CN108169423A - A kind of portable air mass detecting instrument - Google Patents
A kind of portable air mass detecting instrument Download PDFInfo
- Publication number
- CN108169423A CN108169423A CN201711418323.2A CN201711418323A CN108169423A CN 108169423 A CN108169423 A CN 108169423A CN 201711418323 A CN201711418323 A CN 201711418323A CN 108169423 A CN108169423 A CN 108169423A
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- bottom case
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- 238000001514 detection method Methods 0.000 claims abstract description 75
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 13
- 239000005416 organic matter Substances 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 8
- 238000012360 testing method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000004087 circulation Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- 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
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Dispersion Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a kind of portable air mass detecting instruments, including detecting shell, the detection shell is fixedly connected by front shell with rear bottom case by screw, front shell is equipped with LCD liquid crystal displays, feed back lamp group, opening and closing button switchs and loud speaker, front shell and rear bottom case are provided with the first half slot for forming air inlet, third half slot and the second half slot for forming air outlet, 4th half slot, air inlet is fixed with blast pipe, discharge pipe is fixed at air outlet, blast pipe is interior and discharge pipe is interior and is respectively equipped with the first mini-fan and the second mini-fan, fixed the first detection box being connect with blast pipe and discharge pipe on bottom case afterwards, second detection box and third detection box, it is equipped with accumulator on bottom case in battery placing groove afterwards, bottom case is equipped with charging interface afterwards, thermovent and U-shaped handle.The invention has the advantages that of simple structure and strong practicability.
Description
Technical field
The present invention relates to Detection of Air Quality technical field, particularly a kind of portable air mass detecting instrument.
Background technology
With the development of economy with the raising of living standards of the people, people to daily inhabitation, activity, workplace environment
Also more and more pay attention to, make every effort to create more comfortable, health inhabitation, activity and working environment.But with the development of industry, to sky
The pollution of gas is also increasingly severe, the air quality degradation in some places, is unfavorable for the health of people, thus needs
Air quality is accurately measured, then according to measurement result, implements effective precautionary measures or Improving Measurements；At present, it is existing
The portable air quality detector having, generally existing measurement function is single, accuracy of detection is relatively low, measurement error is larger
Problem wants test environment index, generally requires to carry more test equipments, measuring environment index is not accurate enough, in addition, in reality
In detection process, many is positioned over indoor air monitering equipment, can be because room air circulation has some setbacks and gas is caused to pass
Sensor sensitivity declines, and causes testing result error larger；Thus it is necessary to research and develop one kind can accurately, stablize, real-time, conveniently
The portable air mass detecting instrument being quickly detected to air quality.
Invention content
The purpose of the present invention is to solve the above problems, devise a kind of portable air mass detecting instrument.
Realize above-mentioned purpose the technical scheme is that, a kind of portable air mass detecting instrument, including detect shell,
The detection shell is collectively formed by front shell and rear bottom case, and the front shell lower end four corners are equipped with and attack female screw thread
Slot, the rear bottom case upper end four corners are provided with and the corresponding screw socket of the thread groove, the front shell and the rear bottom
Shell is provided with by being inserted through the screw socket and being fixedly connected with the screw of the thread groove thread fitting on the front shell
Display screen fixing groove, the display screen fixing groove is interior to be consolidated on LCD liquid crystal displays, the front shell and positioned at the display screen
Determine to be provided with light feedback slot below slot, in the light feedback slot in feedback lamp group, the front shell and positioned at described
Open-close on-off slot is provided with below light feedback slot and tank of raising one's voice, the interior opening and closing button that is embedded with of the open-close on-off slot switch, institute
It states tank of raising one's voice to embed equipped with loud speaker, microcontroller, the monolithic is had in the detection shell and positioned at the front shell
Machine and the LCD liquid crystal displays, opening and closing button switch, feedback lamp group and loud speaker are electrically connected, and described front shell one end is provided with the
The one half slot other end is provided with the second half slot, is provided with and the corresponding third semicircle of first half slot on the rear bottom case
It slot and is collectively formed with corresponding 4th half slot of second half slot, first half slot and the third half slot
Air inlet, second half slot and the 4th half slot collectively form air outlet, the air inlet and positioned at described the
Be fixed with blast pipe on three half slots, be fixed with discharge pipe at the air outlet and on the 4th half slot, it is described into
The first mini-fan is equipped in air hose and positioned at the air inlet, the discharge pipe is interior and is set at the air outlet
There is the second mini-fan, first mini-fan and second mini-fan are electrically connected by conducting wire and microcontroller,
The first detection box, the second detection box and third detection box, the first detection box, the second detection box are fixed with after described on bottom case
Connecting tube and the blast pipe are detected by the first detection connecting tube, the second detection connecting tube and third respectively with third detection box
It is tightly connected with discharge pipe, battery placing groove is equipped on the rear bottom case and below the discharge pipe, the battery is placed
It is equipped with accumulator in slot, bottom case bottom end and charging interface, the accumulator and institute is equipped with below the air outlet after described
It states charging interface and microcontroller is electrically connected by conducting wire.
The quantity of the light feedback slot is 3, and the feedback lamp group by being inserted into the light feedback slot respectively
Green LED lamp, yellow LED lamp and red LED lamp collectively form.
Temperature Humidity Sensor is equipped in the first detection box, the Temperature Humidity Sensor and the microcontroller are electrical
Connection.
Dust sensor is equipped in the second detection box, the dust sensor is electrically connected with the microcontroller.
Organic matter sensor is equipped in the third detection box, the organic matter sensor electrically connects with the microcontroller
It connects.
Bottom case bottom end side is equipped with thermovent after described, and Air Filter is equipped at the thermovent.
Be integrated on the microcontroller main control chip circuit and the display panel control circuit being electrically connected with main control chip circuit,
Power control circuit, feedback lamp control circuit, speaker control circuitry, sensor control circuit and fan control circuitry.
Bottom case is equipped with U-shaped handle after described, and the quantity of the U-shaped handle is two, and the U-shaped handle is separately fixed at
Bottom case both sides after described.
The first rubber rope is fixed with after described on bottom case and on air inlet lower section, the first rubber rope rubber is another
One end is connected with the first rubber stopper that can clog the air inlet.
Two rubber ropes, the second rubber rope other end are fixed with after described on bottom case and on air outlet lower section
The second rubber stopper of the air outlet can be clogged by being connected with.
A kind of portable air mass detecting instrument made using technical scheme of the present invention, have it is small, convenient for taking
, there are the multiple functions of detection aerial temperature and humidity, PM2.5 and organic vapor concentrations in the characteristics of band, have some setbacks in some air circulations
Environment in, also air quality can accurately be detected, testing result can be directly displayed and be reported automatically.
Description of the drawings
Fig. 1 is a kind of front view of portable air mass detecting instrument of the present invention；
Fig. 2 is a kind of sectional view of portable air mass detecting instrument of the present invention；
Fig. 3 is the front view of front shell of the present invention；
Fig. 4 is the rearview of front shell of the present invention；
Fig. 5 is a kind of rearview of portable air mass detecting instrument of the present invention；
Fig. 6 is a kind of bottom view of portable air mass detecting instrument of the present invention；
Fig. 7 is a kind of vertical view of portable air mass detecting instrument of the present invention；
In figure, 1, microcontroller；2nd, front shell；3rd, rear bottom case；4th, thread groove；5th, screw socket；6th, screw；7th, display screen is solid
Determine slot；8th, LCD liquid crystal displays；9th, light feedback slot；10th, open-close on-off slot；11st, it raises one's voice tank；12nd, opening and closing button switchs；13rd, it raises
Sound device；14th, the first half slot；15th, the second half slot；16th, third half slot；17th, the 4th half slot；18th, air inlet；19th, go out
Air port；20th, blast pipe；21st, discharge pipe；22nd, the first mini-fan；23rd, the second mini-fan；24th, the first detection box；25th,
Two detection boxes；26th, third detection box；27th, the first detection connecting tube；28th, the second detection connecting tube；29th, third detection connecting tube；
30th, battery placing groove；31st, accumulator；32nd, charging interface；33rd, green LED lamp；34th, yellow LED lamp；35th, red LED lamp；
36th, Temperature Humidity Sensor；37th, dust sensor；38th, organic matter sensor；39th, thermovent；40th, Air Filter；41st, U-shaped handle；
42nd, the first rubber rope；43rd, the first rubber stopper；44th, the second rubber rope；45th, the second rubber stopper.
Specific embodiment
The present invention is specifically described below in conjunction with the accompanying drawings, as shown in figs. 1-7, a kind of portable air quality testing
Instrument, including detecting shell, the detection shell is collectively formed by front shell 2 and rear bottom case 3, the 2 lower end four corners of front shell
Equipped with female thread groove 4 is attacked, the rear 3 upper end four corners of bottom case are provided with inserts with the 4 corresponding screw of thread groove
Mouthfuls 5, the front shell 2 and it is described after bottom case 3 by be inserted through the screw socket 5 and with 4 thread fitting of thread groove
Screw 6 is fixedly connected, and display screen fixing groove 7 is provided on the front shell 2, LCD liquid crystal is embedded in the display screen fixing groove 7
Screen 8 is provided with light feedback slot 9, in the light feedback slot 9 on the front shell 2 and positioned at 7 lower section of display screen fixing groove
Embedded with feedback lamp group, open-close on-off slot 10 and loud speaker are provided on the front shell 2 and positioned at 9 lower section of light feedback slot
Slot 11, the open-close on-off slot 10 is interior to switch 12 embedded with opening and closing button, and loud speaker 13, institute are embedded in the tank 11 of raising one's voice
It states in detection shell and has microcontroller 1 positioned at the front shell 2, the microcontroller 1 is pressed with the LCD liquid crystal displays 8, keying
Button switch 12, feedback lamp group and 13 devices of raising one's voice are electrically connected, and described 2 one end of front shell is provided with 14 other end of the first half slot and is provided with
Second half slot 15, be provided on bottom case 3 after described with the 14 corresponding third half slot 16 of the first half slot and with it is described
Second half slot, 15 corresponding 4th half slot 17, first half slot 14 and the third half slot 16 collectively form into
Air port 18, second half slot 15 and the 4th half slot 17 collectively form air outlet 19, at the air inlet 18 and position
It is at the air outlet 19 and fixed on the 4th half slot 17 in being fixed with blast pipe 20 on the third half slot 16
There is discharge pipe 21, the blast pipe 20 is interior and the first mini-fan 22, the outlet air are equipped at the air inlet 18
It is equipped with the second mini-fan 23 in pipe 21 and at the air outlet 19, first mini-fan 22 and described second miniature
Fan 23 is electrically connected by conducting wire and microcontroller 1, and the first detection box 24, second detection box is fixed on the rear bottom case 3
25 and third detection box 26, it is described first detection box 24, second detect box 25 and third detection box 26 respectively pass through first detection
Connecting tube 27, second detects connecting tube 28 and third detection connecting tube 29 is tightly connected with the blast pipe 20 and discharge pipe 21,
Battery placing groove 30 is equipped with after described on bottom case 3 and positioned at 21 lower section of discharge pipe, is equipped with and stores in the battery placing groove 30
Battery 31 3 bottom end of bottom case and is equipped with charging interface 32 after described positioned at 19 lower section of the air outlet, the accumulator 31 with it is described
Charging interface 32 and microcontroller 1 are electrically connected by conducting wire；The quantity of light feedback slot 9 is 3, the feedback lamp group by
Green LED lamp 33, yellow LED lamp 34 and the red LED lamp 35 being inserted into respectively in the light feedback slot 9 collectively form；Institute
It states in the first detection box 24 and is equipped with Temperature Humidity Sensor 36, the Temperature Humidity Sensor 36 electrically connects with the microcontroller 1
It connects；Dust sensor 37 is equipped in the second detection box 25, the dust sensor 37 is electrically connected with the microcontroller 1；
Organic matter sensor 38 is equipped in the third detection box 26, the organic matter sensor 38 is electrically connected with the microcontroller 1；
3 bottom end side of bottom case is equipped with thermovent 39 after described, and Air Filter 40 is equipped at the thermovent 39；It is integrated on the microcontroller 1
There are main control chip circuit and the display panel control circuit being electrically connected with main control chip circuit, power control circuit, feedback lamp control
Circuit, speaker control circuitry, sensor control circuit and fan control circuitry；Bottom case 3 is equipped with U-shaped handle 41 after described,
The quantity of the U-shaped handle 41 is two, and the U-shaped handle 41 is separately fixed at rear 3 both sides of bottom case；Bottom case 3 after described
The first rubber rope 42 above and on 18 lower section of air inlet is fixed with, the 42 rubber other end of the first rubber rope is connected with and can fill in
State the first rubber stopper 43 of air inlet 18 in residence；Second is fixed with after described on bottom case 3 and on 19 lower section of air outlet
Rubber rope 44,44 other end of the second rubber rope are connected with the second rubber stopper 45 that can clog the air outlet 19.
The characteristics of the present embodiment is, detection shell is fixedly connected by front shell with rear bottom case by screw, before on shell
The first half slot other end is provided with equipped with shell one end before LCD liquid crystal displays, feedback lamp group, opening and closing button switch and loud speaker to be provided with
Second half slot, be provided on rear bottom case third half slot corresponding with the first half slot and with the second half slot corresponding
Four half slots, the first half slot and third half slot collectively form air inlet, and the second half slot and the 4th half slot collectively form
Air outlet, air inlet and is fixed with blast pipe on the third half slot, at air outlet and fixed on the 4th half slot
There is a discharge pipe, the first mini-fan is equipped in blast pipe and positioned at air inlet, the is equipped in discharge pipe and at air outlet
Two mini-fans, the first mini-fan and the second mini-fan are electrically connected by conducting wire and microcontroller, fixed on rear bottom case
There are the first detection box, the second detection box and third detection box, the first detection box, the second detection box and third detection box pass through respectively
First detection connecting tube, the second detection connecting tube and third detection connecting tube and blast pipe and discharge pipe are tightly connected, rear bottom case
Battery placing groove above and below discharge pipe is equipped with, battery placing groove is interior equipped with accumulator, rear bottom case bottom end and positioned at outlet air
Charging interface is equipped with below mouthful, accumulator is electrically connected with charging interface and microcontroller by conducting wire.Utilize the technology of the present invention
Scheme make a kind of portable air mass detecting instrument, have the characteristics that it is small, easy to carry, have detect air it is warm and humid
The multiple functions of degree, PM2.5 and organic vapor concentrations, also can be to air quality in the environment having some setbacks in some air circulations
It is accurately detected, testing result can be directly displayed and be reported automatically.
In the present embodiment, shell is fixedly connected with rear bottom case by screw before, when need maintenance when can back out screw, from
And it opens detection shell and is overhauled；When needing to detect air quality, U-shaped handle is held, by the first rubber stopper and the second rubber
Rubber plug takes out at air inlet and air outlet respectively, and after then pressing opening and closing button switch, accumulator is powered for the present apparatus, LCD
Liquid crystal display lights, while the first mini-fan and the second mini-fan energization work, by outside air by air inlet, blast pipe point
The first detection connecting tube, the second detection connecting tube and third detection connecting tube, outside air is not passed through to connect by the first detection
Pipe, the second detection connecting tube and third detection connecting tube are each led into the first detection box, the second detection box and third detection box,
Temperature Humidity Sensor, dust sensor and organic matter sensor in first detection box, the second detection box and third detection box
Air is detected, microcontroller is transmitted a signal to after detection, signal conversion is output to LCD liquid crystal displays and raised one's voice by microcontroller
Device, the data of aerial temperature and humidity, PM2.5 and organic matter solubility are shown on LCD liquid crystal displays, and loud speaker will be shown on LCD liquid crystal displays
The data shown are reported, and when PM2.5 is 0~75 section, green LED lamp lights, when PM2.5 is 75~150 section,
Yellow LED lamp lights, and as PM2.5 >=150, red LED lamp lights, and loud speaker sends out alarm and reminding.After the completion of detection, press
Opening and closing button switchs, and detector power-off is stopped, and the first rubber stopper and the second rubber stopper are inserted into air inlet and outlet air respectively
In mouthful, to protect each electric elements in detector；When accumulator electric-quantity deficiency, USB data line can be inserted into charging interface
In charge to the present apparatus.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of which part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (10)
1. a kind of portable air mass detecting instrument, including detecting shell, which is characterized in that the detection shell is by front shell
(2) it is collectively formed with rear bottom case (3), front shell (2) lower end four corners are equipped with and attack female thread groove (4), described
Bottom case (3) upper end four corners are provided with screw socket (5) corresponding with the thread groove (4) afterwards, the front shell (2) and described
Bottom case (3) is by being inserted through the screw socket (5) and being fixedly connected with the screw (6) of the thread groove (4) thread fitting afterwards,
Display screen fixing groove (7) is provided on the front shell (2), LCD liquid crystal displays (8), institute are embedded in the display screen fixing groove (7)
It states on front shell (2) and light feedback slot (9) is provided with below the display screen fixing groove (7), the light feedback slot (9)
It is interior to be provided with open-close on-off slot (10) in feedback lamp group, the front shell (2) and below light feedback slot (9)
With tank of raising one's voice (11), the open-close on-off slot (10) is interior to switch (12) embedded with opening and closing button, in the tank of raising one's voice (11)
Embedded with loud speaker (13), microcontroller (1), the microcontroller are had in the detection shell and positioned at the front shell (2)
(1) it is electrically connected with the LCD liquid crystal displays (8), opening and closing button switch (12), feedback lamp group and (13) device of raising one's voice, the front
Shell (2) one end is provided with the first half slot (14) other end and is provided with the second half slot (15), be provided on bottom case (3) after described with it is described
The corresponding third half slot (16) of first half slot (14) and with corresponding 4th half slot of the second half slot (15)
(17), first half slot (14) and the third half slot (16) collectively form air inlet (18), second half slot
(15) and the 4th half slot (17) collectively forms air outlet (19), at the air inlet (18) and positioned at the third semicircle
It is fixed with blast pipe (20) on slot (16), outlet air is fixed at the air outlet (19) and on the 4th half slot (17)
Manage (21), be equipped with the first mini-fan (22) in the blast pipe (20) and at the air inlet (18), it is described go out
The second mini-fan (23), first mini-fan (22) and institute are equipped in air hose (21) and at the air outlet (19)
It states the second mini-fan (23) to be electrically connected by conducting wire and microcontroller (1), the first detection is fixed on the rear bottom case (3)
Box (24), the second detection box (25) and third detection box (26), the first detection box (24), the second detection box (25) and third
Detect box (26) respectively by first detection connecting tube (27), second detection connecting tube (28) and third detect connecting tube (29) and
The blast pipe (20) and discharge pipe (21) are tightly connected, and are set on the rear bottom case (3) and below the discharge pipe (21)
There is battery placing groove (30), the battery placing groove (30) is interior equipped with accumulator (31), rear bottom case (3) bottom end and positioned at institute
It states and charging interface (32) is equipped with below air outlet (19), the accumulator (31) and the charging interface (32) and microcontroller (1)
It is electrically connected by conducting wire.
2. a kind of portable air mass detecting instrument according to claim 1, which is characterized in that the light feeds back slot
(9) quantity is 3, and the feedback lamp group is by the green LED lamp (33), yellow that is inserted into respectively in light feedback slot (9)
Color LED light (34) and red LED lamp (35) collectively form.
A kind of 3. portable air mass detecting instrument according to claim 1, which is characterized in that first detection
Temperature Humidity Sensor (36) is equipped in box (24), the Temperature Humidity Sensor (36) is electrically connected with the microcontroller (1).
A kind of 4. portable air mass detecting instrument according to claim 1, which is characterized in that the second detection box
(25) dust sensor (37) is equipped in, the dust sensor (37) is electrically connected with the microcontroller (1).
5. a kind of portable air mass detecting instrument according to claim 1, which is characterized in that the third detects box
(26) organic matter sensor (38) is equipped in, the organic matter sensor (38) is electrically connected with the microcontroller (1).
A kind of 6. portable air mass detecting instrument according to claim 1, which is characterized in that bottom case (3) bottom after described
Side is held to be equipped with thermovent (39), Air Filter (40) is equipped at the thermovent (39).
7. a kind of portable air mass detecting instrument according to claim 1, which is characterized in that on the microcontroller (1)
It is integrated with main control chip circuit and the display panel control circuit being electrically connected with main control chip circuit, power control circuit, feedback lamp
Control circuit, speaker control circuitry, sensor control circuit and fan control circuitry.
8. a kind of portable air mass detecting instrument according to claim 1, which is characterized in that after described on bottom case (3)
Equipped with U-shaped handle (41), the quantity of the U-shaped handle (41) is two, and the U-shaped handle (41) is separately fixed at the rear bottom
Shell (3) both sides.
9. a kind of portable air mass detecting instrument according to claim 1, which is characterized in that after described on bottom case (3)
And the first rubber rope (42) is fixed on the air inlet (18) lower section, the first rubber rope (42) rubber other end is connected with
The first rubber stopper (43) of the air inlet (18) can be clogged.
10. a kind of portable air mass detecting instrument according to claim 1, which is characterized in that after described on bottom case (3)
And the second rubber rope (44) is fixed on the air outlet (19) lower section, the second rubber rope (44) other end is connected with can
Clog the second rubber stopper (45) of the air outlet (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418323.2A CN108169423A (en) | 2017-12-25 | 2017-12-25 | A kind of portable air mass detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418323.2A CN108169423A (en) | 2017-12-25 | 2017-12-25 | A kind of portable air mass detecting instrument |
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| Publication Number | Publication Date |
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| CN108169423A true CN108169423A (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711418323.2A Pending CN108169423A (en) | 2017-12-25 | 2017-12-25 | A kind of portable air mass detecting instrument |
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| CN109164215A (en) * | 2018-09-20 | 2019-01-08 | 安徽芯核防务装备技术股份有限公司 | A kind of inflammable volatile matter monitoring air supply device of bus and monitoring device |
| CN110579571A (en) * | 2019-10-12 | 2019-12-17 | 镇江市高等专科学校 | Air quality detection device for closed space |
| CN111896694A (en) * | 2020-07-06 | 2020-11-06 | 珠海格力电器股份有限公司 | Food storage equipment and food fresh state judging method, device and medium thereof |
| CN113702576A (en) * | 2021-07-21 | 2021-11-26 | 北京师范大学 | Carbon monoxide sailing monitor |
| CN115932164A (en) * | 2021-09-22 | 2023-04-07 | 西南科技大学 | Portable simple air quality detection device |
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| CN206248631U (en) * | 2016-12-01 | 2017-06-13 | 上海腾盛智能安全科技股份有限公司 | A kind of combustible gas probe with self calibrating function |
| CN206772926U (en) * | 2017-03-21 | 2017-12-19 | 深圳市朗得力科技有限公司 | A kind of air detection instrument |
| CN206671300U (en) * | 2017-04-19 | 2017-11-24 | 广东骏太建筑安装有限公司 | A kind of air formaldehyde detection means |
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| CN109164215B (en) * | 2018-09-20 | 2021-07-02 | 安徽芯核防务装备技术股份有限公司 | Bus inflammable volatile matter monitoring air supply device and monitoring device |
| CN109118723A (en) * | 2018-09-28 | 2019-01-01 | 安徽芯核防务装备技术股份有限公司 | A kind of inflammable volatile matter monitoring device of bus |
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