CN202522693U - Device for detecting measure accuracy degree of electric energy meter - Google Patents

Device for detecting measure accuracy degree of electric energy meter Download PDF

Info

Publication number
CN202522693U
CN202522693U CN2012201356236U CN201220135623U CN202522693U CN 202522693 U CN202522693 U CN 202522693U CN 2012201356236 U CN2012201356236 U CN 2012201356236U CN 201220135623 U CN201220135623 U CN 201220135623U CN 202522693 U CN202522693 U CN 202522693U
Authority
CN
China
Prior art keywords
electric energy
energy meter
phase
power source
meter
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN2012201356236U
Other languages
Chinese (zh)
Inventor
李鹏程
张秋雁
肖监
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Electric Power Test and Research Institute
Original Assignee
Guizhou Electric Power Test and Research Institute
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 Guizhou Electric Power Test and Research Institute filed Critical Guizhou Electric Power Test and Research Institute
Priority to CN2012201356236U priority Critical patent/CN202522693U/en
Application granted granted Critical
Publication of CN202522693U publication Critical patent/CN202522693U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model discloses a device for detecting the measure accuracy degree of an electric energy meter. The device comprises a three-phase multifunctional standard meter, a program-controlled three-phase power source and an electric energy meter to be detected, wherein the electric energy meter to be detected and the three-phase multifunctional standard meter are connected with the program-controlled three-phase power source by wiring, the electric energy meter to be detected, the three-phase multifunctional standard meter and the program-controlled three-phase power source are connected with a multipath server through RS485 communication ports, and the multipath server is connected with a detection process system by Ethernet. The device solves the problems that, during a conventional detection process, the current and voltage power sources are required, the standard meter and the detected meter are manually wired, the test data is manually recorded, the number of electric energy meters detected at one time is small and the efficiency is low.

Description

A kind of pick-up unit of electric energy meter accuracy of measurement
Technical field
The utility model belongs to the instrument and meter detection range, refers 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 utility model 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.
The utility model technical scheme:
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, and it reads functional module with data and is electrically connected, and data read functional module and are electrically connected with the data processing function module, and the data processing function module is electrically connected with data storage Presentation Function module.
The utility model beneficial effect:
The utility model 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 novel advantage of bringing of this technical application:
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 utility model can detect 16 seized electric energy meters simultaneously, and its testing efficiency improves greatly.
Problems such as the utility model has solved 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 the utility model control principle block diagram;
Fig. 2 is the utility model detecting processing system functional block diagram.
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; It is characterized in that: detecting processing system comprises: control function module; It reads functional module with data and is electrically connected; Data read functional module and are electrically connected with the data processing function module, and the data processing function module is electrically connected with data storage Presentation Function module.
CN2012201356236U 2012-04-01 2012-04-01 Device for detecting measure accuracy degree of electric energy meter Expired - Fee Related CN202522693U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201356236U CN202522693U (en) 2012-04-01 2012-04-01 Device for detecting measure accuracy degree of electric energy meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201356236U CN202522693U (en) 2012-04-01 2012-04-01 Device for detecting measure accuracy degree of electric energy meter

Publications (1)

Publication Number Publication Date
CN202522693U true CN202522693U (en) 2012-11-07

Family

ID=47105636

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012201356236U Expired - Fee Related CN202522693U (en) 2012-04-01 2012-04-01 Device for detecting measure accuracy degree of electric energy meter

Country Status (1)

Country Link
CN (1) CN202522693U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102608560A (en) * 2012-04-01 2012-07-25 贵州电力试验研究院 Detection device for measuring accuracy of electric energy meter
CN103064050A (en) * 2013-01-16 2013-04-24 南京天溯自动化控制系统有限公司 Multi-instrument correcting device and correcting method
CN103235277A (en) * 2013-03-29 2013-08-07 国家电网公司 Integration adjusting device for online monitoring system of intelligent converting station capacitive device
CN104007410A (en) * 2014-06-12 2014-08-27 国家电网公司 Digital electric energy meter verifying device
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102608560A (en) * 2012-04-01 2012-07-25 贵州电力试验研究院 Detection device for measuring accuracy of electric energy meter
CN103064050A (en) * 2013-01-16 2013-04-24 南京天溯自动化控制系统有限公司 Multi-instrument correcting device and correcting method
CN103235277A (en) * 2013-03-29 2013-08-07 国家电网公司 Integration adjusting device for online monitoring system of intelligent converting station capacitive device
CN103235277B (en) * 2013-03-29 2016-01-06 国家电网公司 The integrated debugging apparatus of Intelligent transformer station capacitive apparatus on-line monitoring system
CN104007410A (en) * 2014-06-12 2014-08-27 国家电网公司 Digital electric energy meter verifying device
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
CN101281243B (en) Device and method for testing equipotential closed loop electrical energy meter
CN201867490U (en) Calibration device for multiepitope standard electric energy meters
CN202522693U (en) Device for detecting measure accuracy degree of electric energy meter
CN105307099B (en) A kind of test method of Loudspeaker Power Test System and power and low-frequency parameter
CN202583318U (en) Three-phase harmonic wave electric energy meter based on ADE7878 chip
CN103424732A (en) Detection device and detection method for direct current electric energy meter
CN105116369A (en) Radio frequency radiation disturbance rejection degree test apparatus and system
CN105116278B (en) A kind of electric energy meter is visited one house after another wire searcher
CN103901388A (en) Parallel detection terminal device and detection method
CN102854485A (en) Automated adjustment system for comprehensive multi-parameter electrical measuring instrument and adjustment method
CN204575774U (en) There is the programmable electronic load of direct current resistance measuring ability
CN103293510B (en) Device and method for quickly measuring errors of electric energy meter
CN102608560A (en) Detection device for measuring accuracy of electric energy meter
CN203012023U (en) A LCR tester
CN114200381A (en) System and method for detecting reliability of intelligent electric meter
CN207528816U (en) A kind of power measuring device
CN204272138U (en) A kind of eye pattern testing apparatus of high speed signal
CN202815193U (en) Battery test device
CN205982429U (en) Virtual instrument's laboratory impedance measuring device
CN105242219B (en) A kind of method of auto-measuring DC voltage transfer efficiency
CN202886580U (en) Automated adjustment system for comprehensive multi-parameter electrical measuring instrument
CN203572957U (en) On-site meter calibration system
CN203788304U (en) Device for testing function of hardware interface
CN103713185B (en) The set end voltage measuring apparatus of alternating-current variable frequency motor
CN203881861U (en) Multifunctional power grounding parameter tester

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121107

Termination date: 20150401

EXPY Termination of patent right or utility model