DK0645945T3 - Flash light warning system for use in vehicles - Google Patents

Flash light warning system for use in vehicles

Info

Publication number
DK0645945T3
DK0645945T3 DK94114494T DK94114494T DK0645945T3 DK 0645945 T3 DK0645945 T3 DK 0645945T3 DK 94114494 T DK94114494 T DK 94114494T DK 94114494 T DK94114494 T DK 94114494T DK 0645945 T3 DK0645945 T3 DK 0645945T3
Authority
DK
Denmark
Prior art keywords
recognition system
clock generator
fault
signal
flash tube
Prior art date
Application number
DK94114494T
Other languages
Danish (da)
Inventor
Frank Klein
Gerhard Hinze
Werner Lepper
Original Assignee
Hella Kg Hueck & Co
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 Hella Kg Hueck & Co filed Critical Hella Kg Hueck & Co
Application granted granted Critical
Publication of DK0645945T3 publication Critical patent/DK0645945T3/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/34—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp to provide a sequence of flashes

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Traffic Control Systems (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Audible And Visible Signals (AREA)

Abstract

A flashing light warning device for use in vehicles has a voltage converter which is fed by the electric system of the vehicle by means of a converter controller, an energy store which is charged with the voltage generated by the voltage converter and which, together with a flash tube, forms a lamp circuit, and an ignition stage (trigger stage) which is connected to the flash tube and to a clock generator. The ignition stage generates ignition pulses for igniting the flash tube as a function of the clock signals of the clock generator. In order to protect, as well as possible, people from harm when they come into contact with parts of the device which carry high voltage, the device is provided with the following features: a current sensor is arranged in the lamp circuit, the current sensor is connected to a fault current recognition system, the fault current recognition system is connected to the clock generator, the fault current recognition system logically combines the clock signal from the clock generator to the signal from the current sensor, a fault signal is generated only outside the pulse time of the light flashes, and the fault current recognition system is connected to the converter controller for switching off the voltage converter only if a fault signal is present. <IMAGE>
DK94114494T 1993-09-29 1994-09-15 Flash light warning system for use in vehicles DK0645945T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4333045A DE4333045A1 (en) 1993-09-29 1993-09-29 Flashing light warning system for operation in vehicles

Publications (1)

Publication Number Publication Date
DK0645945T3 true DK0645945T3 (en) 1999-08-23

Family

ID=6498875

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94114494T DK0645945T3 (en) 1993-09-29 1994-09-15 Flash light warning system for use in vehicles

Country Status (5)

Country Link
EP (1) EP0645945B1 (en)
AT (1) ATE174749T1 (en)
DE (2) DE4333045A1 (en)
DK (1) DK0645945T3 (en)
ES (1) ES2124826T3 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU385303A1 (en) * 1971-02-01 1973-05-29 4 "NON-PARTNER PATNNI-TSHKYNEPNA?
DE2703387B2 (en) * 1977-01-27 1979-07-12 Heimann Gmbh, 6200 Wiesbaden Beacon system for motorcycles
IT1155172B (en) * 1982-04-30 1987-01-21 Wepoo Spa PROTECTION CIRCUIT OF A FLASHING SIGNALING DEVICE
US4701672A (en) * 1985-05-28 1987-10-20 Tomar Electronics, Inc. Strobe flash monitor
US4870543A (en) * 1988-10-24 1989-09-26 Robert L. Horton Extensible safety light
DE3917062A1 (en) * 1989-05-26 1990-11-29 Hella Kg Hueck & Co LIGHTNING FLASH WARNING SYSTEM
DE9102562U1 (en) * 1990-10-26 1991-06-13 UKE Kranefeld Elektronik GmbH, 4479 Herzlake Electronic safety shutdown, high voltage side

Also Published As

Publication number Publication date
EP0645945B1 (en) 1998-12-16
ES2124826T3 (en) 1999-02-16
ATE174749T1 (en) 1999-01-15
EP0645945A1 (en) 1995-03-29
DE59407487D1 (en) 1999-01-28
DE4333045A1 (en) 1995-03-30

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