CN104950350A - Multichannel Bowen ratio remote acquiring instrument for surface flux of crop canopy - Google Patents
Multichannel Bowen ratio remote acquiring instrument for surface flux of crop canopy Download PDFInfo
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- CN104950350A CN104950350A CN201410116798.6A CN201410116798A CN104950350A CN 104950350 A CN104950350 A CN 104950350A CN 201410116798 A CN201410116798 A CN 201410116798A CN 104950350 A CN104950350 A CN 104950350A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/02—Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Biodiversity & Conservation Biology (AREA)
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- Environmental Sciences (AREA)
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Abstract
The invention relates to a multichannel Bowen ratio remote acquiring instrument for a surface flux of a crop canopy. The multichannel Bowen ratio remote acquiring instrument is characterized in that a triangular pylon is provided with cross rod fixing clamps, cross rod brackets and a solar cell panel at different heights. Each cross rod bracket is provided with a vertical radiation sensor, a temperature and humidity sensor, a wind speed sensor, a wind direction sensor and a GRPS remote antenna. A heat flux sensor and a soil temperature sensor which are connected with an acquiring controller host computer through leads are embedded into ground. A mobile phone data card is installed in the GPRS remote antenna, and a lithium battery is connected with the GPRS remote antenna at the top of the pylon. An indoor remote network computer can operate a multipath data acquisition instrument computer for downloading data through a network. The multichannel Bowen ratio remote acquiring instrument has advantages of simple structure, convenient operation in mounting the pylon, and easy carrying. The multichannel Bowen ratio remote acquiring instrument performs long-term monitoring on small clinic flux of farmland, forest, grassland and desert, thereby accumulating data, analyzing and evaluating, and providing reliable data for development of ecology, environmental science and earth surface layer system science.
Description
Technical field
The present invention relates to a kind of corps canopy surface flux hyperchannel ripple ratio remote collection instrument.
Background technology
Surface flux is the very important factor affecting the ecosystem, but surface flux measure the item is many, and the time is long, and measuring error is greatly a problem being difficult to overcome.For the problems referred to above, introduce a kind of instrument of the measurement surface flux recently developed--hyperchannel ripple ratio visualizer.This visualizer can realize the synchronous multi-channel GPS observations of surface flux key element, reduces the error that measuring process causes due to human factor, and can be applied to the isolated area of power supply supply bottleneck.
The instrument being widely used in surface flux research at present has ripple ratio instrument, vortex correlation instrument and flicker flux instrument.Computation model mainly contains ripple ratio method (Bowen Ratio-energy Balance Method), Chamber technique, Aerodynamic method etc.Ripple ratio method is compared with additive method, and its maximum advantage is clear physical concept, and computing method are simple, and require that the project measured is few, measuring accuracy is higher under normal circumstances, often can be used as the discrimination standard of other computing method of evapotranspiring of inspection; Simultaneously it can measure the evapotranspiration in the less period, is one of feasible method analyzing the Changing Pattern in time of evapotranspiring; Also can analyze the relation of evapotranspiration and sun net radiation, disclose different area and to evapotranspire the factor of feature and major effect evapotranspiration.At home, mainly started to the research of ripple ratio the later stage eighties 20th century.Current numerous scholar research of each side that utilized ripple ratio instrument to carry out.Although people's frequent application ripple ratio method, domestic ripple ratio instrument is actually rare, the ripple ratio system etc. having domestic transposition type ripple ratio observation apparatus, Taiwan product ripple ratio system and COM PB ELL company of the U.S. to produce of application at present.In order to provide good scientific tools to the scholar of research surface flux, therefore develop a kind of corps canopy surface flux hyperchannel ripple ratio remote collection instrument.Ecology, environmental science and earth surface system the reach of science are of great importance.
Summary of the invention
Based on above-mentioned, the object of the present invention is to provide a kind of corps canopy surface flux hyperchannel ripple ratio remote collection instrument.
Technical scheme of the present invention is:
A kind of corps canopy surface flux hyperchannel ripple ratio remote collection instrument, by triangle pylon, ring flange, cross bar fixing card, over brace, solar panel, column foot seat, earth anchor drill rod, wire rope, the steel wire gaily decorated basket and signal antenna, heat flux sensor, soil temperature sensor, up and down radiation sensor, dry and wet temp humidity sensor, air velocity transducer, wind transducer, GPRS is long-range, solar charging circuit, 12V2A lithium battery, multi-channel data store Acquisition Instrument, telecommunication network computing machine forms.Triangle pylon often saves and screws down be arranged on column foot seat to application method orchid dish, and on triangle pylon, wire rope is strained and fixed by the steel wire gaily decorated basket and earth anchor drill rod.Card is fixed at the added cross bar of establishing of triangle pylon, over brace, solar panel, over brace is installed lower radiation sensor, dry and wet temp humidity sensor, air velocity transducer, wind transducer, GPRS remote antenna, heat flux sensor is imbedded in underground, soil temperature sensor stores Acquisition Instrument with multi-channel data respectively by wire and is connected, be placed in earth's surface up-sampling case built with signal receiving antenna, GPRS is long-range, solar charging circuit, 12V2A lithium battery and multi-channel data store Acquisition Instrument, GPRS long-range in-built enter data in mobile phone card connect lithium battery, the top of sampling box is provided with the signal antenna transmitting cell-phone signal that signal antenna receives tower top installation, data store Acquisition Instrument collection by network by multi-channel data, and by telecommunication network downloaded data.
Advantage of the present invention is:
1, the little triangle pylon of the present invention adopts round steel pipe material to make more piece to assemble, often save length 1 meter, experimentally requirement can increase joint number, sensor cross bar fix and adjust highly convenient, sensor stand is all adopt standard component to exchange, pylon and sensor are installed easily, and tower diameter is carefully very little on sensor impact, ensure that the accuracy of corps canopy surface flux hyperchannel ripple ratio remote collection instrument data acquisition.
2, the multi-channel data that the present invention is arranged stores Acquisition Instrument and can arrange connection multiple sensors and the collection of GPRS remote instruments service data, long term monitoring is carried out to farmland, forest, Grassland and Gobi eremium microclimate flux, accumulation data, analysis and evaluation, for ecology, environmental science and earth surface system the reach of science provide reliable foundation, it is the desirable instrument that field carries out that corps canopy surface flux hyperchannel ripple ratio remote collection measures scientific experimentation.
3, structure of the present invention is simple, easy to operate, easily installs, and is the desirable instrument that field carries out that corps canopy surface flux hyperchannel ripple ratio remote collection measures scientific experimentation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of corps canopy surface flux hyperchannel ripple ratio remote collection instrument, by triangle pylon 1, ring flange 2, card 3 fixed by cross bar, over brace 4, solar panel 5, column foot seat 6, earth anchor drill rod 14, wire rope 15, the steel wire gaily decorated basket 1) and signal antenna 7, heat flux sensor 8, soil temperature sensor 9, upper and lower radiation sensor 10, dry and wet temp humidity sensor 11, air velocity transducer 12, wind transducer 13, GPRS long-range 17, solar panel 18, 12V2A lithium battery 19, multi-channel data acquisition instrument 20, telecommunication network computing machine 22 forms.Triangle pylon 1 diameter 20 millimeters of steel-pipe weldings become the right angle trigonometry pylon of length 1 meter of right-angle side 100 millimeters, often save and screw down be arranged on column foot seat 6 to application method orchid dish 2, on triangle pylon 1, earth anchor drill rod 14 is strained and fixed by the steel wire gaily decorated basket 16 by wire rope 15.Triangle pylon 1 fixes card 3 by setting up cross bar every 2m, and cross bar fixes card 3 fixed transverse rod support 4 and solar panel 5.Over brace 4 is installed lower radiation sensor 10, dry and wet temp humidity sensor 11, air velocity transducer 12 and wind transducer 13, tower top is equipped with GPRS remote antenna 7,1.5m place, column foot seat 6 underground length of embedment heat flux sensor 8 and soil temperature sensor 9.Heat flux sensor 8 stores Acquisition Instrument 20 with multi-channel data with soil temperature sensor 9 respectively by wire and is connected, on column foot seat 6, be placed in earth's surface up-sampling case 23 built with GPRS long-range 17, solar charging circuit 18,12V2A lithium battery 19 and multi-channel data store Acquisition Instrument 20.GPRS long-range 17 in-built enter data in mobile phone card connect lithium battery 19, the top of sampling box 23 is provided with the GPRS remote antenna 7 transmitting cell-phone signal 21 that GPRS remote signal receiving antenna 24 receives tower top installation, multi-channel data store Acquisition Instrument 20 gather data by network by telecommunication network computing machine 22 downloading data, Treatment Analysis.
Multi-channel data store Acquisition Instrument 20 by wire respectively with solar charging circuit 18 and heat flux sensor 8, soil temperature sensor 9, upper and lower radiation sensor 10, dry and wet temp humidity sensor 11, air velocity transducer 12, wind transducer 13 connects, by heat flux sensor 8, soil temperature sensor 9, upper and lower radiation sensor 10, dry and wet temp humidity sensor 11, air velocity transducer 12, the information that the signal antenna 7 that wind transducer 13 and tower top are installed sends, signal receiving antenna 24 receives information, by long-range 17 data transmission systems of GPRS for multi-channel data in conveying sampling box 23 stores Acquisition Instrument 20 mail message, multi-channel data stores Acquisition Instrument 20 carries out flux collection with the sample frequency of average 60 times/H, to farmland corps canopy, in forest, with the soil moisture in the group of Desert of Gobi on grassland, soil heat flux and on the ground wind speed and direction, upper and lower solar radiation, METHOD FOR CONTINUOUS DETERMINATION is carried out in the change of aerial temperature and humidity gradient microclimate.Each sampled data stores Acquisition Instrument 20 by multi-channel data and is stored in card, after by the time having downloaded data with GPRS long-range 17, carries out timely Treatment Analysis by telecommunication network computing machine 22 pairs of data.
Solar charging circuit 18 charges for 12V2A lithium battery 19, and multi-channel data stores Acquisition Instrument 20 and supplies energy by 12V2A lithium battery 19.
Claims (1)
1. a corps canopy surface flux hyperchannel ripple ratio remote collection instrument is by triangle pylon (1), ring flange (2), the fixing card (3) of cross bar, over brace (4), solar panel (5), column foot seat (6), earth anchor drill rod (14), wire rope (15), the steel wire gaily decorated basket (16) and signal antenna (7), heat flux sensor (8), soil temperature sensor (9), upper and lower radiation sensor (10), dry and wet temp humidity sensor (11), air velocity transducer (12), wind transducer (13), GPRS long-range (17), solar charging circuit (18), 12V2A lithium battery (19), multi-channel data stores Acquisition Instrument (20), telecommunication network computing machine (22) forms, triangle pylon (1) often saves and screws down be arranged on column foot seat (6) to application method orchid dish (2), the upper wire rope (15) of triangle pylon (1) is strained and fixed by the steel wire gaily decorated basket (16) and earth anchor drill rod (14), it is characterized in that the fixing card (3) of triangle pylon (1) upper erection cross bar, over brace (4), solar panel (5), over brace (4) is installed lower radiation sensor (10), dry and wet temp humidity sensor (11), air velocity transducer (12), wind transducer (13), GPRS remote antenna (7), sampling box (23) is equipped with signal receiving antenna (24), GPRS long-range (17), solar charging circuit (18), 12V2A lithium battery (19) and multi-channel data store Acquisition Instrument (20), underground is imbedded heat flux sensor (8) and is stored Acquisition Instrument (20) with soil temperature sensor (9) respectively with multi-channel data by wire and be connected, GPRS long-range (17) in-built enter data in mobile phone link and connect lithium battery (19), data store Acquisition Instrument (20) collection by network by multi-channel data, and by telecommunication network computing machine (22) downloading data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410116798.6A CN104950350A (en) | 2014-03-27 | 2014-03-27 | Multichannel Bowen ratio remote acquiring instrument for surface flux of crop canopy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410116798.6A CN104950350A (en) | 2014-03-27 | 2014-03-27 | Multichannel Bowen ratio remote acquiring instrument for surface flux of crop canopy |
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| CN104950350A true CN104950350A (en) | 2015-09-30 |
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| CN201410116798.6A Pending CN104950350A (en) | 2014-03-27 | 2014-03-27 | Multichannel Bowen ratio remote acquiring instrument for surface flux of crop canopy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353838A (en) * | 2016-08-31 | 2017-01-25 | 中国科学院南海海洋研究所 | Tower for observing atmospheric boundary layer underlayer structure and air-sea flux exchange of island reef |
| CN106639497A (en) * | 2016-12-05 | 2017-05-10 | 北京普华亿能风电技术有限公司 | Power supply equipment of wind-shadow-proof anemometer tower |
| CN111290051A (en) * | 2020-04-08 | 2020-06-16 | 中国科学院西北生态环境资源研究院 | Desert meteorological monitoring device and monitoring method thereof |
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| CN2344783Y (en) * | 1998-06-10 | 1999-10-20 | 中国科学院地理研究所 | Transposition type ripple ratio observation apparatus |
| CN201607537U (en) * | 2009-09-01 | 2010-10-13 | 国家气候中心 | Automatic position-changing type Bowen ratio test instrument |
| CN203799030U (en) * | 2014-03-27 | 2014-08-27 | 中国科学院寒区旱区环境与工程研究所 | Multichannel remote surface flux collector of crop canopies |
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2014
- 2014-03-27 CN CN201410116798.6A patent/CN104950350A/en active Pending
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| US4599889A (en) * | 1981-10-20 | 1986-07-15 | S.A.R.L. Dite Industrielle Francaise de Mecanique Flambeau | Apparatus for measuring the real evapotranspiration of a plant cover, for measuring the amount of carbon dioxide exchanged between said plant cover and the atmosphere and for measuring the hydrous state of the ground around the plant cover |
| CN2344783Y (en) * | 1998-06-10 | 1999-10-20 | 中国科学院地理研究所 | Transposition type ripple ratio observation apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353838A (en) * | 2016-08-31 | 2017-01-25 | 中国科学院南海海洋研究所 | Tower for observing atmospheric boundary layer underlayer structure and air-sea flux exchange of island reef |
| CN106639497A (en) * | 2016-12-05 | 2017-05-10 | 北京普华亿能风电技术有限公司 | Power supply equipment of wind-shadow-proof anemometer tower |
| CN106639497B (en) * | 2016-12-05 | 2019-07-02 | 北京普华亿能风电技术有限公司 | A kind of power supply unit of wind resistance shadow anemometer tower |
| CN111290051A (en) * | 2020-04-08 | 2020-06-16 | 中国科学院西北生态环境资源研究院 | Desert meteorological monitoring device and monitoring method thereof |
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Application publication date: 20150930 |