Curvature sensor based on paper folding structure

A curvature sensor and origami structure technology, applied in the field of curvature sensors, can solve the problems of poor device stability, low device sensitivity, and not easy to carry, and achieve the effects of process compatibility, sensitivity improvement, and flexible design

Active Publication Date: 2020-12-04
SOUTHEAST UNIV
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  • Abstract
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Problems solved by technology

[0002] At present, there are three main methods for measuring the curvature. One is to use the change of the resistance value of the film material during the elongation or compression of the material to measure the degree of bending. The stability of the device is poor and the cost is relatively high; the second is to use the measurement The light intensity change after the fiber is bent is used to measure the degree of bending. The equipment is more complicated, not easy to carry, and the cost is too high; the third is to measure the degree of bending based on the change of capacitance during the bending process, and the sensitivity of this type of device is relatively low.

Method used

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  • Curvature sensor based on paper folding structure

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] see figure 1 , figure 2 with image 3 , the present invention provides a curvature sensor based on an origami structure, the curvature sensor includes a flexible substrate 1, a metal pole plate 2, a first fixed beam anchor region 31, a second fixed beam anchor region 32, a folded film structure The double-end fixed support beam 4, the first folded film structure 52, the second folded film structure 53, the third folded film structure 51, the fourth folded film structure 54, and the planar inductor 6; the first fixed support beam anchor region 31, The second fixed-support beam anchor area 32 is placed on the flexible substrate 1 to form a double-end fixed-support beam anchor area, and a double-end fixed-support beam 4 with a folded film structure and a metal pole plate 2 are arranged on the double-end fixed-support beam anchor area. Placed on the flexible sub...

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Abstract

The invention provides a curvature sensor based on a paper folding structure. The curvature sensor comprises a flexible substrate (1), a metal pole plate (2), a first clamped beam anchor region (31),a second clamped beam anchor region (32), a double-end clamped beam (4) with a folding film structure,a first folding film structure (52), a second folding film structure (53), a third folding film structure (51), a fourth folding film structure (54) and a planar inductor (6). When the flexible substrate is attached to the surface of a concave curvature, due to the fact that the folding film structure based on the paper folding principle is adopted, the double-end clamped beam is folded to form a downwards-protruding three-dimensional structure, the capacitance change amount between the double-end clamped beam and the metal pole plate is increased. Therefore, the curvature sensor has the advantages of high sensitivity, small measurement error, process compatibility, novel structure and thelike.

Description

technical field [0001] The invention relates to a curvature sensor based on an origami structure, which belongs to the technical field of microelectronic devices. Background technique [0002] At present, there are three main methods for measuring the curvature. One is to use the change of the resistance value of the film material during the elongation or compression of the material to measure the degree of bending. The stability of the device is poor and the cost is relatively high; the second is to use the measurement The light intensity change after the fiber is bent is used to measure the degree of bending. The equipment is more complicated, not easy to carry, and the cost is too high; the third is to measure the degree of bending based on the change of capacitance during the bending process, and the sensitivity of this type of device is relatively low. . In recent years, with the continuous development of science and technology, it has become a development trend to stu...

Claims

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Application Information

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IPC IPC(8): G01B7/293G01D5/241
CPCG01B7/293G01D5/2417
Inventor 韩磊陈立军
Owner SOUTHEAST UNIV
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