EP0362797B2 - Verfahren zum energiesparenden Betrieb von Gefahrenmeldern in einer Gefahrenmeldeanlage - Google Patents
Verfahren zum energiesparenden Betrieb von Gefahrenmeldern in einer Gefahrenmeldeanlage Download PDFInfo
- Publication number
- EP0362797B2 EP0362797B2 EP89118338A EP89118338A EP0362797B2 EP 0362797 B2 EP0362797 B2 EP 0362797B2 EP 89118338 A EP89118338 A EP 89118338A EP 89118338 A EP89118338 A EP 89118338A EP 0362797 B2 EP0362797 B2 EP 0362797B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- detector
- time
- voltage
- detectors
- microcomputer
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 16
- 238000001514 detection method Methods 0.000 title claims description 14
- 230000004044 response Effects 0.000 claims abstract description 10
- 125000004122 cyclic group Chemical group 0.000 claims abstract 2
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 5
- 229920000535 Tan II Polymers 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 1
- 230000011664 signaling Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
- G08B26/005—Alarm systems in which substations are interrogated in succession by a central station with substations connected in series, e.g. cascade
Definitions
- the invention relates to a method for energy saving Operation of hazard detectors in a hazard alarm system according to the preamble of claim 1.
- Such a hazard alarm system is from DE-PS 25 33 382 known.
- this alarm system especially fire alarm system, for the transmission of analog detector measured values the individual detectors are connected in a chain to the detection line.
- the measured values of the individual detectors polled cyclically from the central office and to the central office Evaluation device given to differentiate from there Fault or alarm messages from those to be linked To gain analog values.
- At the beginning of each polling cycle all detectors are switched off by a voltage change from the Detector line separated and then in the specified order in switched on again so that each detector after one time delay corresponding to its measured value by means of a in one of the wires of the detection line arranged switching transistor the subsequent detector in addition turns on.
- the detectors will operated from their energy stores during this time.
- the Energy storage will be in the so-called after the query Rest time with increased line tension.
- hazard detectors need high quality Sensor technology and transmission technology. Instead of a collective address individual addressing is required, as is the case with above is the case. It can Control commands from the control center to the individual detectors transmitted by the individual detectors be, as is already known from DE-PS 25 33 354. It can receive and receive data from each detector be reported, also in the form of pulse telegrams within certain time slots are transmitted.
- CMOS complementary metal-oxide-semiconductor
- special sensors e.g. pulsed the measuring part of an optical stray light smoke detector operate as described in EP-0 125 485-A1.
- the possibility of all or part of the required energy, e.g. over a own management, which is also the complexity and the cost of a hazard alarm system increases.
- EP 0 191 239 is a data transmission system for building management systems known, which also includes fire detectors.
- the sensors of the fire detectors include microcomputers who will retire if none Action of the microcomputer is required. There is none Specified when and how the microcomputer in the active state is switched. It is also not a clue contain about how the startup time of the microcomputer is taken into account which results from the fact that the clock generator must swing for several milliseconds before it is functional.
- EP 0 093 872 describes a method for transmitting measured values known in a surveillance system that on the principle the chain advance is based.
- the measuring points connected in series and identified by Counting corresponding advancement pulses.
- When assigning addresses is activated simultaneously with the locking of one detector switched through to the next detector. Actions that are different Detectors relate to one another in succession.
- the object of the invention is to avoid the above Disadvantages described a method for energy saving Operating hazard detectors of a hazard detection system, which is a relatively simple and reliable A microcomputer can be switched on and off.
- the cyclical query receives the A specific voltage (an activation voltage) after each detector, which turns on the microcomputer, but only after one the specified start-up time activates the detector. Then he follows data traffic with the head office, i.e. the detector receives and sends (reports) signals. Then will the microcomputer is switched off. Conveniently the switch-on voltage becomes the query voltage educated.
- the method according to the invention modifies the known one Chain modulation such that each detector after the Query voltage initially during a specified start-up time remains inactive and then its traffic in one certain reception time and response time with the head office unwinds.
- the microcomputer is then switched off again. So that is for the microprocessor switched on for an optimally short time and consequently less energy is consumed on average.
- the Start-up time for the microcomputer is made in a special way won without having a separate start-up time for each detector to have to provide. It will only be a first start-up time required for the microcomputer of the first detector. To the first detector switches on immediately after this start-up time second detector. In the subsequent reception and The first detector's transmission time follows the data traffic of the first detector with the head office. This reception and response time is at the same time the start-up time for the microcomputer of the second detector. This process continues until the last Report off. This procedure reduces the time required considerably and thus extends the available rest period in which the energy stores of the detectors are charged. So that is an increase in the sampling rate and / or an increased energy supply possible.
- the detector M shown in Figure 2 has in addition to the one Wire of the detection line ML switched-on transistor T the logic logic VL, which is the heart of the detector represents and is formed by a microcomputer.
- the link logic operates the actual sensor part.
- the Linking logic VL is from the voltage measuring device MU which monitors the line voltage UL and switching signals according to the applied line voltage the logic logic VL there. This logic logic causes Signals to a control device ST and also signals for switching DS of the switching transistor T, so that subsequent detector is connected to the line voltage.
- Figure 3 it is illustrated how the individual detectors be turned on in sequence.
- the line tension UL plotted over time t for detectors M1 to M3.
- the ML line is on Quiescent voltage UR on.
- a query cycle then begins with the Disconnect the line from the line voltage UL, i.e. it will for the starting time ts the starting voltage US, which is preferred is zero.
- the interrogation voltage UA is preferably below this the value of the open circuit voltage UR.
- For the detector M2 it is shown that he only the after switching DS of the first detector M1 Query voltage UA receives. The same applies to detector M3.
- the data transmission to the detector generally takes place through Modulation of the line voltage UL in the center, during a Data transmission to the control center by modulating the line current IL is made in the detector.
- the line voltage UL is the profile of the line voltage UL over time t shown at the input of detectors M1, M2 and M3.
- the resting tension UR is on for the rest period tr.
- the interrogation voltage UA which is also the switch-on voltage UAN for the microcomputer is acted upon by the first detector which, after the start-up time tan1 is activated and thus receive signals E1 from the control center for received the reception time te1 and then response signals A1 can report to headquarters in time ta1.
- the detector M2 in turn activated within the start-up time tan2 and then begins with the data traffic to the head office. Is the primary reporting line ML is queried, the open-circuit voltage UR is sent to the detection line placed.
- the respective one Microcomputer only switched on for a short time.
- the microcomputer of the first begins at the interrogation voltage UA To start the detector. During this time, the detector receives received signals E0 from headquarters and could then reply Report A0 to the control center. But neither is possible because the microcomputer is still starting up and therefore not is functional.
- the functionality is only during of the response time ta0, so that the first notifier for received signal E1 determined him only after this start-up time can receive and edit tan1.
- the detector M1 With the receipt of the signals E1 from the control center switches the detector M1 immediately to the detector M2 through (DS). During the data traffic of the first detector M1 in the time te1 plus ta1 the start-up time tan2 for the second detector M2, which then switches through to the third detector M3 (DS) as soon as it receives data E2 from the control center.
- the received signals partly with the voltage level that corresponds to the quiescent voltage, run, which means the energy supply required time advantageously shortened and thus the Number of connectable detectors increased and / or the query is accelerated.
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Description
- Fig. 1
- eine schematische Darstellung einer Gefahrenmeldeanlage,
- Fig. 2
- schematisch einen Melder in der Melderprimärleitung,
- Fig. 3
- Linienspannungsdiagramme für drei Melder.
- Fig. 4
- ein Ausführungsbeispiel für das erfindungsgemäße Verfahren an einem Spannungsdiagramm.
Claims (2)
- Verfahren zum energiesparenden Betrieb von Gefahrenmeldern in einer Gefahrenmeldeanlage, die nach dem Pulsmeldesystem auf dem Prinzip der Kettensynchronisation arbeitet, mit einer Zentrale (Z) mit mehreren zweiadrigen Meldeprimärleitungen (ML), an die kettenförmig eine Vielzahl von Meldern (Mn) angeschlossen sind, die regelmäßig von der Zentrale (Z) aus zyklisch angesteuert und auf ihren jeweiligen analogen Meldermeßwert abgefragt werden, wobei jeder Melder (Mn) eine Spannungsmeßeinrichtung (MU), die die angelegte Linienspannung (UL) überwacht, eine nachgeschaltete Verknüpfungslogik (VL) mit zugeordnetem Sensorteil (S), eine nachgeschaltete Steuereinrichtung (St), einen Energiespeicher (C) und einen Durchschaltetransistor (T) aufweist, wobei die Verknüpfungslogik (VL) im wesentlichen von einem Mikrorechner gebildet ist, der mit dem Anlegen einer Anschaltspannung (UAN) eingeschaltet wird und nach Ablauf einer erforderlichen Anlaufzeit (tan) den betreffenden Melder (M1,M2...) für den Datenverkehr aktiviert, wobei für den Empfang (E1,E2...) jeweils eine bestimmte Empfangszeit (te) und für das Antworten (A1,A2...) jeweils eine bestimmte Anwortzeit (ta) vorgesehen ist, und wobei ferner in inaktivem Zustand des Melders der Mikrorechner in einen stromsparenden Ruhezustand geschaltet wird,
dadurch gekennzeichnet,daß die Anschaltspannung (UAN) zu Beginn der zyklischen Abfrage den Mikrorechner des ersten Melders (M1) einschaltet, daß eine erste Empfangs- und Antwortzeit (te0 und ta0) vorgesehen ist, die die Anlaufzeit (tan1) für den ersten Melder (M1) bildet,daß nach dieser Anlaufzeit (tan1) der erste Melder (M1) in der Empfangszeit (te1) Empfangsdaten (E1) von der Zentrale (Z) empfängt und in der Antwortzeit (ta1) Daten (A1) an die Zentrale (Z) meldet,daß mit dem Empfang dieser Empfangsdaten zum zweiten Melder (M2) durchgeschaltet (DS) wird, wodurch der Mikrorechner des zweiten Melders eingeschaltet wird,daß die Empfangs- und Antwortzeit (te1 und ta1) des ersten Melders (M1) zugleich die Anlaufzeit (tan2) für den Mikrorechner des zweiten Melders (M2) ist,und daß dieser Vorgang sich bis zum letzten Melder einer Meldelinie (ML) wiederholt. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß die Empfangssignale (E0,E1...) teilweise den Spannungspegel, der der Ruhespannung entspricht, aufweisen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3834043 | 1988-10-06 | ||
DE3834043 | 1988-10-06 |
Publications (4)
Publication Number | Publication Date |
---|---|
EP0362797A2 EP0362797A2 (de) | 1990-04-11 |
EP0362797A3 EP0362797A3 (de) | 1991-01-16 |
EP0362797B1 EP0362797B1 (de) | 1994-12-28 |
EP0362797B2 true EP0362797B2 (de) | 2000-05-17 |
Family
ID=6364534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89118338A Expired - Lifetime EP0362797B2 (de) | 1988-10-06 | 1989-10-03 | Verfahren zum energiesparenden Betrieb von Gefahrenmeldern in einer Gefahrenmeldeanlage |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0362797B2 (de) |
AT (1) | ATE116464T1 (de) |
DE (1) | DE58908831D1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4030298A1 (de) * | 1990-09-25 | 1992-03-26 | Siemens Ag | Gefahrenmeldeanlage |
DE102009050692B4 (de) * | 2009-10-26 | 2011-12-01 | Phoenix Contact Gmbh & Co. Kg | Sicherheits-Kommunikationssystem zur Signalisierung von Systemzuständen |
DE102011018630B4 (de) * | 2011-04-21 | 2013-02-07 | Phoenix Contact Gmbh & Co. Kg | Sicherheits-Kommunikationssystem zur Signalisierung von Systemzuständen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2131991B (en) * | 1982-11-12 | 1986-05-29 | Robert Philp | Telemetry and like signaling systems |
DE3313137A1 (de) * | 1983-04-12 | 1984-10-18 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur stoersignalunterdrueckung in optischen rauchmeldern |
KR910008738B1 (ko) * | 1987-02-20 | 1991-10-19 | 닛본 덴기 가부시기가이샤 | 밧데리 절약 채널 스캔 기능을 갖고 있는 휴대용 무선 송수신기 |
-
1989
- 1989-10-03 AT AT89118338T patent/ATE116464T1/de not_active IP Right Cessation
- 1989-10-03 DE DE58908831T patent/DE58908831D1/de not_active Expired - Fee Related
- 1989-10-03 EP EP89118338A patent/EP0362797B2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0362797B1 (de) | 1994-12-28 |
EP0362797A2 (de) | 1990-04-11 |
DE58908831D1 (de) | 1995-02-09 |
ATE116464T1 (de) | 1995-01-15 |
EP0362797A3 (de) | 1991-01-16 |
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