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A fiber grating sensor and tire three-way force measuring device

A fiber grating and sensor technology, applied in the field of sensing and detection, can solve the problems of low measurement accuracy and difficulty in simultaneously measuring the three-dimensional force of tires, and achieve the effect of improving sensitivity and accuracy

Inactive Publication Date: 2020-05-01
WUHAN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a fiber grating sensor and a tire three-way force measuring device to solve the technical problems that it is difficult to measure the three-way force of the tire at the same time and the measurement accuracy is not high

Method used

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  • A fiber grating sensor and tire three-way force measuring device
  • A fiber grating sensor and tire three-way force measuring device
  • A fiber grating sensor and tire three-way force measuring device

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Embodiment Construction

[0029] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0030] see figure 1 As shown, this embodiment provides a suspended clamping fiber grating sensor, which includes a base 11 , a contact plate 1 , an inner rod 2 and a fiber grating. The base 11 has a hollow cylindrical structure with an opening at one end. The inner rod 2 is located inside the hollow cylindrical structure of the base 11 . Moreover, one end of the inner rod 2 passes through the opening of the base 11 , protrudes out of the base 11 , and is fixed on one side of the contact plate 1 . The plate surface of the contact plate 1 and the inner rod 2 are in a vertical state. The other end of the inner rod 2 is located inside the base 11 and is connected to the fi...

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Abstract

The invention provides an optical fiber grating sensor and a tire three-direction force measuring device, wherein the optical fiber grating sensor comprises a contact plate, an inner rod, an optical fiber grating and a base, wherein the base is of a cylindrical structure with an opening in one end, the inner rod is located in the base; one end of the inner rod penetrates through the opening of thebase and is fixed on one side of the contact plate, and the other end is fixed on the inner side of a first elastic body; the first elastic body is fixed at the bottom of the base, and the first elastic body is of a cylindrical structure with openings in two ends; the optical fiber grating is arranged between the inner rod and the base; the optical fiber grating comprises a first optical fiber grating, a second optical fiber grating and a third optical fiber grating; the first optical fiber grating extends along the axis direction of the inner rod, and penetrates through the interior of the first elastic body; and the first optical fiber grating, the second optical fiber bragg grating and the third optical fiber bragg grating are vertically arranged two by two. The sensor and the measuring device are simple in structure and high in measuring sensitivity and accuracy.

Description

technical field [0001] The invention relates to the technical field of sensing and detection, and more specifically, to an optical fiber grating sensor and a tire three-way force measuring device. Background technique [0002] The force required for the load, traction and operation of the vehicle all occurs on the contact surface between the tire and the road surface. It is necessary to find the most favorable contact conditions between the tire and the road surface, evaluate the structural performance of the tread pattern, reduce tread wear, and improve vehicle operation stability. It is necessary to analyze the three-dimensional force generated by the tire contacting the ground, namely traction force, lateral force and vertical force. [0003] Fiber Bragg grating sensor is a new type of sensor that uses light as the carrier and optical fiber as the propagation medium to perceive and transmit external signals. The FBG sensor has the advantages of small size, anti-electroma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/16G01L1/24G01L5/00
CPCG01B11/16G01L1/24G01L5/00
Inventor 盛中华周兴林袁琛琦
Owner WUHAN UNIV OF SCI & TECH
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