EP1286320B1 - Détecteur, procédé pour le fonctionnement d'un détecteur et dispositif de test pour un détecteur - Google Patents

Détecteur, procédé pour le fonctionnement d'un détecteur et dispositif de test pour un détecteur Download PDF

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Publication number
EP1286320B1
EP1286320B1 EP02017893A EP02017893A EP1286320B1 EP 1286320 B1 EP1286320 B1 EP 1286320B1 EP 02017893 A EP02017893 A EP 02017893A EP 02017893 A EP02017893 A EP 02017893A EP 1286320 B1 EP1286320 B1 EP 1286320B1
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European Patent Office
Prior art keywords
concentration
alarm
test
filter
detector
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EP02017893A
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German (de)
English (en)
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EP1286320A2 (fr
EP1286320A3 (fr
Inventor
Siegfried Roeske
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Hekatron Technik GmbH
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Hekatron Technik GmbH
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    • 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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
    • G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
    • 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 method for operating a detector for detecting gas, smoke or the like interfering medium, in particular a fire detector, which detector has a sensor for measuring the concentration of the interfering medium, wherein the concentration measuring signal of the sensor of a filter operation for detecting a at is subjected to an interference case occurring Störmedium-concentration pattern, and wherein upon detection of this concentration pattern of the alarm case is registered.
  • the invention relates to a detector for the detection of gas, smoke or the like interfering medium, in particular fire detector, with at least one measuring signal output having a sensor for measuring the concentration of the interfering medium and with an evaluation device which is connected to the Meßsignalausgang a filter for detecting a at an interference case occurring interference medium concentration pattern, the filter output is connected to an alarm signal output of the evaluation. Furthermore, the invention relates to a test device for testing a detector for the detection of gas, smoke or the like interfering medium, with a device for the disturbance medium.
  • a test device for testing a detector for the detection of gas, smoke or the like interfering medium with a device for the disturbance medium.
  • the fire detector has a sensor for detecting a disturbing medium occurring in the vicinity of the fire, such as a fire gas and / or smoke.
  • a disturbing medium occurring in the vicinity of the fire such as a fire gas and / or smoke.
  • the dependent of the concentration of the interfering medium in the detection range of the sensor sensor measurement signal is supplied to an alarm filter for detecting an incipient fire occurring interference medium concentration pattern.
  • the alarm filter is primarily used to distinguish in the measurement signal to be detected, attributable to a fire signal components of such signal components that are not caused by a fire, so that the alarm is triggered only when a fire.
  • the alarm filter detects the alarm after the interference medium concentration has increased only with a certain delay time.
  • a test device for carrying out this review, which has a rod, which at one end a discharge device for a disturbance medium to be detected.
  • This dispenser consists essentially of a holder on which two combustible elements are arranged, which, when set on fire, emit smoke.
  • the dispenser is positioned by an assistant using the bar under the fire detector, so that the smoke emitted by the dispenser enters the detection area of the sensor of the fire detector.
  • the assistant checks whether the fire detector triggers an alarm. Since the alarm filter triggers the alarm only with a certain delay time, the dispenser must be positioned relatively long under the fire detector to trigger the alarm. Especially in larger fire alarm systems, which may have several 100 fire detectors, therefore, the testing of the fire alarm device with a considerable amount of time and thus also associated personnel costs.
  • the positioning of the dispenser under the fire detector for the assistant is still relatively strenuous, as this must constantly hold up the rod with the dispenser disposed thereon during the positioning process.
  • US Pat. No. 5,945,924 discloses a fire alarm system wherein in addition to a conventional smoke sensor, an additional CO 2 sensor is used. Shortening the alarm times is only possible with the additional signals from the CO 2 sensor.
  • the solution to this problem is that, for testing the functionality of the detector in the detection range of the sensor noise medium with one of the occurring in the event of an alarm Störmedium concentration pattern deviating Störmedium concentration pattern is given that the concentration measurement signal of the sensor in addition to the first filter operation of a second filter operation for detecting the in the test undergoing disturbance medium concentration pattern, and that upon detection of this test concentration pattern, the occurrence of an alarm case is registered.
  • a Störmedium-concentration pattern may be provided that has a shorter time than the occurring in the event of an alarm interference medium concentration pattern, so that the detector can be tested with correspondingly little time. At the same time, this results in a low interference medium consumption, so that a test device provided for dispensing the interfering medium can be used to test a correspondingly large number of detectors.
  • the method enables quick and cost-effective checking of the detectors during commissioning and / or during a system revision.
  • both the proper functioning of the sensor and that of the device for registering or displaying the alarm case are checked in the test.
  • the concentration measurement signal is low-pass filtered, that the low-pass filtered measurement signal is compared with an alarm concentration threshold, and that the alarm case is registered when the low-pass filtered measurement signal exceeds the alarm concentration threshold.
  • the interference medium concentration pattern occurring in the event of an alarm can thus be distinguished from any interference signal components which are not intended to trigger an alarm.
  • the alarm case can be reliably detected and registered.
  • the concentration measurement signal is compared with a test concentration threshold which is greater than the alarm concentration threshold and that the alarm case is registered when the concentration measurement signal the test concentration threshold exceeds.
  • the functionality of the detector interference medium is then emitted in the detection range of the concentration with a concentration which is higher than the highest occurring during normal operation of the detector or the occurrence of an alarm interference medium concentration, so that the test alarm case by comparing the Meßsignalpegels can be easily recognized with the test concentration threshold and then registered.
  • the concentration of the interfering medium is at least once alternately increased and reduced, that is checked in the second filter operation, if the concentration measurement signal at least once at least one upper test concentration threshold and at least a lower test concentration threshold alternately exceeds and falls below, and that upon detection of this alternately exceeding and falling below the occurrence of an alarm case is registered.
  • a sequence of high and low interference medium concentrations is generated in the detection range of the sensor, which give a kind of coding or signature, based on the provided for the test alarm case Störmedium-concentration pattern with great precision of the rest in the practical operation can distinguish occurring concentration pattern.
  • this coding is preferably designed as a digital word.
  • a first check is carried out in which it is checked whether the concentration measurement signal exceeds a first upper test concentration threshold, which is preferably greater than the alarm threshold that a second check is carried out in which it is checked whether the concentration measurement signal in a subsequent to the exceeding of the first upper test concentration threshold time below a lower test concentration threshold, which is smaller than the first upper test concentration threshold that a third check in which it is checked whether the concentration measurement signal exceeds a second upper test concentration threshold value, which is greater than the lower test concentration peak, in a time following the undershooting of the lower test concentration threshold value ll value, and that the test alarm case is registered when the concentration measurement signal in the third test exceeds the second upper test concentration threshold.
  • the test alarm case can be detected quickly and reliably in a simple manner.
  • a display is activated when the concentration measurement signal exceeds the first upper test concentration threshold in the first check.
  • the person performing the functional test of the detector can then easily recognize on the basis of the display that the detector has detected that the upper test concentration threshold value has been exceeded and can then Controlling the discharge of the interference medium according to the further course of the interference medium concentration pattern to be tested.
  • At least one lower test concentration threshold value is at least twice as large, in particular at least three and one half times as large, and preferably at least five times as great as the alarm threshold value. It is expedient if at least one upper test concentration threshold is at least four times as large, in particular at least seven times as large and preferably at least ten times as large as the alarm threshold value. The test alarm case can then be detected and registered with even greater precision.
  • the evaluation device in addition to the first filter has a second, connected to the measuring signal output of the sensor filter, which differs for detecting one of the occurring in the event of an alarm interference medium concentration pattern for the test of Functionality of the detector provided interference medium concentration pattern is formed, that the filter outputs of the first filter and the second filter are each connected to an input of an OR gate, and that the output of this OR gate is connected to the alarm signal output of the evaluation device.
  • the second filter provided for the detection of the test alarm case may then be tuned to an interference medium concentration pattern which has a shorter time duration than the interference medium concentration pattern occurring in the event of an alarm.
  • a correspondingly short test concentration pattern can then be generated in the area of the detector in order to test the functionality of the detector that the detector can be tested with correspondingly little time.
  • the second filter is connected downstream of the sensor and evaluates its measuring signal, the functionality of the sensor is also tested in the functional test of the detector.
  • the sensor may, for example, have an optical measuring path and / or an ionization measuring chamber. Since the output of the second filter is connected via the OR gate to the alarm signal output of the evaluation device, the alarm path and the device for registering or displaying the alarm case are also tested during testing.
  • the first filter has a low pass filter connected to the measuring signal output of the sensor, to which a comparator for comparing the lowpass filtered measuring signal with an alarm concentration threshold is connected, the output of this comparator being connected to the filter output of the first filter.
  • the interference medium concentration pattern occurring in the event of an alarm can then be distinguished from any interference signal components which are not intended to trigger an alarm. The detector thus enables a reliable registration or display of the alarm case.
  • the second filter has a comparator circuit with at least one first comparator for comparing the concentration measuring signal with a lower test concentration threshold and at least one second comparator for comparing the concentration measuring signal with a test upper concentration threshold and in that these comparator circuits are provided with a logic combiner circuit for detecting at least one of alternately over and under the upper and lower test concentration thresholds has, whose output is connected to the filter output of the second filter.
  • a logic combiner circuit for detecting at least one of alternately over and under the upper and lower test concentration thresholds has, whose output is connected to the filter output of the second filter.
  • a comparator output of the first comparator circuit and / or the logical combination circuit is connected to an input of a display device preferably having an optical display element.
  • the person carrying out the function test of the detector can then easily recognize on the basis of the display that the detector has detected that the upper test concentration threshold has been exceeded and can then output the interference medium according to the further course of the interference medium concentration pattern to which the second filter is tuned, steer.
  • the delivery device has an adjusting device for adjusting the discharge amount of the interference medium, which is connected to a control device for setting a predetermined concentration pattern of the emitted interference medium.
  • the intended for testing the detector Störmedium-concentration pattern with large Accuracy and thus generated with a correspondingly low consumption of interference medium can be provided by the intended for testing the detector Störmedium-concentration pattern with large Accuracy and thus generated with a correspondingly low consumption of interference medium.
  • the person carrying out the test of the detector needs to position the test device only at the detector and then to activate the release of the interfering medium, whereupon this is automatically released with the predetermined test concentration pattern in the detection area of the detector.
  • the test device thus enables a simple way of checking the detector during commissioning and / or a revision.
  • the dispensing device has at least one storage container for the interference medium, which is connected via a valve to an outlet opening for the interference medium, wherein the valve is in drive connection with an actuator, which is for setting the predetermined interference medium concentration pattern with the Control device is connected.
  • storage container can be formed with the valve as a spray bottle, in which the interfering medium is stored under pressure.
  • the test device then allows the delivery of a directed to the detector spray, which can be additionally saved spray medium.
  • the test apparatus may include a microcomputer in which the test interference medium concentration pattern is stored.
  • a generally designated 1 detector for reporting a conflagration has a sensor 2 for the detection of fire gas, smoke or the like in a fire arising Störmedium.
  • the sensor 2 comprises in a conventional manner an optical transmitter 3 and an optical receiver 4 for detecting the emitted from the transmitter 3 optical radiation, wherein between the transmitter 3 and the receiver 4 in the drawing only schematically illustrated optical measuring section. 5 is formed. This is arranged in a measuring chamber which has inlet openings through which the interference medium located in the detection area of the detector 1 can enter the measuring chamber.
  • the sensor 2 has a measuring signal output 6 to which a dependent of the concentration of the interfering medium in the measuring chamber measuring signal 7 is applied.
  • the measuring signal output 6 is connected via a measuring amplifier 8 to the input of an evaluation device 9, which has a first filter 10a and a second filter 10b whose inputs are respectively connected to the measuring signal output 6 of the sensor 2.
  • the first filter 10a is for detecting a disturbance medium concentration pattern occurring in the case of an incipient fire (alarm case) and the second filter 10b for detecting a test disturbance medium concentration pattern deviating from the disturbance medium concentration pattern occurring during the incipient fire for testing the operability of the detector 1 educated.
  • the concentration pattern provided for testing the functionality of the detector 1 has a shorter time duration than the interference medium concentration pattern occurring in the event of an alarm.
  • the filter output 11a of the first filter 10a is connected to a first input of an OR gate 12 and the filter output 11b of the second filter 10b is connected to a second input of the OR gate 12.
  • the output of this OR gate 12 is connected to an alarm signal output 13 of the evaluation device 9, which is connected to forward the alarm to a leading to a fire alarm center detector line.
  • the fire panel has visual and / or acoustic display means which are activated when an alarm occurs.
  • the measuring signal 7 and the filtered by the first filter 10 a measuring signal 14 in the course of a Emergence fire shown graphically.
  • the time is plotted on the abscissa, with the beginning of the conflagration corresponding to time zero. It can clearly be seen that the signal level of the measuring signal 7 which corresponds approximately to the concentration of the interfering medium in the measuring chamber is still very low at the beginning of the initial fire and then rapidly rises above an alarm concentration threshold value 15. Thereafter, the measuring signal 7 remains on average approximately at a constant level.
  • the first filter 10 a has a low-pass characteristic and that the low-pass-filtered measuring signal 14 is smoothed with respect to the unfiltered measuring signal 7.
  • a gradation present in the low-pass filtered measurement signal 14 results from the fact that the measurement signal 7 is sampled in the time points marked from the ordinate in FIG. 2 and then digitally processed in the first filter 10a.
  • the filtered measuring signal 14 is compared with the alarm concentration threshold value 15 by means of a comparator. When the low-pass filtered measurement signal 14a exceeds the alarm concentration threshold 15, a filter output 16a appearing at the filter output 11a of the first filter 10a is set. A pending at the alarm signal output 13 alarm signal is then also set or active.
  • interference medium having a test interference medium concentration pattern deviating from the interference medium concentration pattern occurring in the event of an alarm is emitted.
  • the measuring signal 7 during the testing of the detector 1 is shown graphically.
  • the time is plotted, where in the number "3" marked point in time with the delivery of a first interference medium pulse is started. It can clearly be seen that the measurement signal rises steeply above an upper test concentration threshold value 19, which is approximately ten times as large as the alarm concentration threshold value 15, and then initially remains constant for a predetermined period of time.
  • a first measured value is sampled from the measuring signal 7 and then a first check is carried out in the second filter 10b, in which the first measured value with the upper test concentration threshold 19 is compared. If the first measured value is greater than the upper test concentration threshold 19, a first control signal 20 is set for a predetermined period of time T1.
  • the concentration of the interfering medium in the detection range of the sensor 2 is lowered by interrupting the disturbance medium supply to below a lower test concentration threshold value 21. This is about five times the alarm concentration threshold 15.
  • a second measured value is sampled from the measuring signal 7 and then in the second filter 10b a second check is carried out, in which the second measured value coincides with the lower test concentration threshold 21 is compared. If the second measured value is less than the lower test concentration threshold value 21 and the first control signal 20 is set, a second control signal 22 is set.
  • a third measured value is sampled from the measuring signal 7, and then a third check is carried out in the second filter 10b, in which case the third measured value coincides with the upper test comparison threshold 19 is compared. If the third measurement value is greater than the upper test concentration threshold 19 and the second control signal 22 is set, a filter output 16b present at the filter output 11b of the second filter 10b is set which triggers the test alarm. This is indistinguishable at the alarm signal output 13 of the detector 1 from a real alarm case. A pending at the alarm signal output 13 alarm signal is then also set or activated via the OR gate 12. This alarm signal can be reset as needed from the fire panel. It can also be seen in FIG.
  • a third control signal 23 is set simultaneously with the second control signal 22 and reset upon activation of the filter output signal 16b.
  • This third control signal 23 controls a provided on the detector 1 light emitting diode or the like optical display element which indicates after the first disturbance medium pulse, that this was detected by the detector 1 and that now the second noise medium pulse of the test concentration pattern are delivered can trigger the test alarm.
  • This second interference medium pulse must be detected within the time period T1 of the detector 1, so that it triggers the test alarm.
  • the duration of the interference medium pulses and the interference medium pulse pause of the test comparison pattern lying between them in each case corresponds to at least the sampling duration T of the second filter 10b in order to avoid subsampling of the measurement signal. It can be seen in FIG. 4 that the interference medium pulse on the left, which does not belong to the test concentration pattern, is shorter than the sampling period T and that this interference medium pulse lies between two sampling times. It therefore remains unconsidered in the filtering in the second filter 10b.
  • the interfering medium can be dispensed, for example, by means of a spray bottle by hand according to the test concentration pattern.
  • the discharge of the interfering medium takes place with the aid of the test device 18 shown in FIG. 6.
  • This has a storage container 24 for the disturbing medium in which it is stored under pressure.
  • the storage tank 24 is connected via a valve not shown in detail in the drawing with an outlet opening 25 for the disturbance medium.
  • the valve is in drive connection with an actuator, which may for example have an adjustable by an electromagnet against a restoring force anchor.
  • the actuator is connected to the control input of a control device 26 connected, with which the valve for generating the predetermined test concentration pattern is controllable.
  • the control device 26 is connected to an actuating element that is formed in the embodiment of Figure 6 as an electrical button 27. When pressing the button 27, the release of the interfering medium is triggered with the predetermined test concentration pattern.
  • the detector 1 for the detection of gas, smoke or the like interfering medium, in particular a fire detector, wherein the detector 1 has a sensor 2 for measuring the concentration of the interfering medium, so the concentration measuring signal 7 of the sensor 2 a first filter operation for detecting an interference medium concentration pattern occurring in the event of an alarm. Upon detection of this concentration pattern, the alarm case is registered.
  • interfering medium is emitted in the detection range of the sensor 2 with an interference medium concentration pattern deviating from the interference medium concentration pattern occurring in the event of an alarm.
  • the concentration measuring signal 7 of the sensor is subjected to a second filtering operation for detecting the disturbance medium concentration pattern occurring in the test in addition to the first filtering operation. Upon detection of this test concentration pattern, the occurrence of a test alarm case is registered.

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  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Management (AREA)
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  • Fire-Detection Mechanisms (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
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  • Emergency Protection Circuit Devices (AREA)

Claims (14)

  1. Procédé pour tester un détecteur (1) pour la détection de fluide perturbateur comme par exemple du gaz ou de la fumée, lequel détecteur (1) présente un capteur (2) pour la mesure de la concentration du fluide perturbateur, le signal de mesure de concentration (7) du capteur (2) étant soumis à une opération de filtrage pour l'identification d'un modèle de concentration de fluide perturbateur apparaissant dans le cas d'une alarme, et l'alarme étant enregistrée en cas d'identification de ce modèle de concentration, caractérisé en ce que, pour tester le bon fonctionnement du détecteur (1) dans la zone de détection du capteur (2), une succession de concentrations élevées et faibles de fluide perturbateur est distribuée, laquelle diffère du modèle de concentration de fluide perturbateur apparaissant dans le cas d'une alarme, de sorte que le signal de mesure de concentration du capteur (2) est soumis en supplément de la première opération de filtrage à une seconde opération de filtrage pour l'identification du modèle de concentration de fluide perturbateur apparaissant lors du test et en ce que l'apparition d'une alarme est enregistrée lors de l'identification de ce modèle de concentration de test.
  2. Procédé selon la revendication 1, caractérisé en ce que le signal de mesure de concentration (7) est filtré avec un filtre passe-bas lors de l'opération de filtrage, en ce que le signal de mesure (14) filtré avec un filtre passe-bas est comparé avec une valeur seuil de concentration d'alarme (15) et en ce que l'alarme est enregistrée lorsque le signal de mesure (14) filtré avec un filtre passe-bas dépasse la valeur seuil de concentration d'alarme (15).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que, lors de la seconde opération de filtrage, le signal de mesure de concentration (7) est comparé avec une valeur seuil de concentration de test (19, 21), qui est supérieure à la valeur seuil de concentration d'alarme (15) et en ce que l'alarme est enregistrée lorsque le signal de mesure de concentration dépasse la valeur seuil de concentration de test (19, 21).
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que, pour tester le bon fonctionnement du détecteur (1) dans la zone de détection du capteur (2), la concentration du fluide perturbateur est augmentée ou réduite au moins une fois en alternance, en ce que, lors de la seconde opération de filtrage, on vérifie si le signal de mesure de concentration (7) passe au-dessus et au-dessous alternativement au moins une fois d'au moins une valeur seuil supérieure de concentration de test (19) et au moins d'une valeur seuil inférieure de concentration test (21), et en ce que, lors de l'identification de ce passage alternatif au-dessus et au-dessous de cette valeur, l'apparition d'une alarme est enregistrée.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que, lors de la seconde opération de filtrage, on effectue un premier contrôle lors duquel on vérifie si le signal de mesure de concentration (7) dépasse une première valeur seuil supérieure de concentration de test (19), qui est de préférence supérieure à la valeur seuil d'alarme (15), en ce qu'un second contrôle est effectué, lors duquel on vérifie si le signal de mesure de concentration (7) passe à un moment qui suit le dépassement de la première valeur seuil supérieure de concentration de test (19) au-dessous d'une valeur seuil inférieure de concentration de test (21) qui est inférieure à la première valeur seuil supérieure de concentration de test (19), en ce qu'on effectue un troisième contrôle, lors duquel on vérifie si le signal de mesure de concentration (7) dépasse à un moment qui suit le sous-dépassement de la valeur seuil inférieure de concentration de test (21) une seconde valeur seuil supérieure de concentration de test (19) qui est supérieure à la valeur seuil inférieure de concentration de test (21) et en ce que l'alarme est enregistrée lorsque le signal de mesure de concentration (7) dépasse lors du troisième contrôle la seconde valeur seuil supérieure de concentration de test (19).
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'un affichage est activé lorsque le signal de mesure de concentration dépasse lors du premier contrôle la première valeur seuil supérieure de concentration de test (19).
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'au moins une valeur seuil inférieure de concentration de test (21) est au moins deux fois aussi grande, en particulier au moins trois fois et demie aussi grande et de préférence au moins cinq fois aussi grande que la valeur seuil d'alarme (15).
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'au moins une valeur seuil supérieure de concentration de test (19) est au moins quatre fois aussi grande, en particulier au moins sept fois aussi grande et de préférence au moins dix fois aussi grande que la valeur seuil d'alarme (15).
  9. Détecteur (1) pour la détection de fluide perturbateur comme par exemple du gaz ou de la fumée, comprenant au moins un capteur (2) présentant une sortie de signal de mesure (6) pour la mesure de la concentration du fluide perturbateur et un dispositif d'analyse (9), qui présente un filtre (10a) relié à la sortie du signal de mesure (6) pour la reconnaissance d'un modèle de concentration de fluide perturbateur qui apparaît lors d'une alarme, dont la sortie de filtre (11a) est reliée à une sortie du signal d'alarme (13) du dispositif d'analyse (9), le dispositif d'analyse (9) présentant en supplément du premier filtre (10a) un second filtre (10b) relié à la sortie du signal de mesure (6) du capteur (2), caractérisé en ce que le second filtre est conçu pour la détection d'une succession de concentrations élevées et faibles de fluide perturbateur, différente du modèle de concentration de fluide perturbateur apparaissant lors d'une alarme et prévue pour le test de bon fonctionnement du détecteur, en ce que les sorties de filtre (11 a, 11 b) du premier filtre (10a) et du second filtre (10b) sont reliées chacune à une entrée d'un élément OU (12) et en ce que la sortie de cet élément OU (12) est reliée à la sortie du signal d'alarme (13) du dispositif d'analyse (9).
  10. Détecteur (1) selon la revendication 9, caractérisé en ce que le filtre (10a) présente un filtre passe-bas relié à la sortie du signal de mesure (6) du capteur (2), en aval duquel est branché un dispositif de comparaison pour la comparaison du signal de mesure filtré par le filtre passe-bas avec une valeur seuil de concentration d'alarme (15) et en ce que la sortie de ce dispositif de comparaison est reliée à la sortie de filtrage (11a) du filtre (10a).
  11. Détecteur (1) selon la revendication 9 ou 10, caractérisé en ce que le circuit d'analyse (9) contient un second filtre, lequel (10b) présente un circuit comparateur avec au moins un premier comparateur pour la comparaison du signal de mesure de concentration (7) avec une valeur seuil inférieure de concentration de test (21) et au moins un second comparateur pour la comparaison du signal de mesure de concentration (7) avec une valeur seuil supérieure de concentration de test (19), et en ce que celui-ci présente des circuits comparateurs avec un circuit d'association logique pour la détection d'au moins un surdépassement et un sous-dépassement alternatifs de la valeur seuil supérieure et de la valeur seuil inférieure de concentration de test (19, 21), dont la sortie est reliée à la sortie de filtre (11 b) du second filtre (10b)
  12. Détecteur (1) selon l'une quelconque des revendications 9 à 11, caractérisé en ce qu'une sortie de comparateur du premier circuit comparateur et/ou le circuit d'association logique est reliée à une entrée d'un dispositif d'affichage présentant de préférence un élément d'affichage optique.
  13. Dispositif test (18) pour le test d'un détecteur (1) pour la détection de fluide perturbateur comme par exemple du gaz ou de la fumée, avec un dispositif de distribution pour le fluide perturbateur, caractérisé en ce que le dispositif de distribution présente un dispositif de positionnement pour le réglage de la quantité distribuée du fluide perturbateur, qui est relié à un dispositif de commande pour le réglage d'une succession prédéfinie de concentrations élevées et faibles de fluide perturbateur, laquelle diffère d'un modèle de concentration de fluide perturbateur apparaissant lors de l'alarme.
  14. Dispositif de test (18) selon la revendication 13, caractérisé en ce que le dispositif de distribution présente au moins un réservoir de stockage (24) pour le fluide perturbateur qui est relié par une vanne à une ouverture d'évacuation (25) pour le fluide perturbateur et en ce que la vanne est en liaison d'entraînement avec un servomoteur de qui est relié au dispositif de commande (26) pour le réglage du modèle de concentration de fluide perturbateur prédéfini.
EP02017893A 2001-08-16 2002-08-09 Détecteur, procédé pour le fonctionnement d'un détecteur et dispositif de test pour un détecteur Expired - Lifetime EP1286320B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10139993A DE10139993B4 (de) 2001-08-16 2001-08-16 Melder, Testvorrichtung zum Prüfen eines Melders und Verfahren zum Betreiben eines Melders
DE10139993 2001-08-16

Publications (3)

Publication Number Publication Date
EP1286320A2 EP1286320A2 (fr) 2003-02-26
EP1286320A3 EP1286320A3 (fr) 2003-04-23
EP1286320B1 true EP1286320B1 (fr) 2007-11-07

Family

ID=7695476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02017893A Expired - Lifetime EP1286320B1 (fr) 2001-08-16 2002-08-09 Détecteur, procédé pour le fonctionnement d'un détecteur et dispositif de test pour un détecteur

Country Status (5)

Country Link
EP (1) EP1286320B1 (fr)
AT (1) ATE377816T1 (fr)
DE (2) DE10139993B4 (fr)
ES (1) ES2295266T3 (fr)
PT (1) PT1286320E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2711907A1 (fr) 2012-09-24 2014-03-26 Hekatron Vertriebs GmbH Avertisseur, dispositif de test et procédé de contrôle d'un avertisseur

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9922542B2 (en) 2016-04-15 2018-03-20 Honeywell International Inc. Fire detector test device and methods therefor
DE102021002143A1 (de) 2021-01-19 2022-07-21 Divis Gmbh Messsystem
CN113763665B (zh) * 2021-11-09 2022-02-11 博兴融智科技创新发展有限公司 一种基于人工智能的消防报警装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3842080A1 (de) * 1988-12-14 1990-06-28 Merten Gmbh & Co Kg Geb Schaltungsanordnung fuer einen infrarot-raumueberwachungsdetektor mit wenigstens zwei gekoppelten detektoren
GB9309115D0 (en) * 1993-05-04 1993-06-16 No Climb Prod Ltd Smoke testing detector sensitivity testing apparatus
US5945924A (en) * 1996-01-29 1999-08-31 Marman; Douglas H. Fire and smoke detection and control system
US6198399B1 (en) * 2000-03-09 2001-03-06 Martin P. Mattis Smoke detector test device and method for manufacture
DE10040570C1 (de) * 2000-08-18 2002-04-18 Bosch Gmbh Robert Prüfvorrichtung zur Funktionsprüfung eines Temperaturfühlers eines Melders, Melder und Verfahren zur Funktionsprüfung eines Melders

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2711907A1 (fr) 2012-09-24 2014-03-26 Hekatron Vertriebs GmbH Avertisseur, dispositif de test et procédé de contrôle d'un avertisseur

Also Published As

Publication number Publication date
DE10139993B4 (de) 2007-10-25
ES2295266T3 (es) 2008-04-16
EP1286320A2 (fr) 2003-02-26
DE50211156D1 (de) 2007-12-20
DE10139993A1 (de) 2003-03-13
ATE377816T1 (de) 2007-11-15
PT1286320E (pt) 2008-02-15
EP1286320A3 (fr) 2003-04-23

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