CN210181005U - Soil evaporation and plant transpiration steam collection and measurement device - Google Patents
Soil evaporation and plant transpiration steam collection and measurement device Download PDFInfo
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- CN210181005U CN210181005U CN201920819204.6U CN201920819204U CN210181005U CN 210181005 U CN210181005 U CN 210181005U CN 201920819204 U CN201920819204 U CN 201920819204U CN 210181005 U CN210181005 U CN 210181005U
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- water vapor
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- evapotranspiration
- evaporation
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Abstract
The utility model relates to an evaporation, transpiration steam collect measuring device technical field, especially relate to a soil evaporation and plant transpiration steam collect measuring device, include: the evapotranspiration reaction chamber is used for collecting evaporated and transpired water vapor of soil and plants; the evapotranspiration water vapor collector is used for condensing the evapotranspiration water vapor; the transpiration water vapor collector is provided with a collecting bottle for containing the transpiration water vapor; the air suction pump is connected with the collecting bottle and used for sucking air in the collecting bottle and keeping the air in a negative pressure state; connecting line, connecting line's one end is followed evapotranspiration reaction chamber stretches out, connecting line's the other end is followed the receiving flask stretches into, is used for realizing evapotranspiration reaction chamber evaporation, transpiration steam pass through connecting line gets into the inside of receiving flask, simultaneously, the utility model has the characteristics of easy operation, with low costs.
Description
Technical Field
The utility model relates to an evaporation, transpiration steam collect measuring device, concretely relates to measurement device is collected to evaporation of farmland yardstick soil and plant transpiration steam normal position belongs to hydrology, irrigation and water conservancy and ecology technical field.
Background
Research on water balance and evapotranspiration process is an important aspect of hydrologic cycle research; the accurate observation and calculation of the actual evaporation capacity of the earth surface have very important significance for knowing the water circulation characteristics under the climate change condition and realizing the sustainable development and utilization of regional water resources; in order to conveniently and effectively measure the plant transpiration amount and the soil evaporation amount, and simultaneously provide a simple and easy-to-use instrument with high test precision and good stability for water utilization research, the prior farmland scale transpiration mainly adopts a large-scale transpiration instrument or a remote sensing interpretation method.
However, the cost of the former is high, and the use of a large lysimeter in a general experiment is not practical; the installation, observation and daily maintenance processes are complex, the use requirement is high, and the requirement on the professional degree of operating technicians is high, so that the application range is narrow; the latter has low measurement accuracy, and large system or operation errors are often inevitably generated in the actual use process, so that the result has low credibility, is influenced by the weather of an observation area, and has discontinuity on a time scale.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a measuring device is collected to soil evaporation and plant transpiration steam to solve at least among the prior art because the instrument is complicated and the operation degree of difficulty that leads to is big, problem with high costs.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to the utility model discloses an aspect provides a soil evaporation and plant transpiration steam collection measuring device, the device includes: the evapotranspiration reaction chamber is used for collecting evaporated and transpired water vapor; the evapotranspiration water vapor collector is used for condensing the evapotranspiration water vapor; the transpiration water vapor collector is provided with a collecting bottle for containing the transpiration water vapor; the air suction pump is connected with the collecting bottle and used for sucking air in the collecting bottle and keeping the air in a negative pressure state; and one end of the connecting pipeline extends out of the evapotranspiration reaction chamber, and the other end of the connecting pipeline extends into the collecting bottle from the collecting bottle, so that the evaporation and transpiration water vapor of the evapotranspiration reaction chamber enters the collecting bottle through the connecting pipeline.
Furthermore, the connecting pipeline is provided with a first valve, and the first valve is positioned at the top of the evapotranspiration reaction chamber.
Furthermore, the bottom of the evaporation and diffusion reaction chamber is provided with a plurality of fans, and the fans are provided with sealing baffles.
Furthermore, the evapotranspiration water vapor collector is provided with a heat-insulating barrel which is used for containing condensed liquid.
Furthermore, a rubber plug is arranged at the opening of the heat-insulating barrel.
Further, the collecting bottle is arranged inside the heat-preserving barrel.
Furthermore, the top of the collecting bottle is provided with a connecting port, and the connecting port comprises a first connecting port and a second connecting port.
Furthermore, the other end of the connecting pipeline is connected with the first connecting port, and the air suction pump is connected with the second connecting port.
The utility model has the advantages of as follows:
the utility model provides a soil evaporation and plant transpiration water vapor collection and measurement device, which comprises a transpiration reaction chamber for collecting transpiration water vapor; the evapotranspiration water vapor collector is used for condensing and evaporating and transpiring water vapor; the transpiration water vapor collector is provided with a collecting bottle for containing the transpiration water vapor; the air suction pump is connected with the collecting bottle and used for sucking air in the collecting bottle and keeping the air in a negative pressure state; connecting tube, connecting tube's one end is stretched out from evaporating the reacting chamber, and connecting tube's the other end stretches into from the receiving flask for the transpiration steam that realizes evaporating the reacting chamber passes through the inside that connecting tube got into the receiving flask, the utility model discloses simple structure, the device is small and exquisite, area is little, easily installation, be convenient for carry on the collection and the observation that soil and plant evaporate the steam that gives off steam anytime and anywhere, and the routine maintenance process is simple, and use cost is low.
Two, the utility model provides a soil evaporation and plant transpiration steam collect measuring device can collect transpiration steam for the further analysis of isotope or chemical composition.
Three, the utility model provides a measuring device is collected to soil evaporation and plant transpiration steam, the evapotranspiration volume that the weighing method measured and obtained can be used to observe the correction of regional remote sensing evapotranspiration volume.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural view of a device for collecting and measuring soil evaporation and plant transpiration water vapor provided by the present invention;
in the figure: 1-evapotranspiration reaction chamber; 11-organic glass cover; 12-a fan; 13-a first valve; 2-connecting a pipeline; 3-a collector for steam and water vapor; 31-a heat-preserving barrel; 32-a collection bottle; 33-a second valve; 4-micro air pump.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Example 1
As shown in fig. 1, the utility model provides a soil evaporation and plant transpiration water vapor collection and measurement device, which comprises a transpiration reaction chamber 1 for collecting evaporation and transpiration water vapor; a transpiration water vapor collector 3 for condensing, evaporating and transpiring water vapor; the transpiration water vapor collector 3 is provided with a collecting bottle 32 for containing the transpiration water vapor; the micro air suction pump 4 is connected with the collecting bottle 32, and is used for pumping air in the collecting bottle 32 and keeping the air in a negative pressure state; connecting line 2, connecting line 2's one end is followed the evapotranspiration reaction chamber 1 and is stretched out, and connecting line 2's the other end stretches into from receiving flask 32 for the evaporation that realizes evapotranspiration reaction chamber 1, the inside that transpiration steam passes through connecting line 2 and gets into receiving flask 32, the utility model discloses simple structure, the device is small and exquisite, area is little, easily installation, be convenient for carry out the collection and the observation of soil evaporation and plant transpiration steam anytime and anywhere, and the routine maintenance process is simple, and use cost is low.
Example 2
In order to realize that the evaporation transpiration steam that control transpiration reacting chamber 1 discharges along connecting tube 2, the utility model provides a measuring device is collected to soil and plant transpiration steam, connecting tube 2 is equipped with first valve 13, and rotatory first valve 13 realizes that organic glass cover 11 is airtight or realizes the intercommunication with receiving flask 32.
Example 3
In order to prevent the influence of greenhouse effect to natural evapotranspiration process and vapor volume, the utility model provides a measuring device is collected to soil evaporation and plant transpiration steam, the bottom that evapotranspires and gives off reacting chamber 1 is equipped with two fans 12, and fan 12 is equipped with sealing baffle, before evaporating, transpiration steam is collected, opens sealing baffle for interior cooling and circulation of air of organic glass cover 11 avoid system error.
Example 4
In order to realize condensing the evaporation transpiration steam of splendid attire in the receiving flask 32 so that weigh, the utility model provides a measuring device is collected to soil evaporation and plant transpiration steam, transpiration steam collector 3 is equipped with heat-preserving container 31, and the bung hole of heat-preserving container 31 is equipped with the plug, and connecting line 2's the other end runs through the plug and is connected with receiving flask 32, pours into the liquid nitrogen into in heat-preserving container 31's inside into to arrange receiving flask 32 in heat-preserving container 31's inside, and then realize the evaporation in the receiving flask 32, the condensation of transpiration steam.
Example 5
In order to improve the tightness of the collecting bottle 32, the utility model provides a soil evaporation and plant transpiration steam collection and measurement device, a connecting port is arranged at the top of the collecting bottle 32, the connecting port comprises a first connecting port and a second connecting port, wherein the first connecting port is connected with the other end of the connecting pipeline 2, and the second connecting port is connected with the micro air pump 4; the second connecting port is provided with a second valve 33;
when air extraction is needed, the rubber plug is unscrewed, the micro air extraction pump 4 is connected with the second connecting port, the second valve 33 is opened, numerical values are displayed according to the barometer of the micro air extraction pump 4, when the inside of the collecting bottle 32 is in a negative pressure state, the second valve 33 is closed, the micro air extraction pump 4 is closed, the connection with the second connecting port is disconnected, and then the rubber plug is screwed.
The using method comprises the following steps:
as shown in figure 1, the utility model relates to a soil evaporation and plant transpiration steam collection measuring device's application method, including the following step:
1) firstly, selecting flat soil and a plant with good growth vigor as an observation object, placing a evapotranspiration reaction chamber 1 on the plant and the soil, enabling the plant to be located at the center of an organic glass cover 11 as much as possible, closing a first valve 13, opening a sealing baffle plate, and closing the sealing baffle plate after ventilation for 30-45 s in order to prevent the greenhouse effect in the evapotranspiration reaction chamber 1 from influencing the evapotranspiration process;
2) connecting the pipeline of the micro air pump 4 with the second connecting port, opening a second valve 33 of the second connecting port, and pumping out air in the collecting bottle 32 through the micro air pump 4 to enable the interior of the collecting bottle 32 to be in a negative pressure state;
3) injecting liquid nitrogen into the heat-preserving barrel 31, placing the collecting bottle 32 into the heat-preserving barrel 31, screwing the rubber plug, and keeping the interior of the collecting bottle 32 in a low-temperature freezing environment;
4) the first valve 13 is opened, and the evaporated and transpired water vapor enters the inside of the collection bottle 32 through the connecting pipe 2 and is cooled.
5) According to the research requirement, different measuring time intervals, plots and plant types are selected, during the measuring period, soil in the transpiration reaction chamber 1 is evaporated, evaporation and transpiration steam generated by plant transpiration are condensed into liquid water in the collecting bottle 32 through the connecting pipeline 2.
6) After the measurement is finished, the first valve 13 is closed, the evapotranspiration water sample collected in the collecting bottle 32 is weighed by using an electronic balance, and the water sample is packaged and stored according to the requirement of subsequent analysis and research.
The sequence of the above embodiments is only for convenience of description and does not represent the advantages and disadvantages of the embodiments.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The utility model provides a measuring device is collected to soil evaporation and plant transpiration steam which characterized in that includes:
the evapotranspiration reaction chamber is used for collecting evaporated and transpired water vapor;
the evapotranspiration water vapor collector is used for condensing the evapotranspiration water vapor; the transpiration water vapor collector is provided with a collecting bottle for containing the transpiration water vapor;
the air suction pump is connected with the collecting bottle and used for sucking air in the collecting bottle and keeping the air in a negative pressure state;
and one end of the connecting pipeline extends out of the evapotranspiration reaction chamber, and the other end of the connecting pipeline extends into the collecting bottle from the collecting bottle, so that the evaporation and transpiration water vapor of the evapotranspiration reaction chamber enters the collecting bottle through the connecting pipeline.
2. The soil evaporation and plant transpiration water vapor collection and measurement device of claim 1, wherein the connecting line is provided with a first valve, and the first valve is located at the top of the transpiration reaction chamber.
3. The soil evaporation and plant transpiration water vapor collection and measurement device of claim 2, wherein the bottom of the transpiration reaction chamber is provided with a plurality of fans, and the fans are provided with sealing baffles.
4. The soil evaporation and plant transpiration water vapor collection and measurement device of claim 3, wherein the transpiration water vapor collector is provided with a thermal insulating barrel for containing condensed liquid.
5. The soil evaporation and plant transpiration water vapor collection and measurement device of claim 4, wherein the bung of the thermal bucket is provided with a rubber plug.
6. The soil evaporation and plant transpiration water vapor collection and measurement device of claim 5, wherein the collection bottle is disposed inside the thermal bucket.
7. The soil evaporation and plant transpiration water vapor collection and measurement device as recited in any one of claims 1 to 6, wherein the collection bottle is provided with a connection port at a top thereof, the connection port comprising a first connection port and a second connection port.
8. The soil evaporation and plant transpiration water vapor collection and measurement device according to claim 7, wherein the other end of the connection pipeline is connected to the first connection port, and the suction pump is connected to the second connection port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920819204.6U CN210181005U (en) | 2019-05-31 | 2019-05-31 | Soil evaporation and plant transpiration steam collection and measurement device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920819204.6U CN210181005U (en) | 2019-05-31 | 2019-05-31 | Soil evaporation and plant transpiration steam collection and measurement device |
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| CN210181005U true CN210181005U (en) | 2020-03-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108845A (en) * | 2019-05-31 | 2019-08-09 | 中国地质科学院水文地质环境地质研究所 | A kind of soil evaporation and plant transpiration steam collect measuring device and its application method |
| CN113008727A (en) * | 2021-02-21 | 2021-06-22 | 中国科学院地质与地球物理研究所 | Water vapor recirculation ratio measuring system and measuring method thereof |
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2019
- 2019-05-31 CN CN201920819204.6U patent/CN210181005U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108845A (en) * | 2019-05-31 | 2019-08-09 | 中国地质科学院水文地质环境地质研究所 | A kind of soil evaporation and plant transpiration steam collect measuring device and its application method |
| CN113008727A (en) * | 2021-02-21 | 2021-06-22 | 中国科学院地质与地球物理研究所 | Water vapor recirculation ratio measuring system and measuring method thereof |
| CN113008727B (en) * | 2021-02-21 | 2022-01-25 | 中国科学院地质与地球物理研究所 | Water vapor recirculation ratio measuring system and measuring method thereof |
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