Wall housing for a manual call point and alarm device, consisting of wall housing and manual call point

Abstract

Wall housing (2) for a manual call point, in particular a manual fire call point, which has its own call point housing (33) and can be installed in a moisture-protected interior of the wall housing (2), with a base (3) which forms the back of the wall housing (2) and can be attached to a wall, with a front panel (4) attached to the front of the wall housing (2) on the base (3), which is designed like a frame around a recess, and with a surface element held in its edge areas on the front plate (4), which covers the recess, wherein the base (3) and the front panel (4) and the surface element are arranged together around the interior space protected from moisture, wherein the surface element is a membrane (5) which can be manually pressed into the interior and pressed against the manual call point (15) to actuate the manual call point (15) when the manual call point (15) is installed in the interior of the wall housing (2), wherein the substructure (3) has internal spacers and wherein the wall housing (2) has a mounting plate (24) mounted on the inner spacers and thereby fastened to the substructure (3) and arranged in the interior of the wall housing (2), to which mounting plate, for installing the manual call point (15) in the interior of the wall housing (2), the manual call point (15) can be mounted by means of screw connections, for which either the mounting plate (24) has holes or holes can be made in the mounting plate (24).

Description

[0001] The invention relates to a wall-mounted housing for a manual call point, in particular a manual fire call point, which can be installed in a moisture-protected interior of the wall-mounted housing. The invention further relates to a signaling device comprising the wall-mounted housing and a manual call point installed in the interior of the wall-mounted housing.

[0002] Common manual call points have a button that can be pressed manually, for example, to trigger an alarm. If the call point is a manual fire call point, a fire alarm is triggered when the button is pressed manually.

[0003] It is known to install such manual call points in a wall-mounted housing. The wall-mounted housing is attached to a wall, for example, and protects the manual call point from accidental activation of the button and from external environmental influences. Particularly stringent requirements regarding the protection of the interior of the wall-mounted housing from moisture must be met if the wall-mounted housing with the manual call point is installed in rooms that must be kept hygienically clean, such as food processing plants or stables, where cleaning is often carried out using high-pressure cleaners, i.e., water that can act on the wall-mounted housing at high pressure.

[0004] A wall-mounted enclosure is known from the German utility model DE 20 2018 004 293 U1. This wall-mounted enclosure has a substructure that forms the rear of the wall-mounted enclosure. A front panel in the form of a pivoting door is attached to the substructure at the front of the wall-mounted enclosure. The front panel is designed as a frame around a recess. A surface element in the form of a glass pane is held to the front panel. A manual call point in the form of a button is installed behind the glass pane, protected from moisture, inside the wall-mounted enclosure. To activate the button, the glass pane must first be broken. This is not very convenient. The glass pane can also accidentally burst during cleaning work with high water pressure and trigger a false alarm. In both cases, glass splinters can also enter the production process. If the glass pane is broken, part of the production may therefore have to be destroyed.

[0005] DE 1 694 861 U discloses a waterproof surface-mounted switch comprising a switch housing, an elastic cover, and an actuating element arranged within the switch housing behind the elastic cover and operable through the elastic cover. The actuating element can be a push button mounted on a base.

[0006] US 2015 / 0339913 A1 discloses an alarm device with a transparent cover and an actuating element arranged behind the transparent cover. US 4,298,778 A discloses a switch with a silicone membrane through which the switch can be actuated.

[0007] DE 24 12 949 A1 discloses a switch or push button with a base, with a switching element fastened to the base, with a support plate fastened to column-like projections of the base and with a small-area actuating element for actuating the switching element, which is tiltably fastened to bearing angles on the support plate.

[0008] WO 2010 / 138980 A2 discloses an electrical installation unit for surface mounting with a base plate and with a module for wireless data transmission directly connected to the base plate.

[0009] DE 83 05 870 U1 discloses a surface-mounted box for electrical installation devices with a housing having fastening eyes and sleeves for sealing screw holes.

[0010] DE 103 36 429 A1 discloses a splash-proof, surface-mounted electrical installation device comprising a housing box and a housing cover, the inner walls of which are sealed against each other. US 2019 / 0287743 A1 discloses a control unit with a keypad.

[0011] The invention is based on the object of providing a wall housing for a manual call point which enables convenient operation and largely trouble-free operation of the manual call point.

[0012] The invention solves this problem with a wall housing for a manual call point according to claim 1 and with a signaling device according to claim 13. Preferred embodiments of the invention are described in the subclaims.

[0013] A wall housing according to the invention for a manual call point, in particular a manual fire call point, which has its own detector housing and can be installed in a moisture-protected interior of the wall housing, has a substructure that forms the rear of the wall housing and can be attached to a wall, has a front panel attached to the substructure at the front of the wall housing, which is designed like a frame around a recess, and has a surface element held in its edge regions on the front panel, which covers the recess, wherein the substructure, the front panel, and the surface element are arranged together around the moisture-protected interior, wherein the surface element is a membrane that can be manually pressed into the interior and pressed against the manual call point to actuate the manual call point when the manual call point is installed in the interior of the wall housing, wherein the substructure has internal spacers,wherein the wall housing has a mounting plate mounted on the inner spacers and thereby fastened to the substructure and arranged in the interior of the wall housing, to which the manual call point can be mounted by means of screw connections for installing the manual call point in the interior of the wall housing, for which either the mounting plate has holes or holes can be made in the mounting plate.

[0014] The alarm device according to the invention consists of the wall housing according to the invention and a manual call point installed in the interior of the wall housing, which has its own alarm housing. The manual call point is mounted to the mounting plate by means of screw connections guided through the holes in the mounting plate. Preferably, the alarm device is a fire alarm device, and the manual call point is a manual fire call point. The manual call point preferably has a button on the front that can be actuated through an opening in the alarm housing to trigger a signal, in particular an alarm signal. A circuit board for the manual call point is preferably arranged within the alarm housing.

[0015] Because the surface element is a membrane, no glass pane needs to be broken or a door opened to activate the manual call point. Instead, it is sufficient to conveniently press the membrane and thus activate the manual call point with the membrane interposed. The membrane remains intact even when exposed to a strong jet of water from a high-pressure cleaner because the membrane can flexibly adapt. At the same time, the surface pressure from the water jet only hitting the membrane at specific points is not great enough to trigger a false alarm. Overall, the invention thus enables convenient operation of the manual call point, largely trouble-free operation of the manual call point, and largely trouble-free operation in production facilities or other operations in which the wall housing according to the invention with the manual call point is installed, even after cleaning work or after an alarm has been triggered.

[0016] The membrane is particularly preferably made of silicone. Alternatively, the membrane is made of an elastomer or another flexible or rubber-elastic material. The membrane is preferably translucent. In particular, the membrane is fully or partially transparent. If the membrane is translucent, the manual call point can be seen or at least recognized through the membrane. If the membrane is transparent, even the inscription on the manual call point can be read.

[0017] The mounting plate is mounted primarily using screw connections to the inner spacers. The manual call point is also mounted to the mounting plate using screw connections. The mounting plate has holes for this purpose. The holes are either made directly during production. Alternatively, or additionally, individual holes are drilled into the mounting plate before mounting the manual call point. This allows various commercially available manual call points to be installed in the wall housing according to the invention.

[0018] The front panel preferably has a front frame part and a rear frame part. In particular, both the front frame part and the rear frame part are designed like a frame around the recess and are preferably arranged partially congruently one above the other. Advantageously, the recess is defined by the rear frame part, whereas the front frame part is wider open and spaced from the recess. An edge region of the membrane visible from the front thus projects beyond the recess and is supported at the rear by the rear frame part. Furthermore, it is preferably provided that the edges of the membrane are clamped all the way around between the two frame parts. These edges are therefore not visible. In particular, the frame parts are screwed together, with the frame parts clamping the edges of the membrane all the way around. As a result, the membrane fits tightly against both frame parts.

[0019] The front panel is preferably screwed to the substructure. The front panel also preferably has a circumferential seal on the rear. The seal is made of rubber and seals the front panel to the substructure. The substructure therefore has a hole on its front, which is completely closed by the front panel and the membrane and sealed against moisture penetration. The substructure completely forms the rear, top, bottom, left side, and right side of the wall-mounted enclosure, as well as an edge area of ​​the front of the wall-mounted enclosure.

[0020] In a preferred embodiment of the wall-mounted housing, the substructure has screw holes for attaching the wall-mounted housing to the wall using screws. To further ensure the tightness of the wall-mounted housing, the screw holes must be sealed. For this purpose, the substructure preferably has screw seals to seal the screw holes.

[0021] In a preferred embodiment of the wall-mounted housing, the substructure has a flat rear side and external spacers in which the screw holes are formed and which keep the flat rear side spaced from the wall when the wall-mounted housing is mounted on the wall. In an alternative embodiment of the wall-mounted housing, which does not require spacers, the screw holes are formed directly in the flat rear side of the substructure.

[0022] The manual call point transmits an alarm signal, preferably via a cable. The cable is routed out of the wall housing. For this purpose, the wall housing, particularly the base, is provided with a splash-proof or beam-protected cable entry point. The entry point is located, in particular, on the underside of the wall housing.

[0023] The underside of the wall housing formed by the substructure is preferably oriented perpendicular to the rear and perpendicular to the front of the wall housing. In a preferred embodiment of the invention, the substructure has side surfaces that are bevelled towards the front. These side surfaces are in particular the top side, the left outer side and the right outer side. Alternatively, only the upper side surface is bevelled. The respective side surface is bevelled entirely or by more than 50%, in particular by more than 70%. Each bevelled side surface is preferably oriented at an angle between 30° and 60°, particularly preferably between 40° and 50°, to the front of the wall housing and thus in particular to the orientation of the membrane. Thanks to the bevelled side surfaces, the wall housing can be easily cleaned and water can advantageously drain off the wall housing.

[0024] Further embodiments emerge from the patent claims, the drawings, and the following description of particularly preferred embodiments of the invention shown in the drawings. In the drawings: Fig. 1: a signaling device according to a first embodiment of the invention, consisting of a first wall housing according to the invention and a first manual call point; Fig. 2: the partially disassembled first wall housing and the assembled first manual call point of the alarm device of the first embodiment of Fig. 1; Fig. 3: the partially disassembled first wall housing and the disassembled first manual call point of the alarm device of the first embodiment of Fig. 1; and Fig. 4: a signaling device according to a second embodiment of the invention, consisting of a second wall housing according to the invention and a second manual call point.

[0025] In Fig. Figure 1 shows a signaling device 1 according to the invention, which is attached to a wall with its rear side. The signaling device 1 is designed to manually trigger a signal. In particular, the signaling device 1 is a fire detection device, wherein the signal triggers a fire alarm. The signaling device 1 consists of a wall housing 2 according to the invention and a manual call point. The manual call point is arranged in a moisture-protected interior of the wall housing 2 and in Fig. 1 not designated.

[0026] The wall-mounted housing 2 consists of a base 3, a front panel 4, and a membrane 5. The base 3 and the front panel 4 are primarily made of stainless steel. The membrane 5 is made of translucent silicone, allowing the manual call point located behind the membrane 5 to be visually discernible through the membrane 5. The front panel 4 is screwed to the base 3 using screws 6, 7, 8, and 9. A seal between the front panel 4 and the base 3 is provided by a circumferential rubber gasket.

[0027] The substructure 3 has on the substructure 3, outside of the wall housing 2, in Fig. 1 has invisible external spacers that are welded to a flat rear side of the substructure 3 and keep this flat rear side spaced from the wall on which the alarm device 1 is mounted. The wall housing 2 is screwed to the wall via the spacers using concealed screws.

[0028] The front of the wall housing 2 is formed from parts of the base 3, parts of the front panel 4 and parts of the membrane 5 and is aligned parallel to the flat rear side and parallel to the wall on which the wall housing 2 is mounted. Between the flat rear side and the front, the base 3 has a top side 10, a bottom side 11, a left outer side 12 and a right outer side 13. The left outer side 12 and the right outer side 13 are each at least partially bevelled towards the front to facilitate cleaning of the wall housing 2. Formed on the bottom 11 is a passage 14 for a cable, which is intended to transmit a signal generated by the manual call point. The passage 14 comprises a hole in the base 3 and a cable gland with strain relief made of plastic that passes through the hole.

[0029] Fig. 2 and Fig. 3 show the partially disassembled wall housing 2 and the Fig. 1 and designated here for the first time. In all figures, the same reference numerals designate the same or functionally corresponding parts. The manual call point 15 is shown in Fig. 2 arranged in the interior of the open wall housing 2. In Fig. 3 the manual call point is shown separately next to the opened wall housing 2.

[0030] The front panel 4 has a freely visible front frame part and a rear frame part partially concealed behind the front frame part. The frame parts are made of stainless steel. The membrane 5 is clamped or fixed between the frame parts. For this purpose, the frame parts are screwed together. Fig. 2 and Fig. 3 visible screw holes 16, 17, 18 and 19 are used to fasten the front panel 4 to the base 3 by means of the screws 6 to 9. The screws 6 to 9 engage in threaded holes 20, 21, 22 and 23 of the base 3.

[0031] On the substructure 3, a cover plate is arranged in the form of internal spacers by means of screw connections 25, 26, 27 and 28. Fig. 3 Visible mounting plate 24 for the manual call point 15 is mounted. The mounting plate 24 has holes 29, 30, 31, and 32, individually adapted to the design of the manual call point 15, for fastening the manual call point 15 to the mounting plate 24 using screws. The manual call point 15 has a detector housing 33, a circuit board 34, and a button 35 for manual operation.

[0032] Fig. 4 shows a signaling device 1 according to a second embodiment of the invention. The signaling device 1 of Fig. 4 is essentially similar to the reporting device 1 of Fig. 1. The membrane 5 in the embodiment of Fig. However, the opening 4 is not only translucent, but also transparent. In addition to the opening 14, a further opening 36 is provided for an additional cable. From the opening 36, for example, a signal line can be routed to another signaling device 1. The cable glands of the openings 14 and 36 are made of metal.

[0033] All features mentioned in the above description and in the claims can be combined in any desired manner with the features of the independent claim. The disclosure of the invention is therefore not limited to the described or claimed feature combinations; rather, all feature combinations that are meaningful within the scope of the invention are to be considered disclosed.

Claims

[1] Wall housing (2) for a manual call point, in particular a manual fire call point, which has its own call point housing (33) and can be installed in a moisture-protected interior of the wall housing (2), with a substructure (3) that forms the back of the wall housing (2) and can be attached to a wall, with a front panel (4) attached to the front of the wall housing (2) on the base (3), which is designed like a frame around a recess, and with a surface element held at its edges on the front plate (4), which covers the recess, wherein the substructure (3) and the front panel (4) and the surface element are arranged together around the moisture-protected interior space, wherein the surface element is a membrane (5) which can be manually pressed into the interior and pressed against the hand call point (15) to actuate the hand call point (15) when the hand call point (15) is installed in the interior of the wall housing (2), wherein the substructure (3) has internal spacers and wherein the wall housing (2) has a mounting plate (24) mounted on the inner spacers and thereby attached to the substructure (3) and arranged inside the wall housing (2), on which the manual call point (15) can be mounted for installation inside the wall housing (2) by means of screw connections for which either the mounting plate (24) has holes or holes can be made in the mounting plate (24). [2] Wall enclosure (2) according to claim 1, characterized by , that the membrane (5) is made of silicone. [3] Wall enclosure (2) according to any one of the preceding claims, characterized by, that the membrane (5) is transparent. [4] Wall enclosure (2) according to any one of the preceding claims, characterized by , that the membrane (5) is transparent. [5] Wall enclosure (2) according to any one of the preceding claims, characterized by , that the mounting plate (24) is mounted to the inner spacers by means of screw connections (25, 26, 27, 28). [6] Wall enclosure (2) according to any one of the preceding claims, characterized by , that the front plate (4) has a front frame part and a rear frame part, that the edges of the membrane (5) are clamped all around between the two frame parts and that the frame parts are screwed together. [7] Wall enclosure (2) according to claim 6, characterized by , that the front panel (4) is screwed to the base (3) and that the front panel (4) has a circumferential seal on the back, in particular made of rubber, which seals the front panel (4) to the base (3). [8] Wall enclosure (2) according to any one of the preceding claims, characterized by , that the substructure (3) has screw holes for attaching the wall housing (2) to the wall using screws. [9] Wall enclosure (2) according to claim 8, characterized by , that the substructure (3) has screw seals for sealing the screw holes. [10] Wall-mounted enclosure (2) according to one of claims 8 and 9, characterized by , that the substructure (3) has a flat back surface and external spacers in which the screw holes are formed and which keep the flat back surface spaced away from the wall when the wall housing (2) is mounted on the wall. [11] Wall enclosure (2) according to any one of the preceding claims, characterized by , that the wall housing (2) has a splash-proof or radiation-protected opening (14, 36) for a cable. [12] Wall enclosure (2) according to any one of the preceding claims, characterized by, that the substructure (3) has side surfaces beveled towards the front, in particular the top (10) and left outer surface (12) and right outer surface (13). [13] Alarm device (1), in particular fire alarm device, comprising a wall housing (2) according to one of the preceding claims and a manual call point (15), in particular a manual fire call point, installed in the interior of the wall housing (2), which has its own detector housing (33), wherein the manual call point (15) is mounted on the mounting plate (24) by means of the screw connections guided through the holes in the mounting plate (24). [14] Reporting device (1) according to claim 13, characterized by , that the manual call point (15) has a circuit board (34) arranged inside the detector housing (33) and a push button (35) which can be actuated from the front through an opening in the detector housing (33) to trigger a signal, in particular an alarm signal.

Images