CN204101534U - Miniature VOC testing laboratory system - Google Patents
Miniature VOC testing laboratory system Download PDFInfo
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- CN204101534U CN204101534U CN201420431155.6U CN201420431155U CN204101534U CN 204101534 U CN204101534 U CN 204101534U CN 201420431155 U CN201420431155 U CN 201420431155U CN 204101534 U CN204101534 U CN 204101534U
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- experimental cabin
- testing laboratory
- voc testing
- cabin body
- miniature voc
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- 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
Abstract
The utility model discloses a kind of miniature VOC testing laboratory system, comprise clean gas admission gear, also comprise several the miniature VOC testing laboratories be connected with clean gas admission gear, the pipeline that clean gas admission gear is connected with miniature VOC testing laboratory is equiped with flowmeter and shunt successively, described miniature VOC testing laboratory and flowmeter are connected with a controller, described miniature VOC testing laboratory comprises base, be installed in the well heater in base, experimental cabin is equiped with in described base, achieve multiple spot air inlet, and it is even with the gas and vapor permeation in hatch checking body from bottom to top, consistent with the concentration of the volatile organic matter in the gas in experimental cabin from the concentration of the volatile organic matter the sample that thieff hatch is got, greatly can reduce test error, accuracy of detection is high.The detection experiment of volatile organic matter can be carried out simultaneously to multiple product, substantially increase the detection efficiency of volatile organic matter checkout equipment.
Description
Technical field
The utility model relates to a kind of volatile organic matter checkout equipment, relates to a kind of miniature VOC testing laboratory system in particular.
Background technology
Along with improving constantly of people's living standard, the requirement of people to environmental quality there has also been very large raising, especially to the environmental index of living environment, to ensure that the health of people is not subject to the injury of the noxious materials such as formaldehyde.And a lot of indoor material and product all contain the noxious materials such as formaldehyde, for to ensure that people's is healthy, need to detect the release rate of the volatile organic matter (VOC) such as benzene, toluene, formaldehyde contained by indoor material and product and release characteristics, especially detect in certain hot environment, thus obtain qualified indoor material and product, make people have a good living environment.But traditional miniature VOC testing laboratory system on top cover, be provided with an air admission hole and a thieff hatch, air admission hole and thieff hatch are arranged on top cover simultaneously, there is following defect in such structure: air admission hole is arranged on top cover, and be only provided with an air admission hole, it is single-point air inlet, the gas entered at sampling process peripheral flows into from top to bottom can not be even with the gas and vapor permeation in experimental cabin in experimental cabin, the concentration of the volatile organic matter in the gas in experimental cabin top can be caused lower than the concentration of the volatile organic matter in the gas in experimental cabin bottom, therefore from the sample that thieff hatch is got volatile organic matter deviation of concentration experimental cabin in gas in the actual value of concentration of volatile organic matter, there is larger test error, large in the accuracy of detection reducing miniature VOC testing laboratory system, and the detection experiment of volatile organic matter can not be carried out to multiple product simultaneously.
Utility model content
The purpose of this utility model is to overcome above-mentioned defect in prior art: provide a kind of detection efficiency that can substantially increase volatile organic matter checkout equipment, and gas and vapor permeation in the gas that outside can be made to enter and experimental cabin is even, consistent with the concentration of the volatile organic matter in the gas in experimental cabin from the concentration of the volatile organic matter the sample that thieff hatch is got, greatly can reduce test error, the miniature VOC testing laboratory system that accuracy of detection is high.
For achieving the above object, the technical scheme that provides of the utility model is as follows:
A kind of miniature VOC testing laboratory system, comprise clean gas admission gear, also comprise several the miniature VOC testing laboratories be connected with clean gas admission gear, the pipeline that clean gas admission gear is connected with miniature VOC testing laboratory is equiped with flowmeter and shunt successively, described miniature VOC testing laboratory and flowmeter are connected with a controller, described miniature VOC testing laboratory comprises base, be installed in the well heater in base, experimental cabin is equiped with in described base, this experimental cabin comprises experimental cabin body, be installed in the bottom bottom experimental cabin body and be installed in the top cover on experimental cabin body top, shunting chamber is provided with between base and bottom, water conservancy diversion chamber is provided with between experimental cabin body and bottom, shunting chamber is provided with several shunting chamber ventholes be connected with water conservancy diversion chamber, experimental cabin body bottom is provided with several experimental cabin body air admission holes be connected with water conservancy diversion chamber, base is provided with and the air admission hole shunted chamber and be connected, top cover is provided with and the thieff hatch be connected in experimental cabin body.
Preferably, the length of the pipeline that each miniature VOC testing laboratory is connected with shunt is equal, makes the resistance in each pipeline mutually equal.
Furthermore, described shunting chamber venthole is uniformly at intervals on bottom, and described experimental cabin body air admission hole is uniformly at intervals on the sidewall of experimental cabin body.
Preferably, the basal surface of the described inside surface of experimental cabin body, the upper surface of bottom and top cover all scribbles anti-absorbent coating.
The beneficial effect of miniature VOC testing laboratory described in the utility model system is: by constructing several the miniature VOC testing laboratories be connected with clean gas admission gear, the detection experiment of volatile organic matter can be carried out simultaneously to multiple product, substantially increase the detection efficiency of volatile organic matter checkout equipment.Shunting chamber is provided with between the base of described miniature VOC testing laboratory and bottom, water conservancy diversion chamber is provided with between experimental cabin body and bottom, shunting chamber is provided with several shunting chamber ventholes be connected with water conservancy diversion chamber, experimental cabin body bottom is provided with several experimental cabin body air admission holes be connected with water conservancy diversion chamber, base is provided with and the air admission hole shunted chamber and be connected, and top cover is provided with and the thieff hatch be connected in experimental cabin body.The gas that outside enters enters into branch chamber indoor from air admission hole, diversion cavity indoor are entered into by shunting chamber venthole, again from the experimental cabin body that several experimental cabin body air admission holes experimental cabin body enter, achieve multiple spot air inlet, and it is even with the gas and vapor permeation in experimental cabin body from bottom to top, consistent with the concentration of the volatile organic matter in the gas in experimental cabin from the concentration of the volatile organic matter the sample that thieff hatch is got, greatly can reduce test error, accuracy of detection is high.
Below in conjunction with drawings and Examples, miniature VOC testing laboratory described in the utility model system is described further:
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model miniature VOC testing laboratory system;
Fig. 2 is the three-dimensional structure diagram of the miniature VOC testing laboratory of the utility model miniature VOC testing laboratory system;
Fig. 3 is the cut-open view of the miniature VOC testing laboratory of the utility model miniature VOC testing laboratory system.
Embodiment
The most preferred embodiment of miniature VOC testing laboratory described in the utility model system, does not therefore limit protection domain of the present utility model below.
With reference to Fig. 1, there is shown a kind of miniature VOC testing laboratory system, comprise clean gas admission gear 10, also comprise several the miniature VOC testing laboratories 20 be connected with clean gas admission gear 10, the pipeline that clean gas admission gear 10 is connected with miniature VOC testing laboratory is equiped with flowmeter 30 and shunt 40 successively, described miniature VOC testing laboratory 20 and flowmeter 30 are connected with a controller 50, and controller 50 is for the flow of control flow check gauge 30 with for controlling the temperature in miniature VOC testing laboratory 20.
Preferably, each miniature VOC testing laboratory 20 is equal with the length of the pipeline that shunt 40 is connected, and makes the resistance in each pipeline mutually equal, makes the assignment of traffic of shunt 40 even.
As Fig. 2, shown in Fig. 3, described miniature VOC testing laboratory 20 comprises base 1, be installed in the well heater 8 in base 1, experimental cabin 2 is equiped with in described base 1, this experimental cabin 2 comprises experimental cabin body 21, be installed in the bottom 22 bottom experimental cabin body 21 and be installed in the top cover 23 on experimental cabin body 21 top, be provided with between base 1 and bottom 22 and shunt chamber 3, water conservancy diversion chamber 4 is provided with between experimental cabin body 21 and bottom 22, shunting chamber 3 is provided with several shunting chamber ventholes 31 be connected with water conservancy diversion chamber 4, experimental cabin body 21 bottom is provided with several experimental cabin body air admission holes 211 be connected with water conservancy diversion chamber 4, base 1 is provided with and the air admission hole 11 shunted chamber 3 and be connected, top cover 23 is provided with and the thieff hatch 231 be connected in experimental cabin body 21, thieff hatch 231 is for sampling when reaching setting test period, the gas that outside enters enters in shunting chamber 3 from air admission hole 11, enter in water conservancy diversion chamber 4 by shunting chamber venthole 31, again from the experimental cabin body 21 that several experimental cabin body air admission holes 211 experimental cabin body 21 enter, achieve multiple spot air inlet, and it is even with the gas and vapor permeation in experimental cabin body 2 from bottom to top.
Be equiped with the first O-ring seal 5 between described bottom 22 and base 1, make shunting chamber 3 become an airtight space.
Be equiped with the second O-ring seal 6 between described top cover 23 and experimental cabin body 21, make experimental cabin 2 become an airtight space.
Described well heater 8 is electric heater, and the bottom of base 1 is equiped with the well heater binding post 7 be electrically connected with well heater, is connected by the power lead of external power source with well heater binding post 7, well heater 8 can be made to generate heat, heat experimental cabin 2 after energising.
The basal surface of the inside surface of described experimental cabin body 21, the upper surface of bottom 22 and top cover 23 all scribbles anti-absorbent coating, prevent the volatile organic matter in experimental cabin 2 in gas to be adsorbed on the basal surface of the inside surface of experimental cabin body 21, the upper surface of bottom 22 and top cover 23, improve accuracy of detection further.
Preferably, described shunting chamber venthole 31 is uniformly at intervals on bottom 22, described experimental cabin body air admission hole 211 is uniformly at intervals on the sidewall of experimental cabin body 21, gas and vapor permeation in the gas that outside is entered and experimental cabin 2 is more even, guarantee that the concentration of the volatile organic matter the sample got from thieff hatch 231 is consistent with the concentration of the volatile organic matter in the gas in experimental cabin 2, reduce test error, thus improve accuracy of detection.
Described bottom 22 is one-body molded or point body formed with experimental cabin body 21.
During test, top cover 23 is opened, detected article are placed in experimental cabin 2, top cover 23, the gas that outside enters enters in shunting chamber 3 from air admission hole, enter in water conservancy diversion chamber 4 by shunting chamber venthole 31, again from the experimental cabin body 21 that several experimental cabin body air admission holes 211 experimental cabin body 21 enter, achieve multiple spot air inlet, and it is even with the gas and vapor permeation in experimental cabin body 21 from bottom to top, the concentration of the volatile organic matter from the sample that thieff hatch 231 is got is consistent with the concentration of the volatile organic matter in the gas in experimental cabin 2, greatly can reduce test error, accuracy of detection is high.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (9)
1. a miniature VOC testing laboratory system, comprise clean gas admission gear (10), it is characterized in that, also comprise several the miniature VOC testing laboratories (20) be connected with clean gas admission gear (10), the pipeline that clean gas admission gear (10) is connected with miniature VOC testing laboratory is equiped with flowmeter (30) and shunt (40) successively, described miniature VOC testing laboratory (20) and flowmeter (30) are connected with a controller (50), described miniature VOC testing laboratory (20) comprises base (1), be installed in the well heater (8) in base (1), experimental cabin (2) is equiped with in described base (1), this experimental cabin (2) comprises experimental cabin body (21), be installed in the bottom (22) of experimental cabin body (21) bottom and be installed in the top cover (23) on experimental cabin body (21) top, be provided with between base (1) and bottom (22) and shunt chamber (3), water conservancy diversion chamber (4) is provided with between experimental cabin body (21) and bottom (22), shunting chamber (3) is provided with several shunting chamber ventholes (31) be connected with water conservancy diversion chamber (4), experimental cabin body (21) bottom is provided with several experimental cabin body air admission holes (211) be connected with water conservancy diversion chamber (4), base (1) is provided with and the air admission hole (11) shunted chamber (3) and be connected, top cover (23) is provided with and the thieff hatch (231) be connected in experimental cabin body (21).
2. miniature VOC testing laboratory according to claim 1 system, is characterized in that, each miniature VOC testing laboratory (20) is equal with the length of the pipeline that shunt (40) is connected.
3. miniature VOC testing laboratory according to claim 1 system, is characterized in that, be equiped with the first O-ring seal (5) between described bottom (22) and base (1).
4. miniature VOC testing laboratory according to claim 1 system, is characterized in that, be equiped with the second O-ring seal (6) between described top cover (23) and experimental cabin body (21).
5. miniature VOC testing laboratory according to claim 1 system, it is characterized in that, described well heater (8) is electric heater, and the bottom of base (1) is equiped with the well heater binding post (7) be electrically connected with well heater.
6. miniature VOC testing laboratory according to claim 1 system, is characterized in that, the basal surface of the inside surface of described experimental cabin body (21), the upper surface of bottom (22) and top cover (23) all scribbles anti-absorbent coating.
7. miniature VOC testing laboratory according to claim 1 system, is characterized in that, described shunting chamber venthole (31) is uniformly at intervals on bottom (22).
8. miniature VOC testing laboratory according to claim 1 system, is characterized in that, described experimental cabin body air admission hole (211) is uniformly at intervals on the sidewall of experimental cabin body (21).
9. miniature VOC testing laboratory according to claim 1 system, is characterized in that, described bottom (22) and experimental cabin body (21) are one-body molded or point body formed.
Priority Applications (1)
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CN201420431155.6U CN204101534U (en) | 2014-07-31 | 2014-07-31 | Miniature VOC testing laboratory system |
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CN201420431155.6U CN204101534U (en) | 2014-07-31 | 2014-07-31 | Miniature VOC testing laboratory system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106093317A (en) * | 2016-08-20 | 2016-11-09 | 东莞市升微机电设备科技有限公司 | Miniature VOC test chamber |
CN108828145A (en) * | 2018-05-24 | 2018-11-16 | 东莞市升微机电设备科技有限公司 | A kind of miniature VOC test chamber of welding |
CN113834901A (en) * | 2020-06-23 | 2021-12-24 | 拓荆科技股份有限公司 | Gas mixing effect detection device and detection method |
-
2014
- 2014-07-31 CN CN201420431155.6U patent/CN204101534U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106093317A (en) * | 2016-08-20 | 2016-11-09 | 东莞市升微机电设备科技有限公司 | Miniature VOC test chamber |
CN108828145A (en) * | 2018-05-24 | 2018-11-16 | 东莞市升微机电设备科技有限公司 | A kind of miniature VOC test chamber of welding |
CN113834901A (en) * | 2020-06-23 | 2021-12-24 | 拓荆科技股份有限公司 | Gas mixing effect detection device and detection method |
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