CN105628740B - Import and export the online test method of toxic gas formaldehyde in automatic foot-mat - Google Patents
Import and export the online test method of toxic gas formaldehyde in automatic foot-mat Download PDFInfo
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- CN105628740B CN105628740B CN201510995399.6A CN201510995399A CN105628740B CN 105628740 B CN105628740 B CN 105628740B CN 201510995399 A CN201510995399 A CN 201510995399A CN 105628740 B CN105628740 B CN 105628740B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
Abstract
The invention discloses a kind of online test methods of toxic gas formaldehyde in inlet and outlet automatic foot-mat, including：The preparation of gas sensor：It is used as raw material by the metallo-organic compound of indium and tin and prepares In4Sn3O12Material, and apply it to and form gas sensing layer on base material, non-metallic material protective layer is set on gas sensing layer, and gas sensing layer and on-metallic protective coating combination, which are carried out assembling processing, forms gas sensor；It connects gas sensor and forms gas detecting system with electrical quality detecting device and data processing system；Gas sensing layer is contacted with toxic gas formaldehyde and is reacted, the electrical property of gas sensor changes, for the electrical property delta data of electrical quality detecting device detection gas sensor to data processing system, data processing system analyzing processing exports the content of toxic gas formaldehyde.The method of the present invention has the advantageous effect of high detection sensitivity and fast detection speed.
Description
Technical field
The present invention relates to inlet and outlet product quality detection technique fields.It is more particularly related to which a kind of be used for
The online test method of toxic gas formaldehyde in inlet and outlet automatic foot-mat during line transportation entry.
Background technology
As network commodity marketing diversification and the process changed extensively are gradually accelerated, the type of import-export commodity is also more next
More, inlet and outlet frequency is also higher and higher, but in order to protect the equity of consumer, the requirement of the detection of product quality also more next
It is higher, quick detection sensitivity has not been required nothing more than, and needs quick detection speed to sell with quick inlet and outlet
It sells and matches.
Private car is widely used so that the Diversification of products of automatic foot-mat, but the quality of some automatic foot-mats is not inconsistent
The standard of using is closed, manufacturing process is unreasonable, sells in product and exists containing toxic gas formaldehyde so that this product of inferior quality stream
Enter that market is for consumer use, the hidden danger of health can be undoubtedly brought to consumer.Formaldehyde is a kind of gaseous material, it can cause to be good for
Kang Wenti such as eyes are ached or mucosa irritation.Short time, exposure was even low concentration can also cause the thorn of eyes and respiratory apparatus
Swash：The stimulation eyes from 0.01ppm, stimulation eyes and nose from 0.08ppm, and the stimulation throat from 0.5ppm.It is more than
The high concentration steam of 10ppm can lead to serious mucosa irritation state, along with shedding tears, cough and nose and nose and throat
Cusalgia.Concentration can cause toxic pulmonary edema and the pneumonia of threat to life when being more than 30ppm, formaldehyde-caused chronic effect is intentionally
Manage obstacle (such as insomnia, tired, listless, loss of appetite or nervous), eye irritation and conjunctivitis, skin irritatin, slow
Property cough, flu and bronchitis, headache, depression etc..In addition, formaldehyde can also cause allergy, and a period of time is next under a cloud
The cancer of the mankind and gene may be caused to change and damage fetus for these reasons, Bundesgesundheitsamt proposes work
The maximum concentration (MAK) for making place is 0.3ppm (0.375mg/m3).In view of being exposed to for a long time wherein, indoor standard value is very
To only 0.1ppm (0.125mg/m3)。
Based on these above-mentioned reasons, in the automatic foot-mat used human lives' intimate contact toxic gas formaldehyde effectively and
Quickly detection is of great significance.
Invention content
It is an object of the invention to solve the problems, such as above-mentioned at least one or defect, and provide will be described later at least one
A advantage.
It is a still further object of the present invention to provide a kind of on-line checking sides of toxic gas formaldehyde in inlet and outlet automatic foot-mat
Method, by containing In4Sn3O12The gas sensing layer of material and toxic gas formaldehyde haptoreaction, by detecting gas sensing layer electrical property
Variation detect the content of toxic gas formaldehyde, realize the online quick inspection of toxic gas formaldehyde in inlet and outlet automatic foot-mat
It surveys, detection sensitivity is high.
In order to realize these purposes and other advantages according to the present invention, provide toxic in a kind of inlet and outlet automatic foot-mat
The online test method of gas formaldehyde, includes the following steps：
Step 1: the preparation of gas sensor：It is used as raw material by the metallo-organic compound of indium and tin to prepare
In4Sn3O12Material, to the In4Sn3O12Material is applied on base material by flame spray pyrolysis method and forms gas sensor
Gas sensing layer, is arranged non-metallic material protective layer on the gas sensing layer, and the non-metallic material protective layer is located at the gas sensing layer
Top, the gas sensing layer and the on-metallic protective coating are combined as gas sensor component carry out assembling processing formed
Gas sensor, wherein be provided with multiple gas access apertures of array arrangement on the panel of the on-metallic protective coating, pass through institute
Stating gas access apertures makes detected gas enter the gas sensing layer；
Step 2: connect the gas sensor forms gas detection system with electrical quality detecting device and data processing system
The gas detecting system is arranged in the top of the transmission device of inlet and outlet automatic foot-mat to detect the inlet and outlet automobile system
Toxic gas formaldehyde in foot pad；
Wherein, the gas sensing layer of the gas sensor contacts hair with the toxic gas formaldehyde in the inlet and outlet automatic foot-mat
Raw reaction, the electrical property of the gas sensor change, and the electrical quality detecting device detects the gas sensor
For electrical property variation output detection data to the data processing system, the data processing system receives the electrical quality detection dress
The testing result set carries out the content for the toxic gas formaldehyde that analyzing processing exports in the inlet and outlet automatic foot-mat.
Preferably, wherein in the step 1, In4Sn3O12The preparation of material specifically includes：Molar concentration is
The isometric mixed dissolution of 2 ethyl hexanoic acid tin that 0.45 Indium Tris acetylacetonate and molar concentration is 0.45 is in toluene and dimethylbenzene
In is prepared by the method for pyrolysis in the atmosphere of oxygen in mixed solvent4Sn3O12Material.
Preferably, wherein in the step 2, also set up between the transmission device and the gas detecting system
There is gas suction pump, the outlet of the gas suction pump to be correspondingly arranged with multiple gas access apertures, the gas suction pump with it is micro-
Controller connection is to realize that the automatic control of toxic gas formaldehyde is aspirated.
Preferably, wherein in the step 1, the gas sensing layer is to be flexibly connected with the on-metallic protective coating,
In order to the replacement of the gas sensing layer.
Preferably, wherein in the step 2, the gas sensor of the electrical quality detecting device detection
Electrical property variation is resistance, output work and/or capacitance variations.
Preferably, wherein in the step 2, the gas sensor of the electrical quality detecting device detection
Electrical property variation is resistance variations.
Preferably, wherein in the step 1, be provided in the gas sensor for fixing the gas sensing layer
Fixed seat, the fixed seat and the gas sensing layer buckle is flexibly connected.
Preferably, wherein in the step 1, the model of the thickness ratio of the gas sensing layer and the on-metallic protective coating
Enclose for：5: (2~6).
The present invention includes at least following advantageous effect：
1, by containing In4Sn3O12The gas sensing layer of material and toxic gas formaldehyde haptoreaction, by detecting gas sensing layer electricity
The variation of property detects the content of toxic gas formaldehyde, realizes the online fast of toxic gas formaldehyde in inlet and outlet automatic foot-mat
Speed detection, detection sensitivity are high；
2, it is played a protective role to gas sensing layer by the way that non-metallic material protective layer is arranged on gas sensing layer, avoids other gases
Influence to gas sensing layer sensitivity；
3, by being provided with gas suction pump between gas detecting system and commodity transmission device so that the first in commodity
Aldehyde gas is quickly acted on gas sensing layer, improves the detection speed of toxic gas；
4, detachably connected in gas sensor by gas sensing layer and on-metallic protective coating flexible connection and gas sensing layer
It connects, is replaced convenient for gas sensing layer, it is easy to use.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail, to enable those skilled in the art with reference to specification
Word can be implemented according to this.
Embodiment 1
Import and export the process of the online test method of toxic gas formaldehyde in automatic foot-mat.Including：
Step 1: the preparation of gas sensor：It is used as raw material by the metallo-organic compound of indium and tin to prepare
In4Sn3O12Material, to the In4Sn3O12Material is applied on base material by flame spray pyrolysis method and forms gas sensor
Gas sensing layer, is arranged non-metallic material protective layer on the gas sensing layer, and the non-metallic material protective layer is located at the gas sensing layer
Top, the gas sensing layer and the on-metallic protective coating are combined as gas sensor component carry out assembling processing formed
Gas sensor, wherein be provided with multiple gas access apertures of array arrangement on the panel of the on-metallic protective coating, pass through institute
Stating gas access apertures makes detected gas enter the gas sensing layer, wherein the gas sensing layer and the on-metallic protective coating
Thickness ratio is：5: 3, the gas sensing layer is to be flexibly connected with the on-metallic protective coating, in order to the replacement of the gas sensing layer；
Step 2: connect the gas sensor forms gas detection system with electrical quality detecting device and data processing system
The gas detecting system is arranged in the top of the transmission device of inlet and outlet automatic foot-mat to detect the inlet and outlet automobile system
Toxic gas formaldehyde in foot pad；
Wherein, the gas sensing layer of the gas sensor contacts hair with the toxic gas formaldehyde in the inlet and outlet automatic foot-mat
Raw reaction, the electrical property of the gas sensor change, and the electrical quality detecting device detects the gas sensor
For electrical property variation output detection data to the data processing system, the data processing system receives the electrical quality detection dress
The testing result set carries out the content for the toxic gas formaldehyde that analyzing processing exports in the inlet and outlet automatic foot-mat, wherein electrically
Qualitative change turns to the variation of resistance value.
Embodiment 2
Import and export the process of the online test method of toxic gas formaldehyde in automatic foot-mat.Including：
Step 1: the preparation of gas sensor：It is used as raw material by the metallo-organic compound of indium and tin to prepare
In4Sn3O12Material, to the In4Sn3O12Material is applied on base material by flame spray pyrolysis method and forms gas sensor
Gas sensing layer, is arranged non-metallic material protective layer on the gas sensing layer, and the non-metallic material protective layer is located at the gas sensing layer
Top, the gas sensing layer and the on-metallic protective coating are combined as gas sensor component carry out assembling processing formed
Gas sensor, wherein be provided with multiple gas access apertures of array arrangement on the panel of the on-metallic protective coating, pass through institute
Stating gas access apertures makes detected gas enter the gas sensing layer, wherein the gas sensing layer and the on-metallic protective coating
Thickness ratio is：5: 2, the gas sensing layer is to be flexibly connected with the on-metallic protective coating, in order to the replacement of the gas sensing layer；
Step 2: connect the gas sensor forms gas detection system with electrical quality detecting device and data processing system
The gas detecting system is arranged in the top of the transmission device of inlet and outlet automatic foot-mat to detect the inlet and outlet automobile system
Toxic gas formaldehyde in foot pad；
Wherein, the gas sensing layer of the gas sensor contacts hair with the toxic gas formaldehyde in the inlet and outlet automatic foot-mat
Raw reaction, the electrical property of the gas sensor change, and the electrical quality detecting device detects the gas sensor
For electrical property variation output detection data to the data processing system, the data processing system receives the electrical quality detection dress
The testing result set carries out the content for the toxic gas formaldehyde that analyzing processing exports in the inlet and outlet automatic foot-mat, wherein electricity
Change of properties is the variation of output work.
Embodiment 3
Import and export the process of the online test method of toxic gas formaldehyde in automatic foot-mat.Including：
Step 1: the preparation of gas sensor：It is used as raw material by the metallo-organic compound of indium and tin to prepare
In4Sn3O12Material, to the In4Sn3O12Material is applied on base material by flame spray pyrolysis method and forms gas sensor
Gas sensing layer, is arranged non-metallic material protective layer on the gas sensing layer, and the non-metallic material protective layer is located at the gas sensing layer
Top, the gas sensing layer and the on-metallic protective coating are combined as gas sensor component carry out assembling processing formed
Gas sensor, wherein be provided with multiple gas access apertures of array arrangement on the panel of the on-metallic protective coating, pass through institute
Stating gas access apertures makes detected gas enter the gas sensing layer, wherein the gas sensing layer and the on-metallic protective coating
Thickness ratio is：5: 6, the gas sensing layer is to be flexibly connected with the on-metallic protective coating, in order to the replacement of the gas sensing layer；
Step 2: connect the gas sensor forms gas detection system with electrical quality detecting device and data processing system
The gas detecting system is arranged in the top of the transmission device of inlet and outlet automatic foot-mat to detect the inlet and outlet automobile system
Toxic gas formaldehyde in foot pad；
Wherein, the gas sensing layer of the gas sensor contacts hair with the toxic gas formaldehyde in the inlet and outlet automatic foot-mat
Raw reaction, the electrical property of the gas sensor change, and the electrical quality detecting device detects the gas sensor
For electrical property variation output detection data to the data processing system, the data processing system receives the electrical quality detection dress
The testing result set carries out the content for the toxic gas formaldehyde that analyzing processing exports in the inlet and outlet automatic foot-mat, wherein electricity
Change of properties is the variation of capacitance.
In wherein a kind of embodiment, in the step 1, In4Sn3O12The preparation of material specifically includes：Molar concentration
The isometric mixed dissolution of 2 ethyl hexanoic acid tin that Indium Tris acetylacetonate and molar concentration for 0.45 are 0.45 is in toluene and dimethylbenzene
Mixed solvent In is prepared by the method for pyrolysis in the atmosphere of oxygen4Sn3O12Material.Also, this mode is
A kind of explanation of preferred embodiments, however, it is not limited to this.It in carrying out the present invention, can be according to preparation In4Sn3O12Material and select
Select other raw materials and synthetic method.
In wherein a kind of embodiment, in the step 2, between the transmission device and the gas detecting system
It is additionally provided with gas suction pump, the outlet of the gas suction pump is correspondingly arranged with multiple gas access apertures, the gas suction
Pump is connect with microcontroller to realize the automatic control suction of toxic gas formaldehyde.So that gas suction pump quickly extracts inlet and outlet automobile out
Toxic gas formaldehyde in foot pad makes it be detected with gas sensing layer haptoreaction, improves detection speed, also, this mode is only
It is a kind of explanation of preferred embodiments, however, it is not limited to this.In carrying out the present invention, it can be selected according to the demand of user
Other embodiments.
In wherein a kind of embodiment, the electrical property variation of the gas sensor of the electrical quality detecting device detection
For resistance, output work and/or capacitance variations.Also, this mode is a kind of explanation of preferred embodiments, but is not limited to
This.In carrying out the present invention, other electrical property variations can be selected to be detected according to the demand fast and easy of user,
It is preferred that carrying out the detection of resistance variations.
In wherein a kind of embodiment, in the step 1, it is provided in the gas sensor described in being used to fix
The fixed seat of gas sensing layer, the fixed seat are flexibly connected with gas sensing layer buckle, and the fixed gas sensing layer so that gas sensing layer is smart
Really alignment is transferred in and out a mouthful automatic foot-mat and is accurately detected, in addition, fixed seat is flexibly connected with gas sensing layer buckle, air-sensitive
Layer is detachable in gas sensor, is replaced convenient for gas sensing layer, easy to use.
Treatment scale described herein is the explanation for simplifying the present invention.To in the inlet and outlet automatic foot-mat of the present invention
The application of the online test method of toxic gas formaldehyde, modifications and variations are apparent to one skilled in the art
's.
As described above, according to the present invention, by containing In4Sn3O12The gas sensing layer of material contacts instead with toxic gas formaldehyde
It answers, the content of toxic gas formaldehyde is detected by detecting the variation of gas sensing layer electrical property, realize in inlet and outlet automatic foot-mat
The on-line quick detection of toxic gas formaldehyde, detection sensitivity are high；By the way that non-metallic material protective layer pair is arranged on gas sensing layer
Gas sensing layer plays a protective role, and avoids influence of other gases to gas sensing layer sensitivity；By in gas detecting system and commodity
Gas suction pump is provided between transmission device so that the formaldehyde gas in commodity is quickly acted on gas sensing layer, is improved toxic
The detection speed of gas；It is removable in gas sensor by gas sensing layer and on-metallic protective coating flexible connection and gas sensing layer
Connection is unloaded, is replaced convenient for gas sensing layer, it is easy to use, by the thickness ratio for controlling gas sensing layer and on-metallic protective coating so that non-gold
Belonging to protective layer not only can protect gas sensing layer from the interference of other gases, but also detected gas can be made quickly through nonmetallic
Protective layer and with gas sensing layer act on.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With.It can be applied to various suitable the field of the invention completely.It for those skilled in the art, can be easily
Realize other modification.Therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and embodiment shown and described herein.
Claims (5)
1. the online test method of toxic gas formaldehyde, includes the following steps in a kind of inlet and outlet automatic foot-mat：
Step 1: the preparation of gas sensor：The Indium Tris acetylacetonate and molar concentration that molar concentration is 0.45mol/L be
The isometric mixed dissolution of 2 ethyl hexanoic acid tin of 0.45mol/L leads in the mixed solvent of toluene and dimethylbenzene in the atmosphere of oxygen
In is prepared in the method for crossing pyrolysis4Sn3O12Material, to the In4Sn3O12Material is applied to base by flame spray pyrolysis method
The gas sensing layer that gas sensor is formed on material, is arranged non-metallic material protective layer, the non-metallic material on the gas sensing layer
Protective layer is located at the top of the gas sensing layer, and the gas sensing layer and the non-metallic material protective layer are combined as gas sensing
The component of device carries out assembling processing and forms gas sensor, wherein is provided with battle array on the panel of the non-metallic material protective layer
The multiple gas access apertures for arranging arrangement make detected gas enter the gas sensing layer, wherein institute by the gas access apertures
State the thickness ratio of gas sensing layer and the non-metallic material protective layer ranging from：5 ︰ (2~6)；
Step 2: connect the gas sensor forms gas detecting system with electrical quality detecting device and data processing system,
The gas detecting system is arranged in the top of the transmission device of inlet and outlet automatic foot-mat to detect the inlet and outlet automobile foot
Toxic gas formaldehyde in pad is additionally provided with gas suction pump between the transmission device and the gas detecting system, described
The outlet of gas suction pump is correspondingly arranged with multiple gas access apertures, and the gas suction pump is connect with microcontroller to have realized
The automatic control of poisonous gas formaldehyde is aspirated；
Wherein, the gas sensing layer of the gas sensor contacts generation instead with the toxic gas formaldehyde in the inlet and outlet automatic foot-mat
It answers, the electrical property of the gas sensor changes, and the electrical quality detecting device detects the electrical of the gas sensor
Qualitative changeization exports detection data to the data processing system, and the data processing system receives the electrical quality detecting device
Testing result carries out the content for the toxic gas formaldehyde that analyzing processing exports in the inlet and outlet automatic foot-mat.
2. importing and exporting the online test method of toxic gas formaldehyde in automatic foot-mat as described in claim 1, wherein described
In step 1, the gas sensing layer is to be flexibly connected with the non-metallic material protective layer, in order to the replacement of the gas sensing layer.
3. importing and exporting the online test method of toxic gas formaldehyde in automatic foot-mat as described in claim 1, wherein described
In step 2, the electrical property variation of the gas sensor of the electrical quality detecting device detection be resistance, output work and/or
Capacitance variations.
4. importing and exporting the online test method of toxic gas formaldehyde in automatic foot-mat as claimed in claim 3, wherein described
In step 2, the electrical property variation of the gas sensor of the electrical quality detecting device detection is resistance variations.
5. importing and exporting the online test method of toxic gas formaldehyde in automatic foot-mat as described in claim 1, wherein described
In step 1, the fixed seat for fixing the gas sensing layer, the fixed seat and the gas are provided in the gas sensor
Photosensitive layer buckle flexible connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510995399.6A CN105628740B (en) | 2015-12-26 | 2015-12-26 | Import and export the online test method of toxic gas formaldehyde in automatic foot-mat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510995399.6A CN105628740B (en) | 2015-12-26 | 2015-12-26 | Import and export the online test method of toxic gas formaldehyde in automatic foot-mat |
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| CN105628740A CN105628740A (en) | 2016-06-01 |
| CN105628740B true CN105628740B (en) | 2018-11-13 |
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| CN2226302Y (en) * | 1995-03-02 | 1996-05-01 | 中国科学院长春物理研究所 | Gas-sensitive sensor |
| EP1669747A1 (en) * | 2004-12-09 | 2006-06-14 | ETH Zürich | Formation of highly porous gas-sensing layers by deposition of nanoparticles produced by flame spray pyrolysis |
| CN101542276A (en) * | 2006-02-23 | 2009-09-23 | Sng国际公司 | Oxygen sensor with a protective layer |
| DE102010027070A1 (en) * | 2010-07-13 | 2012-01-19 | Eberhard-Karls-Universität Tübingen | Gas sensor and method for its production |
| CN201757743U (en) * | 2010-07-28 | 2011-03-09 | 金坛鸿鑫电子科技有限公司 | Platy vehicular oxygen sensor outputting wide-area standard signals |
| CN102680540B (en) * | 2012-06-07 | 2014-06-18 | 惠州市富济电子材料有限公司 | Formaldehyde gas-sensing material, corresponding formaldehyde gas-sensing element and preparation method of element |
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2015
- 2015-12-26 CN CN201510995399.6A patent/CN105628740B/en active Active
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| Function and applications of gas sensors;Dieter Kohl;《JOURNAL OF PHYSICS D: APPLIED PHYSICS》;20010918;第34卷;第R125–R149页 * |
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