EP2395489B1 - Dispositif de détection de fumée - Google Patents

Dispositif de détection de fumée Download PDF

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Publication number
EP2395489B1
EP2395489B1 EP11004715.6A EP11004715A EP2395489B1 EP 2395489 B1 EP2395489 B1 EP 2395489B1 EP 11004715 A EP11004715 A EP 11004715A EP 2395489 B1 EP2395489 B1 EP 2395489B1
Authority
EP
European Patent Office
Prior art keywords
elements
smoke
alarm device
smoke detection
smoke alarm
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.)
Not-in-force
Application number
EP11004715.6A
Other languages
German (de)
English (en)
Other versions
EP2395489A3 (fr
EP2395489A2 (fr
Inventor
Dietmar Friedrich Brück
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.)
BRUECK, DIETMAR FRIEDRICH
Original Assignee
Brueck Dietmar Friedrich
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 Brueck Dietmar Friedrich filed Critical Brueck Dietmar Friedrich
Publication of EP2395489A2 publication Critical patent/EP2395489A2/fr
Publication of EP2395489A3 publication Critical patent/EP2395489A3/fr
Application granted granted Critical
Publication of EP2395489B1 publication Critical patent/EP2395489B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Definitions

  • the invention relates to a smoke detection device having an inner smoke detection space, sensor element, receiver element and a number of the penetration of ambient light in this smoke detection space preventing elements.
  • the DE 2 0205 194 U1 a so-called smoke collecting case having a hollow case which has a plurality of slots formed in a side wall of the hollow case and a plurality of I-shaped first ribs interposed therebetween, wherein a plurality of second ribs are provided between the first ribs.
  • the document DE 27 49 494 A1 discloses an optical smoke detector with a detector housing 12 and a so-called. Panel 28. In the center of the panel, an optical chamber is formed with a light source and a transducer. Regarding the inside of the panel 28 and a
  • Bottom of a well in the housing 12 is further disclosed as having two opposing surfaces therethrough that mate with each other.
  • the document GB 2 170 597 A discloses a smoke sensor having upper and lower members, the lower member forming the bottom of a chamber and having a wedge-shaped portion of its surface and the upper member having a frusto-conical surface.
  • a smoke detection device is from the US 5,400,014 A known.
  • a dark chamber is surrounded by a peripheral wall structure having a number of nested wing-like elements.
  • the second element of each wing-like element is shorter than the first and branches from this at an angle within its extension.
  • Neighboring vanes accordingly define a meandering path that requires at least three or four reflections of light to reach the interior of the chamber. This serves to avoid the entry of ambient light into the interior of the smoke detection device. Such scattered light would cause the sensor and receiver elements arranged in the smoke detector to receive a false signal that would trigger the smoke detector.
  • Sensor and receiver element are arranged between the wing elements at an angle to each other.
  • Adjacent wing members define bonded channels that lead from the outside of the chamber into the chamber to block light without the air flow substantially. to restrict.
  • Each of the channels includes an outer portion that extends toward the center of the chamber to define a channel entrance that allows entry of smoke with substantially equal resistance from opposite directions.
  • the channels further define second ones and third sections which curve inwardly from the entrance of the chamber towards the chamber, extending in one direction first and then in another direction with a sharp bend.
  • the present invention is based on the object to provide an improved smoke detection device in which the risk of the ingress of ambient light and thus the risk of malfunction of the smoke detection device is further reduced.
  • This provides a smoke detection device having an interior smoke detection space, sensor element, receiver element and a number of ambient light intrusion prevention elements into the smoke detection space, where these elements are no longer adjacent to one another as staggered V-shaped wing elements but extend one above the other; so in adjacent, horizontally stacked levels.
  • these elements are no longer adjacent to one another as staggered V-shaped wing elements but extend one above the other; so in adjacent, horizontally stacked levels.
  • At least one of the elements has a wall surrounding or defining the smoke detection space.
  • at least one of the horizontally stacked elements which are intended to prevent the penetration of ambient light into the smoke detection space, extends so far inwards into the interior of the smoke detection device that a circumferential wall of the smoke detection space can be defined by the then innermost wall of this element.
  • sensor element and receiver element are advantageously arranged within the smoke detection space then defined or are arranged so that they are directed into this, wherein they are otherwise completely sealed off from the environment.
  • the elements for preventing penetration of ambient light into the smoke detection space are formed at an angle to the planes or at an angle to the respective extent of the planes in which they are arranged, or have at least one sub-region formed at an angle to them.
  • the angled configuration can be, for example, V-shaped and / or M-shaped and / or W-shaped. In this case, it is possible to use both partial areas that are evenly angled and partial areas that have different angles to one another. Especially when providing differently angled portions is the possibility of distraction from penetrating ambient light even better than evenly angled sub-areas.
  • Adjacent elements may not have mutually parallel formed angularly extending portions. This also makes it possible to distract even better penetrating ambient light and keep out of the smoke detection room.
  • two adjacent elements may be formed differently, advantageously angularly shaped portions, ie in particular V-shaped portions, one above the other or at least slightly offset from each other are arranged one above the other to allow optimal deflection of incident light rays.
  • radial radially extending around the smoke detection space around and the penetration of ambient light in this smoke detection space preventing elements provided.
  • these elements arranged in a radial manner can be arranged particularly advantageously between two adjacent elements arranged one above the other in planes.
  • These radially extending around the smoke detection space extending elements thus extend radially with respect to the smoke detection space, in particular over the entire radial extent of the superimposed elements away.
  • the radially arranged elements in the region in which they abut or adjoin the superimposed elements are formed according to the shape of the elements, ie in particular V-shaped and / or serrated recesses on two opposite Have pages. As a result, they can be supported both on the upper side of the one annularly arranged element and on the underside of the adjacent element arranged above it.
  • the smoke detection device having an inner smoke detection space, at least one smoke sensor element, and a plurality of ambient light blocking elements in the smoke detection space may, in particular, in addition to the above features, have at least one sound passage enabling means adjacent to the smoke detection space, opposite to it , By means of such a device serving as a sound tunnel, after arranging the smoke detection device in a room, the sound emitted by an acoustic warning device in the interior of the smoke detection device can be conducted to the exterior directed into the room.
  • the sound passage enabling device comprises a tunnel-like device and at least one rib or lamellar structure element, wherein the rib or lamellar structure element is arranged on the outside of the tunnel-like device at a distance from this and extends over at least part of its scope.
  • the ribs or lamellae of the rib or lamellar structure element extend transversely to the planar extent of the elements which lie one above the other and surround the smoke detection space, ie in the mounting situation, usually in the vertical direction with respect to the horizontal extent of the superimposed elements.
  • the rib or lamellar structure element and the tunnel-like element can be connected to one another by at least one connecting web or a connecting element.
  • the at least one rib or lamellar structural element By providing the at least one rib or lamellar structural element, a passage of smoke is possible there and through which, in comparison to the On top of each other arranged elements arranged transversely to these arranged ribs or lamellae further triggering the smoke detection device from various directions.
  • the tunnel-like element and the connecting web or the connecting element can be or be formed as a one-piece element. This can be inserted into a correspondingly dimensioned opening, in particular in at least one of the superimposed elements, and / or be integrally formed with at least one of these elements or partially formed in one piece.
  • the tunnel-like device and / or the rib or lamellar structure element can essentially extend in the intermediate space between the elements arranged one above the other. In particular, the tunnel-like device can protrude through the element arranged in the upper part of the smoke detection device.
  • the rib or lamellar structure element may have a smaller height extent than the tunnel-like device, so that the rib or lamellar structural element extends only between the two superimposed elements, whereas the tunnel-like device through one in the upper or closer to the outside of the smoke detection device arranged element provided opening projects through, so that their sound outlet can be arranged even closer to the outside of the smoke detection device.
  • the tunnel-like device surrounding at least part of the at least one rib or lamellar structural element can have a cylindrical outer wall with an end-side cover part with an inner through-opening, wherein the inner Through opening advantageously has a smaller diameter than the space enclosed by the cylindrical outer wall space.
  • FIG. 1 shows an exploded view of an embodiment of a smoke detector 1.
  • the smoke detector 1 has a lower part 10, a middle part 11 and an upper part 12.
  • the middle part has an annular element 111 formed from a lattice-type material, that is to say a material provided with passage openings 110.
  • the upper part 12 is formed as a closed lid, as in particular also the cross-sectional view in FIG. 4 can be removed.
  • a smoke detection room 100 is arranged inside the lower part 10.
  • an infrared sensor element 2 is arranged for the detection of smoke. This consists mostly of transmitter and receiver element.
  • the upper part 12 has an outer lid-like part 120 provided with a central recess 120a and opening 120b, in which a transparent or translucent cover 121 is arranged. Below this, a lamp 122 for indicating the operational readiness may be arranged, as in FIG FIG. 4 to see.
  • a first element 124 On the underside 123 of the outer part 120 directed in the direction of the middle part 11, a first element 124 preventing the penetration of ambient light into the interior of the smoke detection device is provided.
  • This is substantially plate-shaped and has an annular circumferential projecting from the plane of the plate rib-like portion 125. This one is like that FIGS. 4 and 7 can be removed particularly well, designed as a V-shaped offset.
  • the central portion 126 and the circumferential annular edge portion 127 of the first member 124 are flat or flat and are due to the different lengths of legs 128 and 129 of the cross-sectionally angled or V-shaped portion 125 in mutually parallel planes, so not in a single plane. Due to the different lengths of leg 128 and 129, in conjunction with a second intrusion of ambient light into the interior of the smoke detection device preventing member 101, the best FIG. 4 and 7 can be taken, ambient light from the environment of the smoke detection device 1 are reflected so that it does not penetrate into the interior of the smoke detection device 1 or at least reflected so that it does not interfere with the detection of smoke there, so no false triggering of the smoke detection device 1 leads.
  • the smoke detection space 100 is bounded by a circumferential and closed wall 102. This is part of the second element 101.
  • the second element 101 has this circumferential wall 102 and a zigzag portion 103 which extends upwards and downwards or in the direction of the first element 124 and in the direction of the bottom of the lower part 10 from the actual Level of the second element extends out.
  • the portion 103 is thus M-shaped, each with legs at different angles 104, 105, 106, 107, such as the FIGS. 4 and 7 can be removed.
  • the legs 128 and 129 of the first element 124 lie approximately over the legs 105, 106 of the second element 101, however, the legs 105 and 128 or 106 and 129 are not arranged parallel to one another.
  • extending elements 113 are provided in the space 112 between the two elements 124 and 101 are further radially from the smoke detection space in the outward direction with respect to the lower part 10, so away from the smoke detection space. These also serve to prevent the penetration of ambient light into the interior of the smoke detection device 1 or its smoke detection space 100.
  • the elements 113 By arranging the elements 113 in each case at a distance from each other small chambers 114 are formed in connection with the two elements 124 and 101, through which the ambient light can only reach the interior of the smoke detection device. By providing these chambers 114, a special foreclosure of the smoke detection space against ambient light can be provided.
  • the elements 113 are flat, flat and plate-shaped. Furthermore, they are adapted to the shape of the two elements 124 and 101, so have a transversely to their planar extent a stepped or recessed shape, as particularly good the FIGS. 1 . 2 and in particular 6 can be removed. This gradation is or recesses are provided here at the edge on two opposite sides of the elements 113. Since this edge-shaping is adapted to the shape of the two elements 124 and 101, it may vary from element 113 to element 113 depending on the positioning of the elements 113.
  • the elements 124, 101 and 113 may be integrally formed, that is, as an element comprising all these elements, as the FIGS. 6 and 7 can be seen. However, they can also be designed as individual juxtaposed or mutually joined elements.
  • the elements or the entire housing of the smoke detection device 1 consists in particular of a plastic.
  • FIG. 8 A sound passage enabling means 3a is shown in FIG FIG. 8 indicated.
  • the FIGS. 9 to 15 show a further embodiment of the two superimposed elements, which here carry the reference numerals 201 and 224.
  • a special type of sound passage enabling device 3 is provided. This includes a tunnel-like device 30 and a rib or lamellar structure element 31 partially surrounding it.
  • the tunnel-like device 30 is cylindrical and has an inner diameter d 1 , as in FIG FIG. 11 indicated. At its one end 33, it is provided with a cover part 34, which has an inner passage opening 35 with a diameter d 2 , the diameter d 2 being smaller than the diameter d 1 . This gives a good sound emission, combined with a low probability of light incidence.
  • the rib or lamellar structure element 31 is provided. It is connected via connecting webs 36 with the tunnel-like device 30. These connecting webs are arranged at a distance from each other. They provide a mechanical and a sound connection between the ribs or Lamellar structure element 31 and the tunnel-like device 30, so the sound tunnel ago.
  • the ribs or lamellae 37 of the rib or lamellar structure element 31 are arranged transversely to the two elements 201, 224, ie extend approximately parallel to the longitudinal extent of the tunnel-like device 30.
  • the elements 201 and 224 are arranged approximately horizontally in a space and the ribs or lamellae 37 correspondingly approximately vertically, as for example the FIG. 12 for the element 201 can be removed.
  • the ribs or lamellae 37 are provided in the manner of a palisade fence at a distance from the tunnel-like device 30, for example concentric with its circumferential wall 38. How very good FIG. 10 can be removed, the ribs or fins 37 are arrow-like in cross section, so have two mutually angled leg 371 and 372 on. This shaping supports the sound conduction and particularly prevents an incidence of ambient light in the smoke detection space 100.
  • the tunnel-like device 30 has a greater height extent than the rib or lamellar structure element 31, with h 1 > h 2 , where h 1 is the height of the tunnel-like device 30 and h 2, the height of the rib or lamellar structural element 31.
  • h 1 is the height of the tunnel-like device 30 and h 2
  • the rib or lamellar structure element 31 is superimposed therebetween, possibly both in contact with or integral with the element 201, whereas the tunnel-like device 30 is supported by one in the element 224 therefor provided opening 39 protrudes.
  • the rib or lamellar structure element 31 thus rests in the gap 212 between the two elements 201 and 224.
  • the opening 39 is in the Figures 13 and 14 shown and advantageously has only about the outer diameter of the tunnel-like device 30 corresponding opening width or inner diameter.
  • the element 224 otherwise differs little or not from the element 124, wherein the element 224 also has a circumferential annular edge portion 227 with provided on its underside 227a groove 230 for insertion of the central part 11 and the annular member 111 and of course a rib-like portion 225 and a central portion 226 between the rib-like portion 225 and the circumferential annular portion 227 has.
  • each of the elements that prevent the ingress of ambient light into the smoke detection space at least two in adjacent levels superimposed elements and are annular or as Ring segments extend around the smoke detection room.

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Claims (13)

  1. Dispositif de détection de fumée (1) avec un espace de détection de fumée intérieur (100), au moins un élément capteur de fumée (2) et un nombre d'éléments empêchant la pénétration de lumière ambiante dans l'espace de détection de fumée (100), caractérisé en ce que les éléments sont au moins deux éléments (101, 124, 201, 224) disposés dans des plans superposés, qui s'étendent en forme d'anneau ou comme des segments annulaires autour de l'espace de détection de fumée (100) et pour lesquels un élément (124, 224) présente au moins une zone partielle (125, 225) coudée en V et un élément (101, 201) présente au moins une zone partielle (103) coudée en M et/ou en W.
  2. Dispositif de détection de fumée (1) selon la revendication 1, caractérisé en ce que les éléments (101, 124, 201, 224) sont réalisés dans un angle par rapport à l'étendue respective des plans ou présentent au moins une zone partielle réalisée de manière angulaire par rapport à celle-ci.
  3. Dispositif de détection de fumée (1) selon la revendication 2, caractérisé en ce que des éléments contigus (101, 124, 201, 224) présentent des zones partielles réalisées de manière angulaire, s'étendant de manière non parallèle.
  4. Dispositif de détection de fumée (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins l'un des éléments (101, 201) présente une paroi (102) entourant ou définissant l'espace de détection de fumée (100).
  5. Dispositif de détection de fumée (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que des éléments (113, 213) s'étendant radialement en forme de rayon autour de l'espace de détection de fumée (100) et empêchant la pénétration de lumière ambiante dans cet espace de détection de fumée (100) sont prévus.
  6. Dispositif de détection de fumée (1) selon la revendication 5, caractérisé en ce que les éléments disposés en rayon radialement (113, 213) sont disposés entre deux éléments (101, 124, 201, 224) superposés dans des plans parallèles.
  7. Dispositif de détection de fumée (1) selon la revendication 5 ou 6, caractérisé en ce que les éléments disposés en rayon (113, 213) dans la zone, dans laquelle ils reposent ou sont contigus aux éléments superposés (101, 124, 201, 224) sont formés selon le formage des éléments (101, 124, 201, 224).
  8. Dispositif de détection de fumée (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un dispositif (3) permettant un passage du son est prévu, lequel s'étend de manière contiguë à l'espace de détection de fumée (100), tout en délimité par rapport à celui-ci.
  9. Dispositif de détection de fumée (1) selon la revendication 8, caractérisé en ce que le dispositif (3) permettant un passage du son comporte un dispositif de type tunnel (30) et au moins un élément structurel à nervure ou lamelle (31), l'élément structurel à nervure ou lamelle (31) étant disposé sur le côté extérieur du dispositif (3) de type tunnel à distance de celui-ci et s'étendant au moins sur une partie de sa périphérie.
  10. Dispositif de détection de fumée (1) selon la revendication 9, caractérisé en ce que l'élément structurel à nervure ou lamelle (31) et l'élément de type tunnel (30) sont reliés entre eux par au moins une nervure de liaison ou un élément de liaison (36).
  11. Dispositif de détection de fumée (1) selon la revendication 10, caractérisé en ce que l'élément structurel à nervure ou lamelle (31), l'élément de type tunnel (30) et la nervure de liaison ou l'élément de liaison (36) sont réalisés comme un élément d'un seul tenant.
  12. Dispositif de détection de fumée (1) selon l'une quelconque des revendications 8 à 11, caractérisé en ce que le dispositif de type tunnel (30) et/ou l'élément structurel à nervure ou lamelle (31) s'étend sensiblement dans l'espace intermédiaire (212) entre les éléments superposés (201, 224), en particulier le dispositif de type tunnel (30) pénètre dans l'élément (224) disposé dans la partie supérieure (12) du dispositif de détection de fumée (1).
  13. Dispositif de détection de fumée (1) selon l'une quelconque des revendications 8 à 12, caractérisé en ce que le dispositif de type tunnel (30) présente une paroi extérieure (38) cylindrique avec une partie de recouvrement (34) côté extrémité dotée d'une ouverture continue intérieure (35), l'ouverture continue intérieure (35) présentant un diamètre inférieur (d2) à celui de l'espace entouré par la paroi extérieure (38) cylindrique.
EP11004715.6A 2010-06-09 2011-06-09 Dispositif de détection de fumée Not-in-force EP2395489B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010023243 2010-06-09
DE102010056634 2010-09-09

Publications (3)

Publication Number Publication Date
EP2395489A2 EP2395489A2 (fr) 2011-12-14
EP2395489A3 EP2395489A3 (fr) 2012-01-11
EP2395489B1 true EP2395489B1 (fr) 2013-04-24

Family

ID=44581903

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11004715.6A Not-in-force EP2395489B1 (fr) 2010-06-09 2011-06-09 Dispositif de détection de fumée

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EP (1) EP2395489B1 (fr)
DE (1) DE102011106362A1 (fr)
ES (1) ES2422409T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014106124A1 (de) * 2014-04-30 2015-11-05 Job Lizenz Gmbh & Co. Kg Gefahrenmelder
US11454389B1 (en) * 2021-06-22 2022-09-27 Brian A Ryznic Combination recessed lighting and smoke detector

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914616A (en) 1974-08-05 1975-10-21 Joseph Mooibroek Smoke detector
US4121110A (en) * 1976-11-04 1978-10-17 Solomon Elias E Optically biased smoke detector
GB8502506D0 (en) * 1985-01-31 1985-03-06 Emi Ltd Smoke detector
EP0255117A1 (fr) * 1986-07-31 1988-02-03 Siemens Aktiengesellschaft Détecteur de fumée pour détection d'incendie à bref délai
US4857895A (en) 1987-08-31 1989-08-15 Kaprelian Edward K Combined scatter and light obscuration smoke detector
US5400014A (en) 1993-07-12 1995-03-21 Detection Systems, Inc. Smoke detector with dark chamber
DE20205194U1 (de) 2002-04-03 2002-08-08 Everday Technology Co Rauchsammelgehäuse
US7616126B2 (en) * 2006-07-18 2009-11-10 Gentex Corporation Optical particle detectors

Also Published As

Publication number Publication date
DE102011106362A1 (de) 2011-12-29
ES2422409T3 (es) 2013-09-11
EP2395489A3 (fr) 2012-01-11
EP2395489A2 (fr) 2011-12-14

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