EP2067682B1 - System for monitoring a cableway - Google Patents

System for monitoring a cableway Download PDF

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Publication number
EP2067682B1
EP2067682B1 EP20080170880 EP08170880A EP2067682B1 EP 2067682 B1 EP2067682 B1 EP 2067682B1 EP 20080170880 EP20080170880 EP 20080170880 EP 08170880 A EP08170880 A EP 08170880A EP 2067682 B1 EP2067682 B1 EP 2067682B1
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EP
European Patent Office
Prior art keywords
transmitting
signal
arrival
vehicle
cableway
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EP20080170880
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German (de)
French (fr)
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EP2067682A1 (en
Inventor
Robert Hofer
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Rolic International SARL
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Rolic International SARL
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/002—Cabins; Ski-lift seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/06—Safety devices or measures against cable fracture

Definitions

  • the present invention relates to a cableway, and in particular a cableway comprising a system for monitoring closure of cableway vehicle doors.
  • cableway cars are equipped with a locking mechanism activated by the driver before starting the car.
  • Correct operation of the car door locking mechanism is normally controlled by a toggle switch which is connected to the door locking mechanism, is activated automatically when the door locking mechanism is operated, and remains in a given position, indicating the car doors are locked, as long as the doors remain closed and the locking mechanism is activated. Correct operation and monitoring the setting of the toggle switch are essential to ensure the car doors are closed and locked when the car is running.
  • Number 1 in Figure 1 indicates as a whole a shuttle cableway, and more specifically a cableway comprising a bottom arrival/departure station 2, a top arrival/departure station 3, an up cable branch 4, a down cable branch 5, a passenger car 6a, and a passenger car 6b.
  • each of cars 6a, 6b comprises:
  • FIG. 2 shows one of the two cars, e.g. car 6a, standing in one of the two arrival/departure stations, e.g. bottom station 2.
  • the monitoring system comprises:
  • each station 2, 3 is equipped with a signal transmitting device 13, a transmitting-receiving unit 15, and a control and processing unit 17.
  • toggle switches 9 are activated automatically and remain in a given position, indicating doors 7 are closed and locked, as long as the doors remain closed and locking mechanism 8 is activated.
  • each toggle switch 9 transmits, to the transmitting-receiving device 11 to which it is connected, a signal S closed indicating it is activated and the car doors 7 are locked.
  • Each transmitting-receiving device 11 contains an identification code which is memorized inside it and uniquely identifies the car fitted with transmitting-receiving device 11, e.g. car 6a in Figure 2 .
  • Each transmitting-receiving device 11 is configured to transmit a radio signal S 1 of given frequency, e.g. 868 MHz, and of a range ranging between a distance D 1 , e.g. 1 metre, between transmitting-receiving device 11 and antenna 14 when cars 6a, 6b are stopped at stations 2, 3, and a given maximum distance D 2 , e.g. 25 m, between cars 6a, 6b and stations 2, 3.
  • Antenna 14 is therefore still able to receive signal S 1 even after cars 6a, 6b have left stations 2, 3.
  • Each signal transmitting device 13 at stations 2 and 3 is configured to continuously transmit a radio signal S 2 of given frequency, e.g. 125 kHz, and of a maximum range substantially equal to the distance between signal transmitting device 13 and transmitting-receiving device 11 when cars 6a, 6b are standing in stations 2, 3.
  • a radio signal S 2 of given frequency e.g. 125 kHz
  • signal S 2 is only received by the transmitting-receiving device 11 of the car actually standing in the same station as transmitting-receiving device 13, e.g. by transmitting-receiving device 11 of car 6a in Figure 2 .
  • radio signal S 2 contains an identification code uniquely identifying the station in which device 13 is installed.
  • transmitting-receiving device 11 of car 6a is supplied by transmitting device 13 at station 2 with radio signal S 2 containing the identification code of station 2.
  • transmitting-receiving device 11 of car 6a therefore sends antenna 14 a signal S 1 containing:
  • Antenna 14 transmits signal S 1 to transmitting-receiving unit 15, which sends it over cable 16 to control and processing unit 17, which displays the information in signal S 1 and informs the operator that car 6a is standing in station 2 with doors 7 locked.
  • transmitting-receiving device 11 of car 6a continues receiving radio signal S 2 , containing the identification code of station 2, from transmitting device 13 at station 2, but stops receiving signal S closed which, doors 7 being open, is no longer transmitted by toggle switch 9.
  • signal S 1 transmitted by transmitting-receiving device 11 of car 6a to antenna 14 only contains:
  • Antenna 14 transmits signal S 1 to transmitting-receiving unit 15, which sends it over cable 16 to control and processing unit 17, which displays the information in signal S 1 and informs the operator that car 6a is still standing in station 2, but with doors 7 open.
  • transmitting-receiving device 11 of car 6a therefore sends antenna 14 a signal S 1 containing:
  • Antenna 14 transmits signal S 1 to transmitting-receiving unit 15, which sends it over cable 16 to control and processing unit 17, which displays the information in signal S 1 and informs the operator that car 6a has left station 2, and doors 7 are locked.
  • antenna 14 no longer receives signal S 1 .
  • Antenna 14 therefore transmits no signal S 1 to transmitting-receiving unit 15, and control and processing unit 17 informs the operator that car 6a is travelling towards station 3 and that, on the basis of the previously received signal S 1 , doors 7 are still locked.
  • the system according to the invention increases the safety of cableways by remotely monitoring the door locking mechanisms of all the vehicles in the cableway, and, in particular, enables immediate steps to be taken in the event of malfunctioning of the vehicle door locking mechanisms.
  • the monitoring system described can also be applied to cableways in which the cars are slowed down, as opposed to being stopped, at the arrival/departure station.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Ropes Or Cables (AREA)
  • Control And Safety Of Cranes (AREA)
  • Traffic Control Systems (AREA)

Description

  • The present invention relates to a cableway, and in particular a cableway comprising a system for monitoring closure of cableway vehicle doors.
  • As is known, correct closure and locking of the doors of cableway vehicles, such as shuttle cable cars, cable railway cars, etc., are essential to ensure inservice safety of passengers.
  • For this reason, cableway cars are equipped with a locking mechanism activated by the driver before starting the car.
  • Correct operation of the car door locking mechanism is normally controlled by a toggle switch which is connected to the door locking mechanism, is activated automatically when the door locking mechanism is operated, and remains in a given position, indicating the car doors are locked, as long as the doors remain closed and the locking mechanism is activated. Correct operation and monitoring the setting of the toggle switch are essential to ensure the car doors are closed and locked when the car is running.
  • An example of a system for monitoring locking mechanism is disclosed in the intermediate document WO 2008/138154 . Another system is known from AU-B- 2003 204 308 .
  • To improve the safety of cableways, a need is felt to remote monitor the toggle switch settings of all the cars in the cableway, so that immediate steps can be taken in the event of malfunctioning of the car door locking mechanism and/or the switches themselves.
  • It is an object of the present invention to provide a cableway, and in particular suitable for monitoring closure and locking of cableway vehicle doors.
  • According to the present invention, there is provided a cableway, as claimed in Claim 1.
  • It is a further object of the present invention to provide a method of monitoring a cableway.
  • According to the present invention, there is provided a method of monitoring a cableway, as claimed in Claim 11.
  • A preferred, non-limiting embodiment of the present invention will be described by way of example with reference to the accompanying drawings, in which:
    • Figure 1 shows an example of a cableway;
    • Figure 2 shows details of a cableway featuring the monitoring system according to the invention.
  • Number 1 in Figure 1 indicates as a whole a shuttle cableway, and more specifically a cableway comprising a bottom arrival/departure station 2, a top arrival/departure station 3, an up cable branch 4, a down cable branch 5, a passenger car 6a, and a passenger car 6b.
  • More specifically, as shown in Figure 2, each of cars 6a, 6b comprises:
    • doors, e.g. sliding doors, 7;
    • a locking mechanism 8 (only shown schematically in Figure 2) for locking doors 7; and
    • a toggle switch 9 connected to locking mechanism 8 of doors 7, e.g. by a connecting cable 10.
  • For the sake of simplicity, the monitoring system according to the invention will be described with reference to Figure 2, which shows one of the two cars, e.g. car 6a, standing in one of the two arrival/departure stations, e.g. bottom station 2.
  • As shown in Figure 2, the monitoring system according to the invention comprises:
    • a transmitting-receiving device 11 housed in each of cars 6a and 6b (for the sake of simplicity, Figure 2 only shows car 6a) and connected to toggle switch 9 of the car, e.g. by a connecting cable 12;
    • a signal transmitting device 13;
    • a transmitting-receiving unit 15 with an antenna 14; and
    • a control and processing unit 17 connected, preferably by a cable 16, to transmitting-receiving unit 15.
  • More specifically, each station 2, 3 is equipped with a signal transmitting device 13, a transmitting-receiving unit 15, and a control and processing unit 17.
  • When doors 7 are closed and locking mechanism 8 activated, toggle switches 9 are activated automatically and remain in a given position, indicating doors 7 are closed and locked, as long as the doors remain closed and locking mechanism 8 is activated.
  • Whenever it is activated, each toggle switch 9 transmits, to the transmitting-receiving device 11 to which it is connected, a signal Sclosed indicating it is activated and the car doors 7 are locked.
  • Each transmitting-receiving device 11 contains an identification code which is memorized inside it and uniquely identifies the car fitted with transmitting-receiving device 11, e.g. car 6a in Figure 2. Each transmitting-receiving device 11 is configured to transmit a radio signal S1 of given frequency, e.g. 868 MHz, and of a range ranging between a distance D1, e.g. 1 metre, between transmitting-receiving device 11 and antenna 14 when cars 6a, 6b are stopped at stations 2, 3, and a given maximum distance D2, e.g. 25 m, between cars 6a, 6b and stations 2, 3.
  • Antenna 14 is therefore still able to receive signal S1 even after cars 6a, 6b have left stations 2, 3.
  • Each signal transmitting device 13 at stations 2 and 3 is configured to continuously transmit a radio signal S2 of given frequency, e.g. 125 kHz, and of a maximum range substantially equal to the distance between signal transmitting device 13 and transmitting-receiving device 11 when cars 6a, 6b are standing in stations 2, 3.
  • That is, by appropriately calculating the maximum range of signal S2, signal S2 is only received by the transmitting-receiving device 11 of the car actually standing in the same station as transmitting-receiving device 13, e.g. by transmitting-receiving device 11 of car 6a in Figure 2.
  • More specifically, radio signal S2 contains an identification code uniquely identifying the station in which device 13 is installed.
  • Operation of the monitoring system according to the invention will now be described with reference to Figure 2.
  • As car 6a reaches arrival/departure station 2, transmitting-receiving device 11 of car 6a is supplied by transmitting device 13 at station 2 with radio signal S2 containing the identification code of station 2.
  • As long as doors 7 remain closed and locking mechanism 8 is activated, transmitting-receiving device 11 of car 6a therefore sends antenna 14 a signal S1 containing:
    • the identification code of transmitting-receiving device 11;
    • the information in signal Sclosed, transmitted by toggle switch 9, indicating the car doors 7 are locked; and
    • the identification code contained in the received radio signal S2 and uniquely identifying station 2 in which car 6a is standing.
  • Antenna 14 transmits signal S1 to transmitting-receiving unit 15, which sends it over cable 16 to control and processing unit 17, which displays the information in signal S1 and informs the operator that car 6a is standing in station 2 with doors 7 locked.
  • When doors 7 of car 6a standing in station 2 are opened, transmitting-receiving device 11 of car 6a continues receiving radio signal S2, containing the identification code of station 2, from transmitting device 13 at station 2, but stops receiving signal Sclosed which, doors 7 being open, is no longer transmitted by toggle switch 9.
  • In which case, signal S1 transmitted by transmitting-receiving device 11 of car 6a to antenna 14 only contains:
    • the identification code of transmitting-receiving device 11; and
    • the identification code contained in the received radio signal S2 and uniquely identifying station 2 in which car 6a is standing.
  • Antenna 14 transmits signal S1 to transmitting-receiving unit 15, which sends it over cable 16 to control and processing unit 17, which displays the information in signal S1 and informs the operator that car 6a is still standing in station 2, but with doors 7 open.
  • When doors 7 of car 6a are closed again, and car 6a leaves station 2 and moves outside the range of signal S2 transmitted by transmitting device 13, transmitting-receiving device 11 of car 6a no longer receives radio signal S2, and only receives signal Sclosed transmitted by toggle switch 9 when doors 7 were closed.
  • As car 6a moves away from station 2, and as long as car 6a is at a distance from station 2 within the maximum transmission range of signal S1, transmitting-receiving device 11 of car 6a therefore sends antenna 14 a signal S1 containing:
    • the identification code of transmitting-receiving device 11; and
    • the information in signal Sclosed, transmitted by toggle switch 9, indicating the car doors 7 are locked.
  • Antenna 14 transmits signal S1 to transmitting-receiving unit 15, which sends it over cable 16 to control and processing unit 17, which displays the information in signal S1 and informs the operator that car 6a has left station 2, and doors 7 are locked.
  • When the distance between car 6a and station 2 exceeds the maximum transmission range of signal S1, antenna 14 no longer receives signal S1.
  • Antenna 14 therefore transmits no signal S1 to transmitting-receiving unit 15, and control and processing unit 17 informs the operator that car 6a is travelling towards station 3 and that, on the basis of the previously received signal S1, doors 7 are still locked.
  • The advantages of the cable transportation vehicle monitoring system according to the present invention will be clear from the above description.
  • The system according to the invention increases the safety of cableways by remotely monitoring the door locking mechanisms of all the vehicles in the cableway, and, in particular, enables immediate steps to be taken in the event of malfunctioning of the vehicle door locking mechanisms.
  • Moreover, the monitoring system described can also be applied to cableways in which the cars are slowed down, as opposed to being stopped, at the arrival/departure station.
  • Clearly, changes may be made to the monitoring system as described and illustrated herein without, however, departing from the scope of the present invention as defined in the accompanying Claims.

Claims (12)

  1. A cableway comprising a cable transportation vehicle (6a, 6b); at least one arrival/departure station (2, 3) for said vehicle (6a, 6b); and a monitoring system for monitoring the cableway (1); said vehicle (6a, 6b) comprising: a door (7); locking means (8) for locking said door (7) in a closed position; and detecting means (9) connected to said locking means (8) and for detecting activation or release of said locking means (8) of said door (7); said monitoring system comprising:
    - electronic transmitting-receiving means (11) which are installed in said vehicle (6a; 6b), are connected to said detecting means (9) for detecting activation or release of said locking means (8) of said door (7), and are configured to transmit a signal, containing information relative to activation or release of said locking means (8) of said door (7), to monitoring means (17) for monitoring said cableway;
    the electronic transmitting-receiving means (11) being configured to transmit the signal having a range ranging between a distance (D1), when vehicles are stopped at the station, and a given maximum distance (D2) between vehicles (6a, 6b) and arrival/departure station (2, 3); and wherein said monitoring system comprising:
    - signal transmitting means (13) installed at said arrival/departure station (2, 3) and configured to continuously transmit a radio signal (S2) of given frequency, and of a maximum range substantially equal to the distance between signal transmitting means (13) and electronic transmitting-receiving means (11) when vehicle (6a, 6b) are standing in the at least one arrival/departure station (2, 3); and
    - transmitting-receiving means (15) installed at said arrival/departure station (2, 3);
    and wherein said monitoring means (17) are installed at said arrival/departure station (2, 3), and are connected to said transmitting-receiving means (15).
  2. A cableway as claimed in Claim 1, wherein said detecting means (9) are configured to transmit a first signal (Sclosed), containing information relative to activation or release of said locking means (8), to said electronic transmitting-receiving means (11).
  3. A cableway as claimed in Claims 1 and 2, wherein said signal transmitting means (13) installed at said arrival/departure station (2, 3) are configured to transmit the radio signal (S2) containing information relative to an identification code of said arrival/departure station (2, 3).
  4. A cableway as claimed in Claim 3, wherein an identification code of said vehicle (6a, 6b) is memorized in said electronic transmitting-receiving means (11) installed in said vehicle (6a, 6b); and wherein said electronic transmitting-receiving means (11) are configured to receive said first signal (Sclosed) and said radio signal (S2), and to transmit a third signal (S1) containing said identification code of said vehicle (6a, 6b) and said information contained in said first signal (Sclosed) and said radio signal (S2).
  5. A cableway as claimed in Claim 4, wherein said radio signal (S2) transmitted by said signal transmitting means (13) installed at said arrival/departure station (2, 3) is a radio signal of predetermined frequency and with a maximum range equal to a first distance between said signal transmitting means (13) and said electronic transmitting-receiving means (11) when said vehicle (6a, 6b) is standing in said arrival/departure station (2, 3).
  6. A cableway as claimed in Claim 4, wherein said third signal (S1) transmitted by said electronic transmitting-receiving means (11) is a radio signal of predetermined frequency and with a maximum range equal to a second distance ranging between a third distance between said electronic transmitting-receiving means (11) and said transmitting-receiving means (15) installed at said arrival/departure station (2, 3) when said vehicle (6a, 6b) is standing in said arrival/departure station (2, 3), and a predetermined fourth distance between said vehicle (6a, 6b) and said arrival/departure station (2, 3).
  7. A cableway as claimed in any one of the Claims from 4 to 6, wherein said transmitting-receiving means (15) installed at said arrival/departure station (2, 3) are configured to receive and transmit said third signal (S1) to said monitoring means (17).
  8. A cableway as claimed in any one of the foregoing Claims, wherein said detecting means (9) are connected to said electronic transmitting-receiving means (11) by a first connecting cable.
  9. A cableway as claimed in any one of the Claims from 4 to 7, wherein said transmitting-receiving means (15) installed at said arrival/departure station (2, 3) are equipped with an antenna (14) configured to receive said third signal (S1).
  10. A cableway as claimed in Claim 1 or as claimed in any one of the Claims from 3 to 7 or as claimed in Claim 9, wherein said transmitting-receiving means (15) installed at said arrival/departure station (2, 3) are connected to said monitoring means (17) by a second connecting cable.
  11. A method of monitoring a cableway comprising a cable transportation vehicle (6a, 6b) and at least one arrival/departure station (2, 3) for said vehicle (6a, 6b); said vehicle (6a, 6b) comprising: a door (7); locking means (8) for locking said door (7) in a closed position; and detecting means (9) connected to said locking means (8) and for detecting activation or release of said locking means (8) of said door (7); said method comprising the steps of:
    - transmitting a signal, by means of a transmitting-receiving means (11), containing information relative to activation or release of said locking means (8) of said door (7), to monitoring means (17) for monitoring said cableway;
    wherein the signal has a range ranging between a distance (D1) and a given maximum distance (D2) between vehicle (6a, 6b) and arrival/departure station (2, 3); and
    - continuously transmit a radio signal (S2), by means of a signal transmitting means (13) installed at said arrival/departure station (2, 3), of given frequency, and of a maximum range substantially equal to the distance between signal transmitting means (13) and electronic transmitting-receiving means (11) when vehicle (6a, 6b) are standing in the at least one arrival/departure station (2, 3).
  12. A method as claimed in Claim 11, and also comprising the steps of:
    - memorizing an identification code of said vehicle (6a, 6b) in electronic transmitting-receiving means (11) installed in said vehicle (6a; 6b);
    - transmitting a first signal (Sclosed), containing information relative to activation or release of said locking means (8), to said electronic transmitting-receiving means (11) installed in said vehicle (6a; 6b);
    - transmitting the radio signal (S2) containing information relative to an identification code of said arrival/departure station (2, 3);
    - receiving said first signal (Sclosed) and said radio signal (S2) at said electronic transmitting-receiving means (11) installed in said vehicle (6a; 6b);
    - transmitting a third signal (S1) containing said identification code of said vehicle (6a, 6b) and said information contained in said first signal (Sclosed) and said radio signal (S2) ; and
    - receiving said third signal (S1) at said monitoring means (17) monitoring said cableway.
EP20080170880 2007-12-06 2008-12-05 System for monitoring a cableway Active EP2067682B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20072296 ITMI20072296A1 (en) 2007-12-06 2007-12-06 SYSTEM FOR MONITORING A ROPE TRANSPORTATION SYSTEM

Publications (2)

Publication Number Publication Date
EP2067682A1 EP2067682A1 (en) 2009-06-10
EP2067682B1 true EP2067682B1 (en) 2013-10-16

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Family Applications (1)

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EP20080170880 Active EP2067682B1 (en) 2007-12-06 2008-12-05 System for monitoring a cableway

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IT (1) ITMI20072296A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2988676B1 (en) * 2012-04-03 2014-03-21 Pomagalski Sa SERVICE VEHICLE DETECTION SYSTEM APPROACHING STATIONS
FR3014395B1 (en) * 2013-12-05 2017-02-03 Pomagalski Sa AIRCRAFT TRANSPORT SYSTEM, IN PARTICULAR A TELESIEGE OR A TELECABINE
ITUB20150167A1 (en) * 2015-03-05 2016-09-05 Eurotech S P A ROPE LIFT, METHOD TO INCREASE THE SAFETY OF A ROPE LIFT AND SAFETY SYSTEM FOR A ROPE LIFT
AT520065B1 (en) * 2017-06-12 2022-12-15 Innova Patent Gmbh Cable car with locking monitoring of a vehicle
NZ760055A (en) * 2017-06-13 2020-05-29 Innova Patent Gmbh Method for operating a cableway
AT523970A1 (en) * 2020-07-06 2022-01-15 Innova Patent Gmbh Door control for a cable car
AT524236B1 (en) * 2020-12-17 2022-04-15 Innova Patent Gmbh Ropeway with a vehicle with a locking drive and fail-safe locking monitoring
EP4263314A1 (en) * 2020-12-17 2023-10-25 Innova Patent GmbH Cableway with data communication between cableway controller and vehicle
FR3126114B1 (en) 2021-08-11 2023-07-28 Poma Door closing control system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617529B1 (en) * 1987-06-30 1989-12-08 Sigma Plastique DOOR OPENING AND CLOSING MECHANISM WITH INTERLOCKING POSSIBILITY, ESPECIALLY FOR CABLES OF TRANSPORT BY CABLES
DE10059582C2 (en) * 2000-11-30 2003-04-30 Roto Frank Ag Monitoring device for a window, a door or the like
CH699647B1 (en) * 2007-05-10 2010-04-15 Cwa Const Sa Lock Monitoring.

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Publication number Publication date
EP2067682A1 (en) 2009-06-10
ITMI20072296A1 (en) 2009-06-07

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