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Swing sensor

A sensor and movement technology, applied in the field of sensors, can solve the problems of unstable transmission of electrical signals, relatively large influence of electrical signals, unstable operation of swing sensors, etc.

Pending Publication Date: 2021-07-13
FEIXUN SENSING TECH SHANGHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing swing sensor converts the mechanical signal into an electrical signal and outputs it, but the electrical signal is greatly affected by the environment, such as electromagnetic interference environment, atomic radiation interference environment, high temperature environment, and strong corrosion environment, and the electrical signal is prone to instability. Transmission causing erratic operation of the swing sensor

Method used

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Embodiment Construction

[0065] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the following examples.

[0066] see figure 1 , 5 , 6. The embodiment of the present invention provides a swing sensor, including a suspended elastic beam 1 and an optical fiber 2, wherein the elastic beam 1 includes a deformation region 11, and the deformation region 11 bends as the elastic beam 1 swings; the optical fiber 2 includes a deformation sensing section 21, which is fixed to the deformation area 11 of the elastic beam 1; when the swing sensor moves, the elastic beam 1 is swinging, so that the deformation sensing section 21 of the optical fiber 2 bends along with the deformation area 11 , so that the optical signal returned by the optical fiber 2 changes.

[0067] Specifically, the elastic beam 1 is suspended in a space, for example, the elastic beam 1 is connected to the object to be measured and located in a space of the object to...

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Abstract

The invention discloses a swing sensor, and belongs to the technical field of sensors. The swing sensor comprises a suspended elastic beam and an optical fiber, the elastic beam comprises a deformation area, and the deformation area bends along with swing of the elastic beam; the optical fiber comprises a deformation sensing section which is fixed in the deformation area of the elastic beam; and when vibration is borne, the elastic beam swings in the vibration direction, so that the deformation sensing section of the optical fiber is bent along with the deformation area, and an optical signal returned by the optical fiber is changed. The swing sensor uses the deformation sensing section of the optical fiber to detect vibration, is good in stability, and can adapt to severe environments such as electromagnetic, radiation, high temperature and strong corrosion environments.

Description

[0001] This application claims the priority of Chinese patent application 2020200658197 with a filing date of 2020 / 1 / 13. This application cites the full text of the above-mentioned Chinese patent application. technical field [0002] The invention relates to the technical field of sensors, in particular to a swing sensor. Background technique [0003] The swing sensor is used to detect the vibration information of the object. The existing swing sensor converts the mechanical signal into an electrical signal and outputs it, but the electrical signal is greatly affected by the environment, such as electromagnetic interference environment, atomic radiation interference environment, high temperature environment, and strong corrosion environment, and the electrical signal is prone to instability. The transmission causes the swing sensor to operate unstable. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a swing sen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01H9/00
CPCG01H9/004
Inventor 张建平陈涛
Owner FEIXUN SENSING TECH SHANGHAI CO LTD
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