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Frozen soil depth sensor

A technology of depth sensor and temperature sensor, used in instruments, thermometers, scientific instruments, etc., can solve the problems of deformation of capacitor plates, affecting measurement results, huge workload, etc., to achieve the effect of improving accuracy, strong operability and low cost

Inactive Publication Date: 2016-07-20
哈尔滨今星微电子科技有限公司 +1
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  • Application Information

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Problems solved by technology

This method needs to do a lot of data experiments for calibration, the workload is huge, and the capacitor plates will be deformed due to thermal expansion and contraction, and there are a lot of metal ores in the soil that interfere with the electric field of the capacitor, which will also affect the measurement results.

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] Figure 1a , Figure 1b The figure is a front view and a side view of a frozen soil depth sensor according to an embodiment of the present invention; figure 2 It is the structural diagram of the frozen soil depth sensor of an embodiment of the present invention; As shown in the figure, A is soil, B is the ground surface, and the frozen soil depth sensor is an automatic measuring instrument for the depth of frozen soil layer, including: controller 2 , ...

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Abstract

The invention discloses a frozen soil depth sensor. The frozen soil depth sensor comprises a controller, a temperature acquisition device, a protective tube, a waterproof sealed box, an encapsulating material and a control cable, wherein the controller is installed in the waterproof sealed box; the waterproof sealed box is fixedly arranged at one end of the protective tube; the temperature acquisition device is integrally encapsulated in a groove at one side of the protective tube through the encapsulating material, the other end of the protective tube is embedded into soil, the temperature acquisition device and the protective tube are embedded into the measured soil together; and the control cable is connected between the controller and the temperature acquisition device.

Description

technical field [0001] The invention relates to the field of frozen soil measurement, in particular to a frozen soil depth sensor. Background technique [0002] Permafrost measurement is a basic requirement for production and construction in permafrost areas, and it is indispensable in the fields of research on climate and environmental changes and early warning of permafrost meteorological disasters. At present, the methods of measuring frozen soil include danilin frozen soil measurement, direct measurement, remote sensing method measurement, automatic measurement and other methods. [0003] The danilin method measures the depth of frozen soil, for example, records the depth of frozen soil by pouring the freezing depth of water in a rubber hose. This method is relatively primitive. Due to factors such as the texture of the soil and the composition of the aqueous solution, the concentration is uneven, and the pressure is different, the freezing of frozen soil is different f...

Claims

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Application Information

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IPC IPC(8): G01B21/18G01K13/10
CPCG01B21/18G01K13/10G01K2203/00
Inventor 吴永吉刘伟
Owner 哈尔滨今星微电子科技有限公司
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