EP0953705B1 - Procédé pour le contrôle cyclique des dispositifs de surveillance dans des systèmes de fermeture de porte - Google Patents

Procédé pour le contrôle cyclique des dispositifs de surveillance dans des systèmes de fermeture de porte Download PDF

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Publication number
EP0953705B1
EP0953705B1 EP99103450A EP99103450A EP0953705B1 EP 0953705 B1 EP0953705 B1 EP 0953705B1 EP 99103450 A EP99103450 A EP 99103450A EP 99103450 A EP99103450 A EP 99103450A EP 0953705 B1 EP0953705 B1 EP 0953705B1
Authority
EP
European Patent Office
Prior art keywords
door
monitoring
monitoring device
closing
condition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99103450A
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German (de)
English (en)
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EP0953705A2 (fr
EP0953705A3 (fr
Inventor
Fred Theerkorn
Gerhard Hennigs
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.)
ZF CV Systems Hannover GmbH
Original Assignee
Wabco GmbH
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Filing date
Publication date
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Publication of EP0953705A2 publication Critical patent/EP0953705A2/fr
Publication of EP0953705A3 publication Critical patent/EP0953705A3/fr
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Publication of EP0953705B1 publication Critical patent/EP0953705B1/fr
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Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/49—Safety devices, e.g. detection of obstructions or end positions specially adapted for mechanisms operated by fluid pressure, e.g. detection by monitoring transmitted fluid pressure
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/50—Fault detection
    • E05Y2400/508—Fault detection of detection
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/506—Application of doors, windows, wings or fittings thereof for vehicles for buses

Definitions

  • the invention relates to a verification method according to the preamble of patent claim 1.
  • a corresponding to the preamble of claim 1 device is known from the DE-C2-33 19855 known.
  • the known device consists of an electropneumatic door control with a reversing device, which is particularly intended for the control of doors in public transport, which serve the passenger transport.
  • the reversing device serves to prevent the entrapment of passengers and is triggered by monitoring elements.
  • the monitoring elements can be designed in different forms, eg. B. in the form of differential pressure switches, sensing edges, light barriers or contact contacts.
  • At least one limit switch is provided, which is positioned so that it responds before reaching the position "door closed". After the response of this limit switch an adjustable timer is activated; after the expiration of the time set by the timer of about 1.5 seconds, the reversing condition is reset and reversing then no longer possible. The reset of the reversing condition is necessary so that the door does not open during the trip when the monitoring elements are triggered by the passengers.
  • the last closing phase of the door can be controlled by the monitoring elements.
  • the known device has the disadvantage that the functionality of the monitoring elements can not be checked; the failure of a monitoring element as such therefore remains unnoticed.
  • the DE3545219A1 describes a control arrangement for a power-operated opening closure, in particular gate. It comprises a device for securing crushing and shearing points by means of a arranged on the closing edge of the gate blade touch bar that emits a command signal when touched, which prevents further dangerous wing movement. Proposed is a self-monitoring system for this safety device, which performs a test in each case in the closed position. In this case, a command signal is caused by action on the touch bar, which, if the touch bar and the pressure wave switch are in order, a set by the limit switch restart lock cancels.
  • the invention is therefore based on the object to provide a method which further increases the security of a door control.
  • the invention is based on the prevailing in the prior art idea that the signals from monitoring devices after the reset of the Reversierbedingung, which depends directly or indirectly on the response of an almost closed door signaling limit switch, have no further meaning for the door control.
  • the invention has the advantage that practically no additional costs are required for its realization, since an already existing program for a door control program only has to be modified.
  • a door locking system as in public transport, z. As in buses, is common, consists of the door itself, which may be constructed as a single-leaf or double-leaf door from the door drive, the pneumatic using pneumatic cylinders or electrically using electric motors may be formed and the door control, which, as is customary today, is designed as a microprocessor-controlled electronic door control.
  • the door control takes over the task of controlling the opening and closing movement of the door.
  • the door control generates control signals for the door movements.
  • pneumatic door drives these control signals to pneumatic valves, which are generally designed as solenoid valves door valves, forwarded and processed there.
  • pneumatic valves which are generally designed as solenoid valves door valves, forwarded and processed there.
  • a door valve is usually provided because a door leaf is to be operated with a pneumatic cylinder and a valve is required for this purpose.
  • electric door operators electric door operators [electric door]
  • the control signals for the door movements are forwarded to the electric or electronic motor control of the electric motors provided for the door operation.
  • the output signals generated by a door control are thus different, depending on the type of technology selected for the door drive.
  • the input-side signals of a door control are largely independent of the technology of the door drive, since monitoring devices, such as the below-described feeler edge or the light barrier, can be used both in pneumatic doors and electric doors. Therefore, it is not necessary to differentiate between door controls for electric and pneumatic doors; the below explained case of an embodiment for a pneumatic door can be readily for an electric door and vice versa, the embodiment explained below for an electric door can also be used for a pneumatic door.
  • the opening or shooting movement of a door is generally caused by a mounted on the dashboard manually operated electric button, the driver button, whose switching contact the door control is supplied on the input side, with a button operation with the door open a closing movement and a push-button operation initiates an opening movement at the closed door.
  • a button operation during a closing movement leads to a reversal of the direction of movement, d. H. the door is opened; conversely, the button operation during an opening movement leads to the closing of the door.
  • a door is opened due to a passenger request [the passenger actuates a corresponding button] and closing due to signals generated by the passenger change.
  • the inventive method can be applied to both driver-operated and automatic doors; in driver-operated doors, the door control is supplied with the signal of the driver pushbutton.
  • driver-operated doors the door control is supplied with the signal of the driver pushbutton.
  • automatic doors it is assumed that the door control corresponding opening or closing pulses are supplied from a separate automatic control, which is not the subject of this invention.
  • the passenger security of the door locking system causes the trapping of people, generally speaking of obstacles, is prevented. If the door controller recognizes such a pinching event during a closing movement, the door is reversed, i. H. its direction of movement is reversed, and the closing becomes an opening movement, whereby the door is fully opened.
  • monitoring devices are provided in a door locking system. Monitoring devices are able to trigger a response signal in the event of a pinching event, which is the input of the electronic door control, whereupon generated by this corresponding output side control signals for the door drive, which cause the reversing functions described above.
  • the effect of a triggered response to the door drive thus causes during a closing movement the door-opening and during an opening movement the shut-down of the door.
  • the reversing device of the door locking system is thus formed by the electronic door control and the door drive, which interact in the manner described.
  • Monitoring devices are used to detect the pinching events by providing a response signal at an output when this event occurs.
  • the outputs of all monitoring devices used in the door locking system are connected to corresponding inputs on the electronic door control, so that they can determine at any time, whether one of the monitoring devices provides a response signal or not; in the case of a response signal, control signals for reversing may be output in the circumstances described below.
  • the method according to the invention is first explained in its application to a door control according to the first-mentioned generic text.
  • a pneumatic door drive consisting of two pneumatic cylinders, for a double-leaf door.
  • a differential pressure switch are provided for each pneumatic cylinder, whereby a total of two differential pressure switches are available for two cylinders.
  • a differential pressure switch has two pneumatic inputs and a switching contact.
  • a pneumatic cylinder assigned for monitoring Differential pressure switch is connected to the two chambers of this pneumatic cylinder. If the pressure difference between the two chambers exceeds a predetermined pressure threshold with which this differential pressure switch is specified, then the normally open switching contact of the differential pressure switch is closed.
  • a pinching event can be determined by a closed switching contact signals that in the course of a closing or opening movement in the pneumatic cylinder by acting on the piston of the pneumatic cylinder differential pressure an actuating force is generated in a size which suggests a jammed object.
  • the switching contacts of both differential pressure switches are each supplied to an input of the door control; Response signals are thus applied to the door control when a switching contact or both switching contacts are closed.
  • Monitoring devices in the form of pressure switches can not be used for the entire path of a door leaf, they are path-dependent, since they can work reliably only in a certain segment of the door leaf path.
  • the cylinder piston When the door is closed, the cylinder piston is acted upon on the closing side with the supply pressure and the opening side is vented, so that in this state, a differential pressure in the amount of supply pressure arises, which of course to respond to the differential pressure switch leads. It is therefore additionally per door leaf, a limit switch is provided, which is mounted in such a location that its response [closing the contact] tells the door control that the corresponding door is almost closed.
  • the response signal of a differential pressure switch After switching [contact closing] of one of these limit switches, the response signal of a differential pressure switch, which is assigned to the respective door leaf, must no longer lead to reversing.
  • the monitoring area for a differential pressure switch monitoring door extends to the pathway between the open door and the path where the limit switch transitions to its closed position.
  • the limit switches of both door leaves are supplied to corresponding inputs of the door control.
  • FIG. 1 shows the cyclic checking of a monitoring system using the example of a closing process. Since the embodiment described contains two monitoring devices, this program part is executed separately for both monitoring devices, so it is implemented twice.
  • step (1) a door-closing command is issued to the door operator by the door controller caused by operation of the driver's button. With the door-closing command, the previously opened door begins to close, causing the way the door changed [Note: For automatic doors, step (1) is initiated by the automatic control].
  • step (2) it is checked whether the beginning of the monitoring area is reached in accordance with the current path of the door; Step (2) is executed as a waiting loop until this state has arrived.
  • step (3) which activates the monitoring device.
  • Step (3) is followed by the step (4), which makes the program progress, when the path of the door has reached a value corresponding to the end of the monitoring area.
  • step (4) which makes the program progress, when the path of the door has reached a value corresponding to the end of the monitoring area.
  • step (5) the monitoring device is deactivated, ie a response signal from the differential pressure switch of the left door does not lead from the deactivation to reverse the door leaf.
  • step "testing" (6) designed as a waiting loop takes place.
  • step "testing" (6) can take place under different conditions.
  • a first alternative is to carry out the verification of the functionality of the monitoring device immediately with a condition indicating the end of the monitoring area. In this case, the condition under which the test is to take place has already been made with the completion of step (4), and it goes immediately to step (7) [step (6) is a zero operation]. This alternative is not chosen for the present embodiment.
  • a second alternative is to make the checking of the functionality of the monitoring device after passing through a certain path segment after the arrival of the condition indicating the end of the monitoring area.
  • This option is particularly suitable if a displacement sensor is provided for a door leaf and you want to make the following in step (7) following review, if after the end of the surveillance area the door is still a specific, has passed through a defined path segment [step (7) is executed as a path-dependent waiting loop]. Since there is no displacement sensor in the present embodiment, this alternative is also not selected here.
  • the third alternative is to delay the checking of the functioning of the monitoring device by a certain time delayed after the arrival of the condition indicating the end of the monitoring area.
  • a certain predeterminable time is waited to proceed to step (7) [step (6) is executed as a time-dependent waiting loop] ,
  • the predetermined time is such that after switching the limit switch, the pressure build-up in the pneumatic cylinder for the left door is completed under normal conditions.
  • step (7) it is checked whether a response signal is present. Applied to the example, the state of the differential pressure switch is polled by the door controller. If a response signal before [yes branch], then the monitoring device is judged to be functional in step (8). Based on the differential pressure switch of the left door, this means that it works correctly, since he was able to signal that the pneumatic cylinder of the left door leaf is subjected to the closing pressure.
  • Step (9) means a zero operation because the door closing movement is already completed with the transition from step (6) to step (7).
  • step (7) If no response signal [no branch] is present according to step (7), this means that the differential pressure switch of the left door has not supplied a signal and this switch is therefore faulty.
  • step (11) the driver is appropriately informed [indicator lamp or LCD display] that the monitor of the left door leaf, namely the differential pressure switch associated with this door, is defective.
  • the driver is now aware that the monitoring device of this door has failed, and he can take appropriate steps by z. B. manually sets this door out of service.
  • the door locking system can also be designed by using appropriate, programmatically operated by the door control actuators so that the decommissioning of a door is also programmatically.
  • the decommissioning of the left door leaf, namely the door leaf with the defective differential pressure switch, in step (12); generalized, step (12) means that the program initiates an appropriate error response corresponding to the type of fault.
  • step (12) means a zero operation.
  • step (12) the end (10) of the program sequence follows.
  • the specific predeterminable time before the transition to step (7) according to the invention has a different function than the time of the adjustable timer corresponding to the generic type font mentioned above.
  • the predetermined time is used to determine a time for the test (6), in which under normal conditions a monitoring signal is present to check the functioning of the monitoring device.
  • the adjustable timer in the generic font is used to reset the reversing condition only when the time set by the timer has elapsed after reaching the limit switch: This time thus extends the period in which reverses the door.
  • the limit switches used in the embodiment described above are signaling devices.
  • other embodiments of signaling devices may be used therefor, provided they are capable of providing a digital yes / no signal at a particular door position;
  • Particularly suitable for this purpose sensors that z. B. are realized as inductive proximity switches.
  • the door control is able to read in the travel measurements of both door leaves and to determine the door positions for both door leaves.
  • the switching of a limit switch at the end of the monitoring area now corresponds to the condition that the measured value supplied by the distance sensor reaches the value corresponding to the end of the monitoring area.
  • the use of displacement sensors has the advantage that a change in the monitored area is realized by changing corresponding constants in the program which, once tested, then apply to all doors of the same type in a particular vehicle; a time-consuming and error-prone mechanical adjustment of limit switches is therefore not required.
  • the end of the surveillance area according to step (4) of Fig. 1 by reading in the displacement sensor measured value and comparing with the value corresponding to the end of the monitoring range.
  • the checking of the functionality of monitoring devices according to the invention can also be applied to an opening operation.
  • the last-mentioned embodiment of the use of displacement sensors is particularly suitable, since the state of the completely opened door can easily be determined on the basis of the path sensor measured value corresponding to this state.
  • step (1) is replaced by a door opening command and the step (10) means the end of the opening operation.
  • step (2) is expediently placed on a door position at which during the opening movement of the distance sensor reading indicates the already slightly open, no longer closed under pressure door; the end of the monitoring area corresponding to step (4) is given when the distance sensor reading corresponds to the fully opened door.
  • the testing according to step (6) in this case is usefully done directly with the signaling of the fully opened door by the displacement sensor, namely the indication of the condition that the end of the monitoring area has been reached; Step (6) is therefore executed as a null operation.
  • the door In the case of a door with a sensing edge, the door is fitted along its closing edge with a softly deformable rubber element designed as a rubber hollow profile in which the cavity of the rubber element is a closed volume under atmospheric pressure. This volume is connected via a sealing hose with a pressure wave switch.
  • the rubber element encounters an obstacle during a closing operation, the rubber element is deformed, the volume of the cavity is reduced, and a pressure pulse is generated.
  • the pressure pulse is received by the pressure wave switch and a normally open switch contact is actuated;
  • the pressure wave switch is designed as a membrane switch, in which a triggered by the pressure wave diaphragm deflection closes the switching contact.
  • the closed switch generates the response signal for the door control; a response signal means that a pinching event has occurred, resulting in door reversing in the manner described.
  • a monitoring device in the form of the sensing edge has the advantage that it is very sensitive. Even small obstacles, objects such. B. a dog leash, can be sensed. On the other hand, it is disadvantageous for feeler edges that they are very susceptible. There may be leaks in the rubber hollow profile, the connecting hose to the pressure wave switch can tear off, or the relatively sensitive mechanical actuating mechanism of the switching contact in the pressure wave switch can fail. Because of these known disadvantages, the invention is suitable Method particularly advantageous for checking this type of monitoring devices.
  • a sensing edge By their nature, the functionality of a sensing edge can of course be determined only in the context of a door closing operation.
  • the last path segment of a closing movement [door “almost” closed until the door “completely” closed] must be hidden from the monitoring even with a designed as a sensing edge monitoring device, with the size of this area due to the door drive used the optionally used door pneumatics and the formation of the rubber hollow profile of the sensing edge results.
  • the door control sensed response signals that arrive while the distance sensor reading corresponds to this last path segment do not lead to a reversal.
  • the monitoring area starts immediately after step (2) when the distance sensor reading indicates that the door starts closing from the open position.
  • the end of the monitoring area after step (4) is when the distance sensor reading reaches the above-explained last way segment before closing.
  • the test of the response signal after step (7) should take place after following the detection of the condition from the end of the surveillance area according to step (4), the last path segment is passed through, as this basically already described above as one of the three alternatives for step (6).
  • step (8) analogously to what has already been said above, the monitoring device is to be declared functional if a response signal has previously been detected as being present in step (7).
  • the hollow section is designed substantially rectangular, so that the rubber part when closing butt against the opposite side [in the case of the double-leaf door, the rubber hollow section of the other wing or a single-leaf door of the door stop] abuts, which reproducibly a pressure pulse is triggered.
  • the invention allows to check the operability of the sensing edge.
  • a sensing edge fails, this usually occurs spontaneously, e.g. B. the hose breaks off to the pressure wave switch. It is assumed that such a break occurs during a closing operation, namely at a rear door, which can not be viewed by the driver. If then in the course of closing with the now no longer functioning feeler edge, z. B. the hand of a child is trapped in the rubber hollow sections, the driver recognizes the error of the failed sensing edge; In addition, according to step (12) of the flowchart after Fig. 1 the onward journey of the vehicle is initially blocked. The driver is forced to open the door z.
  • the error reaction after step (12) can also cause an automatic opening of the door.
  • Displacement sensors are usually designed as potentiometric displacement sensors or as incremental encoders.
  • the voltage measured at the center tap of a potentiometer connected as a voltage divider serves as a measure of the path corresponding to the door position.
  • Incrementalists in their usual embodiment, a rotating with the door movement disc, which is provided with incremental elements, usually optically scanned. During scanning, each incremental element triggers a count accumulated in a counter included in the electronics of the door control, so that the content of this counter is a measure of the path corresponding to the door position.
  • Another monitoring device whose functionality can be checked according to the invention, constitutes a light barrier.
  • light barriers are usually used in one embodiment as horizontal light barriers.
  • the door is designed as a two-leaf door, and a door sensor is provided for sensing the door position per door.
  • a horizontal photocell works in a certain range of the door position of a door, which applies to both opening and closing.
  • This active area represents the reflex area of the light barrier.
  • a light source is located at a height that allows passengers to recognize that, beyond the access area, it encounters a reflector arranged at the same height on the door reflects the light striking him back to the light source.
  • a light sensor is mounted, which senses the reflected light. As long as the light sensor receives the reflected light, there is no object between the light source and the reflector, and the Closing or opening movement is conducted undisturbed to the end.
  • a response signal is triggered to the controller, which leads to a reversal of the relevant door leaf [also here means a response signal mutatis mutandis, a pinching event].
  • the fact is used for checking a trained as a horizontal light barrier monitoring device that when leaving the reflex area [surveillance area] in the context of a closing or opening movement no more light is transmitted to the arranged on the light source light sensor and thus also a response signal is triggered. If an obstacle has already occurred between the light source and reflector during the time when the door position was in the monitoring area, the response signal has already been triggered earlier and has led to reversing the door.
  • the monitoring area begins at the path sensor measured value corresponding to the door position at which the active reflex area of the light barrier begins.
  • the end of the monitoring area after step (4) is given when the distance sensor measured value corresponds to a door position at which the active reflex area is left.
  • step (6) is run directly [step (6) is a zero operation] and with the processing of step ( 7) started; If, on the other hand, the functionality of the monitoring device is to be checked only after a certain path segment has passed after the end of the monitoring area, the passage through this path segment is waited in step (6) before proceeding to step (7).
  • the other steps correspond to the explanations of the above embodiments.
  • the path sor values corresponding to the beginning and the end of the monitoring area represent constants stored for the door position comparison in steps (2) and (4), respectively.
  • step (8) As with the horizontal light barrier with leaving the reflex area [of the surveillance area], the closing movement of the door is generally not yet completed, closes accordingly Fig. 1 after step (8), the step (9), in which the remaining remaining door closing movement is awaited, before proceeding to the above-described step (10).
  • a monitoring device designed as a horizontal light barrier, it is possible to monitor not only the monitoring of the door closing but also the process of opening the door.
  • the path sensor values for the beginning and the end of the door opening monitoring area will generally be different from those for door closing.
  • the method according to the invention can also be used for checking monitoring devices which are designed as vertical light barriers.
  • the light hits from above, d. H. from a vehicle-fixed point above the door, on a reflector, which is embedded in the vehicle floor.
  • an active monitoring range can be determined, with the help of which it can be checked whether a response signal is generated outside the active reflex area, which can then be used in the manner described for checking the functionality.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Claims (9)

  1. Procédé de vérification cyclique du fonctionnement d'un système de fermeture de porte présentant les caractéristiques suivantes :
    a) il est prévu une unité de commande de porte comprenant un dispositif de protection des passagers sous la forme d'un dispositif d'inversion ;
    b) le dispositif d'inversion est déclenché par un signal de réponse d'au moins un dispositif de surveillance fonctionnant d'une manière qui dépend du déplacement ;
    c) le dispositif de surveillance fonctionne dans une zone de surveillance spécifique ;
    d) il est prévu un dispositif pour déterminer la fin de la zone de surveillance ;
    e) le dispositif de protection des passagers est considéré comme étant fonctionnel si le dispositif de surveillance fournit un signal de réponse lorsque la fin de la zone de surveillance a été atteinte,
    caractérisé en ce que
    une condition indiquant la fin de la zone de surveillance est définie lorsque la valeur de mesure fournie par un capteur de déplacement atteint une valeur qui correspond à la fin de la zone de surveillance.
  2. Procédé selon la revendication 1, caractérisé en ce que la vérification du fonctionnement du dispositif de surveillance s'effectue dès qu'une condition indiquant la fin de la zone de surveillance est satisfaite.
  3. Procédé selon la revendication 1, caractérisé en ce que la vérification du fonctionnement du dispositif de surveillance s'effectue de manière retardée d'un temps spécifique après l'apparition de la condition d'indication de la fin de la zone de surveillance.
  4. Procédé selon la revendication 1, caractérisé en ce que la vérification du fonctionnement du dispositif de surveillance s'effectue après avoir parcouru un segment de trajet spécifique et après l'apparition de la condition d'indication de la fin de la zone de surveillance.
  5. Procédé selon l'une des revendications 1, 2, 3 ou 4, caractérisé en ce que la condition d'indication de la fin de la zone de surveillance est fournie par un signal.
  6. Procédé selon la revendication 1, caractérisé en ce que le capteur de déplacement est réalisé sous la forme d'un capteur de déplacement potentiométrique.
  7. Procédé selon la revendication 6, caractérisé en ce que le capteur de déplacement est réalisé sous la forme d'un codeur incrémental.
  8. Procédé selon la revendication 7, caractérisé en ce que le codeur incrémental fonctionne selon un principe de balayage optique.
  9. Procédé selon au moins l'une des revendications précédentes, caractérisé en ce que dans le cas où le dispositif de surveillance n'est pas fonctionnel, une réponse à l'erreur correspondant au type d'erreur est déclenchée par commande programmée.
EP99103450A 1998-05-02 1999-02-23 Procédé pour le contrôle cyclique des dispositifs de surveillance dans des systèmes de fermeture de porte Expired - Lifetime EP0953705B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19819704A DE19819704B4 (de) 1998-05-02 1998-05-02 Verfahren zur zyklischen Überprüfung von Überwachungseinrichtungen in Türschließanlagen
DE19819704 1998-05-02

Publications (3)

Publication Number Publication Date
EP0953705A2 EP0953705A2 (fr) 1999-11-03
EP0953705A3 EP0953705A3 (fr) 2009-09-23
EP0953705B1 true EP0953705B1 (fr) 2011-11-16

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EP99103450A Expired - Lifetime EP0953705B1 (fr) 1998-05-02 1999-02-23 Procédé pour le contrôle cyclique des dispositifs de surveillance dans des systèmes de fermeture de porte

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EP (1) EP0953705B1 (fr)
DE (1) DE19819704B4 (fr)

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DE3319855A1 (de) * 1983-06-01 1984-12-06 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Elektropneumatische tuersteuerung
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DE19819704B4 (de) 2006-09-21
EP0953705A2 (fr) 1999-11-03
DE19819704A1 (de) 1999-11-04
EP0953705A3 (fr) 2009-09-23

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