DE19848753B4 - Motor vehicle with a windscreen - Google Patents

Motor vehicle with a windscreen Download PDF

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Publication number
DE19848753B4
DE19848753B4 DE1998148753 DE19848753A DE19848753B4 DE 19848753 B4 DE19848753 B4 DE 19848753B4 DE 1998148753 DE1998148753 DE 1998148753 DE 19848753 A DE19848753 A DE 19848753A DE 19848753 B4 DE19848753 B4 DE 19848753B4
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DE
Germany
Prior art keywords
open space
motor vehicle
lamination
area
windscreen
Prior art date
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Expired - Fee Related
Application number
DE1998148753
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German (de)
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DE19848753A1 (en
Inventor
Hans-Dieter Dipl.-Ing. Langer
Peter Dipl.-Ing. Schüßler
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GM Global Technology Operations LLC
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Adam Opel GmbH
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Priority to DE1998148753 priority Critical patent/DE19848753B4/en
Publication of DE19848753A1 publication Critical patent/DE19848753A1/en
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Publication of DE19848753B4 publication Critical patent/DE19848753B4/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10339—Specific parts of the laminated safety glass or glazing being colored or tinted
    • B32B17/10348—Specific parts of the laminated safety glass or glazing being colored or tinted comprising an obscuration band
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10247—Laminated safety glass or glazing containing decorations or patterns for aesthetic reasons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10293—Edge features, e.g. inserts or holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/02—Windows; Windscreens; Accessories therefor arranged at the vehicle front, e.g. structure of the glazing, mounting of the glazing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/1271—Supports; Mounting means for mounting on windscreens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/002—Windows; Windscreens; Accessories therefor with means for clear vision, e.g. anti-frost or defog panes, rain shields

Abstract

Kraftfahrzeug mit Frontscheibe (1), welche eine überwiegend Infrarotlicht reflektierende Beschichtung und eine Freifläche (2) ohne Reflexionsbeschichtung hat, und welche im Randbereich eine im Siebdruckverfahren erzeugte, aus einem Punktraster bestehende Kaschierung (3) aufweist, dadurch gekennzeichnet, dass die Freifläche (2) im Wesentlichen eine ungedämpfte Transmission von Signalen bis hin zu einem fahrzeuginnenseitig hinter der Freifläche (2) angeordneten elektronischen Bauteil oder eine Kodierung erlaubt, wobei die Kaschierung (3) die Freifläche (2) abdeckt und eine Durchsichtfläche von über 20% derart aufweist, dass die Freifläche (2) von außen im Wesentlichen nicht sichtbar und dennoch die Sicht aus dem Fahrzeug heraus ermöglicht ist.motor vehicle with windshield (1), which is a predominantly infrared light reflective Coating and an open space (2) has no reflective coating, and which one in the edge area screen-printed, consisting of a dot matrix Lamination (3), characterized in that the free surface (2) essentially an undamped transmission from signals to a vehicle inside behind the open space (2) arranged electronic component or a coding allows wherein the lamination (3) covers the free surface (2) and a viewing area of over 20% such that the open space (2) from the outside essentially not visible yet the view from the vehicle out possible is.

Figure 00000001
Figure 00000001

Description

Die Erfindung betrifft ein Kraftfahrzeug mit einer Frontscheibe, welche eine überwiegend Infrarotlicht reflektierende Beschichtung und eine Freifläche ohne Reflexionsbeschichtung hat und welche im Randbereich eine im Siebdruckverfahren erzeugte, aus einem Punktraster bestehende Kaschierung aufweist.The The invention relates to a motor vehicle with a windscreen, which a predominantly Infrared light reflective coating and a free surface without Reflection coating has and which in the edge area a screen-printing process produced, consisting of a dot matrix lamination.

Frontscheiben der vorstehenden Art sind in der Patentschrift DE 195 32 431 C2 beschrieben und werden derzeit gebaut. Die Reflexionsbeschichtung dient dabei dazu, eine unerwünscht starke Aufheizung des Fahrzeuginnenraumes zu verhindern. Die Kaschierung im Randbereich hat vor allem den Zweck, den Klebebereich der Scheibe nach außen hin abzudecken, damit von dort her eine ungleichförmig verlaufende Klebefläche unsichtbar bleibt und der Kleber vor UV-Licht geschützt wird. Da die Reflexionsbeschichtung Signale für elektronische Systeme im Inneren des Kraftfahrzeugs dämpft, ordnet man beispielsweise für ein automatisches Abbuchen von Straßenbenutzungsgebühren die hierzu notwendige Chipkarte in einer OBU (On Board Unit) hinter der Freifläche an, damit die vornehmlich im 5,8 GHz-Bereich liegenden Wellen möglichst ungehindert die Chipkarte erreichen können. Ähnliche Probleme durch eine Reflexionsbeschichtung können auftreten, wenn man hinter der Frontscheibe beispielsweise einen Regensensor zum automatischen Betätigen des Scheibenwischers oder eine Codierung zur Erkennung des Fahrzeugtyps anordnet. Durch die vorgesehene Freifläche in der Reflexionsschicht wird das Problem der Verminderung der Transmission für den gewünschten Bereich und damit das Problem der Schwächung von Signalen für eine Chipkarte oder ein anderes elektronisches Bauteil zwar gelöst, jedoch sieht eine Freifläche in der Reflexionsschicht von außen hässlich aus, weil sie wie ein kleines Fenster in der Reflexionsschicht wirkt und das einheitliche Erscheinungsbild der Frontscheibe stört.Windshields of the above type are in the patent DE 195 32 431 C2 described and are currently being built. The reflection coating serves to prevent an undesirably strong heating of the vehicle interior. The purpose of the lamination in the edge region is to cover the adhesive area of the pane to the outside, so that a non-uniformly extending adhesive surface remains invisible therefrom and the adhesive is protected against UV light. Since the reflection coating attenuates signals for electronic systems in the interior of the motor vehicle, the smart card required for automatic tolling of road user charges is arranged in an OBU (On Board Unit) behind the open area, so that it is located primarily in the 5.8 GHz range Waves can reach the chip card as unhindered as possible. Similar problems due to a reflection coating can occur if, for example, a rain sensor for automatically actuating the windshield wiper or an encoding for detecting the vehicle type is arranged behind the windshield. Although the problem of reducing the transmission for the desired range and thus the problem of weakening of signals for a smart card or other electronic component is solved by the provided free surface in the reflective layer, but an open space in the reflective layer looks ugly from the outside, because It acts as a small window in the reflective layer and disturbs the uniform appearance of the windshield.

Es ist durch die DE 40 33 188 A1 auch schon bekannt, den Bereich auf der Frontscheibe, welcher zwischen zwei heruntergeschwenkten Sonnenblenden oberhalb des Rückspiegels verbleibt, mit einer diesen Bereich abdeckenden Kaschierung zu versehen, welche ein Punktmuster aufweist. Die Kaschierung hat dabei in diesem Bereich die Funktion einer dritten Sonnenblende und verhindert eine Blendung des Fahrers durch Sonnenlicht, welches anderenfalls zwischen den beiden Sonnenblenden in das Kraftfahrzeug gelangen könnte. Mit dem Problem der Schwächung von Signalen für eine elektronische Chipkarte befasst sich die Schrift nicht.It is through the DE 40 33 188 A1 also already known to provide the area on the windscreen, which remains between two sunken down above the rearview mirror, with a covering this area lamination, which has a dot pattern. The lamination has in this area the function of a third sun visor and prevents blinding of the driver by sunlight, which could otherwise reach between the two sun visors in the motor vehicle. With the problem of weakening signals for an electronic chip card, the font is not concerned.

Der Erfindung liegt das Problem zugrunde, eine Frontscheibe der eingangs genannten Art so auszubilden, dass in einem definierten Bereich die Transmission der Frontscheibe möglichst hoch ist, ohne dass von außen eine wie ein kleines Fenster wirkende Freifläche sichtbar wird.Of the Invention is based on the problem, a windscreen of the beginning so-called type in such a way that in a defined range the transmission of the windscreen is as high as possible without from the outside an open space that looks like a small window becomes visible.

Dieses Problem wird erfindungsgemäß durch den Gegenstand des Anspruchs 1 gelöst. Dadurch das die Kaschierung die Freifläche abdeckt und eine Durchsichtfläche von über 20% aufweist, behindert diese nur unwesentlich die Sicht aus dem Fahrzeug heraus nach außen. Sie sorgt jedoch dafür, dass der von ihr bedeckte Frontscheibenbereich von außen her dunkel erscheint, so dass die Freifläche in der Reflexionsschicht von außen unauffällig wird. Die Durchsichtfläche der Kaschierung kann besonders groß sein, wenn eine PVB-Folie der Frontscheibe im Bereich der Freifläche eingefärbt ist.This Problem is inventively the subject matter of claim 1 solved. That's the lamination the open space covering and a viewing area from above 20%, this obstructs only insignificantly the view from the vehicle out to the outside. However, she ensures that the front window area covered by it appears dark from the outside, so that the open space in the reflection layer from the outside inconspicuous becomes. The inspection surface The lamination can be particularly large when using a PVB film the windscreen is colored in the area of the free surface.

Die fahrzeuginnenseitig an der Windschutzscheibe im Bereich der Freifläche befestigte Chipkarte (OBU) ist auch vom Fahrzeuginneren nicht zu sehen, wenn gemäß einer anderen Weiterbildung der Erfindung die Freifläche im Bereich eines Rückspiegels des Kraftfahrzeugs vorgesehen ist.The Vehicle inside fixed to the windshield in the area of the open space Chip card (OBU) is also not visible from the vehicle interior, though according to a Another development of the invention, the free space in the range of a rearview mirror of the motor vehicle is provided.

Zur weiteren Verdeutlichung der Erfindung wird nachfolgend auf die Zeichnung Bezug genommen. Diese zeigt eine Ansicht eines Teilbereiches einer Frontscheibe 1, welche außenseitig mit einer nicht dargestellten Reflexionsschicht versehen ist, die aus mehreren Metallschichten besteht. Diese Reflexionsschicht ist durch eine in diesem Ausführungsbeispiel gezeigte Freifläche 2 im oberen Bereich der Frontscheibe 1 unterbrochen. Die Frontscheibe 1 weist des weiteren eine Kaschierung 3 auf, welche im Siebdruckverfahren auf der Frontscheibe 1 aufgebracht wurde und aus einer Vielzahl schwarzer Punkte besteht. Entlang der oberen Kante der Frontscheibe 1 ist diese Kaschierung 3 im Bereich der Freifläche 2 so breit, dass sie über die Freifläche 2 führt. Wie allgemein üblich, können die einzelnen Punkte der Kaschierung 3 zur Scheibenmitte hin im Durchmesser kleiner werden. Insgesamt soll die Kaschierung 3 eine Durchsichtfläche von über 20 % haben.To further illustrate the invention, reference will now be made to the drawings. This shows a view of a portion of a windshield 1 , which is provided on the outside with a reflection layer, not shown, which consists of several metal layers. This reflection layer is through an open space shown in this embodiment 2 in the upper area of the windscreen 1 interrupted. The windscreen 1 furthermore has a lamination 3 on which screen-printed on the windscreen 1 was applied and consists of a variety of black dots. Along the upper edge of the windshield 1 is this lamination 3 in the area of the open space 2 so wide that they are over the open space 2 leads. As is common practice, the individual points of lamination can 3 become smaller towards the middle of the disc. Overall, the lamination 3 have a see-through area of over 20%.

Üblicherweise bestehen Frontscheiben für Kraftfahrzeuge aus mehreren aufeinanderliegenden Glasschichten. Die Kaschierung befindet sich dann auf der Innenseite der innersten Glasschicht oder auf der Innenseite der äußeren Scheibe. Die zwischen zwei Glasschichten vorhandene PVB-Folie (Polyvenyl-Butadien-Folie) kann im oberen Bereich, in welchem sich die Freifläche 2 befindet, eingefärbt sein.Typically, windscreens for motor vehicles consist of several superposed glass layers. The lamination is then on the inside of the innermost glass layer or on the inside of the outer pane. The existing between two layers of glass PVB film (polyvinyl butadiene film) can in the upper area, in which the free space 2 is colored.

Claims (3)

Kraftfahrzeug mit Frontscheibe (1), welche eine überwiegend Infrarotlicht reflektierende Beschichtung und eine Freifläche (2) ohne Reflexionsbeschichtung hat, und welche im Randbereich eine im Siebdruckverfahren erzeugte, aus einem Punktraster bestehende Kaschierung (3) aufweist, dadurch gekennzeichnet, dass die Freifläche (2) im Wesentlichen eine ungedämpfte Transmission von Signalen bis hin zu einem fahrzeuginnenseitig hinter der Freifläche (2) angeordneten elektronischen Bauteil oder eine Kodierung erlaubt, wobei die Kaschierung (3) die Freifläche (2) abdeckt und eine Durchsichtfläche von über 20% derart aufweist, dass die Freifläche (2) von außen im Wesentlichen nicht sichtbar und dennoch die Sicht aus dem Fahrzeug heraus ermöglicht ist.Motor vehicle with windshield ( 1 ), which has a predominantly infrared-reflective coating and an open area ( 2 ), which has in the edge region a screen-printed, consisting of a dot matrix lamination ( 3 ), characterized in that the free surface ( 2 ) substantially an undamped transmission of signals to a vehicle inside the back of the open space ( 2 ) arranged electronic component or a coding, wherein the lamination ( 3 ) the open space ( 2 ) and has a see-through area of over 20% such that the open space ( 2 ) is not visible from the outside substantially and yet the view from the vehicle is made possible. Kraftfahrzeug nach Anspruch 1, dadurch gekennzeichnet, dass eine PVB-Folie der Frontscheibe (1) im Bereich der Freifläche (2) eingefärbt ist.Motor vehicle according to claim 1, characterized in that a PVB film of the windscreen ( 1 ) in the area of the open space ( 2 ) is colored. Kraftfahrzeug nach den Ansprüchen 1 oder 2, dadurch gekennzeichnet, dass die Freifläche (2) im Bereich eines Rückspiegels des Kraftfahrzeugs vorgesehen ist.Motor vehicle according to claims 1 or 2, characterized in that the free surface ( 2 ) is provided in the region of a rearview mirror of the motor vehicle.
DE1998148753 1998-10-22 1998-10-22 Motor vehicle with a windscreen Expired - Fee Related DE19848753B4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1998148753 DE19848753B4 (en) 1998-10-22 1998-10-22 Motor vehicle with a windscreen

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Application Number Priority Date Filing Date Title
DE1998148753 DE19848753B4 (en) 1998-10-22 1998-10-22 Motor vehicle with a windscreen

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ295030B6 (en) * 2002-07-31 2005-05-18 Škoda Auto a. s. Third sunscreen
JP2006240945A (en) * 2005-03-04 2006-09-14 Nippon Sheet Glass Co Ltd Panel
JP2006240552A (en) 2005-03-04 2006-09-14 Nippon Sheet Glass Co Ltd Panel
JP5659528B2 (en) * 2010-03-25 2015-01-28 スズキ株式会社 Windshield structure of vehicle
DE102019112454A1 (en) * 2019-05-13 2020-11-19 Volkswagen Aktiengesellschaft Window glass for a vehicle, window sensor unit and vehicle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19532431C2 (en) * 1995-09-02 1998-07-02 Flachglas Automotive Gmbh Antenna pane in at least one window opening of a metallic body of a motor vehicle, in particular a passenger car

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19532431C2 (en) * 1995-09-02 1998-07-02 Flachglas Automotive Gmbh Antenna pane in at least one window opening of a metallic body of a motor vehicle, in particular a passenger car

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Automobil Industrie,3/95,H.3,S.58 *

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