CN107796918A - Automotive interior material VOC detection means - Google Patents
Automotive interior material VOC detection means Download PDFInfo
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- CN107796918A CN107796918A CN201710952808.3A CN201710952808A CN107796918A CN 107796918 A CN107796918 A CN 107796918A CN 201710952808 A CN201710952808 A CN 201710952808A CN 107796918 A CN107796918 A CN 107796918A
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- pair
- rod
- sampler bag
- interior material
- automotive interior
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- 239000000463 material Substances 0.000 title claims abstract description 51
- 238000001514 detection method Methods 0.000 title claims abstract description 45
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000000523 sample Substances 0.000 claims abstract description 41
- 230000032683 aging Effects 0.000 claims abstract description 39
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 32
- 238000005086 pumping Methods 0.000 claims abstract description 20
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 230000035515 penetration Effects 0.000 claims description 11
- HORQAOAYAYGIBM-UHFFFAOYSA-N 2,4-dinitrophenylhydrazine Chemical compound NNC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O HORQAOAYAYGIBM-UHFFFAOYSA-N 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 239000012855 volatile organic compound Substances 0.000 description 46
- 239000007789 gas Substances 0.000 description 12
- 239000002184 metal Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 229920002620 polyvinyl fluoride Polymers 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008693 nausea Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 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
-
- 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
-
- 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
- G01N33/0078—Testing material properties on manufactured objects
- G01N33/0083—Vehicle parts
-
- 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
- G01N2001/2244—Exhaled gas, e.g. alcohol detecting
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of automotive interior material VOC detection means, including：Aging cabin；Be open the support slot that the top surface towards aging cabin is set；Sampler bag is packaged in the outside of support slot, and the side wall that a pair of first bodies of rod and a pair of second bodies of rod extend through sampler bag stretches out and is arranged on lifting assembly；One end of tubular injection port is connected in a side wall of sampler bag；A pair of first resilient bezels are separately positioned on a bottom surface and the joining place of a top surface and one side；The both ends of multiple multi links, which are respectively articulated with, to be arranged in a pair of first resilient bezels；A pair of probe tubes, nitrogen blanketing valve and vacuum-pumping tube are respectively communicated to the cavity of a pair of first bodies of rod and a pair of second bodies of rod.The sampler bag that is vacantly set in aging cabin of the present invention can ensure that automotive interior material is heated evenly in VOC detection process, and VOC diffusion effects are closer to truth so that VOC testing results are more accurate.
Description
Technical field
The present invention relates to VOC detection technique fields, more particularly to a kind of automotive interior material VOC detection means.
Background technology
Harm of the volatile organic matter that automobile distributes to people is very big, when the VOC in car reaches finite concentration, the short time
Interior people can feel headache, nausea etc., and twitch occurs when serious, and can hurt liver, kidney, brain and the nerveous system of people
System.VOC is VOC (volatile organic compounds) english abbreviation.On common meaning
VOC is exactly to refer to volatile organic matter；But the definition on environment protection significance refers to active a kind of volatile organic matter, i.e., can produce
That a kind of volatile organic matter of harm.
It is exactly that a VOC detects the VOC sampler bags used, VOC samplings that conventional pocket type method VOC detection means is actually upper
Bag is made up of polyvinyl fluoride (PVF) film.The material has excellent chemical resistance, antilysis and resistance tocrocking, resistance to strong
Sour highly basic.Meanwhile using high temperature resistant SNS sealing strips and teflon material valve, automotive interior material or parts are put into and adopted
In sample bag, sampler bag is put into environmental aging cabin, by heat ageing, automotive interior material is gathered or parts discharges
VOC.In the process, often sampler bag is directly placed on the metal support body in environmental aging cabin, automotive interior material or
Parts push down fractional-sample bag, so may result in automotive interior material or parts uneven heating and part VOC release by
Resistance, cause the inaccuracy of testing result；In addition, the VOC sampler bags that conventional pocket type method VOC detections use are generally rectangular
Polyvinyl fluoride (PVF) film plastic pocket, when inflating inadequate, shape is not easy control, on automotive interior material or parts
The part bag body of side even can be covered in automotive interior material or component surface, also result in automotive interior material or zero
Part uneven heating and part VOC releases are obstructed, and cause the inaccuracy of testing result；And in the automobile for being configured with glue or adhesive tape class
When interior material or parts are put into above-mentioned VOC sampler bags, above-mentioned glue or adhesive tape can be also easily adhered in VOC sampler bags
On, therefore the secondary use of VOC sampler bags can be influenceed, cause the economic loss that enterprise is unnecessary.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of automotive interior material VOC detection means, vacantly set in aging cabin
The sampler bag put can ensure that automotive interior material is heated evenly in VOC detection process, and VOC diffusion effects are closer to true
Situation so that VOC testing results are more accurate；And in detection process, will not contamination sampling bag, can be achieved sampler bag multiple weight
It is multiple to utilize, effectively reduce testing cost.
In order to realize according to object of the present invention and further advantage, there is provided a kind of automotive interior material VOC detections
Device, including：
Aging cabin, it is closed in space's structure, and the aging cabin includes heater；
Support, it includes support slot, and it is the wire netting of an arc, and the opening of the support slot is towards the aging cabin
Top surface is set, and the both ends of the support slot are arranged in the aging cabin by the way that lifting assembly is liftable, and the support
The both ends of groove are connected on the lifting assembly of the left and right sides by a pair of first bodies of rod and a pair of second bodies of rod respectively；Multiple hemisphere
Shape is raised, and its dispersed opens is arranged on the upper surface of the support slot；
Sampler bag, it has a top surface, a bottom surface and a side wall, and the sampler bag is packaged in the outside of the support slot,
The radian of one top surface of the sampler bag and the radian and the support slot of a bottom surface is adapted, a pair of first bodies of rod and a pair
The side wall that bipole body extends through the sampler bag stretches out setting, and a pair of first bodies of rod and a pair of second bodies of rod and institute
State the penetration sealed set of a side wall of sampler bag；Tubular injection port, its one end are connected in the side wall of the sampler bag, separately
The opening in one end to aging cabin is extended；A pair of first resilient bezels, it is separately positioned on a bottom surface and a top
Face and the outside of the joining place of the one side；Multiple multi links, its both ends, which is respectively articulated with, is arranged on the pair of first elasticity
On frame, and the be hinged setting of multiple 3rd bodies of rod head and the tail of any one multi link, the spread length of any one multi link and described one
The height of side wall is adapted；
A pair of probe tubes, its one end intracavity inter-connection with the pair of first body of rod, and connectivity part is positioned at described respectively
The outside of sampler bag；The other end of the pair of probe tube is extended out of my cabin to aging；A pair of air inlets, it is opened in respectively
In the side wall of the pair of first body of rod, the intracavity inter-connection with the pair of first body of rod, and the pair of air inlet is located at
The inner side of the sampler bag；Filter, set just in a pair of probe tubes
Nitrogen blanketing valve, its one end is communicated to the inner chamber of any second body of rod, and connectivity part is located at the outside of the sampler bag；Institute
The other end for stating nitrogen blanketing valve is extended out of my cabin to the aging；First outlet, it is opened in the side wall of any second body of rod,
With the intracavity inter-connection of any second body of rod, and the first outlet is located at the inner side of the sampler bag；
Vacuum-pumping tube, its one end is communicated to the inner chamber of another second body of rod, and connectivity part is located at the outside of the sampler bag；
The other end of the vacuum-pumping tube is extended out of my cabin to the aging；Second outlet, it is opened in the side of another second body of rod
On wall, the intracavity inter-connection with another second body of rod, and the second outlet is located at the inner side of the sampler bag；
Wherein, magnetic valve is respectively arranged with the pair of probe tube, the nitrogen blanketing valve and the vacuum-pumping tube, and it is described
A pair of probe tubes, the nitrogen blanketing valve and the vacuum-pumping tube are elastic hose.
Preferably, the cross section of the sampler bag is circular, ellipse or polygon.
Preferably, the volume of the sampler bag is 20L-2000L.
Preferably, the other end of a pair of probe tubes is respectively communicated to TENAX-TA trap tubes and TVOC DNPH trap tubes；
The nitrogen blanketing valve other end is communicated to external source nitrogen；The other end of the vacuum-pumping tube is communicated to vavuum pump.
Preferably, in addition to：Humidifier, it is communicated to nitrogen blanketing valve by humidifier tube；Humidity sensor, it is arranged on institute
State on support slot；Controller, it is electrically connected with the temperature sensor and the humidifier respectively.
Preferably, in addition to：At least one second resilient bezel, it is set in the outside of a side wall, and it is described extremely
Few second resilient bezel is not connected with the multiple multi link.
Preferably, the temperature range of the heater is 10-100 DEG C.
Preferably, the beeline of the penetration and a top surface is L, the penetration and a bottom surface
Beeline is D, and L:D≥2:1, and the length of any 3rd body of rod is D.
Preferably, the length of tubular injection port is A, and the height of the sampler bag is B, and A:B≤3:2.
Preferably, the lifting assembly is at least one pair of multistage retractable rod, and the lower end of at least one pair of multistage retractable rod
It is fixed on the base with wheel body.
The present invention comprises at least following beneficial effect：
Aging cabin is additionally provided with heat-insulation layer, air cleaner etc. except having heating function, ensures to be filled with cleaning in aging cabin
Air；Support slot is detected for carrying sample so that sample bottom will not be pressed on the madial wall of sampler bag, cause to influence
The degree of being heated evenly and part VOC of sample smoothly outwards distribute；Multiple hemisphericals are convex to hold up automotive interior material, to the greatest extent
Amount reduces its contact area with wire netting, reserves enough gaps, allows the VOC of sample surfaces smoothly outwards to distribute, and ensures detection
As a result accuracy；In actual use, multiple hemisphere juts could be arranged to multiple metal hemispheres or semiellipse spheroid, and
And polytetrafluoroethylene (PTFE) is covered in the upper surface of wire netting and multiple metal hemispheres or semiellipse spherome surface, effectively completely cut off metal
Online surface, multiple metal hemispheres or semiellipse spheroid influence testing result directly to sample heat conduction；According to actually detected need
Will, the distance for setting two neighboring hemispherical projections is 1-20cm；To adapt to a variety of detection needs.
The tubular injection port of sampler bag facilitates sample introduction and encapsulation process, ensures that sampler bag sealing is air tight, and tubular sample introduction
The length of mouth can meet being used repeatedly for sampler bag, effectively reduce enterprise's testing cost；In actual use, can also pass through
Tubular injection port expands the gas volume of sampler bag, meets the detection needs of several samples.A pair of first bodies of rod and a pair second
The body of rod extends through the penetration of a side wall of the sampler bag, and the part the of both sides can be connected by the valve of teflon material
One body of rod or the body of rod of part second, a pair of first bodies of rod and a pair of second bodies of rod not only act as the effect of fixed support slot, also make
It is compact-sized for gas pipeline input or output gas, it is easy to use, can be by the nitrogen blanketing valve that configures and air inlet to sampler bag
Nitrogen is inside filled with, VOC content in the gas in separately sampled detection sampler bag is either carried out by a pair of probe tubes or is passed through
Vacuum-pumping tube carries out vacuum pumping.
On total, the present invention can ensure that automotive interior material is heated evenly in VOC detection process, and VOC diffusion effects are more
Close to truth so that VOC testing results are more accurate.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the perspective structure schematic diagram of automotive interior material VOC detection means of the present invention；
Fig. 2 is the cross-sectional view of sampler bag described in one embodiment of the invention；
Fig. 3 is the cross-sectional view of sampler bag described in another embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of individual other elements or its combination.
As shown in Figure 1, 2, the present invention provides a kind of automotive interior material VOC detection means, including：Aging cabin 10, it is
One closed in space's structure, the aging cabin include heater；Support, it includes support slot 20, and it is the wire netting of an arc,
The opening of the support slot is set towards the top surface in the aging cabin, and the both ends of the support slot pass through lifting assembly liftable
Be arranged in the aging cabin, and the both ends of the support slot pass through a pair of first bodies of rod respectively and a pair second bodies of rod connect
To the lifting assembly of the left and right sides；Multiple hemispherical projections 201, its is dispersed to open the upper surface for being arranged on the support slot
On；Sampler bag 30, it has a top surface, a bottom surface and a side wall, and the sampler bag is packaged in the outside of the support slot, described
The radian of one top surface of sampler bag and the radian and the support slot of a bottom surface is adapted, a pair of first bodies of rod 301 and a pair
The side wall that bipole body 302 extends through the sampler bag stretches out setting, and a pair of first bodies of rod and a pair of second bodies of rod
With the penetration sealed set of a side wall of the sampler bag；Tubular injection port 303, its one end are connected to the side of the sampler bag
On wall, the other end is extended to the opening in aging cabin；A pair of first resilient bezels 304, it is separately positioned on a bottom surface
With the outside of a top surface and the joining place of the one side；Multiple multi links 305, its both ends be respectively articulated be arranged on it is described
In a pair of first resilient bezels, and the be hinged setting of multiple 3rd bodies of rod head and the tail of any one multi link, the stretching, extension of any one multi link
The height of length and a side wall is adapted；A pair of probe tubes 40, its one end inner chamber with the pair of first body of rod respectively
It is connected, and connectivity part is located at the outside of the sampler bag；The other end of the pair of probe tube is extended out of my cabin to aging；
A pair of air inlets, it is opened in the side wall of the pair of first body of rod respectively, is connected with the inner chamber of the pair of first body of rod
It is logical, and the pair of air inlet is located at the inner side of the sampler bag；
Nitrogen blanketing valve 50, its one end is communicated to the inner chamber of any second body of rod, and connectivity part is located at the outside of the sampler bag；
The other end of the nitrogen blanketing valve is extended out of my cabin to the aging；First outlet, it is opened in the side wall of any second body of rod
On, the intracavity inter-connection with any second body of rod, and the first outlet is located at the inner side of the sampler bag；
Vacuum-pumping tube 60, its one end is communicated to the inner chamber of another second body of rod, and connectivity part is located at the outer of the sampler bag
Side；The other end of the vacuum-pumping tube is extended out of my cabin to the aging；Second outlet, it is opened in another second body of rod
In side wall, the intracavity inter-connection with another second body of rod, and the second outlet is located at the inner side of the sampler bag；
Wherein, magnetic valve 70, and institute are respectively arranged with the pair of probe tube, the nitrogen blanketing valve and the vacuum-pumping tube
It is elastic hose to state a pair of probe tubes, the nitrogen blanketing valve and the vacuum-pumping tube.
Aging cabin is additionally provided with heat-insulation layer, air cleaner etc. except having heating function, ensures to be filled with cleaning in aging cabin
Air；Support slot is detected for carrying sample so that sample bottom will not be pressed on the madial wall of sampler bag, cause to influence
The degree of being heated evenly and part VOC of sample smoothly outwards distribute；Multiple hemisphericals are convex can be by the support of automotive interior material 100
Rise, reduce its contact area with wire netting as far as possible, reserve enough gaps, allow the VOC of sample surfaces smoothly outwards to distribute, ensure
The accuracy of testing result；In actual use, multiple hemisphere juts could be arranged to multiple metal hemispheres or semiellipse ball
Body, and polytetrafluoroethylene film is covered in the upper surface of wire netting and multiple metal hemispheres or semiellipse spherome surface, have
Effect isolation wire netting upper surface, multiple metal hemispheres or semiellipse spheroid influence testing result directly to sample heat conduction；According to
Actually detected needs, the distance for setting two neighboring hemispherical projections are 1-20cm；To adapt to a variety of automotive interior materials
Detection need.
The tubular injection port of sampler bag facilitates sample introduction and encapsulation process, ensures that sampler bag sealing is air tight, and tubular sample introduction
The length of mouth can meet being used repeatedly for sampler bag, effectively reduce enterprise's testing cost；In actual use, can also pass through
Tubular injection port expands the gas volume of sampler bag, meets the detection needs of several samples.A pair of first bodies of rod and a pair second
The body of rod extends through the penetration of a side wall of the sampler bag, and the part the of both sides can be connected by the valve of teflon material
One body of rod or the body of rod of part second, a pair of first bodies of rod and a pair of second bodies of rod not only act as the effect of fixed support slot, also make
It is compact-sized for gas pipeline input or output gas, it is easy to use, can be by the nitrogen blanketing valve that configures and air inlet to sampler bag
Nitrogen is inside filled with, VOC content in the gas in separately sampled detection sampler bag is either carried out by a pair of probe tubes or is passed through
Vacuum-pumping tube carries out vacuum pumping.
By said apparatus detect sample process be：
1) appropriate sampler bag is selected according to the size of automotive interior material；2) support slot that sample is placed in sampler bag
In, seal sampler bag；
3) sampler bag is vacuumized by vacuum tube；
4) its volume 30-50% nitrogen is filled with into sampler bag, then gas is taken out into extraction；
5) its volume 30-50% nitrogen is accurately added into sampler bag again and simulated air humidity carries out humidification process,
Record the nitrogen amount being filled with；
6) a blank sampler bag separately is taken, does not put automotive interior material, repeat step 3) -5) compareed as detection；
7) by two sampler bags, flying shore carries out 65 DEG C of culture 2h ± 5min in same aging cabin simultaneously；
8) after culture terminates, rock sampler bag and make it that wherein gas mixing is uniform, trap gas by a pair of probe tubes afterwards
Body simultaneously carries out VOC detections.
As shown in Figure 1, 2, in automotive interior material VOC detection means, the cross section of the sampler bag is circular, ellipse
Or polygon.Sampler bag of different shapes is used according to the given shape of automotive interior material, meets a variety of automotive interior materials
Detection need.
As shown in Figure 1, 2, in automotive interior material VOC detection means, the volume of the sampler bag is 20L-2000L.
As shown in figure 1, in automotive interior material VOC detection means, the other end of a pair of probe tubes is respectively communicated to
TENAX-TA trap tubes 401 and TVOC DNPH trap tubes 402；The nitrogen blanketing valve other end is communicated to external source nitrogen 501；Institute
The other end for stating vacuum-pumping tube is communicated to vavuum pump 601.TENAX-TA trap tubes be used for detect benzene, styrene, ethylbenzene, toluene or
Dimethylbenzene；TVOC DNPH trap tubes are used to detect formaldehyde, acetaldehyde, methacrylaldehyde or acetone.In order to facilitate intake-gas, TENAX-
TA trap tubes and TVOC DNPH trap tubes rear end are typically arranged with pump 403.
As shown in figure 1, also include in automotive interior material VOC detection means：Humidifier 80, it is communicated to by humidifier tube
Nitrogen blanketing valve；Humidity sensor, it is arranged on the support slot；Controller, its respectively with the temperature sensor and it is described plus
Wet device electrical connection.The nitrogen humidity that can be manually set by controller in sampler bag, more preferable simulated air environment, ensure inspection
Result is surveyed closer to truth.
As shown in figure 3, also include in automotive interior material VOC detection means：At least one second resilient bezel 306, its set
The outside of a side wall is located at, and at least one second resilient bezel is not connected with the multiple multi link.At least one
Individual second resilient bezel is used to support a side wall of the sampler bag, it is kept certain shape, will not transition into sampler bag
Fold, influence Detection results.
In automotive interior material VOC detection means, the temperature range of the heater is 10-100 DEG C.
As shown in Figure 1, 2, in automotive interior material VOC detection means, the most short distance of the penetration and a top surface
From for L, the beeline of the penetration and a bottom surface is D, and L:D≥2:1, and the length of any 3rd body of rod is D.
After nitrogen is filled with sample strip, due to L:D≥2:1, nitrogen can jack up a top surface upwards, it is protected with automotive interior material
Certain distance is held, and a bottom surface will not also be in contact with the bottom surface of support slot, ensure that sample (automotive interior material) is heated
Uniformly.
In automotive interior material VOC detection means, the length of tubular injection port is A, and the height of the sampler bag is B, and
A:B≤3:2。
As shown in figure 1, in automotive interior material VOC detection means, the lifting assembly 90 is at least one pair of multi-stage expansion
Bar 901, and the lower end of at least one pair of multistage retractable rod is fixed on the base 903 with wheel body 902.Can be with by lifting assembly
Sampler bag associated component is easily taken out into aging cabin, and according to the height of sampler bag and big minor adjustment at least one pair of multi-stage expansion
The flexible height of bar, meet that sampler bag is hanging all the time with respect to aging cabin, and generally within the center in aging cabin.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from specification and equivalency range, the present invention is not limited to
Specific details and shown here as the legend with description.
Claims (10)
- A kind of 1. automotive interior material VOC detection means, it is characterised in that including：Aging cabin, it is closed in space's structure, and the aging cabin includes heater；Support, it includes support slot, and it is the wire netting of an arc, the top surface of the opening of the support slot towards the aging cabin Set, and the both ends of the support slot are arranged in the aging cabin by the way that lifting assembly is liftable, and the support slot Both ends are connected on the lifting assembly of the left and right sides by a pair of first bodies of rod and a pair of second bodies of rod respectively；Multiple hemisphericals are convex Rise, its dispersed opens is arranged on the upper surface of the support slot；Sampler bag, it has a top surface, a bottom surface and a side wall, and the sampler bag is packaged in the outside of the support slot, described The radian of one top surface of sampler bag and the radian and the support slot of a bottom surface is adapted, a pair of first bodies of rod and a pair of second bars The side wall that body extends through the sampler bag stretches out setting, and a pair of first bodies of rod and a pair of second bodies of rod are adopted with described The penetration sealed set of one side wall of sample bag；Tubular injection port, its one end are connected in the side wall of the sampler bag, the other end Opening to aging cabin is extended；A pair of first resilient bezels, its be separately positioned on a bottom surface and a top surface with The outside of the joining place of the one side；Multiple multi links, its both ends, which is respectively articulated with, to be arranged in the pair of first resilient bezel, And the be hinged setting of multiple 3rd bodies of rod head and the tail of any one multi link, the spread length of any one multi link and a side wall Highly it is adapted；A pair of probe tubes, its one end intracavity inter-connection with the pair of first body of rod, and connectivity part is located at the sampling respectively The outside of bag；The other end of the pair of probe tube is extended out of my cabin to aging；A pair of air inlets, it is opened in described respectively In the side wall of a pair of first bodies of rod, the intracavity inter-connection with the pair of first body of rod, and the pair of air inlet is positioned at described The inner side of sampler bag；Nitrogen blanketing valve, its one end is communicated to the inner chamber of any second body of rod, and connectivity part is located at the outside of the sampler bag；It is described to fill The other end of nitrogen pipe is extended out of my cabin to the aging；First outlet, it is opened in the side wall of any second body of rod, with this The intracavity inter-connection of any second body of rod, and the first outlet is located at the inner side of the sampler bag；Vacuum-pumping tube, its one end is communicated to the inner chamber of another second body of rod, and connectivity part is located at the outside of the sampler bag；It is described The other end of vacuum-pumping tube is extended out of my cabin to the aging；Second outlet, it is opened in the side wall of another second body of rod, With the intracavity inter-connection of another second body of rod, and the second outlet is located at the inner side of the sampler bag；Wherein, magnetic valve is respectively arranged with the pair of probe tube, the nitrogen blanketing valve and the vacuum-pumping tube, and it is the pair of Probe tube, the nitrogen blanketing valve and the vacuum-pumping tube are elastic hose.
- 2. automotive interior material VOC detection means as claimed in claim 1, it is characterised in that the cross section of the sampler bag For circular, ellipse or polygon.
- 3. automotive interior material VOC detection means as claimed in claim 1, it is characterised in that the volume of the sampler bag is 20L-2000L。
- 4. automotive interior material VOC detection means as claimed in claim 1, it is characterised in that the other end of a pair of probe tubes It is respectively communicated to TENAX-TA trap tubes and TVOC DNPH trap tubes；The nitrogen blanketing valve other end is communicated to external source nitrogen；Institute The other end for stating vacuum-pumping tube is communicated to vavuum pump.
- 5. automotive interior material VOC detection means as claimed in claim 1, it is characterised in that also include：Humidifier, it is communicated to nitrogen blanketing valve by humidifier tube；Humidity sensor, it is arranged on the support slot；Controller, it is electrically connected with temperature sensor and humidifier respectively.
- 6. automotive interior material VOC detection means as claimed in claim 1, it is characterised in that also include：At least one second resilient bezel, it is set in the outside of a side wall, and at least one second resilient bezel not with The multiple multi link is connected.
- 7. automotive interior material VOC detection means as claimed in claim 1, it is characterised in that the temperature of the heater Scope is 10-100 DEG C.
- 8. automotive interior material VOC detection means as claimed in claim 1, it is characterised in that the penetration and described one The beeline of top surface is L, and the beeline of the penetration and a bottom surface is D, and L:D≥2:1, and any 3rd bar The length of body is D.
- 9. automotive interior material VOC detection means as claimed in claim 1, it is characterised in that the length of tubular injection port is A, the height of the sampler bag are B, and A:B≤3:2.
- 10. automotive interior material VOC detection means as claimed in claim 1, it is characterised in that the lifting assembly is at least A pair of multistage retractable rods, and the lower end of at least one pair of multistage retractable rod is fixed on the base with wheel body.
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| CN201710952808.3A CN107796918B (en) | 2017-10-13 | 2017-10-13 | Automotive interior material VOC detection device |
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| CN201710952808.3A CN107796918B (en) | 2017-10-13 | 2017-10-13 | Automotive interior material VOC detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109374362A (en) * | 2018-12-19 | 2019-02-22 | 杭州人安检测科技有限公司 | A kind of detection device and detection method of interior volatile contaminant |
| CN109406231A (en) * | 2018-12-18 | 2019-03-01 | 广州广电计量检测股份有限公司 | It is a kind of mist product in VOC measurement pretreating device and pre-treating method |
| 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 |
| CN117761262A (en) * | 2024-02-22 | 2024-03-26 | 暨南大学 | Box-type escape source volatile component controllable high-precision characterization system |
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| CN117761262B (en) * | 2024-02-22 | 2024-04-30 | 暨南大学 | Box-type escape source volatile component controllable high-precision characterization system |
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