CN105738161B - A kind of water surface greenhouse gases sample static chamber automatically - Google Patents
A kind of water surface greenhouse gases sample static chamber automatically Download PDFInfo
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- CN105738161B CN105738161B CN201610102693.4A CN201610102693A CN105738161B CN 105738161 B CN105738161 B CN 105738161B CN 201610102693 A CN201610102693 A CN 201610102693A CN 105738161 B CN105738161 B CN 105738161B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000005431 greenhouse gas Substances 0.000 title claims abstract description 24
- 230000003068 static effect Effects 0.000 title claims abstract description 24
- 239000000523 sample Substances 0.000 claims abstract description 64
- 239000007789 gas Substances 0.000 claims abstract description 47
- 238000005070 sampling Methods 0.000 claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 230000036760 body temperature Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract 1
- 230000004907 flux Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 238000013475 authorization Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
- G01N1/2247—Sampling from a flowing stream of gas
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of water surface greenhouse gases sample static chamber automatically, are made of static chamber, automatic sampling apparatus, power supply system and four part of control system, are wherein fixed with floating body outside static chamber, box inside is equipped with fan, and top drilling simultaneously connects needle-shaped gas production mouth；Automatic sampling apparatus main part is disc shape in configuration, free to rotate, and disk perimeter can place vacuum gas production bag, and sack center is aligned and can move back and forth in horizontal sliding groove with horizontal needle-shaped gas sample outlet；Power supply system is made of solar panels and battery, and solar panels are fixed on the outside of static chamber, and two batteries are fixed on inside above-mentioned static chamber；Control system controls automatic sampling apparatus and storage environment information, and temp probe and barograph are connected with control system.The present invention can be used for opening the automatic, continuous of water surface greenhouse gases, long-term acquisition, and can synchronous collection environmental information, can meet the needs of different water surfaces acquisition greenhouse gases samplings.
Description
Technical field
The present invention relates to a kind of water surface gas sampling assembly, specifically a kind of water surface greenhouse gases sample static state automatically
Case.
Background technique
CO2, CH4 and N2O isothermal chamber gas that the water bodys such as river, lake, reservoir are discharged into atmosphere are that global climate becomes
Key factor in warm, accurate, long-term monitoring are most important for research greenhouse gases and climate warming.Monitoring water at present
The main method of surface green house gas discharge is then to calculate greenhouse gases row using the sampling of floating static chamber and detection gas content
Put flux.But the static case apparatus of existing floating has the disadvantage that and needs manually to acquire gaseous sample, it is not only time-consuming
Arduously, it and is difficult to carry out long term monitoring in field, it is difficult to obtain large sample size；Artificial sample will affect the accuracy of sample,
CO2 meeting contaminated samples ingredient, human factor rough air as caused by people itself breathing influence emission flux of gas；When sampling
It is difficult to the synchronous accurate environmental information of acquisition, is unfavorable for the accurate calculating of gas flux.What can be retrieved at present floats about the water surface
The patent of floating static chamber, such as a kind of technology of plant-type lake Carbon flux monitoring, application publication number CN102156107A；One kind is used for
The static chamber of the open water body water surface and its sloping bank gas collecting, Authorization Notice No. CN203069418U；Water-vapor interface gas flux
Static chamber, Authorization Notice No. CN202057528U；Determine the Portable static state box of greenhouse gas emission flux of water body, Granted publication
Number CN202267677U；Can automatic lifting water surface gas sample flotation tank, Authorization Notice No. CN202974729U can not connect
Continuous, automatic sampling simultaneously records the technical solution of environmental information simultaneously, thus a kind of new technical solution is needed to ask to solve these
Topic.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of water surface greenhouse gases to sample static chamber automatically, it is long to can be used for field
Phase automatic collection simultaneously saves greenhouse gases sample, environmental information when being collected simultaneously and saving sampling.
Technical solution provided by the invention is as follows: a kind of water surface greenhouse gases sample static chamber automatically, including cabinet (6),
Automatic sampling apparatus, control system (8) and power supply system, it is characterised in that: cabinet (6) two sides install floating body (3) additional, interior
Side is equipped with fan (7) and control system (8), and horizontal needle-shaped gas sample outlet (62) is arranged at top, and bottom is connected and fixed device (9)；Institute
Required electric energy can be provided for automatic sampling apparatus and control system (8) by stating power supply system；The control system (8) is controllable automatic
Sampling apparatus and storage environment information.
Above-mentioned cabinet two sides, which install floating body additional a kind of water surface greenhouse gases can be made to sample static chamber automatically, floats on water
Face, inside are equipped with fan and control system, and horizontal needle-shaped gas sample outlet is arranged at top, and bottom is connected and fixed device.Power supply system is
Electric energy needed for automatic sampling apparatus, control system and fan provide, control system can control automatic sampling apparatus and fan, and deposit
Store up environmental information.
Its sack center and horizontal needle after above-mentioned vacuum gas production bag is fixed on inside the fixed device of sample sack by nut
Shape gas sample exports on a horizontal line.The automatic sampling apparatus includes automatic sampling plate (1), motor one (41), motor two
(42), sample sack fixed device (11), vacuum gas production bag (12) and sampler tray top cover (61)；Automatic sampling plate (1) installation
At the top of cabinet (6)；The automatic sampling plate (1) is disc shape in configuration, and can be freely rotated under the driving of motor two (42),
Sample sack is installed fixed device (11) on circumference；The sample sack fixed device (11) can be in motor one (41), screw rotor
(411), it is moved back and forth in horizontal sliding groove (13) under the driving of spring (14) and magnet (413)；The vacuum gas production bag
(12) it is fixed on sample sack fixed device (11) inside by nut (15), vacuum gas production bag (12) places its sack after completion
Center and horizontal needle-shaped gas sample outlet (62) are on a horizontal line.
Above-mentioned control system (8) can control motor one (41), motor two (42) and fan (7) operating and record Air Temperature
The data of degree probe (81), water temperature probe (82) and barograph (83) monitoring, and can be by data real-time display in number
On word display screen (64).
Above-mentioned power supply system includes solar panels, charge controller and battery, and solar panels are mounted on the outside of cabinet, fill
Electric controller is mounted on solar panels backlight side, and battery is mounted on box inside.
Compared with prior art, the present invention is had the following obvious advantages: after being installed without people it is on duty can from
The greenhouse gases of dynamic acquisition water surface discharge, reduce cost of labor；Flexibly control sampling time interval, can it is out of office it is outer it is long-term,
Continuous sampling；It can be provided while sampling with synchronous recording sampled point environmental information for the accurate greenhouse gas emission flux that calculates
Data are supported；Without human interference, sample reliability is higher.
Detailed description of the invention
Fig. 1 is top view of the present invention.
Fig. 2 is the sectional view in Fig. 1 along line A-A.
Fig. 3 is automatic sampling structure schematic diagram in the present invention.
Fig. 4 is vacuum gas production bag fixing device schematic diagram in the present invention.
Numbering in the drawing explanation: 1- automatic sampling plate, the fixed device of 11- sample sack, 12- vacuum gas production bag, 13- sliding
Slot, 14- spring, 15- nut, 2- solar panels, 21- charge controller, 3- floating body, 41- motor one, 42- motor two, 411- spiral shell
Line rotor, the fixed device of 412- motor one, 413- magnet, 5- battery, 6- cabinet, 61- sampler tray top cover, the outlet of 62- gas sample,
63- master switch, 64- digital display screen, 7- fan, 8- control system, 81- air themperature probe, 82- water temperature probe, 83-
Barograph, 9- device for fixing boxes.
Specific embodiment
The present invention is described in detail shown in reference to the accompanying drawing.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4,6 two sides of cabinet, which install floating body 3 additional, can make static box body float on the water surface；Case
Internal side is equipped with fan 7, accelerates the circulation of box house gas；Control system 8 is mounted on the inside of cabinet 6, controllable motor 1,
The operating of motor 2 42 and fan 7 simultaneously records what air themperature probe 81, water temperature probe 82 and barograph 83 monitored
Data, and can be by data real-time display on digital display screen 64；6 inside top of cabinet has horizontal needle-shaped gas sample outlet 62；Case
6 bottom of body is connected and fixed device 9, prevents wind, water flow etc. from causing cabinet 6 mobile；Automatic sampling plate 1, motor 1, motor two
42, the fixed device 11 of sample sack, vacuum gas production bag 12 and sampler tray top cover 61 constitute automatic sampling apparatus；The automatic sampling plate
1 is installed on the top of cabinet 6, is circular structure, and being rotated by motor 2 42,30 sample sacks are installed on circumference
Fixed device 11；The fixed device 11 of the sample sack can be in the driving of motor 1, screw rotor 411, spring 14 and magnet 413
Under moved back and forth in horizontal sliding groove 13；The vacuum gas production bag 12 is fixed in the fixed device 11 of sample sack by nut 5
Portion, sack center and the outlet 62 of needle-shaped gas sample are on a horizontal line after the placement of vacuum gas production bag 12 is completed；Power supply system packet
Solar panels 2, charge controller 21 and battery 5 are included, solar panels 2 are mounted on 6 outside of cabinet, and charge controller 21 is mounted on
2 backlight side of solar panels, battery 5 are mounted on 6 inside of cabinet, and power supply system can be automatic sampling apparatus, control system 8 and wind
Electric energy needed for fan 7 provides.
The present invention can be used for the automatic collection of water surface greenhouse gases, its workflow is as follows after being installed:
(1) fixed device 9 is sunk under water static housing 6,30 vacuum gas production bags 12 is put into the fixed device of sample sack
11, it is fixed with nut 5.
(2) 2 42 operating plan of motor is set by control system 8, to control when starting turning of automatic sampling plate 1
It carves, velocity of rotation and stop operating the moment；Concurrently setting the time that motor 1 starts turning is what motor 2 42 shut down
Moment moves to control the fixed device 11 of sample sack；The duration of runs for concurrently setting fan 7 is among double sampling interval
Period.
(3) motor 2 42 stops when on a horizontal line at 12 sack center of vacuum gas production bag and needle-shaped gas sample outlet 62
Rotation, motor 1 starts turning at this time, pushes the fixed device 11 of sample sack to 62 fortune of gas sample outlet by screw rotor 411
Dynamic, until horizontal needle-shaped gas sample outlet 62 passes through the rubber hole of 12 sack center of vacuum gas production bag, motor 1 stops at this time
Rotation stop is dynamic, and vacuum gas production bag 12 starts gas production, and motor 1 rotates backward after gas production is completed, by spring 14 and magnet 413
So that vacuum gas production bag 12 is detached from gas sample outlet 62 active force of the fixed device 11 of sample sack, completes adopting automatically for a sample
Collection.
(4) control system 8 records air themperature probe 81, water temperature at the time of step (2) described sampling process starts
Temperature, water temperature and the barometric information that probe 82 and barograph 83 monitor.
(5) step (3) and (4) are repeated until sample plan is completed.
(6) sample plan is taken away after completing in sample sack and control system 8 in the fixed device 11 of each sample sack
Environmental data, reset sample plan and place vacuum gas production bag 12 can carry out next round sampling.
After the greenhouse gases sample that the present invention acquires measures concentration through greenhouse gas concentration determining instrument etc., according to noble and unsullied
" floating flux box method and the diffusion model method measurement Inland Water CH4 delivered in " weather and Environmental Studies " Deng in May, 2014
With the preliminary comparative studies of N2O emission flux " article, following formula can be used and calculate water surface emission greenhouse gas flux:
In formula: ρ is greenhouse gases density (unit: gL-1), V is static chamber gas chamber volume (unit: m3), A is cabinet and water
Contact area (the unit: m in face2), dC/dt is the initial concentration change rate (unit: μ L L of greenhouse gases in static chamber gas chamber- 1min-1)；Ta is the temperature (unit: DEG C) in static chamber；Atmospheric pressure (unit: kPa) when p is sampling；T0And p0Respectively
Temperature (273K) and atmospheric pressure (101.3kPa) under the status of criterion；K is dimension conversion coefficient.
Claims (2)
1. a kind of water surface greenhouse gases sample static chamber, including cabinet (6), automatic sampling apparatus, control system (8) and confession automatically
Electric system, it is characterised in that: cabinet (6) two sides install floating body (3) additional, and inside is equipped with fan (7) and control system (8),
Horizontal needle-shaped gas sample outlet (62) is arranged at top, and bottom is connected and fixed device (9)；The power supply system can for automatic sampling apparatus and
Electric energy needed for control system (8) provides；The control system (8) can control automatic sampling apparatus and storage environment information；
The automatic sampling apparatus includes automatic sampling plate (1), motor one (41), motor two (42), the fixed device of sample sack
(11), vacuum gas production bag (12) and sampler tray top cover (61)；The automatic sampling plate (1) is installed at the top of cabinet (6)；It is described from
Dynamic sampler tray (1) is disc shape in configuration, and being rotated by motor two (42), sample sack fixed dress is installed on circumference
Set (11)；The sample sack fixed device (11) can be in motor one (41), screw rotor (411), spring (14) and magnet (413)
Driving under move back and forth in the horizontal sliding groove (13)；The vacuum gas production bag (12) is fixed on sample sack by nut (5)
Fixed device (11) are internal, its sack center and needle-shaped gas sample outlet (62) are at one after vacuum gas production bag (12) placement is completed
On horizontal line；
The power supply system includes solar panels (2), charge controller (21) and battery (5), solar panels (2) installation
On the outside of the cabinet (6), the charge controller (21) is mounted on the solar panels (2) backlight side, the battery (5)
It is mounted on the inside of the cabinet (6).
2. a kind of water surface greenhouse gases according to claim 1 sample static chamber automatically, it is characterised in that: the control system
System (8) can control motor one (41), motor two (42) and fan (7) operating and record air themperature pop one's head in (81), water body temperature
The data of degree probe (82) and barograph (83) monitoring, and can be by data real-time display on digital display screen (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610102693.4A CN105738161B (en) | 2016-02-25 | 2016-02-25 | A kind of water surface greenhouse gases sample static chamber automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610102693.4A CN105738161B (en) | 2016-02-25 | 2016-02-25 | A kind of water surface greenhouse gases sample static chamber automatically |
Publications (2)
| Publication Number | Publication Date |
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| CN105738161A CN105738161A (en) | 2016-07-06 |
| CN105738161B true CN105738161B (en) | 2019-06-21 |
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| CN106370787B (en) * | 2016-09-30 | 2019-03-15 | 南通大学 | Frequently change the liquid level volatilization gas detection device of water body suitable for water level |
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| CN113916619A (en) * | 2021-10-08 | 2022-01-11 | 中国科学院大气物理研究所 | Automatic sampling system for field gas |
| CN116990089B (en) * | 2023-07-31 | 2024-03-12 | 珠海深圳清华大学研究院创新中心 | Monitoring device and method for directly discharging sewage greenhouse gases |
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- 2016-02-25 CN CN201610102693.4A patent/CN105738161B/en not_active Expired - Fee Related
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| JP2003091618A (en) * | 2001-09-19 | 2003-03-28 | Horiba Ltd | Greenhouse effect gas emission index converting system and method |
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