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EP0362797A3 - Method for the energy-saving operation of risk detectors in a risk detection arrangement - Google Patents

Method for the energy-saving operation of risk detectors in a risk detection arrangement Download PDF

Info

Publication number
EP0362797A3
EP0362797A3 EP19890118338 EP89118338A EP0362797A3 EP 0362797 A3 EP0362797 A3 EP 0362797A3 EP 19890118338 EP19890118338 EP 19890118338 EP 89118338 A EP89118338 A EP 89118338A EP 0362797 A3 EP0362797 A3 EP 0362797A3
Authority
EP
European Patent Office
Prior art keywords
microprocessor
time
detector
tan
detectors
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
Application number
EP19890118338
Other languages
German (de)
French (fr)
Other versions
EP0362797A2 (en
EP0362797B2 (en
EP0362797B1 (en
Inventor
Klaus Kaiser
Peer Dr.-Ing. Thilo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6364534&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0362797(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0362797A2 publication Critical patent/EP0362797A2/en
Publication of EP0362797A3 publication Critical patent/EP0362797A3/en
Application granted granted Critical
Publication of EP0362797B1 publication Critical patent/EP0362797B1/en
Publication of EP0362797B2 publication Critical patent/EP0362797B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The system operating in accordance with the principle of chain synchronization, comprising a central station (Z) having several two-core primary signalling lines (ML), to which a plurality of detectors (Mn) is connected in the form of a chain, which are cyclically regularly activated from the central station (Z) and are interrogated for their respective analog detector measuring value, in each case uses detectors (MN) which exhibit a voltage measuring device (MU) which monitors the applied line voltage (UL), a subsequent logic circuit (VL) with associated sensor part (S), a subsequent control device (St), an energy accumulator (C) and a switching transistor (T). The logic circuit (VL) is essentially formed by a microprocessor which can be connected and disconnected. According to the invention, the microprocessor is switched to a current-saving standby condition and switched on again in dependence on particular switching criteria (UAN, DS) which are specific for the hazard signalling system, a required start-up time (tan) being ensured for the microprocessor. For example, each detector (Mn) in turn receives with a cyclic interrogation a particular voltage (connecting voltage UAN) which switches on the microprocessor but only activates the detector concerned after a predetermined start-up time (tan), that after the start-up time (tan) has elapsed, the data traffic with the central station (Z) occurs, a particular receiving time (te) being in each case provided for the reception (E1, E2...) and a particular response time (ta) being in each case provided for the responding (signalling) (A1, A2...). After that, the microprocessor is disconnected with the switching-through (DS) to the next detector. <IMAGE>
EP89118338A 1988-10-06 1989-10-03 Method for the energy-saving operation of risk detectors in a risk detection arrangement Expired - Lifetime EP0362797B2 (en)

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 (en) 1990-04-11
EP0362797A3 true EP0362797A3 (en) 1991-01-16
EP0362797B1 EP0362797B1 (en) 1994-12-28
EP0362797B2 EP0362797B2 (en) 2000-05-17

Family

ID=6364534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89118338A Expired - Lifetime EP0362797B2 (en) 1988-10-06 1989-10-03 Method for the energy-saving operation of risk detectors in a risk detection arrangement

Country Status (3)

Country Link
EP (1) EP0362797B2 (en)
AT (1) ATE116464T1 (en)
DE (1) DE58908831D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030298A1 (en) * 1990-09-25 1992-03-26 Siemens Ag DANGER REPORTING SYSTEM
DE102009050692B4 (en) * 2009-10-26 2011-12-01 Phoenix Contact Gmbh & Co. Kg Security communication system for signaling system states
DE102011018630B4 (en) * 2011-04-21 2013-02-07 Phoenix Contact Gmbh & Co. Kg Security communication system for signaling system states

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131991A (en) * 1982-11-12 1984-06-27 Robert Philp Telemetry and like signalling systems
EP0125485A1 (en) * 1983-04-12 1984-11-21 Siemens Aktiengesellschaft Signal suppression circuit for optical smoke detectors
EP0279697A2 (en) * 1987-02-20 1988-08-24 Nec Corporation Portable radio apparatus having battery saving channel scanning function

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131991A (en) * 1982-11-12 1984-06-27 Robert Philp Telemetry and like signalling systems
EP0125485A1 (en) * 1983-04-12 1984-11-21 Siemens Aktiengesellschaft Signal suppression circuit for optical smoke detectors
EP0279697A2 (en) * 1987-02-20 1988-08-24 Nec Corporation Portable radio apparatus having battery saving channel scanning function

Also Published As

Publication number Publication date
DE58908831D1 (en) 1995-02-09
EP0362797A2 (en) 1990-04-11
EP0362797B2 (en) 2000-05-17
EP0362797B1 (en) 1994-12-28
ATE116464T1 (en) 1995-01-15

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