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Pressure sensor

A pressure sensor and carbon nano-layer technology, applied in the field of sensors, can solve the problems of poor tactile sensation, sensitivity, and inability to measure lateral pressure, etc., and achieve good tactile feedback effect

Inactive Publication Date: 2017-01-04
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such pressure sensors are mainly used to measure applied shear force and cannot measure lateral pressure
In this way, the robot will not have good tactile feedback, and it will show that the tactile sense is not as sensitive as human beings

Method used

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Embodiment Construction

[0015] see figure 1 , the pressure sensor 100 provided by the present invention includes a substrate 10, a deformable substrate 20, a carbon nanolayer 30, a cover plate 40, two flexible circuit boards 50, a resistance measuring device 60, and a capacitance measuring device 70 and a processor 80 . The deformable substrate 20 is disposed on the base 10 . The cover plate 40 covers the deformable base material 20 . The carbon nano layer 30 is located between the deformable substrate 20 and the cover plate 40 . The upper and lower surfaces of the carbon nano layer 30 are respectively in contact with the cover plate 40 and the deformable substrate 20 .

[0016] see figure 2 and image 3 , the base 10 includes a substrate 11 , a solder pad 12 , a connector 14 and a plurality of solder joints 16 . The pads 12 , the connectors 14 and the plurality of solder points 16 are all disposed on the substrate 11 . The substrate 11 is a cuboid structure. The substrate 11 can be a rigid ...

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Abstract

The invention provides a pressure sensor comprising a base, deformation base material which is arranged on the base, a carbon nanolayer which is arranged on the deformation base material, a cover plate which is arranged on the carbon nanolayer, two flexible circuit boards which connect the carbon nanolayer and the base and a processor. The base comprises a substrate and a welding pad. The welding pad is arranged between the substrate and the deformation base material. The deformation base material and the cover plate are made of elastic material. The processor calculates lateral pressure of an external force acting point according to the resistance change value caused by deformation of the carbon nanolayer and the capacitance change value between the carbon nanolayer and the welding pad when external force is applied to the cover plate.

Description

technical field [0001] The invention relates to the field of sensors, in particular to a pressure sensor. Background technique [0002] In the future, the development of robot technology will be closer and closer to human beings in all aspects. Not only must they have hearing and vision, but they must also have the same sensitive sense of touch as humans. Some existing pressure sensors are not limited by the shape of the measured object due to their good flexibility, so they can be attached to various regular or irregular surfaces, such as robot arms, belly or legs, etc., to achieve sensing The function of force, thus feeding back to the robot for it to have tactile feedback (for example, make a sound after being bumped, etc.). However, such pressure sensors are mainly used to measure applied shear force and cannot measure lateral pressure. In this way, the robot will not have good tactile feedback, and it will show that the tactile sense is not as sensitive as human being...

Claims

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Application Information

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IPC IPC(8): G01L1/22
CPCG01L9/0058G01L5/165G01L5/228G01L9/0072
Inventor 张仁淙
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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