CN103135013A - Detecting and evaluating system of data acquisition unit - Google Patents

Detecting and evaluating system of data acquisition unit Download PDF

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Publication number
CN103135013A
CN103135013A CN2012105919193A CN201210591919A CN103135013A CN 103135013 A CN103135013 A CN 103135013A CN 2012105919193 A CN2012105919193 A CN 2012105919193A CN 201210591919 A CN201210591919 A CN 201210591919A CN 103135013 A CN103135013 A CN 103135013A
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China
Prior art keywords
data acquisition
acquisition unit
mutual inductor
unit
signal
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CN2012105919193A
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Chinese (zh)
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CN103135013B (en
Inventor
王芝茗
葛维春
张延鹏
王化鹏
杨威
许智
Original Assignee
辽宁省电力有限公司
中国电力科学研究院
国家电网公司
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Application filed by 辽宁省电力有限公司, 中国电力科学研究院, 国家电网公司 filed Critical 辽宁省电力有限公司
Priority to CN201210591919.3A priority Critical patent/CN103135013B/en
Publication of CN103135013A publication Critical patent/CN103135013A/en
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Publication of CN103135013B publication Critical patent/CN103135013B/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for

Abstract

The invention provides a detecting and evaluating system of a data acquisition unit. The detecting and evaluating system of the data acquisition unit comprises a physical condition detector of the data acquisition unit, the data acquisition unit, an optical branching device, a simulation merging unit and an electronic transformer state analysis and evaluation platform, wherein the physical condition detector of the data acquisition unit is in communication with the data acquisition unit and the optical branching device, and the data acquisition unit, the optical branching device, the simulation merging unit and the electronic transformer state analysis and evaluation platform are connected in sequence. The detecting and evaluating system of the data acquisition unit is capable of detecting and evaluating the electronic transformer data acquisition unit from all aspects and all angles under the conditions of electromagnetic interference, high-low temperature, temperature change, vibration, and the like.

Description

Data acquisition unit detects and evaluating system

Technical field

The invention belongs to field of power, be specifically related to a kind of data acquisition unit and detect and evaluating system.

Background technology

Data acquisition unit (Bar code Hand Terminal), pan of a steelyard point machine, palm PC again.It is that bar code scanner and data terminal is integrated, but with the terminal computer equipment of battery off-line operation.Possess Real-time Collection, autostore, instant playback, immediate feedback, automatic processing, automatic transmission function.For authenticity, validity, real-time, the availability of field data provides assurance.It has, and integraty, maneuverability, volume are little, lightweight, high-performance, and are suitable for the characteristics such as hand-held.

Data acquisition unit in electric mutual inductor is current conversion to be become the first link of digital message.The quality of data acquisition unit directly affects the output of electric mutual inductor digital quantity message, and then affects testing result.So be directed to the detection of data acquisition unit in electric mutual inductor at the emphasis of electric mutual inductor detection field.

Data acquisition unit performance quality has directly been reacted the analog to digital conversion ability of electronic mutual inductor, and then affects stable state accuracy, transient state precision, the degree of stability of the digital output of electric mutual inductor.The factor that determines electric mutual inductor performance and degree of stability mainly contains the following aspects, sees Table 1:

Table 1 data acquisition unit influence factor

Sequence number Influence factor ??1 The humiture impact ??2 The electromagnetic environment impact ??3 The degree of aging impact ??4 The impact of digital output degree of stability ??5 Affect with the merge cells interoperability ??6 Digital quantity light output impact

Summary of the invention

For overcoming defects, the invention provides a kind of data acquisition unit and detect and evaluating system, at comprehensive, multi-angular analysis and be evaluated under the environment such as electromagnetic interference (EMI), high low temperature, rate temperature change, vibration the electronic mutual inductor data acquisition unit is detected and assesses.

For achieving the above object, the invention provides a kind of data acquisition unit detects and evaluating system, its improvements are, described system comprises: data acquisition unit physical state detection instrument, data acquisition unit, optical branching device, emulation merge cells and electronic mutual inductor condition analysis and assessment platform; Data acquisition unit physical state detection instrument is communicated by letter with optical branching device with described data acquisition unit respectively; Described data acquisition unit, described optical branching device, described emulation merge cells and the electronic mutual inductor condition analysis and assessment platform of being connected connect successively.

In optimal technical scheme provided by the invention, described data acquisition unit physical state detection instrument is used for the physical environment parameter of electric mutual inductor inside is monitored.

In the second optimal technical scheme provided by the invention, the physical environment parameter comprises: temperature and humidity.

In the 3rd optimal technical scheme provided by the invention, described electronic mutual inductor condition analysis and assessment platform comprises: receive the benchmark driving source of described emulation merge cells data, tested synchronous electric mutual inductor and checkout equipment; To described tested synchronous electric mutual inductor and checkout equipment transmitted signal, described tested synchronous electric mutual inductor and described checkout equipment carry out data interaction to described benchmark driving source respectively.

In the 4th optimal technical scheme provided by the invention, described checkout equipment comprises: record waveform unit, sample-synchronous signal element, receive waveform unit and computational analysis unit; The described simulating signal that records the described benchmark driving source of waveform unit reception; Described sample-synchronous signal element is respectively to described waveform unit and the described tested synchronous electric mutual inductor transmission synchronizing signal of recording; Described reception waveform unit receives the waveform signal that described tested synchronous electric mutual inductor sends; Described computational analysis unit will receive, and the described signal that records waveform unit and described reception waveform unit carries out computational analysis.

In the 5th optimal technical scheme provided by the invention, described computational analysis unit obtains following parameter by computational analysis: amplitude precision, signal lag, transmission unevenness and delay jitter.

Compared with the prior art, a kind of data acquisition unit provided by the invention detects and evaluating system, ensure the reliability of intelligent substation data acquisition from the source of data acquisition, ensure power grid operation, reduce the loss that grid power blackout causes when reducing maintenance cost.

Description of drawings

Fig. 1 is the structural representation of data acquisition unit detection and evaluating system.

Fig. 2 is the structural representation of electronic mutual inductor condition analysis and assessment platform.

Embodiment

As shown in Figure 1, a kind of data acquisition unit detects and evaluating system, comprising: data acquisition unit physical state detection instrument, data acquisition unit, optical branching device, emulation merge cells and electronic mutual inductor condition analysis and assessment platform; Data acquisition unit physical state detection instrument is communicated by letter with optical branching device with described data acquisition unit respectively; Described data acquisition unit, described optical branching device, described emulation merge cells and the electronic mutual inductor condition analysis and assessment platform of being connected connect successively.

Described data acquisition unit physical state detection instrument is used for the physical environment parameter of electric mutual inductor inside is monitored.The physical environment parameter comprises: temperature and humidity.

As shown in Figure 2, described electronic mutual inductor condition analysis and assessment platform comprises: receive the benchmark driving source of described emulation merge cells data, tested synchronous electric mutual inductor and checkout equipment; To described tested synchronous electric mutual inductor and checkout equipment transmitted signal, described tested synchronous electric mutual inductor and described checkout equipment carry out data interaction to described benchmark driving source respectively.

Described checkout equipment comprises: record waveform unit, sample-synchronous signal element, receive waveform unit and computational analysis unit; The described simulating signal that records the described benchmark driving source of waveform unit reception; Described sample-synchronous signal element is respectively to described waveform unit and the described tested synchronous electric mutual inductor transmission synchronizing signal of recording; Described reception waveform unit receives the waveform signal that described tested synchronous electric mutual inductor sends; Described computational analysis unit will receive, and the described signal that records waveform unit and described reception waveform unit carries out computational analysis.

Described computational analysis unit obtains following parameter by computational analysis: amplitude precision, signal lag, transmission unevenness and delay jitter.

By following examples, the data collector is detected with evaluating system and do further explanation.

By research and development data acquisition unit physical states monitoring instrument, electronic mutual inductor emulation merge cells, electronic mutual inductor condition analysis and assessment software platform, and the existing detection of Chinese DianKeYuan and test environment.As shown in Figure 1.

Comprehensive, multi-angular analysis and be evaluated under the environment such as electromagnetic interference (EMI), high low temperature, rate temperature change, vibration electronic mutual inductor data acquisition unit the following aspects is detected and assesses:

1) error that produces in analog-digital conversion process;

2) digital quantity transmission interface performance;

3) transient state, steady-state characteristic;

4) effective value measuring accuracy;

5) data frame structure integrality;

6) data transmission integrality.

As shown in Figure 2, be that tested synchronous electric mutual inductor and benchmark driving source send synchronizing signal by the sample-synchronous signal, the waveform by tested synchronous electric mutual inductor and benchmark driving source compares, and calculates: amplitude precision; Signal lag; The transmission unevenness; Delay jitter.

What need statement is that content of the present invention and embodiment are intended to prove the practical application of technical scheme provided by the present invention, should not be construed as the restriction to protection domain of the present invention.Those skilled in the art can do various modifications, be equal to and replace or improve inspired by the spirit and principles of the present invention.But these changes or modification are all in the protection domain that application is awaited the reply.

Claims (6)

1. a data acquisition unit detects and evaluating system, it is characterized in that, described system comprises: data acquisition unit physical state detection instrument, data acquisition unit, optical branching device, emulation merge cells and electronic mutual inductor condition analysis and assessment platform; Data acquisition unit physical state detection instrument is communicated by letter with optical branching device with described data acquisition unit respectively; Described data acquisition unit, described optical branching device, described emulation merge cells and the electronic mutual inductor condition analysis and assessment platform of being connected connect successively.
2. system according to claim 1, is characterized in that, described data acquisition unit physical state detection instrument is used for the physical environment parameter of electric mutual inductor inside is monitored.
3. system according to claim 2, is characterized in that, the physical environment parameter comprises: temperature and humidity.
4. system according to claim 1, is characterized in that, described electronic mutual inductor condition analysis and assessment platform comprises: receive the benchmark driving source of described emulation merge cells data, tested synchronous electric mutual inductor and checkout equipment; To described tested synchronous electric mutual inductor and checkout equipment transmitted signal, described tested synchronous electric mutual inductor and described checkout equipment carry out data interaction to described benchmark driving source respectively.
5. system according to claim 4, is characterized in that, described checkout equipment comprises: record waveform unit, sample-synchronous signal element, receive waveform unit and computational analysis unit; The described simulating signal that records the described benchmark driving source of waveform unit reception; Described sample-synchronous signal element is respectively to described waveform unit and the described tested synchronous electric mutual inductor transmission synchronizing signal of recording; Described reception waveform unit receives the waveform signal that described tested synchronous electric mutual inductor sends; Described computational analysis unit will receive, and the described signal that records waveform unit and described reception waveform unit carries out computational analysis.
6. system according to claim 5, is characterized in that, described computational analysis unit obtains following parameter by computational analysis: amplitude precision, signal lag, transmission unevenness and delay jitter.
CN201210591919.3A 2012-12-28 2012-12-28 Data acquisition unit test and assessment system CN103135013B (en)

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PCT/CN2013/001418 WO2014101274A1 (en) 2012-12-28 2013-11-20 Data acquisition device detection and evaluation system

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CN103135013B CN103135013B (en) 2015-12-02

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CN103439072A (en) * 2013-07-31 2013-12-11 国家电网公司 electronic current transformer one-time coupling vibration test device and method thereof
WO2014101274A1 (en) * 2012-12-28 2014-07-03 辽宁省电力有限公司 Data acquisition device detection and evaluation system
CN104014076A (en) * 2014-04-21 2014-09-03 广州三瑞医疗器械有限公司 Analgesic waveform detection device and method
CN104049231A (en) * 2014-06-05 2014-09-17 国家电网公司 Integrated system for testing delay of separated units of optical electronic transformer
CN105785183A (en) * 2016-03-23 2016-07-20 中国电力科学研究院 Online self-monitoring system for electronic transformer measurement circuit
CN106254009A (en) * 2016-07-21 2016-12-21 北京航空航天大学 A kind of Unmanned Aerial Vehicle Data Link test electromagnetic interference signal recurrence system and reproducing method

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WO2014101274A1 (en) * 2012-12-28 2014-07-03 辽宁省电力有限公司 Data acquisition device detection and evaluation system
CN103344856A (en) * 2013-06-25 2013-10-09 国家电网公司 Method and device for testing merging unit
CN103344856B (en) * 2013-06-25 2016-01-20 国家电网公司 A kind of merge cells method of testing and device
CN103439072A (en) * 2013-07-31 2013-12-11 国家电网公司 electronic current transformer one-time coupling vibration test device and method thereof
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CN104049231A (en) * 2014-06-05 2014-09-17 国家电网公司 Integrated system for testing delay of separated units of optical electronic transformer
CN104049231B (en) * 2014-06-05 2017-02-01 国家电网公司 Integrated system for testing delay of separated units of optical electronic transformer
CN105785183A (en) * 2016-03-23 2016-07-20 中国电力科学研究院 Online self-monitoring system for electronic transformer measurement circuit
CN106254009A (en) * 2016-07-21 2016-12-21 北京航空航天大学 A kind of Unmanned Aerial Vehicle Data Link test electromagnetic interference signal recurrence system and reproducing method
CN106254009B (en) * 2016-07-21 2018-08-03 北京航空航天大学 A kind of Unmanned Aerial Vehicle Data Link test electromagnetic interference signal recurrence system and reproducing method

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