FR3117385B1 - Dispositif pour nettoyer une surface optique - Google Patents

Dispositif pour nettoyer une surface optique Download PDF

Info

Publication number
FR3117385B1
FR3117385B1 FR2013210A FR2013210A FR3117385B1 FR 3117385 B1 FR3117385 B1 FR 3117385B1 FR 2013210 A FR2013210 A FR 2013210A FR 2013210 A FR2013210 A FR 2013210A FR 3117385 B1 FR3117385 B1 FR 3117385B1
Authority
FR
France
Prior art keywords
optical surface
cleaning
wave
transducers
piezoelectric layer
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
FR2013210A
Other languages
English (en)
Other versions
FR3117385A1 (fr
Inventor
Adrien Peret
Michaël Baudoin
Ravinder Chutani
Frederic Bretagnol
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.)
Centre National de la Recherche Scientifique CNRS
Valeo Systemes dEssuyage SAS
Ecole Centrale de Lille
Universite de Valenciennes et du Hainaut Cambresis
Universite de Lille
Original Assignee
Centre National de la Recherche Scientifique CNRS
Valeo Systemes dEssuyage SAS
Ecole Centrale de Lille
Universite de Valenciennes et du Hainaut Cambresis
Universite de Lille
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 Centre National de la Recherche Scientifique CNRS, Valeo Systemes dEssuyage SAS, Ecole Centrale de Lille, Universite de Valenciennes et du Hainaut Cambresis, Universite de Lille filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR2013210A priority Critical patent/FR3117385B1/fr
Priority to JP2023535957A priority patent/JP2024500374A/ja
Priority to CN202180084013.XA priority patent/CN116669872A/zh
Priority to EP21839087.0A priority patent/EP4260123A1/fr
Priority to PCT/EP2021/085494 priority patent/WO2022128919A1/fr
Priority to US18/267,357 priority patent/US20240042969A1/en
Publication of FR3117385A1 publication Critical patent/FR3117385A1/fr
Application granted granted Critical
Publication of FR3117385B1 publication Critical patent/FR3117385B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • B08B7/026—Using sound waves
    • B08B7/028—Using ultrasounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4813—Housing arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating
    • G01S2007/4975—Means for monitoring or calibrating of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen
    • G01S2007/4977—Means for monitoring or calibrating of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen including means to prevent or remove the obstruction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optics & Photonics (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

Dispositif pour nettoyer une surface optique Dispositif (5) comportant :- une surface optique (10) transparente,- une unité de nettoyage (15) de la surface optique comportant une couche piézoélectrique (20) et au moins deux transducteurs d’onde (45), chaque transducteur d’onde comportant des électrodes (40) de polarité opposée au contact de la couche piézoélectrique et étant couplé acoustiquement avec la surface optique pour générer au moins une onde ultrasonore de surface (WS) ou une onde de Lamb (WL) se propageant dans la surface optique, les transducteurs étant en outre disposés en périphérie de la surface optique. Figure pour l’abrégé : Fig. 2
FR2013210A 2020-12-14 2020-12-14 Dispositif pour nettoyer une surface optique Active FR3117385B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR2013210A FR3117385B1 (fr) 2020-12-14 2020-12-14 Dispositif pour nettoyer une surface optique
JP2023535957A JP2024500374A (ja) 2020-12-14 2021-12-13 光学表面を清掃するための装置
CN202180084013.XA CN116669872A (zh) 2020-12-14 2021-12-13 用于清洁光学表面的装置
EP21839087.0A EP4260123A1 (fr) 2020-12-14 2021-12-13 Dispositif pour nettoyer une surface optique
PCT/EP2021/085494 WO2022128919A1 (fr) 2020-12-14 2021-12-13 Dispositif pour nettoyer une surface optique
US18/267,357 US20240042969A1 (en) 2020-12-14 2021-12-13 Device for cleaning an optical surface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2013210 2020-12-14
FR2013210A FR3117385B1 (fr) 2020-12-14 2020-12-14 Dispositif pour nettoyer une surface optique

Publications (2)

Publication Number Publication Date
FR3117385A1 FR3117385A1 (fr) 2022-06-17
FR3117385B1 true FR3117385B1 (fr) 2024-06-28

Family

ID=75278124

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2013210A Active FR3117385B1 (fr) 2020-12-14 2020-12-14 Dispositif pour nettoyer une surface optique

Country Status (6)

Country Link
US (1) US20240042969A1 (fr)
EP (1) EP4260123A1 (fr)
JP (1) JP2024500374A (fr)
CN (1) CN116669872A (fr)
FR (1) FR3117385B1 (fr)
WO (1) WO2022128919A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3140840A1 (fr) * 2022-10-12 2024-04-19 Valeo Systèmes D’Essuyage unité de protection et ensemble de détection pour véhicule automobile
FR3164405A1 (fr) 2024-07-11 2026-01-16 Vision Dispositif et procédé de nettoyage d’un support par conversion d’une onde de volume ultrasonore en une onde de surface ultrasonore

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5002326A (en) * 1990-01-22 1991-03-26 Westfield William R Automotive windshield laminated protector
JPH08140898A (ja) * 1991-05-29 1996-06-04 Y & Y:Kk 弾性表面波ワイパー
JPH07223513A (ja) * 1994-02-14 1995-08-22 Aisin Seiki Co Ltd 車両用ミラー装置
JPH07315178A (ja) * 1994-05-25 1995-12-05 Aisin Seiki Co Ltd 弾性表面波発生装置
DE69603687T2 (de) * 1995-06-19 2000-02-17 Koninklijke Philips Electronics N.V., Eindhoven Piezoelektrisches material, piezoelektrisches element und herstellungsverfahren
JP5056919B2 (ja) * 2009-09-29 2012-10-24 株式会社デンソー 車載光学センサカバー及び車載光学センサ装置
GB2518136B (en) 2013-07-22 2016-09-14 Echovista Gmbh Ultrasonically clearing precipitation
US9192278B2 (en) * 2013-09-30 2015-11-24 Elwha Llc Self-cleaning substrate
US9925570B2 (en) * 2014-11-26 2018-03-27 Nec Corporation Open path optical sensing system having an ultrasonic cleaner and method
US10401618B2 (en) * 2015-03-11 2019-09-03 Texas Instruments Incorporated Ultrasonic lens cleaning system with current sensing
US20200122196A1 (en) * 2015-03-16 2020-04-23 Innovasonic, Inc. Display cover glass with piezoelectric transducer array
US10695805B2 (en) * 2017-02-03 2020-06-30 Texas Instruments Incorporated Control system for a sensor assembly
KR20180086173A (ko) 2018-07-19 2018-07-30 명지대학교 산학협력단 전기습윤을 이용하는 클리닝 기기 및 이에 있어서 액적 제거 방법

Also Published As

Publication number Publication date
WO2022128919A1 (fr) 2022-06-23
FR3117385A1 (fr) 2022-06-17
US20240042969A1 (en) 2024-02-08
JP2024500374A (ja) 2024-01-09
EP4260123A1 (fr) 2023-10-18
CN116669872A (zh) 2023-08-29

Similar Documents

Publication Publication Date Title
FR3117384B1 (fr) Dispositif pour nettoyer une surface optique
FR3117385B1 (fr) Dispositif pour nettoyer une surface optique
DE60018195D1 (de) Gerader oder gekrümmter ultraschallwandler und anschlusstechnik dafür
FR3100998B1 (fr) Dispositif pour nettoyer un support recouvert d’un liquide
Ing et al. Time recompression of dispersive Lamb waves using a time reversal mirror-application to flaw detection in thin plates
EP4645300A3 (fr) Dispositif d'imagerie ultrasonore à anatomie programmable et imagerie de flux
US8098915B2 (en) Longitudinal pulse wave array
US20200282424A1 (en) Optically transparent micromachined ultrasonic transducer (cmut)
ATE439582T1 (de) Massesensitiver sensor
WO2007095390A3 (fr) Procédé et appareil pour imagerie utilisant un réseau de capteurs d'imagerie ultrasonore
JPS63111619U (fr)
FR2851662B1 (fr) Procede et dispositif de detection de discontinuites dans un milieu
JP7432657B2 (ja) 光学的完全性の音響検出の方法及び適用
JP2017187420A (ja) 音振感知装置
JP2009501330A (ja) 圧電超音波変換器を具えるフローセル
FR3083004B1 (fr) Dispositif transducteur piezoelectrique et procede de realisation d'un tel dispositif
ES2114635T3 (es) Dispositivo de deteccion ultrasonora de cuerpos extraños presentes en la superficie exterior de un cristal, cristal equipado de tal dispositivo y cristal destinado a ser equipado de un dispositivo de deteccion ultrasonora.
JP2005351723A (ja) 超音波探傷装置
JP2019007824A (ja) 光音響測定プローブ
Zhang et al. An optically transparent air-coupled capacitive micromachined ultrasonic transducer (CMUT) fabricated using adhesive bonding
JP4288688B2 (ja) 移動速度測定装置
WO2005015540A1 (fr) Procede et dispositif d'imagerie par ondes acoustiques
JP2015073793A (ja) 超音波探触子およびそれを用いた超音波診断装置
JPH0529717Y2 (fr)
JPS62127665A (ja) 光フアイバの一端に超音波及び光を導入する装置

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20220617

ST Notification of lapse

Effective date: 20230808

PLFP Fee payment

Year of fee payment: 4

RN Application for restoration

Effective date: 20231012

FC Decision of inpi director general to approve request for restoration

Effective date: 20240226

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6