CN113916619A - Automatic sampling system for field gas - Google Patents
Automatic sampling system for field gas Download PDFInfo
- Publication number
- CN113916619A CN113916619A CN202111169883.5A CN202111169883A CN113916619A CN 113916619 A CN113916619 A CN 113916619A CN 202111169883 A CN202111169883 A CN 202111169883A CN 113916619 A CN113916619 A CN 113916619A
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- base station
- box
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- fixedly arranged
- gas
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- 238000005070 sampling Methods 0.000 title claims abstract description 37
- 230000003068 static effect Effects 0.000 claims abstract description 31
- 239000002689 soil Substances 0.000 claims description 8
- 230000001012 protector Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 30
- 238000004458 analytical method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004158 soil respiration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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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
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of gas sampling, and particularly relates to a field gas automatic sampling system which comprises a static box, wherein the right end of the static box is connected with a small automatic sampler, the right end of the small automatic sampler is connected with a base station box, the upper end of the base station box is connected with a solar panel, the upper end of the solar panel is connected with a lightning rod, so that gas sampling can be rapidly performed in the field, the sampling process is simple, and the gas detection accuracy is higher.
Description
Technical Field
The invention relates to the technical field of gas sampling, in particular to an automatic sampling system for field gas.
Background
Gas is one of the most common states ubiquitous in our productive life. For production research needs, the analysis of the composition of gases in specific areas is a common basic task. In agriculture and forestry production, gas sampling and analysis work is common in both fields and greenhouses. The basic information that we need to know includes determining the gas composition of the region at a certain time point, determining the gas composition change of the region in a certain time period, and therefore, collecting the field gas by using an automatic sampling system.
However, when the existing automatic gas collection system is used, the collection flow is complex, and the gas collection efficiency is low, so that the accuracy of the detection result is influenced when the collected gas is detected.
Disclosure of Invention
The invention aims to provide a field gas automatic sampling system to solve the problem that the accuracy of a detection result is influenced when the acquired gas is detected due to the fact that an existing gas automatic acquisition system provided in the background technology is complex in acquisition process and low in gas acquisition efficiency when in use.
In order to achieve the purpose, the invention provides the following technical scheme: open-air gaseous automatic sampling system, including static case, the right-hand member of static case is connected and is provided with small-size auto-sampler, the right-hand member of small-size auto-sampler is connected and is provided with the base station case, the upper end of base station case is connected and is provided with solar panel, solar panel's upper end is connected and is provided with the lightning rod.
Preferably, the fixed fan that is provided with the symmetry in inside of static case, the fixed electronic push-and-pull rod that is provided with of left side wall of static case, the right-hand member of static case is provided with temperature sensor, temperature sensor's lower extreme is connected and is provided with the pipeline, the left end of small-size autosampler is connected and is provided with the solenoid valve, the right-hand member of pipeline with solenoid valve electric connection.
Preferably, the static box is arranged inside soil, and a soil temperature and humidity sensor is arranged at the right end of the static box.
Preferably, a data controller is fixedly arranged at the lower end inside the base station box, a display is fixedly arranged at the upper end of the data controller, a leakage protector is fixedly arranged at the upper end of the display, a route is fixedly arranged at the left end of the leakage protector, and an air pressure sensor is fixedly arranged at the right end of the upper side wall of the base station box.
Compared with the prior art, the invention has the beneficial effects that:
through the cooperation of static case, small-size autosampler and base station case jointly, the gaseous automatic sampling system of constitution can carry out gas sampling in the field fast, and the sampling flow is simple, has higher gas detection accuracy.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1 static case, 2 small-size autosampler, 3 base station casees, 4 solar panels, 5 lightning rods, 6 fans, 7 electronic push-pull rods, 8 temperature sensors, 9 pipelines, 10 solenoid valves, 11 soil temperature and humidity sensors, 12 data controller, 13 displays, 14 earth leakage protectors, 15 routes, 16 air pressure sensors.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1, the present invention provides a technical solution: an automatic sampling system for field gas comprises a static box 1, wherein the right end of the static box 1 is connected with a small automatic sampler 2, the right end of the small automatic sampler 2 is connected with a base station box 3, the upper end of the base station box 3 is connected with a solar panel 4, the upper end of the solar panel 4 is connected with a lightning rod 5, a base station, namely a public mobile communication base station, is a form of a radio station, and is a radio transceiver station for information transmission between a mobile communication switching center and a mobile phone terminal in a certain radio coverage area, in a simple way, the base station is used for ensuring that a mobile phone can keep signals at any time and any place in the moving process, the requirements of conversation, information transmission and reception and transmission and the like can be ensured, and a device with a moving mark on a sharp high iron tower seen in daily life is the base station, the base station transmits and receives messages through the antenna.
The fixed fan 6 that is provided with the symmetry in static case 1's inside, the fixed electronic push-and-pull rod 7 that is provided with of left side wall of static case 1, the right-hand member of static case 1 is provided with temperature sensor 8, temperature sensor 8's lower extreme is connected and is provided with pipeline 9, the left end of small-size auto-sampler 2 is connected and is provided with solenoid valve 10, the right-hand member of pipeline 9 with solenoid valve 10 electric connection.
The base station box 3 is characterized in that a data controller 12 is fixedly arranged at the lower end inside the base station box 3, a display 13 is fixedly arranged at the upper end of the data controller 12, a leakage protector 14 is fixedly arranged at the upper end of the display 13, a route 15 is fixedly arranged at the left end of the leakage protector 14, and an air pressure sensor 16 is fixedly arranged at the right end of the upper side wall of the base station box 3.
Gas collection specifications and requirements:
(1) firstly, designing a sampling program according to experimental design requirements, and determining a sampling time plan of each sampling point, wherein the designed sampling time interval is kept if no special weather condition causes that sampling work cannot be carried out. The sampling work of the current day is generally started at the local time of 9:00, and sampling tools including an inspection sampling box, a fan, a battery and the like need to be carefully prepared before the sampling is started;
(2) once the experiment is started, the working sequence of the sampling points should not be changed at will. If the plant growth sample points and the blank field sample points, the different fertilization mode comparison points and the like exist, the sequence and the time are the same as much as possible when sampling each time. The ground surface condition is kept as the original state and is not damaged;
(3) and making experimental records according to regulations.
Gas collection frequency:
in the season of vigorous growth of plants, the rice field is generally used for 2 times per week, other plants change day by day according to specific conditions according to the rice field, the sampling time interval is 2 hours every day, 3 hours every night, the sampling frequency can be reduced according to the climate change conditions in other seasons, if the soil respiration in winter in the north is extremely weak, and 1-2 points are selected for observation in 1-2 months.
Gas sample collection capacity:
the sampling container is a 100ml medical injector which is provided with a three-way valve, and the three-way valve is utilized to complete the actions of gas sampling, gas sample injection into an analyzer sample injector and the like;
A1L standard gas sample air bag is reserved, when necessary experiments cannot be stopped, a station analysis instrument system fails and cannot be eliminated in time, the advantages of a network can be exerted, and gas is collected by the air bag and analyzed to a nearest station.
Gas sample collection operation:
firstly, connecting an injector with a 3-way 2-way valve and paying attention to firm connection, then connecting the 3-way 2-way valve of the injector with a F46 sampling tube valve connected with a sampling box, opening the valve 2 during gas production, opening the valve 1 to enable the injector to be communicated with the box and be disconnected with the outside air, pulling the injector to draw the air in the box by slow force, rotating the valve 1 after the injector is fully drawn, cutting off the channel in the box, enabling the injector to be communicated with the outside air, and discharging the air in the injector.
The working principle is as follows: after the set time of the static box 1 is reached, the box cover of the static box 1 is closed, the fan 6 is opened to enable air inside the static box 1 to circulate, then the electromagnetic valve 10 of the small automatic sample injector 2 is opened, the knf diaphragm pump is opened simultaneously, residual gas left in the pipeline is exhausted after 10 seconds, the x axis of the small automatic sample injector 2 points to the first sample bottle, the z axis is downwards needled to the first bottle, the depth is 30mm, gas is injected into the bottle for 15-20 seconds, then the z axis zero point is lifted, the x axis zero point is closed, the knf pump is closed, the electromagnetic valve 10 is closed, the fan 6 is closed, the static box cover is opened, the next sampling period time is waited to arrive, and the temperature and humidity inside the static box 1, the temperature and humidity of soil inside the static box 1 and the data recording of the environment monitoring station are synchronous at the moment.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Open-air gaseous automatic sampling system, including static case (1), its characterized in that, the right-hand member of static case (1) is connected and is provided with small-size autosampler (2), the right-hand member of small-size autosampler (2) is connected and is provided with base station case (3), the upper end of base station case (3) is connected and is provided with solar panel (4), the upper end connection of solar panel (4) is provided with lightning rod (5).
2. The automatic field gas sampling system of claim 1, wherein: the fixed fan (6) that is provided with the symmetry in inside of static case (1), the fixed electronic push-and-pull rod (7) that is provided with of left side wall of static case (1), the right-hand member of static case (1) is provided with temperature sensor (8), the lower extreme of temperature sensor (8) is connected and is provided with pipeline (9), the left end of small-size auto-sampler (2) is connected and is provided with solenoid valve (10), the right-hand member of pipeline (9) with solenoid valve (10) electric connection.
3. The automatic field gas sampling system of claim 1, wherein: the static box (1) is arranged inside soil, and a soil temperature and humidity sensor (11) is arranged at the right end of the static box (1).
4. The automatic field gas sampling system of claim 1, wherein: the base station box is characterized in that a data controller (12) is fixedly arranged at the lower end inside the base station box (3), a display (13) is fixedly arranged at the upper end of the data controller (12), a leakage protector (14) is fixedly arranged at the upper end of the display (13), a route (15) is fixedly arranged at the left end of the leakage protector (14), and an air pressure sensor (16) is fixedly arranged at the right end of the upper side wall of the base station box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111169883.5A CN113916619A (en) | 2021-10-08 | 2021-10-08 | Automatic sampling system for field gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111169883.5A CN113916619A (en) | 2021-10-08 | 2021-10-08 | Automatic sampling system for field gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113916619A true CN113916619A (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111169883.5A Pending CN113916619A (en) | 2021-10-08 | 2021-10-08 | Automatic sampling system for field gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113916619A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101367993B1 (en) * | 2012-11-06 | 2014-02-28 | 대한민국 | Chamber for sampling green-house gas |
| CN103926115A (en) * | 2014-04-10 | 2014-07-16 | 中国农业科学院农业环境与可持续发展研究所 | Automatic gas sample collection station for monitoring greenhouse gas emission flux |
| CN105738161A (en) * | 2016-02-25 | 2016-07-06 | 中国科学院、水利部成都山地灾害与环境研究所 | Automatic sampling static chamber for water surface greenhouse gas |
| CN108287247A (en) * | 2018-01-25 | 2018-07-17 | 中国水稻研究所 | A kind of automatic collector and method |
| CN209043676U (en) * | 2018-11-14 | 2019-06-28 | 贵州农业职业学院 | A kind of portable soil gas collecting device |
| CN213041594U (en) * | 2020-09-08 | 2021-04-23 | 云南农业大学 | Height-adjustable field greenhouse gas collection test device |
-
2021
- 2021-10-08 CN CN202111169883.5A patent/CN113916619A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101367993B1 (en) * | 2012-11-06 | 2014-02-28 | 대한민국 | Chamber for sampling green-house gas |
| CN103926115A (en) * | 2014-04-10 | 2014-07-16 | 中国农业科学院农业环境与可持续发展研究所 | Automatic gas sample collection station for monitoring greenhouse gas emission flux |
| CN105738161A (en) * | 2016-02-25 | 2016-07-06 | 中国科学院、水利部成都山地灾害与环境研究所 | Automatic sampling static chamber for water surface greenhouse gas |
| CN108287247A (en) * | 2018-01-25 | 2018-07-17 | 中国水稻研究所 | A kind of automatic collector and method |
| CN209043676U (en) * | 2018-11-14 | 2019-06-28 | 贵州农业职业学院 | A kind of portable soil gas collecting device |
| CN213041594U (en) * | 2020-09-08 | 2021-04-23 | 云南农业大学 | Height-adjustable field greenhouse gas collection test device |
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Application publication date: 20220111 |