CN101510346A - Calibration device for gas alarm - Google Patents
Calibration device for gas alarm Download PDFInfo
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- CN101510346A CN101510346A CNA2009100248735A CN200910024873A CN101510346A CN 101510346 A CN101510346 A CN 101510346A CN A2009100248735 A CNA2009100248735 A CN A2009100248735A CN 200910024873 A CN200910024873 A CN 200910024873A CN 101510346 A CN101510346 A CN 101510346A
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- gas
- valve
- detection case
- fuel gas
- alarm
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Abstract
The invention relates to a detecting and debugging system of a gas alarm device, particularly to a gas alarm calibration device used for calibrating a critical value of the gas when the gas alarm starts alarming. The device comprises a detection box, wherein a closeable gas inlet which can introduce target gas into the detection box and a closeable exhaust port which can exhaust out the gas in the detection box are arranged on the detection box; and at least one gas sensor used for calibration which has the identical size and specification of the gas sensor of a gas alarm to be detected is arranged inside the detection box, and a signal wire of the gas sensor used for calibration is led outside the detection box. The gas alarm calibration device can accurately determine a concentration value of the target gas when the gas alarm starts alarming, and wastes no target gas in the process of calibration, thereby being pollution-free.
Description
Technical field
The present invention relates to gas alarm Device Testing and debug system, specifically is the calibration device for gas alarm that a kind of gas critical value when being used for fuel gas alarm start reported to the police is demarcated.
Background technology
Existing fuel gas alarm comprises the alarm that use in the colliery, its alarm scaling method be mostly in air directly facing to the Sensor section lighter of alarm, or air duct imposes object gas, the while regulator potentiometer is till the sound and light alarm.This method the object gas concentration can't accurately determine to report to the police the time, reduced the accuracy of reporting to the police; In addition, not only waste a large amount of object gas in the calibration process, pollute production environment, and can operator's health of human body be caused damage.
Summary of the invention
Technical matters to be solved by this invention is, provide a kind of can accurately determine to start in the object gas concentration value of reporting to the police, the calibration process do not waste object gas, free of contamination calibration device for gas alarm.
Calibration device for gas alarm of the present invention includes a detection case, detection case is provided with closable fuel gas inlet that can feed the target combustion gas in detection case and the closable exhausr port that gas in the detection case can be discharged, be mounted with at least one demarcation gas security identical with gas security model, the specification of fuel gas alarm to be measured in detection case, the signal wire of demarcating with gas security is drawn out to outside the detection case.
The fuel gas inlet of described detection case is connected with a fuel gas bottle, fuel gas bottle is connected with valve F1, valve F2 and valve F3 in turn to the pipeline between the fuel gas inlet, also be provided with a combustion gas loop exit on the detection case, the pipeline that the combustion gas loop exit connects is connected between above-mentioned valve F2 and the valve F3 through a valve F4 and a sampling box successively, and the pipeline between fuel gas inlet and the combustion gas loop exit is provided with an ebullator; Exhausr port on the described detection case is connected with the suction end of a vacuum pump through a valve F5; Detection case also is provided with the U-shaped pipe that an intersegmental part is marked with the mercury vernier outward, one end of U-shaped pipe is connected between valve F1 and the valve F2, the other end of U-shaped pipe is connected with the suction end of above-mentioned vacuum pump through valve F6, also is connected with the Rong Bixiang that a volume equates with above-mentioned sampling box on the pipeline between vacuum pump suction end and the U-shaped pipe; Be connected with one section transverse tube between the two ends of U-shaped pipe, transverse tube is provided with valve F7.
Utilization of the present invention is enclosed in the demarcation that the object gas in the detection case detects the warning start-up point of fuel gas alarm, the inflammable gas that does not leak, not only reduced waste, prevented environmental pollution, also improved security, protected user's health of human body; Utilize special-purpose pipe system simultaneously, can obtain accurate object gas concentration samples, improved the precision of demarcating greatly by easy method.
Description of drawings
Fig. 1 is a structure principle chart of the present invention.
Embodiment
As shown in the figure, include a detection case 1, detection case is provided with closable fuel gas inlet 11 that can feed the target combustion gas in detection case and the closable exhausr port 12 that gas in the detection case can be discharged, be mounted with at least one demarcation gas security 2 identical with gas security model, the specification of fuel gas alarm to be measured in detection case, the signal wire of demarcating with gas security 2 is drawn out to outside the detection case.Be filled with the target combustion gas of specific concentrations in the calibration process in the detection case, the signal wire of demarcating with gas security 2 of drawing is connected with burner alarm 3 signal input parts to be calibrated, can be by regulating the warning startup value of fuel gas alarm, make it to being higher than the target gas alarm of specific concentrations, reach the purpose of high-precision calibrating.If a plurality of demarcation gas securities 2 are set in detection case, promptly can debug and demarcate a plurality of fuel gas alarms simultaneously.
The fuel gas inlet 11 of detection case is connected with fuel gas bottle 4, fuel gas bottle is connected with valve F1, valve F2 and valve F3 in turn to the pipeline between the fuel gas inlet 11, also be provided with a combustion gas loop exit 13 on the detection case 1, the pipeline that the combustion gas loop exit connects is connected between valve F2 and the valve F3 through a valve F4 and a sampling box 5 successively, and the pipeline between fuel gas inlet 11 and the combustion gas loop exit 13 is provided with an ebullator 6; Exhausr port 12 on the detection case is connected with the suction end of a vacuum pump 7 through a valve F5; Detection case also is provided with the U-shaped pipe 8 that an intersegmental part is marked with mercury vernier 81 outward, one end of U-shaped pipe is connected between valve F1 and the valve F2, the other end of U-shaped pipe is connected with the suction end of vacuum pump 7 through valve F6, also is connected with appearance that a volume equates with sampling box 5 than case 9 on the pipeline between vacuum pump suction end and the U-shaped pipe; Be connected with one section transverse tube between the two ends of U-shaped pipe, transverse tube is provided with valve F7.
The embodiment of the invention can obtain the detection target combustion gas of desired concn by the above-mentioned pipe system shown in Fig. 1 in detection case, the concrete operations step is as follows:
1, when beginning, be full of atmospheric air in the detection case 1, first valve-off F1, F3, F4, F5 open valve F2, F6, F7, start 7 pairs of detection case exterior lines of vacuum pump and vacuumize;
2, after exterior line vacuumizes, close vacuum pump, open valve F1 then, in sampling box 5, lead to combustion gas by fuel gas bottle 4, at this moment, the mercury vernier is moved and produce left and right difference in height because U-shaped pipe 8 left side air pressure raise, can determine gaseous tension in the sampling box by the left and right difference in height of observing the mercury vernier, when gaseous tension reached desirable value in the sampling box, valve-off F1 stopped to feed combustion gas;
3, open valve F5, make the air in the detection case enter U-shaped pipe right side, make U-shaped pipe both sides air pressure balance again, because sampling box equates than case volume with appearance by Rong Bixiang, therefore equate with the combustion gas volume of sampling by the volume of air that flows out in the detection case, at this moment valve-off F5 again;
4, open valve F3, F4, start ebullator 6, sampling box 5 is also evenly mixed with the gas circulation in the detection case 1 is mobile, at this moment can obtain a gas sample with specific gas concentration value in detection case, the occurrence of its concentration can calculate by the volumetric ratio of sampling box and detection case and obtain.
Claims (2)
1, a kind of calibration device for gas alarm, it is characterized in that: it includes a detection case (1), detection case is provided with closable fuel gas inlet (11) that can feed the target combustion gas in detection case and the closable exhausr port (12) that gas in the detection case can be discharged, be mounted with at least one demarcation gas security (2) identical with gas security model, the specification of fuel gas alarm to be measured in detection case, the signal wire of demarcating with gas security (2) is drawn out to outside the detection case.
2, calibration device for gas alarm according to claim 1, it is characterized in that: the fuel gas inlet of detection case (11) is connected with fuel gas bottle (4), fuel gas bottle is connected with valve F1 in turn to the pipeline between the fuel gas inlet (11), valve F2 and valve F3, also be provided with a combustion gas loop exit (13) on the detection case (1), the pipeline that the combustion gas loop exit connects is connected between valve F2 and the valve F3 through a valve F4 and a sampling box (5) successively, and the pipeline between fuel gas inlet (11) and the combustion gas loop exit (13) is provided with an ebullator (6); Exhausr port on the detection case (12) is connected with the suction end of a vacuum pump (7) through a valve F5; Detection case also is provided with the U-shaped pipe (8) that an intersegmental part is marked with mercury vernier (81) outward, one end of U-shaped pipe is connected between valve F1 and the valve F2, the other end of U-shaped pipe is connected with the suction end of vacuum pump (7) through valve F6, also is connected with the Rong Bixiang (9) that a volume equates with sampling box (5) on the pipeline between vacuum pump suction end and the U-shaped pipe; Be connected with one section transverse tube between the two ends of U-shaped pipe, transverse tube is provided with valve F7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100248735A CN101510346A (en) | 2009-03-02 | 2009-03-02 | Calibration device for gas alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100248735A CN101510346A (en) | 2009-03-02 | 2009-03-02 | Calibration device for gas alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101510346A true CN101510346A (en) | 2009-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100248735A Pending CN101510346A (en) | 2009-03-02 | 2009-03-02 | Calibration device for gas alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101510346A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915624A (en) * | 2012-09-27 | 2013-02-06 | 淄博贝林电子有限公司 | Detecting device and detecting method of fuel gas alarm |
| CN108711269A (en) * | 2018-05-31 | 2018-10-26 | 亚洲硅业（青海）有限公司 | A kind of flammable gas alarm caliberating device |
-
2009
- 2009-03-02 CN CNA2009100248735A patent/CN101510346A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915624A (en) * | 2012-09-27 | 2013-02-06 | 淄博贝林电子有限公司 | Detecting device and detecting method of fuel gas alarm |
| CN102915624B (en) * | 2012-09-27 | 2014-09-17 | 淄博贝林电子有限公司 | Detecting device and detecting method of fuel gas alarm |
| CN108711269A (en) * | 2018-05-31 | 2018-10-26 | 亚洲硅业（青海）有限公司 | A kind of flammable gas alarm caliberating device |
| CN108711269B (en) * | 2018-05-31 | 2019-09-10 | 亚洲硅业（青海）有限公司 | A kind of flammable gas alarm caliberating device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090819 |