EP2469187A1 - Unité de filtre pour une hotte aspirante - Google Patents

Unité de filtre pour une hotte aspirante Download PDF

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Publication number
EP2469187A1
EP2469187A1 EP11193652A EP11193652A EP2469187A1 EP 2469187 A1 EP2469187 A1 EP 2469187A1 EP 11193652 A EP11193652 A EP 11193652A EP 11193652 A EP11193652 A EP 11193652A EP 2469187 A1 EP2469187 A1 EP 2469187A1
Authority
EP
European Patent Office
Prior art keywords
filter
protective plate
plate
baffle plate
filter element
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.)
Pending
Application number
EP11193652A
Other languages
German (de)
English (en)
Inventor
Oliver Kraemer
Christoph Ortmann
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2469187A1 publication Critical patent/EP2469187A1/fr
Pending 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
    • F24C15/2035—Arrangement or mounting of filters

Definitions

  • the present invention relates to a filter unit for an extractor hood.
  • a suitable cleaning of the vapors produced during cooking can be done for example by redirecting the Wrasens.
  • a so-called baffle plate is arranged in known extractor hoods before the actual grease filter, which may be, for example, an expanded metal filter.
  • the baffle plate is attached in a defined, sufficiently large distance from the grease filter directly to the sight hood of the hood. By this type of attachment, the vapor can flow along the edge of the baffle plate and reach the grease filter. As a result, the required deflection or the required turbulence of Wrasens is achieved.
  • a disadvantage of the known solutions is that the access to the grease filter, for example, for removing the grease filter for cleaning purposes, is blocked by the baffle plate and the removal of the grease filter is therefore difficult.
  • the baffle plate is exposed in this known solution impurities and is due to their attachment to the viewing hood also removed only by consuming procedures of the cooker hood.
  • Object of the present invention is therefore to provide a filter unit in which the grease filter can be removed for cleaning in a simple manner from the hood, the baffle plate can be protected from contamination and yet can be easily removed from the hood.
  • the filter unit according to the invention an efficient filtering of Wrasens should be achieved.
  • the invention is based on the finding that this object can be achieved by the filter unit has all the geometries required for Wrasen Entry and protections are included in these geometries.
  • a filter unit for an extractor hood wherein the filter unit has at least one filter element.
  • This filter element in turn has at least one filter and at least one filter holder.
  • At least one protective element is releasably secured to the at least one filter element.
  • An extractor hood is understood to mean a device for sucking off and filtering the vapors, in particular, during cooking.
  • An extractor hood can also be referred to as a fume hood or food.
  • the present invention is not limited to special types of cooker hoods.
  • the present invention can be used in wall meals, particularly preferably in so-called oblique extractor hoods or head-free food, in which the viewing hood and the vapor shield are arranged in the assembled state inclined upwards from the horizontal.
  • the term "filter unit” is understood to mean a unit, in particular a preassembled unit, which can be introduced or mounted in or on the intake opening of the extractor hood and routed and cleaned via the fumes and vapors.
  • the intake opening is understood to mean an opening on the extractor hood, via which steam and vapor, which form during cooking, can be sucked into the extractor hood.
  • vapor is understood to mean air condensed in the air to fog and thus visible water vapor or fat particles. In particular, vapors occur when cooking over a hotplate.
  • the filter unit may comprise a single filter element, wherein it is not excluded that a filter unit may also have more than one filter element.
  • the filter element according to the invention in turn comprises the filter holder and the actual filter.
  • the filter element may comprise a single filter, wherein it is not excluded that a filter element may also have more than one filter.
  • the filter element in each case has one or more filter positions.
  • the filter element may thus be composed of one or more filters and one or more filter holders.
  • a filter is understood to mean a device through which fumes and vapors are passed and by means of which the fumes and vapors of particles which are present in the vapors and in the vapor are freed.
  • the particles may be, for example, moisture particles and / or fat particles or the like.
  • the purpose of the filter is thus to clean the vapors or vapors.
  • expanded metal filters and / or fabric filters or the like can be used as filters.
  • the filter holder is preferably a holder for fixing the filter unit in the hood.
  • the filter holder is used to fix the filter of the filter element.
  • the present invention is not limited to particular embodiments of filter holders.
  • the filter holder may according to the present invention, for example, constitute a frame or a three-dimensional structure in which the filter is introduced and held.
  • further elements can be provided on the filter holder, for example hooks, by means of which the filter unit can be fastened in the suction opening of the extractor hood.
  • the filter element is a Randabsaugfilterelement, which is also referred to below as Schrägabsaugfilterelement or Randabsaugfilter.
  • a Randabsaugfilterelement is a filter element of a special type in which the entry of the vapor or the vapor takes place at the edge of the filter element. In ordinary filter elements, the vapor extraction takes place through the surface, in particular the bottom of the filter, which is directed to the cooking surface. In such an embodiment, the vapor flows directly to the filter. For optimum cleaning of Wrasens a deflection of the flow direction of Wrasens is helpful.
  • At least one protective element is releasably secured to the at least one filter element. It is possible that a protective plate is releasably secured to a single filter element. It is also within the scope of the invention that a protective plate is releasably secured to a plurality of filter elements. It is likewise provided that a plurality of protective plates can be detached either on a single filter element or on a plurality of filter elements are fixed, so that the present invention is not limited to a certain number of protective plates and / or filter elements.
  • a disc or plate is referred to, which constitutes a protective device for the filter element.
  • the protective plate is positioned in the mounted state of the hood between the filter element and located below the hood cooker on the filter element. In such a positioning, the filter element can be protected by the protective plate from, for example, contaminants or the like which could be deposited by the influx of vapor on the underside thereof.
  • a protective plate is preferably a flat plate.
  • a plate is a model for a flat, flat component made of mostly rigid material. Flat is understood to mean that two surface dimensions of the protective plate are significantly larger than the third surface dimension. For example, the width and the length of the protective plate can be significantly greater than the thickness or the height of the protective plate.
  • the protective plate is preferably designed as a flat plate. However, the protective plate can also have a three-dimensional contour, for example a curved shape.
  • the shape of the protective plate is preferably adapted to the shape of the underside of the filter element.
  • a releasable attachment in the context of the present invention is preferably understood an attachment of the protective plate, which allows a secure fit or secure attachment of the protective plate to the filter element, but at the same time can be removed without difficulty from the filter element again.
  • Releasable is understood to mean that the attachment, preferably achieved by a positive connection and / or adhesion, but if necessary, the attachment can be solved.
  • These releasable fasteners include, for example, screw or the like.
  • removable fasteners should preferably be understood to be fastenings which can be carried out or loosened without the aid of tools.
  • These types of attachment include, for example, mating or locking connections, such as clip connections.
  • the protective plate is attached to the filter element itself and forms a structural unit with this, the filter unit can be easily removed from the hood, for example, for cleaning purposes.
  • the protective plate which is releasably secured to the filter element, the contamination of the filter element, in particular the filter holder is also prevented. Also, mechanical damage to the filter element can be prevented by the protective plate.
  • the protective plate since the protective plate is releasably attached to the filter element according to the invention, it can be easily removed from the filter element, for example, for cleaning purposes or for replacement.
  • the at least one protective plate is releasably secured to the at least one filter holder of the at least one filter element.
  • the stability of the attachment of the protective plate can be significantly increased.
  • the shape of the filter holder may favor or allow attachment.
  • the filter holder has large dimensions due to its function of holding the filter and the connection with the suction port.
  • the area covered by the filter holder preferably corresponds to the area of the suction opening.
  • the protective plate may also have a large size and yet be reliably fixed to the filter holder.
  • the protective plate is releasably attached to the filter holder without increased force and preferably without the aid of tools on the filter holder.
  • the filter holder of the at least one filter element has at least one baffle plate and after releasably attaching the at least one protective plate to the at least one filter holder of the filter element, the at least one protective plate bears against the at least one baffle plate.
  • baffle plate As a baffle plate is understood in the context of the present invention, a plate which is part of the filter element, that is, with this one piece is formed.
  • the baffle plate is designed and arranged in the filter holder, that these in the operating state of the hood between the filter and cooking area lies.
  • the baffle which flows against the filter unit from below, prevented from hitting directly on the filter.
  • the size of the baffle plate therefore preferably corresponds to the size of the surface of the filter or filters.
  • the vapor flows to the edge of the baffle plate. In this area, openings or slots are provided on the filter holder through which the deflected vapor can reach the filter.
  • the filter or filters are preferably arranged offset to the baffle plate in the filter holder.
  • the protective plate is preferably arranged on the underside of the baffle plate.
  • the attachment of the protective plate on the baffle plate is preferably carried out in a way that the protective plate rests against the baffle plate.
  • "concerns" understood so that the protective plate rests directly on the baffle plate.
  • the baffle plate By attaching the protective plate to the baffle plate, the baffle plate can be protected from contamination. In addition, a mechanical damage to the baffle plate is prevented by the protective plate. Finally, the attachment of the protective plate on the baffle plate has the advantage that the dimensions of the baffle plate are usually large and thus attachment can be made distributed over a large area. Furthermore, the flow behavior of the Wrasens is not or only slightly influenced by the attachment of the protective plate on the baffle plate.
  • At least one surface dimension of the at least one protective plate corresponds to a surface dimension of the at least one baffle plate.
  • two surface dimensions of the at least one protective plate correspond to the two surface dimensions of the at least one baffle plate.
  • the protective plate is preferably designed plate-shaped.
  • the baffle plate of the filter holder is preferably designed plate-shaped.
  • the area dimensions of the plates are their width and length.
  • the third geometric dimension of the plates represents their height, which is also referred to as thickness.
  • the length and width of the plates are greater than the height of the plates.
  • a surface dimension of the protective plate which may be the length or width, has the corresponding area dimension of the baffle plate.
  • the length of the protective plate may correspond to the length of the baffle plate but have a width that deviates from the width of the baffle plate.
  • the second surface dimension of the protection plate may be smaller than, equal to or larger than the other surface dimension of the baffle plate.
  • the width of the protective plate can be chosen so large that it covers two adjacent baffles.
  • two filter elements are associated with a single protective plate.
  • This embodiment has the advantage that the two filter elements are connected to one another via the common protective plate and thus can also be removed together with the protective plate from the extractor hood.
  • the concealment of two filter elements is blocked by a single protective plate and the insight into an existing between the adjacent filter elements gap and thus improves the visual appearance of the hood.
  • the baffle plate and the protective plate each cover the same area. If a plurality of filter elements are provided in the filter unit in this case, a corresponding protective plate is preferably attached to each baffle plate of the filter elements.
  • the surface dimensions of the protective plate are chosen so as to ensure that the protective plate can be attached to the baffle plate.
  • the attachment is preferably carried out at the edge of the baffle plate.
  • the at least one protective plate is releasably secured to the at least one filter element by at least one latching element.
  • a latching connection is understood in the context of the present invention, a compound in which a secure, but also releasable attachment of the protective plate can be realized on the filter element.
  • the locking elements required for locking connection can be provided on the protective plate itself or attached to this. Alternatively or additionally, it is also possible that the locking elements are provided on the filter element or attached thereto.
  • a latching connection for example, a clip connection can be understood.
  • the locking elements can engage in corresponding latching recesses or recesses, which may be provided, for example, on the baffle plate. But it is also possible that locking elements are arranged on the protective plate, which can embrace the filter element, in particular the edge of the filter element.
  • the filter element can have suitable receiving devices. However, it is preferred that the filter element can accommodate itself by suitable design of the filter element itself provided on the protective plate locking elements or a locking element. It is also conceivable that various embodiments of latching connections are used for releasably securing the protective plate to the filter element.
  • the at least one protective plate consists of a heat-resistant material.
  • a heat-resistant material is understood as meaning a material which withstands the temperatures that generally prevail during cooking without changing its properties. These properties may include, for example, color, strength and shape.
  • a heat-resistant material for example, glass or metal can be used.
  • An advantage of using glass for the protective plate is that it is easy to clean.
  • a glass plate can be easily manufactured and improves the visual appearance of the hood.
  • metal is advantageous as a material for the protective plate, as this can be cleaned in a simple manner, for example in a dishwasher.
  • a protective metal plate can be easily manufactured and also locking elements are formed directly on this protective plate by the material of the protective plate.
  • the at least one latching element is arranged on the at least one protective plate.
  • the locking elements can be glued, for example, on the protective plate, in particular on the top of the protective plate.
  • the releasable attachment between the protective plate and filter holder Preferably, the releasable attachment between the protective plate and filter holder.
  • An arrangement of the one or more locking elements on the protective plate has the advantage that the at least one locking element can be released together with the protective plate of the filter element to clean the protective plate together with the locking elements.
  • the protective plate in size, so the surface dimensions can be adjusted.
  • the protective plate may for example have a greater length and / or width than the baffle plate.
  • the locking elements are attached at a distance from the edge of the protective plate at this and can thus cooperate with the edge of the smaller baffle plate, that is to be attached to the edge.
  • the at least one latching element is therefore preferably arranged on the edge or in the edge region of the protective plate.
  • the locking elements may also have a defined distance from the edge region of the protective plate, that is to say be arranged in the surface, for example in the middle of the surface of the protective plate.
  • the filter holder has lateral webs with openings formed therebetween for sucking off the vapors produced during cooking, and the lateral webs of the filter holder are inclined inwards.
  • the webs can also be referred to as guide surfaces.
  • the filter holder also has a baffle plate in the embodiment of the filter holder with webs.
  • the baffle plate is preferably part of the filter holder and thus of the filter element.
  • the lateral webs can extend over the entire height of the filter element and define the height so. The lateral webs can also describe only a part of the height of the filter element.
  • the filter element Since it is preferable for the filter element to Randabsaugfilterieri, lie between the lateral webs openings for the entry of the resulting vapors during cooking. Through these openings, a targeted deflection of the Wrasens and thus a deposition of impurities on the filter, which is arranged above the baffle plate.
  • the lateral webs of the filter holder are inclined inwards. It is understood inwardly so that the lateral webs are inclined to the center of the filter holder. In a filter holder with a baffle plate at the bottom, the webs are therefore inclined so that their projection is perpendicular to the baffle plate in the surface of the baffle plate.
  • the latching connection between the protective plate and baffle plate of the filter holder can be realized by a simple positive connection and / or adhesion.
  • locking elements on the protective plate can engage in the slots between the webs or on the outside of the webs.
  • FIG. 1 a filter unit 2 of an extractor hood 1 according to the invention is shown.
  • the filter unit 2 has two identical filter elements 3.
  • Each of the filter elements 3 has a surface dimension a, which is also referred to below as length, and a surface dimension b, which is referred to below as width.
  • the lengths a and the widths b of the two in FIG. 1 shown filter elements 3 are the same.
  • the filter elements 3 are also the same in their design. The construction of the filter elements 3 will be described later with reference to FIGS FIG. 3 described in more detail.
  • the filter unit 2 comprises in FIG. 1 two protective plates 5.
  • Each of the protective plates 5 has a surface dimension A, hereinafter also referred to as length, and a surface dimension B, which will be referred to as a width hereinafter.
  • the lengths A and the widths B of the two in FIG. 1 shown protective plates 5 are the same.
  • the filter elements 3 form, together with the protective plates 5, the filter unit 2 according to the embodiment FIG. 1 ,
  • FIG. 1 is also shown that the filter elements 3 introduced into the hood 1, in particular in the suction of the hood 1 can be used.
  • the protective plates 5 in the flow direction in front of the Filter elements 3.
  • the underside of the hood 1, which represents a Schrägesse in the illustrated form only the Wrasenle and the protective plates 5 can be seen.
  • the protective plates 5 are releasably secured to the filter elements 3 according to the invention.
  • the filter elements 3 and the protective plates 5 geometrically equal dimensions.
  • the length a of the filter element 3 is equal to the length A of the protective plate 5.
  • the width b of the filter element 3 corresponds to the width B of the protective plate 5.
  • the protective plates 5 have the same size as the filter elements 3, wherein the size of the filter element 3 designates the size of the surface of the filter element 3, which is in contact with the protective plate 5 and can also be referred to as the underside of the filter element 3.
  • the surface dimensions of the protective plate 5 and the filter element 3 are different.
  • a protective plate 5 is used to cover two filter elements 3.
  • the length A of the protective plate 5 corresponds to the length a of each of the filter elements 3.
  • the width B of the protective plate 5, however, is longer or greater than the width b of each of the surface elements 3.
  • the width B of the protective plate 5 is more than twice as large as the width b of each of the filter elements 3. This results in arrangement of the filter elements 3 at the lateral edges of the width B of the protective plate 5, a gap between the two fastened filter elements.
  • 5 locking elements 7 for releasably securing the protective plate 5 are attached to the two filter elements 3 at the top of the protective plate.
  • the locking elements 7 are arranged on the protective plate 5 in the edge region and fixed there, for example glued.
  • FIG. 2 six locking elements 7 shown, wherein the invention is not limited to a number of locking elements 7.
  • filter elements 3 are Randabsaugfilterieri.
  • the edges or side walls of the Randabsaugfilter embodiment are from the bottom of the filter element 3 upwards and inside, inclined to the center of the filter element 3.
  • the underside of the filter elements 3 is in each case by a baffle plate 310 (see FIG. 3 educated).
  • the baffle plate 310 of the filter element 3, against which the protective plate 5 abuts has a larger surface area than the surface of the filter element 3 in its upper region, in which the filter 30 is accommodated.
  • locking elements 7 is applied to the protective plate 5 on the filter element 3.
  • the latching elements 7 are preferably designed such that the protective plate 5 rests directly on the filter elements 3 or only a small distance of a few millimeters between the protective plate 5 and the filter elements 3 consists.
  • the filter unit 2 consists of a filter 30, a filter holder 31, which has a baffle plate 310 on the underside and a protective plate 5.
  • the filter 30 is received in the upper region of the filter holder 31 and is located at a distance from the baffle plate 310 of the filter holder 31st This distance is determined by the length of the lateral webs 311.
  • the webs 311 are inclined inwardly from the lateral edge of the baffle plate 310. Between the webs 311 openings (not shown) are formed.
  • the protective plate 5 is releasably secured to the baffle plate 310 by a latching connection.
  • the protective plate 5 lies, as already in FIG. 2 described, directly to the filter element 3 at.
  • the protective plate 5 rests against the underside of the baffle plate 310.
  • the protective plate 5 has the same width B as the baffle plate 310, so that the vapor when rising from the cooking surface on the Protective plate 5 impinges and is deflected such that the vapor at the edge of the filter unit 2 enters the filter element 3 and is filtered by the filter 30 therein.
  • a removable cover in particular a detachable, removable glass cover for a Randabsaugfilter with baffle plate is created.
  • the popular style element in skewed but also in horizontal food namely the areal use of glass in the region of the intake, in particular around the intake but also below the intake is realized in the filter unit according to the invention.
  • the glass is preferably provided on the front side, which is the underside of the viewing hood and the canopy.
  • the glass is used at the bottom.
  • a glass plate is placed in front of the grease filter at a distance, because it sucks in vapor over the area.
  • the glass cover must have a large size for attachment to the viewing hood next to the suction port.
  • the vapor in turn, must detour due to the size of the glass cover to access the filter.
  • an edge suction filter is preferably used which has openings on the side surfaces.
  • the protective plate is preferably placed in the form of a glass sheet. This glass plate does not affect the function of the filter element.
  • the attachment of the glass plate to the baffle plate could be done by gluing. As a result, however, an irreversible connection to the usually made of stainless steel filter element is formed.
  • the protective plate or glass plate can be fastened by flexible elements glued to the back or upper side of the glass plate with special shapes which snap into the filter element, in particular into the side walls of the filter element.
EP11193652A 2010-12-22 2011-12-15 Unité de filtre pour une hotte aspirante Pending EP2469187A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010063853 DE102010063853A1 (de) 2010-12-22 2010-12-22 Filtereinheit für eine Dunstabzugshaube

Publications (1)

Publication Number Publication Date
EP2469187A1 true EP2469187A1 (fr) 2012-06-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11193652A Pending EP2469187A1 (fr) 2010-12-22 2011-12-15 Unité de filtre pour une hotte aspirante

Country Status (2)

Country Link
EP (1) EP2469187A1 (fr)
DE (1) DE102010063853A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104214805A (zh) * 2013-05-29 2014-12-17 博西华电器（江苏）有限公司 抽油烟机及用于抽油烟机的板状滤油网
EP2511615B1 (fr) * 2011-04-11 2015-08-12 BSH Hausgeräte GmbH Unité de filtre pour une hotte aspirante
CN104964323A (zh) * 2015-06-23 2015-10-07 珠海格力电器股份有限公司 滤网组件及具有其的厨房空调
EP3018421A1 (fr) * 2014-11-10 2016-05-11 Miele & Cie. KG Équilibrage de tolérance de filtres
CN106765397A (zh) * 2016-12-25 2017-05-31 郭牧歌 一种新型抽烟机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015203671A1 (de) * 2015-03-02 2016-09-08 BSH Hausgeräte GmbH Filtereinheit für eine dunstabzugshaube
DE102015006693A1 (de) 2015-05-28 2016-12-01 Adek Bauteile Gmbh Filtergewebe eines Gewebefilters zur Luftreinigung in einer Dunstabzugshaube

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5470365A (en) * 1994-12-29 1995-11-28 Jang; Sun-Sing Smoke exhauster
DE19809561A1 (de) * 1998-03-05 1999-09-09 Bosch Siemens Hausgeraete Filtervorrichtung für Dunstabzugshauben
DE102009023241A1 (de) * 2009-05-30 2011-04-07 Adek Bauteile Gmbh Filtervorrichtung einer Dunstabzugshaube oder einer Luftreinigungsvorrichtung im Küchen- und Wohnbereich

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5470365A (en) * 1994-12-29 1995-11-28 Jang; Sun-Sing Smoke exhauster
DE19809561A1 (de) * 1998-03-05 1999-09-09 Bosch Siemens Hausgeraete Filtervorrichtung für Dunstabzugshauben
DE102009023241A1 (de) * 2009-05-30 2011-04-07 Adek Bauteile Gmbh Filtervorrichtung einer Dunstabzugshaube oder einer Luftreinigungsvorrichtung im Küchen- und Wohnbereich

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2511615B1 (fr) * 2011-04-11 2015-08-12 BSH Hausgeräte GmbH Unité de filtre pour une hotte aspirante
CN104214805A (zh) * 2013-05-29 2014-12-17 博西华电器（江苏）有限公司 抽油烟机及用于抽油烟机的板状滤油网
EP3018421A1 (fr) * 2014-11-10 2016-05-11 Miele & Cie. KG Équilibrage de tolérance de filtres
CN104964323A (zh) * 2015-06-23 2015-10-07 珠海格力电器股份有限公司 滤网组件及具有其的厨房空调
CN106765397A (zh) * 2016-12-25 2017-05-31 郭牧歌 一种新型抽烟机

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