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EP0474975B1 - Dispositif de contrôle d'accès - Google Patents

Dispositif de contrôle d'accès Download PDF

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Publication number
EP0474975B1
EP0474975B1 EP91109101A EP91109101A EP0474975B1 EP 0474975 B1 EP0474975 B1 EP 0474975B1 EP 91109101 A EP91109101 A EP 91109101A EP 91109101 A EP91109101 A EP 91109101A EP 0474975 B1 EP0474975 B1 EP 0474975B1
Authority
EP
European Patent Office
Prior art keywords
door opener
signal
control device
signal line
access control
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
EP91109101A
Other languages
German (de)
English (en)
Other versions
EP0474975A1 (fr
Inventor
Heinz Roth
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.)
Fritz Fuss GmbH and Co
Original Assignee
Fritz Fuss GmbH and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fritz Fuss GmbH and Co filed Critical Fritz Fuss GmbH and Co
Publication of EP0474975A1 publication Critical patent/EP0474975A1/fr
Application granted granted Critical
Publication of EP0474975B1 publication Critical patent/EP0474975B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
    • G07C9/00904—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses for hotels, motels, office buildings or the like

Definitions

  • the invention relates to an access control device with an electric door opener on the one hand, which has a swivel latch, a releasable latch for the swivel latch, an electromagnet interacting with the latch and a status detector for monitoring the open / closed state of the access concerned, and a control center on the other hand, which is connected to the door opener via a supply line and to the status detector via a signal line.
  • Such access control devices are known to be used to secure and monitor closed areas in buildings and outdoors. It is to be ensured that only authorized persons enter or leave this area, the control being carried out continuously or being restricted to certain time segments.
  • the entrances and exits are provided with mechanical actuators, for example turnstiles, doors or gates. They are controlled by electric door openers that are connected to a control center. To monitor the status of the actuator there are also feedback devices which report the status "open” or "closed” to the control center.
  • the electrical door openers known for this purpose are released or locked by applying a DC or AC voltage. For this purpose, they are connected to the control center via supply lines. Such door openers have proven themselves very well in practice.
  • a coded signal is transmitted from a mobile transmitter to the lock in question via a line-free transmission path.
  • a similar locking device in which the coded signal is however transmitted via lines, is known from FR-A-2 622 239. Due to the system, such a locking device is not suitable for the access control devices described above.
  • the invention is based on the object of specifying an access control device of the type mentioned at the outset, which is protected against manipulation of the supply lines which is manipulated with the intention of sabotage.
  • control center has a transmitter for transmitting coded door opener control signals ("release door opener” or “lock door opener”), which are transmitted to the door opener via the signal line, in that the control center also interacts with a delay arrangement Includes evaluation unit, which is connected on the input side to the signal line for receiving the status signal, and which after the transmission of a "release door release” signal, at least after a predetermined time has elapsed, the transmission of a "release door lock” signal causes the swing latch
  • the latch is bistable and can be controlled to assume its two states, and that a decoder connected to the signal line is present on the door opener side, via the output signal of which the bistable latch is controlled.
  • the invention has the advantage that the door opener is controlled via encrypted signals, so that it is impossible to unlock the door opener by applying the supply voltage. It is therefore unnecessary to protect the supply line mechanically. This also applies to the signal lines, because if the control code is not known, the door release cannot be activated, even if the signal line is directly accessible.
  • Another advantage is that no additional lines are required because the conventional signal line used for status reporting is used bidirectionally. Existing systems can therefore be easily upgraded. On the other hand, several door openers can alternatively be placed in parallel on one cable run.
  • a preferred further development of the invention consists in that the "lock release" signal is transmitted via the evaluation unit as soon as the status signal "door or lock has been actuated" has been received via the signal line. This prevents secured access from being used by an unauthorized person if he succeeds an authorized person at short intervals.
  • each door opener has a mechanical coding switch (DIL switch) which is set when the door opener is installed.
  • DIL switch mechanical coding switch
  • the single figure shows schematically a block diagram of an access control device.
  • an access control device comprises a control center 10 which controls and monitors a plurality of electric door openers. To keep the figure clear, only a single door opener 11 is shown.
  • the control center 10 and the door opener 11 are connected via a power supply line 12, a bidirectional signal line 13 and a potential equalization line 14.
  • the door opener 11 has a swivel latch (not shown) which can be locked or released via a bistable latch 15.
  • the latch 15 is a two-armed Rocker arm formed, and is actuated via an arrangement of two electromagnets 16, 17.
  • the relevant magnet 16 or 17 is acted upon by a current pulse, so that the bolt assumes the other position in which it is detachably held by a leaf spring 18.
  • a status indicator 19 is present on the door opener side, which monitors the open or closed position of the door (not shown) connected to the door opener 11.
  • actuation of the swivel trap can be detected with the status indicator 19.
  • the status indicator 19 When the door has been opened or the swivel latch has been deflected during an opening process, the status indicator 19 generates a signal which is transmitted to the control center 10 via the signal line 13.
  • the control center 10 comprises a computer with an evaluation unit 20, for example a microprocessor, which sends binary-coded control signals via the signal line 13 to the door opener 11 via a transmitter 21.
  • the evaluation unit 20 receives the status signal in the opposite direction.
  • the control signals are decrypted on the door opener side by a decoder 22.
  • the decoder 22 controls a switch 23, and this switches the supply voltage to one of the magnets 16 or 25 via a line 24 or 25 17, so that it is briefly energized and the bolt 15 is actuated.
  • the control signals contain a selection code which is exclusively assigned to the relevant door opener 11 and is fixed there. This can be irreversible through a Fixed wiring can be stamped or optionally changed. Each door opener can be selected individually and encrypted. If there is no match, actuation of the door opener 11 is excluded.
  • the decoder 22 is connected to a coding switch 26 (mini-DIL switch), on which the code which is decisive for the door opener 11 is set.
  • the door opener is actuated or the magnets 16, 17 are energized only when a correspondingly coded control signal is transmitted via the signal line 13.
  • the code coordination between the control center 10 and the door opener 11 takes place in principle when the door opener 11 is installed. However, if it is necessary, an adjustment or change can also be made at a later time.
  • the function of the access control device is explained below using an example. As an initial situation, it is assumed that the door opener 11 is locked. If access authorization has been verified by a user, the control center 10 transmits the control signal "release door release" together with the door release code. This causes a brief (approx. 100 ms) voltage to be applied to the magnet 16 and the latch 15 to be switched.
  • the status indicator 19 is then monitored by the evaluation unit 20 to determine whether the door has been opened or not. If there is no door opening during this time, the control center 10 transmits the coded control signal “lock door opener”, which causes the magnet 17 to be briefly excited and the bolt 15 to be switched to the “closed position”.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
  • Selective Calling Equipment (AREA)
  • Vehicle Body Suspensions (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Claims (6)

  1. Dispositif de contrôle d'accès comprenant une gâche électrique (11), d'une part, qui présente un contrepêne à bascule, un verrou (15) libérable pour le contrepêne à bascule, un électro-aimant (16, 17) coopérant avec le verrou et un transmetteur d'état (18) pour surveiller l'état ouvert/fermé de l'accès correspondant, ainsi qu'une centrale de commande (10), d'autre part, qui est reliée par une ligne d'alimentation (12) à la gâche électrique et par une ligne de signalisation (13) au transmetteur d'état, caractérisé par le fait que la centrale de commande (10) comprend un émetteur (21) pour l'émission de signaux codés de commande de gâche électrique qui sont associés individuellement à une gâche électrique (11) et sont transmis par la ligne de signalisation (13) à la gâche électrique (11), que la centrale de commande (10) comprend en outre une unité d'évaluation (20) coopérant avec un dispositif de retard, reliée côté entrée à la ligne de signalisation (13) en vue de la réception du signal d'état et produisant, après l'émission d'un signal "libérer gâche électrique", au moins après l'expiration d'un temps prédéterminé, l'émission d'un signal "bloquer gâche électrique", que le verrou de contre-pêne basculant (15) est bistable et peut être commande pour adopter l'une de ses deux états, et qu'il est prévu, côté gâche électrique, un décodeur (22) qui est relié à la ligne de signalisation (13) et dont le signal de sortie commande le verrou bistable (15).
  2. Dispositif de contrôle d'accès suivant la revendication 1, caractérisé par le fait que l'unité d'évaluation (20) produit l'émission du signal "bloquer gâche électrique" dès que le signal d'état "porte/gâche électrique a été actionné" a été reçu par la ligne de signalisation (13).
  3. Dispositif de contrôle d'accès suivant la revendication 2, caractérisé par le fait que des codes de sélection différents peuvent être réglés au choix sur le décodeur (22).
  4. Dispositif de contrôle d'accès suivant la revendication 3, caractérisé par le fait que le décodeur (22) est programmable et peut être réglé depuis la centrale de commande (10) en passant par la ligne de signalisation (13).
  5. Dispositif de contrôle d'accès suivant l'une des revendications 1 à 3, caractérisé par le fait qu'il est prévu, côté gâche électrique, un interrupteur de codage (interrupteur DIL) (23) pour le réglage du code de sélection.
  6. Dispositif de contrôle d'accès suivant l'une des revendications précédentes, caractérisé par le fait qu'il est prévu un verrou bistable (15) de contre-pêne basculant.
EP91109101A 1990-08-10 1991-06-04 Dispositif de contrôle d'accès Expired - Lifetime EP0474975B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4025477 1990-08-10
DE4025477A DE4025477A1 (de) 1990-08-10 1990-08-10 Zugangs-kontrollvorrichtung

Publications (2)

Publication Number Publication Date
EP0474975A1 EP0474975A1 (fr) 1992-03-18
EP0474975B1 true EP0474975B1 (fr) 1995-08-30

Family

ID=6412061

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91109101A Expired - Lifetime EP0474975B1 (fr) 1990-08-10 1991-06-04 Dispositif de contrôle d'accès

Country Status (3)

Country Link
EP (1) EP0474975B1 (fr)
AT (1) ATE127193T1 (fr)
DE (2) DE4025477A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9412174U1 (de) * 1994-07-21 1994-11-24 Schaeffer Apparatebau KG, 14169 Berlin Schließsystem, insbesondere zum Sichern von Türen
DE4443274C2 (de) * 1994-12-06 1999-02-18 Asg Luftfahrttechnik Und Senso Vorrichtung mit wenigstens einem Motorblockschloß
DE19604644C2 (de) * 1996-02-08 1998-07-16 Leonhard Lerchner Schließvorrichtung
DE19639896A1 (de) * 1996-09-27 1998-04-16 Bosch Gmbh Robert Schließvorrichtung
DE19815766A1 (de) * 1998-04-08 1999-10-21 Richard Ross Mechanische Fenster- oder Türverriegelung einer drahtlos arbeitenden Objektsicherungsanlage
DE19937039A1 (de) * 1999-08-05 2001-02-08 Geze Gmbh Elektrisch schaltbare Zuhaltevorrichtung
DE10153064A1 (de) * 2001-10-30 2003-05-22 Dirk Gerlach Anordnung zur Öffnung einer Tür im Haus-oder Wohnungsbereich
DE102006001478B4 (de) * 2006-01-11 2008-06-26 Assa Abloy Sicherheitstechnik Gmbh Türöffnersystem

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE215767C (fr) *
US4062056A (en) * 1975-06-23 1977-12-06 Goodrich David E Multiple code electronic combination door lock
JPS6019397B2 (ja) * 1981-04-30 1985-05-16 日産自動車株式会社 自動車におけるドアの自動施錠装置
FR2580715B1 (fr) * 1985-04-23 1991-09-20 Ferco Int Usine Ferrures Dispositif de codage d'un dispositif electromecanique de manoeuvre commande par un code
FR2622239B1 (fr) * 1987-10-27 1995-05-05 Lewiner Jacques Perfectionnements aux serrures commandees electriquement a distance

Also Published As

Publication number Publication date
ATE127193T1 (de) 1995-09-15
DE4025477A1 (de) 1992-02-13
DE59106355D1 (de) 1995-10-05
EP0474975A1 (fr) 1992-03-18

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