EP3101350A1 - Fan housing for extractor hood, fan unit for an extractor hood and extractor hood - Google Patents
Fan housing for extractor hood, fan unit for an extractor hood and extractor hood Download PDFInfo
- Publication number
- EP3101350A1 EP3101350A1 EP16170057.0A EP16170057A EP3101350A1 EP 3101350 A1 EP3101350 A1 EP 3101350A1 EP 16170057 A EP16170057 A EP 16170057A EP 3101350 A1 EP3101350 A1 EP 3101350A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fan
- housing
- fan housing
- fastening device
- extractor hood
- 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
Links
- 238000010276 construction Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001331 nose Anatomy 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking
Definitions
- the present invention relates to a fan housing for an extractor hood, a fan unit for an extractor hood and an extractor hood with a fan unit.
- fans are used to generate an air flow in the hood.
- the one or more fans are housed in so-called fan housings, which can represent in particular screw housing or spiral housing.
- Two fans also use so-called double spiral housings.
- the fan housing surrounds the fan, which is usually designed as a radial fan, and ensures a targeted air flow from the air inlet opening to the air outlet.
- the fan is screwed in this case usually known fan units to the fan housing.
- Object of the present invention is therefore to provide a solution by means of which a fan with low installation costs can be reliably attached to a fan housing.
- the invention is based on the finding that this object can be achieved by attaching the fan or the fan by inserting it into a geometry on the fan housing.
- the invention therefore relates to a fan housing for an extractor hood, which has at least one fastening device for fastening a fan to the fan housing.
- the fan housing is characterized in that the fan housing consists of at least two housing parts, comprising an upper part and a lower part of the fan housing, and the fastening device is formed in the region of the parting plane of the at least two housing parts in at least one of the housing parts.
- a fan housing for an extractor hood is here understood to mean a housing that at least partially surrounds the fan and channels the supply air flow and exhaust air flow to and from the fan.
- the fan housing surrounds the fan and in particular the fan of the fan at least partially.
- the fan housing may have a spiral shape or helical shape, at least in the interior.
- the fan which can also be referred to as a fan, preferably represents a radial fan.
- the fan in particular comprises a fan motor and a fan wheel.
- the fan motor is an external rotor motor and the fan is connected to the external rotor.
- the fan housing has at least one fastening device for fastening a fan to the fan housing.
- a fastening device in this case a device is referred to, which can accommodate at least a portion of the fan or a connecting device connected thereto.
- the fan housing according to the invention consists of at least two, preferably two housing parts, which are also referred to below as parts.
- the housing parts may be made of plastic or metal.
- the housing parts together define an interior in which the fan is received and through which the air can flow. Furthermore, by at least one of the two housing parts and an air outlet, which is in particular designed as a Beerauslassstutzen formed.
- one of the housing parts constitutes an upper part and one of the housing parts forms a lower part.
- the lower part here is a housing part which merely forms a circular segment or spiral segment of the inner space.
- the upper part of the housing part is called, which forms a circular segment or spiral segment and in addition the air outlet, in particular a supply to an air outlet or the air outlet.
- the fan housing is preferably used in an extractor hood so that the air outlet points upwards.
- the fastening device is provided according to the invention in the region of the parting plane of the at least two housing parts.
- the region of the parting plane means in this context that the fastening device protrude into the parting plane or can be arranged at a small distance from the parting plane.
- the plane of separation is the plane on which the housing parts rest against one another. At the lower part, therefore, the upper side represents the dividing plane and at the upper part the underside represents the dividing plane.
- the fastening device is formed in at least one of the housing parts.
- the fastening device is an integral part of the housing part.
- the fastening device can represent, for example, a bulge of the rear wall.
- the wall of the fan housing is referred to, which represents a closed wall after assembly of the fan housing.
- an air inlet opening is provided in the front wall of the fan housing.
- the fan housing according to the invention is designed in several parts, in particular two parts and a fastening device is provided in the region of the parting plane of the housing parts, a number of advantages can be achieved.
- a multi-part construction of the fan housing its manufacture is simplified.
- cavities, in particular the interior of the fan housing, that is to say the spiral space can be produced in a simple manner.
- the fastening device is provided in the region of the parting plane, a receptacle, in particular a receiving space can be created by joining the housing parts, which is closed after assembly of the housing parts.
- the fan can be attached to the fan housing by inserting or hooking into the fastening device in a simple manner.
- the fastening device is formed in at least one of the housing parts, providing further fastening means, such as screws, for the attachment of the fan to the fan housing is not required, thereby reducing the assembly time and the variety of parts reduce.
- the fastening device extends in the height direction of the fan housing.
- the fastening device also has a propagation in the width direction of the fan housing.
- the separation plane of the fan housing is in or parallel to the axis of rotation of the fan.
- the fan housing consists of an upper part and a lower part, wherein in the upper part in particular an air outlet is provided or is formed on this.
- the lower part of the fan housing faces the suction opening of the extractor hood and thus the underside of the extractor hood in the mounted state.
- the fan housing according to the invention consists of an upper part and a lower part, further advantages can be achieved.
- the cohesion of the two housing parts is supported by the weight.
- the parting plane can be provided in the plane in which the axis of the fan inserted into the fan housing is located.
- the fastening device which is located in the region of the parting plane, in the vicinity of the axis of the fan attack, thus providing a reliable attachment.
- fastening device comprises a fastening geometry, which is provided at least partially in the upper part and adjoins the parting plane and / or is provided at least in the lower part and adjoins the parting plane. If areas of the attachment geometry are provided in both housing parts, then the part of the attachment geometry in the upper part is referred to as the upper attachment geometry and the part of the attachment geometry in the lower part is referred to as the lower attachment geometry.
- attachment geometry is a shape of the housing understood in the at least part of the fan or a connecting device of the fan can be at least partially received and prevents at least a rotation of the fan or the connecting device about the axis of the fan.
- the attachment geometry may in particular represent indentations or elevations on the housing part or parts.
- the fastening device has at least one receiving space for receiving at least a part of a connecting device, the fan and the receiving space preferably extends in the height direction of the fan housing.
- a receiving space in this case a space is referred to, which is preferably open on only one side.
- the receiving space is oriented so that its open side faces the parting plane.
- a receiving space can be formed by joining the two housing parts, which extends from the parting plane upwards and downwards.
- the receiving space (s) are preferably aligned perpendicular to the axis of the fan held in the housing.
- a connecting device of the fan In the receiving space, at least part of a connecting device of the fan is preferably accommodated.
- the connecting device of the fan according to the invention can also be referred to as a bearing plate.
- the connecting device in this case represents a device to which the fan, in particular the stator of the fan motor is attached and which further has at least one connecting part which serves for attachment to the fan housing.
- the connecting part preferably constitutes a connecting plate, which is also referred to as a plate.
- the receiving space is formed between an outer wall of the housing part and an inner wall of the housing part of the fan housing.
- this receiving space is preferably with its open side of the parting line facing the fan housing.
- the fastening device as a receiving space can be ensured by inserting a connecting part between these two walls, a stop of the fan in the axial direction.
- the outer wall and inner wall of the housing part may extend over the entire rear wall of the housing part.
- the outer wall or inner wall is provided only in the region of the fastening device.
- the fastening device has a fastening geometry, which deviates or whose cross-section along the height direction of the fan housing from a rotationally symmetrical geometry, in particular has bulges.
- the fixing device has a geometry which deviates from a rotationally symmetrical geometry, a rotation of the fan about its axis in the fan housing can be prevented.
- the connecting part or another part of the fan or a connecting device, which is received in the fastening device in this case preferably has a corresponding counter-geometry, that is, represents the negative shape of the geometry of the fastening device.
- a cable channel is formed on at least part of the parting plane. Since the housing is multi-part and is joined together at the parting plane, the cable, which in particular is intended to run from the fan to a board provided on the outside of the housing, can be placed between the housing parts during assembly. After assembling and preferably connecting the housing parts together, the cable is then securely held. The provision of a separate cable channel or other cable management can be omitted, whereby the variety of parts is further reduced.
- a closure element for connecting the two housing parts is provided on at least one of the housing parts of the fan housing.
- the closure element may, for example, constitute a latching nose which can engage on a corresponding latching edge on the further housing part.
- the closure element is provided on the or the housing parts, the variety of parts and thus the assembly are further simplified.
- the present invention relates to a fan unit, which has a fan housing according to the invention.
- the fan unit further comprises at least one fan which is fixed in the fan housing to the at least one fastening device.
- a fan unit thus a fan housing is referred to therein fan or recorded fans.
- the fan unit can be a preassembled unit that is installed as a single unit in the cooker hood when the cooker hood is mounted.
- the fan is a radial fan.
- a connecting device is preferably provided on the fan, which comprises at least one connecting part, which is at least partially accommodated in the at least one fastening device of the fan housing.
- the connecting device which is also referred to as a bearing plate, is preferably attached to the fan and in particular to the stator of the fan motor.
- the connecting device or the end shield consists of a connecting element and a connecting part which is fastened to the connecting element.
- the connecting element preferably has a shaft receptacle for receiving the shaft of the fan motor and radially extending from the shaft receiving support arms.
- the connecting part is preferably a connecting plate.
- the connecting plate may be screwed to the support arms or the shaft receptacle.
- the support arms are preferably bent at their radial ends in a direction that faces away from the connection plate.
- the connecting part After attaching the connecting device to the fan, the connecting part preferably projects beyond the axial end of the fan and is preferably perpendicular to the axis of the fan. If the connecting part is a plate, it is preferably parallel to the axial end of the fan and at a distance from the axial end. This arrangement of the connecting part, this can easily in appropriate mounting geometries of the fan housing are introduced without that the fan rests against the wall of the fan housing, in particular the rear wall.
- the connecting part in particular the connecting plate has a contour corresponding to the mounting geometry of the fastening device to the fan housing. In this way, engagement of the connecting part in the fastening device and the thus formed grip between the fan and housing can be improved.
- the invention relates to an extractor hood, which is characterized in that it comprises a fan unit according to the invention.
- FIG. 1 an embodiment of an extractor hood 1 according to the invention is shown.
- the extractor hood 1 comprises a fan housing 11, a vapor extraction housing 10 which adjoins the fan housing 11 at the bottom and a vapor shield 17 arranged below the vapor extraction housing 10.
- the construction of the extractor hood 1, which is shown in FIG. 1 is shown and represents a flat-screen hood, which can be installed, for example, in a wall unit of a kitchenette, is merely exemplary.
- the extractor hood 1 may also have a deviating structure and represent, for example, a food.
- a suction opening (not visible) is provided, via which fumes and vapor can be drawn into the interior of the extractor hood 1.
- a filter element (not shown) is preferably introduced.
- the extractor housing 10 has in the illustrated embodiment a box shape and is open at the top and bottom. Above the extractor housing 10, a fan unit 100 is arranged, from the in FIG. 1 only the fan housing 11 can be seen.
- the side walls and the front wall of the extractor housing 10 may be higher compared to the rear wall of the extractor housing 10 and partially engage with the above the extractor housing 10 arranged fan housing 11.
- the fan housing 11 consists of a lower housing part 111, which is also referred to below as the lower part, and an upper housing part 110, which is also referred to below as the upper part.
- an air outlet in the form of a Beerauslassstutzens 12 is formed.
- the upper part 110 and the lower part 111 of the fan housing 11 are fastened to each other via closure means 14.
- the closure means 14 comprise latching noses which extend from the one housing part 110, 111 to the respective other housing part 111, 110.
- the latching lugs can engage in a latching geometry provided on the respective other housing part 111, 110 and thus fix the two housing parts 110, 111 together.
- the plane in which the two housing parts 110, 111 rest against one another is also referred to as the parting plane T.
- the parting plane T lies in the illustrated embodiment on the upper side of the lower part 111 and the underside of the upper part 110.
- a receptacle 161 for a control board (not shown) is provided centrally.
- the fan housing 11 has a fastening device 13 for fastening at least one fan 15 to the fan housing 11.
- the fastening device 13 is, as in FIG. 1 shown, in the region of the parting plane T of the at least two housing parts 110, 110 formed in the upper part 110 and the lower part 111.
- the lower and upper mounting geometry adjoin the parting plane T.
- a screw contour is formed by the two housing parts 110, 111, which may also be referred to as a spiral contour, wherein the upper part of the screw contour 1101 is formed in the upper part 110 and the lower part of the screw contour 1111 in the lower part 111 of the fan housing ,
- the interior of the fan housing 11 is in the illustrated embodiment is a double spiral housing.
- FIG. 2 For example, one embodiment of the fan unit 100 is shown in an open condition. In this view, the recorded in the fan housing 11 fan 15 can be seen. In the embodiment of the FIGS. 1 and 2 , two fans 15 are accommodated in the fan housing 11. But it is also possible to use a fan unit 100, in which only one fan 15 is provided in the fan housing 11. In this case, preferably only one spiral contour is formed in the fan housing 11.
- Each of the fans 15 has a fan wheel 150 which is attached to a fan motor 151.
- the fan motor 151 is an external rotor motor and the fan 150 is fixed to the rotor.
- the internal stator of the fan motor 151 is fastened to the fan housing 11 via a connecting device 152, which is also referred to as a bearing plate.
- a connecting plate 1520 protrudes beyond the axial end of the fan and is perpendicular to the axis of the fan 15th
- the connecting device 152 comprises a connecting part 1520, which is formed in the illustrated embodiment as a plate and is therefore hereinafter also referred to as a connecting plate.
- the connecting plate 1520 is shown in dashed form, since it is received in a receiving space 132 of the fastening device 13 and in the interior view, the in FIG. 3 is shown would not be visible.
- the connecting device comprises a connecting element 153.
- the connecting element 153 has centrally a shaft receptacle 1530, in which the shaft of the fan motor 151 can be accommodated. From the shaft receptacle 1530 extend in the illustrated embodiment, three support arms 1531 radially outward.
- the connecting plate 1520 extends parallel to the shaft receiving 1530 of the connecting device 152.
- the connecting plate 1520 has an arrow shape.
- the connection plate 1520 has three projections 1522 extending outwardly from the base plate 1521 in the plane of the connection plate 1520. At the view in FIG. 3 a projection 1522 is directed upward and the other two projections 1522 down.
- the connecting plate 1520 may be formed on the connecting element 153. In the illustrated embodiment, however, the connecting plate 1520 is connected to the connecting element 153 via fastening elements, in particular screws (not visible).
- a detent 1523 is also provided on the inside of the connecting part 1520, that is, the connecting plate. As is clear from the Figures 3 and 4 results, this catch engages 1523 with a corresponding recess in the rear wall R of the upper part 110 and thus fixes the connecting part 1520 on the fan housing 11th
- connection plate 1520 has a base plate 1521 and protrusions 1522 protruding outward therefrom.
- the shape of the connection plate 1520 thus deviates from a rotationally symmetric geometry.
- the attachment geometry 130, 130 is not rotationally symmetrical.
- each have a receiving space 132 is formed.
- the receiving space 132 serves to receive at least part of the connecting device 152 of the fan 15, in particular the connecting plate 1520.
- the receiving space 132 extends in the height direction of the fan housing 11.
- the receiving space 132 has an inner shape that corresponds to the outer contour of the connecting part 1520.
- FIG. 4 shown representation is thus in the lower housing part 111, which in FIG. 4 On the left, a receiving space 132 is formed, which surrounds the lower part of the base plate 1521 and the two projections 1522 on the underside of the connecting plate 1520.
- the shape of the receiving space 132 is also from the FIG. 3 refer to. Due to the shape of the receiving space 132, the connecting part 1520 and thus the connecting device 152 can be prevented from rotating about the axis of the fan 15 and the fan 15 connected to the connecting device 152 is thus securely held on the fan housing 11.
- the receiving space 132 is formed between the inner wall 113 and the outer wall 112 of the housing part 110, 111.
- the open side of the receiving space 132 faces the parting plane T.
- FIG. 2 in the illustrated embodiment, the fastening devices 13 for the left and the right fan mirrored each other vertically.
- the upper and lower attachment geometry 130, 131 as in FIGS Figures 3 and 4 shown designed.
- the top attachment geometry 130 in the top 110 is shaped to receive the top of the base 1521 and the top 1522 of the connection plate 1520.
- the lower attachment geometry 131 in the lower part 111 is shaped to receive the lower part of the base plate 1521 and the two lower projections 1522 of the connection plate 1520.
- the right fan 15 by held a mounting geometry in which two protrusions 133 are provided in the receiving area 132 upwards into which the two projections 1522 of a connecting part 1520 can be accommodated. In contrast, only one bulge 133 is provided in the lower attachment geometry 131.
- a spring-groove connection between the two housing parts 110, 111 is formed at least over part of the contact surface.
- the escape of air over the contact surface can be prevented.
- a recess in the upper part 110 which serves as a cable channel 16 after assembly of the housing parts 110, 111.
- the assembly assembly of the motors that is, the respective fan on which a connecting device is provided, are inserted into the fan housing according to the invention.
- the fans and in particular the connecting devices are inserted at the fans in the upper part, in which also already the geometry for receiving the connecting device and in particular the connecting plate is shown.
- the fans are inserted perpendicular to the axis in the housing part.
- the connection cables of the motors are inserted into the cable guide, which prevents the accessibility of the cable to the user of the extractor hood.
- the lower part is pushed onto the upper part, by the closure means clamp the two housing parts together and the motors position themselves between the two housing parts, which are preferably plastic parts.
- a spring-groove connection is used.
- the invention has been described essentially with reference to a fan unit with two fans. However, it is also within the scope of the invention to provide the fan unit only with a fan wherein the interior of the fan housing then represents a simple spiral housing.
- the present invention has a number of advantages.
- the assembly time is reduced.
- the fact that no screws are necessary, the Part number can be reduced.
- an integrated cable guide in the parting plane can be created, whereby further additional parts, such as cable channels are not necessary.
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Abstract
Die vorliegende Erfindung betrifft ein Lüftergehäuse für eine Dunstabzugshaube (1), das zumindest eine Befestigungsvorrichtung (13) zur Befestigung von mindestens einem Lüfter (15) an dem Lüftergehäuse (11) aufweist. Das Lüftergehäuse ist dadurch gekennzeichnet, dass das Lüftergehäuse (11) aus mindestens zwei Gehäuseteilen (110, 111) besteht, die ein Oberteil (110) und ein Unterteil (111) des Lüftergehäuses (11) umfassen, und die Befestigungsvorrichtung (13) im Bereich der Trennebene (T) der mindestens zwei Gehäuseteile (110, 111) in mindestens einem der Gehäuseteile (110, 111) gebildet ist. Weiterhin betrifft die Erfindung eine Lüftereinheit (100) mit einem solchen Lüftergehäuse (11) und eine Dunstabzugshaube (1) mit einer solchen Lüftereinheit (100).The present invention relates to a fan housing for an extractor hood (1), which has at least one fastening device (13) for fastening at least one fan (15) to the fan housing (11). The fan housing is characterized in that the fan housing (11) consists of at least two housing parts (110, 111) comprising an upper part (110) and a lower part (111) of the fan housing (11), and the fastening device (13) in the area the parting plane (T) of the at least two housing parts (110, 111) is formed in at least one of the housing parts (110, 111). Furthermore, the invention relates to a fan unit (100) with such a fan housing (11) and an extractor hood (1) with such a fan unit (100).
Description
Die vorliegende Erfindung betrifft ein Lüftergehäuse für eine Dunstabzugshaube, eine Lüftereinheit für eine Dunstabzugshaube sowie eine Dunstabzugshaube mit einer Lüftereinheit.The present invention relates to a fan housing for an extractor hood, a fan unit for an extractor hood and an extractor hood with a fan unit.
Bei Dunstabzugshauben werden zur Erzeugung eines Luftstroms in der Dunstabzugshaube Lüfter eingesetzt. Der oder die Lüfter sind in sogenannten Lüftergehäusen aufgenommen, die insbesondere Schneckengehäuse beziehungsweise Spiralgehäuse darstellen können. Bei zwei Lüftern kommen auch sogenannte Doppelspiralgehäuse zum Einsatz.In extractor hoods fans are used to generate an air flow in the hood. The one or more fans are housed in so-called fan housings, which can represent in particular screw housing or spiral housing. Two fans also use so-called double spiral housings.
Das Lüftergehäuse umgibt den Lüfter, der in der Regel als Radiallüfter ausgestaltet ist, und sorgt für eine gezielte Luftführung von der Lufteinlassöffnung zu dem Luftauslass.The fan housing surrounds the fan, which is usually designed as a radial fan, and ensures a targeted air flow from the air inlet opening to the air outlet.
Der Lüfter wird bei bekannten Lüftereinheiten hierbei in der Regel an dem Lüftergehäuse angeschraubt.The fan is screwed in this case usually known fan units to the fan housing.
Ein Nachteil dieser Lüftereinheiten liegt in dem erhöhten Montageaufwand.A disadvantage of these fan units is the increased installation costs.
Aufgabe der vorliegenden Erfindung ist es daher eine Lösung zu schaffen, mittels derer ein Lüfter mit geringem Montageaufwand an einem Lüftergehäuse zuverlässig befestigt werden kann.Object of the present invention is therefore to provide a solution by means of which a fan with low installation costs can be reliably attached to a fan housing.
Der Erfindung liegt die Erkenntnis zugrunde, dass diese Aufgabe gelöst werden kann, indem der Lüfter oder die Lüfter durch Einschieben in eine Geometrie an dem Lüftergehäuse befestigt wird.The invention is based on the finding that this object can be achieved by attaching the fan or the fan by inserting it into a geometry on the fan housing.
Gemäß einem ersten Aspekt betrifft die Erfindung daher ein Lüftergehäuse für eine Dunstabzugshaube, das zumindest eine Befestigungsvorrichtung zur Befestigung von einem Lüfter an dem Lüftergehäuse aufweist. Das Lüftergehäuse ist dadurch gekennzeichnet, dass das Lüftergehäuse aus mindestens zwei Gehäuseteilen besteht, die ein Oberteil und ein Unterteil des Lüftergehäuses umfassen, und die Befestigungsvorrichtung im Bereich der Trennebene der mindestens zwei Gehäuseteile in mindestens einem der Gehäuseteile gebildet ist.According to a first aspect, the invention therefore relates to a fan housing for an extractor hood, which has at least one fastening device for fastening a fan to the fan housing. The fan housing is characterized in that the fan housing consists of at least two housing parts, comprising an upper part and a lower part of the fan housing, and the fastening device is formed in the region of the parting plane of the at least two housing parts in at least one of the housing parts.
Als Lüftergehäuse für eine Dunstabzugshaube wird hierbei ein Gehäuse verstanden, dass den Lüfter zumindest teilweise umgibt und den Zuluftstrom und Abluftstrom zu und von dem Lüfter kanalisiert. Insbesondere umgibt das Lüftergehäuse den Lüfter und insbesondere das Lüfterrad des Lüfters zumindest teilweise. Das Lüftergehäuse kann zumindest im Inneren insbesondere eine Spiralform oder Schneckenform aufweisen. Der Lüfter, der auch als Gebläse bezeichnet werden kann, stellt vorzugsweise einen Radiallüfter dar. Der Lüfter umfasst insbesondere einen Lüftermotor sowie ein Lüfterrad. Vorzugsweise stellt der Lüftermotor einen Außenläufermotor dar und das Lüfterrad ist mit dem Außenläufer verbunden.A fan housing for an extractor hood is here understood to mean a housing that at least partially surrounds the fan and channels the supply air flow and exhaust air flow to and from the fan. In particular, the fan housing surrounds the fan and in particular the fan of the fan at least partially. The fan housing may have a spiral shape or helical shape, at least in the interior. The fan, which can also be referred to as a fan, preferably represents a radial fan. The fan in particular comprises a fan motor and a fan wheel. Preferably, the fan motor is an external rotor motor and the fan is connected to the external rotor.
Erfindungsgemäß weist das Lüftergehäuse zumindest eine Befestigungsvorrichtung zur Befestigung eines Lüfters an dem Lüftergehäuse auf. Als Befestigungsvorrichtung wird hierbei eine Vorrichtung bezeichnet, die zumindest einen Teil des Lüfters oder einer damit verbundenen Verbindungsvorrichtung aufnehmen kann.According to the invention, the fan housing has at least one fastening device for fastening a fan to the fan housing. As a fastening device in this case a device is referred to, which can accommodate at least a portion of the fan or a connecting device connected thereto.
Das Lüftergehäuse besteht erfindungsgemäß aus mindestens zwei, vorzugsweise aus zwei Gehäuseteilen, die im Folgenden auch als Teile bezeichnet werden. Die Gehäuseteile können aus Kunststoff oder Metall hergestellt sein. Die Gehäuseteile begrenzen zusammen einen Innenraum, in dem der Lüfter aufgenommen ist und durch den die Luft strömen kann. Weiterhin wird durch mindestens eines der beiden Gehäuseteile auch ein Luftauslass, der insbesondere als Luftauslassstutzen ausgebildet ist, gebildet.The fan housing according to the invention consists of at least two, preferably two housing parts, which are also referred to below as parts. The housing parts may be made of plastic or metal. The housing parts together define an interior in which the fan is received and through which the air can flow. Furthermore, by at least one of the two housing parts and an air outlet, which is in particular designed as a Luftauslassstutzen formed.
Erfindungsgemäß stellt eines der Gehäuseteile ein Oberteil und eines der Gehäuseteile ein Unterteil dar. Als Unterteil wird hierbei ein Gehäuseteil bezeichnet, das lediglich ein Kreissegment oder Spiralsegment des Innenraums bildet. Als Oberteil wird das Gehäuseteil bezeichnet, das ein Kreissegment oder Spiralsegment und zusätzlich den Luftauslass, insbesondere eine Zuführung zu einem Luftauslassstutzen oder der Luftauslassstutzen bildet. Da Lüftergehäuse wird vorzugsweise so in einer Dunstabzugshaube eingesetzt, dass der Luftauslass nach oben weist.According to the invention, one of the housing parts constitutes an upper part and one of the housing parts forms a lower part. The lower part here is a housing part which merely forms a circular segment or spiral segment of the inner space. As the upper part of the housing part is called, which forms a circular segment or spiral segment and in addition the air outlet, in particular a supply to an air outlet or the air outlet. The fan housing is preferably used in an extractor hood so that the air outlet points upwards.
Die Befestigungsvorrichtung ist erfindungsgemäß im Bereich der Trennebene der mindestens zwei Gehäuseteile vorgesehen. Im Bereich der Trennebene bedeutet in diesem Zusammenhang, dass die Befestigungsvorrichtung in die Trennebene hereinragen oder in einem geringen Abstand von der Trennebene angeordnet sein kann. Als Trennebene wird die Ebene bezeichnet, an der die Gehäuseteile aneinander anliegen. An dem Unterteil stellt daher die Oberseite die Trennebene und an dem Oberteil die Unterseite die Trennebene dar.The fastening device is provided according to the invention in the region of the parting plane of the at least two housing parts. In the region of the parting plane means in this context that the fastening device protrude into the parting plane or can be arranged at a small distance from the parting plane. The plane of separation is the plane on which the housing parts rest against one another. At the lower part, therefore, the upper side represents the dividing plane and at the upper part the underside represents the dividing plane.
Die Befestigungsvorrichtung ist in mindestens einem der Gehäuseteile gebildet. Vorzugsweise stellt die Befestigungsvorrichtung ein integrales Teil des Gehäuseteils dar. Die Befestigungsvorrichtung kann beispielsweise eine Auswölbung der Rückwand darstellen. Als Rückwand wird hierbei die Wand des Lüftergehäuses bezeichnet, die nach dem Zusammenfügen des Lüftergehäuses eine geschlossene Wand darstellt. In der Vorderwand des Lüftergehäuses ist hingegen eine Lufteinlassöffnung vorgesehen.The fastening device is formed in at least one of the housing parts. Preferably, the fastening device is an integral part of the housing part. The fastening device can represent, for example, a bulge of the rear wall. As the back wall in this case the wall of the fan housing is referred to, which represents a closed wall after assembly of the fan housing. In the front wall of the fan housing, however, an air inlet opening is provided.
Indem das erfindungsgemäße Lüftergehäuse mehrteilig, insbesondere zweiteilig ausgebildet ist und eine Befestigungsvorrichtung im Bereich der Trennebene der Gehäuseteile vorgesehen ist, kann eine Reihe von Vorteilen erzielt werden. Zum einen ist bei einem mehrteiligen Aufbau des Lüftergehäuses dessen Herstellung vereinfacht. Insbesondere können Hohlräume, wie insbesondere der Innenraum des Lüftergehäuses, das heißt der Spiralraum auf einfache Weise hergestellt werden. Weiterhin kann, da die Befestigungsvorrichtung im Bereich der Trennebene vorgesehen ist, durch Zusammenfügen der Gehäuseteile eine Aufnahme, insbesondere ein Aufnahmeraum geschaffen werden, der nach dem Zusammenfügen der Gehäuseteile verschlossen ist. Somit kann der Lüfter an dem Lüftergehäuse durch Einschieben oder Einhaken in die Befestigungsvorrichtung auf einfache Weise befestigt werden. Zudem ist, indem die Befestigungsvorrichtung in zumindest einem der Gehäuseteile gebildet ist, das Bereitstellen weiterer Befestigungsmittel, wie beispielsweise Schrauben, für die Befestigung des Lüfters an dem Lüftergehäuse nicht erforderlich, wodurch sich die Montagezeit und die Teilevielfalt reduzieren.By the fan housing according to the invention is designed in several parts, in particular two parts and a fastening device is provided in the region of the parting plane of the housing parts, a number of advantages can be achieved. On the one hand, in a multi-part construction of the fan housing, its manufacture is simplified. In particular, cavities, in particular the interior of the fan housing, that is to say the spiral space, can be produced in a simple manner. Furthermore, since the fastening device is provided in the region of the parting plane, a receptacle, in particular a receiving space can be created by joining the housing parts, which is closed after assembly of the housing parts. Thus, the fan can be attached to the fan housing by inserting or hooking into the fastening device in a simple manner. In addition, by the fastening device is formed in at least one of the housing parts, providing further fastening means, such as screws, for the attachment of the fan to the fan housing is not required, thereby reducing the assembly time and the variety of parts reduce.
Im Vergleich zum Stand der Technik, bei dem die Motoren der Lüfter in einer Dunstabzugshaube, insbesondere einer Flachschirmhaube, durch Schrauben mit dem Gehäuse verbunden werden, das heißt an dem Gehäuse angeschraubt werden, ist das Einbringen und Befestigen des Lüfters in einem erfindungsgemäßen Lüftergehäuse vereinfacht.Compared to the prior art, in which the motors of the fan in an extractor hood, in particular a flat screen hood, by screws with the Housing are connected, that is to be screwed to the housing, the introduction and fixing of the fan is simplified in a fan housing according to the invention.
Gemäß einer bevorzugten Ausführungsform erstreckt sich die Befestigungsvorrichtung in Höhenrichtung des Lüftergehäuses. Besonders bevorzugt weist die Befestigungsvorrichtung auch eine Ausbreitung in Breitenrichtung des Lüftergehäuses auf. Indem die Befestigungsvorrichtung sich in Höhenrichtung des Lüftergehäuses erstreckt, kann eine Befestigung des Lüfters an dem Lüftergehäuse durch ein vertikales Einschieben in eine oder beide Gehäuseteile erzielt werden.According to a preferred embodiment, the fastening device extends in the height direction of the fan housing. Particularly preferably, the fastening device also has a propagation in the width direction of the fan housing. By the fastening device extends in the height direction of the fan housing, attachment of the fan to the fan housing by a vertical insertion into one or both housing parts can be achieved.
Vorzugsweise liegt die Trennebene des Lüftergehäuses in oder parallel zu der Drehachse des Lüfters. In dieser Ausführungsform besteht das Lüftergehäuse daher aus einem Oberteil und einem Unterteil, wobei in dem Oberteil ist insbesondere ein Luftauslass vorgesehen beziehungsweise an diesen angeformt ist. Das Unterteil des Lüftergehäuses ist der Ansaugöffnung der Dunstabzugshaube und damit der Unterseite der Dunstabzugshaube im montierten Zustand zugewandt.Preferably, the separation plane of the fan housing is in or parallel to the axis of rotation of the fan. In this embodiment, therefore, the fan housing consists of an upper part and a lower part, wherein in the upper part in particular an air outlet is provided or is formed on this. The lower part of the fan housing faces the suction opening of the extractor hood and thus the underside of the extractor hood in the mounted state.
Indem das Lüftergehäuse erfindungsgemäß aus einem Oberteil und einem Unterteil besteht, können weitere Vorteile erzielt werden. Zum einen wird der Zusammenhalt der beiden Gehäuseteile durch die Gewichtskraft unterstützt. Zum anderen kann die Trennebene in der Ebene vorgesehen sein, in der die Achse des in das Lüftergehäuse eingebrachten Lüfters liegt. Somit kann die Befestigungsvorrichtung, die im Bereich der Trennebene liegt, in der Nähe der Achse an den Lüfter angreifen und so eine zuverlässige Befestigung gewähren.By the fan housing according to the invention consists of an upper part and a lower part, further advantages can be achieved. On the one hand, the cohesion of the two housing parts is supported by the weight. On the other hand, the parting plane can be provided in the plane in which the axis of the fan inserted into the fan housing is located. Thus, the fastening device, which is located in the region of the parting plane, in the vicinity of the axis of the fan attack, thus providing a reliable attachment.
Gemäß einer Ausführungsform umfasst Befestigungsvorrichtung eine Befestigungsgeometrie, die zumindest teilweise in dem Oberteil vorgesehen ist und an die Trennebene angrenzt und/oder zumindest in dem Unterteil vorgesehen ist und an die Trennebene angrenzt. Sind in beiden Gehäuseteilen Bereiche der Befestigungsgeometrie vorgesehen, so wird der Teil der Befestigungsgeometrie in dem Oberteil als obere Befestigungsgeometrie und der Teil der Befestigungsgeometrie in dem Unterteil als untere Befestigungsgeometrie bezeichnet.According to one embodiment, fastening device comprises a fastening geometry, which is provided at least partially in the upper part and adjoins the parting plane and / or is provided at least in the lower part and adjoins the parting plane. If areas of the attachment geometry are provided in both housing parts, then the part of the attachment geometry in the upper part is referred to as the upper attachment geometry and the part of the attachment geometry in the lower part is referred to as the lower attachment geometry.
Als Befestigungsgeometrie wird hierbei eine Formgebung des Gehäuses verstanden, in der zumindest ein Teil des Lüfters oder einer Verbindungsvorrichtung des Lüfters zumindest teilweise aufgenommen werden kann und die zumindest ein Verdrehen des Lüfters oder der Verbindungsvorrichtung um die Achse des Lüfters verhindert. Die Befestigungsgeometrie kann insbesondere Vertiefungen oder Erhöhungen an dem oder den Gehäuseteilen darstellen. Indem die Befestigungsgeometrien an die Trennebene angrenzen, kann zwischen diesen ein Teil des Lüfters oder einer Verbindungsvorrichtung des Lüfters gehalten und insbesondere eingeklemmt werden.As attachment geometry here is a shape of the housing understood in the at least part of the fan or a connecting device of the fan can be at least partially received and prevents at least a rotation of the fan or the connecting device about the axis of the fan. The attachment geometry may in particular represent indentations or elevations on the housing part or parts. By the attachment geometries adjacent to the parting plane, between them a part of the fan or a connecting device of the fan can be held and in particular clamped.
Gemäß einer bevorzugten Ausführungsform weist die Befestigungsvorrichtung mindestens einen Aufnahmeraum zur Aufnahme zumindest eines Teils einer Verbindungsvorrichtung, des Lüfters auf und der Aufnahmeraum erstreckt sich vorzugsweise in Höhenrichtung des Lüftergehäuses. Als Aufnahmeraum wird hierbei ein Raum bezeichnet, der vorzugsweise an nur einer Seite offen ist. Vorzugsweise ist der Aufnahmeraum so ausgerichtet, dass dessen offene Seite der Trennebene zugewandt ist. Somit kann, wenn in beiden Gehäuseteilen ein Aufnahmeraum vorgesehen ist und die Aufnahmeräume miteinander ausgerichtet sind, durch Zusammenfügen der beiden Gehäuseteile ein Aufnahmeraum gebildet werden, der sich von der Trennebene aus nach oben und nach unten erstreckt. Der oder die Aufnahmeräume sind vorzugsweise senkrecht zu der Achse des in dem Gehäuse gehaltenen Lüfters ausgerichtet.According to a preferred embodiment, the fastening device has at least one receiving space for receiving at least a part of a connecting device, the fan and the receiving space preferably extends in the height direction of the fan housing. As a receiving space in this case a space is referred to, which is preferably open on only one side. Preferably, the receiving space is oriented so that its open side faces the parting plane. Thus, if a receiving space is provided in both housing parts and the receiving spaces are aligned with each other, a receiving space can be formed by joining the two housing parts, which extends from the parting plane upwards and downwards. The receiving space (s) are preferably aligned perpendicular to the axis of the fan held in the housing.
In dem Aufnahmeraum wird vorzugsweise zumindest ein Teil einer Verbindungsvorrichtung des Lüfters aufgenommen. Die Verbindungsvorrichtung des Lüfters kann erfindungsgemäß auch als Lagerschild bezeichnet werden. Die Verbindungsvorrichtung stellt hierbei eine Vorrichtung dar, an der der Lüfter, insbesondere der Stator des Lüftermotors befestigt ist und die weiterhin mindestens ein Verbindungsteil aufweist, das zur Befestigung an dem Lüftergehäuse dient.In the receiving space, at least part of a connecting device of the fan is preferably accommodated. The connecting device of the fan according to the invention can also be referred to as a bearing plate. The connecting device in this case represents a device to which the fan, in particular the stator of the fan motor is attached and which further has at least one connecting part which serves for attachment to the fan housing.
Wie weiter unten beschrieben, stellt das Verbindungsteil vorzugsweise eine Verbindungsplatte dar, die auch als Platte bezeichnet wird.As described below, the connecting part preferably constitutes a connecting plate, which is also referred to as a plate.
Gemäß einer Ausführungsform ist der Aufnahmeraum zwischen einer Außenwand des Gehäuseteils und einer Innenwand des Gehäuseteils des Lüftergehäuses gebildet. Zudem ist dieser Aufnahmeraum vorzugsweise mit seiner offenen Seite der Trennebene des Lüftergehäuses zugewandt. Bei dieser Ausführungsform der Befestigungsvorrichtung als Aufnahmeraum kann durch Einschieben eines Verbindungsteils zwischen diese beiden Wände ein Halt des Lüfters auch in axialer Richtung gewährleistet werden. Die Außenwand und Innenwand des Gehäuseteils können sich über die gesamte Rückwand des Gehäuseteils erstrecken. Es liegt aber auch im Rahmen der Erfindung, dass die Außenwand oder Innenwand nur in dem Bereich der Befestigungsvorrichtung vorgesehen ist.According to one embodiment, the receiving space is formed between an outer wall of the housing part and an inner wall of the housing part of the fan housing. In addition, this receiving space is preferably with its open side of the parting line facing the fan housing. In this embodiment, the fastening device as a receiving space can be ensured by inserting a connecting part between these two walls, a stop of the fan in the axial direction. The outer wall and inner wall of the housing part may extend over the entire rear wall of the housing part. However, it is also within the scope of the invention that the outer wall or inner wall is provided only in the region of the fastening device.
Gemäß einer bevorzugten Ausführungsform weist die Befestigungsvorrichtung eine Befestigungsgeometrie auf, die beziehungsweise deren Querschnitt entlang der Höhenrichtung des Lüftergehäuses von einer rotationssymmetrischen Geometrie abweicht, insbesondere Ausbuchtungen aufweist. Indem die Befestigungsvorrichtung eine Geometrie aufweist, die von einer rotationssymmetrischen Geometrie abweicht, kann ein Verdrehen des Lüfters um dessen Achse in dem Lüftergehäuse verhindert werden. Das Verbindungsteil oder ein anderer Teil des Lüfters oder einer Verbindungsvorrichtung, der in der Befestigungsvorrichtung aufgenommen wird, weist hierbei vorzugsweise eine entsprechende Gegengeometrie auf, das heißt stellt die Negativform der Geometrie der Befestigungsvorrichtung dar.According to a preferred embodiment, the fastening device has a fastening geometry, which deviates or whose cross-section along the height direction of the fan housing from a rotationally symmetrical geometry, in particular has bulges. By the fixing device has a geometry which deviates from a rotationally symmetrical geometry, a rotation of the fan about its axis in the fan housing can be prevented. The connecting part or another part of the fan or a connecting device, which is received in the fastening device, in this case preferably has a corresponding counter-geometry, that is, represents the negative shape of the geometry of the fastening device.
Gemäß einer Ausführungsform ist an zumindest einem Teil der Trennebene ein Kabelkanal gebildet. Da das Gehäuse mehrteilig ist und an der Trennebene zusammengefügt wird, kann das Kabel, das insbesondere von dem Lüfter zu einer an der Außenseite des Gehäuses vorgesehenen Platine verlaufen soll, bei der Montage zwischen die Gehäuseteile gelegt werden. Nach dem Zusammenfügen und vorzugsweise Verbinden der Gehäuseteile miteinander ist das Kabel dann sicher gehalten. Das Vorsehen eines separaten Kabelkanals oder einer anderen Kabelführung kann entfallen, wodurch die Teilevielfalt weiter reduziert wird.According to one embodiment, a cable channel is formed on at least part of the parting plane. Since the housing is multi-part and is joined together at the parting plane, the cable, which in particular is intended to run from the fan to a board provided on the outside of the housing, can be placed between the housing parts during assembly. After assembling and preferably connecting the housing parts together, the cable is then securely held. The provision of a separate cable channel or other cable management can be omitted, whereby the variety of parts is further reduced.
Vorzugsweise ist an mindestens einem der Gehäuseteile des Lüftergehäuses ein Verschlusselement zur Verbindung der beiden Gehäuseteile vorgesehen. Das Verschlusselement kann beispielsweise eine Rastnase darstellen, die an einer entsprechenden Rastkante an dem weiteren Gehäuseteil eingreifen kann. Indem auch das Verschlusselement an dem oder den Gehäuseteilen vorgesehen ist, werden die Teilevielfalt und damit die Montage weiter vereinfacht.Preferably, a closure element for connecting the two housing parts is provided on at least one of the housing parts of the fan housing. The closure element may, for example, constitute a latching nose which can engage on a corresponding latching edge on the further housing part. By also the closure element is provided on the or the housing parts, the variety of parts and thus the assembly are further simplified.
Gemäß einem weiteren Aspekt betrifft die vorliegende Erfindung eine Lüftereinheit, die ein erfindungsgemäßes Lüftergehäuse aufweist. Die Lüftereinheit umfasst zudem mindestens einen Lüfter, der in dem Lüftergehäuse an der mindestens einen Befestigungsvorrichtung befestigt ist. Als Lüftereinheit wird somit ein Lüftergehäuse mit darin aufgenommenem Lüfter oder aufgenommenen Lüftern bezeichnet. Die Lüftereinheit kann eine vormontierte Einheit darstellen, die bei der Montage der Dunstabzugshaube als eine einzige Einheit in die Dunstabzugshaube eingebaut wird.According to a further aspect, the present invention relates to a fan unit, which has a fan housing according to the invention. The fan unit further comprises at least one fan which is fixed in the fan housing to the at least one fastening device. As a fan unit thus a fan housing is referred to therein fan or recorded fans. The fan unit can be a preassembled unit that is installed as a single unit in the cooker hood when the cooker hood is mounted.
Vorteile und Merkmale, die bezüglich des erfindungsgemäßen Lüftergehäuses beschrieben wurden, gelten - soweit anwendbar- auch für die erfindungsgemäße Lüftereinheit und Dunstabzugshaube und umgekehrt. Einige Vorteile und Merkmale werden daher nur einmalig beschrieben.Advantages and features which have been described with respect to the fan housing according to the invention apply - as far as applicable - also for the fan unit according to the invention and extractor hood and vice versa. Some advantages and features are therefore described only once.
Gemäß einer Ausführungsform stellt der Lüfter einen Radiallüfter dar. Zudem ist vorzugsweise an dem Lüfter eine Verbindungsvorrichtung vorgesehen, die zumindest ein Verbindungsteil umfasst, das zumindest teilweise in der mindestens einen Befestigungsvorrichtung des Lüftergehäuses aufgenommen ist. Die Verbindungsvorrichtung, die auch als Lagerschild bezeichnet wird, ist vorzugsweise an dem Lüfter und insbesondere an dem Stator des Lüftermotors befestigt. Besonders bevorzugt besteht die Verbindungsvorrichtung oder das Lagerschild aus einem Verbindungselement und einem Verbindungsteil, das an dem Verbindungselement befestigt ist. Das Verbindungselement weist vorzugsweise eine Wellenaufnahme zur Aufnahme der Welle des Lüftermotors sowie sich von der Wellenaufnahme aus radial erstreckende Tragarme auf. Das Verbindungsteil stellt vorzugsweise eine Verbindungsplatte dar. Die Verbindungsplatte kann mit den Tragarmen oder der Wellenaufnahme verschraubt sein. Die Tragarme sind vorzugsweise an deren radialen Enden in einer Richtung gebogen, die von der Verbindungsplatte weg weist.According to one embodiment, the fan is a radial fan. In addition, a connecting device is preferably provided on the fan, which comprises at least one connecting part, which is at least partially accommodated in the at least one fastening device of the fan housing. The connecting device, which is also referred to as a bearing plate, is preferably attached to the fan and in particular to the stator of the fan motor. Particularly preferably, the connecting device or the end shield consists of a connecting element and a connecting part which is fastened to the connecting element. The connecting element preferably has a shaft receptacle for receiving the shaft of the fan motor and radially extending from the shaft receiving support arms. The connecting part is preferably a connecting plate. The connecting plate may be screwed to the support arms or the shaft receptacle. The support arms are preferably bent at their radial ends in a direction that faces away from the connection plate.
Nach der Befestigung der Verbindungsvorrichtung an dem Lüfter ragt das Verbindungsteil vorzugsweise über das axiale Ende des Lüfters hinaus und steht vorzugsweise senkrecht zu der Achse des Lüfters. Stellt das Verbindungsteil eine Platte dar, so liegt diese vorzugsweise zu dem axialen Ende des Lüfters parallel und in einem Abstand zu dem axialen Ende. Durch diese Anordnung des Verbindungsteils kann diese einfach in entsprechende Befestigungsgeometrien des Lüftergehäuses eingeführt werden, ohne, dass der Lüfter an der Wand des Lüftergehäuses, insbesondere der Rückwand anliegt.After attaching the connecting device to the fan, the connecting part preferably projects beyond the axial end of the fan and is preferably perpendicular to the axis of the fan. If the connecting part is a plate, it is preferably parallel to the axial end of the fan and at a distance from the axial end. This arrangement of the connecting part, this can easily in appropriate mounting geometries of the fan housing are introduced without that the fan rests against the wall of the fan housing, in particular the rear wall.
Gemäß einer bevorzugten Ausführungsform weist das Verbindungsteil, insbesondere die Verbindungsplatte eine Kontur auf, die der Befestigungsgeometrie der Befestigungsvorrichtung an dem Lüftergehäuse entspricht. Hierdurch kann ein Eingreifen des Verbindungsteils in die Befestigungsvorrichtung und der dadurch gebildete Halt zwischen Lüfter und Gehäuse verbessert werden.According to a preferred embodiment, the connecting part, in particular the connecting plate has a contour corresponding to the mounting geometry of the fastening device to the fan housing. In this way, engagement of the connecting part in the fastening device and the thus formed grip between the fan and housing can be improved.
Gemäß einem weiteren Aspekt betrifft die Erfindung eine Dunstabzugshaube, die dadurch gekennzeichnet ist, dass diese eine erfindungsgemäße Lüftereinheit aufweist.According to a further aspect, the invention relates to an extractor hood, which is characterized in that it comprises a fan unit according to the invention.
Die Erfindung wird im Folgenden erneut unter Bezugnahme auf die beiliegenden Zeichnungen beschrieben. Es zeigen:
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Figur 1 : eine schematische Rückansicht einer Ausführungsform einer erfindungsgemäßen Dunstabzugshaube; -
Figur 2 : eine schematische Perspektivansicht einer Ausführungsform der erfindungsgemäßen Lüftereinheit in geöffnetem Zustand; -
Figur 3 : eine schematische Innenansicht einer Ausführungsform eines erfindungsgemäßen Lüftergehäuses mit eingebrachter Verbindungsvorrichtung; und -
Figur 4 : eine schematische Innenansicht einer Ausführungsform eines erfindungsgemäßen Lüftergehäuses mit eingebrachter Verbindungsvorrichtung im teilgeöffneten Zustand.
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FIG. 1 a schematic rear view of an embodiment of an extractor hood according to the invention; -
FIG. 2 a schematic perspective view of an embodiment of the fan unit according to the invention in the open state; -
FIG. 3 : a schematic interior view of an embodiment of a fan housing according to the invention with incorporated connecting device; and -
FIG. 4 : A schematic interior view of an embodiment of a fan housing according to the invention with incorporated connecting device in the partially opened state.
In
In der Unterseite der Dunstabzugshaube 1, insbesondere in dem Wrasenschirm 17 ist eine Ansaugöffnung (nicht sichtbar) vorgesehen, über die Dünste und Wrasen in das Innere der Dunstabzugshaube 1 eingesogen werden können. In der Ansaugöffnung ist vorzugsweise ein Filterelement (nicht gezeigt) eingebracht. Das Dunstabzugsgehäuse 10 weist in der dargestellten Ausführungsform eine Kastenform auf und ist an dessen Oberseite und Unterseite offen. Oberhalb des Dunstabzugsgehäuses 10 ist eine Lüftereinheit 100 angeordnet, von der in
Das Lüftergehäuse 11 besteht aus einem unteren Gehäuseteil 111, das im Folgenden auch als Unterteil bezeichnet wird, und einem oberen Gehäuseteil 110, das im Folgenden auch als Oberteil bezeichnet wird. An der Oberseite des Lüftergehäuses 11 ist ein Luftauslass in Form eines Luftauslassstutzens 12 gebildet. Das Oberteil 110 und das Unterteil 111 des Lüftergehäuses 11 sind über Verschlussmittel 14 aneinander befestigt. In der dargestellten Ausführungsform umfassen die Verschlussmittel 14 Rastnasen, die sich von dem einen Gehäuseteil 110, 111 zu dem jeweils anderen Gehäuseteil 111, 110 erstrecken. Die Rastnasen können in einer an dem jeweils anderen Gehäuseteil 111, 110 vorgesehenen Rastgeometrie eingreifen und so die beiden Gehäuseteile 110, 111 aneinander befestigen.The fan housing 11 consists of a
Die Ebene, in der die beiden Gehäuseteile 110, 111 aneinander anliegen wird auch als Trennebene T bezeichnet. Die Trennebene T liegt in der dargestellten Ausführungsform an der Oberseite des Unterteils 111 und der Unterseite des Oberteils 110.The plane in which the two
An der Rückseite des Lüftergehäuses ist eine Aufnahme 161 für eine Steuerplatine (nicht gezeigt) mittig vorgesehen.At the rear of the fan housing, a
Das Lüftergehäuse 11 weist eine Befestigungsvorrichtung 13 zur Befestigung von mindestens einem Lüfter 15 an dem Lüftergehäuse 11 aufweist. Die Befestigungsvorrichtung 13 ist, wie in
In dem Lüftergehäuse 11 ist durch die beiden Gehäuseteile 110, 111 eine Schneckenkontur gebildet, die auch als Spiralkontur bezeichnet werden kann, wobei der obere Teil der Schneckenkontur 1101 in dem Oberteil 110 und der untere Teil der Schneckenkontur 1111 in dem Unterteil 111 des Lüftergehäuses gebildet ist.In the fan housing 11, a screw contour is formed by the two
Der Innenraum des Lüftergehäuses 11 stellt in der dargestellten Ausführungsform ein Doppelspiralgehäuse dar.The interior of the fan housing 11 is in the illustrated embodiment is a double spiral housing.
In
Jeder der Lüfter 15 weist ein Lüfterrad 150 auf, das an einem Lüftermotor 151 befestigt ist. Insbesondere stellt der Lüftermotor 151 einen Außenläufermotor dar und das Lüfterrad 150 ist an dem Rotor befestigt. Der innenliegende Stator des Lüftermotors 151 ist über eine Verbindungsvorrichtung 152, die auch als Lagerschild bezeichnet wird, an dem Lüftergehäuse 11 befestigt. Eine Verbindungsplatte 1520, die später noch genauer beschrieben wird, ragt hierbei über das axiale Ende des Lüfters hinaus und liegt senkrecht zu der Achse des Lüfters 15.Each of the
Der genauere Aufbau der Verbindungsvorrichtung 152, die an dem Lüftermotor 151 befestigt ist und der Befestigungsvorrichtung 13 an dem Lüftergehäuse 11 wird unter Bezugnahme auf die
Wie sich aus
An der Innenseite des Verbindungsteils 1520, das heißt der Verbindungsplatte, ist zudem eine Raste 1523 vorgesehen. Wie sich aus den
Die Verbindungsplatte 1520 weist eine Grundplatte 1521 sowie von dieser nach außen vorstehende Vorsprünge 1522 auf. Die Form der Verbindungsplatte 1520 weicht somit von einer rotationssymmetrischen Geometrie ab. Auch die Befestigungsgeometrie 130, 130 ist nicht rotationssymmetrisch.The
Zudem ist aus
Der Aufnahmeraum 132 weist eine Innenform auf, die der Außenkontur des Verbindungsteils 1520 entspricht. In der in
Wie sich aus
In der Trennebene T ist zumindest über einen Teil der Kontaktfläche eine Feder-Nut-Verbindung zwischen den beiden Gehäuseteilen 110, 111 ausgebildet. Hierdurch kann das Entweichen von Luft über die Kontaktfläche verhindert werden. Zudem ist, wie in
Zur Befestigung der Lüfter an dem Lüftergehäuse kann erfindungsgemäß die Montagebaugruppe der Motoren, das heißt der jeweilige Lüfter an denen eine Verbindungsvorrichtung vorgesehen ist, in das Lüftergehäuse eingeschoben werden. Dabei werden die Lüfter und insbesondere die Verbindungsvorrichtungen an den Lüftern in das Oberteil eingeschoben, in dem auch bereits die Geometrie zur Aufnahme der Verbindungsvorrichtung und insbesondere der Verbindungsplatte mit abgebildet ist. Hierdurch sind keine zusätzlichen Bauteile zur Montage notwendig. Die Lüfter werden dabei senkrecht zu deren Achse in das Gehäuseteil eingeschoben. Anschließend werden die Anschlussleitungen der Motoren in die Kabelführung eingelegt, die die Zugänglichkeit des Kabels für den Benutzer der Dunstabzugshaube verhindert. Als letztes wird das Unterteil auf das Oberteil aufgeschoben, durch die Verschlussmittel verklemmen die beiden Gehäuseteile miteinander und die Motoren positionieren sich zwischen den beiden Gehäuseteilen, die vorzugsweise Kunststoffteile sind. Zur Abdichtung des luftdurchströmten Bereiches wird eine Feder-Nut-Verbindung verwendet.For mounting the fan to the fan housing, the assembly assembly of the motors, that is, the respective fan on which a connecting device is provided, are inserted into the fan housing according to the invention. In this case, the fans and in particular the connecting devices are inserted at the fans in the upper part, in which also already the geometry for receiving the connecting device and in particular the connecting plate is shown. As a result, no additional components for mounting are necessary. The fans are inserted perpendicular to the axis in the housing part. Subsequently, the connection cables of the motors are inserted into the cable guide, which prevents the accessibility of the cable to the user of the extractor hood. Finally, the lower part is pushed onto the upper part, by the closure means clamp the two housing parts together and the motors position themselves between the two housing parts, which are preferably plastic parts. To seal the area through which air flows, a spring-groove connection is used.
Die Erfindung wurde im Wesentlichen in Bezugnahme auf eine Lüftereinheit mit zwei Lüftern beschrieben. Es liegt allerdings auch im Rahmen der Erfindung die Lüftereinheit nur mit einem Lüfter auszustatten wobei der Innenraum des Lüftergehäuses dann ein einfaches Spiralgehäuse darstellt.The invention has been described essentially with reference to a fan unit with two fans. However, it is also within the scope of the invention to provide the fan unit only with a fan wherein the interior of the fan housing then represents a simple spiral housing.
Die vorliegende Erfindung weist eine Reihe von Vorteilen auf. So ist insbesondere die Montagezeit verringert. Zudem kann dadurch, dass keine Schrauben notwendig sind, die Teilevielzahl verringert werden. Schließlich kann mit dem erfindungsgemäßen Motorengehäuse eine integrierte Kabelführung in der Trennebene geschaffen werden, wodurch weitere zusätzliche Teile, wie Kabelkanäle nicht notwendig sind.The present invention has a number of advantages. In particular, the assembly time is reduced. In addition, the fact that no screws are necessary, the Part number can be reduced. Finally, with the motor housing according to the invention an integrated cable guide in the parting plane can be created, whereby further additional parts, such as cable channels are not necessary.
- 11
- DunstabzugshaubeHood
- 1010
- DunstabzugsgehäuseExtractor housing
- 100100
- Lüftereinheitfan unit
- 1111
- Lüftergehäusefan housing
- 110110
- Oberteiltop
- 11011101
- obere Schneckenkonturupper screw contour
- 111111
- Unterteillower part
- 11111111
- untere Schneckenkonturlower screw contour
- 112112
- Außenwandouter wall
- 113113
- Innenwandinner wall
- 1212
- Auslassstutzenoutlet
- 1313
- Befestigungsvorrichtungfastening device
- 130130
- obere Befestigungsgeometrieupper mounting geometry
- 131131
- untere Befestigungsgeometrielower mounting geometry
- 132132
- Aufnahmeraumaccommodation space
- 133133
- Ausbuchtungbulge
- 1414
- Verschlussmittelclosure means
- 1515
- LüfterFan
- 150150
- Lüfterradfan
- 151151
- Lüftermotorfan motor
- 152152
- Verbindungsvorrichtung (Lagerschild)Connecting device (end shield)
- 15201520
- Verbindungsteil (Verbindungsplatte)Connecting part (connecting plate)
- 15211521
- Grundplattebaseplate
- 15221522
- Vorsprüngeprojections
- 15231523
- Rastenotch
- 153153
- Verbindungselementconnecting element
- 15301530
- Wellenaufnahmeshaft mount
- 15311531
- TragarmBeam
- 1616
- KabelkanalCabel Canal
- 161161
- Platinenaufnahmeplatinum recording
- 1717
- Wrasenschirmcanopy
- TT
- Trennebeneparting plane
- RR
- Rückwandrear wall
Claims (14)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015210207.6A DE102015210207A1 (en) | 2015-06-02 | 2015-06-02 | Fan housing for extractor hood, fan unit for extractor hood and extractor hood |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3101350A1 true EP3101350A1 (en) | 2016-12-07 |
EP3101350B1 EP3101350B1 (en) | 2020-05-06 |
Family
ID=56014878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16170057.0A Active EP3101350B1 (en) | 2015-06-02 | 2016-05-18 | Fan unit for an extractor hood and extractor hood |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3101350B1 (en) |
DE (1) | DE102015210207A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107525114A (en) * | 2017-09-29 | 2017-12-29 | 中山市日顺厨卫有限公司 | Smoke exhaust ventilator with air draft direction selection |
WO2019061308A1 (en) * | 2017-09-29 | 2019-04-04 | 中山市日顺厨卫有限公司 | Range hood having exhaust direction selection function |
CN111852927A (en) * | 2020-07-31 | 2020-10-30 | 深圳市致诚达科技有限公司 | Drive control device applied to heat dissipation system of rail transit fan |
US11774111B2 (en) * | 2020-10-30 | 2023-10-03 | Ningbo Fotile Kitchen Ware Co., Ltd. | Fan system, range hood equipped with the same, and mounting method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4977884A (en) * | 1990-02-05 | 1990-12-18 | Renco Systems, Inc. | Fail-safe blower drive for roof mounted kitchen hood grease exhaust blowers |
DE29903104U1 (en) * | 1999-02-20 | 1999-05-12 | Atag Kitchen Group B.V., Ulft | Modular extractor hood |
WO2011085864A1 (en) * | 2009-12-21 | 2011-07-21 | BSH Bosch und Siemens Hausgeräte GmbH | Ventilation box for an extractor hood |
CN103334960A (en) * | 2013-07-04 | 2013-10-02 | 佛山市南海九洲普惠风机有限公司 | Ceiling type ventilation fan |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2607841T3 (en) * | 2009-03-25 | 2017-04-04 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Radial fan |
-
2015
- 2015-06-02 DE DE102015210207.6A patent/DE102015210207A1/en not_active Withdrawn
-
2016
- 2016-05-18 EP EP16170057.0A patent/EP3101350B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4977884A (en) * | 1990-02-05 | 1990-12-18 | Renco Systems, Inc. | Fail-safe blower drive for roof mounted kitchen hood grease exhaust blowers |
DE29903104U1 (en) * | 1999-02-20 | 1999-05-12 | Atag Kitchen Group B.V., Ulft | Modular extractor hood |
WO2011085864A1 (en) * | 2009-12-21 | 2011-07-21 | BSH Bosch und Siemens Hausgeräte GmbH | Ventilation box for an extractor hood |
CN103334960A (en) * | 2013-07-04 | 2013-10-02 | 佛山市南海九洲普惠风机有限公司 | Ceiling type ventilation fan |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107525114A (en) * | 2017-09-29 | 2017-12-29 | 中山市日顺厨卫有限公司 | Smoke exhaust ventilator with air draft direction selection |
WO2019061308A1 (en) * | 2017-09-29 | 2019-04-04 | 中山市日顺厨卫有限公司 | Range hood having exhaust direction selection function |
CN111852927A (en) * | 2020-07-31 | 2020-10-30 | 深圳市致诚达科技有限公司 | Drive control device applied to heat dissipation system of rail transit fan |
US11774111B2 (en) * | 2020-10-30 | 2023-10-03 | Ningbo Fotile Kitchen Ware Co., Ltd. | Fan system, range hood equipped with the same, and mounting method thereof |
Also Published As
Publication number | Publication date |
---|---|
EP3101350B1 (en) | 2020-05-06 |
DE102015210207A1 (en) | 2016-12-08 |
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