EP3410020B1 - Hotte aspirante pourvue d'élément filtrant pouvant être retiré - Google Patents

Hotte aspirante pourvue d'élément filtrant pouvant être retiré Download PDF

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Publication number
EP3410020B1
EP3410020B1 EP18174825.2A EP18174825A EP3410020B1 EP 3410020 B1 EP3410020 B1 EP 3410020B1 EP 18174825 A EP18174825 A EP 18174825A EP 3410020 B1 EP3410020 B1 EP 3410020B1
Authority
EP
European Patent Office
Prior art keywords
extractor hood
filter element
filter
housing
coil
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
EP18174825.2A
Other languages
German (de)
English (en)
Other versions
EP3410020A1 (fr
Inventor
Uwe Has
Wolfgang Beifuss
Engelbert Ober
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3410020A1 publication Critical patent/EP3410020A1/fr
Application granted granted Critical
Publication of EP3410020B1 publication Critical patent/EP3410020B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24C15/2064—Removing cooking fumes illumination for cooking hood
    • 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
    • F24C15/2021—Arrangement or mounting of control or safety systems
    • 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
    • F24C15/2035—Arrangement or mounting of filters

Definitions

  • the present invention relates to an extractor hood with a removable filter element.
  • Filter elements are used in extractor hoods in kitchens in order to filter out impurities, in particular fat, from fumes and vapors that are sucked in through the extractor hood.
  • the surface of the filter elements must be as large as possible.
  • extractor hoods are usually also used to illuminate a cooker and/or a work surface located below the extractor hood.
  • a so-called lighting screen is usually provided in the underside of the extractor hood.
  • the lighting devices in particular lamps or lights, are arranged in or on this lighting screen.
  • the lighting screens consist of a metal sheet in which openings for the lighting devices are provided. Other elements, such as sensors, can also be provided on these lighting screens.
  • a disadvantage of the known extractor hoods is that the area available for filtering out the impurities from the air is reduced by the lighting screens.
  • the air deflector includes a main engine, a power supply board, an air deflector, and a button board.
  • the button board is placed in the middle of the air deflector.
  • the air deflector is attached to the main engine via a hook mechanism and magnetic connection mechanism. Power transmission and connection between the button board and the power supply board are performed in a contactless wireless pairing mode. With this extractor hood, the lighting is also provided by the main engine.
  • WO2008003572A2 describes an operating unit for displaying and/or setting operating parameter values of at least one domestic appliance.
  • an extractor hood that has a frame device and a vapor guide device.
  • a suction surface is provided on a receiving portion of the frame means.
  • the suction surface and the receiving section are designed in such a way that the suction surface ends essentially flush with the front surface in a first section and is set back relative to the front surface in a second section, so that a section set back from the front surface is available on the frame device for arranging components for Available.
  • the components can be lighting devices.
  • a filter screen can be provided in the suction surface as part of a filter device and a filter element can be inserted in this screen.
  • EP2093501A2 a fume extraction device having a chimney part and a hood body connected to the lower end of the chimney part.
  • the filter device is installed at the gas inlet.
  • the lighting devices are provided in a first bottom wall of a first hollow member.
  • the object of the present invention is therefore to create an extractor hood in which, on the one hand, the filter surface can be designed as large as possible and the extractor hood can still fulfill additional functions, such as the illumination of underlying surfaces or, for example, the use of sensors
  • the invention is based on the finding that this object can be achieved by integrating at least some of the components required for the additional functions in the filter element.
  • an extractor hood which comprises a housing and at least one filter element which can be detachably fastened to the housing, the Extractor hood has an inductive transmission device and the filter element has at least one electrical consumer, a primary coil of the transmission device is arranged on the housing of the extractor hood and a secondary coil on the filter element and the secondary coil is connected to the at least one electrical consumer.
  • the extractor hood is characterized in that the at least one filter element is a filter cassette which has layers of expanded metal as the filter medium and at least one electrical consumer is a lighting device which is accommodated in the filter element and is used to illuminate surfaces located below the extractor hood.
  • the housing of the extractor hood can also be referred to as a viewing hood.
  • the housing represents the part of the extractor hood to which the at least one filter element is detachably attached.
  • a detachable attachment is an attachment that can be released without tools.
  • the filter element can, for example, be detachably fastened to the housing by means of latching means, clamping means or the like.
  • the extractor hood preferably has a plurality of filter elements. For the sake of simplicity, however, reference is primarily made below to a filter element. If several filter elements are provided, they can all be designed in the same way. However, it is also within the scope of the invention for the filter elements to be designed differently.
  • the filter element represents a filter cassette which, for example, can have layers of expanded metal as the filter medium.
  • the extractor hood has at least one inductive transmission device.
  • a transmission device that acts as a transformer is referred to as an inductive transmission device.
  • the transmission device preferably represents a resonance transmitter.
  • the transmission device has a primary coil and a secondary coil.
  • the primary coil is arranged on the housing of the extractor hood and the secondary coil on the filter element.
  • the coils are arranged in such a way that there is an air gap between the coils when the filter element is installed in the housing of the extractor hood.
  • the air gap is small and can be 4mm, for example.
  • the primary coil is supplied with a voltage, for example a voltage of normal mains frequency, an electromagnetic field is generated.
  • the secondary coil is at a small distance, the air gap, from the primary coil. Through this the coils are coupled and the electromagnetic field is transferred to the secondary coil.
  • the field induces a voltage in the secondary coil.
  • the primary coil is therefore used for supply and can, for example, supply 0.5A to 0.55A with a direct current of 24V that is applied to it, depending on the air gap.
  • the current can be set to 1.3 A, for example.
  • 9 to 15V for example, are present at the input of a driver connected downstream of the secondary coil.
  • the primary coil and secondary coil preferably have ferrite cores with turns of a high-frequency stranded wire.
  • the primary coil can be constructed as follows: 15 turns of HF stranded wire 90*0.071, 3 E cores, series resonance.
  • the secondary coil can be constructed as follows, for example: 8 windings of HF stranded wire 180*0.071, 3 E cores, parallel resonance.
  • Such a setup can have an operating frequency of 95 kHz and an efficiency (including a downstream driver, especially LED driver) of around 70-75% depending on the air gap and load.
  • the invention is not limited to this structure.
  • an inductive transmission device makes it possible to transmit energy and/or data from the housing of the extractor hood, in particular from other components that are accommodated in or arranged on the housing, to the filter element and in particular to and from the at least one electrical consumer transferred to.
  • the transmission takes place without contact.
  • the extractor hood is particularly safe to handle.
  • mechanical contacts such as plug contacts or sliding contacts
  • the transmission device according to the invention however, the transmission takes place between the coils, and when the filter element is removed from the extractor hood, the secondary coil provided therein is not live and therefore does not pose a risk to the user.
  • the electrical consumer is a lighting device.
  • the lighting device comprises at least one light source.
  • the light source can preferably be an LED.
  • the lighting device can have other components, such as a dimming unit.
  • This embodiment has the advantage that the design of the extractor hood can be changed in a simple manner. For example, different filter elements with different colors can be used by the user. Halogen lights can also be used instead of LEDs, for example. Because of the comparatively low efficiency and possibly high voltage of these lights, however, this embodiment is not preferred. In the event of a fault, a filter element with LED can be easily replaced by the extractor hood user.
  • At least one electrical consumer can include a sensor.
  • a sensor This makes it possible to integrate sensors into the filter element.
  • the sensor or other parts of the sensor system can be supplied with power by the transmission device.
  • data can also be transmitted to the sensor system by the transmission device.
  • the sensor system can be used, for example, to control the extractor hood or to monitor a hob arranged below the extractor hood.
  • a sensor system can also be used to detect the filter occupancy, ie the filter saturation.
  • At least one electrical consumer can be a display unit.
  • the display unit can also be referred to as a display.
  • the structure of the extractor hood is further simplified. Particularly in the case of so-called vertical hoods or inclined hoods, in which the underside of the filter elements is visible to the user, information can be displayed to the user via the display unit in the filter element, such as the set operating status of the extractor hood.
  • At least one electrical consumer can be an operating unit.
  • the structure of the extractor hood is further simplified.
  • the underside of the filter elements is visible to the user, the user can easily reach the operating unit, which is accommodated in the filter element.
  • the provision of a separate operating unit on the outside of the extractor hood, as is generally used in the prior art, can be omitted.
  • the power coupling of the transmission device ie between the primary coil and the secondary coil, is only present when the filter element is installed.
  • the correct installation of the filter element can be checked in a simple manner.
  • lighting elements that are supplied with energy by the transmission device are accommodated in the filter element. The user can thus be informed that the filter element is not correctly accommodated in the extractor hood by the absence of the lighting.
  • the inductive transmission device is a transmission device for transmitting energy to the filter element and for transmitting data from the primary coil to the secondary coil, from the secondary coil to the primary coil or for the bidirectional transmission of data between the primary coil and the secondary coil is.
  • the extractor hood has a lighting device exclusively on the at least one filter element.
  • the space saved in this way can be replaced by additional filter elements or by using larger filter elements can be used as a filter surface, thus increasing the efficiency of the extractor hood.
  • the transmission device has a primary side and a secondary side, the primary coil is present in the primary side and the secondary coil and a driver for an electrical load are present in the secondary side.
  • the transmission device and the at least one electrical consumer in the filter unit are preferably designed to be waterproof.
  • the transmission device can be cast in water-repellent material or housed in a waterproof housing in the filter unit.
  • the electrical consumers, such as LEDs, can each be accommodated in a watertight housing. This configuration makes it possible to clean the filter element in the dishwasher without damaging the transmission device and the at least one electrical consumer.
  • FIG. 1 shows a schematic representation of an embodiment of the extractor hood 1 according to the invention.
  • the extractor hood 1 has shown in the Embodiment has a chimney 10 and a housing 11 provided below the chimney. In the bottom of the housing 11 two filter elements 13 are used. In addition, a further filter element 13 is shown in the removed state.
  • An illumination screen 12 is provided in the underside of the housing 11 in the front area. Lighting elements 120 are provided in this lighting panel 12 .
  • two controls 15 are provided in the front of the housing 11 .
  • this filter element 13 has two lighting devices 130 as electrical loads, of which figure 1 only the lighting element is visible in each case.
  • the transmission device 14 comprises a primary side 140 and a secondary side 142.
  • the primary side 140 consists of a primary coil 140 which is connected via a switch S to a power supply. When the switch S is closed, for example, 24 V direct current is present at the primary coil 140 .
  • the secondary side 142 consists of a secondary coil 142 and a driver 144 connected to it.
  • the driver 144 is connected to two lighting devices 130 which have LEDs as the light source.
  • the LEDs can preferably be arranged on a heat sink.
  • the transmission device 14 comprises, for example, a magnetically coupled resonant converter and an LED driver.
  • FIG. 3 and 4 is a schematic view of an embodiment of the extractor hood 1 is shown, in which the middle of three filter elements 13 is pivoted downwards. As a result, the interior of the housing 11 and the top of the filter element 13 are visible.
  • the secondary side 142 of the transmission device 14 is visible on the upper side of the filter element 13 .
  • the secondary side 142 ie the secondary coil 143 and other necessary electronics 1420, such as a driver 144, is inserted into the filter element 13.
  • other parts of the lighting devices 130 in particular the heat sinks, can also be seen.
  • the primary side 140 of the transmission device 14 is introduced into the housing 11 .
  • the primary coil 141 is fixed in the housing 11 .
  • additional components of the electronics 1400 of the primary side are shown.
  • figure 4 shows the transmission device 14 from figure 3 in detail.
  • an inductive transmission device can also be used to transmit energy and/or data.
  • further electrical loads for example electronics, sensors, a display or an operating unit, can be operated in the filter element according to the invention.
  • these consumers are also reliably supplied with the necessary operating energy.
  • the lighting device and/or other electrical loads in the filter element can be supplied with data from other electronics in the extractor hood, which data contains, for example, the necessary control information for the load.
  • the consumers in the filter element can send data to other electronics in the extractor hood that are necessary for the appropriate operation of the extractor hood. For example, sensor signals or operator inputs can be transmitted.
  • an electrical consumer in the filter element of a fume hood is connected to other electronic units mounted in the fume hood itself, with energy and preferably bidirectional data being able to be transported via this connection.
  • the present invention has a number of advantages.
  • electrical consumers electronics, sensors, lighting, display
  • the previously known use of a Batteries or sliding or plug contacts for supplying the necessary operating energy are no longer necessary.
  • the handling of the extractor hood and on the other hand the safety are increased.
  • the operational safety of the entire extractor hood is thus massively increased.
  • the primary electronics in the extractor hood are completely unearthed due to the system and meet all safety requirements.
  • new design variants can be created at any time by simply exchanging the filter elements. For example, different types of lighting can be used. For example with and without a dimmer.
  • functional variants of the extractor hood can be created by replacing the filter elements (with/without sensors), different types of sensors for controlling the extractor hood or for monitoring the hob and the like.
  • the assembly ie the insertion of the filter elements into the housing of the extractor hood by the customer, remains as easy as ever.
  • Device variants such as a different number/type/position of lighting devices, can thus be displayed very quickly.
  • Optimizing inductive energy and data transmission is easy.
  • Device development is not difficult. For example, a simple transmission device can transmit 10W and has a slow data transmission. However, depending on the electrical consumer in the filter, this may be sufficient.
  • data transmission can be implemented very easily and at any time, which transmits data from the extractor hood to the filter element or from the filter element to the extractor hood.
  • the area available for the filter elements on the underside of the extractor hood becomes larger and the lighting devices can be freely positioned in the filter element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (8)

  1. Hotte aspirante comprenant un corps (11) et au moins un élément filtrant (13) à fixer de manière démontable au corps (11), dans laquelle la hotte aspirante (1) comprend un dispositif de transfert par induction (14) et l'élément filtrant (13) comprend au moins un dissipateur électrique, une bobine primaire (141) du dispositif de transfert (14) se trouve sur le corps (11) de la hotte aspirante (1) et une bobine secondaire (143) se trouve sur l'élément filtrant (13) et la bobine secondaire (143) est raccordée au au moins un dissipateur électrique, caractérisée en ce que le au moins un élément filtrant est une cassette filtrante, qui comprend des couches de métal étiré en tant que milieu filtrant et au moins un dissipateur électrique est un dispositif d'éclairage (130) compris dans l'élément filtrant et sert à l'éclairage des surfaces situées en dessous de la hotte aspirante.
  2. Hotte aspirante selon la revendication 1, caractérisée en ce qu'au moins un dissipateur électrique comprend un détecteur.
  3. Hotte aspirante selon l'une des revendications 1 ou 2, caractérisée en ce qu'au moins un dissipateur électrique est une unité d'affichage.
  4. Hotte aspirante selon l'une des revendications 1 à 3, caractérisée en ce qu'au moins un dissipateur électrique est une unité de commande.
  5. Hotte aspirante selon l'une des revendications 1 à 4, caractérisée en ce que le couplage de puissance du dispositif de transfert (14) ne peut se faire qu'à l'état encastré de l'élément filtrant (13).
  6. Hotte aspirante selon l'une des revendications 1 à 5, caractérisée en ce que le dispositif de transfert par induction (14) est réalisé en dispositif de transfert (14) servant au transfert d'énergie à l'élément filtrant (13) et au transfert de données de la bobine primaire (141) à la bobine secondaire (143), de la bobine secondaire (143) à la bobine primaire (141) ou est réalisé pour le transfert bidirectionnel de données entre la bobine primaire (141) et la bobine secondaire (143).
  7. Hotte aspirante selon l'une des revendications 1 à 6, caractérisée en ce que la hotte aspirante (1) comprend un dispositif d'éclairage (130) uniquement sur le au moins un élément filtrant (13).
  8. Hotte aspirante selon l'une des revendications 1 à 7, caractérisée en ce que le dispositif de transfert (14) comprend un côté primaire (140) et un côté secondaire (142), la bobine primaire (141) se trouve dans le côté primaire (140) et la bobine secondaire (143) ainsi qu'un entraîneur (144) pour un dissipateur électrique se trouvent dans le côté secondaire (142).
EP18174825.2A 2017-06-02 2018-05-29 Hotte aspirante pourvue d'élément filtrant pouvant être retiré Active EP3410020B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017209380.3A DE102017209380A1 (de) 2017-06-02 2017-06-02 Dunstabzugshaube mit entnehmbarem Filterelement

Publications (2)

Publication Number Publication Date
EP3410020A1 EP3410020A1 (fr) 2018-12-05
EP3410020B1 true EP3410020B1 (fr) 2023-04-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18174825.2A Active EP3410020B1 (fr) 2017-06-02 2018-05-29 Hotte aspirante pourvue d'élément filtrant pouvant être retiré

Country Status (3)

Country Link
EP (1) EP3410020B1 (fr)
CN (1) CN108980929A (fr)
DE (1) DE102017209380A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2093501A2 (fr) * 2008-02-22 2009-08-26 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'aspiration de vapeur
DE102014108247A1 (de) * 2014-06-12 2015-12-17 Miele & Cie. Kg Dunstabzugshaube

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006030550A1 (de) * 2006-07-03 2008-01-17 BSH Bosch und Siemens Hausgeräte GmbH Bedieneinheit zur Anzeige und/oder Einstellung von Betriebsparameterwerten von zumindest einem Hausgerät
CN203349341U (zh) * 2013-06-05 2013-12-18 深圳市火王燃器具有限公司 一种油烟机
TWM478783U (zh) * 2013-12-31 2014-05-21 Long Industry Inc 易拆裝之燈具結構
CN104390250B (zh) * 2014-10-13 2017-01-11 杭州老板电器股份有限公司 一种无线耦合连接的油烟机导风板
DE102014017306A1 (de) * 2014-11-21 2016-05-25 Diehl Ako Stiftung & Co. Kg Dunstabzugshaube
CN204629638U (zh) * 2015-04-25 2015-09-09 李钦源 一种方便安装拆卸的油烟机滤油网板
CN105115004A (zh) * 2015-08-26 2015-12-02 成都科创城科技有限公司 一种智能家居自适应排油、排烟设备

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2093501A2 (fr) * 2008-02-22 2009-08-26 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'aspiration de vapeur
DE102014108247A1 (de) * 2014-06-12 2015-12-17 Miele & Cie. Kg Dunstabzugshaube

Also Published As

Publication number Publication date
DE102017209380A1 (de) 2018-12-06
EP3410020A1 (fr) 2018-12-05
CN108980929A (zh) 2018-12-11

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