Weighing type automatic subsurface evaporation-filtration measuring device
An automatic measurement and weighing technology, applied in measuring devices, material weighing, instruments, etc., to achieve good real-time performance, high accuracy, and labor-saving effects
Inactive Publication Date: 2017-02-22
徐州市伟思水务科技有限公司
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Problems solved by technology
This is a complicated process. A medium-sized subterranean lysimeter observation station has about dozens of observation points. In the case of insufficient manpower, it is impossible to implement synchronous and accurate observation of these observation points and complete water replenishment in a timely manner. realized
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[0018] The present invention will be further described below in conjunction with accompanying drawing.
[0019] Such as figure 1 As shown, a weighing-type subterranean lysimeter automatic measurement device includes an evaporation load cell 5, an infiltration load cell 6, an acquisition controller 9, a soil column 1, a balance bottle 2, a Martens bottle 3 and an input The infiltration bottle 4, the soil cylinder 1 and the balance bottle 2 are connected through a connecting pipe 21, the lower port of the infiltration pipe 23 in the balance bottle 2 is facing the water inlet funnel 33 of the infiltration bottle, and the water level tube is set in the Martens bottle 3 28 and vent pipe 25, the lower port of the water level pipe 28 is on the same level as the buried depth water level 71 of the soil column tube 1; the balance bottle 2 is fixed on the horizontal support plate 41, and the horizontal support plate 41 Installed on the wall or on the ground; said Marlson jar 3 is instal...
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The invention discloses a weighing type automatic subsurface evaporation-filtration measuring device which completes the measurement of evaporation capacity and infiltration capacity of soil groundwater through respectively weighing a Markov bottle (3) and an infiltration bottle (4). According to the invention, mounting methods of a balance bottle (2) and the Markov bottle (3) are improved; a mounting position of a water level adjusting pipe (28) of the Markov bottle (3) is improved, to eliminate infiltration capacity drift and groundwater evaporation capacity; an infiltration pipe (23) of the balance bottle (2) is improved to adjust the height of the water level in the balance bottle (2). An acquisition controller (9) of the weighing type automatic subsurface evaporation-filtration measuring device provided by the invention automatically controls an on-off state of each electromagnetic valve and each submersible pump arranged on a pipeline according to weight change of water body in the Markov bottle (3) and the infiltration bottle (4), to complete work of supplementing and draining water, so that the real-time online automated measurement of the evaporation-infiltration process is realized and the work efficiency is significantly improved.
Description
technical field [0001] The invention relates to a weighing-type underground lysimeter automatic measurement device, which belongs to the field of fixed water level underground lysimeter measurement devices. Background technique [0002] The constant water level subsurface lysimeter measuring device is a device used to measure soil phreatic evaporation and infiltration. In the prior art, the lysimeter measuring device in the ground with a fixed water level includes a soil column, a Martens bottle, a balance bottle and an infiltration bottle. The balance bottle is connected to the waterway of the soil column through the connecting pipe. The balance bottle and the Martens bottle are installed on the support plate, and the two are connected through the connecting pipe. The infiltration pipe is set in the balance bottle. The buried depth water level line of the cylinder coincides, the lower end of the infiltration pipe is placed into the infiltration bottle, and the Martens bott...
Claims
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IPC IPC(8): G01N5/00G01N35/00
CPCG01N5/00G01N35/00584
Inventor 张永立张敏赵胜领
Owner 徐州市伟思水务科技有限公司