EP0330828B1 - Device for electrically powering door locks - Google Patents

Device for electrically powering door locks Download PDF

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Publication number
EP0330828B1
EP0330828B1 EP89101061A EP89101061A EP0330828B1 EP 0330828 B1 EP0330828 B1 EP 0330828B1 EP 89101061 A EP89101061 A EP 89101061A EP 89101061 A EP89101061 A EP 89101061A EP 0330828 B1 EP0330828 B1 EP 0330828B1
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EP
European Patent Office
Prior art keywords
door
lock
key
charging device
locks
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.)
Expired - Lifetime
Application number
EP89101061A
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German (de)
French (fr)
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EP0330828A1 (en
Inventor
Klaus Stösser
Edgar Schulenberg
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.)
BKS GmbH
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BKS GmbH
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Priority to AT89101061T priority Critical patent/ATE82612T1/en
Publication of EP0330828A1 publication Critical patent/EP0330828A1/en
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Publication of EP0330828B1 publication Critical patent/EP0330828B1/en
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00634—Power supply for the lock
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00777—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by induction

Definitions

  • the invention relates to a device for the electrical energy supply of locks mounted on door leaves, which are provided with an electromagnetic lock which blocks when there is no current, a power source which supplies them and a control circuit which can be actuated by a key, in particular for an exchangeable battery which can be actuated with electronically-mechanically coded keys Operable electronic cylinder locks.
  • the electromagnetic guard locking is robbed of its actual meaning, namely to serve as an additional safeguard for purely mechanical locking.
  • the invention has for its object to provide a device of the type mentioned, which nevertheless enables the lock's own power source to fail to bring the electromagnetic guard locking from its blocking to the unblocking state without having to rely on cumbersome additional power supply lines which are prone to failure.
  • an emergency power supply device which is accommodated for a short time in a contactless manner in the lock in the lock in addition to its power supply, via a receiving antenna arranged on the outside of the door in the door lock area and there is a charging device which can be temporarily attached to the outside of the door and has a correspondingly located transmitting antenna.
  • the auxiliary power source housed in the castle advantageously consists of a capacitor with a high charging capacity connected downstream of the receiver antenna via a rectifier and which can be connected in parallel with the replaceable battery.
  • a particularly favorable design of the emergency power supply device can be used in those door locks in which, according to or DE-A-35 00 353, transmitting and receiving antennas are arranged on the mutually facing end faces of a locking cylinder and an associated key provided with notches.
  • the charging device is advantageously provided with a holding key which is movable and electrically connected to it, and which can be inserted with its shaft into the locking cylinder and on its base has the transmitting antenna of the charger attached to it at the end.
  • Such a charging device can be handled extremely conveniently and conveniently attached to the outside of the door leaf with the aid of its holding key for the duration of charging the auxiliary power source present in the lock.
  • the notch incisions in the holding key differ from those of the actual key belonging to the locking cylinder, in particular they are of uniform depth. In this way it is ensured that the holding key is only inserted into the locking cylinder and secured there against unwanted axial sliding out, while the holding key cannot be rotated due to the continued blocking of the cylinder core.
  • the charger advantageously has a rechargeable power storage via a power connector, e.g. B. an accumulator or capacitor, so that it is ready for use at any time.
  • a power storage battery e.g. B. an accumulator or capacitor
  • the charging device expediently has a flashlight-like housing, on the outside of which a slide switch for switching the emergency power supply on and off and a signal transmitter, in particular a light-emitting diode, are provided which illuminate when the emergency power supply is switched on and z. B. emits a flashing light during the charging process and a steady light after the charging process has ended.
  • an electronic cylinder lock (not shown in more detail) is to be accommodated in the door leaf 1, which is provided with an electromagnetic tumbler which blocks when there is no current, a power source which supplies it and a control circuit which can be subjected to a key.
  • Its locking cylinder 3, which is guided through the external fitting 2, is provided with conventional pin tumblers which normally block the cylinder core 5, which is rotatably mounted in the round housing part 4 of the profile locking cylinder, and only release it for its rotation adjustment when a key provided with suitable notch incisions, i.e. a corresponding mechanical coding is inserted into the key channel of the cylinder core 5.
  • the profile locking cylinder 3 is also provided with the aforementioned electromagnetic tumbler, which consists, for example, of a locking pin which is mounted in a radially displaceable manner in the cylinder housing and on which, on the one hand, a spring which seeks to bring it into blocking engagement with the cylinder core 5 acts, but which on the other hand, when the electromagnet is energized against the aforementioned spring force, it is to be brought into the unlocked position, in which it releases the core 5 for rotation and thus allows the lock bolt to be closed via the locking thumbs present on the core.
  • the electromagnetic guard locking could also be installed in the lock itself.
  • a battery which is accommodated in the lock, preferably in the inside door fitting, serves to supply the electromagnetic tumbler with power.
  • the electronic control circuit which is also housed here, is conductively connected to a transmitting antenna 6, which is accommodated on the front side in the lock cylinder housing 4 and which is used for data exchange with the appropriate, mechanically and electronically coded key, which, like the mounting key 7 shown, has a key on its front corresponding antenna 8 is provided. The normal data exchange between the door lock and key takes place via these antennas 6, 8.
  • an emergency power supply device is provided according to the invention.
  • This consists of an auxiliary power source accommodated in the lock in addition to its power supply source, in particular a capacitor with a high charging capacity, which can be charged in a contactless manner via the antenna 6 arranged on the outside of the door, with the aid of the charging device 9 which can be temporarily attached to the outside of the door with its corresponding located transmission antenna 8.
  • This charging device 9 is movably connected to the holding key 7 via a holding clip 10, loop or the like.
  • the electrical connection between the antenna 8 present in the holder key 7 in its front and the charger 9 is made via the cable 11.
  • the holder key 7 is in its shaft 7 'with z. B. uniformly deep notch cuts 7 ⁇ , which in cooperation with the protruding into the key channel of the cylinder core 5 tumbler pins ensure that the key 7 can not easily slide out of it after its insertion into the key channel, but is held securely therein.
  • the charging device 9 contains the electrical circuit shown in principle in FIG. 2. These include a battery that supplies the emergency power energy, an accumulator or capacitor 12, which supplies the transmission antenna 8 with power via the oscillator 13.
  • the charger 9 has a flashlight-like housing 9 ', on the outside of which a slide switch 14 for switching the emergency power supply on and off and also a signal generator, in particular a light-emitting diode 15, are provided. This is switched in such a way that it lights up when the emergency power supply is switched on, expediently emitting a flashing light during the charging process and a steady light after it has ended. It is recommended to use the power source in the Charger 9 to use an accumulator or capacitor which can be charged or recharged via an approximately in its lower, to be covered by the removable housing cover 9 ⁇ space housed power connector.
  • the electrical circuit accommodated in the electronic cylinder lock can be of the type shown in FIG. 3. It has the common antenna 6 for data exchange with the appropriate mechanically and electronically coded key and also for receiving the emergency power supply from the charging device 9. The antenna 6 must therefore be switched over for receiving emergency energy and sending data, specifically by means of the switch 17 which can be actuated via the relay 16. If the electronic circuit in the cylinder lock is switched on by the appropriately coded key, the lock's own battery 18 operates via the decoupling point 19 and the circuit 20 energizes the relay 16, whereby the switch 17 reaches the switch position 17 'shown in broken lines, in which the antenna 6 is switched to data transmission.
  • the changeover switch 17 reaches the fully drawn switching position in which it connects the antenna 6 to the capacitor 21 via the rectifier 24, so that the latter Switch position by the charger 9, the capacitor 21 can be charged. If the latter has stored sufficient electricity, the circuit 20 is activated and the antenna 6 is switched over to data transmission.
  • the door lock can then be opened at least once by means of the appropriate key and then the exhausted battery 18 located on the inside of the door can be replaced by a new one.
  • FIG. 4 Another scheme for the door lock circuit is shown in Fig. 4.
  • Two different antennas 22, 23 are provided here for data transmission and emergency power supply.
  • the data transmission antenna 22 is normally supplied by the lock's own battery 18 or a corresponding current source via the coupling 19 and the circuit 20, while the antenna 23 charges the capacitor 21 for the energy supply by the charger 9 via the rectifier 24. If the actual power source 18 should also be exhausted here, the circuit 20 for data transmission via the antenna 22 can be activated via the capacitor 21 then to be charged and the electromagnetic tumbler present in the lock can be brought into its unlocked position at least once, so that here too the door can be opened again easily and the empty battery 18 can be replaced.
  • the capacitor for emergency power storage which is accommodated in the door lock, has a sufficiently high capacity so that the charging process by the charger 9 can be limited to a few minutes, in contrast to charging a rechargeable battery. It goes without saying that the capacitor charging, when the system's own energy supply from the battery 18 is switched off, also allows the electromagnetic lock that is present in the door lock to be actuated several times.
  • the emergency power supply device can also be used advantageously in door locks with a mains connection in order to be able to take action in the event of a mains power failure. Furthermore, it goes without saying that the transmitting and receiving antennas for the emergency power supply can also be arranged differently than shown, for example in the back of the holder key shaft and accordingly in the key channel of the locking cylinder 3.

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  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
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Abstract

In door locks which are provided with an electromagnetic tumbler which locks them in the currentless state, a current source supplying them and a control circuit which can be acted upon by keys, in particular also in electronic cylinder locks which can be activated with electromechanically encoded keys and operated by means of a replaceable battery, the door lock can no longer be correctly opened when the current source or the battery is unexpectedly exhausted. In order, nevertheless, to achieve this, an emergency power supply device is provided which consists of an auxiliary power source (21) accommodated in the lock (3) in addition to its power supply source (18) and briefly chargeable in a contactless manner by means of a reception aerial (6) arranged accessibly on the outside of the door in the door closing area and of a charging device (9) which can be temporarily attached to the outside of the door and has a correspondingly situated transmitting aerial (8). The charging device (9) is advantageously provided with a holding key (7) connected movably and electrically to it and pluggable with its shaft (7') into the locking cylinder (3) and having, on its side at the end, the transmitting aerial (8) of the charging device (9) suspended on it. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Vorrichtung zur elektrischen Energieversorgung von auf Türflügeln angebrachten Schlössern, die mit einer bei Stromlosigkeit blockierenden elektromagnetischen Zuhaltung, einer sie versorgenden Stromquelle und einer schlüsselbeaufschlagbaren Steuerschaltung versehen sind, insbesondere für mit elektronisch-mechanisch kodierten Schlüsseln betätigbare, durch eine auswechselbare Batterie betreibbare Elektronik-Zylinderschlösser.The invention relates to a device for the electrical energy supply of locks mounted on door leaves, which are provided with an electromagnetic lock which blocks when there is no current, a power source which supplies them and a control circuit which can be actuated by a key, in particular for an exchangeable battery which can be actuated with electronically-mechanically coded keys Operable electronic cylinder locks.

Elektrisch energieversorgte Türschlösser obiger Art sind bekannt. Ihre elektromagnetischen Zuhaltungen sind aus Energieersparnisgründen so beschaffen, daß sie lediglich zum Aufsperren der Schlösser mittels der passenden Schlüssel stromdurchflossen werden und dadurch die Tür zu öffnen erlauben, andernfalls, also bei Stromlosigkeit, ein zur elektromagnetischen Zuhaltung gehörender Sperrstift bzw. -anker durch eine an ihm angreifende Feder in Blockierungseingriff mit dem Schloßriegel selber oder dem Kern eines zum Türschloß gehörenden Schließzylinders gelangt. Um bei Ausfall oder Erschöpfung der die elektromagnetische Zuhaltung versorgenden Stromquelle das Türschloß dennoch öffnen zu können, ist es z. B. durch die DDR-PS 15 67 27 bekannt, eine elektromagnetisch zu beaufschlagende Sperrscheibe durch zusätzliches axiales Verschieben des Schließzylinderkerns mittels eines passenden Schlüssels außer Blockierungseingriff zu bringen. Dadurch wird aber die elektromagnetische Zuhaltung ihres eigentlichen Sinnes beraubt, nämlich als zur rein mechanischen Zuhaltung zusätzliche Sicherung zu dienen. Andererseits ist es bei Elektronik-Zylinderschlössern mit Batterie-Stromversorgung bekannt, den Ladezustand der Batterien elektronisch über speziell programmierte Schlüssel prüfen zu lassen und ihn in einem mit dem Schlüssel verbundenen Programmiergerät anzuzeigen, um dann die Batterien rechtzeitig auswechseln zu können. Die Überprüfung des Ladezustandes der Batterien kann aber durchaus vergessen werden, was zur Folge hat, daß bei Erschöpfung der schloßeigenen Batterien das Schloß und damit auch die Tür sich nicht mehr ordnungsgemäß öffnen lassen, sondern dazu in aller Regel aufgebrochen werden müssen.Electrically powered door locks of the above type are known. Your electromagnetic interlocks are designed to save energy so that they are only supplied with current by means of the appropriate key to unlock the locks and thereby allow the door to be opened; otherwise, i.e. when there is no current, a locking pin or anchor belonging to the electromagnetic interlocking can be opened by one on it attacking spring in blocking engagement with the lock bolt itself or the core of a lock cylinder belonging to the door lock. In order to still be able to open the door lock in the event of failure or exhaustion of the power supply which supplies the electromagnetic locking, it is e.g. B. by the GDR PS 15 67 27 known to bring an electromagnetically acting locking disc by additional axial displacement of the lock cylinder core by means of a suitable key out of blocking engagement. As a result, however, the electromagnetic guard locking is robbed of its actual meaning, namely to serve as an additional safeguard for purely mechanical locking. On the other hand, it is known in electronic cylinder locks with a battery power supply to have the charge status of the batteries checked electronically using specially programmed keys and to display them in a programming device connected to the key, in order then to be able to replace the batteries in good time. Checking the state of charge of the batteries can, however, be forgotten, which means that when the lock's own batteries are exhausted, the lock and thus the door can no longer be opened properly, but must usually be broken open.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs erwähnten Gattung zu schaffen, die es bei Versagen der schloßeigenen Stromquelle dennoch ermöglicht, die elektromagnetische Zuhaltung aus ihrem Blockierungs- in den Entblockierungszustand zu bringen, ohne dabei auf umständliche störanfällige zusätzliche Energieversorgungsleitungen angewiesen zu sein.The invention has for its object to provide a device of the type mentioned, which nevertheless enables the lock's own power source to fail to bring the electromagnetic guard locking from its blocking to the unblocking state without having to rely on cumbersome additional power supply lines which are prone to failure.

Diese Aufgabe wird erfindungsgemäß durch eine Notstromversorgungseinrichtung gelöst, die aus einer im Schloß zusätzlich zu dessen Stromversorgungsquelle untergebrachten, über eine an der Türaußenseite im Türschloßbereich zugänglich angeordnete Empfangsantenne kurzzeitig berührungslos aufladbaren Hilfsstromquelle und einem an der Türaußenseite vorübergehend anbringbaren Aufladegerät mit entsprechend gelegener Sendeantenne besteht. Die im Schloß untergebrachte Hilfsstromquelle besteht vorteilhaft aus einem der Empfängerantenne über einen Gleichrichter nachgeschalteten und zur auswechselbaren Batterie parallel schaltbaren Kondensator mit hoher Aufladekapazität. Mit Hilfe der erfindungsgemäß beschaffenen Notstromversorgungseinrichtung können Schlösser mit bei Stromlosigkeit blockierender elektromagnetischer Zuhaltung auch bei völliger Erschöpfung der schloßeigenen Stromquelle noch ordnungsgemäß geöffnet und dann beispielsweise ein ebenso müheloser Austausch der aus Sicherheitsgründen zumeist im Türinnenbeschlag oder im Türblatt untergebrachten Batterie vorgenommen werden.This object is achieved according to the invention by an emergency power supply device, which is accommodated for a short time in a contactless manner in the lock in the lock in addition to its power supply, via a receiving antenna arranged on the outside of the door in the door lock area and there is a charging device which can be temporarily attached to the outside of the door and has a correspondingly located transmitting antenna. The auxiliary power source housed in the castle advantageously consists of a capacitor with a high charging capacity connected downstream of the receiver antenna via a rectifier and which can be connected in parallel with the replaceable battery. With the help of the emergency power supply device according to the invention, locks with electromagnetic interlocking which blocks when there is no power even with complete exhaustion of the lock's own power source can still be opened properly and then, for example, an equally effortless replacement of the battery, which for safety reasons is usually accommodated in the inside door fitting or in the door leaf.

Durch die DE-A-36 12 761 ist es bei Türschlössern mit elektromagnetischer Zuhaltung und einem sie versorgenden eingebauten Akku bekannt, letzteren über in der Türflügelstulpschiene einerseits und am Türrahmen andererseits angeordnete Sende- und Empfangsspulen bzw. -antennen berührungslos mit Strom zu versorgen bzw. den Akku bei geschlossenem Türflügel jeweils nachzuladen. Fällt aber auch hier die Stromversorgung aus irgendeinem Grunde aus, sei es durch Defektwerden des Akkus oder des über die Türstulpseite wirksamen Nachladesystems, so kann auch hier das Türschloß bzw. der Türflügel nicht ohne Aufbrucharbeit geöffnet werden.From DE-A-36 12 761 it is known for door locks with electromagnetic locking and a built-in battery that supplies them, to provide the latter with power without contact via transmitting and receiving coils or antennas arranged in the door sash cover on the one hand and on the door frame on the other hand. recharge the battery with the door leaf closed. However, if the power supply fails for some reason either, be it due to the battery becoming defective or the recharging system effective via the door sash side, the door lock or door leaf cannot be opened without opening the door.

Eine besonders günstige Ausbildung der Notstromversorgungseinrichtung kann bei solchen Türschlössern Verwendung finden, bei denen gemäß oder DE-A-35 00 353 an den einander zugewandten Stirnseiten eines Schließzylinders und eines zugehörigen, mit Kerbeinschnitten versehenen Schlüssels Sende- und Empfangsantennen angeordnet sind. Hierfür ist das Aufladegerät vorteilhaft mit einem mit ihm beweglich sowie elektrisch verbundenen Halterungsschlüssel versehen, der mit seinem Schaft in den Schließzylinder einsteckbar ist und an seiner Reide stirnseitig die Sendeantenne des an ihm hängenden Aufladegeräts aufweist. Ein solches Aufladegerät kann äußerst bequem hantiert und mit Hilfe seines Halterungsschlüssels für die Dauer der Aufladung der im Schloß vorhandenen Hilfsstromquelle bequem am Türflügel außen angehängt werden. Dabei ist es von Vorteil, wenn die Kerbeinschnitte im Haltungsschlüssel von denen der eigentlichen, zum Schließzylinder gehörenden Schlüssel abweichen, insbesondere gleichmäßig tief gestaltet sind. Auf diese Weise wird nämlich sichergestellt, daß der Haltungsschlüssel lediglich in den Schließzylinder eingesteckt und dort gegen unerwünschtes axiales Herausgleiten gesichert wird, während durch das fortbestehende Blockieren des Zylinderkerns der Halterungsschlüssel nicht verdreht werden kann.A particularly favorable design of the emergency power supply device can be used in those door locks in which, according to or DE-A-35 00 353, transmitting and receiving antennas are arranged on the mutually facing end faces of a locking cylinder and an associated key provided with notches. For this purpose, the charging device is advantageously provided with a holding key which is movable and electrically connected to it, and which can be inserted with its shaft into the locking cylinder and on its base has the transmitting antenna of the charger attached to it at the end. Such a charging device can be handled extremely conveniently and conveniently attached to the outside of the door leaf with the aid of its holding key for the duration of charging the auxiliary power source present in the lock. It is advantageous if the notch incisions in the holding key differ from those of the actual key belonging to the locking cylinder, in particular they are of uniform depth. In this way it is ensured that the holding key is only inserted into the locking cylinder and secured there against unwanted axial sliding out, while the holding key cannot be rotated due to the continued blocking of the cylinder core.

Das Aufladegerät besitzt vorteilhaft einen über einen Netzanschlußstecker aufladbaren Stromspeicher, z. B. einen Akkumulator oder Kondensator, so daß es jederzeit einsatzbereit ist. Es kann aber ebensogut auch mit einer Stromspeicherbatterie versehen sein. Zweckmäßig besitzt das Aufladegerät ein taschenlampenähnliches Gehäuse, an dem außen ein Schiebeschalter zum Ein-und Ausschalten der Notstromlieferung sowie weiterhin ein Signalgeber, insbesondere eine Leuchtdiode vorgesehen sind, die bei eingeschalteter Notstromlieferung aufleuchtet und z. B. während des Aufladevorgangs ein Blinklicht und nach beendetem Aufladevorgang ein Dauerlicht abgibt.The charger advantageously has a rechargeable power storage via a power connector, e.g. B. an accumulator or capacitor, so that it is ready for use at any time. However, it can equally well be provided with a power storage battery. The charging device expediently has a flashlight-like housing, on the outside of which a slide switch for switching the emergency power supply on and off and a signal transmitter, in particular a light-emitting diode, are provided which illuminate when the emergency power supply is switched on and z. B. emits a flashing light during the charging process and a steady light after the charging process has ended.

In der Zeichnung ist ein vorteilhaftes Ausführungsbeispiel der Erfindung dargestellt. Dabei zeigen

Fig. 1
eine Teilseitenansicht eines mit einem Elektronik-Zylinderschloß versehenen Türflügels mit in daran hängender Aufladeposition befindlichem Aufladegerät,
Fig. 2
ein Blockschaltbild der im Aufladegerät vorhandenen Schaltung,
Fig. 3 und 4
jeweils Blockschaltbilder zweier verschiedener im Türschloß untergebrachter Schaltungen.
In the drawing, an advantageous embodiment of the invention is shown. Show
Fig. 1
2 shows a partial side view of a door leaf provided with an electronic cylinder lock, with the charging device located in the hanging charging position,
Fig. 2
a block diagram of the circuit in the charger,
3 and 4
block diagrams of two different circuits housed in the door lock.

Gemäß Fig. 1 soll in dem Türflügel 1 ein nicht näher dargestelltes Elektronik-Zylinderschloß untergebracht sein, das mit einer bei Stromlosigkeit blockierenden elektromagnetischen Zuhaltung, einer sie versorgenden Stromquelle und einer schlüsselbeaufschlagbaren Steuerschaltung versehen ist. Sein durch den Außenbeschlag 2 hindurchgeführter Schließzylinder 3 ist mit herkömmlichen Stiftzuhaltungen versehen, die den im runden Gehäuseteil 4 des Profilschließzylinders drehverstellbar gelagerten Zylinderkern 5 normalerweise blockieren und ihn für seine Drehverstellung erst dann freigeben, wenn ein mit passenden Kerbeinschnitten, also einer entsprechend mechanischen Kodierung versehener Schlüssel in den Schlüsselkanal des Zylinderkerns 5 eingeführt wird. Zusätzlich zu diesen Stiftzuhaltungen ist der Profilschließzylinder 3 aber auch noch mit der schon erwähnten elektromagnetischen Zuhaltung versehen, die beispielsweise aus einem im Zylindergehäuse radial verschieblich lagernden Sperrstift besteht, an dem einerseits eine ihn in Blockierungseingriff mit dem Zylinderkern 5 zu bringen suchende Feder angreift, der aber andererseits bei Stromerregung des Elektromagneten entgegen der vorerwähnten Federkraft in Entsperrungslage zu bringen ist, in der er den Kern 5 zum Verdrehen freigibt und damit über den am Kern vorhandenen Schließdaumen den Schloßriegel zu schließen erlaubt. Ebensogut könnte die elektromagnetische Zuhaltung aber auch im Schloß selbst eingebaut sein. Zur Stromversorgung der elektromagnetischen Zuhaltung dient eine im Schloß, vorzugsweise im Türinnenbeschlag untergebrachte Batterie. Die hier ebenfalls untergebrachte elektronische Steuerschaltung ist mit einer stirnseitig im Schließzylindergehäuse 4 untergebrachten Sendeantenne 6 leitend verbunden, die zum Datenaustausch mit dem passenden, mechanisch wie auch elektronisch kodierten Schlüssel dient, der dazu an seiner Reide, ebenso wie der abgebildete Halterungsschlüssel 7, stirnseitig mit einer entsprechenden Antenne 8 versehen ist. Über diese Antennen 6, 8 erfolgt also der normale Datenaustausch zwischen Türschloß und Schlüssel.According to FIG. 1, an electronic cylinder lock (not shown in more detail) is to be accommodated in the door leaf 1, which is provided with an electromagnetic tumbler which blocks when there is no current, a power source which supplies it and a control circuit which can be subjected to a key. Its locking cylinder 3, which is guided through the external fitting 2, is provided with conventional pin tumblers which normally block the cylinder core 5, which is rotatably mounted in the round housing part 4 of the profile locking cylinder, and only release it for its rotation adjustment when a key provided with suitable notch incisions, i.e. a corresponding mechanical coding is inserted into the key channel of the cylinder core 5. In addition to these pin tumblers, the profile locking cylinder 3 is also provided with the aforementioned electromagnetic tumbler, which consists, for example, of a locking pin which is mounted in a radially displaceable manner in the cylinder housing and on which, on the one hand, a spring which seeks to bring it into blocking engagement with the cylinder core 5 acts, but which on the other hand, when the electromagnet is energized against the aforementioned spring force, it is to be brought into the unlocked position, in which it releases the core 5 for rotation and thus allows the lock bolt to be closed via the locking thumbs present on the core. However, the electromagnetic guard locking could also be installed in the lock itself. A battery, which is accommodated in the lock, preferably in the inside door fitting, serves to supply the electromagnetic tumbler with power. The electronic control circuit, which is also housed here, is conductively connected to a transmitting antenna 6, which is accommodated on the front side in the lock cylinder housing 4 and which is used for data exchange with the appropriate, mechanically and electronically coded key, which, like the mounting key 7 shown, has a key on its front corresponding antenna 8 is provided. The normal data exchange between the door lock and key takes place via these antennas 6, 8.

Um bei Erschöpfung der im Türschloß vorhandenen, die elektromagnetische Zuhaltung versorgenden Stromquelle, also beispielsweise der entsprechenden Batterie, das Türschloß bzw. die dadurch verschlossene Tür dennoch öffnen zu können, ist erfindungsgemäß eine Notstromversorgungseinrichtung vorhanden. Diese besteht aus einer im Schloß zusätzlich zu dessen Stromversorgungsquelle untergebrachten Hilfsstromquelle, insbesondere einem Kondensator mit hoher Aufladekapazität, der über die an der Türaußenseite zugänglich angeordnete Antenne 6 berührungslos aufgeladen werden kann, und zwar mit Hilfe des an der Türaußenseite vorübergehend anbringbaren Aufladegeräts 9 mit seiner entsprechend gelegenen Sendeantenne 8. Dieses Aufladegerät 9 ist über eine Halteklammer 10, Schlaufe od. dgl. beweglich mit dem Halterungsschlüssel 7 verbunden. Die elektrische Verbindung zwischen der im Halterungsschlüssel 7 in dessen Reide stirnseitig vorhandenen Antenne 8 und dem Aufladegerät 9 erfolgt über das Kabel 11. Der Halterungsschlüssel 7 ist in seinem Schaft 7′ mit z. B. gleichmäßig tief gestalteten Kerbeinschnitten 7˝ versehen, die im Zusammenwirken mit den in dem Schlüsselkanal des Zylinderkerns 5 hineinragenden Zuhaltungsstiften dafür sorgen, daß der Schlüssel 7 nach seinem Einführen in den Schlüsselkanal nicht ohne weiteres daraus wieder herausgleiten kann, sondern sicher darin gehalten wird.In order to be able to open the door lock or the door locked thereby, when the current source in the door lock supplying the electromagnetic locking device, that is to say for example the corresponding battery, can still be opened, an emergency power supply device is provided according to the invention. This consists of an auxiliary power source accommodated in the lock in addition to its power supply source, in particular a capacitor with a high charging capacity, which can be charged in a contactless manner via the antenna 6 arranged on the outside of the door, with the aid of the charging device 9 which can be temporarily attached to the outside of the door with its corresponding located transmission antenna 8. This charging device 9 is movably connected to the holding key 7 via a holding clip 10, loop or the like. The electrical connection between the antenna 8 present in the holder key 7 in its front and the charger 9 is made via the cable 11. The holder key 7 is in its shaft 7 'with z. B. uniformly deep notch cuts 7˝, which in cooperation with the protruding into the key channel of the cylinder core 5 tumbler pins ensure that the key 7 can not easily slide out of it after its insertion into the key channel, but is held securely therein.

Das Aufladegerät 9 enthält die grundsätzlich in Fig. 2 wiedergegebene elektrische Schaltung. Dazu gehören eine die Notstromenergie liefernde Batterie, ein Akkumulator oder auch Kondensator 12, der über den Oszilator 13 die Sendeantenne 8 stromversorgt. Das Aufladegerät 9 besitzt ein taschenlampenähnliches Gehäuse 9′, an dem außen ein Schiebeschalter 14 zum Ein- und Ausschalten der Notstromlieferung und weiterhin ein Signalgeber, insbesondere eine Leuchtdiode 15 vorgesehen sind. Diese ist so geschaltet, daß sie bei eingeschalteter Notstromlieferung aufleuchtet, und zwar während des Aufladevorgangs zweckmäßig ein Blinklicht und nach dessen Beendigung ein Dauerlicht abgibt. Es empfiehlt sich, als Stromquelle im Aufladegerät 9 einen Akkumulator oder Kondensator zu verwenden, der über einen etwa in seinem unteren, durch den abnehmbaren Gehäusedeckel 9˝ abzudeckenden Raum untergebrachten Netzanschlußstecker auf- bzw. nachgeladen werden kann.The charging device 9 contains the electrical circuit shown in principle in FIG. 2. These include a battery that supplies the emergency power energy, an accumulator or capacitor 12, which supplies the transmission antenna 8 with power via the oscillator 13. The charger 9 has a flashlight-like housing 9 ', on the outside of which a slide switch 14 for switching the emergency power supply on and off and also a signal generator, in particular a light-emitting diode 15, are provided. This is switched in such a way that it lights up when the emergency power supply is switched on, expediently emitting a flashing light during the charging process and a steady light after it has ended. It is recommended to use the power source in the Charger 9 to use an accumulator or capacitor which can be charged or recharged via an approximately in its lower, to be covered by the removable housing cover 9˝ space housed power connector.

Die im Elektronik-Zylinderschloß untergebrachte elektrische Schaltung kann von der in Fig. 3 wiedergegebenen Art sein. Sie weist die gemeinsame Antenne 6 für den Datenaustausch mit dem passenden mechanisch wie elektronisch kodierten Schlüssel sowie aber auch für den Empfang der Notstromlieferung aus dem Aufladegerät 9 auf. Die Antenne 6 muß daher für den Notenergieempfang und das Datensenden jeweils umgeschaltet werden, und zwar durch den über das Relais 16 betätigbaren Schalter 17. Wird die elektronische Schaltung im Zylinderschloß durch den passend kodierten Schlüssel eingeschaltet, so wird von der schloßeigenen Batterie 18 über die Entkopplungsstelle 19 und die Schaltung 20 das Relais 16 stromerregt, wodurch der Schalter 17 in die strichpunktiert dargestellte Schaltstellung 17′ gelangt, in der die Antenne 6 auf Datensenden geschaltet wird. Reicht aber die Stromenergie in der Batterie 18 für ein einwandfreies Arbeiten der Schaltung 20 nicht mehr aus, so gelangt der Umschalter 17 in die voll gezeichnete Schaltstellung, in der er die Antenne 6 über den Gleichrichter 24 mit dem Kondensator 21 verbindet, so daß in dieser Schaltstellung durch das Aufladegerät 9 der Kondensator 21 aufgeladen werden kann. Wenn dieser genügend Stromenergie gespeichert hat, wird die Schaltung 20 aktiviert und die Antenne 6 auf Datensenden umgeschaltet. Das Türschloß kann dann mittels des passenden Schlüssels zumindest einmal geöffnet und sodann die türinnenseitig gelegene, erschöpfte Batterie 18 durch eine neue ersetzt werden.The electrical circuit accommodated in the electronic cylinder lock can be of the type shown in FIG. 3. It has the common antenna 6 for data exchange with the appropriate mechanically and electronically coded key and also for receiving the emergency power supply from the charging device 9. The antenna 6 must therefore be switched over for receiving emergency energy and sending data, specifically by means of the switch 17 which can be actuated via the relay 16. If the electronic circuit in the cylinder lock is switched on by the appropriately coded key, the lock's own battery 18 operates via the decoupling point 19 and the circuit 20 energizes the relay 16, whereby the switch 17 reaches the switch position 17 'shown in broken lines, in which the antenna 6 is switched to data transmission. However, if the current energy in the battery 18 is no longer sufficient for the circuit 20 to function properly, the changeover switch 17 reaches the fully drawn switching position in which it connects the antenna 6 to the capacitor 21 via the rectifier 24, so that the latter Switch position by the charger 9, the capacitor 21 can be charged. If the latter has stored sufficient electricity, the circuit 20 is activated and the antenna 6 is switched over to data transmission. The door lock can then be opened at least once by means of the appropriate key and then the exhausted battery 18 located on the inside of the door can be replaced by a new one.

Ein anderes Schema für die Türschloß-Schaltung ist in Fig. 4 dargestellt. Hier sind für das Datensenden und die Notstromenergieversorgung zwei verschiedene Antennen 22, 23 vorgesehen. Die Daten-Sendeantenne 22 wird normalerweise durch die schloßeigene Batterie 18 oder eine entsprechende Stromquelle über die Kopplung 19 und die Schaltung 20 versorgt, während die Antenne 23 für die durch das Aufladegerät 9 erfolgende Energieversorgung über den Gleichrichter 24 den Kondensator 21 auflädt. Wenn also auch hier die eigentliche Stromquelle 18 erschöpft sein sollte, kann über den dann aufzuladenden Kondensator 21 die Schaltung 20 für das Datensenden über die Antenne 22 aktiviert und die im Schloß vorhandene elektromagnetische Zuhaltung zumindest einmal in ihre Entsperrungsstellung gebracht werden, so daß dann auch hier wieder die Tür ohne weiteres geöffnet und die leere Batterie 18 ausgewechselt werden kann.Another scheme for the door lock circuit is shown in Fig. 4. Two different antennas 22, 23 are provided here for data transmission and emergency power supply. The data transmission antenna 22 is normally supplied by the lock's own battery 18 or a corresponding current source via the coupling 19 and the circuit 20, while the antenna 23 charges the capacitor 21 for the energy supply by the charger 9 via the rectifier 24. If the actual power source 18 should also be exhausted here, the circuit 20 for data transmission via the antenna 22 can be activated via the capacitor 21 then to be charged and the electromagnetic tumbler present in the lock can be brought into its unlocked position at least once, so that here too the door can be opened again easily and the empty battery 18 can be replaced.

Der im Türschloß untergebrachte Kondensator für die Notstromspeicherung besitzt eine ausreichend hohe Kapazität, damit der Aufladevorgang durch das Ladegerät 9 im Gegensatz zum Aufladen eines Akkumulators auf wenige Minuten begrenzt werden kann. Dabei versteht es sich, daß die Kondensatorladung bei abgeschalteter systemeigener Energieversorgung durch die Batterie 18 durchaus auch mehrmals das Betätigen der im Türschloß vorhandenen elektromagnetischen Zuhaltung erlaubt.The capacitor for emergency power storage, which is accommodated in the door lock, has a sufficiently high capacity so that the charging process by the charger 9 can be limited to a few minutes, in contrast to charging a rechargeable battery. It goes without saying that the capacitor charging, when the system's own energy supply from the battery 18 is switched off, also allows the electromagnetic lock that is present in the door lock to be actuated several times.

Die erfindungsgemäße Notstromversorgungseinrichtung kann auch bei Türschlössern mit Netzanschluß vorteilhaft verwendet werden, um bei Netzstromausfall in Tätigkeit treten zu können. Weiterhin versteht es sich, daß die Sende- und Empfangsantennen für die Notstromversorgung auch anders als dargestellt angeordnet sein können, beispielsweise im Rücken des Halterungsschlüssel-Schaftes und entsprechend im Schlüsselkanal des Schließzylinders 3.The emergency power supply device according to the invention can also be used advantageously in door locks with a mains connection in order to be able to take action in the event of a mains power failure. Furthermore, it goes without saying that the transmitting and receiving antennas for the emergency power supply can also be arranged differently than shown, for example in the back of the holder key shaft and accordingly in the key channel of the locking cylinder 3.

Claims (8)

  1. Device for supplying electrical energy to locks attached to door leaves, the locks being fitted with an electromagnetic tumbler which in the absence of current is in the locked position, a power source which supplies it with energy and a control circuit which can be acted upon by a key, in particular for electronic cylinder locks which can be actuated by electronically mechanically coded keys and which can be operated by interchangeable batteries, characterised in that an emergency power supply device is provided, which comprises an auxiliary power source (21) which is accommodated in the lock in addition to the lock's own power source 18 and which can be rapidly charged, contact-free, by way of a receiving antenna (6) accessibly disposed in the region of the door lock on the external side of the door and a charging device (9) which can be temporarily attached to the external side of the door and which has an appropriately situated transmitting antenna (8).
  2. Device according to claim 1, characterised in that the auxiliary power source accommodated in the lock comprises a capacitor (21) which has a high charging capacity, which is connected downstream of the receiving antenna (6) by way of a rectifier (24) and can be switched parallel to the interchangeable battery (18).
  3. Device according to claim 2, having a transmitting antenna accommodated in the cylinder lock for the purpose of transmitting data to the key, characterised in that the receiving antenna (23) is disposed separately from the data transmitting antenna (22) for the purpose of supplying the emergency power Fig. 4.
  4. Device according to claim 2 having a transmitting antenna accommodated in the cylinder lock for the purpose of transmitting data to the key, characterised in that the data transmitting antenna (6) is used simultaneously as the receiving transmitter (6) to supply the emergency energy and in the event of the battery accommodated in the lock becoming depleted, automatically switches to the emergency energy power device by means of a responsive switching relay Fig. 3.
  5. Device according to one of claims 1 through 4, having transmitting and receiving antennae disposed on the facing sides of a closing cylinder and of an associated key provided with indentations, characterised in that the charging device (9) has a tumbler key (7) which is displaceable with and electrically connected to the charging device (9), the tumbler key (7) can be inserted with its shaft (7') into the closing cylinder (3) and has on its grip at the front side the transmitting antenna (8) of the charging device (9) which hangs from the tumbler key (7) Fig. 1.
  6. Device according to claim 5, characterised in that the indentations (7'') in the tumbler key (7) differ from those of the actual key associated with the closing cylinder (3), in particular they have a uniform depth Fig. 1.
  7. Device according to claim 5, characterised in that the charging device (9) contains an accumulator, for example a battery (12) or a capacitor which can be charged by way of the main connector.
  8. Device according to one of claims 5 through 7, characterised in that the charging device (9) has a housing (9') similar to that of an electric torch, on the outside of which are fitted a sliding switch (14) for switching the emergency power supply on and off and furthermore a signal transmitter, in particular a luminous diode (15), which illuminates when the emergency power supply is switched on and for example emits a flashing light during the charging process and a steady burning light after the charging process is complete.
EP89101061A 1988-03-01 1989-01-21 Device for electrically powering door locks Expired - Lifetime EP0330828B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89101061T ATE82612T1 (en) 1988-03-01 1989-01-21 DEVICE FOR THE ELECTRICAL ENERGY SUPPLY OF DOOR LOCKS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3806469A DE3806469A1 (en) 1988-03-01 1988-03-01 DEVICE FOR THE ELECTRICAL ENERGY SUPPLY OF DOOR LOCKS
DE3806469 1988-03-01

Publications (2)

Publication Number Publication Date
EP0330828A1 EP0330828A1 (en) 1989-09-06
EP0330828B1 true EP0330828B1 (en) 1992-11-19

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Application Number Title Priority Date Filing Date
EP89101061A Expired - Lifetime EP0330828B1 (en) 1988-03-01 1989-01-21 Device for electrically powering door locks

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AT (1) ATE82612T1 (en)
DE (2) DE3806469A1 (en)

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Also Published As

Publication number Publication date
DE58902730D1 (en) 1992-12-24
ATE82612T1 (en) 1992-12-15
EP0330828A1 (en) 1989-09-06
DE3806469A1 (en) 1989-09-14

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