DE19937594A1 - Optoelectronic sensor device for detecting wetting on a vehicle windscreen's outer surface couples a beam-conducting body optically to the windscreen through pressure against it over a transparent, elastic coupling substance. - Google Patents

Optoelectronic sensor device for detecting wetting on a vehicle windscreen's outer surface couples a beam-conducting body optically to the windscreen through pressure against it over a transparent, elastic coupling substance.

Info

Publication number
DE19937594A1
DE19937594A1 DE1999137594 DE19937594A DE19937594A1 DE 19937594 A1 DE19937594 A1 DE 19937594A1 DE 1999137594 DE1999137594 DE 1999137594 DE 19937594 A DE19937594 A DE 19937594A DE 19937594 A1 DE19937594 A1 DE 19937594A1
Authority
DE
Germany
Prior art keywords
sensor device
optoelectronic sensor
windscreen
housing
mounting base
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.)
Ceased
Application number
DE1999137594
Other languages
German (de)
Inventor
Berthold Esders
Volker Heite
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.)
Leopold Kostal GmbH and Co KG
Original Assignee
Leopold Kostal GmbH and Co KG
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 Leopold Kostal GmbH and Co KG filed Critical Leopold Kostal GmbH and Co KG
Priority to DE1999137594 priority Critical patent/DE19937594A1/en
Publication of DE19937594A1 publication Critical patent/DE19937594A1/en
Ceased 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
    • B60S1/02—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
    • B60S1/0874—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 characterized by the position of the sensor on the windshield
    • B60S1/0881—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 characterized by the position of the sensor on the windshield characterized by the attachment means on the windshield
    • 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
    • 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
    • B60S1/0874—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 characterized by the position of the sensor on the windshield
    • B60S1/0885—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 characterized by the position of the sensor on the windshield the sensor being integrated in a rear-view mirror module

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

A sensor device fastens to a windscreen (1) without fastening devices stuck on as well. An available fastening point already bonded to the windscreen for an interior rear-view mirror (5) is also used as a support point for the sensor device's pressure clamps applied as a gripping device (6) with one or more springy arms allocated to a casing (2).

Description

Die Erfindung bezieht sich auf eine optoelektronische Sensoreinrichtung zur Erfassung der Benetzung der äußeren Oberfläche der Windschutzscheibe eines Kraftfahrzeugs mit Niederschlag, umfassend ein Gehäuse sowie einen mit diesem verbundenen durch eine von Anpreßmitteln aufgebrachte Anpreßkraft über ein transparentes, elastisches Koppelmedium an die Windschutzscheibe optisch angekoppelten Strahlenleitkörper, wobei die Anpreßmittel an einem mit der Windschutzscheibe stoffschlüssig verbundenen Befestigungspunkt abgestützt sind.The invention relates to an optoelectronic sensor device for Detection of the wetting of the outer surface of the windshield of a motor vehicle with precipitation, comprising a housing and a connected to this by one of pressing means applied Contact pressure via a transparent, elastic coupling medium Windshield optically coupled radiation guide, the Pressure means on a materially connected to the windshield Attachment point are supported.

Ein Beispiel für eine derartige Einrichtung ist in dem in der DE 40 19 066 A1 offenbarten optoelektronischen Sensor zum Erfassen eines Belags auf der Oberfläche einer optisch transparenten Scheibe zu sehen. Zur Befestigung des Sensors auf der Scheibe sind hier Metallstücke auf dieser aufgeklebt, an denen mit Hilfe von Schrauben das Gehäuse befestigt wird, durch das zwei als Strahlenleitkörper wirkende Prismen über optisch transparente, elastische Folienstücke an die Scheibe angedrückt werden.An example of such a device is in DE 40 19 066 A1 disclosed optoelectronic sensor for detecting a coating on the Surface of an optically transparent pane can be seen. For fixing of the sensor on the pane are pieces of metal glued to it which is attached to the housing with the help of screws, through which two prisms that act as radiation guides via optically transparent, elastic ones Pieces of film are pressed onto the pane.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine Befestigung einer solchen Sensoreinrichtung an der Scheibe zu ermöglichen, die ohne zusätzlich aufgeklebte Befestigungselemente erfolgen kann und somit eine Einsparung dieser zusätzlichen Teile sowie des Mehraufwandes für deren Aufklebung auf die Scheibe ermöglicht.Starting from this prior art, the object of the invention the basis for fastening such a sensor device to the pane to enable the without additional glued fasteners can take place and thus a saving of these additional parts and the Additional effort for sticking them on the pane enables.

Dies gelingt dadurch, daß ein ohnehin bereits auf der Scheibe vorhandener, aufgeklebter Befestigungspunkt für den Innenspiegel zugleich als Abstützungspunkt für als eine zumindest einen dem Gehäuse zugeordneten Federarm aufweisende Spannvorrichtung ausgeführte Anpreßmittel für die Sensoreinrichtung verwendet wird.This is achieved by the fact that an already existing, glued on attachment point for the inside mirror also as Support point for at least one associated with the housing Spring device having clamping device designed for the pressing means Sensor device is used.

Weitere vorteilhafte Ausgestaltungen des Gegenstandes der Erfindung ergeben sich aus den Unteransprüchen sowie aus der nachfolgenden Beschreibung der in der Zeichnung dargestellten Ausführungsbeispiele.Further advantageous refinements of the subject matter of the invention result from the subclaims and from the following Description of the embodiments shown in the drawing.

Dabei zeigen:Show:

Fig. 1 Schnittdarstellungen einer erfindungsgemäßen Sensoreinrichtung mit einer Befestigung insbesondere nach Anspruch 3 Fig. 1-sectional views of a sensor device according to the invention with a fastening, in particular according to claim 3

Fig. 2 Schnittdarstellungen einer erfindungsgemäßen Sensoreinrichtung mit einer Befestigung insbesondere nach Anspruch 7 bzw. 8 Fig. 2 are sectional views of a sensor device according to the invention with a fastening, in particular according to claim 7 or 8

Wie aus der Fig. 1 hervorgeht, wird bei der erfindungsgemäßen Sensoreinrichtung das Gehäuse 2 derselben durch eine Spannvorrichtung 6 an die Windschutzscheibe 1 angepreßt. Dadurch wird ein in dem Gehäuse 2 vorhandener und mit diesem kraftschlüssig verbundener, zur Ein- und Auskopplung der optischen Strahlung vorgesehener Strahlenleitkörper (in der Zeichnung nicht dargestellt) über ein transparentes, elastisches Ankoppelmedium 3 optisch an die Windschutzscheibe 1 angekoppelt. Bei dem elastischen Koppelmedium 3 handelt es sich beispielsweise um eine Schicht aus einem transparenten Silikonmaterial, die vorzugsweise direkt an dem Strahlenleitkörper angeformt oder auf diesen aufgeklebt ist. Die Spannvorrichtung 6 ist dabei als im wesentlichen plattenförmiger Körper aus einem Federeigenschaften aufweisenden, z. B. metallischen Werkstoff ausgeführt und ist mit seinem einen Ende an dem auf der Scheibe aufgeklebten Befestigungssockel 4 für den Innenrückspiegel 5 befestigt. Ausgehend von diesem Befestigungspunkt erstreckt sich die Spannvorrichtung 6 im wesentlichen flächig über dem Gehäuse 2 der Sensoreinrichtung, wobei zwei Abwinklungen 6' und 6" so angebracht sind, daß unter Berücksichtigung der Bauhöhen des Befestigungspunktes und des Gehäuses 2 eine ausreichende Vorspannung des als Federarm ausgebildeten, dem Gehäuse zugeordneten Abschnitt der Spannvorrichtung 6 zur Erreichung einer einwandfreien optischen Ankopplung des Strahlenleitkörpers an die Scheibe gewährleistet ist. Der erforderliche Kraftschluß zwischen Befestigungssockel 4 und der Spannvorrichtung 6 wird dadurch erzielt, daß das Ende der Spannvorrichtung 6 zwischen dem Befestigungssockel 4 und dem Fuß des Innenrückspiegels 5 eingeklemmt wird, wobei die Kraft dazu von einer ohnehin vorhandenen, für die Befestigung des Spiegels vorgesehenen Zugfeder 7 aufgebracht wird.As can be seen from FIG. 1, the housing 2 of the sensor device according to the invention is pressed against the windshield 1 by a clamping device 6 . As a result, a radiation guide body (not shown in the drawing), which is present in the housing 2 and is non-positively connected to it for coupling and decoupling the optical radiation, is optically coupled to the windshield 1 via a transparent, elastic coupling medium 3 . The elastic coupling medium 3 is, for example, a layer made of a transparent silicone material, which is preferably molded directly onto the radiation guide body or glued to it. The tensioning device 6 is in the form of a substantially plate-shaped body made of a spring, eg. B. metallic material and is attached at one end to the glued on the disc mounting base 4 for the interior rear-view mirror 5 . Starting from this fastening point, the tensioning device 6 extends essentially flat over the housing 2 of the sensor device, two bends 6 ′ and 6 ″ being fitted such that, taking into account the structural heights of the fastening point and the housing 2, sufficient pre-tensioning of the spring arm, the housing-assigned section of the clamping device 6 is guaranteed to achieve a perfect optical coupling of the radiation guide body to the window pane. The required frictional connection between the mounting base 4 and the clamping device 6 is achieved in that the end of the clamping device 6 between the mounting base 4 and the foot of the interior rear-view mirror 5 is clamped, the force for this being applied by an already existing tension spring 7 provided for fastening the mirror.

Eine alternative Ausführung der Spannvorrichtung 6 besteht in der Verwendung eines federelastischen Drahtbügels, wie sie in Fig. 2 dargestellt ist. Der Drahtbügel ist hierbei durch Klemmung in einer dafür vorgesehenen Nut 4' im Befestigungssockel 4 fixiert und weist im weiteren Verlauf zwei Arme 8 und 9 auf, die sich über das Gehäuse 2 erstrecken bzw. in dafür vorgesehene Durchführungen 2' und 2" im Gehäuse 2 eingreifen und auf dieses eine Anpreßkraft an die Scheibe ausüben.An alternative embodiment of the tensioning device 6 consists in the use of a spring-elastic wire bracket, as shown in FIG. 2. The wire bracket is in this case fixed by clamping in a groove 4 ′ provided for this purpose in the fastening base 4 and in the further course has two arms 8 and 9 which extend over the housing 2 or in openings 2 ′ and 2 ″ provided in the housing 2 intervene and exert a contact pressure on the pane.

Claims (8)

1. Optoelektronische Sensoreinrichtung zur Erfassung der Benetzung der äußeren Oberfläche der Windschutzscheibe (1) eines Kraftfahrzeugs mit Niederschlag, umfassend ein Gehäuse (2) sowie einen mit diesem kraftschlüssig verbundenen, durch eine von Anpreßmitteln aufgebrachte Anpreßkraft über ein transparentes, elastisches Koppelmedium (3) an die Windschutzscheibe (1) optisch angekoppelten Strahlenleitkörper, wobei die Anpreßmittel an einem mit der Windschutzscheibe (1) stoffschlüssig verbundenen Befestigungspunkt abgestützt sind, dadurch gekennzeichnet, daß der mit der Windschutzscheibe (1) stoffschlüssig verbundene Befestigungspunkt der aufgeklebte Befestigungssockel (4) für einen Innenrückspiegel (5) ist und daß die Anpreßmittel als eine zumindest einen dem Gehäuse zugeordneten Federarm aufweisende Spannvorrichtung (6) ausgeführt sind.1. Optoelectronic sensor device for detecting the wetting of the outer surface of the windshield ( 1 ) of a motor vehicle with precipitation, comprising a housing ( 2 ) and a force-fittingly connected to it by a contact pressure applied by pressing means via a transparent, elastic coupling medium ( 3 ) the windshield ( 1 ) is optically coupled to the radiation guide body, the pressing means being supported on an attachment point which is integrally connected to the windshield ( 1 ), characterized in that the attachment point which is integrally connected to the windshield ( 1 ) is the attached mounting base ( 4 ) for an interior rear-view mirror ( 5 ) and that the pressing means are designed as a tensioning device ( 6 ) having at least one spring arm assigned to the housing. 2. Optoelektronische Sensoreinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Spannvorrichtung (6) als im wesentlichen plattenförmiger, zumindest zwei Abwinklungen (6', 6") aufweisender Körper ausgeführt ist.2. Optoelectronic sensor device according to claim 1, characterized in that the clamping device ( 6 ) is designed as a substantially plate-shaped, at least two bends ( 6 ', 6 ") having body. 3. Optoelektronische Sensoreinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Spannvorrichtung (6) am Befestigungssockel (4) durch eine zur Befestigung des Innenrückspiegels (5) dienende Zugfeder (7) fixiert ist.3. Optoelectronic sensor device according to claim 1 or 2, characterized in that the tensioning device ( 6 ) on the mounting base ( 4 ) is fixed by a tension spring ( 7 ) serving for fastening the interior rear-view mirror ( 5 ). 4. Optoelektronische Sensoreinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Spannvorrichtung (6) am Befestigungssockel (4) durch zumindest eine mit einem zusätzlichen Kragenbereich desselben kooperierende, federnd ausgestellte Zunge fixiert ist.4. Optoelectronic sensor device according to claim 1 or 2, characterized in that the clamping device ( 6 ) on the mounting base ( 4 ) is fixed by at least one cooperating with an additional collar area, resiliently flared tongue. 5. Optoelektronische Sensoreinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Spannvorrichtung (6) am Befestigungssockel (4) durch eine Bajonettverbindung fixiert ist.5. Optoelectronic sensor device according to one of claims 1 to 4, characterized in that the clamping device ( 6 ) on the mounting base ( 4 ) is fixed by a bayonet connection. 6. Optoelektronische Sensoreinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Spannvorrichtung (6) einstückig mit dem Befestigungssockel (4) ausgeführt ist.6. Optoelectronic sensor device according to claim 1 or 2, characterized in that the clamping device ( 6 ) is made in one piece with the mounting base ( 4 ). 7. Optoelektronische Sensoreinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Spannvorrichtung (6) als ein Drahtbügel mit zwei sich über das Gehäuse (2) oder längs zweier Durchführungen (2', 2") durch das Gehäuse (2) erstreckenden Federarmen (8, 9) ausgeführt ist.7. Optoelectronic sensor device according to claim 1, characterized in that the clamping device ( 6 ) as a wire bracket with two over the housing ( 2 ) or along two bushings ( 2 ', 2 ") through the housing ( 2 ) extending spring arms ( 8 , 9 ) is executed. 8. Optoelektronische Sensoreinrichtung nach Anspruch 7, dadurch gekennzeichnet, daß der die Spannvorrichtung (6) bildende Drahtbügel am Befestigungssockel (4) durch Umgreifen in einer dafür vorgesehenen Nut (4') fixiert ist.8. An optoelectronic sensor device according to claim 7, characterized in that the wire bracket forming the tensioning device ( 6 ) is fixed on the fastening base ( 4 ) by reaching around in a groove ( 4 ') provided therefor.
DE1999137594 1999-08-09 1999-08-09 Optoelectronic sensor device for detecting wetting on a vehicle windscreen's outer surface couples a beam-conducting body optically to the windscreen through pressure against it over a transparent, elastic coupling substance. Ceased DE19937594A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1999137594 DE19937594A1 (en) 1999-08-09 1999-08-09 Optoelectronic sensor device for detecting wetting on a vehicle windscreen's outer surface couples a beam-conducting body optically to the windscreen through pressure against it over a transparent, elastic coupling substance.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1999137594 DE19937594A1 (en) 1999-08-09 1999-08-09 Optoelectronic sensor device for detecting wetting on a vehicle windscreen's outer surface couples a beam-conducting body optically to the windscreen through pressure against it over a transparent, elastic coupling substance.

Publications (1)

Publication Number Publication Date
DE19937594A1 true DE19937594A1 (en) 2001-03-15

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DE1999137594 Ceased DE19937594A1 (en) 1999-08-09 1999-08-09 Optoelectronic sensor device for detecting wetting on a vehicle windscreen's outer surface couples a beam-conducting body optically to the windscreen through pressure against it over a transparent, elastic coupling substance.

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005095168A1 (en) * 2004-03-26 2005-10-13 Preh Gmbh Retaining frame for a support element of a sensor
DE102004032749B3 (en) * 2004-07-07 2006-01-05 A. Raymond & Cie Device for attaching a rain sensor to a carrier
DE102005015973A1 (en) * 2005-04-07 2006-10-12 Leopold Kostal Gmbh & Co. Kg Sensor, e.g. optoelectronic sensor, fastening device for use on motor vehicle window pane, has pressing device for pressing sensor against pane over coupling unit, and forming single-sided lever
DE102007050973A1 (en) * 2007-10-25 2009-04-30 Valeo Schalter Und Sensoren Gmbh Sensor i.e. rain sensor, positioning device, for e.g. windscreen, of motor vehicle, has pressing device provided for sensor at transporting component and brought from premounted position into end position by locking element e.g. locking pin
DE102007061103A1 (en) * 2007-12-19 2009-06-25 Robert Bosch Gmbh Rain sensor with bayonet closure

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019066A1 (en) * 1990-06-15 1991-12-19 Bosch Gmbh Robert DEVICE FOR OPTICALLY DETECTING A COVER

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019066A1 (en) * 1990-06-15 1991-12-19 Bosch Gmbh Robert DEVICE FOR OPTICALLY DETECTING A COVER

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005095168A1 (en) * 2004-03-26 2005-10-13 Preh Gmbh Retaining frame for a support element of a sensor
JP2007537910A (en) * 2004-03-26 2007-12-27 プレー・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング Holding frame for sensor support
DE102004032749B3 (en) * 2004-07-07 2006-01-05 A. Raymond & Cie Device for attaching a rain sensor to a carrier
DE102005015973A1 (en) * 2005-04-07 2006-10-12 Leopold Kostal Gmbh & Co. Kg Sensor, e.g. optoelectronic sensor, fastening device for use on motor vehicle window pane, has pressing device for pressing sensor against pane over coupling unit, and forming single-sided lever
DE102005015973B4 (en) 2005-04-07 2023-09-14 Kostal Automobil Elektrik Gmbh & Co. Kg Fastening device for at least one sensor on a vehicle window
DE102007050973A1 (en) * 2007-10-25 2009-04-30 Valeo Schalter Und Sensoren Gmbh Sensor i.e. rain sensor, positioning device, for e.g. windscreen, of motor vehicle, has pressing device provided for sensor at transporting component and brought from premounted position into end position by locking element e.g. locking pin
DE102007050973B4 (en) 2007-10-25 2020-08-06 Valeo Schalter Und Sensoren Gmbh Device and method for positioning a sensor
DE102007061103A1 (en) * 2007-12-19 2009-06-25 Robert Bosch Gmbh Rain sensor with bayonet closure

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