CN103869272A - Calibration device for high-voltage switch dynamic characteristic tester - Google Patents
Calibration device for high-voltage switch dynamic characteristic tester Download PDFInfo
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- CN103869272A CN103869272A CN201410110747.2A CN201410110747A CN103869272A CN 103869272 A CN103869272 A CN 103869272A CN 201410110747 A CN201410110747 A CN 201410110747A CN 103869272 A CN103869272 A CN 103869272A
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Abstract
The invention relates to a calibration device for a high-voltage switch dynamic characteristic tester. At present, new advances are made for the high-voltage switch dynamic characteristic tester, but calibration equipment still has the disadvantages of being simple in function, low in working efficiency and the like. The calibration device comprises a shell (1), wherein an attenuator circuit (2) and an amplification circuit (3) are installed in the shell (1), the attenuator circuit is connected with an AC/DC switching circuit (4), and the AC/DC switching circuit is connected with an A/D convertor (5) connected with a photoelectric coupler A (6); the amplification circuit is connected with a rectifying circuit (7), the rectifying circuit is connected with a conditioning circuit (8) connected with an inputting circuit (9), the inputting circuit is connected with a photoelectric coupler B (10), the photoelectric coupler A, the photoelectric coupler B are respectively connected with a micro-processor (11), and the micro-processor (11) is connected with a display circuit (12), a keyboard control circuit (13), a time-base circuit (14) and a power circuit (15). The calibration device is used for calibrating the high-voltage switch dynamic characteristic tester.
Description
technical field:
the present invention relates to a kind of high voltage switch dynamic characteristics tester calibration equipment.
background technology:
along with scientific and technical development, Intelligent high-pressure switch dynamic characteristic test instrument constantly makes new advances, but corresponding calibration technology and equipment are still relatively backward, exist function simple, automaticity is not high, verification wiring complexity, and additive error is uncertain, the deficiencies such as inefficiency, have affected its development and application.
summary of the invention:
the object of this invention is to provide a kind of high voltage switch dynamic characteristics tester calibration equipment.
above-mentioned object realizes by following technical scheme:
a kind of high voltage switch dynamic characteristics tester calibration equipment, its composition comprises: housing, in described housing, attenuator circuit is installed, amplifying circuit, described attenuator circuit is connected with ac-dc converter circuit, described ac-dc converter circuit is connected with A/D converter, described A/D converter is connected with photoelectrical coupler A, described amplifying circuit is connected with rectification circuit, described rectification circuit is connected with modulate circuit, described modulate circuit is connected with input circuit, described input circuit is connected with photoelectrical coupler B, described photoelectrical coupler A, described photoelectrical coupler B is connected with microprocessor respectively, described microprocessor and display circuit, keyboard control circuit, time base circuit, power circuit connects.
described high voltage switch dynamic characteristics tester calibration equipment, has display screen, operation push-button on described housing, described display screen is connected with described display circuit, and described operation push-button is connected with described keyboard control circuit.
described high voltage switch dynamic characteristics tester calibration equipment, described microprocessor is single-chip microcomputer, the model of described single-chip microcomputer is AT89S52.
described high voltage switch dynamic characteristics tester calibration equipment, described ac-dc converter circuit comprises resistance R 1, resistance R 2, follower U1, real effective converter U2, the model of described real effective converter U2 is AD536, realizes the AC and DC conversion of tested voltage.
described high voltage switch dynamic characteristics tester calibration equipment, described A/D converter comprises A/ D chip U3 and peripheral circuit, the model of described A/D chip is ICL7135, is 4 half biproduct somatotype converters.
beneficial effect:
1. electrical parameter metering circuit of the present invention makes the voltage signal Ui of input through attenuator circuit, ac-dc converter circuit access A/D converter, become digital signal, then carry out computing through photoelectrical coupler A access microprocessor, data, signal after microprocessor processes are sent to display circuit with the form of program code, on the display screen of housing, provide measurement result, and then automatically complete the verifying work of electrical parameter.
2. the splitting or integrating lock equal time parameter of the present invention's input, mechanical parameter signal are through amplifying circuit, rectification circuit, modulate circuit and input circuit, amplify, rectification, conditioning, shaping, the digital signal obtaining is through photoelectrical coupler B access microprocessor, microprocessor is identified and is operated this signal, the corresponding trigger pip of measuring switch parameter or mechanical parameter of output, go to control by the operation of school high-voltage switch property test instrument, and the measurement result of display switch parameter or mechanical parameter.
3. the present invention is connected corresponding with the each terminal of high voltage switch dynamic characteristics tester calibration equipment tested high voltage switch dynamic characteristics tester, provide the splitting or integrating lock time by calibration equipment, the trigger pip of the Measuring Time parameters such as splitting or integrating lock synchronism and bounce time, record the measured value of tested high voltage switch dynamic characteristics tester relevant parameter simultaneously, the two difference of twin check device and tester, can realize the calibration of the each parameter of tested high voltage switch dynamic characteristics tester.
4. the interface of input signal processing circuit of the present invention and microprocessor, is all the transmission that realizes signal through photoelectrical coupler, system and scene can be carried out to electrical isolation like this, and what prevent from disturbing scurries into, and guarantees the stable of system.
accompanying drawing explanation:
accompanying drawing 1 is structural representation of the present invention.
accompanying drawing 2 is circuit theory diagrams of the Part I of microprocessor in accompanying drawing 1.
accompanying drawing 3 is circuit theory diagrams of the Part II of microprocessor in accompanying drawing 1.
accompanying drawing 4 is circuit theory diagrams of power circuit in accompanying drawing 1.
accompanying drawing 5 is circuit theory diagrams that in accompanying drawing 1, ac-dc converter circuit is connected with A/D converter.
in figure: there is annexation between same-sign circuit.
embodiment:
embodiment 1:
a kind of high voltage switch dynamic characteristics tester calibration equipment, its composition comprises: housing 1, attenuator circuit 2 is installed in described housing, amplifying circuit 3, described attenuator circuit is connected with ac-dc converter circuit 4, described ac-dc converter circuit is connected with A/D converter 5, described A/D converter and photoelectrical coupler A, piece number: 6 connect, described amplifying circuit is connected with rectification circuit 7, described rectification circuit is connected with modulate circuit 8, described modulate circuit is connected with input circuit 9, described input circuit and photoelectrical coupler B, piece number: 10 connect, described photoelectrical coupler A, described photoelectrical coupler B is connected with microprocessor 11 respectively, described microprocessor and display circuit 12, keyboard control circuit 13, time base circuit 14, power circuit 15 connects.
embodiment 2:
according to the high voltage switch dynamic characteristics tester calibration equipment described in embodiment 1, it is characterized in that: on described housing, there is display screen, operation push-button, described display screen is connected with described display circuit, and described operation push-button is connected with described keyboard control circuit.
embodiment 3:
according to the high voltage switch dynamic characteristics tester calibration equipment described in embodiment 1 or 2, described microprocessor is single-chip microcomputer, and the model of described single-chip microcomputer is AT89S52.
embodiment 4:
according to the high voltage switch dynamic characteristics tester calibration equipment described in embodiment 1 or 2, described ac-dc converter circuit comprise resistance R 1, resistance R 2, follower U1, real effective converter U2,, described resistance R 1, described resistance R 2 are carried out dividing potential drop to input voltage Ui, described follower U1 is the input stage of circuit, the model of described real effective converter U2 is AD536, realizes the AC and DC conversion of tested voltage;
embodiment 5:
according to the high voltage switch dynamic characteristics tester calibration equipment described in embodiment 1 or 2, described A/D converter comprises A/ D chip U3 and peripheral circuit, and the model of described A/D chip is ICL7135, is 4 half biproduct somatotype converters.In three signal wires of described A/D chip, POL is polarity mark's signal of tested voltage, BUSY is the working state output terminal of converter, CLK is external clock input end, these three described single-chip microcomputers of signal wire access, by described single-chip microcomputer image data, process, shown by described display screen again, realize the measurement of tested voltage.
Claims (5)
1. a high voltage switch dynamic characteristics tester calibration equipment, its composition comprises: housing, it is characterized in that: in described housing, attenuator circuit is installed, amplifying circuit, described attenuator circuit is connected with ac-dc converter circuit, described ac-dc converter circuit is connected with A/D converter, described A/D converter is connected with photoelectrical coupler A, described amplifying circuit is connected with rectification circuit, described rectification circuit is connected with modulate circuit, described modulate circuit is connected with input circuit, described input circuit is connected with photoelectrical coupler B, described photoelectrical coupler A, described photoelectrical coupler B is connected with microprocessor respectively, described microprocessor and display circuit, keyboard control circuit, time base circuit, power circuit connects.
2. high voltage switch dynamic characteristics tester calibration equipment according to claim 1, it is characterized in that: on described housing, there is display screen, operation push-button, described display screen is connected with described display circuit, and described operation push-button is connected with described keyboard control circuit.
3. high voltage switch dynamic characteristics tester calibration equipment according to claim 1 and 2, is characterized in that: described microprocessor is single-chip microcomputer, the model of described single-chip microcomputer is AT89S52.
4. high voltage switch dynamic characteristics tester calibration equipment according to claim 1 and 2, it is characterized in that: described ac-dc converter circuit comprises resistance R 1, resistance R 2, follower U1, real effective converter U2, the model of described real effective converter U2 is AD536, realizes the AC and DC conversion of tested voltage.
5. high voltage switch dynamic characteristics tester calibration equipment according to claim 1 and 2, is characterized in that: described A/D converter comprises A/ D chip U3 and peripheral circuit, and the model of described A/D chip is ICL7135, is 4 half biproduct somatotype converters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110747.2A CN103869272A (en) | 2014-03-24 | 2014-03-24 | Calibration device for high-voltage switch dynamic characteristic tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110747.2A CN103869272A (en) | 2014-03-24 | 2014-03-24 | Calibration device for high-voltage switch dynamic characteristic tester |
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| Publication Number | Publication Date |
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| CN103869272A true CN103869272A (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410110747.2A Pending CN103869272A (en) | 2014-03-24 | 2014-03-24 | Calibration device for high-voltage switch dynamic characteristic tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954590A (en) * | 2015-12-31 | 2016-09-21 | 西安航天精密机电研究所 | Insulation pathway tester |
| CN106018895A (en) * | 2016-06-02 | 2016-10-12 | 国网河南省电力公司洛阳供电公司 | Circuit breaker on-line tripping closing voltage tester voltage regulating device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1283423A1 (en) * | 2001-08-07 | 2003-02-12 | Agilent Technologies, Inc. (a Delaware corporation) | Timing calibration and timing calibration verification of electronic circuit testers |
| CN101666866A (en) * | 2008-09-04 | 2010-03-10 | 哈尔滨理工大学 | Checking device for high-voltage switch property test instrument |
| CN201444192U (en) * | 2008-09-04 | 2010-04-28 | 哈尔滨理工大学 | Checking apparatus for high-voltage switching characteristic tester |
| CN202886583U (en) * | 2012-11-23 | 2013-04-17 | 哈尔滨理工大学 | Device for verifying high voltage switch mechanical character test instrument |
| JP2013190324A (en) * | 2012-03-14 | 2013-09-26 | Daihen Corp | Calibration parameter generation system |
| CN103487774A (en) * | 2013-09-09 | 2014-01-01 | 辽宁省计量科学研究院 | High-voltage switch mechanical feature tester verifying device |
| CN203455467U (en) * | 2013-09-09 | 2014-02-26 | 辽宁省计量科学研究院 | Device for calibrating high-voltage switch mechanical characteristic tester |
| CN203745637U (en) * | 2014-03-24 | 2014-07-30 | 哈尔滨理工大学 | High-voltage switch dynamic characteristic tester verification device |
-
2014
- 2014-03-24 CN CN201410110747.2A patent/CN103869272A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1283423A1 (en) * | 2001-08-07 | 2003-02-12 | Agilent Technologies, Inc. (a Delaware corporation) | Timing calibration and timing calibration verification of electronic circuit testers |
| CN101666866A (en) * | 2008-09-04 | 2010-03-10 | 哈尔滨理工大学 | Checking device for high-voltage switch property test instrument |
| CN201444192U (en) * | 2008-09-04 | 2010-04-28 | 哈尔滨理工大学 | Checking apparatus for high-voltage switching characteristic tester |
| JP2013190324A (en) * | 2012-03-14 | 2013-09-26 | Daihen Corp | Calibration parameter generation system |
| CN202886583U (en) * | 2012-11-23 | 2013-04-17 | 哈尔滨理工大学 | Device for verifying high voltage switch mechanical character test instrument |
| CN103487774A (en) * | 2013-09-09 | 2014-01-01 | 辽宁省计量科学研究院 | High-voltage switch mechanical feature tester verifying device |
| CN203455467U (en) * | 2013-09-09 | 2014-02-26 | 辽宁省计量科学研究院 | Device for calibrating high-voltage switch mechanical characteristic tester |
| CN203745637U (en) * | 2014-03-24 | 2014-07-30 | 哈尔滨理工大学 | High-voltage switch dynamic characteristic tester verification device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954590A (en) * | 2015-12-31 | 2016-09-21 | 西安航天精密机电研究所 | Insulation pathway tester |
| CN106018895A (en) * | 2016-06-02 | 2016-10-12 | 国网河南省电力公司洛阳供电公司 | Circuit breaker on-line tripping closing voltage tester voltage regulating device |
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Application publication date: 20140618 |
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