WO2014177496A1 - Avertisseur de danger à capteur thermique - Google Patents

Avertisseur de danger à capteur thermique Download PDF

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Publication number
WO2014177496A1
WO2014177496A1 PCT/EP2014/058553 EP2014058553W WO2014177496A1 WO 2014177496 A1 WO2014177496 A1 WO 2014177496A1 EP 2014058553 W EP2014058553 W EP 2014058553W WO 2014177496 A1 WO2014177496 A1 WO 2014177496A1
Authority
WO
WIPO (PCT)
Prior art keywords
detector
temperature sensor
rfid
unit
danger
Prior art date
Application number
PCT/EP2014/058553
Other languages
German (de)
English (en)
Inventor
Jens Jansen
Harald Ebner
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2014177496A1 publication Critical patent/WO2014177496A1/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
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems

Definitions

  • the invention relates to a danger detector, in particular point detector, with a detector housing, with a centrally mounted in or on the detector housing temperature sensor for largely direction independent detection of a temperature in the vicinity of the hazard alarm and with a data technology associated with the temperature sensor evaluation at least for evaluation of the detected ambient temperature. Furthermore, the invention relates to a smoke or fire detector, equipped according to the generic danger detector. Furthermore, the invention relates to a mobile device for wireless configuration of electronic components of the generic danger detector.
  • Hazard detectors may be provided to detect an ambient temperature, for example, to detect the heat generated in a fire or fire and / or to regulate the room temperature in terms of indoor climate control.
  • the hazard detectors may also be fire detectors or smoke detectors.
  • They have a detection unit for the detection of smoke particles.
  • the detection unit can for example comprise an open or a closed measuring chamber ⁇ measuring chamber for smoke detection. Consequently, such a fire or smoke detector is also referred to as a closed or open fire or smoke detector.
  • it may be in these fire or smoke detectors are optical fire or smoke detectors which have a working according to the principle of scattered optical detector unit for detecting smoke ⁇ particles.
  • a detector unit operating according to the acoustooptic principle may be used. unit and / or one or more gas sensors for the detection of flammable gases.
  • Hazard detectors with one or more temperature sensors are known from the prior art. Hazard detectors with multiple temperature sensors are laborious to produce because soldering operations are required for each sensor.
  • the temperature sensor In the case of hazard detectors with a temperature sensor, the temperature sensor is usually attached to the detector apex.
  • the temperature sensor via a arranged on the inside of the detector housing connection line data technically connected to the evaluation unit.
  • German utility model DE29814738U1 discloses a Be ⁇ touch reader and wireless transducer for the monitoring of gas, smoke, water and temperature data with a working on RFID evaluation, the sensor is not centrally mounted.
  • German utility model DE202012007433U1 discloses a bus-capable device of building system technology with a wireless communication interface.
  • the US patent application US2010 / 0044288A1 discloses a rod-shaped temperature monitoring device for wellssigschroma ⁇ graph or gas chromatograph.
  • German utility model DE20204388U1 discloses a pre ⁇ direction to detect smoke in ventilation ducts of a climate-technical system for controlling ventilation flaps.
  • a danger detector in particular point detector, with a detector housing, with a centrally mounted in or on the detector housing temperature sensor for largely direction independent detection of a temperature in the vicinity of the danger detector and with a data technology associated with the temperature sensor evaluation at least for evaluation of the detected ambient temperature wherein the temperature sensor and the evaluation unit are interconnected by a wireless connection for data transmission.
  • standard detection modules eg standard measuring chambers according to the optical scattering principle
  • the wireless connection between the temperature sensor and the evaluation unit may be e.g. by a suitable radio connection (for example RFID “Radio Frequency Identification”) or Bluetooth (Advantage Bluetooth 4.0).
  • a suitable radio connection for example RFID “Radio Frequency Identification”
  • Bluetooth Advanced Bluetooth 4.0
  • a first advantageous embodiment of the invention is that the temperature sensor and the evaluation are connected to each other on inductively coupled paths.
  • the transmission of the temperatures measured by the temperature sensor to the evaluation unit can take place, for example, via telemetry or near field communication (NFC).
  • NFC near field communication
  • An advantage here is that both transmitter (temperature sensor) and receiver (evaluation unit) can each be herm ⁇ table completed. A use of the danger detector even in inhospitable environments (eg dirt) is thus possible.
  • a further advantageous embodiment of the invention lies in the fact that the evaluation value unit is connected to an RFID read / write unit at least for receiving the ambient temperature transmitted via an RFID transponder designed as a temperature sensor, and wherein the energy supply of the RFID transponder is provided by the RFID Write / read unit takes place without contact.
  • the RFID transponder can optionally be equipped with resistance, but also without resistance. be formed, depending on the application requirement.
  • the RFID read / write unit and the RFID transponder are connected to one another via a magnetic coupling.
  • RFID read / write units and RFID transponders are now easily available bulk goods (commercials off the shelf).
  • RFID read / write unit RFID transceiver
  • the MLX90121 of Melexis can be used.
  • the MLX90129 also from the company Melexis ein ⁇ settable. With an appropriate antenna (eg 13.56 MHz antenna), the MLX90129 can easily be used as an RFID temperature sensor.
  • the hazard detector comprising a circuit carrier, which are arranged on the circuit carrier, the Ausensehongaji, an RFID transceiver and connected thereto may ⁇ genetic antenna having a plurality of conductor windings, and wherein the RFID transceiver and the magnetic antenna form the RFID read / write unit.
  • the RFID read / write unit and the RFID transponder can be easily connected to one another via a magnetic coupling, without requiring space in the interior of the housing.
  • a further advantageous embodiment of the invention lies in the fact that the one RFID read / write unit and the evaluation unit connected thereto are also set up to receive valid program data from an RFID programming / diagnostic device located within range of the magnetic antenna and / or configuration data for programming and / or configuration of the RFID read / write device and / or the evaluation unit to receive and / or are adapted Be ⁇ instinct and / or diagnostic data to the RFID programming / diagnostic device to a valid Request to send.
  • the communication between the RFID programming / diagnostic device and the RFID read / write unit or the evaluation unit via techniques of Nahfeldkommunika ⁇ tion (Near Field Communication), eg via RFID wireless connection or Bluetooth.
  • the start of the data ⁇ exchange is automatic when the RFID programming / diagnostic device within a certain distance of preparation ⁇ ches (eg 50 cm) from the detector vertex of the danger detector be ⁇ place.
  • a further advantageous embodiment of the invention is that the temperature sensor is integrated in an RFID transponder.
  • RFID transponders can be easily upgraded to an RFID temperature sensor.
  • a suitable antenna eg 13.56 MHz antenna
  • the MLX90129 can easily be used as an RFID temperature sensor.
  • the integration of the temperature sensor in an RFID transponder ensures a compact design with only one compact component. This facilitates the handling and the Mon- day of the temperature sensor in particular on or in the detector ⁇ crest.
  • the temperature sensor has an NTC or PTC resistor.
  • the temperature sensor can thus be flexibly formed, inter alia, as a hot conductor (thermistor with negative temperature coefficient) or as a PTC thermistor with a positive temperature coefficient.
  • the temperature measurement can thus be indirectly determined by the resistance caused by the temperature. Change of status.
  • the evaluation and processing of the resistance change takes place with advantage in the evaluation unit.
  • the RFID transponder with an integrated or connected to the RFID transponder temperature sensor, as well as a RFID transponder associated magnetic antenna by a conductor foil is centrally mounted in or on the detector housing. This allows, among other things, easy installation or retrofitting of the temperature sensor on the hazard detector.
  • the conductor foil can be brought to ⁇ example by an adhesive bond on the outside or on the inside of the detector housing.
  • this is a self-adhesive on one side conductor sheet.
  • the Porterbahnfo ⁇ lie can also be snapped or inserted into the detector housing.
  • a further advantageous embodiment of the invention is that the temperature sensor is mounted on a fold-out part of the conductor foil and this fold-out part of the conductor foil is attached through an opening in the Melderhau ⁇ be centrally at the apex of the detector hood inside or outside of the detector housing. This also makes it possible to easily mount the temperature sensor in or on the detector housing, in particular in or at the vertex of the detector hood. The easy retrofitting of a Ge ⁇ driving detector with the wireless temperature sensor is given.
  • a further advantageous embodiment of the invention is that the temperature sensor is integrated in the detector housing wall.
  • the detector housing wall for example, an opening for receiving the temperature sensor and the eventual tue11 required communication infrastructure be provided.
  • the detector housing may be, for example, an injection molded part with a corresponding opening or recess.
  • the temperature sensor and any communication infrastructure required may also be integrated into it during the manufacture of the detector housing, for example during production by injection molding.
  • a further advantageous embodiment of the invention is that the RFID transponder for connecting an indicator (LED) and / or another sensor, in particular ei ⁇ nes gas sensor, is set up.
  • the indica tor ⁇ is designed as an optical indicator (eg LED) and applied to the printed circuit film (for example, with SMD technology).
  • an optical indicator eg LED
  • further danger parameters eg fire parameters
  • the Erfas ⁇ measurement and taking into account different characteristics of fire leads to more accurate analysis in the evaluation unit.
  • the indi- cator is used for example for indicating the operating state of the temperature sensor in Tempe ⁇ or other sensors.
  • the object is further achieved by a smoke or fire detector, designed as a hazard detector of the type mentioned above, wherein the smoke or fire detector has an optical measuring chamber (according to scattered light principle) for the detection of smoke particles.
  • an electro-optical sensor is used to detect the scattered light generated by the smoke present in the room air.
  • the measuring chamber also referred to as labyrinth, is typically characterized by diaphragms of
  • At least one light source ⁇ and a light receiver for operation according to the optical scattering principle are necessary.
  • the fact that the interior of the housing of the hazard alarm is kept free, can be Place the measuring chamber easily in the hazard alarm and install it.
  • a further advantageous embodiment of the invention is the use of a temperature sensor for largely direction-independent detection of an ambient temperature, wherein the temperature sensor is formed by an NTC or PCT resistor, the temperature sensor comprising a transmitting unit (tag) for a wireless data communication with an evaluation unit, wherein the evaluation unit is suitable at least to the off ⁇ evaluation of the detected ambient temperature and for energizing the temperature sensor, and wherein the temperature sensor is suitable for use in a hazard detector, in particular a smoke or fire alarm, the called up overall type.
  • the wireless operating temperature sensor is flexible can be used in different types of hazard detectors.
  • the temperature sensor is flexible, for example, by an NTC or PCT resistor, depending on the desired operating principle feasible, in particular for indirect temperature measurements.
  • a further advantageous embodiment of the invention resides in a mobile device for the wireless configuration of an evaluation unit and / or an RFID read / write unit and / or an RFID transponder of a hazard alarm of the aforementioned type, the RFID read / write unit and the An evaluation unit connected thereto is set up to receive valid program data and / or configuration data for programming and / or configuration of the RFID read / write unit and / or the evaluation unit from a mobile device located within the range of a magnetic antenna of the RFID read / write unit and / or configured to send operating and / or diagnostic data to the mobile device for a valid request.
  • a wireless configuration of the evaluation unit and / or an RFID write / Reading unit and / or an RFID transponder allows, inter alia, a simple and quick startup, programming or reprogramming and maintenance of the hazard alarm.
  • the communication between the mobile device and the evaluation unit, the RFID read / write unit or the RFID transponder automatically occurs when the mobile device is placed in a defined surrounding area (eg 50 cm) around the danger detector.
  • a further advantageous embodiment of the invention lies in the fact that the mobile device is an RFID programming / diagnostic device. If this is the mobile device to an RFID programming / diagnostic device, the communication in the so-called can. "Active Mode" (Active mode) or in the so-called. "Passive Mode” (passive mode) ⁇ he follow.
  • NFC near field communication mechanisms
  • infrared or Bluetooth in particular Bluetooth 4.0
  • FIG. 1 shows an exemplary hazard detector according to the invention as a point detector with a temperature sensor and a Messkarmmer, a first example of an RFID tag with temperature tursensor, a second example of an RFID tag with Tempe ⁇ temperature sensor, a third example of an RFID tag with Tempe ⁇ temperature sensor, and a schematic representation with an example ⁇ stick mobile device for an exemplary wire ⁇ loosely configuring an evaluation and / or an RFID read / write unit and / or an RFID transponder of a wireless temperature sensor.
  • Hazard detectors can be configured as point detectors.
  • Point detectors may be provided for detecting an ambient temperature, e.g. to detect the heat generated in a fire or fire and / or to regulate the room temperature in the sense of a room climate control.
  • the point detectors can fire detectors or
  • Be a smoke detector For this purpose, they have a detection unit for the detection of smoke particles.
  • the detection unit may, for example an open measuring chamber 8 (see Fig. 1), or a ge ⁇ connected measuring chamber for the smoke detection have. Consequently, such a fire or smoke detector is also referred to as a closed or open fire or smoke detector.
  • it can in these fire or smoke detectors are optical fire or smoke detectors act, which have a working according to the principle of scattered optical detector unit for De ⁇ tetation of smoke particles. Alternatively or additionally, they can work according to the acousto-optic principle. tende detector unit and / or one or more gas sensors for the detection of flammable gases.
  • Point detectors can be connected via a common detector line, in particular via a two-wire line, signal and / or data technology to a fire alarm control panel (eg fire brigade or building control center). It can be connected to several derarti ⁇ ger detectors in detector zones or detector lines to a central fire alarm system, on the GHzrwei- se, the electrical supply to the fire detectors with current takes place. Alternatively or additionally, the point detectors may be "wireless.” In this case, the point detectors communicate wirelessly, such as by radio, with the fire panel and / or with neighboring other point detectors.
  • a fire alarm control panel eg fire brigade or building control center
  • the point detectors may be "wireless." In this case, the point detectors communicate wirelessly, such as by radio, with the fire panel and / or with neighboring other point detectors.
  • Figure 1 shows an exemplary inventive hazard detector 1 as a point detector with a temperature sensor 3 and a measuring chamber 8.
  • the temperature sensor 3 on a flat mounting plate MP (eg made of plastic) attached.
  • the mounting plate MP may for example be on the Genzouseso ⁇ ckel SO opposite wall of the measuring chamber 8 fitted or glued.
  • the Ge ⁇ korusesockel SO opposite wall of the measuring chamber 8 can serve as a mounting plate MP.
  • the hazard detector 1 is usually designed for attachment to or with a base SO.
  • the hazard detector 1 essentially comprises a spherical housing 2, typically made of plastic.
  • the housing 2 may be formed in one or more parts.
  • a Wennungsträ ⁇ ger 6 board, circuit board
  • the detection modules for detecting hazard characteristics eg fire characteristics
  • the base SO is intended to be mounted on the ceiling of the room to be monitored, the mounting being either directly on a flush box or surface with or without So ⁇ ckelzusatz done, eg by screw, plug or adhesive connections.
  • the base there is usually in Wesent ⁇ union of a circular plate and a downwardly extending marginal web and includes link mechanisms (for example, plug-in mechanism) for attachment of the housing 2.
  • link mechanisms for example, plug-in mechanism
  • the hazard detector 1 may contain further detection units for detecting additional hazard parameters.
  • the detection units may, for example, be components for the detection of smoke particles according to the optical scattering principle.
  • Such optical detection units are provided for the measurement of scattered light caused by smoke.
  • at least ei ⁇ ne light source, a light receiver, a measuring chamber 8 and a labyrinth system with arranged at the periphery of the measuring chamber 8 aperture used, the at least one light ⁇ source and the light receiver in the housing 2 advantageously on the underside of a support plate TP are attached.
  • the smoke can pass through the smoke inlet openings RO located in the housing 2 into the measuring chamber 8.
  • the carrier plate TP can be fixed, for example, by a plug connection on the underside of the base SO.
  • the circuit carrier 6 (board, printed circuit board) has an evaluation unit 4 and possibly other electronic elements, which are usually mounted in SMD technology (surface-mounted device) or by through-hole technology (trough-hole technology) on the circuit substrate 6.
  • the electronic evaluation unit 4 is typically realized in integ ⁇ tured form, for example as a microcontroller. From- value unit 4 essentially serves for detecting and evaluating the ambient temperature or other danger parameters in the area of the point detector 1. Furthermore, the danger parameters (eg fire parameters) of further detection units (if present in the danger detector 1) are detected and evaluated in the evaluation unit 4. In the evaluation unit 4, an analysis can then be carried out based on an overall view of recorded parameters.
  • the evaluation unit 4 causes an output (eg flash, siren) and / or passing (eg to a control center) of the information derived in the analysis.
  • the transfer can be done by wire or wirelessly through a communication link 10.
  • the evaluation unit 4 can, for example, based on defined
  • Period e.g., 30 seconds to cause the issue (alarm) or forwarding to the control center.
  • the communication link 10 may be e.g. by a radio link (with transmitter / receiver unit), wherein the hazard detector 1 comprises at least one transmitter unit.
  • the communication link 10 is exemplified by a radio chip on the circuit substrate 6 realized.
  • the circuit carrier 6 (board, circuit board) may be mounted on the base SO or e.g. on the support plate TP (advantageously on the side of the support plate TP, which faces away from the detection units).
  • the circuit carrier 6 may be e.g. be attached by a plug connection.
  • the temperature sensor 3 is advantageously attached to a measuring ⁇ technically favorable location centrally in or on the detector housing 2 and allows the largely independent of direction Detecting the temperature in the vicinity of the hazard detector 1.
  • the temperature sensor 3 is mounted on a central solder axis LA of the detector base SO on the inside of the detector housing 2 at the detector peak MS.
  • axis ⁇ LA of the detector 1 mounted temperature sensors 3 operate completely independent of direction.
  • the hazard detector 1 on the detector apex MS a detector tip has MK in which the temperature sensor 3 is underweight body ⁇ introduced.
  • the detector tip MK consists of an upper ring ⁇ shaped part and spaced from this, forming the tip of the detector plate 22, which is connected to the upper ring-shaped part by arcuate or rib-like webs 21.
  • the height, the detector tip is MK just so high that the temperature sensor 3 within the detector tip MK on the detector apex MS in the axis LA can be ⁇ introduced.
  • the temperature sensor 3 may be fastened, for example, by a press fit, a plug connection or an adhesive bond in the detector tip MK.
  • the temperature sensor 3 is connected to the evaluation unit 4 via a wireless connection (for example wireless connection) in terms of data.
  • a wireless connection for example wireless connection
  • the power supply of the temperature sensor 3 via this wireless connection is via near field communication (NFC) mechanisms such as e.g. RFID, infrared or Bluetooth (especially Bluetooth 4.0).
  • NFC near field communication
  • the evaluation value unit 4 is equipped with an RFID read / write unit 5 at least for receiving the ambient temperature transmitted by the temperature sensor 3. connected.
  • the magnetic antenna 7, 7 ⁇ of the RFID read / write unit 5 is advantageously applied to or applied in wesentli ⁇ Chen circular paths on the circuit substrate 6.
  • the temperature sensor 3 is integrated in an RFID transponder RT or connected to an RFID transponder RT.
  • the RFID read / write unit 5 and the RFID-transponder RT over a magneti ⁇ specific coupling are interconnected.
  • the magnetic antenna belonging to the RFID transponder RT (FIGS. 2 to 4) can be attached centrally in or to the detector housing 2 by a carrier element TR (see also FIGS. 2 to 4), eg by a conductor foil (eg Kapton foil).
  • FIG 2 - 4 In the view in Figure 1 of the RFID transponder is RT with associated antenna and magnetic carrier element TR on the mounting plate MP mounted (for example by a Klebver ⁇ bond).
  • a mounting plate MP and the base SO opposite the top of the measuring chamber 8 can be used ver ⁇ .
  • the temperature sensor 3 is mounted on a central solder axis LA of the detector base SO on the inside of the detector housing 2 at the detector peak MS, for example by an adhesive bond.
  • RFID read / write unit 5 and RFID transponders RT are readily available commodities today (commercials off the shelf).
  • RFID read / write unit RFID transceiver
  • the MLX90121 of Melexis can be used.
  • the MLX90129 also from the company Melexis can be used.
  • With a corresponding antenna (eg 13.56 MHz antenna) of the MLX90129 may be readily utilized as RFID Tempera ⁇ tursensor. Characterized that the connection between the temperature sensor 3 and the evaluation unit 4 is wireless, is in the interior of the detector housing 2 space for an undisturbed recording wei ⁇ more excellent detection units (for example, for fire or Rauchde- tetation).
  • FIG. 2 shows a first example of an RFID tag RT with temperature sensor TS.
  • the elements of the RFID tag are mounted on a carrier element TR.
  • a carrier element TR is advantageously a conductor foil (eg Kapton foil) is used.
  • the support element TR is in wesentli ⁇ chen circular, thus can be advantageously attached to the magnetic antenna of the RFID tag RT in circular spiral tracks AB on the outer periphery of the support member TR.
  • An electrical connection of the antennas ne of the RFID tag RT to the temperature sensor TS attached in Wesentli ⁇ chen centered on the carrier element TR is via a bridge BR.
  • the tem perature sensor ⁇ TS can be applied to the surface of the printed circuit film (carrier element TR), for example by press-fitting, soldering, bonding or by a conductive adhesive to be applied.
  • the preferably circular support element TR has with Vor ⁇ part a diameter of 5 to 10 cm. Thus is guaranteed slightest ⁇ tet that on the outside of the carrier element TR befindli ⁇ chen antenna windings AB an efficiently communicate with the RFID read / write unit 5 (see Fig. 1 shows) to make sure.
  • the circular support element TR can be easily positioned in the housing 2 (see FIG 1) and aligned so that the temperature sensor TS is mounted centrally.
  • the carrier element TR is designed as a circular sticker. forms.
  • an easy upgradeability of Ge ⁇ drive detector 1 (see Fig. 1) give ⁇ ge with a temperature sensor TS.
  • FIG. 3 shows a second example of an RFID tag RT with a temperature sensor TS.
  • the support element TR is substantially circular, with antenna ⁇ windings AB at the outer edge. An electrical connection of the antenna AB of the RFID tag RT to the temperature sensor TS takes place via an electrical bridge BR.
  • the temperature sensor TS is attached to the end point of a flexible tongue Z which, starting from the periphery of the carrier element TR at the level of the bridge BR, is aligned with the center of the carrier element TR.
  • the length of the tongue Z is longer than the distance from the bridge BR to the center of the support element TR.
  • the part of the tongue Z at which the temperature sensor TS is located can be unfolded and e.g. through the passage opening DO of the housing 2 into the detector tip MK (see FIG. 1) and are mounted there centrally in the middle.
  • the length of the tongue Z beyond the center point is dimensioned such that the part of the tongue "protruding" the middle, that is to say the part at which the temperature sensor TS is located, is easily located in the detector tip
  • the flexible tongue Z can be attached as a further element (eg as a conductor foil) on the support element TR (eg applied by pressing, soldering, bonding or by a conductive adhesive). But it is also possible that the flexible tongue Z is formed as part of the support element TR (the tongue can be punched out eg on the support element TR).
  • the carrier element TR and thus also the tongue Z is formed as a conductor foil.
  • the end of the tongue Z has a constriction ES (eg punched recess). The pinch-off part of the tongue T with the temperature sensor TS is therefore thermally well isolated from the rest of the flex circuit TR and the restli ⁇ chen tongue Z. As a result, measuring errors on the sensor TS are avoided.
  • the gas sensor GS it may be, for example a fire gas sensor (CO, CO 2, NO x).
  • the gas sensor GS may be formed, for example, as a semiconductor gas sensor (MOX).
  • the gas sensor is advantageous ⁇ way, as the temperature sensor TS mounted centrally in or on the detector housing 2, so that a gas can be detected independently of direction.
  • the gas sensor GS is advanta- geous enough, such as the temperature sensor TS at the outer end of the tongue Z attached to a position which is separated from the restli ⁇ chen conductor track by a constriction ES.
  • a compact sensor assembly that is thermally decoupled from the rest ⁇ union conductor track TR.
  • a plurality of further sensors to the temperature sensor TS of a corresponding contact are coupled to the conductor track TR.
  • these sensors are integrated
  • FIG. 4 shows a third example of an RFID tag RT with temperature sensor TS.
  • the support element TR is substantially circular alsobil ⁇ det, with antenna turns AB at the outer edge.
  • the carrier element TR is designed as a conductor foil.
  • the conductor foil may be, for example, a Kapton foil or a polyimide foil.
  • An electrical connection of the antenna AB of the RFID tag RT to the temperature sensor TS takes place via an electrical bridge BR.
  • an indicator LED is further mounted on the support element TR.
  • the indicator eg, a LED light ⁇ emitting diode
  • An LED can be applied eg with SMD technology on a conductor foil.
  • the carrier element TR has two substantially semicircular recesses AS1, AS2. Through the recesses AS1, AS2 a web ST is formed in spinach ⁇ ment TR, the advantageous manner approximately at the level of the bridge, two peripheral, opposite
  • the web leads through the center of the circular formed in Wesentli ⁇ chen carrier element TR.
  • the temperature sensor TS is mounted in the region of the center on the web ST. Via an electrical bridge BR he ⁇ follows via the web ST extending an electrical connection of the antenna AB of the RFID tag RT to the temperature sensor TS.
  • an indication tor LED attached, to indicate the operating status of the temperature sensor TS.
  • a hazard detector 1 (see FIG. 1) at the detector peak MS has a detector tip MK.
  • the detector tip MK be ⁇ is composed of an upper annular portion and a spaced therefrom, the tip of the detector forming plate 22, which is connected to the upper annular portion by arcuate or rib-like webs 21.
  • the temperature sensor TS according to the embodiment of Figure 4, for example, within the detector tip MK from the outside to the housing 2 attached (eg glued).
  • a slightly outwardly curved counterpart to which the web ST is attachable is attachable.
  • this curved counterpart about the same Di ⁇ mension to as the web ST.
  • an indicator LED is not limited to the embodiment according to FIG. can also be integrated in the embodiments according to Figure 2 or Figure 3 (for example, on the support element TR).
  • a further advantageous embodiment of the invention is that the temperature sensor TS is integrated in the detector housing wall 2 and in the detector apex MS.
  • the detector wall ⁇ housing wall or detector apex MS can be provided, for example, an opening for receiving the temperature sensor and possibly be ⁇ required communication infrastructure.
  • the detector housing may be, for example, an injection molded part with a corresponding opening or recess.
  • the temperature sensor TS and a possibly required Ltdunikationsinf ⁇ rapatented RT but also during the production the detector housing are integrated in this, for example in egg ⁇ ner production by injection molding.
  • FIG. 5 shows a schematic illustration with an exemplary mobile device MG for an exemplary wireless configuration or programming of an evaluation unit 4 and / or an RFID read / write unit 5 and / or an RFID transponder RT of a wireless temperature sensor TS.
  • the representation according to FIG 5 shows a mobile device MG
  • the RFID read / write unit 5 and the evaluation unit 4 connected thereto are set to ⁇ valid program data of a located in range of a magnetic antenna MA3 of the RFID read / write unit 5 mobi ⁇ len device MG PRG and / or configuration data CFG for programming and / or configuration of the
  • RFID write / read unit 5 and / or the evaluation unit 4 to receive and / or are adapted to send operating and / or diagnostic data DIAG to the mobile device MG to a valid request.
  • the mobile device MG is equipped for this purpose with a magnetic antenna MAI.
  • the mobile device MG also allows for easy maintenance and programming (eg Aufspie ⁇ len new software or parameters) of the alarm indicator.
  • the RFID read / write unit 5 and the evaluation unit 4 connected thereto receive the temperature T detected by the temperature sensor TS via the RFID transponder RT, ie via an exemplary inductive coupling of the magnetic antennas MA2 and MA3.
  • the magnetic antenna MAI mobile device MG and the magnetic antennas MA2 and MA3 are each inductively coupled together.
  • the coupling between the respective magnetically tables antennas MAY - MA3 are shown schematically by the arrows El - shown E3, that is, El -.
  • E3 represent the corresponding energy flow the relevant standards for a partial explanatory front ⁇ RFID communication are the IS015693 and the
  • the start of the data exchange CFG, PRG, DIAG takes place automatically when the RFID programming / diagnosis device MG is within a certain distance range (for example 50 cm) from the detector apex of the danger detector.
  • the danger detector 1 is shown schematically by a dashed rectangle.
  • Hazard detector in particular point detector with a detector housing with an attached broke ⁇ th centrally in or on the detector housing temperature sensor for largely direction-independent detecting a temperature in the vicinity of the hazard detector and with a data-technically connected to the temperature sensor evaluation unit at least for evaluating the detected ambient temperature, wherein the temperature sensor and the evaluation unit by a wireless connection to the data are connected with each other.
  • Such danger detectors can be easily manufactured or retrofitted with wireless temperature sensors.
  • circuit board 6 circuit board, circuit board, circuit board

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

L'invention concerne un avertisseur de danger, en particulier un détecteur ponctuel, présentant un boîtier d'avertisseur, un capteur thermique monté de manière centrée dans ou sur le boîtier d'avertisseur, et servant à détecter une température dans l'environnement de l'avertisseur de danger, dans une large mesure indépendamment de la direction, ainsi qu'une unité d'évaluation reliée par technique informatique au capteur thermique et servant au moins à évaluer la température ambiante détectée, ledit capteur thermique et l'unité d'évaluation étant interconnectés par une liaison sans fil afin de transmettre les données.
PCT/EP2014/058553 2013-05-01 2014-04-28 Avertisseur de danger à capteur thermique WO2014177496A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013207990.7A DE102013207990B4 (de) 2013-05-01 2013-05-01 Gefahrenmelder mit Temperatursensor
DE102013207990.7 2013-05-01

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WO2014177496A1 true WO2014177496A1 (fr) 2014-11-06

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WO (1) WO2014177496A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
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US11328582B1 (en) 2021-07-07 2022-05-10 T-Mobile Usa, Inc. Enhanced hazard detection device configured with security and communications capabilities

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016110530A1 (de) * 2016-06-08 2017-12-14 Minimax Gmbh & Co. Kg Gefahrenmelder sowie Verfahren zum Übertragen eines Gefahrensignals und System mit dem Gefahrenmelder
DE102018204207A1 (de) * 2018-03-20 2019-09-26 Geze Gmbh Drahtloskomponente einer Brandschutz-Feststellanlage oder einer Brandmeldeanlage

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DE29814738U1 (de) 1998-08-19 1999-04-08 Scheuermann, Frank, 45739 Oer-Erkenschwick Berührungsleser und drahtloser Messwertaufnehmer (Sensor) für die Überwachung von Gas, Rauch, Wasser und Temperatur-Daten mit einer auf RFID (Radio-Frequenz) arbeitender Auswerteeinheit
DE20204388U1 (de) 2002-03-20 2002-08-01 Trox Gmbh Geb Vorrichtung zur Erkennung von Rauch
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US20100044288A1 (en) 2008-08-19 2010-02-25 Shimadzu Corporation Column temperature monitoring apparatus and chromatographic apparatus
DE102010020941A1 (de) * 2010-05-19 2011-11-24 Andreas Müller Mobiles Datengerät und Verfahren zum Lesen von Daten von einem Datenträger
DE202010015406U1 (de) * 2010-11-12 2012-02-15 Job Lizenz Gmbh & Co. Kg Gefahrenmelder
WO2012101098A1 (fr) * 2011-01-27 2012-08-02 Siemens Aktiengesellschaft Procédé et dispositif pour localiser une personne piégée en cas de situation d'urgence
DE202012007433U1 (de) 2012-08-01 2012-08-28 Abb Ag Busfähiges Gerät der Gebäudesystemtechnik und/oder Türkommunikation

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JPS59187511A (ja) 1983-04-06 1984-10-24 株式会社日本バノツク 自動結束機

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Publication number Priority date Publication date Assignee Title
DE29814738U1 (de) 1998-08-19 1999-04-08 Scheuermann, Frank, 45739 Oer-Erkenschwick Berührungsleser und drahtloser Messwertaufnehmer (Sensor) für die Überwachung von Gas, Rauch, Wasser und Temperatur-Daten mit einer auf RFID (Radio-Frequenz) arbeitender Auswerteeinheit
DE20204388U1 (de) 2002-03-20 2002-08-01 Trox Gmbh Geb Vorrichtung zur Erkennung von Rauch
US20040233054A1 (en) * 2003-03-31 2004-11-25 Neff Raymond Lynn Wireless monitoring device
US20100044288A1 (en) 2008-08-19 2010-02-25 Shimadzu Corporation Column temperature monitoring apparatus and chromatographic apparatus
DE102010020941A1 (de) * 2010-05-19 2011-11-24 Andreas Müller Mobiles Datengerät und Verfahren zum Lesen von Daten von einem Datenträger
DE202010015406U1 (de) * 2010-11-12 2012-02-15 Job Lizenz Gmbh & Co. Kg Gefahrenmelder
WO2012101098A1 (fr) * 2011-01-27 2012-08-02 Siemens Aktiengesellschaft Procédé et dispositif pour localiser une personne piégée en cas de situation d'urgence
DE202012007433U1 (de) 2012-08-01 2012-08-28 Abb Ag Busfähiges Gerät der Gebäudesystemtechnik und/oder Türkommunikation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11328582B1 (en) 2021-07-07 2022-05-10 T-Mobile Usa, Inc. Enhanced hazard detection device configured with security and communications capabilities

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DE102013207990A1 (de) 2014-11-20
DE102013207990B4 (de) 2017-03-30

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