CN209495968U - A kind of meadow greenhouse gases flux on-Line Monitor Device - Google Patents
A kind of meadow greenhouse gases flux on-Line Monitor Device Download PDFInfo
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- CN209495968U CN209495968U CN201920106357.6U CN201920106357U CN209495968U CN 209495968 U CN209495968 U CN 209495968U CN 201920106357 U CN201920106357 U CN 201920106357U CN 209495968 U CN209495968 U CN 209495968U
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- meadow
- greenhouse gases
- pedestal
- static chamber
- gas
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Abstract
The utility model belongs to gas detection technology field, discloses a kind of meadow greenhouse gases flux on-Line Monitor Device, is provided with static chamber；Static chamber lower ending opening, upper end are embedded in there are two rubber stopper with double hole, and a wherein through-hole for two rubber stopper with double hole is equipped with tracheae and thermometer respectively, and tracheae outer sheath is equipped with triple valve, and another through-hole is gas exchanges mouth；Two gas exchanges mouths of static chamber are connected to by gas conduit with the air inlet of gas detecting instrument and venthole；Static chamber exterior bottom is arranged with rubber anti-collision item, is arranged on the outside of rubber anti-collision item and is fixed with pedestal.The utility model disturbance is small, as long as cutting meadow using cutting rack, covers on monitoring sample ground；Weight is light, easy to operate, after good to cabinet and base combination, only need to open instrument air pump and will detect automatically and obtain data and save, be conducive to the long-term expansion of monitoring, remove the storage link of gas from, prevents the accuracy that gas data is influenced during storage.
Description
Technical field
The utility model belongs to gas detection technology field more particularly to a kind of meadow greenhouse gases flux on-line monitoring dress
It sets.
Background technique
Currently, the prior art commonly used in the trade is such that
Static chamber-gas chromatography is to carry out meadow N2O、CH4And CO2Isothermal chamber gas flux field monitoring, it is more general
Method.In this course, the accuracy of greenhouse gases flux data and prairie soil is determined with the size of real value error
Can earth-vegetation system carbon nitrogen cycle be verified.Current more widespread practice is directly buried to cabinet or to it
Then pedestal, which is fixed, to be stuck in cabinet in pedestal by the way that its pedestal is embedded in soil to earth's surface trench digging, then inject water into case
At the sealing of body and pedestal, the isolation with outside air is realized.Syringe sampling is recycled, special gas collecting case is injected,
It transports laboratory back and carries out data processing, at high cost, error is unfavorable for greatly the verifying of experimental result and long-term carry out is tested.
In conclusion problem of the existing technology is:
(1) surface disturbance is larger, causes experimental result deviation larger；It breaks ground, fill the water all can be to soil- wheat ecosystem greenhouse
Gas discharge has an impact；
(2) experimental provision is cumbersome；Static chamber must cooperate gas-chromatography that could complete sample analysis, be unfavorable for analyzing in time
Sample has an impact to expansion long-term experiment；
(3) sample extraction and the process of preservation will have a direct impact on the accuracy of gas data.
Utility model content
In view of the problems of the existing technology, the utility model provides a kind of meadow greenhouse gases flux on-line monitoring dress
It sets.
The utility model is realized in this way a kind of meadow greenhouse gases flux on-Line Monitor Device is provided with
Static chamber；
Static chamber bottom-open, upper end are embedded in there are two rubber stopper with double hole, and a wherein through-hole for two rubber stopper with double hole divides
It is not equipped with two tracheaes and thermometer, tracheae is connected with greenhouse gases detector air inlet/outlet respectively, another through-hole insertion
A piece outside connects the tracheae of triple valve, is reserved as according to specific needs and extraneous gas exchanges mouth；
Static chamber upper end does not have the tracheae of triple valve and portable two-in-one greenhouse gases gas detecting instrument TD400-SH-M2
It is connected to the air inlet of TD600-SH-N2O (having air pump in detector, be switched on automatic work) with venthole；
Static chamber exterior bottom is arranged with rubber anti-collision item, is arranged on the outside of rubber anti-collision item and is fixed with pedestal, on the outside of pedestal
Splicing has pedestal anticollision strip.
The utility model disturbance is small, as long as cutting meadow using cutting rack, covers on monitoring sample ground；It is light-weight, it is a full set of
System weight is no more than 2 kilograms；Easy to operate, after good to cabinet and base combination, only need to open instrument air pump will detect automatically
It obtains data and saves；Price is low, and a full set of system cost is less than 1.0 ten thousand yuan；Precision is high, CO2、CH4Measurement range 0-1000ppm,
Error≤± 3%, N2O 0~50ppm of measurement range, error≤± 1%.
Portable, low price and adaptable feature are had both compared with existing monitoring instrument, are able to satisfy vast research work
The demand of person, ecosystem management side and teaching person to monitoring instrument, it is at low cost, material is light, adaptation to the ground and meet essence
Degree requires, brief practical, is made instantly available concentration data, is conducive to the long-term expansion of monitoring, removes the storage link of gas from, prevent
The accuracy of gas data is influenced during storage.
Further, rubber anti-collision item is hollow outer male structure, and pedestal inner ring is embedded with ring glass sealing strip, rubber anti-collision
Engage on the outside of item with glazing tape.
The rubber anti-collision item of the utility model is hollow to be conducive to preferably to realize being bonded for static chamber and anticollision strip, realizes close
Envelope, evagination are conducive to be fixed with glazing tape.
Further, pedestal lower end is provided with cutting rack, and cutting rack is the ring-shaped iron plate that lower end is put the first edge on a knife or a pair of scissors, the weldering of cutting rack two sides side
It is connected to handle, handle is pierced by the outside of pedestal anticollision strip.
The utility model can be convenient incision soil by cutting rack, ensure that the airtightness on static chamber and ground.In advance
A seam identical with handle length is cut with knife on anticollision strip, cutting rack handle can be penetrated to base rubber anticollision strip,
The connection for realizing pedestal and cutting rack since pedestal is rubber material, therefore may be implemented to seal at handle and base, even if free
Gas enters, and a part of the hollow anticollision strip lower part package cutting rack iron sheet of evagination, top is combined closely with cabinet, so that extraneous
Air can only be trapped in anticollision strip, without influencing actual monitoring result.
Further, pedestal lower end outside is sewed with doormat, and doormat lower end, which is glued, rubber layer.
The utility model can further be completely cut off by doormat to be exchanged with external environment, is improved sealing effect, is passed through rubber
Glue-line can be with waterproof, easy to clean.
Further, static chamber surface is covered with aluminium foil paper layer.
The utility model can prevent from being irradiated by sunlight by aluminium foil paper layer causes case body temperature to increase, and influences to detect
Effect.
Detailed description of the invention
Fig. 1 is meadow greenhouse gases flux on-Line Monitor Device structural schematic diagram provided by the embodiment of the utility model；
Fig. 2 is cutting rack structural schematic diagram provided by the embodiment of the utility model；
Fig. 3 is the CO of Grassland Monitoring provided by the embodiment of the utility model2Concentration profile schematic diagram；
In figure: 1, static chamber；2, rubber stopper；3, tracheae；4, thermometer；5, triple valve；6, handle；7, gas detecting instrument；
8, air inlet；9, venthole；10, rubber anti-collision item；11, pedestal；12, pedestal anticollision strip；13, doormat；14, cutting rack.
Specific embodiment
For the invention, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates
Detailed description are as follows for attached drawing.
As shown in Figure 1 to Figure 3, meadow greenhouse gases flux on-Line Monitor Device packet provided by the embodiment of the utility model
It includes: static chamber 1, rubber stopper 2, tracheae 3, thermometer 4, triple valve 5, handle 6, gas detecting instrument 7, air inlet 8, venthole 9, rubber
Glue anticollision strip 10, pedestal 11, pedestal anticollision strip 12, doormat 13, cutting rack 14.
1 lower ending opening of static chamber, upper end is embedded, and there are two rubber stopper with double hole 2, a wherein through-holes for two rubber stopper with double hole 2
It is equipped with two tracheaes 3 and thermometer 4 respectively, tracheae 3 is connected with 7 air inlet/outlet of greenhouse gases detector respectively, Ling Yitong
The tracheae 3 that an outside connects triple valve 5 is inserted into hole, is reserved as according to specific needs and extraneous gas exchanges mouth；Static chamber 1
Upper end does not have the tracheae 3 of triple valve 5 and portable two-in-one greenhouse gases gas detecting instrument TD400-SH-M2 and TD600-SH-
The air inlet of N2O (having air pump in detector, be switched on automatic work) is connected to venthole；
1 exterior bottom of static chamber is arranged with rubber anti-collision item 10, is arranged on the outside of rubber anti-collision item 10 and is fixed with pedestal 11, base
11 outside of seat, which is glued, pedestal anticollision strip 12.
Preferably, rubber anti-collision item 10 is hollow outer male structure, 11 inner ring of pedestal is embedded with ring glass sealing strip, rubber
10 outside of glue anticollision strip engages with glazing tape.
Preferably, 11 lower end of pedestal is provided with cutting rack 14, cutting rack 14 is the ring-shaped iron plate that lower end is put the first edge on a knife or a pair of scissors, cutting rack
14 two sides side are welded with handle 6.
Preferably, being sewed with doormat 13 on the outside of pedestal anticollision strip 12,13 lower end of doormat, which is glued, rubber layer.
Preferably, 1 surface of static chamber is covered with aluminium foil paper layer.
The working principle of the utility model is:
CO in gas detecting instrument 72Using infrared spectroscopy testing principle, CH4Using catalysis burning/infrared principles, N2O is used
Electrochemical principle, detector increase a venthole, so that two gases of air inlet 8 and venthole 9 and static chamber 1
Mouth connection is exchanged, to achieve the effect that gas recycles in static chamber 1.
Static chamber 1 is made of barrelled water bucket, and excision bottom is used for bottom reception gas, as static chamber.4, thermometer
It sets and slightly puts height, in order to avoid causing error with ground face contact, 3 position of tracheae should be in the middle part of 1 cabinet of static chamber and hanging.
Handle 6 is held by cutting rack 14 in incision soil, ensure that the airtightness of static chamber 1 cabinet and ground, cutting rack
14 are made of annular iron sheet, and bottom is sharp, and handle passes through outside pedestal anticollision strip, can individually remove.In advance in pedestal anticollision
A seam identical with handle length is cut with knife on item 12, handle 6, cutting rack handle and pedestal junction can be penetrated, by
In the reason of the rubber material, it will not leave behind gap, can be closed automatically, without influencing actual monitoring result.It unloads and goes to a grassroots level 11, penetrate
Cutting rack handle 6, then pedestal 11 and anticollision strip 10 are fastened togather, cutting rack 14 is just fixed on static chamber 1 by this, utilizes handle
The insertion of static chamber 1 meadow is opened portable gas detector 7 and is detected, as shown in figure 3, logical by hand 6 and cutting rack 14
It crosses to set greenhouse gases detector 7 and be monitored 45 minutes with 15 minutes for interval, every 15 minutes detectors inside air pump is just
Meeting automatic work draws the gas in static chamber 1 by air inlet 8, and the gas drawn after 1 minute by the discharge of gas outlet 9 is complete
At monitoring, the greenhouse gases data of monitoring period of time are obtained, Fig. 3 is in the CO in Grassland Monitoring2Concentration profile.
The above is only the preferred embodiment to the utility model, is not made in any form to the utility model
Limitation, it is all according to the technical essence of the utility model any simple modification made to the above embodiment, equivalent variations with
Modification, is all within the scope of the technical scheme of the utility model.
Claims (5)
1. a kind of meadow greenhouse gases flux on-Line Monitor Device, which is characterized in that the meadow greenhouse gases flux is supervised online
Device is surveyed to be provided with
Static chamber；
Static chamber bottom-open, upper end are embedded in there are two rubber stopper with double hole, and a wherein through-hole for two rubber stopper with double hole is worn respectively
Equipped with two tracheaes and thermometer, tracheae is connected with greenhouse gases detector air inlet/outlet respectively, and another through-hole is inserted into one
Outside connects the tracheae of triple valve, is reserved as and extraneous gas exchanges mouth；
Static chamber upper end does not have the tracheae of triple valve and the air inlet and outlet of portable two-in-one greenhouse gases gas detecting instrument
Hole connection；
Static chamber exterior bottom is arranged with rubber anti-collision item, is arranged on the outside of rubber anti-collision item and is fixed with pedestal, is glued on the outside of pedestal
There is pedestal anticollision strip.
2. greenhouse gases flux on-Line Monitor Device in meadow as described in claim 1, which is characterized in that during rubber anti-collision item is
Empty outer male structure, pedestal inner ring are embedded with ring glass sealing strip, engage on the outside of rubber anti-collision item with glazing tape.
3. greenhouse gases flux on-Line Monitor Device in meadow as described in claim 1, which is characterized in that pedestal lower end is provided with
Cutting rack, cutting rack are the ring-shaped iron plate that lower end is put the first edge on a knife or a pair of scissors, and cutting rack two sides side is welded with handle.
4. greenhouse gases flux on-Line Monitor Device in meadow as described in claim 1, which is characterized in that on the outside of pedestal anticollision strip
It is sewed with doormat, doormat lower end, which is glued, rubber layer.
5. greenhouse gases flux on-Line Monitor Device in meadow as described in claim 1, which is characterized in that the covering of static chamber surface
There is aluminium foil paper layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920106357.6U CN209495968U (en) | 2019-01-22 | 2019-01-22 | A kind of meadow greenhouse gases flux on-Line Monitor Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920106357.6U CN209495968U (en) | 2019-01-22 | 2019-01-22 | A kind of meadow greenhouse gases flux on-Line Monitor Device |
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| Publication Number | Publication Date |
|---|---|
| CN209495968U true CN209495968U (en) | 2019-10-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920106357.6U Expired - Fee Related CN209495968U (en) | 2019-01-22 | 2019-01-22 | A kind of meadow greenhouse gases flux on-Line Monitor Device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398518A (en) * | 2019-10-16 | 2020-07-10 | 杭州超钜科技有限公司 | Gas flux continuous measurement system and measurement method thereof |
| CN113917091A (en) * | 2021-11-03 | 2022-01-11 | 贵州省山地资源研究所 | Aquaculture waste compost ammonia emission sampling device |
| CN114839326A (en) * | 2022-05-17 | 2022-08-02 | 北控水务(中国)投资有限公司 | Data analysis method for greenhouse gas emission flux on aeration water surface |
-
2019
- 2019-01-22 CN CN201920106357.6U patent/CN209495968U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398518A (en) * | 2019-10-16 | 2020-07-10 | 杭州超钜科技有限公司 | Gas flux continuous measurement system and measurement method thereof |
| CN111398518B (en) * | 2019-10-16 | 2022-09-27 | 杭州超钜科技有限公司 | Gas flux continuous measurement system and measurement method thereof |
| CN113917091A (en) * | 2021-11-03 | 2022-01-11 | 贵州省山地资源研究所 | Aquaculture waste compost ammonia emission sampling device |
| CN114839326A (en) * | 2022-05-17 | 2022-08-02 | 北控水务(中国)投资有限公司 | Data analysis method for greenhouse gas emission flux on aeration water surface |
| CN114839326B (en) * | 2022-05-17 | 2023-09-26 | 北控水务(中国)投资有限公司 | Data analysis method for greenhouse gas emission flux of aerated water surface |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191015 Termination date: 20210122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |