Line source water distributor
A line source water distribution device and hose technology, applied to scientific instruments, by removing certain components, weighing, measuring devices, etc., can solve problems such as inability to achieve linear water distribution and affect measurement accuracy, so as to improve accuracy, The effect of uniform linear water distribution
Inactive Publication Date: 2013-05-22
CHINA AGRI UNIV
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Problems solved by technology
However, using this device to distribute water to the soil is a pressurized water distribution process, which cannot achieve a true linear water distribution, and thus affects the measurement accuracy.
Method used
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Embodiment Construction
[0024] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0025] As shown in Fig. 2 (A) (B), they are side view and cross-sectional view of the line source water distributor of the embodiment of the present invention respectively. This embodiment includes: water distribution belt 51, water distribution chamber 52 and water guide pipe 53, wherein The water distribution belt 51 is placed on the surface of the measured soil for linear distribution of water to the measured soil and to protect the soil structure; the water distribution chamber 52 is connected with the water guide pipe 53, and several water outlets 521 are arranged on the water distribution pipe 52 for The water stored in the water distribution chamber 52 is injected i...
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The invention discloses a line source water distributor, which contains a water distributing belt which is positioned on the surface of detected soil and is used to carry out linear water distribution on the detected soil and protect the soil structure; a water distributing chamber which is provided with a plurality of water outlets and is used to inject water supplied from a water source into the water distributing belt through the water outlets; and an aqueduct which connects the water source and the water distributing chamber and is used to introduce the water from the water source into the water distributing chamber. According to the line source water distributor provided by the embodiment, when the content of water in the water distributing belt is low, minimal changes of the water content lead to large energy changes of the water in the water distributor, which is beneficial to rapid and uniform distribution of the water in the water distributing belt; And when the content of the water in the water distributing belt is close to saturation, that is to say, when water suction is low, minimal energy changes lead to large changes of the water content, which is beneficial to water energy consistency between the water distributor and the soil interface. Therefore, uniform and linear water distribution is realized so as to raise the measurement precision of permeability.
Description
technical field [0001] The invention relates to the field of soil performance measurement, in particular to a line source water distributor. Background technique [0002] The process of soil infiltration connects surface water and groundwater and is an important part of the study of the hydrological cycle. The level of soil infiltration determines the surface yield and the amount of water entering the soil during the rainfall process, the speed of irrigation water infiltrating into the soil, and the migration of pollutants with the water flow. [0003] The methods currently used to measure soil infiltration performance include artificial simulated rainfall method, double-ring method, etc. When the artificial simulated rainfall method is used to measure the soil infiltration process, due to insufficient water supply, the initial infiltration performance of the soil cannot be measured very high, and the impact of raindrops on the surface will form a surface crust. The double...
Claims
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IPC IPC(8): G01N15/08G01N5/04
Inventor 雷廷武毛丽丽孙蓓赵军周淑梅
Owner CHINA AGRI UNIV