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Lever type pressure sensor

A pressure sensor and lever-type technology, applied in the field of sensors, can solve the problems of poor sensing accuracy, sensor corrosion, and inability to accurately sense pressure, and achieve the effect of overcoming poor detection accuracy and high detection accuracy

Inactive Publication Date: 2015-04-29
HEFEI BOE OPTOELECTRONICS TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the rocking pressure sensor usually has the following defects: if the displacement of the rocking part caused by the pressure is small, it may lead to inaccurate pressure sensing; position, resulting in perception errors; and the long-term immersion of the sensor in the liquid will lead to corrosion, etc.
[0006] In addition, the current pressure sensors are mostly combined with magnetic sensors, which are poor in sensing accuracy

Method used

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Embodiment Construction

[0020] In the following description, for the purpose of illustration rather than limitation, specific details such as specific structures are provided only for the purpose of allowing those skilled in the art to thoroughly understand the present invention. However, it should be clear to those skilled in the art that the present invention can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known devices, circuits, and methods are omitted to avoid unnecessary details obscuring the focus of the present invention.

[0021] figure 1 The schematic diagram of the structure of the lever-type pressure sensor of the present invention is shown. As shown in the figure, the lever-type pressure sensor includes: a lever 3; a pressure receiving member connected to the first end of the lever 3 and configured to drive the first end of the lever 3 to move when pressure is applied; And a displacement sensing component, which is ...

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Abstract

The invention provides a lever type pressure sensor. The lever type pressure sensor comprises a lever (3), a pressure receiving component (1) and displacement sensing assemblies (5 and 6), wherein the pressure receiving component is connected to a first end of the lever and drives the first end of the lever to move when being pressed, and the displacement sensing assemblies are connected to a second end, opposite to the first end, of the level and can detect the displacement of the second end of the lever.

Description

Technical field [0001] The present invention relates to a sensor, and in particular to a lever type pressure sensor incorporating an optical sensor. Background technique [0002] Pressure sensors are commonly used in various transmission equipment. In these transmission devices, the pressure at a specific location is sensed by the pressure sensor to determine whether there is an object, and / or the pressure change sensed by the pressure sensor is used to determine the movement of the object on the transmission device, and so on. [0003] Commonly used pressure sensors include press-in pressure sensors and swing pressure sensors. [0004] Press-in pressure sensors usually include elastic components such as springs, and the presence and magnitude of the pressure are determined by the expansion or change of the length of the spring. However, components such as springs in the press-fit pressure sensor have a certain service life, especially when used in a special environment with liquid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/08
CPCG01G1/18G01L1/08G01B11/14G01L1/24
Inventor 朱仁彬
Owner HEFEI BOE OPTOELECTRONICS TECH
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