Tactile sensing device based on coding hole imaging technology

A technology of tactile sensing and coding holes, which is applied in the field of tactile sensors, can solve problems such as the inability to use tactile sensors and increase system instability, and achieve the effects of easy processing, compact structure, and simple structure

Active Publication Date: 2020-06-26
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this structure can effectively realize close-range imaging, the lighting unit and the signal receiving unit are placed opposite to each other, so this arrangement cannot be used in the tactile sensor, and the solution must use lenses, which increases the instability of the system

Method used

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  • Tactile sensing device based on coding hole imaging technology
  • Tactile sensing device based on coding hole imaging technology
  • Tactile sensing device based on coding hole imaging technology

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Embodiment Construction

[0032] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0033] The tactile sensing device based on the coding hole imaging technology proposed according to the embodiment of the present invention will be described below with reference to the accompanying drawings.

[0034] figure 1 It is a structural schematic diagram of a tactile sensing device based on coding hole imaging technology according to an embodiment of the present invention.

[0035] Such as figure 1 As shown, the system 10 includes: a sensing unit 100 , a coding hole unit 200 , a photoelectric conversion unit...

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Abstract

The invention discloses a touch sensing device based on a coding hole imaging technology, and the device comprises a sensing unit, a coding hole unit, a photoelectric conversion unit and a support frame structure unit, wherein the sensing unit is arranged at the outermost layer and is used for converting physical change generated by touch behaviors into change visible to an optical means; the coding hole unit is arranged on the inner layer of the sensing unit and is a planar or non-planar coding aperture plate, and one or more selectable point light sources are arranged on the coding apertureplate and used for generating a plurality of coding aperture images through switching of the point light sources; the photoelectric conversion unit is arranged at the innermost layer and is used for converting the coded aperture image into an electric signal; and the support frame structure unit is used for providing stable structure support for the sensing unit, the coding hole unit and the photoelectric conversion unit. The touch sensing device is simple and compact in structure and easy to process.

Description

technical field [0001] The invention relates to the technical field of tactile sensors, in particular to a tactile sensing device based on coding hole imaging technology. Background technique [0002] The tactile sensor based on the optical principle is rich in information, high in precision, and has various sensing capabilities of pressure, sliding, and cold and heat. However, in related technologies, the processing and manufacturing process is complicated, the volume is relatively large, the micro-lens is more precise, and there are a series of shortcomings such as not being resistant to shocks and temperature changes, such as: [0003] Invention patent CNCN201410301656.7 "Optical flexible two-dimensional tangential force tactile sensor" discloses a sensor composed of a light source layer, a polymer flexible conductive layer and a photodetection layer, and the photocurrent change of a 2×2 array photodetector , to measure the magnitude and direction of the two-dimensional ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/24G01D5/26G06F3/042
CPCG01D5/26G01L1/247G06F3/042
Inventor 孙富春何竞择
Owner TSINGHUA UNIV
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