CN205607705U - Utilize sealed farmland greenhouse gases collection system of two -way silica gel ring - Google Patents
Utilize sealed farmland greenhouse gases collection system of two -way silica gel ring Download PDFInfo
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- CN205607705U CN205607705U CN201620303052.0U CN201620303052U CN205607705U CN 205607705 U CN205607705 U CN 205607705U CN 201620303052 U CN201620303052 U CN 201620303052U CN 205607705 U CN205607705 U CN 205607705U
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Abstract
The utility model relates to an utilize sealed farmland greenhouse gases collection system of two -way silica gel ring. Static case and base that this gas collection system set up including the grafting, static case is top seal's drum structure, and the base is both ends open -ended drum structure, static case lower extreme open -ended edge is provided with recess silica gel ring, and recess silica gel ring is around lower extreme opening a week of static case, base upper end open -ended edge is provided with protruding silica gel ring, and protruding silica gel ring encircles base upper end opening a week, the embedding of protruding silica gel ring sets up at recess silica gel intra -annular, static case under shed edge is connected through sealed buckle with the base upper shed is marginal. Utilize sealed farmland greenhouse gases collection system of two -way silica gel ring, field normal position observation is good, the base is to little, portable, the easy operation of transportation of soil disturbance, is fit for farmland multiple spot, the big collection of gaseous sample in batches.
Description
Technical field
This utility model relates to a kind of farmland greenhouse gas harvester utilizing two-way falope ring to seal, and belongs to gas collecting device
Technical field.
Background technology
At present, one of agricultural sources greenhouse gases research hot issue having become as Agro-ecology effect study.According to estimates, agricultural
Source greenhouse gases account for the 14% of Global Emissions of Greenhouse Gas total amount, slow down agricultural sources greenhouse gas emission and become controlling global climate
Change plays an important role.
In agricultural sources greenhouse gases are studied, collection device of greenhouse is the basis of greenhouse gases flux research.At present, domestic
The most general farmland ecosystem greenhouse gases gather assay method mainly static chamber-gas chromatography and field gas analyser
In-situ observation method, wherein static chamber-gas chromatography has the advantage such as low cost, easy to control, easy operation, and static chamber device is subject to
The condition impacts such as material, cost, transport, convenience then present variation, but basic structure remains casing and pedestal is constituted.
The water filling sealing of casing and pedestal is realized by the tank water filling on pedestal, owing to water filling is sealed between described casing and pedestal
In dry farmland greenhouse gases gatherer process, by water condition, traffic condition, tank be fragile etc., limiting factor is affected, gas sample
Product gatherer process is easily disturbed and affects gaseous sample stability.
Sealing about water filling, Chinese patent CN101731110B discloses a kind of note watertight construction.Field described in this patent is former
The casing of the position close growth chamber of intelligent gas includes upper and lower two parts casing, and upper box is the transparent body having lid bottomless, nowel
Body uncovered is bottomless, is provided with tank at lower box upper limb, and it is interior by water-stop that upper box lower edge is placed on tank.
Chinese patent CN 202230068U discloses a kind of static chamber with adjustable volume measuring farmland greenhouse gas discharge.Including
Base, lower layer box body and case lid, connect between described lower layer box body and case lid and have layer box body at least one.Of the present utility model
Effect is that the plant height according to crops chooses the casing number of plies of static chamber, it is possible to design different chi according to the variety classes of crops
Very little casing, it is achieved that the regulation to tank capacity.This static chamber with adjustable volume not only structure is complicated, and operability is with flexible
Property is poor.
Traditional static case is all to arrange air collecting pipe on the differing heights of wall box, it is achieved be acquired the gas of different gas-bearing formations.
Such as, a kind of Soil Trace Gases discharge disclosed in Chinese patent CN104697586A and habitat integrated information collection device.This is adopted
Mode set structure is complicated, very flexible, high to the technological requirement of device.
Utility model content
For the deficiencies in the prior art, this utility model provides a kind of farmland greenhouse gas collection utilizing two-way falope ring to seal dress
Put.
The technical solution of the utility model is as follows:
A kind of farmland greenhouse gas harvester utilizing two-way falope ring to seal, the static chamber arranged including grafting and pedestal, quiet
State case is the cylindrical structure that top seals, and pedestal is the cylindrical structure of both ends open；The edge of static chamber lower ending opening is provided with recessed
Groove falope ring, the lower ending opening of groove falope ring cincture static chamber one week；The edge of pedestal upper end open is provided with protruding falope ring,
Protruding falope ring cincture pedestal upper end open one week；Protruding falope ring embeds and is arranged in groove falope ring；Static chamber under shed limit
Edge is snapped connection by sealing with pedestal upper shed edge.Protruding falope ring, groove falope ring and sealing buckle play sealing jointly
Effect.
Preferably, described static chamber includes the first static chamber, telescopic section and the second static chamber being sequentially connected with from top to bottom；Second
Static chamber sidewall is provided with the fixing bar of multiple vertical direction, the first static chamber is provided with and fixes the sleeve pipe that bar coordinates, described
Bolt jackscrew it is provided with on the sidewall of sleeve pipe；Fixing bar is arranged with sleeve pipe socket；Described telescopic section is fold expansion corrugated pipe.This
Place design advantage be, according to differing heights crops height difference, and same crops different growing stage height not
With, the height of regulation telescopic section, and fix by bolt jackscrew, meet the use requirement of differing heights crops, versatility with
Stability is high.
It is further preferred that the adjustment height of described static chamber is 25～100cm, internal diameter is 25～35cm, external diameter be 30～
40cm；The height of described pedestal is 15～25cm, and internal diameter is 25～35cm, and external diameter is 30～40cm.
Preferably, aerofoil fan, thermometer probe and air inlet rod it are provided with in described static chamber；Aerofoil fan connects storage battery, temperature
Degree meter probe connects digital display thermometer.
It is further preferred that described air inlet rod is slidably arranged on static chamber top.Can be gathered by the height of regulation air inlet rod
In static chamber, the gas sample in differing heights space, with strong points.
It is further preferred that the end of described air inlet rod is provided with collection device；Described collection device is through with the end of air inlet rod
Connect.By the gas within collection device uniform collection static chamber, and improve collection and confinement of gases efficiency.
Described collection device is lateral collection pipe；It is provided with multiple blowhole on the sidewall of described lateral collection pipe；Or, described
Collection device is inverted cone catcher, and the open top of inverted cone catcher is through with the end of air inlet rod to be connected, and inverted cone is collected
The bottom of device is provided with multiple air inlet.Avoid and many collecting pipes are set on wall box carry out gas collecting, simple in construction,
Motility is high.
Preferably, the vertical section of described protruding falope ring and groove falope ring is triangle.
Preferably, the sidewall of described pedestal is provided with multiple passage.Passage realizes the gas exchange inside and outside pedestal in soil,
Make gaseous sample more representative.
A kind of method utilizing above-mentioned collection device of greenhouse to carry out greenhouse gases collection, comprises the following steps that
1) more than 2h is shifted to an earlier date, by 1/2～3/4 insertion soil layer of pedestal, if to pinpoint mensuration for a long time；In advance 24h with
On pedestal is inserted soil layer；In advance pedestal is inserted soil layer and avoids the disturbance to static chamber internal gas, improve the accurate of experiment
Property.
2) overlaying above pedestal by static chamber, protruding falope ring embeds in groove falope ring, closes and seals buckle；Protruding silica gel
Ring and groove falope ring mutually extrude generation elastic deformation, play sealing function；
3) move up and down the height of regulation air inlet rod, determine that gaseous sample gathers position；
4) starting timing after gas in case stablizes 4～6min, and gather gaseous sample by sample tap, per interval t gathers
Multiple gaseous samples, read the temperature in static chamber by digital display thermometer simultaneously；
5), after gas collecting completes, open and seal buckle, static chamber and base-separation, make static chamber ventilate.
Preferably, the method that described greenhouse gases gather, also include the step regulating static chamber height；Concrete steps include: root
Height according to different plants is different, is regulated the height of static chamber accordingly by telescopic section；Or, for same plant in difference
The differing heights of growth stage, regulates the height of static chamber accordingly by telescopic section.
Preferably, described step 3) in also include the step that utilizes aerofoil fan mixed gas；Open aerofoil fan, axial flow wind
Fan is by the gas mix homogeneously in static chamber.This step can make the gaseous sample within static chamber evenly, and beneficially sample is equal
Matter, stability.
Having the beneficial effect that of this utility model
1, the farmland greenhouse gas harvester utilizing two-way falope ring to seal described in the utility model, by static chamber and pedestal
On mechanical seal structure is set, realize sealing by silica gel pad, not only air-tightness is good, save water filling seal process, and silica gel
Sheet is easily changed, it is easy to safeguard；
2, the farmland greenhouse gas harvester utilizing two-way falope ring to seal described in the utility model, field in-situ observation is good,
Pedestal is little to soil disturbance, it is portable to transport, easily operate, and is suitable for the collection of farmland multiple spot, in high volume gaseous sample.
Accompanying drawing explanation
Fig. 1 is the structural representation of the farmland greenhouse gas harvester utilizing two-way falope ring to seal described in the utility model；
Fig. 2 is the structural representation being provided with farmland greenhouse gas harvester；
Fig. 3 is protruding falope ring and the structural representation of groove falope ring；
Fig. 4 is the structural representation of lateral collection pipe；
Fig. 5 is the structural representation of inverted cone catcher；
Wherein, 1, static chamber；2, pedestal；3, protruding falope ring；4, groove falope ring；5, air inlet rod；6, sample tap；
7, storage battery；8, digital display thermometer；9, thermometer probe；10, buckle is sealed；11, passage；12, telescopic section；13、
Sleeve pipe；14, bolt jackscrew；15, lateral collection pipe；16, fixing bar；17, blowhole；18, inverted cone catcher；19、
First static chamber；20, the second static chamber.
Detailed description of the invention
Below by embodiment and combine accompanying drawing this utility model is described further, but it is not limited to this.
Embodiment 1
As shown in Figure 1.
A kind of farmland greenhouse gas harvester utilizing two-way falope ring to seal, the static chamber 1 arranged including grafting and pedestal 2,
The cylindrical structure that static chamber 1 seals for top, pedestal 2 is the cylindrical structure of both ends open；The edge of static chamber 1 lower ending opening
Being provided with groove falope ring 4, groove falope ring 4 is around the lower ending opening one week of static chamber 1；The edge of pedestal 2 upper end open
Being provided with protruding falope ring 3, protruding falope ring 3 was around pedestal 2 upper end open one week；Protruding silica gel 3 ring embedding is arranged on recessed
In groove falope ring 4；Static chamber 1 under shed edge is connected by sealing buckle 10 with pedestal 2 upper shed edge.Protruding falope ring
3, groove falope ring 4 and sealing buckle 10 play sealing function jointly.
Embodiment 2
As shown in Figure 2.
Utilizing the farmland greenhouse gas harvester that two-way falope ring seals as described in Example 1, its difference is, described quiet
State case 1 includes the first static chamber 19, telescopic section 12 and the second static chamber 20 being sequentially connected with from top to bottom；Second static chamber 20
Sidewall is provided with the fixing bar 16 of three vertical directions, the first static chamber 19 is provided with and fixes the sleeve pipe 13 that bar 16 coordinates,
It is provided with bolt jackscrew 14 on the sidewall of described sleeve pipe 13；Fixing bar 16 is arranged with sleeve pipe 13 socket；Described telescopic section 12 is
Fold expansion corrugated pipe.The advantage herein designed is, according to the difference of differing heights crops height, and same crops are not
Height with growth period is different, the height of regulation telescopic section 12, and is fixed by bolt jackscrew 14, meets differing heights agriculture
The use requirement of crop, versatility and stability are high.The adjustment height of described static chamber 1 is 25～100cm, and internal diameter is 30cm,
External diameter is 35cm；The height of described pedestal 2 is 20cm, and internal diameter is 30cm, and external diameter is 35cm.
Embodiment 3
Utilizing the farmland greenhouse gas harvester that two-way falope ring seals as described in Example 1, its difference is, described quiet
Aerofoil fan, thermometer probe 9 and air inlet rod 5 it is provided with in state case 1；Aerofoil fan connects storage battery 7, and thermometer probe 9 is even
Connect digital display thermometer 8.
Embodiment 4
Utilizing the farmland greenhouse gas harvester that two-way falope ring seals as described in Example 3, its difference is, described in enter
Gas rod 5 is slidably arranged on static chamber 1 top.Differing heights in static chamber 1 can be gathered by the height of regulation air inlet rod 5
Gas sample in space, with strong points.
Embodiment 5
Utilizing the farmland greenhouse gas harvester that two-way falope ring seals as described in Example 3, its difference is, described in enter
The end of gas rod 5 is provided with collection device；Described collection device is through with the end of air inlet rod 5 to be connected.Equal by collection device
Gas within even collection static chamber 1, and improve collection and confinement of gases efficiency.
Embodiment 6
As shown in Figure 4.
Utilizing the farmland greenhouse gas harvester that two-way falope ring seals as described in Example 5, its difference is, described receipts
Packaging is set to lateral collection pipe 15；Multiple blowhole 17 it is provided with on the sidewall of described lateral collection pipe 15.
Embodiment 7
As shown in Figure 5.
Utilizing the farmland greenhouse gas harvester that two-way falope ring seals as described in Example 5, its difference is, described receipts
Packaging is set to inverted cone catcher 18, and the open top of inverted cone catcher 18 is through with the end of air inlet rod 5 to be connected, rounding
The bottom of cone catcher 18 is provided with multiple air inlet.Avoid and many collecting pipes are set on wall box carry out gas collecting,
Simple in construction, motility is high.
Embodiment 8
Utilizing the farmland greenhouse gas harvester that two-way falope ring seals as described in Example 1, its difference is, described convex
The vertical section playing falope ring 3 and groove falope ring 4 is triangle.
Embodiment 9
As shown in Figure 3.
Utilizing the farmland greenhouse gas harvester that two-way falope ring seals as described in Example 1, its difference is, described base
It is provided with multiple passage 11 on the sidewall of seat.Passage 11 realizes the gas exchange inside and outside pedestal 2 in soil, makes gas sample
Product are more representative.
Claims (9)
1. the farmland greenhouse gas harvester utilizing two-way falope ring to seal, it is characterised in that include that grafting is arranged quiet
State case and pedestal, static chamber is the cylindrical structure that top seals, and pedestal is the cylindrical structure of both ends open；Static chamber lower ending opening
Edge be provided with groove falope ring, groove falope ring is around the lower ending opening one week of static chamber；The edge of pedestal upper end open sets
It is equipped with protruding falope ring, protruding falope ring cincture pedestal upper end open one week；Protruding falope ring embeds and is arranged in groove falope ring；
Static chamber under shed edge is snapped connection by sealing with pedestal upper shed edge.
Utilize the farmland greenhouse gas harvester that two-way falope ring seals the most according to claim 1, it is characterised in that institute
State the first static chamber, telescopic section and the second static chamber that static chamber includes being sequentially connected with from top to bottom；Second static chamber sidewall is arranged
There is the fixing bar of multiple vertical direction, the first static chamber is provided with and fixes the sleeve pipe that bar coordinates, the sidewall of described sleeve pipe sets
It is equipped with bolt jackscrew；Fixing bar is arranged with sleeve pipe socket；Described telescopic section is fold expansion corrugated pipe.
Utilize the farmland greenhouse gas harvester that two-way falope ring seals the most according to claim 1, it is characterised in that institute
Aerofoil fan, thermometer probe and air inlet rod it is provided with in stating static chamber；Aerofoil fan connects storage battery, and thermometer probe connects number
Aobvious thermometer.
Utilize the farmland greenhouse gas harvester that two-way falope ring seals the most according to claim 3, it is characterised in that institute
State air inlet rod and be slidably arranged on static chamber top.
Utilize the farmland greenhouse gas harvester that two-way falope ring seals the most according to claim 3, it is characterised in that institute
The end stating air inlet rod is provided with collection device；Described collection device is through with the end of air inlet rod to be connected.
Utilize the farmland greenhouse gas harvester that two-way falope ring seals the most according to claim 1, it is characterised in that institute
The vertical section stating protruding falope ring and groove falope ring is triangle.
Utilize the farmland greenhouse gas harvester that two-way falope ring seals the most according to claim 1, it is characterised in that institute
State and on the sidewall of pedestal, be provided with multiple passage.
Utilize the farmland greenhouse gas harvester that two-way falope ring seals the most according to claim 5, it is characterised in that institute
Stating collection device is lateral collection pipe；It is provided with multiple blowhole on the sidewall of described lateral collection pipe.
Utilize the farmland greenhouse gas harvester that two-way falope ring seals the most according to claim 5, it is characterised in that institute
Stating collection device is inverted cone catcher, and the open top of inverted cone catcher is through with the end of air inlet rod to be connected, and inverted cone is received
The bottom of storage is provided with multiple air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620303052.0U CN205607705U (en) | 2016-04-12 | 2016-04-12 | Utilize sealed farmland greenhouse gases collection system of two -way silica gel ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620303052.0U CN205607705U (en) | 2016-04-12 | 2016-04-12 | Utilize sealed farmland greenhouse gases collection system of two -way silica gel ring |
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| CN205607705U true CN205607705U (en) | 2016-09-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699134A (en) * | 2016-04-12 | 2016-06-22 | 山东省农业科学院农业资源与环境研究所 | Farmland greenhouse gas collecting device sealed by bidirectional silica gel rings and application of farmland greenhouse gas collecting device |
| CN110501192A (en) * | 2019-08-21 | 2019-11-26 | 中国水利水电科学研究院 | A kind of constant temperature, closed soil respiration collection device |
| CN111721892A (en) * | 2020-06-29 | 2020-09-29 | 黑龙江省农业科学院耕作栽培研究所 | Farmland greenhouse gas monitoring device |
-
2016
- 2016-04-12 CN CN201620303052.0U patent/CN205607705U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699134A (en) * | 2016-04-12 | 2016-06-22 | 山东省农业科学院农业资源与环境研究所 | Farmland greenhouse gas collecting device sealed by bidirectional silica gel rings and application of farmland greenhouse gas collecting device |
| CN110501192A (en) * | 2019-08-21 | 2019-11-26 | 中国水利水电科学研究院 | A kind of constant temperature, closed soil respiration collection device |
| CN110501192B (en) * | 2019-08-21 | 2020-09-25 | 中国水利水电科学研究院 | Constant-temperature and airtight soil respiration collection device |
| CN111721892A (en) * | 2020-06-29 | 2020-09-29 | 黑龙江省农业科学院耕作栽培研究所 | Farmland greenhouse gas monitoring device |
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