EP1330804B1 - Dispositif avertisseur pour conducteurs - Google Patents

Dispositif avertisseur pour conducteurs Download PDF

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Publication number
EP1330804B1
EP1330804B1 EP01944726A EP01944726A EP1330804B1 EP 1330804 B1 EP1330804 B1 EP 1330804B1 EP 01944726 A EP01944726 A EP 01944726A EP 01944726 A EP01944726 A EP 01944726A EP 1330804 B1 EP1330804 B1 EP 1330804B1
Authority
EP
European Patent Office
Prior art keywords
alarm system
transmitting unit
antenna
trx
frequencies
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
Application number
EP01944726A
Other languages
German (de)
English (en)
Other versions
EP1330804A1 (fr
Inventor
Gerhard Neumann
Michael Di Koller
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 Oesterreich
Original Assignee
Siemens AG Oesterreich
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 Oesterreich filed Critical Siemens AG Oesterreich
Publication of EP1330804A1 publication Critical patent/EP1330804A1/fr
Application granted granted Critical
Publication of EP1330804B1 publication Critical patent/EP1330804B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0965—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages responding to signals from another vehicle, e.g. emergency vehicle

Definitions

  • the invention relates to a warning device for drivers with a transmission device, which is set up on several different, in a frequency memory stored frequencies to send at least one radio frequency range.
  • a warning device of the type mentioned is apparent from DE 40 05 445 A1. at This warning device is intended to announce an accident to the three to five vehicles Repeat strongest frequencies. Aside from being mandatory here If the pilot tone is used, the cyclic announcement on several frequencies leads to delays in the order of a minute, if for example only the last frequency is received within the cycle. This is, for example, the warning of a ghost driver hardly possible, since this already covered a long distance within the stated time has traveled and is therefore also outside the transmission range, or already may have caused an accident.
  • EP 0 942 402 A2 describes an emergency warning device for emergency vehicles, which in addition to acoustic and / or optical warning signals, a warning on a frequency in to broadcast a radio band. This is done on a single fixed frequency, e.g. B. on upper or lower end of the FM broadcast range, provided that the Receiver is then tuned to this frequency.
  • an HF stage For receptions with two RF input parts, which are de facto required, an HF stage must be an automatic one Own station search.
  • the disclosed facility therefore not only sets special recipients among road users ahead, but is also characterized by additional ones Delay times due to the voting process.
  • the warning device for sending warning messages simultaneously several different frequencies is formed via at least one antenna.
  • the principle underlying the invention is based on the fact that in a certain In the majority of cases, drivers located in the danger zone use a radio receiver have switched on, in Central Europe usually in the FM radio range. Because according to the invention warning messages on several, for. B. 20 frequencies radiated simultaneously it is possible, de facto, for every driver who listens to the radio or at least his device has switched on, provided of course that on the one hand the locally in question coming frequencies are chosen and the transmission power is sufficient to be tight in one limited range to displace the currently set radio transmitter in terms of HF.
  • the text “Warning they have the wrong driveway used and ghost drivers "or” Acute ice risk "etc. are saved so that the warning is understandable without further consideration is.
  • At least one sensor for generating a trigger signal is provided, which thereby without further delays, for. B. by operating personnel, a Warning can be initiated.
  • Sensors that come into question here are known, for example inductive loops in the road, temperature sensors, flue gas sensors etc.
  • Warning messages from the memory as messages to be sent to the transmitting device leads and activates them. This will, for example, if a ghost driver is found using a suitable sensor, the ghost driver warning is practically instantaneous sent out from memory.
  • the transmitting device has a plurality of carrier generators with these associated modulators and the modulated carriers are fed to a common RF output stage.
  • the transmission power the common output stage is dimensioned so large that radio transmitter in one receiver of a motor vehicle can be displaced within the intended warning range
  • a stationary, scanning monitoring receiver is provided with at least one antenna, which scans the at least one radio frequency range at predeterminable time intervals and recorded and predefinable criteria corresponding frequencies of radio stations feeds the frequency memory of the transmitter for storage. Not known is, which transmitter the drivers to be warned have just tuned in, is through this Measure reached a very high probability that motorists actually did to reach. It is particularly appropriate if the criteria that can be specified have a minimum field strength contain at least one antenna. Also can be convenient certain RDS identifiers are assigned to the frequencies.
  • the flexibility and economy of the warning device can be increased if the Monitoring receiver in the non-scanning state a predeterminable frequency of a Transmitter with RDS function monitored for messages, and received messages to the Forwarding device and / or forwarded to controlled display devices.
  • the Transmitting device with the support of the RDS system emits an alarm bit.
  • a transmission device TRX has an antenna SAN can emit, equipped with a frequency memory FME an output stage HFE, a Modulator block MOD and a frequency memory FME for a number of frequencies, for example in the FM radio band that generally between 76 and 108 MHz is located.
  • the frequency memory FME can either preset the frequency here from a scanning Receiver UWE or from another, e.g. B. also manually operable input ENG receive.
  • An antenna EAN is assigned to the receiver UWE, however, if observed Commonly known arrangements transmitter TRX and receiver UWE a common Own antenna.
  • An audio signal s s from a voice memory SSP and / or a further, in particular digital signal s d from another source QEL can be fed to the modulator block MOD.
  • the invention also provides that the transmitter TRX is started on the basis of a trigger signal s a , which can originate from a sensor SES which, for. B. is triggered by ghost driver cars.
  • the trigger signal s a can also come from another source SOV, in the simplest case a manually operated switch.
  • the scanning receiver is UWE Spectrum analyzer SAL, which scans the entire FM range, where transmitters or their frequencies, the reception field strength below that for normal radio reception necessary minimum field strength, are ignored.
  • SAL Spectrum analyzer
  • the modulator block MOD in this embodiment contains twenty carrier generators P01 ... P20, which, for. B. are built on a PLL basis and their frequencies are determined via a frequency signal f from the frequency memory FME.
  • the generators P01 ... P20 are each followed by individual modulators M01 ... M20, the outputs of which are fed to the common RF power output stage HFE via a coupling network KOP.
  • the signals s s , s a are fed to the individual modulators M01 ... M20.
  • the SES sensor in the area of a motorway entrance - it can of course also are several sensors that work according to different principles - and on the other hand, a warning system connected to this, consisting of the monitoring receiver UWE and the transmitter TRX. Against the direction of travel on the highway ascending vehicles trigger the SES sensor so that the HFE power amplifier starts up and a warning message from the voice memory SSP on twenty radio frequencies is broadcast simultaneously.
  • the warning device is installed near the SES sensor and the SAN transmission antenna can, for example, by a correspondingly isolated and measured section of a Guardrail be formed.
  • the transmit power of the HFE power amplifier is dimensioned so that in one Range of a few hundred meters the signal is strong enough to pass other transmitters in the To displace the receiver of a motor vehicle.
  • the "beginning" ghost driver warned about his car radio and be advised that he is about to To become a ghost driver.
  • an antenna for will use the transmitter that has less omnidirectional characteristics but the one in question coming roadway as accurately and far as possible.
  • the monitoring receiver reads the possible frequencies into the FME frequency memory UWE has already been described above. It is also possible in addition to the Reception field strength use other criteria for the selection. So by reading out the RDS identifier ignores a locally strong, but foreign station because it is very likely that the drivers on their radio is not received.
  • a controller can also be used via RDS from a center to send other information, such as. B. Enable traffic jams.
  • the monitoring receiver USW is programmed that he only ever receives one radio program in the idle phase.
  • RDS can also be used for paging and can also be used by others pre-stored messages or displays, such as controlled traffic signs, are issued or are displayed.
  • the traffic announcement bit mentioned above can also be used expediently TA are emitted to e.g. B. switching from CD to radio too cause, and also an alarm bit AB, which to trigger additional functions, for. B. can be used to emit a loud sound.
  • the invention is preferably a stationary one Warning device on z. B. places at risk from ghost drivers that the warning device with many advantages but also in police vehicles etc. as well as in Traffic helicopters could be used to address drivers in emergencies to be able to.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
  • Traffic Control Systems (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Stepping Motors (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Dc-Dc Converters (AREA)

Claims (13)

  1. Dispositif avertisseur pour conducteurs comportant un dispositif d'émission (TRX), qui est conçu de manière à émettre sur plusieurs fréquences différentes, mémorisées dans une mémoire de fréquences (FME), d'au moins une gamme de fréquences de radiodiffusion sonore,
    caractérisé en ce que
    le dispositif avertisseur est agencé pour émettre des signalisations d'avertissement simultanément sur plusieurs fréquences différentes par l'intermédiaire d'au moins une antenne (SAM).
  2. Dispositif avertisseur selon la revendication 1, caractérisé par au moins une mémoire (SFE) pour des signalisations d'avertissement acoustiques.
  3. Dispositif avertisseur selon la revendication 1 ou 2, caractérisé par au moins un capteur (SES) pour produire un signal de déclenchement (sa).
  4. Dispositif avertisseur selon les revendications 2 et 3, caractérisé en ce que lors de l'apparition d'un signal de déclenchement (sa), il transmet les signalisations d'avertissement de la mémoire (SSP) en tant que signalisation à émettre au dispositif d'émission (TRX) et active ce dernier.
  5. Dispositif avertisseur selon l'une des revendications 1 à 4, caractérisé en ce que le dispositif d'émission (TRX) comporte plusieurs générateurs de porteuses (P01 ... P20), auxquels sont associés des modulateurs (M01 ... M20) et que les porteuses modulées sont associées à un étage final (HF) commun (HFE).
  6. Dispositif avertisseur selon l'une des revendications 1 à 5, caractérisé en ce que la puissance d'émission de l'étage final commun (HFE) est dimensionnée a une valeur suffisamment élevée pour qu'un émetteur de radiodiffusion à l'intérieur de la gamme d'avertissement prévue puisse être supplanté dans un récepteur d'un véhicule automobile.
  7. Dispositif avertisseur selon l'une des revendications 1 à 6, caractérisé en ce qu'il est prévu un récepteur de monitorage fixe (UWE) effectuant un scannage, qui comporte au moins une antenne (EAN) et qui exécute un balayage par scannage de la au moins une gamme de fréquences radio dans des intervalles de temps pouvant être prédéterminés et envoie des fréquences d'émetteurs radio détectées et correspondant à des critères pouvant être prédéterminés, à la mémoire de fréquences (FME) du dispositif d'émission, pour leur mémorisation.
  8. Dispositif avertisseur selon la revendication 7, caractérisé en ce que les critères pouvant être prédéterminés incluent une intensité de champ minimale au niveau d'au moins une antenne (EAN).
  9. Dispositif avertisseur selon la revendication 7 ou 8, caractérisé en ce que des indicatifs RDS déterminés sont associés aux fréquences.
  10. Dispositif avertisseur selon l'une des revendications 7 à 9, caractérisé en ce que dans l'état où il n'exécute aucun scannage, le récepteur de monitorage (UWE) vérifie si des signalisations sont réalisées à une fréquence pouvant être prédéterminée d'un émetteur ayant une fonction RDS et transmet des signalisations reçues au dispositif d'émission (TRX) et/ou à des dispositifs d'affichage commandés.
  11. Dispositif avertisseur selon l'une des revendications 1 à 10, caractérisé en ce que le dispositif d'émission émet, d'une manière assistée par le système RDS, un bit d'annonce de trafic (TA).
  12. Dispositif avertisseur selon l'une des revendications 1 à 11, caractérisé en ce que le dispositif d'émission émet, d'une manière assistée par le système RDS, un bit d'alarme (AB).
  13. Dispositif avertisseur selon l'une des revendications 1 à 12, caractérisé en ce que la au moins une antenne (SAN, EAN) est constituée par une section de rail conducteur.
EP01944726A 2000-07-07 2001-07-09 Dispositif avertisseur pour conducteurs Expired - Lifetime EP1330804B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT11702000 2000-07-07
AT0117000A AT411634B (de) 2000-07-07 2000-07-07 Verfahren zum warnen eines kraftfahrers
PCT/AT2001/000227 WO2002005243A1 (fr) 2000-07-07 2001-07-09 Dispositif avertisseur pour conducteurs

Publications (2)

Publication Number Publication Date
EP1330804A1 EP1330804A1 (fr) 2003-07-30
EP1330804B1 true EP1330804B1 (fr) 2004-04-21

Family

ID=3686524

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01944726A Expired - Lifetime EP1330804B1 (fr) 2000-07-07 2001-07-09 Dispositif avertisseur pour conducteurs

Country Status (6)

Country Link
EP (1) EP1330804B1 (fr)
AT (2) AT411634B (fr)
CZ (1) CZ20024246A3 (fr)
DE (1) DE50102079D1 (fr)
HU (1) HUP0301609A2 (fr)
WO (1) WO2002005243A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2613360A1 (de) * 1976-03-29 1977-10-13 William S Sadler Schaltungsanordnung zur erzeugung eines breitbandigen rundfunk-interferenzsignals
DE4005445A1 (de) * 1990-02-21 1991-08-22 Bayerische Motoren Werke Ag Kfz - warnsignalgenerator mit klartextdurchsage
US5303259A (en) * 1991-11-07 1994-04-12 Loveall Peter S Frequency-hopped electronic signal transmitter
US5572201A (en) * 1994-08-05 1996-11-05 Federal Signal Corporation Alerting device and system for abnormal situations
GB9722902D0 (en) * 1997-10-30 1998-01-07 Dunster Clive W Emergency warning system

Also Published As

Publication number Publication date
CZ20024246A3 (cs) 2003-06-18
HUP0301609A2 (en) 2003-08-28
EP1330804A1 (fr) 2003-07-30
ATE265080T1 (de) 2004-05-15
ATA11702000A (de) 2003-08-15
AT411634B (de) 2004-03-25
DE50102079D1 (de) 2004-05-27
WO2002005243A1 (fr) 2002-01-17

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