CN102062849A - Calibrating device and method for DC electric energy meter - Google Patents
Calibrating device and method for DC electric energy meter Download PDFInfo
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- CN102062849A CN102062849A CN2010105653307A CN201010565330A CN102062849A CN 102062849 A CN102062849 A CN 102062849A CN 2010105653307 A CN2010105653307 A CN 2010105653307A CN 201010565330 A CN201010565330 A CN 201010565330A CN 102062849 A CN102062849 A CN 102062849A
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Abstract
The invention discloses a calibrating device and method for a DC electric energy meter. The calibrating device for the DC electric energy meter comprises a human-computer interaction interface, a master control module, a voltage power amplifying module, a current power amplifying module, a voltage measuring module, a current measuring module, an electric energy computing module, a standard pulse output interface and a detected pulse input interface; the human-computer interaction interface is connected with the master control module; the master control module is connected to the electric energy computing module by a control bus through the voltage power amplifying module and the voltage measuring module in sequence; the master control module is connected to the electric energy computing module by a control bus through the current power amplifying module and the current measuring module in sequence; the electric energy computing module is respectively connected with the standard pulse output interface and the detected pulse input interface; the voltage power amplifying module is provided with an interface connected with a voltage signal of a detected electric energy meter; and the current power amplifying module is provided with an interface connected with a current signal of the detected electric energy meter. The device is portable and is simple and convenient to operate.
Description
Technical field
The present invention relates to electric energy meter calibrating apparatus and method.
Background technology
Direct current energy meter has widespread usage as the metering outfit of dc energy in producing and living.Along with science and technology development, the range of application of DC installation and dc system constantly enlarges, this also makes the application demand of direct current energy meter constantly promote, in fields such as trolleybus, tramcar, railcar, electric automobile and photovoltaic generations, direct current energy meter has become the dc energy metering outfit that generally uses, and direct current energy meter has also become the standard facility of electrical energy metering.When the demand to direct current energy meter enlarges day by day, the demand of the accurate metering of direct current energy meter is also being improved day by day, the check of direct current energy meter has been become the key that the metering outfit that ensures dc energy is accurately measured.Direct current energy meter lacks calibrating instrument problem easy and simple to handle, that be easy to carry about with one at present.
Summary of the invention
One of technical matters to be solved by this invention provides a kind of direct current energy meter calibrating installation, is easy to carry, and is easy and simple to handle.
Two of technical matters to be solved by this invention provides a kind of direct current energy meter calibration method, and is easy and simple to handle, quick, accurate.
For one of solving the problems of the technologies described above, technical scheme of the present invention is: a kind of direct current energy meter calibrating installation comprises human-computer interaction interface, main control module, voltage power amplifier module, electric current power amplifier module, voltage measurement module, current measurement module, electric energy computing module, full sized pules output interface and tested pulse input interface; Described human-computer interaction interface is connected with described main control module, and described main control module is connected to described electric energy metrical module by described voltage power amplifier module, voltage measurement module successively by control bus; Described main control module is connected to described electric energy metrical module by described electric current power amplifier module, current measurement module successively by control bus; Described electric energy computing module is connected with tested pulse input interface with described full sized pules output interface respectively; Described voltage power amplifier module is provided with the interface that links to each other with the voltage signal of tested electric energy meter, and described electric current power amplifier module is provided with the interface that links to each other with the current signal of tested electric energy meter.
As improvement, described electric energy computing module is integrated in the main control module.
As improvement, described electric energy computing module is independent functional module, and the communication interface of outfit and main control module.
For solve the problems of the technologies described above two, technical scheme of the present invention is: a kind of direct current energy meter calibration method comprises human-computer interaction interface, main control module, voltage power amplifier module, electric current power amplifier module, voltage measurement module, current measurement module, electric energy computing module, full sized pules output interface and tested pulse input interface; Its calibration method may further comprise the steps:
(1) user assigns instruction by human-computer interaction interface to main control module, main control module is controlled each functional module by control bus, carry out communication by communication interface and each functional module simultaneously, obtaining the required various information of user, and on human-computer interaction interface, show;
(2) the voltage power amplifier module links to each other with the voltage signal interface of tested electric energy meter, provides tested table required input voltage, and voltage measurement module is measured the input voltage of tested table simultaneously, and voltage standard is provided;
(3) the electric current power amplifier module links to each other with the current signal interface of tested electric energy meter, provides tested table required input current, and current measurement module is measured the input current of tested table simultaneously, and current standard is provided;
(4) the electric energy computing module is according to the measurement result of voltage measurement module and current measurement module, calculate direct current energy and amount to into full sized pules, from full sized pules output interface output, be used to tested electric energy meter that full sized pules is provided or output interface when calibrating installation itself examined and determine; Simultaneously, be equipped with tested pulse input interface, be used to connect the pulse delivery outlet of tested table, the electric energy computing module is converted the electric energy input of tested table according to the pulse input of tested table, the electric energy that calculates with calibrating installation compares, and calculates the electric energy error of tested electric energy meter.
As improvement, described electric energy computing module is integrated in the main control module.
As improvement, described electric energy computing module is independent functional module, and the communication interface of outfit and main control module.
The beneficial effect that the present invention is compared with prior art brought is:
Both can provide the electric energy input to direct current energy meter, the while also examines and determine the metering result of direct current energy meter, has solved present direct current energy meter and has lacked calibrating instrument problem easy and simple to handle, that be easy to carry about with one.
Description of drawings
Fig. 1 is structural framing figure of the present invention.
Embodiment
The invention will be further described below in conjunction with Figure of description.
As shown in Figure 1, a kind of direct current energy meter calibrating installation comprises human-computer interaction interface 6, main control module 1, voltage power amplifier module 2, electric current power amplifier module 4, voltage measurement module 3, current measurement module 5, electric energy computing module 7, full sized pules output interface 8 and tested pulse input interface 9.Described human-computer interaction interface 6 is connected with described main control module 1, and described main control module 1 is connected to described electric energy metrical module by described voltage power amplifier module 2, voltage measurement module 3 successively by control bus; Described main control module 1 is connected to described electric energy metrical module by described electric current power amplifier module 4, current measurement module 5 successively by control bus; Described electric energy computing module 7 is connected with tested pulse input interface 9 with described full sized pules output interface 8 respectively; Described voltage power amplifier module 2 is provided with the interface that links to each other with the voltage signal of tested electric energy meter, and described electric current power amplifier module 4 is provided with the interface that links to each other with the current signal of tested electric energy meter; Electric energy computing module 7 can be integrated in the main control module 1, and also can be used as independent functional module and use, and the communication interface of outfit and main control module 1.
The user assigns instruction by 6 pairs of main control modules 1 of human-computer interaction interface, main control module 1 is controlled each functional module by control bus, carry out communication by communication interface and each functional module simultaneously, obtaining the required various information of user, and on human-computer interaction interface 6, show.
Voltage power amplifier module 2 links to each other with the voltage signal interface of tested electric energy meter, provides tested table required input voltage, and the input voltage of 3 pairs of tested tables of voltage measurement module is measured simultaneously, and voltage standard is provided.
Electric current power amplifier module 4 links to each other with the current signal interface of tested electric energy meter, provides tested table required input current, and the input current of 5 pairs of tested tables of current measurement module is measured simultaneously, and current standard is provided.
Electric energy computing module 7 is according to the measurement result of voltage measurement module 3 and current measurement module 5, calculate direct current energy and amount to into full sized pules, from full sized pules output interface 8 output, be used to tested electric energy meter that full sized pules is provided or output interface when calibrating installation itself examined and determine.Simultaneously, be equipped with tested pulse input interface 9, be used to connect the pulse delivery outlet of tested table, electric energy computing module 7 is converted the electric energy input of tested table according to the pulse input of tested table, the electric energy that calculates with calibrating installation compares, and calculates the electric energy error of tested electric energy meter.
Claims (6)
1. a direct current energy meter calibrating installation is characterized in that: comprise human-computer interaction interface, main control module, voltage power amplifier module, electric current power amplifier module, voltage measurement module, current measurement module, electric energy computing module, full sized pules output interface and tested pulse input interface; Described human-computer interaction interface is connected with described main control module, and described main control module is connected to described electric energy metrical module by described voltage power amplifier module, voltage measurement module successively by control bus; Described main control module is connected to described electric energy metrical module by described electric current power amplifier module, current measurement module successively by control bus; Described electric energy computing module is connected with tested pulse input interface with described full sized pules output interface respectively; Described voltage power amplifier module is provided with the interface that links to each other with the voltage signal of tested electric energy meter, and described electric current power amplifier module is provided with the interface that links to each other with the current signal of tested electric energy meter.
2. a kind of direct current energy meter calibrating installation according to claim 1 is characterized in that: described electric energy computing module is integrated in the main control module.
3. a kind of direct current energy meter calibrating installation according to claim 1 is characterized in that: described electric energy computing module is independent functional module, and the communication interface of outfit and main control module.
4. a direct current energy meter calibration method is characterized in that: comprise human-computer interaction interface, main control module, voltage power amplifier module, electric current power amplifier module, voltage measurement module, current measurement module, electric energy computing module, full sized pules output interface and tested pulse input interface; Its calibration method may further comprise the steps:
(1) user assigns instruction by human-computer interaction interface to main control module, main control module is controlled each functional module by control bus, carry out communication by communication interface and each functional module simultaneously, obtaining the required various information of user, and on human-computer interaction interface, show;
(2) the voltage power amplifier module links to each other with the voltage signal interface of tested electric energy meter, provides tested table required input voltage, and voltage measurement module is measured the input voltage of tested table simultaneously, and voltage standard is provided;
(3) the electric current power amplifier module links to each other with the current signal interface of tested electric energy meter, provides tested table required input current, and current measurement module is measured the input current of tested table simultaneously, and current standard is provided;
(4) the electric energy computing module is according to the measurement result of voltage measurement module and current measurement module, calculate direct current energy and amount to into full sized pules, from full sized pules output interface output, be used to tested electric energy meter that full sized pules is provided or output interface when calibrating installation itself examined and determine; Simultaneously, be equipped with tested pulse input interface, be used to connect the pulse delivery outlet of tested table, the electric energy computing module is converted the electric energy input of tested table according to the pulse input of tested table, the electric energy that calculates with calibrating installation compares, and calculates the electric energy error of tested electric energy meter.
5. a kind of direct current energy meter calibration method according to claim 4 is characterized in that: described electric energy computing module is integrated in the main control module.
6. a kind of direct current energy meter calibration method according to claim 4 is characterized in that: described electric energy computing module is independent functional module, and the communication interface of outfit and main control module.
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| CN2010105653307A CN102062849A (en) | 2010-11-25 | 2010-11-25 | Calibrating device and method for DC electric energy meter |
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| CN2010105653307A CN102062849A (en) | 2010-11-25 | 2010-11-25 | Calibrating device and method for DC electric energy meter |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914760A (en) * | 2012-09-27 | 2013-02-06 | 中国电力科学研究院 | Direct-current power meter calibrating device |
| CN103926553A (en) * | 2014-04-24 | 2014-07-16 | 国家电网公司 | Self-service single-phase electric energy meter error calibration device and method |
| CN105044641A (en) * | 2015-06-30 | 2015-11-11 | 黑龙江省计量检定测试院 | Electric vehicle charging metering instrument field calibration device |
| CN105259532A (en) * | 2015-11-26 | 2016-01-20 | 云南电网有限责任公司电力科学研究院 | Electric vehicle charging pile DC electric energy meter calibration system |
| CN105334487A (en) * | 2015-11-20 | 2016-02-17 | 湖南省湘电试验研究院有限公司 | Direct-current watt-hour meter calibrating device |
| CN109298366A (en) * | 2018-11-16 | 2019-02-01 | 苏州市计量测试院 | A kind of solar battery IV curve survey meter calibrating installation |
| CN109581272A (en) * | 2018-12-14 | 2019-04-05 | 国网河北省电力有限公司电力科学研究院 | A kind of direct current energy meter detection system |
| CN109959888A (en) * | 2017-12-22 | 2019-07-02 | 苏州市计量测试院 | A kind of zinc oxide arrester tester self-checking device and method |
| CN111308188A (en) * | 2020-03-31 | 2020-06-19 | 湖南省计量检测研究院 | High-precision direct-current electric energy meter metering device and method |
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| CN201425621Y (en) * | 2009-04-15 | 2010-03-17 | 武汉国测科技股份有限公司 | Error checking system of high-voltage electric energy metering device |
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| JPS6375683A (en) * | 1986-09-19 | 1988-04-06 | Toshiba Corp | Apparatus for measuring error of electronic watthour meter |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914760A (en) * | 2012-09-27 | 2013-02-06 | 中国电力科学研究院 | Direct-current power meter calibrating device |
| CN102914760B (en) * | 2012-09-27 | 2015-11-04 | 中国电力科学研究院 | A kind of direct current energy meter calibrating installation |
| CN103926553A (en) * | 2014-04-24 | 2014-07-16 | 国家电网公司 | Self-service single-phase electric energy meter error calibration device and method |
| CN103926553B (en) * | 2014-04-24 | 2016-08-17 | 国家电网公司 | Self-service single-phase electric energy meter calibrates for error devices and methods therefor |
| CN105044641A (en) * | 2015-06-30 | 2015-11-11 | 黑龙江省计量检定测试院 | Electric vehicle charging metering instrument field calibration device |
| CN105334487A (en) * | 2015-11-20 | 2016-02-17 | 湖南省湘电试验研究院有限公司 | Direct-current watt-hour meter calibrating device |
| CN105259532A (en) * | 2015-11-26 | 2016-01-20 | 云南电网有限责任公司电力科学研究院 | Electric vehicle charging pile DC electric energy meter calibration system |
| CN109959888A (en) * | 2017-12-22 | 2019-07-02 | 苏州市计量测试院 | A kind of zinc oxide arrester tester self-checking device and method |
| CN109298366A (en) * | 2018-11-16 | 2019-02-01 | 苏州市计量测试院 | A kind of solar battery IV curve survey meter calibrating installation |
| CN109581272A (en) * | 2018-12-14 | 2019-04-05 | 国网河北省电力有限公司电力科学研究院 | A kind of direct current energy meter detection system |
| CN111308188A (en) * | 2020-03-31 | 2020-06-19 | 湖南省计量检测研究院 | High-precision direct-current electric energy meter metering device and method |
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Application publication date: 20110518 |