WO2009153254A1 - Sensor arrangement for a motor vehicle - Google Patents

Sensor arrangement for a motor vehicle Download PDF

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Publication number
WO2009153254A1
WO2009153254A1 PCT/EP2009/057452 EP2009057452W WO2009153254A1 WO 2009153254 A1 WO2009153254 A1 WO 2009153254A1 EP 2009057452 W EP2009057452 W EP 2009057452W WO 2009153254 A1 WO2009153254 A1 WO 2009153254A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor housing
housing part
sensor
sensor arrangement
spring
Prior art date
Application number
PCT/EP2009/057452
Other languages
German (de)
French (fr)
Inventor
Michael Röhr
Frank Hagen
Thomas Weber
Original Assignee
Leopold Kostal Gmbh & 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 & Co. Kg filed Critical Leopold Kostal Gmbh & Co. Kg
Publication of WO2009153254A1 publication Critical patent/WO2009153254A1/en

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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • G01D11/245—Housings for sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
    • 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
    • B60S1/0888—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 of the elements in a unit

Definitions

  • the invention relates to a sensor arrangement for a motor vehicle, having a holding frame which can be fastened to a vehicle window, having a multipart sensor housing which can be attached to the holding frame, and having a
  • Clamp which has a base and thereof laterally angled locking bracket, wherein in the assembled state, the base of the tension bracket rests against a sensor housing part and the locking bracket are connected to the support frame.
  • the sensor arrangement has a resilient tensioning element, which consists of a U-shaped leaf spring whose end portions are connected to a fixing ring fixed to a vehicle window, and which engages over a can-shaped sensor housing and presses against the vehicle window.
  • the sensor housing consists of two housing halves, which are connected to each other via molded locking lugs and locking clip. The leaf spring is firmly fixed to the back of a housing part.
  • the molding of locking elements on plastic housing can be relatively expensive. This is particularly the case when undercuts are required for the formation of the locking means, which are not arranged in the Entformungscardi, as this provided in the plastic injection mold slide and must be operated. Such snap fasteners make the housing parts consuming and expensive.
  • the clamping bracket has at least two angled spring arms with molded spring hook, that the spring hooks are connected to a sensor housing part and that the spring hooks engage in undercuts of the sensor housing part.
  • clamping bracket connects both a plurality of sensor housing parts as a single component, as well as the sensor housing preassembled from the connected sensor housing parts attached to the support frame.
  • FIG. 1 shows a sensor arrangement constructed according to the invention
  • FIG. 2 shows a clamping bracket as an individual part
  • FIG. 1 shows a plan view of a sensor arrangement for a motor vehicle.
  • the sensor arrangement consists of a sensor housing 7, which is fastened by means of a clamping bracket 1 to a holding frame 15. In the final assembled state of the sensor arrangement of the holding frame 15 is connected to a vehicle window, not shown here.
  • the sensor housing 7 is designed in two parts and consists of a sensor housing body 9, which is completed by a sensor housing cover 8. On the sensor housing cover 8, a connecting piece 10 is formed, which has electrical plug contacts, can be electrically contacted via the electrical or electronic sensor components in the interior of the sensor housing 7.
  • optical components are arranged within the sensor housing body 9. As shown by the sectional view of FIG. 3, this includes, in particular, a light-conducting body 20 which couples or decouples electromagnetic radiation via an optical coupling body 6 into a vehicle window (not shown). Within the housing cover 8, a circuit substrate 18 can be seen, which carries unspecified electrical or electronic sensor components and electrically interconnects.
  • the sensor housing body 9 is encompassed by a holding frame 15.
  • the clamping bracket 1 is formed from a sheet metal strip and forms in a central region of a substantially flat base 2, in the longitudinal direction of a slot-shaped opening 16 and two embossments 17 are introduced in the transverse direction.
  • a respective latching clip 3 is integrally formed, of which a first portion 23 of the base 2 obliquely upward and a, on the first portion 23 following longer second portion 24 is angled downward in the opposite direction, so that the second Section 24 extends approximately perpendicular to the base 2 of the tension bow 1.
  • each spring hook 5 is bent approximately at right angles from the base 2 of the tension bow 1, which at their end portions each have an approximately U-shaped angled region, which is referred to below as spring hook 5.
  • the end region of each spring hook 5 forms a turn, which is even more angled relative to the U-shaped bend.
  • Figures 1 and 3 show that in the assembled sensor assembly of the clamping bracket 1 with the indentations 17 of the base 2 rests on the sensor housing cover 8 and that the locking bracket 3 with the support frame 15 each produce latching connections, in which the holding frame 15 integrally formed locking lugs 12 in recesses. 1 1 of the locking bracket 3 engage.
  • the spring arms 4 of the tension bow 1 extend to the sensor housing body 9, wherein the spring hooks 5 integrally formed on the spring arms 4 engage in detent eyes 13 on the sensor housing body 9.
  • the detent eyes 13 are integrally formed on the sensor housing body 9, wherein the receiving openings 19 of the detent eyes 13 are aligned parallel to the main surface of the sensor housing body. Since the detent eyes 13 do not form complicated undercuts to be formed, they can be formed in a simple manner during injection molding of the sensor housing body 9, without the use of slides would be required in the injection molding tool.
  • the sectional view of Figure 3 illustrates that the bends 21 abut the end portions of the spring hooks 5 after insertion into the detent eyes 13 at contact surfaces 22 within the Rastösen13. The spring hooks 5 are pressed together when passing through the detent eyes 13. Thereafter, the spring hooks 5 widen again and assume the positions shown in FIG. 3 relative to the sensor housing body 9.
  • the spring hooks 5 are based here with their turn 21 on the contact surface 22, and block the spring arms 4 barb-like within the detent eyes 13.
  • the spring hooks 5 can not be pulled out of the detent eyes 13, unless that the free leg of the spring hook , For example, by means of a flat pin, is pressed against the spring arm 4.
  • the spring hooks 5 thus provide a firm, in any case only by a deliberate manipulation again releasable connection, between the clamping bracket 1 and the sensor housing body 9 ago.
  • the arranged between the clamping bracket 1 and the sensor housing body 9 sensor housing cover 8 is pressed by the base 2 of the clamping bracket 1 against the sensor housing body 9 so that the two parts of the sensor housing 7 are connected together by the clamping bracket 1 and the clamping bracket 1 at the same time on the sensor is attached.
  • the attachment of the tension bow 1 to the sensor housing 7 and the connection of sensor housing body 9 and sensor housing cover 8 effected thereby can, of course, take place before the sensor housing 7 is attached to the support frame 15, so that the sensor housing parts (8, 9) can be pre-assembled with one another and with the tension bow 1 and can be added as a preassembled unit to the, already connected to the vehicle window holding frame 15.
  • the clamping bracket 1 thus enables both a simple assembly of the sensor housing 7 and the entire sensor arrangement.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention relates to a sensor arrangement for a motor vehicle, comprising a holding frame (15) that can be fixed to a vehicle window, a multiple-part sensor housing (7) that can be attached to the holding frame, and a clamp clip (1) comprising a base surface (2) and catch clips (3) laterally bent away from the base surface. In the mounted state, the base surface of the clamp clip lies on a sensor housing part (8) and the catch clips are connected to the holding frame. The clamp clip comprises at least two bent spring arms (4) provided with formed spring hooks (5), the spring hooks being connected to a sensor housing part (9) and engaging in undercuts of said sensor housing part.

Description

Sensoranordnung für ein Kraftfahrzeug Sensor arrangement for a motor vehicle
Die Erfindung betrifft eine Sensoranordnung für ein Kraftfahrzeug, mit einem an einer Fahrzeugscheibe befestigbaren Halterahmen, mit einem an den Halterahmen anfügbaren mehrteiligen Sensorgehäuse, und mit einemThe invention relates to a sensor arrangement for a motor vehicle, having a holding frame which can be fastened to a vehicle window, having a multipart sensor housing which can be attached to the holding frame, and having a
Spannbügel, der eine Grundfläche und davon seitlich abgewinkelte Rastbügel aufweist, wobei im montierten Zustand die Grundfläche des Spannbügels an einem Sensorgehäuseteil anliegt und die Rastbügel mit dem Halterahmen verbunden sind.Clamp, which has a base and thereof laterally angled locking bracket, wherein in the assembled state, the base of the tension bracket rests against a sensor housing part and the locking bracket are connected to the support frame.
Eine derartige Sensoranordnung ist in der deutschen Offenlegungsschrift DE 101 56 241 A1 beschrieben. Die Sensoranordnung weist ein federelastisches Spannelement auf, das aus einer u-förmigen Blattfeder besteht, dessen Endabschnitte mit einem an einer Fahrzeugscheibe festgelegten Befestigungsring verbunden sind, und der ein dosenförmiges Sensorgehäuse übergreift und an die Fahrzeugscheibe anpresst. Das Sensorgehäuse besteht aus zwei Gehäusehälften, die über angeformte Rastnasen und Rastbügel miteinander verbunden sind. Die Blattfeder ist fest an der Rückseite eines Gehäuseteils fixiert.Such a sensor arrangement is described in the German patent application DE 101 56 241 A1. The sensor arrangement has a resilient tensioning element, which consists of a U-shaped leaf spring whose end portions are connected to a fixing ring fixed to a vehicle window, and which engages over a can-shaped sensor housing and presses against the vehicle window. The sensor housing consists of two housing halves, which are connected to each other via molded locking lugs and locking clip. The leaf spring is firmly fixed to the back of a housing part.
Das Anformen von Rastelementen an Kunststoffgehäuse kann relativ aufwendig sein. Dies ist insbesondere dann der Fall, wenn zur Ausbildung der Rastmittel Hinterschnitte erforderlich sind, die nicht in der Entformungsrichtung angeordnet sind, da hierzu im Kunststoffspritzgießwerkzeug Schieber vorgesehen und betätigt werden müssen. Derartige Rastbefestigungen machen die Gehäuseteile aufwendig und teuer.The molding of locking elements on plastic housing can be relatively expensive. This is particularly the case when undercuts are required for the formation of the locking means, which are not arranged in the Entformungsrichtung, as this provided in the plastic injection mold slide and must be operated. Such snap fasteners make the housing parts consuming and expensive.
Es stellte sich die Aufgabe eine Sensoranordnung, mit einem einfach und kostengünstig herstellbaren Sensorgehäuse zu schaffen, dessen Gehäuseteile zudem auf besonders einfache Weise miteinander und mit dem Halterahmen zusammenfügbar sind.It was the object of a sensor arrangement to provide a simple and inexpensive to produce sensor housing whose Housing parts also in a particularly simple manner with each other and with the support frame are joined together.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass der Spannbügel mindestens zwei abgewinkelte Federarme mit angeformten Federhaken aufweist, dass die Federhaken mit einem Sensorgehäuseteil verbunden sind und dass die Federhaken in Hinterschnitte des Sensorgehäuseteils greifen.This object is achieved in that the clamping bracket has at least two angled spring arms with molded spring hook, that the spring hooks are connected to a sensor housing part and that the spring hooks engage in undercuts of the sensor housing part.
Vorteilhaft ist, dass der Spannbügel als ein einziges Bauteil sowohl mehrere Sensorgehäuseteile miteinander verbindet, als auch das aus den verbundenen Sensorgehäuseteilen vormontierte Sensorgehäuse an dem Halterahmen befestigt.It is advantageous that the clamping bracket connects both a plurality of sensor housing parts as a single component, as well as the sensor housing preassembled from the connected sensor housing parts attached to the support frame.
Vorteilhaft ist zudem, wenn zur Anbindung der Federhaken an das Sensorgehäuseteil Hinterschnitte verwendet werden, die inIt is also advantageous if undercuts are used to connect the spring hooks to the sensor housing part, the in
Entformungsrichtung des Sensorgehäuseteils angeordnet sind. Derartige Hinterschnitte erfordern insbesondere bei der Herstellung von Spritzgießteilen keinen besonderen Aufwand.Deformation of the sensor housing part are arranged. Such undercuts require no special effort, especially in the production of injection molded parts.
Besonders vorteilhaft ist es, die an einem Sensorgehäuseteil angeformten Hinterschnitte als Rastösen ausführen.It is particularly advantageous to make the undercuts integrally formed on a sensor housing part as detent eyelets.
Weitere vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung gehen aus den abhängigen Ansprüchen und der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der Zeichnung hervor. Es zeigenFurther advantageous embodiments and modifications of the invention will become apparent from the dependent claims and the following description of an embodiment with reference to the drawings. Show it
Figur 1 eine erfindungsgemäß aufgebaute Sensoranordnung,FIG. 1 shows a sensor arrangement constructed according to the invention,
Figur 2 einen Spannbügel als Einzelteil,FIG. 2 shows a clamping bracket as an individual part,
Figur 3 einen Querschnittsansicht der Sensoranordnung. Die Figur 1 zeigt eine Draufsicht auf eine Sensoranordnung für ein Kraftfahrzeug. Die Sensoranordnung besteht aus einem Sensorgehäuse 7, welches mittels eines Spannbügels 1 an einem Halterahmen 15 befestigt ist. Im endmontierten Zustand der Sensoranordnung ist der Halterahmen 15 mit einer hier nicht dargestellten Fahrzeugscheibe verbunden.3 shows a cross-sectional view of the sensor arrangement. FIG. 1 shows a plan view of a sensor arrangement for a motor vehicle. The sensor arrangement consists of a sensor housing 7, which is fastened by means of a clamping bracket 1 to a holding frame 15. In the final assembled state of the sensor arrangement of the holding frame 15 is connected to a vehicle window, not shown here.
Das Sensorgehäuse 7 ist zweiteilig ausgeführt und besteht aus einem Sensorgehäusekörper 9, der von einem Sensorgehäusedeckel 8 abgeschlossen ist. Am Sensorgehäusedeckel 8 ist ein Anschlussstück 10 angeformt, welches elektrische Steckkontakte aufweist, über die elektrische oder elektronische Sensorkomponenten im Inneren des Sensorgehäuses 7 elektrisch kontaktiert werden können.The sensor housing 7 is designed in two parts and consists of a sensor housing body 9, which is completed by a sensor housing cover 8. On the sensor housing cover 8, a connecting piece 10 is formed, which has electrical plug contacts, can be electrically contacted via the electrical or electronic sensor components in the interior of the sensor housing 7.
Innerhalb des Sensorgehäusekörpers 9 sind hauptsächlich optische Komponenten angeordnet. Wie die Schnittansicht der Figur 3 zeigt, gehört hierzu insbesondere ein Lichtleitkörper 20 der elektromagnetische Strahlung über einen optischen Koppelkörper 6 in eine nicht dargestellte Fahrzeugscheibe ein- bzw. auskoppelt. Innerhalb des Gehäusedeckels 8 ist ein Schaltungsträger 18 ersichtlich, der hier nicht näher beschriebene elektrische oder elektronische Sensorkomponenten trägt und elektrisch miteinander verbindet.Within the sensor housing body 9, mainly optical components are arranged. As shown by the sectional view of FIG. 3, this includes, in particular, a light-conducting body 20 which couples or decouples electromagnetic radiation via an optical coupling body 6 into a vehicle window (not shown). Within the housing cover 8, a circuit substrate 18 can be seen, which carries unspecified electrical or electronic sensor components and electrically interconnects.
In den Figuren 1 und Figur 3 ist außerdem erkennbar, dass der Sensorgehäusekörper 9 von einem Halterahmen 15 umlaufend umfasst ist.It can also be seen in FIGS. 1 and 3 that the sensor housing body 9 is encompassed by a holding frame 15.
Eine Besonderheit dieser Sensoranordnung ist durch die Form des Spannbügels 1 gegeben, der in der Figur 2 als ein Einzelteil dargestellt ist. Der Spannbügel 1 ist aus einem Blechstreifen geformt und bildet in einem mittleren Bereich eine im wesentlichen ebene Grundfläche 2 aus, in die in Längsrichtung eine schlitzförmige Durchbrechung 16 und in Querrichtung zwei Einprägungen 17 eingebracht sind. An die beiden Endabschnitte an den Schmalseiten der Grundfläche 2 ist jeweils ein Rastbügel 3 einstückig angeformt, von dem ein erster Abschnitt 23 von der Grundfläche 2 schräg nach oben und ein, auf den ersten Abschnitt 23 folgender längerer zweiter Abschnitt 24 in Gegenrichtung nach unten abgewinkelt ist, so dass sich der zweite Abschnitt 24 etwa senkrecht zur Grundfläche 2 des Spannbügels 1 erstreckt.A special feature of this sensor arrangement is given by the shape of the tension bow 1, which is shown in the figure 2 as a single part. The clamping bracket 1 is formed from a sheet metal strip and forms in a central region of a substantially flat base 2, in the longitudinal direction of a slot-shaped opening 16 and two embossments 17 are introduced in the transverse direction. At the two end sections to the Narrow sides of the base 2, a respective latching clip 3 is integrally formed, of which a first portion 23 of the base 2 obliquely upward and a, on the first portion 23 following longer second portion 24 is angled downward in the opposite direction, so that the second Section 24 extends approximately perpendicular to the base 2 of the tension bow 1.
Neben den relativ breit ausgeführten Rastbügeln 3 sind von die Grundfläche 2 des Spannbügels 1 vergleichsweise schmale Federarme 4 etwa rechtwinklig abgebogen, die an ihren Endabschnitten jeweils einen etwa u-förmig abgewinkelten Bereich aufweisen, der im folgenden als Federhaken 5 bezeichnet wird. Der Endbereich jedes Federhakens 5 bildet eine, gegenüber der u-förmigen Abwinklung noch stärker abgewinkelte Abbiegung 21 aus.In addition to the relatively wide-running locking brackets 3 comparatively narrow spring arms 4 are bent approximately at right angles from the base 2 of the tension bow 1, which at their end portions each have an approximately U-shaped angled region, which is referred to below as spring hook 5. The end region of each spring hook 5 forms a turn, which is even more angled relative to the U-shaped bend.
Die Figuren 1 und 3 zeigen, dass bei der montierten Sensoranordnung der Spannbügel 1 mit den Einprägungen 17 der Grundfläche 2 am Sensorgehäusedeckel 8 anliegt und dass die Rastbügel 3 mit dem Halterahmen 15 jeweils Rastverbindungen herstellen, in dem am Halterahmen 15 angeformte Rastnasen 12 in Ausnehmungen 1 1 der Rastbügel 3 eingreifen.Figures 1 and 3 show that in the assembled sensor assembly of the clamping bracket 1 with the indentations 17 of the base 2 rests on the sensor housing cover 8 and that the locking bracket 3 with the support frame 15 each produce latching connections, in which the holding frame 15 integrally formed locking lugs 12 in recesses. 1 1 of the locking bracket 3 engage.
Die Federarme 4 des Spannbügels 1 erstrecken sich bis zum Sensorgehäusekörper 9, wobei die an den Federarmen 4 einstückig angeformten Federhaken 5 in Rastösen 13 am Sensorgehäusekörper 9 eingreifen. Die Rastösen 13 sind einstückig am Sensorgehäusekörper 9 angeformt, wobei die Aufnahmeöffnungen 19 der Rastösen 13 parallel zur Hauptfläche des Sensorgehäusekörpers ausgerichtet sind. Da die Rastösen 13 keine kompliziert zu formenden Hinterschneidungen ausbilden, können sie auf einfache Weise beim Spritzgießen des Sensorgehäusekörpers 9 mit angeformt werden, ohne dass im Spritzgusswerkzeug die Verwendung von Schiebern erforderlich wäre. Die Schnittdarstellung der Figur 3 verdeutlicht, dass die Abbiegungen 21 an den Endabschnitten der Federhaken 5 nach dem Einfügen in die Rastösen 13 an Anlageflächen 22 innerhalb der Rastösen13 anliegen. Die Federhaken 5 werden beim Durchgang durch die Rastösen 13 zusammengepresst. Danach weiten sich die Federhaken 5 wieder auf und nehmen die in der Figur 3 dargestellten Lagen relativ zum Sensorgehäusekörper 9 ein.The spring arms 4 of the tension bow 1 extend to the sensor housing body 9, wherein the spring hooks 5 integrally formed on the spring arms 4 engage in detent eyes 13 on the sensor housing body 9. The detent eyes 13 are integrally formed on the sensor housing body 9, wherein the receiving openings 19 of the detent eyes 13 are aligned parallel to the main surface of the sensor housing body. Since the detent eyes 13 do not form complicated undercuts to be formed, they can be formed in a simple manner during injection molding of the sensor housing body 9, without the use of slides would be required in the injection molding tool. The sectional view of Figure 3 illustrates that the bends 21 abut the end portions of the spring hooks 5 after insertion into the detent eyes 13 at contact surfaces 22 within the Rastösen13. The spring hooks 5 are pressed together when passing through the detent eyes 13. Thereafter, the spring hooks 5 widen again and assume the positions shown in FIG. 3 relative to the sensor housing body 9.
Die Federhaken 5 stützen sich hier mit ihrer Abbiegung 21 an der Anlagefläche 22 ab, und blockieren die Federarme 4 widerhakenartig innerhalb der Rastösen 13. Die Federhaken 5 können daher nicht aus der Rastösen 13 herausgezogen werden, es sei denn dass der freie Schenkel des Federhakens 5, etwa mittels eines flachen Stifts, gegen den Federarm 4 gepresst wird. Die Federhaken 5 stellen somit eine feste, jedenfalls nur durch eine vorsätzliche Manipulation wieder lösbare Verbindung, zwischen dem Spannbügel 1 und dem Sensorgehäusekörper 9 her. Der zwischen dem Spannbügel 1 und dem Sensorgehäusekörper 9 angeordnete Sensorgehäusedeckel 8 wird so durch die Grundfläche 2 des Spannbügels 1 gegen den Sensorgehäusekörper 9 gepresst, so dass durch den Spannbügel 1 die beiden Teile des Sensorgehäuses 7 miteinander verbunden sind und der Spannbügel 1 zugleich auf dem Sensor befestigt ist. Das Anbringen des Spannbügels 1 am Sensorgehäuse 7 und die damit bewirkte Verbindung von Sensorgehäusekörper 9 und Sensorgehäusedeckel 8 kann selbstverständlich vor dem Anfügen des Sensorgehäuses 7 an den Halterahmen 15 erfolgen, so dass das Sensorgehäuseteile (8, 9) untereinander und mit dem Spannbügel 1 vormontierbar sind und als vormontierte Baueinheit an den, bereits mit der Fahrzeugscheibe verbundenen Halterahmen 15 angefügt werden kann. Der Spannbügel 1 ermöglicht somit sowohl eine einfache Montage des Sensorgehäuses 7 als auch der gesamten Sensoranordnung. BezugszeichenThe spring hooks 5 are based here with their turn 21 on the contact surface 22, and block the spring arms 4 barb-like within the detent eyes 13. The spring hooks 5 can not be pulled out of the detent eyes 13, unless that the free leg of the spring hook , For example, by means of a flat pin, is pressed against the spring arm 4. The spring hooks 5 thus provide a firm, in any case only by a deliberate manipulation again releasable connection, between the clamping bracket 1 and the sensor housing body 9 ago. The arranged between the clamping bracket 1 and the sensor housing body 9 sensor housing cover 8 is pressed by the base 2 of the clamping bracket 1 against the sensor housing body 9 so that the two parts of the sensor housing 7 are connected together by the clamping bracket 1 and the clamping bracket 1 at the same time on the sensor is attached. The attachment of the tension bow 1 to the sensor housing 7 and the connection of sensor housing body 9 and sensor housing cover 8 effected thereby can, of course, take place before the sensor housing 7 is attached to the support frame 15, so that the sensor housing parts (8, 9) can be pre-assembled with one another and with the tension bow 1 and can be added as a preassembled unit to the, already connected to the vehicle window holding frame 15. The clamping bracket 1 thus enables both a simple assembly of the sensor housing 7 and the entire sensor arrangement. reference numeral
1 Spannbügel1 clamping bracket
2 Grundfläche 3 Rastbügel2 base area 3 locking clips
4 Federarme4 spring arms
5 Federhaken5 spring hooks
6 Koppelkörper6 coupling body
7 Sensorgehäuse 8 Sensorgehäusedeckel7 Sensor housing 8 Sensor housing cover
9 Sensorgehäusekörper9 sensor housing body
(8, 9) Sensorgehäuseteile(8, 9) Sensor housing parts
10 Anschlussstück10 connection piece
1 1 Ausnehmung 12 Rastnase1 1 recess 12 locking lug
13 Rastösen13 detent eyelets
14 Abwinklung14 bending
15 Halterahmen15 holding frame
16 Durchbrechung 17 Einprägung16 opening 17 impression
18 Schaltungsträger18 circuit carrier
19 Aufnahmeöffnung19 receiving opening
20 Lichtleitkörper20 light guide
21 Abbiegung 22 Anlagefläche21 turn 22 contact surface
23 erster Abschnitt23 first section
24 zweiter Abschnitt 24 second section

Claims

Patentansprüche claims
1. Sensoranordnung für ein Kraftfahrzeug,1. sensor arrangement for a motor vehicle,
mit einem an einer Fahrzeugscheibe befestigbaren Halterahmen,with a holding frame which can be fastened to a vehicle window,
mit einem an den Halterahmen anfügbaren mehrteiligen Sensorgehäuse,with an attachable to the holding frame multi-part sensor housing,
und mit einem Spannbügel, der eine Grundfläche und davon seitlich abgewinkelte Rastbügel aufweist,and with a clamping bracket, which has a base surface and thereof laterally angled latching clip,
wobei im montierten Zustand die Grundfläche des Spannbügels an einem Sensorgehäuseteil anliegt und die Rastbügel mit dem Halterahmen verbunden sind,wherein in the assembled state, the base surface of the clamping bracket rests against a sensor housing part and the latching clip are connected to the holding frame,
dadurch gekennzeichnet,characterized,
dass der Spannbügel (1 ) mindestens zwei abgewinkelte Federarme (4) mit angeformten Federhaken (5) aufweist, dass die Federhaken (5) mit einem Sensorgehäuseteil (9) verbunden sind und dass die Federhaken (5) in Hinterschnitte des Sensorgehäuseteils (9) greifen.the tension bow (1) has at least two angled spring arms (4) with integrally formed spring hooks (5), that the spring hooks (5) are connected to a sensor housing part (9) and that the spring hooks (5) engage in undercuts of the sensor housing part (9) ,
2. Sensoranordnung nach Anspruch 1 , dadurch gekennzeichnet, dass die Hinterschnitte in der Entformungsrichtung des Sensorgehäuseteils (9) angeordnet sind.2. Sensor arrangement according to claim 1, characterized in that the undercuts in the Entformungsrichtung of the sensor housing part (9) are arranged.
3. Sensoranordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Hinterschnitte Rastösen (13) ausbilden. 3. Sensor arrangement according to claim 1 or 2, characterized in that the undercuts detent eyes (13) form.
4. Sensoranordnung nach Anspruch 3 dadurch gekennzeichnet, dass die Federhaken (5) mit am Sensorgehäuseteil (9) angeformten Rastösen (13) verbunden sind, deren Öffnung parallel zur Hauptfläche des Sensorgehäuseteils (9) ausgerichtet sind.4. Sensor arrangement according to claim 3, characterized in that the spring hooks (5) with the sensor housing part (9) integrally formed latching eyes (13) are connected, whose opening is aligned parallel to the main surface of the sensor housing part (9).
5. Sensoranordnung nach Anspruch 4, dadurch gekennzeichnet, dass die Federhaken (5) Abbiegungen (21 ) ausbilden, die von einer Seite durch die Rastösen (13) hindurchführbar sind und durch Auffederung an Anlageflächen (22) der Rastösen zur Anlage kommen und dadurch die Federhaken (5) gegen ein Entfernen aus den Rastösen (13) blockieren.5. Sensor arrangement according to claim 4, characterized in that the spring hooks (5) form bends (21) which are guided from one side through the detent eyes (13) and by springing against contact surfaces (22) of the detents come to rest and thereby the Block spring hook (5) against removal from locking eyes (13).
6. Sensoranordnung nach einem der vorgenannten Ansprüche, dadurch gekennzeichnet, dass mehrere Sensorgehäuseteilen (8, 9) über den Spannbügel (1 ) und die angeformten Federarme (4) und Federhaken (5) mechanisch miteinander verbunden sind.6. Sensor arrangement according to one of the preceding claims, characterized in that a plurality of sensor housing parts (8, 9) via the clamping bracket (1) and the molded spring arms (4) and spring hooks (5) are mechanically interconnected.
7. Sensoranordnung nach Anspruch 6, dadurch gekennzeichnet, dass das die Grundfläche (2) des Spannbügels (1 ) an einem ersten Sensorgehäuseteil (8) anliegt und dass Federhaken (5) mit einem zweiten Sensorgehäuseteil (9) verbunden sind. 7. Sensor arrangement according to claim 6, characterized in that the base surface (2) of the tensioning bow (1) rests against a first sensor housing part (8) and that spring hooks (5) are connected to a second sensor housing part (9).
PCT/EP2009/057452 2008-06-18 2009-06-16 Sensor arrangement for a motor vehicle WO2009153254A1 (en)

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