EP3344927A1 - Unité d'obturation conçue pour un passage d'air - Google Patents

Unité d'obturation conçue pour un passage d'air

Info

Publication number
EP3344927A1
EP3344927A1 EP16760077.4A EP16760077A EP3344927A1 EP 3344927 A1 EP3344927 A1 EP 3344927A1 EP 16760077 A EP16760077 A EP 16760077A EP 3344927 A1 EP3344927 A1 EP 3344927A1
Authority
EP
European Patent Office
Prior art keywords
frame
termination unit
cover
permanent magnet
cover 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
EP16760077.4A
Other languages
German (de)
English (en)
Inventor
Jürgen Rudolf
Christian Gnaust
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.)
Fraenkische Rohrwerke Gebr Kirchner GmbH and Co KG
Original Assignee
Fraenkische Rohrwerke Gebr Kirchner GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraenkische Rohrwerke Gebr Kirchner GmbH and Co KG filed Critical Fraenkische Rohrwerke Gebr Kirchner GmbH and Co KG
Publication of EP3344927A1 publication Critical patent/EP3344927A1/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/082—Grilles, registers or guards
    • F24F13/084—Grilles, registers or guards with mounting arrangements, e.g. snap fasteners for mounting to the wall or duct
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/082—Grilles, registers or guards
    • F24F13/085—Grilles, registers or guards including an air filter

Definitions

  • the invention relates to a termination unit for a ventilation duct, for example a KWL ventilation system (KWL - controlled ventilation) comprising a frame insertable into the ventilation duct, operatively connected thereto and defining an air passage and a cover element provided with at least one passage opening, wherein the cover member and the frame are separate from each other formed elements which are fastened to each other.
  • KWL ventilation system KWL - controlled ventilation
  • termination units are already known from the market.
  • frame and cover form a
  • Mounting unit which can only be used as a whole in the ventilation duct and removed from it. Since the frame is held in the ventilation duct by barb elements, there is a risk of damage to the ventilation duct or the barb elements when removing the mounting unit. In addition, the orientation of the
  • termination unit of the type mentioned, in which the termination unit further comprises at least one permanent magnet, wherein at one of
  • At least one fixing surface is provided for the at least one permanent magnet which can be brought into magnetic holding engagement with at least one provided on the other element, frame or cover, counter surface, and wherein the at least one permanent magnet and the at least one counter surface are dimensioned such that the cover relative to the Frame is relocatable.
  • the cover is only in magnetic holding engagement with the frame, the cover can be easily removed from the frame. Further, the cover member may be displaced relative to the frame due to the magnet retaining engagement such that orientation of an end portion of the vent conduit deviating from a desired orientation may be compensated, that is, the orientation of the end portion of the vent conduit is less than a desired orientation Covering can be brought in the desired orientation. This may be of great importance, in particular in non-rotationally symmetrical embodiments of the cover element, since in these forms, in addition to a translational deviation from a desired position, a rotational deviation from a desired orientation may also be visible.
  • the barb elements and / or the frame Devices for removing the blocking effect, such as tool holders have.
  • the frame may have corresponding recesses for this purpose.
  • the at least one permanent magnet can be fastened to the cover element.
  • This can be realized for example by gluing or by welding.
  • the cover can be made of a non or only weakly magnetizable material, such.
  • stainless steel, aluminum or plastic or have the cover at least partially covering layer, such as a paint, which could hinder a magnetization of the cover.
  • the frame can be a
  • the end face can so a contact surface or
  • the substantially planar end face also serves to align the cover substantially flat.
  • the cover can be aligned even substantially plan if the at least one
  • Permanent magnet uneven or its two facing the cover and to the at least one mating surface pages should not be parallel.
  • the height of the at least one permanent magnet may be substantially equal to the distance of the end face from the at least one counter surface.
  • a magnetic return can be achieved, wherein the magnetic field lines on the one hand by the pairing "end face - cover” and on the other by the pairing "permanent magnet - counter surface” run.
  • Magnetic inference allows the magnetic holding force to be reduced compared to a magnetic holding engagement without magnetic return, to be strengthened.
  • a displacement of the cover is limited by, for example, one of a plurality of permanent magnets on an end face delimiting, inner edge abuts.
  • the cover element is displaced so far, for example due to an unintentional displacement of the cover element, that the least one permanent magnet and the at least one counter surface except magnetic Garingriff occur, resulting in the cover, for example, in the case of a ceiling mounting the ventilation duct , could unintentionally loose from the frame.
  • the frame comprises no end face or an end face, which has a smaller distance from the at least one counter surface than the height of the at least one permanent magnet.
  • the cover member is aligned by the one or more surfaces of the at least one permanent magnet which magnetically engage the at least one mating surface. Depending on the desired orientation of the cover, in this case a parallelism of these surfaces may be required to each other.
  • the cover may be formed substantially flat.
  • the cover can thus be provided as a, for example, made of a metal sheet, stamped part or cut part. This can reduce the manufacturing costs of the cover element, for example in comparison to a cover element which is designed as a milled part.
  • a cutting method in the production of the cover for example, laser cutting or water jet cutting process in question.
  • the frame is formed as a stamped and bent part.
  • the frame can be produced cost-efficiently, For example, punched out of a metal sheet and then bent into a predetermined shape.
  • a cutting method can be used as well.
  • the frame may be composed of at least two identically formed elements. Again, this can affect a reduction in the manufacturing costs, since the number of different components can be reduced.
  • the two halves of the frame may have corresponding connecting elements which can be engaged with each other to connect the two halves of the frame together.
  • the two halves of the frame can also be welded or glued together, for example.
  • the frame may comprise at least one holding element for a functional unit, for example a filter.
  • the functional unit can be arranged captively in the frame. It is conceivable that the at least one retaining element for the functional unit is brought into a predefined orientation during the production of the frame, whereby at least one receptacle, for example in the form of a pocket, is formed.
  • the functional unit can, for. B. be flexible or elastic, so as to be introduced into the corresponding receptacles of the frame can.
  • the at least one retaining element can also be designed to be displaceable, so that a functional unit, regardless of its flexible or elastic properties, can be fixed in the frame by a displacement of the at least one retaining element.
  • the at least one retaining element can also be designed to be displaceable, so that a functional unit, regardless of its flexible or elastic properties, can be fixed in the frame by a displacement of the at least one retaining element.
  • a combination of a non-flexible functional unit with a non-displaceable at least one retaining element is also conceivable, for example using snaps or a hook-and-loop fastener.
  • the frame may have a non-rotationally symmetrical, if desired substantially rectangular, shape.
  • a non-rotationally symmetrical shape is advantageous in particular in the case of an arrangement of at least one ventilation duct, and thus of at least one covering element, along an edge of a room.
  • the longitudinal sides of a rectangular shape of the cover can be aligned to corresponding edges of the room, which usually results in a more pleasing appearance than in non-aligned arrangement.
  • the frame may have a substantially rotationally symmetrical shape.
  • a substantially rotationally symmetrical shape of the frame or of the cover element offers the advantage that rotational deviations from a desired orientation during installation of the
  • Ventilation line is not relevant or can be compensated by a rotationally symmetrical cover.
  • a rotationally symmetrical or at least substantially round frame can be combined with a non-rotationally symmetrical cover element.
  • the advantages of the present invention may come into play here, since a non-rotationally symmetrical cover element, by a suitable positioning and / or shape of the at least one
  • Permanent magnets, in relation to the frame can be rotationally displaced until a desired orientation of the cover is achieved or a misalignment of the frame is balanced. It should be mentioned at this point that with the term "orientation" of the vent line or the cover always a rotation of the end portion of the vent line or the cover in the plane in which the cover is to be arranged, such as a wall surface is meant. A rotation of the end portion of the vent line or the cover member out of this plane should generally be avoided, however, such a misalignment can be compensated for example by the arrangement of different high permanent magnets.
  • the cover element can be detached from the frame without tools.
  • it can be prevented, for example, that tool receptacles are to be provided on the cover element, which can negatively influence the visual impression of the cover element.
  • An example of tool-free removal of the cover member from the frame may be that the air passage openings in the frame are large enough for an operator to grasp the frame there.
  • Also provided on the cover grip devices are conceivable.
  • the cover element in combination with the frame such
  • the cover member can be levered or tilted with bare fingers to separate it from the frame.
  • the cover can be made of glass.
  • the at least one permanent magnet can be connected to the cover element, for example by means of an adhesive tape.
  • Permanent magnets as seen from the front of the cover, to prevent or at least reduce, it may be provided that the glass cloudy or opaque, e.g. as a frosted glass or with a
  • the at least one permanent magnet and the at least one mating surface can be brought out of the magnetic holding engagement in at least one predetermined orientation relative to one another.
  • the cover can be moved in a predetermined orientation, so that it For example, in the case of ceiling mounting of the corresponding vent line, it will be released from the vent line by gravity, thereby preventing the cover element and / or other elements such as the wall from being damaged
  • the at least one predetermined orientation in which the cover member except the magnetic retaining engagement with the frame, by markings, such as two in this orientation forming a line L josl notches can be identified.
  • the at least one mating surface can be integrally formed with the frame.
  • magnetizable, advantageously stainless, materials may be suitable for this purpose.
  • An integral construction of the at least one mating surface with the frame can be provided, for example, in the above-mentioned stamped and bent part, in which the at least one mating surface can be bent to its predetermined position.
  • the at least one mating surface may be formed as a separate element from the frame.
  • a frame which is made of a non-magnetizable material, such as a plastic, allow, with which the least one, advantageously magnetizable counter surface, for example by gluing, screwing or plugging connected can be.
  • the at least one counter-surface forming element is connected to the frame in an injection molding process.
  • the cover can be made of a material with permanent magnet properties.
  • a manufacturing step of the cover member in which the at least one permanent magnet is attached to the cover member can be avoided because the cover member itself may already have the necessary properties.
  • cover member and the frame can of course also have different shapes, such as a round shape for the cover and a rectangular shape for the frame.
  • Figure 1 is a perspective view of the invention
  • Figure 2A is a plan view of an embodiment of a frame according to the invention.
  • Figure 2B is a perspective view of the frame of Figure 1A; and Figure 3 is a perspective view of an embodiment of a cover according to the invention;
  • Figure 4 is a perspective view of another embodiment of a frame according to the invention.
  • Figure 5 is a perspective view of another embodiment of a cover according to the invention.
  • FIG. 1 shows an embodiment of the termination unit 50 according to the invention, which comprises a frame 0 and a cover element 28. Both the frame 10 and the cover 28 are in
  • Figures 2A and 2B show the known from Figure 1 embodiment of the frame 10 according to the invention, which comprises two identical frame parts 12 and four mounted on the frame barb elements 14, which serve to fix the frame 10 in a ventilation duct, not shown.
  • the two identical frame parts 12 have connecting devices 16 at mutually corresponding locations, so that they can be joined together to form a frame 10.
  • Each of the frame parts 12 comprises a tab 18, wherein the two tabs 18 are bent toward one another along a respective bending edge 20, which runs essentially parallel to the longitudinal extension direction of the frame 10.
  • a respective bending edge 20 which runs essentially parallel to the longitudinal extension direction of the frame 10.
  • the frame 10 has holding elements 22, of which in the figures 2A and 2B only two exemplars are provided with reference markings which are provided to connect a radio (not shown). tion unit, such as a filter to hold.
  • the holding elements 22 are designed in this embodiment as a bendable tabs, which can be bent before or after inserting the functional unit in a predetermined position.
  • the example of the two provided with reference numerals holding elements 22 such a possible position is shown in phantom in each case.
  • FIGS. 2A and 2B also show two mating surfaces 24, which will be described in detail below, as well as an end face 26, which framing the frame 10 at least partially.
  • Figure 3 illustrates the known from Figure 1 embodiment of the cover member 28 according to the invention, which, for example, from a
  • Sheet metal has been punched out or cut out.
  • two elongate openings 30 have been cut out of the cover element 28 in order to allow air to pass through the cover element 28.
  • the cover member 28 further includes two permanent magnets 32, which are strip-shaped in the example shown here.
  • the permanent magnets 32 are glued to the base plate of the cover 28.
  • the shape of the permanent magnets 32 and the distance between the two permanent magnets 32 to each other is dimensioned such that the two permanent magnets 32 are brought into magnetic retaining engagement with the two mating surfaces 24 of the frame 10 as soon as the cover 28 is positioned accordingly on the frame 10.
  • a distance d between the two edges of the permanent magnets 32 facing away from the respective other permanent magnet 32 is smaller than a distance D of the two mutually directed inner edges of the end face 26 on the broad sides of the frame 10.
  • the thickness of the permanent magnets 32 i. the difference in height between the side of the cover 28, on which the two permanent magnets 32 are arranged, and the side of the permanent magnets 32, which faces away from the base plate of the cover 28 substantially corresponds to the distance of the counter surfaces 24 to the end face 26 Permanent magnets 32 on the one hand with the mating surfaces 24 come into contact and on the other hand, the cover 28 is mounted on the end face 26. Furthermore, such a magnetic inference can be produced.
  • the embodiment of the frame 10 shown in Figure 4 differs from the embodiment of the frame 10 shown in Figures 2A and 2B, in particular by the shape of the frame, namely the frame 1 10 of Figure 4 is substantially round. Therefore, in FIG. 4, analogous parts are provided with the same reference numerals as in FIGS. 2A and 2B, but increased by the number 100.
  • the frame 110 according to FIG. 4 will therefore be described below only insofar as it differs from the embodiment according to FIGS 2A and 2B
  • the frame 1 10 according to Figure 4 comprises a tubular wall 134 which has a substantially annular cross-section. At its one axial end, the wall 134 forms an end face 126, which is substantially perpendicular to the longitudinal extension direction or to a central axis of the tubular wall 134.
  • the frame 1 0 comprises a counter surface 124, which is either integral with the wall 134 or as with the
  • Wandung 134 connectable element may be formed, wherein the Counter surface 124 of the end face 126 preferably circumferentially
  • the counter surface 126 is formed as a separate element and connected to the wall 134 via connecting means 1 16.
  • counter surface 124 may be soldered or welded to wall 134 as described above.
  • the counter surface 124 serves, analogous to the counter surface 24 of the frame 10, as an investment and connection surface for at least one
  • the mating surface 124 further includes retaining members 36 which extend radially inwardly from the mating surface 124.
  • the support members 136 may be bent as needed, e.g. one inside the
  • Wall 34 arranged filter to fix.
  • Retaining element 136 can also be removed. To define a location at which between the holding elements 136 and the counter surface 124 a
  • Bending edge resulting from bending of the holding elements 136, arises, can in each case in the region of the transition between the holding element 136 and
  • Counter surface 124 may be provided a taper 136 a.
  • the frame 1 may comprise 18 holding elements 122 whose function corresponds to that of the holding elements 22 of the frame 10, to the description of which reference is expressly made.
  • the embodiment of the cover element 128 shown in FIG. 5 differs from the exemplary embodiment of the cover element 28 shown in FIG. 3, in particular by its shape. Therefore, in FIG 3, but increasingly by the number 100.
  • the frame 128 according to Figure 5 will therefore be described below only to the extent that it differs from the embodiment of Figure 3, which hereby expressly otherwise the description of the embodiment according to Figure 3 is referenced.
  • the cover member 128 comprises a
  • the diameter of the circular disk-shaped region 138 is substantially a free diameter of
  • annular mating surface (such as 124 according to Figure 4).
  • Adjacent to the circular disk-shaped region 138 are at the
  • Cover 128 128 two permanent magnets 132 arranged.
  • the permanent magnets 132 are shaped such that they can cooperate with the mating surface 124 of the frame 118, the square plate body advantageously coming to rest on the end face 126 of the frame 118.
  • the cover member 128 is rotatable in connected to the frame 1 18 state about an axis of rotation which coincides substantially with the central axis of the frame 1 18.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

L'invention concerne une unité d'obturation (50) conçue pour une conduite de ventilation, par exemple une installation de ventilation de type VMC, comprenant un cadre (10) qui peut être introduit dans la conduite de ventilation et relié à celle-ci de manière à résister aux contraintes de fonctionnement, et qui entoure un passage d'air, ainsi qu'un élément de recouvrement (28) qui comporte au moins une ouverture de passage, cet élément de recouvrement (28) et ledit cadre (10) étant des éléments configurés de manière séparée l'un de l'autre et pouvant être fixés l'un à l'autre. Cette invention est caractérisée en ce que l'unité d'obturation (50) comporte en outre au moins un aimant permanent. Sur un des éléments, élément de recouvrement (28) ou cadre (10), se trouve au moins une surface de fixation pour ledit aimant permanent, qui peut être mise en contact par aimantation avec au moins une surface complémentaire prévue au moins sur l'autre l'élément, cadre (10) ou élément de recouvrement (28), ledit aimant permanent et ladite surface complémentaire étant dimensionnés de sorte que l'élément de recouvrement (28) puisse être déplacé par rapport au cadre (10).
EP16760077.4A 2015-09-02 2016-09-02 Unité d'obturation conçue pour un passage d'air Pending EP3344927A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015216810.7A DE102015216810A1 (de) 2015-09-02 2015-09-02 Abschlusseinheit für einen Luftdurchlass
PCT/EP2016/070745 WO2017037247A1 (fr) 2015-09-02 2016-09-02 Unité d'obturation conçue pour un passage d'air

Publications (1)

Publication Number Publication Date
EP3344927A1 true EP3344927A1 (fr) 2018-07-11

Family

ID=56853639

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16760077.4A Pending EP3344927A1 (fr) 2015-09-02 2016-09-02 Unité d'obturation conçue pour un passage d'air

Country Status (4)

Country Link
EP (1) EP3344927A1 (fr)
CN (1) CN107923648A (fr)
DE (1) DE102015216810A1 (fr)
WO (1) WO2017037247A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI128518B (fi) * 2018-06-19 2020-07-15 Climecon Oy Ilman virtausaukkoon liitettävä päätelaite ja menetelmä päätelaitteen liittämiseksi ilmanvirtausaukkoon
US11864296B2 (en) 2020-11-04 2024-01-02 Midea Group Co., Ltd. Mounting arrangement for over-the-range cooking appliance

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5525145A (en) * 1993-12-17 1996-06-11 Hodge; Joseph Filtering apparatus for a forced air duct grill
US20020069599A1 (en) * 1999-12-29 2002-06-13 Narender Dhallan Vent cover plates
DE102004058775A1 (de) * 2004-12-07 2006-06-14 Erwin Grohmann Luftdurchlasseinrichtung
CA2510905A1 (fr) * 2005-06-23 2006-12-23 Sherry Romanuik Systeme d'accrochage de grilles a persiennes magnetiques
US7575617B2 (en) * 2006-05-16 2009-08-18 Ferguson Gary D Integral filter and grill assembly for a cold air return
US9132373B2 (en) * 2010-03-21 2015-09-15 Angela Loggins Clean screen air filtration system
CN204388240U (zh) * 2014-12-03 2015-06-10 深圳市艾迪健康发展有限公司 一种具有深度过滤功能的净化器

Also Published As

Publication number Publication date
WO2017037247A1 (fr) 2017-03-09
CN107923648A (zh) 2018-04-17
DE102015216810A1 (de) 2017-03-02

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