CN112394059A - Gas detection device based on gas detection pipe information identification - Google Patents
Gas detection device based on gas detection pipe information identification Download PDFInfo
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- CN112394059A CN112394059A CN202011271377.2A CN202011271377A CN112394059A CN 112394059 A CN112394059 A CN 112394059A CN 202011271377 A CN202011271377 A CN 202011271377A CN 112394059 A CN112394059 A CN 112394059A
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- 238000001514 detection method Methods 0.000 title claims abstract description 98
- 238000012360 testing method Methods 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 79
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
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- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
Abstract
The invention relates to the technical field of gas detection, and discloses a gas detection device based on gas detection tube information identification. The gas detection device can detect a plurality of groups of gases simultaneously, so that the accuracy of detection data can be improved, and the gases entering the gas detection tube are fully mixed with the detection agent in the gas detection tube by moving the movable plate on the workbench, so that the detection efficiency can be improved.
Description
Technical Field
The invention relates to the technical field of gas detection, in particular to a gas detection device based on information identification of a gas detection tube.
Background
The gas detecting tube is a tool for quickly detecting the concentration of harmful gas in air, and is characterized by that a certain quantity of detecting agent is filled in a thin glass tube, and fixed by using material, and both ends are heated, melted and sealed, and the detecting agent generally uses silica gel and glass granules as carrier, in which the detecting agent is a substance which can make chemical reaction with the substance to be detected and can change colour and can adsorb some chemical reagent on the surface of solid carrier granules, and the selection of chemical reagent and its chemical ratio on the carrier can define the substance composition and measuring range of the detecting tube, and the heart of the detecting tube is used for loading indicator powder in the glass tube.
However, at present when detecting gas, can't be quick carry out simultaneous detection to multiunit gas for the data that detect are less, reduce the accuracy that detects, and gas is when gas detection intraduct simultaneously, can't be quick mix with the inside detection agent of gas detection intraduct, reduce its detection efficiency, and gas detection time measuring can't be quick compare the data that detect, make the staff degree of difficulty great. Accordingly, those skilled in the art have provided a gas detection apparatus based on the identification of the information of the gas detection tube to solve the above-mentioned problems in the background art.
Disclosure of Invention
The present invention is directed to a gas detection device based on information identification of a gas detection tube, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a gas detection device based on gas detection tube information identification comprises a workbench, wherein a movable plate is slidably mounted on the upper surface of the workbench, a control box is mounted on one side, located on the movable plate, of the upper surface of the workbench, a storage cabinet is arranged on one side of the control box, a display panel is connected to the upper surface of the control box in a clamping mode, first electric telescopic rods are arranged on the front side and the rear side of the movable plate on the upper surface of the workbench, mounting plates are mounted at the middle positions of the front surface and the rear surface of the movable plate, placing plates are symmetrically mounted on the upper surface of the movable plate, placing grooves are formed in the upper surface of the placing plates, gas detection tubes are placed inside the placing grooves, limiting plates are arranged on the upper surface of the placing plates, fixed plates are fixedly connected to one side of the placing plates, and connecting plates are respectively arranged on the upper surfaces of the fixed plates, the upper surface of the connecting plate is provided with a second electric telescopic rod, the telescopic end of the second electric telescopic rod is connected with a test board, and the lower surface of the test board is provided with a collection box.
As a still further scheme of the invention: the front surface of the display panel is provided with a display screen, a voice port is formed in one side, located on the display screen, of the front surface of the display panel, an alarm is arranged on one side, located on the voice port, of the front surface of the display panel, a clamping pin is fixedly connected to the lower surface of the display panel, and a clamping groove mutually clamped with the clamping pin is formed in the upper surface of the control box.
As a still further scheme of the invention: the inside of control box is provided with main control unit, the inside of pronunciation mouth is provided with pronunciation broadcast module, the inside alarm module that is provided with, be provided with display module in the display screen, the inside of display panel is provided with the colour contrast module, the inside of collection box is provided with the colour and gathers the sensor.
As a still further scheme of the invention: the output end of the main controller is connected with a voice playing module, a display module and an alarm module, and the input end of the main controller is connected with a color comparison module connected with the output end of a color acquisition sensor.
As a still further scheme of the invention: at least four stoppers are installed to the lower surface equidistance of limiting plate, the lower surface of stopper is provided with the protection pad, the lower surface of limiting plate is provided with the spring, the upper surface of placing the board has seted up the fixed slot, the one end of spring runs through the internally mounted of fixed slot on the inside surface of fixed slot.
As a still further scheme of the invention: the protection pad is 2mm thick rubber material, and the lower surface of protection pad is provided with rubber antiskid bump, the spring is provided with two at the lower surface symmetry of limiting plate.
As a still further scheme of the invention: the lower surface rigid coupling of surveying the board has the head rod, the slider is installed to the bottom of head rod, the inside of fixed plate is seted up the first spout that matches each other with the slider.
As a still further scheme of the invention: the slider is "T" type setting with the head rod, and slider and head rod are stainless steel material, the fixed plate is "L" type setting, the slider is provided with two sets ofly in the below symmetry of surveying the test panel.
As a still further scheme of the invention: the lower surface rigid coupling of movable plate has the second connecting rod, the lower extreme of second connecting rod is installed and is removed the seat, the inside of removing the seat is rotated and is installed the gyro wheel, the upper surface of workstation is seted up with the rolling second spout of gyro wheel.
As a still further scheme of the invention: the movable base is provided with a movable plate, the movable plate is provided with four rollers in pairwise symmetry below the movable plate, and rotating shafts which rotate with the rollers are arranged inside the movable base.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the plurality of placing grooves formed in the placing plate, a plurality of groups of gases can be simultaneously detected, so that the accuracy of detection data can be improved, meanwhile, through the arrangement of the limiting plate, the placed gas detection tube can be effectively fixed, the gas detection tube can be prevented from moving when in use, the detection effect of the gas detection tube can be prevented from being influenced, and the moving plate can be pushed to move on the workbench under the action of the first electric telescopic rod, so that the gas entering the gas detection tube is fully mixed with the detection agent in the gas detection tube, the detection efficiency of the gas detection tube can be improved, the operation is simple, and the use of workers is facilitated; simultaneously through second electric telescopic handle's effect, can make the promotion survey test panel slide, thereby make survey the collection box that the panel below set up and to carry out the colour to gas detection pipe and gather and transmit to the display panel in, thereby contrast the concentration that reachs the colour with colour contrast module can be quick, the staff that can be convenient for is quick detects its gas, be provided with baroceptor in gas detection pipe's outside simultaneously, can the inside gas of effectual monitoring gas detection pipe, prevent that atmospheric pressure from too big gas detection pipe that leads to takes place to explode and split, cause the loss.
Drawings
FIG. 1 is a schematic structural diagram of a gas detection device based on information identification of a gas detection tube;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a schematic view of a connection structure of a slider and a first chute in a gas detection device based on information identification of a gas detection tube;
FIG. 5 is a schematic structural diagram of a roller in a gas detection device based on information identification of a gas detection tube;
fig. 6 is a flowchart illustrating the operation of the main controller in the gas detecting apparatus based on the information identification of the gas detecting pipe.
In the figure: 1. placing the plate; 2. a placement groove; 3. a gas detection tube; 4. a control box; 5. a limiting plate; 6. a fixing plate; 7. a display panel; 8. a speech port; 9. a storage cabinet; 10. a work table; 11. mounting a plate; 12. a first electric telescopic rod; 13. moving the plate; 14. a test board; 15. fixing grooves; 16. a limiting block; 17. a protective pad; 18. a second electric telescopic rod; 19. a connecting plate; 20. a collection box; 21. a first connecting rod; 22. a slider; 23. a first chute; 24. a second connecting rod; 25. a movable seat; 26. a second chute; 27. and a roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a gas detection device based on information recognition of a gas detection tube includes a workbench 10, a movable plate 13 is slidably installed on an upper surface of the workbench 10, first electric telescopic rods 12 are respectively disposed on the upper surface of the workbench 10 in front of and behind the movable plate 13, mounting plates 11 are respectively installed on middle positions of a front surface and a rear surface of the movable plate 13, a second connecting rod 24 is fixedly connected to a lower surface of the movable plate 13, a movable base 25 is installed at a lower end of the second connecting rod 24, rollers 27 are rotatably installed inside the movable base 25, a second sliding slot 26 rolling with the rollers 27 is formed on the upper surface of the workbench 10, four rollers 27 are symmetrically disposed below the movable plate 13 in pairs, a rotating shaft rotating with the rollers 27 is disposed inside the movable base 25, and the movable plate 13 can be pushed to move on the workbench 10 under the action of the first electric telescopic rods 12, thereby make the gas that enters into gas detection pipe 3 inside rather than the abundant mixture of inside detection agent for can improve its efficiency that detects, its easy operation, the staff's of being convenient for use.
In fig. 1 and 6: the upper surface of the workbench 10 is provided with a control box 4 at one side of a movable plate 13, one side of the control box 4 is provided with a storage cabinet 9, the upper surface of the control box 4 is connected with a display plate 7 in a clamping manner, the front surface of the display plate 7 is provided with a display screen, one side of the display screen at the front surface of the display plate 7 is provided with a voice port 8, the front surface of the display plate 7 is provided with an alarm at one side of the voice port 8, the lower surface of the display plate 7 is fixedly connected with a clamping pin, the upper surface of the control box 4 is provided with a clamping groove mutually clamped with the clamping pin, the control box 4 is internally provided with a main controller, the voice port 8 is internally provided with a voice playing module, the alarm is internally provided with an alarm module, the display screen is internally provided with a display module, the display plate 7 is internally provided with a color, Display module and alarm module, and main control unit's input is connected with the colour contrast module that colour collection sensor output is connected, effect through second electric telescopic handle 18, can make the promotion survey test panel 14 slide, thereby make survey test panel 14 below collection box 20 that sets up can carry out colour collection and transmit to display panel 7 to gas detection pipe 3, thereby contrast the concentration that reachs the colour that can be quick with colour contrast module, can be convenient for the staff is quick detect its gas, be provided with baroceptor in gas detection pipe 3's outside simultaneously, can be effectual the inside gas of monitoring gas detection pipe 3, prevent that atmospheric pressure from leading to gas detection pipe 3 too big and taking place to explode and split, cause the loss.
In fig. 1 and 2: the upper surface of the movable plate 13 is symmetrically provided with a placing plate 1, the upper surface of the placing plate 1 is provided with a placing groove 2, a gas detection tube 3 is placed in the placing groove 2, the upper surface of the placing plate 1 is provided with a limiting plate 5, the lower surface of the limiting plate 5 is equidistantly provided with at least four limiting blocks 16, the lower surface of each limiting block 16 is provided with a protective pad 17, the lower surface of each limiting plate 5 is provided with a spring, the upper surface of the placing plate 1 is provided with a fixing groove 15, one end of each spring penetrates through the inside of the fixing groove 15 and is arranged on the surface inside the fixing groove 15, each protective pad 17 is made of rubber materials with the thickness of 2mm, the lower surface of each protective pad 17 is provided with rubber anti-skid convex points, and the springs are symmetrically arranged on the lower surface of the limiting plate 5, simultaneously, the gas detection tube 3 after being placed can be effectively fixed by the arrangement of the limiting plate 5, and the gas detection tube 3 can be prevented from moving when being used and affecting the detection effect.
In fig. 3 and 4: one side of the placing plate 1 is fixedly connected with a fixing plate 6, the upper surface of the fixing plate 6 is respectively provided with a connecting plate 19 from front to back, the upper surface of the connecting plate 19 is provided with a second electric telescopic rod 18, the telescopic end of the second electric telescopic rod 18 is connected with a testing plate 14, the lower surface of the testing plate 14 is provided with a collecting box 20, the lower surface of the testing plate 14 is fixedly connected with a first connecting rod 21, the bottom of the first connecting rod 21 is provided with a slide block 22, the fixing plate 6 is provided with a first chute 23 matched with the slide block 22, the slide block 22 and the first connecting rod 21 are arranged in a T shape, the slide block 22 and the first connecting rod 21 are made of stainless steel materials, the fixing plate 6 is arranged in an L shape, the slide blocks 22 are symmetrically arranged below the testing plate 14 in two groups, the arrangement can facilitate the testing plate 14 to slide on the upper surface of the fixing plate 6, the gas detection tube 3 of different types can be detected, and the working efficiency is effectively accelerated.
The working principle of the invention is as follows: when the gas detection tube is used, the limiting plate 5 is lifted upwards, so that a spring connected below the limiting plate 5 is deformed by tensile force, the gas detection tube 3 is placed inside the placing groove 2 formed in the upper surface of the placing plate 1, after the placing, the spring is deformed again by releasing the limiting plate 5, the lower surface of the limiting plate 5 is provided with a limiting block 16, the lower surface of the limiting block 16 is provided with a protective pad 17, so that the protective pad 17 arranged at the lower end of the limiting block 16 is contacted with the surface of the gas detection tube 3 and tightly pressed after the limiting plate 5 is released, the gas detection tube 3 is limited and fixed, the gas detection tube 3 can be prevented from moving when in use, the detection effect of the gas detection tube is influenced, after the gas detection tube 3 is fixed, the mounting plate 11 horizontally moves on the workbench 10 through the work of the first electric telescopic rod 12, thereby drive the movable plate 13 to move on the workbench 10, the bottom of the movable plate 13 is provided with the second connecting rod 24 and the lower end of the second connecting rod 24 is provided with the moving seat 25, the inside of the moving seat 25 is rotated by the rotating shaft to be provided with the roller 27, when the movable plate 13 moves, the roller 27 rolls in the second sliding groove 26, thereby the movable plate 13 moves on the workbench 10, the gas in the fixed gas detection tube 3 can be mixed in a certain amount, the detection efficiency can be improved, the operation is simple, the use of workers is convenient, after the mixing, the first electric telescopic rod 12 stops working, and the second electric telescopic rod 18 on the connecting plate 19 works, so that the test plate 14 connected with the telescopic end of the second electric telescopic rod 18 moves on the fixed plate 6, namely, the bottom of the test plate 14 slides in the first sliding groove 23 arranged on the upper surface of the fixed plate 6 through the sliding block 22 connected with the first connecting rod 21 Make survey surface plate 14 under surface mounting's collection box 20 and gather the colour in the gas detection pipe 3, and transmit to the display screen that 7 front surfaces of display panel set up, be provided with colour contrast module in display panel 7, make the colour of collection contrast with colour contrast module, thereby can be on the display screen clear observe the contrast condition of colour, be convenient for staff's understanding is observed, also can play information through pronunciation mouth 8 simultaneously, outside at gas detection pipe 3 is provided with baroceptor, can the inside gas of effectual monitoring gas detection pipe 3, prevent that atmospheric pressure is too big to lead to gas detection pipe 3 to take place to explode and split, cause the loss, simultaneously if atmospheric pressure is too big then main control unit control alarm reports to the police, make things convenient for staff's timely processing.
It should be noted that: the model of the color acquisition sensor is TCS3200D-TR, the model of the color comparison module is KJT-CT2035KC, the model of the air pressure sensor is BME680, and the models of the first electric telescopic rod 12 and the second electric telescopic rod 18 are XTL 100.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The gas detection device based on the information identification of the gas detection tube comprises a workbench (10) and is characterized in that a movable plate (13) is slidably mounted on the upper surface of the workbench (10), a control box (4) is mounted on one side, located on the movable plate (13), of the upper surface of the workbench (10), a storage cabinet (9) is arranged on one side of the control box (4), a display panel (7) is connected to the upper surface of the control box (4) in a clamping mode, first electric telescopic rods (12) are arranged on the front side and the rear side, located on the front side and the rear side of the movable plate (13), of the upper surface of the movable plate (13), mounting plates (11) are mounted at the middle positions of the front surface and the rear surface of the movable plate (13), the placing plate (1) is symmetrically mounted on the upper surface of the moving plate (13), a placing groove (2) is formed in the upper surface of the placing groove (1), and the gas detection tube (3), the upper surface of placing board (1) is provided with limiting plate (5), one side rigid coupling of placing board (1) has fixed plate (6), the upper surface of fixed plate (6) is provided with connecting plate (19) from the front respectively to the back, the last surface mounting of connecting plate (19) has second electric telescopic handle (18), the flexible end of second electric telescopic handle (18) is connected with surveys test panel (14), the lower surface mounting who surveys test panel (14) has collection box (20).
2. The gas detection device based on the information identification of the gas detection tube according to claim 1, wherein a display screen is arranged on the front surface of the display panel (7), a voice port (8) is formed in one side, located on the display screen, of the front surface of the display panel (7), an alarm is arranged on one side, located on the voice port (8), of the front surface of the display panel (7), a bayonet lock is fixedly connected to the lower surface of the display panel (7), and a clamping groove mutually clamped with the bayonet lock is formed in the upper surface of the control box (4).
3. The gas detection device based on gas detection tube information identification as claimed in claim 2, wherein a main controller is arranged inside the control box (4), a voice playing module is arranged inside the voice port (8), an alarm module is arranged inside the alarm, a display module is arranged inside the display screen, a color comparison module is arranged inside the display panel (7), and a color collecting sensor is arranged inside the collecting box (20).
4. The gas detection device based on the information identification of the gas detection pipe as claimed in claim 3, wherein the output end of the main controller is connected with a voice playing module, a display module and an alarm module, and the input end of the main controller is connected with a color comparison module connected with the output end of the color acquisition sensor.
5. The gas detection device based on gas detection pipe information identification as claimed in claim 1, wherein at least four limiting blocks (16) are equidistantly installed on the lower surface of the limiting plate (5), a protective pad (17) is arranged on the lower surface of each limiting block (16), a spring is arranged on the lower surface of the limiting plate (5), a fixing groove (15) is formed in the upper surface of the placing plate (1), and one end of the spring penetrates through the inside of the fixing groove (15) and is installed on the surface inside the fixing groove (15).
6. The gas detection device based on gas detection pipe information identification of claim 5, characterized in that, protection pad (17) is 2mm thick rubber material, and the lower surface of protection pad (17) is provided with the antiskid bump of rubber, the spring is provided with two in the lower surface symmetry of limiting plate (5).
7. The gas detection device based on the information identification of the gas detection tube according to claim 1, wherein a first connecting rod (21) is fixedly connected to the lower surface of the test board (14), a sliding block (22) is installed at the bottom of the first connecting rod (21), and a first sliding groove (23) matched with the sliding block (22) is formed inside the fixing plate (6).
8. The gas detection device based on the information identification of the gas detection pipe as claimed in claim 7, wherein the slider (22) and the first connecting rod (21) are arranged in a "T" shape, the slider (22) and the first connecting rod (21) are made of stainless steel, the fixing plate (6) is arranged in an "L" shape, and the sliders (22) are symmetrically arranged in two groups below the test plate (14).
9. The gas detection device based on the information identification of the gas detection tube according to claim 1, wherein a second connecting rod (24) is fixedly connected to a lower surface of the moving plate (13), a moving seat (25) is installed at a lower end of the second connecting rod (24), a roller (27) is rotatably installed inside the moving seat (25), and a second sliding groove (26) which rolls with the roller (27) is formed in an upper surface of the workbench (10).
10. The gas detection device based on the information identification of the gas detection tube as claimed in claim 9, wherein the rollers (27) are symmetrically arranged in pairs at four positions below the moving plate (13), and a rotating shaft rotating with the rollers (27) is arranged inside the moving seat (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271377.2A CN112394059B (en) | 2020-11-13 | Gas detection device based on gas detection tube information identification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271377.2A CN112394059B (en) | 2020-11-13 | Gas detection device based on gas detection tube information identification |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112394059A true CN112394059A (en) | 2021-02-23 |
| CN112394059B CN112394059B (en) | 2024-05-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113061A (en) * | 2021-12-16 | 2022-03-01 | 凯盛光伏材料有限公司 | Disc type gas detection device |
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