EP0886023B1 - Redundante Steuerungsvorrichtung für ein Schloss - Google Patents

Redundante Steuerungsvorrichtung für ein Schloss Download PDF

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Publication number
EP0886023B1
EP0886023B1 EP19970108687 EP97108687A EP0886023B1 EP 0886023 B1 EP0886023 B1 EP 0886023B1 EP 19970108687 EP19970108687 EP 19970108687 EP 97108687 A EP97108687 A EP 97108687A EP 0886023 B1 EP0886023 B1 EP 0886023B1
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EP
European Patent Office
Prior art keywords
control device
unit
signal
control
lock
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
EP19970108687
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English (en)
French (fr)
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EP0886023A1 (de
Inventor
Pierre Pellaton
Didier Dominé
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.)
Kaba AG
Original Assignee
Kaba AG
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
Priority to EP19970108687 priority Critical patent/EP0886023B1/de
Application filed by Kaba AG filed Critical Kaba AG
Priority to DE1997630121 priority patent/DE69730121T2/de
Priority to AT97108687T priority patent/ATE272774T1/de
Priority to US09/424,217 priority patent/US6608548B1/en
Priority to CA 2289603 priority patent/CA2289603C/en
Priority to PCT/CH1998/000214 priority patent/WO1998054428A1/fr
Priority to ARP980102542 priority patent/AR015838A1/es
Publication of EP0886023A1 publication Critical patent/EP0886023A1/de
Application granted granted Critical
Publication of EP0886023B1 publication Critical patent/EP0886023B1/de
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
    • G07C9/00912—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 safes, strong-rooms, vaults or the like
    • 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
    • E05B2047/005—Opening, closing of the circuit
    • E05B2047/0054—Opening, closing of the circuit using microprocessor, printed circuits, or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7062—Electrical type [e.g., solenoid]
    • Y10T70/7068—Actuated after correct combination recognized [e.g., numerical, alphabetical, or magnet[s] pattern]

Definitions

  • the present invention relates to the field of locksmith and, more particularly, a device for redundant control intended to equip a lock with a access door to a protected site, this device being capable of managing a change of state of the lock, and maintain its current state.
  • FIG. 1 represents a conventional time lock comprising a mechanism 1 to lock and unlock an access door aforementioned type, via a bolt 3 of this lock.
  • Mechanism 1 is controlled by a 2 electronic control device, and is connected mechanically at the bolt 3.
  • Mechanism 1 is designed to lock the bolt 3 in a certain position (typically in the locked position), for a period predetermined defined by the control device 2.
  • the control device 2 comprises means for trigger 4 intended to request a change of state lock, and control means 5 intended for order this change of state.
  • the means of trigger 4 are electrically connected to the means of control 5 which are mechanically connected to mechanism 1, so that the trigger means 4 can supply the control means 5 with a request from a change of state of the lock, and that the means of command 5 can command mechanism 1 this change, i.e. locking or unlocking the access door.
  • the control device 2 comprises at besides a clockwork mechanism formed essentially by an internal clock 6 to define the passage of time real, and by a storage memory 7 for storing time information provided by an external user, through a user interface 8.
  • the user interface 8 comprises means display (not shown in Figure 1) to provide, to an external user, information relating to the operation of the control device 2.
  • control devices have been proposed to guarantee optimal security of sites to protect.
  • Most control devices commonly used are based on the principle of redundancy applied to the electronic components they use, from so that if one of the components fails the other electronic component can provide unlocking the access door to avoid destructive external intervention on this door or on his lock.
  • Patent BE 874 278 describes a control device combination for opening a type access door above.
  • Figure 1 of this document represents such a device.
  • the device includes a keyboard 1 allowing to introduce combinations, and two identical montages 2 and 2 '.
  • Montage 2 includes a first memory 3 containing the combination to unlock the lock, a second memory 4 arranged to receive, by via keyboard 1, the combination provided by the person wishing to unlock the lock, first means 5 arranged to compare the combination contained in the first memory 3 with the combination introduced in the second memory 4, and second means 6 arranged to cause the lock to be released, when they receive an appropriate signal from the first means 5.
  • the elements of the electronic assembly 2 ' are identical to the corresponding elements of assembly 2 and bear the same references as the latter, affected by premium sign.
  • An object of the present invention is to provide a redundant control device intended to equip a lock, this control device overcoming the problems above.
  • Another object of the present invention is to provide such a control device capable of adapt to different types of locks.
  • Another object of the present invention is to provide such a control device which has a optimal immunity against disturbance.
  • Another object of the present invention is to provide such a control device meeting the cost, simplicity and bulk requirements.
  • An advantage of the control means of the redundant control according to the present invention is to change the lock state only when both units provide the same setpoint simultaneously change of state request, which achieves a improved redundancy compared to redundant control according to the prior art.
  • a advantage of the two electronic units of this device control is that each electronic unit can detect a malfunction of the other unit, and can initiate a procedure to restore a normal operation of the disturbed command, or a procedure to activate the back-up system, in the event of a last resort, which ensures to this control device optimal immunity against disturbances.
  • a advantage of the intermediate unit of this device command is to make an intercession during a transfer of data between said electronic units, each electronic unit being able to selectively access the intermediate unit, which ensures that this device commands excellent immunity against disturbance.
  • a advantage of static control signals from this control device is to be able to control with the level of each static signal, which allows to control the activity in progress, and therefore to ensure great noise immunity to this control device versus signal-based operation dynamic.
  • a advantage of the redundant control system of this control device is to avoid tripping useless of the backup system, when the command is able to restore the normal operation of the ordered.
  • FIG. 2 shows a block diagram of a preferred embodiment of a redundant control according to the present invention.
  • the control device 20 is intended to equip a lock of an access door to a protected site, this lock comprising a mechanism 21 for locking and unlock the access door.
  • Mechanism 21 is connected mechanically to a bolt 22 of said lock, by a motor (not shown) capable of changing position of the bolt 22, to carry out the locking or the unlocking the access door.
  • the device control 20 includes a control system 23 to redundancy intended to control mechanism 21.
  • the control device 20 also includes a system of watchdog 24 suitable for triggering a system of emergency 25 able to command a door unlock access, when no activity is detected in the control system 23.
  • the control device 20 can also include advantageously a system for detecting a change in bolt position 26, a user interface 27, a external indicator 28 and alarms 29.
  • the bolt 22 includes first and second connected connecting means mechanically to mechanism 21 and to backup system 25, respectively, as will be described so Detailed.
  • the bolt 22 can be actuated by the mechanism 21 or by the emergency system 25.
  • the bolt 22 also includes third connected connecting means mechanically to the change detection system bolt position 26, as will also be described in detail.
  • the bolt 22 is made conventionally, as is known to those skilled in the art.
  • the position change detection system bolt 26 comprises first and second means of link. These first connecting means are connected mechanically to the third connection means of the bolt 22.
  • the second connecting means of the change of system bolt position 26 are electrically connected to the system 23, as will be described in more detail Detailed.
  • the change detection system bolt position 26 includes means for supplying signals arranged so that they provide signals to the control system 23, when a change in position of the bolt 22 takes place.
  • the detection system of change of bolt position 26 is formed, preferably by a mechanical switch known per se.
  • the mechanism 21 includes first, second and third means of connection. These first means of link are mechanically connected to the first means of bolt connection 22.
  • the second and third means of link of mechanism 21 are electrically connected to control system 23, as will be described so more detailed.
  • the mechanism 21 is produced conventionally, as is known to those skilled in the art.
  • the control system 23 includes means for control 30 capable of controlling the mechanism 21, first and second designated units 31 and 32, respectively, to provide first and second instructions to the control means 30, respectively, and an intermediate unit 33 electrically connected to units 31 and 32.
  • the control means 30 include first and second connecting means. These first means of connection are electrically connected to the second connecting means of the mechanism 21, so that the control means 30 can order the mechanism 21 to actuate the bolt 22.
  • the second connecting means of the control means 30 are electrically connected to units 31 and 32, like this will be described in more detail.
  • control means 30 are formed by a component sold by National under the name 74251.
  • unit 31 has a first structure and a first operation
  • the unit 32 has a second structure and a second operation.
  • These two units are arranged so that the first and second structures are significantly different, and that the first and second operations are also significantly different, while performing functions municipalities.
  • these common functions are the guarantee of the maintenance of the passage of time, the locking and unlocking the access door according to predetermined hourly conditions, the control of the activity of the other unit, and / or the checking the validity of access codes.
  • each unit 31, 32 comprises a resonator at quartz and means to guarantee the maintenance of the passage of time.
  • Each unit 31, 32 includes also means for supplying control signals to supply the other unit 32, 31 with signals control representing the current activity of said unit 31, 32, this unit 31, 32 being capable of achieving a plurality of activities.
  • Each unit 31, 32 also includes firsts, second, third and fourth connecting means, as will be described in more detail.
  • first means of connecting the units 31 and 32 are electrically connected to each other, as well as to second connecting means of the control means 30, and than to the third means of linking mechanism 21.
  • the second connecting means of the units 31 and 32 are electrically connected to each other, and the third means connecting units 31 and 32 are also connected electrically between them, as well as at the intermediate unit 33, as will be described in more detail.
  • the fourth connecting means of units 31 and 32 are electrically connected to the watchdog system 24, as will also be described in more detail Detailed.
  • Unit 31 also includes measuring means to measure the power supply levels, means for providing alarm control signals for provide alarm control signals when a disturbance or an abnormal situation is detected, and control means for controlling a display at display means, for example the external indicator 28.
  • the unit 31 includes fifths, sixths, seventh and eighth connecting means, as it goes be described in more detail.
  • Unit 31 thus has a more complex architecture than unit 32.
  • unit 31 is formed by a component sold by Hitachi under the name H8 / 3834
  • unit 32 is formed by a marketed component by NEC under the name UPD75P0016.
  • unit 31 performs more complex functions than unit 32.
  • the unit 31 manages the user interface 27, and the communication port with peripheral systems such as than the external indicator 28 and the alarms 29.
  • the unit 31 also manages the position detection system bolt 26.
  • the second connecting means of the bolt position detection system 26 are connected electrically to the unit's fifth connection means 31.
  • the intermediate unit 33 includes means for link electrically connected to the third means of linking units 31 and 32.
  • Intermediate unit 33 is consisting of storage means with two accesses, in which each unit 31, 32 can store data intended for subsequent supply to the other unit 32, 31.
  • These storage means consist of, preferably, a non-volatile memory and, again preferably an EEPROM memory.
  • EEPROM memory includes a shared area for store data from one of the units 31 and 32, and intended to be supplied later to the other unit.
  • the EEPROM memory is arranged so that the two units 31 and 32 can alternate access to the shared area, to protect data consistency exchanged with the EEPROM memory, in particular in the case where one of units 31 and 32 is the site of a disturbance or an abnormal situation.
  • memory EEPROM functions as an intercessor during a data transfer between units 31 and 32.
  • EEPROM memory maintains the log of events related to transactions made on the lock, changes in the state of the lock, detection of disturbances and anomalous situations.
  • the EEPROM memory also includes a protected area reserved whose write access is reserved for the unit 31.
  • This reserved protected area is intended to store user-programmed parameters, and operating variables.
  • programmed parameters include time data relating to an unlocking and / or a locking of access door, access codes, and variables identity of the lock, and the variables of operation include nominal voltage thresholds, the absolute error value of the vibration frequency of the quartz crystal, and parameters related to standards of quality.
  • the EEPROM memory is preferably formed by a component sold by XICOR under the name X24325S.
  • the watchdog system 24 includes first, second and third connecting means. These first and second connecting means are connected electrically to the fourth means of connecting the units 31 and 32, respectively.
  • the third means of connection of the watchdog system 24 are electrically connected to the backup system 25, as will be described from in more detail.
  • the watchdog system 24 is described in European patent 0 256 430.
  • the watchdog system 24 consists detection means for detecting the presence of activity of units 31 and 32, and of means of trigger to trigger the backup system 25, when the two units 31 and 32 no longer work for a period longer than a predetermined duration, typically 5 s.
  • the backup system 25 includes first and second connecting means. These first and second means of connection are electrically connected to the third connection means of the watchdog system 24, and mechanically to the second connection means of the bolt 22.
  • the backup system 25 further comprises a motor additional and control means arranged so that they can control this motor to achieve a change of position of bolt 22, when no presence activity is not detected in the control system 23, through the watchdog system 24.
  • the user interface 27 includes means for link electrically connected to the sixth means of connection of unit 31.
  • the interface user 27 includes liquid crystal display and a keyboard.
  • the external indicator 28 comprises means for connection electrically connected to the seventh means of connection of unit 31.
  • the external indicator 28 comprises display means, a calculator and a keyboard. These different components are located outside of the protected site, and are arranged so that a users outside of this site can provide unit 31 with access codes, restore status lock, and lock the access door, by through the external indicator 28. It goes without saying that these different functions are only given as illustrative.
  • the alarms 29 include connection means electrically connected to the eighth connecting means of the unit 31.
  • the alarms 29 also include means providing alarm signals, these means being arranged so that they provide alarm signals, when they receive the alarm control signals from unit 31.
  • the alarms 29 consist of first and second relays bistables known per se, to which are connected, by example, a telephone transmitter and a transmitter sound, respectively.
  • FIG 3 shows in more detail the connecting means which connect the different components described above in relation to Figure 2.
  • FIG 3 shows the same components as those described in connection with Figure 2, and these components are designated by the same references in Figures 2 and 3.
  • each means of connecting the unit 31 provides and / or receives specific signals, such as this is described in detail below.
  • the first means of linking unit 31 provide signals designated UC1_OK, UC2_OK, ORDER1 and CRS_END, and receive the signals UC2_OK and CRS_END and a signal designated ORDER2.
  • the control means 30 do take more account of the instructions provided by unit 31.
  • the ORDER1 signal is supplied as a setpoint by unit 31, and allows unit 32 to control the validity of the instruction provided by unit 31.
  • Unit 32 can determine if the ORDER1 signal is correct when the access door is locked, or when the lock works as a time lock.
  • unit 31 sets the CRS_END signal to low, the motor likely to change the position of the bolt 22 can start in the direction defined by the control means 30.
  • this cam maintains the CRS_END signal at low level, allowing this cam to continue its race.
  • signal CRS_END is set high, and the motor is again blocked. So if unit 31 wants apply the ORDER1 and ORDER2 signals, it puts the CRS_END signal low for 100 ms.
  • the signal CRS_END also allows unit 31 to detect if the came to realize its movement. Unit 31 can thus detect an engine problem, if the signal CRS_END initially at the high level is maintained at the low level for a predetermined period, typically less than 200 ms or more than 5 s.
  • the UC2_OK signal is high, this signal indicates that unit 32 is operational. If unit 32 is reset, it puts the signal UC2_OK at the level low, then this signal goes high again when this reset procedure is complete. The unit 31 can impose a low level on the UC2_OK signal and, in this case, the control means 30 no longer take into account the ORDER2 signal.
  • the ORDER2 signal is supplied as a setpoint by unit 32. This signal is redefined every half-second, and corresponds to an "unlock request” when this signal is high, and at a “request to lock "when this signal is low.
  • the second means of connecting the unit 31 provide signals designated EEP1, MDE0, MDE1, MDE2 and RESET2, and receive signals designated EEP2 and RESET1.
  • the EEP1 signal supplied by the unit 31 is used to indicate to unit 32 that unit 32 can access the EEPROM memory without risk of conflict with the unit 31.
  • the signal EEP1 is used to indicate to unit 32 the period during which access to memory EEPROM is reserved for unit 31. Every second, the unit 31 sets the signal EEP1 to the high level or to the level low. Thus, the signal EEP1 at the high level indicates that access is reserved for unit 31, and therefore unit 32 cannot access EEPROM memory.
  • the signal EEP2 supplied by the unit 32 is used to indicate to unit 31 that unit 31 can access EEPROM memory without risk of conflict with unit 32.
  • the signals MDE0, MDE1 and MD2 supplied by the unit 31 to the unit 32 represent the current activity of the unit 31.
  • Table 1 represents eight different activities of the unit 31, as well as the predetermined values of the signals MDE0, MDE1 and MD2, associated with these activities.
  • Activity A corresponds to an ongoing failure of a component of the control device 20, for example an inconsistency in the content of the EEPROM memory.
  • Activity B corresponds to the provision of a new event in EEPROM memory.
  • Activity C corresponds to an occupation during access User.
  • Activity D corresponds to a synchronization of unit 32 by unit 31.
  • Activity E corresponds to a remote control locking of said access door.
  • Activity F corresponds to an activation of the emergency system 25.
  • Activity G corresponds to a reliability check performed on components of the lock.
  • Activity H corresponds to an operation in normal situation of unit 31, and is supplied by default at unit 32, such an operation being defined later in detail. So the signals MDE0, MDE1 and MDE2 go through the state "111", when the unit 31 goes from one state to another. Such changes can happen when the next second passes.
  • the RESET1 signal allows the unit 32 to reset unit 31, when unit 32 lowers this signal for at least 40 ⁇ s. This procedure occurs when unit 32 detects that unit 31 is not operating in normal situation. In the event of a prolonged malfunction, the unit 32 keeps the RESET1 signal low, and the unit 31 is then disconnected.
  • RESET2 signal is used by the unit 31 to reset or disconnect the unit 32.
  • control signals of the control device 20 are static, when operation of the control device 20. Otherwise says, the signals EEP1, EEP2, MDE0, MDE1, MDE2, RESET1 and RESET2 are equal to low and high levels. Such advantageously allows control with precision of the level of each signal, which allows precisely control the activity in progress. So, this operation provides the control device 20 with a high noise immunity, unlike a operation based on dynamic signals.
  • the third means of linking unit 31 provide signals designated WP, SCL and SDA to the EEPROM memory, and receive SDA signal from memory EEPROM.
  • the signal WP allows the unit 31 to have access in write to said reserved protected area of the memory EEPROM.
  • the SCL signal is the clock signal which allows synchronize data transfers from and to the EEPROM memory.
  • the SDA signal provides serial data between the EEPROM memory and the unit 31, 32.
  • the fourth connecting means of unit 31 provide a signal designated RST_SOS1.
  • the signal RST_SOS1 allows to reset the system watchdog 24.
  • the unit 31 When unit 31 operates in normal situation, the unit 31 resets the system of watchdog 24, reversing every second the level of this signal.
  • unit 31 When unit 31 is no longer in activity, or if it wants to activate the backup system 25, unit 31 no longer resets the dog system guard 24.
  • the unit's fourth connecting means 32 provide a signal designated RST_SOS2 which allows unit 32 to reset the watchdog system 24, and activate the backup system 25.
  • the fifth means of connection for unit 31 receive a signal designated BOLT_LCK.
  • the seventh means of connection for unit 31 provide a signal designated TXD, and receive a signal designated RXD.
  • the TXD signal provides asynchronously data from unit 31 to external indicator 28, such as this is known to those skilled in the art.
  • the RXD signal provides asynchronously data from outdoor indicator 28 to unit 31, such as this is also known to those skilled in the art.
  • the eighth connection means of unit 31 provide signals designated REL1_SET, REL2_SET and REL_RST, these signals being used as signals of alarm control.
  • the REL1_SET signal activates the first bistable relay alarms 29.
  • the REL2_SET signal activates the second bistable relay alarms 29.
  • the REL_RST signal deactivates the first and second bistable alarm relays 29.
  • control system 23 with redundancy of the control device 20 comprises two units 31 and 32 which perform common functions relating to the management of a change of state of the lock according to predetermined conditions, and at the guarantee of the maintenance of the current state until the next change of state. Therefore, only the operation of unit 31, this unit then being chosen arbitrarily.
  • a normal situation as a situation during which the two units 31 and 32 provide the same instruction to the control means 30.
  • an abnormal situation like a situation at during which an internal or external effect at control device 20 modifies the operation of this device in relation to its operation in situation normal.
  • Such an effect is usually caused by a disturbance the nature of which may be voluntary, for example example a change of position of the bolt 22 or a lock picking, or involuntary, by example component failure, activity adjacent industrial, or atmospheric activity such as a solar explosion or discharge high intensity electromagnetic.
  • an exceptional situation like a situation producing following the detection of a disturbance or an abnormal situation resulting in: the supply of two different setpoints by the two units 31 and 32, for example one asking mechanism 21 to unlocking the access door, and the other asking its locking; or the absence of presence of activity of minus one of units 31 and 32.
  • the control device 20 then triggers a specific procedure to restore the operation corresponding to the operation in normal situation prior to said detection.
  • control device 20 there are basically two modes of operation of the control device 20: a operation in normal situation, and operation in an exceptional situation.
  • Figure 4 represents operating chronograms of the redundant control device 20 according to the present invention, in the case of a normal situation during which the control device 20 will unlock the access door, then lock it again.
  • references 41 to 58 of Figure 4 designate the timing diagrams of the signals RESET1, RESET2, RST_SOS1, RST_SOS2, UC1_OK, UC2_OK, ORDER1, ORDER2, CRS_END BOLT_LCK.
  • the two units 31 and 32 are operational, and are therefore not reset. Therefore, the signal UC1_OK (curve 45) and the signal UC2_OK (curve 46) are level high, as well as the RESET1 signal (curve 41) and the signal RESET2 (curve 42).
  • the two units 31 and 32 reset periodically the watchdog system 24, such so that the backup system 25 is not activated.
  • the signal RST_SOS1 (curve 43) and the signal RST_SOS2 (curve 44) are inverted so that the signal RST_SOS1 (curve 43) is set high when the signal RST_SOS2 (curve 44) is set low, and vice versa.
  • the units 31 and 32 also provide the same setpoint.
  • the signal ORDER1 (curve 47) and the signal ORDER2 (curve 48) are at the same level.
  • the means to control 30 operate as an AND gate at the inputs from which the signals ORDER1 and ORDER2 are supplied, respectively.
  • unit 31 indicates to unit 32 that it works in normal situation, which allows unit 32 to check it.
  • the signal EEP1 (curve 54) is reversed every second.
  • unit 32 indicates to unit 31 that it operates in normal situation.
  • the signal EEP2 (curve 55) is inverted every second, so that the signal EEP1 (curve 54) is set high when the signal EEP2 (curve 55) is set low, and vice versa.
  • the means control 30 receive these two instructions as input and, after validation by the signal CRS_END (curve 49), provide the mechanism 21 with an order to maintain the current state of the lock, i.e. the motor does not is not triggered, and that the bolt 22 has not changed position.
  • the signal CRS_END (curve 49) and the signal BOLT_LCK (curve 50) are at the high level.
  • the control means 30 receive as input this change of status of the instructions and, after validation by signal CRS_END (curve 49), provide output to mechanism 21 the order to change the current state of the lock, i.e. to trigger the engine to change the position of the bolt 22.
  • the signal CRS_END (curve 49) is set low so that the cam of this motor leaves its end position. Then this cam keeps signal CRS_END (curve 49) low so that it continues its course.
  • the cam is at the end of the race, it puts the signal CRS_END (curve 49) at the high level, which blocks the engine.
  • the access door is then unlocked. Other says, the bolt 22 has changed position, which is detected by the position change detection system bolt 26.
  • the signal BOLT_LCK (curve 50) is then set to low level.
  • the signal EEP1 (curve 54) is at the high level.
  • the unit 31 has access by write to EEPROM memory, and write a new event in the reserved shared area of this memory, by via the SDA signal (curve 57) and the SCL signal (curve 58). For example, this event is the locking the access door at a time t6.
  • the unit 31 informs the unit 32 that a new event is available in EEPROM memory, this which corresponds to activity B described above in relation with table 1.
  • the signal MDE0 curve 51
  • the signal MDE1 curve 52
  • the signal MDE2 curve 53
  • the signal EEP2 (curve 55) being at high level, unit 32 has read access to the zone shared from EEPROM, and reads the new event available in this area, via signal SDA (curve 57) and the SCL signal (curve 58).
  • the unit 31 informs the unit 32 that it works in normal situation, which corresponds to activity H described above in relation to the table 1.
  • the signal MDE0 (curve 51) is maintained at high level
  • the situation is therefore similar to the initial situation, and repeats, except for signal ORDER1 (curve 47) and signal ORDER2 (curve 48) which are at the high level so that maintain the current state of the lock, i.e. the locking the access door.
  • Figure 5 represents operating chronograms of the control device according to the present invention, in the case of an exceptional situation linked, in this case, to no activity of unit 32.
  • references 59 to 76 of Figure 5 designate the timing diagrams of the signals RESET1, RESET2, RST_SOS1, RST_SOS2, UC1_OK, UC2_OK, ORDER1, ORDER2, CRS_END, BOLT_LCK, MDE0, MDE1, MDE2, EEP1, EEP2, WP, SDA, SCL, respectively, these signals can be set to a low level designated "0", or at a high level designated "1".
  • the unit 31 notes that the unit 32 no longer reverses the EEP2 signal (curve 73), and attempts to reset by setting the RESET2 signal (curve 60) to low level for 1 ms.
  • unit 31 puts also the signal UC2_OK (curve 64) at the low level, from so that the control means 30 no longer hold ORDER2 signal count (curve 66).
  • unit 31 then has write access to the memory EEPROM, and writes its own time value in the area shared protected from this memory, through the SDA signal (curve 75) and SCL signal (curve 76).
  • the signal EEP2 (curve 73) being at the high level, unit 32 reads the value written in this protected area reserved.
  • the unit (curve 76) 31 notes that unit 32 is still not active, and is trying to new reset of unit 32 by signal RESET2 (curve 60). The situation is similar to that described at time t11, and repeats.
  • unit 31 decides to "disconnect" unit 32 maintaining the RESET2 signal (curve 60) at the low level. Thereafter, the control device 20 only works from unit 31.
  • the access door is unlocked following the only supply of signal ORDER1 (curve 65) which is set at the high level, which realizes the change of state of the lock at the instant previously programmed.
  • the control system 23 has implemented its function redundancy to manage a change of state of the lock according to predetermined conditions, and for guarantee the maintenance of the current state until the next change of state.
  • the unit 31 does not no longer provides the instruction to lock the door again access, without outside technical intervention does not take place.
  • the access door is then advantageously unlocked, which avoids to carry out a destructive intervention on this door or on his lock.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
  • Alarm Systems (AREA)

Claims (17)

  1. Redundante Steuervorrichtung (20), die als Ausrüstung eines Schlosses vorgesehen ist, das einen Mechanismus (21) zum Verriegeln und Entriegeln einer Tür aufweist, wobei diese Steuervorrichtung (20) wenigstens eine Zustandsänderung dieses Schlosses in Übereinstimmung mit vorgegebenen Bedingungen steuern und die Aufrechterhaltung des momentanen Zustandes bis zur nächsten Zustandsänderung gewährleisten kann, wobei die Steuervorrichtung (20) umfasst:
    ein redundantes Steuersystem (23), das Steuermittel (30) zum Steuern des Mechanismus (21) und wenigstens eine erste und eine zweite elektronische Einheit (31; 32), die dazu bestimmt sind, an die Steuermittel (30) ähnliche Sollwerte zu liefern, umfasst, wobei sich die Steuermittel funktionell wie ein UND-Gatter verhalten, an dessen Eingänge die Sollwerte der Einheiten (31; 32) geliefert werden, wenn die Steuervorrichtung (20) in einer normalen Situation arbeitet; und
    eine Anwenderschnittstelle (27) zwischen der Steuervorrichtung (20) und einem Anwender;
       wobei die Steuervorrichtung (20) dadurch gekennzeichnet ist, dass
    die erste elektronische Einheit (31) eine erste Struktur und eine erste Funktionsweise hat und die zweite elektronische Einheit (32) eine zweite Struktur und eine zweite Funktionsweise hat, wobei diese zwei elektronischen Einheiten (31; 32) so beschaffen sind, dass die erste und die zweite Struktur wesentlich verschieden sind und dass die erste und die zweite Funktionsweise wesentlich verschieden sind, wobei sie dennoch gemeinsame Funktionen erfüllen.
  2. Steuervorrichtung (20) nach Anspruch 1, dadurch gekennzeichnet, dass die gemeinsamen Funktionen die Gewährleistung der Aufrechterhaltung des Zeitablaufs, der Entriegelung und der Verriegelung der Tür in Übereinstimmung mit vorgegebenen zeitlichen Bedingungen, die Kontrolle des Vorliegens einer Aktivität der anderen Einheit und/oder die Kontrolle der Gültigkeit von Zugangscodes sind.
  3. Steuervorrichtung (20) nach einem der Ansprüche 1 und 2, die außerdem ein Überwachungssystem (24) umfasst, das aus Erfassungsmitteln zum Erfassen des Vorliegens einer Aktivität der elektronischen Einheiten (31; 32) und aus Auslösemitteln zum Auslösen eines Sicherungssystems (25), wenn die zwei elektronischen Einheiten (31; 32) während einer Zeitspanne, die länger als eine vorgegebene Zeit ist, nicht mehr arbeiten, gebildet ist.
  4. Steuervorrichtung (20) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Steuersystem (23) außerdem eine Zwischeneinheit (33) umfasst, die elektrisch zwischen die elektronischen Einheiten (31; 32) geschaltet und dazu bestimmt ist, als Zwischenunterbrecher bei einer Datenübertragung zwischen den elektronischen Einheiten (31; 32) zu dienen sowie der Aufrechterhaltung des Protokolls der Ereignisse, die mit Zustandsänderungen des Schlosses, mit der Erfassung von Störungen und mit anomalen Situationen in Verbindung stehen, zu dienen.
  5. Steuervorrichtung (20) nach Anspruch 4, dadurch gekennzeichnet, dass die Zwischeneinheit (33) aus Speichermitteln mit wenigstens zwei Zugängen gebildet ist, in der jede elektronische Einheit (31; 32) Daten speichern kann, die dazu bestimmt sind, später an die andere elektronische Einheit (32; 31) geliefert zu werden, um die Zwischenunterbrechungsfunktion auszuführen.
  6. Steuervorrichtung (20) nach Anspruch 5, dadurch gekennzeichnet, dass die Speichermittel aus einem nichtflüchtigen Speicher gebildet sind.
  7. Steuervorrichtung (20) nach Anspruch 5, dadurch gekennzeichnet, dass die Speichermittel aus einem EEPROM-Speicher gebildet sind.
  8. Steuervorrichtung (20) nach Anspruch 7, dadurch gekennzeichnet, dass der EEPROM-Speicher umfasst:
    eine unterteilte Zone, um Daten zu speichern, die von einer der elektronischen Einheiten (31; 32) stammen und dazu bestimmt sind, später an die andere elektronische Einheit (32; 31) geliefert zu werden; und
    eine reservierte geschützte Zone, deren Schreibzugriff der ersten elektronischen Einheit (31) vorbehalten ist, wobei diese Zone dazu bestimmt ist, vom Anwender programmierte Kenngrößen und Funktionsvariablen zu speichern.
  9. Steuervorrichtung (20) nach Anspruch 8, dadurch gekennzeichnet, dass die programmierten Kenngrößen Zeitdaten umfassen, die auf eine Entriegelung und/oder eine Verriegelung der Tür, auf die Zugangscodes und auf Identitätsvariablen des Schlosses bezogen sind.
  10. Steuervorrichtung (20) nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass die Funktionsvariablen Nennspannungsschwellenwerte, der Wert des absoluten Fehlers der Schwingungsfrequenz des Quarzkristalls und die mit den Qualitätsnormen in Beziehung stehenden Kenngrößen sind.
  11. Steuervorrichtung (20) nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass der EEPROM-Speicher außerdem so beschaffen ist, dass die zwei elektronischen Einheiten (31; 32) abwechselnd auf die geteilte Zone zugreifen können, um die Kohärenz der mit dem EEPROM-Speicher ausgetauschten Daten insbesondere in dem Fall, in dem eine der elektronischen Einheiten (31; 32) der Ort einer Störung oder einer anomalen Situation ist, zu schützen.
  12. Steuervorrichtung (20) nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die erste elektronische Einheit (31) umfasst:
    Messmittel zum Messen des elektrischen Versorgungspegels;
    Mittel zum Liefern von Alarmsteuersignalen, die Alarmsteuersignale liefern, wenn eine Störung oder eine anomale Situation erfasst wird; und
    Steuermittel zum Steuern einer Anzeige in Anzeigemitteln.
  13. Steuervorrichtung (20) nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass jede elektronische Einheit (31; 32) außerdem Mittel zum Liefern von Kontrollsignalen umfasst, um an die andere elektronische Einheit (32; 31) Kontrollsignale zu liefern, die die momentane Aktivität der elektronischen Einheit (31; 32) repräsentieren, wobei diese Einheit (31; 32) geeignet ist, mehrere Aktivitäten auszuführen, und außerdem Verbindungsmittel umfasst, um die elektronischen Einheiten (31; 32) elektrisch miteinander zu verbinden, wobei diese Mittel so beschaffen sind, dass jede elektronische Einheit (31; 32) die Kontrollsignale an die jeweils andere elektronische Einheit (32; 31) liefern kann.
  14. Steuervorrichtung (20) nach Anspruch 13, dadurch gekennzeichnet, dass sie außerdem elektrische Widerstände als Schutzmittel umfasst, wobei diese Widerstände mit den Verbindungsmitteln in Reihe geschaltet sind.
  15. Steuervorrichtung (20) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie außerdem Mittel zum Liefern von Alarmsignalen umfasst, wobei diese Mittel so beschaffen sind, dass sie Alarmsignale liefern, wenn sie von der ersten elektronischen Einheit (31) die Alarmsteuersignale empfangen.
  16. Steuervorrichtung (20) nach einem der vorhergehenden Ansprüche, die außerdem ein Erfassungssystem (26) umfasst, das so beschaffen ist, dass es Erfassungssignale liefert, wenn eine Zustandsänderung des Schlosses erfolgt.
  17. Steuervorrichtung (20) nach Anspruch 16, dadurch gekennzeichnet, dass das Erfassungssystem (26) aus einem mechanischen Ein/Aus-Schalter gebildet ist.
EP19970108687 1997-05-30 1997-05-30 Redundante Steuerungsvorrichtung für ein Schloss Expired - Lifetime EP0886023B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE1997630121 DE69730121T2 (de) 1997-05-30 1997-05-30 Redundante Steuerungsvorrichtung für ein Schloss
AT97108687T ATE272774T1 (de) 1997-05-30 1997-05-30 Redundante steuerungsvorrichtung für ein schloss
EP19970108687 EP0886023B1 (de) 1997-05-30 1997-05-30 Redundante Steuerungsvorrichtung für ein Schloss
CA 2289603 CA2289603C (en) 1997-05-30 1998-05-22 Redundancy control device for equipping a lock
US09/424,217 US6608548B1 (en) 1997-05-30 1998-05-22 Control device with redundancy for fitting to a lock
PCT/CH1998/000214 WO1998054428A1 (fr) 1997-05-30 1998-05-22 Dispositif de commande a redondance destine a equiper une serrure
ARP980102542 AR015838A1 (es) 1997-05-30 1998-05-29 Dispositivo para el comando redundante, destinado a equipar una cerradura.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19970108687 EP0886023B1 (de) 1997-05-30 1997-05-30 Redundante Steuerungsvorrichtung für ein Schloss

Publications (2)

Publication Number Publication Date
EP0886023A1 EP0886023A1 (de) 1998-12-23
EP0886023B1 true EP0886023B1 (de) 2004-08-04

Family

ID=8226846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970108687 Expired - Lifetime EP0886023B1 (de) 1997-05-30 1997-05-30 Redundante Steuerungsvorrichtung für ein Schloss

Country Status (7)

Country Link
US (1) US6608548B1 (de)
EP (1) EP0886023B1 (de)
AR (1) AR015838A1 (de)
AT (1) ATE272774T1 (de)
CA (1) CA2289603C (de)
DE (1) DE69730121T2 (de)
WO (1) WO1998054428A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030002752A1 (en) * 2001-06-29 2003-01-02 Daniels Mark E. Plastic shopping bag with promotional strip ad and method and apparatus for producing the same
EP1498841B1 (de) * 2003-07-14 2010-03-24 EM Microelectronic-Marin SA Schaltkreis für einen Mehrzwecktransponder und Verfahren zur Speicherverwaltung desselben
EP2050902A1 (de) * 2007-10-18 2009-04-22 USM Holding AG Mechatronisches Möbelschloss
KR101946368B1 (ko) 2012-11-29 2019-02-11 엘지전자 주식회사 모바일 디바이스 및 그 제어 방법
US9819788B2 (en) * 2014-04-22 2017-11-14 Graham Dugoni System and apparatus for selectively limiting user control of an electronic device
CN104299301A (zh) * 2014-09-22 2015-01-21 哈尔滨工业大学 一种无孔电控防盗门容错控制系统
US10623957B2 (en) * 2015-04-21 2020-04-14 Graham Dugoni System and apparatus for selectively limiting user control of an electronic device

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Publication number Priority date Publication date Assignee Title
BE874278A (fr) * 1979-02-19 1979-06-18 Del Favero Charles T Coffre-fort
US5136704A (en) * 1989-06-28 1992-08-04 Motorola, Inc. Redundant microprocessor control system using locks and keys
FR2661938A1 (fr) 1990-05-14 1991-11-15 Ciposa Microtech Dispositif de commande de l'ouverture temporisee d'une serrure.
US5410444A (en) * 1992-10-27 1995-04-25 Idx, Inc. Electronic control system for a locked drawer
US6359547B1 (en) * 1994-11-15 2002-03-19 William D. Denison Electronic access control device

Also Published As

Publication number Publication date
AR015838A1 (es) 2001-05-30
US6608548B1 (en) 2003-08-19
DE69730121D1 (de) 2004-09-09
ATE272774T1 (de) 2004-08-15
EP0886023A1 (de) 1998-12-23
DE69730121T2 (de) 2005-08-11
CA2289603C (en) 2007-01-23
WO1998054428A1 (fr) 1998-12-03
CA2289603A1 (en) 1998-12-03

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