ATE66082T1 - MONITORING DEVICE FOR SIGNAL LAMPS OF A ROAD TRAFFIC SIGNALING SYSTEM. - Google Patents

MONITORING DEVICE FOR SIGNAL LAMPS OF A ROAD TRAFFIC SIGNALING SYSTEM.

Info

Publication number
ATE66082T1
ATE66082T1 AT87108892T AT87108892T ATE66082T1 AT E66082 T1 ATE66082 T1 AT E66082T1 AT 87108892 T AT87108892 T AT 87108892T AT 87108892 T AT87108892 T AT 87108892T AT E66082 T1 ATE66082 T1 AT E66082T1
Authority
AT
Austria
Prior art keywords
signal
signals
switched
signal lamps
road traffic
Prior art date
Application number
AT87108892T
Other languages
German (de)
Inventor
Dieter Grimm
Peter Drebinger
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
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of ATE66082T1 publication Critical patent/ATE66082T1/en

Links

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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/126—Checking intermittently signalling or alarm systems of annunciator circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/097—Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Traffic Control Systems (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

In this monitoring device for signal lamps (RT-LA, GE-LA, GN-LA) of a road traffic signal arrangement with a control device (STE) for switching (RT-LS, GE-LS, GN-LS) the signal lamps and with a signal security device (SSE), the lamp current (I) of the red signals (RT-LA) and the lamp voltages (U) of the green and yellow signals (GN-LA, GE-LA) are monitored for conflict-free signalling and the circuits are checked for absence of malfunction. For this purpose, at regular intervals the existing switched states of the signals are changed for a short period of time. The signal security device (SSE) evaluates these expected changes as check signals; failure of a check signal indicates a malfunction of the signal securìty device. The short period of time is kept here to such a length that there is no visible effect on the signals, e.g. one millisecond. With a control instruction (KB) of the control device (STE) switched-on signal lamps are momentarily switched off and switched off signal lamps are momentarily switched on. <IMAGE>
AT87108892T 1986-06-25 1987-06-22 MONITORING DEVICE FOR SIGNAL LAMPS OF A ROAD TRAFFIC SIGNALING SYSTEM. ATE66082T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3621305 1986-06-25
EP87108892A EP0251097B1 (en) 1986-06-25 1987-06-22 Monitoring device for signal lights of a road traffic signal arrangement

Publications (1)

Publication Number Publication Date
ATE66082T1 true ATE66082T1 (en) 1991-08-15

Family

ID=6303686

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87108892T ATE66082T1 (en) 1986-06-25 1987-06-22 MONITORING DEVICE FOR SIGNAL LAMPS OF A ROAD TRAFFIC SIGNALING SYSTEM.

Country Status (5)

Country Link
EP (1) EP0251097B1 (en)
JP (1) JPS638900A (en)
AT (1) ATE66082T1 (en)
DE (1) DE3771946D1 (en)
GR (1) GR3002969T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3805949A1 (en) * 1988-02-25 1989-09-07 Siemens Ag DEVICE FOR THE PARTIAL SHUTDOWN OF A ROAD SIGNAL SYSTEM
DE3910864C1 (en) * 1989-04-04 1990-05-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
BE1004100A3 (en) * 1990-12-04 1992-09-22 Vertongen Patricia Francois CONTROL CIRCUIT FOR SIGNALING LIGHTS CONTROLLED BY A CONTROL DEVICE.
CN106652527B (en) * 2017-02-10 2019-09-06 青岛海信网络科技股份有限公司 A kind of method for diagnosing faults and system of traffic signal control
CN111681442A (en) * 2020-06-09 2020-09-18 贾若然 Signal lamp fault detection device based on image classification algorithm
CN115311884A (en) * 2022-04-29 2022-11-08 彭肇华 Novel traffic signal lamp fault detection system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544910A (en) * 1982-05-10 1985-10-01 Max Hoberman Exit sign lamp flashing system with self-checking provisions
DE3428444A1 (en) * 1984-08-01 1986-02-06 Siemens AG, 1000 Berlin und 8000 München MONITORING DEVICE FOR TRAFFIC SIGNALING SYSTEMS

Also Published As

Publication number Publication date
JPH0477360B2 (en) 1992-12-08
EP0251097A1 (en) 1988-01-07
GR3002969T3 (en) 1993-01-25
JPS638900A (en) 1988-01-14
EP0251097B1 (en) 1991-08-07
DE3771946D1 (en) 1991-09-12

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee