CN109342124A - A kind of gas sampling detection device for laboratory - Google Patents
A kind of gas sampling detection device for laboratory Download PDFInfo
- Publication number
- CN109342124A CN109342124A CN201811498985.XA CN201811498985A CN109342124A CN 109342124 A CN109342124 A CN 109342124A CN 201811498985 A CN201811498985 A CN 201811498985A CN 109342124 A CN109342124 A CN 109342124A
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- cylinder
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- plug
- sealing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of gas sampling detection devices for laboratory, including detecting cylinder, detection cylinder one end bottom is provided with fixed cylinder, the detection cylinder bottom surface is provided with the first connecting cylinder, the fixed cylinder top surface is provided with the second connecting cylinder, sealing ring is provided between first connecting cylinder bottom and fixed cylinder surface, the fixed cylinder bottom is provided with air inlet pipe, the fixed cylinder is internally provided with sealing-plug, it is provided with push rod at the top of the sealing-plug, the push rod surface is provided with spring.The present invention pushes sealing-plug by setting spring, fixed cylinder bottom inflow pipe is subjected to plug for seal using sealing-plug, when carrying out gas detection, it is moved using pull rod pulling activity cylinder in detection cylinder, drives piston motion, pull push rod using connecting line, sealing-plug is driven to rise, gas to be detected is drawn into detection cylinder, is beneficial to prevent in sample gas detection process and is contaminated, and detection accuracy is improved.
Description
Technical field
The present invention relates to gas detection technology field, in particular to a kind of gas sampling detection device for laboratory.
Background technique
The gas that can be generated in the lab to test detects, the most structure function of current gas collecting detection device
Can be single, during the gas sample that will be collected injects other equipment, inevitable meeting polluted gas sample, sampling detector for multifunctional
After the sampling and detection work for completing a sample gas, needs to clean in device, just can be carried out next part of sample
Detection, cleaning process it is relatively complicated, seriously affect test efficiency.
Therefore, it is necessary to solve the above problems to invent a kind of gas sampling detection device for laboratory.
Summary of the invention
The purpose of the present invention is to provide a kind of gas sampling detection devices for laboratory, by inside fixed cylinder
Sealing-plug is set, is moved in detection cylinder using movable cylinder, is driven connecting line to pull push rod, drive sealing-plug compressed spring, to
It detects in inflator sucking detection cylinder, cooperation electrochemical sensor is detected, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of gas sampling for laboratory detects dress
It sets, including detection cylinder, detection cylinder one end bottom are provided with fixed cylinder, the detection cylinder bottom surface is provided with the first connection
Cylinder, the fixed cylinder top surface are provided with the second connecting cylinder, are arranged between first connecting cylinder bottom and fixed cylinder surface
There is sealing ring, the fixed cylinder bottom is provided with air inlet pipe, and the fixed cylinder is internally provided with sealing-plug, the sealing-plug top
It is provided with push rod, the push rod surface is provided with spring, and the detection cylinder is internally provided with movable cylinder, and described activity cylinder one end is set
It is equipped with pull rod, activity another end surfaces of cylinder are provided with piston, are provided with connecting line between the activity cylinder and push rod, described
Detection cylinder is internally provided with guide rod, and detection cylinder inner wall bottom is provided with mounting base, and the mounting base is internally provided with electrification
Sensor is learned, described detection cylinder one end is internally provided with fan, and the detection cylinder other end top surface is provided with gas outlet.
Preferably, described detection cylinder one end is provided with handle, and the grip surface is provided with non-skid rubber ring, the skid-proof rubber
Circle is socketed with handle.
Preferably, first connecting cylinder is threadedly coupled with the second connecting cylinder, and the sealing ring and the second connecting cylinder are socketed.
Preferably, the sealing-plug is flexibly connected with fixed cylinder, and the spring and push rod are socketed.
Preferably, the movable cylinder and detection cylinder socket, the piston are flexibly connected with detection cylinder.
Preferably, the mounting base is threadedly coupled with electrochemical sensor, and the electrochemical sensor and movable cylinder are socketed.
Technical effect and advantage of the invention:
(1) present invention pushes sealing-plug by setting spring, is blocked fixed cylinder bottom inflow pipe using sealing-plug
Sealing is moved in detection cylinder using pull rod pulling activity cylinder when carrying out gas detection, drives piston motion, utilize connection
Line pulls push rod, and sealing-plug is driven to rise, compressed spring, and gas to be detected is drawn into detection cylinder, utilizes the electricity in detection cylinder
Chemical sensor detect to gas, is beneficial to prevent in sample gas detection process and is contaminated, and improves detection essence
Degree；
(2) present invention is by setting fan, and after a kind of detection of sample gas, piston is drawn to gas outlet side,
Allow to detect the gas in cylinder to be discharged from gas outlet, drives gas quickly to move using fan, previous sample gas is complete
After full discharge, sealing-plug reduction is pushed by spring, pulls connecting line, the reduction of drive activity cylinder, by electrochemical sensor with
The threaded connection of mounting base is arranged, and is convenient for changing electrochemical sensor, is conducive to the rapid cleaning of device, substantially increases cleaning
Efficiency facilitates the detection for carrying out lower a sample.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the side elevational cross-section structural schematic diagram of present invention detection cylinder；
Fig. 3 is the portion the A structural schematic diagram of Fig. 1 of the present invention；
In figure: 1 detection cylinder, 2 fixed cylinders, 3 first connecting cylinders, 4 second connecting cylinders, 5 sealing rings, 6 air inlet pipe, 7 sealings
Plug, 8 push rods, 9 springs, 10 movable cylinders, 11 pull rods, 12 pistons, 13 connecting lines, 14 guide rods, 15 mounting bases, 16 electrochemical sensings
Device, 17 fans, 18 gas outlets, 19 handles, 20 non-skid rubber rings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of gas sampling detection devices for laboratory as shown in Figs. 1-3, including detection cylinder
1,1 one end bottom of detection cylinder is provided with fixed cylinder 2, and 1 bottom surface of detection cylinder is provided with the first connecting cylinder 3, described
2 top surface of fixed cylinder is provided with the second connecting cylinder 4, is provided between 3 bottom of the first connecting cylinder and 2 surface of fixed cylinder close
Seal 5,2 bottom of fixed cylinder are provided with air inlet pipe 6, and the fixed cylinder 2 is internally provided with sealing-plug 7, and the sealing-plug 7 pushes up
Portion is provided with push rod 8, and 8 surface of push rod is provided with spring 9, and the detection cylinder 1 is internally provided with movable cylinder 10, the work
Dynamic 10 one end of cylinder is provided with pull rod 11, and the activity another end surfaces of cylinder 10 are provided with piston 12, the activity cylinder 10 and push rod 8
Between be provided with connecting line 13, the detection cylinder 1 is internally provided with guide rod 14, and the 1 inner wall bottom of detection cylinder is provided with installation
Seat 15, the mounting base 15 are internally provided with electrochemical sensor 16, and electrochemical sensor 9 includes gas concentration lwevel sensor
One of sensor, nitrogen dioxide electrochemical sensor and carbon monoxide electrochemical sensor are a variety of, the detection cylinder 1 one
End is internally provided with fan 17, and 1 other end top surface of detection cylinder is provided with gas outlet 18.
Further, in the above-mentioned technical solutions, described 1 one end of detection cylinder is provided with handle 19,19 surface of handle
It is provided with non-skid rubber ring 20, the non-skid rubber ring 20 is socketed with handle 19, facilitates the holding and use of device；
Further, in the above-mentioned technical solutions, first connecting cylinder 3 is threadedly coupled with the second connecting cylinder 4, described close
Seal 5 and the second connecting cylinder 4 are socketed, and are improved the effect of sealed connection, are facilitated the disassembly of fixed cylinder 2；
Further, in the above-mentioned technical solutions, the sealing-plug 7 is flexibly connected with fixed cylinder 2, the spring 9 with push away
Bar 8 is socketed, thrust of the plug 5 by spring 9, by 2 bottom plug for seal of fixed cylinder；
Further, in the above-mentioned technical solutions, the movable cylinder 10 is socketed with detection cylinder 1, the piston 12 and detection
Cylinder 1 is flexibly connected, and facilitates 11 pulling activity cylinder 10 of pull rod, 1 movement in detection cylinder, band piston 12 moves, by detecting cylinder 1
Air pressure inside is less than ambient pressure, and gas to be detected is drawn into detection cylinder 1；
Further, in the above-mentioned technical solutions, the mounting base 15 is threadedly coupled with electrochemical sensor 16, the electricity
Chemical sensor 16 and movable cylinder 10 are socketed, and the convenient protection to electrochemical sensor 16 facilitates tearing open for electrochemical sensor 16
It unloads and installs；
Further, in the above-mentioned technical solutions, the gas concentration lwevel sensor model is set as G01-
CO2-B3, the nitrogen dioxide electrochemical sensor model are set as 4NO2-20 CLE-0321-400, the carbon monoxide electricity
Chemical sensor model is set as CLE-0052-400.
This practical working principle:
Referring to Figure of description 1-3, air inlet pipe 6 is inserted into the container of storing samples gas, sealing-plug 5 is by spring
9 thrust, by 2 bottom plug for seal of fixed cylinder, when carrying out gas detection, using 11 pulling activity cylinder 10 of pull rod in detection cylinder
In 1 movement, band piston 12 moves, pulls push rod 8 using connecting line 13, drive sealing-plug 6 to rise, compressed spring 9 passes through
It detects 1 air pressure inside of cylinder and is less than ambient pressure, gas to be detected is drawn into detection cylinder 1, is passed using the electrochemistry in detection cylinder 1
Sensor 16 detect to gas, prevents from being contaminated in sample gas detection process, improves detection accuracy；
Pull rod 11 is pulled after a kind of detection of sample gas referring to Figure of description 1 or 3, piston 12 is drawn and arrives
18 side of port allows to detect the gas in cylinder 1 and is discharged from gas outlet 18, drives gas quickly to move using fan 17, preceding
It after primary sample gas is completely exhausted out, pushes sealing-plug 7 to restore by spring 9, pulls connecting line 13, drive activity cylinder 10 is also
Original when replacing electrochemical sensor 16, rotates the first connecting cylinder 3 or the second connecting cylinder 4, fixed cylinder 2 is unloaded, by connecting line
13 disconnect with push rod 8, then remove movable cylinder 10, rotate original electrochemical sensor 16, and by original electrochemical sensor
16 unload, and the electrochemical sensor 16 more renewed is with mounting base 15 using being threadedly coupled, and realization electrochemical sensor 16 is with changing, side
Just rapid cleaning substantially increases cleaning efficiency, facilitates the detection for carrying out lower a sample.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of gas sampling detection device for laboratory, including detection cylinder (1), it is characterised in that: the detection cylinder (1)
One end bottom is provided with fixed cylinder (2), and detection cylinder (1) bottom surface is provided with the first connecting cylinder (3), the fixed cylinder
(2) top surface is provided with the second connecting cylinder (4), is provided between the first connecting cylinder (3) bottom and fixed cylinder (2) surface
Sealing ring (5), fixed cylinder (2) bottom are provided with air inlet pipe (6), and the fixed cylinder (2) is internally provided with sealing-plug (7),
It is provided with push rod (8) at the top of the sealing-plug (7), push rod (8) surface is provided with spring (9), and the detection cylinder (1) is internal
It is provided with movable cylinder (10), described activity cylinder (10) one end is provided with pull rod (11), and described activity cylinder (10) another end surfaces are set
It is equipped with piston (12), is provided with connecting line (13) between the activity cylinder (10) and push rod (8), is set inside the detection cylinder (1)
It is equipped with guide rod (14), detection cylinder (1) the inner wall bottom is provided with mounting base (15), and the mounting base (15) is internally provided with electricity
Chemical sensor (16), described detection cylinder (1) one end are internally provided with fan (17), table at the top of detection cylinder (1) other end
Face is provided with gas outlet (18).
2. a kind of gas sampling detection device for laboratory according to claim 1, it is characterised in that: the detection
Cylinder (1) one end be provided with handle (19), handle (19) surface is provided with non-skid rubber ring (20), the non-skid rubber ring (20) with
Handle (19) socket.
3. a kind of gas sampling detection device for laboratory according to claim 1, it is characterised in that: described first
Connecting cylinder (3) is threadedly coupled with the second connecting cylinder (4), and the sealing ring (5) and the second connecting cylinder (4) are socketed.
4. a kind of gas sampling detection device for laboratory according to claim 1, it is characterised in that: the sealing
Plug (7) is flexibly connected with fixed cylinder (2), and the spring (9) and push rod (8) are socketed.
5. a kind of gas sampling detection device for laboratory according to claim 1, it is characterised in that: the activity
Cylinder (10) and detection cylinder (1) socket, the piston (12) are flexibly connected with detection cylinder (1).
6. a kind of gas sampling detection device for laboratory according to claim 1, it is characterised in that: the installation
Seat (15) is threadedly coupled with electrochemical sensor (16), and the electrochemical sensor (16) and movable cylinder (10) are socketed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811498985.XA CN109342124B (en) | 2018-12-08 | 2018-12-08 | Gas sampling detection device for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811498985.XA CN109342124B (en) | 2018-12-08 | 2018-12-08 | Gas sampling detection device for laboratory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109342124A true CN109342124A (en) | 2019-02-15 |
| CN109342124B CN109342124B (en) | 2021-03-12 |
Family
ID=65303358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811498985.XA Active CN109342124B (en) | 2018-12-08 | 2018-12-08 | Gas sampling detection device for laboratory |
Country Status (1)
| Country | Link |
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| CN (1) | CN109342124B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455594A (en) * | 2019-08-29 | 2019-11-15 | 贵州大学 | A kind of gas sample collection device |
| CN110686724A (en) * | 2019-09-04 | 2020-01-14 | 国网浙江省电力有限公司嘉兴供电公司 | High-voltage circuit breaker gas detection device and method based on ubiquitous power Internet of things |
| CN111521663A (en) * | 2020-04-29 | 2020-08-11 | 安徽工业大学 | Gas collection and measurement device, electrochemical analysis and measurement system and measurement method |
| CN113436835A (en) * | 2021-06-25 | 2021-09-24 | 广东电网有限责任公司 | Power transformer and explosion-proof method thereof |
| CN113466412A (en) * | 2021-06-30 | 2021-10-01 | 艾感科技(广东)有限公司 | Calibration method and system for detecting gas |
| CN113702587A (en) * | 2021-08-26 | 2021-11-26 | 江苏泰洁检测技术股份有限公司 | Device for measuring volatile organic compounds in solid waste |
| CN114173909A (en) * | 2021-06-30 | 2022-03-11 | 艾感科技(广东)有限公司 | Self-starting purifier based on environmental change |
| CN114749015A (en) * | 2021-06-30 | 2022-07-15 | 艾感科技(广东)有限公司 | Purifying device |
| WO2023272818A1 (en) * | 2021-06-30 | 2023-01-05 | 艾感科技(广东)有限公司 | Self-starting purification device based on environmental changes |
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| CN207894679U (en) * | 2017-12-27 | 2018-09-21 | 河南宜测科技有限公司 | A kind of double gas circuit air samplers of experiment detection |
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| CN203053762U (en) * | 2012-12-19 | 2013-07-10 | 深圳市建筑科学研究院有限公司 | Passive air sampler capable of being timed |
| JP2014228308A (en) * | 2013-05-20 | 2014-12-08 | 独立行政法人石油天然ガス・金属鉱物資源機構 | Pressurized sample supply device and analyzer |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455594A (en) * | 2019-08-29 | 2019-11-15 | 贵州大学 | A kind of gas sample collection device |
| CN110686724A (en) * | 2019-09-04 | 2020-01-14 | 国网浙江省电力有限公司嘉兴供电公司 | High-voltage circuit breaker gas detection device and method based on ubiquitous power Internet of things |
| CN111521663A (en) * | 2020-04-29 | 2020-08-11 | 安徽工业大学 | Gas collection and measurement device, electrochemical analysis and measurement system and measurement method |
| CN111521663B (en) * | 2020-04-29 | 2022-09-27 | 安徽工业大学 | Gas collection and measurement device, electrochemical analysis and measurement system and measurement method |
| CN113436835A (en) * | 2021-06-25 | 2021-09-24 | 广东电网有限责任公司 | Power transformer and explosion-proof method thereof |
| CN113436835B (en) * | 2021-06-25 | 2023-02-17 | 广东电网有限责任公司 | Power transformer and explosion-proof method thereof |
| CN114173909A (en) * | 2021-06-30 | 2022-03-11 | 艾感科技(广东)有限公司 | Self-starting purifier based on environmental change |
| CN114749015A (en) * | 2021-06-30 | 2022-07-15 | 艾感科技(广东)有限公司 | Purifying device |
| CN113466412B (en) * | 2021-06-30 | 2022-10-04 | 艾感科技(广东)有限公司 | Calibration method and system for detecting gas |
| WO2023272818A1 (en) * | 2021-06-30 | 2023-01-05 | 艾感科技(广东)有限公司 | Self-starting purification device based on environmental changes |
| CN113466412A (en) * | 2021-06-30 | 2021-10-01 | 艾感科技(广东)有限公司 | Calibration method and system for detecting gas |
| CN114173909B (en) * | 2021-06-30 | 2023-08-01 | 艾感科技(广东)有限公司 | Self-starting purification device based on environmental change |
| CN113702587A (en) * | 2021-08-26 | 2021-11-26 | 江苏泰洁检测技术股份有限公司 | Device for measuring volatile organic compounds in solid waste |
| CN113702587B (en) * | 2021-08-26 | 2024-05-14 | 江苏泰洁检测技术股份有限公司 | Device for measuring volatile organic compounds in solid waste |
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|---|---|
| CN109342124B (en) | 2021-03-12 |
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