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WO2018108793A1 - Vitrage comportant des capteurs - Google Patents

Vitrage comportant des capteurs Download PDF

Info

Publication number
WO2018108793A1
WO2018108793A1 PCT/EP2017/082184 EP2017082184W WO2018108793A1 WO 2018108793 A1 WO2018108793 A1 WO 2018108793A1 EP 2017082184 W EP2017082184 W EP 2017082184W WO 2018108793 A1 WO2018108793 A1 WO 2018108793A1
Authority
WO
WIPO (PCT)
Prior art keywords
glazing
sensor
sensors
signal
physical properties
Prior art date
Application number
PCT/EP2017/082184
Other languages
English (en)
Inventor
Michel Meyers
Jonathan VIVIER
Nicolas CHORINE
Quentin FRASELLE
Original Assignee
Agc Glass Europe
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 Agc Glass Europe filed Critical Agc Glass Europe
Publication of WO2018108793A1 publication Critical patent/WO2018108793A1/fr

Links

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
    • B32B17/10009—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 number, the constitution or treatment of glass sheets
    • B32B17/10036—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 number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • 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
    • B32B17/10009—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 number, the constitution or treatment of glass sheets
    • B32B17/10128—Treatment of at least one glass sheet
    • B32B17/10137—Chemical strengthening
    • 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

Definitions

  • This invention relates to a glazing, e.g. a window, having sensors responsive to physical changes, e.g. responsive to physical impact, and more particularly, to an automotive window, e.g. an automotive windshield having sensors to monitor the breakage in real time.
  • Automotive glazing e.g. automotive windshields include a laminate of plastic layers or sheets, glass layers or sheets and combinations thereof.
  • the layers of an inner part of the windshield face the interior of the automotive and provide structural stability to the windshield.
  • the outer part of the windshield faces the exterior of the automotive and usually includes a laminate of glass sheets.
  • the outer part of the windshield which can also provide structural stability is usually provided with accessories for visual acuity.
  • the accessories can included an electrically conductive coating, or a plurality of electrically conductive wires, between and connected to a pair of spaced bus bars to heat the windshield to prevent the formation of, and/or remove fog and ice on and/or from, respectively, the outer surface of the windshield.
  • the operating efficiency of the windshield decreases until such time that the accessories of the windshield become non- functional, and the windshield needs to be replaced or repaired. It particularly the case when the glazing has undergone an impact. Untimely response to repair defects when they begin, decreases the operating efficiency of the glazing and can result in the need for emergency maintenance, e.g. repair or replacement. It would be advantageous, therefore, to provide a glazing having sensors to monitor physical changes such as impact so that the repair, or replacement.
  • This invention relates to an automotive glazing comprising a laminated glazing, comprising at least a first and a second glass sheets laminated with at least on thermoplastic interlayer, the glazing having at least one sensor selected from the group of a sensor for detecting impacts to, or vibration of, the glazing; a sensor for detecting a fracture in one or more of the sheets; or a combination thereof, wherein the sensor is mounted to monitor modification of physical properties and to generate a signal representative of the said modification of physical properties, the sensor being connected to an electrical connector, to provide external access to the signal generated by the sensors.
  • the at least one sensor selected from the group of a sensor for detecting impacts to, or vibration of, the glazing; a sensor for detecting a fracture in one or more of the sheets; or a combination thereof is mounted on a surface of one of the glass sheets between the first and the second surfaces of the glazing.
  • the at least one sensor selected from the group of a sensor for detecting impacts to, or vibration of, the glazing; a sensor for detecting a fracture in one or more of the sheets; or a combination thereof is mounted on an edge of the glazing mounted on a surface of one of the glass sheets between the first and the second surfaces of the glazing.
  • Non-limiting embodiments of the invention will be directed to an automotive laminated transparent glazing, and in particular to an automotive windshield.
  • the invention is not limited to any particular type of automotive glazing.
  • the invention is not limited to the material of the layers or sheets of the glazing, and the layers or sheets can be made of, but not limited to, cured and uncured plastic sheets; annealed, heat strengthened, and heat and chemically strengthened, clear, colored, coated and uncoated glass sheets.
  • the invention can be practiced on windows having opaque sheets, e.g. glass sheets having an opaque coating, and combinations thereof.
  • the windshield may include a first glass sheet laminated to a second glass sheet by a first interlayer.
  • the windshield or the glazing may be provided with heat to remove fog from, and/or to melt ice on, the outer surface of the windshield or the glazing.
  • the glass sheets of the windshield are clear may be chemically strengthened glass sheets; however, the invention is not limited thereto, and the glass sheets can be heat strengthened or heat tempered glass sheets. Further as is appreciated, the invention is not limited to the number of glass sheets, thermoplastic interlayers that make up the windshield and the windshield can have any number of sheets and/or interlayers.
  • the invention is not limited to the design and/or construction of the heatable member, and any electrically conductive heatable member used in the art to heat a surface of a sheet to melt ice on, and/or remove fog from the surface of the sheet can be used in the practice of the invention.
  • the heatable member may include a glass sheet having a conductive coating applied to surface of the glass sheet, and a pair of spaced bus bars in electrical contact with the conductive coating.
  • the invention is not limited to the composition of the conductive coating, for example and not limiting to the invention the conductive coating can be made from any suitable electrically conductive material.
  • the windshield is provided with an impact sensor or detector that generates a signal when an object hits or impacts the windshield, e.g. but not limiting to the invention, hits the outer surface of the windshield.
  • an object hits or impacts the windshield
  • the windshield e.g. but not limiting to the invention
  • hits the outer surface of the windshield e.g. but not limiting to the invention
  • the automotive foreign objects e.g. stones are propelled through the air and can hit the outer surface of the windshield.
  • the impact detector mounted a sheet of the windshield can be used to indicate that one or more foreign objects have hit the windshield, and optionally the location on the outer surface where the hit or impact occurred and the relative energy of the impact on the surface of the windshield.
  • a software may be linked to the impact sensor thus, if an stone or an object hits the glazing , the importance of the shock may be monitored in order to detect if the glazing have to be replaced or just repaired.
  • the software may for example offers a list of glazing advantageous for the car's owner for example to enhance performances of the glazing (weight, thermic comfort, save energy consumption).
  • each of the impact detectors include a piezoelectric material, e.g. but not limited to a piezoelectric crystal.
  • vibration e.g. vibration of the glass sheet caused by a stone hitting the outer surface of the glass sheet
  • the piezoelectric material undergoes a compression or distortion and, as a result, produces an electric field, which can be used to activate or to cause an alarm and/or a recorder to be activated to announce and/or record the hit or impact.
  • vibration e.g. vibration of the glass sheet caused by a stone hitting the outer surface of the glass sheet
  • the piezoelectric material undergoes a compression or distortion and, as a result, produces an electric field, which can be used to activate or to cause an alarm and/or a recorder to be activated to announce and/or record the hit or impact.
  • the location of the impact on the surface of the windshield can be identified, as discussed below.
  • one or more sensors or detectors are microphone sensors or detectors.
  • the heatable member may have one of the impact detectors mounted adjacent one of the sides, respectively of the glass sheet.
  • the detectors are mounted on the conductive coating and may have electrical contact of the detectors electrical connected to the conductive coating and to the console and the positive pole of the power supply by way of wires, respectively. In this manner, the power to the detectors is provided by the power supply monitored by the comparator in the console.
  • the invention is not limited to the manner in which power is provided to the detectors and any circuit arrangement can be used in the practice of the invention, e.g.
  • one electrical contact of the detectors can be mounted on any one or more of the sheets of the windshield and directly connected to one pole of a power supply dedicated to providing electrical power to the detectors and the other contact of the detectors connected to the other pole of the dedicated power supply.
  • a power supply dedicated to providing electrical power to the detectors and the other contact of the detectors connected to the other pole of the dedicated power supply.
  • the invention is not limited to the type of power supply used in the practice of the invention and the power supply can generate alternating or direct current.
  • the piezoelectric material of the detectors undergoes a compression or distortion when the windshield is vibrated, e.g. an object hits the outer surface of the windshield.
  • the vibration of the piezoelectric crystal of the detectors produces an electric field or current which is sent along one or more of wires of the detectors , respectively to the console .
  • the console is provided with data processing equipment, e.g. software which analysis the signal forwarded along the glazing to determine the location of the impact by triangulation of the signals from selected ones or all of the detectors, and the magnitude of the impact, e.g. by the magnitude of the electric field, and stores the information and use it as previously mentioned.
  • Electronic circuitry for electric file of impact detectors e.g.
  • signals from the detectors that exceed a predetermined amount of current are displayed on the console to indicate that a visual inspection of the outer surface of the windshield should be made, and/or the windshield repaired, e.g. at the next scheduled stop of the automotive, and optionally can be forwarded to a control center in a manner discussed below to schedule any needed repairs.
  • the information may be forwarded directly to our smartphone in order for example to inform the driver of the nearest center to replace the glazing or which kind of glazing will be more adapted to the automotive regarding the energy consumption, thermic comfort....
  • the crack sensor may include an electrically conductive strip extending along or around substantially the entire outer periphery of a major surface of one of the sheets of the windshield.
  • the conductive strip may be mounted over the electrically conductive layer of the glass sheet, surrounds the bus bars , and electrically isolated from the conductive coating by an electrically insulating layer, e.g. an electrically non-conductive coating layer.
  • the conductive strip can be embedded in the interlayers between the sheets as long as the conductive strip is in contact with its respective one of the sheets in a manner that will break or disrupt the conductive strip in the event the surface of the glass sheet having the conductive strip cracks.
  • multiple conductive strips can be placed in a grid or array pattern over the major surface of the sheets, or optionally an array pattern can be used adjacent the periphery of the sheets so as not to minimize reducing the vision area of windshield.
  • One non- limiting embodiment of the invention is to monitor the performance of the transparency of the invention and to timely schedule maintenance of, e.g. repairs to, or replacement of, transparencies, e.g. automotive windshields that are performing outside acceptable limits.
  • the windshield of the invention can have one or more of the impact, rupture, temperature and/or moisture sensors or detectors, e.g. but not limited to the types discussed above.
  • the wires from the sensors having signals carrying data regarding the performance of components of the windshield are connected to one part of a connector, e.g. an electrical output connector.
  • the output connector is not limiting to the invention and can be any of the types used in the art to provide external electrical access to an electric device embedded within a laminate.
  • the output connector is connected to an input electrical connector, e.g.
  • the console includes a computer having software to read and analyze the signals from the sensors or detectors to monitor and/or determine the performance of the components of the windshield.
  • Monitor provides visual display, and speaker provides audible information regarding the performance of the windshield, and/or individual components of the windshield.
  • the console can include an alarm to bring attention to the monitor. Placing the console in the automotive provides the personnel within the automotive with real time performance of the windshield. The information may advantageously be transfer to driver's smartphone.
  • the console has a wireless transmitter and receiver; the transmitter transmits signals to a transmitting tower.
  • the signals carry data on the performance of the windshield.
  • the tower transmits a signal carrying the data on the performance of the windshield to a satellite.
  • the satellite transmits a signal carrying the data on the performance of the windshield to a control center.
  • the data received is studied and the appropriate action to be taken is scheduled.
  • personnel at the control center determine what action, if any, is needed. If action such as repairs to the windshield or replacement of the windshield, is needed, a signal providing a repair schedule is transmitted to the satellite.
  • the satellite transmits a signal having the repair schedule to the tower.
  • the tower transmits a signal having the repair schedule to the console and to a maintenance center geographically close to the designated repair location usually the next scheduled stop for the automotive to arrange to have all parts, equipment and personal need at the designated repair location.
  • the repair schedule can include shipment of the windshield to the next scheduled stop of the automotive; if the windshield has to be replaced with some urgency.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

L'invention concerne in vitrage comportant des capteurs. La présente invention concerne un vitrage automobile comportant un vitrage feuilleté, comportant au moins une première et une deuxième feuilles de verre feuilletées avec au moins une couche intercalaire thermoplastique, le vitrage comprenant au moins un capteur choisi dans le groupe constitué d'un capteur servant à détecter des impacts sur le vitrage ou des vibrations de celui-ci; un capteur servant à détecter une fracture dans un ou plusieurs des feuilles; ou une combinaison de celles-ci. Selon la présente invention, le capteur est monté pour surveiller une modification des propriétés physiques et pour générer un signal représentatif de ladite modification des propriétés physiques, le capteur étant relié à un connecteur électrique, pour donner un accès externe au signal généré par les capteurs.
PCT/EP2017/082184 2016-12-12 2017-12-11 Vitrage comportant des capteurs WO2018108793A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16203455 2016-12-12
EP16203455.7 2016-12-12

Publications (1)

Publication Number Publication Date
WO2018108793A1 true WO2018108793A1 (fr) 2018-06-21

Family

ID=57737549

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/082184 WO2018108793A1 (fr) 2016-12-12 2017-12-11 Vitrage comportant des capteurs

Country Status (1)

Country Link
WO (1) WO2018108793A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114616441A (zh) * 2019-10-18 2022-06-10 旭硝子欧洲玻璃公司 用于评估汽车嵌装玻璃上的外部事件的方法
WO2022128749A1 (fr) * 2020-12-16 2022-06-23 Agc Glass Europe Utilisation d'un capteur de vibrations de vitrage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100163675A1 (en) * 2008-12-30 2010-07-01 Ppg Industries Ohio, Inc. Transparency having sensors
US20140067199A1 (en) * 2012-08-01 2014-03-06 Ppg Industries Ohio, Inc. Aerospace intelligent window system
US20150171624A1 (en) * 2011-09-28 2015-06-18 Ppg Industries Ohio, Inc. Intelligent window heat control system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100163675A1 (en) * 2008-12-30 2010-07-01 Ppg Industries Ohio, Inc. Transparency having sensors
US20150171624A1 (en) * 2011-09-28 2015-06-18 Ppg Industries Ohio, Inc. Intelligent window heat control system
US20140067199A1 (en) * 2012-08-01 2014-03-06 Ppg Industries Ohio, Inc. Aerospace intelligent window system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114616441A (zh) * 2019-10-18 2022-06-10 旭硝子欧洲玻璃公司 用于评估汽车嵌装玻璃上的外部事件的方法
WO2022128749A1 (fr) * 2020-12-16 2022-06-23 Agc Glass Europe Utilisation d'un capteur de vibrations de vitrage

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