PT1884615E - Method for operating an automatic sliding door assembly - Google Patents

Abstract

In an automated process to operate an emergency exit with a sliding door, the door drive has an electronic control unit linked to downward directed sensors that monitor the last fifth of the door travel. In normal operation the presence of an obstacle in this last sector results in immediate arrest or reversal of the door operation. The drive system is coupled to a house emergency system which if activated allows for the doors to open, but disallows closure in the event of an obstruction in the last one fifth of travel.

Description

DESCRIPTION

" PROCESS FOR THE OPERATION OF AN AUTOMATIC SLIDING GATE INSTALLATION " The present invention relates to a process for the operation of an automatic sliding door installation according to the generic concept of claim 1. From the document DE 19653026 AI is known a process for the operation of a sliding door installation with at least one sliding stop, which can be actuated by means of a drive device controlled by an electronic control device. A monitoring zone which, in the event of opening of the sliding stop, is crossed by a secondary vertical closing edge of the sliding stop, is monitored by a sensor device, in that the sensor device, in the presence of an obstacle in this monitoring zone, sends to the control device an obstacle signal which indicates this condition, in which case, in normal operation, immediate braking and stopping or reversing of movement of the sliding stop is effected. The sliding door installation can be used in a leakage and distress path as the drive device is operated so that in emergency operation the escape and distress path can be unlocked upon activation of the locating device. control with an emergency signal, in that the sliding stop is moved from its closing position towards its opening position through the control device. The signal of 1 obstacle is higher than the emergency signal, ie immediate braking of the sliding stop is also present in the presence of the emergency signal. This may mean, however, that obtaining a minimum required door opening width within a defined maximum time is not guaranteed in all cases. From DE 102004031897 A1, which represents the closest state of the art, another process is known for the operation of an automatic sliding door installation. When a signal indicates the presence of an obstacle in the monitoring zone, which is crossed by a secondary vertical closing edge of the sliding stop, in the event of opening of the sliding stop, the sliding stop, after going through the acceleration phase and a high speed shortened phase, is locked by the control device in a braking phase for a slower lower speed and moves with this low speed to its full open position. Through this process it is in fact guaranteed to obtain a minimum required opening width of the door, within a maximum time previously defined, however, there is the residual risk of obstacles being picked up by the secondary edge of the door stopper, which move with low speed, and eventually get stuck.

It is the object of the invention to create a process for the operation of an automatic sliding door installation, which guarantees both a reliable release of the escape path and also a minimization of the danger coming from the secondary closing edge of the sliding stop that opens . The object is solved by the features of claim 1. The dependent claims form advantageous embodiments of the invention. The sliding stop when the obstacle signal is present while the emergency signal is present is deliberately locked until stopped at a stopping point, with the stopping point being allowed only 80% of a minimum opening width defined prior to a sliding door installation, which may be used in a leakage and distress path, or between 80% of the minimum opening width and the full opening position. The sliding stop when the obstacle signal arises does not lock immediately, but continues first to operate in the opening direction, until one of the above criteria is satisfied.

In this way a reliable unlocking of the leakage path is guaranteed, as well as a minimization of the danger coming from the secondary closing edge of the sliding stop which opens, since the opening movement, ie the release of the escape path is continued, despite an obstacle signal which may be present, whereby stopping at the stopping point prevents entrapment of the obstacle and it becomes possible to unclog the danger zone of the secondary closing edge. The stopping point is reached until a predetermined maximum time expires for a sliding door installation, which may be used in a leakage and distress path, in which the sliding stop must have reached at least the minimum opening width.

In order to make it possible to clear the zone to be traversed by the secondary closing edge, the sliding stop, only after a pause time that can be previously set, for example, after a pause of 15 seconds has expired, is moved with a lower speed to its full opening position.

If the stopping point is already between the minimum opening width defined previously and the full opening position, this final complete opening may be dispensed with if necessary.

In the event that the sliding stop is stopped at a stopping point which is between 80% and 100% of the predetermined minimum opening width, the sliding stop, after the pause time has expired, must be moved at least to its amplitude minimum aperture, however it can remain here, ie it does not have to be moved to its full aperture position.

Examples of embodiments based on the figures in the drawing are explained in detail below.

In this case show:

1 shows an automatic sliding door installation in front view;

Fig. 2 is the velocity gradient as a function of the path, at the opening of the sliding stop, in an emergency operating condition;

Fig. 3 is a representation according to Fig. 2, for another example of embodiment; 4

Fig. 4 is a representation of the embodiment according to FIG. 3, in a diverging operating condition;

Fig. 5 is the velocity gradient versus time, upon opening of the sliding stop, in an emergency operating condition. Figure 1 shows an automatic sliding door installation 1, with two sliding stops 2 and two fixed panels 3. The sliding stops 2 may be driven by a drive device 4, positioned above the sliding stops 2 and the fixed panels 3, for example driven by a sensor (not shown), which senses an approaching person. The sliding stops 2 have approximately the same width as the adjacent fixed panels 3. The sliding door installation 1 is suitable for use in a leakage and distress path, in that the drive device 4 is carried out so that the sliding stops 2, upon command of the control device with an emergency signal, which may be produced, for example, by a smoke or fire detector or by a manually operable emergency button qe, are opened so that the sliding stops 2, within a maximum time previously defined (for example, 3 seconds) reach a predetermined minimum aperture width Xm (for example, 80% of the full aperture width).

In figures 2 to 5 the velocity V of the sliding stops 2 is shown, through their opening amplitude x (FIGS. 2 to 4) or through the time t (FIG. 4) for their opening movement 5, in the case of an emergency opening of the sliding door installation 1. The closing position of the sliding stops 2 is designated by the opening width X0 and the complete opening position of the sliding stops 2 is referred to as the opening width X2. The maximum speed obtained by the sliding stops 2 is referred to as v2. In the first embodiment according to FIG. 2 the minimum opening XM width of the sliding stops 2 is equal to the full opening width X2, while in the second embodiment according to FIGS. 3 and 4 the minimum opening XM amplitude is smaller than the full aperture amplitude X2.

In the event that there is no obstacle in the monitoring zone of the sensor device 5, which monitors the secondary closing edges of the sliding stops 2, the sliding stops 2 travel through the speed gradient designated by the reference numeral 7, that is, in the step s2 of acceleration the sliding stops 2 are accelerated within the time ti of acceleration up to the moment T2, from the pause to the high speed v2, which maintains in the phase s2 of high speed for the time t2 of high speed until the moment T2. A braking step S3 is associated in which the sliding stops 2, within the braking time T3 until the time T3, are locked from their maximum speed v2 until the pause and then reach the maximum opening amplitude X2. In this way, it is ensured that the sliding stops 2 are opened as quickly as possible in the case of an emergency opening of the sliding door installation 1, with the assumption that the sliding stops 2 reach the required minimum opening width Xm, within a maximum time previously defined. 6

In the event that an obstacle, in particular a person, is encountered in the monitoring zone of the sensor device 5, which monitors the secondary closing edges of the sliding stops 2, the sensor device 5 generates an obstacle signal and the obstacles sliding stops 2, while an emergency signal is present, travel the speed gradient designated by reference numeral 8. This corresponds to the velocity gradient 7 of the unobstructed motion, with respect to the si phase of acceleration. However, the phase traveled with the maximum speed v2 is limited to a high speed shortened phase S4, which is traveled at the time t4 shortened from high speed to the time T4, which - earlier than the speed gradient 7 of unhindered movement - the braking phase S5 traveled within the braking time t5 to the time T5 is associated. After traversing the braking phase S5, the speed of the sliding stops 2 is reduced to zero at a stop point Xi. The position of stop point Xi shall be at least 80% of the minimum opening XM. It is essential in this case that the acceleration Si phase, the high speed shortened phase s4 and the braking phase s5 are driven within the maximum time previously defined, for example 3 seconds, so that it is then safely reached at least the minimum opening XM required by the sliding stops 2. The sliding stops 2 remain for a pause time t6, which may be set previously, at the stop point Xi. Within this time an evacuation of the zone to be crossed by the secondary closing edge of the sliding stop 2 is possible.

In the embodiment according to FIG. 2, the minimum opening XM amplitude corresponds to the full opening position X2, ie the stop point Xi is 80% of the minimum opening XM amplitude. Following the stop described, the sliding stops 2 after expiration of the pause time t6 should continue to move to their full aperture position X2 to reach the minimum aperture XM. This movement can be performed with the low speed vi in a low speed phase at low speed t7. Shortly before reaching the full-open position X2, braking is performed from the low speed v7 along the unhindered speed of movement 7, so that the sliding stops 2, upon reaching the maximum opening position X2 are locked until stopped.

In the embodiment according to FIGS. 3 and 4 the minimum opening width Xm is smaller than the full opening position X2.

In the movement gradient according to fig. 3, the braking of the sliding stops 2 is verified so that the stop point X7 is situated at 80% of the minimum opening width Xm, ie after the pause time expires, the sliding stops 2 must continue to move, at least up to its minimum opening XM amplitude. Here the sliding stops can be retained again to reduce the danger of jamming of obstacles, however, alternatively, they are also displaced along the velocity gradient 8 ', shown in phantom, to their full-open position X2.

In the divergent movement gradient according to Fig. 4, the braking of the sliding stops 2 is checked so that the stop point Xi lies within the full opening minimum XM range, ie after the pause time t6 expires, the sliding stops 2 do not have to continue to move at least up to the full aperture position X2, i.e., during the low speed time in Fig. 5. Alternatively, however, the sliding stops 2 may also be displaced here along the velocity gradient 8 ', shown in phantom, to their full aperture position X2.

Also in normal operation the opening movement of the sliding stops 2 of the sliding door installation 1, therefore, in the opening of the door stops controlled by an approaching person, may be monitored by the sensor device 5 and be checked at the same speeds as represented above.

List of reference numbers 1 Sliding door installation 2 Sliding door 3 Fixed panel 4 Drive device 5 Sensor device 6 Monitoring zone 7 Speed gradient 8 Speed gradient 8 'Speed gradient 51 Acceleration phase 52 High-speed phase 53 Braking phase s4 High speed shortened phase s5 Braking phase s6 Low speed phase vi Low speed 9 v2 Maximum speed

Ti Moment T2 Moment T3 Moment T 4 Moment T5 Moment Τβ Moment T 7 Moment ti Acceleration time t2 High speed time t3 Braking time 14 High speed shortened time 15 Braking time tg Pause time 17 Low speed time

Xo Closure position

Xi Stopping point X2 Opening position XM Minimum opening width

Lisbon, September 03, 2013 10

Claims (2)

Method for operating an automatic sliding door installation (1), with at least one sliding stop (2), which can be actuated by means of a drive device (4) controlled by an electronic control device , a monitoring zone (6) which, in the event of opening of the sliding stop (2), is crossed by a secondary vertical closing edge of the sliding stop (2), is monitored by means of a device (5) (5), in the presence of an obstacle in this monitoring zone (6), sends an obstacle signal to the control device, which indicates this condition, in which case, in normal operation, an immediate braking and stopping or reversal of movement of the sliding stop (2) is effected and the sliding door installation (1) being capable of being used in an escape and distress path, in that the device (4) is operated so that, in emergency operation, the escape and distress path can be unlocked after activation of the control device with an emergency signal, as the sliding stop (2) is moved from its the locking position (Xo) in the direction of its opening position (X2), through the control device and wherein the sliding stop (2), at the occurrence of the obstacle signal, while the emergency signal is present, is locked (X1), characterized in that the stopping point (Xi) is only allowed to 80% or between 80% of a minimum opening width (Xm) and the opening position (X2) (1) which can be used on a leakage and distress path, wherein the sliding stop (2), after a pause time (16) has elapsed, runs from the time a stop is reached P (Xi), which is between 80% and 100% of a minimum opening amplitude (XM), previously defined for a sliding door installation (1) that can be used in a leakage and distress path, is moved to its minimum aperture amplitude (XM), with a lower velocity (vi) being reduced. Method according to claim 1, characterized in that the sliding stop (2), after a pause time (t6) has elapsed since the stopping point (Χλ) has been reached, is moved to its position (X2 ) with a lower velocity (v2). Lisbon, September 03, 2013 2