CN206411081U - The gas concentration calibration device of gas defence - Google Patents
The gas concentration calibration device of gas defence Download PDFInfo
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- CN206411081U CN206411081U CN201621163962.XU CN201621163962U CN206411081U CN 206411081 U CN206411081 U CN 206411081U CN 201621163962 U CN201621163962 U CN 201621163962U CN 206411081 U CN206411081 U CN 206411081U
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Abstract
The utility model discloses a kind of gas concentration calibration device of gas defence, including：Closed casing, air draft component and the interior circulation blower fan for being arranged on box house, air draft component includes the exhaust fan for being arranged on box house, it is arranged on natural air air inlet oral area on the side wall of casing and equipped with piston plug, gas outlet portion is provided with exhaust fan, gas outlet portion is connected with the gas pipeline of gas after conveying experiment, gas pipeline is extended to outside casing, casing one end is provided with sampling air entry and sampling gas outlet, sampling air entry and sampling gas outlet are connected with the gas analyzer air inlet on the gas analyzer for gas concentration in detection case body and gas analyzer gas outlet respectively by pipeline.The utility model can will input its internal gas rapid dispersion and be uniformly distributed, and the gas tested is discharged in outdoor or gas processing device.
Description
Technical field
The utility model is related to meter calibration technique field, in particular to a kind of for the anti-of gas detector
The gas concentration calibration device of poison.
Background technology
Gas detector is a kind of instrument for detecting gas concentration, is widely used in the combustible gas in detection industrial production environment
The concentration of body or toxic gas, the accuracy of its testing result is highly important.Accordingly, it would be desirable to periodically carry out standard inspection to it
It is fixed, prevent because gas detector is nonstandard and can not normally monitor poisonous or imflammable gas, so as to cause in production
Personnel's intoxicating phenomenon or the generation of factory's explosion accident.Calibrating is carried out to gas detector and uses gas concentration calibration device.
In the prior art, conventional gas concentration calibration device is provided with upper lid, after terminating to gas detector demarcation, mark
Fix the number of workers is exhausted directly to interior by covering the gas that will have been tested in device in opening, and the gas often has certain toxicity or can
Combustion property, toxic gas has very big harm to human body, and imflammable gas then easily triggers fire, there is potential safety hazard.
In addition, gas concentration calibration device is when inputting gas, it is impossible to the gas is quickly spread and is evenly distributed on this
In device, cause the gas concentration at each position in device different, the gas concentration of sampling can not represent other position gas in device
The concentration of body, the gas concentration result and actual gas concentration result for making detection has a long way to go, so as to cause to detection of gas
The demarcation of device is inaccurate.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem to a certain extent.
In view of this, the utility model provides a kind of gas concentration calibration device of gas defence, and the device will can be inputted in it
The gas rapid dispersion in portion and it is uniformly distributed, and gas test is discharged in outdoor or gas processing device.
In order to solve the above-mentioned technical problem, the utility model provides a kind of gas concentration calibration device of gas defence, including：
Closed casing, air draft component and the interior circulation blower fan for being arranged on the box house, the air draft component includes being arranged on institute
State the exhaust fan of box house and natural air air inlet being arranged on the side wall of the casing and equipped with piston plug
It is provided with gas outlet portion on portion, the exhaust fan, the gas outlet portion is connected with the defeated of gas after conveying experiment
Feed channel, the gas pipeline is extended to outside the casing, and described casing one end is provided with sampling air entry and sampling gas outlet, institute
State sampling air entry and the sampling gas outlet by pipeline respectively with the gas point for detecting gas concentration in the casing
Gas analyzer air inlet in analyzer is connected with gas analyzer gas outlet.
Further, end of the end of the gas pipeline provided with gas processing device or the gas pipeline is extended to
In outdoor air.
Further, the casing be provided with the tight gas port of high concentrations of gas, the tight gas port of high concentrations of gas by pipeline with
High-pressure high-concentration gas cylinder outside the casing is connected.
Further, the natural air air inlet oral area and the gas outlet portion are located at the casing length direction respectively
Two ends.
Further, the interior circulation blower fan include it is multiple, on the inwall for being fixed on the casing, and be spaced apart be arranged on institute
State the two ends of the length direction of casing.
Further, calibration gas detector is arranged on the box house.
Further, handle of the tank surface provided with the convenient lifting casing.
Further, asepwirator pump is provided with the gas analyzer.
Further, the material of the casing is transparent material.
Further, the casing top is additionally provided with the binding post for connecting external power source.
It is of the present utility model to have technical effect that：According to a kind of gas concentration calibration device of gas defence of the present utility model,
During standard test is carried out to gas detector, certain density gas is passed through to box house, is opened（Close）Row
Wind blower fan, is pulled up（Block）The piston plug of natural air air inlet oral area, while starting interior circulation blower fan makes newly to be passed through in casing
Gas Rapid Circulation flow and be uniformly distributed so that passing through other positions in the gas and casing that air entry of sampling sucks
Gas concentration is identical, and the result for demarcating calibration gas detector is more accurate.
In addition, after demarcation terminates, opening the piston plug of natural air air inlet oral area, start in exhaust fan, casing
The gas that portion has been tested enters gas pipeline and is transported in outdoor or gas processing device, make experiment it is complete have it is flammable or
Poisonous gas will not be exhausted directly to interior, prevent indoor generation explosion accident or personnel to be poisoned, it is ensured that workshop and personnel's
Safety.
Brief description of the drawings
Fig. 1 is the structural representation of the gas concentration calibration device of the gas defence according to the utility model one embodiment.
Wherein, 1- casings；2- interior circulation blower fans；3- exhaust fans；4- handles；6- sampling air entries；7- samplings gas outlet；
8- natural air air inlet oral areas；The tight gas port of 9- high concentrations of gas；10- gas analyzers；11- gas analyzer air inlets；12- gas
Body analyzer gas outlet；13- gas processing devices；14- binding posts；15- gas pipelines；16- high-pressure high-concentration gas cylinders；31-
Gas outlet portion；100- calibration gas detectors.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
The utility model can be better understood from and can be practiced, but illustrated embodiment is limited not as to of the present utility model.
As shown in figure 1, a kind of gas concentration calibration device of gas defence, including：Closed casing 1, air draft component and setting
Interior circulation blower fan 2 inside casing 1, air draft component includes the exhaust fan 3 being arranged on inside casing 1 and is arranged on casing 1
Side wall on and equipped with piston plug natural air air inlet oral area 8, exhaust fan 3 be provided with gas outlet portion 31, gas
Outlet oral area 31 is connected with the gas pipeline 15 that conveying rating test terminates rear gas, and gas pipeline 15 is extended to outside casing 1, case
The one end of body 1 provided with sampling air entry 6 and sampling gas outlet 7, sampling air entry 6 and sample gas outlet 7 by pipeline respectively with
In the gas analyzer air inlet 11 in detection casing 1 on the gas analyzer 10 of gas concentration and gas analyzer gas outlet 12
It is connected.
According to a kind of gas concentration calibration device of gas defence of the present utility model, enter to calibration gas detector 100
During row standard test, to casing 1 inside be passed through certain density gas, open（Close）Exhaust fan 3, is pulled up（It is stifled
Firmly）The piston plug of natural air air inlet oral area 8, makes the gas being newly passed through in casing 1 quickly follow while starting interior circulation blower fan 2
Circulation is moved and is uniformly distributed, so that the gas and the gas concentration phase at other positions in casing 1 that are sucked by air entry 6 of sampling
Together, the result for demarcating calibration gas detector 100 is more accurate.
In addition, after demarcation terminates, opening the piston plug of natural air air inlet oral area 8, start exhaust fan 3, casing 1
The complete gas of closed test enters gas pipeline 15 and is transported in outdoor or gas processing device 13, make experiment it is complete have can
Combustion property or poisonous gas will not be exhausted directly to interior, prevent indoor generation explosion accident or personnel to be poisoned, it is ensured that workshop and
The safety of personnel.
The end of gas pipeline 15 is extended to provided with gas processing device 13 or the end of gas pipeline 15 in the air of outdoor,
The gas tested is discharged into outdoor, prevents the poisonous or imflammable gas tested in casing 1 to be directly discharged to indoor work
Make place, to avoid fire or health is caused harm.
Casing 1 is provided with the tight gas port 9 of high concentrations of gas, and the tight gas port 9 of high concentrations of gas passes through pipeline and the casing 1
Outside high-pressure high-concentration gas cylinder 16 is connected, and high-pressure high-concentration gas cylinder 16 can be to being filled with certain density gas in casing 1.
Natural air air inlet oral area 8 and gas outlet portion 31 are located at the two ends of the length direction of casing 1 respectively.When to casing
When progress is passed through certain density gas, natural air air inlet oral area 8 and gas outlet portion 31 are opened, makes gas along casing 1
Length direction flows, and the gas being newly passed through is distributed in the inside of casing 1 on maximum magnitude, so as to save duration of ventilation.
Interior circulation blower fan 2 on the inwall for being fixed on casing 1, and is spaced apart the length direction for being arranged on casing 1 including multiple
Two ends, make length direction Rapid Circulation flowing of the gas in casing 1 along casing 1, make the dense of the gas at each position in casing 1
Degree is consistent, so that the gas of sampling is consistent with the gas concentration at other positions in casing 1, during so as to marked gas concentration
It is more accurate, so as to improve the stated accuracy to gas detector.
Calibration gas detector 100 is arranged on inside the casing 1 so that calibration gas detector 100 is to casing 1
The content of toxic gas and imflammable gas in interior gas is detected.
Handle 4 of the surface of casing 1 provided with convenient lifting casing 1, when needing mobile box 1, lift-pull handle 4 is more convenient,
It is laborsaving.
Asepwirator pump, the gas that asepwirator pump is sucked in casing 1 by air entry 6 of sampling, to adopting are provided with gas analyzer 10
The concentration of collection gas is analyzed and calibration gas detector 100 is demarcated, and after demarcation terminates, asepwirator pump will have been tested
Gas pass through in pipeline blowback casing 1.
The material of casing 1 is transparent material, and just whether the interior circulation blower fan 2 and exhaust fan 3 inside convenient observation casing 1
Often work.
The top of casing 1 is additionally provided with the binding post 14 for connecting external power source, and binding post 14 makes connecting wire more
It is convenient.
According to the gas concentration calibration device of gas defence of the present utility model, the operation principle of the device is as follows：
First, calibration gas detector 100 is placed on inside casing 1.
The installation's power source is connected, the piston plug of natural air air inlet oral area 8 is then pulled up, starts the He of interior circulation blower fan 2
The switch of exhaust fan 3, certain density gas, after a period of time, case are passed through into casing 1 by high-pressure high-concentration gas cylinder 16
Old gas in body 1 is excluded completely, is evenly distributed on certain density gas in casing 1, blocks natural air air inlet
The piston plug in portion 8, closes the switch of interior circulation blower fan 2 and exhaust fan 3.
The concentration of gas in the detection casing 1 of calibration gas detector 100.
After a period of time, start the asepwirator pump in gas analyzer 10, gas analyzer 10 is sucked by air entry 6 of sampling
Gas in casing 1, and the toxic gas and the content of imflammable gas in sample gas are analyzed, pass through gas analysis
The result that instrument 10 is analyzed carries out the demarcation of concentration to calibration gas detector 100, by the alarm of calibration gas detector 100
State and indicating value are shown on LCDs, calculate the technologies such as the error of indication and repeatability of calibration gas detector 100
Whether index meets standard requirement.
After demarcation terminates, start exhaust fan 3, pull up the piston plug of natural air air inlet oral area 8, inhaled while starting
Gas after the completion of being tested in gas analyzer 10 is passed through gas analyzer gas outlet 12 and pipeline and sampling by air pump, asepwirator pump
In the blowback casing 1 of gas outlet 7, the gas tested is discharged into gas processing device 13 by exhaust fan 3 by gas pipeline 15
In gas is carried out disinfection processing, or be discharged into the outside atmosphere of spaciousness, prevent that indoor generation fire and harm are indoor
Staff's is healthy.
Embodiment described above is only the preferred embodiment to absolutely prove the utility model and being lifted, the utility model
Protection domain not limited to this.Equivalent substitute or change that those skilled in the art are made on the basis of the utility model
Change, within protection domain of the present utility model.Protection domain of the present utility model is defined by claims.
Claims (10)
1. a kind of gas concentration calibration device of gas defence, it is characterised in that including：Closed casing, air draft component and it is arranged on
The interior circulation blower fan of the box house, the air draft component includes being arranged on the exhaust fan of the box house and is arranged on
Gas is provided with natural air air inlet oral area on the side wall of the casing and equipped with piston plug, the exhaust fan to go out
Gas port portion, the gas outlet portion is connected with the gas pipeline of gas after conveying experiment, and the gas pipeline extends to described
Outside casing, described casing one end is provided with sampling air entry and sample gas outlet, the sampling air entry and the sampling gas outlet
By pipeline respectively with for detecting that the gas analyzer air inlet in the casing on the gas analyzer of gas concentration is gentle
Body analyzer gas outlet is connected.
2. the gas concentration calibration device of gas defence according to claim 1, it is characterised in that the end of the gas pipeline
End provided with gas processing device or the gas pipeline is extended in the air of outdoor.
3. the gas concentration calibration device of gas defence according to claim 1, it is characterised in that the casing is provided with highly concentrated
The tight gas port of gas is spent, the tight gas port of high concentrations of gas is connected by pipeline with the high-pressure high-concentration gas cylinder outside the casing
It is logical.
4. the gas concentration calibration device of gas defence according to claim 1, it is characterised in that the natural air air inlet
Portion and the gas outlet portion are located at the two ends of the casing length direction respectively.
5. the gas concentration calibration device of gas defence according to claim 1, it is characterised in that the interior circulation blower fan includes
It is multiple, on the inwall for being fixed on the casing, and it is spaced apart the two ends for the length direction for being arranged on the casing.
6. the gas concentration calibration device of gas defence according to claim 1, it is characterised in that calibration gas detector is set
Put in the box house.
7. the gas concentration calibration device of gas defence according to claim 1, it is characterised in that the tank surface is provided with side
Just the handle of the casing is lifted.
8. the gas concentration calibration device of gas defence according to claim 1, it is characterised in that set in the gas analyzer
There is asepwirator pump.
9. the gas concentration calibration device of gas defence according to claim 1, it is characterised in that the material of the casing is
Bright material.
10. the gas concentration calibration device of gas defence according to claim 1, it is characterised in that the casing top is also set
There is the binding post for connecting external power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621163962.XU CN206411081U (en) | 2016-10-31 | 2016-10-31 | The gas concentration calibration device of gas defence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621163962.XU CN206411081U (en) | 2016-10-31 | 2016-10-31 | The gas concentration calibration device of gas defence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206411081U true CN206411081U (en) | 2017-08-15 |
Family
ID=59548875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621163962.XU Active CN206411081U (en) | 2016-10-31 | 2016-10-31 | The gas concentration calibration device of gas defence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206411081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267423A (en) * | 2021-06-21 | 2021-08-17 | 贵州茅台酒股份有限公司 | Cabin body simulation device and gas introduction and gas detection method |
-
2016
- 2016-10-31 CN CN201621163962.XU patent/CN206411081U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267423A (en) * | 2021-06-21 | 2021-08-17 | 贵州茅台酒股份有限公司 | Cabin body simulation device and gas introduction and gas detection method |
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