EP2628429B1 - Récipient de collecte pour la collecte de particules pour un séparateur à tourbillon - Google Patents

Récipient de collecte pour la collecte de particules pour un séparateur à tourbillon Download PDF

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Publication number
EP2628429B1
EP2628429B1 EP13154068.4A EP13154068A EP2628429B1 EP 2628429 B1 EP2628429 B1 EP 2628429B1 EP 13154068 A EP13154068 A EP 13154068A EP 2628429 B1 EP2628429 B1 EP 2628429B1
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EP
European Patent Office
Prior art keywords
opening
collecting vessel
collecting
collecting container
lead structure
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.)
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Application number
EP13154068.4A
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German (de)
English (en)
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EP2628429A2 (fr
EP2628429A3 (fr
Inventor
Florian Balling
Florian Schmitt
Thomas Seith
Thomas Walter
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
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BSH Hausgeraete GmbH
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2628429A2 publication Critical patent/EP2628429A2/fr
Publication of EP2628429A3 publication Critical patent/EP2628429A3/fr
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Publication of EP2628429B1 publication Critical patent/EP2628429B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1683—Dust collecting chambers; Dust collecting receptacles

Definitions

  • Embodiments relate to a collecting container for collecting particles for a vortex separator, for example a vacuum cleaner operating on the basis of the centrifugal principle.
  • the EP 1 547 509 A2 refers to a dirt trap for a cyclone vacuum cleaner, in which a guide rib is attached to an opening which connects the dirt collecting chamber with the Abscheidehunt in which the vortex forms.
  • the deposition chamber is designed here as part of the air flow, so it flows through.
  • the DE 20 2011 003 563 U1 describes a vacuum cleaner with cyclone separation of the waste.
  • the vacuum cleaner comprises a waste separation assembly having a first cyclone separation stage with a primary cyclone separation or inertia separator and a second cyclone separation stage with a plurality of cyclone separators.
  • the wastes separated by the two cyclone separation stages are collected in a container having at least a first and at least a second compartment associated with the first and second separation stages, respectively, the lid having deflection means near the first inlet opening.
  • the DE 103 56 156 A1 describes a cyclone dust collecting apparatus of a vacuum cleaner having an upper casing in which an air suction port is formed and a lower casing connected to the upper casing to form a cyclone.
  • the lower housing is provided with a plurality of dust collecting chambers formed on both sides thereof for receiving the dust and dirt separated from the air.
  • the dust collecting chambers are separated from the cyclone chamber by a partition having a connection port.
  • a collecting container for collecting particles for a vortex separator comprises a housing element which at least partially defines a collecting volume of the collecting container, and an opening in the housing element, which is designed and arranged such that particles due to vortex prevailing in a separating space of the vortex separator can pass through the opening of the separation chamber in the collecting volume of the collecting container, wherein the opening is arranged offset to a center of the collecting container.
  • the housing volume includes a guide structure that extends at least partially into a projection of the opening along a surface normal of the opening, wherein the guide structure is formed such that it at least partially causes a flow component parallel to the opening at a gas flow entering through the opening.
  • the guide structure is arranged between the center of the collecting container and the opening and designed such that the flow component caused by the guide structure is directed towards the smaller container side of the collecting container.
  • the housing element can in this case separate the collecting volume or the collecting container from the separating chamber.
  • the gas stream may be, for example, an air stream.
  • a collecting container is based on the finding that a compromise between a degree of separation and a suck-back behavior of a vortex separator and the filling behavior of its collecting container can be improved by the housing element, which comprises the opening, further comprises a guide structure which is formed in that, in the case of a vertically entering gas flow, it at least partially effects a flow component parallel to the opening. Characterized in that the guide structure thus at least partially causes a deflection of the entering into the collecting container through the opening gas flow, the filling behavior of the collecting container can be improved by the fact that now the air laden with the particles spread over a larger area and there emits the particles.
  • a sucking back of particles which have already reached the collecting container can also be reduced, which in turn optionally enables an implementation of a larger opening in the housing element, as a result.
  • the degree of separation can be improved. It may also be due to the at least partial deflection of the gas stream to slow it down, whereby the particles are more easily separated from this.
  • the guide structure extends at least partially into a projection of the opening along a surface normal of the opening.
  • the opening can have a passage area through which the particles can pass from the separation space into the collecting volume, wherein the surface normal of the opening is a surface normal of the passage area.
  • the passage surface here is an area in the mathematical sense, which can coincide at most outside the opening with a physical surface of a component or another object.
  • the passage area can in this case be designed such that all particles passing through the Opening can get out of the separation chamber in the collecting volume, the passage area have also happened. In this way, if appropriate, the aforementioned compromise can be further improved in that the gas stream can interact with the guide structure immediately upon or after entry through the opening into the collecting container.
  • the guide structure may also be designed such that it only partially extends into the projection of the opening along the surface normal of the opening.
  • the guide structure may comprise a substantially flat guide section.
  • the deflection effect of the conductive structure can optionally be increased further.
  • the guide structure may have a guide portion which is oriented at an angle between 0 ° and 90 °, for example at least 15 ° and at most 75 °, to a surface normal of the opening.
  • the aforementioned compromise can be further improved by the entering or entering gas flow interacting through the interaction with the guide section, which is inclined relative to the surface normal.
  • the flow component grows parallel to the opening at first as the angle increases, so that an improvement in the filling behavior of the collecting container should result, at least initially, as the angle increases.
  • the guide structure may have a guide portion, which is arranged offset in relation to an edge of the opening completely into the collecting volume into it. In this way, if necessary, the aforementioned compromise between separation efficiency, re-suction behavior and filling behavior can be improved, since a reduction of the degree of separation through the guide portion can optionally be reduced by the arrangement offset into the collecting volume.
  • the guide structure may be arranged directly on an edge of the opening. In this way, if appropriate, the generation of the flow component parallel to the opening can be improved, since the gas flow entering through the opening can interact more directly and directly with the guide structure.
  • the conductive structure may be directly connected to the housing element, for example.
  • the guide structure may extend exclusively along a part of an edge of the opening.
  • the guide structure may extend along an extending direction of the opening at a side of the opening over a length of at least 5% of a length of the opening along the extending direction.
  • formation of the flow component parallel to the opening can be promoted, so that again the compromise can be improved.
  • the formation of the flow component parallel to the surface can be further improved if necessary.
  • the guide structure along the extension direction such that it is at least 10%, at least 20%, at least 25%, at least 40% or at least 50% of the length of the opening of the extension direction.
  • shorter lengths than the aforementioned 5% can be implemented in embodiments of a collecting container.
  • the lead structure may extend at least 2% and at most 50% of a width of the opening with respect to an edge of the opening along a surface normal of the opening into the collection volume.
  • the width of the opening may be a width of the opening, starting from an edge portion, on which the guide structure is arranged, to an opposite edge portion. This may make it possible to improve the filling behavior of the collecting container and thus the aforementioned compromise, on the one hand, while implementing a certain minimum depth of the lead structure, while it does not exceed a maximum value.
  • the degree of separation may be excessively adversely affected or else the filling behavior could be adversely affected by a lead structure extending too far into the collecting volume.
  • the flow component parallel to the surface may no longer contribute, to the extent intended, to the distribution of the particles in the collecting volume.
  • the guiding structure can, for example, protrude beyond an edge of the opening at least 5 mm, but not more than 50 mm in the direction of the collecting volume.
  • the opening is arranged offset to a center of the collecting container.
  • the guide structure may be arranged on a center-facing edge portion of an edge of the opening.
  • the guide structure may be disposed between the center of the collection container and the opening.
  • the center of the collecting container may in this case be given, for example, by a center line in a cross-sectional plane or by a median plane through the collecting container. This may possibly make it possible to realize an air flow configuration in the collecting container, which leads to a more efficient distribution of the particles in the collecting container and thus can improve the filling behavior.
  • the flow component can thus be directed parallel to the opening onto a side wall or a similar housing element, which can then be used for deflecting the gas flow.
  • a side wall or a similar housing element which can then be used for deflecting the gas flow.
  • an air flow may form parallel to a bottom region of the collecting container, on which the particles can then settle.
  • a slowing down of the gas flow can be achieved by the appropriate diversion of the gas flow through the guide structure and optionally the side wall or the further housing element, which in turn can favor the separation of the particles from the gas stream.
  • the housing member may be a ceiling, a bottom surface or a side surface of the receptacle.
  • the housing element and a lid of the collecting container for example a be removable or hinged lid of the collection container.
  • the opening may for example be formed substantially rectangular.
  • corners can be rounded.
  • a collecting container in a collecting container according to an embodiment, this can be designed such that it can not be flowed through and / or is not flowed through during operation of the vortex separator.
  • the collecting container may for example be designed such that during operation of the vortex separator, an incoming gas stream can only leave the collecting container through the opening again.
  • the collecting container may be formed such that it has no further opening which is designed such that, during operation of the vortex separator, a gas flow in the collecting container could leave it again through the further opening.
  • the re-suction behavior of the vortex separator and / or its filling behavior may be positively influenced because, on the one hand due to the lack of further opening, so the lack of flow through the collecting container no specific outlet opening is present, could leave the container again by the dust and other particles. Likewise, this may optionally reduce a flow velocity in the interior of the collecting container, which may have a positive effect on the filling behavior.
  • the guide structure and the housing element may be made in one piece. Additionally or alternatively, in one embodiment of a collecting container, the guide structure and the housing element may be made of a plastic, for example an injection-moldable plastic. As a result, it may be possible to achieve an improvement of the aforementioned compromise with structurally simple means, possibly even cost-neutral. This is under an integrally formed Component understood such that is made exactly from a contiguous piece of material. The term "integral” may therefore be used synonymously with the terms "integral” or "one-piece".
  • the housing member may further include a plurality of retention members extending into the collection volume via an edge of the opening and disposed along at least a portion of the periphery of the opening.
  • a plurality of retention members extending into the collection volume via an edge of the opening and disposed along at least a portion of the periphery of the opening.
  • the retaining elements of the plurality of retaining elements may at least partially extend into a projection of the opening along a surface normal of the opening.
  • the retaining elements of the plurality of retaining elements can also be arranged completely outside the projection of the opening.
  • the plurality of retaining members may each have an opening-facing portion that is bent or inclined at an angle to a surface normal of the opening, the angle being greater than 0 ° and smaller than 90 °. This may optionally support the creation of the flow component parallel to the opening, where appropriate, the portions of the retaining elements.
  • the retaining elements of the plurality of retaining elements may each have a recess on a side facing away from the opening, which is partially or completely over a width of the retaining elements substantially perpendicular to an alignment direction of the respective Retaining element extends.
  • the alignment direction in this case runs from a position of the retaining element to the opening.
  • This may optionally be Retention of the retaining elements and thus the remindsaug be positively influenced, since the provision of the recesses on the backs of the retaining elements a probability is reduced, for example, long-haired or long-fiber particles can pass from the collecting container back through the opening in the direction of the separation chamber.
  • the individual “directions” in the present case may not necessarily be a direction in the mathematical sense of a vector, but a line along which the corresponding movement takes place. Such a line can be straight but also bent. Absky here are directions that actually describe directions along a line, such as the direction of movement. Thus, for example, a first direction may be opposite to a second direction, but both run or be directed along a line also designated as a direction.
  • a frictional or frictional connection comes about through static friction, a cohesive connection by molecular or atomic interactions and forces and a positive connection by a geometric connection of the respective connection partners.
  • the static friction thus presupposes in particular a normal force component between the two connection partners.
  • Adjacent are two objects, between which no further object of the same type is arranged. Immediately adjacent are corresponding objects when they are adjacent, that is, for example, in contact with each other.
  • a component may have n-fold rotational symmetry, where n is a natural number greater than or equal to 2.
  • An n-fold rotational symmetry is present when the component in question, for example, about a rotational or symmetry axis by (360 ° / n) is rotatable, and thereby merges substantially in terms of form in itself, ie in a corresponding rotation substantially to itself mapped in the mathematical sense.
  • the component in terms of shape at least essentially passes into itself, ie becomes mapped to itself in the mathematical sense.
  • rotational symmetry Both an n-fold rotational symmetry as well as a complete rotational symmetry is referred to here as rotational symmetry.
  • a collecting container can thus improve as a compromise between a degree of separation and a rinseg a vortex separator and a filling behavior of its collecting container, where appropriate, by causing a corresponding flow component. This can often be achieved inexpensively using simple structural measures.
  • Fig. 1 shows parts of a housing 100 of a vacuum cleaner, which has at least one operating according to the Wirbelabscheiderkal separator stage or filter stage.
  • the housing 100 has a connection opening 120, via which a suction hose can be connected to the vacuum cleaner and via which a gas stream laden with the respective particles can be conveyed into the separation chamber 110.
  • the connection opening 120 is in this case connected to the separation chamber 110 in such a way that the gas flow flowing through the connection opening 120 is set into a swirling motion in the separation chamber 110.
  • the separation chamber 110 of the vortex separator is connected via an ejection channel 130 with an in Fig. 1 not shown opening in a lid 140, so that in the separation chamber 110 due to the centrifugal forces acting on them radially outwardly accelerated particles on the discharge channel 130 and the opening, not shown, can reach into a collecting container 150 according to an embodiment.
  • the collecting container 150 is also referred to as a dust container or simply as a box.
  • the cover 140 is designed here as part of the collecting container 150. It is designed as a removable or hinged lid, which has an in Fig. 1 not as such recognizable discharge opening of the collecting container 150 closes during operation of the vacuum cleaner.
  • the lid 140 thus constitutes a specific example of a housing element 160 of a collecting container 150 according to an exemplary embodiment.
  • the separation chamber 110 is first discussed in terms of its design with regard to the further guidance of the gas flow. After the gas flow has passed into the separation chamber 110 through the connection opening 120, by the centrifugal forces acting on the particles entrained in the gas flow, due to the vortex forming there, in such a way that they are accelerated radially outward, this essentially becomes Gas stream purified from the entrained particles in this manner is directed to an outlet grate 170. Before the corresponding gas stream passes through the outlet grate 170, it can pass through further filter stages, for example a filter stage for fine dusts or other particles. In principle, all filter elements can be used which are known in the vacuum cleaner and Absauge Symposium Symposium and technically useful.
  • Fig. 2 shows a cross-sectional view through the housing 100 from Fig. 1 along the section line AA also marked there. So shows Fig. 2 a representation perpendicular to an axial direction by which the vortex forms in the separation chamber 110 during operation of the vacuum cleaner.
  • the separation chamber 110 is in this case designed substantially cylindrical and extends with its axis of rotation perpendicular to the in Fig. 2 shown cross-sectional plane AA.
  • the separation chamber 110 is in this case connected via the already mentioned ejection channel 130 and an opening 180 in the housing element 160 (cover 140) with the collecting container 150 or its collecting volume 190 such that particles in the separation chamber 110 due to there during operation of the vacuum cleaner prevailing vortex be transported radially outward into the discharge channel 130 and from there into the collecting volume 190 and the collecting container 150 can arrive.
  • the collecting volume 190 is in this case essentially formed by an interior of the collecting container 150.
  • the housing element 160 of the collecting container 150 in this case has a guide structure 200, which is designed such that it at least partially causes a flow component parallel to the opening 180 at a gas stream entering through the opening 180.
  • the conductive structure 200 is also referred to as a diffuser rib.
  • the guide structure 200 is in this case designed such that it at least partially extends into a projection of the opening 180 along a surface normal of the opening 180 inside.
  • the particles which have been entrained by the gas stream and separated from the gas stream in the separation chamber 110 may optionally be distributed more evenly in the collecting container 150, possibly even almost evenly.
  • the guide structure 200 can also contribute to the fact that already separated particles, so for example deposited dirt, again from the collecting container 150 due to prevailing turbulence through the opening 180 can get back into the separation chamber 110.
  • the guide structure 200 may provide this by, for example, creating a corresponding gas flow, also referred to as the counterflow of air.
  • the retraction behavior of the vortex separator can consequently also be improved, if necessary, without having to accept significant losses with regard to the separation efficiency, which not least depends on a size of the opening 180.
  • the conductive structure 200 has a guide section 210, which has a substantially planar design, which is oriented at an angle between 0 ° and 90 ° to a surface normal of the opening. More specifically, as well as in connection with the Fig. 4 and 5 will be described in more detail, the angle between the surface normal and the guide portion 210 in the present case about 60 °.
  • the angle in question may also have other values, for example values in the range between at least 15 ° and at most 75 ° to that not in Fig. 2 assumed surface normals.
  • the flow component can thus be effected parallel to the opening 180, the selected angle influencing, for example, the intensity of the flow component parallel to the opening 180, but also other parameters such as an effective size of the opening 180 and thus can also take the degree of separation of the vacuum cleaner.
  • the angle can thus typically be varied between 0 ° and 90 °, with optimum values depending on the specific geometry of the collecting container and possibly other parameters of the vacuum cleaner.
  • the angle is in the range of about 60 °, but in other embodiments with possibly differently shaped collecting containers 150 or other housings 100 may assume quite different values.
  • the housing element 160 thus has, for example, an edge 220 which is shaped such that it can be brought into contact with the side walls 230 of the collecting container 150 in such a way that the housing element 160, ie the removable cover 140, closes the collecting container 150.
  • the edge 220 and the side walls 230 form a gap seal, by which escape of particles deposited in the collecting container 150 is to be avoided.
  • the housing element 160 has a plurality of retaining elements 240 which extend into the collecting volume 190 via an edge of the opening 180 and are arranged along at least part of the circumference of the opening 180. So are in Fig. 2 a total of three retaining elements 240 provided with the reference numeral.
  • Fig. 3 shows a plan view of the lid 140 formed as a housing member 160 starting from the collection volume 190. More specifically, shows Fig. 3 a cross-sectional view of the housing 100 along in Fig. 2 shown section plane BB facing the lid 140th
  • the housing element 160 has in this case for stiffening a plurality of stiffening ribs 250 which intersect each other.
  • the stiffening ribs 250 serve to increase the mechanical stability of the housing element 160. This can be made, for example, from an injection-moldable plastic, but in principle also from any other suitable material. Especially with the use of plastic, it may be advisable to provide the stiffening ribs 250 to increase the mechanical stability, even if, of course, their concrete geometric implementation is far from being a necessary realization.
  • Fig. 3 moreover shows the geometric configuration of the opening 180, which is formed substantially rectangular in the present embodiment, wherein the individual corners of the opening 180 are configured with different radii of curvature.
  • the opening 180 in this case extends along an extension direction 260, which in Fig. 3 is shown as a dotted line.
  • the guide structure 200 with its guide section 210 extends along the extension direction 260 on one side of the opening 180 over a length of approximately 50% of the length of the opening 180 along the extension direction 260. This results in an at least not inconsiderable proportion of the objects entering the collection container 150 Air from the guide structure 200 influenced such that the flow component described above is effected parallel to the opening 180 through this.
  • the guide structure 200 may have a different or deviating length along the extension direction 260.
  • the conductive structure 200 typically has a length of at least 5% of the length of the opening 180 along the extension direction 260, but may be shorter if desired.
  • the length may be at least 10%, at least 20%, at least 25%, at least 40% or at least 50% of the length of the opening 180.
  • the flow component caused by it is amplified parallel to the opening 180, which is based on the above-described compromise with regard to the degree of separation and Return flow behavior of the vortex separator on the one hand and the filling behavior of the collecting container 150 on the other hand can make positive positive.
  • the length of the conductive structure 200 and its conductive portion 210 increases, the flow component parallel to the orifice 180 tends to be enhanced.
  • limiting the length of the lead structure 200 may be advisable.
  • Fig. 3 illustrates, moreover, that in the exemplary embodiment shown there, the conductive structure 200 is arranged directly on an edge 270 of the opening 180.
  • the flow component can be reinforced parallel to the opening 180.
  • the conductive structure 200 further extends at least partially into a projection of the opening 180 along a surface normal 280 of the opening 180.
  • the opening 180 in this case has a passage area through which the particles from the separation chamber 110 (not shown in FIG Fig. 3 ) into the collection volume 190 (not shown in FIG Fig. 3 ) can get.
  • the surface normal 280 of the opening 180 here is just a surface normal of the passage opening.
  • the passage surface is an area in the mathematical sense that can coincide at most outside the opening 180 with a physical surface of a component or an object.
  • the passage area is configured in such a way that all particles that can pass through the opening 180 from the separation chamber 110 into the collecting volume 190 have also passed through the passage area. In other words, the passage area completely covers the area of the opening 180.
  • the guide structure 200 extends at least partially, more precisely in the exemplary embodiment shown here, only partially into the projection of the opening 180 along the surface normal 280, the previously described flow component directed parallel to the opening 180 can thus be effected without However, to significantly adversely affect an effectively usable area of the opening 180 and thus the degree of separation of the corresponding vortex separator.
  • the guide structure 200 exclusively along part of the edge 270 of the opening 180.
  • the guide structure 200 may also completely surround the opening 180, if they still causes the above-described flow component parallel to the opening 180.
  • the opening 180 is arranged offset to a center 290 of the collecting container 150.
  • the center 290 is to be understood in the sense of a center plane or center line, which in the present case is aligned parallel to the extension direction 260.
  • the conductive structure 200 is arranged on an edge portion of the edge 270 of the opening 180 facing the center 290, that is to say like this Fig. 3 also illustrates between the center 290 and the opening 180.
  • the guide structure 200 is arranged in such a way that it does not obstruct flying, already deposited particles in the direction of the collecting container 150 from penetrating into the collecting container 150, but is nevertheless oriented such that From the collecting container 150 in the direction of separation chamber 110 particles flying back, for example, long hair, are retained by the guide structure 200 and so can not be sucked back into the separation chamber 110.
  • the guide structure 200 is in this case mounted in the opposite direction to the larger side of the collecting container 150.
  • Fig. 3 further shows that the retention members 240 of the plurality of retention members at least partially extend into the projection of the opening 180 along the surface normal 280 of the opening 180.
  • the retention members 240 of the plurality of retention members may also be located entirely outside the projection of the opening 180, if desired.
  • Fig. 4 shows a cross-sectional view along in FIG Fig. 2 drawn cutting plane CC through the housing 100 with the collecting container 150 according to one embodiment. So shows the in Fig. 4 shown cross-sectional view of the housing 100 with the components already described above.
  • illustrated Fig. 4 the position of the guide structure 200 or its guide section 210 with respect to the center 290. It should be noted in this case, in particular with regard to the position of the surface normal 280 that the housing member 160 and thus the opening 180 slightly inclined to the in Fig. 4 shown cross-sectional plane CC runs.
  • Fig. 4 by a circle D a position of an enlarged representation, which in Fig. 5 is shown.
  • Fig. 5 shows the already in Fig. 4 area D marked with respect to its location, which is located in the Fig. 4 shown cross-sectional plane CC is located. So shows Fig. 5 an enlargement of the area of the housing element 160 (cover 140) in the region of the opening 180 with the guide structure 200 and its guide section 210. So shows Fig. 5 the surface normal 280.
  • the surface normal 280 is in this case perpendicular to the above-mentioned, but not described in more detail with respect to their location passage surface 300 of the opening 180.
  • the passage area 300 is here shown as a dotted line in the cross-sectional plane CC and represents a surface in the mathematical sense which can coincide at most outside the opening 180 with a physical surface of a component or an object. In this case, the passage area 300 is such that all particles which pass from the separation chamber 110 or its discharge channel 130 into the collecting volume 190 must also pass through the passage area 300.
  • the passage area 300 is the complete area of the opening 180.
  • the leading portion 210 of the conductive pattern 200 is completely offset from the collection volume 190 with respect to a position of the edge 270.
  • the conductive structure 200 has a connecting portion 310, which is directly connected on the one hand to the guide portion 210 and on the other hand to the housing member 160, so the lid 140.
  • the connecting portion 310 is directly connected on the one hand to the guide portion 210 and on the other hand to the housing member 160, so the lid 140.
  • the guide structure 200 extends here relative to the edge 270 of the opening 180 along the surface normal 280 of the opening 180 into the collection volume 190 over a height 320, which typically corresponds to at least 2% and typically at most 50% of a width of the opening 180.
  • the width of the opening is that width which, starting from an edge section on which the guide structure 200 is arranged, results in an opposite edge section of the opening 180.
  • the height 320 between typically 2% and at most 50% of the width of the opening 180, it is thus possible in many cases to avoid excessive influencing of the degree of separation of the vortex separator on the one hand and a negative effect on the filling behavior of the collecting vessel 150 in many cases.
  • a greater height 320 than the aforementioned 50% of the width may optionally be implemented.
  • the angle of the guide portion 210, below which it is arranged to the surface normal 280, is - as previously explained - in the embodiment shown here about 60 °, but in other embodiments, in the range between 0 ° and 90 °, in others Embodiments between 15 ° and 75 ° can be varied. Together with the extension of the connecting section 310 along the surface normal 280, a multiplicity of geometric ones thus result Design options of the guide structure 200, which allow adaptation to different separation systems with different geometries.
  • the guide structure 200 can optionally be specifically adapted to different separation systems with possibly different geometries, but also to differently dimensioned vortex separator.
  • the guide section 210 is arranged at an angle so as not to impede a significant degree of dust separation, but with respect to the collecting volume 190, such that it forms a catch nose with such a minimum height, so that hair and other fibrous particles do not slip over, but at least reduced.
  • the height 320 should not be so high that a uniform filling of the collecting container 150 is made more difficult.
  • the guide portion 210 has a slope at an angle of about 60 ° to the surface normal 280, which also substantially coincides with the ejection direction.
  • the guide structure 200 may thus optionally not only allow an improvement in the filling behavior of the collecting container 150, but also prevent the sucking back of hair and other particles, in particular fibrous particles.
  • the guide structure 200 is arranged in such a way that the flow component caused by the guide structure 200, ie the flow component corresponding Umleitgasstrom (counter gas flow) is directed towards the smaller side of the container, thus minimizing the vortex formation in the collecting container 150.
  • the flow component caused by the guide structure 200 ie the flow component corresponding Umleitgasstrom (counter gas flow) is directed towards the smaller side of the container, thus minimizing the vortex formation in the collecting container 150.
  • the guide structure 200 and the housing element 160 may be made in one piece.
  • the conductive structure 200 can be made together with the housing element 160, for example, from a plastic, for example an injection-moldable plastic.
  • a collecting container 150 it may be possible to implement a collecting container 150 according to an embodiment essentially cost-neutral by the use of simple technical means.
  • Fig. 6 shows one Fig. 3 very similar representation of the housing member 160 (cover 140), in contrast to Fig. 3 a further cross-sectional plane KK is shown in Fig. 7 is shown in more detail.
  • FIG. 7 shows Fig. 7 the housing 100 along in Fig. 6 illustrated cross-sectional plane KK, wherein, in contrast to the only parallel shifted cutting plane CC of the Fig. 4 In addition, the viewing direction was rotated by 180 °.
  • Fig. 7 in detail that in the context of a collecting container 150 according to an embodiment in addition to the guide structure 200 as well as the previously shown retaining elements 240 can be implemented.
  • So shows Fig. 7 a retaining element 240 of the plurality of retaining elements in cross section.
  • the retaining elements 240 in this case each have an opening 330 facing the portion 330, which is inclined relative to the surface normal 280 of the opening 180 at an angle which is greater than 0 ° and less than 90 °.
  • the angle is also about 60 °, whereby on the one hand the formation of the flow components is also supported parallel to the opening 180, as well as a sliding of particles on the retaining elements 240 in the direction of the collecting volume 190.
  • this can have a negative impact the degree of separation of the vortex separator may be reduced, while the design of the Retaining elements 240 with the sections 330, where appropriate, the filling behavior 330 can be positively influenced.
  • portions 330 may be provided at angles other than the 60 ° angle shown here.
  • section 330 is merely an optional component, which may also be omitted.
  • the guide structures 200 further each have a recess 340 on a side facing away from the opening 180, which extends partially or completely over a width of the retaining elements 240 substantially perpendicular to their alignment direction between their position and the opening 180.
  • the retaining elements 240 are, as not least already Fig. 3 and Fig. 6 have shown substantially rib-shaped, so that the alignment direction of the retaining elements 240 corresponds to the orientation of the ribs. Because the recesses 340 are provided, a retaining functionality of the retaining elements 240 may possibly be improved, since in particular fibrous particles can more easily get caught on the edges forming on the recess 340. As a result, the re-sucking behavior can be further improved if necessary. Like the retaining elements 240, the recesses 340 also generally represent optional components which may be omitted.
  • a gas flow inside the collection volume 190 of the collection container 150 will be described in more detail, it is advisable to point out that embodiments of a collection container 150 are far from being limited to the variants shown here.
  • a removable or hinged cover 140 has hitherto always been considered as a housing element 160.
  • other housing elements such as a ceiling, a bottom surface or a side surface or side wall 230 of the collecting container 150 may be configured accordingly.
  • other geometric and technical boundary conditions can be found in other embodiments, which can be taken into account by a corresponding adjustment of the conductive structure 200 and possibly other components.
  • a conductive structure 200 based on a substantially planar conductive section 210 has been described above, other conductive structures 200 may also be implemented. In this case, for example, instead of a just executed guide section 210, a corrugated, or a differently shaped guide section can be used. Also, if appropriate, the conductive structure 200 can be designed differently, so that a substantially non-planar executed, continuous conductive section 210 results.
  • Embodiments of a collecting container 150 can thus enable an improvement of the separation efficiency, in particular in the area of the fine dust. Likewise, they can allow improved filling of the collecting container 150 and thereby longer suction intervals.
  • a risk of the back suction of particles from the collecting container 150 may also be reduced if necessary.
  • a collecting container 150 may optionally be implemented with the aid of techniques which are technically easy to implement, possibly even cost neutral, wherein an improvement in the coarse dirt separation can already be achieved on account of an optionally larger opening 180 that can be implemented.
  • the guide structure 200 may also contribute to noise reduction by reducing turbulence in the catch tank 150.
  • FIG. 8 So shows Fig. 8 already in Fig. 4 shown cross-sectional view along the section plane CC through a collecting container 150 according to one embodiment.
  • Fig. 8 For example, two flows 350-1 and 350-2 of air flows are shown starting from the separation chamber 110 and the discharge channel 130 onto the opening 180 to meet. Upon entry of the two flows 350-1, 350-2, these impinge on the guide structure 200, through which they receive a flow component parallel to the opening 180. Thus, the two streams 350-1, 350-2 are placed on the in Fig. 8 deflected right side wall 230-1 deflected out. In this case, due to the different interaction of the two streams 350-1, 350-2, these are influenced differently by the conductive structure 200.
  • the two streams 350-1, 350-2 strike a side wall 230-2 opposite the side wall 230-1, where they form a local vortex 370.
  • the vortex 370 in this case runs essentially perpendicular to an in Fig. 8 not shown vortex in the region of the separation chamber 110th
  • FIG. 9 one Fig. 8 comparable cross-section along the cross-sectional plane CC Fig. 4
  • the guide structure 200 is missing.
  • a flow 350 striking the opening 180 from the separation chamber 110 and the discharge channel 130 is supplied to the bottom portion 360 of the collection container 150 where it is away from the side wall 230-1 to the second side wall 230-2 opposite the side wall 230-1 is diverted.
  • a direct comparison of the two representations of the 8 and 9 illustrates that it can lead to an improved filling of the collecting container 150 by the use of a guide structure 200 in the region of the opening 180 at a collecting container 150 according to an embodiment.
  • the guide structure 200 is therefore also referred to as diffuser rib or filling rib.
  • an air vortex 370 can be produced on a side wall 230-2 opposite to the opening 180 by implementing and providing a guide structure 200 in the region of the opening 180
  • a guide structure 200 in the region of the opening 180
  • a more even distribution of the particles in the collecting volume 190 may optionally be achieved, so that an existing volume can be more effectively filled and thus utilized. In addition or as an alternative, this may further prevent or at least make it more difficult to suck back particles, for example by increasing a distance from the opening 180 to the deposited particles.
  • the use of the guide structure 200 can generate the vortex 370, which connects the particles to one another.
  • the collection volume 190 of the collecting container 150 may possibly be better utilized and / or a return transport of the already separated particles back into the separating chamber 110 can be avoided more effectively.
  • the show in the 8 and 9 flows 350 also shown that the collecting container 150 can not be flowed through or is not flowed through during operation of the vortex separator. It thus has no further opening which is designed such that during the vortex separator, the gas flow 350 in the collecting container 150 can leave it again through the further opening.
  • the collecting container 150 is designed such that during operation of the vortex separator, an incoming gas stream 350 can only leave the collecting container 150 again through the opening 180.
  • a collecting container 150 according to an exemplary embodiment can thus possibly improve a compromise between a degree of separation and a suck-back behavior of a vortex separator and a filling behavior of its collecting container 150 by causing a corresponding flow component. This can often be achieved inexpensively using simple structural measures.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Cyclones (AREA)

Claims (14)

  1. Récipient de collecte (150) pour la collecte de particules pour un séparateur tourbillonnaire, possédant les caractéristiques suivantes :
    un élément de logement (160) qui délimite au moins en partie un volume de collecte (190) du récipient de collecte (150) ; et
    une ouverture (180) dans l'élément de logement (160) qui est conçue et disposée de telle sorte que des particules provenant d'un tourbillon régnant dans un compartiment de séparation (110) du séparateur tourbillonnaire peuvent passer par l'ouverture (180), du compartiment de séparation (110) dans le volume de collecte (190) du récipient de collecte (150), l'ouverture (180) étant disposée en décalage par rapport à un milieu (290) du récipient de collecte (150),
    dans lequel l'élément de logement (160) comporte une structure de guidage (200) qui s'étend en son sein au moins en partie en une saillie de l'ouverture (180) le long d'une normale à la surface (280) de l'ouverture (180), la structure de guidage (200) étant conçue de telle sorte que celle-ci entraîne au moins en partie une composante d'écoulement parallèlement à l'ouverture (180) dans le cas d'un flux gazeux entrant perpendiculairement par l'ouverture (180),
    caractérisé en ce que
    la structure de guidage (200) est disposée entre le milieu du récipient de collecte (150) et l'ouverture (180) et conçue de telle sorte que la composante d'écoulement entraînée par la structure de guidage (200) est dirigée dans la direction du côté de récipient le plus petit du récipient de collecte (150).
  2. Récipient de collecte (150) selon l'une des revendications précédentes, dans lequel la structure de guidage (200) comporte une section de guidage (210) sensiblement plane.
  3. Récipient de collecte (150) selon l'une des revendications précédentes, dans lequel la structure de guidage (200) comprend une section de guidage (210) qui est orientée selon un angle compris entre 0° et 90°, par exemple d'au moins 15° et d'au plus 75°, par rapport à une normale à la surface (280) de l'ouverture (180).
  4. Récipient de collecte (150) selon l'une des revendications précédentes, dans lequel la structure de guidage (200) comprend une section de guidage (210) qui est disposée en son sein en décalage par rapport à un bord (270) de l'ouverture (180) entièrement dans le volume de collecte (190).
  5. Récipient de collecte (150) selon l'une des revendications précédentes, dans lequel la structure de guidage (200) est disposée directement sur un bord (270) de l'ouverture (180).
  6. Récipient de collecte (150) selon l'une des revendications précédentes, dans lequel la structure de guidage (200) s'étend exclusivement le long d'une partie d'un bord (270) de l'ouverture (180).
  7. Récipient de collecte (150) selon l'une des revendications précédentes, dans lequel la structure de guidage (200) s'étend le long d'une direction d'étendue (260) de l'ouverture (180) sur un côté de l'ouverture (180) sur une longueur d'au moins 5 % d'une longueur de l'ouverture (180) le long de la direction d'étendue (260).
  8. Récipient de collecte (150) selon l'une des revendications précédentes, dans lequel la structure de guidage (200) s'étend en son sein par rapport à un bord (270) de l'ouverture (180) le long d'une normale à la surface (280) de l'ouverture (180) dans le volume de collecte (190) sur au moins 2 % et au plus 50 % d'une largeur de l'ouverture (180).
  9. Récipient de collecte (150) selon l'une des revendications précédentes, dans lequel la structure de guidage (200) est disposée sur une section de bord faisant face au milieu (290) d'un bord (270) de l'ouverture (180).
  10. Récipient de collecte (150) selon l'une des revendications précédentes, dans lequel la structure de guidage (200) fait saillie d'au moins 5 mm, toutefois d'au plus 50 mm dans la direction du volume de collecte (190) sur un bord (270) de l'ouverture (180).
  11. Récipient de collecte (150) selon l'une des revendications précédentes, dans lequel l'élément de logement (160) est une couverture, une surface de fond ou une surface latérale du récipient de collecte ou un couvercle (140) du récipient de collecte, par exemple un couvercle (140) amovible ou repliable du récipient de collecte (150).
  12. Récipient de collecte (150) selon l'une des revendications précédentes, qui ne peut pas être traversé et/ou qui n'est pas traversé lors d'un fonctionnement du séparateur tourbillonnaire.
  13. Récipient de collecte (150) selon l'une des revendications précédentes, dans lequel la structure de guidage (200) et l'élément de logement (160) sont conçus d'une seule pièce, et/ou dans lequel la structure de guidage (200) et l'élément de logement (160) sont préparés à partir d'une matière plastique, par exemple d'une matière plastique apte au moulage par injection.
  14. Récipient de collecte (150) selon l'une des revendications précédentes, dans lequel l'élément de logement (260) comprend une pluralité d'éléments de retenue (240) qui s'étendent en son sein sur un bord (270) de l'ouverture (180) dans le volume de collecte (190) et sont disposés le long d'au moins une partie du bord (270) de l'ouverture (180).
EP13154068.4A 2012-02-15 2013-02-05 Récipient de collecte pour la collecte de particules pour un séparateur à tourbillon Active EP2628429B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012202286A DE102012202286A1 (de) 2012-02-15 2012-02-15 Auffangbehälter zum Auffangen von Partikeln für einen Wirbelabscheider

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EP2628429A2 EP2628429A2 (fr) 2013-08-21
EP2628429A3 EP2628429A3 (fr) 2016-08-17
EP2628429B1 true EP2628429B1 (fr) 2018-01-03

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DE (1) DE102012202286A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6171356B1 (en) * 1998-04-28 2001-01-09 Frank Twerdun Cyclonic vacuum generator apparatus and method
KR100413988B1 (ko) * 2000-03-24 2004-01-07 샤프 가부시키가이샤 전기 진공 청소기
KR100382451B1 (ko) * 2000-11-06 2003-05-09 삼성광주전자 주식회사 진공청소기의 싸이클론 집진장치
KR100474078B1 (ko) * 2003-06-02 2005-03-14 삼성광주전자 주식회사 진공청소기의 사이클론 집진장치
EP1547509A3 (fr) 2003-12-24 2006-09-20 Daewoo Electronics Corporation Collecteur de poussière à cyclone pour aspirateur
KR100595916B1 (ko) * 2004-10-14 2006-07-05 삼성광주전자 주식회사 사이클론 집진장치
FR2957510B1 (fr) * 2010-03-19 2012-04-06 Seb Sa Aspirateur a separation cyclonique des dechets

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2628429A2 (fr) 2013-08-21
DE102012202286A1 (de) 2013-08-22
EP2628429A3 (fr) 2016-08-17

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