CN105974068A - Detection system for formaldehyde and volatile organic compound (VOC) in upholstered furniture and material - Google Patents
Detection system for formaldehyde and volatile organic compound (VOC) in upholstered furniture and material Download PDFInfo
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- CN105974068A CN105974068A CN201610508704.9A CN201610508704A CN105974068A CN 105974068 A CN105974068 A CN 105974068A CN 201610508704 A CN201610508704 A CN 201610508704A CN 105974068 A CN105974068 A CN 105974068A
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- formaldehyde
- volatile organic
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 239000000463 material Substances 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 141
- 238000005070 sampling Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000011229 interlayer Substances 0.000 claims abstract description 7
- 239000005416 organic matter Substances 0.000 claims description 16
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000002250 absorbent Substances 0.000 claims description 6
- 229950000845 politef Drugs 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 103
- 230000007613 environmental effect Effects 0.000 abstract description 9
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- 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
- G01N33/0011—Sample conditioning
- G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure or temperature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a detection system for formaldehyde and a volatile organic compound (VOC) in upholstered furniture and a material. The detection system comprises a test cover, wherein the test cover is provided with gas inlet ports and a gas sampling port; a constant-temperature heating device is arranged in an interlayer of the test cover or in a test cavity formed between the interlayer of the test cover and a to-be-tested object; each gas inlet port of the test cover is connected with a clean gas supply device through a gas inlet pipe respectively; the clean gas supply device comprises a clean-gas gas source, a first switch valve and a gas compensating device, which are connected in sequence. By using the detection system for the formaldehyde and the VOC in the upholstered furniture and the material, not only can the release volume of volatile harmful gases of the formaldehyde, the VOC and the like, which volatilize from the to-be-tested object when a human body is simulated to be in a sleep state be detected, but also disturbing influences, which are caused by an environmental factor or other uncertain factors, on a test result can be avoided; the test stability is guaranteed; the test precision is improved.
Description
Technical field
The present invention relates to volatile organic matter test equipment technical field, more specifically, relate to one
Plant soft furniture and the formaldehyde of material and volatile organic compound detection system.
Background technology
Good sleep be unable to do without suitable mattress, and all kinds of bedding product cease with daily life
Manner of breathing closes.But the volatile harmful gas such as formaldehyde, volatile organic matter (VOC) present in mattress
If concentration exceed certain scope, then human body can be worked the mischief.Reasonably collect the first in mattress
The volatile harmful gas such as aldehyde, VOC is one of important step of detection technique.
The Chinese invention patent file of Application No. 201110363784.0 discloses a kind of mattress volatility
Collection and confinement of gases detector, it includes casing, control chamber, and wherein the bottom of casing is rectangular box body,
Top is bullet, and four sides of the cuboid of casing are provided with breather check valve, the bullet of casing
Top is provided with exhaust check valve, arranges persevering hot plate type constant temperature heating device in casing, long in casing
Cube be provided centrally with temperature sensor, casing is provided with control interface, by cable and control
Case connects.The simple in construction of this detector, easy and simple to handle, simulate people when sleep state in mattress
The virtual condition of volatile gas, but this detector has the following disadvantages:
(1) this detector is tested in common environment, the temperature of surrounding, humidity and
The environmental factors such as composition of air and concentration can produce impact to the precision of test；
(2), during test, the test casing of this detector is not in advance by dirt original in test box body
Dye air is discharged, and causes volatile harmful gas and the test boxs such as formaldehyde, VOC that mattress evaporates
Internal original contaminated air mixing, have impact on the precision of test；
(3) during sampling, after the exhaust check valve on the test casing of this detector is opened, test box
Internal gas can be discharged, and causes the pressure in test box body to reduce, the now air in surrounding
Pressure differential can enter in test box body, have impact on the precision of test.
Summary of the invention
It is an object of the invention to overcome drawbacks described above of the prior art, it is provided that one can either be to mould
The volatile harmful gases such as formaldehyde that anthropomorphic body volatilizes in testee when sleep state, VOC
Burst size detects, again it can be avoided that test result is caused by environmental factors or other uncertain factors
Interference effect thus improve the soft furniture of measuring accuracy and the formaldehyde of material and volatile organic matter
Detecting system.
For achieving the above object, the technical scheme that the present invention provides is as follows: a kind of soft furniture and material
Formaldehyde and volatile organic compound detection system, including the test cover for being located on testee,
The periphery of described test cover is provided with at least one air inlet, and described test cover is provided with gas sampling mouth,
In the test chamber body formed between the internal or described test cover of the interlayer of described test cover and testee
Being provided with constant temperature heating device, each air inlet of described test cover is respectively by air inlet pipe and clean gas
Feedway is connected, and described clean gas feedway includes clean gas source of the gas, the first switch valve
With gas compensation device, the outlet side of described clean gas source of the gas and the inlet end phase of gas compensation device
Connecting, described first switch valve is connected to the outlet side of clean gas source of the gas and entering of gas compensation device
Between gas end, the outlet side of described gas compensation device connects air inlet pipe.
As preferably, described gas compensation device is provided for storage and the benefit of release clean gas
Airbag.
As preferably, this system also includes one for providing the constant temperature and humidity cleaning of standard test environment
Cabin, described test cover is installed in the inside of described constant temperature and humidity clean cabin.
As preferably, at described gas sampling mouth, it is provided with the 3rd switch valve, described clean gas source of the gas
Outlet side and the inlet end of gas compensation device between be additionally provided with flow calorimeter, described gas compensation device
Outlet side and air inlet pipe between be additionally provided with second switch valve, the inwall of described test cover is provided with anti-absorption
Coating.
As preferably, described constant temperature heating device is set to by heat-conducting mode the gas in test cover
Heat conduction coil pipe that body uniformly heats or heater, described heat conduction coil pipe or heater are evenly distributed on test
In the inside interlayer of cover, the inside of described heat conduction coil pipe is provided with heat transfer medium, entering of described heat conduction coil pipe
Liquid mouth is connected with temperature control heat pump assembly by pipeline respectively with liquid outlet, thus forms heat pump constant temperature and follow
Loop systems.
As preferably, described heat conduction coil pipe is set to serpentine coil or shell and tube coil pipe.
As preferably, described constant temperature heating device is provided for simulating the thermostat of human body, described
Thermostat is placed in the test chamber body of test cover, is provided with thermostat in described thermostat, described
It is provided with temperature control calandria inside thermostat or is controlled constant temperature Jie of thermostat temperature by media flow
Matter；Described thermostat is solid structure and its outer surface is provided with anti-absorbent coating or outside cladding polytetrafluoro
Ethylene/fluoride, or described thermostat be politef/fluoride bag and its inside equipped with liquid
Thing.
As preferably, described test cover is stainless steel cage, and each corner of described test cover is circular arc
Or hypotenuse structure.
As preferably, described test cover is provided with mobile lifting device.
As preferably, described soft furniture and the formaldehyde of material and volatile organic compound detection system energy
Enough upright placements of placing or stand upside down, the below or above of described test cover is provided with for placing testee
Mattress support, when test cover is uprightly placed, described gas sampling mouth is positioned at the top of test cover,
When test cover stands upside down and places, described gas sampling mouth is positioned at the bottom of test cover.
Compared with prior art, the beneficial effects of the present invention is:
1, the present invention can control the opening/closing of beating of the first switch valve before testing, and passes through clean gas
Source of the gas and gas compensation device, toward being passed through the clean gas of standard in test cover, carry out gas washing to test cover
And gas displacement, it is to avoid environmental factors or the impact on test result of other uncertain factors, improve
Measuring accuracy.
2, clean gas can be filled with test cover in sampling process by the gas compensation device of the present invention
Inside realize gas volume to compensate, to prevent the dusty gas outside test cover from entering test because of pressure differential
Cover, it is to avoid environmental factors or the impact on test result of other uncertain factors, improves measuring accuracy.
3, the constant temperature and humidity that the invention provides a controllable temperature, relative humidity and background concn is clean
Clean cabin, test cover is installed in the inside of constant temperature and humidity clean cabin, provides one for mattress test and stablizes
Standard test environment, it is to avoid environmental factors or the impact on test result of other uncertain factors, carry
High measuring accuracy.
4, the present invention can either to simulation human body when sleep state, testee volatilize formaldehyde,
The burst size of the volatile harmful gases such as VOC detects, again it can be avoided that environmental factors or other not
Determine the interference effect that test result is caused by factor, it is ensured that the stability of test, improve test
Precision.
Accompanying drawing explanation
Fig. 1 is soft furniture of the present invention and the formaldehyde of material and volatile organic compound detection system
Structural representation；
Fig. 2 is soft furniture of the present invention and the formaldehyde of material and volatile organic compound detection system
Partial structurtes side view；
Fig. 3 is soft furniture of the present invention and the formaldehyde of material and volatile organic compound detection system
Another partial structurtes side view；
Fig. 4 is soft furniture of the present invention and the formaldehyde of material and volatile organic compound detection system
Partial structurtes side view during handstand.
And wave the formaldehyde of soft furniture of the present invention and material with embodiment below in conjunction with the accompanying drawings
The property sent out Organic substance detecting system is described further.
Detailed description of the invention
The following is soft furniture of the present invention and the formaldehyde of material and volatile organic matter detection is
The preferred example of system, the most therefore limits protection scope of the present invention.
Refer to Fig. 1 and Fig. 2, figure shows a kind of soft furniture and the formaldehyde of material and volatility
Organic substance detecting system, including for being located at testee (such as: mattress 20) enterprising circulation of qi promoting body examination
The test cover 1 tried, the constant temperature and humidity clean cabin 3 being used for providing standard test environment and clean gas supply
To device, test cover 1 is installed in the inside of constant temperature and humidity clean cabin 3, inside the interlayer of test cover 1
Or it is provided with constant temperature heating device, test cover in the test chamber body formed between test cover 1 and testee
The periphery of 1 is provided with at least one air inlet (such as: 4), and test cover 1 is provided with gas sampling mouth 2,
Each air inlet of test cover 1 is connected with clean gas feedway by air inlet pipe 4 respectively.
Wherein, test cover 1 is made up of metal material, and when being embodied as, test cover 1 is preferably arranged to
Stainless steel cage, each corner of test cover 1 is circular arc or hypotenuse structure, its surrounding one-way air inlet,
The size of test cover 1 can be preferably arranged to: a length of 1m, a width of 1m, a height of 0.3m.Certainly,
According to actual needs, the size of test cover 1 can also arbitrarily change.When test cover 1 is located at tested
During the appointment region of object, between inside and the testee of test cover 1, form a test cavity.
Additionally, the inwall of test cover 1 is provided with anti-absorbent coating, it is prevented from the inwall of test cover 1
Absorption volatile organic matter, improves measuring accuracy.
As preferred embodiment, the constant temperature heating device of test cover 1 is disposed through heat conduction
Heat conduction coil pipe 11 that gas in test cover 1 is uniformly heated by mode or heater, heat conduction coil pipe 11
Or heater is evenly distributed in the inside interlayer of test cover 1.As depicted in figs. 1 and 2, heat conducting disk
The inside of pipe 11 is provided with heat transfer medium (such as: water, oil etc.), the inlet of heat conduction coil pipe 11 and go out liquid
Mouth is connected with temperature control heat pump assembly 12 by pipeline 16 respectively, thus forms heat pump constant temperature circulating system
System.In the present embodiment, heat conduction coil pipe 11 is preferably arranged to serpentine coil or shell and tube coil pipe.Should
Test cover 1 uses heat transfer medium+coil pipe heat conduction technology to (i.e. in test chamber body) in test cover 1
Gas uniformly heats, and control accuracy is higher, more stable, and uniformity is more preferable.Additionally, test cover 1 leads to
Cross heat pump water-cycling mode the temperature (such as: 36 DEG C ± 1 DEG C) in test cover is controlled, it is possible to
Truly simulate body temperature.
As another preferred embodiment, as it is shown on figure 3, constant temperature heating device can also be arranged
For the thermostat 17 for simulating human body, thermostat 17 is placed in the test chamber body of test cover 1,
Thermostat is installed in thermostat 17, is provided with temperature control calandria inside thermostat or passes through medium
Flowing controls the thermostatic medium of thermostat temperature.Concrete, thermostat 17 can be solid structure and
Its outer surface is provided with anti-absorbent coating or outside cladding politef/fluoride, or thermostat 17
Can also be politef/fluoride bag and its inside equipped with liquid object.Wherein, anti-absorbent coating and
Politef/fluoride is all prevented from thermostat 17 and adsorbs volatile organic matter, improves test
Precision.
The inside of constant temperature and humidity clean cabin 3 can be provided with the equipment such as constant temperature and humidity unit and defecator,
Temperature, relative humidity and background concn can be controlled, provide a stable standard for mattress test
Test environment, it is to avoid outside environmental elements or the impact on test result of other uncertain factors, it is ensured that
Measuring stability, improves measuring accuracy.
As it is shown in figure 1, this clean gas feedway includes that clean gas source of the gas 5, gas compensation fill
Putting 6, flow calorimeter the 7, first switch valve 8 and second switch valve 9, clean gas source of the gas 5 passes through gas transmission
Pipe 15 is connected with the inlet end of gas compensation device 6, and flow calorimeter 7 and the first switch valve 8 are successively
Being connected between the outlet side of clean gas source of the gas 5 and the inlet end of gas compensation device 6, second opens
Close valve 9 to be connected between the outlet side of gas compensation device 6 and air inlet pipe 4.In the present embodiment,
Gas compensation device 6 is preferably arranged to the QI invigorating bag for storing and discharge clean gas.Certainly, also
Other gas container, non-the present embodiment can be used to be limited.Wherein, clean gas feedway
Inflation venting orientation quantitatively, decreases operating error.
It is provided with the 3rd switch valve 10 at gas sampling mouth 2, can carry out after opening the 3rd switch valve 10
Gas sampling.
When being embodied as, as shown in Figure 2 and Figure 4, this soft furniture and the formaldehyde of material and volatility
Organic substance detecting system can uprightly be placed or stand upside down placement, and the below or above of test cover 1 is provided with use
In placing or the mattress support 13 of fixing mattress 20.When test cover 1 is uprightly placed, gas sampling
Mouth 2 is positioned at the top of test cover 1；When test cover 1 stands upside down and places, gas sampling mouth 2 is positioned at survey
The bottom of examination cover 1.
The movement of test cover 1 and lifting for convenience, when test cover 1 is uprightly placed, test cover 1
Top be provided with the mobile lifting device 14 being installed in constant temperature and humidity clean cabin 3 inner tip；Work as test
When cover 1 handstand is placed, the bottom of test cover 1 is provided with and is installed in constant temperature and humidity clean cabin 3 inner bottom
Mobile lifting device 14.Certainly, mobile lifting device 14 can also be installed in and go up elsewhere.
Wherein, mobile lifting device 14 could be arranged to manual type mobile lifting device or electrodynamic movable
Lowering or hoisting gear.
A kind of utilize soft furniture and the formaldehyde of material and the test side of volatile organic compound detection system
Method, comprises the following steps:
(1) constant temperature and humidity clean cabin 3 is allowed to provide a constant temperature, constant humidity and the standard of default cleanliness factor
Test environment, and test cover 1 is located on the appointment region of testee (such as: mattress 20)；
(2) close the first switch valve 8 and second switch valve 9, evacuate gas by vacuum extractor
Gas in compensation device 6；
(3) clean gas source of the gas 5 and the first switch valve 8 are opened, and by flow calorimeter 7 constant speed control
Clean gas in insufflation gas compensation device 6 processed；
(4) open second switch valve 9 and the 3rd switch valve 10, be filled with clean gas to test cover 1,
Clean the contaminated air in displacement test cover 1；
(5), when gas washing completes, close second switch valve 9 and the 3rd switch valve 10, and make gas mend
It is full of clean gas in repaying device 6；
(6) close the first switch valve 8 and clean gas source of the gas 5, and make the inside temperature of test cover 1
Degree control at 36 DEG C ± 1 DEG C, and make test cover 1 at the appointed time (such as: 8 hours) in keep
Static until sampling；
(7) when gas sampling mouth 2 is sampled, open the 3rd switch valve 10 and sample, and
Open second switch valve 9 simultaneously, enable the clean gas in gas compensation device 6 in sampling process
Realize gas volume in entering test cover 1 to compensate, to prevent the dusty gas outside test cover 1 from entering survey
Examination cover 1.
Before testing toward being passed through the clean gas of standard in test cover 1, the survey of test cover 1 can be discharged
Original dusty gas in examination cavity, it is possible to test cover 1 is carried out gas washing and gas displacement, improves
Measuring accuracy.And in sampling process, the clean gas in gas compensation device 6 can quantitatively and
Constant speed realizes gas volume and compensates in being filled into test cover 1, it is therefore prevented that the dusty gas outside test cover 1
Because pressure differential enters test cover 1, further increase measuring accuracy.
In sum, simulation human body can either be volatilized in testee by the present invention when sleep state
Formaldehyde, the burst size of the volatile harmful gas such as VOC detects, again it can be avoided that environmental factors
Or the interference effect that test result is caused by other uncertain factors, it is ensured that the stability of test, carry
High measuring accuracy.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by upper
Stating the restriction of embodiment, that is made under other any spirit without departing from the present invention and principle changes
Become, modify, substitute, combine, simplify, all should be the substitute mode of equivalence, be included in the present invention
Protection domain within.
Claims (10)
1. soft furniture and the formaldehyde of material and a volatile organic compound detection system, including for
The test cover (1) being located on testee, the periphery of described test cover (1) is provided with at least one
Air inlet, described test cover (1) is provided with gas sampling mouth (2), the folder of described test cover (1)
It is provided with constant temperature in the test chamber body formed between the internal or described test cover (1) of layer and testee to add
Thermal, it is characterised in that each air inlet of described test cover (1) is respectively by air inlet pipe (4)
Being connected with clean gas feedway, described clean gas feedway includes clean gas source of the gas
(5), the first switch valve (8) and gas compensation device (6), described clean gas source of the gas (5)
Outlet side is connected with the inlet end of gas compensation device (6), and described first switch valve (8) connects
Between the inlet end of the outlet side of clean gas source of the gas (5) and gas compensation device (6), described
The outlet side of gas compensation device (6) connects air inlet pipe (4).
Soft furniture the most according to claim 1 and the formaldehyde of material and volatile organic matter are examined
Examining system, it is characterised in that described gas compensation device (6) is provided for storage and discharges clean
The QI invigorating bag of clean gas.
Soft furniture the most according to claim 1 and the formaldehyde of material and volatile organic matter are examined
Examining system, it is characterised in that this system also includes one for providing the constant temperature and humidity of standard test environment
Clean cabin (3), described test cover (1) is installed in the inside of described constant temperature and humidity clean cabin (3).
Soft furniture the most according to claim 1 and the formaldehyde of material and volatile organic matter are examined
Examining system, it is characterised in that described gas sampling mouth (2) place is provided with the 3rd switch valve (10), institute
State and be additionally provided with between the outlet side of clean gas source of the gas (5) and the inlet end of gas compensation device (6)
Flow calorimeter (7), is additionally provided with between outlet side and the air inlet pipe (4) of described gas compensation device (6)
Second switch valve (9), the inwall of described test cover (1) is provided with anti-absorbent coating.
Soft furniture the most according to claim 1 and the formaldehyde of material and volatile organic matter are examined
Examining system, it is characterised in that described constant temperature heating device is set to by heat-conducting mode test cover (1)
In the heat conduction coil pipe (11) that uniformly heats of gas or heater, described heat conduction coil pipe (11) or add
Hot device is evenly distributed in the inside interlayer of test cover (1), and the inside of described heat conduction coil pipe (11) sets
Having heat transfer medium, the inlet of described heat conduction coil pipe (11) and liquid outlet are respectively by pipeline (16)
It is connected with temperature control heat pump assembly (12), thus forms heat pump constant temperature circulating system.
Soft furniture the most according to claim 5 and the formaldehyde of material and volatile organic matter are examined
Examining system, it is characterised in that described heat conduction coil pipe (11) is set to serpentine coil or shell and tube dish
Pipe.
Soft furniture the most according to claim 1 and the formaldehyde of material and volatile organic matter are examined
Examining system, it is characterised in that described constant temperature heating device is provided for simulating the thermostat of human body
(17), described thermostat (17) is placed in the test chamber body of test cover (1), described thermostat
(17) thermostat is installed in, is provided with temperature control calandria inside described thermostat or passes through medium
Flowing controls the thermostatic medium of thermostat temperature；Described thermostat (17) is solid structure and its appearance
Face is provided with anti-absorbent coating or outside cladding politef/fluoride, or described thermostat (17)
For inside politef/fluoride bag and its equipped with liquid object.
Soft furniture the most according to claim 1 and the formaldehyde of material and volatile organic matter are examined
Examining system, it is characterised in that described test cover (1) is stainless steel cage, described test cover (1)
Each corner is circular arc or hypotenuse structure.
Soft furniture the most according to claim 1 and the formaldehyde of material and volatile organic matter are examined
Examining system, it is characterised in that described test cover (1) is provided with mobile lifting device (14).
Soft furniture the most according to claim 1 and the formaldehyde of material and volatile organic matter are examined
Examining system, it is characterised in that described soft furniture and the formaldehyde of material and volatile organic matter detection are
System can uprightly be placed or stand upside down placement, and the below or above of described test cover (1) is provided with for putting
Put the mattress support (13) of testee, when test cover (1) is uprightly placed, described gas sampling
Mouth (2) is positioned at the top of test cover (1), when test cover (1) stands upside down and places, and described gas
Thief hatch (2) is positioned at the bottom of test cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508704.9A CN105974068B (en) | 2016-06-30 | 2016-06-30 | The formaldehyde and volatile organic compound detection system of a kind of soft furniture and material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508704.9A CN105974068B (en) | 2016-06-30 | 2016-06-30 | The formaldehyde and volatile organic compound detection system of a kind of soft furniture and material |
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| Publication Number | Publication Date |
|---|---|
| CN105974068A true CN105974068A (en) | 2016-09-28 |
| CN105974068B CN105974068B (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610508704.9A Active CN105974068B (en) | 2016-06-30 | 2016-06-30 | The formaldehyde and volatile organic compound detection system of a kind of soft furniture and material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966532A (en) * | 2017-12-08 | 2018-04-27 | 东莞市升微机电设备科技有限公司 | Simple cabin is tested and pre-processed to formaldehyde or VOC burst sizes |
| CN110286171A (en) * | 2019-07-09 | 2019-09-27 | 上海市质量监督检验技术研究院 | VOCs spot sampling system and rapid detection method in a kind of soft furniture |
| CN110487965A (en) * | 2019-08-20 | 2019-11-22 | 陈奇华 | A kind of monitoring detection device of indoor formaldehyde concentration |
| CN113447476A (en) * | 2021-06-29 | 2021-09-28 | 苏州中正工程检测有限公司 | Quick check out test set of formaldehyde that indoor environment was used |
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