EP1660926A1 - Module camera dote d'une plaque de couverture chauffante - Google Patents

Module camera dote d'une plaque de couverture chauffante

Info

Publication number
EP1660926A1
EP1660926A1 EP04740587A EP04740587A EP1660926A1 EP 1660926 A1 EP1660926 A1 EP 1660926A1 EP 04740587 A EP04740587 A EP 04740587A EP 04740587 A EP04740587 A EP 04740587A EP 1660926 A1 EP1660926 A1 EP 1660926A1
Authority
EP
European Patent Office
Prior art keywords
camera module
cover plate
resistance heater
module according
lens
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.)
Withdrawn
Application number
EP04740587A
Other languages
German (de)
English (en)
Inventor
Ernani M. Fernandes
Markus BRÄUNIG
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.)
Valeo Schalter und Sensoren GmbH
Original Assignee
Valeo Schalter und Sensoren 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 Valeo Schalter und Sensoren GmbH filed Critical Valeo Schalter und Sensoren GmbH
Publication of EP1660926A1 publication Critical patent/EP1660926A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B60S1/62—Other vehicle fittings for cleaning
    • B60S1/66—Other vehicle fittings for cleaning for cleaning vehicle exterior
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • 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
    • B60S1/023—Cleaning windscreens, windows or optical devices including defroster or demisting means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/008—Mountings, adjusting means, or light-tight connections, for optical elements with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft

Definitions

  • the invention is based on a camera module with a lens, with an evaluation unit, in particular a charge-coupled device, and with a cover plate, such as is used for monitoring the environment at the rear end of a motor vehicle.
  • these camera modules are used in a motor vehicle to monitor the rear environment, they are usually integrated into the tailgate of the vehicle.
  • Camera modules of a similar design can also be used for the stationary monitoring of buildings, house entrances or public places, so that the invention can also be used with such camera modules.
  • the invention has for its object to provide a camera module, the functionality of which is fully available even under adverse weather conditions.
  • this object is achieved according to the invention in that the cover plate and the camera module do not work properly. This also applies to camera modules without a cover plate. In this case, the drops are on the lens.
  • the cover plate in the rain, in snow or after the cover plate z. B. was cleaned by a specially designed washing device, dried quickly or kept dry, so that the beam path through the cover plate and the lens on the evaluation unit is always undisturbed regardless of the external weather conditions and thus the function of the camera module is always guaranteed.
  • Variants of the invention provide that the resistance heater is arranged on the cover plate in such a way that the beam path through the lens is not impaired. This can advantageously be achieved in that the resistance heater is arranged in the form of a circle or circular section or in the form of several concentrically arranged circles or circular sections on the cover plate. This also results in an appealing appearance of the resistance heating and thus of the camera module as a whole, although the resistance heating according to the invention can only be seen on closer inspection.
  • the resistance heater according to the invention can be printed on the cover plate and then sintered. If necessary, the resistance heating after sintering can be additionally tempered and protected against environmental influences. These resistance heaters are particularly suitable if the cover plate is made of normal glass or single-pane safety glass.
  • the resistance heater can also consist of heating wires which are embedded in an adhesive film.
  • This adhesive film is glued to the cover plate, so that it is also possible to retrofit camera modules already produced in series with a resistance heater according to the invention.
  • the heating power of the resistance heater can be controlled. It is particularly advantageous if the heating power of the resistance heater is controlled as a function of the output signals of a rain sensor. This type of control ensures that the cover plate is dry under all circumstances. The electrical system of the motor vehicle is no longer used as necessary.
  • Figure 1 shows an embodiment of a camera module according to the invention in a view from the front and in cross section and
  • Figure 2 shows a camera module according to the invention attached to a motor vehicle.
  • FIG. 1 In the left part of Figure 1 is a front view of an inventive, in its entirety with the reference numeral I provided camera module. In the view from the front, a housing 3 and a cover plate 5 are visible from the camera module.
  • a resistance heater 7 according to the invention consisting of two concentrically arranged electrical resistors 9 and 11, is arranged on the cover plate 5. In the case of camera modules without a cover plate (not shown), the resistance heater is attached directly to the lens. Such embodiments of the invention are also part of the invention.
  • the electrical resistors 9 and 11 are supplied with electrical energy via a first electrical connection 13 and a second electrical connection 15. If the cover plate 5 is wet or damp, for example due to rain, snow or other external influences, the cover plate 5 can be heated by switching on the electrical resistance heater 7, so that the cover plate 5 dries quickly. As soon as the cover plate 5 has dried, the beam path through the cover plate 5 onto a lens 17 located behind it (not shown in the left part of FIG. 1) is no longer disturbed, so that the camera module 1 works properly.
  • the electrical resistors 11 can be reinforced, tempered and protected against environmental influences.
  • the electrical resistors 9 and 11, like the electrical connections 13 and 15, can also be formed by heating wires which are embedded in a transparent adhesive film (not visible in FIG. 1).
  • This Adhesive film is glued to the cover plate 5 with the electrical resistors 9 and 11 and the electrical connections 15 and 13.
  • the camera module 1 according to the invention is shown in cross section.
  • a lens 17 and an evaluation device here designed as a charge-coupled device (CCD), are arranged behind the cover plate 5.
  • the evaluation device can also be designed as a CMOS, the invention not being limited to one of these alternatives.
  • the electrical resistors 9 and 11 on the cover plate are significantly enlarged and not shown to scale.
  • FIG. 1 The rear part of a motor vehicle 21 is shown schematically in FIG.
  • a camera module 1 according to the invention is arranged in the rear area of the vehicle 21, in particular in the area of the tailgate (not shown).

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Studio Devices (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

L'invention concerne un module caméra comportant une lentille (1), une unité d'analyse (CCD) et une plaque de couverture (5), sur laquelle est monté un chauffage ohmique (7) composé de résistances électriques (9) et/ou (11), ce qui permet de sécher rapidement et de manière fiable la plaque de couverture (5) en cas de besoin.
EP04740587A 2003-09-02 2004-07-02 Module camera dote d'une plaque de couverture chauffante Withdrawn EP1660926A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10340900A DE10340900A1 (de) 2003-09-02 2003-09-02 Kameramodul mit heizbarer Abdeckscheibe
PCT/EP2004/007234 WO2005033772A1 (fr) 2003-09-02 2004-07-02 Module camera dote d'une plaque de couverture chauffante

Publications (1)

Publication Number Publication Date
EP1660926A1 true EP1660926A1 (fr) 2006-05-31

Family

ID=34202387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04740587A Withdrawn EP1660926A1 (fr) 2003-09-02 2004-07-02 Module camera dote d'une plaque de couverture chauffante

Country Status (3)

Country Link
EP (1) EP1660926A1 (fr)
DE (1) DE10340900A1 (fr)
WO (1) WO2005033772A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3913432A3 (fr) * 2015-09-15 2022-03-23 LG Innotek Co., Ltd. Élément chauffant en film mince de module d'appareil de prise de vues et module d'appareil de prise de vues comprenant celui-ci

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Publication number Priority date Publication date Assignee Title
DE102005029411A1 (de) * 2005-06-24 2007-01-04 Audi Ag Vorrichtung und Verfahren zum Betreiben einer Sensoranordnung in einem Kraftfahrzeug
EP2138352B1 (fr) 2008-06-24 2010-04-07 SMR PATENTS S.à.r.l. Système optique et procédé de reconnaissance de voilage optique dans un véhicule
DE102011004442A1 (de) * 2011-02-21 2012-08-23 Carl Zeiss Optronics Gmbh Kamerasystem mit einem Gehäuse
DE102016107545A1 (de) 2016-04-22 2017-10-26 SMR Patents S.à.r.l. Heizvorrichtung für eine Kameralinse
US11480853B2 (en) 2017-03-06 2022-10-25 SMR Patents S.à.r.l Heating device for a camera lens
EP3373571A1 (fr) 2017-03-06 2018-09-12 SMR Patents S.à.r.l. Dispositif de chauffage pour un objectif de caméra
DE102017117153B4 (de) * 2017-07-28 2021-06-02 SMR Patents S.à.r.l. Kameravorrichtung, Rückblickvorrichtung und Kraftfahrzeug
CN107343129B (zh) * 2017-08-16 2020-07-24 中磊电子（苏州）有限公司 监视装置
US11453366B2 (en) * 2018-11-06 2022-09-27 Motherson Innovations Company Limited Heatable device for use with a vehicle-mounted image acquisition unit
DE102018221876A1 (de) * 2018-12-17 2020-06-18 Robert Bosch Gmbh Beheizbare Abdeckvorrichtung
GB201904203D0 (en) 2019-03-26 2019-05-08 Pikington Group Ltd Laminated glazing and process

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US4167997A (en) * 1978-03-15 1979-09-18 Libbey-Owens-Ford Company Conveyor roll construction
ES1028357Y (es) * 1994-06-03 1995-06-16 Cortes Luis Leon Lamata Dispositivo receptor para pantalla retrovisora.
DE4436087C2 (de) * 1994-10-10 2003-06-18 Siedle & Soehne S Heizvorrichtung für eine lichtdurchlässige Schutzscheibe eines Schutzgehäuses einer Kamera
DE29514364U1 (de) * 1995-09-07 1996-01-18 Hohe Gmbh & Co Kg Bildaufnahmemodul
JPH09189533A (ja) * 1996-01-11 1997-07-22 Tokai Rika Co Ltd 付着物センサ及び付着物感応ワイパ
JPH09292656A (ja) * 1996-02-27 1997-11-11 Fuji Photo Optical Co Ltd カメラレンズ部の水滴除去装置
DE19608661C2 (de) * 1996-03-06 2001-04-12 Mannesmann Vdo Ag Elektrischer Kontakt und Verfahren zur Herstellung des elektrischen Kontaktes zur Verbindung mit einer leitenden, sich auf einem isolierenden Substrat befindenden Anordnung, insbesondere für Kraftfahrzeugscheiben
DE19805000A1 (de) * 1998-02-07 1999-08-12 Opel Adam Ag Optische Sensorvorrichtung für Kraftfahrzeuge
DE29805645U1 (de) * 1998-03-27 1998-06-04 Chang Winston Kameraobjektiv
JP4571246B2 (ja) * 1998-06-26 2010-10-27 富士フイルム株式会社 テレビカメラのハウジング
DE19847338C1 (de) * 1998-10-14 2000-08-24 Johann Fulda Elektrische Tauheizung für ein optisches Element, insbesondere Sucher
DE10018276A1 (de) * 2000-04-13 2001-10-25 Saint Gobain Sekurit D Gmbh Verbundscheibe
DE10033472A1 (de) * 2000-07-10 2002-01-24 Metz Elektronik Gmbh Optisches Gerät

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See references of WO2005033772A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3913432A3 (fr) * 2015-09-15 2022-03-23 LG Innotek Co., Ltd. Élément chauffant en film mince de module d'appareil de prise de vues et module d'appareil de prise de vues comprenant celui-ci

Also Published As

Publication number Publication date
WO2005033772A1 (fr) 2005-04-14
DE10340900A1 (de) 2005-03-24

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