Soil moisture characteristic line measuring device and measuring method thereof
A technology of soil moisture and measuring devices, which is applied in the directions of measuring devices, analyzing materials, and material analysis through electromagnetic means, which can solve the problems of high measurement cost, low precision, and small range, and achieve the effect of easy use and accurate measurement
Active Publication Date: 2020-04-10
CHINA AGRI UNIV
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[0006] In view of the above-mentioned technical defects and application requirements, the embodiment of the present invention provides a soil moisture characteristic line measurement device and its measurement method, which are used to solve the problems of high cost, small range and low precision of the existing moisture characteristic line measurement, and realize in-situ measurement Soil Moisture Characteristic Line
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[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0036] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected...
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The invention relates to the field of soil parameter detection, and discloses a soil moisture characteristic line measuring device and a measuring method thereof. the soil moisture characteristic linemeasuring device comprises a plurality of detection units, a measuring unit and a switching unit, wherein each detection unit is provided with an emitting electrode and a receiving electrode, and isfilled with a porous material; the measuring unit is electrically connected with the emitting electrode and the receiving electrode of each detection unit, controls the emitting electrode of each detection unit to emit a pulse signal, and controls the receiving electrode of each detection unit to receive the pulse signal; and the switching unit is electrically connected with the emitting electrodeand the receiving electrode of each detection unit, and is used for switching the detection units to enable each detection unit to respectively emit or receive the pulse signal. According to the soilmoisture characteristic line measuring device provided by the invention, the emitting electrodes and the receiving electrodes of the plurality of detection units are respectively switched by means ofthe switching unit, and the moisture and water potential of the soil to be measured are measured and calculated, so that a moisture characteristic line of the soil to be measured is obtained, the in-situ rapid monitoring of the soil moisture characteristic line is realized, the use is simple and convenient, and the measurement is precise.
Description
technical field [0001] The invention relates to the field of soil parameter detection, in particular to a soil moisture characteristic line measuring device and a measuring method thereof. Background technique [0002] The soil moisture characteristic line refers to the relationship between soil water potential and soil water content, that is, energy and quantity, which can reflect the water holding and water release characteristics of different soils, and can also obtain other soil moisture constants and characteristic indicators, such as specific water Capacity, field water capacity, soil water supply, soil porosity, soil texture, etc. In addition, because the effectiveness of soil moisture to crops depends on the level of soil potential energy, rather than its own water content, it is also possible to judge the soil moisture content for crops through the soil moisture characteristic line and the soil constant obtained from it. Effectiveness. Therefore, the soil moisture...
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IPC IPC(8): G01N27/00
CPCG01N27/00
Inventor 程强徐嫱于淞向阳
Owner CHINA AGRI UNIV
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