CN203732330U - Fixed-point continuous acquisition box for greenhouse gas at soil-atmosphere interface - Google Patents
Fixed-point continuous acquisition box for greenhouse gas at soil-atmosphere interface Download PDFInfo
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- CN203732330U CN203732330U CN201420080040.7U CN201420080040U CN203732330U CN 203732330 U CN203732330 U CN 203732330U CN 201420080040 U CN201420080040 U CN 201420080040U CN 203732330 U CN203732330 U CN 203732330U
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- end opening
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- 239000005431 greenhouse gas Substances 0.000 title claims abstract description 12
- 239000002689 soil Substances 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 abstract description 17
- 239000000463 material Substances 0.000 description 6
- 238000011160 research Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a gas acquisition device and provides a fixed-point continuous acquisition box for greenhouse gas at a soil-atmosphere interface, and the acquisition box is simple to operate and portable, has small disturbance for soil and can acquire greenhouse gas in a continuous and fixed-point manner. The fixed-point continuous acquisition box is provided with a box body and a box cover, wherein the box body adopts a quadrangular frustum pyramid type box body, the top-end opening of the box body is larger than the bottom-end opening, a top-end open ridge is arranged at the top-end opening of the box body, a groove capable of being embedded into the top-end open ridge of the box body is formed in the periphery of the lower part of the box cover which is mounted on the top-end open ridge of the box body, an elastic seal ring is arranged in the groove, and bendable fixing buckles are arranged on the periphery of the groove in four sides of the box cover and can be buckled and fixed on convex fixed pieces arranged at the upper ends of side surfaces of the box body, so that the box cover is fixed at the upper part of the box body, a gas sample acquisition hole and an air pressure equalizing hole are formed in the upper part of the box cover, and a graduation mark is arranged at the bottom end of each side surface of the box body along a vertical seamed edge.
Description
Technical field
The utility model relates to gas collecting device, especially relates to a kind of soil and atmosphere interface greenhouse gases fixed point continuous acquisition case.
Background technology
At present the main stream approach of research soil and atmosphere interface greenhouse gases flux is static chamber method: adopt without under casing, the soil of certain area to be covered to air in rear regular extraction case and, for greenhouse gases analysis, calculate Flux by object gas concentration in air in case with the ratio of the rate of change of seal time and volume/mulching soil area of closed box.Chamber method is easy to operate, highly sensitive and cheap, conventionally can utilize ready-made container to reequip, but this closed box also has some limitations.For completing at short notice the collection of gaseous sample, avoid the interference of other factors, conventionally the height of closed box/soil erosion ratio is designed between a less Suitable Area, make the gas concentration significant change at short notice in casing.This closed box is only suitable for the unitary sampling work that the short time completes.Carry out repeatedly the continuous one-point measurement of compartment (as measured the diurnal variation of flux time) as wish, sampling casing need to be taken out from soil, again buckle in soil and sample to the sampling time; Otherwise the gas concentration in casing can reach equilibrium state fast, and air moisture also can reach capacity, affect the gas exchange of soil-atmosphere interface and affect result.But so repeatedly lay closed box and can cause disturbance to upper soll layer structure, destroy the impermeability of sampling system, particularly, at the unsettled wetland of soil texture, this outside destroy is more obvious, has introduced uncertain factor and error to the Changing Pattern research of research greenhouse gases flux.
Summary of the invention
It is simple to operate, easy to carry that the purpose of this utility model is to provide, little to soil disturbance, can fix a point continuously to gather a kind of soil and the atmosphere interface greenhouse gases fixed point continuous acquisition case of greenhouse gases.
The utility model is provided with casing and case lid, described casing is truncated rectangular pyramids casing, casing top end opening is greater than bottom end opening, casing top end opening is provided with top end opening rib, described case lid bottom surrounding is provided with the groove that can embed on casing top end opening rib, described case lid is arranged on the top end opening rib of casing, in groove, be provided with elastic seal ring, case lid four groove peripheries, limit are equipped with bent clip, can be fastened and make case lid be fixed on casing top on the protruding stator of upper end, casing side setting, described case lid top is provided with gaseous sample and gathers hole and air equalizer opening, bottom, the each side of casing is provided with scale mark along vertical seamed edge.
Described casing and case lid can adopt transparent PP material, and the printing opacity of this material, high temperature resistant is more suitable for field work compared with glass material.
Described gaseous sample gathers hole can be provided with rubber plug, described air equalizer opening can be provided with rubber plug, the elastic rubber plug that gaseous sample gathers in hole gathers gaseous sample for syringe, mounting of syringe syringe needle when elastic rubber plug in air equalizer opening supplies to gather gas, to ensure casing internal gas pressure balance.
The scope of described scale mark can be 4～6cm, and minimum scale can be 1mm.
The beneficial effects of the utility model are: the utility model structural design is simple, detachable, the airtight combination design of case lid and casing, easy and simple to handle, easy to implement, one-step installation can repeatedly be sampled, reduce gas collecting device the interference to upper soll layer structure has been installed repeatedly, improved the accuracy to the research of Soil Trace Gases drain time Changing Pattern; In addition, its casing is the quadrangular frustum pyramid shaped that top end opening is slightly larger than bottom end opening, can multiple casings overlapping, facilitates field to carry.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Following examples are further described the utility model in connection with accompanying drawing.
As shown in Figure 1, the utility model embodiment is provided with casing 1 and case lid 2, described casing 1 is truncated rectangular pyramids casing, casing top end opening is greater than bottom end opening, casing top end opening is provided with top end opening rib 11, described case lid 2 bottom surroundings are provided with the groove 21 that can embed on casing 1 top end opening rib 11, described case lid 2 is arranged on the top end opening rib 11 of casing 1, in groove 21, be provided with elastic seal ring 22, case lid 2 four limit groove 21 peripheries are equipped with bent clip 23, can be fastened and make case lid 2 be fixed on casing 1 top on the protruding stator 12 of casing 1 upper end, side setting, described case lid 2 tops are provided with gaseous sample and gather hole 24 and air equalizer opening 25, bottom, the each side of casing 1 is provided with scale mark 13 along vertical seamed edge.
Described casing 1 and case lid 2 can adopt transparent PP material, and the printing opacity of this material, high temperature resistant is more suitable for field work compared with glass material.
Described gaseous sample gathers hole 24 can be provided with rubber plug 26, described air equalizer opening 25 can be provided with rubber plug 26, the elastic rubber plug that gaseous sample gathers in hole gathers gaseous sample for syringe, mounting of syringe syringe needle when elastic rubber plug in air equalizer opening supplies to gather gas, to ensure casing internal gas pressure balance.
The scope of described scale mark can be 4～6cm, and minimum scale can be 1mm.
Casing 1 is quadrangular frustum pyramid shaped, and height is 15cm, and bottom end opening rectangle is of a size of 20cm × 13cm, and top end opening rectangle is of a size of 21cm × 14cm.This shuttle table type design can realize the overlapping of multiple casings, facilitates field to carry.Case lid 2 is 21.5mm × 14.5mm rectangle, and casing 1 bottom four sides are furnished with scale mark 13, and scale mark 13 is 5cm, and minimum scale is 1mm, utilize scale mark 13 Measurement accuracy casing 1 bottoms bury table the degree of depth.
When use, first casing 1 bottom end opening is buckled into soil 3cm, control and buckle into depth of soil with the accurate control of scale mark 13.Instigate the interior air 30s of casing 1 with case lid 2, ventilate.Then being fastened on casing 1 top end opening rib 11 case lid 2 grooves, projection stator 12 fastenings by bent case lid 2 clip 23 with casing 1 side, form airtight casing, gather gas with the high elastic rubber plug 26 that syringe gathers in hole 24 by gaseous sample, high elastic rubber plug 26 in air equalizer opening 25 inserts a syringe needle simultaneously, with the air pressure balance of guard box inside and outside.Complete after a gas collecting, bent clip 23 and projection stator 12 are unclamped, take off case lid 2, reinstall case lid 2 to the sampling time, carry out fixed point continuously and gather gaseous sample.
Compared to prior art, the utility model structural design is simply ingenious, is easy to carry, easy and simple to handle, easy to implement, one-step installation can repeatedly be sampled, reduce gas collecting device the interference to upper soll layer structure has been installed repeatedly, improved the accuracy to the research of Soil Trace Gases discharge rule.
Claims (2)
1. soil and atmosphere interface greenhouse gases fixed point continuous acquisition case, it is characterized in that being provided with casing and case lid, described casing is truncated rectangular pyramids casing, casing top end opening is greater than bottom end opening, casing top end opening is provided with top end opening rib, described case lid bottom surrounding is provided with the groove that can embed on casing top end opening rib, described case lid is arranged on the top end opening rib of casing, in groove, be provided with elastic seal ring, case lid four groove peripheries, limit are equipped with bent clip, can be fastened and make case lid be fixed on casing top on the protruding stator of upper end, casing side setting, described case lid top is provided with gaseous sample and gathers hole and air equalizer opening, bottom, the each side of casing is provided with scale mark along vertical seamed edge.
2. soil and atmosphere interface greenhouse gases fixed point continuous acquisition case as claimed in claim 1, is characterized in that described gaseous sample gathers hole and is provided with rubber plug, and described air equalizer opening is provided with rubber plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080040.7U CN203732330U (en) | 2014-02-25 | 2014-02-25 | Fixed-point continuous acquisition box for greenhouse gas at soil-atmosphere interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080040.7U CN203732330U (en) | 2014-02-25 | 2014-02-25 | Fixed-point continuous acquisition box for greenhouse gas at soil-atmosphere interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732330U true CN203732330U (en) | 2014-07-23 |
Family
ID=51202393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420080040.7U Expired - Lifetime CN203732330U (en) | 2014-02-25 | 2014-02-25 | Fixed-point continuous acquisition box for greenhouse gas at soil-atmosphere interface |
Country Status (1)
| Country | Link |
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| CN (1) | CN203732330U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258982A (en) * | 2015-09-21 | 2016-01-20 | 浙江省农业科学院 | Dry land gas collector |
| CN106018015A (en) * | 2016-08-05 | 2016-10-12 | 福建师范大学 | Static box for measuring methane transmission rate of mangrove forest trunks |
| CN106053155A (en) * | 2016-07-25 | 2016-10-26 | 河南省农业科学院植物营养与资源环境研究所 | Small static chamber for farmland greenhouse gas monitoring and sampling |
| CN106248440A (en) * | 2016-07-25 | 2016-12-21 | 河南省农业科学院植物营养与资源环境研究所 | Farmland greenhouse gas monitoring sampling apparatus |
| CN106323699A (en) * | 2015-11-29 | 2017-01-11 | 杭州跟策科技有限公司 | Dry land gas collector |
| CN110221039A (en) * | 2019-05-27 | 2019-09-10 | 中国地震局工程力学研究所 | A kind of sales kit (SK) for the detection of sand saturation degree |
-
2014
- 2014-02-25 CN CN201420080040.7U patent/CN203732330U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258982A (en) * | 2015-09-21 | 2016-01-20 | 浙江省农业科学院 | Dry land gas collector |
| CN105258982B (en) * | 2015-09-21 | 2017-11-24 | 浙江省农业科学院 | Nonirrigated farmland gas collector |
| CN106323699A (en) * | 2015-11-29 | 2017-01-11 | 杭州跟策科技有限公司 | Dry land gas collector |
| CN106053155A (en) * | 2016-07-25 | 2016-10-26 | 河南省农业科学院植物营养与资源环境研究所 | Small static chamber for farmland greenhouse gas monitoring and sampling |
| CN106248440A (en) * | 2016-07-25 | 2016-12-21 | 河南省农业科学院植物营养与资源环境研究所 | Farmland greenhouse gas monitoring sampling apparatus |
| CN106018015A (en) * | 2016-08-05 | 2016-10-12 | 福建师范大学 | Static box for measuring methane transmission rate of mangrove forest trunks |
| CN110221039A (en) * | 2019-05-27 | 2019-09-10 | 中国地震局工程力学研究所 | A kind of sales kit (SK) for the detection of sand saturation degree |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
|
| CX01 | Expiry of patent term |