CN208537502U - Test specimen VOC burst size test experiments storehouse - Google Patents
Test specimen VOC burst size test experiments storehouse Download PDFInfo
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- CN208537502U CN208537502U CN201821089639.1U CN201821089639U CN208537502U CN 208537502 U CN208537502 U CN 208537502U CN 201821089639 U CN201821089639 U CN 201821089639U CN 208537502 U CN208537502 U CN 208537502U
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Abstract
The utility model discloses a kind of test specimen VOC burst size test experiments storehouses, including experiment bin cabinet, operating room is provided in experiment bin cabinet, operating room lower end is supported on the wind-guiding pedestal in experiment bin box baseplate, the top surface of operating room is provided with stirring Blower Housing, stirring blower in installation top in Blower Housing is stirred, has distance between the left and right sides of operating room and the left and right sidewall of experiment bin cabinet；There are the air inlet crack or small air inlet hole with the grid hole connection of wind-guiding pedestal in the bottom end of operating room, the top of operating room and stirring Blower Housing connection, it is distributed on the side wall and top plate of operating room and outlet crack or outlet aperture, it is provided with outlet crack or outlet aperture on the left of stirring Blower Housing, purification air inlet, exhaust outlet and the gas production mouth after recycle gas blower, evaporation dehumidifier, heater, humidifier, purifying formaldehyde are provided on the right side wall of experiment bin cabinet.Air in storehouse is uniform, even heat, guarantees the accuracy of sampling, reduces airflow fluctuation.
Description
Technical field
The utility model relates to a kind of test specimen VOC burst size test experiments storehouses, are used for fitment material for family, automotive upholstery formaldehyde
Burst size detection.
Background technique
Fitment material for family, automotive upholstery in production, can all use and arrive formaldehyde.The release of formaldehyde is a slow mistake
Journey, and be harmful to the human body.When concentration of formaldehyde reaches 0.08-0.09mg in every cubic metres of air, children will occur slightly
Asthma.When reaching 0.1mg/m in room air3When, just there are peculiar smell and sense of discomfort.Reach 0.5mg/m3When, eyes can be stimulated, are drawn
It rises and sheds tears.Reach 0.6mg/m3, throat discomfort or pain can be caused.And the formaldehyde of Long Term Contact low dosage but will cause chronic exhale
Inhale a variety of diseases such as tract disease, the decline of teenager's memory intelligence, fetal anomaly and cancer！
The harm of formaldehyde makes people daunting, however, more frightening thing, more and more new houses fit up family, family
People is daily in the environment that formaldehyde severely exceeds, and oneself is not known completely, and the children of annual formaldehyde poisoning are with 20%
Speed increase.
For this case, country has also put into effect relevant standard, to release formaldehydes such as automotive interior material, fitment material for family
And pernicious gas has made regulation, it is necessary to which reaching standard could use.This is just needed to formaldehyde contained by indoor material and product etc.
The burst size of noxious material is detected, especially the detection of the burst size of the formaldehyde under a room temperature constant environment.Thus
Needing to provide the detection environment to meet the requirements, (according to national standard GBT17657-2013, " wood-based plate and face artificial board are physical and chemical
Method for testing performance " and LY/T1612-2004 " burst size of methanal detection use 1m3Climate box ", formaldehyde background concn must reach :≤
0.006mg/m3, the index that tests out in this way is just true and reliable.), detection system when being detected, needs indoor to detection
Original air in formaldehyde handled.It allows the air without formaldehyde of purification full of sensing chamber, could accurately obtain in this way
The amount of the formaldehyde of material release.Also need to in experimental cabin temperature, humidity carry out strict control (temperature range: 20 DEG C~
25 DEG C, humidity range: 40~50%RH, temperature control precision :≤± 0.5 DEG C；Humid control precision: ± 3% (steady state
When)；Rate of ventilation: >=1 time/hour；Specimen surface air velocity: 0.1-0.3m/s；Formaldehyde background concn must reach :≤
0.006mg/m3).It should to detect indoor air flowing, so that it is uniform to detect indoor temperature, moisture distribution, and want
Guarantee the uniformity of sampling.Speed (regulation specimen surface air velocity is 0.1-0.3m/s) mistake that air cannot be allowed to flow again
Greatly, airflow fluctuation cannot be too big, avoids the release of interference formaldehyde.Therefore, such a experiment bin how is designed as us
Problem in urgent need to solve.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of VOC environmental testing experiment bin,
The air in experiment bin can be made by clean content of formaldehyde lower than 0.006mg/m before test3Air displacement.In test process
In, it is able to satisfy the slow flowing of the air-flow of surface of test piece, the air in entire experiment bin is uniform, even heat, guarantees sampling
Accuracy reduces airflow fluctuation.
To achieve the goals above, the technical solution of the utility model are as follows: a kind of test specimen VOC burst size test experiments storehouse,
Including experiment bin cabinet, it is characterised in that: be provided with operating room in the experiment bin cabinet, the operating room lower end support is in place
In on the wind-guiding pedestal in experiment bin box baseplate, the top surface of the operating room is provided with stirring Blower Housing, the stirring wind
Stirring blower in installation top in casing body, the top stirring blower is driven by decelerating motor to be operated, the left and right sides of the operating room
There is distance between wall and the left and right sidewall of experiment bin cabinet；The wind-guiding pedestal is to be surrounded by several horizontal and vertical wind deflectors
Waffle slab, being distributed on the wind-guiding pedestal can allow wind to enter the notch in the mesh of waffle slab, the bottom end of the operating room
There are the air inlet crack or small air inlet hole with the grid hole connection of wind-guiding pedestal, the top of the operating room and stirring Blower Housing connection
It is logical, it is distributed on the side wall and top plate of the operating room and outlet crack or outlet aperture, a left side for the stirring Blower Housing
Side is provided with outlet crack or outlet aperture, and recycle gas blower, evaporation dehumidifying are provided on the right side wall of the experiment bin cabinet
Purification air inlet, exhaust outlet and gas production mouth after device, heater, humidifier, purifying formaldehyde.
It is preferred that: the purification air inlet is located at bottom, and recycle gas blower is located above purification air inlet, institute
Evaporation dehumidifier, heater, humidifier is stated to be located between purification air inlet and recycle gas blower, the recycle gas blower
Air inlet is located below, and air outlet is located at upper end, and the exhaust outlet and gas production mouth are located at the top of recycle gas blower.
Using the above scheme, the gap between operating room and experiment bin cabinet constitutes air duct, by purification except at formaldehyde
The air of reason enters in experiment bin cabinet is replaced with the intracorporal air of experiment bin case, and by heating, dehumidifying, air-flow is being recycled
Under the action of air blower, uniformly flowed in experiment bin cabinet, guarantee operating room be in a constant temperature, constant humidity environment in.When
When air-flow flows to wind-guiding pedestal, partially into the grid hole of wind-guiding pedestal, subsequently into operating room, with the indoor gas that works
Stream swaps, and top stirring blower plays stirring action to the indoor air-flow that works, and the outlet of air-flow from the side of operating room is small
Outlet crack or outlet aperture on the left of seam or outlet aperture and stirring Blower Housing are discharged into experiment bin cabinet, experiment bin
The intracorporal air-flow of case is discharged from exhaust outlet, by multiple air intake-exhaust, finally makes the indoor air of work and experiment bin case
Intracorporal air is replaced into the low air of clean content of formaldehyde.In displaced air, due to there is no test specimen, top can be allowed to stir
The revolving speed for mixing blower fastlyer, improves replacing velocity.
When completing air displacement so that the content of experiment bin cabinet and the indoor formaldehyde in air of working reach≤
0.006mg/m3When, test specimen is put into operating room, the revolving speed of top stirring blower is adjusted, rotates it slowly, in operating room
Air-flow play the role of being uniformly mixed that (top stirring blower is controlled by decelerating motor, turn of adjustable stirring blower
Speed.), air-flow, so that the flow velocity into work indoor air flow reduces, reduces operating room due to the guiding and obstruction by grid hole
Interior airflow fluctuation does not influence normally releasing for test specimen formaldehyde so that it is 0.1-0.3m/s that air-flow, which meets specimen surface air velocity,
It puts the Form aldehyde release of actual response fitment material for family and automotive interior material (can horizontal), while allowing the indoor air-flow of work and experiment
Case intracorporal air-flow in storehouse uniformly mixes, so that the formaldehyde of release is evenly distributed in operating room and the intracorporal air of experiment bin case
In, guarantee the accuracy that thief hatch uses.
In above scheme: the upper end of the stirring Blower Housing is mounted on the inside of the top plate of experiment bin cabinet, the deceleration
Motor is mounted on the top plate of experiment bin cabinet.
In above scheme: being provided with insulating layer on the wall of the experiment bin cabinet.Thermal loss is reduced, constant temperature effect is played
Fruit.
In above scheme: the exhaust outlet is connected by pipeline with active carbon filtering device.After having tested, Emission test
When the air containing harmful substances such as formaldehyde in storehouse, is filtered by activated carbon adsorption, avoid impacting environment.
In above scheme: the bottom surface of the experiment bin cabinet is provided with universal wheel.It is moved easily.
The utility model has the advantages that the VOC environmental testing experiment bin of the utility model can provide the experimental situation an of constant temperature, constant humidity.
It is able to satisfy the slow flowing of the air-flow of surface of test piece simultaneously, reduces airflow fluctuation, does not interfere normally releasing for the formaldehyde of material for test
It puts, the air in entire experiment bin is uniform, even heat, guarantees the accuracy of sampling.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of wind-guiding pedestal.
Specific embodiment
The utility model is described in further detail for embodiment with reference to the accompanying drawing:
Embodiment 1
As shown in Figs. 1-2, the burst size test experiments storehouse test specimen VOC of the utility model by experiment bin cabinet 1, operating room 2,
Wind-guiding pedestal 3, stirring Blower Housing 4, stirring blower 5, decelerating motor 6, recycle gas blower 7, evaporation dehumidifier 8, heater 9,
Purification air inlet 11, exhaust outlet 12, gas production mouth 13 and active carbon filter 14 after humidifier 10, purifying formaldehyde form.
Insulating layer is provided on the wall of experiment bin cabinet 1.The bottom surface of experiment bin cabinet 1 is provided with universal wheel.
It is provided with operating room 2 in experiment bin cabinet 1, is provided on experiment bin cabinet 1 and operating room 2 and is put into test specimen
Door.2 lower end of operating room is supported on the wind-guiding pedestal 3 on 1 bottom plate of experiment bin cabinet, and wind-guiding pedestal 3 is by several transverse directions
The waffle slab surrounded with longitudinal wind deflector, being distributed on wind-guiding pedestal 3 can allow wind to enter the notch in the mesh of waffle slab, lead to
It crosses and the lower end setting notch of lateral wind deflector therein or vertical wind deflector is allowed to enter in grid hole by wind energy by notch.
Stirring Blower Housing 4 is provided on the outside of the top surface of operating room 2, the upper end of stirring Blower Housing 4 is mounted on experiment bin
On the inside of the top plate of cabinet 1, stirring blower 5 in installation top in stirring Blower Housing 4, top stirring blower 5 is driven by decelerating motor 6
Operating, decelerating motor 6 are mounted on the top plate of experiment bin cabinet.
There is distance between the left and right sides of operating room 2 and the left and right sidewall of experiment bin cabinet 1, which constitutes air duct, work
There are air inlet crack or small air inlet hole with the grid hole connection of wind-guiding pedestal 3, the top of operating room 2 and stirring in the bottom end for making room 2
4 connection of Blower Housing, is distributed on the side wall and top plate of operating room 2 and outlet crack or outlet aperture, stirs Blower Housing 4
Left side be provided with outlet crack or outlet aperture, be provided on the right side wall of experiment bin cabinet 1 recycle gas blower 7, evaporation remove
Purification air inlet 11, exhaust outlet 12 and gas production mouth 13 after wet device 8, heater 9, humidifier 10, purifying formaldehyde.Wherein
Purify air inlet 11 and be located at bottom, recycle gas blower 7 is located at purification air inlet 11 top, evaporation dehumidifier 8 plus
Hot device 9, humidifier 10 are located between purification air inlet 11 and recycle gas blower 7, under the air inlet of recycle gas blower 7 is located at
Side, air outlet are located at upper end, and exhaust outlet 12 and gas production mouth 13 are located at the top of recycle gas blower 7.Exhaust outlet 12 by pipeline with
Active carbon filtering device 14 is connected.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (6)
1. a kind of test specimen VOC burst size test experiments storehouse, including experiment bin cabinet, it is characterised in that: in the experiment bin cabinet
It is provided with operating room, the operating room lower end is supported on the wind-guiding pedestal in experiment bin box baseplate, the operating room
Top surface be provided with stirring Blower Housing, stirring blower in installation top in the stirring Blower Housing, the top is stirred blower and is passed through
Decelerating motor drives operating, has distance between the left and right sidewall of the operating room and the left and right sidewall of experiment bin cabinet；It is described to lead
Wind pedestal is the waffle slab surrounded by several horizontal and vertical wind deflectors, is distributed on the wind-guiding pedestal and wind can be allowed to enter net
Notch in the mesh of panel, the bottom end of the operating room have small with the air inlet crack of the grid hole connection of wind-guiding pedestal or air inlet
Hole, the top of the operating room and stirring Blower Housing connection, are distributed on the side wall and top plate of the operating room and outlet
Crack or outlet aperture are provided with outlet crack or outlet aperture, the experiment bin cabinet on the left of the stirring Blower Housing
Right side wall on be provided with recycle gas blower, evaporation dehumidifier, heater, humidifier, the purification air inlet after purifying formaldehyde
Mouth, exhaust outlet and gas production mouth.
2. test specimen VOC burst size test experiments storehouse according to claim 1, it is characterised in that: the purification air inlet
Positioned at bottom, recycle gas blower is located above purification air inlet, and the evaporation dehumidifier, heater, humidifier are located at
It purifying between air inlet and recycle gas blower, the air inlet of the recycle gas blower is located below, and air outlet is located at upper end,
The exhaust outlet and gas production mouth are located at the top of recycle gas blower.
3. test specimen VOC burst size test experiments storehouse according to claim 2, it is characterised in that: the stirring Blower Housing
Upper end is mounted on the inside of the top plate of experiment bin cabinet, and the decelerating motor is mounted on the top plate of experiment bin cabinet.
4. according to claim 1 or 2 or 3 test specimen VOC burst size test experiments storehouses, it is characterised in that: the experiment bin case
Insulating layer is provided on the wall of body.
5. test specimen VOC burst size test experiments storehouse according to claim 4, it is characterised in that: the exhaust outlet passes through pipeline
It is connected with active carbon filtering device.
6. test specimen VOC burst size test experiments storehouse according to claim 5, it is characterised in that: the bottom of the experiment bin cabinet
Face is provided with universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089639.1U CN208537502U (en) | 2018-07-10 | 2018-07-10 | Test specimen VOC burst size test experiments storehouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089639.1U CN208537502U (en) | 2018-07-10 | 2018-07-10 | Test specimen VOC burst size test experiments storehouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208537502U true CN208537502U (en) | 2019-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821089639.1U Active CN208537502U (en) | 2018-07-10 | 2018-07-10 | Test specimen VOC burst size test experiments storehouse |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535424A (en) * | 2018-07-10 | 2018-09-14 | 重庆威尔震昌科技股份有限公司 | A kind of test specimen VOC discharges the removal system of amount detecting device and formaldehyde in air |
-
2018
- 2018-07-10 CN CN201821089639.1U patent/CN208537502U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535424A (en) * | 2018-07-10 | 2018-09-14 | 重庆威尔震昌科技股份有限公司 | A kind of test specimen VOC discharges the removal system of amount detecting device and formaldehyde in air |
| CN108535424B (en) * | 2018-07-10 | 2023-12-29 | 重庆威尔震昌科技股份有限公司 | Test piece VOC release detection device and system for removing formaldehyde in air |
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