EP4476422A1 - VERFAHREN ZUR AUTOMATISCHEN EINSTELLUNG EINER HALTEKRAFT EINES TÜRSCHLIEßERS UND TÜRSCHLIEßER FÜR EINE TÜR - Google Patents
VERFAHREN ZUR AUTOMATISCHEN EINSTELLUNG EINER HALTEKRAFT EINES TÜRSCHLIEßERS UND TÜRSCHLIEßER FÜR EINE TÜRInfo
- Publication number
- EP4476422A1 EP4476422A1 EP23701385.9A EP23701385A EP4476422A1 EP 4476422 A1 EP4476422 A1 EP 4476422A1 EP 23701385 A EP23701385 A EP 23701385A EP 4476422 A1 EP4476422 A1 EP 4476422A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- force
- holding force
- locking device
- actuator
- 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
Links
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
- 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
-
- 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
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/63—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms
- E05F2015/631—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms the end of the arm sliding in a track; Slider arms therefor
-
- 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
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/25—Mechanical means for force or torque adjustment therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Definitions
- the invention relates to a method for automatically setting a holding force of a door closer and a door closer for a door.
- Such door closers are usually mounted on the door leaf in the usual manner and connected to the frame via a linkage in order to be able to exert a force on the door.
- the linkage can, for example, have a sliding rail in which a sliding block is arranged so that it can be displaced linearly.
- the lever of the door closer is connected to the sliding block at one end and exerts a closing force on the door leaf.
- Locking devices for door closers are often arranged in the linkage of the door closer.
- the hold-open device locks the linear movement of the slide block, locking the door.
- the hold-open device To close the door, the hold-open device must be pushed over so that the holding force of the hold-open device is overcome.
- electrical locking devices the door can alternatively be released using a manual button.
- the hold-open device Depending on the set closing force of the door closer, the hold-open device must be set stronger or weaker so that the door is held in place. If the force required to overcome the hold-open is too high, the door can no longer be released manually from the hold-open, meaning that components can be damaged. If the force is too low, the closing force of the door closer or a small gust of wind can undesirably release the door from the hold-open device.
- the holding force of the locking device is usually set manually during assembly. In practice, the holding force is therefore set "by feel", which means that many locking devices are not set correctly and therefore do not work correctly. It is an object of the present invention to propose a method for automatically setting a holding force of a door closer and a door closer for a door with which automatic and precise setting of the holding force is possible.
- the method according to the invention serves to automatically adjust a holding force of a door closer for a door, in particular a revolving door.
- the door closer is designed to close the door by applying a closing force and has a locking device, which can be loaded with the holding force, for locking the door against the closing force in a holding position.
- the procedure includes the following steps:
- the method is therefore carried out automatically by the door closer, in particular a control device of the door closer, without a manual adjustment of the holding force being required.
- the door closer may have previously been placed in a calibration mode in which the method is performed.
- the method makes it possible to set the holding force very precisely so that the door does not close unintentionally when it is actually supposed to remain in the hold-open device, but on the other hand it does not have to be pushed out of the hold-open device with massive force to close it, so that possible- components can be damaged.
- this represents a very convenient way of setting the holding force during commissioning.
- the holding force is preferably set to an initial holding force at which the locking device locks the door, and the holding force is then reduced, in particular stepwise, until the locking device releases the closing movement of the door due to the closing force.
- the initial holding force is initially chosen so high that the locking device locks the door on which the closing force acts. If the holding force is now reduced starting from the initial holding force and as a result of this the closing movement is released at a certain point in time, the holding force present at this point in time can be determined. This corresponds to the release force
- the initial holding force can correspond, for example, to a maximum holding force, ie in particular to the highest possible holding force that the locking device can apply.
- the normal operation holding force can be calculated by adding a predetermined over-pressing force to the release force.
- the holding force during normal operation is greater than the release force, so that the door leaf can be held securely in the holding position during normal operation.
- the overpressing force can also be seen as a (safety) buffer.
- the overpressing force can be a constant value or dependent on the door size and/or the closing force. For example, a predetermined force can always be added to the release force. Alternatively, it may be that the overpressing force is based on the dimensions of the door, so that the overpressing force, i.e. the buffer so to speak, is comparatively large, especially with a large or heavy door or with a high closing force, and with a small and light door or a low closing force, the overpressing force is selected to be comparatively small.
- the method can be initiated by actuating a button provided on the door closer, in particular on the control device, or by means of a wired or wireless network connection, for example LAN, WLAN or Bluetooth.
- the control device is preferably set to the calibration mode as a result of the initiation and the method is then carried out fully automatically.
- the holding force is preferably provided by an electrically controllable actuator.
- the control is carried out in particular by the control device.
- the actuator can in particular be a holding magnet or an electromagnet, although other actuators can also be provided in principle, for example an electric motor.
- the voltage applied to the actuator and/or the current intensity fed into the actuator can be reduced.
- the locking device is adjusted from a locking position, in particular in which a sliding block of the door closer coupled to the door is locked, into a release position, in particular in which the sliding block is released.
- the locking device can be held in the locked position by the actuator, for example magnetically, and can be moved into the release position due to the closing force against the action of the actuator.
- the release force it can be detected, in particular based on a position and/or a state of an electrically controllable actuator providing the holding force, or of the locking device, when the locking device has released the door.
- an electrically controllable actuator providing the holding force, or of the locking device
- the locking device can tear away from the actuator against the magnetic force, so that a voltage peak arises is detected by the actuator or the control device.
- the actuator is in the form of an electric motor
- the locking device can be connected to a motor shaft of the electric motor, for example via a rack or pinion, so that the release of the door can be detected by the locking device, since this is via the rack or the crack! a detectable rotation of the Motorwelte takes place.
- the detection it would be conceivable for the detection to take place by means of a micro switch, which is actuated or released when the door is released, for example by the locking device.
- the door closer according to the invention for a door is designed to close the door by applying a closing force and has a locking device for locking the door against the closing force, an actuator for applying a holding force to the locking device and a control device for controlling the actuator up.
- the control device is designed to carry out the previously described method for automatically setting the holding force of the door closer in a calibration mode.
- the control device is supplied with power, for example via a building power supply system or alternatively via a rechargeable battery or a battery, and itself supplies the actuator with power, which provides the holding force.
- the control device controls or regulates the holding force of the actuator. This can be implemented using voltage regulation, pulse width modulation or similar methods.
- the holding force for example, the voltage applied to the actuator and/or the current intensity fed into the actuator can be reduced.
- increasing the voltage and/or the current leads to a higher holding force.
- the control device is preferably designed to monitor a release state of the locking device in a normal operating mode. This means that the control device detects when the locking device has released the door. For example, in an actuator as an electromagnet or Holding magnet is formed, tear the locking device from the actuator against the magnetic force, so that a voltage spike occurs, which is detected by the actuator or the control device.
- the actuator is designed as an electric motor
- the locking device can be connected to a motor shaft of the electric motor, for example via a rack or a pinion, so that the release of the door can be detected by the locking device, since the rack or the Pinion a detectable rotation of the motor shaft takes place.
- the detection it would be conceivable for the detection to take place by means of a micro switch, which is actuated or released when the door is released, for example by the locking device.
- control device is designed to activate a power-saving mode in which the actuator applies no or only a reduced holding force to the locking device when the control device detects that the locking device has released the door.
- the power-saving mode is preferably activated when it has also been detected that the door is closed. In this state, it is not necessary to apply a holding force, so the power saving mode can be activated to save power. This is particularly useful when the control device and the actuator are powered by a battery or an accumulator.
- the control device can have a button and/or be connected to a network by cable or wirelessly, for example by means of LAN, WLAN or Bluetooth.
- the button can be designed to switch the control device to the calibration mode and/or to initiate the method for automatically setting the holding force.
- FIG. 1 shows a side view of a slide rail with a sliding block which is held by a locking device which is in a locking position
- FIG. 2 shows a side view of the slide rail and the slide block from FIG. 1, the slide block having been released by the locking device which is in a release position, and
- Figure 3 is a side view of the slide and slide block of Figures 1 and 2, with the slide block being moved back into detent.
- 1, 2 and 3 each show a slide rail 23 of a door closer 10 with a sliding block 19 arranged to be movable along the slide rail 23, a locking device 11 designed as a blocking element, an actuator 13 which is designed as an electromagnet in the present exemplary embodiment, and a control device 15.
- the sliding block 19 is connected to a lever of the door closer (not shown in the figures).
- the control device 15 is connected to a wired or wireless network, for example LAN, WLAN or Bluetooth, via a network connection 21 indicated by dashed lines in FIGS powered.
- the control device 15 is provided with a button 17 which, as indicated in FIG. 1, can be actuated by pressing.
- the actuator 13 is connected to the control device 15 in order to enable the actuator 13 to be supplied with power and to enable the actuator 13 to be controlled or regulated by the control device 15 .
- the actuator 13 in the present exemplary embodiment is designed as an electromagnet or as a holding magnet.
- the locking device 11 is designed as a blocking element made of a particularly magnetic material, has two free ends 11a, 11b and is located at one end between the free ends 11a, 11b Ends 11a, 11b arranged bearing point 25 rotatably mounted on the slide rail 23 by a rotary joint.
- One of the free ends 11a is assigned to the actuator 13, while the locking device 11 has a projection 27 on the other free end 11b which interacts with the sliding block 19 in order to block a movement of the sliding block 19.
- the projection 27 has a steep flank 27a and a flat flank 27b.
- the door is first opened beyond a holding position in which the door or the door leaf is to be held. Then, by pressing the button 17 or via the network connection 21, the control device 15 is put into a calibration mode and the automatic method is started.
- the calibration mode and the method with a time delay, ie first the button 17 is actuated or the signal is sent via the network, then the door is opened beyond the stop position and after a predetermined period of time or after driving over the blocking element in the opening direction, the calibration mode is activated and the process is initiated.
- the control device 15 first controls the actuator 13 in order to apply an initial holding force to the locking device 11, which in the present example corresponds to a maximum achievable holding force. This can be done in particular by increasing the voltage applied to the actuator 13 or the current intensity fed into the actuator 13, for example by voltage regulation or pulse width modulation, in order to adjust the holding force. This increases the magnetic force that holds the blocking element 11 in the locking position shown in FIG 23 protrudes and the movement of the sliding block 19 inhibits. The control device 15 then gradually reduces the holding force, i.e. it reduces the voltage applied to the actuator 13 or the current intensity fed into the actuator 13, until the locking device 11 is transferred to a release position shown in FIG 19, and thus the closing movement of the door, is released due to the closing force. As shown in Fig.
- the sliding block 19 presses against the flank 27a of the projection 27 due to the closing force of the door closer 10 and thereby generates an upward force on the free end 11b of the locking device 11 and thus in the bearing point 25 attacking torque that counteracts the moment generated by the force of the actuator 13.
- the control device 15 recognizes this and determines and stores the holding force of the actuator 13 that is present at that moment, which is subsequently referred to as the "release force More precisely, the control device 15 stores a voltage or current value, a parameter for the pulse width modulation or a similar parameter, which corresponds to the release force.
- the control device 15 can detect the tearing off due to a voltage spike , which occurs when the free end 11a tears away from the actuator 13.
- the control device 15 sets the holding force to a normal operating holding force, which is applied by the actuator 13 in regular operation.
- the normal operating holding force is calculated in particular by adding a predetermined overpressing force, which can either be a constant value or a value dependent on the dimensions of the door system, to the release force. Since large doors offer more surface area to attack against the wind, it may be necessary to adjust the overpressing force depending on the size of the door. With large doors, higher closing forces are usually set on the door closer. In this way, the door closer 10 can be optimally and fully automatically set for normal operation, corresponding to a normal operating mode, and for the next locking processes, so that damage to components is avoided and, on the other hand, the door is not undesirably released from the locking position .
- the control device 15 can also monitor the release state of the locking device 11 .
- the control device 15 can be provided with lighting, for example an LED, and/or emit acoustic signals which indicate the determination or the release state.
- the control device 15 can switch to a power-saving mode in which the actuator 13 applies no or only a very reduced holding force to the locking device 11 .
- to activate the power saving mode it can also be monitored whether the door is closed. If the control device 15 is in power-saving mode, the door is then opened again and the sliding block 19 thereby moves the locking device 11, as shown in Fig. 3, the control device 15 recognizes this and activates the normal operating mode again, in which the normal operating holding force is applied.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022201473.1A DE102022201473A1 (de) | 2022-02-11 | 2022-02-11 | Verfahren zur automatischen Einstellung einer Haltekraft eines Türschließers und Türschließer für eine Tür |
| PCT/EP2023/051200 WO2023151915A1 (de) | 2022-02-11 | 2023-01-19 | VERFAHREN ZUR AUTOMATISCHEN EINSTELLUNG EINER HALTEKRAFT EINES TÜRSCHLIEßERS UND TÜRSCHLIEßER FÜR EINE TÜR |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4476422A1 true EP4476422A1 (de) | 2024-12-18 |
| EP4476422B1 EP4476422B1 (de) | 2026-04-15 |
Family
ID=85036172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23701385.9A Active EP4476422B1 (de) | 2022-02-11 | 2023-01-19 | Verfahren zur automatischen einstellung einer haltekraft eines türschliessers und türschliesser für eine tür |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4476422B1 (de) |
| DE (1) | DE102022201473A1 (de) |
| WO (1) | WO2023151915A1 (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6499185B1 (en) * | 2000-10-30 | 2002-12-31 | Dorma Door Controls, Inc | Apparatus for holding a door open |
| DE102005020997B4 (de) * | 2005-05-03 | 2010-04-01 | Dorma Gmbh + Co. Kg | Feststellvorrichtung für einen Drehflügel einer Tür |
| DE102010061246A1 (de) * | 2010-05-05 | 2011-11-10 | Dorma Gmbh & Co Kg | Verriegelungs- bzw. Feststellanlage für eine Flügelanlage |
-
2022
- 2022-02-11 DE DE102022201473.1A patent/DE102022201473A1/de active Pending
-
2023
- 2023-01-19 WO PCT/EP2023/051200 patent/WO2023151915A1/de not_active Ceased
- 2023-01-19 EP EP23701385.9A patent/EP4476422B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4476422B1 (de) | 2026-04-15 |
| DE102022201473A1 (de) | 2023-08-17 |
| WO2023151915A1 (de) | 2023-08-17 |
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