WO2003104052A1 - Dispositif pour eviter la formation de depots de particules/substances sur un appareil optique sensible, notamment une surface de detection - Google Patents

Dispositif pour eviter la formation de depots de particules/substances sur un appareil optique sensible, notamment une surface de detection Download PDF

Info

Publication number
WO2003104052A1
WO2003104052A1 PCT/DE2003/000930 DE0300930W WO03104052A1 WO 2003104052 A1 WO2003104052 A1 WO 2003104052A1 DE 0300930 W DE0300930 W DE 0300930W WO 03104052 A1 WO03104052 A1 WO 03104052A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor surface
annular gap
flow
protected
feed channel
Prior art date
Application number
PCT/DE2003/000930
Other languages
German (de)
English (en)
Inventor
Hans-Dieter Bothe
Hoang Trinh
Heiko Freienstein
Thomas Engelberg
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2003104052A1 publication Critical patent/WO2003104052A1/fr

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
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
    • B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
    • B60S1/0833—Optical rain sensor
    • B60S1/0844—Optical rain sensor including a camera
    • B60S1/0848—Cleaning devices for cameras on vehicle
    • 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
    • B60S1/54—Cleaning windscreens, windows or optical devices using gas, e.g. hot air
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • G01N2021/151—Gas blown

Definitions

  • the invention relates to a device for avoiding deposits of particles / substances on a sensitive optical device, in particular a sensor surface, with the features mentioned in the preamble of claim 1.
  • suitable housings or housing casings prevent dirt from being deposited on the sensor surface.
  • the disadvantage here is that the housing or For example, the housing shell mostly affects the function of the sensor. Furthermore, the device usually has to be removed with great difficulty for cleaning or replacement.
  • the prior art also includes a device known from patent literature EP 0 436 701 B1, in which a rotating disk / lens is used in front of the actual optics. Moisture and dirt deposits are continuously removed from the lens due to the centrifugal force generated.
  • this device has the disadvantage that the dirt-sensitive sensor surfaces also have to be cleaned and serviced at short intervals under unfavorable ambient conditions.
  • DE 197 16 757 A1 also describes a further device for contactless, locally limited heating of material with the aid of focused radiation, in particular light, for focusing it concave reflector and an optical system are provided, known, in which means are provided for guiding a gas flow, which is used to cool components of the light source, and which guide the gas flow heated by the light source in such a way that it releases particles or vapors from the device during operation the optics or away from a protective glass.
  • the means required to guide the gas flow away from the optics or from a protective glass include an air supply, a guide ring and a nozzle screen.
  • a disadvantage of this known solution is that both a guide ring and a nozzle orifice are required to guide the air flow, at least the nozzle orifice having a disruptive effect, for example in the area of video-based motor vehicle interior sensors, in front of the sensors. Furthermore, the nozzle covers build on the sensor surface and form sharp edges, in particular when used in a motor vehicle interior, which are also easily destroyed if the occupants of the motor vehicle are careless.
  • the device according to the invention with the features mentioned in claim 1 offers the advantage that deposits of particles / substances on sensitive optical devices can be avoided in a simple manner with a simple, robust, maintenance-free and inexpensive construction.
  • the agent is designed as a supply channel and / or as a suction channel.
  • the advantage is created that directly above a predeterminable area of the optical device, the gaseous medium supplied to the sensor surface, then passed and / or removed from it, generates a protective cross flow.
  • the advantage is created according to claim 5 that a circulating air circuit can be produced by connecting the supply duct to the suction duct via a connecting line. A blower, a filter and a secondary outlet integrated in the connecting line create a cost-effective, energy-saving and pulsation-free circulation circuit.
  • the means according to claim 7 can be formed as an annular gap or as a tangential annular gap.
  • the annular gap forms, together with the supply channel, a central blowout (sink flow) in the area to be protected and, in the case of a combination with the suction channel, a central suction (source flow).
  • the tangential annular gap is arranged in a spiral housing, as a result of which a vortex blowout (vertebral sink flow) can be formed in the area to be protected.
  • Both single-phase and multi-phase mixtures can be used as the gaseous medium, which can alternatively be adjusted with respect to their temperature and / or humidity depending on the given boundary conditions.
  • the protection is generated effecting flows, according to the independent claims 4, 8, 9 and 10, can be combined with mechanical protection elements. If the flow generated by the supply and / or discharge of the gaseous medium is interrupted or if objects such as parts of the body in a passenger compartment occupied by a vehicle approach, a protective cover folds, swivels or rotates in front of the sensor surface, depending on the design. This folding, swiveling or turning of the protective cover takes place automatically.
  • Various methods are known for the automatic detection of larger objects in the area of the sensor surface, for example light barriers, video sensors, but also by evaluating camera images using methods known from suitable algorithms.
  • the mechanical protective element - the protective cover - can be made in one piece or in several parts.
  • the protective cover can consist of two halves that fold over the sensor surface.
  • Other possible designs, such as an iris diaphragm, a slit diaphragm, a link-shaped flap or a swivel cover, can also be implemented.
  • the protective cover can additionally be equipped with a scraper, which cleans the sensor surface when it is opened and closed, and any residues, such as fat residues from fingerprints and the like, which are caused by the one Flow-generating, gaseous medium can not be prevented, eliminated.
  • a scraper which cleans the sensor surface when it is opened and closed, and any residues, such as fat residues from fingerprints and the like, which are caused by the one Flow-generating, gaseous medium can not be prevented, eliminated.
  • FIG. 1 shows a sectional illustration of an optical device with a feed channel generating a cross flow
  • FIG. 2 shows a view A of a sensor surface of the optical device with the feed channel generating the cross flow
  • FIG. 3 shows the optical device with the feed channel and a suction channel of the generated cross flow and a connecting line
  • FIG. 4 shows the optical device with an annular gap which generates a source flow via the suction channel
  • FIG. 5 shows a section AA of the annular gap with the generated source flow
  • FIG. 6 shows the optical device with a sink flow generated by the annular gap via the feed channel
  • Figure 7 is a section A-A of the annular gap and the sink flow generated
  • Figure 8 shows the optical device with a vortex sink flow generated by a tangential annular gap over the feed channel
  • Figure 9 shows a section A-A of the tangential annular gap with the vortex sink flow generated.
  • FIG. 1 shows a sectional illustration of an optical device 100 with a feed channel 18 that generates a cross flow 24.
  • the feed channel 18 is a means 12 which has the property of specifying the direction of the flow — here the cross flow 24.
  • a sensor surface 10 of the optical device 100 is not restricted, that is to say the target field to be sensed is not impaired by the feed channel 18.
  • the feed channel 18 ends in an edge region of the optical device 100.
  • a gaseous medium 14 is introduced into the feed channel 18 on an access side 26, by means of which the gaseous cross flow 24 is generated.
  • FIG. 1 and FIG. 2 show that the cross-flow 24 flows over the entire surface area 22 that can be predetermined.
  • FIG. 2 shows a view A of the sensor surface 10 of the optical device 100 with the feed channel 18 which generates the cross flow 24.
  • the feed channel 18 arranged at the edge of the optical device 100 illustrates the uncovered sensor surface 10.
  • the area 22 which is separated from the gaseous medium 14 to be protected or painted over can be predetermined by designing the feed channel 18. By halving it can be achieved, for example, that only a partial area of the sensor surface is covered by the gaseous medium 14 and protected by a transverse flow 24.
  • FIG. 3 shows the optical device 100 with the feed channel 18 and a suction channel 20, which are arranged to generate the cross flow 24.
  • an outlet side 28 of the suction channel is connected to the access side 26 of the feed channel 18 via a connecting line 30.
  • the gaseous medium 14 advantageously forms the cross flow 24 in front of the sensor surface 10 via the predeterminable region 22.
  • the connecting line 30 there are suitable arrangements for filtration -a filter 34-, for generating the volume flow -a fan 32-, for conditioning the gaseous medium 14 -a processing device 50- and a venting device -a secondary outlet 48- to avoid pulsations integrated.
  • the processing device 50 is able to condition desired parameters of the gaseous medium 14, such as temperature, humidity and the like, in a type of air conditioning system, whereby positive effects, such as, for example, fogging of the sensor surface 10, are achieved.
  • FIG. 4 shows the optical device 100 with an annular gap 36 that generates a source flow 40 via the suction channel 20.
  • the gaseous medium 14 is sucked in here via the suction channel 20 via the outlet side 28 and generates a central suction (source flow 40) on the sensor surface 10
  • the arrangement of the annular gap 36 is arranged such that the sensor surface 10 is not covered.
  • FIG. 5 shows in connection with FIG. 4 a section A-A of the annular gap 36 with the generated source flow 40, which merges into the suction channel 20.
  • a sufficiently strong formation of the central suction flow (source flow 40) achieves complete protection of the sensor surface 10.
  • FIG. 6 shows the reverse case of FIG. 5 with regard to the direction of flow, the optical device 100 with a central blowout (sink flow 38) generated by the annular gap 36 via the feed channel 18.
  • the gaseous medium 14 is fed to the feed channel 18 via the access side 26 and forms a central blowout (sink flow 38) on the sensor surface.
  • FIG. 7 shows an associated section AA of the annular gap 36 and the central blowout (sink flow 38) generated. Further reference numerals shown mean the same parts as in the previous figures.
  • FIG. 8 shows the optical device 100 with a central blowout (vortex sink flow 48) generated by a tangential annular gap 42 via the feed channel 18.
  • the gaseous medium 14 is supplied as already described in FIG. 6.
  • the difference is in the formation of the tangential annular gap 42 with a spiral housing 44.
  • the central blow-out (vortex sink flow) is generated by the spiral housing 44 and the tangential annular gap 42 thus created.
  • FIG. 9 shows an associated section A-A of the tangential annular gap 42 with a central blowout (vortex sink flow 46).
  • the same reference numerals mean the same parts.
  • the described device for avoiding deposits of particles / substances on a sensor surface 10 of an optical device 100 and the devices 18, 20, 36, 42, 44 of the generated currents 24, 38, 40, 46 are provided with mechanical protective elements 16 combinable.
  • the mechanical protective elements 16 have not been shown in the figures.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automation & Control Theory (AREA)
  • Studio Devices (AREA)

Abstract

L'invention concerne un dispositif permettant d'éviter la formation de dépôts de particules/substances sur une surface de détection d'appareil optique. Il est prévu au moins un moyen (12) associé à l'appareil optique (100), qui ne limite pas la surface de détection (10) et protège de manière directionnelle une zone prédéfinissable (22) de la surface de détection (10), par un milieu gazeux (14) pouvant être amené et évacué.
PCT/DE2003/000930 2002-06-06 2003-03-21 Dispositif pour eviter la formation de depots de particules/substances sur un appareil optique sensible, notamment une surface de detection WO2003104052A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10225151.7 2002-06-06
DE10225151A DE10225151A1 (de) 2002-06-06 2002-06-06 Vorrichtung zur Vermeidung von Ablagerungen von Partikeln/Substanzen auf einem empfindlichen optischen Gerät, insbesondere einer Sensor-Oberfläche

Publications (1)

Publication Number Publication Date
WO2003104052A1 true WO2003104052A1 (fr) 2003-12-18

Family

ID=29557596

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2003/000930 WO2003104052A1 (fr) 2002-06-06 2003-03-21 Dispositif pour eviter la formation de depots de particules/substances sur un appareil optique sensible, notamment une surface de detection

Country Status (2)

Country Link
DE (1) DE10225151A1 (fr)
WO (1) WO2003104052A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1724666A2 (fr) * 2005-05-19 2006-11-22 Avago Technologies General IP Pte. Ltd. Souris optique et procédé de suppression des contaminants dans une souris optique
FR3026031A1 (fr) * 2014-09-23 2016-03-25 Valeo Systemes Dessuyage Dispositif de protection d'un capteur optique
GB2516545B (en) * 2013-05-23 2017-02-08 Q-Bot Ltd Method of covering surface of a building and robot therefor
US20170225660A1 (en) * 2016-02-05 2017-08-10 Valeo Systèmes d'Essuyage Optical detection system for a motor vehicle, and device for cleaning such a system
NO20170980A1 (en) * 2017-06-15 2018-12-17 Mostad Mekaniske As Cleaning assembly for cleaning surface of vehicle-mounted camera or sensor
FR3091578A1 (fr) * 2019-01-03 2020-07-10 Centre Scientifique et Technique du Bâtiment - CSTB Dispositif anti-condensation et antigivrage destine a souffler de l’air ambiant le long d’une surface ou en direction d’une surface

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004011091A1 (de) * 2004-03-06 2005-09-22 Bayerische Motoren Werke Ag Einrichtung zur Reinhaltung der Oberfläche eines Sensors oder einer Sensorbaueinheit an einem Fahrzeug
DE102007037923A1 (de) * 2007-08-10 2009-02-12 Giesecke & Devrient Gmbh Optischer Sensor zur Erfassung von Wertdokumenten und Verfahren zur Reinhaltung eines Sensorfensters des Sensors
DE102010025758A1 (de) * 2010-07-01 2012-01-05 Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) Reinigungsvorrichtung für die Sichtfläche einer Anzeigeeinrichtung in einem Fahrzeug
RU2013133457A (ru) * 2010-12-22 2015-01-27 Делаваль Холдинг Аб Способ и устройство защиты оптического устройства обнаружения от загрязнения
DE102014204091A1 (de) * 2013-06-18 2014-12-18 Robert Bosch Gmbh Bearbeitungsmaschine zur autonomen Bearbeitung eines zugeordneten Arbeitsbereichs
DE102014202072A1 (de) 2014-01-24 2015-07-30 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung zum Reinigen einer optischen Linse einer Parkassistenzkamera
DE102014213283A1 (de) * 2014-07-09 2016-01-14 Application Solutions (Electronics and Vision) Ltd. Kamerasystem für ein Fahrzeug
DE102014219375A1 (de) * 2014-09-25 2016-03-31 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Messung von Eigenschaften von Stoffpartikeln
EP3676136A1 (fr) * 2017-06-02 2020-07-08 Jetwipe 2017 IVS Système de nettoyage pour surface optique
IT201800004056A1 (it) 2018-03-28 2019-09-28 Ambarella Inc Apparato per pulire una lente di telecamera
DE102019101092B4 (de) * 2019-01-16 2022-04-28 Motherson Innovations Company Limited Vorrichtung zur Reinigung mindestens eines Objektivs mindestens einer Kamera, Kamerasystem und Kamerahalter, umfassend eine solche Vorrichtung, und Verfahren
DE102019214705A1 (de) 2019-09-25 2021-03-25 Continental Automotive Gmbh Reinigungsvorrichtung zum Reinigen einer Oberfläche einer Sensorvorrichtung
WO2021139884A1 (fr) * 2020-01-08 2021-07-15 Wacker Chemie Ag Dispositifs de rinçage pour la surveillance optique de processus
JP7424170B2 (ja) * 2020-03-31 2024-01-30 東洋製罐株式会社 保護装置、保護方法および無人航空機
US11780409B2 (en) * 2020-08-06 2023-10-10 Ford Global Technologies, Llc Sensor apparatus with cleaning
DE102020213746A1 (de) 2020-11-02 2022-05-05 Robert Bosch Gesellschaft mit beschränkter Haftung Sichtfensteranordnung für ein Gehäuse einer LiDAR-Sensoreinrichtung, Gehäuse, LiDAR-Sensoreinrichtung und Arbeitsvorrichtung
LV15649B (lv) * 2020-12-07 2022-11-20 Weedbot, Sia Ierīce optisko elementu aizsardzībai no daļiņu adhēzijas

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565516A (en) * 1969-07-25 1971-02-23 Us Navy Extended range underwater optics system
JPS56168619A (en) * 1980-05-30 1981-12-24 Hitachi Ltd Fogging remover for optical lens
US5096287A (en) * 1990-03-15 1992-03-17 Aisin Seiki K.K. Video camera for an automobile
JPH08113082A (ja) * 1994-10-18 1996-05-07 Hino Motors Ltd 車両用ビデオカメラの汚れ防止装置
EP0974828A1 (fr) * 1998-07-14 2000-01-26 Valmet Automation Inc. Procédé permettant de garder propre la fenêtre d'inspection d'un dispositif de mesure, et dispositif de mesure
DE10012004A1 (de) * 2000-03-11 2001-09-27 Bosch Gmbh Robert Einrichtung zum Sauberhalten optischer Elemente in Kraftfahrzeugen, insbesondere von Sensor- oder Kamera-Abdeckungen
DE10046423A1 (de) * 2000-09-20 2002-03-28 Bauer Hans Joachim Frontscheiben-Wasch- und Reinhaltungsanlage für Kfz.e

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565516A (en) * 1969-07-25 1971-02-23 Us Navy Extended range underwater optics system
JPS56168619A (en) * 1980-05-30 1981-12-24 Hitachi Ltd Fogging remover for optical lens
US5096287A (en) * 1990-03-15 1992-03-17 Aisin Seiki K.K. Video camera for an automobile
JPH08113082A (ja) * 1994-10-18 1996-05-07 Hino Motors Ltd 車両用ビデオカメラの汚れ防止装置
EP0974828A1 (fr) * 1998-07-14 2000-01-26 Valmet Automation Inc. Procédé permettant de garder propre la fenêtre d'inspection d'un dispositif de mesure, et dispositif de mesure
DE10012004A1 (de) * 2000-03-11 2001-09-27 Bosch Gmbh Robert Einrichtung zum Sauberhalten optischer Elemente in Kraftfahrzeugen, insbesondere von Sensor- oder Kamera-Abdeckungen
DE10046423A1 (de) * 2000-09-20 2002-03-28 Bauer Hans Joachim Frontscheiben-Wasch- und Reinhaltungsanlage für Kfz.e

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 006, no. 053 (P - 109) 8 April 1982 (1982-04-08) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 09 30 September 1996 (1996-09-30) *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1724666A3 (fr) * 2005-05-19 2008-05-07 Avago Technologies General IP Pte. Ltd. Souris optique et procédé de suppression des contaminants dans une souris optique
EP1724666A2 (fr) * 2005-05-19 2006-11-22 Avago Technologies General IP Pte. Ltd. Souris optique et procédé de suppression des contaminants dans une souris optique
US10478972B2 (en) 2013-05-23 2019-11-19 Q-Bot Limited Method of covering a surface of a building and robot therefor
US11077457B2 (en) 2013-05-23 2021-08-03 Q-Bot Limited Method of covering a surface of a building and robot therefor
GB2516545B (en) * 2013-05-23 2017-02-08 Q-Bot Ltd Method of covering surface of a building and robot therefor
US10676070B2 (en) 2014-09-23 2020-06-09 Valeo Systèmes d'Essuvage Device for protection of an optical sensor
JP2017538613A (ja) * 2014-09-23 2017-12-28 ヴァレオ システム デシュヤージュＶａｌｅｏ Ｓｙｓｔｅｍｅｓ Ｄ’Ｅｓｓｕｙａｇｅ 光学センサの保護のための装置
WO2016045828A1 (fr) * 2014-09-23 2016-03-31 Valeo Systèmes d'Essuyage Dispositif de protection d'un capteur optique
FR3026031A1 (fr) * 2014-09-23 2016-03-25 Valeo Systemes Dessuyage Dispositif de protection d'un capteur optique
CN107042215A (zh) * 2016-02-05 2017-08-15 法雷奥系统公司 用于机动车辆的光学检测系统以及用于清洁该系统的装置
US20170225660A1 (en) * 2016-02-05 2017-08-10 Valeo Systèmes d'Essuyage Optical detection system for a motor vehicle, and device for cleaning such a system
NO20170980A1 (en) * 2017-06-15 2018-12-17 Mostad Mekaniske As Cleaning assembly for cleaning surface of vehicle-mounted camera or sensor
NO343391B1 (en) * 2017-06-15 2019-02-18 Mostad Mekaniske As Cleaning assembly for cleaning surface of vehicle-mounted camera or sensor
CN110770094A (zh) * 2017-06-15 2020-02-07 罗默赖恩股份公司 用于从物体表面去除物料的方法和设备
EP3638551A4 (fr) * 2017-06-15 2021-03-03 Romoline AS Appareil pour le nettoyage d'une surface d'objet
FR3091578A1 (fr) * 2019-01-03 2020-07-10 Centre Scientifique et Technique du Bâtiment - CSTB Dispositif anti-condensation et antigivrage destine a souffler de l’air ambiant le long d’une surface ou en direction d’une surface

Also Published As

Publication number Publication date
DE10225151A1 (de) 2003-12-18

Similar Documents

Publication Publication Date Title
WO2003104052A1 (fr) Dispositif pour eviter la formation de depots de particules/substances sur un appareil optique sensible, notamment une surface de detection
DE3520413C2 (fr)
EP3609747B1 (fr) Dispositif de nettoyage servant à nettoyer un élément de recouvrement transparent d'un dispositif optique ou optoélectronique
DE10012004A1 (de) Einrichtung zum Sauberhalten optischer Elemente in Kraftfahrzeugen, insbesondere von Sensor- oder Kamera-Abdeckungen
EP0438076A2 (fr) Distributeur d'air pour cabines de véhicules
DE19953337A1 (de) Kraftfahrzeugheiz- und/oder -klimaanlage mit einem Verunreinigungssensor
DE19900484A1 (de) Meßsystem zur Reststaubüberwachung für Sicherheitssauger
DE102016216074A1 (de) Vorrichtung zum gleichzeitigen Messen der Innentemperatur und des Feinstaubs in einem Fahrzeug
DE112015002274T5 (de) Lüftungseinheit für Fahrzeug-Klimaanlage
DE3221612C2 (fr)
DE102019004778A1 (de) Kamerasystem mit passivem Reinigungssystem für ein Kraftfahrzeug
DE102006008272B4 (de) Kraftfahrzeug mit einer optischen Erfassungsvorrichtung
DE10036502C1 (de) Klimaanlage für ein Fahrzeug
DE102020124959B4 (de) Kamerasystem
DE102019211696B4 (de) Luftleitanordnung für einen Fahrzeuginnenraum
EP3217075B1 (fr) Dispositif d'éclairage de véhicule automobile ventilé comprenant un filtre à air échangeable
DE102014111752A1 (de) Schutz- bzw. Reinigungseinrichtung für eine Kameravorrichtung in Fahrzeugen
DE19537595C1 (de) Belüftungsvorrichtung für Fahrzeuge
DE19731748A1 (de) Klima-Steuervorrichtung für Kraftfahrzeuge
DE102020202051A1 (de) Streulichtblende für eine Blickfelderfassungseinrichtung im Fahrzeug und Blickfelderfassungssystem
EP0819460B1 (fr) Filtre à air
DE102010013100A1 (de) Feinstaubabsaugeeinrichtung
EP1502642A1 (fr) Dispositif de filtre
DE102020213746A1 (de) Sichtfensteranordnung für ein Gehäuse einer LiDAR-Sensoreinrichtung, Gehäuse, LiDAR-Sensoreinrichtung und Arbeitsvorrichtung
EP0588770A1 (fr) Procédé pour filtrer un médium et dispositif pour la réalisation du procédé

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase