EP1092829A2 - Drive device for a door - Google Patents

Abstract

The building door actuator (3) has a drive motor (31) to close the door and an energy reservoir coil spring to open the door. The reservoir (34) is primed as the door is closed and some of the energy is reused to open the door. The reservoir has an emergency opening control with an electrically operated lock (33) to retain the door closed. The lock can be released by an electrical signal so that the door can be opened. Claims include a method for operating the door

Description

The invention relates to a drive device for a door or a window a stationary frame and at least one pivoting wing mounted on it a drive device for opening and / or closing the rotary wing, wherein the drive device has a drive motor and an energy store and the closing only under the action of the drive motor and the opening preferably takes place exclusively under the action of the energy store, and a method for operating such a drive device.

From DE 196 52 600 a drive device for a rotary folding door is known. There is an electric drive motor for automatic opening and closing the rotary folding door provided. An energy store is about an electromagnetic one Coupled to the electric drive and is closed when the Tensioned folding door. In an emergency, the drive is engaged with the Energy storage via the electromagnetic clutch released, and the energy storage moves the rotary folding door to the open position. The clutch is in Normal operation during the entire opening and closing process with the Power applied to the drive and the energy storage device must therefore be used accordingly be dimensioned large.

DE 295 21 068 discloses a swing door operator with a manual emergency opening for doors known in escape and escape routes. It has an electric drive for opening and an energy storage for automatic closing of the rotary wing on. The drive is by means of a mechanical coupling with the rotating wing connected. In an emergency, the door can be opened manually by the mechanical Clutch is released by overpressing. This couples the electrical one Drive from the rotary wing, and the rotary wing can be opened by hand. The closing process must now also be done manually, since the mechanical Coupling engaged only in the closed position.

The invention has for its object a drive device of the beginning mentioned type that works automatically and is simple, and to develop a method for operating a drive device.

The object is achieved with the drive device according to claim 1 and the method according to claim 21 solved.

The holding device is designed to be electrically switchable. The rotary wing can be in held and released a certain closed position. The holding device is designed to be detachable both in normal operation and in emergency operation, so that the rotary wing after loosening the holding device, preferably with effect of the energy storage, automatically, i.e. without external energy supply, in Open position pivots or can be brought into the open position manually. In normal operation the movement of the rotary wing can e.g. using people detection sensors and / or an authorized switching device. In an emergency such as. Fire, power failure or panic, the opening of the rotary wing can automatically under the effect of the energy storage, via an emergency button and / or a control sensor, e.g. Smoke detector, and / or controlled from a central point and / or initiated automatically. The control can thus be remotely controlled respectively.

When the holding device is switched on, the rotary wing is in its current position Position held. A possible pivoting movement of the rotating wing in the opening or closing direction can be stopped by switching on the holding device become. To a simply constructed and spatially compact device can get the holding device for arrangement in the area of the drive device be formed and / or with a functional part of the drive device get connected. In this embodiment, the holding device can either have a single holding element or several holding elements, which (s) with one or more functional parts is or can be connected and as a piezo actuator and / or electromechanical locking element and / or magnetostrictive Element and / or valve is or are formed.

It can be provided that the holding device e.g. with the energy storage cooperates by the holding device discharging the energy store prevented. Likewise, the holding device with an axially movable Interact piston of the drive device to block the axial piston movement. In another embodiment, the holding device with a Linkage of the drive device, preferably sliding arm linkage and / or Scissor arm linkage, interact to block or unlock.

It is preferably provided that the holding device with a damping device interacts to block and release the rotary wing. The holding device can e.g. have an electrically switchable valve which for Closing an overflow line of a hydraulic damping device is designed to thereby stop the discharge of the energy store. As well can an electromechanical interacting with the energy storage Locking element can be provided, which in the locked state the discharge of the energy storage mechanically blocked.

The holding device is advantageously in the area of the drive device arranged. The drive device can have a housing in which the Holding device is at least partially integrable.

In a modified version, the holding device can directly with the Interacting sashes to block and release. So can be provided be that the rotary wing has a door lock, preferably with a lock latch, which are attached in the closed position of the rotating wing with a fixed frame electric door opener interacts to lock the sash. The holding device can be attached in the area of the door opener or the Activate the door opener.

Furthermore, a holding magnet can be provided, which is fixed in place on the frame is and in the closed position with a counter plate attached to the wing made of magnetic conductive material interacts so that when the power is on Magnetic field is built up, which holds the wing in the closed position.

In preferred embodiments, the holding device is designed so that the Wing is automatically released in the event of a power failure and is affected by the Energy storage opens. For this purpose, the holding device has a holding element e.g. a quiescent current door opener and / or a quiescent current valve and / or a quiescent current locking element on, which is designed to solve automatically in the event of a power failure.

When the sash is released, the energy store can open the sash in the opening direction move, the energy storage is at least partially discharged. The Energy storage can be used as a mechanical energy storage with an elastic energy storage element, e.g. Coil or torsion spring, or as a pneumatic Energy storage be designed with gas pressure spring. The wing can of course also opened manually, preferably with the aid of the energy store become.

The rotating wing is closed exclusively by a motor with a feed of external energy. The drive motor loads at the same time as the wing closes the energy storage, e.g. the elastic energy storage element tensioned becomes. The drive motor can be used as an electromechanical drive motor or be designed as a hydraulic pump. The electromechanical drive motor can have a transmission, the electromechanical drive motor and / or the transmission is not designed to be self-locking.

In an advantageous embodiment, a control device is provided which is designed to control the drive motor and / or the holding device. In order to open the wing in normal operation, the control device can have an authorized switching device, e.g. a key switch and / or keypad, or have one or more motion detectors and / or light barriers. When the authorized switching device is actuated and / or when a Person through the motion detector, the control device generates a signal to release the holding device, whereupon the wing from the energy storage in Opening direction is moved. To secure the wing edges can also Safety sensors or light barriers can be provided, which at a recognized obstacle in the swivel range of the wing the holding device for Block the wing and / or the drive motor to reverse the Activate swivel movement.

In order to trigger the emergency opening, the control device can have a manually operated emergency button and / or a fire detector. Also, a connection of the control device to a central security device, such as a W R alsoand ärme- A bzugs- (RWA) or R ettungs w eg s icherungs- (RWS) means, may be provided. The escape route, which opens automatically in an emergency, clearly shows the people at risk of escape. This considerably reduces the risk of panic compared to manually opening escape routes and makes it easier for people fleeing to find their way.

Further features and advantages of the invention emerge from the subclaims and from the exemplary embodiments of the figures.

Figur 1

eine schematische Frontansicht einer Drehflügeltür mit einer am Drehflügel aufliegend montierten Antriebsvorrichtung und separater manuell betätigbarer Auslösevorrichtung;

Figur 2

eine schematische Frontansicht einer Drehflügeltür mit einer am Rahmen montierten Antriebsvorrichtung und einer automatischen Personenerfassung als Auslösevorrichtung;

Figur 3

ein Blockschaltbild der Antriebsvorrichtung mit integrierter Haltevorrichtung.

It shows:

Figure 1

is a schematic front view of a swing door with a drive device mounted on the rotating wing and separate manually actuated release device;

Figure 2

is a schematic front view of a swing door with a drive device mounted on the frame and an automatic person detection as a triggering device;

Figure 3

a block diagram of the drive device with integrated holding device.

Figure 1 shows a schematic front view of a drive device 1 with swing door. The door has a rotating leaf 2 which is mounted on a vertical edge in bands 22 on the frame 21 so as to be pivotable about a vertical door axis. The rotary wing 2 is equipped with a drive device 3 mounted on top.

The drive device 3 has a door drive housing 4, in which an output shaft 41 is rotatably mounted. With the output shaft 41 is a non-rotatable Sliding arm 42 connected, which has at its free end a slider 43, the Slidably guided in a slide rail 44 and for this purpose rotatable with a slider connected is. In the door drive housing 4 are shown in Figure 3 Coil spring 34 as an energy store, an electromechanical drive motor 31 and a hydraulic damping device 32a, 32b with an electric switchable valve 33 arranged as a holding device, each with the output shaft 41 cooperate.

An electric door opener 37 is opposite the main closing edge Fixed frame arranged at the level of the door lock 23. In the closed position of the Turning wing 2 acts the electric door opener 37 for locking and unlocking the Wing 2 together with the latch of the door lock 23.

In the area of the door, a control device 5 is arranged stationary in the hand area. The control device 5 has a housing with a housing arranged therein Authorized switching device 52 and emergency release device 51. The authorized switching device 52 is designed as a code keyboard, but can also be used as a Key switch or code card terminal. The Emergency release device has an emergency button 51, which with a destructible seal e.g. a clear plastic hood, against abuse e.g. a clear plastic hood that can be secured against misuse. The control device 5 is connected to the drive device 3 via a cable 53 connected. In order to compensate for the rotational movement of the door leaf 2, a flexible one is required Cable transition 53a provided, which, as shown in Figure 1, in the area the secondary closing edge lying on, connecting the door leaf 2 and the frame 21 is mounted. In a variant modified from FIG. 1, the flexible cable transition 53a also visually hidden in the secondary closing edge, e.g. be sunk in a groove of the frame 21.

The drive device 3 can be similar to a conventional one Swing door drive device, e.g. around a hydraulic Swing door drive. The drive device 3 functions in such a way that the door leaf 2 is blocked by the holding device 33 in a closed position. With manual Actuation of the authorized switching device 52 triggers the control device 5 Holding device, whereupon the energy stored in the energy store 34 Door leaf 2 is acted upon in the opening direction by the energy store 34 the output shaft 41 acts in the opening direction. The wing 2 is closed with the supply of external energy by the hydraulic pump 31, wherein at the same time the energy store 34 is charged.

With the holding device, the door leaf 2 can be opened during or after opening be blocked in any position by the electrically switchable valve 33 of the holding device blocks the hydraulic damping device 32a, 32b. In addition to the electrically switchable valve 33 is a further holding device in the frame 21 at the main closing edge of the electric door opener 37 as Locking device arranged. The door opener 37 acts in the closed position to lock the sash 2 with that on the main closing edge of the sash 2 arranged door lock 23 together. Controls for locking and unlocking the control device 5 the door opener 37. The holding device can be in opposite 1 modified versions as a holding device with door opener 37 or be designed as a holding device with a valve as a holding element.

To move the door leaf 2 into the closed position, the control device 5 controls the drive motor 31. The drive motor 31 acts on the in the closing direction A closer shaft 41, the resulting forced movement of the Sliding arm 42 of the door leaf 2 is closed. At the same time, the energy storage 34 loaded by tensioning the closer spring.

In the type of assembly shown in Figure 1, the so-called blade assembly, that is Door drive housing 4 mounted on door leaf 2. Here, the slide rail 42 is open the frame 21 mounted. The assembly can be done on the hinge side as well also take place on the opposite side of the hinge.

In alternative embodiments, instead of a slide arm linkage 42 a scissor arm linkage can also be used. One use of the invention is also possible on double-leaf doors, which also have a closing sequence control can be equipped.

FIG. 2 shows the schematic view of a drive device 1 with the so-called head mounting of the drive device 3 on a swing door designed analogously to the illustration in FIG. 1. Here, the door drive housing 4 is mounted on the window frame 21 and the slide rail 44 rests on the door leaf 2. The control device 5 is at least partially integrated into the door drive housing 4. It has a motion detector 54, for example infrared detector or radar detector, attached to the door drive housing 4 and a fire detector 56 mounted in the area of the door for controlling the drive device. A movement detector 54 can be arranged on the inside and on the outside for accessing the door on both sides. It is also possible to arrange an authorized switching device 52 on one side of the door, for example the outside, and a motion detector 54 on the other side, for example the inside.

On the door leaf 2 in FIG. 2 is a cooperating with the control device 5 Safety sensor 55 arranged. The safety sensor 55 can be one-sided or on both sides on the door leaf 2 in the area of the upper horizontal edge be arranged and is for edge protection during the opening and / or Closing movement trained. Detects the safety sensor 55 Obstacle in the swivel range of the door leaf 2, it generates a signal to Switching the holding device and / or for switching the drive motor, so that the pivoting movement of the door leaf 2 stopped by the holding device and / or is reversed by the drive motor 31.

In the closed position shown, the holding device blocks the door leaf 2 The user is detected by the motion detector 54 when the door is approached. The control device 5 then releases the holding device and the door leaf 2 is opened by converting the energy stored in the energy store 34. After a preset time has elapsed, the door leaf 2 becomes effective of the drive motor 31 closed and the energy storage 34 loaded again.

The emergency opening of the door is done by the fire detector 56, which in the event of a fire Signal for releasing the holding device is generated, whereupon the door leaf 2 under Effect of energy storage 34 opens automatically. The signal to release the Holding device can also be connected to the triggering device Safety device, e.g. a safety device of a smoke and heat extraction device or rescue route protection device. This means that the escape route can be centralized in the event of a fire and / or emergency be opened. In the event of a power failure, the holding device is designed such that it automatically releases the door.

In a modified embodiment, the holding device can at least partially be arranged outside the door drive housing 4 or with one outside of the door drive housing 4 arranged holding element, e.g. the electric Door opener 37, be connected or be designed as a door opener 37. It is provided that the holding device with a holding magnet and / or the Door opener 37, preferably quiescent current door opener, for blocking and releasing of the door leaf 2 cooperates in the closed position of the door leaf 2.

FIG. 3 shows the schematic structure of the drive device 3. The drive device 3 has a preferably cylindrical housing 35 with an axially displaceable piston 36 tightly guided therein. The piston 36 divides the housing 35 into two hydraulic spaces 39a, 39b which correspond via hydraulic lines 32a, 32b and are filled with a suitable hydraulic medium. In the hydraulic chamber 39b on the right in FIG. 3, a helical spring 34 is arranged as an energy store. The helical spring 34 is supported at one end on the housing wall and at the other end on the piston 36. A gear meshing with a gear 45 is formed on an inner wall of the piston 36. An output shaft 41 mounted in the housing 35 engages in the interior of the piston 36 and is connected in a rotationally fixed manner to the gear wheel 45, so that the axial movement of the piston 36 is converted by the transmission into a rotary movement of the output shaft 41.

In the upper hydraulic line 32a in FIG. 3 is one of the electromechanical Drive motor driven pump 31 arranged. To the door wing 2 too close, the pump 31 is controlled by the control device 5 shown in FIG. 1 driven, whereupon they the hydraulic medium from the hydraulic chamber 39b in promotes the hydraulic space 39a. This increases the static pressure in the room 39a, and the piston 36 is moved axially against the force of the spring 34. The Spring 34 is elastically deformed while storing mechanical energy and the volume of the hydraulic space 39b is reduced. About the transmission of the piston 36, the output shaft 41 is in the Closing direction rotated. Through the rotationally fixedly connected to the closer shaft 41 A sliding arm 42 transmits a force in the closing direction to the door leaf 2. If the door leaf 2 is in the closed position, the piston 36 is in its in Figure 3 right end position, and the energy store 34 is charged.

The discharge of the energy store 34 is hydraulically damped by the Hydraulic medium from the hydraulic chamber via the lower hydraulic line 32b in FIG. 3 39a flows into the hydraulic space 39b. The output shaft 41 of the piston 36 moving under the action of the spring 34 in the opening

FIG. 3 shows the schematic structure of the drive device 3. The drive device 3 has a preferably cylindrical housing 35 with an axially displaceable piston 36 tightly guided therein. The piston 36 divides the housing 35 into two hydraulic spaces 39a, 39b which correspond via hydraulic lines 32a, 32b and are filled with a suitable hydraulic medium. In the hydraulic chamber 39b on the right in FIG. 3, a helical spring 34 is arranged as an energy store. The helical spring 34 is supported at one end on the housing wall and at the other end on the piston 36. A gear meshing with a gear 45 is formed on an inner wall of the piston 36. An output shaft 41 mounted in the housing 35 engages in the interior of the piston 36 and is connected in a rotationally fixed manner to the gear wheel 45, so that the axial movement of the piston 36 is converted by the transmission into a rotary movement of the output shaft 41.

In the upper hydraulic line 32a in FIG. 3 is one of the electromechanical Drive motor driven pump 31 arranged. To the door wing 2 too close, the pump 31 is controlled by the control device 5 shown in FIG. 1 driven, whereupon they the hydraulic medium from the hydraulic chamber 39b in promotes the hydraulic space 39a. This increases the static pressure in the room 39a, and the piston 36 is moved axially against the force of the spring 34. The Spring 34 is elastically deformed while storing mechanical energy and the volume of the hydraulic space 39b is reduced. About the transmission of the piston 36, the output shaft 41 is in the Closing direction rotated. Through the rotationally fixedly connected to the closer shaft 41 A sliding arm 42 transmits a force in the closing direction to the door leaf 2. If the door leaf 2 is in the closed position, the piston 36 is in its in Figure 3 right end position, and the energy store 34 is charged.

The discharge of the energy store 34 is hydraulically damped by the Hydraulic medium from the hydraulic chamber via the lower hydraulic line 32b in FIG. 3 39a flows into the hydraulic space 39b. The output shaft 41 of the piston 36 moving under the action of the spring 34 in the opening direction rotated and thus the door leaf 2 opened. Will that be in the lower hydraulic line 32b arranged electrically switchable valve 33 of the holding device closed, the exchange of the hydraulic medium is prevented. The piston 36 can now due to the bilateral static pressure of the pressure spaces 39a, 39b do not move axially, and the door leaf 2 is held. The blocking of the Piston 36 and thus the door leaf 2 can be made in any axial position.

In versions modified from FIG. 3, the movement of the piston can 36 also by means of an electromechanical interaction with the piston 36 Locking device are blocked. In this case, e.g. a piezo actuator or a magnetostrictive element can be used.

In other versions, the door leaf 2 can be closed instead of the pump 31 a directly or via a gear cooperating with the piston 36 Electromechanical drive can be provided, wherein the drive is not self-locking is trained. The energy store 34 can also be another storage element have, e.g. Coil spring or gas spring.

List of reference numbers

1

Drive device

2nd

wing

3rd

Drive device

4th

casing

5

Control device

21

Frame

22

Tapes

23

Door lock

31

Electric motor, electromechanical pump

32a

hydraulic connecting line

32b

hydraulic connecting line

33

Holding device, valve

34

Energy storage, spring

35

cylinder

36

piston

37

Door opener

39a

hydraulic pressure chamber

39b

hydraulic pressure chamber

41

Closer shaft

42

Sliding arm

43

Glider

44

Slide rail

45

gear

51

Emergency button

52

Authorized switching device

53

electric wire

53a

flexible cable transition

54

motion detector

55

Safety sensor

56

Fire alarm

Claims (24)

Drive device (1) for a door or a window with a stationary frame and at least one rotating wing (2) mounted thereon
with a drive device (3) for opening and / or closing the rotary wing (2),
The drive device (3) has a drive motor (31) and an energy store (34) and the closing takes place exclusively under the action of the drive motor (31) and the opening preferably takes place exclusively under the action of the energy store (34),
wherein the energy store (34) is at least partially charged when it is closed and at least partially discharged when it is opened,
the energy store (34) being designed as part of an emergency opening device which opens the rotating wing (2) in an emergency, for example in the event of a power failure, in the event of a fire or in the event of panic
It is provided that an electrically switchable holding device (33) is provided for holding the rotating wing (2) in a closed position, the holding device (33) being releasable via an electrical signal both in normal operation and in an emergency, so that the rotating wing ( 2) can be brought into the open position. Drive device according to claim 1,
characterized in that the holding device (33) is arranged in the region of the drive device (3) and / or interacts with a component, preferably a functional part of the drive device (3). Drive device according to claim 1 or 2,
characterized in that the holding device (33) is arranged outside the drive device (3) and is supported on the rotating wing (2) or on the stationary frame (21), preferably between the rotating wing (2) and the stationary frame (21) without the drive device () being interposed. 3) acting. Drive device according to one of claims 1 to 3,
characterized in that the holding device (33) is designed to cooperate with the energy store (34). Drive device according to one of claims 1 to 4,
characterized in that the drive device (3) has an output shaft (41) and the holding device (33) is designed to cooperate with the output shaft (41). Drive device according to one of the preceding claims,
characterized in that the drive device (3) has a movable piston (36) and the holding device (33) is designed to cooperate with the movable piston (36). Drive device according to one of the preceding claims,
characterized in that the drive device (3) has a hydraulic damping device (32a, 32b) and the holding device (33) is designed to cooperate with the hydraulic damping device (32a, 32b). Drive device according to one of the preceding claims,
characterized in that the drive device (3) has a force-transmitting linkage (42) preferably coupled to an output shaft (41) of the drive motor (31), preferably sliding arm or scissor arm linkages, and the holding device (33) is designed to interact with the force-transmitting linkage (42) . Drive device according to one of the preceding claims,
An electrical locking device, preferably an electric door opener (37), is arranged in or on the fixed frame (21) and, in the closed position of the rotating leaf (2), interacts with a locking device on the rotating leaf (2), preferably a latch or door lock (23) for locking.
characterized in that the holding device (33) is arranged in the region of the locking device (37) and / or replaces it and / or is designed to interact with it. Drive device according to one of the preceding claims,
characterized in that the holding device (33) has an electromechanical locking element or a piezo element or a magnetostrictive element which is used to block the movement of the piston (36) and / or the linkage (42) and / or the energy store (34) and / or the output shaft (41) and / or the locking device (37). Drive device according to one of the preceding claims,
characterized in that the holding device (33) has an electrically switchable valve which interacts with the hydraulic damping device (32a, 32b) and is designed to block the discharge of the energy store (34) and / or the movement of the piston (36). Drive device according to one of the preceding claims,
characterized in that a control device (5) is provided which is designed to control the electromechanical drive motor (31) and / or the holding device (33). Drive device according to claim 12,
characterized in that the control device (5) has one sensor or a plurality of sensors, preferably a person detection sensor, for example a motion detector (54, 55) and / or a light barrier and / or a safety sensor, for example a fire detector (56). Drive device according to one of claims 12 or 13,
characterized in that the control device (5) has a manually operable switch, preferably a push button (51) for opening the rotary wing (2). Drive device according to one of claims 12 to 14,
characterized in that the control device (5) and / or the holding device (33) is or are designed such that the rotary wing (2) opens automatically in the event of a power failure and / or in the event of a fire and / or alarm. Drive device according to one of the preceding claims,
characterized in that the drive motor (31) is designed as an electromechanical drive motor and / or as a hydraulic pump. Drive device according to claim 16,
characterized in that the electromechanical drive motor (31) has a transmission device. Drive device according to claim 16 or 17,
characterized in that the electromechanical drive motor (31) and / or the gear device and / or the hydraulic pump is or are designed to be self-locking. Drive device according to claim 16 or 17,
characterized in that the electromechanical drive motor (31) and / or the transmission device and / or the hydraulic pump is or are designed to be self-locking. Drive device according to one of claims 16 to 19, preferably according to claim 19,
characterized in that a coupling device is provided which is designed to separate the non-positive connection of the drive motor (31) and / or the gear device and / or the hydraulic pump. Method for operating a drive device (1) for a rotating wing (2) of a door or a window,
A drive device (1) is used which has a drive device (3) with an electromechanical drive motor (31) and an energy store (34),
wherein in normal operation the opening of the rotating leaf (2) takes place under the action of the energy store (34) and the closing of the rotating leaf (2) takes place automatically via the electromechanical drive motor (31) and
wherein, in emergency operation, the opening of the rotary wing (2) is automatically controlled via the emergency button (51) and / or fire detector (56) under the action of the energy store (34) without a drive motor (31) and
wherein the energy store (34) is charged when the rotary wing (2) is closed and is at least partially discharged when the rotary wing (2) is opened. Method for operating a drive device according to claim 21,
characterized in that in normal operation the opening and / or closing of the rotating leaf (2) is controlled automatically, preferably via a person detection sensor (54) and / or light barrier. Method for operating a drive device according to claim 21 or 22,
characterized in that the rotary wing (2) is held in a closed position by an electrically switchable holding device (33). Method for operating a drive device according to one of claims 21 to 23,
characterized in that the electrically switchable holding device (33) is released both in normal operation and in an emergency via an electrical signal, so that the rotating wing (2) can be brought into the open position.

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