KR20180084484A - 주파수 변조를 이용한 인덕턴스방식의 변위센서 - Google Patents

주파수 변조를 이용한 인덕턴스방식의 변위센서 Download PDF

Info

Publication number
KR20180084484A
KR20180084484A KR1020170008157A KR20170008157A KR20180084484A KR 20180084484 A KR20180084484 A KR 20180084484A KR 1020170008157 A KR1020170008157 A KR 1020170008157A KR 20170008157 A KR20170008157 A KR 20170008157A KR 20180084484 A KR20180084484 A KR 20180084484A
Authority
KR
South Korea
Prior art keywords
frequency
excitation coil
displacement sensor
converter
frequency modulation
Prior art date
Application number
KR1020170008157A
Other languages
English (en)
Inventor
송세현
장설아
정후민
Original Assignee
주식회사 트루윈
주식회사 다모아텍
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 트루윈, 주식회사 다모아텍 filed Critical 주식회사 트루윈
Priority to KR1020170008157A priority Critical patent/KR20180084484A/ko
Publication of KR20180084484A publication Critical patent/KR20180084484A/ko

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/22—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
    • G01D5/225—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

본 발명은 출력에 포함되는 교류 신호를 제거하여 출력의 정확도를 향상시키는 것이 가능한 주파수 변조를 이용한 인덕턴스방식의 변위센서를 제공한다
본 발명의 주파수 변조를 이용한 인덕턴스방식의 변위센서는 각각 설정된 주파수로 발진하여 전원을 인가하는 제1발진기 및 제2발진기와, 제1발진기에 연결되어 전원 공급에 따라 인덕턴스를 발생시키는 제1여자코일과, 제1여자코일에 대응하여 설치되는 커플러와, 제2발진기에 연결되어 전원 공급에 따라 인덕턴스를 발생시키는 제2여자코일과, 제1여자코일의 주파수와 제2여자코일의 주파수를 비교하는 주파수 비교기와, 주파수 비교기의 출력단에 연결되어 아날로그 신호를 디지털 신호로 변환하는 제1컨버터와, 제1컨버터에 연결되는 제1위상동기회로와, 제1위상동기회로의 출력단에 연결되어 아날로그 신호를 디지털 신호로 변환하는 제2컨버터와, 제2컨버터에 연결되는 제2위상동기회로를 포함한다.
KR1020170008157A 2017-01-17 2017-01-17 주파수 변조를 이용한 인덕턴스방식의 변위센서 KR20180084484A (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020170008157A KR20180084484A (ko) 2017-01-17 2017-01-17 주파수 변조를 이용한 인덕턴스방식의 변위센서

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020170008157A KR20180084484A (ko) 2017-01-17 2017-01-17 주파수 변조를 이용한 인덕턴스방식의 변위센서

Publications (1)

Publication Number Publication Date
KR20180084484A true KR20180084484A (ko) 2018-07-25

Family

ID=63058909

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020170008157A KR20180084484A (ko) 2017-01-17 2017-01-17 주파수 변조를 이용한 인덕턴스방식의 변위센서

Country Status (1)

Country Link
KR (1) KR20180084484A (ko)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102136947B1 (ko) 2019-01-17 2020-07-22 한국교통대학교산학협력단 인덕턴스 특성을 이용한 횡변위 검출 방법
KR20210000177A (ko) * 2019-06-24 2021-01-04 주식회사 다모아텍 인덕티브 포스 센서 및 그 동작 방법
KR20210064711A (ko) * 2019-11-26 2021-06-03 삼성전기주식회사 공통잡음 제거기능을 갖는 스위칭 조작 센싱 장치
KR102364056B1 (ko) * 2020-12-31 2022-02-18 주식회사 다모아텍 터치 및 터치 포스를 감지하는 하이브리드 센서 및 그 동작 방법
US11392236B2 (en) 2019-07-18 2022-07-19 Damoatech Co., Ltd. Touch force sensor using inductive sensing and capacitive sensing and method of operating same
US11460357B2 (en) 2019-06-24 2022-10-04 Damoatech Co., Ltd. Electronic device including power-on button and inductive touch force sensor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102136947B1 (ko) 2019-01-17 2020-07-22 한국교통대학교산학협력단 인덕턴스 특성을 이용한 횡변위 검출 방법
KR20210000177A (ko) * 2019-06-24 2021-01-04 주식회사 다모아텍 인덕티브 포스 센서 및 그 동작 방법
KR20210125964A (ko) * 2019-06-24 2021-10-19 주식회사 다모아텍 인덕티브 포스 센서 및 그 동작 방법
US11460357B2 (en) 2019-06-24 2022-10-04 Damoatech Co., Ltd. Electronic device including power-on button and inductive touch force sensor
US11392236B2 (en) 2019-07-18 2022-07-19 Damoatech Co., Ltd. Touch force sensor using inductive sensing and capacitive sensing and method of operating same
KR20210064711A (ko) * 2019-11-26 2021-06-03 삼성전기주식회사 공통잡음 제거기능을 갖는 스위칭 조작 센싱 장치
KR102364056B1 (ko) * 2020-12-31 2022-02-18 주식회사 다모아텍 터치 및 터치 포스를 감지하는 하이브리드 센서 및 그 동작 방법

Similar Documents

Publication Publication Date Title
KR20180084484A (ko) 주파수 변조를 이용한 인덕턴스방식의 변위센서
WO2014028475A3 (en) Power supply systems and methods
WO2015023899A3 (en) Impedance tuning
GB2499561A (en) Resonant commutation system for exciting a three-phase alternator
GB2571021A (en) Sum frequency generator in microwave domain for quantum communicate and computation applications
IN2014DE02757A (ko)
MX2018003675A (es) Circuito de alta frecuencia integrado, detector radar y metodo de operacion.
WO2012159620A3 (de) Verfahren zur impedanzanpassung der ausgangsimpedanz einer hochfrequenzleistungsversorgungsanordnung an die impedanz einer plasmalast und hochfrequenzleistungsversorgungsanordnung
JP2016533083A5 (ko)
GB2578379A8 (en) A DC-DC converter
TW201614405A (en) Voltage generating circuit
MX2016013383A (es) Oscilador de resonancia en serie.
FI20175422A (fi) DC-DC jännitemuunnin ja jännitemuuntimen hallintajärjestelmä
US9124187B2 (en) Control device for switching power source
EP2465203A4 (en) INTEGRATED CIRCUIT AND ELECTRONIC DEVICE HAVING A THRESHOLD GENERATION CIRCUITRY, AND ASSOCIATED METHOD
TW200520378A (en) Impedance matching circuit and method
EP3648363A3 (en) Wireless communication apparatus and method
JP5718997B2 (ja) アンテナ設備を有するデータ及び／又はコマンド信号伝送デバイス
GB2547376A (en) Low-cost driver circuit with improved power factor
TW200419900A (en) Internal power-on reset circuit and method for low-voltage chip
MD842Z (ro) Microinvertor pentru panouri fotovoltaice
MD841Y (en) Converter of direct current voltage to direct current voltage
JP2019054459A (ja) 信号処理装置および信号処理方法
CN102427342A (zh) 开关电容时钟发生器
CN203071868U (zh) 一种可修调的高精度弛张振荡器

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application