernet with detecting processing system.

Detecting processing system comprises:

Control function module is controlled program control three phase power source, seized electric energy meter and three-phase multifunctional standard scale and is started, closes or be provided with the hardware effort state, reads functional module with data and is electrically connected;

Data read functional module, read the test data of seized electric energy meter and three-phase multifunctional standard scale, deliver to the data processing function module and handle, and are electrically connected with the data processing function module;

The data processing function module according to the test data of three-phase multifunctional standard scale and seized electric energy meter, calculates the accuracy of tested electric energy meter, is electrically connected with data storage Presentation Function module;

Data storage Presentation Function module is stored test data and test result, and is shown in real time through the computer software interface.

Beneficial effect of the present invention:

The present invention utilizes the power source of electric energy meter calibrating apparatus to realize the output of electric current, voltage, power; The three-phase multifunctional standard scale that utilizes the calibrating installation configuration is as standard; Get seized electric energy meter, the electric current of three-phase multifunctional standard scale, voltage, performance number with computer-readable, calculate the accuracy of measurement of seized electric energy meter through detecting processing system.Seized electric energy meter, standard electric energy meter, program control three phase power source etc. are all used existing electric energy meter calibrating apparatus; Need not increase additional hardware; Pass through detecting processing system; The test point of demand of technical standard, the computing method of rules are accomplished with detecting processing system, can be realized the test of seized electric energy meter electric current, voltage and power measurement accuracy.

The advantage that this technological invention brings:

1, need not additional apparatus; Utilize existing electric energy meter calibrating apparatus to join the automatic test of three-phase multifunctional standard scale, program control three phase power source and computer realization electric energy meter accuracy of measurement; Make full use of existing equipment; Can also utilize the inner defencive function of calibrating installation, the equipment that reaches utilizes fully.

2, realize the robotization of test:; Realize the automatic control of power source through the COMPUTER DETECTION disposal system; Computing machine reads electric current, the voltage power data of three-phase multifunctional standard scale, seized electric energy meter through communication port; Utilize detecting processing system to calculate error, judged result realizes full-automatic testing automatically.

3, need not extra wiring, carry out the test of multi-epitope simultaneously.This method of testing, the electric energy meter calibration wiring gets final product after accomplishing, and need not external p-wire.

4, testing efficiency improves: the method that adopts external standard meter; The power consumption test of accomplishing a three-phase electric energy meter needs 1 hour altogether; But use this proving installation, and only need be short 3 minutes, can realize the accuracy test of 16 electric energy meters; The present invention can detect 16 seized electric energy meters simultaneously, and its testing efficiency improves greatly.

Problems such as the invention solves needs electric current, voltage power source in the conventional sense process, standard scale and seized table need carry out artificial wiring, and test data need be carried out manual record, and it is few to accomplish electric energy meter quantity at every turn, and efficient is lower.

Description of drawings:

Fig. 1 is a control principle block diagram of the present invention;

Fig. 2 is a detecting processing system functional block diagram of the present invention.

Embodiment:

A kind of pick-up unit of electric energy meter accuracy of measurement; It comprises: three-phase multifunctional standard scale, program control three phase power source and seized electric energy meter; Seized electric energy meter is connected through lead with program control three phase power source with the three-phase multifunctional standard scale, and seized electric energy meter, three-phase multifunctional standard scale and program control three phase power source are connected with the RS485 connection through the RS485 COM1 with multipath server; Multipath server is connected through Ethernet with detecting processing system.

Seized electric energy meter and three-phase multifunctional standard scale provide voltage and current through program control three phase power source, between connect through cable; Multipath server selects the affair device to select the multipath server of model 2018-1; The last port of 2018-1 always has 32 the tunnel, and wherein the 1-24 road is an epi-position RS485 COM1, and 25-32 is the control COM1; Multipath server is connected with seized electric energy meter, three-phase multifunctional standard scale and program control three phase power source through the RS485 connection realizes data communication; The computer of multipath server and detecting processing system adopts Ethernet to be connected, and through udp protocol communication, sends 645 frames and each epi-position communicates through the UDP mode; The 2018-1 multipath server have 24 the tunnel carry out communication with seized table the RS485 communication interface, can detect 24 seized tables simultaneously.

Detecting processing system comprises:

Control function module is sent RS485 command parameter frame controlling program control three phase power source, seized electric energy meter and three-phase multifunctional standard scale and start, close or be provided with the hardware effort state, reads functional module with data and calls through data function and realize that data are connected;

Data read functional module, gather the test data of seized electric energy meter and three-phase multifunctional standard scale, deliver to the data processing function module and handle, and call through data function with the data processing function module and realize that data are connected;

The data processing function module; Test data according to three-phase multifunctional standard scale and seized electric energy meter; Automatically calculate the accuracy of tested electric energy meter; Electric current (voltage) accuracy computing formula: the electric current (voltage) that the electric current of seized electric energy meter (voltage) deducts the three-phase multifunctional standard scale again divided by the three-phase multifunctional standard scale quote digit current (voltage) value after multiply by 100%; The accuracy formula of power detection: the performance number of seized electric energy meter deducts the performance number of three-phase multifunctional standard scale and takes advantage of 100% after the performance number divided by the three-phase multifunctional standard scale again, calls through data function with data storage Presentation Function module and realizes that data are connected;

Data storage Presentation Function module is stored test data and test result, and is shown in real time through the computer software interface, and test data and test result can realize printing function through printer simultaneously.

Each functional module of detecting processing system programs back curing on computers, after accomplishing according to described hardware connection mode wiring, can realize accuracy test job and automatic output result to seized table automatically.

Claims (2)

1. the pick-up unit of an electric energy meter accuracy of measurement; It comprises: three-phase multifunctional standard scale, program control three phase power source and seized electric energy meter; It is characterized in that: seized electric energy meter is connected through lead with program control three phase power source with the three-phase multifunctional standard scale, and seized electric energy meter, three-phase multifunctional standard scale and program control three phase power source are connected through the RS485 connection with multipath server; Multipath server is connected through Ethernet with detecting processing system.
2. the pick-up unit of a kind of electric energy meter accuracy of measurement according to claim 1 is characterized in that: detecting processing system comprises:
Control function module is controlled program control three phase power source, seized electric energy meter and three-phase multifunctional standard scale and is started, closes or be provided with the hardware effort state, reads functional module with data and is electrically connected;
Data read functional module, read the test data of seized electric energy meter and three-phase multifunctional standard scale, deliver to the data processing function module and handle, and are electrically connected with the data processing function module;
The data processing function module according to the test data of three-phase multifunctional standard scale and seized electric energy meter, calculates the accuracy of tested electric energy meter, is electrically connected with data storage Presentation Function module;
Data storage Presentation Function module is stored test data and test result, and is shown in real time through the computer software interface.
CN201210094784XA 2012-04-01 2012-04-01 Detection device for measuring accuracy of electric energy meter CN102608560A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210094784XA CN102608560A (en) 2012-04-01 2012-04-01 Detection device for measuring accuracy of electric energy meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210094784XA CN102608560A (en) 2012-04-01 2012-04-01 Detection device for measuring accuracy of electric energy meter

Publications (1)

Publication Number Publication Date
CN102608560A true CN102608560A (en) 2012-07-25

Family

ID=46526073

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210094784XA CN102608560A (en) 2012-04-01 2012-04-01 Detection device for measuring accuracy of electric energy meter

Country Status (1)

Country Link
CN (1) CN102608560A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103197276A (en) * 2013-03-28 2013-07-10 国家电网公司 Reliability automatic detecting device of intelligent energy meter
CN103344937A (en) * 2013-06-14 2013-10-09 广州供电局有限公司 Device and method for detecting power consumption of intelligent watt-hour meter
CN106405480A (en) * 2016-10-27 2017-02-15 宁波三星医疗电气股份有限公司 Integrated device and method for adjusting and checking of single-phase electric energy meter
CN107643506A (en) * 2017-08-28 2018-01-30 广西电网有限责任公司电力科学研究院 A kind of verification system of universal full automatic electric energy meter calibrating installation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6416978A (en) * 1987-07-13 1989-01-20 Toshiba Corp Testing device for watthour meter
CN101592717A (en) * 2009-06-30 2009-12-02 深圳市科陆电子科技股份有限公司 The method of automatically calibrating electrical instrument and system thereof
CN102012496A (en) * 2010-08-13 2011-04-13 深圳市科陆电子科技股份有限公司 Fully automatic electric energy meter calibration system and method
CN201867490U (en) * 2010-11-30 2011-06-15 山东电力研究院 Calibration device for multiepitope standard electric energy meters
CN201993462U (en) * 2011-01-31 2011-09-28 浙江省电力公司 Three-phase intelligent electric energy meter checking device
CN202522693U (en) * 2012-04-01 2012-11-07 贵州电力试验研究院 Device for detecting measure accuracy degree of electric energy meter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6416978A (en) * 1987-07-13 1989-01-20 Toshiba Corp Testing device for watthour meter
CN101592717A (en) * 2009-06-30 2009-12-02 深圳市科陆电子科技股份有限公司 The method of automatically calibrating electrical instrument and system thereof
CN102012496A (en) * 2010-08-13 2011-04-13 深圳市科陆电子科技股份有限公司 Fully automatic electric energy meter calibration system and method
CN201867490U (en) * 2010-11-30 2011-06-15 山东电力研究院 Calibration device for multiepitope standard electric energy meters
CN201993462U (en) * 2011-01-31 2011-09-28 浙江省电力公司 Three-phase intelligent electric energy meter checking device
CN202522693U (en) * 2012-04-01 2012-11-07 贵州电力试验研究院 Device for detecting measure accuracy degree of electric energy meter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103197276A (en) * 2013-03-28 2013-07-10 国家电网公司 Reliability automatic detecting device of intelligent energy meter
CN103344937A (en) * 2013-06-14 2013-10-09 广州供电局有限公司 Device and method for detecting power consumption of intelligent watt-hour meter
CN106405480A (en) * 2016-10-27 2017-02-15 宁波三星医疗电气股份有限公司 Integrated device and method for adjusting and checking of single-phase electric energy meter
CN107643506A (en) * 2017-08-28 2018-01-30 广西电网有限责任公司电力科学研究院 A kind of verification system of universal full automatic electric energy meter calibrating installation

Similar Documents

Publication Publication Date Title
CN201352235Y (en) Three-phase multifunctional electric energy meter
CN101493508B (en) Calibration test apparatus for extra-high voltage direct current transformer
CN103076566B (en) A kind of to dragging loading slowspeed machine proving installation
CN202008526U (en) Accuracy verification system for digital signal based electric energy quality measurement device
CN102087352A (en) Three-phase intelligent watt-hour meter inspection device and method
CN102590784B (en) Single-phase intelligent energy meter distributed correction method
CN102156223B (en) Novel thyristor-grade impedance testing device for direct-current converter valve
CN101806876A (en) Electronic type transformer checking system
CN101807795A (en) Method for forming electric energy metering simulation system and device thereof
CN103424732B (en) A kind of direct-current electric energy meter calibrating device
CN103149546B (en) The field integrated tester of a kind of portable electric energy measuring terminal
CN102610996B (en) Method and device for rapidly calibrating luminous power
CN103630871A (en) Testing device for dynamic characteristics of electronic energy meter
CN100460883C (en) Detection method for testing current in resistance property of lightning arrester
CN103645457B (en) A kind of on-site inspection device for electric energy meter
CN201654130U (en) Automatic measuring and calibrating device of high-impedance measuring apparatus
CN201867490U (en) Calibration device for multiepitope standard electric energy meters
CN103808444A (en) Measuring system for measuring cogging torque of permanent magnet synchronous motor
CN205049678U (en) Short circuit testing arrangement is opened to camera module
CN102621491A (en) Motor parameter detector
CN101281243B (en) Device and method for testing equipotential closed loop electrical energy meter
CN102338865A (en) Method for quickly calibrating error of three-phase intelligent electric energy meter
CN102353918A (en) Automatic calibration system for gatherer of current and voltage analog quantities
CN103308777B (en) The measuring method of electric capacity and inductance
CN202304756U (en) Thickness measuring system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120725