CN108918363A - Gas auxiliary detection device - Google Patents
Gas auxiliary detection device Download PDFInfo
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- CN108918363A CN108918363A CN201810247474.4A CN201810247474A CN108918363A CN 108918363 A CN108918363 A CN 108918363A CN 201810247474 A CN201810247474 A CN 201810247474A CN 108918363 A CN108918363 A CN 108918363A
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- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 239000011521 glass Substances 0.000 claims abstract description 40
- 239000002390 adhesive tape Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 238000007689 inspection Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 21
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 108010010803 Gelatin Proteins 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process 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
- G01N15/06—Investigating concentration of particle suspensions
-
- 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
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (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)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to technical field of safety protection, disclose a kind of gas auxiliary detection device, including bracket and cabinet, cabinet are fixed on bracket, and cabinet is equipped with inner cavity and air intake lever；Air intake lever is equipped with annular chamber, and annular chamber is equipped with air inlet, is fixed with high-pressure gas box on bracket；Inner cavity two sidewalls are equipped with baffle and air bag, and the first sprocket wheel is fixed in shaft, and the bottom of baffle is equipped with infrared lamp；Intracavity bottom is equipped with opening and detection case, and detection case is equipped with the first glass plate, is equipped with photo resistance in detection case, photo resistance is electrically connected with indicator light；Bracket is equipped with internal messing ratchet structure, internal messing ratchet mechanism includes outer ratchet, active pawl, check pawl and driving wheel, the second sprocket wheel is fixed in driving wheel, the outer ratchet outer rim is fixed with turntable, turntable is equipped with the second glass plate, second glass plate is equipped with adhesive tape, and the sticky surface of adhesive tape is towards inner cavity.The configuration of the present invention is simple can detect air without filtering particle.
Description
Technical field
The present invention relates to technical field of safety protection, and in particular to a kind of gas auxiliary detection device.
Background technique
Air is commonly called as " life gas ", we require to breathe daily.However contain not same amount in varying environment in air
Impurity.What these impurity were undoubtedly harmful to the human body, by naked eyes, we can not see, need to examine by detection device
Whether the impurity content surveyed in air is harmful to human health.
It is generally detection PM2.5 to the detection of gas, it is believed that PM2.5 is to judge the harmful standard of human body.Actually empty
The bulky grain dust in gas being more than PM2.5 is also harmful human health, and sucking excessive bulky grain dust can also cause to breathe
The disease in road, but the detection of PM2.5 can filter bulky grain dust, and can not explicitly detect containing for bulky grain in air
Amount.Therefore, detecting granule content in air can not be filtered, and will affect the detection of particle in air after filtering bulky grain.
Therefore, in order to improve the accuracy of the content of particle in detection air, a kind of gas inspection of bulky grain in only air filtering is needed
Survey device.
Summary of the invention
The purpose of the present invention is to provide a kind of gas auxiliary detection devices, contain without filtering particle to the particle in air
Amount is detected, to improve the precision of detection.
In order to achieve the above objectives, the technical scheme is that：A kind of gas auxiliary detection device, including bracket and case
Body, the cabinet are fixed on bracket, the hollow air intake lever that cabinet is equipped with inner cavity and is connected to inner cavity；The air intake lever side wall
Equipped with annular chamber, annular chamber is equipped with towards the inclined air inlet in inner cavity, is fixed with high-pressure gas box on bracket, high-pressure gas box passes through
Solenoid valve is connected to annular chamber；The inner cavity two sidewalls are equipped with baffle and the air bag below baffle, and the baffle is by turning
Axis is connect with body pivot, and the first sprocket wheel is fixed in shaft, and the air bag is connected to inner cavity, and the bottom of baffle is equipped with infrared
Lamp；The detection case that the intracavity bottom is equipped with opening and is fixed on bracket, detection case is equipped with there are gaps between opening
The first glass plate, photo resistance is equipped in detection case, photo resistance is electrically connected with indicator light；The bracket is equipped with internal messing
Ratchet structure, the internal messing ratchet mechanism include outer ratchet, active pawl, check pawl and driving wheel, the active pawl
It is each attached on driving wheel with check pawl, the second sprocket wheel is fixed in driving wheel, second sprocket wheel and the first sprocket wheel pass through
Chain connection, the outer ratchet outer rim are fixed with the turntable connecting with holder pivots, and the turntable is equipped with several close out
Mouthful the second glass plate, the second glass plate is equipped with adhesive tape, and the sticky surface of adhesive tape is towards inner cavity.
The principle of the present invention：Air intake lever, annular chamber and air inlet constitute an air amplifier, the second glass plate when initial
By the closure of openings of inner cavity.Solenoid valve is opened at regular intervals, the high pressure gas in high-pressure gas box is passed into annular chamber
It is interior, and entered from air inlet and make to form high-speed flow in air inlet pipe in air intake lever, so that outside air is by high-speed flow band
Enter into inner cavity.The sticky surface that air into inner cavity can first strike the second glass plate is adhered to particle above, later
It is entered in air bag by inner cavity.
Air bag is filled with a large amount of gas and expands, and baffle is pushed up, and air bag expansion can make to a certain extent
It obtains baffle to close the connectivity part of air intake lever and inner cavity, in this way, the gas flow for making air enter inner cavity is certain.And baffle seals
When closing the connectivity part of air intake lever and inner cavity, infrared lamp is directed towards intracavity bottom, and the light of infrared lamp is through sticky surface, the at this time
Two glass plates and the first glass plate are irradiated in photo resistance.Grain amount difference due to being adhered to sticky surface can stop certain
Light, the brightness that light is irradiated to photo resistance is different, and different changes can occur for the resistance value of photo resistance, indicates from changing
The electric current of lamp makes the brightness of indicator light change, and the content of particle can be measured according to different brightness.
During baffle is rotated up, baffle will drive the rotation of the first sprocket wheel, and the first sprocket wheel can be pulled by chain
Second sprocket wheel rotates forward, and similarly, during baffle rotates down, the second sprocket wheel can be rotated backward.And the second sprocket wheel is positive
Internal messing ratchet structure can dally when rotation, so that turntable will not rotate；Internal messing ratchet when second sprocket wheel direction rotates
Structure will drive turntable rotation, so that driven by rotary disc replaces adhesive tape.
Beneficial effects of the present invention：
1, air amplifier is constituted by air intake lever, annular chamber, air inlet, accelerates air and enters the speed in inner cavity,
And the particle in air is adhered in sticky surface by the sticky surface of air impact to adhesive tape, so that it is saturating to reach change light
The brightness of the first glass plate and the second glass plate is crossed, to achieve the purpose that detect the content of particle in air, with traditional detection
Mode is compared, and does not need to be filtered particle, and the content for avoiding particle in air lowers, to improve in detection air
The precision of granule content.
2, under the cooperation of interior mesh ratchet gear structure and the first sprocket wheel, adhesive tape can be replaced, is avoided
The reuse of gelatin band.
3, the configuration of the present invention is simple, by the cooperation of air bag and baffle so that the gasometry entered in inner cavity, avoids
Air in inner cavity is flowed with external air, to achieve the purpose that quantitative detection.
On the above base case：
Further：The controller being electrically connected with the solenoid valve is fixed on the detection case, controller can control solenoid valve to press
Period opens.Under the action of controller, can solenoid valve be opened according to the period, so that whole device
Air is detected within the period, achievees the purpose that different time sections detect.
Further：The catch bar that baffle can be pushed to rotate down is equipped in the air intake lever.Catch bar facilitates promotion baffle,
So that two baffles rotate down, to generate gap the air in inner cavity and air bag is run out of.
Further：The baffle top is equipped with drainage trough.It is drained, while ought had by air of the drainage trough to entrance
When particle is adhered on baffle, also facilitate gas that the particle on baffle is blown into inner cavity.
Further：The sticky surface is equipped with oleophobic paper.Oleophobic paper can protect viscous glutinous layer, and viscous glutinous layer is avoided to adhere to other
Impurity.
Further：Second glass plate is adjacent to cabinet.When turntable is rotated with the second glass plate, oleophobic paper can subtract
The friction of small adhesive tape and cabinet, and oleophobic paper can also be scraped under the action of cabinet is close to the second glass, so that
Sticky surface is spilt.
Detailed description of the invention
Fig. 1 is gas auxiliary detection device embodiment overall structure figure；
Fig. 2 is the structural schematic diagram of embodiment internal messing ratchet mechanism.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments：
Appended drawing reference in Figure of description includes：Cabinet 1, air intake lever 2, annular chamber 3, air inlet 4, the second glass plate 5,
Inner cavity 6, chain 7, turntable 8, photo resistance 9, detection case 10, air bag 11, infrared lamp 12, baffle 13, outer ratchet 14, active pawl
15, driving wheel 16, check pawl 17, the second sprocket wheel 18, controller 19, high-pressure gas box 20, the first sprocket wheel 21, gap 22.
Embodiment：
As shown in Fig. 1, a kind of gas auxiliary detection device, including bracket and cabinet 1, cabinet 1 are solid by fastening bolt
It is scheduled on bracket, the hollow air intake lever 2 that cabinet 1 is equipped with inner cavity 6 and is connected to inner cavity 6.
Air intake lever 2 is located at the top of cabinet 1, and 2 side wall of air intake lever is equipped with annular chamber 3, and 3 inner sidewall of annular chamber is equipped with and is tilted towards
The lower air inlet 4 towards inner cavity 6, high-pressure gas box 20 is fixed on bracket, and high-pressure gas box 20 is connected by solenoid valve and annular chamber 3
Logical, air intake lever 2, annular chamber 3 and air inlet 4 constitute an air amplifier, are passed through high pressure gas into annular chamber 3, and from into
Port 4 runs out of the flowing velocity that can accelerate air.6 two sidewalls of inner cavity are equipped with baffle 13 and the air bag 11 positioned at 13 lower section of baffle,
One end of baffle 13 is rotatablely connected by shaft and cabinet 1, is fixed with the first sprocket wheel 21, the length phase of two block baffles 13 in shaft
Add the length for being equal to cabinet 1 and two block baffles 13 can close cabinet 1.Air bag 11 is connected to inner cavity 6 by tracheae, baffle 13
Bottom is equipped with infrared lamp 12.When air bag 11 expands, air bag 11 will push baffle 13 and be rotated up, and baffle 13 will drive shaft
The bottom for being rotated with the first sprocket wheel 21 and infrared lamp 12 being made to be directed at inner cavity 6.6 bottom of inner cavity is equipped with opening and is fixed on bracket
On detection case 10, be fixed with and be open on detection case 10 between there are first glass plate in gap 22, it is fixed in detection case 10
There is photo resistance 9, indicator light is fixed with outside detection case 10, the input terminal of indicator light is electrically connected with the output end of photo resistance 9,
The output end of power supply is electrically connected with photo resistance 9, and the input terminal of power supply is electrically connected with the output end of indicator light.Photo resistance 9 by
Intensity to light is different, and resistance value can change to change the brightness of indicator light.
As shown in Figure 1 and Figure 2, bracket is equipped with internal messing ratchet structure, and internal messing ratchet structure includes outer ratchet
14, active pawl 15, check pawl 17 and driving wheel 16, active pawl 15 and check pawl 17 are each attached on driving wheel 16,
The second sprocket wheel 18 is fixed in driving wheel 16, the first sprocket wheel 21 is equipped with chain 7, and chain 7 is set in the first sprocket wheel 21 and second
18 periphery of sprocket wheel, the first sprocket wheel 21 drive the rotation of the second sprocket wheel 18 by chain 7.Outer 14 outer rim of ratchet is fixed with and holder pivots
The turntable 8 of connection is equipped with tightener sprocket, when the first sprocket wheel 21 is under the rotation of shaft between the first sprocket wheel 21 and the second sprocket wheel 18
It is able to drive chain 7, the rotation of the second sprocket wheel 18 is driven by chain 7, the second sprocket wheel 18 will drive driving wheel 16 when rotating forward
Rotation, and active pawl 15 and check pawl 17 not will push outer ratchet 14 and rotate, driving wheel 16 and outer ratchet 14 dally.Second
Sprocket wheel 18 will drive the rotation of driving wheel 16 when rotating backward, active pawl 15 and check pawl 17 push outer ratchet 14 to rotate, from
And driving wheel 16 drives outer ratchet 14 to rotate.To which outer ratchet 14 drives turntable 8.Several second glass plates are fixed on turntable 8
5, turntable 8 can drive the second glass plate 5 to extend into closure of openings, the first glass plate and the second glass in gap 22 in rotation
Plate 5 is ultra-clear glasses.Second glass plate 5 is equipped with adhesive tape, and the sticky surface of adhesive tape is towards inner cavity 6.
It can be opened according to the period to control solenoid valve, solenoid valve is electrically connected with the control being fixed on detection case 10
Device 19,19 model AHC15A of controller.The gas of inner cavity 6 is released for convenience, slidably connecting in air intake lever 2 can push away
The catch bar that dynamic baffle 13 rotates down, and the drainage trough to gas drainage is additionally provided on baffle 13.
In order to protect sticky surface, be equipped with oleophobic paper in sticky surface, and in order to by oleophobic paper wipe off the second glass plate 5 with
Cabinet 1 is close to.During the second glass plate 5 is rotated with turntable 8, oleophobic paper can not only reduce the second glass plate 5 with
The friction of cabinet 1, additionally it is possible to the viscosity of sticky surface be avoided to weaken.
Specific implementation process is as follows：
When initial, the second glass plate 5 seals opening, open instruction lamp and infrared lamp 12.Controller 19 was every 10 minutes
Solenoid valve opening can be controlled, the high pressure gas in high-pressure gas box 20 can be passed into annular chamber 3 by the solenoid valve of opening, high pressure gas
Know from experience and is entered in air intake lever 2 by air inlet 4 and external air is driven to enter in inner cavity 6 by air intake lever 2.Into
The sticky surface of bottom can be first struck to the gas in inner cavity 6, sticky surface can adhere to the particle in air, the air meeting of flowing
It enters in air bag 11 and air bag 11 is expanded.Air bag 11, which expands, can push up baffle 13 and make baffle 13 upward
Rotation, baffle 13, which is rotated up, to close the connectivity part of air intake lever 2 and inner cavity 6, so that external air is stopped by baffle 13
It can not enter back into inner cavity 6, so that into the gasometry of inner cavity 6.
At this point, the infrared lamp 12 of the lower part of baffle 13 is directed to sticky surface.Infrared lamp 12 is opened, the light of infrared lamp 12
It is irradiated in photo resistance 9 through adhesive tape, the first glass plate and the second glass plate 5.Since air can be adhered in sticky surface
In particle, particle can stop the irradiation of light.Due to the blocking of particle, infrared lamp 12 is irradiated to the intensity in photo resistance 9 not
Together, the intensity difference that photo resistance 9 receives light can generate different resistance values, and different resistance values can to flow to indicator light
Size of current is different, so that the brightness of indicator light is different.9 resistance value of photo resistance is bigger to illustrate that intensity of illumination is bigger, then glues
The particle for being attached to sticky surface is fewer, and granule content is then fewer in air；The resistance value of photo resistance 9 is smaller to illustrate that intensity of illumination is got over
Small, then the particle for being adhered to sticky surface is more, and granule content is then more in air.
During baffle 13 is rotated up, baffle 13 also will drive shaft and the first sprocket wheel 21 is rotated, thus
First sprocket wheel 21 can drive the second sprocket wheel 18 to rotate forward by chain 7, and the second sprocket wheel 18 rotates forward meeting so that driving disc spacing pressing exists
It dallies under the action of active pawl 15 and check pawl 17 with outer ratchet 14, so that outer ratchet 14 not will drive 8 turns of turntable
It is dynamic.When needing to deflate to the gas in inner cavity 6, catch bar is pushed down on, is rotated down so that catch bar will push baffle 13,
Baffle 13, which rotates down, will drive shaft and the first sprocket wheel 21 rotates backward, so that the first sprocket wheel 21 can drive the by chain 7
Two sprocket wheels 18 rotate backward, and driving disc spacing pressing will drive outer ratchet 14 and rotate under the action of active pawl 15 and check pawl 17, from
And make outer ratchet 14 that turntable 8 be driven to be rotated.The turntable 8 of rotation can take away the second glass plate 5 of sealed opening, and will
Another piece of the second glass plate 5 on turntable 8 seals opening.Due to being glued in the sticky surface of the adhesive tape on the second glass plate 5
With many particles, it will affect the particle detections in second of air, therefore come to saturating by way of replacing the second glass plate 5
Gelatin band is replaced.It is close to when being rotated under the action of the second glass plate 5 is in turntable 8 with cabinet 1, and in the effect of oleophobic paper
Under, the frictional force between the second glass plate 5 and cabinet 1 can reduce, and second glass plate 5 rotates simultaneously under the action of cabinet 1
And when sealed opening, oleophobic paper can be wiped off by cabinet 1.
The above are merely the preferred embodiment of the present invention, it is noted that for those skilled in the art, not
Under the premise of being detached from present inventive concept, several modifications and improvements can also be made, these also should be considered as protection model of the invention
It encloses, these all will not influence the effect and patent practicability that the present invention is implemented.The present invention omit describe technology, shape,
Construction portion is well-known technique.
Claims (6)
1. a kind of gas auxiliary detection device, which is characterized in that including bracket and cabinet, the cabinet is fixed on bracket, case
The hollow air intake lever that body is equipped with inner cavity and is connected to inner cavity；
The air intake lever side wall is equipped with annular chamber, and annular chamber is equipped with towards the inclined air inlet in inner cavity, is fixed with height on bracket
Blow case, high-pressure gas box are connected to by solenoid valve with annular chamber；
The inner cavity two sidewalls are equipped with baffle and the air bag below baffle, and the baffle is connected by shaft and body pivot
It connects, the first sprocket wheel is fixed in shaft, the air bag is connected to inner cavity, and the bottom of baffle is equipped with infrared lamp；The intracavity bottom
Equipped with the detection case for being open and being fixed on bracket, detection case is equipped with there are first glass plate in gap, inspections between opening
Photo resistance is equipped in measuring tank, photo resistance is electrically connected with indicator light；
The bracket is equipped with internal messing ratchet structure, and the internal messing ratchet mechanism includes outer ratchet, active pawl, non-return spine
Pawl and driving wheel, the active pawl and check pawl are each attached on driving wheel, and the second sprocket wheel is fixed in driving wheel, described
Second sprocket wheel and the first sprocket wheel are connected by chain, and the outer ratchet outer rim is fixed with the turntable connecting with holder pivots, described
Turntable is equipped with several the second glass plates for closing opening, and the second glass plate is equipped with adhesive tape, and the viscous of adhesive tape sticks
Facing towards inner cavity.
2. gas auxiliary detection device according to claim 1, which is characterized in that be fixed on the detection case and electromagnetism
The controller of valve electrical connection, controller can control solenoid valve to open according to the time period.
3. gas auxiliary detection device according to claim 2, which is characterized in that gear can be pushed by being equipped in the air intake lever
The catch bar that plate rotates down.
4. gas auxiliary detection device according to claim 3, which is characterized in that the baffle top is equipped with drainage trough.
5. gas auxiliary detection device according to claim 4, which is characterized in that the sticky surface is equipped with oleophobic paper.
6. gas auxiliary detection device according to claim 5, which is characterized in that second glass plate and cabinet paste
Tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810247474.4A CN108918363B (en) | 2018-03-23 | 2018-03-23 | Gas auxiliary detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810247474.4A CN108918363B (en) | 2018-03-23 | 2018-03-23 | Gas auxiliary detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108918363A true CN108918363A (en) | 2018-11-30 |
| CN108918363B CN108918363B (en) | 2020-06-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810247474.4A Active CN108918363B (en) | 2018-03-23 | 2018-03-23 | Gas auxiliary detection device |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121607A (en) * | 2020-09-15 | 2020-12-25 | 南京将犀网络科技有限公司 | Use environmental protection type industrial waste gas treatment auxiliary device of thing networking engineering |
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