EP3064684A1 - Locking assembly and door actuator with locking assembly - Google Patents

Locking assembly and door actuator with locking assembly Download PDF

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Publication number
EP3064684A1
EP3064684A1 EP15203025.0A EP15203025A EP3064684A1 EP 3064684 A1 EP3064684 A1 EP 3064684A1 EP 15203025 A EP15203025 A EP 15203025A EP 3064684 A1 EP3064684 A1 EP 3064684A1
Authority
EP
European Patent Office
Prior art keywords
door
locking arrangement
temperature
intumescent
locking
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
EP15203025.0A
Other languages
German (de)
French (fr)
Other versions
EP3064684B1 (en
Inventor
Alexander Hellwig
Michael Thiele
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.)
Dormakaba Deutschland GmbH
Original Assignee
Dorma Deutschland 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
Application filed by Dorma Deutschland GmbH filed Critical Dorma Deutschland GmbH
Publication of EP3064684A1 publication Critical patent/EP3064684A1/en
Application granted granted Critical
Publication of EP3064684B1 publication Critical patent/EP3064684B1/en
Active legal-status Critical Current
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
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
    • E05F1/006—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means by emergency conditions, e.g. fire
    • 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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E05F3/221—Mechanical power-locks, e.g. for holding the wing open or for free-moving zones
    • E05F3/222—Mechanical power-locks, e.g. for holding the wing open or for free-moving zones electrically operated
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/065—Physical fire-barriers having as the main closure device materials, whose characteristics undergo an irreversible change under high temperatures, e.g. intumescent
    • 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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E05F2003/228—Arrangements where the end of the closer arm is sliding in a track
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/218—Holders
    • 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
    • E05Y2400/61—Power supply
    • E05Y2400/612—Batteries
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/34—Form stability
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Physical or chemical protection
    • E05Y2800/414—Physical or chemical protection against high or low temperatures
    • E05Y2800/416—Physical or chemical protection against high or low temperatures against fire
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/67—Materials; Strength alteration thereof

Definitions

  • the invention relates to a locking arrangement for a door. Furthermore, the invention relates to a door operator for a door. In particular, the invention relates to a door operator, which is equipped with a locking arrangement according to the invention. Locking arrangements are usually used to hold a door system in a predefined position in order to release the door system at a predetermined release time. If the door system is released, it can be moved by an actuator of the door operator.
  • Door operators with locking arrangements are known from the prior art. Thus, fire doors are often provided with locking arrangements to keep such doors open in normal use. Should signs of a fire be detected, the door is released by the locking assembly and an actuator, in particular a door closer, of the door operator closes the door. Alternatively, the door operator may also open the door from a closed state to provide an escape route. In the sense of the invention, the term door also includes door leaves as well as gates and gate leaves.
  • the invention is therefore based on the object, locking arrangement for a door operator, especially with a heat-sensitive part "provide that allows for simple and cost-effective production and installation a low-maintenance and safe operation, especially at high temperatures.
  • the object is achieved by the features of claim 1.
  • a locking arrangement comprising an intumescent material.
  • the locking arrangement is particularly suitable for use in a door operator for a door.
  • the intumescent material has a volume which is greater than below the intumescent temperature.
  • An increase in volume of the intumescent material is irreversible in particular. If the door has a fire protection function, the door heats up due to the fire. By heating the door, the intumescent material is heated so that it experiences an increase in volume when the intumescent temperature is exceeded. Due to the increase in volume and a decrease in density of the intumescent material, the insulating effect increases within the locking arrangement.
  • the locking arrangement can be connected to a door via at least one fastening element. In this case, a back of the locking arrangement to the door.
  • the locking arrangement preferably has an element to be protected from a temperature above a limiting temperature. This can be z.
  • an electrochemical energy storage electronics and / or sensors.
  • the intumescent material is arranged behind the element to be protected.
  • the intumescent material is in the assembled state of the locking arrangement between the element to be protected and the door.
  • the element to be protected is pushed away from the door with an increase in volume of the intumenzenten material.
  • the intumescent material forms an insulating layer between the element and the door. As a result, heating of the element is effectively slowed down.
  • the predetermined time is longer than the time required to destroy the fire door by the fire.
  • the intumescent material at least partially forms the back of the locking arrangement and / or a material with a thermal conductivity at 25 ° C of at least 5 W / mK, preferably at least 40 W / mK, more preferably at least 100 W / mK with the back is connected.
  • An upper limit is given by the maximum thermal conductivity of known substances. In particular, an upper limit may be given at 400 W / mK (25 ° C), preferably at 1000 W / mK (25 ° C). This ensures that the intumescent material heats up and expands in a fire in good time and before the protective element.
  • the intumescent material When the intumescent temperature is exceeded, the intumescent material preferably has a volume which corresponds at least to 5 times the volume of the intumescent material below the intumescent temperature. In particular, the volume of the intumescent material below the intumescent temperature corresponds to 8.5 times the volume above the intumescent temperature. Particularly preferably, the volume of the intumescent material below the intumescent temperature corresponds to 12 times the volume above the intumescent temperature.
  • the intumescent temperature is preferably at least 100 ° C.
  • the intumescence temperature is the temperature at which the volume increase begins. The increase in volume can be temperature-dependent.
  • a maximum operating temperature of the electrochemical energy store can be predetermined.
  • the maximum operating temperature of the electrochemical energy storage indicates up to which temperature the electrochemical energy storage can be used functionally.
  • the maximum operating temperature of the electrochemical energy storage device is below the limit temperature of the electrochemical energy storage device.
  • the maximum operating temperature can be z. B. 80 ° C.
  • both the maximum operating temperature and the limit temperature for. B. 100 ° C, specified by the manufacturer of the electrochemical energy storage.
  • the intumescent temperature is preferably above a normal and / or achievable without fire room temperature. Particularly preferably, the intumescent temperature is above a maximum operating temperature of the electrochemical energy store. For example, the intumescent temperature may be above 70 ° C, preferably above 80 ° C, more preferably above 95 ° C.
  • An upper limit for the intumescent temperature may be given by the limit temperature.
  • an upper limit to the intumescent temperature of the limit temperature of the protected Elements are equal or above the limit temperature.
  • the latter is conceivable by temperature differences within the locking arrangement according to the invention. So it may be that intumescent material temporarily has a higher temperature than the element to be protected. As a result, the intumescent material can experience an increase in volume before the element to be protected has reached the limit temperature.
  • an upper limit for the Intumeszenztemperatur in a range of up to 30 ° C, preferably up to 20 ° C, more preferably up to 10 ° C above the limit temperature.
  • an upper limit for the intumescent temperature may be below the limit temperature.
  • the intumescent temperature in a range of up to 30 ° C, preferably up to 20 ° C, more preferably up to 10 ° C below the threshold temperature.
  • the intumescent temperature is in particular a temperature which is in the range of the limit temperature, for. B. the limit temperature ⁇ 30 ° C, preferably the limit temperature ⁇ 20 ° C, particularly preferably the limit temperature corresponds to ⁇ 10 ° C.
  • the locking arrangement comprises a mounting element.
  • the mounting element can at least partially cover a rear side of a housing of the locking arrangement. It can be provided that a first surface of the mounting member is designed to be mounted in the Condition of the door to be facing.
  • the intumescent material may be attached to the first surface.
  • the locking arrangement may comprise a slide rail and a locking device.
  • a sliding element can be slidably arranged in the slide rail, with the sliding element optionally being able to be fastened or released with the locking device.
  • the sliding element is also preferably connectable to a transmission device, wherein the transmission device converts a movement of a movable part of the door into a movement of the sliding element within the slide rail.
  • the movable part of the door is advantageously detectable by the locking device detects the slider.
  • the electrochemical energy store is in particular a battery or a rechargeable battery and preferably serves to supply the arresting device with electrical energy.
  • the element to be protected in particular the electrochemical energy store, is preferably attached to the slide rail and / or in front of the slide rail.
  • the element to be protected in particular the electrochemical energy storage, protected from high temperature exposure.
  • a first air gap between the mounting member and the slide rail is present, so that an insulation between the mounting member and slide rail is present.
  • the element to be protected, in particular the electrochemical energy storage is preferably attached to and / or in front of the slide rail, there is also insulation between the element to be protected and the mounting element.
  • the intumescent effect of the intumescent Material be formed a second air gap between the mounting member and the door, so that a further insulation is achieved.
  • the element to be protected advantageously does not reach a maximum operating temperature even in case of fire.
  • the element to be protected is arranged such that it has the greatest possible distance from the mounting element.
  • the slide rail and / or the locking device between the element to be protected, in particular the electrochemical energy storage, and the mounting member are arranged.
  • the element to be protected in particular the electrochemical energy store, is arranged centrally between two of the fastening elements. Since the fasteners represent a thermal bridge of the locking arrangement to the door, described the greatest possible distance between the fasteners and the element to be protected, in particular the electrochemical energy storage that heat can be transmitted over a short distance. By extending the path through which the heat is transferred to reach the element to be protected, the heat is advantageously distributed over the entire detent arrangement.
  • the locking arrangement has at least one predetermined breaking element. It is provided that the fastening elements are connected to the mounting element via the at least one predetermined breaking element. Particularly preferably, each fastening element is connected via its own predetermined breaking element with the mounting element. It is provided in particular that an air gap between the mounting element and the other components of the.
  • the predetermined breaking element is designed such that it is plastically deformable when a melting temperature is exceeded by a change in volume of the intumescent material.
  • the predetermined breaking element advantageously compensates for the movement of the mounting element, which is due to the expansion of the intumescent material.
  • the melting temperature corresponds in particular at most to the intumescent temperature.
  • the melting temperature is preferably above a normal and / or achievable without fire room temperature. Particularly preferably, the melting temperature is above a maximum operating temperature of the electrochemical energy store. Particularly preferably, it is additionally provided that a threaded element is injected into the predetermined breaking element, wherein the slide rail and / or the fixing device and / or the element to be protected, in particular the electrochemical energy store, can be connected to the threaded element.
  • the predetermined breaking element is arranged on a second surface of the mounting element, which lies opposite the first surface. It is advantageously provided that the fasteners plastically deform the predetermined breaking element by a change in volume of the intumescent material. In particular, it is provided that the fastening elements penetrate into the predetermined breaking element until the fastening elements rest against the second surface of the mounting element. Due to the abutment on the second surface, a displacement of the mounting element is limited by the change in volume of the intumescent material, so that a drop of the mounting element and thus the locking arrangement is prevented.
  • the locking assembly also includes the housing, wherein the housing is provided with a plurality of slots.
  • the slots are in particular arranged such that heat which propagates along the housing has to travel as far as possible to reach the element to be protected, in particular the electrochemical energy store.
  • the slots are arranged in particular in the form of a labyrinth.
  • the invention relates to a door operator for a door.
  • the door operator comprises the locking arrangement described above.
  • the door operator comprises an actuator for the door, which is in particular a door closing device.
  • the actuating device is operatively connected to the locking arrangement, in particular to the sliding element of the locking arrangement, so that an actuation of the door results in a movement of the sliding element within the locking arrangement.
  • the door operator is preferably designed such that the mounting element of the locking arrangement can be attached to a frame of the door and the actuating device on a door leaf of the door.
  • the door operator is preferably designed such that the mounting element can be attached to the door leaf of the door and the actuating device can be attached to the frame of the door.
  • the Fig. 1 schematically shows a door operator 2 according to an embodiment of the invention.
  • the door operator 2 is arranged on a door, the door comprising a door leaf 11 and a frame 12.
  • the door operator 2 has a locking arrangement 1 according to the invention and an actuating device 16, wherein in the illustrated embodiment, the locking arrangement 1 on the frame 12 and the actuator 16 is fixed to the door leaf.
  • the door 11, 12 is in particular a fire door. If a fire occurs, a temperature of over 350 ° C, in particular above 380 ° C, arises on the side of the fire door opposite the fire.
  • the door operator 2 is arranged on a side opposite the fire side of the door 11, 12.
  • an electrochemical energy store 10 see. Fig. 2
  • the door actuator 2 In order to prevent damage to the door operator 2, it must be protected from high temperatures, in particular an electrochemical energy store 10 (see. Fig. 2 ) of the door actuator 2 must not be exposed to such high temperatures. Otherwise, there is a risk that the electrochemical energy storage 10th explodes and causes a spread of the fire. Thus, the function of the fire door would no longer be given.
  • FIG. 2 is a schematic view of the locking assembly 1 is shown.
  • the locking assembly 1 includes a slide rail 8 in which a sliding member, not shown, is slidably disposed.
  • the sliding element is in particular connected to the door operator 16, so that a movement of the door leaf 11 is converted into a movement of the sliding element.
  • the slider is detectable or releasable, so that the door panel 11 is lockable or releasable.
  • the door leaf 11 is advantageously detectable in an open position, the door leaf 11 is released in particular in the event of a fire.
  • the door operator 16 transfers the door leaf 11 after release in the closed position.
  • a fire door by means of the locking assembly 1 can be realized.
  • the locking device 9 is powered by the electrochemical energy storage 10 with electrical energy.
  • the electrochemical energy store 10 is preferably an accumulator or a battery, so that it must be protected from high temperatures, such as may occur in particular in case of fire.
  • the electrochemical energy store 10 is mounted in front of the slide rail 8. Thus, the electrochemical energy store 10 a maximum distance from the frame 12. Since the frame 12 is closest to the source of fire, it can be assumed that the frame 12 next to the door leaf 11 represent the hottest places. By the greatest possible distance of the electrochemical energy storage device 10 to the frame already a transfer of heat is difficult.
  • the slide rail 8 is connected via a mounting member 3 with the frame 12.
  • the connection of mounting element 3 and frame 12 is realized via a plurality of fastening elements 5.
  • the fastening elements 5 are preferably screws or bolts.
  • an intumescent material 4 is attached on a first surface 6 of the mounting member 3.
  • the intumescent material 4 is between the mounting member 3 and the frame 12.
  • the function of the intumescent material 4 is in the description of the FIG. 3 explained in more detail.
  • the first air gap 100 serves as insulation of the slide rail 8 and thus also of the electrochemical energy storage device 10 with respect to the frame 12.
  • predetermined breaking elements 13 are provided which serve as spacers.
  • the predetermined breaking elements 13 are therefore arranged on a second surface of the mounting element 3 opposite the first surface 6.
  • the fastening elements 5 extend through a bore of the predetermined breaking elements 13, wherein heads of the fastening elements 5 rest against the predetermined breaking elements 13. This means that the mounting element 3 is connected by the fastening elements 5 via the predetermined breaking elements 13 with the frame.
  • the slide rail 8 is connected via the predetermined breaking elements 13 with the mounting element 3. This is realized, for example, in that the slide rail 8 is screwed to the predetermined breaking elements 13.
  • the predetermined breaking elements 13 also form a thermal bridge 400, via the heat from the mounting element 3 and thus from the frame 12 to the slide rail 8 and thus to the electrochemical Energy storage 10 is transferable.
  • the transferable heat is limited, as in FIG. 3 is shown.
  • FIG. 3 shows the case of a large heat 500 on the Feststellan Aunt 1 from FIG. 2 , Heat 500 corresponds to a heat energy generated by temperatures of the frame 12 from 100 ° C to 380 ° C.
  • An intumescent temperature of the intumescent material 4 is at least 100 ° C.
  • the action of heat 500 exceeds the intumescent temperature, whereby the intumescent material 4 increases its volume.
  • the intumescent material 4 is foamed, its volume preferably increasing by a factor of 12. An increase in the volume of the intumescent material 4 is possible because the predetermined breaking elements 13 yield to the expansion of the intumescent material 4. This will be described below.
  • the heat resulting from the action of heat 500 is also conducted through the thermal bridge 400 to the slide rail 8.
  • the predetermined breaking elements 13 are also heated.
  • the predetermined breaking elements 13 are designed such that they lose their strength when the intumescent temperature is exceeded and become plastically deformable. Thus, a deformation of the predetermined breaking elements is achieved by the expansion of the intumescent material 4, since the heads of the fastening elements 5 penetrate into the predetermined breaking element.
  • the mounting member 3 lifts from the frame 12, so that a second air gap 200 between the mounting member 3 and the frame 12 sets.
  • the second air gap 200 thus forms a further isolation.
  • the lifting is limited by a concern of the heads of the fasteners 5 on the second surface of the mounting member 3, ie, the heads of the fasteners 5 have completely penetrated the predetermined breaking point 13.
  • the effectiveness of the thermal bridge 400 is significantly reduced. Falling down of the locking arrangement 1 is prevented by the fact that the fastening elements 5 rest directly on the mounting element 3.
  • the electrochemical energy storage 10 is effectively protected from the heat 500 and always remains within its allowable operating temperatures. In particular, a temperature of the electrochemical energy store 10 remains below 100 ° C.
  • FIG. 4 shows further advantageous measures that cause protection of the electrochemical energy storage device 10.
  • FIG. 4 shown schematically slots 14, which are provided in particular in a housing of the locking assembly 1.
  • the slots 14 have a labyrinth arrangement, so that a heat flow 15 from the frame 12 to the electrochemical energy storage device 10 has to travel a greater distance over the housing than if the slots 14 were not present in the housing.
  • the electrochemical energy store 10 is protected against heating in the event of a fire such that it always remains within the permissible operating temperatures.

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Special Wing (AREA)

Abstract

Die Erfindung betrifft eine Feststellanordnung (1), insbesondere für einen Türbetätiger (2) für eine Tür (11, 12), umfassend zumindest ein Montageelement (3), und ein intumeszentes Material (4), das bei Überschreiten einer Intumeszenztemperatur ein Volumen aufweist, das größer ist als unterhalb der Intumeszenztemperatur.The invention relates to a locking arrangement (1), in particular for a door operator (2) for a door (11, 12), comprising at least one mounting element (3), and an intumescent material (4) which has a volume when an intumescent temperature is exceeded, which is greater than below the Intumeszenztemperatur.

Description

Die Erfindung betrifft eine Feststellanordnung für eine Tür. Weiterhin betrifft die Erfindung einen Türbetätiger für eine Tür. Insbesondere betrifft die Erfindung einen Türbetätiger, der mit einer erfindungsgemäßen Feststellanordnung ausgestattet ist. Feststellanordnungen werden üblicherweise dazu verwendet eine Türanlage in einer vordefinierten Stellung zu halten, um die Türanlage zu einem vorbestimmten Entriegelungszeitpunkt freizugeben. Ist die Türanlage freigegeben, so kann diese von einer Betätigungsvorrichtung des Türbetätigers bewegt werden.The invention relates to a locking arrangement for a door. Furthermore, the invention relates to a door operator for a door. In particular, the invention relates to a door operator, which is equipped with a locking arrangement according to the invention. Locking arrangements are usually used to hold a door system in a predefined position in order to release the door system at a predetermined release time. If the door system is released, it can be moved by an actuator of the door operator.

Aus dem Stand der Technik sind Türbetätiger mit Feststellanordnungen bekannt. So werden oftmals Brandschutztüren mit Feststellanordnungen versehen, um derartige Türen im normalen Gebrauch offen zu halten. Sollten Anzeichen für einen Brand detektiert werden, so wird die Tür von der Feststellanordnung freigegeben und eine Betätigungsvorrichtung, insbesondere ein Türschließer, des Türbetätigers schließt die Tür. Alternativ kann der Türbetätiger die Tür auch aus einem geschlossenen Zustand öffnen, um einen Fluchtweg bereitzustellen. Unter dem Ausdruck Tür sind im Sinne der Erfindung ebenfalls Türflügel sowie Tore und Torflügel zu subsumieren.Door operators with locking arrangements are known from the prior art. Thus, fire doors are often provided with locking arrangements to keep such doors open in normal use. Should signs of a fire be detected, the door is released by the locking assembly and an actuator, in particular a door closer, of the door operator closes the door. Alternatively, the door operator may also open the door from a closed state to provide an escape route. In the sense of the invention, the term door also includes door leaves as well as gates and gate leaves.

Es sind außerdem Anwendungsfälle bekannt, bei denen elektrochemische Energiespeicher in den Türbetätigern, insbesondere in den Feststellanordnungen, vorhanden sind. So kann der Türbetätiger insbesondere durch einen Akkumulator oder eine Batterie betrieben werden. Sind derartige Türbetätiger bei Brandschutztüren vorgesehen, so besteht die Gefahr, dass der Akkumulator oder die Batterie durch die bei einem Brand entstehende Hitze seine zulässigen Betriebsgrenzen verlässt und aufgrund zu hoher Temperatur explodiert. Dies kann schlimmstenfalls den Brand weiter verstärken. Ebenfalls ist es denkbar, dass andere hitzeempfindliche Teile, wie eine Elektronik oder Sensorik, vor einer zu großen Wärmeentwicklung geschützt werden müssen.There are also known applications in which electrochemical energy storage in the door operators, especially in the locking arrangements, are available. So can the door operator be operated in particular by an accumulator or a battery. If such door operators are provided with fire doors, there is a risk that the accumulator or the battery leaves its permissible operating limits due to the heat generated in a fire and explodes due to high temperature. In the worst case this can further intensify the fire. It is also conceivable that other heat-sensitive parts, such as electronics or sensors, must be protected from excessive heat generation.

Der Erfindung liegt daher die Aufgabe zugrunde, Feststellanordnung für einen Türbetätiger, insbesondere mit einem hitzeempfindlichen Teil" bereitzustellen, die bei einfacher und kostengünstiger Herstellung und Montage einen wartungsarmen und sicheren Betrieb, insbesondere auch bei hohen Temperaturen, ermöglicht.The invention is therefore based on the object, locking arrangement for a door operator, especially with a heat-sensitive part "provide that allows for simple and cost-effective production and installation a low-maintenance and safe operation, especially at high temperatures.

Die Aufgabe wird gelöst durch die Merkmale des Anspruchs 1. Somit wird die Aufgabe gelöst durch eine Feststellanordnung, die ein intumeszentes Material umfasst. Die Feststellanordnung ist insbesondere zur Verwendung in einem Türbetätiger für eine Tür geeignet. Das intumeszente Material weist bei Überschreiten einer Intumeszenztemperatur ein Volumen auf, das größer ist als unterhalb der Intumeszenztemperatur. Dabei ist eine Volumenzunahme des intumeszenten Materials insbesondere irreversibel. Sollte die Tür eine Brandschutzfunktion wahrnehmen, so heizt sich die Tür aufgrund des Brandes auf. Durch das Aufheizen der Tür wird das intumeszente Material aufgeheizt, so dass dieses bei Überschreiten der Intumeszenztemperatur eine Volumenzunahme erfährt. Durch die Volumenzunahme und eine Dichteabnahme des intumeszenten Materials steigt die isolierende Wirkung innerhalb der Feststellanordnung. Somit können zumindest Teile der Feststellanordnung durch das intumeszente Material im Brandfall vor einem Temperaturanstieg gut geschützt sein, während in einem Normalbetrieb unterhalb der Intumeszenztemperatur die Feststellanordnung kein hohes Volumen, das durch eine Isolierschicht verursacht ist, aufweist.The object is achieved by the features of claim 1. Thus, the object is achieved by a locking arrangement comprising an intumescent material. The locking arrangement is particularly suitable for use in a door operator for a door. When an intumescent temperature is exceeded, the intumescent material has a volume which is greater than below the intumescent temperature. An increase in volume of the intumescent material is irreversible in particular. If the door has a fire protection function, the door heats up due to the fire. By heating the door, the intumescent material is heated so that it experiences an increase in volume when the intumescent temperature is exceeded. Due to the increase in volume and a decrease in density of the intumescent material, the insulating effect increases within the locking arrangement. Thus, at least parts of the locking arrangement by the intumescent material in case of fire before a temperature increase to be well protected, while in a normal operation below the Intumeszenztemperatur the locking assembly no high volume, which is caused by an insulating layer has.

Die Unteransprüche haben bevorzugte Weiterbildungen der Erfindung zum Inhalt.The dependent claims have preferred developments of the invention to the content.

Im Folgenden werden Ortsangaben wie "vor", "hinter", "neben", "oben", "unten" "Vorder", "Front", "Rück" so verwendet, wie ein entfernt stehender Betrachter die an der Tür montierte Feststellanordnung wahrnimmt.In the following, locations such as "ahead", "behind", "next to", "above", "below" "front", "front", "rear" are used as a distant observer perceives the door-mounted detent assembly ,

Die Feststellanordnung ist über zumindest ein Befestigungselement mit einer Tür verbindbar. Dabei weist eine Rückseite der Feststellanordnung zu der Tür hin.The locking arrangement can be connected to a door via at least one fastening element. In this case, a back of the locking arrangement to the door.

Bevorzugt weist die Feststellanordnung ein vor einer Temperatur über einer Grenztemperatur zu schützendes Element auf. Dieses kann z. B. ein elektrochemischer Energiespeicher, eine Elektronik und/oder eine Sensorik sein. Hierbei ist das intumeszente Material hinter dem zu schützenden Element angeordnet. Somit befindet sich das intumeszente Material im montierten Zustand der Feststellanordnung zwischen dem zu schützenden Element und der Tür. Auf diese Weise wird das zu schützende Element bei einer Volumenvergrößerung des intumenzenten Materials von der Tür weggedrückt. Somit vergrößert sich der Abstand zwischen dem zu schützenden Element und der Tür, über die die Feststellanordnung aufgeheizt wird. Hierbei bildet das intumeszente Material zudem eine Isolierschicht zwischen demElement und der Tür. Hierdurch wird eine Erwärmung des Elements wirksam verlangsamt. Durch die Beabstandung von der Tür wird bei dem zu schützenden Element die Grenztemperatur später erreicht. Hierdurch kann insbesondere eine vorgegebene Zeit lang, z. B. 30 Minuten, ein Funktionieren des Elements erreicht und/oder eine Zerstörung des Elements verhindert werden. Insbesondere ist es denkbar, dass im Falle eines elektrochemischen Energiespeichers als zu schützendes Element ein Austritt gefährlicher Flüssigkeiten oder eine Explosion die vorgegebene Zeit lang verhindert wird. Die vorgegebene Zeit ist insbesondere länger als die Zeit, die benötigt wird, um die Brandschutztür durch das Feuer zu zerstören. Durch die Beabstandung kann Zeit gewonnen werden, denn ein Ausfall des zu schützenden Elements oder die Zerstörung des elektrochemischen Energiespeichers soll nicht zur Gefahr werden, bevor die Brandschutztür durch das Feuer zerstört ist.The locking arrangement preferably has an element to be protected from a temperature above a limiting temperature. This can be z. As an electrochemical energy storage, electronics and / or sensors. In this case, the intumescent material is arranged behind the element to be protected. Thus, the intumescent material is in the assembled state of the locking arrangement between the element to be protected and the door. In this way, the element to be protected is pushed away from the door with an increase in volume of the intumenzenten material. Thus, the distance between the element to be protected and the door over which the locking assembly is heated increases. In addition, the intumescent material forms an insulating layer between the element and the door. As a result, heating of the element is effectively slowed down. By the distance from the door will be in the protected Element reaches the limit temperature later. As a result, in particular a predetermined time long, z. B. 30 minutes, a functioning of the element achieved and / or destruction of the element can be prevented. In particular, it is conceivable that in the case of an electrochemical energy storage as an element to be protected leakage of dangerous liquids or an explosion for a predetermined time is prevented. Specifically, the predetermined time is longer than the time required to destroy the fire door by the fire. By spacing time can be gained, because a failure of the element to be protected or the destruction of the electrochemical energy storage should not be a danger before the fire door is destroyed by the fire.

Es ist denkbar, dass das intumeszente Material zumindest teilweise die Rückseite der Feststellanordnung bildet und/oder über ein Material mit einer Wärmeleitfähigkeit bei 25 °C von zumindest 5 W/mK, bevorzugt zumindest 40 W/mK, besonders bevorzugt zumindest 100 W/mK mit der Rückseite verbunden ist. Eine obere Grenze ist durch die maximale Wärmeleitfähigkeit bekannter Stoffe gegeben sein. Insbesondere kann eine obere Grenze bei 400 W/mK (25°C), bevorzugt bei 1000 W/mK (25°C) gegeben sein. Hierdurch wird erreicht, dass sich das intumeszente Material bei einem Brand besonders rechtzeitig und vor dem schützenden Element erwärmt und ausdehnt.It is conceivable that the intumescent material at least partially forms the back of the locking arrangement and / or a material with a thermal conductivity at 25 ° C of at least 5 W / mK, preferably at least 40 W / mK, more preferably at least 100 W / mK with the back is connected. An upper limit is given by the maximum thermal conductivity of known substances. In particular, an upper limit may be given at 400 W / mK (25 ° C), preferably at 1000 W / mK (25 ° C). This ensures that the intumescent material heats up and expands in a fire in good time and before the protective element.

Bevorzugt weist das intumeszente Material bei Überschreiten einer Intumeszenztemperatur ein Volumen auf, das zumindest dem 5-fachen Volumen des intumeszenten Materials unterhalb der Intumeszenztemperatur entspricht. Insbesondere entspricht das Volumen des intumeszenten Materials unterhalb der Intumeszenztemperatur dem 8,5-fachen des Volumens oberhalb der Intumeszenztemperatur. Besonders bevorzugt entspricht das Volumen des intumeszenten Materials unterhalb der Intumeszenztemperatur dem 12-fachen des Volumens oberhalb der Intumeszenztemperatur. Die Intumeszenztemperatur beträgt bevorzugt zumindest 100°C. Die Intumszenztemperatur ist hierbei die Temperatur, bei der die Volumenvergrößerung beginnt. Die Volumenvergrößerung kann temperaturabhängig sein.When the intumescent temperature is exceeded, the intumescent material preferably has a volume which corresponds at least to 5 times the volume of the intumescent material below the intumescent temperature. In particular, the volume of the intumescent material below the intumescent temperature corresponds to 8.5 times the volume above the intumescent temperature. Particularly preferably, the volume of the intumescent material below the intumescent temperature corresponds to 12 times the volume above the intumescent temperature. The intumescent temperature is preferably at least 100 ° C. The intumescence temperature is the temperature at which the volume increase begins. The increase in volume can be temperature-dependent.

Ist das zu schützende Element ein elektrochemischer Energiespeicher, so kann neben der Grenztemperatur eine maximale Betriebstemperatur des elektrochemischen Energiespeichers vorgegeben sein. Die maximale Betriebstemperatur des elektrochemischen Energiespeichers gibt an, bis zu welcher Temperatur der elektrochemische Energiespeicher funktional verwendet werden kann. Die maximale Betriebstemperatur des elektrochemischen Energiespeichers liegt unter der Grenztemperatur des elektrochemischen Energiespeichers. Die maximale Betriebstemperatur kann z. B. 80°C betragen. Üblicherweise werden sowohl die maximale Betriebstemperatur als auch die Grenztemperatur, z. B. 100 °C, von dem Hersteller des elektrochemischen Energiespeichers vorgegeben.If the element to be protected is an electrochemical energy store, in addition to the limit temperature, a maximum operating temperature of the electrochemical energy store can be predetermined. The maximum operating temperature of the electrochemical energy storage indicates up to which temperature the electrochemical energy storage can be used functionally. The maximum operating temperature of the electrochemical energy storage device is below the limit temperature of the electrochemical energy storage device. The maximum operating temperature can be z. B. 80 ° C. Usually, both the maximum operating temperature and the limit temperature, for. B. 100 ° C, specified by the manufacturer of the electrochemical energy storage.

Die Intumeszenztemperatur liegt bevorzugt oberhalb einer im Normalzustand üblichen oder/und ohne Brand erreichbaren Raumtemperatur. Besonders bevorzugt liegt die Intumeszenztemperatur oberhalb einer maximalen Betriebstemperatur des elektrochemischen Energiespeichers. Z. B. kann die Intumeszenztemperatur bei über 70°C, bevorzugt bei über 80°C, besonders bevorzugt bei üb er 95°C liegen.The intumescent temperature is preferably above a normal and / or achievable without fire room temperature. Particularly preferably, the intumescent temperature is above a maximum operating temperature of the electrochemical energy store. For example, the intumescent temperature may be above 70 ° C, preferably above 80 ° C, more preferably above 95 ° C.

Eine obere Grenze für die Intumeszenztemperatur kann durch die Grenztemperatur gegeben sein. So kann eine obere Grenze für die Intumeszenztemperatur der Grenztemperatur des zu schützenden Elements entsprechen oder oberhalb der Grenztemperatur liegen. Letzteres ist durch Temperaturunterschiede innerhalb der erfindungsgemäßen Feststellanordnung denkbar. So kann es sein, dass intumeszente Material zeitweise eine höhere Temperatur als das zu schützende Element aufweist. Hierdurch kann das intumeszente Material eine Volumenvergrößerung erfahren, bevor das zu schützende Element die Grenztemperatur erreicht hat. So kann eine obere Grenze für die Intumeszenztemperatur in einem Bereich von bis zu 30°C, bevorzugt bis zu 20°C, besonders bevorzugt bis zu 10°C oberhalb d er Grenztemperatur liegen.An upper limit for the intumescent temperature may be given by the limit temperature. Thus, an upper limit to the intumescent temperature of the limit temperature of the protected Elements are equal or above the limit temperature. The latter is conceivable by temperature differences within the locking arrangement according to the invention. So it may be that intumescent material temporarily has a higher temperature than the element to be protected. As a result, the intumescent material can experience an increase in volume before the element to be protected has reached the limit temperature. Thus, an upper limit for the Intumeszenztemperatur in a range of up to 30 ° C, preferably up to 20 ° C, more preferably up to 10 ° C above the limit temperature.

Alternativ werden Temperaturunterschiede innerhalb der Feststellanordnung nicht berücksichtigt oder sind nicht vorhanden. In diesem Fall kann eine obere Grenze für die Intumeszenztemperatur unterhalb der Grenztemperatur liegen. Insbesondere kann die Intumeszenztemperatur in einem Bereich von bis zu 30°C, bevorzugt bis zu 20°C, besonders bevorzugt bis zu 10°C unter der Grenztemperatur liegen.Alternatively, temperature differences within the detent arrangement are not taken into account or are absent. In this case, an upper limit for the intumescent temperature may be below the limit temperature. In particular, the intumescent temperature in a range of up to 30 ° C, preferably up to 20 ° C, more preferably up to 10 ° C below the threshold temperature.

Die Intumeszenztemperatur ist insbesondere eine Temperatur, die im Bereich der Grenztemperatur liegt, z. B. der Grenztemperatur ± 30°C, bevorzugt der Grenztemperatur ± 20 °C, besonders bevorzugt der Grenztemperatur ±10 °C entspricht. Hierdurch kann sowohl eine zu frühe als auch eine zu späte Volumenvergrößerung vermieden werden.The intumescent temperature is in particular a temperature which is in the range of the limit temperature, for. B. the limit temperature ± 30 ° C, preferably the limit temperature ± 20 ° C, particularly preferably the limit temperature corresponds to ± 10 ° C. As a result, both too early and too late increase in volume can be avoided.

Außerdem ist vorteilhafterweise vorgesehen, dass die Feststellanordnung ein Montageelement umfasst. Das Montageelement kann dabei eine rückwärtige Seite eines Gehäuses der Feststellanordnung zumindest teilweise bedecken. Dabei kann vorgesehen sein, dass eine erste Oberfläche des Montageelements dazu ausgebildet ist, im montierten Zustand der Tür zugewandt zu sein. Das intumeszente Material kann auf der ersten Oberfläche angebracht sein.In addition, it is advantageously provided that the locking arrangement comprises a mounting element. The mounting element can at least partially cover a rear side of a housing of the locking arrangement. It can be provided that a first surface of the mounting member is designed to be mounted in the Condition of the door to be facing. The intumescent material may be attached to the first surface.

Ferner kann die Feststellanordnung eine Gleitschiene und eine Feststellvorrichtung umfassen. In der Gleitschiene ist insbesondere ein Gleitelement gleitbar anordenbar, wobei das Gleitelement mit der Feststellvorrichtung wahlweise festellbar oder freiggebbar ist. Das Gleitelement ist außerdem bevorzugt mit einer Übertragungsvorrichtung verbindbar, wobei die Übertragungsvorrichtung eine Bewegung eines bewegbaren Teils der Tür in eine Bewegung des Gleitelements innerhalb der Gleitschiene umsetzt. Somit ist der bewegbare Teil der Tür vorteilhafterweise feststellbar, indem die Feststellvorrichtung das Gleitelement feststellt.Furthermore, the locking arrangement may comprise a slide rail and a locking device. In particular, a sliding element can be slidably arranged in the slide rail, with the sliding element optionally being able to be fastened or released with the locking device. The sliding element is also preferably connectable to a transmission device, wherein the transmission device converts a movement of a movable part of the door into a movement of the sliding element within the slide rail. Thus, the movable part of the door is advantageously detectable by the locking device detects the slider.

Der elektrochemische Energiespeicher ist insbesondere eine Batterie oder ein Akkumulator und dient bevorzugt zur Versorgung der Feststellvorrichtung mit elektrischer Energie.The electrochemical energy store is in particular a battery or a rechargeable battery and preferably serves to supply the arresting device with electrical energy.

Bevorzugt ist das zu schützende Element, insbesondere der elektrochemische Energiespeicher, an der Gleitschiene und/oder vor der Gleitschiene, angebracht. Durch die Erfindung ist das zu schützende Element, insbesondere der elektrochemische Energiespeicher, vor großer Temperatureinwirkung geschützt. Vorteilhafterweise ist ein erster Luftspalt zwischen dem Montageelement und der Gleitschiene vorhanden, so dass eine Isolierung zwischen Montageelement und Gleitschiene vorhanden ist. Da das zu schützende Element, insbesondere der elektrochemische Energiespeicher, bevorzugt an und/oder vor der Gleitschiene angebracht ist, ist auch eine Isolierung zwischen dem zu schützenden Element und dem Montageelement vorhanden. Außerdem kann, wie zuvor beschrieben, durch die intumeszente Wirkung des intumeszenten Materials ein zweiter Luftspalt zwischen Montageelement und Tür ausgebildet sein, so dass eine weitere Isolierung erreicht wird. Dadurch erreicht das zu schützende Element vorteilhafterweise eine maximale Betriebstemperatur auch im Brandfall nicht.The element to be protected, in particular the electrochemical energy store, is preferably attached to the slide rail and / or in front of the slide rail. By the invention, the element to be protected, in particular the electrochemical energy storage, protected from high temperature exposure. Advantageously, a first air gap between the mounting member and the slide rail is present, so that an insulation between the mounting member and slide rail is present. Since the element to be protected, in particular the electrochemical energy storage, is preferably attached to and / or in front of the slide rail, there is also insulation between the element to be protected and the mounting element. In addition, as previously described, by the intumescent effect of the intumescent Material be formed a second air gap between the mounting member and the door, so that a further insulation is achieved. As a result, the element to be protected advantageously does not reach a maximum operating temperature even in case of fire.

Insbesondere ist das zu schützende Element derart angeordnet, dass dieses einen größtmöglichen Abstand zu dem Montageelement aufweist. So ist besonders bevorzugt vorgesehen, dass die Gleitschiene und/oder die Feststellvorrichtung zwischen dem zu schützenden Element, insbesondere dem elektrochemischen Energiespeicher, und dem Montageelement angeordnet sind.In particular, the element to be protected is arranged such that it has the greatest possible distance from the mounting element. Thus, it is particularly preferred that the slide rail and / or the locking device between the element to be protected, in particular the electrochemical energy storage, and the mounting member are arranged.

Besonders bevorzugt ist das zu schützende Element, insbesondere der elektrochemische Energiespeicher, mittig zwischen zwei der Befestigungselemente angeordnet. Da die Befestigungselemente eine Wärmebrücke der Feststellanordnung zur Tür darstellen, verhindert der beschriebene größtmögliche Abstand zwischen den Befestigungselementen und dem zu schützenden Element, insbesondere dem elektrochemischen Energiespeicher, dass Wärme auf kurzem Weg übertragen werden kann. Durch Verlängerung des Weges, über den die Wärme zu übertragen ist, um das zu schützende Element zu erreichen, wird die Wärme vorteilhaft auf die gesamte Feststellanordnung verteilt.Particularly preferably, the element to be protected, in particular the electrochemical energy store, is arranged centrally between two of the fastening elements. Since the fasteners represent a thermal bridge of the locking arrangement to the door, described the greatest possible distance between the fasteners and the element to be protected, in particular the electrochemical energy storage that heat can be transmitted over a short distance. By extending the path through which the heat is transferred to reach the element to be protected, the heat is advantageously distributed over the entire detent arrangement.

Bevorzugt weist die Feststellanordnung zumindest ein Sollbruchelement auf. Dabei ist vorgesehen, dass die Befestigungselemente mit dem Montageelement über das zumindest eine Sollbruchelement verbunden sind. Besonders bevorzugt ist jedes Befestigungselement über ein eigenes Sollbruchelement mit dem Montageelement verbunden. Dabei ist insbesondere vorgesehen, dass durch die Sollbruchelemente ein Luftspalt zwischen dem Montageelement und den übrigen Komponenten der Feststellanordnung verbleibt. Das Sollbruchelement ist derart ausgestaltet, dass dieses bei Überschreiten einer Schmelztemperatur durch eine Volumenänderung des intumeszenten Materials plastisch verformbar ist. Somit gleicht das Sollbruchelement vorteilhafterweise die Bewegung des Montageelements aus, die sich aufgrund der Ausdehnung des intumeszenten Materials einstellt. Die Schmelztemperatur entspricht insbesondere maximal der Intumeszenztemperatur. Die Schmelztemperatur liegt bevorzugt oberhalb einer im Normalzustand üblichen oder/und ohne Brand erreichbaren Raumtemperatur. Besonders bevorzugt liegt die Schmelztemperatur oberhalb einer maximalen Betriebstemperatur des elektrochemischen Energiespeichers. Besonders bevorzugt ist zusätzlich vorgesehen, dass in das Sollbruchelement ein Gewindeelement eingespritzt ist, wobei die Gleitschiene und/oder die Feststellungsvorrichtung und/oder das zu schützende Element, insbesondere der elektrochemische Energiespeicher, mit dem Gewindeelement verbindbar ist.Preferably, the locking arrangement has at least one predetermined breaking element. It is provided that the fastening elements are connected to the mounting element via the at least one predetermined breaking element. Particularly preferably, each fastening element is connected via its own predetermined breaking element with the mounting element. It is provided in particular that an air gap between the mounting element and the other components of the. By the predetermined breaking elements Arresting arrangement remains. The predetermined breaking element is designed such that it is plastically deformable when a melting temperature is exceeded by a change in volume of the intumescent material. Thus, the predetermined breaking element advantageously compensates for the movement of the mounting element, which is due to the expansion of the intumescent material. The melting temperature corresponds in particular at most to the intumescent temperature. The melting temperature is preferably above a normal and / or achievable without fire room temperature. Particularly preferably, the melting temperature is above a maximum operating temperature of the electrochemical energy store. Particularly preferably, it is additionally provided that a threaded element is injected into the predetermined breaking element, wherein the slide rail and / or the fixing device and / or the element to be protected, in particular the electrochemical energy store, can be connected to the threaded element.

Besonders bevorzugt ist das Sollbruchelement auf einer zweiten Oberfläche des Montageelements, die der ersten Oberfläche gegenüberliegt, angeordnet. Dabei ist vorteilhafterweise vorgesehen, dass die Befestigungselemente das Sollbruchelement durch eine Volumenänderung des intumeszenten Materials plastisch verformen. Insbesondere ist vorgesehen, dass die Befestigungselemente so lange in das Sollbruchelement eindringen, bis die Befestigungselemente an der zweiten Oberfläche des Montagelements anliegen. Durch das Anliegen an der zweiten Oberfläche ist ein Verschieben des Montageelements durch die Volumenänderung des intumeszenten Materials begrenzt, so dass ein Herabfallen des Montageelements und damit der Feststellanordnung verhindert ist.Particularly preferably, the predetermined breaking element is arranged on a second surface of the mounting element, which lies opposite the first surface. It is advantageously provided that the fasteners plastically deform the predetermined breaking element by a change in volume of the intumescent material. In particular, it is provided that the fastening elements penetrate into the predetermined breaking element until the fastening elements rest against the second surface of the mounting element. Due to the abutment on the second surface, a displacement of the mounting element is limited by the change in volume of the intumescent material, so that a drop of the mounting element and thus the locking arrangement is prevented.

Bevorzugt weist die Feststellanordnung außerdem das Gehäuse auf, wobei das Gehäuse mit einer Vielzahl von Schlitzen versehen ist. Die Schlitze sind insbesondere derart angeordnet, dass Wärme, die sich entlang des Gehäuses ausbreitet, einen möglichst langen Weg bis zum Erreichen des zu schützenden Elements, insbesondere des elektrochemischen Energiespeichers, zurückzulegen hat. Somit sind die Schlitze insbesondere in Form eines Labyrinths angeordnet.Preferably, the locking assembly also includes the housing, wherein the housing is provided with a plurality of slots. The slots are in particular arranged such that heat which propagates along the housing has to travel as far as possible to reach the element to be protected, in particular the electrochemical energy store. Thus, the slots are arranged in particular in the form of a labyrinth.

Des Weiteren betrifft die Erfindung einen Türbetätiger für eine Tür. Der Türbetätiger umfasst die zuvor beschriebene Feststellanordnung. Außerdem umfasst der Türbetätiger eine Betätigungsvorrichtung für die Tür, die insbesondere eine Türschließvorrichtung ist. Die Betätigungsvorrichtung ist mit der Feststellanordnung, insbesondere mit dem Gleitelement der Feststellanordnung, wirkverbunden, so dass eine Betätigung der Tür in einer Bewegung des Gleitelements innerhalb der Feststellanordnung resultiert.Furthermore, the invention relates to a door operator for a door. The door operator comprises the locking arrangement described above. In addition, the door operator comprises an actuator for the door, which is in particular a door closing device. The actuating device is operatively connected to the locking arrangement, in particular to the sliding element of the locking arrangement, so that an actuation of the door results in a movement of the sliding element within the locking arrangement.

Der Türbetätiger ist bevorzugt derart ausgebildet, dass das Montageelement der Feststellanordnung an einer Zarge der Tür und die Betätigungsvorrichtung an einem Türblatt der Tür anbringbar sind. Alternativ oder zusätzlich ist der Türbetätiger bevorzugt ausgebildet, dass das Montageelement an dem Türblatt der Tür und die Betätigungsvorrichtung an der Zarge der Tür anbringbar ist.The door operator is preferably designed such that the mounting element of the locking arrangement can be attached to a frame of the door and the actuating device on a door leaf of the door. Alternatively or additionally, the door operator is preferably designed such that the mounting element can be attached to the door leaf of the door and the actuating device can be attached to the frame of the door.

Die Erfindung wird nun anhand eines Ausführungsbeispiels näher beschrieben. Dabei zeigen:

Fig. 1
eine schematische Darstellung eines Türbetätigers nach einem Ausführungsbeispiel der Erfindung,
Fig. 2
eine erste schematische Darstellung einer Feststellanordnung des Türbetätigers nach dem Ausführungsbeispiel der Erfindung,
Fig. 3
eine zweite schematische Darstellung einer Feststellanordnung des Türbetätigers nach dem Ausführungsbeispiel der Erfindung, und
Fig. 4
eine dritte schematische Darstellung einer Feststellanordnung des Türbetätigers nach dem Ausführungsbeispiel der Erfindung.
The invention will now be described with reference to an embodiment. Showing:
Fig. 1
a schematic representation of a door operator according to an embodiment of the invention,
Fig. 2
a first schematic representation of a locking arrangement of the door operator according to the embodiment of the invention,
Fig. 3
a second schematic representation of a locking arrangement of the door operator according to the embodiment of the invention, and
Fig. 4
a third schematic representation of a locking arrangement of the door operator according to the embodiment of the invention.

Die Fig. 1 zeigt schematisch einen Türbetätiger 2 nach einem Ausführungsbeispiel der Erfindung. Der Türbetätiger 2 ist an einer Tür angeordnet, wobei die Tür ein Türblatt 11 und eine Zarge 12 umfasst. Der Türbetätiger 2 weist eine erfindungsgemäße Feststellanordnung 1 und eine Betätigungsvorrichtung 16, wobei in dem dargestellten Ausführungsbeispiel die Feststellanordnung 1 an der Zarge 12 und die Betätigungsvorrichtung 16 an dem Türblatt befestigt ist.The Fig. 1 schematically shows a door operator 2 according to an embodiment of the invention. The door operator 2 is arranged on a door, the door comprising a door leaf 11 and a frame 12. The door operator 2 has a locking arrangement 1 according to the invention and an actuating device 16, wherein in the illustrated embodiment, the locking arrangement 1 on the frame 12 and the actuator 16 is fixed to the door leaf.

Die Tür 11, 12 ist insbesondere eine Brandschutztür. Tritt ein Brand auf, so entsteht auf der dem Brand gegenüberliegenden Seite der Brandschutztür eine Temperatur von über 350°C, insbesondere über 380°C. In dem Beispiel in Figur 1 ist der Türbetätiger 2 auf einer dem Brand gegenüberliegenden Seite der Tür 11, 12 angeordnet. Um Beschädigungen des Türbetätigers 2 zu verhindern, muss dieser vor hohen Temperaturen geschützt werden Insbesondere ein elektrochemischer Energiespeicher 10 (vgl. Fig. 2) des Türbetätigers 2 darf derart hohen Temperaturen nicht ausgesetzt werden. Ansonsten besteht die Gefahr, dass der elektrochemische Energiespeicher 10 explodiert und eine Ausbreitung des Brandes bewirkt. Damit wäre die Funktion der Brandschutztür nicht mehr gegeben.The door 11, 12 is in particular a fire door. If a fire occurs, a temperature of over 350 ° C, in particular above 380 ° C, arises on the side of the fire door opposite the fire. In the example in FIG. 1 the door operator 2 is arranged on a side opposite the fire side of the door 11, 12. In order to prevent damage to the door operator 2, it must be protected from high temperatures, in particular an electrochemical energy store 10 (see. Fig. 2 ) of the door actuator 2 must not be exposed to such high temperatures. Otherwise, there is a risk that the electrochemical energy storage 10th explodes and causes a spread of the fire. Thus, the function of the fire door would no longer be given.

In Figur 2 ist eine schematische Ansicht der Feststellanordnung 1 dargestellt. Die Feststellanordnung 1 umfasst eine Gleitschiene 8, in der ein nicht gezeigtes Gleitelement gleitbar angeordnet ist. Das Gleitelement ist insbesondere mit dem Türbetätiger 16 verbunden, so dass eine Bewegung des Türblatts 11 in eine Bewegung des Gleitelements umgesetzt wird. Über eine Feststellvorrichtung 9 ist das Gleitelement feststellbar oder freigebbar, so dass auch das Türblatt 11 feststellbar oder freigebbar ist. Das Türblatt 11 ist vorteilhafterweise in einer geöffneten Stellung feststellbar, wobei das Türblatt 11 insbesondere im Falle eines Brandes freigegeben wird. Zusätzlich ist vorgesehen, dass der Türbetätiger 16 das Türblatt 11 nach der Freigabe in die geschlossene Stellung überführt. Somit ist eine Brandschutztür mittels der Feststellanordnung 1 realisierbar.In FIG. 2 is a schematic view of the locking assembly 1 is shown. The locking assembly 1 includes a slide rail 8 in which a sliding member, not shown, is slidably disposed. The sliding element is in particular connected to the door operator 16, so that a movement of the door leaf 11 is converted into a movement of the sliding element. About a locking device 9, the slider is detectable or releasable, so that the door panel 11 is lockable or releasable. The door leaf 11 is advantageously detectable in an open position, the door leaf 11 is released in particular in the event of a fire. In addition, it is provided that the door operator 16 transfers the door leaf 11 after release in the closed position. Thus, a fire door by means of the locking assembly 1 can be realized.

Die Feststellvorrichtung 9 wird durch den elektrochemischen Energiespeicher 10 mit elektrischer Energie versorgt. Der elektrochemische Energiespeicher 10 ist bevorzugt ein Akkumulator oder eine Batterie, so dass dieser vor hohen Temperaturen, wie sie insbesondere in Brandfällen auftreten können, geschützt werden müssen.The locking device 9 is powered by the electrochemical energy storage 10 with electrical energy. The electrochemical energy store 10 is preferably an accumulator or a battery, so that it must be protected from high temperatures, such as may occur in particular in case of fire.

Der elektrochemische Energiespeicher 10 ist vor der Gleitschiene 8 montiert. Somit weist der elektrochemische Energiespeicher 10 einen größtmöglichen Abstand zu der Zarge 12 auf. Da die Zarge 12 dem Brandherd am nächsten ist, ist davon auszugehen, dass die Zarge 12 neben dem Türblatt 11 die heißesten Stellen darstellen. Durch den größtmöglichen Abstand des elektrochemischen Energiespeichers 10 zu der Zarge ist bereits eine Übertragung von Wärme erschwert.The electrochemical energy store 10 is mounted in front of the slide rail 8. Thus, the electrochemical energy store 10 a maximum distance from the frame 12. Since the frame 12 is closest to the source of fire, it can be assumed that the frame 12 next to the door leaf 11 represent the hottest places. By the greatest possible distance of the electrochemical energy storage device 10 to the frame already a transfer of heat is difficult.

Weiterhin ist vorgesehen, dass die Gleitschiene 8 über ein Montageelement 3 mit der Zarge 12 verbunden ist. Die Verbindung von Montageelement 3 und Zarge 12 ist über eine Vielzahl von Befestigungselementen 5 realisiert. Die Befestigungselemente 5 sind bevorzugt Schrauben oder Bolzen. Auf einer ersten Oberfläche 6 des Montageelements 3 ist ein intumeszentes Material 4 angebracht. Somit befindet sich das intumeszente Material 4 zwischen dem Montageelement 3 und der Zarge 12. Die Funktion des intumeszenten Materials 4 wird bei der Beschreibung der Figur 3 genauer erklärt.Furthermore, it is provided that the slide rail 8 is connected via a mounting member 3 with the frame 12. The connection of mounting element 3 and frame 12 is realized via a plurality of fastening elements 5. The fastening elements 5 are preferably screws or bolts. On a first surface 6 of the mounting member 3, an intumescent material 4 is attached. Thus, the intumescent material 4 is between the mounting member 3 and the frame 12. The function of the intumescent material 4 is in the description of the FIG. 3 explained in more detail.

Zwischen dem Montageelement 3 und der Gleitschiene 8 ist ein erster Luftspalt 100 vorhanden. Der erste Luftspalt 100 dient als Isolierung der Gleitschiene 8 und damit auch des elektrochemischen Energiespeichers 10 gegenüber der Zarge 12. Zur Ausbildung des ersten Luftspalts 100 sind Sollbruchelemente 13 vorhanden, die als Abstandshalter dienen. Die Sollbruchelemente 13 sind daher auf einer der ersten Oberfläche 6 gegenüberliegenden zweiten Oberfläche des Montageelements 3 angeordnet. Weiterhin ist vorgesehen, dass die Befestigungselemente 5 durch eine Bohrung der Sollbruchelemente 13 verlaufen, wobei Köpfe der Befestigungselemente 5 an den Sollbruchelementen 13 anliegen. Dies bedeutet, dass das Montageelement 3 von den Befestigungselementen 5 über die Sollbruchelemente 13 mit der Zarge verbunden ist. Ebenso ist die Gleitschiene 8 über die Sollbruchelemente 13 mit dem Montageelement 3 verbunden. Dies ist beispielsweise dadurch realisiert, dass die Gleitschiene 8 mit den Sollbruchelementen 13 verschraubt ist.Between the mounting member 3 and the slide rail 8, a first air gap 100 is present. The first air gap 100 serves as insulation of the slide rail 8 and thus also of the electrochemical energy storage device 10 with respect to the frame 12. To form the first air gap 100, predetermined breaking elements 13 are provided which serve as spacers. The predetermined breaking elements 13 are therefore arranged on a second surface of the mounting element 3 opposite the first surface 6. Furthermore, it is provided that the fastening elements 5 extend through a bore of the predetermined breaking elements 13, wherein heads of the fastening elements 5 rest against the predetermined breaking elements 13. This means that the mounting element 3 is connected by the fastening elements 5 via the predetermined breaking elements 13 with the frame. Likewise, the slide rail 8 is connected via the predetermined breaking elements 13 with the mounting element 3. This is realized, for example, in that the slide rail 8 is screwed to the predetermined breaking elements 13.

Die Sollbruchelemente 13 bilden jedoch auch eine Wärmebrücke 400, über die Wärme von dem Montageelement 3 und damit von der Zarge 12 an die die Gleitschiene 8 und damit an den elektrochemischen Energiespeicher 10 übertragbar ist. Die übertragbare Wärme ist jedoch begrenzt, wie in Figur 3 gezeigt ist.However, the predetermined breaking elements 13 also form a thermal bridge 400, via the heat from the mounting element 3 and thus from the frame 12 to the slide rail 8 and thus to the electrochemical Energy storage 10 is transferable. However, the transferable heat is limited, as in FIG. 3 is shown.

Figur 3 zeigt den Fall einer großen Hitzeeinwirkung 500 auf die Feststellanordnung 1 aus Figur 2. Hitzeeinwirkung 500 entspricht einer Wärmeenergie, die durch Temperaturen der Zarge 12 von 100°C bis 380°C erzeugt wird. FIG. 3 shows the case of a large heat 500 on the Feststellanordnung 1 from FIG. 2 , Heat 500 corresponds to a heat energy generated by temperatures of the frame 12 from 100 ° C to 380 ° C.

Eine Intumeszenztemperatur des intumeszenten Materials 4 beträgt zumindest 100°C. Somit überschreitet die Hitzeeinwirkung 500 die Intumeszenztemperatur, wodurch das intumeszente Material 4 sein Volumen vergrößert. Insbesondere erfolgt ein Aufschäumen des intumeszenten Materials 4, wobei sich dessen Volumen bevorzugt um den Faktor 12 vergrößert. Eine Vergrößerung des Volumens des intumeszenten Materials 4 ist dadurch möglich, dass die Sollbruchelemente 13 der Ausdehnung des intumeszenten Materials 4 nachgeben. Dies wird nachfolgend beschrieben.An intumescent temperature of the intumescent material 4 is at least 100 ° C. Thus, the action of heat 500 exceeds the intumescent temperature, whereby the intumescent material 4 increases its volume. In particular, the intumescent material 4 is foamed, its volume preferably increasing by a factor of 12. An increase in the volume of the intumescent material 4 is possible because the predetermined breaking elements 13 yield to the expansion of the intumescent material 4. This will be described below.

Die Wärme, die aus der Hitzeeinwirkung 500 resultiert, wird auch durch die Wärmebrücke 400 an die Gleitschiene 8 geleitet. Somit erwärmen sich auch die Sollbruchelemente 13. Die Sollbruchelemente 13 sind derart ausgebildet, dass diese bei Überschreiten der Intumeszenztemperatur ihre Festigkeit verlieren und plastisch verformbar werden. Somit wird durch die Ausdehnung des intumeszenten Materials 4 eine Verformung der Sollbruchelemente erreicht, da die Köpfe der Befestigungselemente 5 in das Sollbruchelement eindringen.The heat resulting from the action of heat 500 is also conducted through the thermal bridge 400 to the slide rail 8. Thus, the predetermined breaking elements 13 are also heated. The predetermined breaking elements 13 are designed such that they lose their strength when the intumescent temperature is exceeded and become plastically deformable. Thus, a deformation of the predetermined breaking elements is achieved by the expansion of the intumescent material 4, since the heads of the fastening elements 5 penetrate into the predetermined breaking element.

Durch die beschriebenen Maßnahmen hebt das Montageelement 3 von der Zarge 12 ab, so dass sich ein zweiter Luftspalt 200 zwischen dem Montageelement 3 und der Zarge 12 einstellt. Der zweite Luftspalt 200 bildet somit eine weitere Isolierung. Das Abheben wird durch ein Anliegen der Köpfe der Befestigungselemente 5 an der zweiten Oberfläche des Montageelements 3 begrenzt, d.h., die Köpfe der Befestigungselemente 5 haben die Sollbruchstelle 13 vollständig durchdrungen. Somit wird auch die Wirksamkeit der Wärmebrücke 400 deutlich vermindert. Ein Herabfallen der Feststellanordnung 1 ist dadurch verhindert, dass die die Befestigungselemente 5 direkt an dem Montageelement 3 anliegen.By the measures described, the mounting member 3 lifts from the frame 12, so that a second air gap 200 between the mounting member 3 and the frame 12 sets. The second air gap 200 thus forms a further isolation. The lifting is limited by a concern of the heads of the fasteners 5 on the second surface of the mounting member 3, ie, the heads of the fasteners 5 have completely penetrated the predetermined breaking point 13. Thus, the effectiveness of the thermal bridge 400 is significantly reduced. Falling down of the locking arrangement 1 is prevented by the fact that the fastening elements 5 rest directly on the mounting element 3.

Durch den ersten Luftspalt 100 und den zweiten Luftspalt 200 ist eine große Isolationswirkung vorhanden. Daher ist der elektrochemische Energiespeicher 10 wirksam vor der Hitzeeinwirkung 500 geschützt und verbleibt stets innerhalb seiner zulässigen Betriebstemperaturen. Insbesondere verbleibt eine Temperatur des elektrochemischen Energiespeichers 10 unterhalb von 100°C.By the first air gap 100 and the second air gap 200, a large insulating effect is present. Therefore, the electrochemical energy storage 10 is effectively protected from the heat 500 and always remains within its allowable operating temperatures. In particular, a temperature of the electrochemical energy store 10 remains below 100 ° C.

Figur 4 zeigt weitere vorteilhafte Maßnahmen, die einen Schutz des elektrochemischen Energiespeichers 10 bewirken. So ist zunächst vorteilhaft, den elektrochemischen Energiespeicher 10 mittig zwischen zwei Befestigungselementen 5 vorzusehen. Daher ist der elektrochemische Energiespeicher 10 aus der in Figur 4 gezeigten Position insbesondere entlang der Zentrierrichtung 500 zu verschieben, bis der elektrochemische Energiespeicher 10 mittig zwischen den Befestigungselementen 5 angeordnet ist. FIG. 4 shows further advantageous measures that cause protection of the electrochemical energy storage device 10. Thus, it is initially advantageous to provide the electrochemical energy store 10 centrally between two fastening elements 5. Therefore, the electrochemical energy storage 10 of the in FIG. 4 shown position, in particular along the centering direction 500 to move until the electrochemical energy storage 10 is arranged centrally between the fastening elements 5.

Außerdem ist es vorteilhaft, einen dritten Luftspalt 300 zwischen den Befestigungselementen 5 und der Gleitschiene 8 vorzusehen. Ebenso ist vorteilhaft, ein Gewindeelement 17 in dem Sollbruchelement 13 vorzusehen, insbesondere das Gewindeelement 17 in das Sollbruchelement 13 einzuspritzen. Auf diese Weise wird die Wirksamkeit der in Figur 2 gezeigten Wärmebrücke 400 deutlich abgeschwächt, so dass weniger Wärme auf die Gleitschiene 8 und damit auf den elektrochemischen Energiespeicher 10 übertragbar ist.In addition, it is advantageous to provide a third air gap 300 between the fastening elements 5 and the slide rail 8. It is also advantageous to provide a threaded element 17 in the predetermined breaking element 13, in particular to inject the threaded element 17 into the predetermined breaking element 13. In this way, the effectiveness of in FIG. 2 shown thermal bridge 400 significantly weakened, so that less heat can be transferred to the slide rail 8 and thus to the electrochemical energy store 10.

Außerdem sind in Figur 4 schematisch Schlitze 14 gezeigt, die insbesondere in einem Gehäuse der Feststellanordnung 1 vorgesehen sind. Die Schlitze 14 weisen eine Labyrinth-Anordnung auf, so dass ein Wärmestrom 15 von der Zarge 12 zu dem elektrochemischen Energiespeicher 10 einen größeren Weg über das Gehäuse zurücklegen muss, als wenn die Schlitze 14 in dem Gehäuse nicht vorhanden wären. Durch alle diese Maßnahmen ist der elektrochemische Energiespeicher 10 derart vor einer Aufheizung im Brandfall geschützt, dass dieser stets innerhalb der zulässigen Betriebstemperaturen verbleibt.Also, in FIG. 4 shown schematically slots 14, which are provided in particular in a housing of the locking assembly 1. The slots 14 have a labyrinth arrangement, so that a heat flow 15 from the frame 12 to the electrochemical energy storage device 10 has to travel a greater distance over the housing than if the slots 14 were not present in the housing. As a result of all these measures, the electrochemical energy store 10 is protected against heating in the event of a fire such that it always remains within the permissible operating temperatures.

Sollte ein Brand auf derjenigen Seite der Tür 11, 12 ausbrechen, auf der die Feststellanordnung 1 befestigt ist, so ist eine sehr hohe Gefahr einer Überhitzung des elektrischen Energiespeichers 10 gegeben. In diesem Fall entfällt im Gegensatz zu einem Brand auf der gegenüberliegenden Seite der Tür 11, 12 die Isolationswirkung der Tür 11, 12, da die Feststellanordnung 1 dem Brand direkt ausgesetzt ist. Durch das zuvor beschriebene Abheben des Montageelements 3 ist eine größtmögliche Isolation sichergestellt. Daher wird ein Aufheizen des elektrischen Energiespeichers 10 verzögert. Durch das Verzögern der Aufheizung wird somit auch eine Überhitzung des Energiespeichers 10 so lange wie möglich verhindert.If a fire breaks out on that side of the door 11, 12 on which the locking arrangement 1 is fastened, there is a very high risk of overheating of the electrical energy store 10. In this case, in contrast to a fire on the opposite side of the door 11, 12 eliminates the insulating effect of the door 11, 12, since the locking assembly 1 is directly exposed to the fire. The lifting of the mounting element 3 described above ensures the greatest possible isolation. Therefore, heating of the electric energy storage device 10 is delayed. By delaying the heating thus overheating of the energy storage device 10 is prevented as long as possible.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
FeststellanordnungLocking assembly
22
Türbetätigerdoor actuators
33
Montageelementmounting element
44
intumeszentes Materialintumescent material
55
Befestigungselementfastener
66
erste Oberfläche des Montageelementsfirst surface of the mounting element
77
zweite Oberfläche des Montageelementssecond surface of the mounting element
88th
Gleitschieneslide
99
FeststellvorrichtungLocking device
1010
elektrochemischer Energiespeicherelectrochemical energy storage
1111
Türblattdoor leaf
1212
Zargeframe
1313
SollbruchelementBreaking element
1414
Schlitzeslots
1515
Wärmestromheat flow
1616
Betätigungsvorrichtungactuator
1717
Gewindeelementthreaded element
100100
erster Luftspaltfirst air gap
200200
zweiter Luftspaltsecond air gap
300300
dritter Luftspaltthird air gap
400400
Wärmebrückethermal bridge
500500
Hitzeeinwirkungheat effect
600600
Zentrierrichtungcentering direction

Claims (12)

Feststellanordnung (1), insbesondere für eine Tür (11, 12), umfassend - ein intumeszentes Material (4), das bei Überschreiten einer Intumeszenztemperatur ein Volumen aufweist, das größer ist als unterhalb der Intumeszenztemperatur. Locking arrangement (1), in particular for a door (11, 12), comprising - An intumescent material (4), which has a volume that is greater than below the Intumeszenztemperatur when an intumescent temperature is exceeded. Feststellanordnung (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Feststellanordnung (1) ein vor einer Temperatur über einer Grenztemperatur zu schützendes Element (10), insbesondere einen elektrochemischen Energiespeicher (10), aufweist, wobei das intumeszente Material (4) hinter dem zu schützenden Element (10) angeordnet ist.Locking arrangement (1) according to claim 1, characterized in that the locking arrangement (1) to be protected from a temperature above a temperature limit element (10), in particular an electrochemical energy store (10), wherein the intumescent material (4) behind the is arranged to be protected element (10). Feststellanordnung (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das intumeszente Material (4) zumindest teilweise eine Rückseite der Feststellanordnung (1) bildet und/oder über ein Material mit einer Wärmeleitfähigkeit bei 25 °C von zumindest 5 W/mK, bevorzugt 40 W/mK, besonders bevorzugt 100 W/mK mit der Rückseite verbunden ist.Locking arrangement (1) according to claim 1 or 2, characterized in that the intumescent material (4) at least partially forms a back side of the locking arrangement (1) and / or over a material with a thermal conductivity at 25 ° C of at least 5 W / mK, preferably 40 W / mK, more preferably 100 W / mK is connected to the back. Feststellanordnung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das intumeszente Material (4) bei Überschreiten einer Intumeszenztemperatur ein Volumen aufweist, das zumindest dem 5-fachen, insbesondere dem 8,5-fachen, besonders bevorzugt dem 12-fachen, Volumen des intumeszenten Materials (4) unterhalb der Intumeszenztemperatur entspricht.Locking arrangement (1) according to one of the preceding claims, characterized in that the intumescent material (4) has a volume exceeding an intumescent temperature which is at least 5 times, in particular 8.5 times, particularly preferably 12 times the volume of intumescent material (4) below the intumescent temperature. Feststellanordnung (1) nach einem der vorhergehenden Ansprüche, umfassend - ein Montageelement (3), wobei die erste Oberfläche (6) eine Oberfläche des Montageelements (3) ist, und/oder - eine Gleitschiene (8), in der ein Gleitelement gleitbar anordenbar ist, und/oder - eine Feststellvorrichtung (9), wobei das Gleitelement mit der Feststellvorrichtung (9) wahlweise festellbar oder freigebbar ist, und/oder - einen elektrochemischen Energiespeicher (10) zur Versorgung der Feststellvorrichtung (9) mit elektrischer Energie. Locking arrangement (1) according to one of the preceding claims, comprising - A mounting member (3), wherein the first surface (6) is a surface of the mounting member (3), and / or - A slide rail (8) in which a sliding element is slidably arranged, and / or - A locking device (9), wherein the sliding member with the locking device (9) is selectively lockable or releasable, and / or - An electrochemical energy store (10) for supplying the locking device (9) with electrical energy. Feststellanordnung (1) nach nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das zu schützende Element, insbesondere der elektrochemische Energiespeicher (10), derart angeordnet ist, dass dieser einen größtmöglichen Abstand zu dem Montageelement (3) aufweist.Locking arrangement (1) according to one of the preceding claims, characterized in that the element to be protected, in particular the electrochemical energy store (10), is arranged such that it has the greatest possible distance from the mounting element (3). Feststellanordnung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass Befestigungselemente (5) zur Verbindung mit der Tür vorgesehen sind und das zu schützende Element, insbesondere der elektrochemische Energiespeicher (10), mittig zwischen zwei der Befestigungselemente (5) angeordnet ist.Locking arrangement (1) according to one of the preceding claims, characterized in that fastening elements (5) are provided for connection to the door and the element to be protected, in particular the electrochemical energy store (10), is arranged centrally between two of the fastening elements (5). Feststellanordnung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Befestigungselement (5) mit dem Montageelement (3) über zumindest ein Sollbruchelement (13) verbunden ist, wobei das Sollbruchelement (13) bei Überschreiten einer Schmelztemperatur, die maximal der Intumeszenztemperatur entspricht, durch eine Volumenänderung des intumeszenten Materials (4) plastisch verformbar ist.Locking arrangement (1) according to one of the preceding claims, characterized in that the fastening element (5) with the mounting element (3) via at least one predetermined breaking element (13) is connected, wherein the predetermined breaking element (13) upon exceeding a melting temperature which corresponds at most to the Intumeszenztemperatur, by a change in volume of the intumescent material (4) is plastically deformable. Feststellanordnung (1) nach Anspruch 8, dadurch gekennzeichnet, dass das Sollbruchelement (13) auf einer zweiten Oberfläche (7) des Montageelements (3), die der ersten Oberfläche (6) gegenüberliegt, angeordnet ist.Locking arrangement (1) according to claim 8, characterized in that the predetermined breaking element (13) on a second surface (7) of the mounting member (3) which is opposite to the first surface (6) is arranged. Feststellanordnung (1) nach einem der vorhergehenden Ansprüche, gekennzeichnet durch ein Gehäuse, wobei das Gehäuse eine Vielzahl von Schlitzen (14) aufweist und die Schlitze (14) insbesondere in Form eines Labyrinths angeordnet sind.Locking arrangement (1) according to one of the preceding claims, characterized by a housing, wherein the housing has a plurality of slots (14) and the slots (14) are arranged in particular in the form of a labyrinth. Türbetätiger (2) für eine Tür (11, 12), umfassend eine Feststellanordnung (1) nach einem der vorhergehenden Ansprüche und eine Betätigungsvorrichtung (16) für die Tür (11, 12), wobei die Betätigungsvorrichtung (16) mit der Feststellanordnung (1), insbesondere mit dem Gleitelement der Feststellanordnung (1), wirkverbunden ist.Door operator (2) for a door (11, 12), comprising a locking arrangement (1) according to one of the preceding claims and an actuating device (16) for the door (11, 12), the actuating device (16) being connected to the locking arrangement (1 ), in particular with the sliding element of the locking arrangement (1), is operatively connected. Türbetätiger (2) nach Anspruch 11, dadurch gekennzeichnet, dass das Montageelement (3) einem Türblatt (11) der Tür (11, 12) und die Betätigungsvorrichtung (16) an einer Zarge (12) der Tür (11, 12) anbringbar sind, und/oder das Montageelement (3) der Zarge (12) der Tür (11, 12) und die Betätigungsvorrichtung (16) an dem Türblatt (11) der Tür (11, 12) anbringbar sind.Door operator (2) according to claim 11, characterized in that the mounting element (3) a door leaf (11) of the door (11, 12) and the actuating device (16) on a frame (12) of the door (11, 12) are attachable , and / or the mounting element (3) of the frame (12) of the door (11, 12) and the actuating device (16) on the door leaf (11) of the door (11, 12) are attachable.
EP15203025.0A 2015-03-02 2015-12-29 Locking assembly and door actuator with locking assembly Active EP3064684B1 (en)

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EP3943697A1 (en) * 2020-07-20 2022-01-26 dormakaba Deutschland GmbH Fire-protection fastening device for fixing a door actuator
EP4012141A1 (en) * 2020-12-14 2022-06-15 dormakaba Deutschland GmbH Assembly bracket for a door actuator

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EP3943697A1 (en) * 2020-07-20 2022-01-26 dormakaba Deutschland GmbH Fire-protection fastening device for fixing a door actuator
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