CN110082269A - A kind of dust concentration and gas concentration lwevel detect measuring device - Google Patents
A kind of dust concentration and gas concentration lwevel detect measuring device Download PDFInfo
- Publication number
- CN110082269A CN110082269A CN201910348861.1A CN201910348861A CN110082269A CN 110082269 A CN110082269 A CN 110082269A CN 201910348861 A CN201910348861 A CN 201910348861A CN 110082269 A CN110082269 A CN 110082269A
- Authority
- CN
- China
- Prior art keywords
- dust
- carbon dioxide
- shell
- ventilating duct
- detection
- 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.)
- Granted
Links
- 239000000428 dust Substances 0.000 title claims abstract description 68
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 104
- 238000001514 detection method Methods 0.000 claims abstract description 53
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 52
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 241000790917 Dioxys <bee> Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 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
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
-
- 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
- G01N15/075—Investigating concentration of particle suspensions by optical means
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of dust concentrations and gas concentration lwevel to detect measuring device, including shell and blower, ventilating duct, carbon dioxide sensing chamber and dust investigating installation cavity are provided in shell, ventilating duct runs through shell, dust investigating is provided in dust investigating installation cavity, carbon dioxide detection interior is fixedly installed carbon dioxide detection device, carbon dioxide sensing chamber is connected with ventilating duct, the side wall of dust investigating installation cavity offers exploration hole, exploration hole is connected with ventilating duct, and blower is corresponding with ventilating duct；Advantage is that the ventilating duct being arranged in shell is connected with carbon dioxide sensing chamber, dust investigating installation cavity, and carbon dioxide detection interior is provided with carbon dioxide detection device, is provided with dust investigating in dust investigating installation cavity, it can be completed at the same time the detection to dust concentration and gas concentration lwevel in this enclosure interior by a ventilating duct, the space occupied is also relatively small while structure is simple.
Description
Technical field
The present invention relates to dust detection fields, and in particular to a kind of dust concentration and gas concentration lwevel detection measurement dress
It sets.
Background technique
With the development of society, more and more requirements of the industry field to working environment are gradually increased, for example, warehouse or
The specific underground activities environment of person need in air dust concentration and gas concentration lwevel detect, dust concentration is excessively high
The danger that dust explosion can occur when meeting have an impact to the body of staff while dust concentration is excessively high, works as building ring accordingly
Domestic gas concentration lwevel is higher to make meeting so that the oxygen content in air reduces, and will lead to staff's asphyxia when serious,
Human casualty accident occurs.The detection of existing dust concentration usually carries out Concentration Testing using the scattering principle of light and passes through
Dust detector is detected, and carbon dioxide needs to be detected by carbon dioxide detector, when needing to dust and dioxy
Change carbon simultaneously when being detected, two kinds of instruments are set usually in working environment and are worked at the same time respectively to dust and carbon dioxide
Concentration is detected, and dust detector and carbon dioxide detection are used simultaneously so that complex for operation step, while two instrument of use
Device can also make instrument the space occupied larger.
Summary of the invention
The technical problems to be solved by the present invention are: providing, a kind of structure is simple, operation is convenient and can detect dust simultaneously
The detection measuring device of concentration and gas concentration lwevel.
The technical scheme of the invention to solve the technical problem is: a kind of dust concentration and gas concentration lwevel are examined
Measuring device is surveyed, including shell, blower, the dust investigating for detecting dust concentration and for detecting gas concentration lwevel
Carbon dioxide detection device, ventilating duct, carbon dioxide sensing chamber and dust investigating installation are provided in the shell
Chamber, the ventilating duct run through the shell, and the dust investigating installation is arranged in the dust investigating
Intracavitary, the carbon dioxide detection device is fixed at the carbon dioxide detection interior, the carbon dioxide inspection
It surveys room to be connected with the ventilating duct, the side wall of the dust investigating installation cavity offers exploration hole, the spy
Gaging hole is connected with the ventilating duct, and the blower is corresponding with the ventilating duct, and the blower and described
Shell is mutually fixed.
Preferably, the shell includes upper housing and lower case, the carbon dioxide sensing chamber, dust investigating
Installation cavity is provided in the lower case, and wind guide tank, the carbon dioxide detection are additionally provided in the lower case
One end of room is connected by the first groove with the wind guide tank, and the other end of the carbon dioxide sensing chamber passes through second
Groove is connected with the wind guide tank, the carbon dioxide sensing chamber by the detection slot that opens up in lower case with it is described
Wind guide tank is connected, and the upper housing is mutually fixed with the lower case.
Preferably, it is provided with lautertuns in first groove, is fixedly installed filter screen in the lautertuns.
Preferably, the carbon dioxide detection device includes the infrared transmitter being oppositely arranged and infrared light-receiving
Device, the infrared transmitter are fixed at one end of the carbon dioxide sensing chamber, the infrared light receiver
It is fixed at the other end of the carbon dioxide sensing chamber.
Preferably, the dust investigating includes laser emitter and photelectric receiver, the laser emitter
It is fixedly mounted on the dust investigating installation cavity, and the laser emitter aligns with the detection slot, institute
The upper housing stated offers detection hole, and the surface of the wind guide tank and detection slot intersection is arranged in the detection hole,
The photelectric receiver is fixed in the detection hole.
Preferably, the ventilating duct have end be air inlet, the other end is air outlet, the blower be exhaust fan,
And the blower is corresponding with the air outlet.
Preferably, the hull outside is fixedly installed shielding case, and the shielding case covering shell is described
Shielding case and the shell between be fixedly installed circuit board, the ground wire of the shielding case and the circuit board is electrically connected
It connects.
Preferably, the side of the upper housing is fixedly installed hasp, and the side of the lower case is fixedly installed
Convex block corresponding with the hasp, the hasp are interlockingly connected with the convex block.
Preferably, fixed cover is fixedly installed on the outside of the shell, the fixed cover surrounds the shell.
Compared with prior art, it is an advantage of the invention that the ventilating duct being arranged in shell and carbon dioxide sensing chamber, dust
Detection device installation cavity is connected, and carbon dioxide detection interior is provided with carbon dioxide detection device, dust investigating
Dust investigating is provided in installation cavity, can be completed at the same time in this enclosure interior to dust concentration by a ventilating duct and
The detection of gas concentration lwevel, the space occupied is also relatively small while structure is simple.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of shell of the invention；
Fig. 3 is the diagrammatic cross-section of shell of the invention；
Fig. 4 is the structural schematic diagram of lower case of the invention；
Fig. 5 is configuration schematic diagram of the invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in the picture, a kind of dust concentration and gas concentration lwevel detect measuring device, including shell 1, blower 2, use
Dust investigating in detection dust concentration and carbon dioxide detection device for detecting gas concentration lwevel, in shell 1
It is provided with ventilating duct, carbon dioxide sensing chamber 3 and dust investigating installation cavity 4, ventilating duct runs through shell 1, dust detection dress
It installing inside dust investigating installation cavity 4, carbon dioxide detection device is fixed in carbon dioxide sensing chamber 3,
Carbon dioxide sensing chamber 3 is connected with ventilating duct, and the side wall of dust investigating installation cavity 4 offers exploration hole, exploration hole with
Ventilating duct is connected, and blower 2 is corresponding with ventilating duct, and blower 2 is mutually fixed with shell.
Shell 1 includes upper housing 5 and lower case 6, and carbon dioxide sensing chamber 3, dust investigating installation cavity 4 are provided with
In lower case 6, wind guide tank 7 is additionally provided in lower case 6, one end of carbon dioxide sensing chamber 3 passes through the first groove 8 and wind guide tank
7 are connected, and the other end of carbon dioxide sensing chamber 3 is connected by the second groove 9 with wind guide tank 7, and carbon dioxide sensing chamber 3 is logical
It crosses the detection slot 10 opened up in lower case 6 to be connected with wind guide tank 7, the side of upper housing 5 is fixedly installed hasp 22, lower case
6 side is fixedly installed convex block 23 corresponding with hasp 22, and hasp 22 can be interlockingly connected with convex block 23.Upper housing 5 and lower casing
After body 6 is fixed by hasp 22,23 phase of convex block, wind guide tank 7 and the closed composition ventilating duct of upper housing 5 detect slot 10 and upper casing
The closed composition exploration hole of body 5, while upper housing 5 is set in first groove 8 also with the first groove 8, the mutually closed setting of the second groove 9
It is equipped with lautertuns 11, filter screen 12 is fixedly installed in lautertuns 11, filter screen 12 offsets with lautertuns 11, upper housing 5.
Carbon dioxide detection device includes the infrared transmitter 13 being oppositely arranged and infrared light receiver 14, infrared light hair
Emitter 13 is fixed at one end of carbon dioxide sensing chamber 3, and infrared light receiver 14 is fixed at carbon dioxide sensing chamber 3
The other end.
Dust investigating includes laser emitter 15 and photelectric receiver 16, and laser emitter 15 is fixedly mounted on dust
Detection device installation cavity 4, and laser emitter 15 aligns with detection slot 10, upper housing 5 offers detection hole 17, detection hole 17
Wind guide tank 7 is set and detects the surface of 10 intersection of slot, photelectric receiver 16 is fixed in detection hole 17.
Ventilating duct has that end be air inlet 18, the other end is air outlet 19, and blower 2 is exhaust fan 2, and blower 2 and outlet air
Mouth 19 is corresponding.
Hull outside is fixedly installed shielding case 20, and shielding case 20 is covered on shell, solid between shielding case 20 and shell
Surely it is provided with circuit board 21, shielding case 20 is electrically connected to ground with circuit board 21, and the outside of shielding case 20 is fixedly installed fixation
Cover 24, the fixed cover 24 surrounds the shielding case 20, while the side of fixed cover 24 is additionally provided with connection plug 25, even
Plug 25 extend into 20 inside of shielding case and is connected with circuit board 21；The side of fixed cover 24 is additionally provided with external air inlet port 26
With outgoing tuyere 27, external air inlet port 26 is connected in the air inlet 18 on shell, the air outlet 19 on outgoing tuyere 27 and shell
It is connected.
The course of work of the invention: after circuit board 21 is powered by connection plug 25, blower 2 works and opens from air outlet 19
Beginning exhausting, the air in working environment enter from air inlet 18, and flow along ventilating duct and flow out from air outlet 19, in air
Along in ventilating duct flow process, partial air enters in carbon dioxide sensing chamber 3 through the first groove 8 and carries out dioxy to it
Change concentration of carbon detection, while filter screen 12 is completed to place the shadow that large particle detects gas concentration lwevel to the filtering of air
It rings, it is that the work of infrared transmitter 13 shines that carbon dioxide detection device, which is started to work, at this time, and the light irradiated is by infrared light
Receiver 14 receives to complete the detection to gas concentration lwevel, after the completion of gas concentration lwevel detection, in carbon dioxide sensing chamber 3
Air come back in ventilating duct through the second groove 9 and extracted out by blower 2.Air flows Shi Huijing in ventilating duct simultaneously
Exploration hole is crossed, circuit board 21 powers on rear dust investigating and starts to work, and laser emitter 15 issues laser, laser irradiation
It can be scattered when dust in ventilating duct in air, the laser being scattered understands some and is radiated at photelectric receiver 16
On, to realize the detection to dust concentration.
Claims (9)
1. a kind of dust concentration and gas concentration lwevel detect measuring device, which is characterized in that including shell, blower, for examining
The dust investigating for surveying dust concentration and carbon dioxide detection device for detecting gas concentration lwevel, in the shell
It is provided with ventilating duct, carbon dioxide sensing chamber and dust investigating installation cavity, the ventilating duct runs through the shell, institute
The dust investigating stated is arranged in the dust investigating installation cavity, and the carbon dioxide detection device fixation is set
It sets in the carbon dioxide detection interior, the carbon dioxide sensing chamber is connected with the ventilating duct, the powder
The side wall of dust detection device installation cavity offers exploration hole, and the exploration hole is connected with the ventilating duct, the wind
Machine is corresponding with the ventilating duct, and the blower is mutually fixed with the shell.
2. a kind of dust concentration as described in claim 1 and gas concentration lwevel detect measuring device, which is characterized in that described
Shell include upper housing and lower case, the carbon dioxide sensing chamber, dust investigating installation cavity are provided with described
Lower case in, be additionally provided with wind guide tank in the lower case, one end of the carbon dioxide sensing chamber is recessed by first
Slot is connected with the wind guide tank, and the other end of the carbon dioxide sensing chamber passes through the second groove and the wind guide tank
It is connected, the carbon dioxide sensing chamber is connected by the detection slot opened up in lower case with the wind guide tank, described
Upper housing mutually fixed with the lower case.
3. a kind of dust concentration as claimed in claim 2 and gas concentration lwevel detect measuring device, which is characterized in that described
The first groove in be provided with lautertuns, be fixedly installed filter screen in the lautertuns.
4. a kind of dust concentration as claimed in claim 2 and gas concentration lwevel detect measuring device, which is characterized in that described
Carbon dioxide detection device include the infrared transmitter being oppositely arranged and infrared light receiver, the infrared transmitter
It is fixed at one end of the carbon dioxide sensing chamber, the infrared light receiver is fixed at the titanium dioxide
The other end of carbon sensing chamber.
5. a kind of dust concentration as claimed in claim 2 and gas concentration lwevel detect measuring device, which is characterized in that described
Dust investigating include laser emitter and photelectric receiver, the laser emitter is fixedly mounted on the dust
Detection device installation cavity, and the laser emitter aligns with the detection slot, the upper housing offers detection
The surface of the wind guide tank and detection slot intersection is arranged in hole, the detection hole, and the photelectric receiver is fixed
It is arranged in the detection hole.
6. a kind of dust concentration as described in claim 1 and gas concentration lwevel detect measuring device, which is characterized in that described
Ventilating duct have end be air inlet, the other end is air outlet, the blower be exhaust fan, and the blower with it is described
Air outlet is corresponding.
7. a kind of dust concentration as described in claim 1 and gas concentration lwevel detect measuring device, which is characterized in that described
Hull outside be fixedly installed shielding case, the shielding case surrounds the shell, the shielding case and the shell
Circuit board is fixedly installed between body, the shielding case is electrically connected to ground with the circuit board.
8. a kind of dust concentration as claimed in claim 2 and gas concentration lwevel detect measuring device, which is characterized in that described
The side of upper housing be fixedly installed hasp, the side of the lower case is fixedly installed corresponding with the hasp
Convex block, the hasp are interlockingly connected with the convex block.
9. a kind of dust concentration as described in claim 1 and gas concentration lwevel detect measuring device, which is characterized in that described
Shell on the outside of be fixedly installed fixed cover, the fixed cover surrounds the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910348861.1A CN110082269B (en) | 2019-04-28 | 2019-04-28 | Dust concentration and carbon dioxide concentration detection and measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910348861.1A CN110082269B (en) | 2019-04-28 | 2019-04-28 | Dust concentration and carbon dioxide concentration detection and measurement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110082269A true CN110082269A (en) | 2019-08-02 |
| CN110082269B CN110082269B (en) | 2024-05-31 |
Family
ID=67417262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910348861.1A Active CN110082269B (en) | 2019-04-28 | 2019-04-28 | Dust concentration and carbon dioxide concentration detection and measurement device |
Country Status (1)
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