KR960038359A - 변위검출장치 - Google Patents
변위검출장치 Download PDFInfo
- Publication number
- KR960038359A KR960038359A KR1019960011921A KR19960011921A KR960038359A KR 960038359 A KR960038359 A KR 960038359A KR 1019960011921 A KR1019960011921 A KR 1019960011921A KR 19960011921 A KR19960011921 A KR 19960011921A KR 960038359 A KR960038359 A KR 960038359A
- Authority
- KR
- South Korea
- Prior art keywords
- displacement
- amount
- circuit
- magnetic
- magnetic core
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims 4
- 238000009499 grossing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
- G01F23/18—Indicating, recording or alarm devices actuated electrically
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
-
- 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
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/20—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of weight, e.g. to determine the level of stored liquefied gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/007—Transmitting or indicating the displacement of flexible diaphragms using variations in inductance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/10—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in inductance, i.e. electric circuits therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Measuring Fluid Pressure (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
Claims (7)
- 외력의 변화에 따라서 변위하는 변위체(56, 36, 40)와 자기코일(58) 및 상기 변위체(56, 36, 40)의 변위에 따라서 상기 자기코일(58)에 대하여 접근하거나 멀어지는 이동하는 자성코어(60)를 포함하는 LC공진회로(10)와, 그 LC공진회로(10)에 소정 주파수의 연속신호를 공급하는 발진기(14)와, 상기 LC공진회로(10)를 통해서 출력되는 연속신호의 진폭에 의하여 상기 변위체(56, 36, 40)의 변위량을 검출하는 검출회로(22)를 구비하는 것을 특징으로 하는 변위검출장치.
- 제1항에 있어서, 상기 LC공진회로(10)를 통해서 출력되는 연속신호를 정류하고 평활하는 정류회로(16)를 설치하고, 상기 검출회로(22)는 상기 정류회로(16)로부터 출력되는 직류전압에 의하여 상기 변위량을 검출하는 것을 특징으로 하는 변위검출장치.
- 제1항 또는 제2항에 있어서, 상기 LC공진회로(10)의 공진주파수는, 상기 자성코어(60)의 접근하거나 멀어지는 이동에 따라서 상기 소정 주파수 이상의 주파수 범위내에서 변화하도록 설정되어 있는 것을 특징으로 하는 변위검출장치.
- 제1항, 제2항 또는 제3항에 있어서, 상기 외력은 유체압력이고, 상기 검출회로(22)는, 검출한 상기 변위량으로부터 상기 유체압력을 검출하는 것을 특징으로 하는 변위검출장치.
- 제4항에 있어서, 상기 변위체(56)는 유체압력의 변위에 따라서 변위하는 다이어프램이고, 상기 검출회로(22)는, 검출한 상기 변위량으로부터 상치 유체압력을 검출하는 것을 특징으로 하는 변위검출장치.
- 제1항 또는 제2항에 있어서, 상기 외력은 중량이고, 상기 검출회로(22)는, 검출한 상기 변위량으로부터 상기 중량을 검출하는 것을 특징으로 하는 변위검출장치.
- 자기코일(58) 및 외력의 변화에 따라서 상기 자기코일(58)에 대하여 접근하거나 멀어지는 이동하는 자성코어(60)을 포함하는 LC공진회로(10)와, 그 LC공진회로(10)에 소정 주파수의 연속신호를 공급하는 발진기(14)와, 상기 LC공진회로(10)를 통해서 출력되는 연속신호의 진폭에 의하여 상기 자성코어(60)의 변위량을 검출하는 검출회러(22)를 구비하는 것을 특징으로 하는 변위검출장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9527095 | 1995-04-20 | ||
JP95-95270 | 1995-04-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960038359A true KR960038359A (ko) | 1996-11-21 |
KR100212176B1 KR100212176B1 (ko) | 1999-08-02 |
Family
ID=14133090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960011921A Expired - Fee Related KR100212176B1 (ko) | 1995-04-20 | 1996-04-19 | 변위검출장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5760577A (ko) |
KR (1) | KR100212176B1 (ko) |
CN (1) | CN1150646A (ko) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100202174B1 (ko) * | 1996-08-24 | 1999-06-15 | 구본준 | 파우어 온 리세트 신호 발생 회로 |
US20080109177A1 (en) * | 2003-09-19 | 2008-05-08 | Cech Leonard S | Magnetic crash sensor |
US8180585B2 (en) * | 1999-08-26 | 2012-05-15 | Tk Holdings, Inc. | Magnetic crash sensor |
US7190161B2 (en) * | 1999-08-26 | 2007-03-13 | Automotive Systems Laboratory, Inc. | Magnetic sensor |
US20070188168A1 (en) * | 1999-08-26 | 2007-08-16 | Stanley James G | Magnetic sensor |
IL135730A (en) * | 2000-04-18 | 2004-05-12 | Visonic Ltd | Displacement sensor |
RU2207498C1 (ru) * | 2002-02-20 | 2003-06-27 | Рассомагин Василий Радионович | Способ измерения перемещений контролируемых объектов |
KR20040035975A (ko) * | 2002-10-14 | 2004-04-30 | 주식회사 한국이미지 | 물체감지용 써치코일 |
DE10249919A1 (de) * | 2002-10-26 | 2004-05-13 | Festo Ag & Co. | Spulenanordnung als Magnetfeldsensor |
US7772839B2 (en) * | 2003-09-19 | 2010-08-10 | Tk Holdings, Inc. | Eddy current magnetic crash sensor |
US7839142B2 (en) * | 2003-09-19 | 2010-11-23 | Tk Holdings, Inc. | Magnetic crash sensor |
US7839143B2 (en) * | 2003-09-19 | 2010-11-23 | Tk Holdings Inc. | Eddy current magnetic crash sensor |
ITTO20050644A1 (it) * | 2005-09-20 | 2007-03-21 | Itw Metalflex Druzba Za Proizv | Sistema per la rilevazione di parametri operativi di un elettrodomestico dotato di un componente relativamente mobile |
ITTO20050643A1 (it) * | 2005-09-20 | 2007-03-21 | Itw Metalflex Druzba Za Proisv | Traduttore analogico di posizione o di una grandezza fisica correlata munito di calibrazione meccanica |
US7918801B2 (en) | 2005-12-29 | 2011-04-05 | Medility Llc | Sensors for monitoring movements, apparatus and systems therefor, and methods for manufacture and use |
US8018323B2 (en) * | 2006-01-30 | 2011-09-13 | Baohua Qi | RFID sensor device based on pulse-processing |
US8013714B2 (en) * | 2006-03-27 | 2011-09-06 | Baohua Qi | RFID sensor using pulse processing |
US8026795B2 (en) * | 2007-02-22 | 2011-09-27 | Baohua Qi | RFID sensor array and sensor group based on pulse-processing |
US7703334B2 (en) * | 2007-10-04 | 2010-04-27 | Medility Llc | Bandage type sensor arrangement and carrier assembly therefore, and method of manufacture |
US20090309578A1 (en) * | 2008-06-16 | 2009-12-17 | Cochran William T | Sensor inductors, sensors for monitoring movements and positioning, apparatus, systems and methods therefore |
US7956603B2 (en) * | 2008-06-16 | 2011-06-07 | Medility Llc | Sensor inductors, sensors for monitoring movements and positioning, apparatus, systems and methods therefore |
US20090309683A1 (en) * | 2008-06-16 | 2009-12-17 | Cochran William T | Sensor inductors, sensors for monitoring movements and positioning, apparatus, systems and methods therefore |
JP2011021947A (ja) * | 2009-07-14 | 2011-02-03 | Toshiba Corp | 重量検知装置 |
WO2011038753A1 (en) * | 2009-09-29 | 2011-04-07 | Abb Technology Ag | Pressure transmitter for measuring the pressure of a process fluid and related method |
FR2960068B1 (fr) * | 2010-05-12 | 2013-06-07 | Senstronic | Dispositif de detection et de denombrement d'elements metalliques |
US8499639B2 (en) * | 2010-06-21 | 2013-08-06 | Robert Bosch Gmbh | Inductively coupled pressure sensor |
DE102011119323B4 (de) * | 2010-11-29 | 2025-01-16 | Marquardt Mechatronik Gmbh | Sensor |
JP5720388B2 (ja) * | 2011-04-12 | 2015-05-20 | ミツミ電機株式会社 | 操作入力装置 |
ITTO20110422A1 (it) * | 2011-05-12 | 2012-11-13 | Elbi Int Spa | Dispositivo trasduttore elettrodinamico di posizione, e macchina lavatrice comprendente un tale dispositivo |
US9188487B2 (en) | 2011-11-16 | 2015-11-17 | Tyco Fire & Security Gmbh | Motion detection systems and methodologies |
CN103712667A (zh) * | 2012-09-29 | 2014-04-09 | 博西华电器(江苏)有限公司 | 水位检测装置及包含该水位检测装置的洗涤机 |
DE102014213741A1 (de) * | 2014-07-15 | 2016-02-18 | Micro-Epsilon Messtechnik Gmbh & Co. Kg | Schaltung und Verfahren zum Ansteuern eines Wegmesssensors |
DE102014219011A1 (de) * | 2014-09-22 | 2016-03-24 | Continental Teves Ag & Co. Ohg | Geschwindigkeitssensor |
US9694248B2 (en) * | 2015-10-13 | 2017-07-04 | Lawrence Maxwell Monari | Instrumented sports paraphernalia system |
US10503181B2 (en) * | 2016-01-13 | 2019-12-10 | Honeywell International Inc. | Pressure regulator |
CN105823091B (zh) * | 2016-03-29 | 2017-12-05 | 广东美的厨房电器制造有限公司 | 燃气灶及燃气灶自动开火控制方法 |
CN109789277B (zh) * | 2016-10-13 | 2022-03-29 | 艾斯曲尔医疗公司 | 用于药剂输送装置的控制器 |
CN108272339A (zh) * | 2018-03-24 | 2018-07-13 | 深圳市信为科技发展有限公司 | 位移传感器、电压力锅及烹饪控制方法 |
DE102019134953A1 (de) * | 2019-12-18 | 2021-06-24 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Induktive Sensoranordnung zur Erfassung einer Lageänderung eines Betätigungselements |
CN111692959B (zh) * | 2020-08-04 | 2025-02-11 | 孟祥莲 | 一种位移测量装置 |
KR20220167981A (ko) | 2021-06-15 | 2022-12-22 | 주식회사 케이티앤지 | 히터의 전원을 제어하는 에어로졸 생성 장치 및 그의 동작 방법 |
US20230243994A1 (en) * | 2022-02-02 | 2023-08-03 | Gm Cruise Holdings Llc | Use of low frequency electromagnetic signals to detect occluded anomalies by a vehicle |
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US3255405A (en) * | 1961-04-07 | 1966-06-07 | Trw Inc | Apparatus for measuring the electrical conductivity of a sample |
US3201774A (en) * | 1962-12-26 | 1965-08-17 | Tateisi Denki Kabushikikaisha | Electrical sensing apparatus |
GB1092362A (en) * | 1963-05-23 | 1967-11-22 | David Theodore Nelson Williams | Improvements in detectors for electrically conductive or magnetic particles |
US3373374A (en) * | 1966-06-01 | 1968-03-12 | Gen Precision Systems Inc | Self-tunable vehicle presence detector system |
US3602806A (en) * | 1969-02-12 | 1971-08-31 | Jan A Czekajewski | Selective activity meter for laboratory animals |
DE2046336A1 (de) * | 1970-09-19 | 1972-04-27 | Daimler Benz Ag | Elektronischer Weggeber |
US3896371A (en) * | 1973-12-17 | 1975-07-22 | Allen W Hametta | Metal detector with a resonating circuit being driven by a frequency higher than its natural resonance frequency |
US4568937A (en) * | 1982-06-03 | 1986-02-04 | Microsense Systems, Limited | Induction loop vehicle detector |
DE3347052A1 (de) * | 1983-12-24 | 1985-07-04 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und vorrichtung zur messempfindlichkeitserhoehung von beruehrungsfrei arbeitenden wegmesssensoren |
ZA877294B (en) * | 1986-09-29 | 1988-07-27 | Univ Western Australia | Inductive sensing |
AT390843B (de) * | 1986-11-12 | 1990-07-10 | Boehler Gmbh | Verfahren und messeinrichtung zur bestimmung des gehaltes an magnetisierbarer substanz in einer probe |
WO1988007152A1 (fr) * | 1987-03-14 | 1988-09-22 | Kabushiki Kaisha Kambayashi Seisakujo | Dispositif a solenoide |
JPH057526Y2 (ko) * | 1987-08-05 | 1993-02-25 | ||
DE3912946C3 (de) * | 1989-04-20 | 1996-06-20 | Turck Werner Kg | Induktiver Näherungsschalter |
-
1996
- 1996-04-19 US US08/634,928 patent/US5760577A/en not_active Expired - Fee Related
- 1996-04-19 KR KR1019960011921A patent/KR100212176B1/ko not_active Expired - Fee Related
- 1996-04-22 CN CN96106104A patent/CN1150646A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US5760577A (en) | 1998-06-02 |
KR100212176B1 (ko) | 1999-08-02 |
CN1150646A (zh) | 1997-05-28 |
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