EP0199651B1 - Alarmanlage für eine mittels eines Kodes betätigte elektromechanische Bedienungsanlage - Google Patents

Alarmanlage für eine mittels eines Kodes betätigte elektromechanische Bedienungsanlage Download PDF

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Publication number
EP0199651B1
EP0199651B1 EP86400864A EP86400864A EP0199651B1 EP 0199651 B1 EP0199651 B1 EP 0199651B1 EP 86400864 A EP86400864 A EP 86400864A EP 86400864 A EP86400864 A EP 86400864A EP 0199651 B1 EP0199651 B1 EP 0199651B1
Authority
EP
European Patent Office
Prior art keywords
signal
unit
monitoring
driving unit
electromechanical driving
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
Application number
EP86400864A
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English (en)
French (fr)
Other versions
EP0199651A1 (de
Inventor
Patrick Marmet
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.)
Ferco International Usine de Ferrures de Batiment
Original Assignee
Ferco International Usine de Ferrures de Batiment
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 Ferco International Usine de Ferrures de Batiment filed Critical Ferco International Usine de Ferrures de Batiment
Priority to AT86400864T priority Critical patent/ATE48461T1/de
Publication of EP0199651A1 publication Critical patent/EP0199651A1/de
Application granted granted Critical
Publication of EP0199651B1 publication Critical patent/EP0199651B1/de
Expired legal-status Critical Current

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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
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
    • G07C9/00674—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with switch-buttons
    • G07C9/0069—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with switch-buttons actuated in a predetermined sequence
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits

Definitions

  • the present invention relates to electronic operating devices, the actuation of which is obtained by means of a code and which are intended to control an apparatus controlling access, such as an electric strike lock or a door opening motor. so as to allow access only to authorized persons knowing this code.
  • these electronic operating devices comprise on the one hand a control unit arranged in the vicinity of the device to be controlled and which comprises an electronic device which checks the code supplied by the users and provides, in the event of the correct code, a control signal of the electrical device for actuating the device and, on the other hand, a monitoring unit arranged remotely and which makes it possible to command and / or control said access.
  • the patent FR-A-2 399 520 describes a keyless system comprising a control station provided with a keyless electrical signal generator, a logical means for processing appropriate electrical signals from the control station and a means responding to the logic output to control a mechanism such as a lock.
  • a digital electrical signal is produced at a manual control station by the sequential manipulation of a plurality of sensitized key points.
  • the signal is directed to logic means which compares the generator signal with a reference code and under acceptable conditions can be programmed to accept a subsequent suitable code and provides an output which is amplified and directed to an electric motor to change the position physics of a restraint in the entry system.
  • One of the possible means of forcing access for unauthorized persons is to supply the electrical actuating device directly from the outside from a voltage source. This can be done relatively discreetly since it suffices to make an opening in the device to access said actuating device. It is therefore desirable to provide an alarm device which makes it possible to warn the monitoring station of such an unauthorized access attempt. This alarm should obviously not be triggered during authorized access.
  • Patent FR-A-2 377 068 describes an anti-theft device with an alarm triggering when a wire break or contact related to the alarm is detected, said anti-theft device being mainly designed to resist the application of high voltages capable of to neutralize it.
  • the anti-theft device is designed to issue an alarm when an attempt is made to overvoltage it.
  • this type of anti-theft device does not make it possible to detect unauthorized energization by short circuits of the opening mechanism which could be connected to it, since it precisely detects voltage breaks.
  • the present invention therefore relates to an electromechanical maneuvering device of the type mentioned above in which an unauthorized energizing of the electrical actuating device triggers the emission of an alarm to the monitoring unit.
  • control unit comprises a voltage detector element which is connected to the terminals of the electric actuating device and the output signal of which is returned on a logic circuit carrying out the AND function and which also receives a signal representative of the absence of an actuation order, the output signal of said logic circuit constituting an alarm signal which is transmitted to the monitoring unit.
  • said alarm signal is stored in a memory contained in the control unit and reset to zero by the monitoring unit.
  • any attempt to power the actuating device results in an alarm which can also be given at the level of the controlled access so as to discourage the unauthorized actuation attempt. Due to the storage of this alarm, it is not deleted during the subsequent transmission of an authorized actuation order which can, for example, be supplied by an outgoing person and using a direct non-coded command. actuation.
  • the voltage detector element provides a constant level signal, independently of the voltage applied to it; thanks to this arrangement, it is possible to detect voltages clearly different from the normal supply voltage of the actuating device. This is important because people trying to force the door do not necessarily know the normal operating voltage of the actuator.
  • Said detector element may, for example, be constituted by a photocoupler, the light emitting element of which is connected to the supply wires of the actuating device, the light receiving element being supplied at constant voltage and constituting the output of the detector. In this way, perfect decoupling is obtained between the voltage applied to the actuator and the detector output signal.
  • the invention is described below in application to the control of the unlocking of an electric strike lock, but it can be applied to all electronic operating devices such as a door opening control motor, for example. .
  • an electric strike lock which comprises for example an input interface 1 which comprises for example, a keyboard, a badge reader or the like allowing the entry of the door opening code; the output of this input interface is sent to a comparator 2 which also receives an opening code recorded in electronic form from a memory 3. In the event of coincidence of the two codes, the comparator provides an opening signal which is memorized in memory 4 and sent to the electric strike 5.
  • a voltage detector 6 is provided which is connected in parallel to the supply wires of the electric device for opening the keeper 5; the output signal of this detector 6 is combined with a significant signal of the absence of an opening order provided by the memory 4 and the inverter circuit 10 in an AND logic circuit 7 the output of which provides an alarm signal direct electric supply of electric strike 5.
  • control unit also includes a detector 8 detecting shocks or tears suffered by the control unit and which therefore delivers an alarm signal for shocks or tears suffered by the central unit.
  • the power supply alarm signal supplied by the AND logic gate 7 and the shock or breakout alarm signal supplied by the detector 8 are combined in an OR logic circuit 9 which provides an alarm signal at its output general sabotage attempt.
  • the supply or shock or tear-off alarm signal is stored in a memory 11 and then sent to the monitoring unit (not shown).
  • the latter includes a command to reset memory 11, for example via a line 12.
  • FIG. 2 represents an advantageous embodiment of the voltage detector element 6.
  • the authors of the unauthorized opening attempt do not necessarily know the normal supply voltage of the electric strike and they can apply voltages very clearly different from this normal supply voltage. It is therefore necessary to be able to overcome variations in voltage across the detector, that is to say that it is necessary to choose a detector whose output signal is independent of the detected voltage.
  • the light emitting part of the photocoupler 13 is connected to the terminals of the power supply conductors of the electric strike 5 by means of a resistor 16 and a protective diode 17.
  • the light receiving part is in turn supplied by a constant voltage via a resistor 18, its other terminal being connected to ground.
  • a logic signal which is at the high level in the absence of voltage detected by the light receiver 15 and at the low level when this element 14 is powered.
  • a signal which is representative of the voltage across the terminals of the electric strike 5 but reversed because an absence of voltage results in a high level.
  • the AND circuit 7 is in fact constituted by a NOR circuit 21 which receives signals complementary to those supplied to the AND circuit 7, that is to say that the second port of the NOR circuit 21 receives a signal representative of the presence of an order but inverted, that is to say that this signal is at the high level in the absence of a signal for normal opening of the door. It can be seen that the invention makes it possible to obtain an instant alarm as soon as the first attempt is made to connect a supply voltage to the electric strike, regardless of the value of this voltage.
  • the electrical supply of the actuating device is generally supplied by the distribution network with a buffer battery; in the case of controlling a residential door for example, the use of a buffer battery makes it possible to obtain the opening of the door in the event of a cut in the supply to the network.
  • a buffer battery makes it possible to obtain the opening of the door in the event of a cut in the supply to the network.
  • there may be a prolonged outage of the network which is greater than the autonomy of the buffered battery and in this case it would not be possible to obtain the opening from the door after this long power outage.
  • a device for connecting an external battery this connection device not being validated, that is to say put in connection with the device actuation only if the network is cut and if the buffer battery is out of service.
  • This arrangement allows the user to enter his home even after a long interruption of the network which led to the buffer battery being out of service.
  • this buffer battery is automatically put out of service before it reaches a state of discharge which renders it unusable.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)
  • Alarm Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Telephone Function (AREA)
  • Lock And Its Accessories (AREA)

Claims (6)

1. Elektromechanische Bedienungsanlage zur Betätigung eines einen Zugang überwachenden Gerätes, einerseits mit einer in der Nähe des zu betätigenden Gerätes angebrachten Steuereinheit mit einer elektronischen Vorrichtung (1-4) zur Prüfung des durch den Anwender eingegebenen Kodes, die bei korrektem Kode ein Steuersignal an die elektrische Betätigungsvorrichtung (5) des Gerätes ausgibt, und andererseits mit einer im Abstand angebrachten Überwachungseinheit, die die Öffnung der Türe bewirkt und/oder überwacht, dadurch gekennzeichnet, dass die Steuereinheit eine Spannungsüberwachung (6, 13) umfasst, die an die Klemmen der elektrischen Betätigungsvorrichtung (5) angeschlossen ist, und deren Ausgangssignal eine UND-Schaltung (7, 21) beaufschlagt, die ausserdem bei fehlendem Betätigungsbefehl ein Signal erhält, wobei das Ausgangssignal der Schaltung (7, 21) ein Alarmsignal darstellt, das an die Überwachungseinheit übertragen wird.
2. Elektromechanische Bedienungsanlage gemäss Anspruch 1, dadurch gekennzeichnet, dass das Alarmsignal in einem Speicher (11) gespeichert wird, der Teil der Steuereinheit ist und durch die Überwachungseinheit nullgesetzt wird.
3. Elektromechanische Bedienungsanlage gemäss Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Spannungsüberwachung (6, 13) ein konstantes, von der Speisespannung unabhängiges Signal ausgibt.
4. Elektromechanische Bedienungsanlage gemäss Anspruch 3, dadurch gekennzeichnet, dass die Spannungsüberwachung aus einem Optokoppler (13) besteht, dessen Lichtquelle (14) mit den Speiseklemmen der elektrischen Betätigungsvorrichtung (5) verbunden ist, und dessen Empfängerteil (15) von einer konstanten Speisespannung beaufschlagt wird.
5. Elektromechanische Bedienungsanlage gemäss einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Steuereinheit eine ODER-Schaltung (9) umfasst, die einerseits von dem vorerwähnten Alarmsignal und einem Signal beaufschlagt wird, das eine Sicherungsvorrichtung (8) gegen gewaltsame Betätigung ausgibt, wobei die ODER-Schaltung (9) ein allgemeines Alarmsignal an die Überwachungseinheit ausgibt.
6. Elektromechanische Bedienungsanlage gemäss einem der Ansprüche 1 bis 5, die von einem Stromnetz und einer Pufferbatterie gespeist wird, dadurch gekennzeichnet, dass die Steuereinheit eine Anschlussvorrichtung an eine ausserhalb der elektrischen Betätigungsvorrichtung (5) angeordnete Batterie umfasst, die erst bei Ausfall des Stromnetzes und der Pufferbatterie wirksam wird.
EP86400864A 1985-04-23 1986-04-22 Alarmanlage für eine mittels eines Kodes betätigte elektromechanische Bedienungsanlage Expired EP0199651B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86400864T ATE48461T1 (de) 1985-04-23 1986-04-22 Alarmanlage fuer eine mittels eines kodes betaetigte elektromechanische bedienungsanlage.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8506127A FR2580712B1 (fr) 1985-04-23 1985-04-23 Dispositif d'alarme pour dispositif electromecanique de manoeuvre commande par un code
FR8506127 1985-04-23

Publications (2)

Publication Number Publication Date
EP0199651A1 EP0199651A1 (de) 1986-10-29
EP0199651B1 true EP0199651B1 (de) 1989-12-06

Family

ID=9318547

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86400864A Expired EP0199651B1 (de) 1985-04-23 1986-04-22 Alarmanlage für eine mittels eines Kodes betätigte elektromechanische Bedienungsanlage

Country Status (6)

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EP (1) EP0199651B1 (de)
JP (1) JPS61249196A (de)
AT (1) ATE48461T1 (de)
CA (1) CA1243383A (de)
DE (1) DE3667314D1 (de)
FR (1) FR2580712B1 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399520A1 (fr) * 1977-08-03 1979-03-02 Essex Transducers Systeme d'entree sans clef

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997890A (en) * 1974-06-11 1976-12-14 Kendrick Jr Embry Mayes Alarm system with supervisory system to detect severing or bridging of detection switches
US3953769A (en) * 1974-07-29 1976-04-27 Sargent & Greenleaf, Inc. Electronic security control system
FR2377068A1 (fr) * 1977-01-11 1978-08-04 Helita Dispositif antivol protege contre l'application de surtensions
EP0030587A1 (de) * 1979-12-18 1981-06-24 Iwasaki Engineering Co., Ltd. Elektronische Verriegelungsvorrichtung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399520A1 (fr) * 1977-08-03 1979-03-02 Essex Transducers Systeme d'entree sans clef

Also Published As

Publication number Publication date
ATE48461T1 (de) 1989-12-15
CA1243383A (fr) 1988-10-18
FR2580712A1 (fr) 1986-10-24
FR2580712B1 (fr) 1987-06-05
JPH0437478B2 (de) 1992-06-19
JPS61249196A (ja) 1986-11-06
DE3667314D1 (de) 1990-01-11
EP0199651A1 (de) 1986-10-29

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