EP0805315A2 - Profilé de cadre pour ventilateur, en particulier pour un dispositif d'élimination des fumées et des gaz d'échappement chauds - Google Patents

Profilé de cadre pour ventilateur, en particulier pour un dispositif d'élimination des fumées et des gaz d'échappement chauds Download PDF

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Publication number
EP0805315A2
EP0805315A2 EP97106072A EP97106072A EP0805315A2 EP 0805315 A2 EP0805315 A2 EP 0805315A2 EP 97106072 A EP97106072 A EP 97106072A EP 97106072 A EP97106072 A EP 97106072A EP 0805315 A2 EP0805315 A2 EP 0805315A2
Authority
EP
European Patent Office
Prior art keywords
section
profile
fan frame
profile part
frame profile
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.)
Granted
Application number
EP97106072A
Other languages
German (de)
English (en)
Other versions
EP0805315A3 (fr
EP0805315B1 (fr
Inventor
Andreas Grasl
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0805315A2 publication Critical patent/EP0805315A2/fr
Publication of EP0805315A3 publication Critical patent/EP0805315A3/fr
Application granted granted Critical
Publication of EP0805315B1 publication Critical patent/EP0805315B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1406—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by sealing means

Definitions

  • the invention relates to a fan frame profile in particular for a smoke and heat exhaust system (SHEV system according to the preamble of claim 1).
  • Such fan frame profiles which can be pivoted on a top frame, were originally used as components of ventilation flaps, but then also preferably as components of smoke flaps in smoke and heat extraction systems (abbreviated: SHEV systems), which are opened automatically or remotely in the event of a fire , so that smoke can escape, which would otherwise make rescue difficult or impossible, and thus create a central access for the rescue (brochure JET RWA-SYSTEME from JET Kunststofftechnik Ulrich Kreft GmbH 32609 Hüllhorst-Tengern, status: July 1993). Opening should also prevent the build-up of heat build-up.
  • the drive means used to move the smoke flaps in particular compressed air cylinders, must meet high safety requirements, but should also make do with the lowest possible drive power.
  • the rigidity of the first profile results in particular from the outer first section of a box-shaped cross-section, to which a second section of approximately C-shaped cross-section is integrally formed for connection to a conventional upper crossmember.
  • the lightweight but resistant to deformation construction is supported by the choice of materials, according to which the first profile part is made of extruded aluminum. Manufacturing by extrusion is also inexpensive.
  • an outer wall of the outer section of the first profile part is extended downward beyond the box-shaped cross section in such a way that at least one section of a profile hinge can be attached to the extension.
  • the box-shaped cross section of the first section is particularly advantageously shaped as an oblique parallelepiped, which is inclined from bottom to top away from the outer wall towards an inner wall.
  • This design has the advantage, among other things, that in the area of the box-shaped cross-section mass forces of the flap, which is produced using the fan frame profile, are not only well derived in the closed position of the flap, but also in the open position or in intermediate positions between the open and closed position.
  • the derivation here means the transfer of the inertial forces from the fan frame profile to the profile hinge with as little torque as possible.
  • a top and a bottom of the first section box-shaped cross section formed as grooves which are suitable for receiving flat corner connection angles.
  • a groove is expediently formed on a lower leg of the inner, approximately C-shaped second section in cross section in the region of the inner radius, which groove is suitable for receiving a sealing tape .
  • an upper leg of the inner second section has an approximately C-shaped cross section along its upper inner edge a thickening.
  • This thickening represents a reinforcement of the inner edge and, with lighter shaped elements of the first profile part, enables a secure connection to a second profile part, as described further below.
  • the upper outer edge region of the first section, which is remote from the inner edge, of the box-shaped cross section of the first profile part is furthermore inclined upwards and outwards from below.
  • the second profile part can then be clipped onto the upper side of the first profile part, spanning its outer edge area via the thickening of the inner edge.
  • the fan frame profile particularly advantageously comprises the second consisting of heat-insulating material Profile part, which is shaped approximately in cross-section as a right angle and is attached to the first profile part such that the second profile part essentially surrounds the first profile part on its top and on its inside.
  • the second profile part is suitable for preventing a cold bridge between the flap made from the fan frame profile and the top frame.
  • the second profile part is angled downwards and upwards at its upper outer edge and at its lower outer edge, which lies further inside than the upper outer edge, such that the second profile part is on the first profile part in the groove on the lower leg of the inner, approximately C-shaped second section in cross section in the area of its inner edge on the one hand and on the upper outer edge area of the first section on the other hand.
  • the resulting clamping force thus lies diagonally between the upper outer edge of the second profile part and its lower outer edge, which lies further inside than the upper outer edge.
  • the upper side of the second profile part advantageously has a web shaped downwards, which comes to rest against the thickening along the upper inner edge of the second section of the first profile part, as described above.
  • the second profile part has, according to claim 11, on its inside a cutout for receiving an upper cross member so that it can be inserted through the second profile part into the first profile part, where the forces of the upper cross member can be safely absorbed.
  • the second profile part according to claim 12 can be injection molded from PVC, which is inexpensive to manufacture and has good thermal insulation properties.
  • a downwardly projecting sealing strip is expediently formed from the lower outer edge of the second profile part.
  • the second profile part therefore has an additional function and a separate sealing strip can be omitted.
  • a leg lying on the inside of the second profile part, which forms a right angle in cross section, is reinforced in a box-like manner. This has a stiffening effect on the entire fan frame.
  • the profile hinge which can form a unit in connection with the first profile part, in particular can be welded to it and is also made of aluminum for this purpose, is particularly advantageously shaped according to claim 15. This not only enables a connection to the extension of the outer wall of the first profile part, but also a large-area connection on the underside of the first profile part.
  • the hinge band is thus not only arranged inconspicuously, but also largely protected against environmental influences, especially rain and splash water.
  • the requirement is met that protruding domes, especially light domes, must not lead to the spread of a fire on the roof. Accordingly, the fan frame profile is designed as a border frame for the dome according to the characterizing part of claim 17.
  • the clamping profile provided here which serves for clamping the panes of the hood in connection with the modified first profile part and on which the panes rest, and in particular through the outer, approximately hood-shaped section of this clamping profile ensures that in the event of a fire no liquid plastic material can drip from the fan frame profile onto the roof.
  • the modified first profile part is especially designed to receive the continuous fastening means, namely screws, which serve to produce the clamp connection between the modified first profile part and the clamping profile, including the horizontal section of the dome.
  • the modified first profile part has a horizontally circumferential nose with depressions in the upper region of its outer wall, which is suitable for receiving a sealing projection protruding from the inside of the hood-shaped section of the clamping profile, an exact attachment of the clamping profile is ensured.
  • the clamping profile has an internal reinforced edge which runs in a wedge shape and has an undercut on the outside, the secure reception of a correspondingly shaped edge of a disc of the hood is achieved.
  • the clamping effect is optimized, since the reinforced edge, which holds the pane (s), can hardly deform, in contrast to an adjoining, more elastic horizontal section of the clamping profile.
  • a secure clamping effect with defined forces is achieved according to claim 20 in that the modified by Fastening means passing through the first profile part are screws which are each screwed into a screw profile which is closed at the top in the clamping profile.
  • a modified second profile part has an essentially only vertically extending shape in such a way that it can be plugged into the modified first profile on the inside.
  • this modified second profile part which, in contrast to the modified first profile part and the clamping profile, is preferably made of plastic, the rigidity of the modified first profile part is increased.
  • the modified second profile part according to claim 22 is formed on its lower outer edge as a latching tab which can be clamped onto the modified first profile part and has a groove on its upper outer edge which is suitable to receive a downwardly projecting reinforcement in the second section of approximately C-shaped cross section of the modified first profile part.
  • the modified second profile part is designed with sealing elements in accordance with claim 23 such that the modified second profile part has a sealing lip on its upper inner edge, which is suitable for reaching the dome in sealing contact at the bottom, and that the modified second profile part has a resilient sealing strip on a lower outer edge.
  • the profile hinge 5 comprises, in addition to the free leg 4 mentioned, which is angled in relation to a section located in the vicinity of the hinge axis not designated, a second free leg 6 which is angled such that it is in the closed position of the profile hinge - see FIG. 1 and 6 - runs parallel to the first free leg 4.
  • the second free leg 6 of the profile hinge 5 is fastened to a fan frame profile, generally designated 7, which consists of extruded aluminum.
  • the fan frame profile 7 can be thought of as being composed of an outer first section 8 of a box-shaped cross section and an inner second section 9 of approximately U-shaped cross section, the first section 8 and the second section 9 having an inner wall 10 in common.
  • the outer first section 9 is shaped essentially as a slanted parallelepiped, which is viewed from below from one Outer wall 11 is inclined upwards to the inner wall 10, the outer wall 11 and the inner wall 10 running parallel to one another.
  • the outer first section 8 of box-shaped cross section is inclined upwards and outwards from below. This inclination of the outer edge region 12 serves, as will be discussed below, in cooperation with further shaped elements of the first profile part, which is generally designated 13, for connection to a second profile part, generally designated 14, which is injection molded from PVC, see FIG. 6 .
  • the sides forming an upper side 16 and an underside 17 of the parallelepiped of the outer first section 8 are designed as grooves 18, 19, in such a way that flat corner connection angles 20, 21 are inserted into these grooves 18, 19 at the top and bottom and with the outer first Section 8 can be riveted, see Fig. 4.
  • rivets are provided with the reference numerals 22 and 23.
  • the corner connection angles 20, 21 serve to connect two miter-cut first profile parts 13, 13 ′ as a corner connection. Since the corner connection brackets 20 and 21 are attached at the top and bottom of the first profile parts 13, 13 ', a rigid, torsionally rigid assembly is achieved.
  • a downwardly open groove 26 is formed on a lower leg 24 of the inner, approximately C-shaped second section 9 in the region of its inner edge 25.
  • a sealing tape 27 can be inserted into this groove 26 be, which can come with a not designated lip to rest on the support surface 3 of the curb 2 when a fan flap is closed, which includes the floating profile parts.
  • a web 28 directed downward is formed from the first profile part 13, which can be supported directly on the support surface 3 when the fan flap is closed and can thus keep contact forces away from the profile hinge 5.
  • An upper leg 29 of the inner second section 9 has along its upper inner edge 30 an upwardly projecting thickening 31 which forms a further shaped element for clipping or snapping on the second profile part 14, see FIG. 6, in which the latter is downward pointing web 32 which comes to rest on the thickening 31.
  • the second profile part 14 is formed in cross section as an approximately right angle, a leg 33 lying on the inside of the second profile part 14 being reinforced in a box-like manner, see FIG. 7, in which this profile part 14 is shown separately.
  • the second profile part 14 is plugged onto the first profile part 13 in such a way that the first profile part 13 is essentially enclosed on its top and inside.
  • An upper side 34 of the second profile part 14 lies above the first section 8 and the second section 9 of the first profile part 13.
  • the upper side of the second profile part 14 is angled downward, as can be seen in FIGS. 6 and 7, so that an angled section 35 slides over the outer wall region 12 of the first profile part 13 during assembly and then a snap connection or clamp connection can form.
  • the second profile part is 14 on its lower outer edge 36, which lies further inside than an upper outer edge 37, angled upwards. From the lower outer edge 36, as shown in FIGS. 6 and 7, a downwardly projecting sealing strip 38 is also formed, which bears sealingly on the upper side 3 of the curb 2 when the fan flap is closed.
  • An upper cross-member 39 belonging to the fan frame can be inserted and mounted directly into the open cross-section of the inside of the second section 9 of C-shaped cross-section which is adapted to its dimensions.
  • the upper cross member 39 is designed as a square tube or high profile. There is therefore a direct non-positive connection between the upper cross member 39 and the first profile part 13.
  • the upper cross member 39 can be connected in the same way to the first profile part 13 if the first profile part 13 is supplemented with a second profile part 14 made of heat-conducting material, namely PVC, the second profile part 14 has a cutout 40 at the relevant point, see also FIGS. 6 and 8.
  • the modified first profile part made of extruded aluminum is designated 41, which in turn rests on an attachment frame 1 as in the first embodiment.
  • the modified first profile part 41 forms, together with a clamping profile 48 and a second modified profile part 60, a border frame of a dome, in particular a light dome 50, of which two panes indicated in sections are denoted by 68, 69.
  • the discs 68 and 69 are sandwiched between the clamping profile 48 and an upper side 47 of the modified first profile part 41, see also FIG.
  • the modified first profile part shows the following special features:
  • a first box-shaped section 42 of the first profile part 41 is not cuboid in cross-section, as in the embodiment according to FIGS. 1 and 2, but trapezoidal in that it has an inclined outer wall 52 corresponding to the inclined outer wall 11 of the first embodiment, but which has a vertical one Wall 43 faces inside.
  • the profile is closed at the bottom by a horizontal wall section 44, which merges inward into a lower leg 44 ′, and by part of an upper side 47.
  • the vertical wall 43 is particularly well suited to absorbing compressive forces which are exerted by screws 58 on the first box-shaped section 42 of the modified first profile part 41, the screws through first through holes 45 in the horizontal wall section 44 and second through holes 46 on the upper side 47 reach through and are screwed into a screw profile 59 in the clamping profile 48.
  • the modified first profile part 41 has a horizontally circumferential nose 53 in the upper region of its outer wall 52.
  • a recess 54 in the nose 53 receives a sealing projection 55 which protrudes from a hood-shaped section 49 of the clamping profile 48.
  • the reinforced edge 56 of the clamping profile 48 which runs in a wedge shape on the inside, has an undercut 57 on the outside.
  • a shoe-shaped edge of the upper disk 68 can be fixed in the shape of the reinforced edge thus created.
  • the modified second profile part 60 does not have, like the second profile part of the first embodiment, a horizontal section which protrudes appreciably over a box-shaped vertical leg, compare the first embodiment according to FIG. 7, in which the leg is designated 33, with the modified embodiment according to 12. Instead, the modified second profile part 60 has a groove 65 on its upper outer edge 64, into which the reinforcement 66 projecting downward engages in the second section of the modified first profile part 41, see FIGS. 9 and 12.
  • the modified second profile part 60 is formed, like the second profile part of the first embodiment, on its lower outer edge 61 with a lower outer edge 61 shaped as a latching tab strip.
  • the locking tab strip is thus suitable in a not designated Engage groove that corresponds to the groove 26 in the embodiment of FIG. 2.
  • the lower outer edge 61 of the modified second profile part 60 which is shaped as a latching tab strip, is particularly flexible since the lower horizontal wall, which is not shown in FIG. 12, extends to an also not shown inner wall of the box-shaped profile.
  • a resilient sealing strip 67 protrudes downward from this flexible lower outer edge, which is suitable for fitting against the widened upstand of the upstand 1, see FIG. 9.
  • the fan frame profile rests together with the clamped disks 68, 69 of the hood 50 a web 72, which protrudes below from the modified first profile part 41, on the widened upstand of the upstand 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Building Environments (AREA)
  • Body Structure For Vehicles (AREA)
  • Air-Flow Control Members (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Projection Apparatus (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Sorption Type Refrigeration Machines (AREA)
EP97106072A 1996-05-02 1997-04-14 Profilé de cadre pour ventilateur, en particulier pour un dispositif d'élimination des fumées et des gaz d'échappement chauds Expired - Lifetime EP0805315B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19617574A DE19617574C1 (de) 1996-05-02 1996-05-02 Lüfterrahmenprofil, insbesondere für eine Rauch- und Wärmeabzugsanlage
DE19617574 1996-05-02

Publications (3)

Publication Number Publication Date
EP0805315A2 true EP0805315A2 (fr) 1997-11-05
EP0805315A3 EP0805315A3 (fr) 2001-04-25
EP0805315B1 EP0805315B1 (fr) 2004-07-28

Family

ID=7793093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97106072A Expired - Lifetime EP0805315B1 (fr) 1996-05-02 1997-04-14 Profilé de cadre pour ventilateur, en particulier pour un dispositif d'élimination des fumées et des gaz d'échappement chauds

Country Status (8)

Country Link
EP (1) EP0805315B1 (fr)
AT (1) ATE272195T1 (fr)
CZ (1) CZ292501B6 (fr)
DE (2) DE19617574C1 (fr)
DK (1) DK0805315T3 (fr)
ES (1) ES2221001T3 (fr)
HU (1) HU219554B (fr)
PL (1) PL184179B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028532A (zh) * 2018-08-07 2018-12-18 宁波鑫隆净化设备有限公司 高效外装配隔冷热空调风机箱体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439962A (en) * 1978-07-10 1984-04-03 Wasco Products, Inc. Skylight construction
DE3338092C3 (de) * 1983-10-20 1994-08-04 Eberspaecher J Vorrichtung zum rauch- und waermeabzug sowie zum be- und entlueften von geschlossenen raeumen
US4928445A (en) * 1988-12-13 1990-05-29 Wasco Products, Inc. Skylight construction
DE4016528C2 (de) * 1990-05-22 1999-07-15 Eternit Ag Belichtungs- und Belüftungselement mit einem Hohlprofil-Aufstellrahmen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028532A (zh) * 2018-08-07 2018-12-18 宁波鑫隆净化设备有限公司 高效外装配隔冷热空调风机箱体
CN109028532B (zh) * 2018-08-07 2023-12-15 宁波鑫隆净化设备有限公司 高效外装配隔冷热空调风机箱体

Also Published As

Publication number Publication date
CZ133497A3 (en) 1997-11-12
EP0805315A3 (fr) 2001-04-25
DE59711799D1 (de) 2004-09-02
ATE272195T1 (de) 2004-08-15
PL184179B1 (pl) 2002-09-30
DE19617574C1 (de) 1997-11-27
PL319740A1 (en) 1997-11-10
CZ292501B6 (cs) 2003-10-15
DK0805315T3 (da) 2004-09-06
HU219554B (hu) 2001-05-28
ES2221001T3 (es) 2004-12-16
HUP9700835A1 (en) 1997-11-28
HU9700835D0 (en) 1997-06-30
EP0805315B1 (fr) 2004-07-28

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