A soil moisture characteristic line measuring device and its measuring method
A measuring device and soil moisture technology, which is applied in measuring devices, analyzing materials, and analyzing materials through electromagnetic means, 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: 2021-02-26
CHINA AGRI UNIV
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Problems solved by technology
[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 purposes, 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 with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0036] In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechan...
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The invention relates to the field of soil parameter detection, and discloses a soil moisture characteristic line measurement device and a measurement method thereof, including a plurality of detection units, measurement units and switching units; each detection unit is provided with an emitter and a receiver, and the interior is filled with Porous material; the measurement unit is electrically connected to the emitter and receiver of each detection unit, controls the emitter of the detection unit to emit pulse signals, and controls the receiver of the detection unit to receive pulse signals; the switching unit is connected to the emitter and receiver of each detection unit The receiving electrodes are electrically connected and used to switch each detection unit so that each detection unit transmits or receives a pulse signal respectively. The soil moisture characteristic line measurement device provided by the present invention switches the emitters and receivers of multiple detection units respectively through the switching unit, measures and calculates the moisture and water potential of the soil to be measured, so as to obtain the moisture characteristic line of the soil to be measured , to realize in-situ rapid monitoring of soil moisture characteristic lines, easy to use and accurate in measurement.
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] Soil moisture characteristic line refers to the relationship between soil water potential and soil water content, that is, energy and quantity. It 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 content. Capacity, field capacity, soil water supply, soil porosity, soil texture, etc. In addition, because the effectiveness of soil moisture on crops depends on the level of soil potential energy, rather than its own water content, it is also possible to judge the effect of soil moisture on crops by the soil moisture characteristic line and the soil constant obtained from it. degree of effectiveness. Therefore, the soil moistu...
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IPC IPC(8): G01N27/00
CPCG01N27/00
Inventor 程强徐嫱于淞向阳
Owner CHINA AGRI UNIV