EP3508030B1 - Vitre dotee d'un systeme de chauffage electrique - Google Patents

Vitre dotee d'un systeme de chauffage electrique Download PDF

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Publication number
EP3508030B1
EP3508030B1 EP17745709.0A EP17745709A EP3508030B1 EP 3508030 B1 EP3508030 B1 EP 3508030B1 EP 17745709 A EP17745709 A EP 17745709A EP 3508030 B1 EP3508030 B1 EP 3508030B1
Authority
EP
European Patent Office
Prior art keywords
glass pane
antenna
heating assembly
ant
operating voltage
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.)
Active
Application number
EP17745709.0A
Other languages
German (de)
English (en)
Other versions
EP3508030A1 (fr
Inventor
Volkmar Offermann
Stefan Droste
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.)
Saint Gobain Glass France SAS
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
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 Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Priority to PL17745709T priority Critical patent/PL3508030T3/pl
Publication of EP3508030A1 publication Critical patent/EP3508030A1/fr
Application granted granted Critical
Publication of EP3508030B1 publication Critical patent/EP3508030B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01Q1/1278—Supports; Mounting means for mounting on windscreens in association with heating wires or layers
    • 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
    • H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
    • 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
    • H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
    • 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

Definitions

  • the invention relates to a pane of glass with an electrical heating arrangement.
  • antenna functions are also increasingly being taken over by the previous heating arrangements. With the integration of antenna functions, wind noise on the vehicle is minimized and damage to the antennas is prevented. Be exemplary DE 40 345 48 C2 referenced.
  • heating wires can be applied to a glass substrate.
  • the heating wires can be arranged sinusoidally.
  • the document also lists the use of a textile mat with heating wires as an antenna. However, no statement is made about the areas of the heating wires that act as an antenna, nor their arrangement.
  • the heating wires were generally printed using printing technology, e.g. the screen printing, applied to the pane.
  • the design of the heating wires There are narrow limits to the design of the heating wires. On the one hand, these are due to the fact that the heating of the glass pane should take place as uniformly as possible in order to avoid thermally induced damage, and on the other hand, the structure sizes are limited so that the view through the pane is not impaired too much. On the other hand, the manufacturing process also sets limits, so that the printed heating wires have a certain specific resistance and certain structural sizes.
  • a glass pane with an electrical heating arrangement suitable for use with an operating voltage of more than 14 volts, at least part of the heating arrangement also being suitable to act as an antenna, the heating arrangement having at least a first number of electrically conductive meander-shaped Sections and a second number of electrically conductive meander-shaped sections, wherein the meander-shaped sections within the first number or within the second number are essentially parallel to one another in a first orientation are arranged, the respective beginnings and ends of the meander-shaped sections within the first number or within the second number each end on a common electrical conductor that extends essentially perpendicular to the first orientation, at least one of the essentially perpendicular to the first alignment extended electrical conductor acts as an antenna.
  • a meander M 1 , M 2 represents a loop, see Figure 4 .
  • the meander M 1 is aligned horizontally in a first orientation, ie the opening of the loop points in a horizontal direction.
  • the meanders M 1 , M 2 are arranged parallel to one another. While the meander M 1 is open to the left in the horizontal direction, meander M 2 is open to the right in the horizontal direction.
  • At least parts of the heating arrangement are applied or introduced as wires on or into a combination film F of a laminated glass pane.
  • the antenna has its own antenna connection for connection to one or more high-frequency devices.
  • the antenna has a filter for separating high-frequency signals and direct voltage, so that direct voltage does not interfere with the reception of high-frequency signals.
  • the heating arrangement is suitable for use with an operating voltage of approximately 48 volts.
  • the electrical conductor and / or the electrically conductive meandering sections have a minimum structure width of equal to or more than 0.1 mm and a maximum structure width of less than 2 mm.
  • a pane of glass can easily be provided that can also be operated with operating voltages higher than 14 volts.
  • the antenna is suitable for receiving high-frequency signals, in particular keyless access systems, analog / digital radio and / or mobile communication signals.
  • the heating arrangement has silver.
  • a pane of glass can easily be provided which can also be operated with operating voltages higher than 14 volts.
  • the glass pane also has at least one electrical filter in order to decouple the operating voltage and the antenna.
  • the object is also achieved by using a previously described glass pane according to the invention in vehicles, in particular as a rear window.
  • FIG. 1 and 2 embodiments of a pane of glass 1 are shown schematically.
  • the glass pane 1 is equipped with a heating arrangement H which is suitable for use with an operating voltage of more than 14 volts.
  • At least part of the heating arrangement H is also suitable for acting as an antenna ANT.
  • Antenna is to be understood to mean that electromagnetic radiation can be received and / or emitted.
  • electromagnetic radiation is any modulated or unmodulated electromagnetic radiation that is used to transmit information.
  • the heating arrangement H has at least a first number of electrically conductive meander-shaped sections A 1 and a second number of electrically conductive meander-shaped sections A 2 .
  • the heating arrangement H has a first number of electrically conductive meandering sections A 1 and one second number of electrically conductive meandering sections A 2
  • the heating arrangement H has a first number of electrically conductive meander-shaped sections A 1 and a second number of electrically conductive meander-shaped sections A 2 and a third number of electrically conductive meander-shaped sections A 3 .
  • the heating arrangement could easily have even more numbers of meandering sections.
  • the meandering sections within the first number and within the second number are in Figure 1 arranged essentially parallel to one another in a first orientation.
  • the meandering sections within the first number or within the second number and within the third number are in Figure 3 arranged essentially parallel to one another in a first orientation.
  • the respective beginnings and ends of the meandering sections within the first number or within the second number each end on a common electrical conductor, which in each case extends essentially perpendicular to the first alignment.
  • At least one of the electrical conductors extending perpendicular to the first alignment acts as an antenna.
  • the at least one of the electrical conductors (L 2 ; L 2 , L 3 ) extending perpendicular to the first alignment, which acts as an antenna (ANT), has a potential different from the operating voltage when used with the operating voltage.
  • the arrangement of the presented invention allows in particular the common conductors L 1 , L 2 , L 3 , L 4 , ... to be understood as equipotential planes, so that within the respective conductor there is no significant current flow perpendicular to the first alignment.
  • the current flow occurs essentially “in the first orientation”
  • there is no current flow on the electrical conductors caused by the operating voltage so that undesired hotspots cannot occur on the pane 1.
  • a homogeneous heat distribution is made possible.
  • the function as an antenna ANT is guaranteed.
  • the number of meander-shaped sections and the length of the meander-shaped sections can be suitably set so that a desired heating power can be achieved with a certain glass thickness and operating voltage.
  • the antenna ANT can be provided with one or more contact elements at a suitable location. This allows e.g. different frequency ranges are served and / or transmitter and receiver are decoupled from each other and / or, a diversity system is operated or spatial multiplexing (MIMO) is made possible.
  • the diversity systems include switch diversity and phase diversity on the receiver side of the system in order to use the different reception properties of several antennas profitably and thus e.g. to improve the omnidirectional effect.
  • the heating arrangement H are applied or introduced as wires on or in the combination film F of a laminated glass pane.
  • the invention is not limited to the area of specific glass panes.
  • the term "wire” should not be misunderstood. Rather, wire is to be understood as a rather elongated arrangement with regard to the thickness / width of the conductor. In particular, the term also includes (screen) printed conductors.
  • the antenna ANT has its own antenna connection for connection to one or more high-frequency devices.
  • a high frequency device can e.g. be a diplexer or the like, but also an amplifier and / or a transmitter.
  • the antenna ANT has at least one filter for separating high-frequency signals and direct voltage, so that direct voltage does not interfere with the reception of high-frequency signals.
  • filter is to be understood broadly and can also include a frequency block.
  • the filters can also be provided on the glass pane 1 by means of printing technology, for example as a stripline, or else as in FIG Figure 3 outlined as independent elements.
  • a low-pass filter or several low-pass filters TP 1 , TP 2 can be provided in order to prevent high-frequency signals from entering the vehicle electrical system (indicated by 48 volts and an earth symbol, for example).
  • the respective operating voltage - typically a direct voltage - can pass through the low-pass filter while the high frequency of a transmitter, e.g. a mobile radio transmitter, is not distributed over the on-board network and thus interference with e.g. vehicle electronics or undesired emissions can be avoided. It is not necessary to provide two low-pass passes. It is often sufficient to provide a low-pass filter TP 1 on the supply voltage side of the operating voltage.
  • an inductance for example on the supply voltage side (48 volts)
  • the filter and coil are primarily used to protect the antenna from interference from the vehicle electrical system or to prevent a high-frequency short circuit between the antenna and the vehicle ground and the supply voltage side.
  • a high pass HP or band pass BP can also be provided in order to protect the high-frequency devices from the ingress of direct voltage.
  • the provision of a capacity as a (high-pass) filter HP can also be sufficient here. In this way, the often sensitive transmitter / receiver or amplifier electronics of the high-frequency device can be protected from the ingress of direct voltage. Penetrating operating voltage can destroy or impair the high-frequency device.
  • the heating arrangement H is suitable for use with an operating voltage of approximately 48 volts. This enables a wide range of operating voltages.
  • the electrical conductor and / or the electrically conductive meander-shaped sections have a minimum structure width of equal to or more than 0.1 mm and a maximum structure width of less than 2 mm.
  • the antenna is suitable for receiving high-frequency signals, in particular keyless entry systems, analog radio such as e.g. Long-wave, medium-wave, short-wave and ultra-short-wave broadcasting, digital broadcasting, e.g. DAB, DAB +, DRM, DVB-T, DVB-T2 as well as for mobile communication signals, e.g. according to one of the standards GSM, UMTS, LTE or the like.
  • analog radio such as e.g. Long-wave, medium-wave, short-wave and ultra-short-wave broadcasting
  • digital broadcasting e.g. DAB, DAB +, DRM, DVB-T, DVB-T2
  • mobile communication signals e.g. according to one of the standards GSM, UMTS, LTE or the like.
  • GSM Global System for Mobile communications
  • UMTS Universal Mobile communications
  • the conductors L 2 or L 2 and L 3 extending perpendicular to the first alignment can act as an antenna ANT.
  • These can have suitable dimensions for the function as an antenna and are particularly suitable for receiving signals polarized in this direction (but also for circularly polarized signals) because they are perpendicular to the first alignment.
  • the sections of the meandering sections A 1 , A 2 , A 3 ... Extending in the first alignment can also act as an antenna ANT.
  • These can have suitable dimensions for the function as an antenna and, due to the first alignment, are particularly suitable for receiving signals polarized in this direction (but also for circularly polarized signals).
  • the heating arrangement H has silver.
  • silver paste can be applied to the glass pane 1 by means of screen printing technology.
  • the use of a glass pane 1 according to the invention is provided in vehicles, in particular land vehicles, and in particular as a rear window.

Landscapes

  • Details Of Aerials (AREA)
  • Surface Heating Bodies (AREA)

Claims (10)

  1. Vitre (1) avec un dispositif de chauffage électrique (H) adapté pour être utilisé avec une tension de fonctionnement supérieure à 14 volts,
    • où au moins une partie du dispositif de chauffage (H) est en outre adaptée pour agir comme une antenne (ANT), caractérisé en ce que
    • le dispositif de chauffage comprend au moins un premier nombre de sections en forme de méandres électriquement conducteurs (A1) et un deuxième nombre de sections en forme de méandres électriquement conducteurs (A2),
    • où les sections en forme de méandres à l'intérieur dudit premier nombre ou de ledit deuxième nombre sont disposées sensiblement parallèlement les unes aux autres dans une première orientation,
    • où respectivement les débuts et les fins des sections en forme de méandres du premier et du deuxième nombre, se terminent sur un conducteur électrique commun (L1, L2, L3), qui s'étend sensiblement perpendiculairement à la première orientation,
    • où au moins l'un des conducteurs électriques (L2; L2, L3) s'étendant sensiblement perpendiculairement à la première orientation agit comme une antenne (ANT),
    • où ledit au moins un des conducteurs électriques (L2; L2, L3) s'étendant sensiblement perpendiculairement à la première orientation, qui agit comme une antenne (ANT), lorsqu'il est utilisé avec la tension de fonctionnement possède un potentiel différent de la tension de fonctionnement.
  2. Vitre (1) selon la revendication 1, où au moins des parties du dispositif de chauffage (H) sont appliquées ou insérées sous forme de fils sur ou dans la feuille composite (F).
  3. Vitre (1) selon l'une des revendications 1 ou 2, où l'antenne (ANT) possède sa propre borne d'antenne pour la connexion à un ou plusieurs appareils à haute fréquence.
  4. Vitre (1) selon l'une des revendications 1 à 3, où l'antenne (ANT) possède un filtre pour séparer les signaux haute fréquence et la tension continue afin d'assurer que la tension continue ne perturbe pas la réception des signaux haute fréquence.
  5. Vitre (1) selon l'une des revendications 1 à 4, où le dispositif de chauffage (H) est adapté à une utilisation avec une tension de fonctionnement d'environ 48 volts.
  6. Vitre (1) selon l'une des revendications 1 à 5, où le conducteur électrique et/ou les sections en forme de méandres électriquement conductrices présentent une largeur de structure minimale égale ou supérieure à 0,1 mm et une largeur de structure maximale inférieure à 2 mm.
  7. Vitre (1) selon l'une des revendications 1 à 6, où l'antenne est adaptée à la réception de signaux à haute fréquence, en particulier les systèmes d'entrée sans clé, la radiodiffusion analogique/numérique, y compris la télévision et les signaux de communication mobile.
  8. Vitre (1) selon l'une des revendications 1 à 7, où le dispositif de chauffage (H) comprend de l'argent.
  9. Vitre (1) selon l'une des revendications 1 à 8, où ladite vitre comprend en outre au moins un filtre électrique (HP, TP, BP) pour découpler la tension de fonctionnement et l'antenne (ANT).
  10. Utilisation d'une vitre (1) selon l'une des revendications 1 à 9 dans des véhicules, en particulier comme lunette arrière.
EP17745709.0A 2016-09-05 2017-07-26 Vitre dotee d'un systeme de chauffage electrique Active EP3508030B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17745709T PL3508030T3 (pl) 2016-09-05 2017-07-26 Szyba szklana z elektrycznym układem grzejnym

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16187170 2016-09-05
PCT/EP2017/068849 WO2018041480A1 (fr) 2016-09-05 2017-07-26 Plaque de verre munie d'un dispositif de chauffage électrique

Publications (2)

Publication Number Publication Date
EP3508030A1 EP3508030A1 (fr) 2019-07-10
EP3508030B1 true EP3508030B1 (fr) 2020-08-19

Family

ID=56883608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17745709.0A Active EP3508030B1 (fr) 2016-09-05 2017-07-26 Vitre dotee d'un systeme de chauffage electrique

Country Status (8)

Country Link
US (1) US10938086B2 (fr)
EP (1) EP3508030B1 (fr)
CN (1) CN108064468B (fr)
ES (1) ES2824520T3 (fr)
HU (1) HUE052464T2 (fr)
MA (1) MA46082B1 (fr)
PL (1) PL3508030T3 (fr)
WO (1) WO2018041480A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020207885A1 (fr) 2019-04-10 2020-10-15 Saint-Gobain Glass France Vitre de véhicule pourvue d'une antenne
FR3098678A1 (fr) * 2019-07-12 2021-01-15 Valeo Systemes Thermiques Structure chauffante pour véhicule automobile

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2250329A5 (fr) 1973-10-31 1975-05-30 Saint Gobain
DE4034548C2 (de) 1989-05-01 2003-05-15 Heinz Lindenmeier Kraftfahrzeugscheibenantenne für Frequenzen oberhalb des Hochfrequenzbereichs
JP2000183624A (ja) * 1998-12-14 2000-06-30 Harada Ind Co Ltd 車両用窓ガラスアンテナ装置
CN101060193A (zh) * 2006-04-19 2007-10-24 旭硝子株式会社 汽车用高频玻璃天线及汽车用后窗玻璃板
US7560671B2 (en) * 2006-09-26 2009-07-14 Textronics, Inc. Textile laminate structures including conductive elements and method for making such structures
US20080083720A1 (en) 2006-10-04 2008-04-10 T-Ink, Inc. Method of heating an article
FR2909340B1 (fr) * 2006-11-30 2009-01-02 Peugeot Citroen Automobiles Sa Lunette arriere ouvrante pour vehicule automobile.
DE102007019475A1 (de) * 2007-04-25 2008-11-06 Happich Fahrzeug- Und Industrieteile Gmbh Beheizbares Fenster
CN101693453A (zh) * 2009-09-22 2010-04-14 无锡市新区梅村镇同春太阳能光伏农业种植园 铜铟镓硒薄膜太阳能电池应用在车用反光镜上的除雾装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3508030A1 (fr) 2019-07-10
US10938086B2 (en) 2021-03-02
HUE052464T2 (hu) 2021-04-28
US20190198970A1 (en) 2019-06-27
ES2824520T3 (es) 2021-05-12
CN108064468A (zh) 2018-05-22
PL3508030T3 (pl) 2021-01-25
CN108064468B (zh) 2021-08-03
MA46082B1 (fr) 2020-11-30
WO2018041480A1 (fr) 2018-03-08

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