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Geostrophic force effect based translational velocity or acceleration sensing device and structure

A technology of acceleration sensing and driving structure, which is applied in the direction of using gyroscope for acceleration measurement, steering sensing equipment, etc., can solve the problem of not detecting translation, and achieve the effect of high anti-interference ability

Inactive Publication Date: 2016-04-27
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

[0004] However, the detection sensors proposed in these patent applications are all for rotation detection, not for translation detection. The invention innovatively uses functionally sensitive materials and the Coriolis effect for translation detection

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  • Geostrophic force effect based translational velocity or acceleration sensing device and structure
  • Geostrophic force effect based translational velocity or acceleration sensing device and structure

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Embodiment Construction

[0055] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0056] This implementation example provides a translational velocity or acceleration sensing device based on the Coriolis force effect, including a housing and a drive structure disposed inside the housing, an electromagnetic coil, a sensitive magnetic structure, a connecting structure, and a magnetic shield structure and sensing mechanism, the housing is used as a translational system, and its velocity is v, that is, the amount to be detected. In a variation, the amount to be detected can be acceleratio...

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Abstract

The invention provides a geostrophic force effect based translational velocity or acceleration sensing device and structure, wherein a drive structure and an electromagnetic coil interact to drive a sensitive magnetic structure to rotate, when the sensing device has translational velocity meeting a condition of generating a geostrophic force effect, the sensitive magnetic structure generates deflection; a sensing mechanism converts the deflection displacement into an output electric signal. The invention innovatively applies a function sensitive material and a geostrophic effect to the translational velocity or acceleration detection, realizes a novel translation detection mechanism and method, and can be used for realizing a reciprocating translation detection means without detection stroke limitation.

Description

technical field [0001] The invention relates to the technical field of detection sensors, in particular to a translational velocity or acceleration sensing device based on the Coriolis force effect and a combined structure thereof. Background technique [0002] According to the theory of Newtonian mechanics, taking the rotating system as the reference system, the tendency of the linear motion of the particle to deviate from the original direction is attributed to the action of an external force, which is the Coriolis force and is defined as: In the formula is the Coriolis force; m is the particle mass; is the velocity of particle motion; is the angular velocity of the rotating system. [0003] The existing detection sensor based on Coriolis force, for example, the publication number is 103913158A, the publication date is July 09, 2014, and the Chinese patent application titled "Magnetoelectric Coriolis force detection sensor" provides A magnetoelectric Coriolis force...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C19/56G01P15/14
CPCG01C19/56G01P15/14
Inventor 杨斌堂杨诣坤
Owner SHANGHAI JIAO TONG UNIV
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