CN110501455A - Gas-detecting device - Google Patents
Gas-detecting device Download PDFInfo
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- CN110501455A CN110501455A CN201810478286.2A CN201810478286A CN110501455A CN 110501455 A CN110501455 A CN 110501455A CN 201810478286 A CN201810478286 A CN 201810478286A CN 110501455 A CN110501455 A CN 110501455A
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- chamber
- detecting device
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- 238000012544 monitoring process Methods 0.000 claims abstract description 96
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 239000013618 particulate matter Substances 0.000 claims abstract description 48
- 239000002245 particle Substances 0.000 claims abstract description 30
- 238000005273 aeration Methods 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 238000013500 data storage Methods 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 116
- 239000000725 suspension Substances 0.000 claims description 49
- 238000005192 partition Methods 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 14
- 230000004308 accommodation Effects 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims description 3
- 241000894006 Bacteria Species 0.000 claims description 2
- 241000700605 Viruses Species 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 238000007667 floating Methods 0.000 claims description 2
- 244000005700 microbiome Species 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000003570 air Substances 0.000 description 32
- 238000010586 diagram Methods 0.000 description 14
- 238000013461 design Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003694 hair properties Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
-
- 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
-
- 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
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
-
- 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, e.g. intermittent, or the display, e.g. digital
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a threshold to release an alarm or displaying means
-
- G01N15/075—
Abstract
A kind of gas-detecting device includes: ontology, and inside simultaneously has a chamber, and is equipped with the first air inlet, one second air inlet and a gas outlet and the chamber；One gas detection module includes a compartment body, a support plate, a sensor and one first actuator；One particulate matter monitoring module, it is set in the chamber, it and include a vent entrance openings, an aeration vent, a particulate matter monitoring pedestal, a laser emitter, one second actuator and a particle sensor, gas enters the particulate matter monitoring base interior by the vent entrance openings, gone out the partial size and concentration of contained suspended particulates in the gas to the particle sensor Surface testing by the formed luminous point of the emitted laser beam projection of the laser emitter, and is discharged by the aeration vent；An and control module, control the gas detection module and the monitoring starting running of the particulate matter monitoring module, and the monitoring data of the gas detection module and the particulate matter monitoring module are carried out to be converted into monitoring data storage, and external device (ED) storage can be sent to.
Description
Technical field
This case is about a kind of gas-detecting device, espespecially a kind of gas detection that is slim, portable, can carrying out gas-monitoring
Device.
Background technique
Modern more and more payes attention to the requirement of GAS QUALITY arround life, such as carbon monoxide, carbon dioxide, waves
Hair property organic matter (Volatile Organic Compound, VOC), PM2.5, nitric oxide, sulfur monoxide etc. gas, very
As for the particle contained in gas, can all expose in the environment influences human health, serious or even jeopardize life.Therefore ring
GAS QUALITY quality in border causes various countries to pay attention to one after another, and it is the project currently paid attention to that how urgent need, which will monitor, at present, which avoids separate,.
The quality for how confirming GAS QUALITY, monitored using a kind of gas sensor surrounding environmental gases be it is feasible,
If can provide monitoring information immediately again, the people at warning in the environment can prevent or flee from immediately, avoid by environment
Gas exposure causes Health Impact and injury, and ambient enviroment is monitored using gas sensor can say it is extraordinary answer
With.
However, portable apparatus is the outgoing running gear that can all carry of modern, therefore gas detection module is embedded
It is extremely to be taken seriously in portable apparatus, the development trend of especially current portable apparatus is light, thin and must have both
In high performance situation, how gas detection module to be thinned and is mounted on the application in portable apparatus, be provided with utilizing, be
The important topic that this case is researched and developed.
Summary of the invention
The main purpose of this case is to provide a kind of gas-detecting device, is a slim portable apparatus, utilizes gas detection
Module can monitor user's ambient air quality at any time, and be able to quickly and stably lead gas using the first actuator
Enter in gas detection module, not only promote sensor efficiency, and the compartment for penetrating compartment body designs, by the first actuator and passes
Sensor is spaced from each other, and the heat source influence for reducing the first actuator is obstructed when sensor being enable to monitor, is unlikely to influence sensing
The monitoring accuracy of device can not also be influenced by the other elements (control module) in device, and reaching gas-detecting device can be with
When, the purpose that detects everywhere, and can have fast and accurately monitoring effect, in addition, having a particulate matter monitoring module to monitor
Contain particle concentration in the air of ambient enviroment, and monitoring information is provided and is transmitted to external device (ED), information can be made instantly available, to make
People in the environment at informing is warned, can prevent or flee from immediately, avoids causing human body strong by the gas exposure in environment
Health influences and injury.
The one broad sense state sample implementation of this case is a kind of gas-detecting device, includes an ontology, and inside has a chamber；One gas
Body detection module is set in the chamber, includes a sensor and one first actuator, which controls gas and import
Inside the gas detection module, and it is monitored by the sensor；One particulate matter monitoring module, is set in the chamber, includes
There are a laser emitter, one second actuator and a particle sensor, second actuator control gas imports the particulate matter monitoring
Inside modules are irradiated by the emitted laser beam of the laser emitter, to project in gas luminous point to the particle sensor surface
The partial size and concentration of contained suspended particulates in detection gas；And a control module, control the gas detection module, particle prison
The monitoring for surveying module starts running, and the monitoring data of the gas detection module and the particulate matter monitoring module are converted
It is stored at a monitoring data, and external device (ED) storage can be sent to.
Detailed description of the invention
Figure 1A is the stereoscopic schematic diagram of this case gas-detecting device.
Figure 1B is the front schematic view of this case gas-detecting device.
Fig. 1 C is the front side schematic diagram of this case gas-detecting device.
Fig. 1 D is the right side schematic diagram of this case gas-detecting device.
Fig. 1 E is the left side schematic diagram of this case gas-detecting device.
Fig. 2 is the diagrammatic cross-section that Figure 1B A-A hatching regards.
Fig. 3 A is the front appearance schematic diagram of gas detection module associated components in this case gas-detecting device.
Fig. 3 B is the back appearance schematic diagram of gas detection module associated components in this case gas-detecting device.
Fig. 3 C is the decomposition diagram of gas detection module associated components in this case gas-detecting device.
Fig. 4 A is the decomposition diagram of the first actuator of this case gas detection module.
Fig. 4 B is another angle decomposition schematic diagram of the first actuator of this case gas detection module.
Fig. 5 A is the diagrammatic cross-section of the first actuator of this case gas detection module.
The illustrative view of Fig. 5 B to Fig. 5 D this case the first actuator of gas detection module.
Fig. 6 is the gas flow direction stereoscopic schematic diagram of this case gas-detecting device gas detection module.
Fig. 7 is the gas flow direction partial enlargement diagram of this case gas-detecting device gas detection module.
Fig. 8 is the appearance diagram of particulate matter monitoring module and control module in this case gas-detecting device.
Fig. 9 is the diagrammatic cross-section of particulate matter monitoring module in this case gas-detecting device.
Figure 10 is the decomposition diagram of the second actuator associated components in this case particulate matter monitoring module.
Figure 11 A to Figure 11 C is the illustrative view of the second actuator of this case particulate matter monitoring module.
Figure 12 is the control illustrative view of this case gas-detecting device control module associated components.
Description of symbols
1: ontology
11: chamber
12: the first air inlets
13: the second air inlets
14: gas outlet
2: gas detection module
21: compartment body
211: partition
212: first compartment
213: second compartment
214: notch
215: opening
216: venthole
217: accommodation groove
22: support plate
221: blow vent
222: connector
23: sensor
24: the first actuators
241: inlet plate
241a: air inlet
241b: confluence round
241c: confluence chamber
242: resonance plate
242a: hollow hole
242b: movable part
242c: fixed part
243: piezoelectric actuator
243a: suspension board
2431a: first surface
2432a: second surface
243b: outline border
2431b: surface is assembled
2432b: lower surface
243c: interconnecting piece
243d: piezoelectric element
243e: gap
243f: protrusion
2431f: boss surface
244: insulating trip
245: conductive sheet
246: cavity space
3: particulate matter monitoring module
31: vent entrance openings
32: aeration vent
33: particulate matter monitoring pedestal
331: bearing slot
332: monitoring channel
333: beam channel
334: accommodation chamber
34: carrying partition
341: communication port
35: laser emitter
36: the second actuators
361: fumarole piece
361a: bracket
361b: suspension piece
361c: hollow bore
362: chamber frame
363: actuation body
363a: piezoelectricity support plate
363b: adjustment sounding board
363c: piezoelectric board
364: Insulating frame
365: conductive frame
366: resonator chamber
367: air-flow chamber
37: particle sensor
38: first compartment
39: second compartment
4: control module
41: processor
42: communication device
43: battery
5: external device (ED)
6: power supply unit
L: length
W: width
H: height
A: air flow path
C: wired interface
G: chamber spacing
Specific embodiment
The some exemplary embodiments for embodying this case features and advantages will describe in detail in the explanation of back segment.It should be understood that
This case can have various variations in different aspects, all not depart from the range of this case, and explanation therein and diagram
It is illustrated as being used in itself, rather than to limit this case.
Figure 1A to Fig. 1 E, Fig. 2 are please referred to, this case provides a kind of gas-detecting device, includes an ontology 1, a gas detection
Module 2, a particulate matter monitoring module 3 and a control module 4.Gas-detecting device will form a slim portable apparatus, because furthermore
The convenience for allowing a user to hold and being not easy to fall and have carrying need to be reached by seeing structure design, on the apparent size of ontology 1
With regard to that need to design the rectangular body of slimming, the appearance size design of such this case ontology 1 has a length L, a width W and one high
H is spent, and is configured at according to current gas detection module 2, particulate matter monitoring module 3 and control module 4 optimized with installing in ontology 1
Meter, this case optimize configuration design to meet, and configure 92~102mm for the length L of ontology 1, length L is that 97mm is most
Good, width W is configured to 41~61mm, and width W is that 51mm is that best and height H is configured to 19~23mm, and height H is 21mm
It is so to allow a user to hold the implementation design that is not easy to fall and have carrying convenience to be best.Have inside ontology 1 again
One chamber 11, and be connected to equipped with the first air inlet 12 and one second air inlet 13 and a gas outlet 14 with the chamber 11.
Again refering to shown in Fig. 2,3A to Fig. 3 C, gas detection module 2 above-mentioned includes a compartment body 21, a support plate
22, a sensor 23 and one first actuator 24.Wherein compartment body 21 is set to 12 lower section of the first air inlet of ontology 1, and
By a partition 211 distinguish it is internal forms a first compartment 212 and second compartment 213, partition 211 is with one section of notch 214, for the
One compartment 212 and second compartment 213 are interconnected, and first compartment 212 has an opening 215, and second compartment 213 has one to go out
Stomata 216 and 21 bottom of compartment body are equipped with an accommodation groove 217, and accommodation groove 217 stretches through to be placed in for support plate 22 and wherein position,
To close the bottom of compartment body 21, and support plate 22 is equipped with a blow vent 221, and encapsulates on support plate 22 and be electrically connected one and pass
Sensor 23, such support plate 22 are mounted on 21 lower section of compartment body, and blow vent 221 will correspond to the venthole of second compartment 213
216, and sensor 23 stretch through first compartment 212 opening 215 and setting in first compartment 212, to detect first every
Gas in room 212, but the first actuator 24 is then set in second compartment 213, with the sensing being set in first compartment 212
Device 23 completely cuts off, and the first actuator 24 generated heat source when actuation is obstructed by partition 211, does not go to influence sensor
23 testing result, and the bottom of the first actuator 24 closing second compartment 213, and control actuating and generate a delivery air-flow, then
It is discharged by the venthole 216 of second compartment 213, gas is discharged in outside compartment body 21 by the blow vent 221 of support plate 22.
Please continue to refer to Fig. 3 A to Fig. 3 C, above-mentioned support plate 22 can be a circuit board, and have a connector 222 thereon,
Connector 222 stretches through for a circuit soft board (not shown) into connection, provides the electric connection of support plate 22 and signal connection.
Please refer to Fig. 4 A to Fig. 5 A again, the first above-mentioned actuator 24 is a gas pump, include sequentially stack one into
Gas plate 241, a resonance plate 242, a piezoelectric actuator 243, an insulating trip 244, a conductive sheet 245.Inlet plate 241 has at least
One air inlet 241a, at least one confluence round 241b and confluence a chamber 241c, above-mentioned air inlet 241a and confluence round
Its quantity of 241b is identical, and in this present embodiment, air inlet 241a and confluence round 241b is given an example with quantity 4, not
As limit；4 air inlet 241a penetrate through 4 confluence round 241b respectively, and 4 confluence round 241b are flowed to confluence chamber
241c。
Above-mentioned resonance plate 242, permeable laminating type are connected on inlet plate 241, and are had in one on resonance plate 242
Emptying aperture 242a, a movable part 242b and a fixed part 242c, hollow hole 242a are located at the center of resonance plate 242, and and air inlet
The confluence chamber 241c of plate 241 is corresponding, and is set to around hollow hole 242a and the region opposite with confluence chamber 241c is
Movable part 242b, and the outer peripheral edge portion for being set to resonance plate 242 is posted solid on inlet plate 241 then as fixed part 242c.
Above-mentioned piezoelectric actuator 243 includes a suspension board 243a, an outline border 243b, at least an interconnecting piece 243c, one
Piezoelectric element 243d, at least a gap 243e and a protrusion 243f；Wherein, suspension board 243a is a positive square suspension board, is had
A second surface 2432a of first surface 2431a and opposite first surface 2431a, outline border 243b surround and are set to suspension board
The periphery of 243a, and outline border 243b has one to assemble surface 2431b and a lower surface 2432b, and penetrates an at least interconnecting piece
243c is connected between suspension board 243a and outline border 243b, to provide the support force of resilient support suspension board 243a, wherein at least
Gap of the one gap 243e between suspension board 243a, outline border 243b and interconnecting piece 243c, to for gas to pass through.In addition, outstanding
The first surface 2431a of kickboard 243a have protrusion 243f, protrusion 243f be in this present embodiment by the periphery of protrusion 243f and
The junction of interconnecting piece 243c is adjacent to through etch process, keeps its recessed, to make the protrusion 243f of suspension board 243a be higher than the
One surface 2431a forms step structure.
Again as shown in Figure 5A, the suspension board 243a of the present embodiment is adopted makes it to lower recess with stamping, distance of sinking
It can be formed between suspension board 243a and outline border 243b and be adjusted by an at least interconnecting piece 243c, made convex on suspension board 243a
Both surface 2431b that assembles of the boss surface 2431f and outline border 243b of portion 243f form non-co-planar, that is, protrusion 243f
What boss surface 2431f will be less than outline border 243b assembles surface 2431b, and the second surface 2432a of suspension board 243a is lower than outer
The lower surface 2432b of frame 243b, but piezoelectric element 243d is attached at the second surface 2432a of suspension board 243a, with protrusion 243f
It is oppositely arranged, piezoelectric element 243d is applied after driving voltage and generates deformation due to piezoelectric effect, and then drives suspension board
243a bending vibration；It is used in assembling for outline border 243b and is coated with a small amount of adhesive on the 2431b of surface, cause piezoelectricity with hot pressing mode
Dynamic device 243 fits in the fixed part 242c of resonance plate 242, so that piezoelectric actuator 243 is able to assemble knot with resonance plate 242
It closes.In addition, insulating trip 244 and conductive sheet 245 are all the slim sheet body of frame-type, sequentially it is stacked under piezoelectric actuator 243.Yu Ben
In embodiment, insulating trip 244 is attached at the lower surface 2432b of the outline border 243b of piezoelectric actuator 243.
Please continue to refer to Fig. 5 A, inlet plate 241, resonance plate 242, the piezoelectric actuator 243, insulating trip of the first actuator 24
244, it after conductive sheet 245 sequentially stacks combination, is wherein formed between the first surface 2431a and resonance plate 242 of suspension board 243a
One chamber spacing g, chamber spacing g will will affect the laser propagation effect of the first actuator 24, therefore maintain g pairs fixed of a chamber spacing
It is particularly significant for providing stable efficiency of transmission in the first actuator 24.First actuator 24 of this case uses suspension board 243a
Impact style makes it to lower recess, and the first surface 2431a and outline border 243b of suspension board 243a is allowed to assemble surface 2431b two
Person is non-co-planar, that is, the first surface 2431a of suspension board 243a will be less than outline border 243b assemble surface 2431b, and it is outstanding
The second surface 2432a of kickboard 243a is lower than the lower surface 2432b of outline border 243b, so that the suspension board of piezoelectric actuator 243
243a be recessed to be formed a space with resonance plate 242 constitute an adjustable chamber spacing g, being directed through will be above-mentioned piezoelectric actuated
The suspension board 243a of device 243 adopts the structural improvement that a cavity space 246 is constituted with shaped depression, in this way, required chamber
Spacing g is able to complete through the suspension board 243a shaped depression distance of adjustment piezoelectric actuator 243, effectively simplifies adjustment
The advantages that structure of chamber spacing g designs, while also reaching simplified processing procedure, shortens processing time.
Fig. 5 B to Fig. 5 D is the illustrative view of the first actuator 24 shown in Fig. 5 A, piezoelectric actuated please referring initially to Fig. 5 B
The piezoelectric element 243d of device 243 generates deformation drive suspension board 243a to bottom offset after being applied driving voltage, and chamber is empty at this time
Between 246 volume promoted, in foring negative pressure in cavity space 246, just draw confluence chamber 241c in air enter chamber
In space 246, while resonance plate 242 is influenced to be synchronized by resonance principle to bottom offset, related to increase confluence chamber
The volume of 241c, and because the air in confluence chamber 241c enters the relationship of cavity space 246, it causes same in confluence chamber 241c
Sample is negative pressure state, and then is entered in confluence chamber 241c by confluence round 241b, air inlet 241a come draw air；Please again
Refering to Fig. 5 C, piezoelectric element 243d drives suspension board 243a to shift up, and compression chamber space 246 forces in cavity space 246
Air transmitted downwards by gap 243e, to achieve the effect that transmit air, the same to time, resonance plate 242 is equally suspended plate
243a is shifted up because of resonance, and the synchronous gas pushed in confluence chamber 241c is mobile toward cavity space 246；Finally please refer to
Fig. 5 D, when suspension board 243a is driven downwards, resonance plate 242 be also driven simultaneously and to bottom offset, resonance plate 242 at this time
It is mobile to an at least gap 243e will to make the gas in compression chamber space 246, and promotes the volume in confluence chamber 241c,
Gas can constantly be converged at by air inlet 241a, confluence round 241b in confluence chamber 241c, through constantly
It repeats the above steps, so that the first actuator 24 is continuously entered gas from air inlet 241a, then by an at least gap 243e
Transmission downwards provides gas and senses to transfer meter 23, promote sensing constantly to draw the entrance of the gas outside gas-detecting device
Efficiency.
Please continue to refer to Fig. 5 A, its another embodiment of the first actuator 24, which can pass through micro electronmechanical mode, makes the first actuating
Device 24 is a MEMS gas pump, wherein inlet plate 241, piezoelectric actuator 243, insulating trip 244, is led at resonance plate 242
Electric piece 245 all can pass through face type micro-processing technology and be made, to reduce the volume of the first actuator 24.
Please continue to refer to Fig. 6 and Fig. 7, when gas detection module 2 is embedded in the chamber 11 of ontology 1, this ontology 1 is being schemed
The gas flow direction of gas detection module 2 for convenience of description, gives transparency process for ontology 1 hereby in legend in example,
To illustrate, and the first air inlet 12 of ontology 1 corresponds to the first compartment 212 of compartment body 21, the first air inlet of ontology 1
12 is directly corresponding with 23 the two of sensor being located in first compartment 212, that is, the first air inlet 12 is not positioned immediately on sensing
The top of device 23, the two mutual dislocation so penetrate the control actuation of the first actuator 24, allow second compartment 213 is interior to start shape
At negative pressure, start to draw the extraneous gas outside ontology 1, and import in first compartment 212, so that the sensing in first compartment 212
Device 23 starts to be monitored the gas for flowing through in its surface, with the GAS QUALITY outside detection body 1, and the first actuator 24
Constantly when actuation, the gas monitored will import second compartment 213 by the notch 214 on partition 211, finally by outlet
Hole 216, support plate 22 blow vent 221 be discharged except compartment body 21, to constitute unidirectional gas delivery monitoring (such as Fig. 6 mark
Show the direction signified air flow path A).
Above-mentioned sensor 23 can be gas sensor, include an oxygen sensor, a carbon monoxide transducer, a dioxy
Change at least one or its of carbon sensor, a temperature sensor, an ozone sensor and a volatile organic matter sensor
The group being composed；Or, above-mentioned sensor 23 can be at least one or its of monitoring bacterium, virus and microorganism
Anticipate the group being composed.
As shown in the above description, gas-detecting device provided by this case, can be monitored at any time using gas detection module 2 is made
User's ambient air quality, and be able to quickly and stably introduce gas into gas detection module 2 using the first actuator 24
It is interior, 23 efficiency of sensor is not only promoted, and penetrate the design of the first compartment 212 and second compartment 213 of compartment body 21, by the
One actuator 24 is spaced from each other with sensor 23, and sensor 23 is enable to obstruct the heat source for reducing the first actuator 24 when monitoring
It influences, the monitoring accuracy for being unlikely to influence sensor 23 reaches it is further possible to not influenced by the other elements in device
The purpose that gas-detecting device can detect at any time, everywhere, and can have fast and accurately monitoring effect.
It is please referred to shown in Fig. 1 D, 1E figure, Fig. 8 and Fig. 9 again, gas-detecting device provided by this case is with more a monitoring gas
The particulate matter monitoring module 3 of particle, particulate matter monitoring module 3 are set in the chamber 11 of ontology 1 in body, comprising a vent entrance openings 31,
One aeration vent 32, a particulate matter monitoring pedestal 33, one carry partition 34, a laser emitter 35, one second actuator 36 and one
Particle sensor 37, wherein the second air inlet 13 of the corresponding ontology 1 of vent entrance openings 31, aeration vent 32 correspond to the outlet of ontology 1
Mouth 14 obtains gas and is entered inside particulate matter monitoring module 3 by vent entrance openings 31, and is discharged by aeration vent 32, and particulate matter monitoring
Pedestal 33 and carrying partition 34 be set to inside particulate matter monitoring module 3 so that 3 inner space of particulate matter monitoring module by carrying every
Plate 34 defines a first compartment 38 and second compartment 39, and carries partition 34 with a communication port 341, to be connected to first compartment
38 are connected to second compartment 39 and second compartment 39 with aeration vent 32, and particulate matter monitoring pedestal 33 is adjacent to carrying partition
34, and be placed in first compartment 38, and there is particulate matter monitoring pedestal 33 a bearing slot 331, one to monitor channel 332, a light beam
Channel 333 and an accommodation chamber 334, wherein bearing slot 331 directly vertically corresponds to vent entrance openings 31, and monitoring channel 332 is set to
331 lower section of bearing slot, and it is connected to the communication port 341 of carrying partition 34, and accommodation chamber 334 is set to monitoring 332 side of channel,
And beam channel 333 is connected between accommodation chamber 334 and monitoring channel 332, and beam channel 33 is directly vertically logical across monitoring
Road 332, by vent entrance openings 31, bearing slot 331, monitoring channel 332, communication port 341, ventilation inside such particulate matter monitoring module 3
Outlet 32 constitutes a gas passage for being unidirectionally sent export gas, i.e., such as the path of Fig. 9 arrow direction.
Above-mentioned laser emitter 35 is set in accommodation chamber 334,36 framework of the second actuator on bearing slot 331, with
And particle sensor 37 is electrically connected on carrying partition 34, and is located at 332 lower section of monitoring channel, such 35 institute of laser emitter
The laser beam of transmitting is irradiated into beam channel 33, and beam channel 33 guides laser beam and exposes in monitoring channel 332, with
To monitoring channel 332 in gas contained in suspended particulates irradiation, and suspended particulates will be generated after being irradiated by light beam it is multiple
Luminous point is projeced into 37 surface of particle sensor and is received, and makes particle sensor 37 to sense the partial size and concentration of suspended particulates.
The particle sensor of the present embodiment is PM2.5 sensor.
It can be seen from the above, the monitoring channel 332 of particulate matter monitoring module 3 directly vertically corresponds to vent entrance openings 31, make to monitor
It is able to direct air guide above channel 332, does not influence air-flow importing, and 36 framework of the second actuator is on bearing slot 331, to ventilation
The delivery sucking of the outer gas of entrance 31 is so able to accelerate in gas importing monitoring channel 332, and carries out through particle sensor 37
Detection promotes the efficiency of particle sensor 37.
Please continue to refer to Fig. 9, in addition, there are carrying partition 34 above-mentioned an exposed parts 342, which to penetrate, extends particle prison
It surveys outside module 3, there is a connector 343, connector 343 stretches through for circuit soft board into connection, to mention on exposed parts 342
It is electrically connected for carrying partition 34 and signal connects.Wherein, the present embodiment carrying partition 34 be a circuit board, but not as
Limit.
The characteristics of understanding above-mentioned particulate matter monitoring module 3 explanation, the below structure with regard to its second actuator 36 and actuation side
Formula is described:
Figure 10, Figure 11 A to Figure 11 C are please referred to, the second above-mentioned actuator 36 is a gas pump, and the second actuator 36 includes
There are the fumarole piece 361 sequentially stacked, chamber frame 362, actuation body 363, Insulating frame 364 and conductive frame 365；Fumarole
Piece 361 contains multiple bracket 361a, a suspension piece 361b and a hollow bore 361c, and the flexible vibration of suspension piece 361b is more
A bracket 361a is adjacent to the periphery of suspension piece 361b, and in the present embodiment, its quantity of bracket 361a is 4, is adjacent to respectively outstanding
4 corners of floating piece 361b, but this is not to be limited, and and hollow bore 361c is formed in the center of suspension piece 361b；Cavity
The carrying of frame 362 is stacked and placed on suspension piece 361b, and the carrying of actuation body 363 is stacked and placed in chamber frame 362, and contains a piezoelectricity
Support plate 363a, adjustment a sounding board 363b, a piezoelectric board 363c, wherein piezoelectricity support plate 363a carrying is stacked and placed on chamber frame 362
On, adjustment sounding board 363b carrying is stacked and placed on piezoelectricity support plate 363a, and piezoelectric board 363c carrying is stacked and placed on adjustment sounding board 363b
On, for deformation occurs after application voltage to drive piezoelectricity support plate 363a and adjustment sounding board 363b to carry out reciprocating bending vibration；
Insulating frame 364 is then that carrying is stacked and placed on the piezoelectricity support plate 363a of actuation body 363, and the carrying of conductive frame 365 is stacked and placed on insulation
On frame 364, wherein form a resonator chamber 366 between actuation body 363, chamber frame 362 and suspension piece 361b.
The illustrative view for the second actuator 36 that Figure 11 A to Figure 11 C is this case is please referred to again.Please referring initially to Fig. 9 and figure
11A, the second actuator 36 are set to the second actuator 36 on the bearing slot 331 of particulate matter monitoring pedestal 33 through bracket 361a
The bottom surface interval of side, fumarole piece 361 and bearing slot 331 is arranged, and in formation air-flow chamber 367 between the two；Referring again to
Figure 11 B, when applying a voltage to the piezoelectric board 363c of actuation body 363, piezoelectric board 363c starts to generate deformation simultaneously because of piezoelectric effect
Synchronous drive adjusts sounding board 363b and piezoelectricity support plate 363a, at this point, fumarole piece 361 can be because of helmholtz resonance
(Helmholtz resonance) principle is driven together, so that actuation body 363 moves up, since actuation body 363 is to upper
It moves, so that the volume of the air-flow chamber 367 between fumarole piece 361 and the bottom surface of bearing slot 331 increases, air pressure inside is formed
Negative pressure, in air outside the second actuator 36 by because barometric gradient by fumarole piece 361 bracket 361a and bearing slot 331
Gap between side wall enters air-flow chamber 367 and carries out collection pressure；Figure 11 C is finally please referred to, gas constantly enters air flow chamber
In room 367, so that the air pressure in air-flow chamber 367 is formed positive pressure, at this point, actuation body 363 is moved down by voltage driving, will compress
The volume of air-flow chamber 367, and push gas in air-flow chamber 367 enters gas in monitoring channel 332, and by gas
It is supplied to particle sensor 37, through the aerosol concentration in 37 detection gas of particle sensor.
Above-mentioned second actuator 36 is a gas pump, and second actuator 36 of certain this case also can pass through micro electronmechanical processing procedure
The MEMS gas pump that mode is produced, wherein fumarole piece 361, chamber frame 362, actuation body 363, Insulating frame
364 and conductive frame 365 all can pass through face type micro-processing technology be made, with reduce the second actuator 36 volume.
It being please referred to shown in Fig. 8 and Figure 12 again again, the control module 4 of this case includes a processor 41 and a communication device 42,
Processor 41 controls communication device 42, the sensor 23 of gas detection module 2, the first actuator 24 and particulate matter monitoring module 3
Particle sensor starting, and sensor 23 and particle sensor institute testing result are carried out being converted into a monitoring data
Storage, monitoring data can simultaneously be stored by transmission one external device (ED) 5 of connection of communication device 42.External device (ED) 5 can for cloud system,
One of portable apparatus, computer system, display device etc., to show monitoring data and notification warning.Wherein communication device
42 permeable wire transmission are wirelessly transmitted to external device (ED) 5, wire transmission mode for example: USB, mini-USB, micro-USB
Wired external transmission is connected Deng one of them interface, and in the present embodiment, the mini-USB's of label meaning has as referring to figure 1E
Line interface C implements wire transmission, wireless transmission method for example: Wi-Fi module, bluetooth module, radio frequency identification module, one
The radio interface (being built into communication device 42) of one of near field communication module etc. externally transmits.In addition, control module 4 into one
Step includes a battery 43, and to provide storage electric energy, output electric energy, and the external power supply unit 6 that can arrange in pairs or groups connects conducting electric energy
Electric energy is received to store, so that electric energy is supplied to processor 41, processor 41 can be supplied to gas detection module 2 and particulate matter monitoring module
3 electrical property and driving signal.Wherein power supply unit 6 is able to wired conduction pattern or wireless conduction pattern conveys the electric energy and gives electricity
Pond 43 stores.
In conclusion gas-detecting device provided by this case, can monitor user's week using gas detection module at any time
Ambient air quality is enclosed, and is able to quickly and stably introduce gas into gas detection module using the first actuator, is not only mentioned
Sensor efficiency is risen, and the compartment for penetrating compartment body designs, and the first actuator is spaced from each other with sensor, supervises sensor
The heat source influence for reducing the first actuator can be obstructed when survey, be unlikely to influence the monitoring accuracy of sensor, also can not
It is influenced by the other elements (control module) in device, achievees the purpose that gas-detecting device can detect at any time, everywhere, and can have
Standby fast and accurately monitoring effect, contains particle in addition, having in air of the particulate matter monitoring module to monitor ambient enviroment
Concentration, and monitoring information is provided and is transmitted to external device (ED), it can be made instantly available information, to make the people at warning informing in the environment,
It can prevent or flee from immediately, avoid causing Health Impact and injury by the gas exposure in environment.
This case appointed as person familiar with the technology apply craftsman think and be it is all as modify, it is so neither de- such as attached claim
Be intended to Protector.
Although the present invention is disclosed as above with preferred embodiment, however, it is not to limit the invention, any this field skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and perfect therefore of the invention protection model
It encloses to work as and subject to the definition of the claims.
Claims (20)
1. a kind of gas-detecting device, characterized by comprising:
One ontology, inside have a chamber；
One gas detection module is set in the chamber, includes a sensor and one first actuator, first actuator control
Gas imports inside the gas detection module, and is monitored by the sensor；
One particulate matter monitoring module, is set in the chamber, includes a laser emitter, one second actuator and particle sensing
Device, second actuator control gas import the particulate matter monitoring inside modules, are shone by the emitted laser beam of the laser emitter
It penetrates, to project the partial size and concentration of luminous point contained suspended particulates into the particle sensor Surface testing gas in gas；And
One control module controls the monitoring starting running of the gas detection module, the particulate matter monitoring module, and by the gas detection
The monitoring data of module and the particulate matter monitoring module are carried out being converted into monitoring data storage, and can be sent to an outside dress
Set storage.
2. gas-detecting device as described in claim 1, which is characterized in that the ontology is equipped with one first air inlet, one second
Air inlet and a gas outlet, respectively with the chamber.
3. gas-detecting device as claimed in claim 2, which is characterized in that the gas detection module include a compartment body and
One support plate, the compartment body are set to below first air inlet, and are distinguished inside by a partition and formed a first compartment and one
There is a notch to be interconnected for the first compartment and the second compartment for second compartment, the partition, and the first compartment has one
Opening, which has a venthole, and the support plate is mounted below the compartment body and encapsulates and be electrically connected the biography
Sensor, and the sensor stretches through the opening setting in the first compartment, and first actuator is mounted on the second compartment
In with the sensor completely cut off, and first actuator control gas by first air inlet import, and through the sensor carry out
Monitoring, then the venthole through the compartment body are discharged in outer.
4. gas-detecting device as described in claim 1, which is characterized in that the sensor of the gas detection module includes one
Made of at least one of oxygen sensor, a carbon monoxide transducer and a carbon dioxide sensor or any combination thereof
Group.
5. gas-detecting device as described in claim 1, which is characterized in that the sensor of the gas detection module includes one
Volatile organic matter sensor.
6. gas-detecting device as described in claim 1, which is characterized in that the sensor of the gas detection module includes prison
Survey group made of at least one of bacterium, virus and microorganism or any combination thereof.
7. gas-detecting device as described in claim 1, which is characterized in that first actuator of the gas detection module is
One MEMS gas pump.
8. gas-detecting device as described in claim 1, which is characterized in that first actuator of the gas detection module is
One gas pump, it includes:
One inlet plate has an at least air inlet, at least one confluence round and a confluence chamber, and wherein an at least air inlet supplies
Air-flow is imported, which corresponds to the air inlet, and the air-flow of the air inlet is guided to converge into the confluence chamber；
There is one resonance plate a hollow hole to correspond to the confluence chamber, and be a movable part around the hollow hole；And
One piezoelectric actuator, setting corresponding with the resonance plate；
Wherein, between the resonance plate and the piezoelectric actuator there is a cavity space to make when so that the piezoelectric actuator being driven
Air-flow is imported by an at least air inlet for the inlet plate, is collected to the confluence chamber through at least one confluence round, is passed through
The hollow hole of the resonance plate generates resonance transfer air-flow by the movable part of the piezoelectric actuator and the resonance plate.
9. gas-detecting device as claimed in claim 8, which is characterized in that the piezoelectric actuator includes:
One suspension board, has a first surface and a second surface, which has a protrusion；
One outline border around the outside for being set to the suspension board, and has one to assemble surface；
An at least bracket is connected between the suspension board and the outline border, flexibly supports the suspension board to provide；And
One piezoelectric element is attached on the second surface of the suspension board, to apply voltage to drive the suspension plate benging to shake
It is dynamic；
Wherein, an at least stent forming is between the suspension board and the outline border, and makes the first surface of the suspension board and be somebody's turn to do
This of outline border assembles surface and is formed as non-co-planar structure, and the first surface of the suspension board and the sounding board is made to keep a chamber
Room spacing.
10. gas-detecting device as claimed in claim 8, which is characterized in that the gas pump includes that a conductive sheet and one are exhausted
Embolium, wherein the inlet plate, the resonance plate, the piezoelectric actuator, the conductive sheet and the insulating trip sequentially stack setting.
11. gas-detecting device as claimed in claim 2, which is characterized in that the particulate matter monitoring module include ventilate into
Mouth, an aeration vent, a carrying partition and a particulate matter monitoring pedestal, the vent entrance openings correspond to second air inlet of the ontology
Mouthful, which corresponds to the gas outlet of the ontology, and the particulate matter monitoring module interior space is fixed by the carrying partition
Justice go out a first compartment and second compartment, and the carrying partition have a communication port, be connected to the first compartment and this second every
Room, and the first compartment is connected to the vent entrance openings, which is connected to the aeration vent, and the particulate matter monitoring pedestal is adjacent
It set on the carrying partition, and is placed in the first compartment, there is a bearing slot, a monitoring channel, a beam channel and an appearance
Room is set, which directly vertically corresponds to the vent entrance openings, and second actuator is set on the bearing slot, and the monitoring
Channel is set to below the bearing slot and the accommodation chamber is set to monitoring channel side accommodating and positions the laser emitter,
And the beam channel is to be connected between the accommodation chamber and the monitoring channel, and directly vertically across the monitoring channel, guiding should
The emitted laser beam of laser emitter exposes in the monitoring channel and the particle sensor is set under the monitoring channel
Side promotes second actuator to control the gas and is entered in the bearing slot by the vent entrance openings and imported in the monitoring channel, and
By the laser emitter emitted laser beam irradiation, to project in the gas luminous point to the particle sensor Surface testing gas
In contained suspended particulates partial size and concentration, and be discharged by the aeration vent.
12. gas-detecting device as claimed in claim 11, which is characterized in that the carrying partition of the particulate matter monitoring module is
One circuit board.
13. gas-detecting device as claimed in claim 12, which is characterized in that the particle sensor of the particulate matter monitoring module
It is electrically connected on the carrying partition, and is located at below monitoring channel.
14. gas-detecting device as described in claim 1, which is characterized in that the particle sensor of the particulate matter monitoring module
For PM2.5 sensor.
15. gas-detecting device as claimed in claim 11, which is characterized in that second actuator of the particulate matter monitoring module
For a MEMS gas pump.
16. gas-detecting device as claimed in claim 11, which is characterized in that second actuator of the particulate matter monitoring module
For a gas pump, it includes:
One fumarole piece, include multiple brackets, a suspension piece and a hollow bore, the flexible vibration of suspension piece, multiple
Frame is adjacent to the suspension piece periphery, and the hollow bore is formed in the center of suspension piece, this is arranged through multiple brackets and holds
It sets above slot, and provides and flexibly support the suspension piece, and form an air-flow chamber between the fumarole piece and the bearing slot, and should
An at least gap is formed between multiple brackets and the suspension piece；
One chamber frame, carrying are stacked and placed on the suspension on piece；
One actuation body, carrying are stacked and placed in the chamber frame, generate reciprocally bending vibration to receive voltage；
One Insulating frame, carrying are stacked and placed in the actuation body；And
One conductive frame, carrying is folded to be set on the Insulating frame；Wherein, the actuation body, the chamber frame and the suspension piece it
Between form a resonator chamber, through the actuation body is driven to drive the fumarole piece to generate resonance, this for making the fumarole piece is outstanding
Floating piece generates reciprocally vibration displacement, to cause the gas to enter the air-flow chamber by an at least gap, then by the gas
The discharge of body runner, realizes the transport flow of the gas.
17. gas-detecting device as claimed in claim 16, which is characterized in that the actuation body includes:
One piezoelectricity support plate, carrying are stacked and placed in the chamber frame；
One adjustment sounding board, carrying are stacked and placed on the piezoelectricity support plate；And
One piezoelectric board, carrying are stacked and placed on the adjustment sounding board, and the piezoelectricity support plate and the adjustment is driven to resonate to receive voltage
Plate generates reciprocally bending vibration.
18. gas-detecting device as described in claim 1, which is characterized in that the control module includes that a processor and one are logical
Cell part, wherein the processor controls the communication device, the sensor of the gas detection module, first actuator and is somebody's turn to do
The starting of the particle sensor of particulate matter monitoring module, and the sensor and the particle sensor institute testing result are converted
At a monitoring data, which is sent by the communication device links external device (ED) storage.
19. gas-detecting device as described in claim 1, which is characterized in that the external device (ED) is a cloud system, one can take
Formula device, a computer system etc. at least one.
20. gas-detecting device as claimed in claim 18, which is characterized in that the control module further comprises a battery,
To provide storage electric energy, output electric energy, and the external power supply unit of capable of arranging in pairs or groups stores to conduct the electric energy and receive the electric energy,
Electric energy is set to be supplied to the processor, which can be supplied to the gas detection module and the electrical property and drive of the particulate matter monitoring module
Dynamic signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478286.2A CN110501455A (en) | 2018-05-18 | 2018-05-18 | Gas-detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478286.2A CN110501455A (en) | 2018-05-18 | 2018-05-18 | Gas-detecting device |
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| Publication Number | Publication Date |
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| CN110501455A true CN110501455A (en) | 2019-11-26 |
Family
ID=68584853
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810478286.2A Pending CN110501455A (en) | 2018-05-18 | 2018-05-18 | Gas-detecting device |
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| CN112924343A (en) * | 2019-12-06 | 2021-06-08 | 研能科技股份有限公司 | External gas detection device |
| CN113080845A (en) * | 2020-01-08 | 2021-07-09 | 研能科技股份有限公司 | Health detection device with gas detection function |
| WO2021175182A1 (en) * | 2020-03-02 | 2021-09-10 | 长鑫存储技术有限公司 | Material transportation system, and overhead hoist transfer traveling region particle monitoring system and monitoring method |
| CN113758838A (en) * | 2020-06-03 | 2021-12-07 | 研能科技股份有限公司 | Gas detection device |
| US11885785B2 (en) | 2020-01-08 | 2024-01-30 | Microjet Technology Co., Ltd. | Health monitoring device having gas detection function |
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| CN113080845A (en) * | 2020-01-08 | 2021-07-09 | 研能科技股份有限公司 | Health detection device with gas detection function |
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Application publication date: 20191126 |