KR20020063353A - Measuring instrument on grip force of hands - Google Patents

Measuring instrument on grip force of hands Download PDF

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Publication number
KR20020063353A
KR20020063353A KR1020010003939A KR20010003939A KR20020063353A KR 20020063353 A KR20020063353 A KR 20020063353A KR 1020010003939 A KR1020010003939 A KR 1020010003939A KR 20010003939 A KR20010003939 A KR 20010003939A KR 20020063353 A KR20020063353 A KR 20020063353A
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South Korea
Prior art keywords
joystick
sensor
force
hand
measuring
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KR1020010003939A
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Korean (ko)
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박성하
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박성하
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Priority to KR1020010003939A priority Critical patent/KR20020063353A/en
Publication of KR20020063353A publication Critical patent/KR20020063353A/en

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
    • A63B24/0062Monitoring athletic performances, e.g. for determining the work of a user on an exercise apparatus, the completed jogging or cycling distance
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00Measuring of physical parameters relating to sporting activity
    • A63B2220/80Special sensors, transducers or devices therefor

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

PURPOSE: Provided is an equipment to measure grasping power which modifies an FSR sensor and fixes at the surface of a joystick to measure grasping power of the patient so that it helps to evaluate the state of patient's recovery. CONSTITUTION: In the equipment to measure grasping power, the production process of the equipment to measure grasping power comprises the steps of: (i) carving the joystick in a stable form which is made of woods; (ii) sticking rubber with 10mm in diameter and 2mm in thickness on the surface of the FSR sensor(1); (iii) fixing the sensor at an edge touching finger of the joystick and at palm forcing the joystick; and (iv) aligning a data transmission line(7) of the sensor toward an internal pipe(3) of the joystick and connecting to a connector(10).

Description

손의 쥐는 힘 측정 장치{Measuring instrument on grip force of hands}Measuring instrument on grip force of hands

본 발명은 손의 쥐는 힘을 측정하는 장치에 관한 것이다. 더욱 상세하게는 조이스틱(Joystick) 위에 폴리머(Polymer)로 된 박막형 필름(Film)인 에프에스알센서(FSR Sensor)를 부착하여 조이스틱을 쥐었을 때 각각의 손가락이 쥐는 힘과 손 전체가 쥐는 힘을 측정 할 수 있도록 하는 측정 장치에 관한 것으로, 종래에는 공기압(空壓)이나 유압(油壓)을 이용하여 손의 앙력만을 측정하였다. 즉, 이 방법은 손 전체의 쥐는 힘만을 측정하기 때문에 특정 손가락이나 손바닥에 대한 쥐는 힘을 측정하기에는 불가능하였다.The present invention relates to a device for measuring the grip force of a hand. More specifically, the FSR sensor, which is a polymer film, is attached on the joystick to measure the force held by each finger and the entire hand when the joystick is held. The present invention relates to a measuring device capable of performing the above-described measurement. In the related art, only the hand grip force is measured by using air pressure or hydraulic pressure. In other words, this method only measures the grip force of the entire hand, making it impossible to measure the grip force on a particular finger or palm.

일반적으로 인체 중의 손의 물리적 평가에 있어서는 손가락 각각에 대한 힘의 평가를 하며 종래의 기술로는 측정할 수 없는 문제점이 있다.In general, in the physical evaluation of the hand in the human body to evaluate the force for each finger, there is a problem that can not be measured by conventional techniques.

본 발명은 종래 기술의 이러한 문제점을 해결하기 위한 것으로 손이나 팔에 상해를 입은 사람이 재활 치료를 받는 중에 손가락 관절이나 손바닥 특정 부위에 대한 치료 경과를 객관적인 평가할 수 있도록 쥐는 힘을 측정하는 것을 목적으로 한다.The present invention is to solve this problem of the prior art, the purpose of measuring the grasping force so that a person with a hand or arm injuries can objectively evaluate the progress of treatment for a specific area of the finger joint or palm during rehabilitation treatment do.

이와 같은 목적을 달성하기 위하여 종래의 직경 20mm, 폴리머로 된 박막형 필름인 에프에스알 센서(1) 위에 직경 10mm, 두께 2mm의 고무 재질을 부착한 후 조이스틱(2) 표면에 부착하여 제작한다. 부착되는 에프에스알 센서(1)를 각각의 특성을 고려하여 교정하고, 조이스틱(2)을 쥐었을 때 각각의 에프에스알 센서(1)로부터 발생하는 신호를 에이디 컨버터(8)를 통하여 컴퓨터에 데이터를 전송하고 컴퓨터 프로그램(9)에서 이 신호를 받아 힘의 정도를 수치로 표시하는데 특징이 있다.In order to achieve the above object, a rubber material having a diameter of 10 mm and a thickness of 2 mm is attached to the FSL sensor 1, which is a thin film of 20 mm in diameter and polymer, and then attached to the surface of the joystick 2. The attached FSR sensor 1 is calibrated in consideration of each characteristic, and when the joystick 2 is gripped, the signal generated from each FSL sensor 1 is transferred to the computer through the AD converter 8. It is characterized by transmitting and receiving this signal from the computer program 9 to numerically indicate the degree of force.

도 1은 대표도의 A-A선 단면도1 is a cross-sectional view taken along the line A-A of the representative view

도 2는 대표도의 B-B선 단면도2 is a sectional view taken along the line B-B of the representative view

도 3은 에프에스알 센서 구성도3 is a sensor configuration diagram

도 4는 에이디 컨버터 회로도4 is an AD converter circuit diagram

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1 : 에프에스알 센서(FSR Sensor)2 : 조이스틱(Joystick)1: FSR Sensor 2: Joystick

3 : 파이프(Pipe)4 : 받침대3: pipe 4: pedestal

5 : 받침대 암나사부6 : 고무5: support female thread portion 6: rubber

7 : 데이터(Data) 전송선8 : 에이디 컨버터(A/D Converter)7: Data transmission line 8: A / D Converter

9 : 컴퓨터 프로그램10: 컨넥터(Connector)9: Computer Program 10: Connector

이하 첨부된 단면도에 의해 상세히 설명하면 다음과 같다.When described in detail by the accompanying cross-sectional view as follows.

도 1과 도 2는 대표도의 단면도로써 제작 방법과 단면도에 의하여 상세히 설명하면 다음과 같다.1 and 2 are a cross-sectional view of the representative view when described in detail by the production method and the cross-sectional view as follows.

나무 재질로 손의 쥐는 힘을 측정하기 용이하게 하기 위하여 조이스틱(2) 형상으로 조각하여 조이스틱(2) 중심부에 직경 15mm의 파이프(3)를 고정시킨다.In order to make it easier to measure the grip force of the hand made of wood to the shape of the joystick (2) to fix the pipe (3) having a diameter of 15mm in the center of the joystick (2).

조이스틱(2) 표면에 에프에스알 센서(1)를 손가락 끝 마디와 손바닥이 접촉하는 면에 접착제를 이용하여 부착시키고, 데이터 전송선(7)은 조이스틱(2)과 파이프(3) 내부로 정렬시킨다.The FSR sensor 1 is attached to the surface of the joystick 2 using an adhesive on the surface where the fingertip node and the palm contact each other, and the data transmission line 7 is aligned with the joystick 2 and the pipe 3.

이 과정이 끝난 다음 파이프(3) 하단의 나사부를 받침대 암나사부(5)에 고정시키고 모든 센서(1)의 데이터 전송선(7)을 컨켁터(10)에 연결시킨다. 받침대(4)는 측정 장치가 평탄한 면에 세워질 수 있도록 하기 위함이다.After this process, the threaded portion of the lower end of the pipe 3 is fixed to the base female threaded portion 5, and the data transmission lines 7 of all the sensors 1 are connected to the controller 10. The pedestal 4 is for allowing the measuring device to stand on a flat surface.

도 3은 조이스틱(2) 표면에 부착되는 센서(1)의 구성도로서 높은 힘을 감지하고 센서의 파손을 방지하기 위해 종래의 에프에스알 센서(1) 위에 직경 10mm, 두께 2mm의 고무 재질을 부착한다.3 is a configuration diagram of the sensor 1 attached to the surface of the joystick 2 to detect a high force and attach a rubber material having a diameter of 10 mm and a thickness of 2 mm on a conventional FSR sensor 1 to prevent breakage of the sensor. do.

도 4는 에이디 컨버터(8) 내부 회로 구성도로써 구동 방식은 외부에서 힘을 가했을 때 전압 차이를 발생하는 에프에스알 센서(1)를 데이터 전송선(7)을 통하여 신호를 받아 디지털 신호로 변환된다. 이 신호는 컴퓨터 프로그램(9)에 전송하는 방식으로 구성된다.4 is an internal circuit diagram of the AD converter 8. In the driving method, a signal of the RF sensor 1, which generates a voltage difference when an external force is applied, is received through a data transmission line 7 and converted into a digital signal. This signal is configured in such a way as to transmit to the computer program 9.

이상의 구성을 전체적으로 요약하면, 조이스틱(2)을 손으로 쥐었을 때 조이스틱(2)에 부착된 센서(1)에서 발생하는 힘의 크기는 에프에스알 센서(1)에서전압 차이에 의한 신호로 바뀌어 데이터 전송선(7)을 통하여 에이디 컨버터(8)에 전달되며, 에이디 컨버터(8)에서는 이 전압 차이를 전기신호인 아날로그 신호를 디지털 신호로 변환하여 컴퓨터에 전송하고 컴퓨터 프로그램(9)에서는 에프에스알 센서(1)에 가하는 힘의 정도에 따라 디지털 신호를 선형 회계방식으로 힘의 단위로 계산하여 쉽게 알아볼 수 있도록 수치화 한다.In summary, the magnitude of the force generated by the sensor 1 attached to the joystick 2 when the joystick 2 is gripped by hand is changed into a signal due to the voltage difference in the F sensor. It is transmitted to the AD converter 8 through the transmission line 7, and the AD converter 8 converts the voltage difference into an analog signal, which is an electrical signal, to a digital signal, and transmits the signal to a computer. According to the force applied to 1), digital signal is calculated in units of force by linear accounting method and digitized for easy identification.

본 발명의 손의 쥐는 힘 측정을 위한 조이스틱 장치는 폴리머로 된 박막형 필름인 에프에스알 센서(1)를 개조하여 이를 조이스틱(2) 표면에 고정하여 사용하는 것으로 손이나 팔에 상해를 입은 환자가 재활 치료를 받을 때 각각의 손가락에 대한 쥐는 힘과 손 전체가 쥐는 힘을 측정하여 재활 상태를 평가할 수 있다.The joystick device for measuring the grip force of the present invention is a polymer thin film fs sensor (1) by modifying the use of the joystick (2) by fixing it on the surface of the hand or arm injured patients rehabilitation When treated, rehabilitation can be assessed by measuring the grip on each finger and the grip on the entire hand.

Claims (2)

손의 쥐는 힘을 측정하는 장치를 제작하는 방법에 있어서,In the method of manufacturing a device for measuring the grip force of the hand, 손으로 본 발명의 장치를 쥐었을 때 나무 재질로 편안한 형태의 조이스틱(2)을 조각하는 단계,Sculpting the joystick (2) of a comfortable shape in wood when the device of the present invention is grasped by hand, 에프에스알 센서 위에 직경 10mm, 두께 2mm의 고무 재질을 붙히는 단계,Attaching rubber material of 10mm diameter and 2mm thickness on FS sensor, 상기 단계 후 조이스틱(2)의 손가락이 접촉하는 끝 부분과 조이스틱(2)에 힘이 많이 가해지는 손바닥 부분에 센서(1)를 고정하는 단계,After the step of fixing the sensor (1) to the end of the finger touches the joystick (2) and the palm portion where a lot of force is applied to the joystick (2), 상기 단계 후 부착한 센서(1)의 데이터 전송선(7)은 조이스틱(2) 내부의 파이프(3) 안쪽으로 정렬시키고 컨넥터(10)에 연결하는 단계로 이루어지는 것을 특징으로 하는 손의 쥐는 힘을 측정하는 장치 제작 방법.The data transmission line 7 of the sensor 1 attached after the above step is aligned with the inside of the pipe 3 inside the joystick 2 and connected to the connector 10. Device production method. 손의 쥐는 힘을 측정하는 방법에 있어서,In the method of measuring the grip of the hand, 조이스틱(2)에 고정되어 있는 센서(1)에 각각의 손가락 끝마디와 손바닥이 접촉되도록 하고 조이스틱(2)을 쥐었을 때 센서(1)에 가하는 힘의 정도에 따라 변화되는 전압의 차이를 발생하는 신호를 테이터 전송선(7)를 통하여 에이디 컨버터(8)로 보내는 단계,Each fingertip and palm are in contact with the sensor (1) fixed to the joystick (2), and when the joystick (2) is grasped, the difference in voltage varies depending on the degree of force applied to the sensor (1). Sending a signal to the AD converter 8 via the data transmission line 7, 상기 단계 후 이 신호를 디지털 신호로 변환하여 데이터를 컴퓨터에 전송하는 단계,Converting the signal into a digital signal after the step and transmitting the data to a computer; 상기 단계 후 컴퓨터에 전송된 데이터를 컴퓨터 프로그램(9)에서 선형 회계방식으로 힘을 계산하여 힘의 단위로 표시하는 것을 특징으로 하는 손의 쥐는 힘 측정 방법.A method of measuring hand grip force, characterized in that the data transmitted to the computer after the step is calculated in a linear accounting manner in the computer program (9) and displayed in units of force.
KR1020010003939A 2001-01-27 2001-01-27 Measuring instrument on grip force of hands KR20020063353A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101140144B1 (en) * 2010-07-16 2012-05-02 경상대학교산학협력단 Fingers power measuring apparatus using cylinderical object hold
KR101393376B1 (en) * 2013-04-25 2014-05-30 주식회사 한영 Bio feedback rehabilitation exercising apparatus using hand grip bulb
KR20160116540A (en) * 2015-03-30 2016-10-10 동의대학교 산학협력단 Portable finger/wrist rehabilitation exercise apparatus
US10649599B2 (en) 2017-06-30 2020-05-12 Samsung Electronics Co., Ltd. Electronic device for detecting proximity of user and operation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101140144B1 (en) * 2010-07-16 2012-05-02 경상대학교산학협력단 Fingers power measuring apparatus using cylinderical object hold
KR101393376B1 (en) * 2013-04-25 2014-05-30 주식회사 한영 Bio feedback rehabilitation exercising apparatus using hand grip bulb
KR20160116540A (en) * 2015-03-30 2016-10-10 동의대학교 산학협력단 Portable finger/wrist rehabilitation exercise apparatus
US10649599B2 (en) 2017-06-30 2020-05-12 Samsung Electronics Co., Ltd. Electronic device for detecting proximity of user and operation method thereof

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