CN1831524A - Intelligent checking device of methane sensor - Google Patents
Intelligent checking device of methane sensor Download PDFInfo
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- CN1831524A CN1831524A CN 200610012621 CN200610012621A CN1831524A CN 1831524 A CN1831524 A CN 1831524A CN 200610012621 CN200610012621 CN 200610012621 CN 200610012621 A CN200610012621 A CN 200610012621A CN 1831524 A CN1831524 A CN 1831524A
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Abstract
An intelligent calibration device of methane transducer consists of parallel data collection controller connected to computer, switching module of multipath gas path, gas source, gas path controller, mass flow rate controller, switching control module of multitype gas source, drying filter, computer for calculating and analyzing collected data, display and printer.
Description
Technical field
The present invention relates to a kind of intelligent checking device of methane sensor, it belongs to a kind of intelligent checking equipment that adopts digital processing technology that simulating signal is converted into digital signal and pass through Computer Processing.
Background technology
Whether the colliery often uses the gas under the methane transducer measuring well to exceed standard in order to guarantee safety in production now.When methane transducer is tested when inaccurate, can produce to the colliery and bring very big potential safety hazard.In order accurately to observe and predict fire damp, need often methane transducer to be carried out verification, to guarantee its detection accuracy.At present, the verification of methane transducer all is to adopt manual method to carry out, and can only see indicating value and can't see the numerical value of test frequency owing to this method, occurs error especially easily, and once can only sensor of verification.Therefore, it exists the slow and not high shortcoming of verification accuracy of verification speed.
Summary of the invention
The objective of the invention is to solve the technological difficulties that verification speed is slow and the verification accuracy is not high that the method for existing verification methane transducer exists and provide a kind of adopt digital processing technology with simulating signal be converted into digital signal and by Computer Processing and verification speed soon, the high intelligent checking device of methane sensor of verification accuracy.
The present invention for the technical scheme that solves above-mentioned technological difficulties and adopt is: intelligent checking device of methane sensor, and it comprises following parts:
(1), can be simultaneously carry out data acquisition control and can be that the data acquisition control case of digital signal constitutes with the analog signal conversion of gathering and the formula data acquisition controller by several the multichannel methane transducer, should and the digital signal output end of formula data acquisition controller be connected with computing machine, signal input part be connected by the signal output part of the methane transducer of verification;
(2), the multichannel gas circuit handover module that can provide the multichannel gas circuit to switch, the source of the gas output terminal of this multichannel gas circuit handover module be connected by the air intake opening of the methane transducer of verification, the source of the gas input end of multichannel gas circuit handover module is connected with the output terminal of mass flow controller, and the signal input part of multichannel gas circuit handover module is connected with the signal output part of source of the gas, gas circuit controller;
(3), computer-controlled source of the gas, gas circuit controller can be provided, the digital signal input end of this controller is connected with computing machine, the signal output part of controller is connected with the signal input part of multiple source of the gas switching controls module and multichannel gas circuit handover module;
(4), the mass flow controller of mass rate can be provided, its source of the gas input end is connected with the source of the gas output terminal of multiple source of the gas switching controls module, its source of the gas output terminal is connected with the source of the gas input end of multichannel gas circuit handover module, and its digital signal input end is connected with computing machine;
(5), the multiple source of the gas switching controls module that can provide multiple source of the gas to switch, its source of the gas input end is connected with the output terminal of device for drying and filtering, its source of the gas output terminal is connected with the source of the gas input end of mass flow controller, and its signal input part is connected with the signal output part of source of the gas, gas circuit controller;
(6), device for drying and filtering, its source of the gas input end is connected with air with standard gas sample, its source of the gas output terminal is connected with the source of the gas input end of multiple source of the gas switching controls module;
(7), can receive the also image data of formula data acquisition controller, the gas flow of energy control of quality flow controller, source of the gas, the gas circuit that can control source of the gas, gas circuit controller are switched, and can calculate receiving data, the computing machine of analyzing and processing, it is connected with the digital signal output end of formula data acquisition controller also; Be connected with the digital signal input end of mass flow controller with source of the gas, gas circuit controller, it also is connected with printing device with display;
(8), one can show by the transmission frequency numerical value of check sensor and corresponding indicating value; And can show the display in flow module control zone, source of the gas handover module control zone, gas circuit switching controls module controls district, it is connected with the output terminal of computing machine;
(9), the printing device that can print check results.
Described printing device is report writer or label machine.
Because the present invention has adopted simulating signal is converted into digital signal and the technical scheme by Computer Processing, therefore compares, have following advantage with background technology:
1, signals collecting is powerful.The present invention can a machine multichannel (1-40 road) data and hairdo collection, demonstration, output and preservation, can freely expand, can reach 40 tunnel demonstration.
2, compatible good.Can carry out verification to methane, wind speed, the negative pressure transducer of all kinds, various models.
3, can visual control and demonstration check results.Whether the displayed value that can accurately reflect sensor at computer screen is consistent with transmission frequency, and can generate printing reports automatically.
4, the product application safety is reliable, long service life.
5, verification speed is fast, verification accuracy height.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
As shown in drawings, the intelligent checking device of methane sensor in the present embodiment, it comprises following parts:
(1), can be simultaneously carry out data acquisition control and can be that the data acquisition control case of digital signal constitutes with the analog signal conversion of gathering and formula data acquisition controller 1 by five 1-40 road methane transducer, should and the digital signal output end of formula data acquisition controller 1 be connected with computing machine 3, signal input part be connected by the signal output part of the methane transducer 12 of verification;
(2), five tunnel gas circuit handover modules 5 that can provide the multichannel gas circuit to switch, the source of the gas output terminal of this five tunnel gas circuits handover module 5 be connected by the air intake opening of the methane transducer 12 of verification, the source of the gas input end of five tunnel gas circuit handover modules 5 is connected with the output terminal of mass flow controller 6, and the signal input part of five tunnel gas circuit handover modules 5 is connected with the signal output part of source of the gas, gas circuit controller 4;
(3), computer-controlled source of the gas, gas circuit controller 4 can be provided, the digital signal input end of this controller 4 is connected with computing machine 3, the signal output part of controller 4 is connected with the signal input part of four kinds of source of the gas switching controls modules 7 and five tunnel gas circuit handover modules 5;
(4), the mass flow controller 6 of mass rate can be provided, its source of the gas input end is connected with the source of the gas output terminal of four kinds of source of the gas switching controls modules 7, its source of the gas output terminal is connected with the source of the gas input end of five tunnel gas circuit handover modules 5, and its digital signal input end is connected with computing machine 3;
(5), four kinds of source of the gas switching controls modules 7 that can provide multiple source of the gas to switch, its source of the gas input end is connected with the output terminal of device for drying and filtering 8, its source of the gas output terminal is connected with the source of the gas input end of mass flow controller 6, and its signal input part is connected with the signal output part of source of the gas, gas circuit controller 4;
(6), device for drying and filtering 8, its source of the gas input end is connected with air 9 with standard gas sample, its source of the gas output terminal is connected with the source of the gas input end of four kinds of source of the gas switching controls modules 7;
(7), can receive the also image data of formula data acquisition controller, the gas flow of energy control of quality flow controller, source of the gas, the gas circuit that can control source of the gas, gas circuit controller are switched, and can calculate receiving data, the computing machine 3 of analyzing and processing, it is connected with the digital signal output end of formula data acquisition controller 1 also; Be connected with the digital signal input end of mass flow controller 6 with source of the gas, gas circuit controller 4, it also is connected with report writer 11 or label machine 10 with display 2;
(8), one can show by the transmission frequency numerical value of check sensor 12 and corresponding indicating value; And can show the display 2 in flow module control zone, source of the gas handover module control zone, gas circuit switching controls module controls district, it is connected with the output terminal of computing machine 3;
(9), a report writer 11 or the label machine 10 that can print check results, they also are connected with the output terminal of computing machine 3.
Claims (2)
1, a kind of intelligent checking device of methane sensor is characterized in that: it comprises following parts:
(1), can be simultaneously carry out data acquisition control and can be that the data acquisition control case of digital signal constitutes with the analog signal conversion of gathering and the formula data acquisition controller by several the multichannel methane transducer, should and the digital signal output end of formula data acquisition controller be connected with computing machine, signal input part be connected by the signal output part of the methane transducer of verification;
(2), the multichannel gas circuit handover module that can provide the multichannel gas circuit to switch, the source of the gas output terminal of this multichannel gas circuit handover module be connected by the air intake opening of the methane transducer of verification, the source of the gas input end of multichannel gas circuit handover module is connected with the output terminal of mass flow controller, and the signal input part of multichannel gas circuit handover module is connected with the signal output part of source of the gas, gas circuit controller;
(3), computer-controlled source of the gas, gas circuit controller can be provided, the digital signal input end of this controller is connected with computing machine, the signal output part of controller is connected with the signal input part of multiple source of the gas switching controls module and multichannel gas circuit handover module;
(4), the mass flow controller of mass rate can be provided, its source of the gas input end is connected with the source of the gas output terminal of multiple source of the gas switching controls module, its source of the gas output terminal is connected with the source of the gas input end of multichannel gas circuit handover module, and its digital signal input end is connected with computing machine;
(5), the multiple source of the gas switching controls module that can provide multiple source of the gas to switch, its source of the gas input end is connected with the output terminal of device for drying and filtering, its source of the gas output terminal is connected with the source of the gas input end of mass flow controller, and its signal input part is connected with the signal output part of source of the gas, gas circuit controller;
(6), device for drying and filtering, its source of the gas input end is connected with air with standard gas sample, its source of the gas output terminal is connected with the source of the gas input end of multiple source of the gas switching controls module;
(7), can receive the also image data of formula data acquisition controller, the gas flow of energy control of quality flow controller, source of the gas, the gas circuit that can control source of the gas, gas circuit controller are switched, and can calculate receiving data, the computing machine of analyzing and processing, it is connected with the digital signal output end of formula data acquisition controller also; Be connected with the digital signal input end of mass flow controller with source of the gas, gas circuit controller, it also is connected with printing device with display;
(8), one can show by the transmission frequency numerical value of check sensor and corresponding indicating value; And can show the display in flow module control zone, source of the gas handover module control zone, gas circuit switching controls module controls district, it is connected with the output terminal of computing machine;
(9), the printing device that can print check results.
2, a kind of intelligent checking device of methane sensor according to claim 1 is characterized in that: described printing device is report writer or label machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100126217A CN100387976C (en) | 2006-04-21 | 2006-04-21 | Intelligent checking device of methane sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100126217A CN100387976C (en) | 2006-04-21 | 2006-04-21 | Intelligent checking device of methane sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1831524A true CN1831524A (en) | 2006-09-13 |
| CN100387976C CN100387976C (en) | 2008-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100126217A Expired - Fee Related CN100387976C (en) | 2006-04-21 | 2006-04-21 | Intelligent checking device of methane sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053164B (en) * | 2009-10-28 | 2013-05-22 | 中国科学院大气物理研究所 | System and method for automatically acquiring and analyzing trace gas |
| CN105572307A (en) * | 2016-01-28 | 2016-05-11 | 河北先河环保科技股份有限公司 | Calibration tool for gas sensors and calibration method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2094061U (en) * | 1991-06-26 | 1992-01-22 | 杜仲科 | Comprehensive calibrator for electrical testers |
| US5335534A (en) * | 1992-06-08 | 1994-08-09 | Gaztech International Corporation | Functional testing method for toxic gas sensors |
| CN2156502Y (en) * | 1993-02-05 | 1994-02-16 | 航空航天工业部太行仪表厂 | Photo gas detector tester |
| CN1029871C (en) * | 1993-05-03 | 1995-09-27 | 中国石油化工总公司 | Detector for ZrO2 measuring oxygen sensor |
| JP3836440B2 (en) * | 2002-05-13 | 2006-10-25 | 本田技研工業株式会社 | Degradation diagnosis method for gas sensor |
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2006
- 2006-04-21 CN CNB2006100126217A patent/CN100387976C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053164B (en) * | 2009-10-28 | 2013-05-22 | 中国科学院大气物理研究所 | System and method for automatically acquiring and analyzing trace gas |
| CN105572307A (en) * | 2016-01-28 | 2016-05-11 | 河北先河环保科技股份有限公司 | Calibration tool for gas sensors and calibration method |
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| Publication number | Publication date |
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| CN100387976C (en) | 2008-05-14 |
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Granted publication date: 20080514 Termination date: 20120421 |