CN109085306A - A kind of formaldehyde examination device - Google Patents
A kind of formaldehyde examination device Download PDFInfo
- Publication number
- CN109085306A CN109085306A CN201811058696.8A CN201811058696A CN109085306A CN 109085306 A CN109085306 A CN 109085306A CN 201811058696 A CN201811058696 A CN 201811058696A CN 109085306 A CN109085306 A CN 109085306A
- Authority
- CN
- China
- Prior art keywords
- top shell
- display screen
- bottom case
- formaldehyde
- fixedly installed
- Prior art date
- 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.)
- Pending
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 198
- 241000237983 Trochidae Species 0.000 claims abstract description 65
- 229920001971 elastomer Polymers 0.000 claims abstract description 55
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 13
- 238000009423 ventilation Methods 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000000452 restraining effect Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000000622 irritating effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 229960004011 methenamine Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a kind of formaldehyde examination devices, including top shell, the top shell back side is fixedly installed with bottom case, the lower middle position of the top shell two sides is fixed with anti-slip rubber and holds block, left side below the mini-fan is fixedly installed with formaldehyde examination sensor, right side below the mini-fan is fixedly installed with temperature sensor, is fixedly installed with humidity sensor below the temperature sensor.The formaldehyde examination device compares more original formaldehyde examination device, uses portable construction and designs, appearance looks elegant is small and exquisite, light portable, reduces occupied area, and LCD liquid crystal display screen has been added, making to measure the content of formaldehyde result in air can intuitively be presented in LCD liquid crystal display screen；It is not small and exquisite enough to solve design structure, it is excessively heavy, it is not easy to carry, occupied area is larger, and measure the presentation of the content of formaldehyde result in air not enough directly, the problem of making troubles to detection work.
Description
Technical field
The present invention relates to formaldehyde testing equipment technical field, specifically a kind of formaldehyde examination device.
Background technique
Formaldehyde is also known as formaldehyde.Colourless gas has special penetrating odor, to the irritating effect such as human eye, nose.It can be by methanol
Dehydrogenation or oxidation are made under the metal catalytics such as silver, copper, can also separate from the oxidation product of hydro carbons.Can be used as phenolic resin,
The raw material of Lauxite, polyvinyl, methenamine, pentaerythrite, dyestuff, pesticide and disinfectant etc..Formaldehyde examination, which refers to, passes through spy
Fixed method or instrument, the formaldehyde contained to empty gas and water, food, clothing, plate, leather etc. do quantitative detection.House is filled
Formaldehyde is often easy to produce when repairing, Long Term Contact low concentration formaldehyde steam there can be the symptoms such as headache, weak and feeble, due to formaldehyde
Have very big harm to people, we must prudent treatment, indoor formaldehyde is detected.
However that there is design structures mostly is not small and exquisite enough for existing formaldehyde examination device on existing market, it is excessively heavy,
It is not easily carried, occupied area is larger, and measures the not direct enough of the presentation of the content of formaldehyde result in air, gives detection work
It makes troubles, while corresponding prompt cannot be provided in time when detecting that formaldehyde in air content is exceeded to remind detection people
Member, improves the risk of work, and be easy that testing staff is allowed to take for normally, more dangerous disadvantage.
Summary of the invention
In view of this, having light portable, testing result the purpose of the present invention is to provide a kind of formaldehyde examination device
It can directly present, and the advantages of when concentration of formaldehyde is exceeded in air can remind user in time.
To achieve the goals above, the technical solution adopted by the present invention are as follows: a kind of formaldehyde examination device, including top shell, institute
It states top shell back side and is fixedly installed with bottom case, the lower middle position of the top shell two sides is fixed with anti-slip rubber and holds block, the bottom
The lower middle position of shell two sides is fixed with anti-slip rubber and holds block, and the upper end middle position of the top shell is fixedly installed with LCD liquid
Crystal display screen, the middle position at the top of the top shell are movably installed with lasso, and the interior periphery position of the top shell offers peace
Fill threaded hole, the inner upper end middle position of the top shell is movably installed with single-chip microcontroller, two side of inner upper end of the top shell to
The inner upper end two sides opens outward for being inside reserved with top shell described in inserting groove is equipped with thermovent, and the top shell bottom offers USB and fills
Electrical interface, the front upper portion middle position of the top shell offer display screen placing groove, and the bottom case border offers installation spiral shell
Pit is movably installed with partition on the bottom shell frame, and the bottom of the bottom case offers ventilation opening, the bottom case bottom
Ventilation opening right positions are fixed with the second elastic rubber rope, and bottom case back side installation screw thread hole site is movably installed with installation spiral shell
Nail, the top of the bottom shell offer air inlet, are fixedly installed with light emitting diode above the LCD liquid crystal display screen,
Left side below the LCD liquid crystal display screen is movably installed with draft switch button, the right side below the LCD liquid crystal display screen
Be movably installed with power switch button, be fixedly installed with loudspeaker immediately below the LCD liquid crystal display screen, the lasso it is upper
Fixed restraining position ring block is held, the avris of the lasso is fixed with the first elastic rubber rope, is fixed with blast pipe in the stop collar, institute
The top for stating blast pipe is movably installed with blast pipe nut cap, and the blast pipe inner upper end is fixed with wire screen, described
Blast pipe nut cap avris is fixedly connected with the first elastic rubber rope, and the thermovent outer side covering has wire Air Filter, described
Electrically output connects for USB charging interface and single-chip microcontroller, and partition lower middle position offers battery fixing groove, and described second
Elastic rubber tail of rope end is fixedly connected with rubber stopper, and lithium battery group, the display screen are movably installed in the battery fixing groove
Lamp hole is offered above placing groove, the display screen placing groove lower left offers draft switch hole, and the display screen is placed
Slot lower right offers power initiation hole, offers speaker hole, the air inlet bottom immediately below the display screen placing groove
Portion is equipped with mini-fan, and the mini-fan is fixedly mounted on the top of bottom shell, the left side below the mini-fan
It is fixedly installed with formaldehyde examination sensor, the right side below the mini-fan is fixedly installed with temperature sensor, the temperature
Humidity sensor is fixedly installed with below sensor.
The key ideas of above-mentioned technical proposal is: using portable construction and designs, appearance looks elegant is small and exquisite, light portable
Band reduces occupied area, and has added LCD liquid crystal display screen, and making to measure the content of formaldehyde result in air can intuitively be in
In present LCD liquid crystal display screen, while the design of loudspeaker keeps equipment timely when detecting that formaldehyde in air content is exceeded
Corresponding prompt is provided to remind testing staff, effectively reduces the risk of work.
Further, the top shell and bottom case, which are threadedly coupled by mounting screw with installation threaded hole, is fixed together, and
Top shell and bottom case are detachable structure, at the same be provided with partition among bottom case.
Further, the anti-slip rubber holds block and is respectively symmetrically fixed on the two of top shell and bottom case for specification identical four
Side, and anti-slip rubber holds block using rubber material, while anti-slip rubber holds block avris and is provided with equally distributed antiskid particles.
Further, the light emitting diode with lamp hole is that specification is three identical, and the size of light emitting diode with
The size of lamp hole matches, while the luminescent color of light emitting diode is respectively green, yellow and red, different color difference
Corresponding different concentration of formaldehyde.
Further, the internal diameter of the lasso is greater than the outer diameter of blast pipe, and lasso is rubbery loop, while lasso can
It is rotated on blast pipe.
Further, the display screen for being integrated with main control chip circuit on the single-chip microcontroller and being electrically connected with main control chip circuit
Control circuit, power control circuit, LED control circuit, speaker control circuitry, sensor control circuit and fan
Control circuit.
The beneficial effects of the present invention are: the formaldehyde examination device, compares more original formaldehyde examination device, use portable
Structure design, appearance looks elegant is small and exquisite, light portable, reduces occupied area, and added LCD liquid crystal display screen, makes to measure
Content of formaldehyde result in air can be intuitively presented in LCD liquid crystal display screen, while the design of loudspeaker is examining equipment
Measure formaldehyde in air content it is exceeded when can provide corresponding prompt in time to remind testing staff, effectively reduce the wind of work
It is dangerous；It is not small and exquisite enough to solve design structure, it is excessively heavy, it is not easy to carry, occupied area is larger, and measures in air
Content of formaldehyde result is presented not direct enough, is made troubles to detection work, while detecting that formaldehyde in air content is exceeded
Shi Buneng provides corresponding prompt in time to remind testing staff, improves the risk of work, and be easy that testing staff is allowed to miss
Think normally, more dangerous problem.
Detailed description of the invention
Fig. 1 show positive structure diagram of the present invention；
Fig. 2 show top shell backsight structural representation of the present invention；
Fig. 3 show bottom case backsight structural representation of the present invention；
Fig. 4 show side structure schematic view of the present invention；
Fig. 5 show present invention looks up structural representation of the present invention；
Fig. 6 show bottom case positive structure diagram of the present invention；
Fig. 7 show bottom case the schematic diagram of the section structure of the present invention；
Fig. 8 show top shell positive structure diagram of the present invention.
Drawing reference numeral explanation:
1, top shell；2, bottom case；3, anti-slip rubber holds block；4, LCD liquid crystal display screen；5, light emitting diode；6, draft switch button；
7, power switch button；8, loudspeaker；9, lasso；10, stop collar；11, blast pipe；12, blast pipe nut cap；13, the first elastic force
Rubber rope；14, threaded hole is installed；15, single-chip microcontroller；16, inserting groove；17, thermovent；18, USB charging interface；19, partition；20,
Ventilation opening；21, the second elastic rubber rope；22, rubber stopper；23, mounting screw；24, wire Air Filter；25, wire filter
Net；26, battery fixing groove；27, lithium battery group；28, display screen placing groove；29, lamp hole；30, draft switch hole；31, power supply opens
Dynamic hole；32, speaker hole；33, air inlet；34, mini-fan；35, formaldehyde examination sensor；36, temperature sensor；37, wet
Spend sensor.
Specific embodiment
It is as follows that the present invention is described further in the following with reference to the drawings and specific embodiments.
As Figure 1-Figure 8, a kind of formaldehyde examination device provided by the invention, including top shell 1, the fixed peace of 1 back side of top shell
Equipped with bottom case 2, the lower middle position of 1 two sides of top shell is fixed with anti-slip rubber and holds block 3, the lower middle position of 2 two sides of bottom case
It is fixed with anti-slip rubber and holds block 3, the upper end middle position of top shell 1 is fixedly installed with LCD liquid crystal display screen 4, in 1 top of top shell
Between position be movably installed with lasso 9, the interior periphery position of top shell 1 offers installation threaded hole 14, in the inner upper end of top shell 1
Between position be movably installed with single-chip microcontroller 15, the inner upper end two sides of top shell 1 are inwardly reserved with the inner upper end of 16 top shell 1 of inserting groove
Two sides opens outward is equipped with thermovent 17, and 1 bottom of top shell offers USB charging interface 18, and the front upper portion middle position of top shell 1 is opened
Equipped with display screen placing groove 28,2 border of bottom case offers installation threaded hole 14, is movably installed with partition in 2 internal border of bottom case
19, the bottom of bottom case 2 offers ventilation opening 20, and 2 bottom vent of bottom case, 20 right positions are fixed with the second elastic rubber rope 21,
2 back side of bottom case installation, 14 position of threaded hole is movably installed with mounting screw 23, and the top inside bottom case 2 offers air inlet 33,
Light emitting diode 5 is fixedly installed with above LCD liquid crystal display screen 4, the left side of 4 lower section of LCD liquid crystal display screen is movably installed with logical
The right side of wind switch button 6,4 lower section of LCD liquid crystal display screen is movably installed with power switch button 7, LCD liquid crystal display screen 4
Underface is fixedly installed with loudspeaker 8, the fixed restraining position ring block 10 in the upper end of lasso 9, and the avris of lasso 9 is fixed with the first elastic force rubber
Glue rope 13 is fixed with blast pipe 11 in stop collar 10, and the top of blast pipe 11 is movably installed with blast pipe nut cap 12, blast pipe 11
Inner upper end is fixed with wire screen 25, and 12 avris of blast pipe nut cap is fixedly connected with the first elastic rubber rope 13, heat dissipation
17 outer side coverings of mouth have wire Air Filter 24, and electrically output connects for USB charging interface 18 and single-chip microcontroller 15, and 19 centre of partition is partially
Lower position offers battery fixing groove 26, and 21 tail end of the second elastic rubber rope is fixedly connected with rubber stopper 22, battery fixing groove 26
It is inside movably installed with lithium battery group 27, lamp hole 29,28 lower left of display screen placing groove are offered above display screen placing groove 28
Draft switch hole 30 is offered, 28 lower right of display screen placing groove offers power initiation hole 31, and display screen placing groove 28 is just
Lower section offers speaker hole 32, and 33 bottom of air inlet is equipped with mini-fan 34, and mini-fan 34 is fixedly mounted in bottom case 2
The top in portion, the left side of 34 lower section of mini-fan are fixedly installed with formaldehyde examination sensor 35, the right side of 34 lower section of mini-fan
It is fixedly installed with temperature sensor 36, the lower section of temperature sensor 36 is fixedly installed with humidity sensor 37.
Specifically, working principle of the present invention is as follows: top shell 1 is fixedly connected with bottom case 2 by mounting screw 23, when needing to examine
Mounting screw 23 can be backed out when repairing, and overhauled to open detection shell；When needing to detect indoor formaldehyde concentration, will enter the wind
Pipe nut cap 12 is backed out from blast pipe 11, rubber stopper 22 is taken out from ventilation opening 20, after pressing power switch button 7, battery is
Present apparatus power supply, LCD liquid crystal display screen 4 lights, and after pressing draft switch button 6, mini-fan 34 is powered on, will be extraneous empty
Gas is passed through test chamber from blast pipe 11, temperature sensor 36, humidity sensor 37 and formaldehyde examination sensor 35 in test chamber
Air is detected, single-chip microcontroller 15 is transmitted a signal to after detection, signal conversion is output to LCD liquid crystal display screen by single-chip microcontroller 15
4 and loudspeaker 8, show the data of Temperature and Relative Humidity of Indoor Air and formaldehyde solubility in LCD liquid crystal display screen 4, loudspeaker 8 is by LCD
The data shown on liquid crystal display 4 are broadcasted, and when concentration of formaldehyde is in safe concentration, green LED 5 is bright
It rises, when concentration of formaldehyde exceeds safe concentration, yellow light-emitting diode 5 is lighted, red when concentration of formaldehyde is in dangerous concentrations
5 lamp of light emitting diode lights, and loudspeaker 8 sounds an alarm prompting.After the completion of detection, power switch button 7 is pressed, device power-off stops
It only works, blast pipe nut cap 12 is tightened on blast pipe 11, rubber stopper 22 is filled in air outlet, with each electricity in protective device
Device element；When 27 not enough power supply of lithium battery group, USB data line can be inserted into USB charging interface 18 and the present apparatus is filled
Electricity.
As can be seen from the above description, the invention has the following advantages: the formaldehyde examination device, is examined compared to more original formaldehyde
Device to be surveyed, portable construction is used and designs, appearance looks elegant is small and exquisite, and it is light portable, occupied area is reduced, and added LCD
Liquid crystal display 4, making to measure the content of formaldehyde result in air can intuitively be presented in LCD liquid crystal display screen 4, raise simultaneously
The design of sound device 8 enables equipment to provide corresponding prompt in time when detecting that formaldehyde in air content is exceeded to remind detection people
Member, effectively reduces the risk of work；It is not small and exquisite enough to solve design structure, it is excessively heavy, it is not easy to carry, occupied area
It is larger, and the not direct enough of the presentation of the content of formaldehyde result in air is measured, it makes troubles to detection work, while detecting
Corresponding prompt cannot be provided when formaldehyde in air content is exceeded out in time to remind testing staff, improve the risk of work
Property, and it is easy that testing staff is allowed to take for normally, more dangerous problem.
Further, top shell 1 and bottom case 2, which are threadedly coupled by mounting screw 23 with installation threaded hole 14, is fixed together,
And top shell 1 and bottom case 2 are detachable structure, while being provided with partition 19 among top shell 1 and bottom case 2.
By setting mounting screw 23 and installation threaded hole 14, make to facilitate installation and removal between top shell 1 and bottom case 2, more
Conducive to inspection equipment.
Further, anti-slip rubber holds block 3 and is respectively symmetrically fixed on the two of top shell 1 and bottom case 2 for specification identical four
Side, and anti-slip rubber holds block 3 using rubber material, while anti-slip rubber holds 3 avris of block and is provided with equally distributed antiskid particles.
Block 3 is held by the way that anti-slip rubber is arranged, so that testing staff is more comfortably held equipment, and avoid the possibility of rubber sleeve
Property.
Further, light emitting diode 5 with lamp hole 29 is that specification is three identical, and the size 5 of light emitting diode with
The size of lamp hole 29 matches, while the luminescent color of light emitting diode 5 is respectively green, yellow and red, different colors
Respectively correspond different concentration of formaldehyde.
It reminds and warns by the light of the capable of emitting green of setting light emitting diode 5, yellow and red three kinds of different colours
Testing staff.
Further, the internal diameter of lasso 9 is greater than the outer diameter of blast pipe 11, and lasso 9 is rubbery loop, while lasso 9
It can be rotated on blast pipe 11.
By the way that lasso 9 is arranged, small-scale adjusting can be carried out to the intake of blast pipe.
Further, the display screen control for main control chip circuit being integrated on single-chip microcontroller 15 and being electrically connected with main control chip circuit
Circuit, power control circuit, 5 control circuit of light emitting diode, 8 control circuit of loudspeaker, sensor control circuit and fan processed
Control circuit
By the way that single-chip microcontroller 15 is arranged, makes equipment integrally more convenient operation, sent out by single-chip microcontroller 15 by each key or switch control
Optical diode 5, loudspeaker 8 etc. work, and improve whole work efficiency.
Several preferred embodiments or Application Example are enumerated, again below to help those skilled in the art to better understand
The technical contribution that technology contents and the present invention of the invention are made compared with the existing technology.
It please refers to shown in Fig. 1-Fig. 8, Application Example one of the invention are as follows: a kind of formaldehyde examination device, including top shell 1,
1 back side of top shell is fixedly installed with bottom case 2, and the lower middle position of 1 two sides of top shell is fixed with anti-slip rubber and holds block 3,2 two sides of bottom case
Lower middle position be fixed with anti-slip rubber and hold block 3, the upper end middle position of top shell 1 is fixedly installed with LCD liquid crystal display screen
4, the middle position at 1 top of top shell is movably installed with lasso 9, and the interior periphery position of top shell 1 offers installation threaded hole 14, top
The inner upper end middle position of shell 1 is movably installed with single-chip microcontroller 15, and the inner upper end two sides of top shell 1 are inwardly reserved with inserting groove 16
The inner upper end two sides opens outward of top shell 1 is equipped with thermovent 17, and 1 bottom of top shell offers USB charging interface 18, and top shell 1 is just
Face upper end middle position offers display screen placing groove 28, top shell 1 and bottom case 2 and passes through mounting screw 23 and installation 14 spiral shell of threaded hole
Line is connected and fixed, and top shell 1 and bottom case 2 are detachable structure, while being provided with partition 19 among top shell 1 and bottom case 2,
2 border of bottom case offers installation threaded hole 14, is movably installed with partition 19 in 2 internal border of bottom case, the bottom of bottom case 2 offers
Ventilation opening 20,2 bottom vent of bottom case, 20 right positions are fixed with the second elastic rubber rope 21, and 2 back side of bottom case installs threaded hole
14 positions are movably installed with mounting screw 23, and the top inside bottom case 2 offers air inlet 33, and it is specification that anti-slip rubber, which holds block 3,
Identical four are respectively symmetrically fixed on the two sides of top shell 1 and bottom case 2, and anti-slip rubber holds block 3 using rubber material, prevents simultaneously
Sliding rubber holds 3 avris of block and is provided with equally distributed antiskid particles, is fixedly installed with light-emitting diodes above LCD liquid crystal display screen 4
Pipe 5, light emitting diode 5 with lamp hole 29 are that specification is three identical, and the size phase of the size 5 of light emitting diode and lamp hole 29
It coincide, while the luminescent color of light emitting diode 5 is respectively that green, yellow and red, different colors respectively correspond different
Concentration of formaldehyde, the left side of 4 lower section of LCD liquid crystal display screen are movably installed with draft switch button 6,4 lower section of LCD liquid crystal display screen
Right side is movably installed with power switch button 7, and the underface of LCD liquid crystal display screen 4 is fixedly installed with loudspeaker 8, lasso 9 it is upper
Fixed restraining position ring block 10 is held, the avris of lasso 9 is fixed with the first elastic rubber rope 13, and the internal diameter of lasso 9 is greater than blast pipe 11
Outer diameter, and lasso 9 is rubbery loop, while lasso 9 can be rotated on blast pipe 11, and air inlet is fixed in stop collar 10
Pipe 11, the top of blast pipe 11 are movably installed with blast pipe nut cap 12, and 11 inner upper end of blast pipe is fixed with wire screen
25,12 avris of blast pipe nut cap is fixedly connected with the first elastic rubber rope 13, and 17 outer side covering of thermovent has wire Air Filter
24, electrically output connects for USB charging interface 18 and single-chip microcontroller 15, be integrated on single-chip microcontroller 15 main control chip circuit and with master control core
Display panel control circuit, power control circuit, 5 control circuit of light emitting diode, the loudspeaker 8 of piece circuit electrical connection control electricity
Road, sensor control circuit and fan control circuitry, 19 lower middle position of partition offer battery fixing groove 26, the second elastic force
21 tail end of rubber rope is fixedly connected with rubber stopper 22, and lithium battery group 27 is movably installed in battery fixing groove 26, and display screen is placed
Lamp hole 29 is offered above slot 28,28 lower left of display screen placing groove offers draft switch hole 30, display screen placing groove 28
Lower right offers power initiation hole 31, and speaker hole 32,33 bottom of air inlet are offered immediately below display screen placing groove 28
Mini-fan 34 is installed, mini-fan 34 is fixedly mounted on the top inside bottom case 2, and the left side of 34 lower section of mini-fan is fixed
Formaldehyde examination sensor 35 is installed, the right side of 34 lower section of mini-fan is fixedly installed with temperature sensor 36, temperature sensor
36 lower section is fixedly installed with humidity sensor 37.
In conclusion the beneficial effect of the Application Example one is: the formaldehyde examination device is examined compared to more original formaldehyde
Device to be surveyed, portable construction is used and designs, appearance looks elegant is small and exquisite, and it is light portable, occupied area is reduced, and added LCD
Liquid crystal display 4, making to measure the content of formaldehyde result in air can intuitively be presented in LCD liquid crystal display screen 4, raise simultaneously
The design of sound device 8 enables equipment to provide corresponding prompt in time when detecting that formaldehyde in air content is exceeded to remind detection people
Member, effectively reduces the risk of work；It is not small and exquisite enough to solve design structure, it is excessively heavy, it is not easy to carry, occupied area
It is larger, and the not direct enough of the presentation of the content of formaldehyde result in air is measured, it makes troubles to detection work, while detecting
Corresponding prompt cannot be provided when formaldehyde in air content is exceeded out in time to remind testing staff, improve the risk of work
Property, and it is easy that testing staff is allowed to take for normally, more dangerous problem；Pass through setting mounting screw 23 and installation threaded hole
14, make to facilitate installation and removal between top shell 1 and bottom case 2, more conducively inspection equipment；Block 3 is held by the way that anti-slip rubber is arranged, makes to examine
Survey personnel more comfortably hold equipment, and a possibility that avoid rubber sleeve；Pass through the capable of emitting green of setting light emitting diode 5, Huang
Testing staff is reminded and warned to the light of color and red three kinds of different colours；It, can be to the air inlet of blast pipe 11 by the way that lasso 9 is arranged
Amount carries out small-scale adjusting；By the way that single-chip microcontroller 15 is arranged, make equipment integrally more convenient operation, by single-chip microcontroller 15 by respectively pressing
Key or switch control light emitting diode 5, loudspeaker 8 etc. work, and improve whole work efficiency.
The present invention is described by above-mentioned related embodiment and attached drawing, however above-described embodiment be only implement it is of the invention
Example.It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, being included in claim
The modification of spirit and scope and impartial setting are included in the scope of the present invention.
Claims (6)
1. a kind of formaldehyde examination device, including top shell, it is characterised in that: the top shell back side is fixedly installed with bottom case, the top
The lower middle position of shell two sides is fixed with anti-slip rubber and holds block, and the lower middle position of the bottom case two sides is fixed with anti-skidding rubber
Glue holds block, and the upper end middle position of the top shell is fixedly installed with LCD liquid crystal display screen, and the middle position at the top of the top shell is living
Dynamic to be equipped with lasso, the interior periphery position of the top shell offers installation threaded hole, the inner upper end interposition of the top shell
It sets and is movably installed with single-chip microcontroller, the inner upper end two sides of the top shell are inwardly reserved with inserting groove, the inner upper end of the top shell
Two sides opens outward is equipped with thermovent, and the top shell bottom offers USB charging interface, the front upper portion middle position of the top shell
Display screen placing groove is offered, the bottom case border offers installation threaded hole, is movably installed on the bottom shell frame
Partition, the bottom of the bottom case offer ventilation opening, and bottom case bottom vent right positions are fixed with the second elastic rubber rope, institute
It states bottom case back side installation screw thread hole site and is movably installed with mounting screw, the top of the bottom shell offers air inlet, institute
It states and is fixedly installed with light emitting diode above LCD liquid crystal display screen, the left side below the LCD liquid crystal display screen is movably installed with
Draft switch button, the right side below the LCD liquid crystal display screen are movably installed with power switch button, the LCD liquid crystal
Loudspeaker, the fixed restraining position ring block in the upper end of the lasso are fixedly installed with immediately below display screen, the avris of the lasso is fixed with
First elastic rubber rope is fixed with blast pipe in the stop collar, and the top of the blast pipe is movably installed with blast pipe nut cap,
The blast pipe inner upper end is fixed with wire screen, the blast pipe nut cap avris and the fixed company of the first elastic rubber rope
It connects, the thermovent outer side covering has wire Air Filter, and electrically output connects for the USB charging interface and single-chip microcontroller, described
Partition lower middle position offers battery fixing groove, and the second elastic rubber tail of rope end is fixedly connected with rubber stopper, described
It is movably installed with lithium battery group in battery fixing groove, lamp hole is offered above the display screen placing groove, the display screen is placed
Slot lower left offers draft switch hole, and the display screen placing groove lower right offers power initiation hole, the display
Speaker hole is offered immediately below screen placing groove, the air inlet bottom is equipped with mini-fan, the fixed peace of the mini-fan
Mounted in the top of bottom shell, the left side below the mini-fan is fixedly installed with formaldehyde examination sensor, the miniature wind
The right side of fan lower section is fixedly installed with temperature sensor, is fixedly installed with humidity sensor below the temperature sensor.
2. a kind of formaldehyde examination device according to claim 1, it is characterised in that: the top shell and bottom case pass through installation spiral shell
Nail is threadedly coupled with installation threaded hole and is fixed together, and top shell and bottom case are detachable structure, while being arranged among bottom case
There is partition.
3. a kind of formaldehyde examination device according to claim 1, it is characterised in that: it is specification phase that the anti-slip rubber, which holds block,
Same four are respectively symmetrically fixed on the two sides of top shell and bottom case, and anti-slip rubber holds block and uses rubber material, while anti-skidding rubber
Glue holds block avris and is provided with equally distributed antiskid particles.
4. a kind of formaldehyde examination device according to claim 1, it is characterised in that: the light emitting diode is with lamp hole
Specification is three identical, and the size of light emitting diode matches with the size of lamp hole, while the luminescent color of light emitting diode
Respectively green, yellow and red, different colors respectively correspond different concentration of formaldehyde.
5. a kind of formaldehyde examination device according to claim 1, it is characterised in that: the internal diameter of the lasso is greater than air inlet
The outer diameter of pipe, and lasso is rubbery loop, while lasso can be rotated on blast pipe.
6. a kind of formaldehyde examination device according to claim 1, it is characterised in that: be integrated with master control core on the single-chip microcontroller
Piece circuit and the display panel control circuit being electrically connected with main control chip circuit, power control circuit, LED control circuit,
Speaker control circuitry, sensor control circuit and fan control circuitry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058696.8A CN109085306A (en) | 2018-09-11 | 2018-09-11 | A kind of formaldehyde examination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058696.8A CN109085306A (en) | 2018-09-11 | 2018-09-11 | A kind of formaldehyde examination device |
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| Publication Number | Publication Date |
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| CN109085306A true CN109085306A (en) | 2018-12-25 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811058696.8A Pending CN109085306A (en) | 2018-09-11 | 2018-09-11 | A kind of formaldehyde examination device |
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| Country | Link |
|---|---|
| CN (1) | CN109085306A (en) |
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