CN208109706U - A kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function - Google Patents
A kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function Download PDFInfo
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- CN208109706U CN208109706U CN201820512743.0U CN201820512743U CN208109706U CN 208109706 U CN208109706 U CN 208109706U CN 201820512743 U CN201820512743 U CN 201820512743U CN 208109706 U CN208109706 U CN 208109706U
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- formaldehyde
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Abstract
The utility model discloses a kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function,Including shell,The front side wall left end of the shell is equipped with concentration detection apparatus,The liquid crystal display is electrically connected singlechip microprocessor,The singlechip microprocessor is electrically connected electrochemical sensor,Shell, which is taken detection scene, by pull ring will test or so phenol reagent storing bottle unlimited bottle cap placement live minute of formaldehyde,Test paper is clipped in elastic clip again,At this moment pass through mobile sliding block,So that it is compared in the color bar that sliding slot inner sidewall slides and then blocks with concentration of formaldehyde comparison colour developing and then judges live concentration of formaldehyde,It is compared with the result that concentration detection apparatus obtains,Difference error can less obtain the result of accurately live concentration of formaldehyde detection,And people's concentration of formaldehyde can be reminded just to be hazardous to the human body in and carry out corresponding measure.
Description
Technical field：
The utility model relates to formaldehyde examination technical field, specially a kind of first with in-site measurement concentration of formaldehyde function
Aldehyde measuring instrument.
Background technique：
The concentration for detecting formaldehyde can be by formaldehyde examination instrument using highly sensitive electrochemical sensor principle, in conjunction with list
Piece machine technology and network communications technology acquire air sample to detection place, can directly obtain the dense of the formaldehyde in air
Degree, can also be by being absorbed by phenol reagent solution, and reaction generates piperazine, and piperazine aoxidizes shape by color developing agent ferric ion in an acidic solution
At blue-green compound.According to shade, direct Colorimetric Determination at the scene, only individual two methods, make so at present
The measurement inaccuracy of concentration of formaldehyde, and colorimetric estimation cannot intuitively be accomplished to remind people's formaldehyde arrival how much concentration harmful.
Utility model content：
The purpose of this utility model is to provide a kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions：One kind having in-site measurement concentration of formaldehyde function
The front side wall left end of the formaldehyde measurement instrument of energy, including shell, the shell is equipped with concentration detection apparatus, the front side wall of the shell
Right end offers cavity, and the inner sidewall of the cavity is fixedly installed with liquid crystal display, the fixed peace of the inner cavity right end of the shell
Equipped with electrochemical sensor, the inner cavity left end of the shell is fixedly installed with singlechip microprocessor, the front side wall of the shell
Power switch is offered at the top of right end, the bottom end of the power switch offers gas outlet, and the front side wall right end of the shell is opened
Equipped with air inlet, and gas outlet is connected with air inlet, and the bottom end of the air inlet offers charge power supply interface, the liquid crystal
Display screen electric connection of power supply switch, the power switch are electrically connected charge power supply interface, and the liquid crystal display is electrically connected monolithic
Machine microprocessor, the singlechip microprocessor are electrically connected electrochemical sensor；
The concentration detection apparatus includes test chamber, and it is aobvious that the rear wall of the test chamber is fixedly installed with concentration of formaldehyde comparison
The front side wall four corners of colour atla, the concentration of formaldehyde comparison colour developing card are bolted with glass shell, the top and bottom sidewall of the test chamber
Front end is fixedly installed with LED light group, and the left side wall of the test chamber is fixedly installed with one end of adjusting rod, the adjusting rod
The other end is fixedly installed in the right side wall of test chamber, and the front side wall of the adjusting rod offers sliding slot, the inner sidewall of the sliding slot
It is connected with sliding block, the front side wall of the sliding block is fixedly installed with elastic clip, and the rear wall of the sliding block is fixedly installed with pressing
One end of spring, the inner sidewall that sliding slot is slidably mounted on by the other end of pressing spring, the inner sidewall upper and lower two of the sliding slot
End offers fixture block group, and the fixture block group shares eight groups, and the inner cavity of the third fixture block group offers switch button, and opens
The rear wall inner cavity that button is opened in adjusting rod is closed, the switch button is electrically connected LED light group, and the LED light group electrical connection is outer
Portion's power supply.
Preferably, it compared in order to preferably compare 202 progress effectively of colour developing card with concentration of formaldehyde, can voluntarily adjust
Section is set, and the width of the fixture block group 208 is more than or equal to the width of sliding block 207.
Preferably, initial position can be rapidly returned back to after test paper color contrast in this way, the left side wall of the sliding block is solid
Dingan County is equipped with reset spring.
Preferably, it will not influence the bright prompting people's concentration of formaldehyde of other LED light to break down with a LED light wherein
It is exceeded, it is in parallel between the LED light group.
Preferably, in order to LED light group be better controlled by switch button, the switch button and LED
Lamp group series connection.
Preferably so that it is convenient to carry, convenient for taking, the upper surface of the shell is fixedly installed with pull ring.
Compared with prior art, the utility model has the beneficial effects that：Shell is taken inspection by pull ring by the utility model
The phenol reagent storing bottle that the scene of survey will test formaldehyde opens wide bottle cap and places or so live minute, and test paper is at this moment dipped into phenol reagent
Equal Color developments are clipped in elastic clip when on test paper, then by test paper in storing bottle, at this moment by mobile sliding block, make it in cunning
The color bar that the sliding of slot inner sidewall compares on colour developing card with concentration of formaldehyde in turn compares and then the concentration of formaldehyde at judgement scene, i.e.,
Concentration of formaldehyde comparison colour developing card shares 8 colour developing items, respectively represent 0.00,0.05,0.10,0.20,0.40,0.60,0.80,
1.20(mg/m3) concentration of formaldehyde, eight fixture block groups correspond 8 colour developing items, i.e., when sliding block slides into third fixture block group
When, sliding block subsequent movement and then push switch button after pressing pressing spring phase, switch button lightening LED lamp group, intuitive prompting
The concentration of people's formaldehyde has certain harm, and startup power supply switch allows the air at scene to pass through air inlet while Concentration Testing
The electrochemical sensor of model PPM-ST is measured the concentration of formaldehyde, and then controls the single-chip microcontroller micro process of model ATC
Device and the display that concentration of formaldehyde is carried out to liquid crystal display, compare with the result that concentration detection apparatus obtains, differ error
Can less obtain accurately live concentration of formaldehyde detection as a result, and can intuitively remind people that concentration of formaldehyde exists
It has just been hazardous to the human body when 0.10 and has carried out corresponding measure.
Detailed description of the invention：
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model concentration detection apparatus structural schematic diagram；
Fig. 3 is the utility model adjusting rod structural schematic diagram；
Fig. 4 is the adjusting rod left view schematic diagram of the utility model.
In figure：1 shell, 2 concentration detection apparatus, 201 test chambers, 202 concentration of formaldehyde comparison colour developing card, 203 glass shells,
204 LED light groups, 205 adjusting rods, 206 sliding slots, 207 sliding blocks, 208 fixture block groups, 209 switch buttons, 210 elastic clips, 211 are pressed
Pressing spring, 212 reset springs, 3 cavitys, 4 liquid crystal displays, 5 electrochemical sensors, 6 singlechip microprocessors, 7 power switches,
8 gas outlets, 9 air inlets, 10 charge power supply interfaces, 11 pull rings.
Specific embodiment：
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution：It is a kind of with in-site measurement concentration of formaldehyde function
The front side wall left end of formaldehyde measurement instrument, including shell 1, shell 1 is equipped with concentration detection apparatus 2, and the front side wall right end of shell 1 opens up
There is cavity 3, the inner sidewall of cavity 3 is fixedly installed with liquid crystal display 4, and the inner cavity right end of shell 1 is fixedly installed with electrochemistry biography
Sensor 5, the inner cavity left end of shell 1 are fixedly installed with singlechip microprocessor 6, offer electricity at the top of the front side wall right end of shell 1
Source switch 7, the bottom end of power switch 7 offer gas outlet 8, and the front side wall right end of shell 1 offers air inlet 9, and gas outlet 8
It is connected with air inlet 9, the bottom end of air inlet 9 offers charge power supply interface 10,4 electric connection of power supply switch 7 of liquid crystal display,
Power switch 7 is electrically connected charge power supply interface 10, and liquid crystal display 4 is electrically connected singlechip microprocessor 6, singlechip microprocessor
6 electrical connection electrochemical sensors 5；
Concentration detection apparatus 2 includes test chamber 201, and it is aobvious that the rear wall of test chamber 201 is fixedly installed with concentration of formaldehyde comparison
The front side wall four corners of colour atla 202, concentration of formaldehyde comparison colour developing card 202 are bolted with glass shell 203, test chamber 201 up and down
Side wall front end is fixedly installed with LED light group 204, and the left side wall of test chamber 201 is fixedly installed with one end of adjusting rod 205, adjusts
The other end of pole 205 is fixedly installed in the right side wall of test chamber 201, and the front side wall of adjusting rod 205 offers sliding slot 206, sliding
The inner sidewall of slot 206 is connected with sliding block 207, and the front side wall of sliding block 207 is fixedly installed with elastic clip 210, the rear side of sliding block 207
Wall is fixedly installed with one end by pressing spring 211, and the inner sidewall of sliding slot 206 is slidably mounted on by the other end of pressing spring 211, sliding
The inner sidewall upper and lower ends of slot 206 offer fixture block group 208, and fixture block group 208 shares eight groups, third fixture block group 208 it is interior
Chamber offers switch button 209, and switch button 209 is opened in the rear wall inner cavity of adjusting rod 205, and switch button 209 is electrically connected
LED light group 204 is connect, LED light group 204 is electrically connected external power supply, when the concentration of formaldehyde to scene detects, passes through drawing first
Shell 1 is taken detection scene by ring 11 will test the phenol reagent storing bottle unlimited bottle cap placement scene 40 minutes or so of formaldehyde, this
When test paper be dipped into phenol reagent storing bottle equal Color developments be clipped in elastic clip 210 when on test paper, then by test paper, this
When by mobile sliding block 207, slide it in 206 inner sidewall of sliding slot and then compare the color on colour developing card 202 with concentration of formaldehyde
Item compares and then judges that the concentration of formaldehyde at scene, i.e. concentration of formaldehyde comparison colour developing card 202 share 8 colour developing items, respectively represent
0.00、0.05、0.10、0.20、0.40、0.60、0.80、1.2(mg/m3) concentration of formaldehyde, eight fixture block groups 208 correspond
8 colour developing items move after subsequent 211 phase by pressing spring of sliding block 207 that is, when sliding block 207 slides into third fixture block group 208
And then push switch button 209,209 lightening LED lamp group 204 of switch button, the intuitive concentration for reminding people's formaldehyde have certain
Harm, startup power supply switch 7 allows the air at scene by the electricity of 9 model PPM-400ST of air inlet while Concentration Testing
Chemical sensor 5 is measured the concentration of formaldehyde, and then controls the singlechip microprocessor 6 of model AT89C52 and to liquid crystal
Display screen 4 carries out the display of concentration of formaldehyde, and the result obtained with concentration detection apparatus 2 compares, and difference error is little
With obtain accurately live concentration of formaldehyde detection as a result, and can remind people's concentration of formaldehyde at 0.10 just to people
Body is harmful to carry out corresponding measure.
Specifically, compared in order to preferably compare 202 progress effectively of colour developing card with concentration of formaldehyde, it can be voluntarily
Adjusting position, the width of fixture block group 208 are more than or equal to the width of sliding block 207.
Specifically, can rapidly return back to initial position after test paper color contrast in this way, the left side wall of sliding block 207 is solid
Dingan County is equipped with reset spring 212.
Specifically, in order to be broken down with a LED light wherein, to will not influence the bright prompting people's formaldehyde of other LED light dense
Spend exceeded, parallel connection between LED light group 204.
Specifically, in order to LED light group 204 be better controlled by switch button 209, switch button
209 connect with LED light group 204.
Specifically, being convenient for carrying in this way, convenient for taking, the upper surface of shell 1 is fixedly installed with pull ring 11.
Working principle：When the concentration of formaldehyde to scene detects, it is existing that shell 1 is taken by detection by pull ring 11 first
The phenol reagent storing bottle that field will test formaldehyde opens wide bottle cap and places scene 40 minutes or so, and test paper is at this moment dipped into phenol reagent and is deposited
It puts equal Color developments in bottle to be clipped in elastic clip 210 when on test paper, then by test paper, at this moment by mobile sliding block 207, makes it
206 inner sidewall of sliding slot slide so that with concentration of formaldehyde compare colour developing card 202 on color bar compare so that judge scene
Concentration of formaldehyde, i.e. concentration of formaldehyde comparison colour developing card 202 share 8 colour developing items, respectively represent 0.00,0.05,0.10,0.20,
0.40、0.60、0.80、1.2(mg/m3) concentration of formaldehyde, eight fixture block groups 208 correspond 8 colour developing items, that is, work as sliding block
207 when sliding into third fixture block group 208, sliding block 207 subsequent movement and then push switch button after pressing 211 phase of pressing spring
209,209 lightening LED lamp group 204 of switch button, the intuitive concentration for reminding people's formaldehyde has certain harm, in Concentration Testing
Startup power supply switch 7 allows the air at scene to be surveyed by the electrochemical sensor 5 of 9 model PPM-400ST of air inlet simultaneously
Determine the concentration of formaldehyde, and then controls the singlechip microprocessor 6 of model AT89C52 and to carry out formaldehyde to liquid crystal display 4 dense
The display of degree, the result obtained with concentration detection apparatus 2 compare, and difference error can less obtain accurately existing
The detection of concentration of formaldehyde as a result, and can remind people's concentration of formaldehyde be just hazardous to the human body at 0.10 carry out it is corresponding
Measure.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function, it is characterised in that：It is described outer including shell (1)
The front side wall left end of shell (1) is equipped with concentration detection apparatus (2), and the front side wall right end of the shell (1) is equipped with cavity (3), described
The inner sidewall of cavity (3) is fixedly installed with liquid crystal display (4), and the inner cavity right end of the shell (1) is fixedly installed with electrochemistry
The inner cavity left end of sensor (5), the shell (1) is fixedly installed with singlechip microprocessor (6), the front side of the shell (1)
It is offered power switch (7) at the top of wall right end, the bottom end of the power switch (7) offers gas outlet (8), the shell (1)
Front side wall right end offer air inlet (9), and gas outlet (8) are connected with air inlet (9), the bottom end of the air inlet (9)
It offers charge power supply interface (10), liquid crystal display (4) electric connection of power supply switchs (7), and the power switch (7) is electrically connected
It connects charge power supply interface (10), the liquid crystal display (4) is electrically connected singlechip microprocessor (6), the single-chip microcontroller micro process
Device (6) is electrically connected electrochemical sensor (5)；
The concentration detection apparatus (2) includes test chamber (201), and the rear wall of the test chamber (201) is fixedly installed with formaldehyde
Concentrations versus, which develops the color, blocks (202), and the front side wall four corners of the concentration of formaldehyde comparison colour developing card (202) are bolted with glass shell
(203), the top and bottom sidewall front end of the test chamber (201) is fixedly installed with LED light group (204), the test chamber (201)
Left side wall is fixedly installed with one end of adjusting rod (205), and the other end of the adjusting rod (205) is fixedly installed in test chamber
(201) front side wall of right side wall, the adjusting rod (205) offers sliding slot (206), the inner sidewall card of the sliding slot (206)
It is connected to sliding block (207), the front side wall of the sliding block (207) is fixedly installed with elastic clip (210), after the sliding block (207)
Side wall is fixedly installed with one end by pressing spring (211), and the other end by pressing spring (211) is slidably mounted on sliding slot
(206) the inner sidewall upper and lower ends of inner sidewall, the sliding slot (206) offer fixture block group (208), the fixture block group
(208) eight groups are shared, the inner cavity of the third fixture block group (208) offers switch button (209), and switch button (209)
It is opened in the rear wall inner cavity of adjusting rod (205), the switch button (209) is electrically connected LED light group (204), the LED light group
(204) it is electrically connected external power supply.
2. a kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function according to claim 1, it is characterised in that：
The width of the fixture block group (208) is more than or equal to the width of sliding block (207).
3. a kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function according to claim 1, it is characterised in that：
The left side wall of the sliding block (207) is fixedly installed with reset spring (212).
4. a kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function according to claim 1, it is characterised in that：
It is in parallel between the LED light group (204).
5. a kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function according to claim 1, it is characterised in that：
The switch button (209) is connected with LED light group (204).
6. a kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function according to claim 1, it is characterised in that：
The upper surface of the shell (1) is fixedly installed with pull ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820512743.0U CN208109706U (en) | 2018-04-10 | 2018-04-10 | A kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820512743.0U CN208109706U (en) | 2018-04-10 | 2018-04-10 | A kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208109706U true CN208109706U (en) | 2018-11-16 |
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ID=64121471
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820512743.0U Active CN208109706U (en) | 2018-04-10 | 2018-04-10 | A kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function |
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| CN (1) | CN208109706U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108819A (en) * | 2019-06-10 | 2019-08-09 | 汪梅荣 | A kind of intelligence methylene oxide detecting instrument |
| CN111359391A (en) * | 2020-05-12 | 2020-07-03 | 台州路桥博仁环保设备有限公司 | Formaldehyde detects remove device |
-
2018
- 2018-04-10 CN CN201820512743.0U patent/CN208109706U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108819A (en) * | 2019-06-10 | 2019-08-09 | 汪梅荣 | A kind of intelligence methylene oxide detecting instrument |
| CN111359391A (en) * | 2020-05-12 | 2020-07-03 | 台州路桥博仁环保设备有限公司 | Formaldehyde detects remove device |
| CN111359391B (en) * | 2020-05-12 | 2021-03-02 | 浙江高鑫安全检测科技有限公司 | Formaldehyde detects remove device |
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