CN202522693U - Device for detecting measure accuracy degree of electric energy meter - Google Patents
Device for detecting measure accuracy degree of electric energy meter Download PDFInfo
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- 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
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- 238000012545 processing Methods 0.000 claims abstract description 21
- 238000005259 measurement Methods 0.000 claims description 15
- 238000013500 data storage Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 22
- 238000004891 communication Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 6
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- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
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Abstract
本实用新型公开了一种电能表测量准确度的检测装置，它包括：三相多功能标准表、程控三相功率源和被检电能表，被检电能表和三相多功能标准表与程控三相功率源通过导线连接，被检电能表、三相多功能标准表和程控三相功率源与多路服务器通过RS485通信端口连接；多路服务器与检测处理系统通过以太网连接；解决了常规检测过程中需要电流、电压功率源，标准表和被检表需要进行人工接线，测试数据需要进行人工记录，每次能完成电能表数量不多，效率较低等问题。
The utility model discloses a detection device for measuring accuracy of an electric energy meter, which comprises: a three-phase multifunctional standard meter, a program-controlled three-phase power source and a checked electric energy meter, the checked electric energy meter, the three-phase multifunctional standard meter and a program-controlled The three-phase power source is connected through wires, the electric energy meter to be tested, the three-phase multi-functional standard meter and the program-controlled three-phase power source are connected to the multi-channel server through the RS485 communication port; the multi-channel server is connected to the detection and processing system through Ethernet; The testing process requires current and voltage power sources, manual wiring for the standard meter and the tested meter, and manual recording of test data. The number of electric energy meters that can be completed each time is not large, and the efficiency is low.
Description
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.
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 |
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| Publication Number | Publication Date |
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| CN202522693U true CN202522693U (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201356236U Expired - Fee Related CN202522693U (en) | 2012-04-01 | 2012-04-01 | Device for detecting measure accuracy degree of electric energy meter |
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| Country | Link |
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Cited By (5)
| 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 |
-
2012
- 2012-04-01 CN CN2012201356236U patent/CN202522693U/en not_active Expired - Fee Related
Cited By (6)
| 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 |
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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 |
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| EXPY | Termination of patent right or utility model |