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Static leveling instrument

A static level and pressure sensor technology, applied in the field of sensors, can solve problems such as linearity difference, pressure difference, and influence of detection results, and achieve the effects of accurate temperature monitoring, deviation prevention, and error prevention

Active Publication Date: 2020-02-21
武汉华和物联技术有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0004] The above static level has the following problems: due to the horizontal setting of the pressure sensor, there is a certain pressure difference between the upper and lower surfaces of the pressure sensor itself due to the interference of gravity, resulting in poor linearity of the detection results; , the test results are also affected by the region of use, and need to be corrected

Method used

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0029] Such as figure 1 shown, combined with Figure 5 and Figure 6 , the static level of the present invention, which includes a housing 1, a pressure sensor 2, a heat insulation layer 3, a T-shaped plate 4, a temperature sensor 5, a light guide column 6 and a PCB circuit board 7.

[0030] Among them, such as Figure 1~3 As shown, the housing 1 is provided with a first cavity 101, a second cavity 102 and a connecting channel 100, and the housi...

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Abstract

The invention provides a static leveling instrument. According to the static leveling instrument, a pressure sensor is vertically arranged, and the left side and the right side of the pressure sensorare respectively charged with an anti-freezing solution and a gas, so that the interference of gravity to a detection result due to horizontal arrangement of the pressure sensor can be overcome; the middle part of a shell body protrudes into a second cavity to form an annular protruding part, and the pressure sensor is fully wrapped by the anti-freezing solution, so that the influence of the temperature of the shell body on reading is reduced; a temperature sensor is arranged at the end portion of a T-shaped plate, the temperature sensor can be fixed, deviation caused by different installationpositions is prevented, the temperature sensor directly measures the temperature in the pressure sensor, and temperature monitoring is more precise; and a heat insulation layer is arranged between the pressure sensor and the shell body, so that errors caused by extrusion of the pressure sensor due to thermal expansion and cold contraction of the shell body can be prevented, and the precision is higher.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a static level. Background technique [0002] The static level is a high-precision liquid level measurement system, which is suitable for measuring the relative settlement of multiple points. In use, the containers of multiple static levels are connected by liquid pipes, and the liquid level of each container is measured by the relevant sensor, and then the liquid level change of each measuring point can be measured. Static levels are mainly used to monitor the vertical displacement and inclination of pipe galleries, dams, nuclear power plants, high-rise buildings, foundation pits, tunnels, bridges, subways, etc. [0003] The current static level generally includes a pressure sensor arranged horizontally. The upper and lower sides of the pressure sensor are respectively provided with a liquid storage chamber and a gas storage chamber. When the terrain subsides, the pressure in t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C5/04
CPCG01C5/04
Inventor 陈田李习涛陈保白博宇杨克学曲松鹤
Owner 武汉华和物联技术有限公司
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