CN203178460U - Traceability device used for electronic mutual inductor output calibration instrument - Google Patents
Traceability device used for electronic mutual inductor output calibration instrument Download PDFInfo
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- CN203178460U CN203178460U CN 201320149346 CN201320149346U CN203178460U CN 203178460 U CN203178460 U CN 203178460U CN 201320149346 CN201320149346 CN 201320149346 CN 201320149346 U CN201320149346 U CN 201320149346U CN 203178460 U CN203178460 U CN 203178460U
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Abstract
The utility model relates to a traceability device used for an electronic mutual inductor output calibration instrument. The device comprises whole inspection equipment of the electronic mutual inductor calibration instrument which is connected with the electronic mutual inductor calibration instrument. The whole inspection equipment of the electronic mutual inductor calibration instrument comprises a standard simulation signal interface, a simulation signal interface and a digital signal interface. The electronic mutual inductor output calibration instrument comprises a detected channel digit input data acquisition unit, a detected channel simulation input data acquisition unit, a data processing unit, a standard converter and a standard channel data acquisition unit. The standard simulation signal interface is connected with the standard channel data acquisition unit through the standard converter. The simulation signal interface is connected with the detected channel simulation input data acquisition unit. The digital signal interface is connected with the detected channel digit input data acquisition unit. Compared to the prior art, by using the device of the utility model, there are the advantages that precision is high; expansibility is good and so on.
Description
Technical field
The utility model relates to a kind of calibrating installation of electric mutual inductor output verification instrument, especially relates to a kind of device of tracing to the source for electric mutual inductor output verification instrument.
Background technology
In May, 2009, State Grid Corporation of China was in conjunction with China's fundamental realities of the country and extra-high voltage practice, proposed to build the developing goal of strong intelligent grid, namely accelerating to build with extra-high voltage grid is key rack, electric network coordinations at different levels develop, and have the strong intelligent grid of the unification of informationization, digitizing, robotization, interactive feature.To the year two thousand twenty, unified strong intelligent grid will be built up comprehensively.Wherein intelligent substation is that the first step of construction intelligent grid also is a crucial step, be the once change that has milestone significance in the automation of transformation substations technical development, and electronic mutual inductor is one of crucial primary equipment of bearing intelligent grid informationization, digitizing, robotization, interactive task.It has fundamentally solved mutual inductor secondary current, voltage signal and has been transferred to the additive error problem that produces in the secondary device process; improve the accuracy of protection system, measuring system and metering system greatly, become digitizing in the intelligent substation, intelligentized bright spot.
Electronic mutual inductor all needs to carry out verification before using, so the precision of the tester of electronic mutual inductor is very crucial, and the size of its precision directly influences the measuring accuracy of electronic mutual inductor, therefore is badly in need of a kind of equipment of research and development and comes electronic mutual inductor is put in order inspection.
The utility model content
The purpose of this utility model is exactly the device of tracing to the source that is used for electric mutual inductor output verification instrument that a kind of precision height, favorable expandability are provided for the defective that overcomes above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of device of tracing to the source for electric mutual inductor output verification instrument, it is characterized in that, comprise the whole inspection equipment of the electronic transducer calibration instrument that is connected with electronic transducer calibration instrument, the whole inspection equipment of this electronic transducer calibration instrument comprises the standard analog signal interface, analog signal interface and digital signal interface, described electric mutual inductor output verification instrument comprises tested passage numeral input data acquisition unit, tested tunnels analogy input data acquisition unit, data processing unit, standard converter and standard channel data acquisition unit, described standard analog signal interface is connected with the standard channel data acquisition unit by standard converter, described analog signal interface is connected with tested tunnels analogy input data acquisition unit, described digital signal interface is connected with tested passage numeral input data acquisition unit, and described data processing unit is imported data acquisition unit with tested passage numeral respectively, tested tunnels analogy input data acquisition unit, the standard channel data acquisition unit connects.
The whole inspection equipment of described electronic transducer calibration instrument also is provided with first synchronous clock and receives sending module, described electric mutual inductor output verification instrument also is provided with second synchronous clock and receives sending module, and described first synchronous clock receives sending module and is connected with second synchronous clock reception sending module.
The standard error of the whole inspection equipment setting of error amount that described electronic transducer calibration instrument is surveyed and electronic transducer calibration instrument is compared and is drawn error by the school electronic transducer calibration instrument.
Compared with prior art, the utlity model has following advantage:
1, the utility model has used new digital quantity source tracing method, successfully uses the high accuracy number measuring technique to obtain the standard digital amount, thus realized standard digital amount and standard analog amount time output;
2, initiated the elementary errors source stack way of output, successful solution the direct technical barrier that brings of measurement of electronic type sensor tester;
3, developed the high precision standard converter, it matches with the elementary errors source, has realized the whole verification of electronic transducer calibration instrument;
4, whole device adopts modular design, makes things convenient for the function expansion, can support communications protocol such as IEC61850-9-1, IEC61850-9-2LE, also can support the multiple methods of synchronization such as GPS, B sign indicating number.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As shown in Figure 1, a kind of device of tracing to the source for electric mutual inductor output verification instrument, comprise the whole inspection equipment 2 of the electronic transducer calibration instrument that is connected with electronic transducer calibration instrument 1, the whole inspection equipment 2 of this electronic transducer calibration instrument comprises standard analog signal interface 23, analog signal interface 22 and digital signal interface 21, described electric mutual inductor output verification instrument 1 comprises tested passage numeral input data acquisition unit 11, tested tunnels analogy input data acquisition unit 12, data processing unit 15, standard converter 13 and standard channel data acquisition unit 14, described standard analog signal interface 23 is connected with standard channel data acquisition unit 14 by standard converter 13, described analog signal interface 22 is connected with tested tunnels analogy input data acquisition unit 12, described digital signal interface 21 is connected with tested passage numeral input data acquisition unit 11, and described data processing unit 15 is imported data acquisition unit 11 with tested passage numeral respectively, tested tunnels analogy input data acquisition unit 12, standard channel data acquisition unit 14 connects.
The whole inspection equipment 2 of described electronic transducer calibration instrument also is provided with first synchronous clock and receives sending module 24, described electric mutual inductor output verification 1 also is provided with second synchronous clock and receives sending module 16, and described first synchronous clock receives sending module 24 and is connected with second synchronous clock reception sending module 16.
The standard error that the whole inspection equipment 2 of described electronic transducer calibration instrument 1 error amount of surveying and electronic transducer calibration instrument arranges is compared and is drawn error by the school electronic transducer calibration instrument.
The whole checking device accuracy of electronic transducer calibration instrument is 0.01 grade (analog quantity).
The whole checking device accuracy of electronic transducer calibration instrument is 0.02 grade (digital quantity).
Claims (2)
1. device of tracing to the source that is used for electric mutual inductor output verification instrument, it is characterized in that, comprise the whole inspection equipment of the electronic transducer calibration instrument that is connected with electronic transducer calibration instrument, the whole inspection equipment of this electronic transducer calibration instrument comprises the standard analog signal interface, analog signal interface and digital signal interface, described electric mutual inductor output verification instrument comprises tested passage numeral input data acquisition unit, tested tunnels analogy input data acquisition unit, data processing unit, standard converter and standard channel data acquisition unit, described standard analog signal interface is connected with the standard channel data acquisition unit by standard converter, described analog signal interface is connected with tested tunnels analogy input data acquisition unit, described digital signal interface is connected with tested passage numeral input data acquisition unit, and described data processing unit is imported data acquisition unit with tested passage numeral respectively, tested tunnels analogy input data acquisition unit, the standard channel data acquisition unit connects.
2. a kind of device of tracing to the source for electric mutual inductor output verification instrument according to claim 1, it is characterized in that, the whole inspection equipment of described electronic transducer calibration instrument also is provided with first synchronous clock and receives sending module, described electric mutual inductor output verification instrument also is provided with second synchronous clock and receives sending module, and described first synchronous clock receives sending module and is connected with second synchronous clock reception sending module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149346 CN203178460U (en) | 2013-03-28 | 2013-03-28 | Traceability device used for electronic mutual inductor output calibration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149346 CN203178460U (en) | 2013-03-28 | 2013-03-28 | Traceability device used for electronic mutual inductor output calibration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203178460U true CN203178460U (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320149346 Expired - Lifetime CN203178460U (en) | 2013-03-28 | 2013-03-28 | Traceability device used for electronic mutual inductor output calibration instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN203178460U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197273A (en) * | 2013-03-28 | 2013-07-10 | 国家电网公司 | Source tracing device used for electronic mutual inductor output calibration instrument |
| CN103983930A (en) * | 2014-05-05 | 2014-08-13 | 国家电网公司 | Electronic transformer harmonic calibrator calibration device and method |
| CN113759799A (en) * | 2021-09-18 | 2021-12-07 | 中车唐山机车车辆有限公司 | Calibration circuit and calibration equipment |
-
2013
- 2013-03-28 CN CN 201320149346 patent/CN203178460U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197273A (en) * | 2013-03-28 | 2013-07-10 | 国家电网公司 | Source tracing device used for electronic mutual inductor output calibration instrument |
| CN103983930A (en) * | 2014-05-05 | 2014-08-13 | 国家电网公司 | Electronic transformer harmonic calibrator calibration device and method |
| CN113759799A (en) * | 2021-09-18 | 2021-12-07 | 中车唐山机车车辆有限公司 | Calibration circuit and calibration equipment |
| CN113759799B (en) * | 2021-09-18 | 2023-04-28 | 中车唐山机车车辆有限公司 | Verification circuit and verification device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |
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| CX01 | Expiry of patent term |