CN114270157A - 力感应装置、力感应方法及设备 - Google Patents

力感应装置、力感应方法及设备 Download PDF

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Publication number
CN114270157A
CN114270157A CN201980099343.9A CN201980099343A CN114270157A CN 114270157 A CN114270157 A CN 114270157A CN 201980099343 A CN201980099343 A CN 201980099343A CN 114270157 A CN114270157 A CN 114270157A
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China
Prior art keywords
force
force sensors
axis
rigid structure
sensing device
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Pending
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CN201980099343.9A
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English (en)
Inventor
李灏
林学朋
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Shenzhen New Degree Technology Co Ltd
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Shenzhen New Degree Technology Co Ltd
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Application filed by Shenzhen New Degree Technology Co Ltd filed Critical Shenzhen New Degree Technology Co Ltd
Publication of CN114270157A publication Critical patent/CN114270157A/zh
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/225—Measuring circuits therefor
    • G01L1/2262—Measuring circuits therefor involving simple electrical bridges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2287—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges
    • G01L1/2293—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges of the semi-conductor type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/16—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
    • G01L5/161—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using variations in ohmic resistance
    • G01L5/1627—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using variations in ohmic resistance of strain gauges
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

一种力感应装置，其包括刚性结构(10)与力传感器(R1、R2、R3、R4)，刚性结构(10)包括间隔设置的刚性块(11)，相邻两个刚性块(11)之间形成应变放大区(12)，四个力传感器(R1、R2、R3、R4)以两个为一组，两组力传感器选择性地对应设置于应变放大区(12)的其中两个安装面，该四个力传感器(R1、R2、R3、R4)连接形成不同的电桥电路。在使用时将刚性结构(10)贴合在被测物体上，不同电桥电路电连接于信号处理电路，进而分别检测刚性结构(10)在不同方向上的形变并得出被测物体对应方向的作用力。该力感应装置为一体式结构，容易安装，电路简单，低成本。该力感应装置、力感应方法及具有该力感应装置的设备，可以非常灵敏地检测被测物体在多维度方向上的微小形变，精准识别压力。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN201980099343.9A 2019-08-30 2019-08-30 力感应装置、力感应方法及设备 Pending CN114270157A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/103863 WO2021035741A1 (zh) 2019-08-30 2019-08-30 力感应装置、力感应方法及设备

Publications (1)

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CN114270157A true CN114270157A (zh) 2022-04-01

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CN201980099343.9A Pending CN114270157A (zh) 2019-08-30 2019-08-30 力感应装置、力感应方法及设备

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US (1) US20220326101A1 (zh)
CN (1) CN114270157A (zh)
WO (1) WO2021035741A1 (zh)

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RU2085877C1 (ru) * 1994-06-21 1997-07-27 Черников Георгий Евгеньевич Устройство для измерения силы
US20030061884A1 (en) * 1997-11-06 2003-04-03 Pavel Miodushevsky Strain gauge strip and applications thereof
US20070151356A1 (en) * 2005-12-16 2007-07-05 Hitachi, Ltd. Apparatus for measuring a mechanical quantity
WO2015143281A1 (en) * 2014-03-21 2015-09-24 President And Fellows Of Harvard College Monolithic, multi-axis force sensor
CN104995587A (zh) * 2014-08-14 2015-10-21 深圳纽迪瑞科技开发有限公司 一种压力检测结构及触控装置
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WO2018189981A1 (ja) * 2017-04-14 2018-10-18 日本電産コパル電子株式会社 力覚センサ
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CN109781321A (zh) * 2019-01-29 2019-05-21 西安交通大学 一种裂筒式扭矩传感器

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