EP3364389B1 - Avertisseur de danger comprenant une ouverture de passage d'air pouvant être recouverte - Google Patents

Avertisseur de danger comprenant une ouverture de passage d'air pouvant être recouverte Download PDF

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Publication number
EP3364389B1
EP3364389B1 EP17156501.3A EP17156501A EP3364389B1 EP 3364389 B1 EP3364389 B1 EP 3364389B1 EP 17156501 A EP17156501 A EP 17156501A EP 3364389 B1 EP3364389 B1 EP 3364389B1
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EP
European Patent Office
Prior art keywords
warning device
cover element
detector
passage
cover
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.)
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Application number
EP17156501.3A
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German (de)
English (en)
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EP3364389A1 (fr
Inventor
Andre Hein
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Heim Mark
Original Assignee
Heim Mark
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Priority to EP17156501.3A priority Critical patent/EP3364389B1/fr
Priority to HUE17156501 priority patent/HUE044839T2/hu
Priority to PCT/EP2018/053071 priority patent/WO2018149713A1/fr
Publication of EP3364389A1 publication Critical patent/EP3364389A1/fr
Application granted granted Critical
Publication of EP3364389B1 publication Critical patent/EP3364389B1/fr
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    • 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
    • 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

Definitions

  • the invention relates to a hazard detector, with an attachable to a wall or ceiling of a room detector housing in which at least one inner detection space, at least one sensor unit and an evaluation / control unit is arranged, wherein the detector housing has at least one passage opening for the surrounding air, the opens into the detection space, so that the room air in and out of the detection space, which detects the sensor unit, and with a mechanical actuator for changing an effective cross section of the at least one passage opening, wherein the adjusting device at least one cover for the at least one passage opening has, attached to the detector housing movably guided and movable between an operating position and a non-operating position, and vice versa, by an actuator, wherein the cover in the non-operating position, the at least one füreriesöffn ung covers and thus the detection space in front of the ambient air surrounding the danger detector, and in the operating position which releases at least one passage opening.
  • Hazard detector of the type mentioned which are based on detecting the entry of gas and / or smoke in a detection space and a deviation outputting a warning signal from a desired state are generally known in various embodiments.
  • the warning signal can be output acoustically, visually or in another way, for example.
  • Such hazard detectors are usually mounted on a wall or ceiling in interiors of buildings.
  • an optical measuring device is arranged as a sensor unit in this chamber, for example.
  • Such danger detectors must always function properly. After installation, contamination of the at least one passage opening for the surrounding ambient air and / or deposits of dust in the interior of the detection chamber may occur even before startup and, of course, in the course of the operating time, whereby the safe function of the hazard alarm is disturbed. Such impairments occur in particular in rooms with a strong dust accumulation, for example on construction sites or in workshops. Such contamination can negatively affect the sensitivity of the sensor unit and thus of the danger detector, the device can at worst fail completely. It is therefore desirable for safe operation, the danger detector or the sensor unit located in the detector housing to protect against such contamination in the best possible way. This applies both when the hazard detector is out of service and in operation.
  • the DE 10 2004 029 242 B4 discloses a hazard detector, in particular gas or fire detectors, in which a metallic protective sieve covering the openings is provided at the intended passage openings for the surrounding room air.
  • the protective screen prevents the entry of larger smoke and / or dirt particles in the inner detection space of the hazard alarm.
  • the DE 203 18 331 U1 teaches a smoke detector with a housing provided with air inlet openings and a sensor unit arranged in the housing, wherein a protective film covers the air inlet openings which can be removed from the air inlet openings when the smoke detector is finally put into operation.
  • the EP 0 040 342 A1 deals with a smoke detector with at least one smoke chamber, which has a base plate with a fixed to a ceiling ceiling and a hanging attached to the base plate, the smoke chamber enclosing housing having openings for the entry of the surrounding air into the smoke chamber.
  • the smoke detector has a manually adjustable device, with which the air inlet openings can be changed so that the smoke detector can be adapted to different environmental conditions, in particular with different dust accumulation during assembly in order to minimize the contamination of the detection space.
  • the US 2007/0171084 A1 discloses a personal safety device comprising a shroud means, a lighting means and a smoke detector means and enclosed by the shroud means in a first closed arrangement of the apparatus and accessible to the ambient atmosphere in a second open arrangement, the smoke alarm means being provided with a control means in that it is adapted to activate it when the device is in the open configuration and to inactivate it when the device is in the closed configuration.
  • the device is arranged so that it can be grasped by hand.
  • the sheathing means comprises an elongate, generally cylindrical housing means, wherein the illumination means at a first end thereof and the smoke detector means is attached to a second, from the first remote end.
  • the US 4,540,980 teaches a portable fire alarm unit having a housing which abuts against or adjacent to the inside of a door of a room and includes an alarm warning device, a temperature detector and a fire alarm control device responsive to the temperature sensing means is coupled.
  • the housing has at least one opening in the walls to permit the passage of smoke to the smoke sensor, the housing being in the form of a pair of telescoping telescoping shells, the at least one opening being closed in a first intended position and open to a second provided position is.
  • the US 2005/0035868 A discloses a recessed detector assembly comprising: a detector frame adapted to be mounted flush with a mounting box mounted in a ceiling or wall, the frame having exposed ventilation apertures to allow air, the airborne ones Contains substances entering the frame; at least one sensor mounted in the detector frame for detecting one or more of the airborne substances; Means for aspirating the airborne substances, wherein the at least one sensor generates a signal that causes the means for aspirating the one or more airborne substances to operate when a presence of the one or more of the airborne substances is detected to exceed predetermined values ,
  • a vent is preferably formed on a cover plate of the detector frame.
  • the object of the invention is to propose a possibility with which the passage openings leading to the detection space for the ambient air surrounding the hazard detector and the detection space can be protected at any time quickly, safely and simply, and in particular without additional manual measures, from undesired soiling.
  • the hazard detector comprises an electric drive motor which moves the actuator, wherein the drive motor is connected to the evaluation / control unit which controls the drive motor and determines the position of the at least one cover element for the operating position and the non-operating position, and wherein the evaluation - / Control unit is remotely controllable and has a connection via wire, a radio receiving module or an infrared receiving module, via which the drive motor can be activated and deactivated.
  • the electric drive motor is connected in one embodiment of the invention with a motor controller which controls the drive motor and determines the position of the at least one cover element for the operating position and the non-operating position.
  • the engine control is part of the evaluation / control unit of the hazard alarm.
  • the danger detector according to the invention is, in particular, a fire detector, smoke detector or gas detector, wherein the sensor unit provided may preferably be designed as a gas detector, sound detector, optical detector or a combination thereof.
  • the mechanical adjusting device is provided for changing an effective cross section of the at least one passage opening for the surrounding room air having at least one cover element for the at least one passage opening, which is movably guided on the detector housing and movable between an operating position and a non-operating position and vice versa by an actuator is.
  • the cover In the non-operating position, the cover completely covers the at least one passage opening and thus encapsulates the at least one detection space of the ambient air surrounding the hazard detector.
  • the cover element releases the at least one passage opening, so that ambient air surrounding the danger detector can enter the at least one detection space.
  • the cover engages in the non-operating position, the at least one passage opening and can also completely seal them. This will be the entry Room air, especially polluted room air, reliably prevented in the detection room. Is the at least one passage opening through the cover completely closed and thus precluded entry of ambient air surrounding the hazard detector in the detection space, the sensor unit can logically no longer detect hazards in the room.
  • the non-operating position of the cover is generally used only when the sensor unit and / or the evaluation / control unit of the hazard alarm are not in operation. In the operating position of the cover member, this at least partially, ideally completely free at least one passage opening.
  • the cover element If the cover element is in the operating position, the ambient air surrounding the danger detector can enter and exit the detection space, so that the sensor unit detects a potential danger and the evaluation / control unit visually, acoustically and / or otherwise signals a detected danger can.
  • the effective cross section of the at least one passage opening can also be varied in order to adapt this particular to different dust accumulation during operation of the hazard detector.
  • the hazard detector according to the invention can be configured, for example, as a fire detector, smoke detector and / or gas detector.
  • a connecting channel running straight and / or in a labyrinth can lead to the detection space from the passage opening of the detector housing and / or a protective screen can be provided in the region of the at least one passage opening.
  • the danger detector according to the invention can be designed as a "stand-alone" or as a networkable detector. It may have a built-in battery for an internal power supply or a voltage connection for an external power supply. Networkable hazard detectors can communicate either with a radio link or via a cable connection with other hazard detectors or a remote security control panel.
  • an acoustic and / or optical signaling unit is preferably arranged in the detector housing, over which an optical and / or acoustic warning signal can be output in the event of danger.
  • the detector housing usually consists of at least two housing halves, ie an upper and a lower housing part, wherein the lower housing part is designed for fastening the smoke detector to a wall or ceiling and in the upper housing part the detection space, the sensor unit, the evaluation / control unit , the signaling unit and the power supply are arranged. Accordingly, one or more passage openings are formed on the upper housing part.
  • the upper housing part may have any housing shape. It may for example be formed completely cylindrical or dome-shaped or partially cylindrical, with an attached dome or an attached dome.
  • the lower housing part is preferably designed as a base. For fixing the lower base part to the wall or ceiling, for example, fastening holes, a suspension hook or a magnetic holder may be provided.
  • the at least one cover element is pivotally connected to the detector housing and has at least one cover flap for the at least one passage opening.
  • a cover flap is designed without breakthroughs.
  • two cover flaps are provided, which are in particular identical.
  • the at least one cover flap is pivotable about a virtual pivot axis relative to the detector housing and thus opposite the at least one passage opening for the surrounding room air.
  • the virtual pivot axis is determined by two mutually associated bearing points of the cover flap and the detector housing.
  • the cover flap can between the non-operating position, in which it completely isolated the at least one detection space from the surrounding room air and the operating position in which it releases the at least one passage completely or partially, thus allowing the surrounding room air access to the at least one detection space, manually or be moved back and forth via a drive. Any intermediate positions are possible.
  • the at least one cover is rotatably connected to the detector housing and has at least one cover for the at least one passage opening.
  • a single cap is used.
  • a plurality of concentrically arranged cover caps are possible.
  • the at least one cap is arranged around a virtual axis of rotation, which is preferably provided centrally on the cap and the detector housing.
  • the axis of rotation is preferably determined by a single bearing point.
  • the covering cap can be designed either as a covering hub, rotary sleeve, rotary cap, rotary dome or as a rotary ring, which is rotatably mounted inside or outside on the detector housing.
  • the at least one cover element in the form is at least partially adapted to a contour region of the detector housing, which has the at least one passage opening.
  • the cover element has at least one passage point assigned to the surrounding ambient air to at least one passage opening of the detector housing.
  • the at least one passage point may be formed, for example, in an edge or a central region of the cover. It is designed as a breakthrough and can have any geometric shape. Ideally, this is to the Adapted shape of the passage opening. It may be slightly larger or smaller than the passage opening. It is important that the at least one passage point in the non-operating position of the cover completely adjacent to the at least one passage opening can be arranged, so that the passage opening is then completely closed.
  • the at least one passage point In the operating position, the at least one passage point completely or partially overlaps the at least one passage opening, so that the ambient air surrounding the hazard detector can pass through the at least one passage point to the at least one passage opening and thus can penetrate through the at least one passage opening into the inner detection space of the detector housing ,
  • the at least one intended passage point can optionally be provided with a protective grid or protective screen, which prevents the entry of coarse particles into the detection space.
  • the cover element, the at least one cover flap or the at least one cover cap can be arranged on the detector housing inside or outside.
  • the at least one cover element is arranged on the outside of the detector housing and releasably connected to the detector housing. This allows the cover, which is preferably locked to the detector housing, easily remove from the detector housing to clean the detector housing and / or the cover from contamination.
  • the at least one cover element is preferably to be removed without tools from the detector housing and placed on this.
  • the at least one cover element is preferably detachably couplable to the actuator.
  • the cover element couples automatically when connecting to the detector housing with the actuator and decoupled from this automatically when removing the cover from the detector housing. This ensures that the at least one cover element in the state mounted on the detector housing is in engagement with the actuator and thus the at least one cover element can be moved at any time by the actuator. In addition, this ensures that the Cover element and / or actuator is not damaged when removing the cover from the detector housing.
  • the at least one cover is rotatably connected to the detector housing and has a at least one cover and / or cross-over, preferably removable from the detector housing guard element, which in the assembled state immovably releasably connected to the detector housing is, wherein the protective cover member has at least one of the at least one passage point of the cap associated hood recess.
  • the at least one hood recess is suitably adapted to the shape of the at least one passage point of the cover cap. It may be smaller, equal or larger than these and may optionally be provided with a protective grid or protective screen.
  • the at least one cover element In the non-operating position, the at least one cover element preferably completely closes off the at least one hood recess and releases it at least partially in the operating position.
  • an additional temperature sensor is provided outside the detection space, this is arranged next to or outside of the cover and is not covered by the at least one cover in the non-operating position.
  • the detection of the temperature of the ambient air surrounding the danger detector allows. In this way, an alarm can be triggered when the temperature exceeds a set value.
  • the advantages of the invention over the prior art is that the leading to the detection space passages and the detection space of the hazard alarm at any time quickly, safely and easily isolated from the ambient air and this can be protected from unwanted contamination when the ambient air is heavily contaminated with dirt particles.
  • the detectors are often shut down by the operator of the fire alarm system and provided with a dust cap. If the ambient air is no longer heavily contaminated by dirt particles, the cap is removed and the detector is reactivated. This process is very time-consuming and thus associated with high costs.
  • the detector is not masked by the operator, but by an unauthorized person or otherwise covered manually. In these cases, the detection of the detector is often forgotten.
  • the adjustment of the amount of air entering the detection space can be carried out remotely by at least one Covering element, which is designed as a cover flap or cap, in its position by means of an electrically driven mechanically acting adjusting device between an operating position and a non-operating position is movable, which covers the at least one passage opening to the detection space in the non-operating position and releases it in the operating position.
  • the FIG. 1 shows an embodiment of a standard hazard detector 1 of the prior art, without adjusting device for changing the effective cross section of the passage openings.
  • the hazard detector can be designed as a fire detector, smoke detector or gas detector.
  • the hazard detector 1 has a detector housing 2 which can be attached to a wall or ceiling of a room, in which at least one inner detection space, at least one sensor unit and an evaluation / control unit are arranged. These are in the FIG. 1 not visible.
  • the detector housing 2 has a number of passage openings 3 for the surrounding room air, which open into the concealed detection space, so that the room air surrounding the hazard detector 1 can enter and exit the detection space, the detection space being detected by the non-visible sensor unit which, for example, monitors the incoming room air in an optical, chemical or physical process.
  • the detector housing 2 is formed in two parts and has a lower housing part 4 and an upper housing part 5.
  • the lower housing part 4 is provided for attachment to a wall or ceiling of a room.
  • the sensor unit and the evaluation / control unit is arranged together with a signaling unit.
  • the inner detection space and the sensor unit are arranged in a middle housing section 6 of the upper housing part 5.
  • the upper housing part 5 has two lateral housing sections 7. On a side housing portion 7 of the upper housing part 5, light indicators 8, connecting elements 9 and a sounder 10 are arranged.
  • the FIG. 2 shows a first embodiment of the invention as a hazard detector 11, which on the in the FIG. 1 illustrated standard hazard detector 1 based.
  • This has an adjusting device 12 with two pivotable cover flaps 13 as cover 14 for the passage openings 3 of the detector housing 2.
  • the two cover flaps 13 are in the FIG. 2 shown in the non-use position of the detector 11.
  • the cover 14 and the two cover flaps 13 of the adjusting device 12 are movably guided on the detector housing 2 at the top of the two lateral housing sections 7 of the upper housing part 5 and between the in the FIG. 2 shown Fish raveswolf and one in the FIG. 3 illustrated operating position of the detector 11 by a in the FIG. 5 shown actuator 27 movable back and forth.
  • the covering element 14 formed by the cover flaps 14 completely covers the middle housing section 6 of the upper housing part 5, thus insulating the passage openings 3 from the room air surrounding the hazard detector 11.
  • an effective protection against contamination is given.
  • a radio antenna 15 is connected at one of the connection elements 9 of a lateral housing section 7.
  • an infrared eye 16 is also arranged.
  • the radio antenna 15 and the infrared eye 16 are connected to one in the FIG. 5 visible evaluation / control unit 17 connected, so that the danger detector is remotely operable and preferably networked.
  • FIG. 3 shows the hazard detector 11 FIG. 2 with the cover flaps 13 in an operating position of the detector 11.
  • the two cover flaps 13 are completely folded away from the central housing section 6 of the upper housing part 5 having the passage openings 3.
  • the ambient air surrounding the hazard detector 11 unhindered by the passage openings 3 in the in the FIG. 4 Visible detection space 18 flow and are detected there by the sensor unit 19.
  • an additional temperature sensor 29 for detecting the temperature of the room air located outside of the detection space 18 is arranged in one of the two lateral housing sections 7 next to the infrared eye 16. This can detect this temperature both in the operating position as well as in the non-operating position.
  • FIG. 4 shows the hazard detector 11 according to the FIG. 2 in a sectional view.
  • the arranged in the central housing portion 6 of the upper housing part 5 detection space 18 and the associated sensor unit 19 can be clearly seen.
  • the FIG. 5 illustrates the drive of the two cover flaps 13 of the danger detector 11.
  • the two cover flaps 13 are independently driven by an electric drive motor 20 each. This is controlled by the evaluation / control unit 17, which is arranged on an electrical circuit board 21 together with the drive motors 20 in the second lateral housing section 7 of the upper housing part 5.
  • the evaluation / control unit 17 which is arranged on an electrical circuit board 21 together with the drive motors 20 in the second lateral housing section 7 of the upper housing part 5.
  • the infrared eye 16 is connected to the circuit board 21, the infrared eye 16 is connected.
  • the two Abdeccklappen 13 have bearings 22 in the region of the two lateral housing sections 7 of the upper housing part 5.
  • bearing journals 23 are provided, which are each received in a cup-shaped bearing 28 and engage with an angular end in a polygonal recess of the cover flaps 13.
  • the drive axle of the two drive motors 20 is in each case provided with a driven worm drive wheel 24, which meshes with a respective drive pinion gear 25 arranged on the bearing journal 23.
  • the driven worm drive wheel 24 no particular, in particular no symmetrical mounting of the two caps 13 is required because each of the cover flaps 13 when activating the drive motors 20 moves to the end stop and thus occupies a defined position, that is automatically adjusted.
  • an additional temperature sensor 29 for detecting the temperature of the danger detector 11 surrounding ambient air. This does not determine the temperature of the room air in the detection space 18, but the outside thereof.
  • the temperature sensor 29 is covered neither in the non-operating position nor in the operating position of the cover tabs 13, so that in both positions, the temperature of the ambient air is detected.
  • the FIG. 6 shows a second embodiment of the invention as a danger detector 31.
  • the illustrated hazard detector 31 has an adjusting device 12 with a rotatable cap 32 as a cover 14 of the detector housing 2.
  • the FIG. 6 represents the cap 32 in the non-operational position of the detector 31.
  • the cap 32 is rotatably connected to the detector housing 2. It is, like the cover flap 13 of the danger detector 11, the middle housing section 6 arranged outside and encompassing the detector housing 2 and releasably connected to the upper housing part 5 of the detector housing 2.
  • the cap 32 in turn has a cover cap 32 and / or cross guard member 33 which is immovably releasably connected to the detector housing 2 in its central housing portion 6 of the upper housing part 5.
  • the guard member 33 has, like the FIG. 7 illustrates a plurality of the passage points 26 of the cap 32 associated hood recesses 34. These correspond in their geometry to the size of the passage points 26 of the cap 32.
  • the cap 32 covers in the non-operating position, the hood recesses 34 of the guard member 33 of the detector housing 2 at least partially from the inside. It closes this at least partially, preferably completely.
  • the cap 32 also conceals the passage openings 3 of the detector housing 2 proportionally.
  • the cap 32, the hood recesses 34 completely close or completely or partially free.
  • the danger detector 31 like the danger detector 11, has a radio antenna 15 (not shown in the figure), an infrared eye 16 and an evaluation / control unit 17, via which it can be remotely controlled and networked. Furthermore, located on one of the two side housing sections 7 in addition to the infrared eye 16, an additional temperature sensor 29 for detecting the temperature of the room air in the non-operating state.
  • FIG. 7 illustrates the danger detector 31 from FIG. 6 , with the Abdecckappe 32 in an operating position of the detector 31.
  • the passages 26 of the cap 32 are aligned with the Haubenausnaturalungen 34 of the guard member 33 so that the ambient air surrounding the danger detector 31 through the passage openings 3 in the inner detection space 18 of the danger detector 31st can get.
  • the drive is shown with actuator 27 of the hazard detector 31.
  • Only a single drive motor 20 is provided, which has an angle gear 35 with an output gear 36.
  • For rotating drive of the cap 32 has this at a lower edge 37 inside a circumferential drive sprocket 38.
  • the guard member 33 is releasably locked to the upper housing part 5 of the detector housing 2 and can be easily removed from this and connected to this again.
  • the covering cap 32 can likewise be removed from the middle housing section 6 of the upper housing part 5.
  • the cap acting as a cover 14 cap 32 couples when connecting to the detector housing 2 independently with the actuator 27 and also automatically decoupled from the actuator 27 during the removal of the detector housing. 2

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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 Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)

Claims (12)

  1. Avertisseur de danger (11, 31), avec un boîtier d'avertisseur (2) pouvant être installé sur un mur ou un plafond et dans lequel sont disposées au moins une chambre intérieure de détection (18), au moins une unité de capteur (19) ainsi qu'une unité d'évaluation/commande (17), sachant que le boîtier d'avertisseur (2) présente au moins une ouverture de passage (3) pour l'air ambiant du local, laquelle débouche dans la chambre de détection (18), de sorte que l'air du local peut entrer dans la chambre de détection (18) qui est détectée par l'unité de capteur (19), et en sortir, et avec un dispositif de réglage mécanique (12) pour modifier la section active de l'ouverture de passage (3) au moins unique, sachant que le dispositif de réglage (12) présente au moins un élément de recouvrement (14) pour l'ouverture de passage (3) au moins unique, élément qui est fixé sur le boîtier d'avertisseur (2) en étant guidé en déplacement et qui peut être déplacé entre une position d'action et une position d'inaction et vice-versa par un actionneur (27), sachant que l'élément de recouvrement (14) recouvre l'ouverture de passage (3) au moins unique dans la position d'inaction et ferme ainsi la chambre de détection (18) vis-à-vis de l'air du local entourant l'avertisseur de danger (1), et découvre l'ouverture de passage (3) au moins unique dans la position d'action, caractérisé en ce qu'un moteur d'entraînement électrique (20) déplace l'actionneur (27), sachant que le moteur d'entraînement (20) est relié à l'unité d'évaluation/commande (17), qui commande le moteur d'entraînement (20) et détermine la position de l'élément de recouvrement (14) au moins unique pour la position d'action et la position d'inaction, et sachant que l'unité d'évaluation/commande (17) peut être commandée à distance et présente une liaison par fil, un module de réception radio ou un module de réception infrarouge, par l'intermédiaire duquel le moteur d'entraînement (20) peut être activé et désactivé.
  2. Avertisseur de danger selon la revendication 1, caractérisé en ce que l'élément de recouvrement (14) ferme totalement l'ouverture de passage (3) au moins unique et la chambre de détection (18) dans la position d'inaction, et les découvre au moins partiellement dans la position d'action.
  3. Avertisseur de danger selon la revendication 1 ou 2, caractérisé en ce que l'élément de recouvrement (14) au moins unique est relié à pivotement au boîtier d'avertisseur (2) et présente au moins un volet de recouvrement (13) pour l'ouverture de passage (3) au moins unique.
  4. Avertisseur de danger selon la revendication 1 ou 2, caractérisé en ce que l'élément de recouvrement (14) au moins unique est relié à rotation au boîtier d'avertisseur (2) et présente au moins une coiffe de recouvrement (32) pour l'ouverture de passage (3) au moins unique.
  5. Avertisseur de danger selon l'une des revendications précédentes, caractérisé en ce que l'élément de recouvrement (14) au moins unique est d'une forme adaptée au moins sectoriellement à une région de contour du boîtier d'avertisseur (2) qui présente l'ouverture de passage (3) au moins unique.
  6. Avertisseur de danger selon l'une des revendications précédentes, caractérisé en ce que l'élément de recouvrement (14) au moins unique présente au moins un point de passage (26), associé à l'ouverture de passage (3) au moins unique, pour l'air ambiant du local.
  7. Avertisseur de danger selon l'une des revendications précédentes, caractérisé en ce que l'élément de recouvrement (14) au moins unique est disposé extérieurement sur le boîtier d'avertisseur (2) et est relié de manière amovible au boîtier d'avertisseur (2).
  8. Avertisseur de danger selon l'une des revendications précédentes, caractérisé en ce que l'élément de recouvrement (14) au moins unique peut être accouplé de manière amovible à l'actionneur (27).
  9. Avertisseur de danger selon la revendication 8, caractérisé en ce que l'élément de recouvrement (14) s'accouple automatiquement avec l'actionneur (27) lorsqu'il est relié au boîtier d'avertisseur (2), et se désaccouple automatiquement de l'actionneur (27) lorsqu'il est enlevé du boîtier d'avertisseur (2).
  10. Avertisseur de danger selon l'une des revendications précédentes 3 à 9, caractérisé en ce que l'élément de recouvrement (14) au moins unique est relié à rotation au boîtier d'avertisseur (2) et présente un élément de capot de protection (33) qui engage tout autour et/ou par le dessus l'élément de recouvrement (14) au moins unique et qui est relié sans possibilité de déplacement de manière amovible au boîtier d'avertisseur (2), sachant que l'élément de capot de protection (33) présente au moins un évidement de capot (34) associé à un point de passage (26) de la coiffe de recouvrement (32).
  11. Avertisseur de danger selon la revendication 10, caractérisé en ce que l'élément de recouvrement (14) au moins unique ferme totalement l'évidement de capot (34) au moins unique dans la position d'inaction et le découvre au moins partiellement dans la position d'action.
  12. Avertisseur de danger selon l'une des revendications précédentes, caractérisé en ce qu'une sonde de température (29) est disposée à côté de l'élément de recouvrement (14) au moins unique, sonde qui, au moins dans la position d'inaction de l'élément de recouvrement (14), enregistre la température de l'air du local entourant l'avertisseur de danger (1).
EP17156501.3A 2017-02-16 2017-02-16 Avertisseur de danger comprenant une ouverture de passage d'air pouvant être recouverte Active EP3364389B1 (fr)

Priority Applications (3)

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EP17156501.3A EP3364389B1 (fr) 2017-02-16 2017-02-16 Avertisseur de danger comprenant une ouverture de passage d'air pouvant être recouverte
HUE17156501 HUE044839T2 (hu) 2017-02-16 2017-02-16 Veszélyjelzõ készülék letakarható légáteresztõnyílással
PCT/EP2018/053071 WO2018149713A1 (fr) 2017-02-16 2018-02-07 Avertisseur de danger à ouverture d'aération pouvant être recouverte

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EP17156501.3A EP3364389B1 (fr) 2017-02-16 2017-02-16 Avertisseur de danger comprenant une ouverture de passage d'air pouvant être recouverte

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CN116973542A (zh) * 2023-09-21 2023-10-31 山东道成泰和智能科技有限公司 一种探头区域可封闭的高精度五合一气体探测器

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Publication number Priority date Publication date Assignee Title
CH648943A5 (de) 1980-05-09 1985-04-15 Cerberus Ag Rauchmelder.
US4540980A (en) * 1982-08-16 1985-09-10 Daniel Porco Portable security alarm
US7262705B2 (en) * 2003-08-05 2007-08-28 Back Denis L Recessed detector assembly for detecting and venting airborne substances
DE20318331U1 (de) 2003-11-25 2004-02-26 Job Lizenz Gmbh & Co. Kg Rauchmelder
US20070171084A1 (en) * 2004-03-10 2007-07-26 Potter David E Personal safety device
DE102004029242B4 (de) 2004-06-17 2008-04-03 Job Lizenz Gmbh & Co Kg Gefahrenmelder

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HUE044839T2 (hu) 2019-11-28
WO2018149713A1 (fr) 2018-08-23

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