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Valve sensing device

A technology of sensing device and air pressure sensor, which is applied in the field of sensing and detection, and can solve the problems that the sensor cannot detect the motion mechanism, etc.

Inactive Publication Date: 2019-07-12
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, most of the above-mentioned position sensors are charged sensors, and some motion mechanisms working in special environments cannot use charged sensors to directly detect the position of the motion mechanism.

Method used

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0017] figure 1 It is a schematic structural diagram of a valve sensing device. As shown in the figure, a valve sensing device includes a pressure regulating device 1, a throttle valve 2, an air pressure sensor 3 and a valve switch 4. The pressure regulating device 1 is used to connect the gas The inlet of the throttle valve 2 is connected to the pressure regulating device 1, and the outlet of the throttle valve 2 is respectively connected to the air pressure sensor 3 and the valve switch 4 through a tee, and the valve switch 4 is normally closed and can be The air flow is opened and released under the action of external force; the pressure regulating device 1 is an air source tri...

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Abstract

The invention discloses a valve sensing device. The device comprises a pressure regulating device, a throttling valve, an air pressure sensor and an air valve switch, the pressure regulating device isused for being connected with an air source, an inlet of the throttling valve is connected with the pressure regulating device, an outlet of the throttling valve is connected with the air pressure sensor and the air valve switch through a tee joint, and the air valve switch is in a normally-closed state and can be opened under the action of external force to release air flow. In the invention, the valve switch serving as a direct detection part is not electrified, so that the purpose of detecting the position of the moving mechanism in an unelectrified manner is achieved.

Description

technical field [0001] The invention belongs to the technical field of sensing and detection, and in particular relates to a valve sensing device. Background technique [0002] The position sensor has been widely used in various industrial fields. The position sensor can be used to detect the position and reflect the switch of a certain state. Unlike the displacement sensor, the position sensor has two types: contact type and proximity type. [0003] The contact of the contact sensor is moved by the contact and extrusion of two objects. The common ones are travel switches, two-dimensional matrix position sensors, etc. A proximity sensor refers to a switch that can send out an "action" signal when an object approaches it to a set distance, and it does not need to be in direct contact with the object. There are many types of proximity sensors, mainly electromagnetic, photoelectric, differential transformer, eddy current, capacitive, reed switch, Hall, etc. [0004] However, ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B13/00
CPCG01B13/00
Inventor 王时龙周炀挺周杰任亨斌易力力杨波康玲熊江茗
Owner CHONGQING UNIV
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