EP1509665A1 - Door gap monitoring - Google Patents

Door gap monitoring

Info

Publication number
EP1509665A1
EP1509665A1 EP03752769A EP03752769A EP1509665A1 EP 1509665 A1 EP1509665 A1 EP 1509665A1 EP 03752769 A EP03752769 A EP 03752769A EP 03752769 A EP03752769 A EP 03752769A EP 1509665 A1 EP1509665 A1 EP 1509665A1
Authority
EP
European Patent Office
Prior art keywords
door
profile
monitoring
closing
doors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03752769A
Other languages
German (de)
French (fr)
Other versions
EP1509665B1 (en
Inventor
Friedrich Hackl
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.)
Knorr Bremse GmbH
Original Assignee
Knorr Bremse GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Knorr Bremse GmbH filed Critical Knorr Bremse GmbH
Publication of EP1509665A1 publication Critical patent/EP1509665A1/en
Application granted granted Critical
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Anticipated expiration legal-status Critical
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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
    • E05F15/42—Detection using safety edges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2400/00—Electronic control; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/60—Power supply; Power or signal transmission
    • E05Y2400/65—Power or signal transmission
    • E05Y2400/66—Wireless transmission
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for

Definitions

  • the invention relates to a device for monitoring the door gap of the doors of rail vehicles, lifts, or the like.
  • a device for monitoring the door gap of the doors of rail vehicles, lifts, or the like With at least one door leaf which is optionally provided with an elastically deformable or elastically mounted profile on its main closing edge and a method for monitoring such a door gap.
  • the various safety devices for the doors of rail vehicles or lifts, but also the nacelles of cable cars, etc. monitor a wide variety of parameters, especially while the door is being closed.
  • This can be the force necessary for closing, from which it can be deduced whether objects or people are pushing against the closing movement, this can be the closing speed from which one can also conclude trapped people or objects, this can cause deformations on the main cutting edge , which is usually formed from a relatively voluminous rubber profile, from which it can be concluded that the door ran into an obstacle during the closing movement and the like. more.
  • the reaction to the detection of an obstacle or a jammed object or part of the body is different, depending on the application. In some cases it is required that the closing movement is changed to an opening movement and the door only starts the closing movement again after a predetermined time has passed, in other cases the door is only required to stand still for a predetermined period, in other cases again follows only a short and localized reversal of movement to allow pinched people to free themselves and various other things.
  • the aim of the invention is to avoid this risk and to propose a safeguard which is capable of reliably recognizing such objects or their jamming.
  • this is done by monitoring the door gap after it has closed, the monitoring being able to be carried out by pneumatic, optical, electrical, capacitive or magnetic sensors or combinations.
  • the door gap monitoring according to the invention does not change the behavior of a given automatic closing mechanism and can therefore also be easily and easily retrofitted.
  • the device according to the invention and the method according to the invention for monitoring the door gap is activated or carried out after the doors have been closed and that it is then determined whether the shape of the main closing edge the door, usually made of elastic material, which corresponds to the shape which correlates with the correct closing condition of the door or whether it is deformed, which is interpreted as a result of a jammed object and triggers a message or an alarm.
  • a physical quantity is measured which corresponds to the shape or position of the gap / profile and is compared with the size of the correct shape / position of the gap / profile.
  • FIGS. 3 to 5 show a second embodiment of the invention in views similar to those of FIGS. 1 and 2 and
  • FIG. 6 shows a schematic view of a test arrangement.
  • a door designated in its entirety by 1 has two door leaves 2, 3, each of which is provided with an elastic profile 4 (FIG. 2) in the region of its main closing edge.
  • the profile 4 essentially has the sticks of the door leaves 2, 3 and is provided with undercut areas 5 which facilitate assembly on the end face of the door leaf.
  • the actual end face 6 of the profile 4 is designed to be curved so that the main closing edges are sealed even if the door wings do not meet in exact alignment.
  • the shape of the Profilecs 6 has a certain adjusting effect, through which tolerances in the guidance of the door leaves can be compensated.
  • the profile 4 also has two cavities, an approximately triangular cavity 7 and a rather slot-like cavity 8.
  • the two cavities extend parallel to the main closing channels, together with the end face 6, and have the following tasks:
  • the approximately triangular cavity 7 gives the profile 4 flexibility if 6 objects are jammed between the end faces.
  • the cavity 8 also deforms when objects are jammed between the end faces 6, this deformation is monitored by contact elements 9 ′, 9 ′′, which come into contact with one another even with a slight deformation of the shape of the cavity 8 and thereby short-circuit a monitoring circuit.
  • the cable routing and the arrangement of the switching elements is shown in a purely schematic manner in FIG.
  • FIGS. 4 and 5 represent a variant of the invention, which is based on an optical basis.
  • the two door leaves 2 and 3 have strips 12, 14 of different design in this variant.
  • Such profiles are used in the prior art as special finger protection profiles, the sealing takes place via lips 13, which are provided on each of the two profiles, an additional thin-walled cylindrical tube 18 is slightly deformed in the closed state (FIG. 5) and also contributes to Sealing and acoustic insulation.
  • FIG. 3 shows the mode of operation of the devices according to the invention, for example when a dog's leash is pinched, using an experimental arrangement with which the sensitivity of the device can be tested: a dog leash or the like.
  • devices according to the invention are able to recognize rigid test specimens with a diameter of 6 mm and flexible line-like or cord-like structures with a thickness of 1 mm with a pull-out direction of only 15 ° to the normal on the door level and a tensile load of 80 N in the cord-like structure.
  • the conventional monitoring devices used during the closing can only detect objects with a dimension of at least 20 x 80 mm or 30 x 60 mm, so apart from the problems of self-activation due to the shocks in the closing area, they are also of their geometric sensitivity not suitable for the purposes of the invention.
  • the profile 4 can be designed with only one cavity, the cavity 8 and without a cavity 7; in the version according to FIGS. 3-5, electrical monitoring with contact strips can be used instead of monitoring with infrared light which are arranged on the inside of the front portion of the cylindrical tube 18, for example glued, take place.
  • the devices 19 'and 19 "are omitted.
  • an elastic profile 4 is provided on the main closing edge if it also protects the sensors from damage. In particular with elevator doors, it is possible to find out without such a profile.
  • it does not have to consist of an elastomeric material, as shown, but can be an elastically supported but inherently "rigid" profile. In this case, its position, especially the elastic mounting, is preferably monitored using at least one sensor.
  • a profile whose shape is monitored can be attached to the door frame instead of the door leaf, which eliminates all problems of the movable signal cables and mechanically stressed sensors.
  • the sensors provided according to the invention are not at the moment the closing of the door leaf ends (or just before) to activate, but with a certain delay in order to prevent the sensors from incorrectly detecting a "pinched state" and giving an alarm due to possible shocks and vibrations of the door leaves.
  • the delay in activation can, depending on the door type, be in intervals of less than one second up to span several seconds.

Abstract

The present disclosure relates to a method of monitoring a door gap to determine whether a proper final closed position of doors exists after a closing of doors of rail vehicles, or other vehicles or elevators. The vehicles or elevators have at least one door leaf which is equipped on its main closing edge with an elastically deformable or elastically mounted profile. The position and/or shape of the profile is detected by electric, pneumatic, optical, inductive, capacitive or magnetic sensors or a combination of such sensors in connection with an electronic monitoring system which analyzes the signals of the sensors and, if applicable, determines the existence of the door gap. The method steps include closing the doors, activating the electronic monitoring system after the closing of the doors; monitoring the door gap and determining a final closed position of the doors by the electronic monitoring system.

Description

Türspaltübcrwachung Türspaltübcrwachung
Die Erfindung betrifft eine Vorrichtung zur Überwachung des Türspalts von Türen von Schienenfahrzeugen, Liften, od.dergl., mit zumindest einem Türflügel der gegebenenfalls an seiner Hauptschließkante mit einem elastisch deformierbaren bzw. elastisch gelagerten Profil versehen ist und ein Verfahren zum Überwachen eines solchen Türspaltcs.The invention relates to a device for monitoring the door gap of the doors of rail vehicles, lifts, or the like. With at least one door leaf which is optionally provided with an elastically deformable or elastically mounted profile on its main closing edge and a method for monitoring such a door gap.
Die verschiedenen Sicherhcitsvorrichtungcn bei Türen von Schienenfahrzeugen oder Liften, aber auch Gondeln von Seilbahnen, etc. überwachen die unterschiedlichsten Parameter, insbesondere während des Schlicßcns der Türe. Dies kann die zum Schließen notwendige Kraft sein, aus der abgeleitet wird, ob Gegenstände oder Personen sich gegen die Schließbewegung stemmen, dies kann die Schlicßgeschwindigkeit sein, aus der man ebenfalls auf eingeklemmte Personen oder Gegenstände schließen kann, dies können Deformationen an der -Hauptschi ießkante, die zumeist aus einem relativ voluminösen Gummiprofil gebildet ist, sein, woraus geschlossen werden kann, dass die Tür im Zuge der Schließbcwegung auf ein Hindernis aufgelaufen ist u.dgl. mehr.The various safety devices for the doors of rail vehicles or lifts, but also the nacelles of cable cars, etc. monitor a wide variety of parameters, especially while the door is being closed. This can be the force necessary for closing, from which it can be deduced whether objects or people are pushing against the closing movement, this can be the closing speed from which one can also conclude trapped people or objects, this can cause deformations on the main cutting edge , which is usually formed from a relatively voluminous rubber profile, from which it can be concluded that the door ran into an obstacle during the closing movement and the like. more.
Die Reaktion auf das Feststellen eines Hindernisses oder eines eingeklemmten Gegenstandes oder eines Körperteiles ist, je nach dem Anwendungsfall, eine Andere. In manchen Fällen wird verlangt, dass die Schließbewcgung in eine Öffnungsbewegung geändert wird und die Tür erst nach Verstreichen einer vorbestimmten Zeit erneut mit der Schlicßbewc- gung beginnt, in anderen Fällen wird nur ein Stillstand der Tür über einen vorbestimmten Zeitraum gefordert, in wieder anderen Fällen folgt nur eine kurze und örtlich begrenzte Bewegungsumkehr, um es eingeklemmten Personen zu erlauben, sich zu befreien und verschiedenes anderes mehr. Es gibt auch Tiirstcuersystemc, bei denen die Reaktion auf das Erkennen eines eingeklemmten Gegenstandes beim ersten mal während einer Schlicß- bewegung anders ist als in der Folge, um Vandalen und Saboteure davon abzuhalten, das Schließen der Türe mutwillig zu blockieren.The reaction to the detection of an obstacle or a jammed object or part of the body is different, depending on the application. In some cases it is required that the closing movement is changed to an opening movement and the door only starts the closing movement again after a predetermined time has passed, in other cases the door is only required to stand still for a predetermined period, in other cases again follows only a short and localized reversal of movement to allow pinched people to free themselves and various other things. There are also door control systems in which the reaction to the detection of a jammed object is different for the first time during a closing movement than subsequently, in order to prevent vandals and saboteurs from deliberately blocking the closing of the door.
Bei all diesen Systemen muß notwendigerweise unterschieden werden, in welcher Position sich die Tür während des Schlicßcns befindet, wenn sie auf ein Hindernis auftrifft, da je nach der Position die Reaktionen unterschiedlich sein müssen. Insbesondere im letzten Schlicßcndbcreich, in dem die Hauptschlicßkanlc des Türflügels sich dem Türrahmen bzw. der Hauptschließkantc des zweiten Türflügels soweit genähert hat, dass kein Arm oder Bein oder Tasche od.dgl. voluminöser Gegenstand eingeklemmt sein kann, da ansonsten dies schon in einer weiter geöffneten Position des Türflügels festgestellt worden wäre, wird wegen der dynamischen Beanspruchung des Türflügels und den damit verbundenen Vibrationen und Stößen die Rcaktionsschwelle der Sensoren extrem erhöht oder es werden die Sichcrhcitsvorrichtungcn überhaupt abgeschaltet, um ein Schließen der Tür zu ermög- liehen, ohne dass es, nur durch die beim Einfahren in die Schlicßendlage auftretenden Erschütterungen, zum Öffnen der Tür kommt.In all of these systems, a distinction must necessarily be made in what position the door is in when it closes when it encounters an obstacle, since the reactions must differ depending on the position. Especially in the last closing area, in which the main closing channel of the door wing has approached the door frame or the main closing edge of the second door wing to such an extent that no arm or leg or pocket or the like. voluminous object may be trapped, otherwise if this had already been determined in a further open position of the door leaf, the reaction threshold of the sensors is extremely increased due to the dynamic loading of the door leaf and the vibrations and impacts associated therewith, or the sighting devices are switched off at all in order to allow the door to be closed without the door opening, only due to the vibrations that occur when moving into the final closing position.
Diese Systeme haben sich bisher im wesentlichen bewährt, doch wird im Zuge von Ratio- nalisierungs- und Einsparungsmaßnahmen mehr und mehr dazu übergegangen, nicht nur, wie schon bisher, Lifte, sondern auch Untergrundbahnen, Nahverkehrszüge u.dgl. unbe- mannt auf Reise zu schicken und die Fahrt nur von einer Zentralstelle aus zu überwachen, was mit deutlich weniger Personal als beim üblichen bemannten Betrieb möglich ist.These systems have largely proven their worth so far, but rationalization and savings measures are increasingly being used, not only, as before, lifts, but also subways, local trains and the like. send unmanned on the road and only monitor the trip from a central point, which is possible with significantly fewer staff than in normal manned operations.
Bei einem derartigen Betrieb besteht nun ganz anders als beim bemannten Betrieb die Gefahr, dass dünne Gegenstände am Ende der Schließendbewcgung eingeklemmt werden, ohne dass dies von den herkömmlichen Sicherheitssystemen entdeckt wird. Da keine Sichtkontrolle entlang des Zuges stattfindet, wird dieses bisher leichte und zuverlässige Erkennen des Einklemmens eines Spazierstockes, einer Krücke, einer Hundeleine u.dgl. bei dieser neuen Art des Betriebes unmöglich und führt so zu einem eklatanten Risiko.In such an operation, there is a very different way than in manned operation that thin objects are caught at the end of the closing movement without this being detected by the conventional security systems. Since there is no visual inspection along the train, this hitherto easy and reliable detection of the jamming of a walking stick, a crutch, a dog leash and the like. impossible with this new type of operation and thus leads to a blatant risk.
Es ist das Ziel der Erfindung, dieses Risiko zu vermeiden und eine Sicherung vorzuschlagen, die in der Lage ist, derartige Gegenstände bzw. deren Einklemmen zuverlässig zu erkennen.The aim of the invention is to avoid this risk and to propose a safeguard which is capable of reliably recognizing such objects or their jamming.
Erfindungsgemäß geschieht dies durch die Überwachung des Türspaltes nach erfolgtem Schließen, wobei die Überwachung durch pneumatische, optische, elektrische, kapazitive oder magnetische Sensoren bzw. Kombinationen erfolgen kann.According to the invention, this is done by monitoring the door gap after it has closed, the monitoring being able to be carried out by pneumatic, optical, electrical, capacitive or magnetic sensors or combinations.
Wie aus den obigen Darlegungen hervorgeht, ist es für die erfindungsgemäße Türspalt- Überwachung nicht notwendig, während des Schließcns der Tür aktiviert zu sein. Die crfindungsgcmäße Türspaltübcrwachung ändert somit das Verhalten einer vorgegebenen Schlicßautomatik nicht und kann daher auch leicht und problemlos nachträglich eingebaut werden.As can be seen from the above explanations, it is not necessary for the door gap monitoring according to the invention to be activated during the closing of the door. The door gap monitoring according to the invention thus does not change the behavior of a given automatic closing mechanism and can therefore also be easily and easily retrofitted.
Wesentlich ist, dass die crfindungsgcmäße Vorrichtung bzw. das erfindungsgemäße Verfahren zur Türspaltübcrwachung nach erfolgtem Schließen der Türen aktiviert bzw. durchgcluhrt wird und dass sodann festgestellt wird, ob die Form der Hauptschlicßkantc der Tür, üblicherweise aus elastischem Material gebildet, der Form entspricht, die mit dem ordnungsgemäßen Schlicßzustand der Tür korrcliert oder ob sie deformiert ist, was als Folge eines eingeklemmten Gegenstandes interpretiert wird und eine Meldung bzw. einen Alarm auslöst. Prinzipiell wird somit eine physikalische Größe gemessen, die der Form bzw. der Lage des Spaltes/Profilcs entspricht und mit der Größe der ordnungsgemäßen Form/Lage des Spal- tcs/Profilcs verglichen.It is essential that the device according to the invention and the method according to the invention for monitoring the door gap is activated or carried out after the doors have been closed and that it is then determined whether the shape of the main closing edge the door, usually made of elastic material, which corresponds to the shape which correlates with the correct closing condition of the door or whether it is deformed, which is interpreted as a result of a jammed object and triggers a message or an alarm. In principle, a physical quantity is measured which corresponds to the shape or position of the gap / profile and is compared with the size of the correct shape / position of the gap / profile.
Die Erfindung wird im folgenden an Hand der Zeichnung näher erläutert. Dabei zeigt die Fig. 1 und 2 eine erste Ausführungsform der Erfindung rein schematisch, die Fig. 3 bis 5 eine zweite Ausführungsform der Erfindung in Ansichten ähnlich denen der Fig. 1 und 2 und die Fig. 6 eine schematische Ansicht einer Prüfanordnung.The invention is explained below with reference to the drawing. 1 and 2 show a first embodiment of the invention purely schematically, FIGS. 3 to 5 show a second embodiment of the invention in views similar to those of FIGS. 1 and 2 and FIG. 6 shows a schematic view of a test arrangement.
In Fig. 1 ist eine erste Λusftihrungsform der Erfindung dargestellt. Eine in ihrer Gesamtheit mit 1 bezeichneten Tür weist zwei Türflügel 2, 3 auf, deren jedes im Bereich seiner Haupt- schlicßkante mit einem elastischen Profil 4 (Fig. 2) verschen ist. Das Profil 4 weist im wesentlichen die Stöcke der Türflügel 2, 3 auf und ist mit hinterschnittenen Bereichen 5 versehen, die eine Montage auf der Stirnseite des Türflügels erleichtern. Die eigentliche Stirnfläche 6 des Profiles 4 ist geschwungen ausgeführt, um auch dann, wenn die Türflügel nicht genau fluchtend aufeinander stoßen, zu einem dichtenden Zustand der Hauptschließ- kanten zu kommen. Darüber hinaus weist die Form des Profilcs 6 eine gewisse justierende Wirkung auf, durch die Toleranzen in der Führung der Türflügel ausgeglichen werden können.1 shows a first embodiment of the invention. A door designated in its entirety by 1 has two door leaves 2, 3, each of which is provided with an elastic profile 4 (FIG. 2) in the region of its main closing edge. The profile 4 essentially has the sticks of the door leaves 2, 3 and is provided with undercut areas 5 which facilitate assembly on the end face of the door leaf. The actual end face 6 of the profile 4 is designed to be curved so that the main closing edges are sealed even if the door wings do not meet in exact alignment. In addition, the shape of the Profilcs 6 has a certain adjusting effect, through which tolerances in the guidance of the door leaves can be compensated.
Das Profil 4 weist weiters zwei Hohlräume auf, einen etwa dreieckig ausgebildeten Hohlraum 7 und einen eher schlitzartig ausgebildeten Hohlraum 8. Die beiden Hohlräume erstrecken sich parallel zur Hauptschließkanle, zusammen fallerftl mit der Stirnfläche 6, und haben die folgenden Aufgaben: Der etwa dreieckige Hohlraum 7 verleiht dem Profil 4 Nachgiebigkeit, wenn zwischen den Stirnflächen 6 Gegenstände eingeklemmt werden. Auch der Hohlraum 8 deformiert sich, wenn Gegenstände zwischen den Stirnflächen 6 eingeklemmt werden, diese Defomiation wird durch Kontaktlcistcn 9', 9" überwacht, die schon bei geringer Defomiation der Form des Hohlraumes 8 miteinander in Kontakt treten und dabei einen Überwachungsstromkreis kurzschließen. Die Kabclführung und die Anordnung der Übcrwacluingscinhcit ist in Fig. 1 rein schematisch dargestellt, von jeder der in ihrer Gesamtheit mit 9 bezeichneten Kontaktleistcn führt ein Signalkabcl, das die Öffnungs- und Schlicßbcwcgung des Türflügels mitmachen kann, zu einer Signalgebercinheit 10, von der wiederum über Steuerleitungen 1 1 die entspre- chenden Signale: „Tür ordnungsgemäß geschlossen" oder „eingeklemmter Gegenstand in der Tür" an die Zugzcntralc weiterleitet, wo die entsprechend vorgesehenen Reaktionen ausgelöst werden.The profile 4 also has two cavities, an approximately triangular cavity 7 and a rather slot-like cavity 8. The two cavities extend parallel to the main closing channels, together with the end face 6, and have the following tasks: The approximately triangular cavity 7 gives the profile 4 flexibility if 6 objects are jammed between the end faces. The cavity 8 also deforms when objects are jammed between the end faces 6, this deformation is monitored by contact elements 9 ′, 9 ″, which come into contact with one another even with a slight deformation of the shape of the cavity 8 and thereby short-circuit a monitoring circuit. The cable routing and the arrangement of the switching elements is shown in a purely schematic manner in FIG. 1, from each of the contact strips designated in their entirety by 9 a signal cable which can participate in the opening and closing movement of the door leaf leads to a signaling unit 10, from which in turn Control lines 1 1 forwards the corresponding signals: "Door properly closed" or "Pinched object in the door" to the train station, where the appropriate reactions are triggered.
Es kann bei der Ausführungsform gemäß der Fig. 1 und 2 selbstverständlich statt der Kontaktleistcn 9 ein magnetisches oder kapazitives System verwendet werden, dies ist für den Fachmann auf dem Gebiet der Sensortechnik in Kenntnis der Erfindung leicht auszulegen und an die jeweiligen Gegebenheiten anzupassen.1 and 2, a magnetic or capacitive system can of course be used instead of the contact strips 9, this is easy for the person skilled in the field of sensor technology to understand and to adapt to the particular circumstances in the knowledge of the invention.
Die Fig. 3 bis 5 stellen eine Variante der Erfindung dar, die auf optischer Basis beruht. Wie aus dem Zusammenhalt der Fig. 4 und 5 ersichtlich ist, weisen die beiden Türflügel 2 und 3 bei dieser Variante unterschiedlich ausgebildete Leisten 12, 14 auf. Derartige Profile werden im Stand der Technik als spezielle Fingerschutzprofile verwendet, die Abdichtung erfolgt über Lippen 13, die auf jedem der beiden Profile vorgesehen sind, eine zusätzlich dünnwandig ausgebildete zylindrische Röhre 18 wird im geschlossenen Zustand (Fig. 5) leicht deformiert und trägt ebenfalls zur Abdichtung und zur akustischen Isolierung bei.3 to 5 represent a variant of the invention, which is based on an optical basis. As can be seen from the cohesion of FIGS. 4 and 5, the two door leaves 2 and 3 have strips 12, 14 of different design in this variant. Such profiles are used in the prior art as special finger protection profiles, the sealing takes place via lips 13, which are provided on each of the two profiles, an additional thin-walled cylindrical tube 18 is slightly deformed in the closed state (FIG. 5) and also contributes to Sealing and acoustic insulation.
Es befindet sich nun am Fußende der Leiste 12 im Bereich des Hohlraums der Röhre 18 ein optischer oder Infrarotsender 19' (Fig. 3) und am anderen Ende der Röhre 18 ein entsprechender Empfänger 19". Wenn nun ein auch nur sehr dünner Gegenstand zwischen den Profilen 12, 14 eingeklemmt ist, so wird die Röhre 18 zusammengequetscht, der Lichtstrahl unterbrochen und der Empfänger 19" schlägt über die Überwachungselektronik 10 und die Leitung 1 1 Alarm. Die Fig. 6 zeigt die Funktionsweise der erfindungsgemäßen 'Vorrichtungen, wenn beispielsweise die Leine eines Hundes eingeklemmt ist, an Hand einer Versuchsanordnung, mit der die Empfindlichkeit der Vorrichtung getestet werden kann: Eine Hundeleine od.dgl. 16 wird in Richtung normal zur Ebene der Türflügel mit einem Ende an einer passenden Befestigung, einem Anlcnkpunkt 19 fixiert, wobei im gestrafftem Zustand die Leine 16 vom Anlcnkpunkt 19 bis zum Türspalt zwischen den Profilen 12, 14 (oder auch den Profilen 4) normal zur Türflügclcbcnc verläuft. Sodann wird mit vorgegebenem, konstant gehaltenen Zug die Leine in der Waagrechten verschwenkt, wie durch die strichlicrtc Führung angedeutet, und es wird der Winkel festgestellt, bei dem die Anlage Alarm auslöst. Selbstverständlich kann auch umgekehrt dazu bei vorgegebenem Winkel der Zug ermittelt werden, der notwendig ist, um den Alarm auszulösen.There is now an optical or infrared transmitter 19 '(FIG. 3) at the foot end of the strip 12 in the region of the hollow space of the tube 18 and a corresponding receiver 19 "at the other end of the tube 18 Profiles 12, 14 is clamped, the tube 18 is squeezed together, the light beam is interrupted and the receiver 19 "sounds via the monitoring electronics 10 and the line 1 1 alarm. 6 shows the mode of operation of the devices according to the invention, for example when a dog's leash is pinched, using an experimental arrangement with which the sensitivity of the device can be tested: a dog leash or the like. 16 is fixed in the direction normal to the level of the door leaf with one end on a suitable fastening, an attachment point 19, the line 16 being normal from the attachment point 19 to the door gap between the profiles 12, 14 (or also the profiles 4) in the tightened state Door leaf clcbcnc runs. Then the line is pivoted horizontally with a predetermined, constant pull, as by the strichlicrtc guidance indicated, and it is determined the angle at which the system triggers an alarm. Conversely, of course, the train required to trigger the alarm can also be determined at a given angle.
Auf diese Weise kann man auch eingeklemmte flexible Gegenstände mit extrem geringem Querschnitt als eingeklemmt erfassen, erfindungsgemäße Vorrichtungen sind in der Lage, steife Prüfkörper ab 6 mm Durchmesser zu erkennen und flexible leinenartige bzw. schnurartige Gebilde mit einer Dicke von 1 mm bei einer Auszugsrichtung von nur 15° zur Normalen auf die Türebene und einer Zugbelastung von 80 N im schnurartigen Gebilde. Im Vergleich dazu können die herkömmlichen, während des Schlicßens verwendeten Überwachungsvorrichtungen nur Gegenstände mit einer Abmessung von zumindest 20 x 80 mm oder 30 x 60 mm erkennen, sind also, abgesehen von den Problemen der Selbstaktivierung durch die Erschütterungen im Schlicßendbcreich, auch von Ihrer geometrischen Empfindlichkeit her für die erfindungsgemäßen Zwecke nicht geeignet.In this way, it is also possible to detect pinched flexible objects with an extremely small cross-section as pinched, devices according to the invention are able to recognize rigid test specimens with a diameter of 6 mm and flexible line-like or cord-like structures with a thickness of 1 mm with a pull-out direction of only 15 ° to the normal on the door level and a tensile load of 80 N in the cord-like structure. In comparison, the conventional monitoring devices used during the closing can only detect objects with a dimension of at least 20 x 80 mm or 30 x 60 mm, so apart from the problems of self-activation due to the shocks in the closing area, they are also of their geometric sensitivity not suitable for the purposes of the invention.
Die Erfindung kann verschiedentlich abgewandelt werden: So kann das Profil 4 mit nur einem Hohlraum, dem Hohlraum 8 und ohne Hohlraum 7, ausgebildet sein, bei der Version gemäß der Fig. 3 - 5 kann statt der Überwachung mit infrarotem Licht eine elektrische Überwachung mit Kontaktstreifen, die auf der Innenseite des Frontabschnittes der zylindrische Röhre 18 angeordnet, beispielsweise angeklebt, sind, erfolgen. Dabei fallen selbstverständlich die Vorrichtungen 19' und 19" weg. Es ist nicht notwendig, dass ein elastisches Profil 4 an der Hauptschließkante vorgesehen ist, wenn es auch die Sensoren vor Beschädigungen schützt. Insbesondere bei Lifttüren kann ohne derartiges Profil das Auslangen gefunden werden. Auch wenn ein solches Profil vorhanden ist, muß es nicht, wie dargestellt, aus einem elastomeren Material bestehen, sondern kann ein elastisch gelagertes, in sich aber „starres" Profil sein. In diesem Fall wird bevorzugt seine Lage, speziell die elastische Lagerung, mittcl,s zumindest eines Sensors überwacht.The invention can be modified in various ways: for example, the profile 4 can be designed with only one cavity, the cavity 8 and without a cavity 7; in the version according to FIGS. 3-5, electrical monitoring with contact strips can be used instead of monitoring with infrared light which are arranged on the inside of the front portion of the cylindrical tube 18, for example glued, take place. Of course, the devices 19 'and 19 "are omitted. It is not necessary that an elastic profile 4 is provided on the main closing edge if it also protects the sensors from damage. In particular with elevator doors, it is possible to find out without such a profile. Also if such a profile is present, it does not have to consist of an elastomeric material, as shown, but can be an elastically supported but inherently "rigid" profile. In this case, its position, especially the elastic mounting, is preferably monitored using at least one sensor.
Insbesondere bei Lifttüren, aber prinzipiell bei allen einflügeligen Türen kann ein Profil, dessen Form überwacht wird, statt am Türflügel am Türrahmen befestigt sein, wodurch alle Probleme der beweglichen Signallcitungcn und mechanisch beanspruchter Sensoren entfallen.In particular with lift doors, but in principle with all single-leaf doors, a profile whose shape is monitored can be attached to the door frame instead of the door leaf, which eliminates all problems of the movable signal cables and mechanically stressed sensors.
Es ist möglich und in vielen Fällen vorteilhaft, die erfindungsgemäß vorgesehenen Sensoren nicht im Moment des Endes der Schlicßbcwcgung der Türflügel (oder knapp vorher) zu aktivieren, sondern mit einer gewissen Verzögerung, um zu verhindern, dass durch eventuelle Erschütterungen und Vibrationen der Türflügel die Sensoren fälschlich einen „Einklemmzustand" feststellen und Alarm geben. Die Verzögerung der Aktivierung kann je nach Türtype Intervalle im Bereich von unter einer Sekunde bis zu mehreren Sekunden umfassen.It is possible and in many cases advantageous that the sensors provided according to the invention are not at the moment the closing of the door leaf ends (or just before) to activate, but with a certain delay in order to prevent the sensors from incorrectly detecting a "pinched state" and giving an alarm due to possible shocks and vibrations of the door leaves. The delay in activation can, depending on the door type, be in intervals of less than one second up to span several seconds.
Ebenso ist es vorteilhaft, die Sensoren einige Zeit nach dem Feststellen des ordnungsgemäßen Schließzustandcs, oder beim Verlassen des Bahnhofes, einzeln oder durch die Zugsteuerung zentral, zu deaktivieren, einerseits um falschen Alarm während der Fahrt zu vermeiden und andererseits um die Sensoren nicht zu lange aktiviert zu halten. Es ist selbstverständlich möglich, die Sensoren an sich länger oder auch ständig aktiviert zu halten und nur die Auswertung der von ihnen stammenden Signale zu unterlassen bzw. zu ignorieren, doch dies stellt wegen der Belastung der Sensoren und der Komplexität der Auswertung eine verschlechterte Ausführungsform der Erfindung dar und fällt jedenfalls unter „Aktivierung der Vorrichtung" als Ganzes. It is also advantageous to deactivate the sensors some time after determining the correct closed state, or when leaving the station, individually or by the train control centrally, on the one hand to avoid false alarms while driving and on the other hand to not activate the sensors for too long to keep. It is of course possible to keep the sensors themselves activated for longer or even continuously and only to refrain from or to ignore the evaluation of the signals originating from them, but this constitutes a worsened embodiment of the invention because of the load on the sensors and the complexity of the evaluation represents and at any rate falls under "activation of the device" as a whole.

Claims

Palcntansprüche: Palcntansprüche:
1. Vorrichtung zur Überwachung des Türspalts von Türen von Schienenfahrzeugen, Liften, od.dergl., mit zumindest einem Türflügel (2, 3) der gegebenenfalls an seiner Hauptschließ- kante mit einem elastisch deformierbaren bzw. elastisch gelagerten Profil (4) versehen ist, dadurch gekennzeichnet, dass die Vorrichtung (10, 1 1) aktiviert wird, wenn sich jeder Türflügel (2, 3) der Türe in seiner Schließendlagc befindet, und dass die Überwachung durch elektrische, pneumatische, optische, induktive, kapazitive oder magnetische Sensoren (9, 19) bzw. Kombinationen derartiger Sensoren, erfolgt. 1. Device for monitoring the door gap of the doors of rail vehicles, lifts or the like, with at least one door leaf (2, 3) which is optionally provided with an elastically deformable or elastically mounted profile (4) on its main closing edge, characterized in that the device (10, 1 1) is activated when each door leaf (2, 3) of the door is in its closing end position, and in that the monitoring by electrical, pneumatic, optical, inductive, capacitive or magnetic sensors (9 , 19) or combinations of such sensors.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Vorrichtung die aktuelle Form bzw. Lage des Profiles (4) mit seiner Form bzw. Lage im ordnungsgemäß geschlossenen Zustand des Türflügels (2, 3) vergleicht.2. Device according to claim 1, characterized in that the device compares the current shape or position of the profile (4) with its shape or position in the properly closed state of the door leaf (2, 3).
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Vorrichtung (10, 1 1) ein Verzögerungselcment aufweist, das die Aktivierung nach einem vorbestimmten Zeitintcrvall, beginnend mit dem Erreichen der Schließendlage jedes der Türflügel (2, 3), bewirkt.3. Device according to claim 1 or 2, characterized in that the device (10, 1 1) has a delay element which causes the activation after a predetermined time interval, starting with the reaching of the closing end position of each of the door leaves (2, 3).
4. Vorrichtung nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass die Vorrichtung (10, 1 1) ein Deaktivierungselcmcnt aufweist, das sie nach einem vorbestimmten Zeitintcrvall, beginnend mit dem Feststellen des ordnungsgemäßen Schlicßcns der Tür, deaktiviert.4. Device according to one of the preceding claims, characterized in that the device (10, 1 1) has a deactivating element which deactivates it after a predetermined time interval, starting with the determination of the correct closing of the door.
5. Verfahren zur Überwachung des Türspalts von Türen von Schienenfahrzeugen, Liften, od.dergl., mit zumindest einem Türflügel (2, 3) der gegebenenfalls an seiner Hauptschlicß- kante mit einem elastisch deformierbaren bzw. elastisch gelagerten Profil (4) versehen ist, dadurch gekennzeichnet, dass die Überwachung durch elektrische, pneumatische, optische, induktive, kapazitive oder magnetische Sensoren (9, 19) bzw: Kombinationen derartiger Sensoren erfolgt.5. A method for monitoring the door gap of the doors of rail vehicles, lifts or the like, with at least one door leaf (2, 3) which is optionally provided on its main closing edge with an elastically deformable or elastically mounted profile (4), characterized in that the monitoring is carried out by electrical, pneumatic, optical, inductive, capacitive or magnetic sensors (9, 19) or combinations of such sensors.
6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass einer Überwachungsvorrichtung die der aktuellen Form bzw. Lage des Profilcs (4) entsprechende Meßgröße des Sensors übermittelt wird, dass in der Überwachungsvorrichtung diese Meßgröße mit einer Referenzgröße verglichen wird, die der Meßgröße der Form bzw. Lage des Profilcs (4) im ordnungsgemäß geschlossenen Zustand des Türflügels (2, 3) entspricht. 6. The method according to claim 5, characterized in that a monitoring device that the current shape or position of the profile (4) corresponding to the measured variable of the sensor is transmitted, that in the monitoring device this measured variable is compared with a reference variable that the measured variable of the shape or Corresponds to the position of the profile (4) when the door leaf (2, 3) is properly closed.
EP03752769A 2002-05-22 2003-05-20 Door gap monitoring Revoked EP1509665B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0078002A AT414005B (en) 2002-05-22 2002-05-22 DOOR GAP MONITORING
AT7802002 2002-05-22
PCT/EP2003/005269 WO2003097977A1 (en) 2002-05-22 2003-05-20 Door gap monitoring

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EP1509665A1 true EP1509665A1 (en) 2005-03-02
EP1509665B1 EP1509665B1 (en) 2007-01-03

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AT (2) AT414005B (en)
AU (1) AU2003242549A1 (en)
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DE (1) DE50306192D1 (en)
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CN1662722A (en) 2005-08-31
PL371672A1 (en) 2005-06-27
AT414005B (en) 2006-08-15
US7603813B2 (en) 2009-10-20
ATE350561T1 (en) 2007-01-15
WO2003097977A1 (en) 2003-11-27
DE50306192D1 (en) 2007-02-15
CA2486921A1 (en) 2003-11-27
EP1509665B1 (en) 2007-01-03
US20060070820A1 (en) 2006-04-06
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ES2280783T3 (en) 2007-09-16
AU2003242549A1 (en) 2003-12-02
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CA2486921C (en) 2011-07-26
CN1325740C (en) 2007-07-11

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