DE29623877U1 - Danger area monitoring - Google Patents

Danger area monitoring

Info

Publication number
DE29623877U1
DE29623877U1 DE29623877U DE29623877U DE29623877U1 DE 29623877 U1 DE29623877 U1 DE 29623877U1 DE 29623877 U DE29623877 U DE 29623877U DE 29623877 U DE29623877 U DE 29623877U DE 29623877 U1 DE29623877 U1 DE 29623877U1
Authority
DE
Germany
Prior art keywords
arrangement according
range finder
danger zone
radar range
marking points
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
DE29623877U
Other languages
German (de)
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.)
Honeywell GmbH
Original Assignee
Honeywell GmbH
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 Honeywell GmbH filed Critical Honeywell GmbH
Priority to DE29623877U priority Critical patent/DE29623877U1/en
Priority claimed from DE1996112579 external-priority patent/DE19612579A1/en
Publication of DE29623877U1 publication Critical patent/DE29623877U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
    • B61L23/041—Obstacle detection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
    • B61L29/30—Supervision, e.g. monitoring arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/04—Systems determining presence of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • G01S13/345—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using triangular modulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • G01S7/4026—Antenna boresight
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • G01S7/4026—Antenna boresight
    • G01S7/403—Antenna boresight in azimuth, i.e. in the horizontal plane
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4052—Means for monitoring or calibrating by simulation of echoes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4052—Means for monitoring or calibrating by simulation of echoes
    • G01S7/4082—Means for monitoring or calibrating by simulation of echoes using externally generated reference signals, e.g. via remote reflector or transponder
    • G01S7/4091—Means for monitoring or calibrating by simulation of echoes using externally generated reference signals, e.g. via remote reflector or transponder during normal radar operation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
    • G08B13/184—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using radiation reflectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (6)

1. Anordnung zur Überwachung eines Gefahrenraumes, insbesondere von Vollschranken- Bahnübergängen, gekennzeichnet durch folgende Merkmale:
  • a) ein rotierender Radar-Entfernungsmesser (18) ist zur horizontalen Abtastung am Rand des Gefahrenraumes (10) angeordnet;
  • b) auf der Umgrenzung des Gefahrenraumes (10) sind Referenz-Markierungspunkte (20, 20', 20") angeordnet;
  • c) mit dem Radar-Entfernungsmesser (18) ist ein Rechner (DSP-50) verbunden, der
    • 1. α) in einem Speicher (70) Daten bezogen auf den Abstand und den Winkel der Markierungspunkte (20, 20', 20") sowie sektorweise Referenzdaten des abgetasteten Bereichs enthält, und der
    • 2. β) mittels eines Korrelators (72) durch Vergleich der Referenzdaten mit den abgetasteten Daten und durch Vorgabe eines Schwellwertes ermittelte Objekte (22) im Gefahrenraum (10) signalisiert.
1. Arrangement for monitoring a danger zone, in particular full barrier level crossings, characterized by the following features:
  • a) a rotating radar range finder ( 18 ) is arranged for horizontal scanning at the edge of the danger zone ( 10 );
  • b) reference marking points ( 20 , 20 ', 20 ") are arranged on the boundary of the danger zone ( 10 );
  • c) with the radar range finder ( 18 ) is connected to a computer (DSP-50)
    • 1. α) in a memory ( 70 ) contains data relating to the distance and the angle of the marking points ( 20 , 20 ', 20 ") and sector-by-sector reference data of the scanned area, and the
    • 2. β) by means of a correlator ( 72 ) by comparing the reference data with the scanned data and by specifying a threshold value, objects ( 22 ) in the danger zone ( 10 ) are signaled.
2. Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß der Radar- Entfernungsmesser (18) einen frequenzmodulierten Dauerstrich-Sender (FMCW) aufweist.2. Arrangement according to claim 1, characterized in that the radar range finder ( 18 ) has a frequency-modulated continuous wave transmitter (FMCW). 3. Anordnung nach Anspruch 2, dadurch gekennzeichnet, daß ein Mischer (56) angeordnet ist, dem das Sendesignal und das Echosignal aufgeschaltet wird, um ein Differenzsignal fD zu ermitteln.3. Arrangement according to claim 2, characterized in that a mixer ( 56 ) is arranged, to which the transmission signal and the echo signal is applied in order to determine a difference signal f D. 4. Anordnung nach Anspruch 3, dadurch gekennzeichnet, daß die ermittelten Differenzsignale fD nach Analog/Digital-Wandlung einem digitalen Signalprozessor (50) zugeführt werden, der mittels einer Fast-Fourier-Transformation (66) ein Leistungsdichtespektrum (68) errechnet, das mit einem abgespeicherten Leistungsdichtespektrum (70) korrelativ verglichen wird.4. Arrangement according to claim 3, characterized in that the determined difference signals f D after analog / digital conversion are fed to a digital signal processor ( 50 ) which uses a Fast Fourier transform ( 66 ) to calculate a power density spectrum ( 68 ) which is correlatively compared with a stored power density spectrum ( 70 ). 5. Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß der Radar- Entfernungsmesser (18) auf einem Drehteller (32) in einem Gehäuse (30) gelagert ist und über eine Rotationseinheit mit Positionscodierer und einen induktiven Schleifring mit einem Elektronikeinschub (40) in Verbindung steht. 5. Arrangement according to claim 1, characterized in that the radar range finder ( 18 ) is mounted on a turntable ( 32 ) in a housing ( 30 ) and via a rotary unit with position encoder and an inductive slip ring with an electronics module ( 40 ) in connection stands. 6. Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß die Referenz- Markierungspunkte (20, 20', 20") als aktive Elemente ausgebildet sind.6. Arrangement according to claim 1, characterized in that the reference marking points ( 20 , 20 ', 20 ") are designed as active elements.
DE29623877U 1996-03-29 1996-03-29 Danger area monitoring Expired - Lifetime DE29623877U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29623877U DE29623877U1 (en) 1996-03-29 1996-03-29 Danger area monitoring

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29623877U DE29623877U1 (en) 1996-03-29 1996-03-29 Danger area monitoring
DE1996112579 DE19612579A1 (en) 1996-03-29 1996-03-29 Danger space control monitoring arrangement

Publications (1)

Publication Number Publication Date
DE29623877U1 true DE29623877U1 (en) 2000-06-29

Family

ID=26024278

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29623877U Expired - Lifetime DE29623877U1 (en) 1996-03-29 1996-03-29 Danger area monitoring

Country Status (1)

Country Link
DE (1) DE29623877U1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005000659A1 (en) * 2003-06-30 2005-01-06 Fontes Joao Antonio Crespo System to determine the relative position between various vehicles
EP1849679A1 (en) * 2006-04-27 2007-10-31 GG Rail AB Safety system for railroad level-crossing
WO2008131569A1 (en) * 2007-04-25 2008-11-06 Viacam Sarl Command and control device for road and rail signalling
EP2266861A1 (en) * 2009-06-12 2010-12-29 Simone Lorenz Method and device for monitoring an area at risk at a level crossing
EP2397387A1 (en) * 2010-06-16 2011-12-21 ID4Tech B.V. Barrier installation, barrier and method therefor
EP2853468A1 (en) * 2013-08-02 2015-04-01 Robert Bosch Gmbh Method and sensor system for monitoring an area
EP2937260A1 (en) * 2014-04-22 2015-10-28 Progress Rail Inspection & Information Systems S.r.l. Orientation verification method for railroad crossing object detectors
WO2017065678A1 (en) 2015-10-13 2017-04-20 Qamcom Technology Ab Radar system and method with malfunction monitoring

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005000659A1 (en) * 2003-06-30 2005-01-06 Fontes Joao Antonio Crespo System to determine the relative position between various vehicles
EP1849679A1 (en) * 2006-04-27 2007-10-31 GG Rail AB Safety system for railroad level-crossing
WO2008131569A1 (en) * 2007-04-25 2008-11-06 Viacam Sarl Command and control device for road and rail signalling
EP2266861A1 (en) * 2009-06-12 2010-12-29 Simone Lorenz Method and device for monitoring an area at risk at a level crossing
EP2397387A1 (en) * 2010-06-16 2011-12-21 ID4Tech B.V. Barrier installation, barrier and method therefor
EP2853468A1 (en) * 2013-08-02 2015-04-01 Robert Bosch Gmbh Method and sensor system for monitoring an area
EP2937260A1 (en) * 2014-04-22 2015-10-28 Progress Rail Inspection & Information Systems S.r.l. Orientation verification method for railroad crossing object detectors
WO2017065678A1 (en) 2015-10-13 2017-04-20 Qamcom Technology Ab Radar system and method with malfunction monitoring

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000803

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20010130

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20020417

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20040316

R071 Expiry of right