EP0727620B1 - Dunstabzugshaube - Google Patents
Dunstabzugshaube Download PDFInfo
- Publication number
- EP0727620B1 EP0727620B1 EP96101929A EP96101929A EP0727620B1 EP 0727620 B1 EP0727620 B1 EP 0727620B1 EP 96101929 A EP96101929 A EP 96101929A EP 96101929 A EP96101929 A EP 96101929A EP 0727620 B1 EP0727620 B1 EP 0727620B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- aperture
- wave
- vapour extraction
- extraction hood
- hood according
- 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.)
- Expired - Lifetime
Links
Images
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
- F24C15/2078—Removing cooking fumes movable
- F24C15/2092—Removing cooking fumes movable extendable or pivotable
-
- 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
Definitions
- the invention relates to an extractor hood with a Wave transmitters and wave receivers, especially ultrasonic transmitters and ultrasonic sensor, and a sensor path, whereby the Condition of the air in the intake area recorded and dependent on it a control of the extractor hood is effected.
- the present invention has for its object a such extractor hood so perfect that from the wave bundle emanating from the wave transmitter on the wave receiver clear and at least largely unadulterated Receive useful signals for controlling the extractor hood become.
- a suppression of interference waves can be done in that the aperture surrounding the aperture meets one Waves by reflecting shape directed to the side. It has proven to be advantageous if the preferred annular aperture area about 35 ° opposite the wave axis orthogonal is inclined. In addition or instead of the aforementioned reflective shape can be provided be that the one surrounding the aperture, at least one Aperture range at least partially absorbing the waves Possesses quality.
- an aperture has proven to be suitable proven to be equiangular on both sides of the aperture sloping, e.g. has annular aperture areas, the one aperture area being part of a concave and the other aperture area is part of a convex ring shape.
- a Such aperture can be made of thin material and very space-saving be made.
- An extractor hood as shown in Figures 1 and 2 is for the typical use above Suitable for hobs in kitchens. Such hobs are usually substantially square and have four Hotplates on. 2 are a projection with dashed lines the location of these hotplates 15 on the bottom the extractor hood indicated. For wider cooktops can be an appropriately widened cooker hood be used.
- a motor-driven blower 3 which 4 draws in air from the room and thus creates negative pressure there and blows this air out through an outlet nozzle 5.
- the room 4 In the lower area of the extractor hood, which is the hob is facing, the room 4 is a so-called Fat filter 6 completed, through which in particular during Frying and cooking processes contaminated air due to the in the room 4 prevails negative pressure, the Fat and other pollution particles largely in this grease filter 6 are absorbed.
- the room 4 is like this completed and the fat filter 6 is such inserted in a recording that as little air as possible except through the grease filter.
- a carbon filter 7 can be used within the space 4, which Is able to absorb odors.
- the extractor hood is in the housing below the grease filter 6 a drawer-like pull-out 8 can be pulled out to the front arranged. In the figures, this is in the pulled out Position shown.
- This drawer-like drawer 8 is on the front, at the top and on the side walls solid walls.
- On the bottom is a filter element, a so-called pre-filter 9 is inserted.
- a flat channel 10 is formed, which in the extended Condition of the drawer-like pull-out 8 in the front area of the grease filter 6 ends open.
- An apron 11 closes this channel 10 towards the filter 6.
- the grease filter 6 In order to achieve the highest possible cleaning effect for the To cause polluted air, the grease filter 6 be designed as densely and homogeneously as possible, which makes it not only offers a high absorption capacity, but also also presents a relatively high flow resistance to the air.
- the fan must be correspondingly powerful be to overcome the necessary, under pressure in room 4 this grease filter 6 through the air to be cleaned to create.
- This vacuum is not in front of the filter 6 is available and so is with this extractor hood in the drawer-like extension 8 a filter element for Which, in order to be flowed through at all, is designed to be very permeable. That’s that too Absorbance of this prefilter 9 is relatively low, what however, is not only accepted, but is also desired.
- the actual cleaning of the contaminated Air, which is passed through the prefilter 9, takes place namely just like cleaning the otherwise suctioned Air in the main grease filter 6 it also does not need the drawer-like guides Extract 8 and its apron 11 with regard to tightness to be specially designed against false currents.
- An essential one Negative pressure within the channel 10 becomes considerable due to the lack Flow resistance in the area of the prefilter 9 not built up anyway.
- the actual main filter 6 can for example in the execution by expanded metal eight be up to twelve layers, whereas the prefilter 9 only has two to four layers of expanded metal. Thereby finds less coverage of the individual gaps the expanded metal layers instead and the permeability is so low that the air flowing through it is almost step through unhindered without significant pressure drop can.
- a sensor device 12 Within the channel 10, i.e. above the prefilter 9, is a sensor device 12 explained in more detail below Arranged, the haze rising from the hobs and evaluates to control the extractor hood. Thereby, that through the prefilter 9 fat and other dirt particles, which is easy when touching fixed Bodies fall out of the air, are absorbed this sensor device in this channel 10 against contamination substantially protected. From the corresponding area of the Main filter 6 essentially become the impurity components filtered out of the air, mainly because of that are left because their willingness to fail is worse from the air.
- This piezo oscillator 17 is such a circuit arrangement not explained in detail switched on that this piezo oscillator 17th in a first activation phase as an ultrasonic transmitter and in a second switching phase as an ultrasonic sensor or receiver works.
- a reflection area 16 for the Ultrasonic waves On the opposite side of the drawer Extract 8 is a reflection area 16 for the Ultrasonic waves arranged so that these on the piezo oscillator originating from this reflected back again become.
- the sensor path runs between piezo oscillator 12 and reflection area 16 in an area that is projecting onto one below arranged cooktop between the front and rear Cooking places runs. Both the piezo oscillator 12 and the reflection area 16 are in the drawer-like Extract 8 and its filter element 9 formed channel 10, making these elements an increased risk of pollution are not exposed.
- the aperture 18 has an annular shape with annular aperture areas 21 and 22 around the aperture 19. These aperture areas 21 and 22 have an obliquely inclined shape preferably of 35 ° with respect to the shaft axis orthogonal (Angle a), causing a reflection of waves towards the Wave receiver 12 is excluded, i.e. this not too the wave bundle bounded by the aperture 19 Waves appear after hitting the aperture areas reflected to the side.
- the aperture 18 on both sides of the aperture 19 extending aperture areas 21, 22, which is concave on one side and on the other hand form a convex shape, where the wall thickness of the diaphragm 18 in these diaphragm areas 21/22 is constant, as clearly shown in FIG. 4.
- a plate 18 is integrally formed on a bearing approach 23, at the free end on both sides with a pair is provided by resilient bearing projections 24, each over the lateral limitation of the bearing projection 23 slightly protrude and stored there in a pivot bearing 25 are.
- the bearing projection 23 has one at the unfree end Stop 26, which is in the operational position of the pivotable aperture 18 on a front part of the upper limit of the channel 10 strikes and thus ready for operation Position exactly defined.
- Approximately diametrically opposite on the annular diaphragm 18 also in one piece is molded on a free, springy approach 27, the in the ready position of the panel according to FIG. 1 resiliently supported on the pre-filter 9 located underneath, whereby the aperture 18 is ready for operation in said Position is held securely.
- the aforementioned paired bearing projections 24 engage in a link opening 28 of a pivot bearing for the panel forming bearing eyes 29, which bearing eyes by deformation the upper limit of the channel 10 of the pull-out 8 are formed, with this link opening 28 following opens freely on the outside and is therefore suitable for an embossing process is.
- the link openings 28 of the two bearing eyes 29 are open to one another and to the outside by molded on Walls closed.
- In these backdrop openings 28 are arranged slotted guides 30 with an elongated, raised locking knob 31 and with a recessed one Bearing point 32.
- the aperture can 18 with the bearing projections engaging in the link guide 24 within the pivot bearing 25 by approximately 90 ° in Fig.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Description
- Fig. 1
- eine schematisierte Seitenansicht der Dunstabzugshaube,
- Fig. 2
- eine schematisierte Unteransicht dieser Dunstabzugshaube,
- Fig. 3 und 4
- eine vergrößerte Seitenansicht und Draufsicht der Blende und der zugehörigen Schwenklager gemäß Fig. 1 und 2,
- Fig. 5
- eine stark vergrö3erte Schnittansicht eines Schwenklagers.
Claims (13)
- Dunstabzugshaube mit einem Wellensender und Wellenempfänger, insbesondere Ultraschallgeber und Ultraschallsensor, und einer Sensorstrecke (20), wodurch der Zustand der Luft im Ansaugbereich erfaßt und hiervon abhängig eine Steuerung der Dunstabzugshaube bewirkt wird, dadurch gekennzeichnet, daß in der Sensorstrecke (20) zumindest eine im wesentlichen konzentrisch zu deren Mittelachse ausgerichtete, das vom Wellensender (17) ausgesandte Wellenbündel hin zum Wellenempfänger (17) innerhalb einer Apertur (19) begrenzende Blende (18)angeordnet ist und daß deren die Apertur (19) umgebender Blendenbereich (21, 22) die außerhalb des die Apertur durchlaufenden Wellenbündels verlaufenden Wellen eine Einflußnahme auf den Meßwert am Wellenempfänger verhindernd ausblendet.
- Dunstabzugshaube nach Anspruch 1, dadurch gekennzeichnet, daß die die Apertur (19) umgebende Blende (18) im Mittelbereich zwischen Wellensender und Wellenempfänger angeordnet ist.
- Dunstabzugshaube nach Anspruch 1 mit einer Sensorstrecke (20), die gebildet wird zwischen einem Wellensender (17), einem diesem gegenüberliegenden Reflexionsbereich (16) und einem im Wellensenderbereich liegenden Wellenempfänger (17), dadurch gekennzeichnet, daß die die Apertur (19) umgehende Blende (18) im Mittelbereich zwischen Wellensender/Wellenempfänger und Reflexionsbereich angeordnet ist.
- Dunstabzugshaube nach Anspruch 1, dadurch gekennzeichnet, daß der die Apertur (19) umgebende Blendenbereich (21, 22) eine Wellen durch Reflexion hin zumindest zum Wellenempfänger ausschließende Form besitzt.
- Dunstabzugshaube nach Anspruch 4, dadurch gekennzeichnet, daß die Apertur (19) umgebende Blende (18) eine auf diese treffende Wellen durch zur Seite gerichtet reflektierende Form aufweist.
- Dunstabzugshaube nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der die Apertur (19) umgebende, zumindest eine Blendenbereich eine die Wellen zumindest zum Teil absorbierende Beschaffenheit besitzt.
- Dunstabzugshaube nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, daß die Blende (18) beidseitig der Apertur (19) die außerhalb des Wellenbündels verlaufenden Wellen ausblendende Blendenbereiche (21, 22) besitzt.
- Dunstabzugshaube nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Blende (18) mit einem Lageransatz (23) in einem Schwenklager (25) des Haubengehäuses, vorzugsweise eines schubladenartigen, ein Vorfilter (9) aufweisenden Auszuges (8) gelagert und in wenigstens zwei Schwenkstellungen verschwenkbar ist.
- Dunstabzugshaube nach Anspruch 8, dadurch gekennzeichnet, daß der Lageransatz (23) mittels federnder Lagervorsprünge (24) in als Kulissenführung (30) ausgebildeten Schwenklagern (25) vorzugsweise lösbar gelagert und in zwei Funktionslagen verrastbar ist.
- Dunstabzugshaube nach Anspruch 9, dadurch gekennzeichnet, daß der Lageransatz (23) einen Anschlag (26) zur Abstützung der in der Betriebsstellung verschwenkten Blende am Haubengehäuse bzw. am Auszug (8) aufweist.
- Dunstabzugshaube nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, daß im Schwenklagerbereich ein die unverwechselbare Montage der Blende (18) sicherstellender Kodiersteg (33) vorgesehen ist.
- Dunstabzugshaube nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Blende (18) einen freien federnden Ansatz (27) besitzt, der sich in der Betriebsstellung der Blende am Haubengehäuse, vorzugsweise an dem im Auszug austauschbar angeordneten Vorfilter (9) elastisch abstützt.
- Dunstabzugshaube nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Blende (18) mit Lageransatz (23, 24) und Ansatz (27) als einstückiges Kunststoffteil ausgebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19505683 | 1995-02-20 | ||
DE19505683A DE19505683A1 (de) | 1995-02-20 | 1995-02-20 | Dunstabzugshaube |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0727620A2 EP0727620A2 (de) | 1996-08-21 |
EP0727620A3 EP0727620A3 (de) | 1997-03-12 |
EP0727620B1 true EP0727620B1 (de) | 2000-07-19 |
Family
ID=7754444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96101929A Expired - Lifetime EP0727620B1 (de) | 1995-02-20 | 1996-02-09 | Dunstabzugshaube |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0727620B1 (de) |
DE (2) | DE19505683A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10307247A1 (de) * | 2003-02-17 | 2004-08-26 | E.G.O. Elektro-Gerätebau GmbH | Einrichtung zum Absaugen von Abluft eines Elektrowärmegeräts und Verfahren zum Betrieb derselben |
DE102004055945A1 (de) * | 2004-11-19 | 2006-05-24 | BSH Bosch und Siemens Hausgeräte GmbH | Dunstabzugsvorrichtung und Verfahren zum Belüften einer Kochfläche |
DE102005002148A1 (de) * | 2005-01-17 | 2006-07-20 | BSH Bosch und Siemens Hausgeräte GmbH | Küchendunstabzugsvorrichtung |
FR2888633B1 (fr) | 2005-07-12 | 2009-12-04 | Pechiney Aluminium | Four a chambres avec des joints de dilatation ameliores et briques destinees a sa realisation |
CN103673017B (zh) * | 2013-12-16 | 2016-08-17 | 张晶 | 抽油烟机 |
DE102015204770B4 (de) | 2015-03-17 | 2020-07-02 | BSH Hausgeräte GmbH | Befestigungsvorrichtung für ein Gehäuse einer Dunstabzugshaube und Dunstabzugshaube |
CN106439960B (zh) * | 2016-08-31 | 2018-07-17 | 杭州老板电器股份有限公司 | 超声波自清洗吸油烟机及其方法 |
CN110701651B (zh) * | 2019-09-27 | 2023-12-05 | 浙江蓝炬星电器有限公司 | 一种带有静音吸油烟装置的集成灶及其制造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7713358U1 (de) * | 1976-10-06 | 1979-02-08 | Giampieretti & Crescentini, Fabriano, Ancona (Italien) | Absaugvorrichtung |
DE7633882U1 (de) * | 1976-10-28 | 1977-02-24 | Jaecker, Franz Wolfgang, 4970 Bad Oeynhausen | Elektrisch betriebene Dunstabzugshaube für eine An- oder Einbauküche mit einem Gas- oder Elektrokochherd mit/ohne Zeitschaltautomatik |
DE2747710A1 (de) * | 1977-10-25 | 1979-04-26 | Licentia Gmbh | Dunstabzugshaube zur anordnung ueber kuechenherden |
DE3039246A1 (de) * | 1980-10-17 | 1982-05-19 | Gebrüder Mayer KG, 5760 Arnsberg | Dunstabzugshaube, insbesondere zum einsatz in kuechen |
DE8027742U1 (de) * | 1980-10-17 | 1985-04-18 | Gebrüder Mayer KG, 5760 Arnsberg | Dunstabzugshaube, insbesondere zum einsatz in kuechen |
DE3245302A1 (de) * | 1982-12-08 | 1984-06-14 | Miele & Cie GmbH & Co, 4830 Gütersloh | Dunstabzugshaube mit einer kochplatte |
DE3909126C2 (de) * | 1989-03-20 | 1998-06-04 | Diehl Gmbh & Co | Schaltgerät für einen Kochherd |
DE4105807A1 (de) * | 1991-02-23 | 1992-08-27 | Diehl Gmbh & Co | Schaltungsanordnung zum ein- und abschalten eines luefters |
DE4243945A1 (de) * | 1992-12-23 | 1994-06-30 | Bosch Siemens Hausgeraete | Dunstabzugshaube mit einer akustischen Sensorstrecke |
DE4243944A1 (de) * | 1992-12-23 | 1994-06-30 | Bosch Siemens Hausgeraete | Dunstabzugshaube |
DE4243938A1 (de) * | 1992-12-23 | 1994-06-30 | Bosch Siemens Hausgeraete | Dunstabzugshaube |
-
1995
- 1995-02-20 DE DE19505683A patent/DE19505683A1/de not_active Withdrawn
-
1996
- 1996-02-09 DE DE59605613T patent/DE59605613D1/de not_active Expired - Lifetime
- 1996-02-09 EP EP96101929A patent/EP0727620B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59605613D1 (de) | 2000-08-24 |
EP0727620A3 (de) | 1997-03-12 |
DE19505683A1 (de) | 1996-08-22 |
EP0727620A2 (de) | 1996-08-21 |
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