DE102010051896A1 - Producing composite disc in laminator from different layers with metallic intermediate layer visible from outside by transparent layer, comprises bonding together the layers under pressure and heat supply with melting of melt layer - Google Patents

Producing composite disc in laminator from different layers with metallic intermediate layer visible from outside by transparent layer, comprises bonding together the layers under pressure and heat supply with melting of melt layer Download PDF

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DE102010051896A1
DE102010051896A1 DE102010051896A DE102010051896A DE102010051896A1 DE 102010051896 A1 DE102010051896 A1 DE 102010051896A1 DE 102010051896 A DE102010051896 A DE 102010051896A DE 102010051896 A DE102010051896 A DE 102010051896A DE 102010051896 A1 DE102010051896 A1 DE 102010051896A1
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laminator
pyrometer
intermediate layer
layer
temperature
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German (de)
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wird später genannt werden Erfinder
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Wemhoener Surface & Co KG GmbH
Wemhoner Surface & Co KG GmbH
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Wemhoener Surface & Co KG GmbH
Wemhoner Surface & Co KG GmbH
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    • 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
    • B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
    • 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
    • B32B17/10165—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
    • B32B17/1022—Metallic coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10788—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing ethylene vinylacetate
    • 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
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
    • B32B17/10816—Making laminated safety glass or glazing; Apparatus therefor by pressing
    • B32B17/10871—Making laminated safety glass or glazing; Apparatus therefor by pressing in combination with particular heat treatment
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • 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
    • B32B2311/00—Metals, their alloys or their compounds
    • 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
    • B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
    • B32B2315/08—Glass
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
    • 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

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

Producing a composite disc in a laminator (2), preferably a solar module from different transparent and opaque layers with a metallic intermediate layer (3) visible from outside by at least one transparent layer, comprises bonding together the layers under pressure and heat supply with melting of a melt layer (4). A pyrometer (1) is used for monitoring the process temperature in the laminator. The pyrometer detects the temperature of the intermediate layer of the disc at a measuring spot. The melt layer adjacent to the intermediate layer is removed from a melt film or a hot melt adhesive. Producing a composite disc in a laminator (2), preferably a solar module from different transparent and opaque layers with a metallic intermediate layer (3) visible from outside by at least one upstream transparent layer, comprises bonding together the layers under pressure and heat supply with melting of a melt layer (4). A pyrometer (1) is used for monitoring the process temperature in the laminator. The pyrometer detects the temperature of the metallic intermediate layer of the composite disc at a measuring spot. The melt layer adjacent to the intermediate layer is removed from a melt film or a hot melt adhesive at a temperature, which is to be monitored. An independent claim is also included for a device for producing the composite disc with the metallic intermediate layer in the laminator, preferably the solar module, comprising the laminator with an upper heating plate and a lower heating plate (9), an intermediate retained membrane, and an evacuable working space generated between the membrane and one of the heating plates, where (a) the lower heating plate forming a part of the working space has a recess, (b) the pyrometer is associated to this heating plate, (c) the pyrometer is aligned through the recess within the measuring spot on the metallic intermediate layer of the composite disc, and (d) the pyrometer is connected to a data processing system, via which a temperature control of the laminator and/or a process time control is carried out.

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Herstellung einer Verbundscheibe mit einer metallischen Zwischenschicht in einem Laminator, insbesondere eines Solarmoduls, gemäß den Oberbegriffen der Ansprüche 1 und 5.The invention relates to a method and a device for producing a composite pane with a metallic intermediate layer in a laminator, in particular a solar module, according to the preambles of claims 1 and 5.

Es ist eine Vorrichtung und ein Verfahren zur Herstellung von plattenförmigem Verbundmaterial bekannt, DE 100 48 974 C2 , deren Vorrichtung eine obere und eine untere Heizplatte und eine dazwischen gehaltene Membrane sowie einen zwischen der Membran und der unteren Heizplatte erzeugten evakuierbaren Arbeitsraum aufweist, um auf der unteren Heizplatte aufliegendes plattenförmiges Material, insbesondere Glasscheiben, über eine dazwischen angeordnete Schmelzfolie zu einer Verbundglasscheibe zusammenzufügen, wobei diese Werkstücke bis auf die Schmelztemperatur der Schmelzfolie erwärmt und mittels Unterdruck im Arbeitsraum zwischen Membrane und unterer Heizplatte zusammenlaminiert werden.It is known an apparatus and a method for the production of plate-like composite material, DE 100 48 974 C2 the device of which comprises an upper and a lower heating plate and a membrane held therebetween, and an evacuable working space created between the membrane and the lower heating plate for joining plate-shaped material lying on the lower heating plate, in particular glass panes, to form a laminated glass pane via a molten film interposed therebetween, wherein these workpieces are heated to the melting temperature of the melt film and laminated together by means of negative pressure in the working space between the membrane and the lower heating plate.

Problematisch ist bei solchen Verfahren stets die Einhaltung der korrekten Temperaturverläufe, da die Schmelzfolie zwischen den Scheiben ausreichend warm werden muss, um die gewünschte Vernetzung zwischen den beteiligten Glasscheiben zu erreichen, aber nicht zu heiß werden darf, um ein Ausgasen und damit eine Blasenbildung zwischen den Scheiben zu verhindern. Bei bekannten Verfahren erfolgt die Temperatursteuerung über die Kontrolle bereits gefertigter Module, was zumindest beim Prozessbeginn zu einem hohen Ausschuss an mangelhaft produzierten Modulen führen kann.The problem with such methods is always the maintenance of the correct temperature characteristics, since the melt film between the discs must be sufficiently warm to achieve the desired crosslinking between the panes involved, but not too hot, to outgassing and thus blistering between the Prevent slices. In known methods, the temperature control is done by controlling already manufactured modules, which can lead to a high rejection of poorly produced modules at least at the beginning of the process.

Aufgabe der Erfindung ist es, ein Verfahren und eine Vorrichtung zur Verfügung zu stellen, die eine optimale Temperaturüberwachung gewährleisten und die eine Temperaturregelung bereits während des Herstellungsprozesses einzelner Module oder eine exakte Anpassung der Zykluszeit ermöglichen.The object of the invention is to provide a method and a device which ensure optimum temperature monitoring and which enable temperature regulation during the production process of individual modules or exact adaptation of the cycle time.

Die Lösung dieser Aufgabe ergibt sich in Verbindung mit den Oberbegriffsmerkmalen der Ansprüche 1 und 5 erfindungsgemäß im Zusammenhang mit den technischen Merkmalen der kennzeichnenden Teile dieser genannten Ansprüche.The solution to this problem arises in conjunction with the preamble features of claims 1 and 5 according to the invention in connection with the technical features of the characterizing parts of these claims.

Die erfindungsgemäße Vorrichtung hebt sich dadurch gegen den bekannten Stand der Technik ab, dass in der einen Teil des Arbeitsraumes bildenden Heizplatte eine Ausnehmung vorgesehen ist und dass dieser Heizplatte ein Pyrometer zugeordnet ist, welches durch die Ausnehmungen hindurch auf einen Messfleck auf die metallische Zwischenschicht der Verbundscheibe ausgerichtet ist, wobei das Pyrometer mit einer Datenverarbeitungsanlage verbunden ist, über die eine Temperaturregelung des Laminators und/oder eine temperaturabhängig Beeinflussung der Prozessdauer erfolgen kann.The device according to the invention is distinguished from the prior art in that a recess is provided in the part of the working space forming heating plate and that this heating plate is associated with a pyrometer, which through the recesses on a measuring spot on the metallic intermediate layer of the composite pane is aligned, wherein the pyrometer is connected to a data processing system, via which a temperature control of the laminator and / or a temperature-dependent influencing the process duration can take place.

Diese Vorrichtung ermöglicht es deswegen besonders vorteilhaft bei der Herstellung von Solarmodulen die Prozesstemperatur bereits während des Laminiervorganges zu messen und zu korrigieren und/oder die Prozessdauer entsprechend anzupassen, wodurch sich die Herstellungsqualität wesentlich verbessert und die Erzeugung von Ausschuss nahezu vollständig vermieden werden kann. Hierzu wird im wesentlichen als Grundlage genutzt, dass solche Solarmodule auf einer Glasschicht mit einer nur wenige um dicken metallischen Zwischenschicht, etwa aus Silizium, bedampft sind, welche bei Erwärmung eine charakteristische Wärmestrahlung emittieren, die von dem Pyrometer detektiert werden kann, woraus sich Rückschlüsse auf die Temperatur nicht nur dieser metallischen Zwischenschicht schlussfolgern lassen. Wichtig hierbei ist natürlich, dass alle beteiligten Schichten für die Wellenlänge der emittierten Strahlung durchlässig sind, was für die Glas- und die Schmelzfolien- oder Schmelzkleberschichten der Fall ist.This device therefore makes it particularly advantageous in the production of solar modules to measure and correct the process temperature during the lamination process and / or adjust the process duration accordingly, which significantly improves the manufacturing quality and the generation of rejects can be almost completely avoided. This is essentially based on the fact that such solar modules are vaporized on a glass layer with only a few um thick metallic intermediate layer, such as silicon, which emit a characteristic heat radiation when heated, which can be detected by the pyrometer, which leads to conclusions the temperature not only of this metallic intermediate layer can be concluded. Of course, it is important here that all the layers involved are permeable to the wavelength of the emitted radiation, which is the case for the glass and the enamel or hot melt adhesive layers.

Bei einem Schichtaufbau einer solchen Verbundscheibe aus einer mit einer metallischen Zwischenschicht bedampften Glasscheibe, einer an der Zwischenschicht anliegenden Schmelzfolie und einer darauf folgenden zweiten Glasscheibe lässt sich aufgrund der guten Wärmeleitung in einer metallischen Zwischenschicht darauf schließen, dass die Schmelzschicht etwa die gleiche Temperatur wie die metallische Zwischenschicht aufweist, so dass dieser vom Pyrometer gemessene Wert als Grundlage für die gesamte Prozesssteuerung herangezogen werden kann. Hierdurch werden demnach korrekte Temperaturmessungen bei in dem Laminator befindlichen Werkstücken möglich, so dass bereits während der Herstellung eines Solarmodules die Temperatur der Heizplatten angepasst werden kann.In a layer structure of such a composite disc of a glass coated with a metallic intermediate layer glass, an adjacent to the intermediate layer of molten film and a subsequent second glass can be concluded that the melt layer about the same temperature as the metallic due to the good heat conduction in a metallic intermediate layer Intermediate layer, so that this value measured by the pyrometer can be used as a basis for the entire process control. In this way, therefore, correct temperature measurements are possible in workpieces located in the laminator, so that the temperature of the heating plates can be adjusted during the production of a solar module.

Weitere vorteilhafte Ausgestaltungen des Gegenstandes der erfinderischen Vorrichtung ergeben sich mit und in Kombination aus den nachfolgenden Unteransprüchen.Further advantageous embodiments of the subject matter of the inventive device will be apparent from and in combination with the following subclaims.

Entsprechend einer bevorzugten Ausführungsform ist in der Ausnehmung in der unteren Heizplatte zwischen dem Arbeitsraum und dem Pyrometer ein Vakuum-Schauglas angeordnet, so dass das Pyrometer auch außerhalb der Heizplatten platziert werden kann, ohne der Wärmestrahlung der Heizplatten ausgesetzt zu werden und ohne dass es innerhalb des evakuierbaren Arbeitsraumes angeordnet werden müsste. Diese Konstruktion ermöglicht eine wahlfreie Anordnung des Pyrometers, ohne dabei wesentlichen Einfluss auf die Gestaltung der Vorrichtung zu nehmen.According to a preferred embodiment, in the recess in the lower heating plate between the working space and the pyrometer, a vacuum sight glass is arranged so that the pyrometer can be placed outside the heating plates without being exposed to the heat radiation of the heating plates and without being within the evacuated working space would have to be arranged. This design allows for random placement of the pyrometer without significantly affecting the design of the device.

Vorteilhafterweise ist die Ausnehmung in der Heizplatte mit einer störgrößenminimierenden Abschirmung ausgekleidet, um vagabundierende Wärmestrahlungen in den Strahlengang des Pyrometers weitgehend auszuschließen, welche das Messergebnis verfälschen könnten. Advantageously, the recess in the heating plate is lined with a Störgrößenminimierenden shield to largely rule out stray heat radiation in the beam path of the pyrometer, which could distort the measurement result.

Als weitere vorteilhafte Ausgestaltung der Erfindung ist hervorzuheben, dass alle sich im Arbeitsraum befindlichen Gegenstände, die zwischen dem Werkstück und der Heizplatte angeordnet und nicht für die Wärmestrahlung transparent sind, mit einer Durchbrechung versehen sind, um den Durchtritt der Wärmestrahlung nicht zu behindern. Der Messfleck des Pyrometers umfasst einen Durchmesser von nur etwa 10 mm, so dass der Wärmeübergang aus den benachbarten Schichten ausreichen sollte, auch in diesem Bereich eine ausreichend gute Vernetzung zwischen den beteiligten Scheiben zu erzeugen.As a further advantageous embodiment of the invention should be emphasized that all objects located in the working space, which are arranged between the workpiece and the heating plate and are not transparent to the heat radiation, are provided with an opening in order not to hinder the passage of heat radiation. The measuring spot of the pyrometer has a diameter of only about 10 mm, so that the heat transfer from the adjacent layers should be sufficient to produce a sufficiently good cross-linking between the panes involved in this area.

Bevorzugterweise ist das Pyrometer nicht nur außerhalb der Heizplatte, sondern auch außerhalb der sich daran anschließenden Isolierung und auch der Druckplatte des Laminators angeordnet, die jeweils mit korrespondierenden Ausnehmungen für den Durchtritt der Wärmestrahlung versehen sind, wodurch sich der Einfluss des Messverfahrens auf die technische Ausführung des Laminators weiter wesentlich reduziert.Preferably, the pyrometer is arranged not only outside the heating plate, but also outside of the adjoining insulation and the pressure plate of the laminator, which are each provided with corresponding recesses for the passage of heat radiation, whereby the influence of the measuring method on the technical design of the Laminators further reduced significantly.

Das ausgewählte Pyrometer detektiert bevorzugt eine Wellenlänge von 2,3 μm und dies in einem Temperaturbereich von etwa 50°C bis 200°C, wodurch ein ausreichend breites Temperaturband abgedeckt wird, da das Arbeitsverfahren je nach gewählter Schmelzschicht etwa zwischen 140°C und 160°C durchgeführt wird.The selected pyrometer preferably detects a wavelength of 2.3 microns and this in a temperature range of about 50 ° C to 200 ° C, whereby a sufficiently broad temperature band is covered, since the working method depending on the selected melt layer approximately between 140 ° C and 160 ° C is performed.

Das erfinderische Verfahren kennzeichnet sich dadurch, dass zur Überwachung der Prozesstemperatur in dem Laminator ein Pyrometer verwendet wird, welches die Temperatur der metallischen Zwischenschicht, welche auf einer der Verbundscheiben aufgedampft ist, an einem kleinen Messfleck detektiert, wobei aus dieser überwachten Temperatur auf die eigentlich zu überwachende Temperatur der an die Zwischenschicht angrenzenden Schmelzschicht, insbesondere aus einer Schmelzfolie oder einem Schmelzkleber, zurückgeschlossen wird. Das Pyrometer detektiert die Wärmestrahlung der metallischen Zwischenschicht durch die für deren charakteristische Wellenlänge durchlässige Schichten der Verbundscheibe und entsprechende Schaugläser und Durchlässe in dem Laminator und zwar mehrfach pro Minute, so dass der Wert der detektierten Temperatur in Echtzeit während des Herstellungsprozesses einer Verbundscheibe über eine Datenverarbeitungsanlage geregelt oder auch Einfluss auf die Prozessdauer einzelner Prozesszyklen genommen werden kann.The inventive method is characterized in that for monitoring the process temperature in the laminator, a pyrometer is used, which detects the temperature of the metallic intermediate layer, which is vapor-deposited on one of the composite disks at a small measuring spot, from this monitored temperature to the actual monitoring temperature of the adjacent to the intermediate layer melt layer, in particular from a melt film or a hot melt adhesive, is closed. The pyrometer detects the thermal radiation of the metallic intermediate layer through the layers of the composite pane permeable to its characteristic wavelength and corresponding sight glasses and passages in the laminator several times per minute so that the value of the detected temperature is controlled in real time during the production process of a composite pane via a data processing system or influence on the process duration of individual process cycles.

Dieses erfinderische Messverfahren einer aktuellen Prozesstemperatur lässt sich auch für rein mittels Unterdruck in einem Autoklaven durchgeführte Laminiervorgänge von Solarmodulen oder anderen Verbundglasscheiben, ebenso wie unter Hinzufügung kleinster metallischer Messflächen für die Herstellung von herkömmlichen Verbundglasscheiben adaptieren.This inventive measuring method of a current process temperature can also be adapted for laminating processes of solar modules or other laminated glass panes carried out purely by negative pressure in an autoclave, as well as by adding smallest metallic measuring surfaces for the production of conventional laminated glass panes.

Nachfolgend ist ein Ausführungsbeispiel der Erfindung anhand von Zeichnungen näher beschrieben. Es zeigen:An exemplary embodiment of the invention is described in more detail below with reference to drawings. Show it:

1 einen geöffneten Laminator mit einem darin angehoben gelagerten Stapel miteinander zu verbindender Schichten, 1 an open laminator having a stack of layers to be joined together and being attached thereto;

2 den Laminator gemäß 1 in einem geschlossenen Zustand in einer Arbeitsposition, 2 the laminator according to 1 in a closed state in a working position,

3 eine vergrößerte Ausschnittdarstellung im Bereich eines Messfleckes in geschnittener Darstellung, und 3 an enlarged sectional view in the region of a measuring spot in a sectional representation, and

4 eine weiter vergrößerte Skizze der Vorrichtung in geschnittener Teilansicht. 4 a further enlarged sketch of the device in a sectional partial view.

Die Vorrichtung zur Herstellung einer Verbundscheibe 6 aus mindestens zwei Glasschichten 5, von denen eine mit einer metallischen Zwischenschicht 3 versehen ist, sowie aus einer dazwischen angeordneten Schmelzschicht 4, besteht aus einem Laminator 2 mit einer oberen Heizplatte 8 und einer unteren Heizplatte 9, mit jeweiligen Unterdruckrahmen 20 und einer zunächst im geöffneten Zustand des Laminators 2 unter der oberen Heizplatte 8 und dem oberen Unterdruckrahmen 20 gehaltenen Membrane 10, sowie einer in Form einer Bohrung eingebrachten Ausnehmung 12 in der unteren Heizplatte 9, hinter der ein Pyrometer 1 angeordnet ist, welches durch die Ausnehmung 12 hindurch auf einen Messfleck 7 auf die metallische Zwischenschicht 3 der Verbundscheibe 6 ausgerichtet ist.The device for producing a composite pane 6 from at least two glass layers 5 , one of which with a metallic intermediate layer 3 is provided, as well as from an interposed melt layer 4 , consists of a laminator 2 with an upper heating plate 8th and a lower heating plate 9 , with respective vacuum frames 20 and one initially in the open state of the laminator 2 under the upper heating plate 8th and the upper vacuum frame 20 held membrane 10 , As well as a recess introduced in the form of a bore 12 in the lower heating plate 9 , behind a pyrometer 1 is arranged, which through the recess 12 through to a spot 7 on the metallic intermediate layer 3 the composite disc 6 is aligned.

In den Heizplatten 8; 9 sind Heizkanäle 19 angeordnet, um die Heizplatten 8; 9 über eine durch diese Heizkanäle 19 gefördertes Heizmedium auf Temperaturen um 140°C–160°C zu temperieren. Zwischen der oberen und der unteren Druckplatte 18 des Laminators 2 sind des Weiteren Isolierungen 17 vorgesehen, um den Wärmeübergang aus den Heizplatten 8; 9 in die Umgebung zu verhindern. In der Ausnehmung 12 der unteren Heizplatte 9 ist eine Abschirmung 14 angeordnet, um Störgrößen, wie etwa von der Heizplatte 9 emittierte oder reflektierte Strahlung, zu minimieren.In the hot plates 8th ; 9 are heating channels 19 arranged to the hot plates 8th ; 9 over one through these heating channels 19 heated heating medium to temperatures around 140 ° C-160 ° C to temper. Between the upper and lower pressure plate 18 of the laminator 2 are furthermore insulation 17 provided to the heat transfer from the heating plates 8th ; 9 to prevent the environment. In the recess 12 the lower heating plate 9 is a shield 14 arranged to disturbances, such as from the heating plate 9 emitted or reflected radiation to minimize.

In der unteren Heizplatte 9 ist des Weiteren ein Vakuum-Schauglas 13 im Strahlengang des Pyrometers 1 angeordnet, um im Arbeitsraum 11 des Laminators 2 ein Vakuum erzeugen zu können. Zusätzlich zu den in dem Laminator 2 zu einer Verbundscheibe 6 eines Solarmodules zu verbindenden Schichten 3; 4; 5 sind des Weiteren, wie in 1 deutlich erkennbar, eine Filzunterlage 16 auf der unteren Heizplatte 9 angeordnet, um eine möglichst spannungsfreie Verpressung der verschiedenen Schichten 3; 4; 5 zu gewährleisten. Darüber ist das untere Trum eines Transportbandes 15 gelagert, auf dem anschließend die unterste Schicht 5 des herzustellenden Verbundmodules aufliegt. Das obere Trum des Transportbandes 15 verläuft oberhalb der obersten Schicht des Werkstückes, so dass dieses im geschlossenen Zustand des Laminators 2 mit unterhalb der von der oberen Heizplatte 8 abgelösten und mittels Unterdruck in Richtung der unteren Heizplatte 9 angezogenen Membran 10 erzeugten Arbeitsraum 11 eingeschlossen wird, wie dies in 2 gezeigt ist.In the lower heating plate 9 is also a vacuum sight glass 13 in the beam path of the pyrometer 1 arranged to work in the workroom 11 of laminator 2 to create a vacuum. In addition to those in the laminator 2 to a composite disk 6 a solar module to be connected layers 3 ; 4 ; 5 are furthermore, as in 1 clearly recognizable, a felt pad 16 on the lower heating plate 9 arranged to provide as tension-free as possible compression of the various layers 3 ; 4 ; 5 to ensure. Above this is the bottom strand of a conveyor belt 15 stored, then on the bottom layer 5 of the composite module to be produced rests. The upper run of the conveyor belt 15 runs above the uppermost layer of the workpiece, so that this in the closed state of the laminator 2 with below that of the upper heating plate 8th detached and by means of negative pressure in the direction of the lower heating plate 9 attracted membrane 10 generated working space 11 is included, as in 2 is shown.

Während des gesamten Laminiervorganges wird über das Pyrometer 1 die Temperatur der metallischen Zwischenschicht 3 detektiert und davon ausgegangen, dass die zwischen den beiden Glasschichten 5 angeordnete Schmelzschicht 4 aus einer Einbettungsfolie aus PVB (Polyvinylbutyl) oder EVA (Ethylenvinylacetat) dieselbe Temperatur aufweist, die gegebenenfalls während des mehrminütigen Laminiervorganges der geforderten Temperatur angepasst werden kann.Throughout the lamination process is over the pyrometer 1 the temperature of the metallic intermediate layer 3 detected and assumed that the between the two glass layers 5 arranged melt layer 4 from an embedding film of PVB (polyvinylbutyl) or EVA (ethylene vinyl acetate) has the same temperature, which can be optionally adjusted during the multi-minute lamination of the required temperature.

Das mit diesem erfinderischen Verfahren in der erfinderischen Vorrichtung hergestellte Produkt weist so von Beginn an eine hohe Güte auf, wie auch jedes folgende Werkstück, da sich die optimale Prozesstemperatur stets in Echtzeit einregeln lässt.The product produced by means of this inventive method in the inventive apparatus thus has a high quality from the beginning, as does any subsequent workpiece, since the optimum process temperature can always be adjusted in real time.

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • DE 10048974 C2 [0002] DE 10048974 C2 [0002]

Claims (10)

Verfahren zur Herstellung einer Verbundscheibe in einem Laminator, insbesondere eines Solarmodules, aus verschiedenen durchsichtigen und undurchsichtigen Schichten, mit einer von außen durch mindestens eine vorgelagerte durchsichtige Schicht sichtbaren metallischen Zwischenschicht, bei dem die Schichten unter Druck und Wärmezufuhr unter Aufschmelzen einer Schmelzschicht miteinander verbunden werden, dadurch gekennzeichnet, dass zur Überwachung der Prozesstemperatur in dem Laminator (2) ein Pyrometer (1) verwendet wird, welches die Temperatur der metallischen Zwischenschicht (3) der Verbundscheibe (6) an einem Messfleck (7) detektiert, aus der auf die zu überwachende Temperatur einer an die Zwischenschicht (3) angrenzenden Schmelzschicht (4) aus einer Schmelzfolie oder einem Schmelzkleber rückgeschlossen wird.Process for producing a composite pane in a laminator, in particular a solar module, of various transparent and opaque layers, with a metallic intermediate layer visible from outside through at least one upstream transparent layer, in which the layers are bonded together under pressure and heat while melting a melt layer, characterized in that for monitoring the process temperature in the laminator ( 2 ) a pyrometer ( 1 ), which determines the temperature of the metallic intermediate layer ( 3 ) of the composite disc ( 6 ) at a measuring spot ( 7 ) is detected, from the temperature to be monitored one of the intermediate layer ( 3 ) adjacent melt layer ( 4 ) is deduced from a melt film or a hot melt adhesive. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Pyrometer (1) die Wärmestrahlung der metallischen Zwischenschicht (3) durch die für deren Wellenlänge durchlässigen Schichten der Verbundscheibe (6) und entsprechende Schaugläser und Durchlässe im Laminator (2) hindurch detektiert.Method according to claim 1, characterized in that the pyrometer ( 1 ) the thermal radiation of the metallic intermediate layer ( 3 ) through the permeable layers of the composite disc ( 6 ) and corresponding sight glasses and passages in the laminator ( 2 ) detected through. Verfahren nach einem der vorgenannten Ansprüche, dadurch gekennzeichnet, dass das Pyrometer (1) die Temperatur mehrfach pro Minute ermittelt.Method according to one of the preceding claims, characterized in that the pyrometer ( 1 ) determines the temperature several times per minute. Verfahren nach einem der vorgenannten Ansprüche, dadurch gekennzeichnet, dass der Wert der detektierten Temperatur in einer Datenverarbeitungsanlage für eine Echtzeitregelung der Prozesstemperatur des Laminators (2) oder eine Prozesszeitregelung genutzt wird.Method according to one of the preceding claims, characterized in that the value of the detected temperature in a data processing system for real-time regulation of the process temperature of the laminator ( 2 ) or a process time control is used. Vorrichtung zur Herstellung einer Verbundscheibe mit einer metallischen Zwischenschicht (3) in einem Laminator (2), insbesondere eines Solarmodules, aus einer Laminator (2) mit einer oberen Heizplatte (8) und einer unteren Heizplatte (9) und einer dazwischen gehaltenen Membrane (10) und einem zwischen der Membrane (10) und einer der Heizplatten (9) erzeugten evakuierbaren Arbeitsraum (11), dadurch gekennzeichnet, dass in der einen Teil des Arbeitsraumes (11) bildenden Heizplatte (9) eine Ausnehmung (12) vorgesehen und dieser Heizplatte (9) ein Pyrometer (1) zugeordnet ist, welches durch die Ausnehmung (12) hindurch auf einen Messfleck (7) auf die metallische Zwischenschicht (3) der Verbundscheibe (6) ausgerichtet ist und dass das Pyrometer (1) mit einer Datenverarbeitungsanlage verbunden ist, über die eine Temperaturregelung des Laminators (2) und/oder eine Prozesszeitregelung durchführbar ist.Device for producing a composite pane with a metallic intermediate layer ( 3 ) in a laminator ( 2 ), in particular a solar module, from a laminator ( 2 ) with an upper heating plate ( 8th ) and a lower heating plate ( 9 ) and a diaphragm held therebetween ( 10 ) and one between the membrane ( 10 ) and one of the heating plates ( 9 ) evacuated work space ( 11 ), characterized in that in one part of the working space ( 11 ) forming heating plate ( 9 ) a recess ( 12 ) and this heating plate ( 9 ) a pyrometer ( 1 ), which passes through the recess ( 12 ) through to a measuring spot ( 7 ) on the metallic intermediate layer ( 3 ) of the composite disc ( 6 ) and that the pyrometer ( 1 ) is connected to a data processing system via which a temperature control of the laminator ( 2 ) and / or a process time control is feasible. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass in der Ausnehmung (12) zwischen dem Arbeitsraum (11) und dem Pyrometer (1) ein Vakuum-Schauglas (13) angeordnet ist.Apparatus according to claim 5, characterized in that in the recess ( 12 ) between the working space ( 11 ) and the pyrometer ( 1 ) a vacuum sight glass ( 13 ) is arranged. Vorrichtung nach einem der vorgenannten Ansprüche 5 oder 6, dadurch gekennzeichnet, dass die Ausnehmung (12) mit einer störgrößenminimierenden Abschirmung (14) ausgekleidet ist.Device according to one of the preceding claims 5 or 6, characterized in that the recess ( 12 ) with an interference-minimizing shielding ( 14 ) is lined. Vorrichtung nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass weitere im Arbeitsraum (11) befindliche Gegenstände, wie ein Abschnitt eines Transportbandes (15) oder eine Filzunterlage (16) für die Verbundscheibe (6), im Bereich der Ausnehmung (12) jeweils mit einer Durchbrechung versehen sind.Device according to one of claims 5 to 7, characterized in that more in the working space ( 11 ), such as a section of a conveyor belt ( 15 ) or a felt pad ( 16 ) for the composite pane ( 6 ), in the region of the recess ( 12 ) are each provided with an opening. Vorrichtung nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass das Pyrometer (1) außerhalb einer Heizplatte (8; 9) sowie außerhalb einer sich daran anschließenden Isolierung (17) und einer Druckplatte (18) angeordnet ist, die jeweils mit korrespondierenden Ausnehmungen (12) ausgestattet sind.Device according to one of claims 5 to 8, characterized in that the pyrometer ( 1 ) outside a heating plate ( 8th ; 9 ) and outside of a subsequent isolation ( 17 ) and a pressure plate ( 18 ) is arranged, each with corresponding recesses ( 12 ) are equipped. Vorrichtung nach einem der Ansprüche 5 bis 9, dadurch gekennzeichnet, dass das Pyrometer (1) emittierte Wärmestrahlung mit einem Wellenlängenbereich von 0,8 μm bis 3 μm, insbesondere eine Wellenlänge von 2,3 μm in einem Temperaturbereich von 50°C bis 200°C detektiert.Device according to one of claims 5 to 9, characterized in that the pyrometer ( 1 ) emitted heat radiation having a wavelength range of 0.8 microns to 3 microns, in particular a wavelength of 2.3 microns in a temperature range of 50 ° C to 200 ° C detected.
DE102010051896A 2010-11-22 2010-11-22 Producing composite disc in laminator from different layers with metallic intermediate layer visible from outside by transparent layer, comprises bonding together the layers under pressure and heat supply with melting of melt layer Withdrawn DE102010051896A1 (en)

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Citations (6)

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DE10048974C2 (en) 2000-09-27 2002-11-07 Wemhoener Heinrich Gmbh Co Device and method for producing plate-shaped composite material
DE10325602B3 (en) * 2003-06-05 2004-09-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temperature regulated processing system for substrates including thick film contacts for solar cells has quartz tube with gas inlet, inspection window and pyrometer, surrounded by heating coil
US20040234793A1 (en) * 2001-08-17 2004-11-25 3M Innovative Properties Company Glazing prelaminates, glazing laminates, and methods of making same
US20080185096A1 (en) * 2007-02-01 2008-08-07 Andreas Karpinski Method of producing solar modules by the roller laminate process
DE10348947B4 (en) * 2003-10-18 2008-08-28 Schott Ag Press and method for hot forming glass optical elements
US20090188603A1 (en) * 2008-01-25 2009-07-30 Applied Materials, Inc. Method and apparatus for controlling laminator temperature on a solar cell

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10048974C2 (en) 2000-09-27 2002-11-07 Wemhoener Heinrich Gmbh Co Device and method for producing plate-shaped composite material
US20040234793A1 (en) * 2001-08-17 2004-11-25 3M Innovative Properties Company Glazing prelaminates, glazing laminates, and methods of making same
DE10325602B3 (en) * 2003-06-05 2004-09-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temperature regulated processing system for substrates including thick film contacts for solar cells has quartz tube with gas inlet, inspection window and pyrometer, surrounded by heating coil
DE10348947B4 (en) * 2003-10-18 2008-08-28 Schott Ag Press and method for hot forming glass optical elements
US20080185096A1 (en) * 2007-02-01 2008-08-07 Andreas Karpinski Method of producing solar modules by the roller laminate process
US20090188603A1 (en) * 2008-01-25 2009-07-30 Applied Materials, Inc. Method and apparatus for controlling laminator temperature on a solar cell

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