CN201035023Y - Multiple automatic flux box sample-taking analytical apparatus - Google Patents
Multiple automatic flux box sample-taking analytical apparatus Download PDFInfo
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- CN201035023Y CN201035023Y CNU2007201429560U CN200720142956U CN201035023Y CN 201035023 Y CN201035023 Y CN 201035023Y CN U2007201429560 U CNU2007201429560 U CN U2007201429560U CN 200720142956 U CN200720142956 U CN 200720142956U CN 201035023 Y CN201035023 Y CN 201035023Y
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- infrared
- flux
- air pump
- analyser
- gas path
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Abstract
The utility model discloses a sampling and analysis device of automatic flux box. The sampling and analysis device of automatic flux box comprises an infrared CO2 analysis instrument, a buffer, a dryer, a filter, a flow meter, an air pump, a data collector and a plurality of flux box. The data collector is connected with the infrared CO2 analysis instrument through circuit. A gas inlet of the infrared CO2 analysis instrument is connected with the flow meter, the filter, the dryer and the buffer through gas path pipe. A multi-way valve is separated into a plurality of branch. An electromagnetic valve communicated with the flux box is arranged on every branch to form inflow gas path. A gas outlet of the infrared CO2 analysis instrument is connected with the air pump through gas path pipe. The air pump is connected with the multi-way valve. The multi-way valve is separated into a plurality of branch. The electromagnetic valve communicated with the flux box is arranged on every branch to form outflow gas path. The electromagnetic valve on the gas path is connected with a logical controller. The utility model can continuous sample and analysis on a plurality of spot when measuring with the advantages of little disturbance to the observed object and high measuring accuracy.
Description
Technical field
The utility model relates to terrestrial ecosystems monitoring field, a kind of specifically CO that monitors between terrestrial ecosystems and atmosphere
2The sampling and analyzing device of exchange flux.
Background technology
CO between terrestrial ecosystems and atmosphere
2Exchange is the most important components of global carbon, is to judge that terrestrial ecosystems are important indicators of " carbon source " or " carbon remittance ".Scientifically measure its CO
2The exchange flux is one of core work of terrestrial ecosystems carbon cycle research always.Improving the efficient of observation and reduce the interference of observation to nature, is accurately CO between the terrestrial ecosystems on estimation area and the global yardstick and atmosphere of science
2The key of exchange capacity.Be preferably at present and adopt the infrared CO of automatic dynamic flux case
2The analyser method is monitored, and still, can not realize adopting a plurality of flux casees that the continuous sampling monitoring is carried out in a plurality of places.At present, the sampling and analyzing device in the recording geometry is provided with unreasonable, when carrying out data observation, only can sample, and control technology is complicated and expensive, simultaneously to one or limited several places, the continuity of sampling is not enough, and is bigger to the object of observation disturbance, and then the accuracy of influence measurement.
Summary of the invention
The purpose of this utility model can be implemented in a plurality of places for providing a kind of very economical, circulating sampling analysis continuously, and in-site detecting, less to the object of observation disturbance, the how automatic flux case sampling and analyzing device that measuring accuracy is high.
The technical scheme that realizes the foregoing invention purpose is as follows:
Many flux case sampling and analyzing devices automatically comprise infrared CO
2Analyser, impact damper, exsiccator, filtrator, flowmeter, air pump, data acquisition unit and a plurality of flux case, described data acquisition unit is by circuit and infrared CO
2Analyser connects, infrared CO
2The air intake opening of analyser is connected with flowmeter, filtrator, exsiccator, impact damper successively by gas path pipe, impact damper is connected with a multiport valve, and multiport valve is told some branch roads, and each branch road is connected with a flux case after being provided with a solenoid valve, form and flow into gas circuit, infrared CO
2The gas outlet of analyser connects an air pump by gas path pipe, air pump connects a multiport valve, and this multiport valve is told some branch roads, and each branch road is connected with a flux case after being provided with a solenoid valve, form and flow out gas circuit, the solenoid valve on the gas circuit is connected with a logic controller.
Described flux box cover is provided with a snorkel and is communicated with inside and outside the flux case.
The number of described flux case can determine that generally more than 6,30 just can reach requirement once according to actual conditions, and effect adopts 18-20 to get final product preferably.
The utility model is when adopting a plurality of flux casees at a plurality of places circulatory monitoring, a flux case flows out gas circuit and constitutes one group with two solenoid valves that flow on the gas circuit, when measuring sampling, controlling one group of solenoid valve of same flux case opens simultaneously, other electromagnetic valve group are closed, under the air pump effect, effluent air all will flow through the solenoid valve that control flows into gas circuit earlier via pipeline from this flux case, the control of then flowing through flows into the multiport valve of gas circuit, afterwards, through impact damper, exsiccator, filtrator, flowmeter, enter CO
2Analyser is analyzed the back that finishes and is flowed out CO
2Analyser flows out the multiport valve of gas circuit, the solenoid valve of control backflow gas circuit via control subsequently, flows back to the flux case, constitutes closed cycle.According to written program in advance, logic controller is by regular hour and sequential control inflow that links to each other with the flux case and the solenoid valve switching of flowing out gas circuit.The utility model is by logic controller, solenoid valve and multiport valve, realized with an analyser in a plurality of places circulating sampling in chronological order, broken through the technology barrier of STUDY ON SPATIAL VARIABILITY, adopt in-situ monitoring, little during measurement to the object of observation disturbance, the measurement precision height.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, flux case sampling and analyzing device comprises infrared CO automatically
2Analyser, impact damper, exsiccator, filtrator, flowmeter, air pump, data acquisition unit and a plurality of flux case, described data acquisition unit is by circuit and infrared CO
2Analyser connects, infrared CO
2The air intake opening of analyser is connected with flowmeter, filtrator, exsiccator, impact damper successively by gas path pipe, impact damper is connected with a multiport valve, multiport valve is told some branch roads, and each branch road is connected with a flux case after being provided with a solenoid valve, forms to flow into gas circuit.Infrared CO
2The gas outlet of analyser connects an air pump by gas path pipe, and air pump connects a multiport valve, and this multiport valve is told some branch roads, and each branch road is connected with a flux case after being provided with a solenoid valve, forms to flow out gas circuit.Solenoid valve on the gas circuit is connected with a logic controller by circuit.Described flux box cover is provided with a snorkel and is communicated with inside and outside the flux case air pressure that tandem-driving bogie is inside and outside.System contains 18 in flux case, and each flux packing list solely constitutes the loop of a closed circulation when work, and the gas in the flux case is under the air pump effect, and via the solenoid valve of this case correspondence, multiport valve, impact damper, exsiccator, filtrator, flowmeter enter CO successively
2Analyser, by analysis after, the another one solenoid valve of the air pump of flowing through, multiport valve, this case correspondence is got back in the flux case of measuring.(need and to set according to measuring, measure CO after the certain hour
2The time, 180s is advisable), under the logic controller effect, switch to next flux case, the used minute of each flux case is an equivalent.Measuring therebetween, under the logic controller effect, to open with measuring corresponding two solenoid valves of flux case, the solenoid valve corresponding with other all flux casees is in closed condition entirely.CO
2Analyser, air pump, exsiccator, flowmeter, impact damper, multiport valve are shared by 18 flux casees.18 flux casees circulate successively, can measure by the long-time continuous circulating sampling under the normal situation of electric power supply, not limited by weather.
Claims (2)
1. many flux case sampling and analyzing devices automatically comprise infrared CO
2Analyser, impact damper, exsiccator, filtrator, flowmeter, air pump, data acquisition unit and a plurality of flux case is characterized by described data acquisition unit by circuit and infrared CO
2Analyser connects, infrared CO
2The air intake opening of analyser is connected with flowmeter, filtrator, exsiccator, impact damper successively by gas path pipe, impact damper is connected with a multiport valve, multiport valve is told some branch roads, and each branch road is connected with a flux case after being provided with a solenoid valve, forms to flow into gas circuit; Infrared CO
2The gas outlet of analyser connects an air pump by gas path pipe, air pump connects a multiport valve, and this multiport valve is told some branch roads, and each branch road is connected with same flux case after being provided with a solenoid valve, form and flow out gas circuit, the solenoid valve on the gas circuit is connected with a logic controller.
2. many flux case sampling and analyzing devices automatically according to claim 1 is characterized by the flux box cover and are provided with inside and outside the snorkel connection flux case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201429560U CN201035023Y (en) | 2007-04-20 | 2007-04-20 | Multiple automatic flux box sample-taking analytical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201429560U CN201035023Y (en) | 2007-04-20 | 2007-04-20 | Multiple automatic flux box sample-taking analytical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201035023Y true CN201035023Y (en) | 2008-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201429560U Expired - Fee Related CN201035023Y (en) | 2007-04-20 | 2007-04-20 | Multiple automatic flux box sample-taking analytical apparatus |
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| CN (1) | CN201035023Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018410A (en) * | 2012-12-11 | 2013-04-03 | 中国长江三峡集团公司 | Online measurement device of gas flux on air-water interface of riverway |
| CN103914001A (en) * | 2013-01-08 | 2014-07-09 | 宝山钢铁股份有限公司 | Multi-gas multi-pipeline circulating sampling control system and control method |
| CN104090077A (en) * | 2014-07-16 | 2014-10-08 | 中冶南方工程技术有限公司 | Multi-channel cyclic sampling gas analysis system with channel self-check function and control method |
| CN104316645A (en) * | 2014-10-09 | 2015-01-28 | 中国科学院地理科学与资源研究所 | Soil CO2, CH4 and N2O flux cooperative measuring device |
| CN105572169A (en) * | 2014-10-14 | 2016-05-11 | 中国科学院沈阳应用生态研究所 | Soil respiration gas multi-channel measuring device and method |
| CN106771078A (en) * | 2017-01-06 | 2017-05-31 | 中国科学院地球化学研究所 | A kind of interface carbon dioxide exchange flux continuous automatic measurement device |
| CN106885875A (en) * | 2015-12-15 | 2017-06-23 | 中国科学院上海生命科学研究院 | A kind of gas flux measuring system |
-
2007
- 2007-04-20 CN CNU2007201429560U patent/CN201035023Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018410A (en) * | 2012-12-11 | 2013-04-03 | 中国长江三峡集团公司 | Online measurement device of gas flux on air-water interface of riverway |
| CN103914001A (en) * | 2013-01-08 | 2014-07-09 | 宝山钢铁股份有限公司 | Multi-gas multi-pipeline circulating sampling control system and control method |
| CN103914001B (en) * | 2013-01-08 | 2016-12-07 | 宝山钢铁股份有限公司 | Many gas multi-pipeline circulating sampling control method |
| CN104090077A (en) * | 2014-07-16 | 2014-10-08 | 中冶南方工程技术有限公司 | Multi-channel cyclic sampling gas analysis system with channel self-check function and control method |
| CN104316645A (en) * | 2014-10-09 | 2015-01-28 | 中国科学院地理科学与资源研究所 | Soil CO2, CH4 and N2O flux cooperative measuring device |
| CN104316645B (en) * | 2014-10-09 | 2016-01-20 | 中国科学院地理科学与资源研究所 | Soil CO 2, CH 4and N 2o flux cooperative determining device |
| CN105572169A (en) * | 2014-10-14 | 2016-05-11 | 中国科学院沈阳应用生态研究所 | Soil respiration gas multi-channel measuring device and method |
| CN106885875A (en) * | 2015-12-15 | 2017-06-23 | 中国科学院上海生命科学研究院 | A kind of gas flux measuring system |
| CN106771078A (en) * | 2017-01-06 | 2017-05-31 | 中国科学院地球化学研究所 | A kind of interface carbon dioxide exchange flux continuous automatic measurement device |
| CN106771078B (en) * | 2017-01-06 | 2023-05-30 | 中国科学院地球化学研究所 | Continuous automatic measuring device of interface carbon dioxide exchange flux |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 |