EP3469266A1 - Dunstabzugshaube und verfahren zum betreiben einer dunstabzugshaube - Google Patents
Dunstabzugshaube und verfahren zum betreiben einer dunstabzugshaubeInfo
- Publication number
- EP3469266A1 EP3469266A1 EP17729554.0A EP17729554A EP3469266A1 EP 3469266 A1 EP3469266 A1 EP 3469266A1 EP 17729554 A EP17729554 A EP 17729554A EP 3469266 A1 EP3469266 A1 EP 3469266A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air outlet
- outlet device
- hood
- extractor hood
- air
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F9/00—Use of air currents for screening, e.g. air curtains
-
- 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
- F24C15/2028—Removing cooking fumes using an air curtain
-
- 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 a cooker hood and a method for operating a cooker hood.
- Object of the present invention is to provide a cooker hood and a method with which can reliably be removed fumes or other fumes from the room in the range of the hood in a reliable manner.
- the invention is based on the finding that this object can be achieved by creating an air curtain which, at least in regions, can be adapted to the conditions in the area of the extractor hood with respect to its direction.
- the object is achieved according to a first aspect by an extractor hood comprising a fan, a viewing hood and at least one supply air duct.
- the extractor hood is characterized in that the at least one supply air duct has a channel end, which lies in the lower region of the viewing hood, and at the end of the duct at least one air outlet device is arranged, which is arranged at least partially in at least one direction movable on the hood.
- the extractor hood is understood to be a device for sucking and cleaning wafers, in particular for kitchens.
- the extractor hood includes a fan, which can also be referred to as a fan and by means of which a negative pressure is generated, through which the vapor is sucked into the hood.
- the fan is arranged in a viewing hood or at least partially extends upward beyond the viewing hood.
- the part of the extractor hood is referred to as a viewing hood, in which the intake opening, via which vapor enters the extractor hood, is introduced.
- a filter for filtering out fat can be provided in the suction opening.
- the filter can also be provided to the intake opening offset upwards in the viewing hood.
- Above the viewing hood can be provided, in particular in the embodiments in which the blower is at least partially above the viewing hood, a chimney that covers the fan to the outside.
- the extractor hood at least one supply air duct.
- the supply air duct is a connection through which air from a fan inside the extractor hood is directed at least to the vicinity of the underside of the sighting hood.
- the supply air duct is preferably arranged in the interior of the extractor hood and in particular in the interior of the viewing hood.
- the supply air duct can be formed by an intermediate wall in the interior of the viewing hood, in which case the outer wall of the viewing hood and the intermediate wall delimit the supply air duct.
- the supply air duct can be a continuously extending over the circumference of the viewing hood
- the guided in the supply air which may also be referred to as supply air, is preferably air, which was previously sucked through the hood and cleaned it.
- the supply air can also be drawn in from the room in which the extractor hood is operated, for example a kitchen, and be sucked in, for example, in the vicinity of the room ceiling.
- the at least one supply air channel has a channel end which lies in the lower region of the viewing hood. In the lower area of the viewing hood in this context means that the channel end is located in the underside of the viewing hood or slightly offset upwards or downwards to this.
- the end of the duct is arranged so that it is not obstructed by other parts of the extractor hood, such as filters.
- At least one air outlet device is arranged at the channel end.
- the air outlet device (s) preferably cover or cover the entire channel end of the at least one supply air duct.
- a device which is suitable for directing the air out of the supply air duct is referred to as the air outlet device.
- the air outlet device therefore air outlet openings are introduced or the air outlet openings are formed by parts of the air outlet device.
- the air outlet device can be, for example, a sheet metal, a hollow body, in particular a pipe, or consist of a plurality of air outlet elements, such as, for example, fins or pipe sections.
- the air outlet device is arranged on the extractor hood and is at least partially movable in at least one direction.
- An air outlet device is referred to as movable, from which at least parts can be moved relative to the extractor hood and in particular the viewing hood.
- the air outlet device can be attached to the viewing hood via bearings, joints or hinges.
- the supply air duct provides the air for generating an air curtain.
- the air curtain may preferably consist of several air curtains.
- the different air curtains can be controlled by air outlet devices in the range the viewing hood are generated.
- an air outlet device and at the lateral edges of the viewing hood in the channel end in each case a further air outlet device may be arranged.
- different air curtains can be generated, which together form the air curtain, but which can optionally be moved in different directions.
- the air outlet device has a longitudinal extent which runs in the underside or parallel to the underside of the viewing hood.
- the direction of the longitudinal extension is also referred to below as the longitudinal axis.
- the air outlet device is pivotable with respect to the longitudinal axis.
- an air outlet device in particular a device is used, which is located on the edge of the viewing hood and in particular on the edge of a suction opening of the viewing hood.
- the longitudinal extension of the air outlet device is therefore located, for example, in the front edge of the suction opening or in one or both side edges of the suction opening.
- the longitudinal extent of the air outlet device thus lies in the width direction of the extractor hood and the viewing hood.
- the longitudinal extent of the air outlet device which lies in the side edge of the suction opening, the longitudinal extent of the
- Air outlet device in the depth direction of the extractor hood and the viewing hood.
- the air outlet device is located at the channel end of the supply air duct.
- the supply air duct can extend over the entire circumference of the intake opening around.
- a plurality of supply air ducts are provided, for example a front supply air duct whose end lies in the front edge of the intake opening and further supply air ducts which run on the sides of the sight hood and their channel ends are located in the side edges of the suction opening ,
- the air outlet device with respect to the longitudinal axis of the air outlet device, that is, the direction of the longitudinal extent, pivotable.
- the air outlet device can be rotated by a certain angle about the longitudinal axis of the air outlet device.
- an air outlet device which is located at the front edge of the suction opening and extending in the width direction of the hood, can be pivoted forwards or backwards about the longitudinal axis.
- the air curtain is thus also pivoted either forward or backward.
- the air outlet device not only by an angle which is smaller than 180 °, can be pivoted.
- the air outlet device may be configured so that the air outlet device can be rotated through 360 ° about the longitudinal axis.
- the axis of the extractor hood is a theoretical axis which is preferably perpendicular to the inlet opening and preferably runs through the fan.
- the air outlet device which is provided at the channel end, offset in the bottom of or parallel to the underside of the viewing hood down and the air outlet device is pivotable with respect to the longitudinal axis, the unimpeded leakage of supply air from the air outlet device can be ensured and the angle, can be maximized by which the air outlet device can be pivoted.
- the angle at which the air outlet device and thus the air curtain can be swiveled is limited by the edge of the viewing hood.
- the air outlet device has a longitudinal extent and at least one air outlet element of the air outlet device is pivotable about an axis which is perpendicular to the longitudinal axis.
- the air outlet elements are preferably arranged adjacent to one another in the longitudinal direction of the air outlet device.
- the air outlet elements may represent, for example, pieces of pipe, which may also be referred to as cylinders and whose tube axis is at rest in the vertical.
- the air outlet elements for example, represent plates or slats, which are also inclined from the horizontal, for example, in the vertical.
- the air outlet elements are pivotable in this embodiment about an axis which is perpendicular to the longitudinal axis of the air outlet device.
- the air outlet elements may preferably be pivoted so that they move in the plane which is spanned by the longitudinal axis of the air outlet device and the vertical.
- a front air curtain or rear air curtain of a cooker hood can be pivoted so that this extends at least partially laterally over a vertically located under the hood cooker. This is advantageous because it allows a front or rear air curtain to be adapted to the direction of side air curtains.
- a cooking appliance operated to the right of the cooktop such as a fryer or a toaster
- the left and right air curtains are pivoted by the air outlet devices pivoted to the right at the left and right edges of the suction opening. If, in this situation, the front and / or rear air curtain continued to be emitted vertically downwards out of the supply air duct, an area would arise in which the air curtain is interrupted and could escape via the steam and steam.
- the air outlet device is a plate.
- the plate which can be configured as a plate, has at least one air outlet opening.
- the air outlet openings may be configured as slots or round holes.
- the plate has an elongated shape and covers an elongated channel end of the supply air duct.
- the plate is in this case mounted on the channel end, that it can be pivoted about its longitudinal axis.
- air curtains can be generated on the side edges of the intake opening of the viewing hood, which are selectively directed to the hob under the hood or hit the side of the hob on a countertop.
- the air outlet device constitutes a tube.
- the air outlet openings are introduced on at least one side of the circumference of the tube, for example in a row of holes.
- the tube may be slotted on the side of the circumference opposite to the side in which the row of holes is inserted or have other openings to allow incoming air to penetrate into the interior of the tube.
- the tube is pivotable about its longitudinal axis. This also makes it possible to generate a swiveled air curtain.
- a plurality of rows of holes are introduced instead of a row of holes.
- a plurality of air curtains can be generated via a single air outlet device.
- a slot or other feed opening may be provided on the opposite side.
- air outlet openings for example in the form of rows of holes, to be introduced over the entire circumference of the tubular air outlet device.
- the air outlet device can then be rotated by 360 ° and more about its longitudinal axis and at least one air curtain is output from the air outlet device in each position.
- the air outlet device is a hollow body, which is different from the tube shape.
- a square metal box can be used. This also has on one side air outlet openings and on the opposite side a feed opening for the supply air from the supply air duct.
- the air outlet device is also provided in this embodiment about its longitudinal axis pivotable in or below the channel end of the supply air duct.
- the air outlet device has at least two air outlet elements, which are arranged perpendicular to the longitudinal axis of the air outlet device.
- These air outlet elements may represent, for example, pieces of pipe or plates. Pipe pieces are preferably aligned in a rest position so that they are directed vertically downwards.
- the upper end of the pipe sections serves as a supply opening for supply air from the supply air duct and the lower end serves as an air outlet opening.
- more than two air outlet elements are provided.
- the air outlet elements are arranged adjacent to each other along the longitudinal axis of the air outlet device formed by them in a row.
- the air outlet elements are preferably each pivotable about an axis which is perpendicular to the longitudinal axis of the air outlet device and in the horizontal. In the case of tubular pieces, these are thus preferably each rotatable about an axis which is perpendicular to the tube axis of the respective tube piece and which vertically intersects the longitudinal axis of the air outlet device.
- air outlet elements it is possible to provide an air curtain having, for example, a parallelogram shape in which the angles are not equal to the right angle. The air curtain can thus be issued in one direction or the other sheared from the air outlet device.
- At least one air outlet device comprises at least two air outlet elements, which constitute pipe sections
- the pipe sections are preferably connected to one another in an articulated manner via a connecting element, for example a rod.
- the rod is in this case connected at a distance from the upper end of the pipe sections with these.
- the rod is therefore in the mounted state of the air outlet device in the horizontal. If the rod is moved along its longitudinal axis, this leads to movably mounted at the channel end tube elements that they pivot in the direction of movement of the rod. Thus, a shearing motion is generated.
- the extractor hood has a drive unit for moving at least one of the at least one air outlet device.
- the drive unit may be a motor, in particular an electric motor.
- the movement of the air outlet device (s) can take place automatically, ie the air outlet device does not have to be brought into the desired position by the user of the extractor hood.
- multiple or continuous movements of the air outlet device or devices can be realized by means of a drive unit.
- the drive unit is connected to a control unit of the extractor hood.
- the position to be set by the drive unit, in particular angular position, of the air outlet device or devices can be determined or determined in accordance with the operating state of the extractor hood or, if appropriate, other environmental conditions in the control unit.
- the extractor hood has at least one detection unit for detecting objects and / or environmental conditions in the area of the extractor hood.
- the objects may be, for example, cooking vessels, such as pots on a hob below the extractor hood.
- the articles may also be, for example, other cooking devices, such as a fryer or a toaster.
- the detection unit may be, for example, a camera.
- the ambient conditions in the range of the extractor hood for example, the temperature of a cooking zone of the hob or the occurrence of vapors are called. These environmental conditions can also be detected, for example, by a camera as a detection unit. Alternatively, however, the ambient conditions can also be detected, for example, by sensors, for example infrared sensors. Due to the detected objects or environmental conditions, it is possible to supply the supply air accordingly, in particular air curtains can be generated at the corresponding edges of the suction opening. In addition, the air curtains can be aligned, in particular pivoted, in accordance with the detected objects and / or ambient conditions. These settings can be made by the control unit of the cooker hood. For this purpose, the detection unit is preferably connected to the control unit.
- the air outlet device or the air outlet devices are successively movable in opposite directions, in particular pivotable.
- the advantage can be obtained that, in addition to preventing escape of the vapor from the space below the extractor hood, the fumes can be fanned in addition to the suction opening.
- the supply air flow to the air outlet device is particularly preferably interrupted.
- the movement in which the air supply is interrupted is the movement in which the air outlet device is pivoted so that the air outlet openings are moved in a direction which faces away from the axis of the extractor hood.
- This temporary interruption of the supply air prevents fumes from the air curtain exiting the air outlet device from being fanned out of the hob.
- the interruption of the supply air flow to the air outlet device for example, by closing the lower channel end or the upper channel end, which faces the fan, take place. With an additional blower, through which the supply air flow is generated, the interruption can be done by switching off the additional blower.
- At least one air outlet device is continuously rotatable in a direction about the longitudinal axis of the air outlet device, that is, can be rotated through 360 ° and more.
- This embodiment is advantageous, for example, in a rotationally symmetrical air outlet device.
- air outlet openings are then preferably distributed over the circumference of the air outlet device. Therefore, in a continuous rotation of the air outlet device, preferably in the direction of the axis of the extractor hood successive air curtain can be generated and thereby fanned the vapors particularly efficient to the intake of the viewing hood or pressed.
- the or the air outlet devices can be fixed in at least two positions.
- a position may be, for example, a vertical orientation of the air outlet device. In this position, which can also be referred to as rest position, the air curtain is discharged through the air outlet device vertically downwards.
- Another position which may be referred to as an operating position, is, for example, a position in which the air outlet device is swung out of the rest position. By keeping the air vent in these positions, the air curtain can be directed to the desired areas under the hood as long as necessary.
- the air outlet device is moved automatically, in particular the air outlet device is driven, for example, by a drive unit and / or automatically fixed in one position. In this case, conditions can be stored in a control unit of the extractor hood, in which appropriate movements of the corresponding air outlet device to be performed or in which a corresponding position of the air outlet device to be set.
- the blower for the supply air can be in the extractor hood according to the invention, the fan of the hood.
- the fan for the supply air is a separate auxiliary fan.
- the invention relates to a method for operating an extractor hood comprising a fan, a viewing hood and at least one supply air duct.
- the method is characterized in that the at least one supply air duct has a channel end which lies in the lower region of the viewing hood, and at least one air outlet device is arranged at the channel end and the at least one air outlet device is moved at least temporarily in at least one direction with respect to the extractor hood.
- a plurality of air outlet devices are provided on the extractor hood and are moved in different directions. Particular preference is given to air outlet devices which are located at opposite edges of the intake opening. tion of the viewing hood are provided so moved that the air curtain issued by this air are repeatedly moved towards each other.
- At least one air outlet device is at least temporarily moved one after the other in a first and then in a second opposite direction.
- the supply air flow is preferably interrupted in a direction of movement of the air outlet device.
- a first air outlet device is held in a first position and a second air outlet device in a second position.
- This type of control of the air outlet devices is particularly suitable to individual areas, such as individual cooking zones, a hob, which is located under the hood, surrounded by the air curtain formed by the air curtain of the individual air outlet devices and thus ensure suction of vapors of these zones.
- the movement of the at least one air outlet device is selected as a function of the presence of objects and / or of ambient conditions in the area of the extractor hood. This selection can be done by means of a control unit, which then activates corresponding drive units for driving the air outlet devices.
- the movements and / or positions of the air outlet devices to be set can be stored in the control unit.
- the movement of the at least one air outlet device is carried out automatically.
- the movement here may be a movement of at least one air outlet device into a predetermined position, a continuous movement of at least one air outlet device in a predetermined direction of rotation, or a continuous movement of at least one air outlet device in opposite directions of rotation.
- the automatic movement does not require the user of the cooker hood to bring the air outlet device into the desired position.
- FIG. 1 shows a schematic sectional view of an embodiment of the extractor hood according to the invention
- FIG. 2 shows a schematic perspective view of an embodiment of the extractor hood according to the invention with air outlet devices in a first operating position
- FIG. 3 shows a schematic perspective view of an embodiment of the extractor hood according to the invention with air outlet devices in a second operating position;
- FIG. 4 shows a schematic perspective view of an embodiment of the extractor hood according to the invention with air outlet devices in a third operating position
- FIG. 5 shows a schematic bottom view of a further embodiment of the extractor hood according to the invention.
- FIG. 6 shows a schematic detail view of the air outlet device of the embodiment of the extractor hood according to FIG. 5;
- FIG. 7 shows a schematic bottom view of a further embodiment of the extractor hood according to the invention.
- FIGS. 8a and 8b are schematic views of an embodiment of the air outlet device in a rest position and an operating position; a schematic perspective view of another embodiment of the invention of the extractor hood; FIG. 10 shows a schematic detail view of the air outlet device of the embodiment of the extractor hood according to FIG. 9; and
- FIG. 11 shows a schematic bottom view of the air outlet device according to FIG. 10.
- FIG. 1 shows a schematic sectional view of an embodiment of the extractor hood 1 according to the invention.
- the extractor hood 1 comprises a viewing hood 10 and an exhaust pipe 1 1.
- the exhaust pipe 1 1 may also be a fireplace.
- a blower 12 is inserted inside the extractor hood 1, a blower 12 is inserted.
- the fan 12 is arranged in the illustrated embodiment inside the viewing hood 10.
- the blower 12 may, however, at least partially also be arranged in the exhaust pipe 11 or chimney. Below the blower 12, a grease filter 13 is arranged, is cleaned over the ascending vapor. On the inside of the viewing hood 10 supply air channels 101 are formed. In the illustrated embodiment, the
- the intermediate wall 101 1 extends from the lower edge of the viewing hood 10 to the fan 12.
- the supply air ducts 101 are thus formed between the outer wall of the viewing hood 10 and the intermediate wall 1011.
- the supply ducts 101 preferably extend in such a way that the entire side edges of the intake opening 100 of the sighting hood 10 are delimited by one duct end 1010 each of a supply air duct 101.
- the two channel ends 1010 visible in FIG. 1 extend along the side edges of the suction opening 100 of the viewing hood 10.
- a continuous supply air channel 101, whose channel end 1010 extends around the suction opening 100 of the viewing hood 10 to extend through a correspondingly shaped intermediate wall. is formed.
- the vapor W which forms below the extractor hood 1, is sucked into the viewing hood 10 via the intake opening 100 by the negative pressure generated by the blower 12.
- the air thus cleaned passes in the illustrated embodiment to the blower 12. From there, a portion of the air is removed via the exhaust pipe 1 1 and discharged, for example, in the environment or in the room in which the hood 1 is operated. Another portion of the cleaned air is passed from the fan 12 into the supply air channels 101.
- FIG. 2 shows a schematic perspective view of an embodiment of the inventive extractor hood 1 with air outlet devices 102 (not visible) in a first operating position.
- the air outlet devices 102 are pivoted on the left and right edges of the suction port 100 of the hood 1 so that the air from the supply air duct 101 inward, that is, in the direction of the axis A of the haze - Extractor hood 1 emerges.
- a right air curtain 31 which is inclined to the lower left and a left air curtain 30, which is inclined to the right, formed.
- a rear or rear air curtain 32 is formed, which is directed vertically downwards in the illustrated embodiment.
- the air outlet devices 102 at the right and left edges of the suction port 100 can be moved so that the right air curtain 31 moves to the right outside and the left air curtain 30 moves to the left side. If this movement is repeated and executed in opposite directions, the vapor W from the hob 2, in addition to the negative pressure of the blower 12, is forced through the air curtains 30, 31 to the suction opening 100.
- the supply air flow to the channel end 1010 is interrupted.
- FIG. 3 shows a schematic perspective view of an embodiment of the extractor hood 1 according to the invention with air outlet devices 102 in a second operating position.
- the air outlet devices 102 are preferably held or fixed, that is, are not moved out of this position.
- the left air curtain 30 is directed vertically downwards and the right air curtain 31 is directed down to the left.
- Wrasen W which rises from this cooking zone, thus can not escape to the sides and is sucked in by the hood 1.
- a rear and / or front air curtain can be generated.
- a rear air curtain is not necessary when the extractor hood 1 is attached to a room wall. In this case, namely, the escape of Wrasens W is prevented by the back wall of the room.
- FIG. 4 shows a schematic perspective view of an embodiment of the inventive extractor hood 1 with air outlet devices 102 in a third operating position.
- the left air curtain 30 is inclined to the bottom right and the right air curtain 31 is also inclined to the bottom right.
- the right-hand cooking of the hob 2 is shielded.
- an area to the right of the hob 2 is shielded.
- another cooking appliance 4 for example, a toaster can stand.
- FIG. 5 shows a schematic bottom view of a further embodiment of the extractor hood 1 according to the invention. In this embodiment, only at the front edge of the suction port 100, an air outlet device 102 is shown. However, it is also possible in this embodiment to provide air outlet devices 102 on all four edges of the rectangular intake opening 100.
- the air outlet device 102 constitutes a tube 103.
- the tube 103 extends horizontally along the front edge of the suction opening 100 and in particular along the front edge of the sighting hood 10.
- air outlet openings 1021 introduced in the form of Beerauslasslöchern 104.
- a plurality of rows of holes 1040 are introduced, each extending in the longitudinal direction of the tube 103 and are arranged parallel to each other.
- FIGS. 5 and 6 only two rows of holes 1040 can be seen. Through these two rows of holes 1040, which can be seen in more detail in the detail view of FIG. 6, two air curtains 33 are emitted from the air outlet device 102.
- the air curtains 33 extend radially to the axis of the tube 103. Thus, in the area of the air curtain 33 in which these meet the hob 2 or an adjacent worktop, there is a distance between the two air curtains 33. According to one embodiment, 103 rows of holes 1040 are introduced over the entire circumference of the tube. If the pipe 103 is thus rotated in the direction indicated by the curved arrow in FIG. 5, a new air curtain 33 always passes from the front of the hob 2 to its center or rear side and the vapor W ascending from the hob 2 thus becomes continuous pushed or directed in the direction of the suction port 100.
- FIG. 7 shows a schematic perspective bottom view of a further embodiment of the extractor hood 1 according to the invention.
- the air outlet device 102 is formed by a sheet 105.
- slots 106 are introduced, which lie in the embodiment shown perpendicular to the longitudinal extent of the plate 105.
- the plate 105 extends along the entire lower right edge of the viewing hood 10 and is shown in Figure 7 in an operating position in which the air curtain is directed in a direction inclined to the vertical and on the axis of the hood 1 out.
- the plate 105 is rotatably arranged on the supply air duct 101.
- air outlet devices 102 may be provided on all edges of the viewing hood.
- the air outlet devices 102 can hereby be designed differently. Specifically, the air outlet devices 102 provided at the front edge and the rear edge of the suction port 100 may have a different structure from the air outlet devices 102 provided at the side edges of the suction port 100.
- FIGS. 8a and 8b show schematic views of an embodiment of the air outlet device 102 in a rest position and an operating position.
- the air outlet device 102 consists of a plurality of air outlet elements 1020, which are arranged adjacent to each other at a small distance.
- the air outlet elements 1020 represent pipe sections 107 whose pipe axes are parallel to one another.
- the pipe pieces 107 are connected to one another via a connecting element 108, which represents a bar or a sheet metal strip.
- two connectors 108 are provided, one in the region of one end the pipe sections 107 and the other in the region of the other end of the pipe sections 107 is connected to the pipe sections 107.
- FIG. 1 An extractor hood 1, in which such an air outlet device 102 is provided, is shown schematically in FIG.
- an air outlet device 102 is provided only at the front lower edge of the viewing hood 10. But it can also be provided on the back of a corresponding air outlet device (not shown).
- air outlet devices according to the embodiments of Figure 5 or 7 may be provided.
- the pipe sections 107 are in the vertical.
- the upper end serves as an air supply opening.
- the upper end may be attached for this purpose, for example via elastic material, which is shown as a seal 109, at the channel end 1010 of the supply air duct 101 and the distances between the pipe sections 107 may be covered for example by a metal sheet.
- the tube pieces 107 pivot and the air curtain which is dispensed is, for example, inclined to one side as shown in FIG.
- the present invention can address the problem that sometimes occurs when cooking, while raising such an amount of steam and impinging on the hood that can not be fully aspirated due to the maximum power limit of the fan.
- a closed geometry that is, a closed air curtain may be formed by air curtains exiting air outlet devices to confine the steam therein while the blower sucks.
- different configurations of the air movement can be set with the present invention. The simplest way is to generate an air curtain or a single air curtain that directs the steam from the hob to the cooker hood with repeated movement.
- the air curtain can be focused for that position.
- infrared sensors or other measuring devices can be used which recognize the hottest zone on the hob. The sensor must be the entire Surface of the hob can scan with the beam.
- Another alternative is to install a camera, take a picture of the surface and use a microprocessor to compare the temperature with room temperature. With an air curtain focused on a zone, it is possible to work with a lower angle of attack, and for this reason efficiency can be improved because the enclosed space is reduced and the steam has less space to spread. At the same time the suction is improved to improve the intake of air.
- air outlet devices are pivoted, for example in the form of a sheet or a tube.
- the pivoting takes place here about the longitudinal axis of the air outlet device.
- the second mechanism rotates in another axis to move the air curtain. This movement can be realized with articulated cylinders.
- the capacities of the extractor hood can be improved.
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Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201630771A ES2646923B1 (es) | 2016-06-08 | 2016-06-08 | Campana extractora de humos y procedimiento para la puesta en funcionamiento de una campana extractora de humos |
| PCT/IB2017/053268 WO2017212379A1 (de) | 2016-06-08 | 2017-06-02 | Dunstabzugshaube und verfahren zum betreiben einer dunstabzugshaube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3469266A1 true EP3469266A1 (de) | 2019-04-17 |
| EP3469266B1 EP3469266B1 (de) | 2022-08-10 |
Family
ID=59054156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17729554.0A Active EP3469266B1 (de) | 2016-06-08 | 2017-06-02 | Dunstabzugshaube und verfahren zum betreiben einer dunstabzugshaube |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3469266B1 (de) |
| ES (1) | ES2646923B1 (de) |
| WO (1) | WO2017212379A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631095B (zh) * | 2018-06-25 | 2025-08-12 | 青岛海尔智慧厨房电器有限公司 | 风幕吸油烟机 |
| CN110631098A (zh) * | 2018-06-25 | 2019-12-31 | 青岛海尔智慧厨房电器有限公司 | 风幕吸油烟机 |
| CN110631080B (zh) * | 2018-06-25 | 2025-08-12 | 青岛海尔智慧厨房电器有限公司 | 风幕吸油烟机 |
| CN110631079B (zh) * | 2018-06-25 | 2026-01-02 | 青岛海尔智慧厨房电器有限公司 | 风幕吸油烟机 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1227855A (de) * | 1968-03-14 | 1971-04-07 | ||
| JP2654227B2 (ja) * | 1990-04-13 | 1997-09-17 | 株式会社熊谷組 | 排気方法 |
| KR100595573B1 (ko) * | 2004-09-20 | 2006-07-03 | 엘지전자 주식회사 | 주방용 배기장치 |
| KR100600731B1 (ko) * | 2004-12-15 | 2006-07-18 | 엘지전자 주식회사 | 배기후드 |
| JP2008057839A (ja) * | 2006-08-30 | 2008-03-13 | Toto Ltd | レンジフード及びその調整方法 |
| DE102006055001A1 (de) * | 2006-11-17 | 2008-05-21 | Bohner Produktions Gmbh | Dunstabsaugeinrichtung |
| CN202125973U (zh) * | 2011-06-21 | 2012-01-25 | 周辰洋 | 可防止油烟外溢的排油烟机 |
| CN204026779U (zh) * | 2014-06-06 | 2014-12-17 | 盛永刚 | 改进的油烟机隔烟装置 |
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2016
- 2016-06-08 ES ES201630771A patent/ES2646923B1/es active Active
-
2017
- 2017-06-02 EP EP17729554.0A patent/EP3469266B1/de active Active
- 2017-06-02 WO PCT/IB2017/053268 patent/WO2017212379A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP3469266B1 (de) | 2022-08-10 |
| ES2646923A1 (es) | 2017-12-18 |
| WO2017212379A1 (de) | 2017-12-14 |
| ES2646923B1 (es) | 2018-10-15 |
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