EP2858872A1 - Safety control device for chairlift - Google Patents

Safety control device for chairlift

Info

Publication number
EP2858872A1
EP2858872A1 EP13730037.2A EP13730037A EP2858872A1 EP 2858872 A1 EP2858872 A1 EP 2858872A1 EP 13730037 A EP13730037 A EP 13730037A EP 2858872 A1 EP2858872 A1 EP 2858872A1
Authority
EP
European Patent Office
Prior art keywords
passenger
seat
detector
chairlift
radio
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.)
Granted
Application number
EP13730037.2A
Other languages
German (de)
French (fr)
Other versions
EP2858872B1 (en
Inventor
Pascal REICHERT
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.)
LST
Original Assignee
Eurolase
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 Eurolase filed Critical Eurolase
Publication of EP2858872A1 publication Critical patent/EP2858872A1/en
Application granted granted Critical
Publication of EP2858872B1 publication Critical patent/EP2858872B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 invention relates to the field of chairlifts such as those used in ski resorts to transport skiers up the slopes.
  • It relates more particularly to a closure control device of the safety bar of such chairlifts.
  • Seats used in chairlifts typically include the actual seat on which passengers sit, a backrest, a fixed barrier on the sides, and a movable railing at the front, open in the area. loading or unloading of passengers, and closed during the journey outside these areas.
  • the document FR 2 901 524 discloses a restraint solution complementary to the railings of the passengers, with magnetic retaining means. Nevertheless, this forces passengers to wear magnetic field sensitive equipment to be effective, which makes its overall use quite complex. In addition passengers may misperceive the feeling of being held on the chairlift in spite of themselves, and can stress on arrival with the risk that the magnetic force does not release them.
  • the document FR2 597 054 discloses an automated closure solution of a hood of a chairlift, the automation to ensure closure and opening. Nevertheless this requires a source of energy on each chairlift, and also passengers may appreciate only moderately to be “jostled” by closing the hood, and again at the mercy of a failure to open the door. 'arrival.
  • the present invention proposes to overcome at least some of the aforementioned drawbacks and proposes a solution that avoids accidents while maintaining manual actuation by the passengers of the mobile railings.
  • the invention relates to a safety control device of a chairlift seat, said seat comprising a guard rail movable between an open position configured to allow the loading or unloading of at least one passenger, and a closing position configured to protect said passenger from a fall of the seat, said device being configured to implement a method according to the invention.
  • This device is particular in that it comprises a passenger detector, configured to detect the presence of at least one passenger on said seat, a closure detector, configured to detect the closing position of said railing, and a means collection and processing, able to collect and process the data collected by said detectors and to give a stop command of the chairlift in the event of passenger presence and absence of closure of the guardrail, and in that said detector closure device is a radio-identification reader, and said guardrail comprises a radio-tag disposed so as to be detected by the closing detector when the railing is closed; such a device ensures the safety of passengers while leaving the passengers close and open the guardrail, and thus without risk of annoying or worrying passengers.
  • the solution of the radio-label allows a simple and reliable solution, without power supply of the on-board device.
  • said device may furthermore comprise an aperture detector, configured to detect the opening position of said railing, thus allowing a more reliable control by an observation of opening and not just a lack of closure,
  • said passenger sensor may be a 3D camera, allowing reliable detection of at least one passenger
  • said opening detector may be a radio identification reader
  • said guardrail comprise a radio-tag disposed so as to be detected by the opening detector when the railing is open;
  • said collection and processing means may be a controller configured to generate an alarm when the passenger detector detects at least one passenger on a seat, and the closing detector does not detect the closing position of the railing, thus allowing an effective and flexible solution, adaptable to the needs and constraints of each implantation,
  • the said alarm may consist of a stop of the chairlift, and / or a visual or audible alarm, thus offering varied possibilities to meet the requirements or wishes of each operator.
  • the present invention relates to a chairlift comprising a boarding station, a landing station and a plurality of chairlifts, and comprising a device according to the invention, in which the railing of each seat comprises a radio-tag, and the radio-identification reader is located at the embarkation station, thus allowing a minimum investment cost at each seat, for a very good detection of closing and opening of each seat.
  • said radio-tag may be arranged in the lower part of the guardrail considered in the closed position so as to be oriented downwards in the closed position of the railing and upwards in opening position of the railing, the closing detector being disposed under said seats, and the opening detector above said seats; such an arrangement makes it possible to optimize the reliability of the detection of closing and opening.
  • the advantage of the present invention lies in particular in that the device ensures that any passenger engages on the chairlift with an operational guardrail, by means of a simple sum device to install and operate. Furthermore, the device is invisible and insensitive to the passenger: it is always he who closes the guardrail, and insofar as it does, it will not even realize the presence of the safety device according to the 'invention. The acceptance of the device by users is therefore certain.
  • FIG. 1 shows a side view of a device according to the invention in a first configuration
  • FIG. 2 represents a side view of the device of FIG. 1 in a second configuration.
  • the present invention relates to a closure control device of a railing 1 of a chairlift.
  • the chairlift is for example installed in a ski resort, to allow skiers to climb the slope between two downhill skiing.
  • the invention applies to any chairlift having a mobile guardrail 1, so also to a chair lift for pedestrians in the mountains without ski, for pedestrians in a hill station or village, without departing from the scope of the present invention .
  • the chairlift includes a boarding station 2, shown schematically in the figures. It comprises a fixed structure 3, in particular supporting a pulley 4 around which a cable 5 is wound. This cable 5 supports several seats 6 able to receive passengers 7 while seated. In the example shown, a seat 6 can accommodate three passengers 7, but the invention naturally also applies to seats 6 smaller or larger, the most common chairlifts having seats 6 with a number of seats included between 2 and 8.
  • the boarding station 2 also includes a boarding track 8 and a safety net 9 configured to cushion the possible fall of a passenger 7 just after boarding.
  • the device according to the invention comprises a camera 10, preferably disposed on the fixed structure 3, and configured to detect the presence of at least one passenger 7 on the seat 6. It is also conceivable to have a presence detector on each seat 6, but this option is more complex to install and manage. It is important that the camera 10 be able to detect the presence of a passenger 7, whether it is installed on the right, left or middle of the seat 6. On the other hand, it is not necessary that the camera 10 be able to determine the number of passengers 7, it is sufficient that it distinguishes the presence of at least one passenger 7, and the total absence of passengers 7 on the seat 6. The camera 10 must be installed in such a way that it is not possible for a passenger 7 to board after the camera 10 has detected the absence of passengers 7.
  • the camera 10 may preferably be a 3D camera, making the interpretation of the images for the detection of people more reliable. Any other means of detecting persons may also be suitable, provided that such a means is reliable in the distinction between the presence of at least one passenger 7 and the total absence of passengers 7.
  • the arrangement above the seats 6, as shown in the drawing seems a favorable provision for the detection to be reliable and effective.
  • the device according to the invention also comprises two or more depending on the specificity of the chairlift to be controlled, RFID readers or radio-identification readers, arranged on the fixed structure 3, an upper reader 11, for example an RFID reader, disposed above the seats 6, and a lower reader 12, for example an RFID reader, disposed below the seats 6, for example at the level of the safety net 9.
  • These two upper readers 1 1 and lower 12 define a zone of guardrail detection B.
  • Each seat 6 is equipped with a radio-tag 13, or more depending on the specificity of the chairlift to be controlled, preferably disposed under the footrest portion 14 of the guardrail 1.
  • the radio-tag 13, also called RFID tag may be disposed at any point of the seat 6 to clearly distinguish the open position of the closed position. It may for example be arranged under the rail of the railing 1, especially for chairlifts without footrest 14.
  • Any other closure detector 12 of the railing 1 may also be suitable, and in particular a detector fixed on each seat 6. Nevertheless such a solution requires the implementation of a large number of detectors, and makes it more difficult to transmit the information from these detectors to an automaton.
  • the solution proposed and shown in the drawing limits the equipment of each seat 6 to a radio-tag 13, which is significantly more economical and simpler and reliable.
  • the device may include a traffic light 15, with red light in case of problems, and green light in the absence of a problem, or a horn to operate in case of a problem.
  • Control zone C is defined as the zone from the beginning of the person detection zone A until the end of the guardrail detection zone B.
  • the device according to the invention has not started to operate. Then: the camera 10 detects its presence on the seat 6 in the passenger detection zone A, and transmits the information to an automaton
  • the passenger 7 sets up the guardrail 1, which ensures its safety against a fall of the seat 6; the footrest 14 is therefore under the seat 6, and can be detected by the lower reader
  • the lower reader 12 stores the information, and transmits it to the PLC; he immediately deduces that security is assured, and leaves the fire green
  • the seat 6 ends upward, and carries the passenger 7 to destination.
  • the device When, when leaving the embarkation track 8, the passenger 7 does not put up the railing 1, no matter why, the seat 6 arrives in the control zone B with the guard rail 1 open, and therefore the radio-tag 13 up. It is then the upper reader 11 which detects the radio-tag 13, and transmits the information to the PLC. He immediately deduces that there is a security problem, and stops the chairlift urgently.
  • the device Preferably the device must be configured so that such a stop is possible before the seat 6 has left the safety net 9 when the boarding station is equipped, otherwise before the seat 6 has gained altitude by relative to the ground, so that, if the emergency stop causes the fall of the passenger 7, there is no significant damage.
  • the emergency stop must intervene in an area where the fall of a passenger 7 remains acceptable.
  • the emergency stop may be accompanied by a red light or a horn, depending on the arrangements made by the chairlift operator.
  • the device according to the invention without an upper reader, and it is then the absence of detection by the lower reader 12, confronted with the distance traveled by the seat 6, which makes it possible to trigger the emergency stop.
  • the distance traveled can be measured by a suitable device, or else calculated according to the state of the motor driving the cable 5.
  • the advantage of the present invention lies in particular in that the device ensures that any passenger 7 engages on the chairlift with a railing 1 operational, by means of a simple sum device to install and to to exploit. Moreover, the device is invisible and insensitive to the passenger 7: it is always him which closes the railing 1, and to the extent that it does, it will not even realize the presence of the safety device according to the invention. The acceptance of the device by users is therefore certain.

Abstract

The invention relates to a safety control device for a chairlift chair (6), said chair (6) comprising a mobile restraining bar (1) which can move between an opening position configured to allow the loading or unloading of at least one passenger (7), and a closure position configured to protect said passenger (7) from a fall from the chair (6), said device comprising a passenger detector (7) configured to detect the presence of at least one passenger (7) on said chair (6), a closure detector (12), configured to detect the closure position of said restraining bar (1), and a collection and processing means, able to collect and process the data gathered by said detectors and to issue an order to stop the chairlift in case of presence of passenger (7) and of absence of closure of the restraining bar (1), and in that said closure detector (12) is a radio-identification reader, and said restraining bar (1) comprises a radio-tag (13) disposed so as to be detected by the closure detector (12) when the restraining bar (1) is closed.

Description

DISPOSITIF DE CONTRÔLE DE SÉCURITÉ POUR TÉLÉSIÈGE  SECURITY CONTROL DEVICE FOR TELESIÈGE
L'invention concerne le domaine des télésièges tels que ceux utilisés dans les stations de ski pour transporter des skieurs vers le haut des pentes. The invention relates to the field of chairlifts such as those used in ski resorts to transport skiers up the slopes.
Elle concerne plus particulièrement un dispositif de contrôle de fermeture de la barre de sécurité de tels télésièges. It relates more particularly to a closure control device of the safety bar of such chairlifts.
Les sièges utilisés dans les télésièges comprennent généralement le siège proprement dit sur lequel les passagers viennent s'asseoir, un dossier à l'arrière, une barrière fixe sur les côtés, et un garde-corps mobile à l'avant, ouvert dans la zone de chargement ou déchargement des passagers, et fermé pendant le parcours en dehors de ces zones.  Seats used in chairlifts typically include the actual seat on which passengers sit, a backrest, a fixed barrier on the sides, and a movable railing at the front, open in the area. loading or unloading of passengers, and closed during the journey outside these areas.
Généralement ces garde-corps sont actionnés manuellement par les passagers eux- mêmes, un seul garde-corps étant présent pour protéger l'ensemble des passagers du siège, qui peut en contenir le plus souvent entre 2 et 6.  Generally these railings are manually operated by the passengers themselves, a single railing being present to protect all passengers in the seat, which can contain most often between 2 and 6.
II arrive malheureusement que des passagers distraits oublient de fermer le garde- corps mobile au départ, ce qui rend leur transport dangereux, avec un risque de chute qui peut être mortelle. Les exploitants de télésièges peuvent être rendus responsables de tels accidents. Ils ont donc le besoin de trouver des moyens de garantie contre de telles chutes. Unfortunately, distracted passengers forget to close the mobile guardrail initially, which makes their transport dangerous, with a risk of falling which can be fatal. Chairlift operators can be held responsible for such accidents. They therefore need to find ways to guarantee against such falls.
Le document FR2 901 524 divulgue une solution de retenue complémentaire au garde- corps des passagers, avec des moyens de retenue magnétiques. Néanmoins cela oblige les passagers à porter un équipement sensible au champ magnétique pour être efficace, ce qui rend son utilisation générale assez complexe. De plus les passagers peuvent mal percevoir la sensation d'être maintenu sur le télésiège malgré eux, et peuvent stresser à l'arrivée avec le risque que la force magnétique ne les libère pas.The document FR 2 901 524 discloses a restraint solution complementary to the railings of the passengers, with magnetic retaining means. Nevertheless, this forces passengers to wear magnetic field sensitive equipment to be effective, which makes its overall use quite complex. In addition passengers may misperceive the feeling of being held on the chairlift in spite of themselves, and can stress on arrival with the risk that the magnetic force does not release them.
Le document FR2 597 054 divulgue une solution de fermeture automatisée d'un capot d'un télésiège, l'automatisation permettant de garantir la fermeture et l'ouverture. Néanmoins cela nécessite une source d'énergie sur chaque télésiège, et par ailleurs les passagers peuvent n'apprécier que modérément d'être « bousculés » par la fermeture du capot, et là encore à la merci d'une panne d'ouverture à l'arrivée. La présente invention se propose de remédier à au moins une partie des inconvénients précités et propose une solution qui permette d'éviter les accidents tout en conservant un actionnement manuel par les passagers des garde-corps mobiles. The document FR2 597 054 discloses an automated closure solution of a hood of a chairlift, the automation to ensure closure and opening. Nevertheless this requires a source of energy on each chairlift, and also passengers may appreciate only moderately to be "jostled" by closing the hood, and again at the mercy of a failure to open the door. 'arrival. The present invention proposes to overcome at least some of the aforementioned drawbacks and proposes a solution that avoids accidents while maintaining manual actuation by the passengers of the mobile railings.
A cet effet, l'invention concerne un dispositif de contrôle de sécurité d'un siège de télésiège, ledit siège comportant un garde-corps mobile entre une position d'ouverture configurée pour permettre le chargement ou le déchargement d'au moins un passager, et une position de fermeture configurée pour protéger ledit passager d'une chute du siège, ledit dispositif étant configuré pour mettre en œuvre une méthode selon l'invention. Ce dispositif est particulier en ce qu'il comporte un détecteur de passager, configuré pour détecter la présence d'au moins un passager sur ledit siège, un détecteur de fermeture, configuré pour détecter la position de fermeture dudit garde- corps, et un moyen de collecte et de traitement, apte à collecter et traiter les données recueillies par lesdits détecteurs et à donner un ordre d'arrêt du télésiège en cas de présence de passager et d'absence de fermeture du garde-corps, et en ce que ledit détecteur de fermeture est un lecteur de radio-identification, et ledit garde-corps comporte une radio-étiquette disposée de sorte à être détectée par le détecteur de fermeture lorsque le garde-corps est fermé ; un tel dispositif permet de garantir la sécurité des passagers tout en laissant les passagers fermer et ouvrir le garde-corps, et donc sans risque de gêner ou inquiéter les passagers. La solution de la radio- étiquette permet une solution simple et fiable, sans alimentation électrique du dispositif embarqué.  To this end, the invention relates to a safety control device of a chairlift seat, said seat comprising a guard rail movable between an open position configured to allow the loading or unloading of at least one passenger, and a closing position configured to protect said passenger from a fall of the seat, said device being configured to implement a method according to the invention. This device is particular in that it comprises a passenger detector, configured to detect the presence of at least one passenger on said seat, a closure detector, configured to detect the closing position of said railing, and a means collection and processing, able to collect and process the data collected by said detectors and to give a stop command of the chairlift in the event of passenger presence and absence of closure of the guardrail, and in that said detector closure device is a radio-identification reader, and said guardrail comprises a radio-tag disposed so as to be detected by the closing detector when the railing is closed; such a device ensures the safety of passengers while leaving the passengers close and open the guardrail, and thus without risk of annoying or worrying passengers. The solution of the radio-label allows a simple and reliable solution, without power supply of the on-board device.
Selon d'autres caractéristiques :  According to other characteristics:
- ledit dispositif peut comporter en outre un détecteur d'ouverture, configuré pour détecter la position d'ouverture dudit garde-corps, permettant ainsi un contrôle plus fiable par un constat d'ouverture et pas seulement une absence de fermeture, said device may furthermore comprise an aperture detector, configured to detect the opening position of said railing, thus allowing a more reliable control by an observation of opening and not just a lack of closure,
- ledit détecteur de passager peut être une caméra 3D, permettant une détection fiable d'au moins un passager, said passenger sensor may be a 3D camera, allowing reliable detection of at least one passenger,
- ledit détecteur d'ouverture, peut être un lecteur de radio-identification, et ledit garde-corps comporter une radio-étiquette disposée de sorte à être détectée par le détecteur d'ouverture lorsque le garde-corps est ouvert; une telle solution permet une détection fiable de l'ouverture, et à des coûts modérés,  said opening detector, may be a radio identification reader, and said guardrail comprise a radio-tag disposed so as to be detected by the opening detector when the railing is open; such a solution allows a reliable detection of the opening, and at moderate costs,
- ledit moyen de collecte et de traitement peut être un automate configuré pour générer une alarme lorsque le détecteur de passager détecte au moins un passager sur un siège, et le détecteur de fermeture ne détecte pas la position de fermeture du garde-corps, permettant ainsi une solution efficace et souple, adaptable selon les besoins et les contraintes propres à chaque implantation,said collection and processing means may be a controller configured to generate an alarm when the passenger detector detects at least one passenger on a seat, and the closing detector does not detect the closing position of the railing, thus allowing an effective and flexible solution, adaptable to the needs and constraints of each implantation,
- ladite alarme peut consister en un arrêt du télésiège, et/ou une alarme visuelle ou sonore, offrant ainsi des possibilités variées pour répondre aux impératifs ou souhaits de chaque exploitant. - The said alarm may consist of a stop of the chairlift, and / or a visual or audible alarm, thus offering varied possibilities to meet the requirements or wishes of each operator.
La présente invention concerne enfin un télésiège comportant une gare d'embarquement, une gare de débarquement et une pluralité de télésièges, et comprenant un dispositif selon l'invention, dans lequel le garde-corps de chaque siège comporte une radio-étiquette, et le lecteur de radio-identification est disposé au niveau de la gare d'embarquement, permettant ainsi un coût d'investissement minimal au niveau de chaque siège, pour une très bonne efficacité de détection de fermeture et d'ouverture de chaque siège.  Finally, the present invention relates to a chairlift comprising a boarding station, a landing station and a plurality of chairlifts, and comprising a device according to the invention, in which the railing of each seat comprises a radio-tag, and the radio-identification reader is located at the embarkation station, thus allowing a minimum investment cost at each seat, for a very good detection of closing and opening of each seat.
Selon un autre mode de réalisation de l'invention ladite radio-étiquette peut être disposée en partie basse du garde-corps considéré en position de fermeture de sorte à être orienté vers le bas en position de fermeture du garde-corps et vers le haut en position d'ouverture du garde-corps, le détecteur de fermeture étant disposé sous lesdits sièges, et le détecteur d'ouverture au-dessus desdits sièges ; une telle disposition permet d'optimiser la fiabilité de la détection de fermeture et d'ouverture. L'avantage de la présente invention réside en particulier en ce que le dispositif permet de garantir que tout passager s'engage sur le télésiège avec un garde-corps opérationnel, par le moyen d'un dispositif somme toute simple à installer et à exploiter. Par ailleurs, le dispositif est invisible et insensible pour le passager : c'est toujours lui qui ferme le garde-corps, et dans la mesure où il le fait, il ne se rendra même pas compte de la présence du dispositif de sécurité selon l'invention. L'acceptation du dispositif par les usagers est donc certaine.  According to another embodiment of the invention said radio-tag may be arranged in the lower part of the guardrail considered in the closed position so as to be oriented downwards in the closed position of the railing and upwards in opening position of the railing, the closing detector being disposed under said seats, and the opening detector above said seats; such an arrangement makes it possible to optimize the reliability of the detection of closing and opening. The advantage of the present invention lies in particular in that the device ensures that any passenger engages on the chairlift with an operational guardrail, by means of a simple sum device to install and operate. Furthermore, the device is invisible and insensitive to the passenger: it is always he who closes the guardrail, and insofar as it does, it will not even realize the presence of the safety device according to the 'invention. The acceptance of the device by users is therefore certain.
D'autres caractéristiques et avantages de l'invention ressortiront de la description détaillée qui va suivre se rapportant à un exemple de réalisation donné à titre indicatif et non limitatif.  Other features and advantages of the invention will emerge from the following detailed description relating to an exemplary embodiment given by way of indication and not limitation.
La compréhension de cette description sera facilitée en se référant aux dessins joints, dans lesquels : The understanding of this description will be facilitated with reference to the accompanying drawings, in which:
la figure 1 représente une vue de côté d'un dispositif selon l'invention dans une première configuration ; la figure 2 représente une vue de côté du dispositif de la fig. 1 dans une deuxième configuration. Figure 1 shows a side view of a device according to the invention in a first configuration; FIG. 2 represents a side view of the device of FIG. 1 in a second configuration.
Tel que représenté dans les figures 1 et 2 du dessin ci-joint, la présente invention concerne un dispositif de contrôle de fermeture d'un garde-corps 1 d'un télésiège. Le télésiège est par exemple installé dans une station de ski, pour permettre aux skieurs de remonter la pente entre deux descentes en ski. L'invention s'applique à tout télésiège disposant d'un garde-corps 1 mobile, donc également à un télésiège pour piétons en montagne sans ski, pour piétons dans une station ou un village en pente, sans sortir du cadre de la présente invention.  As shown in Figures 1 and 2 of the attached drawing, the present invention relates to a closure control device of a railing 1 of a chairlift. The chairlift is for example installed in a ski resort, to allow skiers to climb the slope between two downhill skiing. The invention applies to any chairlift having a mobile guardrail 1, so also to a chair lift for pedestrians in the mountains without ski, for pedestrians in a hill station or village, without departing from the scope of the present invention .
Le télésiège comprend une gare d'embarquement 2, représentée schématiquement sur les figures. Elle comporte une structure fixe 3, supportant notamment une poulie 4 autour de laquelle s'enroule un câble 5. Ce câble 5 supporte plusieurs sièges 6 aptes à recevoir des passagers 7 en position assise. Sur l'exemple représenté, un siège 6 peut recevoir trois passagers 7, mais l'invention s'applique bien entendu également pour des sièges 6 plus petits ou plus grands, les télésièges les plus courants ayant des sièges 6 avec un nombre de places compris entre 2 et 8. La gare d'embarquement 2 comporte également une piste d'embarquement 8 et un filet de sécurité 9 configuré pour amortir la chute éventuelle d'un passager 7 juste après l'embarquement. The chairlift includes a boarding station 2, shown schematically in the figures. It comprises a fixed structure 3, in particular supporting a pulley 4 around which a cable 5 is wound. This cable 5 supports several seats 6 able to receive passengers 7 while seated. In the example shown, a seat 6 can accommodate three passengers 7, but the invention naturally also applies to seats 6 smaller or larger, the most common chairlifts having seats 6 with a number of seats included between 2 and 8. The boarding station 2 also includes a boarding track 8 and a safety net 9 configured to cushion the possible fall of a passenger 7 just after boarding.
Le dispositif selon l'invention comporte une caméra 10, disposée de préférence sur la structure fixe 3, et configurée pour détecter la présence d'au moins un passager 7 sur le siège 6. On peut aussi envisager de disposer un détecteur de présence sur chaque siège 6, mais cette option est plus complexe à installer et à gérer. Il est important que la caméra 10 soit apte à détecter la présence d'un passager 7, que celui-ci soit installé à droite, à gauche ou au milieu du siège 6. Il n'est en revanche pas nécessaire que la caméra 10 soit apte à déterminer le nombre de passagers 7, il suffit qu'elle distingue la présence d'au moins un passager 7, et l'absence totale de passagers 7 sur le siège 6. La caméra 10 doit être installée de telle sorte qu'il ne soit pas possible à un passager 7 d'embarquer après que la caméra 10 ait détecté l'absence de passagers 7. Elle doit donc couvrir une zone de détection de personnes A située sur la piste d'embarquement 8 de telle sorte que tout siège 6 prenant au moins un passager 7 puisse être identifié comme tel. La caméra 10 peut être de préférence une caméra 3D, rendant plus fiable l'interprétation des images pour la détection de personnes. Tout autre moyen de détection de personnes peut convenir également, pourvu qu'un tel moyen soit fiable dans la distinction entre la présence d'au moins un passager 7 et l'absence totale de passagers 7. La disposition au-dessus des sièges 6, telle que représentée sur le dessin semble une disposition favorable pour que la détection soit fiable et efficace. The device according to the invention comprises a camera 10, preferably disposed on the fixed structure 3, and configured to detect the presence of at least one passenger 7 on the seat 6. It is also conceivable to have a presence detector on each seat 6, but this option is more complex to install and manage. It is important that the camera 10 be able to detect the presence of a passenger 7, whether it is installed on the right, left or middle of the seat 6. On the other hand, it is not necessary that the camera 10 be able to determine the number of passengers 7, it is sufficient that it distinguishes the presence of at least one passenger 7, and the total absence of passengers 7 on the seat 6. The camera 10 must be installed in such a way that it is not possible for a passenger 7 to board after the camera 10 has detected the absence of passengers 7. It must therefore cover a person detection area A located on the embarkation track 8 so that any seat 6 taking at least one passenger 7 can be identified as such. The camera 10 may preferably be a 3D camera, making the interpretation of the images for the detection of people more reliable. Any other means of detecting persons may also be suitable, provided that such a means is reliable in the distinction between the presence of at least one passenger 7 and the total absence of passengers 7. The arrangement above the seats 6, as shown in the drawing seems a favorable provision for the detection to be reliable and effective.
Le dispositif selon l'invention comprend par ailleurs deux, ou plus selon la spécificité du télésiège à contrôler, lecteurs RFID, ou lecteurs de radio-identification, disposés sur la structure fixe 3, un lecteur supérieur 1 1 , par exemple un lecteur RFID, disposé au- dessus des sièges 6, et un lecteur inférieur 12, par exemple un lecteur RFID, disposé en dessous des sièges 6, par exemple au niveau du filet de sécurité 9. Ces deux lecteurs supérieur 1 1 et inférieur 12 définissent une zone de détection de garde-corps B. Chaque siège 6 est équipé d'une radio-étiquette 13, ou plus selon la spécificité du télésiège à contrôler, disposée de préférence sous la partie repose-pied 14 du garde- corps 1 . La radio-étiquette 13, encore appelée tag RFID, peut être disposée en tout point du siège 6 permettant de distinguer nettement la position ouverte de la position fermée. Elle peut par exemple être disposée sous la lisse du garde-corps 1 , notamment pour les télésièges n'ayant pas de repose-pied 14.  The device according to the invention also comprises two or more depending on the specificity of the chairlift to be controlled, RFID readers or radio-identification readers, arranged on the fixed structure 3, an upper reader 11, for example an RFID reader, disposed above the seats 6, and a lower reader 12, for example an RFID reader, disposed below the seats 6, for example at the level of the safety net 9. These two upper readers 1 1 and lower 12 define a zone of guardrail detection B. Each seat 6 is equipped with a radio-tag 13, or more depending on the specificity of the chairlift to be controlled, preferably disposed under the footrest portion 14 of the guardrail 1. The radio-tag 13, also called RFID tag, may be disposed at any point of the seat 6 to clearly distinguish the open position of the closed position. It may for example be arranged under the rail of the railing 1, especially for chairlifts without footrest 14.
Tout autre détecteur de fermeture 12 du garde-corps 1 peut convenir également, et notamment un détecteur fixé sur chaque siège 6. Néanmoins une telle solution nécessite la mise en œuvre d'un grand nombre de détecteurs, et rend plus difficile la transmission des informations de ces détecteurs vers un automate. La solution proposée et représentée sur le dessin permet de limiter l'équipement de chaque siège 6 à une radio-étiquette 13, ce qui est nettement plus économique et plus simple et fiable.  Any other closure detector 12 of the railing 1 may also be suitable, and in particular a detector fixed on each seat 6. Nevertheless such a solution requires the implementation of a large number of detectors, and makes it more difficult to transmit the information from these detectors to an automaton. The solution proposed and shown in the drawing limits the equipment of each seat 6 to a radio-tag 13, which is significantly more economical and simpler and reliable.
Le dispositif peut comporter un feu de signalisation 15, avec feu rouge en cas de problème, et feu vert en l'absence de problème, ou un klaxon à faire fonctionner en cas de problème. La zone de contrôle C est définie comme la zone depuis le début de la zone de détection de personnes A, jusqu'à la fin de la zone de détection de garde- corps B.  The device may include a traffic light 15, with red light in case of problems, and green light in the absence of a problem, or a horn to operate in case of a problem. Control zone C is defined as the zone from the beginning of the person detection zone A until the end of the guardrail detection zone B.
Le fonctionnement du dispositif est alors le suivant :  The operation of the device is then as follows:
- un passager se présente à l'embarquement en position 7  - a passenger arrives at boarding in position 7
- au signal, il avance en position 7', prêt à embarquer  - at the signal, it advances to position 7 ', ready to embark
- le siège 6 se présente derrière lui, il embarque et se trouve en position T  - The seat 6 is behind him, he embarks and is in position T
Jusque-là, le dispositif selon l'invention n'a pas commencé à fonctionner. Ensuite : - la caméra 10 détecte sa présence sur le siège 6 en zone de détection de passager A, et transmet l'information vers un automate Until then, the device according to the invention has not started to operate. Then: the camera 10 detects its presence on the seat 6 in the passenger detection zone A, and transmits the information to an automaton
- en quittant la piste d'embarquement 8, le passager 7 met en place le garde- corps 1 , ce qui assure sa sécurité contre une chute du siège 6 ; le repose-pied 14 se trouve donc sous le siège 6, et peut être détecté par le lecteur inférieur - Leaving the boarding track 8, the passenger 7 sets up the guardrail 1, which ensures its safety against a fall of the seat 6; the footrest 14 is therefore under the seat 6, and can be detected by the lower reader
12 en zone de détection de garde-corps B. Le lecteur inférieur 12 enregistre l'information, et la transmet à l'automate ; celui-ci en déduit immédiatement que la sécurité est assurée, et laisse le feu au vert 12 in the guardrail detection zone B. The lower reader 12 stores the information, and transmits it to the PLC; he immediately deduces that security is assured, and leaves the fire green
- le siège 6 termine sa course vers le haut, et transporte le passager 7 jusqu'à destination.  - The seat 6 ends upward, and carries the passenger 7 to destination.
Lorsque, en quittant la piste d'embarquement 8, le passager 7 ne met pas en place le garde-corps 1 , peu importe pour quelle raison, le siège 6 arrive en zone de contrôle B avec le garde-corps 1 ouvert, et donc la radio-étiquette 13 vers le haut. C'est alors le lecteur supérieur 1 1 qui détecte la radio-étiquette 13, et transmet l'information à l'automate. Celui-ci en déduit immédiatement qu'il y a un problème de sécurité, et arrête le télésiège en urgence. De préférence le dispositif doit être configuré pour qu'un tel arrêt soit possible avant que le siège 6 ait quitté le filet de sécurité 9 quand la gare d'embarquement en est équipée, sinon avant que le siège 6 ait pris de l'altitude par rapport au terrain, de sorte que, si l'arrêt d'urgence provoque la chute du passager 7, il n'y ait pas de dégât significatif. Dans certains cas un tel filet est inutile du fait de la disposition favorable du terrain, rendant une chute d'un passager 7 dans cette zone non dangereuse pour le passager 7. Ce qui est important dans le cadre de la présente invention, c'est que l'arrêt d'urgence doit intervenir dans une zone ou la chute d'un passager 7 reste acceptable. L'arrêt d'urgence peut s'accompagner du passage du feu au rouge, ou d'un klaxon, selon les dispositions prises par l'exploitant du télésiège. When, when leaving the embarkation track 8, the passenger 7 does not put up the railing 1, no matter why, the seat 6 arrives in the control zone B with the guard rail 1 open, and therefore the radio-tag 13 up. It is then the upper reader 11 which detects the radio-tag 13, and transmits the information to the PLC. He immediately deduces that there is a security problem, and stops the chairlift urgently. Preferably the device must be configured so that such a stop is possible before the seat 6 has left the safety net 9 when the boarding station is equipped, otherwise before the seat 6 has gained altitude by relative to the ground, so that, if the emergency stop causes the fall of the passenger 7, there is no significant damage. In some cases such a net is useless because of the favorable disposition of the ground, making a passenger fall 7 in this area not dangerous for the passenger 7. What is important in the context of the present invention is that the emergency stop must intervene in an area where the fall of a passenger 7 remains acceptable. The emergency stop may be accompanied by a red light or a horn, depending on the arrangements made by the chairlift operator.
On peut aussi prévoir le dispositif selon l'invention sans lecteur supérieur, et c'est alors l'absence de détection par le lecteur inférieur 12, confronté à la distance parcourue par le siège 6 qui permet de déclencher l'arrêt d'urgence. La distance parcourue peut être mesurée par un dispositif approprié, ou alors calculé en fonction de l'état du moteur entraînant le câble 5. It is also possible to provide the device according to the invention without an upper reader, and it is then the absence of detection by the lower reader 12, confronted with the distance traveled by the seat 6, which makes it possible to trigger the emergency stop. The distance traveled can be measured by a suitable device, or else calculated according to the state of the motor driving the cable 5.
L'avantage de la présente invention réside en particulier en ce que le dispositif permet de garantir que tout passager 7 s'engage sur le télésiège avec un garde-corps 1 opérationnel, par le moyen d'un dispositif somme toute simple à installer et à exploiter. Par ailleurs, le dispositif est invisible et insensible pour le passager 7 : c'est toujours lui qui ferme le garde-corps 1 , et dans la mesure où il le fait, il ne se rendra même pas compte de la présence du dispositif de sécurité selon l'invention. L'acceptation du dispositif par les usagers est donc certaine. The advantage of the present invention lies in particular in that the device ensures that any passenger 7 engages on the chairlift with a railing 1 operational, by means of a simple sum device to install and to to exploit. Moreover, the device is invisible and insensitive to the passenger 7: it is always him which closes the railing 1, and to the extent that it does, it will not even realize the presence of the safety device according to the invention. The acceptance of the device by users is therefore certain.
Bien que l'invention ait été décrite à propos d'une forme de réalisation particulière, il est bien entendu qu'elle n'y est nullement limitée et qu'on peut y apporter diverses modifications de formes, de matériaux et de combinaisons de ces divers éléments sans pour cela s'éloigner du cadre de l'invention. En particulier les zones de détections vidéo, position et nombre des lecteurs RFID comme des étiquettes, distances et paramétrages seront fonctions de la spécifié des gares à équiper.  Although the invention has been described with respect to a particular embodiment, it is understood that it is in no way limited and that various modifications of shapes, materials and combinations thereof can be made. various elements without departing from the scope of the invention. In particular the areas of video detection, position and number of RFID readers as labels, distances and settings will be functions of the specified stations to equip.

Claims

REVENDICATIONS
1 . Dispositif de contrôle de sécurité d'un siège (6) de télésiège, ledit siège (6) comportant un garde-corps (1 ) mobile entre une position d'ouverture configurée pour permettre le chargement ou le déchargement d'au moins un passager (7), et une position de fermeture configurée pour protéger ledit passager (7) d'une chute du siège (6), ledit dispositif étant configuré pour mettre en œuvre une méthode selon l'une des revendications précédentes, caractérisé en ce qu'il comporte un détecteur de passager (7), configuré pour détecter la présence d'au moins un passager (7) sur ledit siège (6), un détecteur de fermeture (12), configuré pour détecter la position de fermeture dudit garde-corps (1 ), et un moyen de collecte et de traitement, apte à collecter et traiter les données recueillies par lesdits détecteurs et à donner un ordre d'arrêt du télésiège en cas de présence de passager (7) et d'absence de fermeture du garde-corps (1 ), et en ce que ledit détecteur de fermeture (12) est un lecteur de radio-identification, et ledit garde-corps (1 ) comporte une radio-étiquette (13) disposée de sorte à être détectée par le détecteur de fermeture (12) lorsque le garde-corps (1 ) est fermé. 1. A safety control device for a chairlift seat (6), said seat (6) having a railing (1) movable between an open position configured to allow the loading or unloading of at least one passenger ( 7), and a closing position configured to protect said passenger (7) from a fall of the seat (6), said device being configured to implement a method according to one of the preceding claims, characterized in that comprises a passenger detector (7), configured to detect the presence of at least one passenger (7) on said seat (6), a closing detector (12) configured to detect the closing position of said railing ( 1), and a collection and processing means, capable of collecting and processing the data collected by said detectors and to give a stop command of the chairlift in case of presence of passenger (7) and absence of closure of the guard -body (1), and in that said closure member (12) is a radio identification reader, and said guardrail (1) has a radio tag (13) arranged to be detected by the closing detector (12) when the guardrail ( 1) is closed.
2. Dispositif selon la revendication précédente, comportant en outre un détecteur d'ouverture (1 1 ), configuré pour détecter la position d'ouverture dudit garde-corps (1 ).  2. Device according to the preceding claim, further comprising an opening detector (1 1), configured to detect the opening position of said railing (1).
3. Dispositif selon la revendication précédente, dans lequel ledit détecteur d'ouverture (1 1 ), est un lecteur de radio-identification. 3. Device according to the preceding claim, wherein said opening detector (1 1), is a radio-identification reader.
4. Dispositif selon l'une des revendications précédentes, dans lequel ledit détecteur de passager (10) est une caméra 3D.  4. Device according to one of the preceding claims, wherein said passenger sensor (10) is a 3D camera.
5. Dispositif selon l'une des revendications précédentes, dans lequel ledit moyen de collecte et de traitement est un automate configuré pour générer une alarme lorsque le détecteur de passager (10) détecte au moins un passager (7) sur un siège (6), et le détecteur de fermeture (12) ne détecte pas la position de fermeture du garde- corps (1 ).  5. Device according to one of the preceding claims, wherein said collecting and processing means is a controller configured to generate an alarm when the passenger sensor (10) detects at least one passenger (7) on a seat (6). , and the closing detector (12) does not detect the closing position of the railing (1).
6. Dispositif selon l'une des revendications précédentes, dans lequel ladite alarme consiste en un arrêt du télésiège, et/ou une alarme visuelle ou sonore.  6. Device according to one of the preceding claims, wherein said alarm consists of a stop chairlift, and / or a visual or audible alarm.
7. Télésiège comportant une gare d'embarquement (2), une gare de débarquement et une pluralité de sièges (6), et comprenant un dispositif selon l'une des revendications précédentes, dans lequel le garde-corps (1 ) de chaque siège (6) comporte une radio-étiquette (13), et le lecteur de radio-identification est disposé au niveau de la gare d'embarquement (2). 7. A chairlift comprising a boarding station (2), a landing station and a plurality of seats (6), and comprising a device according to one of the preceding claims, wherein the guardrail (1) of each seat (6) comprises a radio-tag (13), and the radio-identification reader is disposed at the boarding station (2).
8. Télésiège selon la revendication précédente, dans lequel ladite radio-étiquette (13) est disposée en partie basse du garde-corps (1 ) considéré en position de fermeture de sorte à être orienté vers le bas en position de fermeture du garde-corps (1 ) et vers le haut en position d'ouverture du garde-corps (1 ), le détecteur de fermeture (12) étant disposé sous lesdits sièges (6), et le détecteur d'ouverture (1 1 ) au-dessus desdits sièges (6).  8. chair lift according to the preceding claim, wherein said radio-tag (13) is arranged in the lower part of the guardrail (1) considered in the closed position so as to be oriented downwardly in the closed position of the railing (1) and upwards in the open position of the railing (1), the closing detector (12) being disposed under said seats (6), and the opening detector (1 1) above said seats (6).
EP13730037.2A 2012-06-06 2013-06-04 Safety control device for chairlift Active EP2858872B1 (en)

Applications Claiming Priority (2)

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FR1255254A FR2991649B1 (en) 2012-06-06 2012-06-06 SAFETY CONTROL METHOD FOR TELESIEGE
PCT/FR2013/051264 WO2013182803A1 (en) 2012-06-06 2013-06-04 Safety control device for chairlift

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FR3024116A1 (en) * 2014-07-24 2016-01-29 Altim CABLE TRANSPORT EQUIPMENT
FR3035725B1 (en) * 2015-04-28 2018-06-01 Bluecime METHOD FOR DETECTING GARDECORPS POSITION OF TELESIE NACELLAS BY IMAGE ANALYSIS
FR3035726B1 (en) * 2015-04-28 2018-06-01 Bluecime METHOD FOR DETECTING GARDECORPS POSITION OF TELESIE NACELLAS BY IMAGE ANALYSIS
FR3044995B1 (en) * 2015-12-11 2018-01-05 Poma CABLE TRANSPORTATION INSTALLATION
FR3059967B1 (en) * 2016-12-12 2019-01-25 Poma METHOD AND INSTALLATION FOR TRANSPORTING TRUCK VEHICLES BY A CABLE

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ES2227505T3 (en) * 2002-07-04 2005-04-01 Innova Patent Gmbh DEVICE FOR CONTROLLING THE INTERLOCK OF THE CLOSING BAR OF THE CHAIRS OF A FUNICULAR INSTALLATION.
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FR2991649A1 (en) 2013-12-13

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