EP2682924B1 - Method and device for remote control of machine - Google Patents

Method and device for remote control of machine Download PDF

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Publication number
EP2682924B1
EP2682924B1 EP13174455.9A EP13174455A EP2682924B1 EP 2682924 B1 EP2682924 B1 EP 2682924B1 EP 13174455 A EP13174455 A EP 13174455A EP 2682924 B1 EP2682924 B1 EP 2682924B1
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EP
European Patent Office
Prior art keywords
transmission
machine
omnidirectional
emergency stop
directional
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EP13174455.9A
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German (de)
French (fr)
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EP2682924A1 (en
Inventor
Olivier Sauzay
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Actia Automotive SA
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Actia Automotive SA
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Definitions

  • the invention relates to a remote machine control method.
  • the invention is particularly useful for remote control of a dangerous machine such as a roller brake.
  • the invention also relates to a machine remote control device, in particular a roller brakeometer.
  • the known methods for remote control of a roller brakeometer comprise the use of a wireless remote control integrated in a mobile housing carried by the operator, for dialogue with a control panel of the roller brake.
  • mobile remote control units carried by the operator use directional transmissions, by infrared radiation.
  • Directional transmissions, especially infrared transmissions need to face the control panel or face the infrared receiver to transmit run, run and stop commands. These directional transmission modes do not ensure that the transmission is always operational and available.
  • each mobile remote control is paired with an associated machine or an associated control desk, so that a mobile remote control can not interact with a machine that does not correspond to it.
  • radio transmissions so-called “radio transmissions” to give orders to run, run and stop without being in the viewing position of the machine or the control panel containing the corresponding radio receiver.
  • the document WO 2005/117 539 discloses a remote shutdown method and arrangement, in case of emergency, of a power supply equipment.
  • Embodiments include radio transmitters and radio receivers.
  • the method of remote shutdown of a power-supplied equipment, by an individual remote from a traditional control station comprises steps of: equipping said individual with a portable radio transmitter capable of transmitting a first signal of stop, to dispose a first receiver and actuating system interacting with a first portion of said equipment so as to cause an emergency stop of said first portion of said equipment upon reception by said receiver of said first stop signal, and to actuate said transmitter by said individual for transmitting said first stop signal if necessary to cause an emergency stop.
  • WO 2005/117 539 does not provide for use of a wireless remote control with directional transmission, for example, an infrared remote control.
  • a "directional transmission”, in particular an infrared transmission, is an exclusively directional transmission which transmits a running command to a machine only when the operator is facing the control station, in a position of total control operating conditions of the machine and its environment.
  • an "omnidirectional transmission” in particular a transmission by radio relay, is a totally omnidirectional transmission that transmits a stop command to a machine, in particular if it is necessary to cause an emergency stop, since any point of the workshop, without visual control of the machine, by means of this totally omnidirectional transmission
  • a first object of the invention is to improve the known state of the art, to allow a stoppage of a machine, including an emergency stop, even in the case where the operator can not be in visual contact with the machine. the machine or the control panel of the machine.
  • a second object of the invention is to allow the start of the machine only in the display position of the control panel of the machine, to continuously monitor the operation, and the safety conditions.
  • the invention thus makes it possible to transmit a running command to this machine only when the operator is facing the control station, in a position of total control of the operating conditions of the machine and its environment, by means of a transmission exclusively directional, and transmit a stop command to the said machine, in particular in case of need to cause an emergency stop, from any point in the workshop, without visual inspection of the machine, by means of a totally omnidirectional transmission .
  • the subject of the invention is a method of remote control of a machine, in particular a roller brakeometer, using a wireless remote control with directional transmission transmitting all the parameters of setting, starting and stopping normally.
  • the method comprises stopping steps, including emergency stop, by omnidirectional transmission of a stop command, including an emergency stop command, in case of command voluntary stop and in case of interruption of the omnidirectional transmission with the machine to be controlled.
  • the invention also relates to a device for remote control of a machine, in particular a roller brake, comprising a wireless remote control comprising a directional transmission means, characterized in that the device comprises omnidirectional transmission means for stopping , including emergency stop, in the case of voluntary stop command and in case of interruption of the omnidirectional transmission with the machine to be controlled.
  • a machine remote control method comprises a directional transmission loop for controlling a machine, in particular for controlling a roller brake.
  • the directional transmission loop includes a start order step 100.
  • step 101 an interrogation of the operation of an omnidirectional transmission is performed: if the omnidirectional transmission is operating, the authorization to start the directional transmission is given.
  • step 102 the machine is started by directional transmission, for example by infrared transmission.
  • step 103 an interrogation of the good operation of the omnidirectional transmission is carried out: if the omnidirectional transmission is running, the machine continues to operate according to the request of the operator.
  • step 104 the machine operates according to the orders given by the operator.
  • step 105 an interrogation of the good operation of the omnidirectional transmission is carried out: if the omnidirectional transmission is running, the machine continues the running operation.
  • step 106 a stop command is given by the operator and the stop is made by the directional control.
  • steps 101, 103 and 105 if the omnidirectional control test reveals a malfunction, the machine is stopped by an emergency stop means.
  • the remote control method of the invention also includes an omnidirectional control operation test loop.
  • An omnidirectional control operation test is performed in step 200, in connection with omnidirectional receive test step 202 and omnidirectional transmit test step 202.
  • the authorization steps 101, 103 and 105 are automatically validated, so that the operation of the directional control is transparent. for the user.
  • the safety of the operator is improved, because the stopping of the machine by omnidirectional transmission is always guaranteed.
  • a voluntary stop of the machine can also be obtained at any time by an action corresponding to a step 300 acting omnidirectionally on the steps 101 to 105 of the method according to the invention.
  • the invention thus allows at any time, in the absence of visualization of the machine, to perform a stop, including a locked emergency stop, thanks to the omnidirectional transmission.
  • a stop is commanded through the omnidirectional transmission, it is a locked emergency stop. This stop prohibits any new running order as long as a voluntary release of the lock has not been implemented by the operator.
  • infrared transmission is used.
  • a radio transmission is used.
  • a remote control device comprises a remote control box (1).
  • the remote control unit (1) communicates with a console (2) connected to a machine (3), for example a roller brake.
  • the remote control unit (1) is a wireless remote control box having a directional transmission means (4) such as an infrared transmitter coupled with an infrared receiver (5) disposed on the control panel (2).
  • the remote control unit (1) also comprises a radio transceiver (6) associated with an emergency stop button (7).
  • the radio transceiver (6) communicates with a radio transceiver (8) present on the control console (2) associated with a self-locked emergency stop means.
  • a display screen (9) constituting a man / machine interface is mounted in the control panel (2) and indicates the desired operation by the operator acting on buttons (4a, 4b) of the remote control unit (1).
  • the remote control unit (1) issues commands via the infrared transmitter (4)
  • the invention is particularly useful for ensuring the emergency stop of the machine (3), in particular in the case where the machine (3) comprises a roller brake.
  • the invention thus makes it possible to improve safety thanks to the combination of a directional transmission and an omnidirectional transmission, in particular thanks to the combination of an infrared transmission and a radio transmission.
  • the invention is particularly suitable for securing dangerous machines, in accordance with the safety standards relating to parts of the control systems relating to safety.
  • roller brakes makes it possible to reduce the risk of an accident for the operator by guaranteeing him a permanent means of stopping the machine.
  • the directional transmission ensures that the operating sequence can only be given in the visual control of the man / machine interface.
  • the omnidirectional emergency stop transmission can be used anywhere within the range of the radio transceivers used, even in the absence of visualization of the machine man / machine interface.
  • the emergency stop command is thus guaranteed by a safety system, taking precedence over all other commands, preferably by inhibiting the directional transmission in case of actuation of the emergency stop.
  • the permanent control and the test of operation of the omnidirectional transmission makes it possible to guarantee the safety of operation and the constant availability of the emergency stop.
  • the remote control unit provides a monitoring of the energy level of its battery, to send a discharge information over the air, thus avoiding unnecessarily stopping the remote controlled machine.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Operation Control Of Excavators (AREA)

Description

L'invention est relative à un procédé de commande à distance de machine.The invention relates to a remote machine control method.

L'invention est particulièrement utile pour la commande à distance d'une machine dangereuse telle qu'un freinomètre à rouleaux.The invention is particularly useful for remote control of a dangerous machine such as a roller brake.

L'invention est également relative à un dispositif de commande à distance de machine, notamment de freinomètre à rouleaux.The invention also relates to a machine remote control device, in particular a roller brakeometer.

Les procédés connus de commande à distance d'un freinomètre à rouleaux comportent l'utilisation d'une télécommande sans fil intégrée dans un boîtier mobile porté par l'opérateur, pour dialoguer avec un pupitre de commande du freinomètre à rouleaux.The known methods for remote control of a roller brakeometer comprise the use of a wireless remote control integrated in a mobile housing carried by the operator, for dialogue with a control panel of the roller brake.

Généralement, les unités de télécommande mobiles portées par l'opérateur utilisent des transmissions directionnelles, par rayonnement infrarouge. Les transmissions directionnelles, notamment les transmissions infrarouge, nécessitent d'être face au pupitre de commande ou face au récepteur infrarouge pour transmettre des ordres de marche, de fonctionnement et d'arrêt. Ces modes de transmission directionnels ne permettent pas d'assurer que la transmission est toujours opérationnelle et disponible. De manière connue, chaque télécommande mobile est appariée avec une machine associée ou un pupitre de commande associé, de sorte qu'une télécommande mobile ne peut pas interagir avec une machine ne lui correspondant pas.Generally, mobile remote control units carried by the operator use directional transmissions, by infrared radiation. Directional transmissions, especially infrared transmissions, need to face the control panel or face the infrared receiver to transmit run, run and stop commands. These directional transmission modes do not ensure that the transmission is always operational and available. In a known manner, each mobile remote control is paired with an associated machine or an associated control desk, so that a mobile remote control can not interact with a machine that does not correspond to it.

On connaît également des transmissions omnidirectionnelles, par voie hertzienne, dites « transmissions radio » permettant de donner des ordres de marche, de fonctionnement et d'arrêt sans être en position de visualisation de la machine ou du pupitre de commande contenant le récepteur hertzien correspondant.Also known omnidirectional transmissions, by radio, so-called "radio transmissions" to give orders to run, run and stop without being in the viewing position of the machine or the control panel containing the corresponding radio receiver.

Le document WO 2005/117 539 décrit un procédé et un agencement d'arrêt à distance, en cas d'urgence, d'un équipement alimenté en puissance. Les modes de réalisation incluent des émetteurs radio et des récepteurs radio. Le procédé d'arrêt à distance d'un équipement alimenté en puissance, par un individu éloigné d'un poste de commande traditionnel, comporte des étapes : d'équipement dudit individu avec un émetteur radio portable capable d'émettre un premier signal d'arrêt, de disposer un premier récepteur et système d'actionnement en interaction avec une première partie dudit équipement de manière à provoquer un arrêt d'urgence de ladite première partie dudit équipement sur réception par ledit récepteur dudit premier signal d'arrêt, et d'actionner ledit émetteur par ledit individu pour transmettre ledit premier signal d'arrêt en cas de besoin pour provoquer un arrêt d'urgence.The document WO 2005/117 539 discloses a remote shutdown method and arrangement, in case of emergency, of a power supply equipment. Embodiments include radio transmitters and radio receivers. The method of remote shutdown of a power-supplied equipment, by an individual remote from a traditional control station, comprises steps of: equipping said individual with a portable radio transmitter capable of transmitting a first signal of stop, to dispose a first receiver and actuating system interacting with a first portion of said equipment so as to cause an emergency stop of said first portion of said equipment upon reception by said receiver of said first stop signal, and to actuate said transmitter by said individual for transmitting said first stop signal if necessary to cause an emergency stop.

Ce document WO 2005/117 539 ne prévoit pas d'utilisation d'une télécommande sans fil à transmission directionnelle, par exemple, d'une télécommande à transmission par infrarouge.This document WO 2005/117 539 does not provide for use of a wireless remote control with directional transmission, for example, an infrared remote control.

Au sens de la présente invention, une « transmission directionnelle », notamment une transmission infrarouge, est une transmission exclusivement directionnelle qui ne transmet un ordre de marche à une machine que lorsque l'opérateur est face au poste de commande, en position de contrôle total des conditions de fonctionnement de la machine et de son environnement.For the purposes of the present invention, a "directional transmission", in particular an infrared transmission, is an exclusively directional transmission which transmits a running command to a machine only when the operator is facing the control station, in a position of total control operating conditions of the machine and its environment.

Au sens de la présente invention, une « transmission omnidirectionnelle », notamment une transmission par voie hertzienne, est une transmission totalement omnidirectionnelle qui transmet un ordre d'arrêt à une machine, notamment en cas de besoin de provoquer un arrêt d'urgence, depuis n'importe quel point de l'atelier, sans contrôle visuel de la machine, au moyen de cette transmission totalement omnidirectionnelleFor the purposes of the present invention, an "omnidirectional transmission", in particular a transmission by radio relay, is a totally omnidirectional transmission that transmits a stop command to a machine, in particular if it is necessary to cause an emergency stop, since any point of the workshop, without visual control of the machine, by means of this totally omnidirectional transmission

Un premier but de l'invention est de perfectionner l'état de la technique connue, pour permettre un arrêt d'une machine, notamment un arrêt d'urgence, même dans le cas où l'opérateur ne peut pas être en contact visuel avec la machine ou le pupitre de commande de la machine.A first object of the invention is to improve the known state of the art, to allow a stoppage of a machine, including an emergency stop, even in the case where the operator can not be in visual contact with the machine. the machine or the control panel of the machine.

Un deuxième but de l'invention est de permettre la mise en marche de la machine uniquement en position de visualisation du pupitre de commande de la machine, pour en contrôler continûment le fonctionnement, et les conditions de sécurité.A second object of the invention is to allow the start of the machine only in the display position of the control panel of the machine, to continuously monitor the operation, and the safety conditions.

L'invention permet ainsi de ne transmettre un ordre de marche à cette machine que lorsque l'opérateur est face au poste de commande, en position de contrôle total des conditions de fonctionnement de la machine et de son environnement, au moyen d'une transmission exclusivement directionnelle, et de transmettre un ordre d'arrêt à la dite machine, notamment en cas de besoin de provoquer un arrêt d'urgence, depuis n'importe quel point de l'atelier, sans contrôle visuel de la machine, au moyen d'une transmission totalement omnidirectionnelle.The invention thus makes it possible to transmit a running command to this machine only when the operator is facing the control station, in a position of total control of the operating conditions of the machine and its environment, by means of a transmission exclusively directional, and transmit a stop command to the said machine, in particular in case of need to cause an emergency stop, from any point in the workshop, without visual inspection of the machine, by means of a totally omnidirectional transmission .

L'invention a pour objet un procédé de commande à distance de machine, notamment de freinomètre à rouleaux, à l'aide d'une télécommande sans fil à transmission directionnelle transmettant tous les ordres de paramétrage, de mise en marche et d'arrêt normal, caractérisé par le fait que le procédé comporte des étapes d'arrêt, notamment d'arrêt d'urgence, par transmission omnidirectionnelle d'un ordre d'arrêt, notamment d'un ordre d'arrêt d'urgence, en cas de commande volontaire d'arrêt et en cas d'interruption de la transmission omnidirectionnelle avec la machine à commander.The subject of the invention is a method of remote control of a machine, in particular a roller brakeometer, using a wireless remote control with directional transmission transmitting all the parameters of setting, starting and stopping normally. , characterized in that the method comprises stopping steps, including emergency stop, by omnidirectional transmission of a stop command, including an emergency stop command, in case of command voluntary stop and in case of interruption of the omnidirectional transmission with the machine to be controlled.

Selon d'autres caractéristiques alternatives de l'invention :

  • La transmission directionnelle est avantageusement une transmission infrarouge, et la transmission omnidirectionnelle est avantageusement une transmission par voie hertzienne.
  • La transmission omnidirectionnelle est testée pour détecter une interruption de la transmission omnidirectionnelle et déclencher un arrêt d'urgence verrouillé de la machine à commander en cas de défaillance de la transmission.
  • La télécommande sans fil à transmission directionnelle est installée dans un boîtier de télécommande intégrant également la transmission omnidirectionnelle..
According to other alternative features of the invention:
  • The directional transmission is advantageously an infrared transmission, and the omnidirectional transmission is advantageously a transmission by radio.
  • The omnidirectional transmission is tested to detect omnidirectional transmission interruption and trigger a locked emergency stop of the machine to be controlled in the event of a transmission failure.
  • The wireless remote control with directional transmission is installed in a remote control box also integrating the omnidirectional transmission.

L'invention est également relative à un dispositif de commande à distance de machine, notamment de freinomètre à rouleaux, comportant une télécommande sans fil comprenant un moyen de transmission directionnelle, caractérisé par le fait que le dispositif comporte des moyens de transmission omnidirectionnelle d'arrêt, notamment d'arrêt d'urgence, en cas de commande volontaire d'arrêt et en cas d'interruption de la transmission omnidirectionnelle avec la machine à commander.The invention also relates to a device for remote control of a machine, in particular a roller brake, comprising a wireless remote control comprising a directional transmission means, characterized in that the device comprises omnidirectional transmission means for stopping , including emergency stop, in the case of voluntary stop command and in case of interruption of the omnidirectional transmission with the machine to be controlled.

Selon d'autres caractéristiques alternatives de l'invention :

  • La transmission directionnelle est avantageusement une transmission infrarouge et la transmission omnidirectionnelle est avantageusement une transmission par voie hertzienne.
  • Le dispositif comporte des moyens de test de la transmission omnidirectionnelle pour détecter une interruption de la transmission omnidirectionnelle et un arrêt d'urgence verrouillé de la machine à commander en cas de défaillance de la transmission.
  • Le dispositif comporte des moyens de transmission omnidirectionnelle intégrés avec la télécommande sans fil à transmission directionnelle.
According to other alternative features of the invention:
  • The directional transmission is advantageously an infrared transmission and the omnidirectional transmission is advantageously a transmission by radio.
  • The device includes means for testing the omnidirectional transmission to detect an omnidirectional transmission interruption and a locked emergency stop of the machine to be controlled in the event of a transmission failure.
  • The device includes omnidirectional transmission means integrated with the directional transmission wireless remote control.

L'invention sera mieux comprise grâce à la description qui va suivre donnée à titre d'exemple non limitatif en référence aux dessins annexés dans lesquels :

  • La figure 1 représente schématiquement un organigramme de fonctionnement d'un procédé de commande à distance selon l'invention.
  • La figure 2 représente schématiquement un dispositif de commande à distance selon l'invention.
The invention will be better understood from the following description given by way of nonlimiting example with reference to the accompanying drawings in which:
  • The figure 1 schematically represents an operating flow chart of a remote control method according to the invention.
  • The figure 2 schematically represents a remote control device according to the invention.

En référence à la figure 1, un procédé de commande à distance de machine comporte une boucle de transmission directionnelle pour commander une machine, notamment pour commander un freinomètre à rouleaux.With reference to the figure 1 a machine remote control method comprises a directional transmission loop for controlling a machine, in particular for controlling a roller brake.

La boucle de transmission directionnelle comporte une étape 100 d'ordre de démarrage.The directional transmission loop includes a start order step 100.

À l'étape 101, une interrogation du fonctionnement d'une transmission omnidirectionnelle est effectuée : si la transmission omnidirectionnelle fonctionne, l'autorisation de démarrage de la transmission directionnelle est donnée.In step 101, an interrogation of the operation of an omnidirectional transmission is performed: if the omnidirectional transmission is operating, the authorization to start the directional transmission is given.

À l'étape 102, la machine est démarrée par transmission directionnelle, par exemple par transmission infrarouge.In step 102, the machine is started by directional transmission, for example by infrared transmission.

À l'étape 103, une interrogation du bon fonctionnement de la transmission omnidirectionnelle est effectuée : si la transmission omnidirectionnelle fonctionne, la machine continue à fonctionner selon la demande de l'opérateur.In step 103, an interrogation of the good operation of the omnidirectional transmission is carried out: if the omnidirectional transmission is running, the machine continues to operate according to the request of the operator.

À l'étape 104, la machine fonctionne selon les ordres donnés par l'opérateur.In step 104, the machine operates according to the orders given by the operator.

À l'étape 105, une interrogation du bon fonctionnement de la transmission omnidirectionnelle est effectuée : si la transmission omnidirectionnelle fonctionne, la machine continue le fonctionnement en cours.In step 105, an interrogation of the good operation of the omnidirectional transmission is carried out: if the omnidirectional transmission is running, the machine continues the running operation.

À l'étape 106, un ordre d'arrêt est donné par l'opérateur et l'arrêt est effectué par la commande directionnelle.In step 106, a stop command is given by the operator and the stop is made by the directional control.

Aux étapes 101, 103 et 105, si le test de la commande omnidirectionnelle révèle un dysfonctionnement, la machine est arrêtée par un moyen d'arrêt d'urgence.In steps 101, 103 and 105, if the omnidirectional control test reveals a malfunction, the machine is stopped by an emergency stop means.

Le procédé de commande à distance selon l'invention comporte également une boucle de test de fonctionnement de commande omnidirectionnelle.The remote control method of the invention also includes an omnidirectional control operation test loop.

Un test de fonctionnement de la commande omnidirectionnelle est effectué à l'étape 200, en relation avec des étapes 201 de test de réception omnidirectionnelle et 202 de test de transmission omnidirectionnelle.An omnidirectional control operation test is performed in step 200, in connection with omnidirectional receive test step 202 and omnidirectional transmit test step 202.

Dans le cas où la boucle de test comportant les étapes 200, 201 et 202 garantit le bon fonctionnement de la commande omnidirectionnelle, les étapes d'autorisation 101, 103 et 105 sont automatiquement validées, de sorte que le fonctionnement de la commande directionnelle est transparent pour l'utilisateur.In the case where the test loop comprising steps 200, 201 and 202 guarantees the proper functioning of the omnidirectional control, the authorization steps 101, 103 and 105 are automatically validated, so that the operation of the directional control is transparent. for the user.

Ainsi, grâce à l'invention, la sécurité de l'opérateur est améliorée, du fait que l'arrêt de la machine par transmission omnidirectionnelle est toujours garanti.Thus, thanks to the invention, the safety of the operator is improved, because the stopping of the machine by omnidirectional transmission is always guaranteed.

Un arrêt volontaire de la machine peut également être obtenu à tout moment par une action correspondant à une étape 300 agissant par transmission omnidirectionnelle sur les étapes 101 à 105 du procédé selon l'invention.A voluntary stop of the machine can also be obtained at any time by an action corresponding to a step 300 acting omnidirectionally on the steps 101 to 105 of the method according to the invention.

L'invention permet ainsi à tout instant, en l'absence de visualisation de la machine, d'effectuer un arrêt, notamment un arrêt d'urgence verrouillé, grâce à la transmission omnidirectionnelle.The invention thus allows at any time, in the absence of visualization of the machine, to perform a stop, including a locked emergency stop, thanks to the omnidirectional transmission.

Si un arrêt est commandé au travers de la transmission directionnelle, il s'agit d'un arrêt normal conforme à la procédure. Cet arrêt n'interdit pas de donner ultérieurement un nouvel ordre de marche.If a stop is controlled through the directional transmission, it is a normal stop according to the procedure. This judgment does not prohibit later giving a new order of march.

Si un arrêt est commandé au travers de la transmission omnidirectionnelle, il s'agit d'un arrêt d'urgence verrouillé. Cet arrêt interdit tout nouvel ordre de marche tant qu'un déblocage volontaire du verrouillage n'a pas été mis en oeuvre par l'opérateur.If a stop is commanded through the omnidirectional transmission, it is a locked emergency stop. This stop prohibits any new running order as long as a voluntary release of the lock has not been implemented by the operator.

Comme transmission directionnelle préférée, on utilise une transmission par rayonnement infrarouge.As the preferred directional transmission, infrared transmission is used.

Comme transmission omnidirectionnelle préférée, on utilise une transmission par voie hertzienne.As a preferred omnidirectional transmission, a radio transmission is used.

Sur la figure 2, un dispositif de commande à distance selon l'invention comporte un boîtier de télécommande (1).On the figure 2 , a remote control device according to the invention comprises a remote control box (1).

Le boîtier de télécommande (1) dialogue avec un pupitre (2) relié à une machine (3), par exemple un freinomètre à rouleaux.The remote control unit (1) communicates with a console (2) connected to a machine (3), for example a roller brake.

Le boîtier de télécommande (1) est un boîtier de télécommande sans fil comportant un moyen de transmission directionnelle (4) tel qu'un émetteur infrarouge couplé avec un récepteur infrarouge (5) disposé sur le pupitre de commande (2).The remote control unit (1) is a wireless remote control box having a directional transmission means (4) such as an infrared transmitter coupled with an infrared receiver (5) disposed on the control panel (2).

Le boîtier de télécommande (1) comporte également un émetteur-récepteur radio (6) associé à un bouton d'arrêt d'urgence (7).The remote control unit (1) also comprises a radio transceiver (6) associated with an emergency stop button (7).

L'émetteur-récepteur radio (6) dialogue avec un émetteur-récepteur radio (8) présent sur le pupitre de commande (2) associé à un moyen d'arrêt d'urgence auto-verrouillé.The radio transceiver (6) communicates with a radio transceiver (8) present on the control console (2) associated with a self-locked emergency stop means.

Un écran (9) de visualisation constituant une interface homme/machine est monté dans le pupitre de commande (2) et indique le fonctionnement désiré par l'opérateur agissant sur des boutons (4a, 4b) du boîtier de télécommande (1).A display screen (9) constituting a man / machine interface is mounted in the control panel (2) and indicates the desired operation by the operator acting on buttons (4a, 4b) of the remote control unit (1).

Ainsi, lorsque l'opérateur est en situation de visualisation de l'interface homme/machine (9), le boîtier de télécommande (1) émet des ordres par l'intermédiaire de l'émetteur infrarouge (4)Thus, when the operator is in a viewing situation of the man / machine interface (9), the remote control unit (1) issues commands via the infrared transmitter (4)

Ces ordres sont reçus par le récepteur infrarouge (5) pour piloter le pupitre de commande (2) et pour afficher les séquences demandées par l'opérateur agissant sur les boutons (4a, 4b).These commands are received by the infrared receiver (5) to control the control panel (2) and to display the sequences requested by the operator acting on the buttons (4a, 4b).

Lorsque l'opérateur n'est pas en situation de visualisation du pupitre de commande (2), c'est-à-dire lorsque l'émetteur infrarouge (4) et le récepteur infrarouge (5) ne sont pas en situation de dialogue, un arrêt est garanti par appui du bouton d'arrêt d'urgence (7) déclenchant l'utilisation de la transmission omnidirectionnelle reliant l'émetteur-récepteur hertzien (6) et l'émetteur-récepteur hertzien (8).When the operator is not in the viewing position of the control panel (2), that is to say when the infrared transmitter (4) and the infrared receiver (5) are not in a dialogue situation, a stop is guaranteed by pressing the emergency stop button (7) triggering the use of the omnidirectional transmission connecting the radio transceiver (6) and the radio transceiver (8).

L'invention est particulièrement utile pour garantir l'arrêt d'urgence de la machine (3), en particulier dans le cas où la machine (3) comporte un freinomètre à rouleaux.The invention is particularly useful for ensuring the emergency stop of the machine (3), in particular in the case where the machine (3) comprises a roller brake.

L'invention permet ainsi une amélioration de la sécurité grâce à l'association d'une transmission directionnelle et d'une transmission omnidirectionnelle, en particulier grâce à l'association d'une transmission infrarouge et d'une transmission hertzienne.The invention thus makes it possible to improve safety thanks to the combination of a directional transmission and an omnidirectional transmission, in particular thanks to the combination of an infrared transmission and a radio transmission.

L'invention est particulièrement adaptée à la mise en sécurité de machines dangereuses, conformément aux normes de sécurité relatives aux parties des systèmes de commande relatives à la sécurité.The invention is particularly suitable for securing dangerous machines, in accordance with the safety standards relating to parts of the control systems relating to safety.

L'application de l'invention aux freinomètres à rouleaux permet de réduire les risques d'accident pour l'opérateur en lui garantissant de disposer d'un moyen permanent d'arrêter la machine.The application of the invention to roller brakes makes it possible to reduce the risk of an accident for the operator by guaranteeing him a permanent means of stopping the machine.

La transmission directionnelle garantit que l'ordre de marche ne peut être donné qu'en situation de contrôle visuel de l'interface homme/machine.The directional transmission ensures that the operating sequence can only be given in the visual control of the man / machine interface.

La transmission omnidirectionnelle d'arrêt d'urgence peut être utilisée en tout point de la zone de portée des émetteurs-récepteurs hertziens utilisés, même en l'absence de visualisation de l'interface homme/machine de la machine.The omnidirectional emergency stop transmission can be used anywhere within the range of the radio transceivers used, even in the absence of visualization of the machine man / machine interface.

La commande d'arrêt d'urgence est ainsi garantie par un système de sécurité, en étant prioritaire sur toutes les autres commandes, de préférence par inhibition de la transmission directionnelle en cas d'actionnement de l'arrêt d'urgence.The emergency stop command is thus guaranteed by a safety system, taking precedence over all other commands, preferably by inhibiting the directional transmission in case of actuation of the emergency stop.

Le contrôle permanent et le test de bon fonctionnement de la transmission omnidirectionnelle permet de garantir la sûreté du fonctionnement et la disponibilité constante de l'arrêt d'urgence.The permanent control and the test of operation of the omnidirectional transmission makes it possible to guarantee the safety of operation and the constant availability of the emergency stop.

On prévoit avantageusement que le boîtier de télécommande assure une surveillance du niveau énergétique de sa batterie, pour envoyer une information de décharge par voie hertzienne, en évitant ainsi d'arrêter inutilement la machine télécommandée.Advantageously, the remote control unit provides a monitoring of the energy level of its battery, to send a discharge information over the air, thus avoiding unnecessarily stopping the remote controlled machine.

Dans le cas de postes de travail particuliers, impliquant une intervention sur des machines parallèles, on peut prévoir une programmation particulière de la télécommande permettant d'arrêter toute machine d'un atelier, même dans le cas où la télécommande n'est pas appariée à une machine en situation de danger.In the case of particular workstations, involving intervention on parallel machines, it is possible to envisage a particular programming of the remote control to stop any machine from a workshop, even if the remote control is not matched to a machine in danger.

L'invention décrite en référence à des modes de réalisation particuliers ne leur est nullement limitée, mais couvre au contraire toute modification de forme et toute équivalence de fonction dans le cadre des revendications annexées.The invention described with reference to particular embodiments is not in any way limited to them, but on the contrary covers any modification of form and any functional equivalence within the scope of the appended claims.

Claims (12)

  1. Method for remote control of a machine, in particular a brake dynamometer, using a directional-transmission wireless remote controller (100-106), characterised in that the method comprises stop steps, in particular an emergency stop, by omnidirectional transmission of a stop command, in particular an emergency stop, in the case of a voluntary stop command (300), in particular an emergency stop, or in the case of an interruption (200) of the omnidirectional transmission with the machine to be controlled.
  2. Method according to claim 1, characterised, in combination, in that the directional transmission is transmission by infrared radiation and in that the omnidirectional transmission is over-the-air transmission.
  3. Method according to either claim 1 or claim 2, characterised in that the omnidirectional transmission is tested (201, 202) in order to detect an interruption of the omnidirectional transmission and to trigger (200) an emergency stop in the event of a fault.
  4. Method according to either claim 1 or claim 2, characterised in that the directional-transmission wireless remote controller is installed in a controller housing (1) which also incorporates the omnidirectional transmission.
  5. Method according to either claim 1 or claim 2, characterised in that the effect of an emergency stop command is ensured by permanent monitoring of the quality of the transmission.
  6. Method according to claim 2, characterised in that an emergency stop command is given from any point of a zone covered by an over-the-air signal.
  7. Device for remote control of a machine, in particular a brake dynamometer, including a wireless remote control means including a directional transmission means (4, 5), characterised in that the device further comprises means (6, 8) for omnidirectional transmission of a stop command, in particular an emergency stop, in the case of a voluntary stop command (7), in particular an emergency stop, or in the case of an interruption of the omnidirectional transmission with the machine to be controlled.
  8. Device according to claim 7, characterised in that the directional transmission means is a means for transmission by infrared radiation, and in that the omnidirectional transmission means is a means for over-the-air transmission.
  9. Device according to either claim 7 or claim 8, characterised in that the device comprises means for testing the omnidirectional transmission in order to detect an interruption of the omnidirectional transmission and to trigger an emergency stop.
  10. Device according to claim 7, characterised in that the directional-transmission wireless remote control means is mounted in a housing (1) which also incorporates an omnidirectional transmission means (6).
  11. Device according to claim 7, characterised in that the device ensures autonomous monitoring of the energy level of its battery in order to send discharge information over the air to the central processing unit of the machine.
  12. Device according to claim 7, characterised in that the device is a programmable device that is capable of implementing an emergency stop of all the machines of a workshop without having to discern the location of the signalled danger.
EP13174455.9A 2012-07-05 2013-07-01 Method and device for remote control of machine Not-in-force EP2682924B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1256437A FR2993085B1 (en) 2012-07-05 2012-07-05 METHOD AND DEVICE FOR REMOTELY CONTROLLING MACHINE

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EP2682924A1 EP2682924A1 (en) 2014-01-08
EP2682924B1 true EP2682924B1 (en) 2019-02-20

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EP (1) EP2682924B1 (en)
ES (1) ES2727104T3 (en)
FR (1) FR2993085B1 (en)

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CN110390809B (en) * 2019-07-04 2020-12-11 深圳万华数据科技有限公司 Method for preventing scooter from being operated accidentally

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US3897887A (en) * 1973-09-04 1975-08-05 Banyon Research Corp Remotely controlling and metering liquid dispensation
US20070229298A1 (en) * 2004-05-28 2007-10-04 Frederick John R Method and Arrangement for Stopping Powered Equipment in an Emergency Situation

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EP2682924A1 (en) 2014-01-08
ES2727104T3 (en) 2019-10-14
FR2993085B1 (en) 2014-08-08

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