static level

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: 2022-01-28
武汉华和物联技术有限公司
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  • Abstract
  • Description
  • Claims
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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 proposes a static level. By setting the pressure sensor vertically, the left and right sides of the pressure sensor are connected with antifreeze and gas respectively, which can overcome the interference of gravity on the detection result caused by the horizontal pressure sensor; The second cavity protrudes to form a ring-shaped protruding part, and the pressure sensor is fully wrapped by antifreeze, which reduces the influence of the shell temperature on the reading; by setting the temperature sensor at the end of the T-shaped plate, the temperature sensor can be fixed to prevent different installation positions. The deviation, and the temperature sensor directly measures the temperature inside the pressure sensor, and the temperature monitoring is more accurate; the heat insulation layer is set between the pressure sensor and the shell, which can prevent the shell from thermal expansion and contraction caused by the extrusion of the pressure sensor. 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 Patents(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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