CN107907533B - Portable indoor formaldehyde detection device for new house - Google Patents
Portable indoor formaldehyde detection device for new house Download PDFInfo
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- CN107907533B CN107907533B CN201711130343.XA CN201711130343A CN107907533B CN 107907533 B CN107907533 B CN 107907533B CN 201711130343 A CN201711130343 A CN 201711130343A CN 107907533 B CN107907533 B CN 107907533B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N2021/7756—Sensor type
- G01N2021/7759—Dipstick; Test strip
Abstract
The invention discloses a portable formaldehyde detection device in a new room, which comprises a detection box body, a threaded rod, a detection liquid measurement pipe and a detection platform, wherein a glass window is arranged on the front end face of the detection box body, a first scale plate is arranged on the glass window, a threaded pipe is inserted in the threaded rod, the upper end of the detection liquid measurement pipe is fixed on a partition plate through a fixing rod, the detection platform is arranged on the left side of the bottom inside the detection box body, and detection test paper is arranged on the detection platform. The portable formaldehyde detection device in the new room calculates the formaldehyde content in unit volume through a chemical reaction formula, and the formaldehyde content detection is accurate.
Description
Technical Field
The invention relates to a formaldehyde detection device, in particular to a portable formaldehyde detection device in a new room.
Background
The main harm of formaldehyde is represented by stimulation to skin mucosa, and when the formaldehyde reaches a certain concentration indoors, people feel uncomfortable. Formaldehyde concentrations higher than 0.08m may cause redness, itching of the eyes, discomfort or pain in the throat, hoarseness, sneezing, chest distress, asthma, dermatitis, etc. The newly decorated room has high formaldehyde content and is the main cause of many diseases. Formaldehyde of the formula HCHO or CH2O, formula weight 30.03, also known as formaldehyde. Colorless gas, has special pungent odor, and has stimulating effect on eyes and nose.
When a new house is decorated, various artificial boards are used, the artificial boards are the main sources of indoor formaldehyde long-term pollution, and adhesives containing formaldehyde or formaldehyde directly added as a preservative are added in the processing and production processes of curtains, cloth textiles, wallpaper coatings and the like, so that the artificial boards also become formaldehyde release sources of new houses. The simplest formaldehyde detection method at present is test paper detection, which is simple, short in detection period and low in cost, but generally test paper detection is only simple qualitative detection and quantitative detection of unit volume.
Disclosure of Invention
The invention aims to provide a portable formaldehyde detection device in a new room to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a portable formaldehyde detection device in a new room comprises a detection box body, a threaded rod, a detection liquid measuring tube and a detection platform, wherein a display is arranged at the upper end of the detection box body, a fixed groove is formed in the left side of the detection box body, a sealing door is inserted in the fixed groove, a glass window is arranged on the front end face of the detection box body, a first scale plate is arranged on the glass window, the glass window is arranged to facilitate observation of the interior of the detection box body, a handle is arranged on the detection box body at the upper end of the glass window, the two handles are respectively distributed on the front end face and the rear end face of the detection box body, a bottom plate is arranged at the lower end of the detection box body, a supporting pad is respectively arranged on four corners of the lower surface of the bottom plate, a threaded pipe is inserted in the threaded rod, the threaded pipe is fixed on a fixed plate, the left side of the connecting column is fixed on the space adjusting push plate, the upper end of the space adjusting push plate is provided with a baffle plate, the rotating handle is rotated to drive the threaded rod, the threaded rod and the threaded pipe are mutually matched, the threaded transmission is realized, the space adjusting push plate is adjusted leftwards and rightwards, the internal volume of the detecting box body is further adjusted, formaldehyde can be conveniently detected in rooms in different spaces, detecting liquid is reasonably utilized, the upper end of the detecting liquid measuring pipe is fixed on the baffle plate through a fixing rod, the inside of the detecting liquid measuring pipe is provided with a cavity, the upper end of the cavity is provided with a top plate, the top plate is provided with a balance breather valve, the lower end of the balance breather valve is communicated with the cavity, the detecting liquid in the cavity is provided with a floating plate, the detecting liquid measuring pipe at the left side of the cavity is provided with a, be equipped with one-way feed liquor valve on the feed liquor pipe, feed liquor pipe right side is connected with the liquid extractor, and the liquid extractor upper end is passed through the liquid suction pipe and is connected the liquid reserve tank, and liquid reserve tank right side upper end is equipped with detection liquid pipe, and the liquid reserve tank lower extreme is fixed on the baffle, is equipped with the treater on the baffle of liquid reserve tank left side, and the treater left side is equipped with the power, detect the bottom left side that the platform set up in the detection box inside, be equipped with test paper on the.
As a further scheme of the invention: the spatial adjustment push plate is arranged and attached to the detection box body and the partition plate all around.
As a still further scheme of the invention: the material of detecting liquid survey buret sets up to glass.
As a still further scheme of the invention: and the floating plate and the space adjusting push plate are provided with photosites.
As a still further scheme of the invention: the second scale plate and the first scale plate are provided with scale marks matched with the induction floating plate and the space adjustment push plate, and each scale mark is independently arranged.
As a still further scheme of the invention: and an electromagnetic valve is arranged on the liquid outlet pipe.
As a still further scheme of the invention: and a liquid level metering plate is arranged in the detection liquid adding pipe.
As a still further scheme of the invention: and the detection platform is provided with a detection test paper fixing clamp.
Compared with the prior art, the invention has the beneficial effects that:
the portable formaldehyde detection device in a new house is placed in a newly decorated house, a sealing door is opened, standing is carried out for a period of time, when indoor air enters, detection liquid is dripped onto detection test paper through an electromagnetic valve arranged on a liquid outlet pipe to react with air in a detection box, light sensing points on a floating plate and a space adjustment push plate are mutually induced with scale marks on a second scale plate and a first scale plate, signals are transmitted to a processor through leads corresponding to the scale marks, the processor respectively calculates the volume of detection gas and the liquid consumption of detection liquid according to the width of a detection box body and the diameter higher than a detection liquid measuring pipe, and the calculated value is displayed in a display screen, so that the formaldehyde content in unit volume can be calculated through a chemical reaction formula, and the formaldehyde content is accurately detected.
Drawings
Fig. 1 is a schematic structural diagram of a portable formaldehyde detection device in a new room.
Fig. 2 is a left side view schematic diagram of a portable formaldehyde detecting device in a new room.
Fig. 3 is a schematic diagram of the internal structure of a portable formaldehyde detection device in a new room.
Fig. 4 is a schematic structural diagram of a detection liquid measuring tube in a portable formaldehyde detection device in a new room.
Fig. 5 is a circuit connection diagram of a portable formaldehyde detection device in a new room.
Wherein: sealing door 1, fixed slot 2, detect box 3, glass window 4, first scale plate 5, bottom plate 6, supporting pad 7, fixed plate 8, screwed pipe 9, threaded rod 10, turning handle 11, handle 12, add and detect liquid pipe 13, display screen 14, power 15, treater 16, dead lever 17, liquid suction pipe 18, detect liquid survey buret 19, liquid suction machine 20, test paper 21, detect platform 22, space adjustment push pedal 23, spliced pole 24, detect liquid reserve tank 25, balanced breather valve 191, roof 192, second scale plate 193, inner chamber 194, floating plate 195, feed liquor pipe 196, one-way drain valve 197, drain pipe 198.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Referring to fig. 1-5, a portable formaldehyde detecting device for a new room comprises a detecting box body 3, a threaded rod 10, a detecting liquid measuring tube 19 and a detecting table 22, wherein a display 14 is arranged at the upper end of the detecting box body 3, a fixing groove 2 is arranged at the left side of the detecting box body 3, a sealing door 1 is inserted in the fixing groove 2, a glass window 14 is arranged on the front end surface of the detecting box body 3, a first scale plate 15 is arranged on the glass window 14, the glass window 14 is arranged to facilitate observation of the inside of the detecting box body 3, a handle 12 is arranged on the detecting box body 3 at the upper end of the glass window 14, two handles 12 are arranged and respectively distributed on the front end surface and the rear end surface of the detecting box body 3, a bottom plate 6 is arranged at the lower end of the detecting box body 3, a supporting pad 7 is respectively arranged on four corners of the lower surface of the bottom plate 6, a threaded pipe 9 is, the right side of the threaded rod 10 is provided with a rotating handle 11, the left side of the threaded rod 10 is fixed on a connecting column 24, the connecting column 24 and the threaded rod 10 are fixed through a bearing, the left side of the connecting column 24 is fixed on a space adjusting push plate 23, a baffle plate is arranged on a detection box body 3 at the upper end of the space adjusting push plate 23, the space adjusting push plate 23 is arranged and is attached to the detection box body 3 and the baffle plate all around, the rotating handle 11 is rotated, the rotating handle 11 drives the threaded rod 10, the threaded rod 10 and a threaded pipe 9 are matched with each other, thread transmission is realized, the space adjusting push plate 23 is adjusted left and right, further, the internal volume of the detection box body 3 is adjusted, formaldehyde can be conveniently detected in rooms in different spaces, detection liquid is reasonably utilized, the upper end of the detection liquid measuring pipe 19 is fixed on the baffle, a balance ventilation valve 191 is arranged on the top plate 192, the lower end of the balance ventilation valve 191 is communicated with the cavity 194, a floating plate 195 is arranged on the detection liquid in the cavity 194, photosensitive points are arranged on the floating plate 195 and the space adjustment push plate 23, a second scale plate 193 is arranged on the detection liquid measurement accommodating pipe 19 on the left side of the cavity 194, scale marks matched with the induction floating plate 195 and the space adjustment push plate 23 are arranged on the second scale plate 193 and the first scale plate 5, each scale mark is independently arranged, the lower end of the detection liquid measurement pipe 9 is connected with a one-way liquid outlet valve 197 through a connecting pipe, the lower end of the one-way liquid outlet valve 197 is provided with a liquid outlet pipe 198, an electromagnetic valve is arranged on the liquid outlet pipe 198, a liquid inlet pipe 196 is arranged at the lower end of the left side of the detection liquid measurement pipe 19, a one-way liquid inlet valve is arranged on the liquid inlet pipe 196, the right side of the liquid inlet, add and detect liquid pipe 13 inside and be equipped with liquid level metering board, liquid tank 25 lower extreme is fixed on the baffle, be equipped with treater 16 on the baffle of liquid tank 25 left side, treater 16 left side is equipped with power 15, it sets up in the inside bottom left side of detection box 3 to detect platform 22, be equipped with test paper 21 on detecting platform 22, be equipped with the test paper fixation clamp on detecting platform 22, place formaldehyde detection device in the house of new decoration, open sealing door 1, static a period waits for the room air to get into, through the solenoid valve that sets up on the play liquid pipe 198 add the test paper 21 with detect the air reaction in the detection box 3 with detect the liquid drop, sensitization on floating plate 195 and space adjustment push pedal 23 and scale mark on second scale plate 193 and the first scale plate 5 are mutually responded to, correspond the scale mark and just give treater 16 through the wire signal transmission, treater 16 calculates gaseous volume of detection and detection liquid respectively according to the width that detects box 3 and the diameter that is higher than detection liquid survey buret 19 and detects liquid The calculated value is displayed on the display screen 14, so that the formaldehyde content in unit volume can be calculated through a chemical reaction formula, and the formaldehyde content is accurately detected.
The working principle of the invention is as follows: the portable formaldehyde detection device in a new house is placed in a newly decorated house, a sealing door is opened, standing is carried out for a period of time, when indoor air enters, detection liquid is dripped onto detection test paper through an electromagnetic valve arranged on a liquid outlet pipe to react with air in a detection box, light sensing points on a floating plate and a space adjustment push plate are mutually induced with scale marks on a second scale plate and a first scale plate, signals are transmitted to a processor through leads corresponding to the scale marks, the processor respectively calculates the volume of detection gas and the liquid consumption of detection liquid according to the width of a detection box body and the diameter higher than a detection liquid measuring pipe, and the calculated value is displayed in a display screen, so that the formaldehyde content in unit volume can be calculated through a chemical reaction formula, and the formaldehyde content is accurately detected.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A portable formaldehyde detection device in a new room comprises a detection box body (3), a threaded rod (10), a detection liquid measuring pipe (19) and a detection table (22), and is characterized in that a display (14) is arranged at the upper end of the detection box body (3), a fixing groove (2) is arranged on the left side of the detection box body (3), a sealing door (1) is inserted in the fixing groove (2), a glass window (14) is arranged on the front end face of the detection box body (3), a first scale plate (15) is arranged on the glass window (14), the glass window (14) is arranged so as to be convenient for observing the interior of the detection box body (3), a handle (12) is arranged on the detection box body (3) at the upper end of the glass window (14), the two handles (12) are respectively distributed on the front end face and the rear end face of the detection box body (3), a bottom plate (6) is arranged at the lower end of the detection box body (3), threaded rod (10) is inserted with threaded pipe (9), threaded pipe (9) is fixed on fixed plate (8), fixed plate (8) is fixed on the left side of detection box (3), threaded rod (10) right side is equipped with turning handle (11), threaded rod (10) left side is fixed on spliced pole (24), spliced pole (24) and threaded rod (10) are fixed through the bearing, spliced pole (24) left side is fixed on space adjustment push pedal (23), space adjustment push pedal (23) upper end is equipped with the baffle on detection box (3), turning handle (11) drives threaded rod (10), threaded rod (10) and threaded pipe (9) are mutually matched, screw transmission, realize left and right adjustment space adjustment push pedal (23), and then adjust the internal volume of detection box (3), be convenient for detect formaldehyde in the room in different spaces, detect liquid rationally, the upper end of the detection liquid measuring pipe (19) is fixed on the partition plate through a fixing rod (17), a cavity (194) is arranged inside the detection liquid measuring pipe (19), a top plate (192) is arranged at the upper end of the cavity (194), a balance vent valve (191) is arranged on the top plate (192), the lower end of the balance vent valve (191) is communicated with the cavity (194), a floating plate (195) is arranged on detection liquid inside the cavity (194), a second scale plate (193) is arranged on the detection liquid measuring pipe (19) on the left side of the cavity (194), the lower end of the detection liquid measuring pipe (9) is connected with a one-way liquid outlet valve (197) through a connecting pipe, a liquid outlet pipe (198) is arranged at the lower end of the one-way liquid outlet valve (197), a liquid inlet pipe (196) is arranged at the lower end of the left side of the detection liquid measuring pipe (19), a one-way liquid inlet valve is arranged on the liquid inlet pipe, liquid reserve tank (25) right side upper end is equipped with and detects liquid pipe (13), and liquid reserve tank (25) lower extreme is fixed on the baffle, is equipped with treater (16) on the baffle of liquid reserve tank (25) left side, and treater (16) left side is equipped with power (15), it sets up in the bottom left side of detecting box (3) inside to detect platform (22), is equipped with test paper (21) on detecting platform (22).
2. The portable formaldehyde detecting device in the new room as claimed in claim 1, wherein the space adjusting push plate (23) is disposed and attached to the detecting box (3) and the partition board.
3. The portable formaldehyde detecting device in a new room as claimed in claim 1, wherein the detecting liquid measuring tube (19) is made of glass.
4. The portable formaldehyde detecting device as claimed in claim 1, wherein the floating plate (195) and the space adjusting push plate (23) are provided with photosites.
5. The portable formaldehyde detecting device as claimed in claim 1, wherein the second scale plate (193) and the first scale plate (5) are provided with scales for matching the sensing floating plate (195) and the space adjusting push plate (23), and each scale is independently provided.
6. The portable formaldehyde detecting device as claimed in claim 1, wherein the outlet pipe (198) is provided with an electromagnetic valve.
7. The portable formaldehyde detecting device in the new room as claimed in claim 1, wherein a liquid level gauge plate is provided inside the liquid adding and detecting tube (13).
8. The portable formaldehyde detecting device in a new room as claimed in claim 1, wherein the detecting table (22) is provided with a fixing clamp for detecting test paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130343.XA CN107907533B (en) | 2017-11-15 | 2017-11-15 | Portable indoor formaldehyde detection device for new house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130343.XA CN107907533B (en) | 2017-11-15 | 2017-11-15 | Portable indoor formaldehyde detection device for new house |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107907533A CN107907533A (en) | 2018-04-13 |
| CN107907533B true CN107907533B (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711130343.XA Active CN107907533B (en) | 2017-11-15 | 2017-11-15 | Portable indoor formaldehyde detection device for new house |
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| Country | Link |
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| CN (1) | CN107907533B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1763141A (en) * | 2004-10-18 | 2006-04-26 | 日东电工株式会社 | Pressure-sensitive adhesive sheet |
| CN205667703U (en) * | 2016-03-31 | 2016-11-02 | 李秀琴 | A kind of musical respiration training device |
| CN206594140U (en) * | 2017-04-10 | 2017-10-27 | 董晶 | Portable formaldehyde examination device |
-
2017
- 2017-11-15 CN CN201711130343.XA patent/CN107907533B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1763141A (en) * | 2004-10-18 | 2006-04-26 | 日东电工株式会社 | Pressure-sensitive adhesive sheet |
| CN205667703U (en) * | 2016-03-31 | 2016-11-02 | 李秀琴 | A kind of musical respiration training device |
| CN206594140U (en) * | 2017-04-10 | 2017-10-27 | 董晶 | Portable formaldehyde examination device |
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| CN107907533A (en) | 2018-04-13 |
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Effective date of registration: 20200422 Address after: 528300 Building 2, No.203, Xingui Road, Shabian village committee, Lecong Town, Shunde District, Foshan City, Guangdong Province Applicant after: Guangdong Shunde Zhongyue Testing Technology Co., Ltd Address before: 530000 the Guangxi Zhuang Autonomous Region Nanning Qingxiu District National Road No. 63-1 oujing City Plaza T1 Building No. T1-0907 Applicant before: GUANGXI ZONGGAI CONSULTING SERVICE Co.,Ltd. |
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