EP2191204A1 - Exhaust hood housing - Google Patents

Exhaust hood housing

Info

Publication number
EP2191204A1
EP2191204A1 EP08803013A EP08803013A EP2191204A1 EP 2191204 A1 EP2191204 A1 EP 2191204A1 EP 08803013 A EP08803013 A EP 08803013A EP 08803013 A EP08803013 A EP 08803013A EP 2191204 A1 EP2191204 A1 EP 2191204A1
Authority
EP
European Patent Office
Prior art keywords
core
sheet
housing according
housing
screen
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.)
Granted
Application number
EP08803013A
Other languages
German (de)
French (fr)
Other versions
EP2191204B1 (en
Inventor
Matthias Barth
Thomas Wilde
Ulrich Gremmelmaier
Carsten Senkbeil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2191204A1 publication Critical patent/EP2191204A1/en
Application granted granted Critical
Publication of EP2191204B1 publication Critical patent/EP2191204B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes

Definitions

  • the invention relates to a housing of a cooker hood, wherein the housing is at least partially constructed of a thin sheet metal.
  • extractor hood refers in the present context to all types of hoods and food, which are arranged above a cooking point and serve to extract the vapors produced at the cooking point.
  • the shape and thus the visual impression of the extractor hood are largely determined by the housing, which also serves to accommodate filters, fans and control elements.
  • the housing is a supporting component of the hood and serves to absorb and transmit forces, esp. The weight of the extractor hood itself.
  • the housing or parts of the housing continue to serve to guide the air or Wrasenstroms within the hood.
  • the housing of extractor hoods made of thin sheet, which is inherently dimensionally unstable.
  • the stability of the housing is often produced by kinking or folding of the sheet, these kinks and folds are usually arranged in an edge region of the housing and also influence the appearance of the housing.
  • the housing is constructed of thin, in itself not dimensionally stable sheet, which is free of kinking or folding over a larger area.
  • the present invention is therefore an object of the invention to provide a housing of a hood available that is made of thin sheet dimensionally stable and allows waiving kinks or folds a largely free shaping.
  • This object is achieved in that a dimensionally stable core is provided, which is arranged in the interior of the housing and connected to the sheet.
  • the dimensionally stable core is not visible from the outside. He puts the shape of the thin sheet firmly and thus defines the shape of the housing.
  • the core is a supporting component of the housing and serves to transmit forces.
  • the sheet is formed as a steel sheet, preferably as a stainless steel sheet, in particular stainless steels are used.
  • the sheet has a thickness between 0.4 and 1, 2 mm, preferably between 0.6 and 1, 0 mm. Sheets of this thickness have sufficient stability against plastic deformation, while minimizing the use of materials.
  • the core is made of aluminum.
  • the material aluminum has a low specific weight and can be machined in a simple manner or by forming.
  • the core of a profile preferably formed by an extruded profile.
  • the weight of the core can be optimized while maintaining high stability, that the core is formed by a hollow profile.
  • the core has at least one defined contact point for the metal sheet.
  • the position and / or the shape of the sheet are predetermined by the core. In other words, the sheet is clamped on the core, wherein it rests on the support points on the core.
  • the core has at least one channel and / or at least one bore for receiving screws.
  • tapping screws can be screwed to fix the thin sheet to the core.
  • a channel is provided for the screws, this preferably extends in the longitudinal direction of the core. For example, it can already be produced during extrusion.
  • the core has at least one slot into which an edge of the sheet projects.
  • the well is also aligned longitudinally of the core.
  • the shaft fixes the position of the edge of the sheet in terms of position and orientation. He also serves to compensate for tolerances, since length deviations of the sheet only affect the insertion depth of the sheet in the shaft, but not the outer shape of the housing.
  • the core has at least one receptacle for a control element and / or display element. These elements can be attached to the core, so that no fixing elements must be arranged on the sheet visible from the outside.
  • the core has a receptacle for at least one connecting piece, which is connected to a second metal sheet.
  • the connecting piece is a separate component which is connected on the one hand to the core and on the other hand to the second metal sheet.
  • a defined gap between the two sheets can be realized in that the connecting piece is designed as a spacer which defines a distance of the second sheet to the sheet metal connected to the core.
  • the distance of the second sheet to the core connected to the core forms a gap for blowing an air stream.
  • the blown air stream influences the flow conditions in the area of the extractor hood.
  • the rising from the cooking fumes is forced by the air flow to the rear, in the region of the suction port of the hood.
  • the blown air stream can be redirected, for example by means of the Coanda effect in the desired direction.
  • the core is preferably arranged substantially horizontally.
  • the housing of the extractor hood forms a screen and the core defines the shape of an outer area of the screen.
  • the width of the screen extends over at least the entire hob.
  • the suction through which the fumes produced on the hob is sucked.
  • the top of the screen is formed of the thin sheet and designed as a flat plane.
  • the core serves to avoid unwanted curvature of this level.
  • the outer area of the screen has a convex, preferably semi-cylindrical curvature.
  • the radius of curvature of this curvature is defined by the core. In particular, it is ensured that the curvature over the entire width of the screen has a constant radius of curvature.
  • the shade is essentially level.
  • the top of the screen and the bottom of the screen, where usually the grease filters are arranged, are thus parallel to the hob.
  • FIG. 1 shows a housing of an extractor hood according to the invention
  • FIG. 2 shows a core of the housing in cross section
  • FIG. 3 shows the core in a perspective view
  • FIG. 4 shows a connecting piece
  • Figure 5 shows the front portion of the screen in detail.
  • FIG. 1 shows a housing of an extractor hood according to the invention.
  • the housing comprises a substantially horizontal screen (1) and a fan housing (2) arranged in the middle region above the screen, which is shown with dashed lines. From the fan housing (2) upwards extends a fireplace, not shown.
  • a housing which is attached to the left side in the drawing on a wall.
  • the invention is equally applicable to the housing of so-called island food or Dreihauben that are attached to the ceiling and have no contact with a wall.
  • the top and a front portion (1a) of the screen are made of thin sheet steel with a thickness of about 0.8 mm.
  • Sheet metal of this strength is for itself not dimensionally stable, so that the use of such sheets for larger visible surfaces and as load-bearing components was previously not possible.
  • a core (3) is provided in the front region, inside the screen (1) formed of thin sheet metal, which extends over the entire width (b) of the screen.
  • the core (3) is designed as an aluminum extruded profile and has the required rigidity to determine the shape of the core (3) adjacent sheet.
  • On the sides of the screen (1) is in each case an edge profile (4), which determines the horizontal and vertical position of the core (3).
  • Placed on the core (3) are a plurality of connecting pieces (11) which exactly define the position of the sheet at the top of the screen (1).
  • housing for hoods in any width (b) can be produced.
  • the core (3) and the various sheets can be provided for this purpose in any length.
  • Design changes to the housing are not required for adaptation to different widths (b).
  • FIG. 2 shows the core (3) in cross-section.
  • the core (3) is a closed hollow profile.
  • this has a plurality of screw channels (6).
  • the screw channels (6) extend to the length of the entire core (3) and are sized in terms of gap width and depth so that tapping screws can be screwed into it.
  • Another shaft (7) serves to receive a cut edge of a sheet. Tolerances on the length of the sheet can be compensated by the sheet is inserted further or less far into the shaft.
  • the core (3) also has a receptacle for connecting pieces (see Figure 4), which serve to produce a defined distance between a voltage applied to the core sheet and a voltage applied to the connector plate.
  • FIG. 3 shows the core (3) in a perspective view. It can be seen here in particular that the core (3) has a cutout in the front region, which represents a receptacle (9) for operating elements. This receptacle (9) is preferably located in the middle of the core (3), based on the total length (b). A further cutout (10) has the core (3) on an inner surface. This section is used for Conduction of electrical lines which connect the display and control elements in the receptacle (9) with the fan housing (2).
  • Figure 4 shows a connecting piece (1 1), which is fitted with a bottom molded gap (12) on the receptacle (8) of the core (3).
  • a sheet which forms the top of the screen (1), rests on the top of the connecting piece (1 1) and is bent around its right in the drawing edge arranged backwards down.
  • the connector is made of plastic.
  • FIG 5 the front portion of the screen (1) is shown in detail.
  • a first plate (13) forms a convexly curved front portion of the screen (1).
  • the first plate (13) abuts defined support points (14) on the core (3), which defines the outer shape of the sheet at these support points (14).
  • the upper end of the first sheet (13) is inserted in the shaft (7).
  • a second plate (15) is arranged, which forms a gap (16) together with the upper side of the first plate (13).
  • the gap (16) has a defined thickness and serves as an air outlet nozzle. Air is supplied to this gap (16) via a space between an intermediate bottom (17) and the second plate (15).
  • the air flow (21) emerging from the gap (16) is initially directed obliquely upwards. Due to the Coanda effect, the air flow (21) to the curved front contour of the screen (1).
  • the air flow (21) detaches from the contour obliquely directed towards the rear below and serves to push the rising from the hob fumes back towards the grease filter (20) through which the vapor is sucked into the fan housing (2).
  • the operation of the extractor hood using the Coanda effect is described in detail in the not yet published patent application DE102007013319.9.
  • operating elements (18) are arranged on a receptacle (9) of the core (3).
  • Signalers are attached to the core (3) via an intermediate plate (19) connected to the
  • Core (3) is screwed to the internal screw channel (6).
  • the first sheet (13) is bolted to the core (3) on the two outer screw channels (6).

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Abstract

The subject matter of the invention is an exhaust hood housing, wherein the housing is constructed at least partly out of a thin, dimensionally unstable metal sheet (13,15). According to the invention, a dimensionally stable core (3) is provided which is arranged in the interior of the housing and is connected to the metal sheet (13). The metal sheet (13, 15) is designed as a steel sheet, preferably as a high-grade steel sheet. The core (3) is produced out of aluminum and has at least one defined support point (14) for the metal sheet (13).

Description

Gehäuse einer Dunstabzugshaube Housing of an extractor hood
Die Erfindung betrifft ein Gehäuse einer Dunstabzugshaube, wobei das Gehäuse zumindest teilweise aus einem dünnen Blech aufgebaut ist.The invention relates to a housing of a cooker hood, wherein the housing is at least partially constructed of a thin sheet metal.
Der Begriff Dunstabzugshaube bezieht sich im vorliegenden Zusammenhang auf alle Arten von Hauben und Essen, die über einer Kochstelle angeordnet sind und zum Absaugen des an der Kochstelle entstehenden Wrasen dienen. Die Formgebung und damit der optische Eindruck der Dunstabzugshaube werden maßgeblich durch das Gehäuse bestimmt, welches auch zur Aufnahme von Filtern, Lüftern und Bedienelemen- ten dient. Darüber hinaus stellt das Gehäuse ein tragendes Bauteil der Dunstabzugshaube dar und dient zur Aufnahme und Übertragung von Kräften, insb. der Gewichtskraft der Dunstabzugshaube selbst. Das Gehäuse oder Teile des Gehäuses dienen weiter zur Führung des Luft- bzw. Wrasenstroms innerhalb der Dunstabzugshaube.The term extractor hood refers in the present context to all types of hoods and food, which are arranged above a cooking point and serve to extract the vapors produced at the cooking point. The shape and thus the visual impression of the extractor hood are largely determined by the housing, which also serves to accommodate filters, fans and control elements. In addition, the housing is a supporting component of the hood and serves to absorb and transmit forces, esp. The weight of the extractor hood itself. The housing or parts of the housing continue to serve to guide the air or Wrasenstroms within the hood.
Im Stand der Technik ist es bekannt, das Gehäuse von Dunstabzugshauben aus dünnem Blech aufzubauen, das für sich genommen forminstabil ist. Die Stabilität des Gehäuses wird dabei häufig durch Knicken oder Falzen des Blechs hergestellt, wobei diese Knicke und Falze in der Regel in einem Randbereich des Gehäuses angeordnet sind und darüber hinaus das äußere Erscheinungsbild des Gehäuses beeinflussen. Im Stand der Technik sind bisher keine Dunstabzugshauben bekannt, deren Gehäuse aus dünnem, für sich genommen nicht formstabilem Blech aufgebaut ist, das über einen größeren Bereich frei von Knicken oder Falzen ist.In the prior art, it is known to construct the housing of extractor hoods made of thin sheet, which is inherently dimensionally unstable. The stability of the housing is often produced by kinking or folding of the sheet, these kinks and folds are usually arranged in an edge region of the housing and also influence the appearance of the housing. In the prior art so far no cooker hoods are known, the housing is constructed of thin, in itself not dimensionally stable sheet, which is free of kinking or folding over a larger area.
Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein Gehäuse einer Dunstabzugshaube zur Verfügung zu stellen, das aus dünnem Blech formstabil aufgebaut ist und unter Verzicht auf Knicke oder Falze eine weitgehend freie Formgebung ermöglicht.The present invention is therefore an object of the invention to provide a housing of a hood available that is made of thin sheet dimensionally stable and allows waiving kinks or folds a largely free shaping.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass ein formstabiler Kern vorge- sehen ist, der im Inneren des Gehäuses angeordnet und mit dem Blech verbunden ist.This object is achieved in that a dimensionally stable core is provided, which is arranged in the interior of the housing and connected to the sheet.
Der formstabile Kern ist von außen nicht sichtbar. Er legt die Form des dünnen Blechs fest und definiert damit die Formgebung des Gehäuses. Darüber hinaus stellt der Kern ein tragendes Bauteil des Gehäuses dar und dient zur Übertragung von Kräften.The dimensionally stable core is not visible from the outside. He puts the shape of the thin sheet firmly and thus defines the shape of the housing. In addition, the core is a supporting component of the housing and serves to transmit forces.
Zweckmäßigerweise ist das Blech als Stahlblech, vorzugsweise als Edelstahlblech ausgebildet, wobei insbesondere rostfreie Stähle verwendet werden. Das Blech weist eine Stärke zwischen 0,4 und 1 ,2 mm, vorzugsweise zwischen 0,6 und 1 ,0 mm auf. Bleche dieser Stärke weisen eine ausreichende Stabilität gegen plastische Verformung auf, bei gleichzeitig minimiertem Materialeinsatz.Conveniently, the sheet is formed as a steel sheet, preferably as a stainless steel sheet, in particular stainless steels are used. The sheet has a thickness between 0.4 and 1, 2 mm, preferably between 0.6 and 1, 0 mm. Sheets of this thickness have sufficient stability against plastic deformation, while minimizing the use of materials.
Mit besonderem Vorteil ist der Kern aus Aluminium ausgeführt. Der Werkstoff Aluminium besitzt ein niedriges spezifisches Gewicht und lässt sich in einfacher Weise spanend oder durch Umformung bearbeiten.With particular advantage, the core is made of aluminum. The material aluminum has a low specific weight and can be machined in a simple manner or by forming.
Mit besonderem Vorteil ist der Kern von einem Profil, vorzugsweise von einem Strangpressprofil gebildet. Durch Strangpressen können auch aufwändige Formen in einem einzigen Arbeitsschritt hergestellt werden.With particular advantage, the core of a profile, preferably formed by an extruded profile. By extrusion, even complex shapes can be produced in a single step.
Das Gewicht des Kerns kann bei gleichzeitig hoher Stabilität dadurch optimiert werden, dass der Kern von einem Hohlprofil gebildet ist.The weight of the core can be optimized while maintaining high stability, that the core is formed by a hollow profile.
Vorteilhafterweise weist der Kern mindestens eine definierte Auflagestelle für das Blech auf. An den Auflagestellen, an denen das Blech punktförmig oder flächig auf dem Kern aufliegt, sind die Lage und/oder die Form des Blechs durch den Kern vorgegeben. In anderen Worten ist das Blech auf den Kern aufgespannt, wobei es an den Auflagestellen auf dem Kern aufliegt.Advantageously, the core has at least one defined contact point for the metal sheet. At the support points at which the sheet rests punctiform or flat on the core, the position and / or the shape of the sheet are predetermined by the core. In other words, the sheet is clamped on the core, wherein it rests on the support points on the core.
Weiter weist der Kern mindestens einen Kanal und/oder mindestens eine Bohrung zur Aufnahme von Schrauben auf. In den Kanal bzw. in die Bohrungen können Blechschrauben eingeschraubt werden, um das dünne Blech an dem Kern zu fixieren. Sofern ein Kanal für die Schrauben vorgesehen ist, erstreckt sich dieser vorzugsweise in Längsrich- tung des Kerns. Er kann beispielsweise bereits während des Strangpressens mit hergestellt werden. Gleichermaßen vorteilhaft ist es, wenn der Kern mindestens einen Schacht aufweist, in den eine Kante des Blechs hineinragt. Der Schacht ist ebenfalls in Längsrichtung des Kerns ausgerichtet. Der Schacht fixiert die Lage der Kante des Blechs hinsichtlich der Position und der Ausrichtung. Er dient darüber hinaus zum Toleranzausgleich, da Längenabweichungen des Blechs lediglich die Einstecktiefe des Blechs in den Schacht beeinflussen, nicht aber die äußere Form des Gehäuses.Furthermore, the core has at least one channel and / or at least one bore for receiving screws. In the channel or in the holes tapping screws can be screwed to fix the thin sheet to the core. If a channel is provided for the screws, this preferably extends in the longitudinal direction of the core. For example, it can already be produced during extrusion. It is equally advantageous if the core has at least one slot into which an edge of the sheet projects. The well is also aligned longitudinally of the core. The shaft fixes the position of the edge of the sheet in terms of position and orientation. He also serves to compensate for tolerances, since length deviations of the sheet only affect the insertion depth of the sheet in the shaft, but not the outer shape of the housing.
Weiter weist der Kern mindestens eine Aufnahme für ein Bedienelement und/oder Anzeigeelement auf. Diese Elemente können an dem Kern befestigt werden, sodass an dem von außen sichtbaren Blech keine Befestigungselemente angeordnet werden müssen.Furthermore, the core has at least one receptacle for a control element and / or display element. These elements can be attached to the core, so that no fixing elements must be arranged on the sheet visible from the outside.
Darüber hinaus weist der Kern eine Aufnahme für mindestens ein Verbindungsstück auf, welches mit einem zweiten Blech verbunden ist. Bei dem Verbindungsstück handelt es sich um ein separates Bauteil, das einerseits mit dem Kern und andererseits mit dem zweiten Blech verbunden ist.In addition, the core has a receptacle for at least one connecting piece, which is connected to a second metal sheet. The connecting piece is a separate component which is connected on the one hand to the core and on the other hand to the second metal sheet.
Ein definierter Spalt zwischen den beiden Blechen kann dadurch realisiert werden, dass das Verbindungsstück als Abstandshalter ausgeführt ist, der einen Abstand des zweiten Blechs zu dem mit dem Kern verbundenen Blech definiert.A defined gap between the two sheets can be realized in that the connecting piece is designed as a spacer which defines a distance of the second sheet to the sheet metal connected to the core.
Der Abstand des zweiten Blechs zu dem mit dem Kern verbundenen Blech bildet einen Spalt zum Ausblasen eines Luftstroms. Der ausgeblasene Luftstrom beeinflusst die Strömungsverhältnisse im Bereich der Dunstabzugshaube. Insbesondere wird der von der Kochstelle aufsteigende Wrasen durch den Luftstrom nach hinten, in den Bereich der Ansaugöffnung der Dunstabzugshaube gedrückt. Der ausgeblasenen Luftstrom kann beispielsweise mittels des Coanda-Effekts in die gewünschte Richtung umgelenkt werden.The distance of the second sheet to the core connected to the core forms a gap for blowing an air stream. The blown air stream influences the flow conditions in the area of the extractor hood. In particular, the rising from the cooking fumes is forced by the air flow to the rear, in the region of the suction port of the hood. The blown air stream can be redirected, for example by means of the Coanda effect in the desired direction.
Um eine stabile Formgebung auch von breiten Dunstabzugshauben zu erreichen, ist der Kern vorzugsweise im Wesentlichen waagerecht angeordnet.In order to achieve stable shaping even of wide extractor hoods, the core is preferably arranged substantially horizontally.
Hierbei ist es vorteilhaft, wenn das Gehäuse der Dunstabzugshaube einen Schirm bildet und der Kern die Form eines Außenbereiches des Schirms definiert. Die Breite des Schirms erstreckt sich mindestens über das gesamte Kochfeld. An der Unterseite des Schirms befinden sich die Ansaugöffnungen, durch die der auf dem Kochfeld entstehende Wrasen angesaugt wird. Insbesondere die Oberseite des Schirms ist aus dem dünnen Blech ausgebildet und als flache Ebene ausgeführt. Der Kern dient dazu, eine unerwünschte Wölbung dieser Ebene zu vermeiden.In this case, it is advantageous if the housing of the extractor hood forms a screen and the core defines the shape of an outer area of the screen. The width of the screen extends over at least the entire hob. At the bottom of the Schirms are the suction, through which the fumes produced on the hob is sucked. In particular, the top of the screen is formed of the thin sheet and designed as a flat plane. The core serves to avoid unwanted curvature of this level.
Der Außenbereich des Schirms weist eine konvexe, vorzugsweise halbzylindrische Wölbung auf. Der Krümmungsradius dieser Wölbung ist durch den Kern definiert. Insbesondere ist sichergestellt, dass die Wölbung über die gesamte Breite des Schirms einen gleich bleibenden Krümmungsradius aufweist.The outer area of the screen has a convex, preferably semi-cylindrical curvature. The radius of curvature of this curvature is defined by the core. In particular, it is ensured that the curvature over the entire width of the screen has a constant radius of curvature.
Der Schirm ist im Wesentlichen waagerecht ausgerichtet. Die Oberseite des Schirms und die Unterseite des Schirms, an denen üblicherweise die Fettfilter angeordnet sind, sind damit parallel zum Kochfeld.The shade is essentially level. The top of the screen and the bottom of the screen, where usually the grease filters are arranged, are thus parallel to the hob.
Weitere Vorteile und Einzelheiten der Erfindung werden anhand des in den schemati- sehen Figuren dargestellten Ausführungsbeispieles näher erläutert. Dabei zeigtFurther advantages and details of the invention will be explained in more detail with reference to the embodiment shown in the schematic figures. It shows
Figur 1 ein Gehäuse einer erfindungsgemäßen Dunstabzugshaube,FIG. 1 shows a housing of an extractor hood according to the invention,
Figur 2 einen Kern des Gehäuses im Querschnitt,FIG. 2 shows a core of the housing in cross section,
Figur 3 den Kern in perspektivischer Ansicht, Figur 4 ein Verbindungsstück,3 shows the core in a perspective view, FIG. 4 shows a connecting piece,
Figur 5 den vorderen Abschnitt des Schirms im Detail.Figure 5 shows the front portion of the screen in detail.
Figur 1 zeigt ein Gehäuse einer erfindungsgemäßen Dunstabzugshaube. Das Gehäuse umfasst einen im Wesentlichen waagerechten Schirm (1 ) und ein im mittleren Bereich über dem Schirm angeordnetes Lüftergehäuse (2), welches mit gestrichelten Linien dargestellt ist. Von dem Lüftergehäuse (2) nach oben erstreckt sich ein nicht dargestellter Kamin. In der dargestellten Ausführungsform handelt es sich um ein Gehäuse, das mit der in der Zeichnung linken Seite an einer Wand befestigt wird. Die Erfindung ist gleichermaßen für die Gehäuse von so genannten Inselessen oder Inselhauben einsetzbar, die an der Raumdecke befestigt sind und keinen Kontakt zu einer Wand besitzen.FIG. 1 shows a housing of an extractor hood according to the invention. The housing comprises a substantially horizontal screen (1) and a fan housing (2) arranged in the middle region above the screen, which is shown with dashed lines. From the fan housing (2) upwards extends a fireplace, not shown. In the illustrated embodiment is a housing which is attached to the left side in the drawing on a wall. The invention is equally applicable to the housing of so-called island food or Inselhauben that are attached to the ceiling and have no contact with a wall.
Insbesondere die Oberseite und ein Frontbereich (1a) des Schirms sind aus dünnem Stahlblech mit einer Stärke von ca. 0,8 mm ausgeführt. Blech dieser Stärke ist für sich genommen nicht formstabil, sodass die Verwendung solcher Bleche für größere sichtbare Oberflächen und als tragende Bauteile bisher nicht möglich war. Erfindungsgemäß ist im vorderen Bereich, im Inneren des aus dünnem Blech ausgebildeten Schirms (1 ) ein Kern (3) vorgesehen, der sich über die gesamte Breite (b) des Schirms erstreckt. Der Kern (3) ist als Aluminium-Strangpressprofil ausgeführt und weist die erforderliche Steifigkeit auf, um die Form des am Kern (3) anliegenden Blechs festzulegen. An den Seiten des Schirms (1 ) befindet sich jeweils ein Randprofil (4), welches die horizontale und vertikale Lage des Kerns (3) festlegt. Auf dem Kern (3) aufgesteckt sind mehrere Verbindungsstücke (11 ) welche die Lage des Blechs an der Oberseite des Schirms (1 ) exakt definieren.In particular, the top and a front portion (1a) of the screen are made of thin sheet steel with a thickness of about 0.8 mm. Sheet metal of this strength is for itself not dimensionally stable, so that the use of such sheets for larger visible surfaces and as load-bearing components was previously not possible. According to the invention, a core (3) is provided in the front region, inside the screen (1) formed of thin sheet metal, which extends over the entire width (b) of the screen. The core (3) is designed as an aluminum extruded profile and has the required rigidity to determine the shape of the core (3) adjacent sheet. On the sides of the screen (1) is in each case an edge profile (4), which determines the horizontal and vertical position of the core (3). Placed on the core (3) are a plurality of connecting pieces (11) which exactly define the position of the sheet at the top of the screen (1).
In der erfindungsgemäßen Bauweise sind Gehäuse für Dunstabzugshauben in beliebiger Breite (b) herstellbar. Der Kern (3) und die verschiedenen Bleche können hierzu in beliebiger Länge bereitgestellt werden. Konstruktive Änderungen an dem Gehäuse sind für die Anpassung an verschiedene Breiten (b) nicht erforderlich.In the construction according to the invention housing for hoods in any width (b) can be produced. The core (3) and the various sheets can be provided for this purpose in any length. Design changes to the housing are not required for adaptation to different widths (b).
Figur 2 zeigt den Kern (3) im Querschnitt. Zu erkennen ist insbesondere die Ausführung des Kerns (3) als geschlossenes Hohlprofil. Zur Verbindung der Bleche mit dem Kern (3) weist dieser mehrere Schraubenkanäle (6) auf. Die Schraubenkanäle (6) erstrecken sich auf die Länge des gesamten Kerns (3) und sind hinsichtlich der Spaltbreite und -tiefe so bemessen, dass Blechschrauben in sie eingeschraubt werden können. Ein weiterer Schacht (7) dient zur Aufnahme einer Schnittkante eines Blechs. Toleranzen hinsichtlich der Länge des Blechs können dadurch ausgeglichen werden, dass das Blech weiter oder weniger weit in den Schacht eingesteckt wird.FIG. 2 shows the core (3) in cross-section. Evident is in particular the execution of the core (3) as a closed hollow profile. For connecting the sheets to the core (3), this has a plurality of screw channels (6). The screw channels (6) extend to the length of the entire core (3) and are sized in terms of gap width and depth so that tapping screws can be screwed into it. Another shaft (7) serves to receive a cut edge of a sheet. Tolerances on the length of the sheet can be compensated by the sheet is inserted further or less far into the shaft.
Der Kern (3) weist darüber hinaus eine Aufnahme für Verbindungsstücke (siehe Figur 4) auf, die dazu dienen, einen definierten Abstand zwischen einem an dem Kern anliegenden Blech und einem an dem Verbindungsstück anliegenden Blech herzustellen.The core (3) also has a receptacle for connecting pieces (see Figure 4), which serve to produce a defined distance between a voltage applied to the core sheet and a voltage applied to the connector plate.
Figur 3 zeigt den Kern (3) in perspektivischer Ansicht. Zu erkennen ist hier insbesondere, dass der Kern (3) im vorderen Bereich einen Ausschnitt aufweist, der eine Aufnahme (9) für Bedienelemente darstellt. Diese Aufnahme (9) befindet sich vorzugsweise in der Mitte des Kerns (3), bezogen auf dessen Gesamtlänge (b). Einen weiteren Ausschnitt (10) weist der Kern (3) auf einer innen liegenden Fläche auf. Dieser Ausschnitt dient zur Durchführung von elektrischen Leitungen, welche die Anzeige- und Bedienelemente in der Aufnahme (9) mit dem Lüftergehäuse (2) verbinden.FIG. 3 shows the core (3) in a perspective view. It can be seen here in particular that the core (3) has a cutout in the front region, which represents a receptacle (9) for operating elements. This receptacle (9) is preferably located in the middle of the core (3), based on the total length (b). A further cutout (10) has the core (3) on an inner surface. This section is used for Conduction of electrical lines which connect the display and control elements in the receptacle (9) with the fan housing (2).
Figur 4 zeigt ein Verbindungsstück (1 1 ), das mit einem unten angeformten Spalt (12) auf die Aufnahme (8) des Kerns (3) aufgesteckt wird. Ein Blech, das die Oberseite des Schirms (1 ) bildet, liegt auf der Oberseite des Verbindungsstücks (1 1 ) auf und ist um dessen in der Zeichnung rechts angeordnete Kante nach hinten unten gebogen. Das Verbindungsstück ist aus Kunststoff ausgebildet.Figure 4 shows a connecting piece (1 1), which is fitted with a bottom molded gap (12) on the receptacle (8) of the core (3). A sheet, which forms the top of the screen (1), rests on the top of the connecting piece (1 1) and is bent around its right in the drawing edge arranged backwards down. The connector is made of plastic.
In Figur 5 ist der vordere Abschnitt des Schirms (1 ) im Detail dargestellt. Zu erkennen ist der Kern (3) und ein auf den Kern (3) aufgestecktes Verbindungsstück (1 1 ). Ein erstes Blech (13) bildet einen konvex gewölbten Frontabschnitt des Schirms (1 ). Das erste Blech (13) liegt an definierten Auflagestellen (14) an dem Kern (3) an, welcher an diesen Auflagestellen (14) die äußere Form des Blechs vorgibt. Das obere Ende des ersten Blechs (13) ist in den Schacht (7) eingesteckt.In Figure 5, the front portion of the screen (1) is shown in detail. Evident is the core (3) and on the core (3) plugged connector (1 1). A first plate (13) forms a convexly curved front portion of the screen (1). The first plate (13) abuts defined support points (14) on the core (3), which defines the outer shape of the sheet at these support points (14). The upper end of the first sheet (13) is inserted in the shaft (7).
Oberhalb des Verbindungsstücks ist ein zweites Blech (15) angeordnet, das gemeinsam mit der Oberseite des ersten Blechs (13) einen Spalt (16) bildet. Der Spalt (16) weist eine definierte Stärke auf und dient als Luftaustrittsdüse. Luft wird diesem Spalt (16) über einem zwischen einem Zwischenboden (17) und dem zweiten Blech (15) vorhandenen Raum zugeführt. Der aus dem Spalt (16) austretende Luftstrom (21 ) ist zunächst schräg nach oben gerichtet. Aufgrund des Coanda-Effekts legt sich der Luftstrom (21 ) an die gewölbte vordere Kontur des Schirms (1 ) an. Der Luftstrom (21 ) löst sich von der Kontur schräg nach hinten unten gerichtet ab und dient dazu, den vom Kochfeld aufsteigenden Wrasen nach hinten in Richtung des Fettfilters (20) zu drücken, durch welchen der Wrasen in das Lüftergehäuse (2) angesaugt wird. Die Funktionsweise der Dunstabzugshaube unter Ausnutzung des Coanda-Effekts ist detailliert in der noch nicht veröffentlichten Patentanmeldung DE102007013319.9 beschrieben.Above the connecting piece, a second plate (15) is arranged, which forms a gap (16) together with the upper side of the first plate (13). The gap (16) has a defined thickness and serves as an air outlet nozzle. Air is supplied to this gap (16) via a space between an intermediate bottom (17) and the second plate (15). The air flow (21) emerging from the gap (16) is initially directed obliquely upwards. Due to the Coanda effect, the air flow (21) to the curved front contour of the screen (1). The air flow (21) detaches from the contour obliquely directed towards the rear below and serves to push the rising from the hob fumes back towards the grease filter (20) through which the vapor is sucked into the fan housing (2). The operation of the extractor hood using the Coanda effect is described in detail in the not yet published patent application DE102007013319.9.
In der Figur 5 ist weiter zu erkennen, dass an einer Aufnahme (9) des Kerns (3) Bedien- elemente (18) angeordnet sind. Die Bedienelemente mit den zugehörigen elektrischenIt can also be seen in FIG. 5 that operating elements (18) are arranged on a receptacle (9) of the core (3). The controls with the associated electrical
Signalgebern sind an dem Kern (3) über ein Zwischenblech (19) befestigt, das mit demSignalers are attached to the core (3) via an intermediate plate (19) connected to the
Kern (3) an dem innen liegenden Schraubenkanal (6) verschraubt ist. Das erste Blech (13) ist mit dem Kern (3) an den beiden außen liegenden Schraubenkanälen (6) verschraubt.Core (3) is screwed to the internal screw channel (6). The first sheet (13) is bolted to the core (3) on the two outer screw channels (6).
In Figur 5 ist darüber hinaus abgebildet, wie die Unterseite des Schirms (1 ) durch einen Fettfilter (20) abgeschlossen ist. Durch den Fettfilter (20) wird der Wrasen angesaugt und - abgesehen von dem zu dem Spalt (16) geführten Strom - vollständig über das Lüftergehäuse (2) ins Freie befördert. In Figure 5 is also shown how the underside of the screen (1) is closed by a grease filter (20). Through the grease filter (20) of the vapor is sucked and - apart from the power to the gap (16) out current - completely transported via the fan housing (2) to the outside.
BezuqszeichenhsteBezuqszeichenhste
(1 ) Schirm(1) screen
(1a) Frontbereich(1a) front area
(2) Lüftergehäuse(2) Fan housing
(3) Kern(3) core
(b) Breite(b) width
(4) Randprofil(4) edge profile
(6) Schraubenkanäle(6) screw channels
(7) Schacht(7) shaft
(8) Aufnahme(8) Recording
(9) Aufnahme(9) Recording
(10) Ausschnitt(10) section
(11 ) Verbindungsstück(11) Connector
(12) Spalt(12) gap
(13) 1. Blech(13) 1. Sheet metal
(14) Auflagestellen(14) Supports
(15) 2. Blech(15) 2. Sheet metal
(16) Spalt(16) gap
(17) Zwischenboden(17) intermediate floor
(18) Bedienelemente(18) Controls
(19) Zwischenblech(19) Intermediate sheet
(20) Fettfilter(20) grease filter
(21 ) Luftstrom (21) Airflow

Claims

PATENTANSPRÜCHE
1. Gehäuse einer Dunstabzugshaube, wobei das Gehäuse zumindest teilweise aus einem dünnen Blech (13, 15) aufgebaut ist, dadurch gekennzeichnet, dass ein formstabiler Kern (3) vorgesehen ist, der im Inneren des Gehäuses angeordnet und mit dem Blech (13) verbunden ist.1. Housing a cooker hood, wherein the housing is at least partially constructed of a thin sheet (13, 15), characterized in that a dimensionally stable core (3) is provided, which is arranged in the interior of the housing and connected to the plate (13) is.
2. Gehäuse nach Anspruch 1 , dadurch gekennzeichnet, dass das Blech (13, 15) als Stahlblech, vorzugsweise als Edelstahlblech ausgebildet ist.2. Housing according to claim 1, characterized in that the sheet (13, 15) is designed as a steel sheet, preferably as a stainless steel sheet.
3. Gehäuse nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Blech eine Stärke zwischen 0,4 und 1 ,2 mm, vorzugsweise zwischen 0,6 und 1 ,0 mm aufweist.3. Housing according to claim 1 or 2, characterized in that the sheet has a thickness between 0.4 and 1, 2 mm, preferably between 0.6 and 1, 0 mm.
4. Gehäuse nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Kern (3) aus Aluminium ausgeführt ist.4. Housing according to one of claims 1 to 3, characterized in that the core (3) is made of aluminum.
5. Gehäuse nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Kern (3) von einem Profil, vorzugsweise von einem Strangpressprofil gebildet ist.5. Housing according to one of claims 1 to 4, characterized in that the core (3) is formed by a profile, preferably by an extruded profile.
6. Gehäuse nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Kern (3) von einem Hohlprofil gebildet ist.6. Housing according to one of claims 1 to 5, characterized in that the core (3) is formed by a hollow profile.
7. Gehäuse nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Kern (3) mindestens eine definierte Auflagestelle (14) für das Blech (13) aufweist.7. Housing according to one of claims 1 to 6, characterized in that the core (3) has at least one defined support point (14) for the metal sheet (13).
8. Gehäuse nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Kern (3) mindestens einen Kanal (6) und/oder mindestens eine Bohrungen zur Aufnahme von Schrauben aufweist.8. Housing according to one of claims 1 to 7, characterized in that the core (3) has at least one channel (6) and / or at least one bore for receiving screws.
9. Gehäuse nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Kern (3) mindestens einen Schacht (7) aufweist, in den eine Kante des Blechs (13) hineinragt.9. Housing according to one of claims 1 to 8, characterized in that the core (3) has at least one slot (7) into which an edge of the sheet (13) protrudes.
10. Gehäuse nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der Kern (3) mindestens eine Aufnahme (9) für mindestens ein Bedienelement (18) und/oder mindestens ein Anzeigeelement aufweist.10. Housing according to one of claims 1 to 9, characterized in that the core (3) has at least one receptacle (9) for at least one operating element (18) and / or at least one display element.
11. Gehäuse nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der Kern (3) eine Aufnahme (8) für mindestens ein Verbindungsstück (1 1 ) aufweist, welches mit einem zweiten Blech (15) verbunden ist.11. Housing according to one of claims 1 to 10, characterized in that the core (3) has a receptacle (8) for at least one connecting piece (1 1) which is connected to a second plate (15).
12. Gehäuse nach einem der Ansprüche 1 bis 11 , dadurch gekennzeichnet, dass das Verbindungsstück (1 1 ) als Abstandshalter ausgeführt ist, der einen Abstand des zweiten Blechs (15) zu dem mit dem Kern (3) verbundenen Blech (13) definiert.12. Housing according to one of claims 1 to 11, characterized in that the connecting piece (1 1) is designed as a spacer, which defines a distance of the second sheet (15) to the core (3) connected to the sheet (13).
13. Gehäuse nach Anspruch 12, dadurch gekennzeichnet, dass der Abstand des zweiten Blechs (15) zu dem mit dem Kern (3) verbundenen Blech (13) einen Spalt13. Housing according to claim 12, characterized in that the distance of the second sheet (15) to the core (3) connected to the sheet (13) has a gap
(16) zum Ausblasen eines Luftstroms bildet.(16) forms to blow out an air stream.
14. Gehäuse nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass der Kern (3) im Wesentlichen waagrecht angeordnet ist.14. Housing according to one of claims 1 to 13, characterized in that the core (3) is arranged substantially horizontally.
15. Gehäuse nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass das Gehäuse der Dunstabzugshaube einen Schirm (1 ) bildet und der Kern (3) die Form eines Außenbereichs des Schirms (1 ) definiert.15. Housing according to one of claims 1 to 14, characterized in that the housing of the extractor hood forms a screen (1) and the core (3) defines the shape of an outer region of the screen (1).
16. Gehäuse nach Anspruch 15, dadurch gekennzeichnet, dass der Außenbereich des Schirms (1 ) eine konvexe, vorzugsweise halbzylindrische Wölbung aufweist.16. Housing according to claim 15, characterized in that the outer region of the screen (1) has a convex, preferably semi-cylindrical curvature.
1 7. Gehäuse nach Anspruch 15 oder 16, dadurch gekennzeichnet, dass der Schirm (1 ) im Wesentlichen waagrecht ausgerichtet ist. 1 7. Housing according to claim 15 or 16, characterized in that the screen (1) is aligned substantially horizontally.
EP08803013.5A 2007-08-22 2008-08-12 Exhaust hood housing Not-in-force EP2191204B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710039634 DE102007039634A1 (en) 2007-08-22 2007-08-22 Housing of an extractor hood
PCT/EP2008/060579 WO2009024505A1 (en) 2007-08-22 2008-08-12 Exhaust hood housing

Publications (2)

Publication Number Publication Date
EP2191204A1 true EP2191204A1 (en) 2010-06-02
EP2191204B1 EP2191204B1 (en) 2014-12-31

Family

ID=39810115

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08803013.5A Not-in-force EP2191204B1 (en) 2007-08-22 2008-08-12 Exhaust hood housing

Country Status (3)

Country Link
EP (1) EP2191204B1 (en)
DE (1) DE102007039634A1 (en)
WO (1) WO2009024505A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007039635A1 (en) * 2007-03-20 2008-09-25 BSH Bosch und Siemens Hausgeräte GmbH Hood
CN104235915B (en) * 2013-06-21 2017-04-05 美的集团股份有限公司 Smoke exhaust ventilator, for its panel assembly and front shroud and preparation method thereof

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Publication number Priority date Publication date Assignee Title
FR2766112B1 (en) 1997-07-17 1999-10-15 Air France EFFLUENT SENSOR FOR PROFESSIONAL KITCHENS
DE19809560A1 (en) * 1998-03-05 1999-09-09 Bosch Siemens Hausgeraete Extractor hood for hotplates
DE19839072A1 (en) * 1998-08-27 2000-03-02 Bsh Bosch Siemens Hausgeraete Extractor hood profile system
DE10142787B4 (en) * 2001-08-31 2006-04-13 Bulthaup Gmbh & Co. Kg suction
KR100644837B1 (en) * 2004-11-10 2006-11-10 엘지전자 주식회사 Exhaust Hood
KR100600731B1 (en) * 2004-12-15 2006-07-18 엘지전자 주식회사 Exhaust Hood
KR100608704B1 (en) * 2004-12-20 2006-08-08 엘지전자 주식회사 Walljet ventilation apparatus for kitchen hood
CN2773508Y (en) * 2005-01-27 2006-04-19 佛山市顺德区万和集团有限公司 Casing of cooker hood
KR100741783B1 (en) * 2005-07-12 2007-07-24 엘지전자 주식회사 Exhaust hood
EP1757864B1 (en) * 2005-08-22 2015-05-06 LG Electronics Inc. Exhaust hood
DE102007039635A1 (en) 2007-03-20 2008-09-25 BSH Bosch und Siemens Hausgeräte GmbH Hood

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WO2009024505A1 (en) 2009-02-26
EP2191204B1 (en) 2014-12-31

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