CN206618741U - Dark box type formaldehyde examination device - Google Patents
Dark box type formaldehyde examination device Download PDFInfo
- Publication number
- CN206618741U CN206618741U CN201720368008.2U CN201720368008U CN206618741U CN 206618741 U CN206618741 U CN 206618741U CN 201720368008 U CN201720368008 U CN 201720368008U CN 206618741 U CN206618741 U CN 206618741U
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- CN
- China
- Prior art keywords
- casing
- liquid injection
- injection pipe
- box type
- formaldehyde examination
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
Dark box type formaldehyde examination device of the present utility model, it is related to architectural environment detection means, it is by casing, lid, gas supply part and test section are constituted, casing top has lid, casing connects gas supply part, there is test section in casing, the air supply pipe connection blower fan and box house of gas supply part, test section is by base, Test paper, liquid injection pipe and check valve composition, bottom half has base, there is liquid injection pipe on base, liquid injection pipe is front end closing, the body of tail end opening, end seat is in base before liquid injection pipe, its tail end passes through box body wall, there is fluid hole on liquid injection pipe toe lateral wall, Test paper is attached on the outside of fluid hole, afterbody has liquid storage cylinder in liquid injection pipe, there is check valve at liquid storage cylinder two ends, there is liquid injection hole at the top of liquid storage cylinder.The utility model can provide stabilized light source, and can remove the influence of solid particulate matter in environment and humidity for formaldehyde examination result；Blower fan can increase the diffusion velocity of formaldehyde in air, shorten detection time, multiple test sections are detected simultaneously can reduce detection error.
Description
Technical field
The utility model is related to architectural environment detection means, more particularly to a kind of dark box type formaldehyde examination device.
Background technology
Formaldehyde is a kind of gas of severe contamination environmental and human health impacts, and the United Nations's health organization has been defined as carcinogenic
With teratogenesis material, most easy Analysis Methods for Formaldehyde is exactly test paper detection at present, its detection method is simple, detection cycle is short,
It is low-cost, but the environment of test paper detection is complex, ambient light is unstable, architectural environment solid particulate matter is excessive, wet
Degree is changed greatly, the order of accuarcy that can all influence test paper to detect.
The content of the invention
There is provided a kind of dark box type formaldehyde examination device for above-mentioned the deficiencies in the prior art for the utility model.
Dark box type formaldehyde examination device of the present utility model, is made up of casing, lid, gas supply part and test section, described
The top of casing be provided with lid, the side connection gas supply part of casing, the inside of casing is provided with test section, described gas supply part by
The inside of blower fan and air supply pipe composition, air supply pipe connection blower fan and casing, described test section is by base, Test paper, note
Liquid pipe and check valve composition, the bottom of casing are provided with base, and base is provided with liquid injection pipe, and liquid injection pipe is that front end is closed, tail end is opened
Mouthful body, the preceding end seat of liquid injection pipe on base, its tail end pass through the side wall of casing, the toe lateral wall of liquid injection pipe is provided with out
Fluid apertures, the afterbody that Test paper is attached in the outside of fluid hole, liquid injection pipe is provided with liquid storage cylinder, and the two ends of liquid storage cylinder are equipped with list
To valve, the top of liquid storage cylinder is provided with liquid injection hole.
As further improvement of the utility model, the side wall of described box house is provided with stabilized light source.
As further improvement of the utility model, sealing gasket is provided between described casing and lid.
As further improvement of the utility model, the inside of described air supply pipe is provided with filter, and filter is
It is made up of filter screen and dry bag, the quantity of filter screen is two, dries bag and is placed between two filter screens.
As further improvement of the utility model, the inside of described casing is provided with more than one test section.
Dark box type formaldehyde examination device of the present utility model, can provide a relatively stable ring for test paper detection formaldehyde
Border, it can provide stable light source, and can remove the shadow of solid particulate matter in environment and humidity for formaldehyde examination result
Ring；Its blower fan set up, by increasing capacitance it is possible to increase the diffusion velocity of formaldehyde in air, and then detection time is shortened, while multiple detections
Portion is detected simultaneously, can reduce detection error.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model A-A to sectional view.
Embodiment
As shown in figure 1, dark box type formaldehyde examination device of the present utility model, is by casing 1, lid 2, gas supply part and detection
Portion is constituted, and the top of described casing 1 is provided with lid 2, and sealing gasket 5 is provided between described casing 1 and lid 2；The one of casing 1
Side connects gas supply part, and the inside of casing 1 can take multiple experimental results to be compared provided with two test sections in detection, and then
Ensure the accuracy of measurement；Side wall inside described casing 1 is provided with stabilized light source 12, can provide stabilization for detection environment
Light source, greatly reduces influence of the light for testing result；Described gas supply part is made up of blower fan 3 and air supply pipe 4, air supply pipe
The inside of 4 connection blower fans 3 and casing 1, the inside of described air supply pipe 4 is provided with filter, and filter is by the He of filter screen 13
Dry bag 14 to constitute, the quantity of filter screen 13 is two, dries bag 14 and is placed between two filter screens 13, and filter is used to filter sky
Solid particle polluter and moisture in gas, make testing result more accurate；Described test section is by base 6, Test paper
7th, liquid injection pipe 8 and check valve 9 are constituted, and the bottom of casing 1 is provided with base 6, and base 6 is provided with liquid injection pipe 8, and liquid injection pipe 8 is front end
Closing, the body of tail end opening, the preceding end seat of liquid injection pipe 8 on base 6, its tail end pass through the side wall of casing 1, user can lead to
The afterbody opening for crossing liquid injection pipe 8 on the side wall of casing 1 carries out utilizing ear washing bulb air blowing fluid injection；The toe lateral wall of liquid injection pipe 8 is provided with
Fluid hole 10, Test paper 7 is attached to the outside of fluid hole 10, before so detecting, Test paper 7 is in drying regime, as general
Lid 2 is covered, and casing 1 is in after closed state, opens stabilized light source 12, then fluid injection is detected；Afterbody in liquid injection pipe 8 is set
There is liquid storage cylinder 11（Such as Fig. 2）, the two ends of liquid storage cylinder 11 are equipped with check valve 9, and the top of liquid storage cylinder 11 is provided with liquid injection hole 15, detection
When ear washing bulb can be directed at liquid injection pipe 8 afterbody be blown, due to the effect of check valve 9, detection liquid in liquid storage cylinder 11 by
The front end movement to liquid injection pipe 8 is acted in pressure, is flowed out when being moved at fluid hole 10 by liquid injection hole 15, infiltrates Test paper
7, blower fan is then opened, formaldehyde examination is carried out to being blown into gas.
Claims (5)
1. dark box type formaldehyde examination device, is by casing（1）, lid（2）, gas supply part and test section constitute, it is characterised in that institute
The casing stated（1）Top be provided with lid（2）, casing（1）Side connection gas supply part, casing（1）Inside be provided with test section,
Described gas supply part is by blower fan（3）And air supply pipe（4）Composition, air supply pipe（4）Connect blower fan（3）And casing（1）Inside, it is described
Test section be by base（6）, Test paper（7）, liquid injection pipe（8）And check valve（9）Composition, casing（1）Bottom be provided with bottom
Seat（6）, base（6）It is provided with liquid injection pipe（8）, liquid injection pipe（8）It is front end closing, the body of tail end opening, liquid injection pipe（8）Before
End seat is in base（6）Upper, its tail end passes through casing（1）Side wall, liquid injection pipe（8）Toe lateral wall be provided with fluid hole（10）,
Test paper（7）It is attached to fluid hole（10）Outside, liquid injection pipe（8）Interior afterbody is provided with liquid storage cylinder（11）, liquid storage cylinder（11）
Two ends be equipped with check valve（9）, liquid storage cylinder（11）Top be provided with liquid injection hole（15）.
2. dark box type formaldehyde examination device as claimed in claim 1, it is characterised in that casing（1）Internal side wall is provided with steady
Determine light source（12）.
3. dark box type formaldehyde examination device as claimed in claim 1, it is characterised in that casing（1）With lid（2）Between be provided with
Sealing gasket（5）.
4. dark box type formaldehyde examination device as claimed in claim 1, it is characterised in that air supply pipe（4）Inside provided with filtering fill
Put, filter is by filter screen（13）Wrapped with drying（14）Constitute, filter screen（13）Quantity be two, dry bag（14）It is placed in two
Individual filter screen（13）Between.
5. dark box type formaldehyde examination device as claimed in claim 1, it is characterised in that casing（1）Inside be provided with more than one
Test section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720368008.2U CN206618741U (en) | 2017-04-10 | 2017-04-10 | Dark box type formaldehyde examination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720368008.2U CN206618741U (en) | 2017-04-10 | 2017-04-10 | Dark box type formaldehyde examination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206618741U true CN206618741U (en) | 2017-11-07 |
Family
ID=60235911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720368008.2U Expired - Fee Related CN206618741U (en) | 2017-04-10 | 2017-04-10 | Dark box type formaldehyde examination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206618741U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164099A (en) * | 2018-10-29 | 2019-01-08 | 张垚 | A method of detection indoor formaldehyde content |
| CN109808255A (en) * | 2019-01-25 | 2019-05-28 | 湖南华湘智能运控科技有限公司 | A kind of shell of mattress volatile gas collection detector |
| CN114354590A (en) * | 2021-12-24 | 2022-04-15 | 湖南吉大检验检测有限公司 | Measuring equipment for formaldehyde in ambient air |
-
2017
- 2017-04-10 CN CN201720368008.2U patent/CN206618741U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164099A (en) * | 2018-10-29 | 2019-01-08 | 张垚 | A method of detection indoor formaldehyde content |
| CN109808255A (en) * | 2019-01-25 | 2019-05-28 | 湖南华湘智能运控科技有限公司 | A kind of shell of mattress volatile gas collection detector |
| CN114354590A (en) * | 2021-12-24 | 2022-04-15 | 湖南吉大检验检测有限公司 | Measuring equipment for formaldehyde in ambient air |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 Termination date: 20180410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |