EP2939035A1 - Verfahren und vorrichtung zur warnung von personen im nahbereich einer ein hf-feld abstrahlenden einrichtung - Google Patents
Verfahren und vorrichtung zur warnung von personen im nahbereich einer ein hf-feld abstrahlenden einrichtungInfo
- Publication number
- EP2939035A1 EP2939035A1 EP14700055.8A EP14700055A EP2939035A1 EP 2939035 A1 EP2939035 A1 EP 2939035A1 EP 14700055 A EP14700055 A EP 14700055A EP 2939035 A1 EP2939035 A1 EP 2939035A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- antenna
- etcs
- signaling
- field
- antenna arrangement
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000011664 signaling Effects 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 8
- 230000001627 detrimental effect Effects 0.000 abstract 1
- 238000011156 evaluation Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- 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
- B61L23/06—Control, warning or like safety means along the route or between vehicles or trains for warning men working on the route
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
- B61L27/57—Trackside diagnosis or maintenance, e.g. software upgrades for vehicles or trains, e.g. trackside supervision of train conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
- F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
- F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
- F16P3/147—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using electro-magnetic technology, e.g. tags or radar
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0878—Sensors; antennas; probes; detectors
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
- B61L2027/202—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation using European Train Control System [ETCS]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
- B61L3/121—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
- G01R29/0857—Dosimetry, i.e. measuring the time integral of radiation intensity; Level warning devices for personal safety use
Definitions
- the invention relates to a method for warning people in the vicinity of an RF field radiating device, in particular an ETCS (Europa Train Control System) antenna of a rail vehicle and a related Vor ⁇ direction.
- ETCS Europa Train Control System
- the warning of persons approaching the RF field radiating device is required because of the harmful radiation.
- Such devices are used in many fields, for example in industrial plants, communication systems and traffic systems. In particular, for maintenance, diagnostic or mounting purposes, a direct personal contact with these facilities is essential.
- the following description relates essentially to an RF field radiating ETCS antennas of a rail ⁇ vehicle, without the invention should be limited to this application ⁇ limited.
- ETCS antennas on rail vehicles serve for absolute location as well as for data transmission between track and rail vehicle. Their transmission power of up to 10 watts and the frequency range used at 27 MHz are harmful to health in the immediate vicinity of an active, ie switched-on ETCS antenna.
- an active, ie switched-on ETCS antenna In the case of ground-level tracks, it is not possible to endanger persons, since the ETCS antenna is arranged in the underfloor area of the rail vehicle and thus normally direct contact between a person and the ETCS antenna is not possible.
- the rail vehicle is parked on elevated rails, for example in a depot or a workshop. It must be ensured that the ETCS antenna is switched off for personal protection or a sufficiently large safety margin is maintained.
- a simple warning light on the ETCS antenna to indicate its on or off status is not allowed, as a possible failure of the warning light, which can not be revealed, would signal a false security.
- warning signs are mounted on elevated rails, which generally indicate dangers of high-frequency electromagnetic fields emanating from the ETCS antenna. These measures are inadequately safe, especially in the absence of expertise of the maintenance personnel, especially since the presence of an RF field is not obvious and therefore could suggest a lack of dangerous radiation.
- the invention has for its object to provide a method and a device of the generic type that clearly and unmistakably signal the on or off state of an RF field generating device.
- the object is achieved in that the RF field is coupled out by means of an antenna arrangement, wherein the decoupled signal via a power measuring device controls a signaling device for optical and / or acoustic signaling of an on / off state of the device.
- a device comprising an RF detector with an antenna arrangement and a and having a signaling device for optical and / or acoustic signaling of an on / off state of the device, in particular an ETCS antenna of a rail vehicle, is connected.
- the RF De ⁇ Tektor allows at a ETCS antenna of a rail running tool ⁇ the decoupling of the 27 MHz signal and its Vorver ⁇ amplification, filtering and power measurement.
- the power measurement can in the simplest case using rectifier with
- Comparator circuit or an active demodulator for evaluation done When the ETCS antenna is switched on, the output signal of the HF detector generates a warning tone and / or a warning light, for example red and / or flashing.
- the warning light function can also be used to visualize a scoreboard indicating that prior to commencing work in the underfloor area of the rail vehicle, the currently active ETCS antennas must be switched off.
- the antenna arrangement has leaking cables attached to the rail feet of both rails of an elevated track.
- a leakage cable is laid along the track in the left and right rail feet. This forms together ⁇ with the respective rail, the antenna arrangement for receiving the RF field, namely the 27 MHz signal of the ETCS antenna. After preamplification and filtering of this signal, the power can be measured and used to drive the signaling device.
- Such a stationary device is particularly suitable for depots and Be ⁇ operating workshops with elevated rails. Since in factory workshops and depots typically several tracks are close together, there is a risk of crosstalk and thus a false detection.
- the measured Leis ⁇ tion of both rails is the same size.
- the leakage cables of adjacent tracks are connected to a common operation control center.
- the connection between the individual leakage cables and the operation control center can take place, for example, via Ethernet.
- the operations control center can directly control the necessary danger signaling at the depot area in which the active ETCS antennas are located.
- Frame or loop antennas are particularly suitable for ground level or near-earth tracks as receiving antennas of the radiation to be measured.
- the expansion must be smaller, the more must be expected with interference from neighboring tracks. In this way is a distinction of the tracks by their
- the frame or loop antennas can be laid directly on the ground.
- the light coupled into these receiving antennas is a signal Trans ⁇ formator and an adjusted at 27 MHz resonant circuit at the Transmit power meter.
- the power measurement is carried out in the simplest case via rectifier and comparator circuit for the purpose of generating a before driving the respective
- Signaling device suitable output signal.
- a mobile use of an RF detector may be required.
- An ⁇ by demanding 6 is provided in accordance with that of the RF detector is formed can be carried along by a person, wherein the antenna arrangement comprises a 3D antenna with RF resonant circuit.
- the carried along a direction ⁇ also contains the signaling device which generates a warning signal in case of dangerous field strength.
- the 3D antenna can be formed, for example, by means of three individual coils or single-frame antennas arranged orthogonally to one another, independently of the spatial orientation of the entrained RF decoder. The power measurement is thus largely independent of the orientation of the
- an RF signal input device for functional testing of the RF detector is provided.
- a failure of the warning function can be determined and forwarded, for example, to the operations control center, so that a needs-based repair can betientlei ⁇ tet.
- the RF Signaleinspeise worn may for example be formed such that is emitted cyclically via a transmitter, a test signal or noise at 27 MHz, to an active antenna quasi ETCS to simu ⁇ lose.
- the test signal may be emitted at certain time intervals via a transmitter integrated in the power meter and received by the antenna arrangement which is connected to the second leakage cable of the second track of the track. In this way, a function check without presence of a rail vehicle with ETCS antennas is possible.
- the error display is equipped with particularly clearly distinguishable signaling devices, for example red or green flashing, short staccato tone or continuous warning tone. Errors beyond that will be due to failure of one of these
- FIG. 1 shows a first embodiment of a detector device in a workshop
- FIG. 2 shows the detector device according to FIG. 1 as
- FIG. 3 shows a second embodiment of a detector device
- FIG. 5 shows a portable detector device with a further embodiment of the 3D antenna.
- FIG. 1 illustrates an operating workshop area in which a rail vehicle 1 is parked.
- the two rails are siding 3 mounted by means of rail increases stand 4 2a and 2b.
- the rail vehicle 1 is in the underfloor area, that is on the underside, equipped with an ETCS antenna 5.
- the ETCS antenna 5 In the active state, in which the ETCS antenna 5 is turned on, it emits an RF field.
- the transmission power of about 10 W and the frequency range commonly used for ETCS antennas 5 at 27 MHz are harmful to health at close range.
- a warning device for persons hen vorgese ⁇ hen, which in a first embodiment essentially of leakage cables 6a and 6b, which abut the rails 2a and 2b of the track 3, associated evaluation 7a and 7b and a signaling device, not shown for optical and / or acoustic signaling of the on / off state of the ETCS antenna 5 is.
- the leaky cable 6a and 6b together with the rails 2a and 2b receive antennas which emit the of the ETCS antenna 5 detox ⁇ radiated in the on state RF field and via connecting lines 8a and 8b contribute to the evaluation device 7a or 7b ⁇ .
- the evaluation devices 7a and 7b are connected via Ethernet 9a and 9b to a control center 10 shown in FIG.
- FIG. 2 also illustrates a parallel connection of adjacent tracks 3 to avoid false alarms by crosstalk of the RF field of an ETCS antenna 5 on tracks closely adjacent in factory workshops and depots.
- the power levels received in the common service center 10 with respect to the rails 2a and 2b The tracks 3 are evaluated so that a ⁇ order the warning signaling to the track 3, on which the rail vehicle 1 is provided with the radiating ETCS antenna 5 ⁇ done can.
- Figure 3 shows a further variant for the formation shoot ⁇ nennaher receiving antennas.
- loop antennas IIa and IIb are provided, which for ground-level or near-ground tracks 3 are particularly suitable. Since ⁇ at each of the loop antenna IIa, IIb connected to a Ausireein ⁇ direction 7.1, 7.2. The extension of the loop antenna IIa, IIb is in the track direction between 5 m and 50 m, and this longitudinal extent must be small to increase the selectivity to interference from neighboring tracks.
- a portable 3D antenna is provided as a receiving antenna, which is housed in a carrying case 12, Figure 5 together with the evaluation device and the signaling device.
- the 3D antenna may consist of three mutually orthogonally interleaved individual antennas 13a, 13b and 13c, as shown in Figure 4, or in box form orthogonal to each other arranged individual antennas 13x, 13y and 13z have, which in or on the box-shaped carrying bag 12 according to FIG 5 are practically accommodate.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013202465.7A DE102013202465A1 (de) | 2013-02-15 | 2013-02-15 | Verfahren und Vorrichtung zur Warnung von Personen im Nahbereich einer ein HF-Feld abstrahlenden Einrichtung |
PCT/EP2014/050042 WO2014124758A1 (de) | 2013-02-15 | 2014-01-03 | Verfahren und vorrichtung zur warnung von personen im nahbereich einer ein hf-feld abstrahlenden einrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2939035A1 true EP2939035A1 (de) | 2015-11-04 |
Family
ID=49943356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14700055.8A Withdrawn EP2939035A1 (de) | 2013-02-15 | 2014-01-03 | Verfahren und vorrichtung zur warnung von personen im nahbereich einer ein hf-feld abstrahlenden einrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US20150367873A1 (de) |
EP (1) | EP2939035A1 (de) |
DE (1) | DE102013202465A1 (de) |
WO (1) | WO2014124758A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9403545B2 (en) * | 2013-10-21 | 2016-08-02 | Railware, Inc. | Tools for railway traffic control |
US20180099684A1 (en) * | 2016-10-10 | 2018-04-12 | Westinghouse Air Brake Technologies Corporation | System, method, and apparatus for verifying railroad work zone instructions |
DE102021210558A1 (de) | 2021-09-22 | 2023-03-23 | Siemens Mobility GmbH | Anzeigevorrichtung zur Anzeige von elektromagnetischen Wechselfeldern und Verfahren zu deren Anwendung |
CN117388586B (zh) * | 2023-12-12 | 2024-04-26 | 南京捷希科技股份有限公司 | 一种终端测试系统 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5363045A (en) * | 1992-08-27 | 1994-11-08 | Martin George G | Hand-held non-contacting electric field detection tool |
US5532681A (en) * | 1993-05-26 | 1996-07-02 | Bodysonics, Inc. | Protection device for power frequency magnetic fields |
US5576696A (en) * | 1993-08-20 | 1996-11-19 | General Microwave Corporation | Personal radiation hazard meter |
DE19726138C1 (de) * | 1997-06-19 | 1999-01-07 | Wandel & Goltermann Management | Warn- und Meßgerät zum Personenschutz in elektromagnetischen Feldern |
JP3247987B2 (ja) * | 2000-03-27 | 2002-01-21 | 忠男 趙 | 放射線測定警報システム |
US6329924B1 (en) * | 2000-03-17 | 2001-12-11 | Hd Electric Company | Wearable electric field detector |
WO2002082112A1 (en) * | 2001-04-05 | 2002-10-17 | The Government Of The United States As Represented By The Secretary Of The Department Of Health And Human Services, Centers For Disease Control And Prevention | Induced body current meter |
US20090027217A1 (en) * | 2007-07-24 | 2009-01-29 | Li-Kuang Chen | Sensing apparatus for electromagnetic wave intensity |
US20090267846A1 (en) * | 2008-04-28 | 2009-10-29 | Johnson Michael P | Electromagnetic Field Power Density Monitoring System and Methods |
EP2230148A1 (de) * | 2009-03-20 | 2010-09-22 | Siemens Schweiz AG | Verfahren und System zur Identifizierung von Gleissicherungseinrichtungen |
-
2013
- 2013-02-15 DE DE102013202465.7A patent/DE102013202465A1/de not_active Ceased
-
2014
- 2014-01-03 EP EP14700055.8A patent/EP2939035A1/de not_active Withdrawn
- 2014-01-03 WO PCT/EP2014/050042 patent/WO2014124758A1/de active Application Filing
- 2014-01-03 US US14/766,502 patent/US20150367873A1/en not_active Abandoned
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2014124758A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102013202465A1 (de) | 2014-08-21 |
WO2014124758A1 (de) | 2014-08-21 |
US20150367873A1 (en) | 2015-12-24 |
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