EP2879104B1 - Dispositif auxiliaire pour un détecteur de danger configuré sous forme de détecteur ponctuel pour la surveillance du fonctionnement du détecteur de danger, agencement et utilisation d'un tel dispositif - Google Patents

Dispositif auxiliaire pour un détecteur de danger configuré sous forme de détecteur ponctuel pour la surveillance du fonctionnement du détecteur de danger, agencement et utilisation d'un tel dispositif Download PDF

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Publication number
EP2879104B1
EP2879104B1 EP13194735.0A EP13194735A EP2879104B1 EP 2879104 B1 EP2879104 B1 EP 2879104B1 EP 13194735 A EP13194735 A EP 13194735A EP 2879104 B1 EP2879104 B1 EP 2879104B1
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EP
European Patent Office
Prior art keywords
alarm
light
hazard
detector
hazard 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.)
Active
Application number
EP13194735.0A
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German (de)
English (en)
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EP2879104B2 (fr
EP2879104A1 (fr
Inventor
Beat Schmid
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.)
Siemens Schweiz AG
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Siemens Schweiz AG
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Application filed by Siemens Schweiz AG filed Critical Siemens Schweiz AG
Priority to EP13194735.0A priority Critical patent/EP2879104B2/fr
Priority to US14/554,420 priority patent/US9390605B2/en
Priority to CN201410696413.8A priority patent/CN104680703B/zh
Publication of EP2879104A1 publication Critical patent/EP2879104A1/fr
Application granted granted Critical
Publication of EP2879104B1 publication Critical patent/EP2879104B1/fr
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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
    • 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
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/043—Monitoring of the detection circuits of fire detection circuits

Definitions

  • the invention relates to an additional device for a trained as a point detector hazard detector for monitoring the function of the danger detector.
  • the danger detector is in particular a smoke detector or smoke gas detector.
  • the invention relates to an arrangement of a trained as a point detector hazard detector and a structurally and / or connection technology adapted thereto, attached to the hazard alarm accessory.
  • the invention relates to a use of such an accessory device for monitoring the environment of the danger detector on flow-shielding objects, for monitoring at least one inlet opening of the hazard alarm for contamination and, where appropriate, for monitoring the function of an acoustic alarm transmitter of the hazard alarm.
  • a device which has a mounting base and a detachably attachable thereto smoke detector.
  • an ultrasonic transmitter and an opposing ultrasonic receiver are mounted so that at least a part of the smoke detector, such as the smoke chamber, intervenes.
  • a change in the shape of the smoke detector such as by covering with a plastic bag, produces a different modulation or profile of the spatially emitted ultrasonic energy. This change can be detected locally and used to generate an indication of an obstacle.
  • ultrasonic energy is directed to the smoke inlet opening area of a smoke detector, so that a portion of this energy through the smoke chamber in the smoke detector goes through and exits again. This part of the ultrasound energy is then detected in spatially modulated form by a receiver opposite the transmitter.
  • the considered hazard detectors are preferably smoke detectors, smoke detectors or smoke detectors.
  • Such danger detectors typically have an optical detector unit operating according to the scattered light principle for the detection of smoke particles. Alternatively or additionally, they may have a detector unit operating according to the acoustooptic principle or a gas sensor for detecting flammable gases. Furthermore, such danger detectors may have a temperature sensor for detecting inadmissibly high temperatures in the vicinity of the hazard alarm.
  • the hazard detector considered can be connected via a common detector line or detector line, in particular via a two-wire line, signal and / or data technology with a security alarm center. They may alternatively or additionally be an autonomous power supply, such as a battery. Furthermore, such hazard alarms may have a radio module for transmitting an alarm message, a warning message or status information to an adjacent hazard detector or to a security alarm center. They can also be set up for forwarding an alarm message, warning message or status information transmitted by a neighboring danger detector to a neighboring danger detector or to a danger control center in the sense of a routing.
  • the object of the invention is achieved by an additional device for a trained as a point detector hazard detector.
  • the additional device is a separate, attachable to the hazard alarm and provided for monitoring the function of the hazard alarm unit.
  • the device has a plurality of transmitting and receiving units distributed around the danger detector in the circumferential direction, wherein the transmitting and receiving units are arranged in a side outer area of the danger detector remote from the danger detector for the detection of objects in the environment of the danger detector.
  • the device has an evaluation unit connected thereto, wherein the evaluation unit is configured to control the respective transmitting units for emitting a signal into the environment of the hazard detector, temporally evaluate a respective signal originating from the receiving units, reflected from objects in the vicinity of the hazard alarm, and to output a first message if a detected object within a predetermined Distance is around the hazard detector and when the reflected signal exceeds a predetermined minimum level.
  • a conventional hazard detector in particular a smoke detector, which has no automatic function monitoring on flow-shielding objects in its environment, can be retrofitted to this function subsequently.
  • a first message can be issued. This can e.g. by controlling an optical and / or acoustic display unit on the additional device itself and / or by radio to a higher-level alarm panel done.
  • the transmitting units and / or receiving units are preferably distributed uniformly in the circumferential direction.
  • the device has a central receptacle, in particular a base, for receiving the danger detector.
  • the danger detectors designed as point detectors are designed for, in particular, detachable mounting on a pedestal or detector base. This simplifies the assembly effort considerably.
  • the additional device forms a structurally and, if appropriate, connection technology-compatible detector base.
  • connection technology is meant that an electrical contact takes place with detector contacts of the recorded danger detector.
  • smoke detection hazard detectors used in the commercial sector are not set up to emit an audible alarm. Rather, they are designed for operation on a common detector line or detector line, in particular on a two-wire line. Signaling and / or data transmission via this detector line then results in the transmission of an alarm determined by the hazard alarm or a warning to a connected higher-level alarm control panel.
  • This detector line which is also referred to as a detector bus, is also the electrical energy supply of the connected hazard detector.
  • Such danger detectors are usually also referred to as smoke detectors in contrast to smoke detectors with audible alarm output in non-commercial area according to the standard DIN 14676.
  • the additional device according to the invention can have the function of a danger warning center or act as a danger control center.
  • an electrical power supply of the recorded danger detector can be done by the contacted additional device.
  • the additional device may have a constructive and, if appropriate, connection technically compatible base receptacle in order to fasten the additional device to a detector base for simplified installation.
  • the additional device has both a pedestal or detector base for a danger detector to be picked up and a preferably opposite base receptacle for mounting the additional device to a pedestal, then such an additional device can also be referred to as a "base”.
  • the additional device according to the invention is ring-shaped or ring-segment-shaped or polygonal. Such an additional device can therefore also be referred to as an additional ring.
  • the attachment is slightly “over” in the lateral direction, e.g. in a range of 1 cm to 5 cm. With “sideways" directions are here designated away from a constructive main axis of the recorded danger detector. Since most of the known hazard detectors are designed essentially rotationally symmetrical, the additional device preferably also extends in the radial direction beyond the outer lateral dimensions of the danger detector, such as e.g. in a range of 1 cm to 5 cm. In this case, hazard alarms and additional equipment have a common constructive main axis or axis of symmetry.
  • the device for lateral enclosure of the danger detector is formed.
  • the device can be placed on the already mounted danger detector without covering it.
  • the inner contour of the auxiliary device is matched to the lateral outer contour of the laterally bordered danger detector.
  • the evaluation unit can also be set up to weight the respective received reflected signals. Reflected signals from objects closer to the hazard detector may be weighted higher than objects at the edge of the monitored environment.
  • the evaluation unit is configured to output the first message only when an object is permanently detected within the monitored environment. With “permanent” a minimum time of presence of several minutes, hours or days is meant.
  • the at least one transmitting unit is an optical transmitting unit, such as e.g. an LED, in particular an infrared light emitting LED, and the at least one receiving unit, an optical receiving unit, in particular a spectrally sensitive photodiode. Both units can be combined to form a unit.
  • an optical transmitting unit such as e.g. an LED, in particular an infrared light emitting LED
  • the at least one receiving unit an optical receiving unit, in particular a spectrally sensitive photodiode. Both units can be combined to form a unit.
  • the at least one transmitting unit may be an acoustic transmitting unit, such as e.g. an ultrasound transmitter, and the at least one receiver unit is an acoustic receiver unit, in particular an ultrasound receiver. Both units can also be combined to form a unit as an ultrasonic transceiver.
  • an acoustic transmitting unit such as e.g. an ultrasound transmitter
  • the at least one receiver unit is an acoustic receiver unit, in particular an ultrasound receiver. Both units can also be combined to form a unit as an ultrasonic transceiver.
  • the at least one transmitting unit may be a microwave transmitter and the at least one receiving unit may be a microwave receiver. Both units can also be combined to form a radar unit.
  • the at least one transmitting unit may be an acoustic transmitting unit, such as e.g. an ultrasound transmitter, and the at least one receiver unit is an acoustic receiver unit, in particular an ultrasound receiver. Both units can also be combined to form a unit as an ultrasonic transceiver.
  • an acoustic transmitting unit such as e.g. an ultrasound transmitter
  • the at least one receiver unit is an acoustic receiver unit, in particular an ultrasound receiver. Both units can also be combined to form a unit as an ultrasonic transceiver.
  • the at least one transmitting unit may be a microwave transmitter and the at least one receiving unit may be a microwave receiver. Both units can also be combined to form a radar unit.
  • the device has an optical scanning device for one or more inlet openings of a recorded or enclosed danger detector. It also has an associated, i. a data or signal technically associated evaluation on.
  • the evaluation unit is set up to output a second message in the event of a detected impermissible contamination.
  • the scanning is carried out by optical means and in particular with infrared light. The optical scanning of the inlet opening takes place outside the recorded danger detector, i. from the outside.
  • the optical scanning device has a light transmitter, in particular an infrared LED, for emitting a highly focused light beam.
  • the light transmitter is oriented such that its light beam passes through the at least one inlet opening at a small distance.
  • low is preferably meant a distance to the inlet opening in the range of 1 mm to 10 mm.
  • the optical scanning device furthermore has a light receiver, in particular a photodiode for infrared light. It is provided and aligned for receiving stray light from contaminants from the region of the at least one inlet opening.
  • the evaluation unit connected to the light transmitter and light receiver is set up to output a second message if a received signal originating from the light receiver exceeds a predetermined minimum level. In other words, the second message is output when sufficient stray light is detectable by the pollution in front of the inlet opening.
  • the optical scanning device can have a plurality of light transmitters, in particular infrared LEDs, in each case for emitting a strongly focused light beam.
  • the respective light emitter is oriented in such a way that its light beam passes through at least one inlet opening at a small distance.
  • low is preferably again meant a distance to the inlet opening in the range of 1 mm to 10 mm.
  • the optical scanning device has a plurality of light receivers, in particular photodiodes sensitive to infrared light, for receiving stray light from contaminants from the region of the at least one inlet opening.
  • the evaluation unit connected to the light transmitters and light receivers is configured to evaluate the received signals originating from the respective light receivers and to output a second message if the result of the evaluation exceeds a predetermined comparison value. This advantageously avoids the output of the second message if only one received signal exceeds a minimum level. Preferably, the second message is only output if half or the majority of the available received signals exceeds the minimum level.
  • the device has a contact-based and / or wireless communication interface for data communication between a control unit of the recorded danger detector and an evaluation unit of the additional device.
  • the contact-based communication interface can also be an existing interface of a hazard alarm, which is for contacting the hazard alarm via its detector contacts on a detector line or on a Detector bus are provided.
  • the contact-type interface can also be a separate interface, which contacts corresponding mating contacts of the additional device after attaching the danger detector to the additional device.
  • the wireless communication interface may e.g. a so-called NFC interface (for Near Field Communication), which allows data transmission on inductively coupled paths to and from another NFC interface in the recorded danger detector in the range of a few centimeters.
  • NFC interface for Near Field Communication
  • the wireless communication interface may e.g. a so-called NFC interface (for Near Field Communication), which allows data transmission on inductively coupled paths to and from another NFC interface in the recorded danger detector in the range of a few centimeters.
  • NFC interface for Near Field Communication
  • the device has a plurality of distributed light emitters for emitting in each case a light beam.
  • the respective light beam is directed to the at least one inlet opening of a recorded or enclosed danger detector.
  • the light beam is preferably from an infrared LED.
  • the evaluation unit for driving the light emitter is connected and adapted to issue a second message, if a transmitted from the danger detector via the communication interface light reception signal, which comes from a light receiver inside the danger detector, falls below a predetermined value.
  • the light receiver is inside the danger detector at the same time provided for the scattered light smoke detection light receiver. This advantageously makes it possible to check the permeability of the at least one entry opening in the danger detector.
  • the device has an acoustic alarm and / or an alarm flasher.
  • the evaluation unit is set up to receive an alarm signal output by the recorded or enclosed danger detector via the communication interface in order to trigger the acoustic alarm transmitter and / or alarm flasher in the event of an alarm.
  • the communication interface may e.g. be an existing interface of a hazard alarm, which are provided for contacting the danger detector via the detector contacts on a detector line or on a detector bus.
  • the additional device further comprises means for audible or electrical verification of the acoustic alarm and / or means for optical inspection of the alarm strobe.
  • the means then be a microphone whose output microphone signal is checked by the evaluation unit for the presence of a predetermined audio frequency and volume level.
  • the means may be an electrical signal detector which checks for the presence of electrical stimulus signals to the audible alarm.
  • the means may be one of the environmental monitoring optical receiving units or one of the pollution monitoring light receivers.
  • the device is set up to monitor the audible alarm and / or the alarm flasher repeatedly for its functionality, such as e.g. weekly, monthly, quarterly, etc.
  • the evaluation unit is set up to issue a third message if the functional check of the acoustic alarm device and / or the alarm flasher has failed.
  • the auxiliary device has a radio module, a motion detector, a flue gas sensor, a temperature sensor, a loudspeaker, an acoustic alarm, an alarm flashlight, an emergency lighting and / or a battery.
  • the object of the invention is further achieved by an arrangement of a trained as a point detector hazard detector and from a structurally and / or connection technology adapted thereto, attached to the hazard alarm according to the invention additional device.
  • an inventive additional device for monitoring the environment of the danger detector on strömungsableende objects, for monitoring at least one entrance of the hazard alarm for contamination and, where appropriate, to monitor the function of an acoustic alarm and / or alarm flasher of the hazard alarm.
  • the danger detector is then a smoke detector.
  • FIG. 1 shows an example of a first and second embodiment of an arrangement A1, A2 from an additional device R1, R2 and from a recorded danger detector M according to the invention in a side view.
  • the danger detector M shown is designed as a point detector and in the present example a smoke detector.
  • the hazard detector M is structurally designed for attachment to the additional device R1, R2 shown.
  • Both arrangements A1, A2 differ only in that the respectively associated additional device R1, R2 according to the invention is designed to be mounted on a base or to a baseless mounting on the ceiling D shown is.
  • the different arrangements A1, A2 are in detail in the figures 3 to FIG. 5 shown.
  • the additional device R1, R2 is a separate unit which can be attached to the danger detector M and is provided for monitoring the function of the danger detector M.
  • the additional device R1, R2 shown has, for example, five transmitting units S and five receiving units E (see FIG FIG. 2 ) for the detection of objects OB in the vicinity of the hazard detector M.
  • a rod-shaped object OB is detected within a predetermined hemispherical monitoring area UR around the hazard detector M.
  • the transmitting units S send signals in the environment of the danger detector (symbolized by arrows).
  • the signals reflected on the rod-shaped object OB are detected by the receiving units E.
  • An evaluation unit which is not shown in this illustration, then determines on the basis of the reflected signals whether the detected object lies within the monitoring area UR and whether it is suitable for effecting a flow shielding of the danger detector with regard to smoke detection.
  • the transmitting units S and receiving units E are ultrasound transmitters and ultrasound receivers.
  • Transmitter and receiver can also be combined to form a unit as an ultrasonic transceiver.
  • FIG. 2 shows the example according to FIG. 1 in a top view. It shows a uniformly distributed arrangement of the light emitter S and light receiver E in the circumferential direction of the recorded danger detector M. This allows a nearly complete monitoring of the environment of the danger detector M possible.
  • FIG. 3 shows the exemplary first embodiment of the inventive arrangement A1 according to FIG. 1 in a detailed view and in an exploded view.
  • a known per se Meltersockel SO which simplifies the installation of hazard alarms on a ceiling D.
  • an additional device R1 according to the first embodiment is shown, which already allows a base receptacle SA for attaching the attachment R1 to the base SO.
  • the additional device R1 on its opposite side on a central recording, which structurally corresponds to the overlying detector base SO.
  • smoke detectors M are mounted both directly on the upper base SO and on the additional device R1.
  • the additional device R1 according to the invention can thus also be referred to as "base” according to the English technical term for such devices.
  • the attachment R1 has a cylindrical or cylindrical-conical shape.
  • FIG. 4 shows the example according to FIG. 3 in the ready state of the inventive arrangement A1.
  • the additional device R1 monitors the environment around the recorded danger detector M on flow-shielding objects OB.
  • FIG. 4 RA is a remote from the danger detector M lateral outer area referred to, which goes a few inches beyond the lateral outer contour AM of the recorded danger detector M.
  • AR of the radial outer edge of the attachment R1 is designated.
  • BAT batteries are designated, which are provided for the power supply of the accessory R1. They also serve to supply energy to the recorded danger detector M via not-shown detector contacts in the detector base SO.
  • FIG. 5 shows the exemplary second embodiment of the inventive arrangement A2 according to FIG. 1 in a detailed view and in an exploded view.
  • the base mount SA for attaching the accessory R2 for example, on the ceiling.
  • FIG. 6 shows the example according to FIG. 4 and FIG. 5 in a plan view and in a common representation.
  • KS1 denotes a first communication interface which advantageously corresponds to a detector interface already provided when the smoke detector M is received.
  • a data transmission between the evaluation unit of the additional device R1, R2 and a control unit of the smoke detector M is possible via this.
  • an electrical energy supply of the recorded smoke detector M through the additional device R1, R2 is possible via this interface KS1.
  • FIG. 7 shows an example of a third embodiment of an arrangement A3 of an additional device R3 and a framed danger detector M.
  • the attachment R1 is now formed as a ring for lateral enclosure of the hazard detector M.
  • the inner contour of the annular additional device R3 is matched to the lateral outer contour AM of the enclosed danger detector M.
  • FIG. 8 shows the example according to FIG. 7 in a top view.
  • the ring shape of the exemplary additional device R3 is particularly clearly visible.
  • the FIG. 8 further shows a series of batteries for powering the attachment R3.
  • the additional device R3 and the enclosed danger detector M can each have a wireless communication interface KS2.
  • data transfer between the evaluation unit of the additional device R3 and a control unit of the smoke detector M is possible via this wireless communication interface KS2.
  • an electrical power supply of the recorded smoke detector M through the additional device R3 is possible via this interface KS2 on inductively coupled paths.
  • both in the additional device R3 and in the recorded danger detector M each have a circular Be arranged coil, which are preferably concentric with each other.
  • the respective coils can be realized in the form of printed conductors on a respective circuit carrier of the additional device and of the danger detector M.
  • FIG. 9 shows a further example of a first embodiment of the arrangement A1 with a first variant of contamination monitoring according to the invention.
  • the additional device R1 shown has an optical scanning device SV, EV for an entrance opening OF of the recorded danger detector M and an evaluation unit SER not shown further thereto.
  • the evaluation unit is set up to output a second message M2 in the event of a detected impermissible contamination V.
  • the device has a plurality of light emitters SV arranged distributed to emit in each case a light bundle, which is directed to the at least one inlet opening OF.
  • the evaluation unit is connected to the light emitters SV for driving the light emitters SV and also configured to emit a second message M2, if a transmitted from the hazard detector M via the communication interface light reception signal, which comes from a light receiver SV inside the hazard detector M, a predetermined value below.
  • the incoming light in the inlet opening OF encounters a contamination V, so that not enough light reaches the arranged inside the danger detector M light receiver EV.
  • the second message is suppressed when half or more of the intended receive signals at the light receivers EV exceed the minimum level.
  • FIG. 10 shows a further example of a first embodiment of the arrangement A1 with a second variant of contamination monitoring according to the invention.
  • the optical scanning device SEV has a plurality of light emitters SV each for emitting a highly focused light beam, wherein the respective light emitter SV is aligned such that its light beam passes at least one inlet opening OF at a small distance.
  • the light transmitter SV is an infrared LED or an infrared laser diode.
  • the optical scanning device SEV also has a plurality of light receivers EV for receiving stray light of contaminants V from the region of the at least one inlet opening OF.
  • the evaluation unit is signal-technically connected to the light transmitters SV and light receivers EV. It is also set up to evaluate the received signals coming from the respective light receivers EV and to output a second message M2 if the result of the evaluation exceeds a predetermined comparison value.
  • a light transmitter and a light receiver are each realized as a common component SEV.
  • FIG. 11 shows an exemplary functional scheme for all arrangements A1-A3 from an exemplary accessory R1-R3 with a number of possible expansion modules and from a hazard detector M according to the invention.
  • the inventive additional device R1-R3 typically has a microcontroller as the evaluation unit SER. It also typically includes a number of digital and analog input and output channels.
  • the attachment R1-R3 may e.g. have a radio module FM, which is connected via a communication bus to the evaluation unit. Via this, the first to third messages M1-M3 can be output, e.g. to a higher level alarm center. Conversely, e.g. Changes to the firmware of the evaluation unit SER are made or adjusted operating parameters.
  • the additional device R1-R3 may have a manual button on the outside for testing the attachment R1-R3 or the connected hazard detector M.
  • the attachment R1-R3 may comprise a motion detector, e.g. to detect the presence of persons. Possibly.
  • an alarm message may be issued via the radio module FM when the option R1-R3 is in a burglar monitoring mode, such as a burglar. using the manual button.
  • the additional device R1-R3 may further comprise a microphone for monitoring an audible alarm.
  • the microphone can also be used for room monitoring in the sense of a "baby monitor”.
  • the attachment R1-R3 may also include a camera. This can be used as a receiving unit for the detection of flow-shielding objects in the environment of the hazard detector, such as e.g. by comparing previous recordings.
  • the additional device R1-R3 may have a CO gas detector. When detecting increased CO values, an alarm or warning message can then be output.
  • the attachment R1-R3 may also include a temperature sensor. It can also be issued in the case of a detected high temperature an alarm message.
  • the additional device R1-R3 may have a speaker for output of stored voice messages in case of alarm.
  • a message "Please remove objects in the area of the danger detector”, "Please remove contamination at the hazard detector” or "Have the danger monitor checked” must be output.
  • the inventive additional device R1-R3 may have emergency lighting. This can have several white LEDs. It can e.g. in the event of a fire, the emergency lights are turned on at night during the night.
  • a hazard detector M In the right part of the FIG. 11 schematically the structure of a hazard detector M is shown. With SEM, the control unit of the hazard alarm M is designated. It is also typically a microcontroller.
  • the danger detector M can eg have a battery BAT for self-sufficient energy supply. Alternatively or additionally, a contact-type battery interface BS can be present, via which the hazard detector M can be supplied with energy after attachment to the additional device R1-R3.
  • the danger detector M is a smoke detector for operation on a detector line typically in the commercial sector, an acoustic alarm transmitter symbolized as a loudspeaker and a button for testing the smoke detector are not available.
  • the additional device R1-R3 can advantageously expand a smoke detector provided for fire detection in the commercial sector and for operation on a detector line or on a detector bus to include the functionality of automated environmental monitoring on flow-shielding objects as well as contamination monitoring of the inlet openings of the smoke detector.

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  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
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Claims (13)

  1. Dispositif auxiliaire pour un détecteur de danger (M) configuré sous forme de détecteur ponctuel, le dispositif étant un module séparé pouvant être monté sur le détecteur de danger (M) et prévu pour la surveillance de la fonction du détecteur de danger (M), le dispositif présentant plusieurs unités émettrices et réceptrices (S, E, SE) réparties dans le sens du pourtour autour du détecteur de danger (M), les unités émettrices et réceptrices (S, E, SE) étant agencées dans une zone extérieure latérale (RA) du détecteur de danger (M) distante du détecteur de danger (M) pour la détection d'objets (OB) dans l'environnement du détecteur de danger (M) et le dispositif présentant une unité d'évaluation (SER) qui y est reliée, l'unité d'évaluation étant configurée pour :
    - commander les unités émettrices respectives (S) pour émettre un signal dans l'environnement du détecteur de danger (M) ;
    - évaluer dans le temps un signal respectif provenant des unités réceptrices (E) et réfléchi au niveau d'objets (OB) dans l'environnement du détecteur de danger (M) et
    - émettre un premier message (M1) lorsqu'un objet détecté (OB) se trouve dans les limites d'une distance donnée autour du détecteur de danger (M) et lorsque le signal réfléchi dépasse un niveau minimum donné.
  2. Dispositif selon la revendication 1, les unités émettrices (S) étant des unités émettrices optiques, sonores ou de type radio, et plus particulièrement à base d'ultrasons, de lumière infrarouge ou de microondes, et les unités réceptrices (E) étant une unité réceptrice optique, sonore ou de type radio, et plus particulièrement à base d'ultrasons, de lumière infrarouge ou de microondes.
  3. Dispositif selon la revendication 1 ou 2, le dispositif comportant un dispositif de balayage optique (SEV, SV, EV) pour un ou plusieurs orifices d'entrée (OF) d'un détecteur de danger (M) logé ou enchâssé ainsi qu'une unité d'évaluation (SER) qui y est reliée et l'unité d'évaluation (SER) émettant un deuxième message (M2) en cas de salissure (V) non autorisée détectée.
  4. Dispositif selon la revendication 3, le dispositif de balayage optique (SEV) comportant un émetteur de lumière (SV) pour émettre un rayon lumineux fortement concentré, l'émetteur de lumière (SV) étant orienté de telle sorte que son rayon lumineux passe par l'au moins un orifice d'entrée (OF) à faible distance, le dispositif de balayage optique (SEV) comportant un récepteur de lumière (EV) pour recevoir de la lumière diffusée de salissures (V) de la zone de l'au moins un orifice d'entrée (OF) et l'unité d'évaluation (SER) reliée à l'émetteur de lumière (SV) et au récepteur de lumière (EV) étant configurée pour émettre un deuxième message (M2) si un signal de réception provenant du récepteur de lumière (EV) dépasse un niveau minimum donné.
  5. Dispositif selon la revendication 3, le dispositif de balayage optique (SEV) comportant plusieurs émetteurs de lumière (SV) respectivement pour émettre un rayon lumineux fortement concentré, l'émetteur de lumière respectif (SV) étant orienté de telle sorte que son rayon lumineux passe par l'au moins un orifice d'entrée (OF) à faible distance, le dispositif de balayage optique (SEV) comportant plusieurs récepteurs de lumière (EV) pour recevoir de la lumière diffusée de salissures (V) de la zone de l'au moins un orifice d'entrée (OF) et l'unité d'évaluation (SER) reliée aux plusieurs émetteurs de lumière (SV) et récepteurs de lumière (EV) étant configurée pour évaluer les signaux reçus provenant des récepteurs de lumière respectifs (EV) et pour émettre un deuxième message (M2) si le résultat de l'évaluation dépasse une valeur de comparaison donnée.
  6. Dispositif selon l'une des revendications précédentes, le dispositif comportant une interface de communication avec contact et/ou sans fil (KS1, KS2) pour la communication de données entre une unité de commande (SEM) du détecteur de danger logé (M) et une unité d'évaluation (SER) du dispositif auxiliaire (R1-R3).
  7. Dispositif selon la revendication 6, le dispositif comportant plusieurs émetteurs de lumière (SV) agencés de manière répartie pour émettre respectivement un faisceau lumineux qui est dirigé sur l'au moins un orifice d'entrée (OF) d'un détecteur de danger (M) logé ou enchâssé, l'unité d'évaluation (SER) étant reliée à ceux-ci pour commander l'émetteur de lumière (SV) et étant configurée pour émettre un deuxième message (M2) si un signal lumineux reçu transmis par le détecteur de danger (M) vie l'interface de communication (Kl, K2) et qui provient d'un récepteur de lumière (SV) à l'intérieur du détecteur de danger (M) tombe en dessous d'une valeur donnée.
  8. Dispositif selon la revendication 6 ou 7,
    - le dispositif comportant un émetteur d'alarme sonore et/ou un flash d'alarme ;
    - l'unité d'évaluation (SER) étant configurée pour recevoir, via l'interface de communication (K1, K2), un signal d'alarme émis, en cas d'alarme, par le détecteur de danger (M) logé ou enchâssé pour ensuite commander l'émetteur d'alarme sonore et/ou le flash d'alarme ;
    - le dispositif comportant des moyens de vérification sonore ou électrique de l'émetteur d'alarme sonore et/ou des moyens de vérification optique du flash d'alarme ;
    - le dispositif étant configuré pour surveiller répétitivement l'émetteur d'alarme sonore et/ou le flash d'alarme quant à leur capacité de fonctionnement et
    - l'unité d'évaluation (SER) étant configurée pour émettre un troisième message (M3) si le contrôle de la fonction de l'émetteur d'alarme sonore et/ou du flash d'alarme a échoué.
  9. Dispositif selon l'une des revendications 6 à 8, le dispositif comportant un module radio (FM), un détecteur de mouvement, un capteur de fumée, un capteur de température, un haut-parleur, un émetteur d'alarme sonore, un flash d'alarme, un éclairage de secours et/ou une batterie (BAT).
  10. Dispositif selon l'une des revendications 1 à 9, le dispositif comportant un logement central, et plus particulièrement un socle (SO) pour loger le détecteur de danger (M).
  11. Dispositif selon l'une des revendications 1 à 9, le dispositif étant conçu pour enchâsser latéralement le détecteur de danger (M).
  12. Ensemble composé d'un détecteur de danger (M) réalisé en tant que détecteur ponctuel et d'un dispositif auxiliaire (R1-R3), dont la construction et/ou la technique de raccordement y sont adaptés et qui est monté sur le détecteur de danger (M), selon l'une des revendications précédentes 1 à 9, selon la revendication 10 ou selon la revendication 11.
  13. Utilisation d'un dispositif auxiliaire (R1-R3) selon l'une des revendications 1 à 9, selon la revendication 10 ou selon la revendication 11, pour la surveillance de l'environnement du détecteur de danger (M) quant à des objets (OB) isolant le courant, pour la surveillance d'au moins un orifice d'entrée (OF) du détecteur de danger (M) quant à la salissure (V) ainsi que, le cas échéant, pour la surveillance de la fonction d'un émetteur d'alarme sonore et/ou flash d'alarme du détecteur de danger (M), le détecteur de danger (M) étant plus particulièrement un détecteur de fumée.
EP13194735.0A 2013-11-27 2013-11-27 Dispositif auxiliaire pour un détecteur de danger configuré sous forme de détecteur ponctuel pour la surveillance du fonctionnement du détecteur de danger, agencement et utilisation d'un tel dispositif Active EP2879104B2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP13194735.0A EP2879104B2 (fr) 2013-11-27 2013-11-27 Dispositif auxiliaire pour un détecteur de danger configuré sous forme de détecteur ponctuel pour la surveillance du fonctionnement du détecteur de danger, agencement et utilisation d'un tel dispositif
US14/554,420 US9390605B2 (en) 2013-11-27 2014-11-26 Auxiliary device for a hazard alarm constructed as a point type detector for function monitoring of the hazard alarm, and an arrangement and method of monitoring using a device of this kind
CN201410696413.8A CN104680703B (zh) 2013-11-27 2014-11-27 用于危险警报器的功能监视的构造为点型检测器的危险警报器的辅助设备及其装置和使用

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EP13194735.0A EP2879104B2 (fr) 2013-11-27 2013-11-27 Dispositif auxiliaire pour un détecteur de danger configuré sous forme de détecteur ponctuel pour la surveillance du fonctionnement du détecteur de danger, agencement et utilisation d'un tel dispositif

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EP2879104B2 (fr) 2022-05-11
US20150145684A1 (en) 2015-05-28
EP2879104A1 (fr) 2015-06-03
US9390605B2 (en) 2016-07-12
CN104680703A (zh) 2015-06-03
CN104680703B (zh) 2018-01-19

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