CN105974069A - Auxiliary device and method for detecting volatile organic compounds of automotive tape - Google Patents
Auxiliary device and method for detecting volatile organic compounds of automotive tape Download PDFInfo
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- CN105974069A CN105974069A CN201610511415.4A CN201610511415A CN105974069A CN 105974069 A CN105974069 A CN 105974069A CN 201610511415 A CN201610511415 A CN 201610511415A CN 105974069 A CN105974069 A CN 105974069A
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- adhesive tape
- mesh
- auxiliary device
- volatile organic
- detection
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 238000005070 sampling Methods 0.000 claims abstract description 30
- 239000002390 adhesive tape Substances 0.000 claims description 68
- 239000007789 gas Substances 0.000 claims description 32
- 239000005416 organic matter Substances 0.000 claims description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 13
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 230000035699 permeability Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000011888 foil Substances 0.000 abstract 1
- 239000000383 hazardous chemical Substances 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 239000005030 aluminium foil Substances 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
- HORQAOAYAYGIBM-UHFFFAOYSA-N 2,4-dinitrophenylhydrazine Chemical compound NNC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O HORQAOAYAYGIBM-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- -1 alkenyl halide Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 150000005826 halohydrocarbons Chemical class 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides an auxiliary device and a method for detecting volatile organic compounds of an automotive tape. The auxiliary device is a mesh support frame for avoiding the adhesion of the tape and a sampling bag. During the detection process of the auxiliary devicefor detecting the volatile organic compounds of the automotive tape provided by the invention, the mesh support frame replaces an aluminum foil to play a role in supporting the tape, and avoids the adhesion of the tape and the sampling bag at the same time; on the other hand, due to the gas permeability of the mesh support frame, the volatile hazardous substances can be diffused fully, and the detecting result is more accurate.
Description
Technical field
The invention belongs to detection technique field, especially relate toA kind of automobile-used adhesive tape volatile organic matter detection auxiliary device and detection method。
Background technology
Volatile organic contaminant VOC (Volatile Organic Compounds, VOC), it is common that refer to the general name of the most readily volatilized organic substance, common are the materials such as formaldehyde, toluene and dimethylbenzene.Countries in the world are different to the definition of volatile organic matter, according to World Health Organization (WHO) (WHO, 1989) definition, VOC refers to that boiling spread is between 50～260 DEG C, under room temperature, saturated vapour pressure is more than 133.32Pa, the type organic being present in the most in vapour form in air.Alkanes, aromatic hydrocarbons, alkenes, halohydrocarbon, esters, aldehydes, ketone and other compounds 8 class can be further divided into by VOC chemical constitution.
VOC kind common in daily life has toluene, dimethylbenzene, o-dichlorobenzene, ethylbenzene, styrene, formaldehyde, acetaldehyde etc., and wherein benzene, toluene, alkenyl halide (trichloro ethylene, dichloroethylene) etc. are the most under a cloud or are defined as carcinogen.Owing to volatile harmful material is closely bound up with health,CountryFormulate part detection method and limit value counterweight point emission source has been supervised.
The source of volatile organic matter is mainly chemicals, chemical solvent, vehicle exhaust and burning waste gas.The production and selling units such as oil, chemical industry, gas station, all can distribute a large amount of VOC every day；The products such as paint used in everyday, adhesive, adhesive tape, owing to often containing the material such as benzene, toluene in solvent, also can distribute part VOC.
About the detection of VOC in car, the existing car load examination criteria HJ/T 400-2007 " volatile organic matter and aldoketones material sampling determination method in car " of current industry.First its regulation should be positioned over 25 DEG C ± 1.0 DEG C car load, opens wide car door and stands 6h, then will be kept air-tight state 16h by inspection vehicle, and proceed by sample collecting in 50% ± 10% humidity environment, and car load VOC detects signalFigure such as figure 1Shown in.Volatile organic constituents and the separately sampled 30min of aldoketones material, use gas chromatogram and GC-MS to test volatile organic constituents, uses high performance liquid chromatography that aldoketones material carries out detection and analyzes.
For the detection of parts assembly in car, Some Enterprises has formulated relevant criterion the most, generally uses sack method to detect, and structure of the detecting device is illustratedFigure such as figure 2Shown in.Sack, for be placed in sampler bag by parts assembly, is then positioned in calorstat, keeps certain time at a certain temperature by its principle, and then to gas-sample analysis in bag, gas analysis process is identical with car load.Also having formulated examination criteria ISO 12219-2Screening method for the determination of the emissions of volatile organic compounds from vehicle interior parts and materials Bag method for parts VOC detection in the world, the sack method that idiographic flow and domestic enterprise use is basically identical.
For the product such as seat, instrument board, before and after being assembled to car load, product VOC performance will not occur the biggest change, is directly placed in sack by product and carries out test and can truly reflect its VOC emission levels in car.For materials such as automobile-used adhesive tapes, it is directly placed into entire volume adhesive tape in sack to carry out detecting and is not inconsistent with its practical situations, tear it to be placed in sampler bag and easily stick together with sack again, therefore first detection adhesive tape VOC distribution performance must carry out necessary pre-treatment to it, but there is presently no the pre-treating method forming unified adhesive tape VOC detection the most both at home and abroad.Some Enterprises is by adhesive tape sticking to aluminium foil, aluminium foil is put in sack together with adhesive tape and detects, due to aluminium foil airtight, the only edge of aluminium foil and adhesive tape adhesion just can distribute a small amount of VOC, using common sack method to carry out detecting the Monitoring lower-cut being extremely difficult to aldoketones material, this method practicality is poor.
Summary of the invention
In view of this, it is contemplated that propose a kind of automobile-used adhesive tape volatile organic matter detection auxiliary device and detection method, to solve existing detection device employing aluminium foil, aluminium foil poor air permeability, can not detect the problem such as product VOC information and adhesive tape VOC detection sample support.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of automobile-used adhesive tape volatile organic matter detection auxiliary device, described auxiliary device is the mesh-supported frame avoiding adhesive tape with sampler bag adhesion.
Preferably, described mesh-supported frame by netted bonding plane (1) and is arranged on the support (2) at described netted bonding plane (1) two ends and forms.
Preferably, two described supports (2) are symmetrical arranged.
Preferably, described mesh-supported frame is one-body molded.
Further, described mesh-supported frame cross section is C-shaped or H type.Mesh-supported frame cross section is C-shaped or H type is only a kind of shape of mesh-supported frame, and other ventilative network structure played a supporting role in order to avoid adhesive tape and the adhesion of sampler bag fall within the protection category of this patent.
Further, described mesh-supported frame mesh wire diameter is not more than 1mm, and the mesh aperture of described mesh-supported frame is not less than 1cm but is less than the width of adhesive tape.
Further, netted bonding plane (1), support (2) are stainless steel cloth.
Further, described mesh-supported frame is two, and two described mesh-supported framves removably connect, and when two described networks connect, netted bonding plane (1) is affixed.
Further, two described mesh-supported framves snap connection.
The present invention also provides for a kind of automobile-used adhesive tape volatile organic compound detection device, the sampler bag (4) including constant temperature cabin (5), being arranged in described constant temperature cabin (5), the above-mentioned auxiliary device being arranged in described sampler bag (4), for described sampler bag (4) in carry out gas exchange gas exchange pump and in gathering described sampler bag (4) gas collector of gaseous sample.Described sampler bag (4) interior gas can be extracted out or be filled with object gas, such as nitrogen in described sampler bag (4) by gas exchange pump.
Preferably, described gas collector is included the sampling pump (9), the sampling valve (7) being arranged in described connecting tube (6) that are connected by connecting tube (6) with described sampler bag (4) and is arranged between described sampling valve (7) and sampling pump (9) and is provided with sampling tube (8).
Preferably, described sampling tube (8) is Tenax or DNPH pipe, and described connecting tube (6) is polyfluortetraethylene pipe (6).
The present invention also provides for a kind of method utilizing above-mentioned detection device to detect automobile-used adhesive tape volatile organic matter, comprises the steps:
S1: the adhesive tape monolayer of certain area is pasted on auxiliary device, cements；
S2: the adhesive tape handled well and auxiliary device are positioned in sampler bag (4), and seal；
S3: be filled with the pure nitrogen gas of its volume 30% by gas exchange pump to sampler bag (4), then with gas exchange pump, gas extracted out, in triplicate, be filled with the pure nitrogen gas of its volume 50% in sampler bag (4)；
S4: the sampler bag (4) after inflation is put into together with sample in bag in the constant temperature cabin (5) of uniform temperature, after placing certain time, sampler bag (4) internal gas is sampled；
S5: detection.
Further, in step S1, during detection adhesive tape, randomly select the adhesive tape not broken a seal, open the packaging of adhesive tape to be detected, several for outermost circles are removed；According to tape width, calculate tiling 100cm2Need the length of adhesive tape, and design its stickup scheme on auxiliary device；Then by adhesive tape sticking on auxiliary device；
During detection one-faced tapes, directly one-faced tapes is bonded on mesh-supported frame, it is ensured that it is 100cm that adhesive tape leaks area cruelly；
During detection two-sided tape, two-sided tape is bonded on a mesh-supported frame, tears release paper off, another mesh-supported frame is fitted on double faced adhesive tape, after cementing, two mesh-supported framves are fixed；Or during detection two-sided tape, select H type mesh-supported frame, two-sided tape is bonded on mesh-supported frame, tears release paper off；
In step S3,23 ± 2 DEG C, in sampler bag (4), be filled with the pure nitrogen gas of its volume 50% in the environment of relative humidity 50 ± 10%；
In step S4, the sampler bag (4) after inflation is put in 65 DEG C of constant temperature cabins (5) together with sample in bag, after placing 2h, gas collector, sampling are installed.
Preferably, opening the packaging of adhesive tape to be detected, outermost two is enclosed removing, otch is smooth.
Relative to prior art, automobile-used adhesive tape volatile organic matter of the present invention detection auxiliary device and detection method have the advantage that
During automobile-used adhesive tape volatile organic matter of the present invention detection auxiliary device detection, mesh-supported frame substitutes aluminium foil and serves the supporting role to adhesive tape, avoid the adhesion of adhesive tape and sampler bag simultaneously, on the other hand, breathability due to mesh-supported frame, volatile injurant mass-energy the most fully dissipates out, and testing result is more accurate.
On the one hand the method utilizing auxiliary device to detect automobile-used adhesive tape volatile organic matter of the present invention solves aluminium foil poor air permeability, can not detect the problems such as product VOC information, on the other hand, solve sample support problem during two-sided tape detection, use this method that enterprise can be helped to solve an automobile-used adhesive tape VOC detection sampling difficult problem.
Accompanying drawing explanation
Constitute the part of the present inventionAccompanying drawingBeing used for providing a further understanding of the present invention, the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.?In accompanying drawing:
Figure 1Illustrate for car load VOC structure of the detecting device in prior artFigure；
Figure 2Structural representation is detected for parts assembly VOC in car in prior artFigure；
Figure 3The main TV structure signal of auxiliary device is detected for the automobile-used adhesive tape volatile organic matter described in the embodiment of the present inventionFigure；
Figure 4The plan structure signal of auxiliary device is detected for the automobile-used adhesive tape volatile organic matter described in the embodiment of the present inventionFigure；
Figure 5The side-looking structural representation of auxiliary device is detected for the automobile-used adhesive tape volatile organic matter described in the embodiment of the present inventionFigure；
Figure 6The relevant object construction of auxiliary device is detected for the automobile-used adhesive tape volatile organic matter described in the embodiment of the present inventionFigure；
Figure 7For adhesive tape sticking is detected the structural representation on auxiliary device at the automobile-used adhesive tape volatile organic matter described in the embodiment of the present inventionFigure；
Figure 8For structural representation one-faced tapes being pasted on auxiliary device and being positioned in sampler bagFigure；
Figure 9For two-sided tape being pasted on auxiliary device the structural representation being positioned in sampler bagFigure。
Attached FigureDescription of symbols:
The netted bonding plane of 1-；2-support；3-one-faced tapes；4-sampler bag；5-constant temperature cabin；6-connecting tube；7-sampling valve；8-sampling tube；9-sampling pump；10-two-sided tape.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can be mutually combined.
At thisInventionDescription in, it is to be appreciated that term " " center ", " longitudinally ", " laterally ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based onAccompanying drawing instituteThe orientation shown or position relationship, be for only for ease of description originallyInventionWith simplify describe rather than instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to thisInventionRestriction.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood by concrete condition.
Below with reference toAccompanying drawingAnd describe the present invention in detail in conjunction with the embodiments.
Embodiment 1
The embodiment of the present invention 1 provides a kind of automobile-used adhesive tape volatile organic matter to detect auxiliary device,Such as figure 3-8Shown in, auxiliary device is mesh-supported frame, mesh-supported frame is by netted bonding plane 1 and is arranged on the symmetrically arranged support in netted bonding plane 1 two ends 2 and forms, in the present embodiment, mesh-supported frame cross section is C-shaped, and netted bonding plane 1, support 2 are stainless steel cloth, and mesh-supported frame mesh wire diameter is 0.5mm, the mesh aperture of mesh-supported frame is 1.5cm, and the specification of netted bonding plane 1 is 15cm*15cm.
Utilize the automobile-used adhesive tape volatile organic matter provided in the present embodiment detection auxiliary device that one-faced tapes VOC is detected:
In this example, the width of adhesive tape is 5cm, two can be divided into paste respectively, every 10cm；
During stickup, outermost on one-faced tapes two is enclosed adhesive tape and wipes out, it is ensured that sheared edge smooth, then one-faced tapes 3 is uniformly pasted on the netted bonding plane 1 of auxiliary device,Such as figure 7Shown in, two one-faced tapes 3 are individually pasted, and should not have cross section；Then the one-faced tapes 3 handled well and auxiliary device are positioned in sampler bag 4, and seal, the pure nitrogen gas of its volume 30% it is filled with to sampler bag 4, then with gas exchange pump, gas is extracted out, in triplicate, 23 ± 2 DEG C, in sampler bag 4, be filled with the pure nitrogen gas of its volume 50% under the standard environment of relative humidity 50 ± 10%.Being put into together with sample in bag by sampler bag 4 after inflation in the constant temperature cabin 5 of constant temperature to 65 DEG C, in the present embodiment, constant temperature cabin 5 be baking oven, after placement 2h according toFigure 8Shown installation gas collector, gas collector is included the sampling pump 9, the sampling valve 7 being arranged in connecting tube 6 that are connected by connecting tube 6 with sampler bag 4 and is arranged between sampling valve 7 and sampling pump 9 and is provided with sampling tube 8, internal gas is sampled work, and concrete sampling flowsheet detects sampling flowsheet with other parts sack methods.In the present embodiment, sampling tube 8 is Tenax or DNPH pipe, and connecting tube 6 is polyfluortetraethylene pipe 6.
Embodiment 2
The embodiment of the present invention 2 provides a kind of automobile-used adhesive tape volatile organic matter to detect auxiliary device, the present embodiment middle auxiliary device is two mesh-supported framves as different from Example 1, mesh-supported frame is by netted bonding plane 1 and is arranged on the symmetrically arranged support in netted bonding plane 1 two ends 2 and forms, two mesh-supported framves removably connect, when two networks connect, netted bonding plane 1 is affixed, and in the present embodiment 2, two mesh-supported framves snap connection.In the present embodiment, mesh-supported frame cross section is C-shaped, and netted bonding plane 1, support 2 are stainless steel cloth, and mesh-supported frame mesh wire diameter is 1mm, and the mesh aperture of mesh-supported frame is 1.5cm, and the specification of netted bonding plane 1 is 15cm*15cm.
Utilize the automobile-used adhesive tape volatile organic matter provided in the present embodiment detection auxiliary device that two-sided tape VOC is detected:
First outermost on two-sided tape two is enclosed adhesive tape to wipe out, it is ensured that sheared edge is smooth, design suitable bonding method according to tape width；As figure 9, two-sided tape 10 is pasted on a mesh-supported frame, then tears release paper off；Two-sided tape 10 one side bonding area on a mesh-supported frame meets 100cm2After, tear release paper off, another mesh-supported frame is fitted on double faced adhesive tape, after cementing, by fixed by snap for two mesh-supported framves.Two-sided tape 10 is between two mesh-supported framves, specificallySuch as figure 9Shown in.The two-sided tape 10 of two mesh-supported framves and centre is together positioned in sampler bag 4, and seal, the pure nitrogen gas of its volume 30% it is filled with in bag, then with gas exchange pump, gas is extracted out, in triplicate, 23 ± 2 DEG C, in sampler bag 4, be filled with the pure nitrogen gas of its volume 50% under the standard environment of relative humidity 50 ± 10%.Sampler bag 4 after inflation is put into together with sample in bag in the baking oven of constant temperature to 65 DEG C, place after 2h according toFigure 9Shown installation gas collector, gas collector is included the sampling pump 9, the sampling valve 7 being arranged in connecting tube 6 that are connected by connecting tube 6 with sampler bag 4 and is arranged between sampling valve 7 and sampling pump 9 and is provided with sampling tube 8, internal gas is sampled work, and concrete sampling flowsheet refers to enterprise's other parts sack methods detection sampling flowsheet.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is exemplary, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (10)
1. an automobile-used adhesive tape volatile organic matter detection auxiliary device, it is characterised in that: described auxiliary
Device is the mesh-supported frame avoiding adhesive tape with sampler bag adhesion.
Automobile-used adhesive tape volatile organic matter the most according to claim 1 detection auxiliary device, it is special
Levy and be: described mesh-supported frame is by netted bonding plane (1) and is arranged on described netted bonding plane (1)
Support (2) composition at two ends.
Automobile-used adhesive tape volatile organic matter the most according to claim 2 detection auxiliary device, it is special
Levy and be: described mesh-supported frame cross section is C-shaped or H type.
Automobile-used adhesive tape volatile organic matter the most according to claim 3 detection auxiliary device, it is special
Levy and be: described mesh-supported frame mesh wire diameter is not more than 1mm, the mesh hole of described mesh-supported frame
Footpath is not less than 1cm.
Automobile-used adhesive tape volatile organic matter the most according to claim 2 detection auxiliary device, it is special
Levy and be: netted bonding plane (1), support (2) are stainless steel cloth.
Automobile-used adhesive tape volatile organic matter the most according to claim 2 detection auxiliary device, it is special
Levying and be: described mesh-supported frame is two, two described mesh-supported framves removably connect, two institutes
State netted bonding plane (1) when network connects to be affixed.
Automobile-used adhesive tape volatile organic matter the most according to claim 6 detection auxiliary device, it is special
Levy and be: two described mesh-supported framves snap connection.
8. an automobile-used adhesive tape volatile organic compound detection device, it is characterised in that: include constant temperature cabin (5),
It is arranged on the sampler bag (4) in described constant temperature cabin (5), is arranged on the interior such as power of described sampler bag (4)
Profit requires the auxiliary device described in any one of 1-7, for carrying out gas friendship in described sampler bag (4)
The gas exchange pump that changes and in gathering described sampler bag (4) gas collector of gaseous sample.
9. utilize the method that the detection device described in claim 8 detects automobile-used adhesive tape volatile organic matter,
It is characterized in that: comprise the steps:
S1: the adhesive tape monolayer of certain area is pasted on auxiliary device, cements；
S2: the adhesive tape handled well and auxiliary device are positioned in sampler bag (4), and seal；
S3: be filled with the pure nitrogen gas of its volume 30% by gas exchange pump to sampler bag (4), then use
Gas is extracted out by gas exchange pump, in triplicate, is filled with the pure of its volume 50% in sampler bag (4)
Nitrogen；
S4: the sampler bag (4) after inflation is put into together with sample in bag the constant temperature cabin (5) of uniform temperature
In, after placing certain time, sampler bag (4) internal gas is sampled；
S5: detection.
The method of detection the most according to claim 9 automobile-used adhesive tape volatile organic matter, its feature
It is: in step S1, during detection adhesive tape, randomly selects the adhesive tape not broken a seal, open adhesive tape to be detected
Packaging, by a few for outermost circle remove；According to tape width, calculate tiling 100cm2Need adhesive tape
Length, and design its stickup scheme on auxiliary device；Then by adhesive tape sticking on auxiliary device；
During detection one-faced tapes, directly one-faced tapes is bonded on mesh-supported frame, it is ensured that adhesive tape leaks face cruelly
Amass as 100cm；
During detection two-sided tape, two-sided tape is bonded on a mesh-supported frame, tears release paper off, will
Another mesh-supported frame is fitted on double faced adhesive tape, after cementing, is fixed by two mesh-supported framves；Or
During detection two-sided tape, select H type mesh-supported frame, two-sided tape is bonded on mesh-supported frame, tears
Go release paper；
In step S3,23 ± 2 DEG C, in the environment of relative humidity 50 ± 10% in sampler bag (4)
It is filled with the pure nitrogen gas of its volume 50%；
In step S4, the sampler bag (4) after inflation is put into 65 DEG C of constant temperature cabins together with sample in bag
(5), in, after placing 2h, gas collector, sampling are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610511415.4A CN105974069B (en) | 2016-07-01 | 2016-07-01 | A kind of automobile-used adhesive tape volatile organic matter detection auxiliary device and detection method |
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Cited By (2)
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| CN110261516A (en) * | 2019-07-30 | 2019-09-20 | 安徽江淮汽车集团股份有限公司 | A kind of vehicle glass sealant volatile organic matter sample preparation device and detection method |
| CN112595559A (en) * | 2020-12-04 | 2021-04-02 | 广东省测试分析研究所（中国广州分析测试中心） | Universal vehicle material volatile organic compound sampling system and detection method |
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| CN105974069B (en) | 2018-08-03 |
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