EP1197936A2 - Gefahrenmeldeanlage - Google Patents
Gefahrenmeldeanlage Download PDFInfo
- Publication number
- EP1197936A2 EP1197936A2 EP01123041A EP01123041A EP1197936A2 EP 1197936 A2 EP1197936 A2 EP 1197936A2 EP 01123041 A EP01123041 A EP 01123041A EP 01123041 A EP01123041 A EP 01123041A EP 1197936 A2 EP1197936 A2 EP 1197936A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- line
- detectors
- test
- test unit
- processor
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
-
- 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 hazard detection system according to the preamble of Claim 1.
- Hazard detection systems for example fire alarm systems, usually have one Larger number of hazard detectors connected to a two-wire alarm line are connected. This can be designed as a stub or as a loop which the individual detectors communicate with a control center. Every detector points a sensor or the like which, depending on parameters of its Environment produces measured values. The measured values are sent to the Control center transmit, which usually the individual detectors cyclically queries. To assign the measured values to the individual detectors , it is necessary to assign an identifier or an address to each detector. The address is stored in the detector's non-volatile memory. in the Processor of the control center, the registration addresses are stored, so that the control center with Use a suitable program to monitor the individual detectors can.
- the invention has for its object to provide a hazard alarm system, in which a multitude of errors can be easily identified and localized can, the effort for the test circuit and the measurement effort are minimal.
- test circuit arrangement which is part of the headquarters and for example on a special Command of the central control processor the operational state of the network Hazard detection system checked. This is done with the help of at least one test unit, which contains its own test processor in which a test program is stored is.
- a switch arrangement controlled by the test processor is also provided for the optional connection of the at least one test unit to the signaling line.
- the measuring means are for checking the operational condition of the alarm system in the alarm center integrated, so that in connection with an intelligent evaluation software Installation errors can be detected quickly and effectively.
- test circuit arrangement can be used for such errors are provided, with all test units with a test processor are connected. However, this can be provided redundantly.
- the test circuit arrangement is a module formed, for example in the form of a plug-in card on which all components of the test circuit arrangement are arranged.
- the test circuit arrangement has one Modem connection to check the network via a remote connection. This can take place over the telephone network, for example. With the help of such Possibility can check from a remote location, such as the Place of manufacture of the alarm system. The one in review Results obtained, in particular the errors found, can then read out and transmitted to the remote location via the remote connection. For example, before final commissioning or Acceptance of the alarm system installation errors discovered and rectified become.
- a test unit for A constant current source sees the determination of impermissibly large cable lengths before that to the line via a modulator and a controllable switch is switched. With the help of a data word sent by the test processor via a Modulator is generated and which also contains the address of a detector a detector is controlled and a switch in it causes the wires of the line connect to.
- the constant current source limits the current on the line a predetermined value, and a voltage measuring device can cover the whole Measure the voltage drop across the shorted section of the line.
- the voltage drop caused by the lines depends on the difference of the measured voltage drop and the sum of the voltage drops at the Reporting of the measured section and, if applicable, a measuring resistor via which the Constant current flows to ground. If the voltage drop caused solely by the Line length is determined, is known, the resistance of the line length determine, because the cross-section of the line is known. From the on resistance determined in this way for the lines of the measured section the length of the measured section can therefore also be determined. To this The total length of a line can be determined in this way. It's on the top described way also possible the length of line sections to determine between selected detectors by in the detectors which the Limit the line section, the cross switches are closed one after the other.
- the data word to control the individual detectors and to close the Cross switch is preferably voltage modulated according to an embodiment of the invention.
- a logic circuit and a are usually located in the detector Demodulator, so that the selected or addressed detector determines when it a command is given to close the cross switch. It can also be a Time switching are provided, which after a predetermined time Cross switch opens again to the line length for another section between detectors.
- Lines for the networks described often have a shield in the form a braid or a conductive foil that surrounds the wires of the lines.
- Such a shield has a very low resistance. she lies either at ground or at a given potential. It can in particular The area of the detectors during installation happens that one wire shields touched and thereby causes a short circuit. With the help of the test unit for one Such a short-circuit can be determined by so-called shielding monitoring. On This is easily done according to the invention in that the potential of Shielding is monitored via the test processor. Deviates the potential of a predetermined value, there is a contact of a wire with the shield in front.
- the monitoring circuits described in some cases have considerable space Dimensions. It is therefore advantageous if it is not only determined whether a There is a short circuit, but also where it is. Therefore looks an embodiment of the invention that the shield via a measuring resistor is connected to a potential source.
- the test circuit arrangement shows as already described at the beginning, a constant voltage source. This ensures for the fact that, in the case of the short circuit described, a predetermined, limited amount Current through the line, across the short circuit and the measuring resistor flows. The entire voltage drop essentially consists of the voltage drop from the line sections and the measuring resistor together. How mentioned, the shield hardly contributes to voltage reduction and can are therefore neglected. Because the voltage drop across the measuring resistor is known is the voltage drop caused by the line calculate.
- the Determine the resistance of the line section up to the short circuit point Because the cross section and the specific resistance of the veins is therefore known the resistance also calculate the length of the line to the short circuit. These calculations can be carried out in the test processor.
- the length of the line from the control center to the short circuit point is already one essential statement that makes it easier to find a short circuit. Yet it is easier if it can be determined between which neighboring ones A short circuit has occurred. In the method described above, lets determine the length of the line sections between the detectors. Are therefore the individual cable lengths saved in the test processor can then be calculated between which detectors the contact between the shield and Wire or short circuit is present
- Ring lines are often used in the hazard alarm systems described.
- the ends of each with symmetrical circuit arrangements of a center are connected. It is therefore possible to have a ring line from both ends to operate, for example if it is interrupted in the area of the short circuit becomes.
- a stub and the other branch line is operated from the other central section.
- the detectors in series with on the wire Horizontal isolating switches have to disconnect the cable on both sides a short circuit. In normal operation, the disconnectors are closed however opened on command from the control center. Since the headquarters "knows" between Which detectors are short-circuited can those adjacent to the short-circuit Detectors are controlled to open the disconnector.
- FIG. 1 shows a test circuit arrangement which is arranged within a box 10 shown in broken lines.
- the test circuit arrangement 10 is part of a control center (not shown further) of a hazard alarm system which has a ring line.
- Fig. 1 only the line A of the ring line is shown.
- Line A consists of wires 12 and 14, and in the course of line A a series of detectors M to M n is connected.
- the detectors M1, M2 and M n are shown. Part of the circuitry of the detectors M is shown in FIG. 2.
- a cross switch T3 can be seen, which connects the wires 12, 14 in the closed state.
- the voltage supply U STAB with a capacitor C and a diode D can also be seen.
- the signaling circuit is also supplied with voltage when the voltage on line A drops briefly or approaches zero.
- the detector M also has a modulator / demodulator 16, which converts a voltage pulse on the line line into logic signals for a logic circuit 18.
- Logic circuit 18 includes an address memory and multiple input / output lines. It receives a serial data signal (e.g. an address or a command) and executes a command if a received address matches the address stored in the logic circuit 18. This can e.g. B. be the case to operate the cross switch T3 and thus short-circuit the wires 12, 14.
- Each detector M has 14 disconnectors on both sides of the cross switch T3 in the wire T1, T2, which are normally closed during the operation of the detectors.
- the wires 12, 14 are connected to one another via Zener diodes, which are not specified in any more detail connected so that if the polarity of the detectors is reversed during installation Short circuit arises, which in turn is determined by a short circuit test circuit can be, which will be discussed further below.
- the test circuit arrangement 10 has a first test processor 20 and one second test processor 22 (CPU1 or CPU2).
- the test processor 20 is via a Interface 24 (COM1) with the central processor, not shown, of the central office for the hazard alarm system in connection.
- the test processor 22 is redundant intended.
- a constant voltage source 26 (I KA ) is connected to the core 12 via a modulator 28 (MA) and a switch 30 (S 1A ).
- the constant voltage source 26 is connected to a voltage supply 32 (U STABA ).
- the test processor 20 controls the modulator 28 and the switch 30 to e.g. B. to put a voltage modulated data word on the line when the switch 30 is closed.
- Another switch 33 which is also controlled by the test processor 20 (S 2A ), connects the wire 12 to ground when it is closed.
- a voltage measuring device 36 (A / D1 A ) is connected to the wire 12 and its output is connected to the test processor 20. The same applies to a voltage measuring device 38 (A / D2 A ) which is connected to the wire 14.
- the cores 12, 14 are surrounded by a shield 40, which is indicated by dashed lines in FIG. 1.
- the shield 40 is connected to a shield test unit 42, the output of which is connected to the test processor 20. It contains a test resistor 44 (R A ), which is connected to the shield 40 and with the other terminal to the potential U S.
- R A test resistor
- the shield is connected to the positive input of an operational amplifier 46, the output of which is connected to the test processor 20.
- the wire 14 is connected to ground via a measuring resistor 46a (R MA ), the same pole of the resistor 46a, which is connected to the wire 14, being connected to the positive input of an operational amplifier 48, the output of which is connected to the test processor 20.
- R MA measuring resistor 46a
- z. B the line length of the Determine line A or the wires 12, 14 and also the line lengths between desired detectors M, z. B. between neighboring detectors M.
- z. B the line length of the Determine line A or the wires 12, 14 and also the line lengths between desired detectors M, z. B. between neighboring detectors M.
- Equation 2 is calculated in the test processor 20 and the result R L (M n ) is stored. This value includes the line resistance between the connection of line A and the detector M n .
- the switch T3 in the detector M n is opened again. This is done with the aid of a suitable time circuit, which is accommodated in the detector, for example in the logic module 18. The line voltage goes back to operating potential.
- the measured values for the line sections and the entire line can be stored in the test processor 20.
- a short circuit between the shield 40 and one of the wires are determined as well as the location of the Short circuit.
- the shield 40 consists of a wire mesh or one Foil and is low-resistance and is neglected in the following calculations. Again, a normal operating state is assumed, i. H. Switch 30 is closed and switch 33 is open. Now the short circuit K1 detected and the short-circuit location can be determined.
- this line length can also be related to the determined lengths of the line sections between the detectors M1 ... M n . It is therefore easy to determine between which detectors the short circuit lies, ie here between detectors M1 and M2.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Alarm Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Abstract
Description
- Fig. 1
- zeigt schematisch eine Prüfschaltungsanordnung nach der Erfindung für eine Gefahrenmeldeanlage.
- Fig. 2
- zeigt schematisch einen Melder der Gefahrenmeldeanlage nach Fig. 1.
- URMA
- der Spannungsabfall über Widerstand RMA,
- UTX
- der Spannungsabfall über T1, T2 eines jeden Melders vor Mn,
- ULT
- der Spannungsabfall am Linienanschluß A,
- RTX
- der Gesamtwiderstand aller Schalter T1, T2 der Melder M1 bis Mn und
- RMA
- der Meßwiderstand vor dem Anschluß Minuslinie A ist.
- A
- der Querschnitt der Ader,
- RLK
- der gemessene Widerstandswert und
- ρ
- der spezifische Widerstand ist.
Claims (19)
- Gefahrenmeldeanlage miteiner Vielzahl von Meldern (M1 bis Mn) und ggf. anderen Linienelementen, die auf mindestens ein Gefahrenkriterium ansprechen und an eine zweiadrige Leitung (Linie A) angeschlossen sind,einer mit der Leitung (Linie A) verbundenen Zentrale, die eine Spannungsversorgung und einen zentralen Prozessor aufweist, in dem die Adressen der Melder (M1 bis Mn) gespeichert sind zur individuellen Ansteuerung und Abfrage der Melder (M1 bis Mn) sowie ein Programm zur Überwachung des Zustandes der Melder (M1 bis Mn),
- Anlage nach Anspruch 1, dadurch gekennzeichnet, daß die Prüfschaltungsanordnung (10) als Modul ausgebildet ist, etwa in Form einer Steckkarte.
- Anlage nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Prüfschaltungsanordnung (10) einen Modemanschluß aufweist zur Überprüfung des Netzes über eine Fernverbindung.
- Anlage nach einem der Ansprüche 1 bis 3, gekennzeichnet durch eine Prüfeinheit zur Prüfung der Verpolung der Melder (M1 bis Mn) bzw. der Linienelemente.
- Anlage nach einem der Ansprüche 1 bis 4, gekennzeichnet durch eine Prüfeinheit zur Überprüfung der Leitungslängen.
- Anlage nach einem der Ansprüche 1 bis 5, gekennzeichnet durch eine Prüfeinheit zur Überprüfung von Kurzschlüssen in der Leitung und/oder einer Berührung von Adern (12, 14) der Leitung (Linie A) bzw. der Abschirmung (40) der Leitung mit einer Ader (12, 14).
- Anlage nach einem der Ansprüche 1 bis 6, gekennzeichnet durch eine Prüfeinheit zur Überprüfung der installierten Netzes mit einem vorgegebenen Installationsplan.
- Anlage nach Anspruch 5, dadurch gekennzeichnet, daß die Prüfeinheit eine Konstantstromquelle (26) aufweist, die über einen Modulator (28) und einen steuerbaren Schalter (30) an die Leitung (Linie A) anschaltbar ist, wobei mit Hilfe des Prüfprozessors (20, 22) und des Modulator (28) ein Datenwort erzeugt wird, das die Adresse eines Melders (M1 bis Mn) und ein Steuersignal für einen die Adern (12, 14) verbindenden Querschalter (T3) enthält und ferner eine mit der Leitung (Linie A) verbundene Spannungsmeßvorrichtung (36) vorgesehen ist, die mit dem Prüfprozessor (20, 22) verbunden ist.
- Anlage nach Anspruch 8, dadurch gekennzeichnet, daß das Datenwort durch Spannungsmodulation im Modulator (28) gebildet ist.
- Anlage nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß eine Zeitschaltung vorgesehen ist, welche ein Öffnen des Schalters (T3) veranlaßt.
- Anlage nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, daß mindestens ein zweiter Schalter (33) vorgesehen ist, der eine Ader (14) der Leitung (Linie A) mit Masse verbindet zur Erzeugung eines in der Leitung Linie (A) fließenden Konstantstroms.
- Anlage nach einem der Ansprüche 6 bis 11, dadurch gekennzeichnet, daß eine Abschirmungsprüfeinheit (42) das Potential der Abschirmung (40) mittels des Prüfprozessors (20, 22) überwacht und ein Signal erzeugt, wenn das Potential von einem vorgegebenen Wert abweicht.
- Anlage nach Anspruch 12, dadurch gekennzeichnet, daß mit der Abschirmung (40) ein Meßwiderstand (44) verbunden ist, dessen Spannungsabfall auf den Prüfprozessor (20, 22) gegeben wird und aus dem Spannungswert am Anschluß der Leitung (Linie A) und dem gespeicherten Spannungsabfall des Meßwiderstands (URA) und dem Konstantstrom (IA) der Leitungswiderstand bis zur Kurzschlußstelle ermittelt und aus dem Widerstand die Leitungslänge bis zur Kurzschlußstelle.
- Anlage nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die Melder (M1 bis Mn) in Reihe mit einer Ader (14) liegende Trennschalter (T1, T2) aufweisen zur Auftrennung der Leitung (Linie A) auf beiden Seiten einer Kurzschlußstelle (K1).
- Verfahren zur Messung des Widerstands von Leitungsabschnitten oder Leitungslängen in Gefahrenmeldeanlagen mit den folgenden Merkmalen:eine Vielzahl von Meldern (M1 bis Mn) und ggf. anderen Linienelementen, die auf mindestens ein Gefahrenkriterium ansprechen und an eine zweiadrige Leitung (Linie A) angeschlossen sindeine mit der Leitung (Linie A) verbundene Zentrale, die eine Spannungsversorgung und einen zentralen Prozessor aufweist, in dem die Adressen der Melder (M1 bis Mn) gespeichert sind zur individuellen Ansteuerung und zur Abfrage der Melder (M1 bis Mn) sowie ein Programm zur Überwachung des Zustands der Melder (M1 bis Mn)eine Prüfeinheit (10) wird mit der Leitung (12, 14) verbundenein Prüfprozessor (20, 22) der Prüfeinheit (10), in dem die Adressen der Melder (M1 bis Mn) gespeichert werden, gibt an einen vorgegebenen Melder (Mn) über seine Adresse einen Befehl zum Schließen eines die Adern der Leitung (12, 14) verbindenden Querschalters (T3) im Melder (Mn)eine Konstantstromquelle (IKA) der Prüfeinheit (10) erzeugt einen Konstantstrom (IA) auf der Leitung (12, 14)eine Spannungsmeßvorrichtung (36) mißt den Spannungsabfall am Anschluß der Leitung (12, 14) und gibt dem Meßwert auf den Prüfprozessor (20, 22)der Prüfprozessor (20, 22) errechnet den Widerstand der Summe der Leitungsabschnitte zwischen dem Anschluß der Leitung (12, 14) und dem Melder (Mn) unter Subtraktion der Widerstände der Melder (M1 bis Mn-1) und ggf. eines Begrenzungswiderstands (RMA).
- Verfahren nach Anspruch 15, dadurch gekennzeichnet, daß der Widerstand bzw. die Leitungslänge zwischen benachbarten Meldern (Mn, M2) berechnet wird, indem die Schritte nach Anspruch 15 für den benachbarten Melder (M2) wiederholt werden und der kleinere Widerstandswert vom größeren subtrahiert wird.
- Verfahren nach Anspruch 15 oder 16, dadurch gekennzeichnet, daß eine Zeitschaltung in den Meldern den Querschalter (T3) nach einer vorgegebenen Zeit öffnet, wenn er vorher geschlossen wurde.
- Verfahren nach einem der Ansprüche 15 bis 17, dadurch gekennzeichnet, daß die Widerstände bzw. die Leitungslänge der einzelnen Leitungsabschnitte zwischen den Meldern (M1 bis Mn) und die vorgegebenen Widerstandswerte der einzelnen Melder (M1 bis Mn) im Prüfprozessor (20, 22) gespeichert werden und bei einer späteren Messung im Betrieb die gemessenen Widerstände für die Melder mit den gespeicherten Widerstandswerten für die Melder verglichen werden.
- Verfahren zur Bestimmung eines Kurzschlusses zwischen der Leitung einer Gefahrenmeldeanlage und einer Abschirmung für die Leitung, wobei die Gefahrenmeldeanlage umfaßt:eine Vielzahl von Meldern (M1 bis Mn) und ggf. anderen Linienelementen, die auf mindestens ein Gefahrenkriterium ansprechen und an eine zweiadrige Leitung (Linie A) angeschlossen sindeine mit der Leitung (Linie A) verbundene Zentrale, die eine Spannungsversorgung und einen zentralen Prozessor aufweist, in dem die Adressen der Melder (M1 bis Mn) gespeichert sind zur individuellen Ansteuerung und zur Abfrage der Melder (M1 bis Mn) sowie ein Programm zur Überwachung des Zustands der Melder (M1 bis Mn)die Abschirmung (40) wird über einen Widerstand (RA) der Prüfeinheit (10) mit Masse verbundeneine Konstantstromquelle (IKA) der Prüfeinheit (10) erzeugt auf der Leitung (12, 14) einen Konstantstrom (IA)eine Spannungsmeßvorrichtung (36) mißt den Spannungsabfall am Anschluß der Leitung (12, 14) und gibt den Meßwert auf den Prüfprozessor (20, 22)der Prüfprozessor (20, 22) errechnet den Widerstand der kurzgeschlossenen Leitung bis zur Kurzschlußstelle (K1) und errechnet aus den Parametern der Leitung (12, 14) die Leitungslänge bis zur Kurzschlußstelle (K1).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10051329A DE10051329C2 (de) | 2000-10-10 | 2000-10-10 | Gefahrenmeldeanlage |
DE10051329 | 2000-10-10 |
Publications (4)
Publication Number | Publication Date |
---|---|
EP1197936A2 true EP1197936A2 (de) | 2002-04-17 |
EP1197936A3 EP1197936A3 (de) | 2003-07-02 |
EP1197936B1 EP1197936B1 (de) | 2005-02-02 |
EP1197936B2 EP1197936B2 (de) | 2008-05-14 |
Family
ID=7660027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01123041A Expired - Lifetime EP1197936B2 (de) | 2000-10-10 | 2001-09-26 | Gefahrenmeldeanlage |
Country Status (5)
Country | Link |
---|---|
US (1) | US6507277B2 (de) |
EP (1) | EP1197936B2 (de) |
CN (1) | CN1157696C (de) |
AT (1) | ATE288605T1 (de) |
DE (2) | DE10051329C2 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1363261A1 (de) * | 2002-05-17 | 2003-11-19 | Securiton AG | Verfahren zum Betrieb einer Gefahrenmeldeanlage sowie Gefahrenmeldeanlage, insbesondere zur Durchführung des Verfahrens |
WO2009087169A1 (de) * | 2008-01-10 | 2009-07-16 | Robert Bosch Gmbh | Überwachungsvorrichtung für ein meldesystem, meldesystem und verfahren zur überwachung des meldesystems |
WO2012045436A1 (de) * | 2010-10-04 | 2012-04-12 | Novar Gmbh | Verfahren zum betreiben einer sprachdurchsageanlage |
EP2437228B1 (de) * | 2010-10-04 | 2016-08-10 | Hekatron Vertriebs GmbH | Gefahrenmelder, Gefahrenmeldeanlage und Verfahren zum Erkennen von Leitungsfehlern |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10234612A1 (de) | 2002-07-30 | 2004-02-19 | Robert Bosch Gmbh | Gefahrenmeldeanlage |
EP2051220A1 (de) * | 2007-10-17 | 2009-04-22 | Siemens Building Technologies Fire & Security Products GmbH & Co. oHG | Trennvorrichtung mit Energiespeicher für Energie führende elektrische Leitung |
EP3540706B1 (de) * | 2018-03-14 | 2020-10-21 | Siemens Schweiz AG | System und verfahren zur adressierung entfernt betätigter sicherheitsvorrichtungen |
DE102019203627A1 (de) * | 2019-03-18 | 2020-09-24 | Siemens Healthcare Gmbh | Detektion von Störungen bei der Messung von bioelektrischen Signalen |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2935335A1 (de) † | 1979-08-31 | 1981-03-19 | Siemens AG, 1000 Berlin und 8000 München | Gleichstrom-meldeanlage |
EP0052220A2 (de) † | 1980-11-17 | 1982-05-26 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Widerstandsmessung an einer Meldeleitung |
DE3614692A1 (de) † | 1986-04-30 | 1987-11-05 | Nixdorf Computer Ag | Gefahrenmeldeanlage |
US4864519A (en) * | 1984-12-18 | 1989-09-05 | Gent Limited | Information transmission system |
EP0532787A1 (de) * | 1991-09-19 | 1993-03-24 | Siemens Aktiengesellschaft | Vorrichtung zum Betreiben von Gefahrenmeldern |
DE29611600U1 (de) † | 1996-07-03 | 1996-09-05 | Siemens AG, 80333 München | Anordnung zur Prüfung einer Alarmanlage |
DE19516092A1 (de) † | 1995-05-03 | 1996-11-07 | Merk Gmbh Telefonbau Fried | Gefahrenmeldeanlage mit wenigstens einer Schirmleitung |
DE19538754A1 (de) † | 1995-10-18 | 1997-04-24 | Bosch Gmbh Robert | Verfahren zur Überwachung von Primärleitungen |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3797008A (en) | 1971-02-04 | 1974-03-12 | Nittan Co Ltd | Fire detecting system |
DE2939462C2 (de) * | 1979-09-28 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und Einrichtung zur Identifizierung einzelner Melder in Einbruch- oder Brandmeldeanlagen |
JPS5947694A (ja) | 1982-09-10 | 1984-03-17 | ニツタン株式会社 | 警報装置のセンサ試験回路 |
DE3374241D1 (en) * | 1982-11-23 | 1987-12-03 | Cerberus Ag | Control device with several detectors connected in chain form to a signal line |
US5045787A (en) | 1989-12-27 | 1991-09-03 | General Signal Corporation | Apparatus and method for measuring insulated track joint resistances |
US5499023A (en) | 1992-05-27 | 1996-03-12 | Kaye Instruments, Inc. | Method of and apparatus for automated sensor diagnosis through quantitative measurement of one of sensor-to-earth conductance or loop resistance |
DE4321054C2 (de) * | 1993-06-24 | 1995-12-14 | Siemens Ag | Verfahren zur Unterstützung von Testroutinen |
US5583848A (en) * | 1994-11-15 | 1996-12-10 | Telefonaktiebolaget L M Ericsson | Methods for verification of routing table information |
US5544154A (en) * | 1995-03-09 | 1996-08-06 | Telefonaktiebolaget Lm Ericsson | Method for determining the load induced by a routing verification test on a network |
US5553058A (en) * | 1995-07-10 | 1996-09-03 | Telefonaktiebolaget Lm Ericsson | Centralized load minimizing method for periodical routing verification tests scheduling |
US5638357A (en) * | 1995-08-25 | 1997-06-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Distributed method for periodical routing verification test scheduling |
US5680054A (en) * | 1996-02-23 | 1997-10-21 | Chemin De Fer Qns&L | Broken rail position detection using ballast electrical property measurement |
US6150936A (en) | 1996-05-20 | 2000-11-21 | Pittway Corporation | Method and system for analyzing received signal strength |
US5872823A (en) * | 1997-04-02 | 1999-02-16 | Sutton; Todd R. | Reliable switching between data sources in a synchronous communication system |
DE69817435T2 (de) | 1997-04-21 | 2004-03-11 | Honeywell International Inc. | Installierung und Überwachung von drahtlosen Sicherheitseinrichtungen mit reduzierter Energie |
US6185191B1 (en) * | 1997-12-03 | 2001-02-06 | Harris Corporation | Testing of ISDN line via auxiliary channel signaling |
US6195395B1 (en) * | 1998-03-18 | 2001-02-27 | Intel Corporation | Multi-agent pseudo-differential signaling scheme |
US6342836B2 (en) * | 2000-02-25 | 2002-01-29 | Harry I. Zimmerman | Proximity and sensing system for baggage |
-
2000
- 2000-10-10 DE DE10051329A patent/DE10051329C2/de not_active Expired - Fee Related
-
2001
- 2001-09-26 AT AT01123041T patent/ATE288605T1/de not_active IP Right Cessation
- 2001-09-26 EP EP01123041A patent/EP1197936B2/de not_active Expired - Lifetime
- 2001-09-26 DE DE50105236T patent/DE50105236D1/de not_active Expired - Lifetime
- 2001-10-10 CN CNB011412275A patent/CN1157696C/zh not_active Expired - Fee Related
- 2001-10-10 US US09/975,439 patent/US6507277B2/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2935335A1 (de) † | 1979-08-31 | 1981-03-19 | Siemens AG, 1000 Berlin und 8000 München | Gleichstrom-meldeanlage |
EP0052220A2 (de) † | 1980-11-17 | 1982-05-26 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Widerstandsmessung an einer Meldeleitung |
US4864519A (en) * | 1984-12-18 | 1989-09-05 | Gent Limited | Information transmission system |
DE3614692A1 (de) † | 1986-04-30 | 1987-11-05 | Nixdorf Computer Ag | Gefahrenmeldeanlage |
EP0532787A1 (de) * | 1991-09-19 | 1993-03-24 | Siemens Aktiengesellschaft | Vorrichtung zum Betreiben von Gefahrenmeldern |
DE19516092A1 (de) † | 1995-05-03 | 1996-11-07 | Merk Gmbh Telefonbau Fried | Gefahrenmeldeanlage mit wenigstens einer Schirmleitung |
DE19538754A1 (de) † | 1995-10-18 | 1997-04-24 | Bosch Gmbh Robert | Verfahren zur Überwachung von Primärleitungen |
DE29611600U1 (de) † | 1996-07-03 | 1996-09-05 | Siemens AG, 80333 München | Anordnung zur Prüfung einer Alarmanlage |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1363261A1 (de) * | 2002-05-17 | 2003-11-19 | Securiton AG | Verfahren zum Betrieb einer Gefahrenmeldeanlage sowie Gefahrenmeldeanlage, insbesondere zur Durchführung des Verfahrens |
WO2009087169A1 (de) * | 2008-01-10 | 2009-07-16 | Robert Bosch Gmbh | Überwachungsvorrichtung für ein meldesystem, meldesystem und verfahren zur überwachung des meldesystems |
WO2012045436A1 (de) * | 2010-10-04 | 2012-04-12 | Novar Gmbh | Verfahren zum betreiben einer sprachdurchsageanlage |
CN103299352A (zh) * | 2010-10-04 | 2013-09-11 | 诺瓦尔有限责任公司 | 一种用于运行语音广播装置的方法 |
CN103299352B (zh) * | 2010-10-04 | 2015-08-19 | 诺瓦尔有限责任公司 | 一种用于运行语音广播装置的方法 |
EP2437228B1 (de) * | 2010-10-04 | 2016-08-10 | Hekatron Vertriebs GmbH | Gefahrenmelder, Gefahrenmeldeanlage und Verfahren zum Erkennen von Leitungsfehlern |
US9462401B2 (en) | 2010-10-04 | 2016-10-04 | Novar Gmbh | Method for operating a public address system |
Also Published As
Publication number | Publication date |
---|---|
DE10051329C2 (de) | 2003-12-11 |
DE50105236D1 (de) | 2005-03-10 |
US20020057198A1 (en) | 2002-05-16 |
ATE288605T1 (de) | 2005-02-15 |
EP1197936B1 (de) | 2005-02-02 |
US6507277B2 (en) | 2003-01-14 |
EP1197936B2 (de) | 2008-05-14 |
DE10051329A1 (de) | 2002-04-18 |
CN1372229A (zh) | 2002-10-02 |
EP1197936A3 (de) | 2003-07-02 |
CN1157696C (zh) | 2004-07-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE19643092A1 (de) | Feld-Datenbussystem | |
DE69933839T2 (de) | Verfahren und Vorrichtung zur Detektion von Leitungsshunt und Erdschlussfehler | |
EP0007579B1 (de) | Schaltungsanordnung zur Überwachung des Zustands von Signalanlagen, insbesondere von Strassenverkehrs-Lichtsignalanlagen | |
EP0042501B1 (de) | Einrichtung zur Übertragung von Messwerten in einem Brandmeldesystem | |
EP1109143A2 (de) | Verfahren und Vorrichtung zur Bestimmung von als Stromsenken wirkenden gestörten Meldern in einer Gefahrenmeldeanlage | |
DE10359988A1 (de) | Messeinrichtung, insbesondere Temperaturmessumformer | |
DE69420458T2 (de) | Leitungsfehlerüberwachungsvorrichtung | |
EP0004909B1 (de) | Gefahrenmeldeanlage | |
CH618801A5 (de) | ||
EP1197936B1 (de) | Gefahrenmeldeanlage | |
DE602004009707T2 (de) | Diagnostisches system für ein modulares feldbus-board | |
DE102011117248A1 (de) | Verfahren und Vorrichtung zur Überwachung von Komponenten eines Fahrzeugs | |
DE2939494A1 (de) | Schaltungsanordnungen fuer einbruch- oder feuermeldeanlagen | |
DE3910864C1 (de) | ||
DE68916969T2 (de) | Prüfung von elektrischen kreisen. | |
EP2437228B1 (de) | Gefahrenmelder, Gefahrenmeldeanlage und Verfahren zum Erkennen von Leitungsfehlern | |
EP0295593B1 (de) | Einzelidentifikation | |
DE4133936A1 (de) | Anzeigeeinrichtung fuer elektrische wechselspannungen | |
EP0809361B1 (de) | Elektronisches Schaltgerät und Schaltungsanordnung zur Überwachung einer Anlage | |
DE102008048929B4 (de) | Prüfung der Meldelinien einer Gefahrenmeldeanlage | |
EP0121926A1 (de) | Schaltungsanordnung mit selbsttätiger Teilnehmeranschlussleitungsüberwachung | |
DE3122109C2 (de) | ||
DE2711519B2 (de) | Datenübertragungs-Anlage | |
EP0763877B1 (de) | Kommunikationssystem | |
DE1908255A1 (de) | Fernalarmnetz |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
17P | Request for examination filed |
Effective date: 20031017 |
|
AKX | Designation fees paid |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050202 Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20050202 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20050202 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20050202 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20050202 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: GERMAN |
|
REF | Corresponds to: |
Ref document number: 50105236 Country of ref document: DE Date of ref document: 20050310 Kind code of ref document: P |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: NV Representative=s name: ISLER & PEDRAZZINI AG |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20050502 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20050502 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20050502 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20050513 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050926 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20050926 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050930 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050930 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050930 |
|
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
PLAX | Notice of opposition and request to file observation + time limit sent |
Free format text: ORIGINAL CODE: EPIDOSNOBS2 |
|
26 | Opposition filed |
Opponent name: NOVAR GMBH Effective date: 20051028 |
|
ET | Fr: translation filed | ||
PLAF | Information modified related to communication of a notice of opposition and request to file observations + time limit |
Free format text: ORIGINAL CODE: EPIDOSCOBS2 |
|
PLBB | Reply of patent proprietor to notice(s) of opposition received |
Free format text: ORIGINAL CODE: EPIDOSNOBS3 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PCAR Free format text: ISLER & PEDRAZZINI AG;POSTFACH 1772;8027 ZUERICH (CH) |
|
BERE | Be: lapsed |
Owner name: JOB LIZENZ G.M.B.H. & CO. KG Effective date: 20050930 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050702 |
|
PUAH | Patent maintained in amended form |
Free format text: ORIGINAL CODE: 0009272 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: PATENT MAINTAINED AS AMENDED |
|
27A | Patent maintained in amended form |
Effective date: 20080514 |
|
AK | Designated contracting states |
Kind code of ref document: B2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: AEN Free format text: AUFRECHTERHALTUNG DES PATENTES IN GEAENDERTER FORM |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20050927 |
|
PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 16 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R082 Ref document number: 50105236 Country of ref document: DE Representative=s name: HAUCK PATENTANWALTSPARTNERSCHAFT MBB, DE Ref country code: DE Ref legal event code: R081 Ref document number: 50105236 Country of ref document: DE Owner name: DETECTOMAT GMBH, DE Free format text: FORMER OWNER: JOB LIZENZ GMBH & CO KG, 22926 AHRENSBURG, DE |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: 732E Free format text: REGISTERED BETWEEN 20170824 AND 20170830 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 17 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20171005 Year of fee payment: 17 Ref country code: FR Payment date: 20171023 Year of fee payment: 17 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20171024 Year of fee payment: 17 Ref country code: IE Payment date: 20171020 Year of fee payment: 17 Ref country code: CH Payment date: 20171023 Year of fee payment: 17 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 50105236 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20180926 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180926 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190402 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180930 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180930 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180930 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180926 |