EP2602408B1 - Verfahren zum Betreiben eines elektrischen Türöffners, sowie elektrischer Türöffner - Google Patents

Verfahren zum Betreiben eines elektrischen Türöffners, sowie elektrischer Türöffner Download PDF

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Publication number
EP2602408B1
EP2602408B1 EP12196090.0A EP12196090A EP2602408B1 EP 2602408 B1 EP2602408 B1 EP 2602408B1 EP 12196090 A EP12196090 A EP 12196090A EP 2602408 B1 EP2602408 B1 EP 2602408B1
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EP
European Patent Office
Prior art keywords
llz
detachment
duration
electromagnet
llz1
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.)
Active
Application number
EP12196090.0A
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German (de)
English (en)
French (fr)
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EP2602408A3 (de
EP2602408A2 (de
Inventor
Dieter Kuchenbecker
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.)
Assa Abloy Sicherheitstechnik GmbH
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Assa Abloy Sicherheitstechnik GmbH
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Application filed by Assa Abloy Sicherheitstechnik GmbH filed Critical Assa Abloy Sicherheitstechnik GmbH
Publication of EP2602408A2 publication Critical patent/EP2602408A2/de
Publication of EP2602408A3 publication Critical patent/EP2602408A3/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0046—Electric or magnetic means in the striker or on the frame; Operating or controlling the striker plate
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0057—Feeding
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0072—Operation
    • E05B2047/0073—Current to unlock only

Definitions

  • the invention relates to a method for operating an electric door opener and an electric door opener.
  • the electric door opener is intended to comprise a locking body which is displaceable by a solenoid from a locking position to a release position.
  • the locking body is a door latch which can be blocked by a locking element.
  • the locking element can be made under the action of an electromagnetic field of the electromagnet, so if current flows through the electromagnet, not to block the door trap further.
  • Circuits are known with the aid of which the amplitude of the current flowing through the electromagnet (ie its current intensity) can be determined by pulse width modulation.
  • pulse width modulation the length of a pulse is small in relation to the rise time or decay time of a current excited in the electromagnet. If one fixes the duration of a pulse and the following break and repeats pulses and pauses of this length accordingly often, one can adjust the current strength over the pulse-pause ratio.
  • Doors are different preloads for each door due to inaccurate door installation, the door seal, the weight of the door leaf, wind pressure u. v. At the.
  • An object of the invention is therefore to provide a reliable opening of a door by means of an electric door opener.
  • the object is achieved in a first aspect by a method for operating an electric door opener, which has an electromagnet, which is a switching of a locking body from a blocking position in causes a release position when current flows through the electromagnet, according to the invention, the flow of current across the electromagnet during at least two release periods, which are interrupted by a break in which no current flows through the electromagnet, is effected.
  • the current value of the current is set to an effective release value by adjusting the ratio of a pulse duration of voltage pulses applied to the solenoid to the duration of a pulse pause during which the voltage is not applied.
  • the release value is called effective because the voltage and the resistance per se, a larger current would be possible, but this does not set effectively due to the pulsation.
  • the pulse duration and pulse pause duration is kept constant in the invention during the release period, and the pause between two release periods is greater than a pulse pause.
  • the object is achieved in a second aspect by a method for operating an electric door opener having an electromagnet, which causes a locking body to move from a blocking position to a release position when current flows through the electromagnet, according to the invention, the flow of current through the Electromagnets is effected during at least two detachment periods, which are interrupted by a pause in which no current flows through the electromagnet, wherein the current intensity by adjusting the ratio of a pulse duration applied to the electromagnet voltage pulses to the duration of a pulse pause, during the tension is not applied is set to at least one release value, and wherein each pause between two release periods by at least five times, preferably at least twenty times, more preferably at least fifty times, all more preferably at least thousand times greater than a pulse pause.
  • the object can be achieved by a method for operating an electric door opener which has an electromagnet, which causes a locking body to move from a blocking position to a release position when current flows through the electromagnet, according to the invention the flow of current with a first (effective) Amount of current is caused across the electromagnet during at least two detachment periods, which are interrupted by a break in which no current flows through the electromagnet, and then (in particular immediately after the last release period) causing the flow of current a second (effective) amperage less than the first amperage across the solenoid during at least one hold period.
  • the detachment periods serve to reliably ensure that the locking body is brought into the release position by a detaching process.
  • mechanical elements can move in a structure of an electromagnetic field by an electromagnet in motion, but the movement can be stopped by friction due to a preload on the door. Such elements stay stuck halfway.
  • these elements can each again set in motion again and thus be moved so that the path to be traversed for the desired switching is completely completed.
  • the noise generated by the door opener during operation is as low as possible.
  • This is ensured according to a preferred embodiment of the method according to the invention in that the duration of at least one of the detachment periods and / or at least one pause between two release periods is set by an operator.
  • a distinction is made between at least two modes that the operator can select: one mode is selected when the preload is rather low, the other when the preload is rather high. Especially with a moving at each release period only over a section of a total to be traversed path elements causes a higher preload an earlier stopping the movement, so the passage of only a smaller distance.
  • the detachment value can easily fluctuate by a fixed value. So that the release value is set particularly firmly, and thus ensures a particularly low noise, it can be provided in the second and third aspect of the invention that the pulse duration and pulse pause duration are kept constant during the detachment period. In this aspect, the method is also particularly easy to carry out.
  • pulses with a frequency of more than 16 kHz, and preferably more than 24 kHz are emitted during the release period.
  • the limits mentioned are the hearing thresholds of an adult or a child. If, for example, one chooses a frequency of between 25 and 80 kHz, preferably between 30 and 50 kHz, then the energization of the electromagnet is inaudible to a user for whom the door is to be opened. For non-constant pulse durations, it is preferable to choose a frequency of more than 30,000 pulses per second.
  • the pulse duration of the individual pulses is preferably smaller by a factor of at least 50 than typical time periods which are predetermined by the electromagnetic properties of the electromagnet, for example the time interval in which the current intensity halves after the application of a voltage.
  • the individual resolution of the pulses is of secondary importance, and preferably at least 50, preferably at least 250, and more preferably at least 1000 pulses per release period are dispensed. Because of the constancy of the pulse duration and pulse pause duration you can in this way reliably set the current to the desired value.
  • the magnitude of the voltage pulses may also influence the pulse duration or pulse pause duration, so that one is independent of the input voltage.
  • At least two release periods and at most twenty release periods are passed through for a total period of between 0.2 and 10 seconds, preferably between 0.3 and 5 seconds, more preferably not more than ten release periods per second.
  • the user for whom the door is to be opened thus hardly noticed, possibly at a clack that the solenoid for such longer periods of preferably below a frequency of 10 Hz is driven, and because the underlying voltage pulses have a frequency above the threshold of hearing , he also does not hear the occurrence of the predetermined by the detachment period pulses.
  • each pause between two release periods lasts longer than 15 ms, preferably longer than 50 ms and particularly preferably longer than 100 ms.
  • the input voltage can be more or less directly applied to a series circuit of the electromagnet and a switch, in particular a transistor, and then it is more or less the Input voltage minus the transistor voltage itself, which is applied to the electromagnet. So that one is independent of the level of the input voltage, one can now simply vary the pulse duration and / or pulse pause duration so that the same release value always results independently of the input voltage as effective (so-called effective) current intensity.
  • the invention is associated with the first aspect also solved by an electric door opener, which also has a locking body and an associated electromagnet, and according to the invention a control device is provided, which is designed (such as a data processing device, such as processor is suitably programmed) to cause the electromagnet to act on a plurality of voltage pulses in disengaging time periods, wherein in the disengaging periods the plurality of voltage pulses are of equal pulse duration and are delivered with equal pulse pause duration of a pulse interval between the pulses, and the controller is further adapted to inhibit the application of the electromagnet in a time interval between two release periods, which is greater than a pulse pause.
  • a control device is provided, which is designed (such as a data processing device, such as processor is suitably programmed) to cause the electromagnet to act on a plurality of voltage pulses in disengaging time periods, wherein in the disengaging periods the plurality of voltage pulses are of equal pulse duration and are delivered with equal pulse pause duration of a pulse interval between the pulses
  • the invention is associated with the second aspect of the invention also solved by an electric door opener having a locking body and an associated therewith electromagnet, and according to the invention a control device is provided, which is designed (such as a data processing device such as processor is suitably programmed) to cause actuation of the electromagnet with a plurality of voltage pulses in detachment periods, and the control device is further adapted to subjecting the Electromagnet in a period between two detachment periods, which is at least five times, preferably at least twenty times, more preferably at least fifty times greater than the largest pulse break to prevent.
  • a control device is provided, which is designed (such as a data processing device such as processor is suitably programmed) to cause actuation of the electromagnet with a plurality of voltage pulses in detachment periods, and the control device is further adapted to subjecting the Electromagnet in a period between two detachment periods, which is at least five times, preferably at least twenty times, more preferably at least fifty times greater than the largest
  • the invention can be achieved by a door opener which has a locking body and an electromagnet associated therewith, and according to the invention a control device is provided which is designed (for example as a data processing device, such as processor suitably programmed) one in series with the electromagnet switched transistor such that the flow of current is effected with a first (effective) current through the electromagnet during at least two detachment periods, which are interrupted by a pause, in which no current flows through the electromagnet, and which is designed then, in particular immediately after the last release period, the flow of current with a second (effective) current intensity, which is smaller than the first current, to effect via the electromagnet.
  • a control device is provided which is designed (for example as a data processing device, such as processor suitably programmed) one in series with the electromagnet switched transistor such that the flow of current is effected with a first (effective) current through the electromagnet during at least two detachment periods, which are interrupted by a pause, in which no current flows through the electro
  • the electric door opener preferably has an adjusting device for switching between at least two modes, which differ from one another in the duration of at least one release period and / or a break between two release periods.
  • a Users on the electric door opener ensure that the opening process of each applied preload ideally takes into account.
  • control device and an associated switching arrangement are each preferably designed such that they act on the electromagnet with square-wave pulses having a voltage level, and preferably have a device for determining the level of an input voltage specifying the voltage level and for supplying a measured value to be determined concerning the voltage level to the control device.
  • control device is in turn designed such that it determines the pulse duration of the voltage pulses and / or the pulse pause duration between the voltage pulses in a detaching time interval as a function of the supplied measured value.
  • the door opener is therefore universally connectable to systems of different input voltage.
  • An electric door opener has an electromagnet, which in the diagram according to FIG. 1 is symbolized by a coil (Sp), to which a diode D1 is connected in parallel. If the coil (Sp) is energized (ie energized), then the electromagnet causes a not shown in the figures locking element such. B. a door latch is moved to an unlocked position and the door is opened.
  • Sp coil
  • D1 diode
  • the loading of the coil Sp with this voltage takes place under the control of a microcontroller unit .mu.C.
  • the microcontroller unit ⁇ C controls the gate G of a transistor Tr and thus causes the drop of an input voltage U in over the entirety of the coil Sp with the parallel diode D1, the transistor Tr and a voltage sensor with a resistor, R.
  • the input voltage U in is based on rectification of an operating voltage U B , which according to the curve 10 from FIG. 2 an alternating voltage is, forth.
  • the input voltage U in is in FIG. 3 drawn, see the curve 12. (Alternatively, a DC voltage could be applied from the outside.)
  • the microcontroller unit .mu.C is supplied with its operating voltage by the voltage regulator unit SR.
  • a voltage sensor SSn measures the input voltage U in and supplies a measured value via an input E2 to the microcontroller .mu.C.
  • the microcontroller ⁇ C now knows the input voltage U in and can drive the gate G of the transistor Tr so that a desired envelope in the manner of in Figure 4B and Figure 5B shown envelope U H results.
  • the gate G is in this case driven at a frequency above the threshold of hearing, for example of 31 kHz.
  • FIG. 4A the individual voltage pulses P1, P2 are shown, wherein for reasons of representability, the total number of pulses P1, P2 shown is smaller than actually implemented.
  • a single pulse has a duration of between 8 and 32 ⁇ s, which is substantially less than, for example, the typical rise time and the typical decay time of the coil Sp.
  • the gate G is driven with the voltage U P, one only or at most slightly fluctuating current, to which an effective current can be assigned, and thus also the effective voltage U H ;
  • their height is dependent on the ratio of the time duration t 1 to t 2 and t 3 to t 4 .
  • the longer the duration of the pulses in relation to the pause the higher the voltage U H , that is smaller in the phase Ph2 than in the phase Ph1.
  • the time periods are present in addition to their dependence on the target voltage level and of the height of the input voltage U in dependent to be independent of the power supply. This level of input voltage is communicated by the voltmeter SSn.
  • the procedure in the present case is that in the phase Ph1, in which the current strength is higher is high, a first release period LLZ1 is run through, after the control of the gate G is interrupted by the microcontroller .mu.C, so after a break of about the same duration as the release period LLZ1 occurs. Subsequently, a go through the second release period LLZ2 before the microcontroller reduces the pulse duration t 1 to the pulse duration t 3 .
  • the solenoid is energized.
  • An element can be made to spend the locking body in its unlocked position. This element must, for example, a certain way of z. B. 1 mm cover.
  • the element is set in motion, but does not move the entire distance of the example 1 mm, but for example only 60% of this distance, about 0.6 mm.
  • the said element can then move to the target position as a whole, moving 60% at a time, so that there is a high probability that the door will actually be opened.
  • the FIGS. 4A and 4B selected number of two release periods LLZ1, LLZ2 matches a small preload that is on the door and must be overcome when opening the door. In a subsequent holding period HZ, the door is kept open.
  • a switch Sch which causes a setting state of the switch Sch can be detected at an input E3 of the microcontroller.
  • a user can set by pressing the switch Sch how many release periods should be run through. He can do so from the in FIG. 4A and in FIG. 4B change situation to approximately the in FIG. 5A and FIG. 5B
  • the microcontroller .mu.C controls the gate G of the transistor Tr in such a way that more than two release periods LLZ'1, LLZ'2, LLZ'3, LLZ'4 are passed through FIG.
  • the second mode may be traversed up to twenty, but preferably less than fifteen and more than three, release periods.
  • the duration of the phase Ph1 in the embodiment is the same for both modes, except that the phase Ph1 is divided into shorter release periods LLZ'1 etc. with pauses therebetween. It may equally well be provided that phase Ph1 is extended somewhat as the number of detachment periods increases; however, the duration of each redemption period can still be reduced.
  • the two modes can also differ only in the number of equal release periods.
  • the background of the possibility of switching at the switch Sch is that a larger preload on the door may require a larger number of attempts to disengage the door or the locking body. If you want to ensure a reliable preload for a reliable opening of the door, it is recommended to move the switch Sch in such a position in which the number of detachment periods is rather high, with smaller preloads one comes with a low detachment Time out. A moving element will tend to move in smaller increments at higher preloads and thus higher friction, so that a higher number of detachment periods will be necessary to overcome the total distance. The noise increases with the number of release periods, so that at low preload, you should prefer to enter the first mode with only two release periods.
  • the frequency of the clocking remains constant, and during the holding period it preferably remains the same as the previously set frequency. This frequency can be above the hearing threshold, so that the pulse width modulation for the user is not recognizable. The user only recognizes a click at each release period.

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  • Lock And Its Accessories (AREA)
EP12196090.0A 2011-12-09 2012-12-07 Verfahren zum Betreiben eines elektrischen Türöffners, sowie elektrischer Türöffner Active EP2602408B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011121702.2A DE102011121702C5 (de) 2011-12-09 2011-12-09 Verfahren zum Betreiben eines elektrischen Türöffners, sowie elektrischer Türöffner

Publications (3)

Publication Number Publication Date
EP2602408A2 EP2602408A2 (de) 2013-06-12
EP2602408A3 EP2602408A3 (de) 2014-04-30
EP2602408B1 true EP2602408B1 (de) 2016-08-03

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ID=47294782

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EP12196090.0A Active EP2602408B1 (de) 2011-12-09 2012-12-07 Verfahren zum Betreiben eines elektrischen Türöffners, sowie elektrischer Türöffner

Country Status (4)

Country Link
EP (1) EP2602408B1 (pl)
DE (2) DE102011121702C5 (pl)
ES (1) ES2600923T3 (pl)
PL (1) PL2602408T3 (pl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK178090B1 (da) * 2013-10-22 2015-05-11 Bekey As Elektrisk slutblik-system
DE102014209113A1 (de) * 2014-05-14 2015-11-19 BSH Hausgeräte GmbH Verriegelungseinrichtung zum Verriegeln einer Tür eines Haushaltsgeräts, Haushaltsgerät und entsprechendes Verfahren
ES2575827B1 (es) * 2014-12-30 2017-01-25 Openers & Closers, S.L. Circuito electrónico de alimentación aplicable en abrepuertas eléctricos
DE102021109154A1 (de) 2021-04-13 2022-10-13 Assa Abloy Sicherheitstechnik Gmbh Steuervorrichtung für elektrische Verriegelungsvorrichtungen einer Türe

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
DE266254C (pl) *
DE231025C (pl) *
US610188A (en) * 1898-09-06 Soda-water apparatus
US4878147A (en) * 1987-08-05 1989-10-31 Kabushiki Kaisha Toshiba Electromagnetic coil drive device
US4797779A (en) * 1987-10-05 1989-01-10 Folger Adam Company Pulsed power supply
US6611414B1 (en) * 1996-08-30 2003-08-26 Harrow Products, Inc. Control system for electromagnetic lock
DE19856624C2 (de) * 1998-12-08 2003-05-15 Fuss Fritz Gmbh & Co Elektrischer Türöffner
US6108188A (en) * 1999-01-15 2000-08-22 Micro Enhanced Technology Electronic locking system with an access-control solenoid
DE19951463A1 (de) * 1999-10-26 2001-05-03 Kiekert Ag Kraftfahrzeugtürverschluß
DE10116571B4 (de) * 2001-04-03 2004-02-12 Ist Systems Gmbh Arbeitsstromtüröffner
DE10300828C5 (de) * 2003-01-10 2009-06-10 Dorma Gmbh + Co. Kg Ansteuerung für einen mit Gleichstrom betriebenen Türöffner und Verfahren zur Ansteuerung eines mit Gleichstrom betriebenen Türöffners
AU2005272235A1 (en) * 2004-08-10 2006-02-16 Ingersoll-Rand Architectural Hardware Limited Electrical lock actuable by variable current and/or variable voltage
DE102005001319B4 (de) * 2005-01-11 2008-09-11 Dorma Gmbh + Co. Kg Elektrischer Türöffner
DE102006001478B4 (de) * 2006-01-11 2008-06-26 Assa Abloy Sicherheitstechnik Gmbh Türöffnersystem
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FI121281B (fi) * 2007-11-20 2010-09-15 Abloy Oy Sähkömekaanisen lukon solenoidin ohjain

Also Published As

Publication number Publication date
PL2602408T3 (pl) 2017-01-31
ES2600923T3 (es) 2017-02-13
EP2602408A3 (de) 2014-04-30
DE102011121702B4 (de) 2014-06-05
DE102011121702C5 (de) 2016-08-11
EP2602408A2 (de) 2013-06-12
DE102011121702A1 (de) 2013-06-13
DE202012013337U1 (de) 2016-06-09

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