CN103675746A - High-voltage switch tester calibration device and calibration method - Google Patents
High-voltage switch tester calibration device and calibration method Download PDFInfo
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- CN103675746A CN103675746A CN201310711946.4A CN201310711946A CN103675746A CN 103675746 A CN103675746 A CN 103675746A CN 201310711946 A CN201310711946 A CN 201310711946A CN 103675746 A CN103675746 A CN 103675746A
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Abstract
The invention discloses a high-voltage switch tester calibration device and calibration method. In domestic, a special high-voltage switch tester calibration device is absent. Generally, a plurality of instruments and devices are combined, the method is low in result stability, poor in repeatability and high in requirement on operators. The calibration device comprises a shell (1), an input unit (2) and a time-base circuit (3) are arranged in the shell, the time-base circuit is connected with a microprocessor (4), the microprocessor is connected with an I/O (input/output) interface circuit (5), the input unit is respectively connected with an A/D (analog-to-digital) converter (6) and the I/O interface circuit, the A/D converter is connected with an optoelectronic isolator (7), the optoelectronic isolator is connected with the I/O interface circuit, and the I/O interface circuit is respectively connected with an output unit (8), a display screen (9) and a control key (10). The calibration device is used for calibrating a high-voltage switch tester.
Description
technical field:
the present invention relates to a kind of high voltage switch tester calibration equipment and method of calibration.
background technology:
along with scientific and technical development, Intelligent high-pressure switching characteristic tester device constantly makes new advances, but corresponding calibration technology and equipment are still relatively backward, exist function simple, automaticity is not high, and verification wiring is complicated, and additive error is uncertain, the deficiencies such as inefficiency, have affected its development and application.
at home, the calibration equipment that also there is no special high voltage switch tester.Be all generally to adopt many instruments, device combination, as time calibrator, digital voltmeter, meter frequency chronometric analysis instrument etc., complete the verification of the important technological parameters of high voltage switch tester and adjustment.This method not only expends a lot of time, man power and material, and check results is subject to the impact of several factors, causes result stability not high, and repeatability is bad, also higher to operating personnel's requirement.On the other hand, high voltage switch tester scale constantly expands, and model is also more and more, and the function of measurement is also not quite similar, and this combined method of calibration more and more can not meet the demand in market.
summary of the invention:
the object of this invention is to provide a kind of high voltage switch tester calibration equipment and method of calibration.
above-mentioned object realizes by following technical scheme:
a kind of high voltage switch tester calibration equipment, its composition comprises: housing, in described housing, there is input block, time base circuit, described time base circuit is connected with microprocessor, described microprocessor is connected with I/O interface circuit, described input block is connected with A/D converter, described I/O interface circuit respectively, described A/D converter is connected with photoisolator, described photoisolator is connected with described I/O interface circuit, and described I/O interface circuit is connected with output unit, display screen, control button respectively.
described high voltage switch tester calibration equipment, described input block comprises sample circuit, and described sample circuit is connected with ac-dc converter circuit, and described ac-dc converter circuit is connected with described A/D converter.
a kind of method of calibration of high voltage switch tester calibration equipment, described is corresponding with tester calibration device terminal connected by tested high voltage switch tester, by described tester calibration device, provide the splitting or integrating lock time, splitting or integrating lock synchronism and bounce time equal time parameter, record the displayed value of tested each parameter of high voltage switch tester simultaneously, realize the calibration of tested each parameter of high voltage switch tester.
the method of calibration of described high voltage switch tester calibration equipment, the input signal of described tester calibration device is through sample circuit, AC/DC circuit access A/D change-over circuit, become digital signal, then through photoelectrical coupler access microprocessor, identify and computing, data, signal after microprocessor processes, processing are sent to respectively display module and output unit with the form of program code; There is display to show, have output circuit to go to control by the operation of school high-voltage switch property test instrument, and then automatically complete verifying work.
beneficial effect:
calibration equipment of the present invention is mainly that time-parameters is measured, six parameters (combined floodgate port time, closing time, switching order, combined floodgate three-phase not the same period, combined floodgate homophase not the same period, closing rebound time) that comprise combined floodgate, six parameters of separating brake (separating brake port time, opening time, separating brake order, separating brake three-phase not the same period, separating brake homophase not the same period, separating brake bounce time) and five parameters of reclosing (reclosing port time, reclosure time, reclosing sequentially, reclosing three-phase the same period, reclosing homophase same period not); Secondly also electric parameter is carried out to verification.
verification of the present invention is accurate; the high voltage switch tester of numerous models on market is carried out to Measurement and calibration; guarantee the accuracy of high voltage switch tester measurement and the validity of test function; thereby ensure the safe operation of high-voltage switch gear; lower accident rate; guarantee the safe and reliable of operational system, the protection person and property safety.
accompanying drawing explanation:
accompanying drawing 1 is structural representation of the present invention.
embodiment:
embodiment 1:
a kind of high voltage switch tester calibration equipment, its composition comprises: housing 1, in described housing, there is input block 2, time base circuit 3, described time base circuit is connected with microprocessor 4, described microprocessor is connected with I/O interface circuit 5, described input block is connected with A/D converter 6, described I/O interface circuit respectively, described A/D converter is connected with photoisolator 7, described photoisolator is connected with described I/O interface circuit, and described I/O interface circuit is connected with output unit 8, display screen 9, control button 10 respectively.
embodiment 2:
high voltage switch tester calibration equipment according to claim 1, described input block comprises sample circuit 11, and described sample circuit is connected with ac-dc converter circuit 12, and described ac-dc converter circuit is connected with described A/D converter.
embodiment 3:
a kind of method of calibration of high voltage switch tester calibration equipment, described is corresponding with tester calibration device terminal connected by tested high voltage switch tester, by described tester calibration device, provide the splitting or integrating lock time, splitting or integrating lock synchronism and bounce time equal time parameter, record the displayed value of tested each parameter of high voltage switch tester simultaneously, realize the calibration of tested each parameter of high voltage switch tester.
embodiment 4:
according to the method for calibration of the high voltage switch tester calibration equipment described in embodiment 3, the input signal of described tester calibration device is through sample circuit, AC/DC circuit access A/D change-over circuit, become digital signal, then through photoelectrical coupler access microprocessor, identify and computing, data, signal after microprocessor processes, processing are sent to respectively display module and output unit with the form of program code; There is display to show, have output circuit to go to control by the operation of school high-voltage switch property test instrument, and then automatically complete verifying work.
Claims (4)
1. a high voltage switch tester calibration equipment, its composition comprises: housing, it is characterized in that: in described housing, there is input block, time base circuit, described time base circuit is connected with microprocessor, described microprocessor is connected with I/O interface circuit, described input block is connected with A/D converter, described I/O interface circuit respectively, described A/D converter is connected with photoisolator, described photoisolator is connected with described I/O interface circuit, and described I/O interface circuit is connected with output unit, display screen, control button respectively.
2. high voltage switch tester calibration equipment according to claim 1, is characterized in that: described input block comprises sample circuit, and described sample circuit is connected with ac-dc converter circuit, and described ac-dc converter circuit is connected with described A/D converter.
3. the method for calibration of a high voltage switch tester calibration equipment, it is characterized in that: described is corresponding with tester calibration device terminal connected by tested high voltage switch tester, by described tester calibration device, provide the splitting or integrating lock time, splitting or integrating lock synchronism and bounce time equal time parameter, record the displayed value of tested each parameter of high voltage switch tester simultaneously, realize the calibration of tested each parameter of high voltage switch tester.
4. the method for calibration of high voltage switch tester calibration equipment according to claim 3, it is characterized in that: the input signal of described tester calibration device is through sample circuit, AC/DC circuit access A/D change-over circuit, become digital signal, then through photoelectrical coupler access microprocessor, identify and computing, data, signal after microprocessor processes, processing are sent to respectively display module and output unit with the form of program code; There is display to show, have output circuit to go to control by the operation of school high-voltage switch property test instrument, and then automatically complete verifying work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310711946.4A CN103675746A (en) | 2013-12-20 | 2013-12-20 | High-voltage switch tester calibration device and calibration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310711946.4A CN103675746A (en) | 2013-12-20 | 2013-12-20 | High-voltage switch tester calibration device and calibration method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103675746A true CN103675746A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310711946.4A Withdrawn CN103675746A (en) | 2013-12-20 | 2013-12-20 | High-voltage switch tester calibration device and calibration method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122523A (en) * | 2014-07-30 | 2014-10-29 | 哈尔滨朗昇电气股份有限公司 | Circuit for testing time parameters of verifying devices for high-voltage switch testers |
| CN104977554A (en) * | 2014-04-10 | 2015-10-14 | 陈书欣 | Detection device for storage battery internal resistance tester |
| CN105892452A (en) * | 2016-06-08 | 2016-08-24 | 国网安徽省电力公司检修公司 | Verification device for breaker synchronous control device of extra-high pressure station and verification method |
| CN113390452A (en) * | 2021-06-16 | 2021-09-14 | 北京康斯特仪表科技股份有限公司 | Method and device for calibrating switch type instrument |
-
2013
- 2013-12-20 CN CN201310711946.4A patent/CN103675746A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977554A (en) * | 2014-04-10 | 2015-10-14 | 陈书欣 | Detection device for storage battery internal resistance tester |
| CN104122523A (en) * | 2014-07-30 | 2014-10-29 | 哈尔滨朗昇电气股份有限公司 | Circuit for testing time parameters of verifying devices for high-voltage switch testers |
| CN104122523B (en) * | 2014-07-30 | 2017-12-01 | 哈尔滨朗昇电气运维服务有限公司 | The circuit of testing high voltage brake switch tester calibration equipment time parameter |
| CN105892452A (en) * | 2016-06-08 | 2016-08-24 | 国网安徽省电力公司检修公司 | Verification device for breaker synchronous control device of extra-high pressure station and verification method |
| CN113390452A (en) * | 2021-06-16 | 2021-09-14 | 北京康斯特仪表科技股份有限公司 | Method and device for calibrating switch type instrument |
| CN113390452B (en) * | 2021-06-16 | 2023-08-18 | 北京康斯特仪表科技股份有限公司 | Method and device for calibrating switch type instrument |
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Application publication date: 20140326 |