CN106053446A - Portable gas concentration detecting device and detecting method - Google Patents
Portable gas concentration detecting device and detecting method Download PDFInfo
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- CN106053446A CN106053446A CN201610277646.3A CN201610277646A CN106053446A CN 106053446 A CN106053446 A CN 106053446A CN 201610277646 A CN201610277646 A CN 201610277646A CN 106053446 A CN106053446 A CN 106053446A
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- China
- Prior art keywords
- liquid storage
- reaction tank
- storage tank
- gas concentration
- tank
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
Abstract
A portable gas concentration detecting device and a detecting method are disclosed, relate to the field of gas measurement, and overcome an issue that detecting devices have characters of high precision, low costs, portability, and the like at the same time. The detecting device comprises a sealing membrane, a hydrophobic gas-permeable membrane, a reaction tank, one-way valves, liquid storage tanks, a receiving device, a luminescent device, a light-transmitting light path and a main body, wherein the number of the liquid storage tanks is set according to different gases to be measured and is zero to a plurality, the liquid storage tanks are in one-way communication with the reaction tank through the one-way valves, the liquid storage tanks are provided with tank covers, the reaction tank, the one-way valves, the liquid storage tanks and the light-transmitting light path are disposed in the main body, and the receiving device and the luminescent device are disposed outside the main body. The detecting device and the detecting method have characteristics of a simple structure, a low cost, convenience to carry, high precision, operation convenience, and the like.
Description
Technical field
The invention belongs to gasmetry field, relate to a kind of portable gas concentration detection apparatus and detection method.
Background technology
Gasmetry suffers from demand widely in each field, such as industry etc., wherein carrying along with people's living standard
Height, oneself indoor environment is increasingly paid attention to gradually, although measure the gas of indoor environment now with a variety of methods, but
There is cost high, poor selectivity, or operate the features such as complicated, it is impossible to enter widely in individual family.
Prior art shortcoming:
1, electrochemical sensor: cost is high, and poor selectivity, measurement result has drift；
2, the sensor of optics: cost is high, detected gas limitednumber；
3, additive method substantially cost is high, and is difficult to portable.
So the application scenarios of gasmetry proposes the highest requirement to gasmetry mode in individual family room, as
Low cost, in high precision, low interference and miniaturization etc..
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of high accuracy, low cost, portable
The gas-detecting device being applicable to domestic consumer of formula.
The purpose of the present invention can be realized by following technical proposal: a kind of portable gas concentration detection apparatus, and it is special
Levy and be, by diaphragm seal, hydrophobic permeable membrane, reaction tank, check valve, liquid storage tank, receiving device, luminescent device, printing opacity light path and
Body forms；Wherein, arranging the number of liquid storage tank according to the difference of measured gas, described liquid storage tank is that zero is the most multiple, and
Liquid storage tank is by check valve and reaction tank unilaterally connected；Liquid storage tank is provided with basin lid.
Diaphragm seal, hydrophobic permeable membrane, reaction tank, liquid storage tank and printing opacity light path are all for being made up of inorganic or organic material
Transparent visual device.
Reaction tank is for placing and the liquid of measured gas reaction colour developing, when liquid reacts with measured gas,
Color changes, it is possible to calculate the concentration of this measured gas.
This internal reaction tank that is provided with, reaction tank is covered with hydrophobic permeable membrane, and hydrophobic permeable membrane is covered with diaphragm seal, wherein,
The size of hydrophobic permeable membrane is more than the size of reaction tank, and the size of diaphragm seal is more than the size of hydrophobic permeable membrane.
Diaphragm seal overlays on hydrophobic permeable membrane, isolates extraneous gas, play the effect of preservation not using when；Hydrophobic
Ventilated membrane overlays on reaction tank, measured gas by reacting with the liquid in reaction tank after hydrophobic permeable membrane, and
Prevent the liquid in liquid cell out.
Basis is the most internal is provided with check valve and liquid storage tank, when needs arrange multiple liquid storage tank, each liquid storage tank is equipped with pond
Cover, and each liquid storage tank is all connected with reaction tank by check valve.
Basin lid be arranged in parallel with the surface of body, and the non-permeable film that basin lid is the most inorganic or organic material is made, and passes through
Pressing basin lid, it is possible to the liquid storage in liquid storage tank is entered in reaction tank by check valve.
Printing opacity optical routing enters optical channel, go out optical channel and body is provided with into optical channel, the sidewall composition that goes out optical channel,
And enter optical channel and to go out position at optical channel and check valve, liquid storage tank location the most overlapping, prevent from going out during work
The phenomenon now interfered.
During work, being respectively arranged at two ends with luminescent device and receiving device outside the printing opacity light path of body, luminescent device produces
Light enter in reaction tank by entering optical channel, reacted after light captured by receiving device by going out optical channel.
Detection method based on above-mentioned a kind of portable gas concentration detection apparatus, comprises the following steps:
1) start to measure, take off the diaphragm seal of detection device, detection device is put into the environment containing measured gas
In；
2) according to the difference of measurement gas, the quantity of its liquid storage tank contained is different；According to the sequencing of chemical reaction,
It is squeezed in reaction tank with gas reaction with by the liquid of liquid storage tank respectively, if each step needs to wait according to chemical reaction
The dry time；
3) whether the reactant liquor color in observing response pond changes；
4) in step 3), if the reactant liquor color in reaction tank changes, then will；
5) detection device is put in detecting instrument, by the change of color in reaction tank, finally determine tested gas
Content, terminate measure；
6) in step 3), if the reactant liquor color in reaction tank does not changes, then without measured gas, knot in air
Bundle is measured.
Wherein, in step 5) by printing opacity path monitoring reaction tank in color change method be absorption process and observational method；
Described absorption process is to measure the absorptance of special wavelength light, described observational method for by photographic head color in reaction tank changed into
Row monitoring, and then calculate gas concentration.
Compared with prior art, this portable gas concentration detection apparatus has the advantage that
1, this portable gas concentration detection apparatus simple in construction, is convenient for carrying, and possesses the feature such as low cost and miniaturization.
2, this portable gas concentration detection apparatus is easily operated, by chemical method, possesses the spies such as high accuracy, low interference
Point.
3, opening setting by reaction tank and liquid storage tank, the lane enabling devices to simultaneously measure multiple gases is many, application
Extensively.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this portable gas concentration detection apparatus；
Fig. 2 is the cross-sectional view of this portable gas concentration detection apparatus；
Plan structure schematic diagram when Fig. 3 is the work of this portable gas concentration detection apparatus；
In figure, 1, diaphragm seal；2, hydrophobic permeable membrane；3, reaction tank；41, the first check valve；42, the second check valve；51,
One liquid storage tank；52, the first basin lid；53, the second liquid storage tank；54, the second basin lid；6, receiving device；7, luminescent device；8, enter light to lead to
Road；9, optical channel is gone out；10, body.
Detailed description of the invention
The following is the specific embodiment of invention and combine accompanying drawing, technical scheme is further described, but
The present invention is not limited to these embodiments.
Embodiment one
The present invention realizes the detection of PARA FORMALDEHYDE PRILLS(91,95) gas concentration by following technical proposal, as shown in Figure 1 to Figure 3, a kind of
Portable gas concentration detection apparatus, it is characterised in that by diaphragm seal 1, hydrophobic permeable membrane 2, reaction tank 3, check valve, liquid storage
Pond, receiving device 6, luminescent device 7, printing opacity light path and body 10 form；Wherein, check valve includes the first check valve 41 and second
Check valve 42, liquid storage tank includes the first liquid storage tank 51 and the second liquid storage tank 53, and described first liquid storage tank 51 is provided with the first basin lid
52, the second liquid storage tank 53 is provided with the second basin lid 54.
Diaphragm seal 1, hydrophobic permeable membrane 2, reaction tank 3, liquid storage tank and printing opacity light path are all for being made up of inorganic or organic material
Transparent visual device.
Reaction tank 3 is for placing the liquid with measured gas reaction, when liquid reacts, liquid storage with measured gas
Pond is two, and all with reaction tank 3 unilaterally connected, for reaction tank 3 provide with measured gas reaction develop the color the most molten
Liquid, color changes, it is possible to calculate the concentration of this measured gas.
It is provided with reaction tank 3 in body 10, reaction tank 3 is covered with hydrophobic permeable membrane 2, hydrophobic permeable membrane 2 is covered with diaphragm seal
1, wherein, the size of hydrophobic permeable membrane 2 is more than the size of reaction tank 3, and the size of diaphragm seal 1 is more than the size of hydrophobic permeable membrane 2.
Diaphragm seal 1 overlays on hydrophobic permeable membrane 2, isolates extraneous gas, play the effect of preservation not using when；Dredge
Water ventilated membrane 2 overlays on reaction tank 3, and measured gas is anti-by occurring with the liquid in reaction tank 3 after hydrophobic permeable membrane 2
Should, and prevent the liquid in liquid cell out.
Being provided with check valve and liquid storage tank in body 10, the first liquid storage tank 51 is provided with the first basin lid 52, and the first liquid storage tank
51 are connected with reaction tank 3 by the first check valve 41；Second liquid storage tank 53 is provided with the second basin lid 54, and the second liquid storage tank 53 leads to
Cross the second check valve 42 to connect with reaction tank 3.
As shown in Figures 2 and 3, the first basin lid 52 and the second basin lid 54 be arranged in parallel with the surface of body 10, and the first pond
The non-permeable film that lid 52 and the second basin lid 54 are made by inorganic or organic material；When pressing the first basin lid 52, the first storage
First kind liquid storage in liquid pool 51 can enter in reaction tank 3 by the first check valve 41, when pressing the second basin lid 54, and the second storage
Equations of The Second Kind liquid storage in liquid pool 53 can be entered in reaction tank 3 by the second check valve 42.
As it is shown on figure 3, printing opacity optical routing enters optical channel 8, goes out optical channel 9 and body 10 is provided with into optical channel 8, goes out light
The sidewall composition of passage 9, and enter optical channel 8 and go out the position at optical channel 9 with check valve, liquid storage tank location not
Overlap, prevents the phenomenon occurring interfering during work.
During work, outside the printing opacity light path of body 10, it is respectively arranged at two ends with luminescent device 7 and receiving device 6, luminescent device
7 produce light enter in reaction tank 3 by entering optical channel 8, reacted after light captured by receiving device 6 by going out optical channel 9.
Embodiment two
The present embodiment two is essentially identical with structure and the principle of embodiment one, and different place is: the present invention passes through
Following technical proposal realizes the detection to benzene gas concentration, and liquid storage tank is one, and liquid storage tank is by check valve 4 and reaction tank 3
Unilaterally connected.
Detection method based on above-mentioned a kind of portable gas concentration detection apparatus, comprises the following steps:
1) start to measure, take off the diaphragm seal of detection device, detection device is put into the environment containing measured gas
In；
2) according to the difference of measurement gas, the quantity of its liquid storage tank contained is different；According to the sequencing of chemical reaction,
It is squeezed in reaction tank with gas reaction with by the liquid of liquid storage tank respectively, if each step needs to wait according to chemical reaction
The dry time；
3) whether the reactant liquor color in observing response pond changes；
4) in step 3), if the reactant liquor color in reaction tank changes, then will；
5) detection device is put in detecting instrument, by the change of color in reaction tank, finally determine tested gas
Content, terminate measure；
6) in step 3), if the reactant liquor color in reaction tank does not changes, then without measured gas, knot in air
Bundle is measured.
Wherein, in step 5) by printing opacity path monitoring reaction tank 3 in color change method be absorption process and observational method；
Described absorption process is to measure the absorptance of special wavelength light, and described observational method is to be changed color in reaction tank 3 by photographic head
It is monitored, and then calculates gas concentration.
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory
Generation, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Claims (6)
1. a portable gas concentration detection apparatus, it is characterised in that by diaphragm seal, hydrophobic permeable membrane, reaction tank, unidirectional
Valve, liquid storage tank, receiving device, luminescent device, printing opacity light path and body composition；Wherein, according to the different settings of measured gas
The number of liquid storage tank, described liquid storage tank is that zero is the most multiple, and liquid storage tank is by check valve and reaction tank unilaterally connected；Described storage
Liquid pool is provided with basin lid；
This internal reaction tank that is provided with, reaction tank is covered with hydrophobic permeable membrane, hydrophobic permeable membrane is covered with diaphragm seal；
This internal check valve and liquid storage tank of being provided with, each liquid storage tank is equipped with basin lid, and each liquid storage tank all passes through check valve
Connect with reaction tank；
This internal printing opacity light path that is provided with, printing opacity optical routing enters optical channel, go out optical channel and body is provided with into optical channel, goes out light
The sidewall composition of passage, and enter optical channel and go out the position at optical channel and do not weigh with check valve, liquid storage tank location
Folded；
Be respectively arranged at two ends with luminescent device and receiving device outside the printing opacity light path of body, the light that luminescent device produces pass through into
Optical channel enters in reaction tank, reacted after light captured by receiving device by going out optical channel.
A kind of portable gas concentration detection apparatus the most according to claim 1, it is characterised in that described in connect diaphragm seal,
Hydrophobic permeable membrane, reaction tank, liquid storage tank and printing opacity light path are all for the transparent visual device being made up of inorganic or organic material.
A kind of portable gas concentration detection apparatus the most according to claim 1, it is characterised in that described wherein, hydrophobic
The size of ventilated membrane is more than the size of reaction tank, and the size of diaphragm seal is more than the size of hydrophobic permeable membrane.
4. according to claim 1-3 is recognized a described a kind of portable gas concentration detection apparatus, it is characterised in that described
Basin lid be arranged in parallel with the surface of body, and the non-permeable film that basin lid is made up of inorganic or organic material.
5., based on described in a kind of portable gas concentration detection apparatus described in claim 1, comprise the following steps:
1) start to measure, take off the diaphragm seal of detection device, detection device is put in the environment containing measured gas；
2) according to the difference of measurement gas, the quantity of its liquid storage tank contained is different；According to the sequencing of chemical reaction, respectively
It is squeezed in reaction tank with gas reaction with by the liquid of liquid storage tank, when each step needs to wait some according to chemical reaction
Between；
3) whether the reactant liquor color in observing response pond changes；
4) in step 3), if the reactant liquor color in reaction tank changes, then will；
5) detection device is put in detecting instrument, by the change of color in reaction tank, finally determine containing of tested gas
Amount, terminates to measure；
6) in step 3), if the reactant liquor color in reaction tank does not changes, then without measured gas in air, terminate to survey
Amount.
A kind of portable gas concentration detection method the most according to claim 5, it is characterised in that be set forth in step 8) logical
The method of color change in printing opacity path monitoring reaction tank of crossing is absorption process and observational method；
Described absorption process is to measure the absorptance of special wavelength light；
Described observational method is for being monitored color change in reaction tank by photographic head, and then calculates gas concentration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277646.3A CN106053446A (en) | 2016-04-20 | 2016-04-20 | Portable gas concentration detecting device and detecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277646.3A CN106053446A (en) | 2016-04-20 | 2016-04-20 | Portable gas concentration detecting device and detecting method |
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| Publication Number | Publication Date |
|---|---|
| CN106053446A true CN106053446A (en) | 2016-10-26 |
Family
ID=57176194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610277646.3A Pending CN106053446A (en) | 2016-04-20 | 2016-04-20 | Portable gas concentration detecting device and detecting method |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514659A (en) * | 2019-09-25 | 2019-11-29 | 西安热工研究院有限公司 | A kind of visualization carbon dioxide detection alarm system |
| WO2022029508A1 (en) * | 2020-08-05 | 2022-02-10 | AusMed Global Limited | Testing device with built-in liquid storage |
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| CN1882832A (en) * | 2003-11-13 | 2006-12-20 | 理研计器株式会社 | Gas sensing member and gas detection apparatus suitable therefor |
| US20070161113A1 (en) * | 2006-01-06 | 2007-07-12 | Ash Stephen R | Ammonia sensor and system for use |
| WO2011123064A1 (en) * | 2010-03-30 | 2011-10-06 | Clearbridge Bioloc Pte Ltd. | Assay |
| CN102565040A (en) * | 2010-12-22 | 2012-07-11 | 中国科学院电子学研究所 | Portable photoelectric ammonia detection device |
| CN105466853A (en) * | 2015-12-30 | 2016-04-06 | 深圳市绿恩环保技术有限公司 | Online chloride detecting device and chloride detecting system |
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2016
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4428907A (en) * | 1981-02-23 | 1984-01-31 | Nederlandse Centrale Organizatie Voor Toegepast Natuurwetenschappelijk Onderzoek | Detector for detecting air components |
| CN2436934Y (en) * | 2000-06-19 | 2001-06-27 | 陈永康 | Quick convenient gas sampling and determining apparatus |
| CN1882832A (en) * | 2003-11-13 | 2006-12-20 | 理研计器株式会社 | Gas sensing member and gas detection apparatus suitable therefor |
| US20070161113A1 (en) * | 2006-01-06 | 2007-07-12 | Ash Stephen R | Ammonia sensor and system for use |
| WO2011123064A1 (en) * | 2010-03-30 | 2011-10-06 | Clearbridge Bioloc Pte Ltd. | Assay |
| CN102565040A (en) * | 2010-12-22 | 2012-07-11 | 中国科学院电子学研究所 | Portable photoelectric ammonia detection device |
| CN105466853A (en) * | 2015-12-30 | 2016-04-06 | 深圳市绿恩环保技术有限公司 | Online chloride detecting device and chloride detecting system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514659A (en) * | 2019-09-25 | 2019-11-29 | 西安热工研究院有限公司 | A kind of visualization carbon dioxide detection alarm system |
| WO2022029508A1 (en) * | 2020-08-05 | 2022-02-10 | AusMed Global Limited | Testing device with built-in liquid storage |
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