EP3502571B1 - Dispositif d'aspiration de fumées, appareil de cuisine pourvu de plaque de cuisson et de dispositif d'aspiration de fumées et procédé de fonctionnement d'un dispositif d'aspiration de fumées - Google Patents

Dispositif d'aspiration de fumées, appareil de cuisine pourvu de plaque de cuisson et de dispositif d'aspiration de fumées et procédé de fonctionnement d'un dispositif d'aspiration de fumées Download PDF

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Publication number
EP3502571B1
EP3502571B1 EP18210616.1A EP18210616A EP3502571B1 EP 3502571 B1 EP3502571 B1 EP 3502571B1 EP 18210616 A EP18210616 A EP 18210616A EP 3502571 B1 EP3502571 B1 EP 3502571B1
Authority
EP
European Patent Office
Prior art keywords
extraction apparatus
vapour extraction
screen elements
screen
vapour
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.)
Active
Application number
EP18210616.1A
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German (de)
English (en)
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EP3502571A1 (fr
Inventor
Nancy Parmentier
Stefan Schabinger
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 Hausgeraete GmbH
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Publication date
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Publication of EP3502571A1 publication Critical patent/EP3502571A1/fr
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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
    • F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
    • 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
    • F24C15/2078—Removing cooking fumes movable
    • F24C15/2085—Removing cooking fumes movable adjustable in height
    • 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
    • F24C15/2078—Removing cooking fumes movable
    • F24C15/2092—Removing cooking fumes movable extendable or pivotable

Definitions

  • the present invention relates to an extractor device, a kitchen appliance with a hob and extractor device and a method for operating an extractor device.
  • extractor hoods that are attached above the hob, for example on a room wall. These extractor hoods suck the vapors and vapors upwards.
  • so-called trough ventilation or downdraft devices are known, in which vapors and vapors are sucked down.
  • a downdraft ventilation is for example in the DE 10 2010 042 436 A1 described. This downdraft ventilation system uses an extractor hood that can be extended vertically from a hob.
  • the DE 4 009 326 A1 discloses a motorized, retractable, downward-facing trigger system having a trigger inlet member slidably mounted for vertical movement between a lowered position and an elevated position. The distance between the rear wall bent forward and the front wall forms the inlet opening. The inlet opening is on the front of the exhaust inlet part in the vertical.
  • a cooker extractor device described can be brought into different positions in relation to the stove.
  • a transparent splash guard can be provided on the rear of the extractor device, which allows the user to see behind the extractor device when the extractor device is extended.
  • JP S62 204 223 U an extractor device in which the suction opening is horizontal and a screen with a bevel at the upper end opposite the suction opening can be extended upwards.
  • a disadvantage of this device is that the efficiency of the extractor device is low, since the suction opening is large and therefore, in addition to the vapor to be captured, pure air is sucked in and the extractor device in particular does not comply with the current conditions, such as the height of cooking vessels on the hob can be customized.
  • the AU 2014 259 588 A1 a downdraft device described which is suitable for sucking air from a hob.
  • the device has a frame, a fluid box and a movement unit which comprises a belt lift.
  • the moving unit can comprise a vertically movable channel-shaped chimney.
  • an upper and a lower horizontal member and two fluid inlets are provided.
  • the disadvantage here is that the design of the extractor device is complex.
  • the object of the present invention is therefore to create a solution with which the efficiency of the vapor capture can be increased in a simple manner.
  • the object is therefore achieved by a fume extractor device with a suction duct, which at its upper end forms an outlet opening for at least one vapor trap that is slidably mounted in the suction duct and forms at least one suction gap.
  • the extractor device is characterized in that the vapor trap consists of at least two flat screen elements which can be moved separately from one another with respect to the suction shaft, that at least part of the suction gap is formed between the upper edges of the screen elements adjacent to one another, that the suction gap is horizontal or to this is inclined and sucked-in vapor is directed down between the screen elements and that at least one of the at least two screen elements in at least one position of the extractor device protrudes at least partially beyond the outlet opening of the suction shaft.
  • An extractor device is a device by means of which vapors and vapors can be sucked off and preferably cleaned from a hob or work surface.
  • the fume extractor device comprises a suction shaft and a vapor trap.
  • the extractor device preferably comprises at least one fan or is connected to a fan, via which negative pressure is generated, by means of which the vapors and vapors can be sucked into the fume trap and thus the suction shaft.
  • the fume extractor device preferably comprises at least one filter element, which can be arranged in the suction shaft, for example, and on which impurities such as fat or liquid particles can be separated from the fumes and vapors.
  • the suction shaft has an upper end which forms an outlet opening.
  • the vapor trap can be moved out of the suction shaft, that is to say let out, at least in some areas.
  • the movement of pulling out preferably represents a displacement of the vapor trap upwards with respect to the suction shaft.
  • the vapor trap is moved upwards via the outlet opening. Since air reaches the suction duct via the outlet opening at least in some areas during operation of the extractor device, the outlet opening can also be referred to as an air inlet opening.
  • the suction shaft preferably extends vertically downward from the outlet opening.
  • the suction shaft can also be referred to as a suction channel and is connected at the end facing away from the outlet opening to the fan of the extractor device or to the fan connected to it.
  • a vapor trap is slidably mounted in the suction shaft.
  • the vapor trap has at least one suction gap, which can also be referred to as an intake gap.
  • the part of the fume extractor device through which air is guided from one or more suction gaps to the outlet opening and thus into the suction shaft is referred to as vapor trap.
  • the vapor trap is in the suction shaft movably mounted.
  • the vapor trap is preferably mounted in the suction shaft so as to be vertically displaceable.
  • the invention is characterized in that the vapor trap consists of at least two flat screen elements which can be displaced separately from one another with respect to the suction shaft.
  • the parts that together form the suction tract of the vapor trap are called screen elements.
  • the parts that form the at least one intake gap and an air line to the intake duct are referred to as shield elements.
  • the screen elements are preferably plates that can be flat or can be curved about a horizontal or a vertical axis.
  • the screen elements are preferably arranged such that the distance between the screen elements is the same over their height. In the case of flat shield elements, these are therefore preferably aligned parallel to one another.
  • the screen elements are preferably made of a transparent material.
  • the screen elements can be made of glass or plastic.
  • the screen elements are also referred to below as panes.
  • the shield elements can be moved separately from one another with respect to the suction shaft.
  • the screen elements are vertically displaceable.
  • Umbrella elements in which one umbrella element can be moved without the at least one other umbrella element also being moved or the umbrella elements are each moved by a different amount are referred to as being separately displaceable relative to one another.
  • the screen elements are at least partially in the suction shaft.
  • the shifting of the screen elements can take place via a movement device, which for example can represent a lifting mechanism by means of spindles.
  • other movement devices which can also include motors, can also be used.
  • the suction gap is formed between the screen elements.
  • the suction gap can be formed here by the distance between the surfaces of the screen elements.
  • the suction gap is preferably formed by the distance between the corresponding edges of two screen elements.
  • a part of the suction gap or the entire suction gap is through the distance of the Formed upper edges of two adjacent screen elements. The distance can be horizontal or inclined to this.
  • Another part of the suction gap can be formed, for example, by the distance between the side edges of two screen elements. This part of the suction gap can be vertical or inclined to it.
  • At least one of the at least two screen elements protrudes at least partially beyond the outlet opening of the suction shaft in at least one position of the extractor device.
  • the at least one shield element protrudes upwards beyond the outlet opening.
  • the position of the extractor device is, on the one hand, its orientation in the state in which the extractor device is not being operated, that is to say in the rest position.
  • the position of the extractor device is also referred to as its alignment in a state in which the extractor device is operated, that is to say in an operating position of the extractor device.
  • the extractor device can have several different operating positions, that is to say orientations in which vapors and vapors are extracted from a work surface or a hob by means of a fan.
  • the position of the screen element or elements in the different positions of the extractor device is set, that is to say the screen elements can be moved into the respective position and held there.
  • a number of advantages can be achieved by using at least two flat screen elements according to the invention, which can be displaced separately from one another with respect to the suction shaft, the suction gap is formed between the screen elements and in at least one position of the extractor device protrude at least partially over the outlet opening of the suction shaft.
  • the air guidance of the air from the suction gap to the suction shaft is formed by the surfaces of the screen elements. Since the screen elements can be moved separately from one another, the size and position of the suction gap can also be flexibly adjusted. Thus, the conditions on the hob or a worktop in the vicinity of the extractor device can be taken into account and thus the vapor capture rate and the efficiency of the extractor device can be increased.
  • the extractor device preferably has two screen elements which form the vapor trap.
  • the invention is therefore preferably based on a below Extractor device with two screen elements described. However, it is also within the scope of the invention that more than two screen elements are provided.
  • the at least two screen elements are releasably fastened in the suction shaft.
  • a fastening that can be released without tools is referred to as a detachable fastening.
  • the attachment can represent, for example, a clamp connection or a snap connection.
  • the at least two screen elements are pushed into part of a movement device in the suction shaft.
  • the part of the movement device can represent, for example, a rail that holds the screen element at least on the underside and preferably on the side edges. The parts of the movement device, into each of which a screen element is inserted, can be moved separately from one another.
  • the screen elements are each detachably connected to the suction shaft and in particular to a movement device, the advantage can be achieved that the screen elements can be easily removed from the extractor device and, for example, cleaned.
  • impurities will be deposited on the screen elements.
  • the screen elements can be removed from the extractor device without tools and cleaned, they can function as filters, that is, they can be used to separate the impurities.
  • the screen elements are particularly preferably held at least partially by their own weight in the suction shaft and in particular on the movement device. Particularly in the case of screen elements that are made of glass, the high dead weight ensures a secure hold, for example in a rail of a movement device.
  • the upper edges of the at least two screen elements are at different heights above the outlet opening of the suction shaft.
  • the screen element, the upper edge of which is at a lower height is preferably facing the hob and the screen element, the upper edge of which is at a greater height, lies behind this screen element. This ensures that vapors are reliably sucked in.
  • the size of the The suction gap, which is formed between the upper edges of the screen elements is larger than that of screen elements whose upper edges are at the same height.
  • the suction gap here is namely inclined from the horizontal and has a larger size with the same distance between the screen elements.
  • the suction is also supported in this embodiment by the fact that vapors can be prevented from wiping past the rear screen element due to its greater height above the outlet opening.
  • the front screen element facing the hob can be brought into such a position in the extractor device according to the invention that its upper edge is at a height that corresponds to the height of a cooking vessel located on the hob.
  • the suction gap of the extractor device is brought into the vicinity of the upper edge of the cooking vessel, thus ensuring reliable suction.
  • the different positions of the upper edges of the screen elements can be set in a targeted manner in the extractor device according to the invention, since the screen elements can be moved separately from one another.
  • a screen element in the rest position or in an operating position of the extractor device, can be completely accommodated in the suction duct and at least one further screen element can partially protrude upwards beyond the outlet opening of the suction duct.
  • the screen element facing the hob which is also referred to below as the front screen element, is preferably in a position in which it partially protrudes upwards over the outlet opening.
  • the rear screen element can be in a position in which it is completely received in the suction shaft.
  • the upright front screen element can prevent contaminants from entering the outlet opening, for example spilled liquids.
  • the screen element facing away from the hob can be in the position in which it partially protrudes upwards over the outlet opening.
  • the front screen element can be in a position in which it is completely accommodated in the suction shaft. This can be done by the upright rear umbrella element
  • a splash guard for a wall behind the extractor hood device can be created.
  • the outlet opening of the suction shaft can be covered, for example, by a cover.
  • the screen element facing away from the hob that is, the rear screen element
  • the screen element facing away from the hob is preferably in the position in which it partially protrudes upwards over the outlet opening.
  • the front screen element can be in a position in which it is completely accommodated in the suction shaft.
  • the upstanding rear screen element can also be used to create a splash guard for a room wall that is located behind the extractor device.
  • the suction gap is formed by the rear screen element and the front screen element received in the suction shaft. The suction gap is therefore relatively close to the outlet opening. This operating position is therefore suitable for cooking processes in which flat cooking vessels such as pans are used.
  • the upper edges of the at least two umbrella elements are at the same height in an operating position and / or the rest position.
  • the at least two screen elements can be completely accommodated in the suction shaft, particularly in the rest position.
  • the outlet opening can be covered by a cover in this position. This can for example be designed as a flap.
  • the position is an operating position, the at least two screen elements can also be completely accommodated in the suction shaft.
  • This operating position is suitable for cooking processes in which flat cooking vessels such as pans are used. If, on the other hand, taller cooking vessels, such as pots, are used, the upper edge of the at least two screen elements can be at the same height above the outlet opening.
  • This embodiment is particularly preferred when the extractor device is arranged between adjacent hobs, since both hobs can reliably suck in vapors and vapors.
  • the at least two screen elements have different height dimensions.
  • the screen elements can also have different width dimensions.
  • the front screen element preferably has a smaller width dimension than the rear one. In this way, the distance between the side edges of the at least two screen elements can be increased and thus reliable suction via this part of the suction gap can also be ensured.
  • the extractor device has at least one sensor for detecting the height of objects in the vicinity of the extractor device.
  • the height of objects on a hob adjacent to the extractor device can be detected.
  • the extractor device can have at least one sensor for detecting the amount of vapor in the vicinity of the extractor device. This also makes it possible to determine the position at which the suction gap, in particular between the upper edges of the screen elements, must preferably be located in order to ensure reliable suction.
  • the extractor device has a control unit which changes the alignment of the at least two screen elements on the basis of the detected sensor data.
  • the position of the individual screen elements relative to the outlet opening and the position of the screen elements relative to one another can be adjusted.
  • control unit is therefore designed such that on the basis of the detected sensor data, the amount by the at least one The screen element protrudes upwards beyond the outlet opening, is changed and / or the height difference between the upper edges of the at least two screen elements is changed.
  • the control of the movement device, via which the screen elements are moved, can take place in such a way that the at least two screen elements are moved at the same time.
  • the movement of one of the screen elements can, for example, be ended while the at least one further screen element is still being moved.
  • the extractor device comprises at least one lighting device.
  • the lighting device can, for example, be provided on the upper edge or lower edge of at least one of the screen elements and can consist of light-emitting diodes, for example.
  • the light can be coupled into the screen element by a lighting device arranged on the lower edge and the entire screen element emits the light and thus forms a planar illumination.
  • This embodiment can be used particularly advantageously in the extractor device according to the invention, since, for example, when the extractor device is in a rest position, the front or rear screen element can be extended upwards via the outlet opening and can thus function as a lighting or design element.
  • the light can also only be emitted via the edges and thus serve as functional light.
  • the screen element or elements also serve as a light guide.
  • the extractor device comprises a light sensor, which is also referred to as a photo sensor and is arranged at a distance from the screen elements and the outlet opening.
  • the light sensor can be arranged on the front of a hob. In this way, the light sensor can detect whether the light emitted by the lighting device of the extractor device and in particular from the upper edge of the screen element is received and the presence of an object on the hob can be detected as a result.
  • the height can also be used of the object, in particular the cooking vessel, are determined and the screen elements are moved accordingly.
  • the invention relates to a kitchen appliance with at least one hob and an extractor device according to the invention.
  • the extractor hood device can be connected to the hob.
  • the control of the extractor device can be connected to the control of the hob.
  • the extractor device is preferably arranged behind the back of the hob and extends in the width direction of the hob.
  • the extractor device preferably extends over the entire width of the hob.
  • the back of the hob is the side that faces away from the side of the hob that faces the user and on which control elements of the hob are preferably provided.
  • the extractor hood device can be located at a short distance from the rear of the hob or can be adjacent to the rear.
  • the hob is preferably inserted into a worktop of a kitchen cabinet, in particular a kitchen cabinet.
  • a recess behind the hob is made in the worktop for the extractor device.
  • the outlet opening of the extractor device which in one embodiment can be covered with a cover in the rest position, is preferably located in the recess.
  • the extractor device is integrated into the hob.
  • the outlet opening of the suction shaft lies in the surface of the hob.
  • the outlet opening of the suction shaft is preferably in the middle of the width of the surface of the hob and extends in the depth direction of the hob.
  • a corresponding recess can be made in the hob.
  • the outlet opening of the suction shaft, via which the at least two screen elements can be extended upwards, is located in this recess.
  • the screen elements are preferably extended in an operating position of the extractor device so that the upper edges of the at least two screen elements are at the same height.
  • the screen elements are extended to different heights in an operating position.
  • the extractor device Since the extractor device is integrated in the hob and is provided in particular in the middle of the width of the hob, the extractor device can generate steam from cooking vessels from all cooking zones of the hob can be reliably extracted.
  • the extractor device and in particular the screen elements in this embodiment are in the immediate vicinity of, for example, four cooking zones. Since the screen elements are provided separately displaceably in the extractor device, in the case where, for example, cooking vessels are only provided on one side of the extractor device, the screen element facing this side can be extended to a lower height than the at least one additional screen element.
  • the invention relates to a method for operating an extractor device according to the invention.
  • the method is characterized in that the position of at least one screen element relative to the outlet opening and the position of the upper edges of the screen elements relative to one another are set. In this way, the use of cooking vessels of different heights can be taken into account and vapors and vapors can be reliably extracted.
  • At least the relative position of at least one screen element to the outlet opening is changed during the transition from one operating position to a further operating position of the extractor device.
  • the at least two screen elements can be moved upwards from a first operating position for flat cooking vessels until the upper edge of the front screen element is level with the upper edge of the cooking vessel.
  • the distance between the upper edges of the screen elements can also be increased here.
  • the setting of the positions of the at least two screen elements takes place automatically on the basis of sensor data.
  • FIG 1 a schematic perspective view of an embodiment of the kitchen appliance 1 according to the invention is shown.
  • the kitchen appliance 1 consists of a hob 3 and an extractor device 2.
  • the hob 3 is installed in a worktop 40 of a kitchen cabinet 4.
  • a recess 41 is provided in the worktop 40.
  • the recess 41 lies on the rear side of the hob 3 between the hob 3 and a room wall R.
  • the extractor device 2 is introduced into the recess 41.
  • the extractor device 2 is located in the Figure 1 in a rest position.
  • a sensor 28 is integrated in the hob 3 in the front area of the hob 3.
  • the sensor 28 can, however, also be present separately from the hob 3 and, for example, be arranged in front of the front edge of the hob 3. The function of the sensor 28 will be explained in more detail later.
  • FIG. 11 is a schematic sectional view of the embodiment of the kitchen appliance 1 according to FIG Figure 1 shown with the extractor device 2 in the rest position.
  • the extractor device 2 has a suction duct 24.
  • the upper end of the suction shaft 24 is in the recess 41, which is in the Worktop 40 is introduced. This upper end forms the outlet opening 29 of the suction shaft 24 of the extractor device 2.
  • the outlet opening 29 is closed by the cover 23.
  • two screen elements 21, 22 are arranged in the interior of the suction shaft 24, two screen elements 21, 22 are arranged.
  • the screen element 22 rests on the front wall and the screen element 21 on the rear wall of the suction duct 24.
  • the screen element 21 is therefore referred to below as the rear screen element and the screen element 22 as the front screen element.
  • the screen elements 21, 22 are vertical.
  • the height dimension of the screen element 22 in the embodiment shown is smaller than the height dimension of the screen element 21.
  • the upper edges of the screen elements 21, 22 are at a common height and below the outlet opening 29.
  • the screen elements 21, 22 are thus in the Suction shaft 24 retracted.
  • the screen elements 21, 22 can be moved separately from one another with respect to the suction duct 24.
  • the screen elements 21, 22 form the vapor trap of the extractor device, which is slidably mounted in the suction shaft 24.
  • the extractor device 2 can be moved into a second operating position.
  • This operating position is in Figure 4 shown schematically.
  • the rear screen element 21 is displaced upwards with respect to the suction duct 24.
  • the movement takes place by means of a movement device 25, of which in Figure 4 only a guide rail for the rear screen element 21 can be seen.
  • a guide rail is also preferably provided for the front screen element 22, which is in the Figure 4 is not shown.
  • the movement device 25 preferably has a drive, for example spindles (not shown). The guide rails can be moved individually via this drive, in particular shifted upwards.
  • the movement device and in particular the drive not to engage one of the guide rails but rather the respective umbrella element itself and move it upwards.
  • a downward movement takes place with the movement device 25 either also via the drive or at least partially by the dead weight of the respective umbrella element 21, 22.
  • the screen elements 21, 22 can be individually pulled upwards out of the respective guide rail without the need for tools.
  • the rear screen element 21 is therefore at a greater height than the outlet opening 29 than the front screen element 22.
  • the extractor device 2 can be moved into a further operating position.
  • This operating position is in Figure 5 shown schematically.
  • the front screen element 22 is also displaced upwards.
  • the upper edge of the rear screen element 21 is higher than the upper edge of the front screen element 22.
  • the suction gap 20 is formed between the two upper edges of the screen elements 21, 22. This lies behind in the operating position Figure 5 not in the horizontal, but inclined to this.
  • the front screen element 22 is shifted upward beyond the outlet opening 29 so that the upper edge of the front screen element 22 is level with the upper end of the cooking vessel, in particular the pot T.
  • FIG. 6 a schematic sectional view of a further embodiment of the kitchen appliance 1 according to the invention with the extractor device 2 is shown in a rest position.
  • the rear screen element 21 is displaced upward relative to the suction duct 24 and in particular the outlet opening 29.
  • the front screen element 22, on the other hand, is received in the suction duct 24.
  • the rear screen element 21 can serve as a splash guard for the room wall R in this rest position.
  • FIG 7 a schematic sectional view of a further embodiment of the kitchen appliance 1 according to the invention with the extractor device 2 is shown in a rest position.
  • the front screen element 22 is moved upwards with respect to the suction duct 24 and thus the outlet opening 29.
  • the rear screen element 21, on the other hand, is received in the suction duct 24.
  • a cover (not shown) can be provided which covers the outlet opening 29 in the area in which none of the screen elements 21, 22 protrudes upwards through it.
  • FIG 8 a schematic sectional view of a further embodiment of the kitchen appliance 1 according to the invention with the extractor device 2 is shown in an operating position.
  • the extractor device 2 integrated in the hob 3.
  • This embodiment is in Figure 10 shown in perspective view.
  • the upper end of the suction shaft 24 lies in the hob 3.
  • the outlet opening 29 thus extends over the entire depth of the hob 3 and is arranged centrally in the width direction.
  • both screen elements 21, 22 have the same height dimensions.
  • the two screen elements 21, 22 are displaced by the same height relative to the outlet opening 29 at the top.
  • FIG 9 Another embodiment of the kitchen appliance 1 is shown in a perspective view.
  • the extractor device 2 of the kitchen appliance 1 is in an operating position.
  • the screen elements 21, 22 are extended upwards.
  • the embodiment according to Figure 9 differs from the embodiment according to Figures 8 and 10 in that the extractor device 2 is spaced apart from the hob 3.
  • the hob 3 is constructed in two parts and the extractor device 2 lies between these two parts of the hob 3.
  • a recess 41 is therefore made in the worktop 40 of the kitchen cabinet 4 for the extractor device 2.
  • the two screen elements 21, 22 are preferably moved upwards to the same height with respect to the suction duct 24.
  • FIG. 11 a further embodiment of the kitchen appliance 1 according to the invention with the extractor device 2 is shown in an operating position.
  • the screen elements 21, 22 have different sizes.
  • the front screen element 22 is smaller than the rear screen element 21.
  • the front screen element 22 has a smaller width than the rear screen element 21 Outlet opening 29 shifted upwards than the rear screen element 21.
  • the height dimension of the screen elements 21, 22 can be the same in this embodiment.
  • the front screen element 22 is only shifted upwards by a smaller amount than the rear screen element 21.
  • a lighting device (not visible) is provided. Via the lighting device 27, light is introduced into the screen elements 21, 22 from below. By appropriate surface treatment of the screen elements 21, 22 or due to the material properties of the screen elements 21, 22 this becomes Introduced light emitted over the screen elements 21,22.
  • the screen elements 21, 22 can for example consist of glass.
  • FIG 12 is a perspective view of a further embodiment of the kitchen appliance 1 with the extractor device 2 in the operating position.
  • This embodiment differs from that in Figure 11
  • a lighting device 27 is provided on the upper edge of the rear screen element 21.
  • This can be an LED strip, for example.
  • the lighting device 27 is attached to the rear screen element 21 from below and the upper edge of the rear screen element 22 is treated in such a way that the introduced light is emitted via this upper edge.
  • Figure 13 a schematic sectional view of this embodiment of the kitchen appliance 1 is shown. As can be seen from this view, the light is emitted inclined downwards from the upper edge of the rear screen element 21.
  • a sensor 28 is provided in the front area of the kitchen appliance 1, in particular in front of the hob 3. In the embodiment shown, this represents a photo sensor. The light emitted by the rear screen element 21 can be recognized by this photo sensor. If a pot T is placed on the hob 3, the height of the pot T can be determined by the photosensor 28. This height determination is possible because the screen elements 21, 22 can be moved separately from one another.
  • an extractor device which, like known extractor devices that represent downdraft devices, can for example be arranged behind the hob and can move out there.
  • the screen elements made of transparent material, in particular glass there is no optical barrier in the extractor device according to the invention.
  • the arrangement of the screen elements forms a height-adjustable suction shaft, through which optimal vapor capture is guaranteed.
  • the suction flow of the extractor device is optimized as a result.
  • a work light can be generated, especially in the case of screen elements made of glass, by coupling light into the screen elements.
  • at least one of the shield elements can serve as a splash guard. It is also advantageous for this function if the screen elements are made of glass.
  • two glass plates are used as screen elements in the extractor device according to the invention, which are arranged one behind the other and can each be flat or curved.
  • the screen elements are preferably arranged behind the hob and are extended mechanically.
  • the height by which the screen element (s) are extended and the number of screen elements that are extended adapt to the current cooking situation. The adjustment is made in such a way that the suction gap that arises between the screen elements is guided as close as possible to the top edge of the pot.
  • the height of the pots used can be detected using a sensor system. According to the detected height, the screen elements move in such a way that optimal vapor capture is guaranteed. Specifications for the respective height to which the individual screen elements are to be moved can be generated via the moving lighting created by the screen elements and a photo sensor placed opposite the hob.
  • the glass material or the other plate material, for example plastic, of which the screen elements are made can serve both as a splash guard and as an optical waveguide.
  • the light can be coupled in from below via the lower edge of the screen elements.
  • the output and direction of the light beam emitted by the screen elements can be adjusted by suitable edge processing of the upper edge.
  • the extractor device In the passive state of the extractor device, that is to say in the rest position of the extractor device, the extractor device is preferably not visible, but is located, for example, under a worktop behind the hob. With low pots and normal steam, it may be sufficient if only the rear umbrella element is raised.
  • the front screen element is raised to bring the suction gap, which can also be referred to as the vapor intake, to the optimum height.
  • the height of the screen elements by which they stand up over a suction shaft varies and adapts to the situation.
  • the present invention has a number of advantages.
  • the screen elements which can also be referred to as plates or disks, can go up less than conventional downdraft devices and with the An adequate vapor capture rate can still be achieved. Since the screen elements are completely separated from one another and, for example, are not connected to one another in the middle, the screen elements can be brought into the desired position separately.
  • the separate screen elements especially if they are made of glass, give the extractor device a lightness in terms of appearance. This is supported by the fact that, depending on the current conditions, only one shield element may have to be raised.
  • a work light can be integrated into the screen elements, for example by coupling in light.
  • the shade elements can be generated by the shade elements.
  • the light is preferably coupled into the respective screen element from below.
  • the fat label can be improved in the case of screen elements that are detachably attached and can therefore be removed without tools, since the impurities deposited on the screen elements are calculated together with the impurities on the filters.

Landscapes

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

Claims (15)

  1. Dispositif d'aspiration de fumées comprenant une cheminée d'aspiration (24) formant, sur son extrémité supérieure, un orifice de sortie (29) pour au moins un capteur de vapeurs, lequel est logé coulissant dans la cheminée d'aspiration (24) et forme au moins une fente d'aspiration (20), dans lequel
    le capteur de vapeurs est constitué d'au moins deux éléments plats de protection (21, 22), lesquels peuvent coulisser séparément l'un par rapport à l'autre par rapport à la cheminée d'aspiration (24), caractérisé en ce qu'au moins une partie de la fente d'aspiration (20) est formée entre les arêtes supérieures des éléments de protection (21, 22) mutuellement contigus, en ce que la fente d'aspiration (20) est inclinée à l'horizontale ou vers celle-ci et les vapeurs absorbées sont conduites vers le bas entre les éléments de protection (21, 22) et en ce qu'au moins l'un des au moins deux éléments de protection (21, 22) dépasse dans au moins une position du dispositif d'aspiration de fumées (2) au moins partiellement de l'orifice de sortie (29) de la cheminée d'aspiration (24).
  2. Dispositif d'aspiration de fumées selon la revendication 1, caractérisé en ce que les au moins deux éléments de protection (21, 22) sont fixés amovibles dans la cheminée d'aspiration (24) et sont glissés en particulier dans une partie d'un dispositif mobile (25) dans la cheminée d'aspiration (24).
  3. Dispositif d'aspiration de fumées selon l'une des revendications 1 ou 2, caractérisé en ce qu'en position de fonctionnement du dispositif d'aspiration de fumées (2) les arêtes supérieures des au moins deux éléments de protection (21, 22) se situent à différentes hauteurs au-dessus de l'orifice de sortie (29) de la cheminée d'aspiration (24).
  4. Dispositif d'aspiration de fumées selon l'une des revendications 1 à 3, caractérisé en ce qu'en position de repos ou dans une position de fonctionnement du dispositif d'aspiration de fumées (2), un élément de protection (21, 22) est logé intégralement dans la cheminée d'aspiration (24) et au moins un autre élément de protection (21, 22) dépasse partiellement par le haut au-dessus de l'orifice de sortie (29) de la cheminée d'aspiration (24).
  5. Dispositif d'aspiration de fumées selon l'une des revendications 1 à 4, caractérisé en ce que les au moins deux éléments de protection (21, 22) présentent des dimensions en hauteur qui sont différentes.
  6. Dispositif d'aspiration de fumées selon l'une des revendications 1 à 5, caractérisé en ce que le dispositif d'aspiration de fumées (2) comprend au moins un détecteur (28) pour la détection de la hauteur d'objets (T) et/ou de l'arrivée de vapeurs dans l'environnement du dispositif d'aspiration de fumées (2).
  7. Dispositif d'aspiration de fumées selon la revendication 6, caractérisé en ce que le dispositif d'aspiration de fumées (2) comprend une unité de commande, laquelle, sur base des données de détection déterminées, modifie l'orientation des au moins deux éléments de protection (21, 22).
  8. Dispositif d'aspiration de fumées selon la revendication 7, caractérisé en ce que, sur base des données de détection déterminées, la valeur avec laquelle au moins un élément de protection (21, 22) dépasse par le haut l'orifice de sortie (29), est modifiée et/ou la différence de hauteur des arêtes supérieures des au moins deux éléments de protection (21, 22) est modifiée.
  9. Dispositif d'aspiration de fumées selon l'une des revendications 1 à 8, caractérisé en ce que le dispositif d'aspiration de fumées (2) comprend au moins un dispositif d'éclairage (27).
  10. Dispositif d'aspiration de fumées selon la revendication 9, caractérisé en ce que le dispositif d'aspiration de fumées (2) comprend en outre un capteur de lumière (28), au moyen duquel la hauteur d'objets (T) dans l'environnement du dispositif d'aspiration de fumées (2) peut être détectée.
  11. Appareil de cuisine comprenant au moins une table de cuisson (3) et un dispositif d'aspiration de fumées (2), caractérisé en ce que le dispositif d'aspiration de fumées (2) est un dispositif d'aspiration de fumées selon l'une des revendications 1 à 10.
  12. Appareil combiné selon la revendication 11, caractérisé en ce que l'orifice de sortie (29) de la cheminée d'aspiration (24) est située dans la surface de la table de cuisson (3), de préférence au centre de la largeur de la surface de la table de cuisson (3).
  13. Procédé de fonctionnement d'un dispositif d'aspiration de fumées selon l'une des revendications 1 à 10, caractérisé en ce que la position relative d'au moins un élément de protection (21, 22) par rapport à l'orifice de sortie (29) et la position relative des arêtes supérieures des éléments de protection (21, 22) se règlent en fonction l'une de l'autre.
  14. Procédé selon la revendication 13, caractérisé en ce qu'au moins la position relative d'au moins un élément de protection (21, 22) par rapport à l'orifice de sortie (29) est modifiée en cas de passage d'une position de fonctionnement en une autre position de fonctionnement du dispositif d'aspiration de fumées (2).
  15. Procédé selon l'une des revendications 13 ou 14, caractérisé en ce que le réglage des positions des au moins deux éléments de protection (21, 22) s'effectue automatiquement sur base des données de détection.
EP18210616.1A 2017-12-19 2018-12-06 Dispositif d'aspiration de fumées, appareil de cuisine pourvu de plaque de cuisson et de dispositif d'aspiration de fumées et procédé de fonctionnement d'un dispositif d'aspiration de fumées Active EP3502571B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017223152 2017-12-19

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EP3502571A1 EP3502571A1 (fr) 2019-06-26
EP3502571B1 true EP3502571B1 (fr) 2021-02-24

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EP18210616.1A Active EP3502571B1 (fr) 2017-12-19 2018-12-06 Dispositif d'aspiration de fumées, appareil de cuisine pourvu de plaque de cuisson et de dispositif d'aspiration de fumées et procédé de fonctionnement d'un dispositif d'aspiration de fumées

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DE (1) DE102018221339A1 (fr)

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DE102018205558A1 (de) * 2018-04-12 2019-10-17 BSH Hausgeräte GmbH Küchenvorrichtung mit abbildendem Flächenelement für digitale Inhalte und Küchenanordnung mit Küchenvorrichtung
DE102019217916A1 (de) * 2019-11-20 2021-05-20 BSH Hausgeräte GmbH Dunstabzugsvorrichtung mit Wrasenleitplatte und Beleuchtungseinrichtung
DE102019217917A1 (de) * 2019-11-20 2021-05-20 BSH Hausgeräte GmbH Dunstabzugsvorrichtung mit Wrasenleitplatte und Beleuchtungseinrichtung
BE1029056B1 (de) * 2021-01-27 2022-08-29 Miele & Cie Beleuchtungseinrichtung und Dunstabzugshaube
BE1030368B1 (de) * 2022-03-21 2023-10-16 Miele & Cie Dunstabzug
EP4235037A1 (fr) * 2022-02-23 2023-08-30 Miele & Cie. KG Hotte aspirante

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JPS49126353U (fr) * 1973-02-21 1974-10-29
JPS6191435A (ja) * 1984-10-09 1986-05-09 Matsushita Electric Ind Co Ltd 排煙装置
JPH0247387Y2 (fr) * 1986-06-17 1990-12-13
US4945891A (en) * 1989-03-30 1990-08-07 General Electric Company Drive mechanism for retractable down draft vent
US4934337A (en) * 1989-10-02 1990-06-19 General Electric Company Retractable vent and cover arrangement for down draft cooking appliance
DE9415799U1 (de) * 1994-10-03 1994-12-22 Bürcher, Friedrich, 82054 Sauerlach Dunstabzugshaube
KR100652585B1 (ko) * 2004-08-21 2006-12-06 엘지전자 주식회사 주방용 후드의 차단판 개폐장치
US20100065038A1 (en) * 2008-09-13 2010-03-18 John Mills Davies Exhaust Canopy
DE102010042436B4 (de) 2010-10-14 2022-01-05 BSH Hausgeräte GmbH Kochfeld mit integrierter Dunsthaube
AU2014259588B2 (en) * 2014-11-10 2017-03-16 Broan-Nutone Llc Downdraft system

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