EP3722676A1 - Dispositif ventilateur permettant d'aspirer et d'évacuer des vapeurs en dessous d'une plaque de cuisson, procédé de fonctionnement du dispositif ventilateur et plaque de cuisson - Google Patents

Dispositif ventilateur permettant d'aspirer et d'évacuer des vapeurs en dessous d'une plaque de cuisson, procédé de fonctionnement du dispositif ventilateur et plaque de cuisson Download PDF

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Publication number
EP3722676A1
EP3722676A1 EP20162060.6A EP20162060A EP3722676A1 EP 3722676 A1 EP3722676 A1 EP 3722676A1 EP 20162060 A EP20162060 A EP 20162060A EP 3722676 A1 EP3722676 A1 EP 3722676A1
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EP
European Patent Office
Prior art keywords
fan
hob
fan device
suction chamber
vapor
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.)
Withdrawn
Application number
EP20162060.6A
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German (de)
English (en)
Inventor
Christian Lauderlein
Ole Behrens
Ingo Hüster
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP3722676A1 publication Critical patent/EP3722676A1/fr
Withdrawn legal-status Critical Current

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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

Definitions

  • Fan device for sucking in and diverting vapors below a hob, method for operating the fan device and hob
  • the invention relates to a fan device for sucking in and discharging vapors below a hob, a method for operating the fan device and a hob.
  • Vapor also known as kitchen vapors, is created during cooking processes, for example above a hob.
  • extractor devices are known which are arranged above the hob.
  • extractor devices which are arranged in and / or below the plane of the hob.
  • the vapor enters the ducts of the extractor device through an inlet opening in the level of the hob.
  • the fan of the extractor device is preferably arranged below the hob, so that the vapors are ultimately moved from their place of origin above the hob to below the hob.
  • the US 4042806 A shows a fan device for a horizontal suction of vapors into a fan whose axis of rotation is horizontal.
  • the approach presented here has the task of creating an improved fan device for sucking in and discharging vapors below a hob, an improved method for operating a fan device and an improved hob.
  • this object is achieved by a fan device for sucking in and discharging vapors below a hob, a method for operating the fan device and a hob with the features or the step of the main claims.
  • a fan device is therefore presented for sucking in and diverting vapors below a hob, which has a suction chamber and a double-flow fan arranged in the suction chamber.
  • the fan is designed to suck in and divert the vapors from the hob.
  • the fan is preferably implemented as a vertically sucking radial fan. This means that an axis of rotation of the fan is oriented essentially perpendicular to the glass plate of the hob.
  • the glass plate of the hob is aligned horizontally when it is ready for operation and installed in the kitchen furniture, and the axis of rotation of the fan is accordingly oriented vertically when it is ready for operation.
  • the fan has two openings on opposite suction side surfaces of the fan. These suction side surfaces of the fan are aligned parallel to the hob.
  • the openings are made, for example, in a fan housing of the fan.
  • the openings can also cover a major part of these suction side surfaces, in particular more than half of the suction side surfaces of the fan housing of the fan.
  • a fan device with a suction duct and a suction chamber is provided here, a vertically directed flow of vapors from the suction duct being transformed and sucked horizontally into the suction chamber.
  • the double-flow fan with a vertical axis of rotation which is arranged in the suction chamber, converts the vapor into two opposite vertical flows in the suction chamber. This enables an enlargement of a flow cross-section with little installation space. This leads to a reduction in a noise level with the same fan power.
  • the suction chamber has a discharge interface on one side wall, which is designed to divert the vapor from the suction chamber via the fan, and the suction chamber has a further discharge interface on a further side wall, which is designed to divert the vapor over to divert the fan from the suction chamber.
  • a design of the suction chamber advantageously offers the possibility of mounting the fan in various ways.
  • the vapor can be diverted, for example, either via the discharge interface or alternatively via the further discharge interface.
  • the hob can thereby depending on Installation scenario can be installed differently in a kitchen, for example, which significantly increases the flexibility of use of the fan device presented here.
  • the fan device is implemented, for example, as an extractor hood for the hob so that odors or vapors that arise, for example, during a cooking process and are referred to as vapor, can be diverted.
  • the hob can be implemented, for example, as an induction hob, but also as a ceramic hob.
  • the fan can, for example, also be referred to as a blower and can be arranged, for example, in the suction chamber, so that the suction chamber is also designed to protect the fan, which is implemented with a double flow. This means that the vapor can get into the fan through two separate channels before it is discharged. The vapor or further air or steam can thus be fed to the fan through channels that are separate from one another.
  • the fan can also be arranged in the receiving chamber, i. H. for example, be completely enclosed or surrounded by the receiving chamber.
  • the approach presented here is based on the knowledge that by using a double-flow fan, a very large amount of air can be moved when the fan is in operation. In contrast to the use of a single-flow fan only, this allows the fan to be used more efficiently and thus a flow loss during operation of the fan is reduced as much as possible or avoided entirely.
  • Such a double-flow fan can also be produced very inexpensively, so that no particular effort is required for the implementation of the approach presented here. This applies in particular if the intake chamber, the fan or a housing of the fan were made from a stamped sheet metal part and / or a plastic material into which the feed openings for the double-flow fan were made.
  • the arrangement of the fan in the receiving chamber can also provide a very compact component which, on the one hand, advantageously protects the fan as a movable component and, on the other hand, can be easily installed in the hob.
  • By enclosing the fan with the suction chamber it can be achieved that little dirt can get into the fan, especially if the fan device is arranged below a hob and there would otherwise be the risk that liquid overflowing during cooking could get into the fan and would interfere with the operation of the fan.
  • the fan device can have two openings for taking up vapor from the suction chamber, in particular wherein the two openings can be arranged on two opposite sides of the fan.
  • the openings can be implemented, for example, as passage openings in a housing of the fan, between which the fan can be arranged.
  • the Opposite sides on which the openings are arranged can be implemented, for example, as opposed main surfaces of the fan, also referred to as suction side surfaces of the fan.
  • suction side surfaces of the fan As a result, more vapor can advantageously be discharged in less time.
  • the arrangement of the openings on opposite sides of the fan also enables the least possible disruption or resistance to the air flow, since the openings are arranged very far from one another in this way.
  • the fan can be designed as a radial fan. This means that the fan is arranged radially on the hob. According to one embodiment, a useful surface of the hob can accordingly be arranged essentially parallel to the fan or essentially perpendicular to an axis of rotation of the fan. This advantageously saves installation space.
  • the fan device can furthermore have an intake duct adjoining the intake chamber, which is shaped in order to guide the vapor to the fan.
  • the intake duct can be shaped, for example, as a channel.
  • odors or vapors can thereby be derived from the hob and in this way customer satisfaction can be increased.
  • the fan device can also be arranged in a favorable position in the hob without causing high air resistance during operation of the fan device.
  • the fan device is presented with the suction chamber, which can be oriented essentially at right angles to the suction shaft.
  • a main extension plane of the suction chamber can be oriented essentially perpendicular to a side wall of the suction shaft.
  • the vapor can advantageously be deflected by 90 °, as a result of which a number of flow deflections is reduced and, as a result, a reduction in air resistance is achieved when the fan device is in operation.
  • An inexpensive production of the fan device can also be realized by a simple possibility of mounting the fan device on the intake duct.
  • the suction chamber can have an opening that can be shaped to let the vapor into the suction chamber, in particular wherein the opening can be designed as an interface to the suction duct or can be adjacent to the suction duct.
  • the size of the opening can advantageously increase the performance of the fan device and at the same time optimize a background noise for the user, for example by avoiding edges in the air flow which on the one hand disturbing noises can arise and on the other hand an air resistance of the air flow could be increased during the operation of the fan device.
  • the suction chamber can have a discharge interface on a side wall which can be designed to discharge the vapor from the suction chamber via the fan.
  • the side wall can be implemented as a secondary wall of the fan, which is for example oriented essentially perpendicular to the main surface of the suction chamber.
  • the discharge interface can also be implemented as a passage opening through which the vapor can be discharged.
  • the discharge interface can have a round or angular cross section, in particular wherein the cross section of the discharge interface can be changed by means of an adapter.
  • the adapter can be implemented, for example, as an accessory for the hob, so that the fan device can advantageously be used in different types of hob models.
  • an exhaust air connection of the fan can be coupled and / or can be coupled to the discharge interface.
  • a coupling can be understood, for example, to mean that the exhaust air connection is fastened, for example screwed, to the discharge interface, which is formed, for example, as an opening in a wall of the suction chamber.
  • the fan can advantageously be exchangeable, for example during maintenance.
  • the suction chamber of the fan device can have a further discharge interface on a further side wall, which can be designed to divert the vapor from the suction chamber via the fan, in particular wherein the further discharge interface can be closable.
  • the further side wall is implemented as a further secondary wall.
  • the hob can be implemented, for example, as an induction hob, but also as a ceramic hob.
  • the hob can be used, for example, as a household appliance, but also as a commercial appliance.
  • a method for operating a fan device of one of the variants presented here comprising a step of controlling the fan in order to suck in and divert the vapors from the hob.
  • the method can be used, for example, in a hob, as mentioned above, and can be carried out by a control device.
  • the approach presented here also creates a control device which is designed to carry out, control or implement the steps of a variant of a method presented here in corresponding devices.
  • the object on which the invention is based can also be achieved quickly and efficiently through this embodiment variant of the invention in the form of a control device.
  • the control unit can be designed to read in input signals and to determine and provide output signals using the input signals.
  • An input signal can, for example, represent a sensor signal that can be read in via an input interface of the control device.
  • An output signal can represent a control signal or a data signal which can be provided at an output interface of the control device.
  • the control device can be designed to determine the output signals using a processing rule implemented in hardware or software.
  • the control device can comprise a logic circuit, an integrated circuit or a software module and, for example, can be implemented as a discrete component or be comprised of a discrete component.
  • FIG. 1 shows a schematic cross-sectional illustration of a hob 100 with a fan device 105 according to an embodiment.
  • the hob 100 is implemented or can be implemented, for example, as a ceramic hob and / or as an induction hob.
  • the hob 100 is shaped in order to heat food, for example in a cooking process.
  • part of the hob 100 in addition to the fan device 105, is a glass plate 110, which is implemented as a storage area for a vessel, such as a pot or pan.
  • the fan device 105 is designed to suck in and discharge vapors located above the hob 100.
  • the fan device 105 comprises a suction chamber 115 and a double-flow fan 120 which is arranged in the suction chamber 115.
  • the suction chamber 115 is shaped to take up the vapor and to protect the fan 120 from environmental influences.
  • the fan 120 is designed to suck in and divert the vapor from the hob 100 and can be implemented, for example, as a vertical radial fan. This means that an axis of rotation of the fan is oriented essentially perpendicularly (here vertical) to the glass plate 110 of the hob 100, which is oriented horizontally in the installed state.
  • the fan 120 has two openings 123 on opposite suction side surfaces of the fan 120, which are aligned parallel to the hob 100. These openings are made, for example, in a housing of the fan 120, which is formed from a plastic material or from sheet metal.
  • the openings 123 can also occupy a major part of these suction side surfaces, that is to say, for example, cover more than half of the major surface of the housing of the fan 120.
  • main surface or suction side surfaces denotes one side of the housing of the fan 120, but does not focus on the fact that material is actually present on this surface throughout Openings can therefore also be present on the surface, but these are thought to be included in this surface.
  • the double-flow fan 120 comprises, as already stated above, the two openings 123, which are in the in the Figure 1 illustrated embodiment are arranged on opposite suction side surfaces of the housing of the fan 120.
  • the fan 120 should also have a sufficient distance from one of the side walls of the suction chamber 115, so that a gap between the housing of the fan 120 and a wall of the suction chamber 115 is not too small in order not to unnecessarily obstruct the air flow when the fan 120 is in operation hinder and thereby generate unnecessary air resistance.
  • the fan 120 can be installed in the suction chamber 115 in such a way that it has the same distance between opposite sides or walls of the suction chamber 115, so that structural measures ensure that an air flow through the suction chamber 115 into the fan 120 is as little obstructed as possible becomes.
  • the fan device 105 comprises an intake duct 125, which is shaped to circulate the vapors in accordance with the in the Figure 1 to guide the arrows shown to the fan device 105.
  • the suction duct 125 is aligned vertically with respect to the hob 100, for example, upstream of an air flow to the fan 120 of the suction chamber 115.
  • the suction chamber 115 is oriented essentially at right angles to the suction duct 125 and adjacent to the suction duct 125. This means that the suction chamber 115 according to this exemplary embodiment is aligned essentially parallel to the hob 100 or the glass plate 110 of the hob 100.
  • the suction chamber 115 can have a completely open side, so that a missing side wall can accordingly be assumed on this side.
  • the fan device 105 can then be connected to the suction duct 125 via this open side, so that a very wide opening results between the suction duct 125 and the suction chamber 115, which is advantageous, on the one hand, with regard to the lowest possible noise development, since edges that are missing in one
  • the air flow guided over it cause noise and, on the other hand, offer very low air flow resistance due to the very wide opening cross-section and thus enable very efficient air flow guidance.
  • the fan 120 sucks in the vapors from the hob 100 when it is in operation, so that the vapors are directed through the suction shaft 125 into the suction chamber 115, from where it flows through the openings 123 of the double-flow Fan 120 via an exhaust air connection 130, which is also referred to as an exhaust air outlet, of the fan 120 is derived.
  • the exhaust air connection 130 is aligned with a rear wall of the suction chamber 115 and coupled and / or can be coupled to a discharge interface which is connected to a (in the Figure 1 rear) side wall of the suction chamber 115 is arranged.
  • the exhaust air connection 130 can also be screwed to the side wall of the suction chamber 115 at the discharge interface in order to enable a stable and as fluid-tight connection as possible for discharging the vapors from the fan 120.
  • the discharge interface is designed accordingly to discharge the vapor accelerated by the fan 120 from the suction chamber 115 or the housing of the fan 120 and, according to this exemplary embodiment, can have a round or, alternatively, an angular cross section. According to this exemplary embodiment, for example, an adaptation of a round cross-section with a diameter of approx. 150 mm to angular shapes is always possible.
  • the cross section according to this exemplary embodiment can be changed using an adapter which is available, for example, as an accessory. In this way, the conditions of the installation scenario in a hob 100 or a kitchen in which the hob 100 is to be installed can be taken into account very efficiently, as a result of which the fan device 100 can be used very flexibly.
  • the suction chamber 115 has an optional further discharge interface 135 on a further side wall, which can be closed.
  • the further discharge interface 135 is closed, for example, by means of a closure cap, which is screwed to the relevant side wall of the suction chamber 115, for example, by means of a screw connection.
  • the further discharge interface 135 is designed to discharge the vapor from the suction chamber 115 via the fan 120.
  • the fan 120 can be arranged or aligned variably in two outgoing air directions, depending on which of the discharge interface 135 or the further discharge interface 135 is coupled to the exhaust air connection of the fan 120.
  • a fan device 105 with a horizontally directed flow of vapor in the fan device 105 is presented here.
  • the vapor is sucked horizontally into the suction chamber 115, which can also be referred to as an expanded fan housing, using a vertical axis of rotation of the fan 120.
  • the suction chamber 115 which can also be referred to as an expanded fan housing, using a vertical axis of rotation of the fan 120. Due to an enlargement of a flow cross-section, double-sided suction of the double-flow fan 120 achieves better performance and a reduction in noise, since a larger flow cross-section can result in a lower speed of the fan 120 or a lower speed at the same speed Air resistance opposed to the air flow.
  • Rotating the fan 120 or coupling the exhaust air connection 130 to the further discharge interface 135 enables different blowing directions of the air flow out of the fan device 105 and thus a more flexible assembly of the hob 100.
  • the fan 120 is arranged completely in the suction chamber 115 and is thus installed so that it is protected against environmental influences.
  • FIG. 2 shows a schematic plan view of a fan device 105 according to an embodiment along one in FIG Figure 1
  • the fan device 105 can be of the type shown in FIG Figure 1 described fan device 105 correspond.
  • the perspective is shown only differently, since the fan device 105, as already mentioned, is shown in a top view.
  • the intake duct 125 directly adjoins the intake chamber 115, as is also the case in FIG Figure 1 is already shown.
  • a direction of movement of the vapor is shown by arrows 200 shown.
  • FIG 3 shows a schematic cross-sectional illustration of a hob 100 with a fan device 105 according to an embodiment.
  • the hob 100 shown here can be compared to the in Figure 1 described hob 100 correspond.
  • An orientation of the fan device 105 is shown only differently, since the fan device 105 according to this exemplary embodiment dissipates the vapor via the further discharge interface 135.
  • the exhaust air connection of the fan 120 is thus coupled to the further discharge interface 125.
  • the discharge interface 300 with which the fan 120 via its exhaust air connection in Figure 1 was coupled, is locked.
  • FIG. 4 shows a schematic plan view of a fan device 105 according to an embodiment along one in FIG Figure 3 The section through the fan device 105 and the intake duct 125 shown here.
  • the fan device 105 can be of the type shown in FIG Figure 3 described fan device 105 correspond. The perspective is shown only differently, since the fan device 105, as already mentioned, is shown in a top view.
  • the suction duct 125 also adjoins the suction chamber 115.
  • FIG. 5 shows a flowchart of a method 500 for operating a fan device according to an embodiment.
  • the method 500 includes a step 505 of activating the fan in order to suck in and divert the fumes from the hob.
  • the according to this exemplary embodiment, method 500 can be carried out in a hob with a fan device, as shown in FIGS Figures 1 to 4 has been described.
  • FIG. 6 shows a schematic representation of a control device 600 for performing a method for operating a fan device for a hob 100 according to an embodiment.
  • the control device 600 is designed to carry out the method as shown in FIG Figure 5 has been described.
  • the control device 600 controls the fan by means of a control unit 605. In this way, the air flow can also be transported very efficiently and with little resistance from the hob 100 via, for example, the intake duct, the intake chamber and the fan and transported out of the fan device 105 through the corresponding discharge interface.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP20162060.6A 2019-04-10 2020-03-10 Dispositif ventilateur permettant d'aspirer et d'évacuer des vapeurs en dessous d'une plaque de cuisson, procédé de fonctionnement du dispositif ventilateur et plaque de cuisson Withdrawn EP3722676A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019109401.1A DE102019109401A1 (de) 2019-04-10 2019-04-10 Lüftereinrichtung zum Ansaugen und Ableiten von Wrasen nach unterhalb eines Kochfeldes, Verfahren zum Betreiben der Lüftereinrichtung und Kochfeld

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EP3722676A1 true EP3722676A1 (fr) 2020-10-14

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EP20162060.6A Withdrawn EP3722676A1 (fr) 2019-04-10 2020-03-10 Dispositif ventilateur permettant d'aspirer et d'évacuer des vapeurs en dessous d'une plaque de cuisson, procédé de fonctionnement du dispositif ventilateur et plaque de cuisson

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EP (1) EP3722676A1 (fr)
DE (1) DE102019109401A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4246046A1 (fr) * 2022-03-15 2023-09-20 Electrolux Appliances Aktiebolag Appareil de combinaison et procédé d'assemblage d'un appareil de combinaison

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496704A (en) * 1966-12-07 1970-02-24 Broan Mfg Co Inc Convertible hood for console range
US4042806A (en) 1977-01-19 1977-08-16 Jenn Air Corporation Ventilated range with plug-in cooking units
EP2778425A1 (fr) * 2013-03-11 2014-09-17 BSH Bosch und Siemens Hausgeräte GmbH Ventilateur radial à double admission pour hotte aspirante
WO2018020336A1 (fr) * 2016-07-26 2018-02-01 Elica S.P.A. Table de cuisson
WO2019081274A1 (fr) * 2017-10-26 2019-05-02 BSH Hausgeräte GmbH Appareil combiné comprenant un dispositif d'aspiration des fumées et une table de cuisson

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496704A (en) * 1966-12-07 1970-02-24 Broan Mfg Co Inc Convertible hood for console range
US4042806A (en) 1977-01-19 1977-08-16 Jenn Air Corporation Ventilated range with plug-in cooking units
EP2778425A1 (fr) * 2013-03-11 2014-09-17 BSH Bosch und Siemens Hausgeräte GmbH Ventilateur radial à double admission pour hotte aspirante
WO2018020336A1 (fr) * 2016-07-26 2018-02-01 Elica S.P.A. Table de cuisson
WO2019081274A1 (fr) * 2017-10-26 2019-05-02 BSH Hausgeräte GmbH Appareil combiné comprenant un dispositif d'aspiration des fumées et une table de cuisson

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4246046A1 (fr) * 2022-03-15 2023-09-20 Electrolux Appliances Aktiebolag Appareil de combinaison et procédé d'assemblage d'un appareil de combinaison
WO2023174800A1 (fr) * 2022-03-15 2023-09-21 Electrolux Appliances Aktiebolag Appareil combiné et procédé d'assemblage d'appareil combiné

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