EP3085846A1 - Overflow element and wall element - Google Patents

Abstract

The invention relates to an overflow element comprising a frame structure through which air can flow with a plurality of profile parts (3, 4) connected to a frame and with at least one absorber element (5, 7) arranged inside the frame construction to form an air channel. The invention further relates to a wall element, for example for a partition wall or for a room-in-room system, with an overflow element.

Description

The invention relates to an overflow element and a wall element, for example for a partition wall or for a room-in-room system, with an overflow element.

For office architecture, the use of partitioning systems is advantageous because of simple installation and / or conversion, for example in dry construction, comprising elementary wall elements and / or wooden stud walls. The dividing walls delimit an office space from a corridor or separate individual office spaces.

A room-in-room system is a system comprising a plurality of wall elements and at least one ceiling element for constructing a closed space. By means of a room-in-room system, a space is created within an interior of a building, which is useful, for example, for confidential meetings or for concentrated work in a large office environment.

Individual rooms are sufficient to ventilate. Due to air conditioning concepts, for reasons of sound insulation or in room-in-room systems, ventilation via windows is generally not sufficient or not possible. It is therefore known to assign the individual rooms air supply shafts, via which an individual supply air is supplied. An air removal takes place by suction or due to a resulting from the air pressure overpressure.

In addition, ventilation concepts are known in which an air passage from room to room, in particular from a hall to an office space, is provided for the air supply and the air discharge due to a pressure difference.

For an exchange of air due to pressure differences so-called overflow elements are known, which are used in wall elements. In office architecture predominantly sound-absorbing or acoustic overflow elements are used in order to avoid or at least reduce noise transmission between the rooms.

Known sound-absorbing or acoustic overflow elements comprising prefabricated, box-shaped housing, which are used in a wall element. In the housing a limited by means of absorber air duct is created. The absorber elements cause a sound absorption. On the wall element an opening for an air supply or an air discharge is to be provided on both sides of the room.

TASK AND SOLUTION

It is the object of the invention to provide an overflow element for a wall element, for example for a partition wall or for a room-in-room system, which allows a sound-damped passage of air, is inexpensive manufacturable and has high flexibility. It is a further object to provide a wall element with a corresponding overflow element.

According to a first aspect, an overflow element comprising a frame structure through which air can flow is provided with a plurality of profile parts connected to a frame and with at least one absorber element arranged in the interior of the frame construction to form an air channel.

The overflow element is flowed through because of a pressure difference between two spaces separated by the wall element, wherein the at least one absorber element prevents or at least reduces a sound transmission via the air flow. The number and arrangement of the absorber elements is suitable depending on the application selected by the person skilled in the art. The at least one absorber element is in one embodiment of melamine resin foam or a similar, highly sound-absorbing material. The choice of material and / or its arrangement takes place taking into account a sound insulation to be achieved as well as a desired volume flow of the air flow and a pressure loss caused by the absorber element.

The profile parts are preferably made of aluminum, for example, continuously cast parts. They are inexpensive to produce by the meter and can be assembled to a suitable length depending on the application. By means of the profile parts a customizable in shape and / or size overflow is inexpensive to produce, with an adaptation of the shape and / or size by selecting the length and / or number of profile parts is possible.

In an advantageous embodiment, at least one profile part is designed as an inflow profile, wherein the profile part designed as an inflow profile on an inner side Luftleitstege for steering a Supply air and / or exhaust air flow into the interior of the frame structure or from the frame construction has. As the inside of a side of the profile part is referred to, which points after connection of the profile parts to the frame structure to an interior of the frame structure. The air guide webs are preferably provided on the two side edges of the associated profile part, so that the Luftleitstege not protrude into the interior of the frame structure and so a space in the interior is not limited. However, other arrangements are conceivable. The Luftleitstege preferably have a slope, which serves to direct the flow. The air guide webs are designed such that a pressure drop is minimized when flowing into the frame construction or when flowing out of the frame construction.

In an advantageous development, the profile part designed as an inflow profile is additionally designed as a connecting element and has a connecting web for attachment to a wall element. The attachment takes place in particular on a column, a beam, a frame member and / or a spacer of the wall element. In other embodiments, an attachment by means of a first profile part, wherein a further profile part serves as an inflow.

In an advantageous embodiment, the frame construction has several, preferably three U-shaped frame profile parts. The U-shape is advantageous to provide walls for an air duct and / or to support the absorber element in the frame construction.

In an advantageous development, the U-shaped frame profile parts each have two parallel flanges, wherein a hook element is provided at a distal end of at least one flange. In one embodiment, the hook element serves as a retaining element for an absorber element arranged in the interior of the frame construction.

The frame profile parts are connected to one another by a miter design. In advantageous embodiments, it is provided that the frame profile parts are connected to each other by means of corner-angle connector, wherein the frame profile parts each have at least one guide channel and a screw channel for the corner-angle connector. The frame profile parts are preferably all identical and designed symmetrically, so that a cost-effective production of the frame profile parts is possible.

In one embodiment, a plate is arranged in an interior of the frame construction, wherein at least one profile part has a slot-shaped receptacle for the plate. The plate is preferably made of a sound-reflecting, a limitation for an air flow forming material, in particular of a steel sheet, so that the plate serves as a boundary of the air duct in the frame structure for guiding an air flow. The plate additionally serves in one embodiment as a carrier element for an absorber element. In advantageous embodiments, the plate is arranged centrally in a direction transverse to a wall element receiving the overflow element in the frame construction.

In an advantageous embodiment, a sealing element is arranged on an outer side of the frame construction, wherein preferably at least one profile part has a receiving channel for the sealing element. The sealing element serves for a structure-borne sound insulation between the frame construction and a wall element receiving the frame construction. In addition, the sealing element also serves as a limiting element for a supply air or exhaust air flowing through the frame construction, so that it is guided through the air duct.

The frame construction is open in one embodiment on the sides. A limitation for the air flow takes place in this embodiment by means of the overflow element receiving wall element, in particular by means of a planking of the wall element. In an alternative embodiment, a side wall is arranged on at least one side of the frame construction. The overflow is in this embodiment similar to conventional overflow as a prefabricated, completed unit formable. A seal to prevent air leaks against the wall element is less critical in such an embodiment. However, depending on the design of the wall element sealing elements are also provided on an outer side, so as to reduce a structure-borne sound transmission between the wall element and the overflow or avoid.

According to a second aspect, a double-walled wall element comprising at least two parallel arranged panels and at least one arranged between the panels, vertical or horizontal strut, created, wherein at least one strut, an overflow element comprising a through-air-flow frame construction with a plurality of connected to a frame Profile parts and with at least one arranged in the interior of the frame construction to form an air channel absorber element is attached. The panels are designed depending on the applications, for example, as glass plates, wood-based panels, metal plates, plasterboard and / or plastic plates. At least one absorber element is preferably provided between the reverberant panels, wherein the absorber element has a recess for the overflow element. For efficient sound decoupling of the spaces separated by the wall element Preferably, an absorber element, for example a mineral wool insulating element, is provided between the panels, with additional gypsum elements being arranged between the absorber element and the panels. The overflow element is preferably designed such that no acoustic bridge is created by the supply air. The strut is arranged vertically or horizontally as required. The strut is designed, for example, as a wooden beam, to which a profile part of the overflow element is screwed. Preferably, the wall element is designed as a lightweight wall element, wherein the struts are designed as profile elements and yes depending on the length of the wall member selected number of vertically arranged profile elements is provided, and two panels are mounted between two profile elements on both sides of the profile elements. The profile elements are designed in advantageous embodiments as aluminum profiles.

In advantageous embodiments, the profile element is designed as a vertically arranged stand or spacer with a double-T-shaped cross-section comprising a central web and two parallel flanges, wherein a profile part of the overflow element is designed as a connection element and has a connecting web, which is connected to the central web is. The connecting web is adapted in position, shape and / or length to a cross section of the spacer, so that a region of the connecting web lies flat against the central web for mounting the overflow element.

In advantageous embodiments, the profiled part of the overflow element designed as a connection element additionally has two mounting legs which can be laid on the flanges of the spacer. The mounting legs allow easy alignment of the overflow element to the spacer.

In advantageous embodiments, the panels rest against the flanges of the spacer, wherein the panels each have a recess in the region of the overflow element for forming a supply air and / or exhaust air channel. The design of the recess is suitably possible depending on the requirements of the skilled person under aesthetic and / or aerodynamic reasons.

The profiled part designed as a connecting element is preferably additionally designed as an inflow profile, the profiled part having on an inner side air guide webs for guiding an incoming air and / or exhaust air flow into the interior of the frame construction or out of the frame construction. In particular, the air guide webs have bevels along which an air flow due to a pressure difference between two spaces in the Interior of the frame construction and from there into the lying on the other side of the wall element space is performed.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1:

eine Seitenansicht eines Wandelements mit einem Überströmelement;

Fig. 2:

eine Schnittdarstellung des Wandelements entlang einer Schnittebene II-II gemäß Fig. 1;

Fig. 3:

ein Detail III gemäß Fig. 2;

Fig. 4:

eine Schnittdarstellung des Wandelements entlang einer Schnittebene IV-IV gemäß Fig. 1;

Fig. 5:

ein Detail V gemäß Fig. 4;

Fig. 6:

ein als U-förmiges Rahmen-Profilteil gestaltetes Profilteil des Überströmelements;

Fig. 7:

ein als Anschlusselement und Einströmprofil gestaltetes Profilteil des Überströmelements; und

Fig. 8:

einen Ausschnitte einer Schnittdarstellung eines Wandelements mit einem Überströmelement ähnlich Fig. 5.

Other advantages and aspects of the invention will become apparent from the claims and from the following description of preferred embodiments of the invention, which are explained below with reference to the figures. Here are shown schematically:

Fig. 1:

a side view of a wall element with an overflow element;

Fig. 2:

a sectional view of the wall element along a sectional plane II-II according to Fig. 1 ;

3:

a detail III according to Fig. 2 ;

4:

a sectional view of the wall element along a sectional plane IV-IV according to Fig. 1 ;

Fig. 5:

a detail V according to Fig. 4 ;

Fig. 6:

a designed as a U-shaped frame profile part profile part of the overflow element;

Fig. 7:

a designed as a connection element and inflow profile part of the overflow element; and

Fig. 8:

a section of a sectional view of a wall element with an overflow similar Fig. 5 ,

DETAILED DESCRIPTION OF THE EMBODIMENTS

Fig. 1, 2 and 4 show in a front view and two sectional views in each case a doppelbeplanktes wall element 1 comprising a plurality of panels 10, wherein two panels 10 are arranged parallel to each other. The FIGS. 3 and 5 show details III and V of the FIGS. 2 and 4 ,

The panels 10 are mounted on a framework comprising a plurality of vertical and horizontal, designed as profile elements struts. How best in Fig. 2 can be seen, the profile elements in the illustrated embodiment comprise vertically oriented stand or spacer 11, to which the panels 10 are applied on both sides. The spacer 11 has a double T-shaped cross section with a central web 110 and two parallel flanges 111. The panels 10 abut against the flanges 111.

The panels 10 are designed depending on the applications, for example, as glass plates, wood-based panels, metal plates, plasterboard and / or plastic plates. For acoustic decoupling of the spaces separated by the wall element 1, an absorber element 12, for example a mineral wool insulating element, as well as plaster elements 13 and / or sealing strips are provided between the panels 10.

For an exchange of air between the spaces separated by means of the wall element 1, a through-flow element 2 which can be flowed through due to a pressure difference is provided. The overflow element 2 is attached to a spacer 11. The overflow element 2 comprises a frame construction with a plurality of, in the illustrated embodiment, four profile parts 3, 4, which are connected to form a rectangular frame construction.

For a particularly cost-effective design three profile parts 3 are designed to be identical in the illustrated embodiment. These three profiles are U-shaped connected to each other and form in the illustrated use an upper frame member, a lower frame member (s. Fig. 4, 5 ) and a lateral frame element connecting them (see FIG. Fig. 2, 3rd ). A cross section of these profile parts 3 is in Fig. 6 shown. The first profile parts 3 have a U-shaped cross-section and are therefore also referred to in connection with the application as U-shaped frame profile parts. The profile parts 3 are connected to each other via corner angle connector, not shown. For receiving the corner angle connector and the connection, the profile parts 3 each have two guide channels 32 and two screw channels 33.

The open frame structure formed by the three U-shaped frame profile parts 3 is replaced by a second vertically arranged profile part 4 (s. Fig. 2, 3rd ) closed. A cross section of this second profile part 4 is in Fig. 7 shown.

The second profile part 4 is designed as inflow profile. How best in Fig. 7 can be seen, designed as inflow profile second profile part 4 for this purpose on an inside of the frame construction facing inside a base 40 Luftleitstege 41 for steering a schematic in Fig. 3 by an arrow shown Zuluft- and / or exhaust air flow L in the interior of the frame structure or from the frame construction.

The second profile part 4 also serves as a connection element to the spacer 11. The profile part 4 has for this purpose on an outer side a parallel spaced from the base 40 arranged connecting web 42. The connecting web 42 can be applied to the central web 110 of the spacer 11 and with this - as in Fig. 3 recognizable - screwed. A distance of the connecting web 42 from the base 40 is adapted to a length of the flanges 111 of the spacer 11. For a secure and centered fastening, the profile part 4 also has two parallel mounting legs 43 protruding from the base 40 on the outside thereof, which can be placed against the flanges 111.

The overflow element 2 is designed such that no or at least no relevant sound bridge is created by the exchange of air between the spaces separated by the wall element 1. In the interior of the frame construction, a first absorber element 5 is therefore arranged to form an air channel. The first absorber element 5 is arranged parallel to the panels 10 such that, as in FIG FIGS. 2 and 3 can be seen, an air duct is formed, which has a U-shaped in plan view cross-section. The absorber element 5 is fixed by means of a building acoustically effective plate 6 inside the frame construction. The plate 6 is mounted on the second profile part 4 and the two horizontally arranged first profile parts 3. For this purpose, the profile parts 3, 4 each have a slot-shaped receptacle 34, 44 (s. 6 and 7 ), in which the plate 6 as in the FIGS. 3 and 5 is recognizable, is plugged. For improved sound absorption in the illustrated embodiment, further absorber elements 7 are provided on the vertical first profile part 3. A support of these absorber elements 7 takes place by means of pointing into the interior of the frame construction parallel flanges 30 (s. Fig. 6 ) of the U-shaped frame profile parts 3. At the distal ends of the flanges 30 hook elements 31 are provided for this purpose. The absorber elements 5, 7 are for example made of melamine resin foam. Such absorber elements 5, 7 are highly sound-absorbing.

The in the Fig. 2 to 5 shown frame construction of the overflow element 2 is open, wherein the panels 10 of the wall element are used as boundary surfaces. As in Fig. 1 and 3 recognizable, the panels 10 adjacent to the spacer 11, on which the overflow element 2 is arranged, recesses 100, via which a supply air and / or exhaust air flow L flows into the interior of the frame structure or out of the frame construction. The supply air and / or exhaust air flow L is guided by the frame construction along the absorber elements 5, 7. To make an air flow To prevent the overflow 2 in adjacent areas of the wall element 1, sealing elements 8 are arranged on an outer side of the frame construction. For safe placement of the sealing elements 8 have in the illustrated embodiment, the first profile parts 3 as in Fig. 6 can be seen, receiving channels 35 for the sealing element 8, in which the sealing elements 8 are used. In other embodiments, sealing elements are glued by means of an adhesive layer on an outer side of the profile parts 3.

Fig. 8 shows an alternative embodiment of a recorded in a wall element 1 overflow element 2 in a sectional view similar Fig. 5 , The overflow 2 according to Fig. 8 corresponds essentially to the overflow 2 according to the Fig. 2 to 5 and for a detailed description, reference is made to the comments on these figures. In contrast to the overflow 2 according to the Fig. 2 to 5 has the overflow 2 according to Fig. 8 two side walls 9 which are attached to an outer side of the frame construction. By means of the side walls 9, the frame construction - with the exception of inlet and outlet slots in the region of the profile part designed as an inflow profile - is closed. The side walls 9 are made of a suitable material, for example made of sheet steel. For a structure-borne noise decoupling of the overflow element 2 and the wall element 1, a sealing element 8 is preferably also provided on an outer side.

Claims (14)

Overflow element comprising a frame structure through which air can flow, with a plurality of profile parts (3, 4) connected to a frame, and with at least one absorber element (5, 7) arranged in the interior of the frame construction to form an air channel. Overflow element according to claim 1, characterized in that at least one profile part (4) is designed as inflow profile, wherein the inflow profile designed as profile part (4) on an inner side Luftleitstege (41) for guiding a Zuluft- and / or exhaust air flow into the interior of the frame structure or from the frame construction. Overflow element according to claim 2, characterized in that the inflow profile designed as profile part (4) is designed as a connection element and has a connecting web for attachment to a wall element (1). Overflow element according to claim 1, 2 or 3, characterized in that the frame construction has a plurality, preferably three U-shaped frame profile parts (3). Overflow element according to claim 4, characterized in that the U-shaped frame profile parts (3) each have two parallel flanges (30), wherein at a distal end of at least one flange (30), a hook element (31) is provided. Overflow element according to claim 4 or 5, characterized in that the frame profile parts are connected to each other by means of corner angle connector, wherein the frame profile parts each have at least one guide channel (32) and a screw channel (33) for the corner bracket connector. Overflow element according to one of claims 1 to 6, characterized in that inside the frame construction, a plate (6) is arranged, wherein at least one profile part (3, 4) has a slot-shaped receptacle (34, 44) for the plate. Overflow element according to one of claims 1 to 7, characterized in that on a outer side of the frame construction, a sealing element (8) is arranged, wherein preferably at least one profile part (3) has a receiving channel (35) for the sealing element (8). Overflow element according to one of claims 1 to 8, characterized in that on at least one side of the frame construction, a side wall (9) is arranged. Double-walled wall element comprising at least two parallel arranged panels (10) and at least one between the panels (10) arranged vertical or horizontal strut,
characterized in that
on the at least one strut an overflow element (2) is attached according to one of claims 1 to 9. Wall element according to claim 10, characterized in that the strut is designed as a vertically arranged spacer (11) with a double-T-shaped cross-section comprising a central web (110) and two parallel flanges (111), wherein a profile part (4) of the Overflow element is designed as a connection element and has a connecting web (42) which is connected to the central web (110). Wall element according to Claim 11, characterized in that the profile part (4) of the overflow element (2) designed as a connection element has two mounting legs (43) which can be applied to the flanges (111). Wall element according to claim 11 or 12, characterized in that the panels (10) in each case abut the flanges (111) of the spacer (11) and in the region of the overflow element (2) each have a recess (100) for forming a Zuluft- and / or exhaust ducts have. Wall element according to claim 11, 12 or 13, characterized in that designed as a connection element profile part (4) is designed as inflow, wherein the profile part on an inner side air guide webs (41) for guiding a Zuluft- and / or exhaust air flow into the interior of the frame structure or from the frame construction.

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