CN103018697A - Full-functional multiple-meter-position checking device for voltage monitors - Google Patents
Full-functional multiple-meter-position checking device for voltage monitors Download PDFInfo
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- CN103018697A CN103018697A CN2011102901530A CN201110290153A CN103018697A CN 103018697 A CN103018697 A CN 103018697A CN 2011102901530 A CN2011102901530 A CN 2011102901530A CN 201110290153 A CN201110290153 A CN 201110290153A CN 103018697 A CN103018697 A CN 103018697A
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Abstract
The invention discloses a full-functional multiple-meter-position checking device for voltage monitors. The full-functional multiple-meter-position checking device is used for testing a plurality of voltage monitors and comprises a host machine, a plurality of error calculators connected with the host machine, a standard source, a power consumption switching and testing module, concentrators connected among the host machine and the voltage monitors, and a bus network for connecting the error calculators, the standard source, and the power consumption switching and testing module with the host machine. The full-functional multiple-meter-position checking device can be used for simultaneously and automatically checking all items of the multiple voltage monitors, thus improving the checking efficiency; and the full-functional multiple-meter-position checking device also can be used for carrying out multiple tests on multiple parameters of each voltage monitor.
Description
Technical field
The present invention relates to a kind of Multifunctional multi-epitope voltage monitor calibrator.
Background technology
In order to ensure the power supply reliability of electrical network, further promote the reliable power quality of high-quality and safety, country since 2009 rate of qualified voltage and the quality of power supply emphasis as work about electric power; Electric company in all parts of the country is also very early the important indicator of rate of qualified voltage as feedback on performance.The electric network synthetic rate of qualified voltage of 2009 annual national each province is all more than 95%, and the regional rate of qualified voltage that the voltage monitoring instrument mounting points is many all reaches more than 99%.So each area is all at the installation voltage monitoring instrument of increasing input, the calibration interval of national regulation voltage monitoring instrument are important monitoring point 1 years/time, general monitoring point 1~3 year/time, the project that detects not only will detect the voltage fundamental error, also need detection sensitivity, clock accuracy, statistical error function and load, and the detection that proposes especially clock is as an emphasis, and these projects are high by the traditional technique in measuring difficulty, and the time is long; A voltage monitoring instrument clock detection just needs 3 day time by the clock pairing comparision, detects to voltage monitoring instrument and has brought very large workload, so that detect a difficult problem that becomes work about electric power.
Existing many calibrating installations can only detect error, it is 201020013223.9 voltage monitor intelligent verification platform such as the patent No., it comprises calibrating panel, main frame and standard source, some calibrating panels by circuit respectively with some voltage monitoring instruments with is connected a main frame and is connected, main frame is connected with standard source by circuit.The present invention provides specification signal by calibrating software control standard source to detecting platform, then read the measurement result data of each calibration equipment, compare with expectation value or calculated value, obtain uncertainty of measurement, can realize the calibrating to the Voltage detector of different manufacturers, different model, and automatically generate the accuracy probation redport of each voltage monitoring instrument.
Tested table is to hang on same group of signal wire and the order wire in the prior art scheme, can't finish the clock calibrating of voltage monitoring instrument, power consumption test, power failure test function etc.
Voltage monitoring instrument quantity of installing in all parts of the country is above 100,000, the data of these voltage monitoring instruments are foundations that quality of voltage is administered in each area, it is the key technical indexes of each electric company's achievement, directly concern the direct benefit of each electric company, also concern each user's vital interests, so the accurate and reliable importance of data is unquestionable, and how accuracy and the reliability of guarantee data, it also is outline in recent years.
Summary of the invention
Technical matters to be solved by this invention is: a kind of Multifunctional multi-epitope voltage monitor calibrator is provided.
The technical solution adopted in the present invention is: a kind of Multifunctional multi-epitope voltage monitor calibrator, be used for several voltage monitoring instruments of test, it comprises: main frame, several Error Calculator, standard source, power consumption switching and the test module that link to each other with main frame, be used for the bus network that is connected the hub between main frame and the voltage monitoring instrument and Error Calculator, standard source, power consumption switching and test module are connected with main frame.
On the basis of technique scheme, further comprise attached technical scheme:
Preferably, described standard source is table source one, and its output is switched by power consumption and test module is connected to each voltage monitoring instrument, and each voltage monitoring instrument then connects with corresponding Error Calculator.
Preferably, described hub adopts RS232 or RS485 or RS422 or ethernet network.
Preferably, described bus network adopts RS232 or RS485 or RS422 or ethernet network.
Preferably, the warning of described voltage monitoring instrument or output of pulse signal are to Error Calculator, and the clock signal of voltage monitoring instrument is then exported to hub.
Preferably, described main frame is exported according to the check point control criterion source that arranges, and reads the data of voltage monitoring instrument, draws fundamental error after both.
Preferably, described voltage monitoring instrument output alarm signal is to Error Calculator, and Error Calculator judges whether voltage monitoring instrument reports to the police, and described main frame is the data of reading error counter again, calculate set error.
Preferably, described Error Calculator is accepted the pps pulse per second signal of voltage monitoring instrument, and Error Calculator is added up by certain hour, calculates a day error, extrapolates a year error again, and described main frame is the data of reading error counter again, calculate clocking error.
Advantage of the present invention: simultaneously many voltage monitoring instruments are carried out automatic all events verification, improve verification efficient, can test verification to every voltage monitoring instrument many kinds of parameters, increase clock calibrating, set error calibrating, statistical function calibrating, power consumption test, power failure test function.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is inner structural drawing of visiting testing fixture of the present invention.
Embodiment
As shown in Figure 1, the invention provides a kind of specific embodiment of Multifunctional multi-epitope voltage monitor calibrator, this Multifunctional multi-epitope voltage monitor calibrator 1 is used for several voltage monitoring instruments 2 of test, and it comprises: main frame 10, several Error Calculator 12, the standard source 14 that link to each other with main frame 10, power consumption switches and test module 16, the bus network that is used for being connected the hub 18 between main frame 10 and the voltage monitoring instrument 2 and Error Calculator 12, standard source 14, power consumption switching and test module 16 are connected with main frame 10.Wherein standard source 14 outputs are connected to each voltage monitoring instrument 2 by power consumption switching and test module 16, and each voltage monitoring instrument 2 connects then to corresponding Error Calculator 12.This Multifunctional multi-epitope voltage monitor calibrator 1 further comprises independently accessory power supply, can export 57V, 100V, 220V, 380V voltage, and is convenient and safe.
Power consumption is switched and test module 16, and its each epi-position can work alone, to test by turns and depletion load.
By the composition of said elements, corresponding function of the present invention is specific as follows:
1, calibra tion: the software control platform in the main frame 10 is by RS485 network control standard source 14, according to check point control criterion source 14 outputs that arrange, behind stable output, the software control platform is abideed by the data that agreement reads voltage monitoring instrument 2 by the RS232 communication network, draws error after both.
2, set error calibrating: the software control platform is by initial value of RS485 network control standard source 14 outputs in the main frame 10, voltage monitoring instrument 2 by online signaling interface output alarm signal to Error Calculator 12, Error Calculator 12 judges whether voltage monitoring instrument 2 reports to the police, the software control platform is the data of reading error counter 12 again, calculate adjust fundamental error and sensitivity.
3, clock calibrating: the online signaling interface of Error Calculator 12 links to each other with voltage monitoring instrument 2, accept the pps pulse per second signal (1HZ or 4HZ dutycycle 50% square wave) of voltage monitoring instrument 2, Error Calculator 12 is added up by certain hour, calculate a day error, extrapolating a year error, the software control platform is the error of reading error counter 12 again.
4, statistical error calibrating, the software control platform at first reads the time of voltage monitoring instrument 2 by the RS232 communication network, the clock write-back realizes that many voltage monitoring instruments are synchronous second again, the magnitude of voltage of the certain hour in the control criterion source output upper limit, lower limit, the acceptability limit, standard source is calculated the upper limit, lower limit, qualified statistics rate and is delivered to the software control platform, the software control platform reads the upper limit, lower limit, the qualification rate of voltage monitoring instrument statistics, and both relatively draw error.
5, power consumption test: the control of software control platform and test module 16 switch epi-position output, and the built-in test mutual inductor of standard source is measured the electric current that current epi-position consumes, and delivers to the software control platform, and the software control platform calculates the load that current epi-position consumes.
6, power failure test function: the software control platform is controlled according to the control parameter that pre-sets, the work of startup source had a power failure several minutes after several minutes, again start the source, the software control platform reads the statistics of voltage monitoring instrument 2, draws integrality and the reliability of voltage monitoring instrument 2 statistical functions after the continuous several times.
7, communication function test: mainly test the parameters in the communication protocol, real-time voltage data, statistics and time.The parameters of voltage monitoring instrument 2 generally comprises, the upper lower limit value of meter number, address, baud rate, producer's information, specified range, setting, just obtaining behind the parameters can be automatically and voltage monitoring instrument 2 communication connections, and obtain the data such as real time data, statistics, instrument time, can finish voltage fundamental error, statistical function test.
In the present embodiment, the RS232 communication network also can change the networks such as RS485, RS422, Ethernet into, and the RS485 communication network also can change the networks such as RS232, RS422, Ethernet into.
Certainly above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.The all Spirit Essence of main technical schemes is done according to the present invention equivalent transformation or modification all should be encompassed within protection scope of the present invention.
Claims (8)
1. Multifunctional multi-epitope voltage monitor calibrator, be used for test several voltage monitoring instruments (2), it is characterized in that it comprises: main frame (10), several Error Calculator (12) that link to each other with main frame (10), standard source (14), power consumption is switched and test module (16), be used for connecting the hub (18) between main frame (10) and the voltage monitoring instrument (2), and with Error Calculator (12), standard source (14), the bus network that power consumption is switched and test module (16) is connected with main frame (10).
2. a kind of Multifunctional multi-epitope voltage monitor calibrator according to claim 1, it is characterized in that: described standard source (14) is table source one, and its output is switched by power consumption and test module (16) is connected to each voltage monitoring instrument (2), and each voltage monitoring instrument (2) then connects with corresponding Error Calculator (12).
3. a kind of Multifunctional multi-epitope voltage monitor calibrator according to claim 2 is characterized in that: described hub (18) employing RS232 or RS485 or RS422 or ethernet network.
4. a kind of Multifunctional multi-epitope voltage monitor calibrator according to claim 3 is characterized in that: described bus network employing RS232 or RS485 or RS422 or ethernet network.
5. a kind of Multifunctional multi-epitope voltage monitor calibrator according to claim 3, it is characterized in that: the warning of described voltage monitoring instrument (2) or output of pulse signal are to Error Calculator (12), and the clock signal of voltage monitoring instrument (2) is then exported to hub (18).
6. a kind of Multifunctional multi-epitope voltage monitor calibrator according to claim 5, it is characterized in that: described main frame (10) is according to check point control criterion source (14) output that arranges, and read the data of voltage monitoring instrument (2), draw fundamental error after both.
7. a kind of Multifunctional multi-epitope voltage monitor calibrator according to claim 5, it is characterized in that: described voltage monitoring instrument (2) output alarm signal is to Error Calculator (12), and Error Calculator (12) judges whether voltage monitoring instrument (2) reports to the police, described main frame (10) is the data of reading error counter (12) again, calculate set error.
8. a kind of Multifunctional multi-epitope voltage monitor calibrator according to claim 5, it is characterized in that: described Error Calculator (12) is accepted the pps pulse per second signal of voltage monitoring instrument (2), Error Calculator (12) is added up by certain hour, calculate a day error, extrapolate again a year error, described main frame (10) is the data of reading error counter (12) again, calculate clocking error.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103760511A (en) * | 2014-01-26 | 2014-04-30 | 国家电网公司 | Full-automatic test system for multiple voltage monitors |
CN104198797A (en) * | 2014-08-26 | 2014-12-10 | 广东电网公司电力科学研究院 | Voltage detection method, system and device |
CN104749550A (en) * | 2015-04-21 | 2015-07-01 | 国家电网公司 | Single-phase multi-meter-position asynchronous calibrating device and calibrating method thereof |
CN112505606A (en) * | 2020-12-16 | 2021-03-16 | 广东电网有限责任公司清远供电局 | Calibration device and calibration method for setting values of multiple voltage monitors |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU636566A1 (en) * | 1973-07-19 | 1978-12-05 | Киевский Ордена Ленина Политехнический Институт Им.50-Летия Великой Октябрьской Социалистичеуокй Революции | Method of measuring voltmeter error |
CN201152893Y (en) * | 2007-12-21 | 2008-11-19 | 浙江省电力试验研究院 | Program checking apparatus for voltage monitoring instrument |
CN201199265Y (en) * | 2008-05-19 | 2009-02-25 | 台州电业局 | Full-automatic calibrating apparatus for voltage monitoring instrument |
CN201600444U (en) * | 2010-01-04 | 2010-10-06 | 山东电力研究院 | Voltage monitor intelligent verification platform |
CN102087352A (en) * | 2011-01-31 | 2011-06-08 | 浙江省电力公司 | Three-phase intelligent watt-hour meter inspection device and method |
CN202256647U (en) * | 2011-09-28 | 2012-05-30 | 南京丹迪克科技开发有限公司 | Full-function multi-meter-position voltage monitor calibration device |
-
2011
- 2011-09-28 CN CN201110290153.0A patent/CN103018697B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU636566A1 (en) * | 1973-07-19 | 1978-12-05 | Киевский Ордена Ленина Политехнический Институт Им.50-Летия Великой Октябрьской Социалистичеуокй Революции | Method of measuring voltmeter error |
CN201152893Y (en) * | 2007-12-21 | 2008-11-19 | 浙江省电力试验研究院 | Program checking apparatus for voltage monitoring instrument |
CN201199265Y (en) * | 2008-05-19 | 2009-02-25 | 台州电业局 | Full-automatic calibrating apparatus for voltage monitoring instrument |
CN201600444U (en) * | 2010-01-04 | 2010-10-06 | 山东电力研究院 | Voltage monitor intelligent verification platform |
CN102087352A (en) * | 2011-01-31 | 2011-06-08 | 浙江省电力公司 | Three-phase intelligent watt-hour meter inspection device and method |
CN202256647U (en) * | 2011-09-28 | 2012-05-30 | 南京丹迪克科技开发有限公司 | Full-function multi-meter-position voltage monitor calibration device |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103760511A (en) * | 2014-01-26 | 2014-04-30 | 国家电网公司 | Full-automatic test system for multiple voltage monitors |
CN104198797A (en) * | 2014-08-26 | 2014-12-10 | 广东电网公司电力科学研究院 | Voltage detection method, system and device |
CN104749550A (en) * | 2015-04-21 | 2015-07-01 | 国家电网公司 | Single-phase multi-meter-position asynchronous calibrating device and calibrating method thereof |
CN104749550B (en) * | 2015-04-21 | 2018-01-26 | 国家电网公司 | A kind of asynchronous calibrating installation of single-phase multi-epitope and its calibration method |
CN112505606A (en) * | 2020-12-16 | 2021-03-16 | 广东电网有限责任公司清远供电局 | Calibration device and calibration method for setting values of multiple voltage monitors |
CN112505606B (en) * | 2020-12-16 | 2022-04-12 | 广东电网有限责任公司清远供电局 | Calibration device and calibration method for setting values of multiple voltage monitors |
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