EP3378045A1 - Alarmscheibenanordnung - Google Patents
AlarmscheibenanordnungInfo
- Publication number
- EP3378045A1 EP3378045A1 EP16809657.6A EP16809657A EP3378045A1 EP 3378045 A1 EP3378045 A1 EP 3378045A1 EP 16809657 A EP16809657 A EP 16809657A EP 3378045 A1 EP3378045 A1 EP 3378045A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- disc
- alarm
- electrically conductive
- transparent
- conductive coating
- 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.)
- Withdrawn
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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3618—Coatings of type glass/inorganic compound/other inorganic layers, at least one layer being metallic
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3626—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer one layer at least containing a nitride, oxynitride, boronitride or carbonitride
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2611—Measuring inductance
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/04—Mechanical actuation by breaking of glass
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Definitions
- the invention relates to an alarm disk arrangement, in particular for insulating glazing, with a transparent, electrically conductive coating and an inductive sensor. Furthermore, the invention relates to a method for operating the alarm disk arrangement.
- alarm discs In order to detect the breakage of a disc, for example in the event of burglary or other damage, so-called alarm discs are used. These alarm discs are usually part of an insulated or multiple glazing. In this case, there is usually at least one disc made of toughened tempered safety glass (ESG). If damaged, the tempered glass breaks over its entire surface into small fragments.
- ESG toughened tempered safety glass
- DE 197 54 295 A1 shows an arrangement in which two measuring electrodes spaced apart from one another are galvanically connected to an electrically conductive layer.
- the object of the present invention is now to provide an improved alarm disk assembly which is simple and inexpensive to manufacture and which is less visually visible.
- the alarm disc assembly according to the invention is suitable in a retrofit method already
- the alarm disk arrangement comprises at least: at least one first pane, which consists of toughened glass, with an outside surface (I) and an inside surface (II), at least one transparent, electrically conductive coating, which is arranged on the inside surface (II) of the first pane and
- a sensor unit with an inductive sensor which is inductively coupled to the transparent, electrically conductive coating
- the sensor unit emits an alarm signal in case of deviations of a measurement signal of the inductive sensor from a comparison value.
- the invention is based on the recognition that many disks and in particular insulating glass panes have transparent coatings with a good electrical conductivity. These transparent, electrically conductive coatings have a variety of tasks: for example, to reflect infrared radiation or low-E properties.
- the alarm disc assembly according to the invention comprises a sensor unit which monitors the integrity of the disc with a sensor without contact and outputs an alarm signal when the disc breaks.
- the non-contact monitoring eliminates a complex contacting of the transparent, electrically conductive coating.
- Such contacts are usually soldered and highly susceptible to aging, since the contact resistance at the soldering changes by aging processes. In inductive monitoring, this is not a problem, since the direct electrical contacting of the transparent, electrically conductive coating is eliminated.
- the transparent, electrically conductive coating is hardly visible visually and therefore very aesthetic. It may, for example, also have antireflective properties and improve the transparency through the glass. All this was unexpected and surprising to the inventors.
- An alarm disk arrangement comprises at least one first disk with an outside surface (I) and an inside surface (II).
- the first pane usually serves to separate an exterior space from an interior, for example a building, a showcase or a vehicle.
- the alarm disc assembly to protect a
- the inside surface (II) may also be exposed to potential attacks, such as destruction with an emergency hammer in case of danger. In this case, no deliberate manipulation of the sensor unit is assumed.
- outside surface (I) of the first pane can also have a further coating, for example a further transparent, electrically conductive coating.
- the sensitivity of the sensor can be selected so that only the integrity of the transparent, electrically conductive
- Coating on the inside surface (II) of the first disc is monitored, or in addition, the integrity of the other transparent, electrically conductive coating on the outside surface (I) of the first disc is monitored with.
- the transparent, electrically conductive coating is connected to the first pane in such a way that if the first pane breaks, the transparent, electrically conductive coating is damaged.
- the transparent, electrically conductive coating is preferably directly on the inside
- Thin film stack Particularly suitable methods are sputtering ((magnetron) sputtering), chemical vapor deposition (CVD) and / or thermal evaporation. This is particularly advantageous in order to enable reliable detection of a fracture of the first disk.
- the inductive sensor contains at least one measuring coil of a plurality of Conductor loops. In an advantageous embodiment of the invention, the inductive sensor contains exactly one measuring coil.
- the (especially accurate one) measuring coil is preferably arranged around a ferrite core.
- the measuring coil is galvanically separated from the transparent, electrically conductive coating.
- the distance d between an active surface of the inductive sensor and the transparent, electrically conductive coating is from 0.1 mm to 20 mm, preferably from 0.2 mm to 10 mm and in particular 0.5 mm up to 5 mm.
- the first disc is made of toughened glass. In an advantageous embodiment of the first disc, it is biased in such a way that, when the first disc breaks, the fragments are smaller than a detection range of the inductive one
- the fragments are smaller, for example because they have a smaller area than the detection area or a smaller maximum diameter than the detection area, it is ensured that at least one break line lies in the detection area of the sensor, which enables a reliable detection of a fracture of the first pane.
- the sensor unit is arranged on the inside of the first disk, ie on the side which is defined by the inside surface (II) of the first disk. This is particularly advantageous in order to protect the sensor unit from damage and tampering attempts from the attack side, ie from the side of the first disc, which is defined by the outside surface (I).
- the inductive sensor works, for example, according to the principle of a resonant circuit generated by an oscillator with an electromagnetic (alternating) field.
- the electromagnetic alternating field emerges from the active surface of the inductive sensor.
- the active area is usually one of the end faces of the measuring coil.
- transparent electrically conductive coating eddy currents are induced, which withdraw energy from the oscillator.
- a demodulator can be at the output of the oscillator, a change the voltage level and thus a change in the total inductance of the arrangement can be measured.
- a downstream comparator the change in the voltage level can be registered and fed via a power amplifier for further signal processing.
- the sensor unit preferably contains sensor electronics with at least the following components: an oscillator which applies an electrical alternating voltage to the measuring coil; a demodulator which outputs from the measured AC signal a proportional thereto Indukt foundedsmesssignal; a comparator which compares the inductance measurement signal with a comparison or threshold value and an output stage which optionally outputs an output signal adapted to the usual signal voltage level.
- the sensor unit has a transmitting unit, preferably a radio transmitting unit with a radio signal whose frequency is in the range from 100 kHz to 100 GHz.
- the radio transmitter unit is particularly preferably a Bluetooth transmitter or a WLAN transmitter.
- the transmitting unit may also be an infrared transmitter.
- the transmitting unit is used for communication with a receiver and in particular for emitting an alarm signal when the sensor unit detects a breakage of the disc.
- the integration of a transmitting unit has the particular advantage that the sensor unit requires no external leads for passing the alarm signal and thereby a very simple, inexpensive and location-independent installation is possible. Furthermore, eliminates a possibility of manipulation of the sensor unit, whereby the security is increased.
- the receiver communicating with the transmission unit is arranged on the same side of the first disk as the transmission unit and the sensor, namely on the inside of the first disk. This is in case of using the Alarm disk arrangement for the protection of an interior against theft or
- the receiver can be arranged on any side of the first disk, provided the first disk with the transparent, electrically conductive coating or its surroundings for the signal of the transmitter is sufficiently permeable.
- the sensor unit contains a power supply, preferably a battery, an accumulator, a supercapacitor, a thermoelectric generator and / or a solar cell.
- the sensor unit advantageously contains no supply lines to an external power supply, but is energy self-sufficient.
- the power supply can be done or supplemented by continuous or discontinuous charging via, for example, an inductive charging device. This has the particular advantage that the sensor unit requires no external leads and thus a very simple, inexpensive and location-independent installation is possible. Furthermore, eliminates a possibility of manipulation of the sensor unit, whereby the security is increased. This is particularly advantageous for the use or retrofitting of the sensor unit in an insulating glass unit, which is usually completed to the outside.
- the alarm disk arrangement according to the invention can be used as a single pane or be part of a multi-pane glazing, for example, part of insulating glazing, double-glazing, triple-glazing, fire-resistant glazing or safety glazing with composite panes.
- the first disk is connected to at least one other spacer via at least one spacer, preferably a spacer which completely surrounds the edge of the disk.
- the spacer is located between the first disc and the other disc and is preferably fixed by a bond between spacers and discs.
- the spacer preferably comprises
- Polymeric base bodies preferably contain polyethylene (PE), polycarbonates (PC), polypropylene (PP), polystyrene, polybutadiene, polynitriles, polyesters, polyurethanes, polymethylmethacrylates, polyacrylates, polyamides, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), particularly preferably acrylonitrile Butadiene-styrene (ABS), acrylic ester-styrene-acrylonitrile (ASA), acrylonitrile-butadiene-styrene - polycarbonate (ABS / PC), styrene-acrylonitrile (SAN), PET / PC, PBT / PC and / or copolymers or blends thereof , Polymeric base bodies may optionally also contain other constituents, such as glass fibers.
- the polymeric materials used are usually gas-permeable, so that if this permeability is not desired further
- Metallic bodies are preferably made of aluminum or stainless steel and preferably have no gas permeability.
- the walls of the body are gas-permeable in an advantageous embodiment. Areas of the body in which such a permeability is not desired, for example, be sealed with a gas-tight insulation layer. Particularly polymeric base bodies are used in combination with such a gas-tight insulation layer.
- the main body preferably has a hollow chamber which contains a desiccant, preferably silica gel, CaCl 2 , Na 2 SO 4 , activated carbon, silicates, bentonites, zeolites and / or mixtures thereof, particularly preferably molecular sieves.
- a desiccant preferably silica gel, CaCl 2 , Na 2 SO 4 , activated carbon, silicates, bentonites, zeolites and / or mixtures thereof, particularly preferably molecular sieves.
- the outer space between the first disc, further disc and spacer is preferably sealed by at least one sealant to the disc outer space.
- the sealant preferably contains organic polysulfides, Silicones, RTV (room temperature curing) silicone rubber, HTV (high temperature curing) silicone rubber, peroxide-crosslinking silicone rubber and / or addition-crosslinked silicone rubber, polyurethanes, butyl rubber and / or polyacrylates.
- additives for increasing the aging resistance for example UV stabilizers, may also be present.
- the first disk is connected via a spacer to a second disk and forms an insulating glass pane with double glazing.
- the first disc is connected via its inner surface (II) via the spacer with the second disc.
- the sensor unit is arranged in a gap between the first disc and the second disc.
- the measuring coil is advantageously not arranged exactly in the middle between the disks, but closer to the first disk to be monitored, which has the transparent, electrically conductive coating. It is understood that in this arrangement, both discs a transparent, electrically conductive
- Coating may be provided by a common measuring coil
- the first disk or the second disk can be connected via a further spacer to another third disk and thus form an insulating glass pane with triple glazing.
- the first pane consists of flat glass, float glass, soda-lime glass, quartz glass, or borosilicate glass.
- the first pane is prestressed, preferably in accordance with DIN 12150-1: Glass in construction - thermally toughened soda lime silicate safety glass - Part 1: Definition and description, particularly preferably with a surface compressive stress of more than 100 N / mm 2 and in particular of 100 N / mm 2 to 150 N / mm 2 . Due to the bias, the first disc shatters in case of damage preferably in
- blunt-edged fragments with sizes of less than 1 cm 2 .
- the second, third or further pane preferably contains glass, particularly preferably flat glass, float glass, quartz glass, borosilicate glass, soda-lime glass, or clear
- Plastics preferably rigid clear plastics, in particular polyethylene, polypropylene, polycarbonate, polymethyl methacrylate, polystyrene, polyamide, polyester, polyvinyl chloride and / or mixtures thereof.
- Suitable glasses are known, for example, from EP 0 847 965 B1.
- the second, third or further disc may consist in particular of protruding materials.
- the thickness of the first, second, third or further disc can vary widely and so perfectly adapted to the requirements of the case. It is preferred to use disks with the standard thicknesses of 1.0 mm to 50 mm and preferably of 3 mm to 16 mm. The size of the disc can vary widely and depends on the size of the use according to the invention.
- the first disk has dielectric properties and a relative permittivity of 6 to 8 and in particular of about 7.
- the discs may have any three-dimensional shape.
- the three-dimensional shape has no shadow zones, so that it can be coated, for example, by sputtering.
- the disks are planar or slightly or strongly bent in one direction or in several directions of the space.
- the discs can be colorless or colored.
- the first pane is connected over its outside surface (I) and at least one intermediate layer, preferably a thermoplastic intermediate layer, to a composite pane with a second pane.
- the second disc can turn over another intermediate layer surface with another third disc be connected.
- the second and / or the third disc preferably contains a plastic.
- the second and / or the third disc may in particular consist of a plastic.
- Such composite discs are particularly breakthrough stable against external intrusion, so that it is possible to achieve high security classes.
- the discs of the composite disc are connected to each other by at least one intermediate layer.
- the intermediate layer preferably contains a thermoplastic such as polyvinyl butyral (PVB), ethylene vinyl acetate (EVA), polyurethane (PU), polyethylene terephthalate (PET) or multiple layers thereof, preferably with thicknesses of 0.3 mm to 0.9 mm.
- a thermoplastic such as polyvinyl butyral (PVB), ethylene vinyl acetate (EVA), polyurethane (PU), polyethylene terephthalate (PET) or multiple layers thereof, preferably with thicknesses of 0.3 mm to 0.9 mm.
- the transparent, electrically conductive coating is arranged at least 70%, preferably 80% to 100% and particularly preferably 98% to 100% of the viewing surface of the first pane.
- the see-through area is the area of the first pane, where the view is not prevented by the frame, spacers or other attachments.
- the transparent, electrically conductive coating is arranged at least 50%, preferably at least 70%, particularly preferably 80% to 100% and in particular 95% to 100% of the area of the inside surface of the first pane.
- the transparent, electrically conductive coating according to the invention is permeable to electromagnetic radiation, preferably electromagnetic radiation of a wavelength of 300 to 1,300 nm, in particular for visible light of 390 nm to 780 nm.
- Period means that the total transmission of the disk is in particular for visible light is preferably> 70% and in particular> 75% permeable
- a lower transmission may be desired, for which "transmissive” may also mean 10% to 70% light transmission.
- Such applications are, for example, glazing for the protection of objects that should not be exposed to large amounts of light, for example paintings or textiles.
- the transparent, electrically conductive coating is preferably a functional coating, particularly preferably a functional coating with sunscreen Effect.
- a coating with sun protection effect has reflective
- One skilled in the art typically contain at least one metal, in particular silver or a silver-containing alloy.
- Coating may comprise a sequence of several individual layers, in particular at least one metallic layer and dielectric layers containing, for example, at least one metal oxide.
- the metal oxide preferably contains zinc oxide, tin oxide, indium oxide, titanium oxide, silicon oxide, aluminum oxide or the like and combinations of one or more thereof.
- the dielectric material may also include silicon nitride, silicon carbide or aluminum nitride.
- This layer construction is generally obtained by a series of deposition processes performed by a vacuum process such as magnetic field assisted sputtering.
- a vacuum process such as magnetic field assisted sputtering.
- metal layers which in particular contain titanium or niobium.
- the lower metal layer serves as an adhesion and crystallization layer.
- the upper metal layer serves as a protective and getter layer to prevent a change of the silver during the further process steps.
- Particularly suitable transparent, electrically conductive coatings comprise at least one metal, preferably silver, nickel, chromium, niobium, tin, titanium, copper, palladium, zinc, gold, cadmium, aluminum, silicon, tungsten or alloys thereof, and / or at least one metal oxide layer , preferably tin-doped
- ITO Indium oxide
- AZO aluminum-doped zinc oxide
- FTO fluorine-doped tin oxide
- ATO antimony-doped tin oxide
- Sn0 2 Sb
- electrically conductive polymers preferably poly (3,4-ethylenedioxythiophene), polystyrene sulfonate, poly (4,4-dioctylcylopentadithiophene), 2,3-dichloro-5,6-dicyano-1, 4-benzoquinone, mixtures and / or
- the thickness of the transparent, electrically conductive coating can vary widely and be adapted to the requirements of the individual case. It is essential that the thickness of the transparent, electrically conductive coating may not be so high that it is suitable for electromagnetic radiation, preferably electromagnetic Radiation of a wavelength of 300 nm to 1 .300 nm and in particular visible light of 390 nm to 780 nm, impermeable.
- the transparent, electrically conductive coating preferably has a layer thickness of 10 nm to 5 ⁇ m and more preferably of 30 nm to 1 ⁇ m.
- the sheet resistance of the transparent, electrically conductive coating is preferably from 0.35 ohms / square to 200 ohms / square, preferably 0.5 ohms / square to 200 ohms / square, most preferably from 0.6 ohms / square to
- the transparent, electrically conductive coating may in principle have even lower surface resistances than 0.35 ohms / square, especially if only a small amount of light transmission is required during their use.
- the transparent, electrically conductive coating preferably has good infrared-reflecting properties and / or particularly low emissivities (Low-E).
- the inductive sensor is designed as a single component, i. formed in the form of a structural unit.
- the inductive sensor may be surrounded by a same (e.g., opaque) housing, wherein the sensing coil may be disposed within the housing.
- a further aspect of the invention comprises a method for operating an alarm disk arrangement according to the invention, wherein the measuring signal is measured continuously or periodically, preferably with a period of 0.2 s to 100 s, and output as an output signal from the sensor unit.
- the output of the output signal can be continuous or periodic, preferably with a
- a further aspect of the invention comprises a use of an alarm pane arrangement according to the invention as glazing of a showcase, a showcase, preferably for protecting valuable goods such as paintings, textiles, jewelery, for example in a museum or a jeweler, or as architectural glazing, insulating glazing, double glazing Insulating glazing, triple-glazing, fire-resistant glazing, safety glazing or as glazing in a vehicle on land, too Water or in the air, such as a motor vehicle, a bus, a train or an airplane.
- Another aspect of the invention comprises a use of an inventive sensor unit with inductive sensor for retrofitting a glazing with a first discs of tempered glass and transparent, electrically conductive coating on the inside surface (II) to an alarm disc assembly.
- Figure 1 A is a schematic representation of an inventive
- FIG. 1 B shows a cross-sectional view along section line A-A 'from FIG. 1A
- FIG. 2 shows a schematic illustration of a sensor unit according to the invention
- FIG. 3A shows an enlarged view of section Z of the transparent, electrically conductive coating according to the invention for an undamaged first pane
- 3B is an enlarged view of the detail Z of the inventive transparent, electrically conductive coating in a broken first disc
- Figure 4A is a schematic representation of an alternative invention
- FIG. 4B shows a cross-sectional view along the section line A-A 'from FIG. 4A
- Figure 1 A shows a schematic representation of an inventive
- Alarm disk assembly 10 in a plan view of the outside surface I.
- Figure 1 B shows a cross-sectional view along the section line A-A 'of Figure 1 A.
- the alarm disk assembly 10 separates an interior space from an exterior one
- the alarm disk assembly 10 is suitable for example to protect valuables in the interior, for example in a showcase, in a museum or at a jeweler from external access.
- the alarm disk arrangement 10 comprises a first pane 1 on whose inside surface II a transparent, electrically conductive coating 3 is arranged.
- the transparent, electrically conductive coating 3 is arranged in this example on the entire inside surface II of the first disc 1, minus a marginal stripping with a width of, for example, 10 mm from the disc edge of the first disc 1.
- the edge deletion serves to protect against corrosion by penetrating moisture over the edge of the pane.
- the transparent, electrically conductive coating 3 serves, for example, as an infrared-reflecting layer. This means that the amount of heat radiation from incoming sunlight is reflected to a large extent. When using the first pane 1 in an architectural glazing, this provides for a reduced
- the transparent, electrically conductive coating 3 is known, for example, from EP 0 847 965 B1 and contains two silver layers, each of which is embedded between a plurality of metal and metal oxide layers.
- the transparent electrically conductive coating 3 has a sheet resistance of about 4 ohms / square.
- the first pane 1 is, for example, a prestressed soda-lime glass pane with a width of 1 m, a length of 1.5 m and a thickness of 4 mm.
- the first pane 1 is prestressed according to DIN 12150-1 with a surface compressive stress of, for example, 120 N / mm 2 . Due to the bias, the first disc shatters when damaged in blunt-edged fragments with sizes of less than 1 cm 2 .
- a sensor unit 20 is arranged on the inside of the first pane 1.
- Inner side here means the region which faces the inside surface II, on which the transparent, electrically conductive coating 3 is arranged.
- the sensor unit 20 has an inductive sensor 21, which is inductively coupled to the electrically conductive coating 3. It is understood that the inductive sensor 21 does not necessarily have to be installed in the same housing as the remaining sensor unit 20.
- transparent, electrically conductive coating 3 is for example 0.5 mm.
- the inductive sensor 21 and the transparent, electrically conductive coating 3 are in particular galvanically separated from one another.
- the sensor unit measures over the inductive sensor 21, the inductance of this arrangement and compares the measured value with a comparison value.
- the comparison value is determined in the undamaged first disc 1 with undamaged transparent, electrically conductive coating 3.
- the sensor unit 20 determines the deviation, ie the difference, of the measurement signal of the inductive sensor 21 with the comparison value and gives
- Deviations greater than a defined tolerance are an alarm signal off.
- the alarm signal is for example a voltage or a voltage pulse with a certain level and / or pulse duration, which is different from another neutral one
- the alarm signal is forwarded, for example via a transmitting unit to a receiver to be converted there into an acoustic signal or to make an emergency call.
- FIG. 2 shows a schematic representation of a sensor unit 20 according to the invention.
- the sensor unit 20 has an inductive sensor 21.
- the inductive sensor 21 includes a measuring coil 21 .1 with a ferrite core 21 .2 and an active surface 21 .3 in which the electromagnetic field for measuring the inductance out of the inductive sensor out.
- the measuring coil 21 .1 is connected via leads to an electronic system.
- the distance d is the distance of the active surface 21 .3 of the inductive sensor 21 from the transparent, electrically conductive coating 3.
- the sensor unit 20 has, for example, several stages of construction: the measuring coil 21 .1 of the inductive sensor 21 is connected to an oscillator 20.1.
- the oscillator 20.1 is connected via a demodulator 20.2 to a comparator 20.3.
- Comparator 20.3 compares the measurement signal with a comparison value and outputs an alarm signal via the output stage 20.4 at the output 22 if necessary.
- FIG. 3A shows an enlarged illustration of the detail Z of the transparent, electrically conductive coating 3 according to the invention in the case of an undamaged first pane 1.
- the transparent, electrically conductive coating 3 is undamaged, in particular in the detection region 25 of the inductive sensor 21.
- FIG. 3B shows an enlarged illustration of the detail Z of the transparent, electrically conductive coating 3 according to the invention in the case of a broken first pane 1.
- Penetrating the first disc 1 this is cracked because of their bias in small fragments. This leads to an interruption of the transparent, electrically conductive coating 3 by breaking lines 30.
- the fragments are each smaller than the detection region 25, so that at least one breaking line 30 is arranged in the detection region 25.
- breaking lines 30 By interrupting the transparent, electrically conductive coating 3 by breaking lines 30, the measurement signal of the inductive sensor 21 changes and an alarm signal can be output.
- FIG. 4A shows a schematic representation of an alternative alarm disk arrangement 10 'according to the invention in a plan view
- FIG. 4B shows a cross-sectional view along the section line A-A' from FIG. 4A
- the alarm disk assembly 10 ' is, for example, an insulating glass panel containing the alarm disk assembly 10 of Figures 1 A and 1 B.
- the first disc 1 is connected to a second disc 6 via a circumferential spacer 2.
- the sensor unit 20 with inductive sensor 21 is here in the intermediate space through the first
- the sensor unit 20 is glued to the lower portion of the spacer 2 on this example, and thus securely fixed against slipping.
- the sensor unit 20 includes, for example, an accumulator and a solar cell that charges the accumulator.
- the sensor unit 20 contains, for example, a transmitting unit which sends an alarm signal via a Bluetooth connection to a receiver arranged outside the alarm disk arrangement 10 '(not shown here).
- the sensor unit 20 is energy self-sufficient and requires no leads to the outside - neither for the power supply, nor for forwarding an alarm signal.
- the sensor unit 20 can be easily retrofitted, for example, in an existing insulating glass unit.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Burglar Alarm Systems (AREA)
- Joining Of Glass To Other Materials (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15195334 | 2015-11-19 | ||
| PCT/EP2016/078215 WO2017085303A1 (de) | 2015-11-19 | 2016-11-19 | Alarmscheibenanordnung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3378045A1 true EP3378045A1 (de) | 2018-09-26 |
Family
ID=54695518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16809657.6A Withdrawn EP3378045A1 (de) | 2015-11-19 | 2016-11-19 | Alarmscheibenanordnung |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US10553087B2 (de) |
| EP (1) | EP3378045A1 (de) |
| JP (1) | JP6568308B2 (de) |
| KR (1) | KR101972721B1 (de) |
| CN (1) | CN108352102B (de) |
| BR (1) | BR112018000374A2 (de) |
| CA (1) | CA2994237A1 (de) |
| MX (1) | MX2018006124A (de) |
| RU (1) | RU2699827C1 (de) |
| WO (1) | WO2017085303A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112018072278A2 (pt) | 2016-08-02 | 2019-02-12 | Saint-Gobain Glass France | montagem de painel de alarme |
| BR112018072275A2 (pt) | 2016-08-02 | 2019-02-12 | Saint-Gobain Glass France | montagem de painel de alarme |
| EP4103807A1 (de) | 2020-02-14 | 2022-12-21 | Saint-Gobain Glass France | Isolierglasscheibenanordnung mit integriertem bauelement |
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-
2016
- 2016-11-19 CN CN201680067251.9A patent/CN108352102B/zh not_active Expired - Fee Related
- 2016-11-19 CA CA2994237A patent/CA2994237A1/en not_active Abandoned
- 2016-11-19 WO PCT/EP2016/078215 patent/WO2017085303A1/de not_active Ceased
- 2016-11-19 RU RU2018121501A patent/RU2699827C1/ru not_active IP Right Cessation
- 2016-11-19 US US15/741,261 patent/US10553087B2/en not_active Expired - Fee Related
- 2016-11-19 KR KR1020187004593A patent/KR101972721B1/ko not_active Expired - Fee Related
- 2016-11-19 EP EP16809657.6A patent/EP3378045A1/de not_active Withdrawn
- 2016-11-19 BR BR112018000374-3A patent/BR112018000374A2/pt not_active Application Discontinuation
- 2016-11-19 MX MX2018006124A patent/MX2018006124A/es unknown
- 2016-11-19 JP JP2018512947A patent/JP6568308B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20180030875A (ko) | 2018-03-26 |
| JP6568308B2 (ja) | 2019-08-28 |
| BR112018000374A2 (pt) | 2018-09-11 |
| CN108352102A (zh) | 2018-07-31 |
| CN108352102B (zh) | 2020-02-14 |
| WO2017085303A1 (de) | 2017-05-26 |
| RU2699827C1 (ru) | 2019-09-11 |
| CA2994237A1 (en) | 2017-05-26 |
| US20180350208A1 (en) | 2018-12-06 |
| KR101972721B1 (ko) | 2019-08-16 |
| US10553087B2 (en) | 2020-02-04 |
| MX2018006124A (es) | 2018-08-01 |
| JP2018535466A (ja) | 2018-11-29 |
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