EP2020196B1 - Device for keeping food warm in a vending stand - Google Patents

Device for keeping food warm in a vending stand Download PDF

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Publication number
EP2020196B1
EP2020196B1 EP20080013675 EP08013675A EP2020196B1 EP 2020196 B1 EP2020196 B1 EP 2020196B1 EP 20080013675 EP20080013675 EP 20080013675 EP 08013675 A EP08013675 A EP 08013675A EP 2020196 B1 EP2020196 B1 EP 2020196B1
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EP
European Patent Office
Prior art keywords
reflector
transparent plate
lamp
sheet
food
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Not-in-force
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EP20080013675
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German (de)
French (fr)
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EP2020196A1 (en
Inventor
Josef Stieglmeier
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/001—Devices for lighting, humidifying, heating, ventilation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/005—Show cases or show cabinets with glass panels
    • A47F3/007—Cases or cabinets of the counter type
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0033—Heating devices using lamps
    • H05B3/0071—Heating devices using lamps for domestic applications
    • H05B3/0076—Heating devices using lamps for domestic applications for cooking, e.g. in ovens

Definitions

  • the invention relates to a device for keeping food warm in a sales counter according to the preamble of claim 1.
  • a known device for keeping food warm in a sales counter has a holding plate arranged above the food, to which one or more holding devices for infrared lamps are fastened.
  • the infrared lamps are surrounded by a reflector that directs the heat radiation to the food underneath.
  • the fatty water vapor passes over the hot food to the hot infrared lamps and the entire bottom of the device. Fat burns on the glass body of the infrared lamp and darkens it in a short time.
  • the electrical contact elements for receiving and powering the infrared lamp also pollute with grease. This leads to contact problems, in particular by arcing and concomitant fouling of the contacts.
  • the lamps fail after a short time, especially after a lamp replacement, when grease passes directly to the electrical contacts when replacing the lamp. Under the influence of heat and fat discolored and deformed the known reflector of the lamp, whereby the heat yield decreases in addition. Even a more frequent, expensive lamp replacement leads only to a short-term improvement.
  • a kitchen stove which has a retractable in the kitchen stove via a telescopic pole infrared heat lamp.
  • the heat lamp In the lowered state, the heat lamp is used to heat a cooking pot from below while cooking and in the pulled-out and inverted state, the heating of the cooking material from above during cooking.
  • the infrared heat lamp is arranged in a cup-shaped holder, which is provided at its open end with a transparent cover. This cover has in the retracted state of the heat lamp the purpose of preventing something overcooking from the pot located above the heat lamp in the holder runs.
  • the object of the invention is to provide a sales counter for keeping food warm, which is fully functional for a longer time.
  • the known device for keeping food warm in a sales counter has at least one heat lamp, in particular an infrared lamp. This gives off heat radiation down towards the food to be kept warm.
  • the device is largely completely covered on its underside with a transparent pane.
  • the transparent pane is arranged according to the invention between the at least one heat lamp and the food to be kept warm.
  • the transparent pane is preferably known, inexpensive single-pane safety glass.
  • the toughened glass is transparent both to the heat radiation of the infrared lamp and to the light of an illumination source, for example a halogen rod lamp, which may also be provided on the underside of the device for illumination purposes.
  • a transparent disk in the form of a fine mesh perforated plate or the like can be used.
  • the entire bottom of the device and also the lamps and their reflectors are covered, fat deposits, as in the known device, are avoided in a very advantageous manner.
  • the disc remains cool, so that the fat does not burn on the disc. Fat deposits on the transparent disc can be wiped effortlessly and safely.
  • the life of the lamps increases significantly and the hygiene problem in the known device is solved by the invention in an elegant way.
  • At least one opening for ventilating the at least one heat lamp is provided for the vendor side between the transparent pane and the device, wherein the opening is closed with a perforated grid. The heat dissipation can thus be done without affecting the customer.
  • the device has on its left and on its right side in each case a guide rail.
  • the left and the right side of the transparent disc is inserted horizontally.
  • the disc can be easily and controlled removed from the device when changing the lamp and the lamps are easily accessible.
  • the disc can be placed under the lamps, so that any falling particles can fall on the glass when changing the lamp and can be wiped up by it.
  • the transparent pane lies at an angle to the customer side and preferably can only be pulled out of the device in the direction of the seller side.
  • the transparent pane can not be accidentally pulled out of the device by the buyer, e.g. by a child.
  • a mechanical barrier is preferably provided, which allows withdrawal of the disc only after it has been lifted, in particular by loosening a screw on the lock.
  • the at least one heat lamp preferably an infrared lamp
  • a reflector which consists of sheet metal, preferably aluminum sheet.
  • the thickness of the sheet is preferably less than 0.8 mm, in particular 0.3 to 0.5 mm.
  • Known reflectors have a significantly greater thickness and warp under the heat of the lamp.
  • the surface of the sheet metal of the reflector is smooth or structured, as with textured sheet metal.
  • a sheet with a structured surface is characterized in particular by a higher rigidity and therefore does not deform even under greater heat.
  • the reflector is channel-shaped in cross-section at the top and that its sides form a V-shape. Further, it is preferably provided that under the trough-shaped upper side of the reflector, a base is provided, which is formed of a perforated plate, which carries the reflector. This ensures that air between the bottom of the device and the reflector through the out of perforated plate formed base passes by and that thus the heat dissipation from the heat lamp or the reflector is increased. As a result, the temperature at the heat lamp decreases by this measure according to the invention, which increases the life of the heat lamp.
  • the inventive device 100 for keeping food of a sales counter has a top 105, a bottom 103a, each made of stainless steel sheet, an infrared heat lamp 101, an infrared heat lamp 102, each with a power of, for example, 500 W, a transparent Washer 104 made of toughened safety glass (ESG) with a thickness of 4 mm, a perforated plate 106, a reflector 107 and a reflector 108, the reflectors each consisting of aluminum sheet with a thickness of 0.5 mm, a base 109 and a base 110, wherein the pedestals are each formed of perforated plate, on.
  • ESG toughened safety glass
  • the upper part 105 has a plurality of support bolts in the region of the buyer side, of which in FIG. 1 a support pin 112 is shown.
  • the lower part 103a is angled in the region of the buyer side and is supported there on the support bolt. In the area of the seller side, the upper part and the lower part of the Angled device so that they overlap there. They are screwed together.
  • the lower part After loosening the screws in this area, the lower part can be folded down and pulled to the seller side. The buyer-side region of the lower part then no longer bears on the support bolt and the lower part 103a can be separated from the upper part 105 in a simple manner.
  • the perforated sheet metal base 109 and 110 are screwed at a suitable distance from each other.
  • the perforated plate base 109 of the bottom V-shaped and top channel-shaped reflector 107 is screwed.
  • the electrical contacts for holding and voltage supply (not shown) for the round rod-shaped infrared heat lamp 101 is screwed.
  • the round rod-shaped heat lamp 102 and its reflector 108 are arranged on the lower side of the lower part 103 or on the perforated sheet metal base 110.
  • a rod-shaped halogen lamp with a power of, for example, 100 W for illuminating the food and its reflector on the underside of the lower part or on a perforated sheet metal base is arranged in the same way (not shown).
  • the part of the upper part 105 of the device which is angled in the buyer side area and closes the device to the buyer side, is angled on its underside again.
  • the buyer-side end of the transparent pane 104 rests on the angle 105a formed thereby.
  • the left and right sides of the disc 104 are located in left and right guide rails that contact the Side walls of the device are mounted (not shown).
  • the opening formed between the disc 104 and the bottom of the device is closed by the perforated plate 106.
  • a mechanical lock 113 is screwed, which encompasses the seller-side end of the disc 104 over a length of about 2 cm and prevents the disc can be pulled without removing the lock towards the seller side and removed.

Landscapes

  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Electric Stoves And Ranges (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Warmhalten von Speisen in einer Verkaufstheke gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a device for keeping food warm in a sales counter according to the preamble of claim 1.

Eine bekannte Vorrichtung zum Warmhalten von Speisen in einer Verkaufstheke weist eine über den Speisen angeordnete Halteplatte auf, auf der eine oder mehrere Haltevorrichtungen für Infrarotlampen befestigt sind. Die Infrarotlampen sind von einem Reflektor umgeben, der die Wärmestrahlung auf die darunter befindlichen Speisen lenkt.A known device for keeping food warm in a sales counter has a holding plate arranged above the food, to which one or more holding devices for infrared lamps are fastened. The infrared lamps are surrounded by a reflector that directs the heat radiation to the food underneath.

Aus der US 5 598 886 ist eine weitere Vorrichtung zum Warmhalten von Speisen in einer Verkaufstheke bekannt. Um die Vorrichtung an verschiedenen Stellen in einem Restaurant oder dgl. nutzen zu können, wird vorgeschlagen, die Vorrichtung fahrbar zu gestalten und mit Bottichen für Speisen zu versehen, die gekühlt oder beheizt werden können. Über den Speisen ist eine transparente haubenförmige Abdeckung vorgesehen unter der eine Lampe angeordnet ist, die der Beleuchtung oder wohl zum Wärmen von Speisen der Verkaufstheke dient.From the U.S. 5,598,886 Another device for keeping food warm in a sales counter is known. In order to use the device at various points in a restaurant or the like, it is proposed to make the device mobile and to provide with vats for food that can be cooled or heated. About the food, a transparent hood-shaped cover is provided under a lamp is arranged, which is used for lighting or probably for heating food of the sales counter.

Bei den bekannten Verkaufstheken gelangt der fetthaltige Wasserdampf über den warmen Speisen an die heißen Infrarotlampen und die gesamte Unterseite der Vorrichtung. Fett brennt sich auf dem Glaskörper der Infrarotlampe ein und verdunkelt sie in kurzer Zeit. Die elektrischen Kontaktelemente zur Aufnahme und Spannungsversorgung der Infrarotlampe verschmutzen ebenfalls mit Fett. Dies führt zu Kontaktproblemen, insbesondere durch eine Lichtbogenbildung und ein damit einhergehendes Verschmoren der Kontakte. Die Lampen fallen nach kurzer Zeit aus, insbesondere nach einem Lampentausch, wenn Fett beim Lampentausch unmittelbar an die elektrischen Kontakte gelangt. Unter der Einwirkung von Wärme und Fett verfärbt und verformt sich der bekannte Reflektor der Lampe, wodurch die Wärmeausbeute zusätzlich sinkt. Selbst ein häufiger, teurer Lampenwechsel führt nur zu einer kurzzeitigen Verbesserung. Die fest sitzenden Fettablagerungen auf der gesamten Unterseite der Vorrichtung und auf den Infrarotlampen und ihren Reflektoren lassen sich praktisch nicht mehr entfernen und führen zu einem Hygieneproblem. Beim Reinigen und während des Verkaufsbetriebs besteht zudem die Gefahr, dass Wasser an stromführende Kontakte an der Unterseite der Vorrichtung gelangt und einen elektrischen Schlag verursacht.In the known sales counters, the fatty water vapor passes over the hot food to the hot infrared lamps and the entire bottom of the device. Fat burns on the glass body of the infrared lamp and darkens it in a short time. The electrical contact elements for receiving and powering the infrared lamp also pollute with grease. This leads to contact problems, in particular by arcing and concomitant fouling of the contacts. The lamps fail after a short time, especially after a lamp replacement, when grease passes directly to the electrical contacts when replacing the lamp. Under the influence of heat and fat discolored and deformed the known reflector of the lamp, whereby the heat yield decreases in addition. Even a more frequent, expensive lamp replacement leads only to a short-term improvement. The tightly packed fat deposits on the entire bottom of the Device and on the infrared lamps and their reflectors are virtually impossible to remove and lead to a hygiene problem. When cleaning and during sales, there is also the risk that water gets to live contacts on the bottom of the device and causes an electric shock.

Aus der US 3 401 256 ist ein Küchenherd bekannt, der eine im Küchenherd über eine Teleskopstange versenkbare Infrarot-Wärmelampe aufweist. Im versenkten Zustand dient die Wärmelampe dem Erwärmen eines Kochtopfs von unten beim Kochen und im herausgezogenen und umgedrehten Zustand dem Erhitzen des Kochguts von oben beim Kochen. Die Infrarot-Wärmelampe ist in einer topfförmigen Halterung angeordnet, die an ihrem offenen Ende mit einer transparenten Abdeckung versehen ist. Diese Abdeckung hat im versenkten Zustand der Wärmelampe den Zweck zu verhindern, dass etwas beim Überkochen aus dem über der Wärmelampe befindlichen Topf in die Halterung läuft.From the US 3 401 256 is known a kitchen stove, which has a retractable in the kitchen stove via a telescopic pole infrared heat lamp. In the lowered state, the heat lamp is used to heat a cooking pot from below while cooking and in the pulled-out and inverted state, the heating of the cooking material from above during cooking. The infrared heat lamp is arranged in a cup-shaped holder, which is provided at its open end with a transparent cover. This cover has in the retracted state of the heat lamp the purpose of preventing something overcooking from the pot located above the heat lamp in the holder runs.

Aufgabe der Erfindung ist die Bereitstellung einer Verkaufstheke zum Warmhalten von Speisen, die länger voll funktionstüchtig ist.The object of the invention is to provide a sales counter for keeping food warm, which is fully functional for a longer time.

Diese Aufgabe wird durch eine Weiterbildung der bekannten Vorrichtung mit den kennzeichnenden Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der abhängigen Ansprüche.This object is achieved by a development of the known device with the characterizing features of claim 1. Advantageous embodiments of the invention are the subject of the dependent claims.

Die bekannte Vorrichtung zum Warmhalten von Speisen in einer Verkaufstheke weist mindestens eine Wärmelampe auf, insbesondere eine Infrarot-Lampe. Diese gibt Wärmestrahlung nach unten in Richtung auf die warm zu haltenden Speisen ab. Erfindungsgemäß ist vorgesehen, dass die Vorrichtung auf ihrer Unterseite weitgehend vollständig mit einer transparenten Scheibe abgedeckt ist. Die transparente Scheibe ist erfindungsgemäß zwischen der mindestens einen Wärmelampe und den warm zu haltenden Speisen angeordnet. Bei der transparenten Scheibe handelt es sich bevorzugt um bekanntes, preiswertes Einscheiben-Sicherheitsglas. Das ESG-Glas ist sowohl für die Wärmestrahlung der Infrarotlampe als auch für das Licht einer Beleuchtungsquelle transparent, z.B. eine Halogen-Stab-Lampe, die zu Beleuchtungszwecken ebenfalls auf der Unterseite der Vorrichtung vorgesehen sein kann.The known device for keeping food warm in a sales counter has at least one heat lamp, in particular an infrared lamp. This gives off heat radiation down towards the food to be kept warm. According to the invention it is provided that the device is largely completely covered on its underside with a transparent pane. The transparent pane is arranged according to the invention between the at least one heat lamp and the food to be kept warm. The transparent pane is preferably known, inexpensive single-pane safety glass. The toughened glass is transparent both to the heat radiation of the infrared lamp and to the light of an illumination source, for example a halogen rod lamp, which may also be provided on the underside of the device for illumination purposes.

Es versteht sich, dass bei einer verschlechterten Ausführungsform der Erfindung eine transparente Scheibe in Form eines feinmaschigen Lochblechs oder dgl. verwendet werden kann.It is understood that in a deteriorated embodiment of the invention, a transparent disk in the form of a fine mesh perforated plate or the like can be used.

Indem erfindungsgemäß die gesamte Unterseite der Vorrichtung und zudem die Lampen und deren Reflektoren abgedeckt werden, werden Fettablagerungen, wie bei der bekannten Vorrichtung, in sehr vorteilhafter Weise vermieden. Die Scheibe bleibt im Unterschied zu den heißen Glaskörpern der Lampen kühl, so dass das Fett auf der Scheibe nicht einbrennt. Fettablagerungen auf der transparenten Scheibe können mühe- und gefahrlos abgewischt werden. Die Lebensdauer der Lampen steigt erheblich und das Hygieneproblem bei der bekannten Vorrichtung ist durch die Erfindung auf elegante Weise gelöst.By the invention, the entire bottom of the device and also the lamps and their reflectors are covered, fat deposits, as in the known device, are avoided in a very advantageous manner. In contrast to the hot glass bodies of the lamps, the disc remains cool, so that the fat does not burn on the disc. Fat deposits on the transparent disc can be wiped effortlessly and safely. The life of the lamps increases significantly and the hygiene problem in the known device is solved by the invention in an elegant way.

Erfindungsgemäß ist zudem vorgesehen, dass zur Verkäuferseite hin zwischen der transparenten Scheibe und der Vorrichtung mindestens eine Öffnung zur Belüftung der mindestens einen Wärmelampe vorgesehen ist, wobei die Öffnung mit einem Lochgitter verschlossen ist. Die Wärmeabfuhr kann damit ohne Beeinträchtigung der Kunden erfolgen.According to the invention, it is additionally provided that at least one opening for ventilating the at least one heat lamp is provided for the vendor side between the transparent pane and the device, wherein the opening is closed with a perforated grid. The heat dissipation can thus be done without affecting the customer.

Bei einer bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass die Vorrichtung an ihrer linken und an ihrer rechten Seite jeweils eine Führungsschiene aufweist. In diese wird die linke und die rechte Seite der transparenten Scheibe horizontal eingeschoben. Hierdurch lässt sich die Scheibe bei einem Lampenwechsel leicht und kontrolliert von der Vorrichtung entfernen und die Lampen sind gut zugänglich. Zudem kann die Scheibe unter den Lampen abgelegt werden, so dass eventuell beim Lampenwechsel herunterfallende Partikel auf die Scheibe fallen und von dieser gut aufgewischt werden können.In a preferred embodiment of the invention it is provided that the device has on its left and on its right side in each case a guide rail. In this, the left and the right side of the transparent disc is inserted horizontally. As a result, the disc can be easily and controlled removed from the device when changing the lamp and the lamps are easily accessible. In addition, the disc can be placed under the lamps, so that any falling particles can fall on the glass when changing the lamp and can be wiped up by it.

Bei einer weiteren bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass die transparente Scheibe zur Kundenseite hin in einem Winkel der Vorrichtung liegt und bevorzugt nur in Richtung zur Verkäuferseite aus der Vorrichtung herausgezogen werden kann. Die transparente Scheibe kann also nicht versehentlich von der Käuferseite aus der Vorrichtung herausgezogen werden, z.B. durch ein Kind. Auf der Verkäuferseite ist bevorzugt eine mechanische Sperre vorgesehen, die ein Herausziehen der Scheibe erst dann erlaubt, wenn sie aufgehoben worden ist, insbesondere durch Lösen einer Schraube an der Sperre.In a further preferred embodiment of the invention, it is provided that the transparent pane lies at an angle to the customer side and preferably can only be pulled out of the device in the direction of the seller side. Thus, the transparent pane can not be accidentally pulled out of the device by the buyer, e.g. by a child. On the seller's side, a mechanical barrier is preferably provided, which allows withdrawal of the disc only after it has been lifted, in particular by loosening a screw on the lock.

Bei einer besonders bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass die mindestens eine Wärmelampe, vorzugsweise eine Infrarot-Lampe, von einem Reflektor umgeben ist, der aus Blech besteht, vorzugsweise Aluminium-Blech. Die Dicke des Blechs ist vorzugsweise kleiner als 0,8 mm, insbesondere 0,3 bis 0,5 mm. Bekannte Reflektoren weisen eine deutlich größere Dicke auf und verziehen sich unter der Wärmeeinwirkung der Lampe. Durch die erfindungsgemäß bevorzugte Verwendung von gut wärmeleitendem Blech, wie insbesondere Aluminium-Blech geringer Dicke, wird eine besonders schnelle Wärmeabfuhr von der Wärmelampe über den erfindungsgemäßen Blech-Reflektor in den Raum zwischen der Unterseite der Vorrichtung und der Scheibe erreicht. Die Unterseite bzw. die gesamte Vorrichtung, die insbesondere aus Edelstahl besteht, nimmt einen Teil der Wärmeenergie auf und ein großer Teil kann über das Lochgitter nach außen abgeführt werden.In a particularly preferred embodiment of the invention it is provided that the at least one heat lamp, preferably an infrared lamp, is surrounded by a reflector which consists of sheet metal, preferably aluminum sheet. The thickness of the sheet is preferably less than 0.8 mm, in particular 0.3 to 0.5 mm. Known reflectors have a significantly greater thickness and warp under the heat of the lamp. As a result of the preferred use according to the invention of heat-conducting metal sheet, in particular aluminum sheet of small thickness, a particularly rapid heat dissipation is achieved by the heat lamp via the sheet-metal reflector according to the invention into the space between the underside of the apparatus and the pane. The bottom or the entire device, which consists in particular of stainless steel, absorbs a portion of the heat energy and a large part can be removed via the perforated grid to the outside.

Die Oberfläche des Blechs des Reflektors ist glatt oder strukturiert, wie z.B. bei Strukturblech. Ein Blech mit strukturierter Oberfläche zeichnet sich insbesondere durch eine höhere Steifigkeit aus und verformt sich daher auch unter größerer Hitzeeinwirkung nicht.The surface of the sheet metal of the reflector is smooth or structured, as with textured sheet metal. A sheet with a structured surface is characterized in particular by a higher rigidity and therefore does not deform even under greater heat.

Bei einer besonders bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass der Reflektor im Querschnitt oben rinnenförmig ist und dass seine Seiten eine V-Form bilden. Ferner ist bevorzugt vorgesehen, dass unter der rinnenförmigen Oberseite des Reflektors ein Sockel vorgesehen ist, der aus einem Lochblech gebildet ist, der den Reflektor trägt. Hierdurch wird erreicht, dass Luft zwischen der Unterseite der Vorrichtung und dem Reflektor durch den aus Lochblech gebildeten Sockel vorbeistreicht und dass damit die Wärmeabfuhr von der Wärmelampe bzw. von deren Reflektor erhöht wird. Im Ergebnis sinkt die Temperatur an der Wärmelampe durch diese erfindungsgemäße Maßnahme, wodurch sich die Lebensdauer der Wärmelampe erhöht.In a particularly preferred embodiment of the invention it is provided that the reflector is channel-shaped in cross-section at the top and that its sides form a V-shape. Further, it is preferably provided that under the trough-shaped upper side of the reflector, a base is provided, which is formed of a perforated plate, which carries the reflector. This ensures that air between the bottom of the device and the reflector through the out of perforated plate formed base passes by and that thus the heat dissipation from the heat lamp or the reflector is increased. As a result, the temperature at the heat lamp decreases by this measure according to the invention, which increases the life of the heat lamp.

Eine bevorzugte Ausführungsform der erfindungsgemäßen Vorrichtung wird nachfolgend anhand einer nicht notwendigerweise maßstäblichen Querschnitts-Zeichnung näher erläutert. Gleiche Bezugezeichen bezeichnen gleiche oder gleich wirkende Elemente der Vorrichtung. Es zeigt:

  • Figur 1: Eine erfindungsgemäße Vorrichtung zum Warmhalten von Speisen einer Verkaufstheke im Querschnitt.
A preferred embodiment of the device according to the invention is explained below with reference to a not necessarily to scale cross-sectional drawing. Identical designations refer to the same or equivalent elements of the device. It shows:
  • FIG. 1 A device according to the invention for keeping meals of a sales counter warm in cross section.

Die erfindungsgemäße Vorrichtung 100 zum Warmhalten von Speisen einer Verkaufstheke (nicht dargestellt) weist ein Oberteil 105, ein Unterteil 103a, jeweils aus Edelstahlblech, eine Infrarot-Wärmelampe 101, eine Infrarot-Wärmelampe 102, jeweils mit einer Leistung von beispielsweise 500 W, eine transparente Scheibe 104 aus Einscheibensicherheitsglas (ESG) mit einer Stärke von 4 mm, ein Lochblech 106, einen Reflektor 107 und einen Reflektor 108, wobei die Reflektoren jeweils aus Aluminiumblech mit einer Stärke von 0,5 mm bestehen, einen Sockel 109 und einen Sockel 110, wobei die Sockel jeweils aus Lochblech gebildet sind, auf. Zwischen dem Oberteil 105 und dem Unterteil 103a der Vorrichtung ist ein Hohlraum 111 zur Aufnahme der elektrischen Leitungen und Anschlüsse für die Wärmelampen (nicht dargestellt). Das Oberteil 105 weist im Bereich der Käuferseite mehrere Stützbolzen auf, von denen in Figur 1 ein Stützbolzen 112 dargestellt ist. Das Unterteil 103a ist im Bereich der Käuferseite abgewinkelt und stützt sich dort auf dem Stützbolzen ab. Im Bereich der Verkäuferseite sind das Oberteil und das Unterteil der Vorrichtung derart abgewinkelt, dass sie dort überlappen. Sie sind miteinander verschraubt.The inventive device 100 for keeping food of a sales counter (not shown) has a top 105, a bottom 103a, each made of stainless steel sheet, an infrared heat lamp 101, an infrared heat lamp 102, each with a power of, for example, 500 W, a transparent Washer 104 made of toughened safety glass (ESG) with a thickness of 4 mm, a perforated plate 106, a reflector 107 and a reflector 108, the reflectors each consisting of aluminum sheet with a thickness of 0.5 mm, a base 109 and a base 110, wherein the pedestals are each formed of perforated plate, on. Between the upper part 105 and the lower part 103a of the device is a cavity 111 for receiving the electrical leads and connections for the heat lamps (not shown). The upper part 105 has a plurality of support bolts in the region of the buyer side, of which in FIG. 1 a support pin 112 is shown. The lower part 103a is angled in the region of the buyer side and is supported there on the support bolt. In the area of the seller side, the upper part and the lower part of the Angled device so that they overlap there. They are screwed together.

Nach dem Lösen der Schrauben in diesem Bereich kann das Unterteil nach unten geklappt und zur Verkäuferseite hingezogen werden. Das käuferseitige Bereich des Unterteil stützt sich dann nicht mehr auf den Stützbolzen ab und das Unterteil 103a kann in einfacher Weise vom Oberteil 105 getrennt werden.After loosening the screws in this area, the lower part can be folded down and pulled to the seller side. The buyer-side region of the lower part then no longer bears on the support bolt and the lower part 103a can be separated from the upper part 105 in a simple manner.

Auf der Unterseite 103 des Unterteils 103a sind die Lochblechsockel 109 und 110 in geeignetem Abstand voneinander angeschraubt. Auf dem Lochblechsockel 109 ist der unten V- und oben rinnenförmige Reflektor 107 angeschraubt. Ferner sind auf dem Sockel 109 die elektrischen Kontakte zur Halterung und Spannungszufuhr (nicht dargestellt) für die rundstabförmige Infrarot-Wärmelampe 101 angeschraubt.On the bottom 103 of the lower part 103 a, the perforated sheet metal base 109 and 110 are screwed at a suitable distance from each other. On the perforated plate base 109 of the bottom V-shaped and top channel-shaped reflector 107 is screwed. Further, on the base 109, the electrical contacts for holding and voltage supply (not shown) for the round rod-shaped infrared heat lamp 101 is screwed.

In gleicher Weise ist die rundstabförmige Wärmelampe 102 und ihr Reflektor 108 auf der Unterseite des Unterteils 103 bzw. auf dem Lochblechsockel 110 angeordnet.In the same way, the round rod-shaped heat lamp 102 and its reflector 108 are arranged on the lower side of the lower part 103 or on the perforated sheet metal base 110.

Ferner ist in gleicher Weise eine stabförmige Halogen-Lampe mit einer Leistung von beispielsweise 100 W zur Beleuchtung der Speisen und ihr Reflektor auf der Unterseite des Unterteils bzw. auf einem Lochblechsockel angeordnet (nicht dargestellt).Furthermore, a rod-shaped halogen lamp with a power of, for example, 100 W for illuminating the food and its reflector on the underside of the lower part or on a perforated sheet metal base is arranged in the same way (not shown).

Der Teil des Oberteils 105 der Vorrichtung, der im käuferseitigen Bereich abgewinkelt ist und die Vorrichtung zur Käuferseite hin abschließt, ist an seiner Unterseite erneut abgewinkelt. Auf dem hierdurch gebildeten Winkel 105a liegt das käuferseitige Ende der transparenten Scheibe 104 auf. Die linke und die rechte Seite der Scheibe 104 liegt in einer linken und in einer rechten Führungsschiene, die an den Seitenwänden der Vorrichtung angebracht sind (nicht dargestellt). Zur Verkäuferseite hin ist die zwischen der Scheibe 104 und der Unterseite der Vorrichtung gebildete Öffnung durch das Lochblech 106 verschlossen. An dem Lochblech ist eine mechanische Sperre 113 angeschraubt, die auf einer Länge von ca. 2 cm das verkäuferseitige Ende der Scheibe 104 umgreift und verhindert, dass die Scheibe ohne das Abschrauben der Sperre in Richtung Verkäuferseite gezogen und entfernt werden kann.The part of the upper part 105 of the device, which is angled in the buyer side area and closes the device to the buyer side, is angled on its underside again. The buyer-side end of the transparent pane 104 rests on the angle 105a formed thereby. The left and right sides of the disc 104 are located in left and right guide rails that contact the Side walls of the device are mounted (not shown). To the seller side, the opening formed between the disc 104 and the bottom of the device is closed by the perforated plate 106. At the perforated plate, a mechanical lock 113 is screwed, which encompasses the seller-side end of the disc 104 over a length of about 2 cm and prevents the disc can be pulled without removing the lock towards the seller side and removed.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

100100
Vorrichtung um Warmhalten von Speisen einer VerkaufsthekeDevice for keeping food at a sales counter
101101
Wärmelampeheating lamp
102102
Wärmelampeheating lamp
103103
Unterseite der VorrichtungBottom of the device
103a103a
Unterteil der VorrichtungLower part of the device
104104
transparente Scheibetransparent disc
105105
Oberteil der VorrichtungTop part of the device
105a105a
Winkel zur käuferseitigen Auflage der ScheibeAngle to the buyer side edition of the disc
106106
Lochblech zum Verschließen der verkäuferseitigen ÖffnungPerforated plate for closing the vendor-side opening
107107
Reflektor aus AluminiumblechReflector made of aluminum sheet
107a107a
rinnenförmige Oberseite des Reflektors 107trough-shaped upper side of the reflector 107
107b107b
und 107c Seiten des Reflektors 107 bilden eine V-Formand 107c sides of the reflector 107 form a V-shape
108108
Reflektor aus AluminiumblechReflector made of aluminum sheet
108a108a
rinnenförmige Oberseite des Reflektors 108Trough-shaped top of the reflector 108th
108b108b
und 108c Seiten des Reflektors 108 bilden eine V-Formand 108c sides of the reflector 108 form a V-shape
109109
Lochblech-Sockel des Reflektors 107Perforated metal base of the reflector 107
110110
Lochblech-Sockel des Reflektors 108Perforated metal base of the reflector 108
111111
Hohlraum zwischen Oberteil und Unterteil der VorrichtungCavity between the upper part and lower part of the device
112112
Stützbolzensupport bolts
113113
mechanische Sperremechanical lock

Claims (7)

  1. Apparatus (100) for keeping food warm in a sales counter, having at least one heating lamp (101, 102) which emits thermal radiation downwards in the direction of the food which is to be kept warm, characterized in that
    - the apparatus (100), at its lower face (103), is largely completely covered by a transparent plate (104) and the transparent plate is arranged between the at least one heating lamp (101, 102) and the food which is to be kept warm, and
    - at least one opening for ventilating the at least one heating lamp is provided towards the vendor side between the transparent plate and the apparatus, with the opening being closed by a perforated grid (106) and the transparent plate (104) being secured against being unintentionally pulled out.
  2. Apparatus according to Claim 1, characterized in that the apparatus has a respective guide rail on its left-hand side and on its right-hand side, the left-hand side and the right-hand side of the transparent plate (104) being inserted horizontally into the said guide rails.
  3. Apparatus according to Claim 1 or 2, characterized in that the transparent plate (104) is situated in a bracket (105a) of the apparatus towards the customer side and preferably can be pulled out of the apparatus (100) only in the direction of the vendor side.
  4. Apparatus according to one of the preceding claims, characterized in that the at least one heating lamp, preferably an infrared lamp (101, 102), is surrounded by a reflector (107, 108) which is composed of sheet metal, preferably sheet aluminium, with the thickness of the sheet metal preferably being less than 0.8 mm, in particular 0.3 to 0.5 mm.
  5. Apparatus according to Claim 4, characterized in that the aluminium sheet is provided with a structure which improves the statics of the reflector.
  6. Apparatus according to either of the preceding Claims 4 and 5, characterized in that the reflector (107, 108) is channel-like (107a, 108a) at the top in cross section and the sides of the said reflector form a V-shape (107b, 107c, 108b, 108c).
  7. Apparatus according to one of the preceding Claims 4-6, characterized in that a base (109, 110) is provided beneath the channel-like lower face (107a, 108a) of the reflector (107, 108), the said base being formed from a perforated metal sheet (109, 110) which supports the reflector.
EP20080013675 2007-07-31 2008-07-30 Device for keeping food warm in a vending stand Not-in-force EP2020196B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200720010775 DE202007010775U1 (en) 2007-07-31 2007-07-31 Device for keeping food warm in a sales counter

Publications (2)

Publication Number Publication Date
EP2020196A1 EP2020196A1 (en) 2009-02-04
EP2020196B1 true EP2020196B1 (en) 2013-01-23

Family

ID=38690641

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080013675 Not-in-force EP2020196B1 (en) 2007-07-31 2008-07-30 Device for keeping food warm in a vending stand

Country Status (2)

Country Link
EP (1) EP2020196B1 (en)
DE (1) DE202007010775U1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2517420A (en) * 1947-09-09 1950-08-01 E F Kemp Inc Display cabinet
US3401256A (en) * 1965-09-22 1968-09-10 Gen Motors Corp Invertible infrared surface heating unit
FR2621772A1 (en) * 1987-07-10 1989-04-14 Huber Kurt ELECTRICAL HEATING DEVICE TRANSFORMING LIGHT ENERGY INTO CALORIFIC ENERGY
US5517005A (en) * 1988-05-19 1996-05-14 Quadlux, Inc. Visible light and infra-red cooking apparatus
ES1028305Y (en) * 1994-06-15 1995-05-16 Mellado Antonio Criado FOOD EXPOSURE AND FOOD CONSERVATION.

Also Published As

Publication number Publication date
EP2020196A1 (en) 2009-02-04
DE202007010775U1 (en) 2007-11-15

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