FR2737075A1 - Electrically heated window for motor vehicle - has metal layer deposited in horizontal bands on glass to form heating resistance, with resistance having narrower width in preferred visibility region - Google Patents
Electrically heated window for motor vehicle - has metal layer deposited in horizontal bands on glass to form heating resistance, with resistance having narrower width in preferred visibility region Download PDFInfo
- Publication number
- FR2737075A1 FR2737075A1 FR9508869A FR9508869A FR2737075A1 FR 2737075 A1 FR2737075 A1 FR 2737075A1 FR 9508869 A FR9508869 A FR 9508869A FR 9508869 A FR9508869 A FR 9508869A FR 2737075 A1 FR2737075 A1 FR 2737075A1
- Authority
- FR
- France
- Prior art keywords
- glass
- resistance
- window
- glazing
- electrically heated
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
- H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
-
- 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
- B60S1/026—Cleaning windscreens, windows or optical devices including defroster or demisting means using electrical means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
- H05B2203/005—Heaters using a particular layout for the resistive material or resistive elements using multiple resistive elements or resistive zones isolated from each other
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/011—Heaters using laterally extending conductive material as connecting means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/013—Heaters using resistive films or coatings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/037—Heaters with zones of different power density
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Heating (AREA)
Abstract
Description
VITRAGE AUTOMOBILE A CHAUFFAGE ELECTRIOUE
L'invention concerne les vitrages automobiles à chauffage électrique du type comportant un support en verre porteur des électroconducteurs et de bandes d'amenée de courant.AUTOMOTIVE WINDOWS WITH ELECTRIC HEATING
The invention relates to automotive glazing with electric heating of the type comprising a glass support carrying the electrically conductive and current supply strips.
La publication FR-A-2509947 décrit un vitrage dans lequel les bandes d'amenée de courant sont recouvertes par une couche protectrice électriquement isolante sous laquelle les tronçons latéraux des conducteurs sont élargis.The publication FR-A-2509947 describes a glazing in which the current supply strips are covered by an electrically insulating protective layer under which the lateral sections of the conductors are widened.
Un tel vitrage permet la protection des bandes d'amenée de courant et un collage du vitrage sur un encadrement porté par un panneau de la carrosserie.Such glazing allows the protection of the current supply strips and a bonding of the glazing on a frame carried by a panel of the bodywork.
Il est connu de disposer des électroconducteurs sur la surface du vitrage et de prévoir une zone dans laquelle leur résistance est plus faible, dans le but de concentrer le chauffage sur ladite zone et de permettre la vision arrière acceptable à l'aide du système rétroviseur intérieur à l'habitacle.It is known to have electric conductors on the surface of the glazing and to provide an area in which their resistance is lower, in order to concentrate the heating on said area and to allow acceptable rear vision using the interior rearview mirror system. to the passenger compartment.
La publication FR-A-2075R52 décrit un vitrage sur lequel le chauffage électrique est renforcé dans le but de créer des champs de vision différentiels.The publication FR-A-2075R52 describes a glazing on which the electric heating is reinforced in order to create differential fields of vision.
Lorsque les électroconducteurs sont situés dans le champ de vision, il parait inesthétique qu'une modification d'épaisseur soit visible.When the electric conductors are located in the field of vision, it seems unsightly that a change in thickness is visible.
L'invention a pour but de remédier à l'inconvénient précité.The invention aims to remedy the aforementioned drawback.
Selon l'invention les électroconducteurs, respectivement localisés dans la zone de champ de vision préférentiel, sont déposés sur un écran constitué par un émail isolant de largeur uniforme sensiblement plus importante que celle desdits conducteurs.According to the invention the electrically conductive, respectively located in the preferential field of vision zone, are deposited on a screen formed by an insulating enamel of uniform width substantially greater than that of said conductors.
Le vitrage ainsi réalisé peut-être équipé de conducteurs aussi peu résistants que possible et les différences de largeur des électroconducteurs sont masqués par le revêtement d'émail isolant. The glazing thus produced may be equipped with conductors as weak as possible and the differences in width of the electric conductors are masked by the insulating enamel coating.
Sur le vitrage ainsi le réseau d'électroconducteurs peut-être réalisé par dépôt sur l'émail isolant d'une pâte conductrice.On the glazing thus the network of electroconductive can be carried out by deposition on the insulating enamel of a conductive paste.
Le dépôt est réalisé de manière conventionnelle par un procédé sérigraphique au moyen d'un écran dont la structure inclut des découpes pour le dépôt de bandes résistantes.The deposition is carried out in a conventional manner by a screen printing process by means of a screen whose structure includes cutouts for the deposition of resistant bands.
Le vitrage chauffant ainsi obtenu peut également de manière connue être renforcé par une deuxième couche d'émail protecteur couvrant les différents éléments chauffants.The heating glazing thus obtained can also in known manner be reinforced by a second layer of protective enamel covering the various heating elements.
D'autres caractéristiques et avantages du vitrage apparaîtront à la lecture de la description en référence au dessin annexé sur lequel - la figure l est une représentation schématique de la face intérieure d'un
vitrage automobile chauffant à champ de vision préférentiel.Other characteristics and advantages of the glazing will appear on reading the description with reference to the appended drawing in which - FIG. 1 is a schematic representation of the interior face of a
automotive glazing heating with preferential field of vision.
- la figure 2 est une vue à une plus grande échelle d'une partie d'un l'électroconducteur. - Figure 2 is a view on a larger scale of part of an electrically conductive.
- la figure 3 est une représentation schématique de la face extérieure du
vitrage représenté à la figure 1.- Figure 3 is a schematic representation of the outer face of the
glazing shown in Figure 1.
- la figure 4 est une vue en coupe agrandie d'une partie du vitrage
représenté aux figures 1 et 3.- Figure 4 is an enlarged sectional view of part of the glazing
shown in Figures 1 and 3.
On se référera d'abord aux figures 1 et 2 du dessin sur lesquelles la référence 1 désigne le vitrage arrière (support de verre laminé) d'un véhicule automobile.Reference will first be made to FIGS. 1 and 2 of the drawing in which the reference 1 designates the rear glazing (laminated glass support) of a motor vehicle.
Le vitrage possède une structure de bordure 10 stratifiée constituée par une couche colorée en céramique 2 et d'une couche conductrice.The glazing has a laminated border structure 10 consisting of a colored ceramic layer 2 and a conductive layer.
Suivant la figure 1 qui représente la face intérieure du vitrage tourné vers l'habitacle du véhicule, la couche colorée en céramique est formée sur le bord extérieur de la face intérieure du vitrage.According to Figure 1 which shows the inner face of the glazing facing the passenger compartment of the vehicle, the colored ceramic layer is formed on the outer edge of the inner face of the glazing.
Des conducteurs omnibus 3 sont formées sur chacun des deux côtés de la couche colorée 2. Omnibus conductors 3 are formed on each of the two sides of the colored layer 2.
Plusieurs électroconducteurs minces 4 sont formés entre les deux conducteurs omnibus 3.Several thin electric conductors 4 are formed between the two omnibus conductors 3.
Des exemples de réalisation de telles couches en céramique et de conducteurs font partie de l'état de la technique tel que décrit dans la publication FR-A-2618387. Examples of embodiment of such ceramic layers and conductors are part of the state of the art as described in the publication FR-A-2618387.
Le vitrage conforme à la figure l possède une zone 11 de champ de vision préférentiel. Dans cette zone 11, les électroconducteurs 4 possèdent une largeur a faible voisine de 0,5 mm et sont avantageusement appliqués par un procédé sérigraphique à l'écran et peuvent après cuisson être renforcés par voie galvanoplastique.The glazing according to FIG. 1 has a zone 11 of preferential field of vision. In this zone 11, the electric conductors 4 have a width of close to 0.5 mm and are advantageously applied by a screen printing process to the screen and can, after firing, be reinforced by electroplating.
Pour obtenir le résultat recherché on veillera que dans la zone 11 l'électroconducteur tel que 4 possède une résistance de 0,02 Q à 0,05 2 /cm et une largeur de 0,5 mm.To obtain the desired result, care should be taken that in zone 11 the electroconductive such as 4 has a resistance of 0.02 Q at 0.05 2 / cm and a width of 0.5 mm.
Par contre dans la zone de bordure 12 du vitrage et à proximité de la zone 1 1 de champ préférentiel, les électroconducteurs 4 possèdent une largeur (b) plus forte voisine de 1,2 mm et une résistance plus grande de 0,02 il à 0,07 q /cm. On the other hand, in the border area 12 of the glazing and near the area 11 of the preferential field, the electric conductors 4 have a wider width (b) close to 1.2 mm and a greater resistance of 0.02 μl to 0.07 q / cm.
Dans le but de masquer les conducteurs 4 entre les zones de bordures 12 opposées, ceux-ci sont disposés sur des écrans constitués par un émail non conducteur 13 formé sur le support 1.In order to mask the conductors 4 between the opposite border areas 12, these are arranged on screens formed by a non-conductive enamel 13 formed on the support 1.
A titre d'exemple.l'émail est constitué par une composition de N 60 % de fritté de verre
15 % de plomb
10 % de manganèse
3 % de bore
5 % de titane
5 % de bismuth
1 % d'autres éléments imprimé sur le vitrage à la manière de la couche céramique 2.As an example, the enamel is made up of a composition of N 60% glass sinter
15% lead
10% manganese
3% boron
5% titanium
5% bismuth
1% of other elements printed on the glazing in the manner of ceramic layer 2.
Un deuxième émail protecteur 14 recouvre l'ensemble des conducteurs 4 et des conducteurs omnibus 3. A second protective enamel 14 covers all of the conductors 4 and the omnibus conductors 3.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9508869A FR2737075B1 (en) | 1995-07-21 | 1995-07-21 | AUTOMOTIVE WINDOWS WITH ELECTRIC HEATER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9508869A FR2737075B1 (en) | 1995-07-21 | 1995-07-21 | AUTOMOTIVE WINDOWS WITH ELECTRIC HEATER |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2737075A1 true FR2737075A1 (en) | 1997-01-24 |
FR2737075B1 FR2737075B1 (en) | 1997-08-14 |
Family
ID=9481239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9508869A Expired - Fee Related FR2737075B1 (en) | 1995-07-21 | 1995-07-21 | AUTOMOTIVE WINDOWS WITH ELECTRIC HEATER |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2737075B1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6670581B1 (en) * | 1999-05-20 | 2003-12-30 | Glaverbel | Automotive glazing panel having an electrically heatable solar control coating layer |
FR2862374A1 (en) * | 2003-11-18 | 2005-05-20 | Kj Soc | Heating panel for forming heating sheath on e.g. wall, has plate with thickness lower than four millimeters, and layer made up of insulating and thermally conductive material, and having thickness slightly greater than thickness of plate |
US7019260B1 (en) * | 1999-05-20 | 2006-03-28 | Glavarbel | Automotive glazing panel with solar control coating comprising a data transmission window |
EP1679241A3 (en) * | 2005-01-11 | 2009-05-20 | EUFAB GmbH | Heater, in particular for glass panes of a vehicle |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1464585A (en) * | 1964-04-23 | 1967-01-06 | Saint Gobain | Heated glazing for vehicles, process and equipment for its manufacture |
US3813519A (en) * | 1964-11-09 | 1974-05-28 | Saint Gobain | Electrically heated glass window |
FR2242709A1 (en) * | 1973-09-05 | 1975-03-28 | Glaverbel |
-
1995
- 1995-07-21 FR FR9508869A patent/FR2737075B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1464585A (en) * | 1964-04-23 | 1967-01-06 | Saint Gobain | Heated glazing for vehicles, process and equipment for its manufacture |
US3813519A (en) * | 1964-11-09 | 1974-05-28 | Saint Gobain | Electrically heated glass window |
FR2242709A1 (en) * | 1973-09-05 | 1975-03-28 | Glaverbel |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6670581B1 (en) * | 1999-05-20 | 2003-12-30 | Glaverbel | Automotive glazing panel having an electrically heatable solar control coating layer |
US7019260B1 (en) * | 1999-05-20 | 2006-03-28 | Glavarbel | Automotive glazing panel with solar control coating comprising a data transmission window |
FR2862374A1 (en) * | 2003-11-18 | 2005-05-20 | Kj Soc | Heating panel for forming heating sheath on e.g. wall, has plate with thickness lower than four millimeters, and layer made up of insulating and thermally conductive material, and having thickness slightly greater than thickness of plate |
EP1679241A3 (en) * | 2005-01-11 | 2009-05-20 | EUFAB GmbH | Heater, in particular for glass panes of a vehicle |
Also Published As
Publication number | Publication date |
---|---|
FR2737075B1 (en) | 1997-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |
Effective date: 20080331 |