CN115989398B - 传感器装置 - Google Patents

传感器装置 Download PDF

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Publication number
CN115989398B
CN115989398B CN202180053441.6A CN202180053441A CN115989398B CN 115989398 B CN115989398 B CN 115989398B CN 202180053441 A CN202180053441 A CN 202180053441A CN 115989398 B CN115989398 B CN 115989398B
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CN
China
Prior art keywords
electrode portion
circuit
sensor device
signal
capacitance
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.)
Active
Application number
CN202180053441.6A
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English (en)
Chinese (zh)
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CN115989398A (zh
Inventor
杉林英明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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
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Publication of CN115989398A publication Critical patent/CN115989398A/zh
Application granted granted Critical
Publication of CN115989398B publication Critical patent/CN115989398B/zh
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Classifications

    • 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
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
    • G01L27/007—Malfunction diagnosis, i.e. diagnosing a sensor defect
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08—Means for indicating or recording, e.g. for remote indication
    • G01L19/12—Alarms or signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/14—Housings
    • G01L19/141—Monolithic housings, e.g. molded or one-piece housings
    • 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
    • G01L9/12—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 capacitance, i.e. electric circuits therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Measuring Fluid Pressure (AREA)
CN202180053441.6A 2020-08-28 2021-07-21 传感器装置 Active CN115989398B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020144621 2020-08-28
JP2020-144621 2020-08-28
PCT/JP2021/027282 WO2022044632A1 (ja) 2020-08-28 2021-07-21 センサ装置

Publications (2)

Publication Number Publication Date
CN115989398A CN115989398A (zh) 2023-04-18
CN115989398B true CN115989398B (zh) 2025-05-09

Family

ID=80353232

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180053441.6A Active CN115989398B (zh) 2020-08-28 2021-07-21 传感器装置

Country Status (4)

Country Link
US (1) US20230194375A1 (https=)
JP (1) JP7388568B2 (https=)
CN (1) CN115989398B (https=)
WO (1) WO2022044632A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240085258A1 (en) * 2022-09-09 2024-03-14 Apple Inc. Active aggressor detection in pressure sensor port
CN119414475B (zh) * 2025-01-07 2025-10-03 江苏帝奥微电子股份有限公司 一种Type-C接口异物检测装置及其检测方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006078422A (ja) * 2004-09-13 2006-03-23 Mitsuba Corp 近接センサ及びそれを用いた挟み込み検出装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0712669A (ja) * 1993-06-29 1995-01-17 Nec Yamaguchi Ltd 真空スイッチ
JP2001141592A (ja) 1999-11-16 2001-05-25 Nec Yamaguchi Ltd ダイヤフラム式圧力計及びその誤差測定方法
JP2005227225A (ja) * 2004-02-16 2005-08-25 Honda Motor Co Ltd 静電容量型センサ及び挟み込み防止装置
JP4678752B2 (ja) * 2004-05-27 2011-04-27 東京エレクトロン株式会社 圧力計の製造方法及びガス処理装置の製造方法
JP2010249531A (ja) * 2009-04-10 2010-11-04 Fujikura Ltd 雨滴検知装置およびワイパー動作制御装置
JP4888743B2 (ja) * 2009-07-09 2012-02-29 アイシン精機株式会社 静電容量検出装置
JP2012145407A (ja) * 2011-01-11 2012-08-02 Hitachi Cable Ltd 感圧センサ
CN103529092B (zh) * 2012-07-05 2016-05-25 北斗电子工业株式会社 静电电容式水分检测装置
FI126999B (en) * 2014-01-17 2017-09-15 Murata Manufacturing Co Improved pressure sensor
JP2015165222A (ja) * 2014-03-03 2015-09-17 株式会社デンソー 圧力センサ
CN106574828A (zh) * 2014-08-22 2017-04-19 株式会社村田制作所 压电传感器以及检测装置
DE202016008703U1 (de) * 2016-12-24 2019-02-27 Wlka Alexander Wiegand Se & Co. Kg Druckmittleraufbau mit evakuierter Doppelmembran und Vakuumüberwachung und kombiniertem Alarmsignal
US10976278B2 (en) * 2017-08-31 2021-04-13 Apple Inc. Modifying functionality of an electronic device during a moisture exposure event
JP6824430B2 (ja) * 2017-10-04 2021-02-03 アルプスアルパイン株式会社 静電センサ及びドアハンドル
US10739221B2 (en) * 2018-06-15 2020-08-11 Apple Inc. Water detecting pressure sensors
US11422104B2 (en) * 2019-09-06 2022-08-23 Apple Inc. Exposed wire-bonding for sensing liquid and water in electronic devices
CN210839520U (zh) * 2019-11-06 2020-06-23 苏州宝时得电动工具有限公司 电动工具

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006078422A (ja) * 2004-09-13 2006-03-23 Mitsuba Corp 近接センサ及びそれを用いた挟み込み検出装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"单一平面电容式漏水检测传感器的研究";杨亭、粘丹妮;《现代电子技术》;20140601;第158-159页 *

Also Published As

Publication number Publication date
JPWO2022044632A1 (https=) 2022-03-03
CN115989398A (zh) 2023-04-18
JP7388568B2 (ja) 2023-11-29
US20230194375A1 (en) 2023-06-22
WO2022044632A1 (ja) 2022-03-03

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