EP0446574B1 - Central locking system and locking device for a vehicle and method for control of the same - Google Patents

Central locking system and locking device for a vehicle and method for control of the same Download PDF

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Publication number
EP0446574B1
EP0446574B1 EP19910100486 EP91100486A EP0446574B1 EP 0446574 B1 EP0446574 B1 EP 0446574B1 EP 19910100486 EP19910100486 EP 19910100486 EP 91100486 A EP91100486 A EP 91100486A EP 0446574 B1 EP0446574 B1 EP 0446574B1
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EP
European Patent Office
Prior art keywords
control
locking
lock cylinder
unlocking
securing device
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
EP19910100486
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German (de)
French (fr)
Other versions
EP0446574A2 (en
EP0446574A3 (en
Inventor
Klaus Dipl.-Ing. Claar
Hans Dipl.-Ing. Deischl
Martin Dipl.-Ing. Lindmayer (Fh)
Jürgen Dipl.-Ing. Moczygemba
Jürgen Dipl.-Ing. Schrader (FH)
Josef Dipl.-Ing. Schumacher (Fh)
Claus Dipl.-Ing. Töpfer
Peter Dipl.-Ing. Robitschko (Fh)
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
Mercedes Benz AG
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Application filed by Daimler Benz AG, Mercedes Benz AG filed Critical Daimler Benz AG
Publication of EP0446574A2 publication Critical patent/EP0446574A2/en
Publication of EP0446574A3 publication Critical patent/EP0446574A3/en
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Publication of EP0446574B1 publication Critical patent/EP0446574B1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00Vehicle locks characterised by special functions or purposes
    • E05B77/46Locking several wings simultaneously
    • E05B77/48Locking several wings simultaneously by electrical means
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/50Special application
    • Y10T70/5889For automotive vehicles

Definitions

  • the invention relates to a method for controlling a central locking system and a security device for motor vehicles with the features of the preambles of claims 1 and 2 and a central locking system and security device with the features of the preambles of claims 3 and 8, which from DE 35 13 555 C2 are known.
  • the respective generic control method can also be derived from the same patent specification.
  • To control an additional security or blocking device for the actuating elements of a central locking system via a locking cylinder there is a first microswitch for switching on and a second microswitch for switching off the actuating element blocking - which mechanically prevents the opening of a secured vehicle from the inside after a window pane has been knocked in - Assigned to the lock cylinder mentioned.
  • a third microswitch is assigned to the locking cylinder for controlling the central locking system; this control itself is not described in the cited patent.
  • a lockable actuator that can be used in a generic device is known from DE 38 04 838 C1.
  • the additional safety device is switched on, the purely mechanical unlocking of the lock assigned to it and thus the use of the vehicle is possible even in the event of a possible failure of the on-board voltage required to switch off the safety device.
  • the central locking system is controlled by the switching states 1) and 2) in the unlocking or locking direction, and by the switching state 3) the safety device is switched on.
  • the sequence "first lock, then secure” is easily adhered to, because the central locking system is already activated in the locking direction by the single signal from the locking control switch and the safety device is only activated in the locking direction after the simultaneous actuation of the unlocking control switch can.
  • a separate "unlocking position” is not necessary here because the safety device - in a manner known per se (DE 33 34 049 C2) - can be switched off again by a simple control signal "unlocking" the unlocking control switch (when the key is turned in the unlocking direction).
  • the required ranking is guaranteed by internal signal processing.
  • the method claim 2 discloses, as well as the switching state 3), in which the two control switches are operated simultaneously after switching, can advantageously be evaluated to produce different switching effects by taking into account the switching sequence of the control switches.
  • the mechanical safety device unlock when the first and both remain one for the lock and then used for the unlocking control switch is operated operated even once. So far the arrangement corresponds to that already described.
  • the mechanical locking device can only be switched off when first actuated for unlocking and then used for the locking control switch and control both remain still actuated at the same time.
  • the time sequence "first unlock, then unlock” is ensured, which can happen, for example, by not processing a simple unlocking control signal from the unlocking control switch when the safety device is switched on due to electrical suppression.
  • the respective switching state of the safety device can be easily stored and queried in a central control device in a known manner.
  • a central control circuit 1 is divided into a central locking part ZV and a safety part DS, both of which are connected to a voltage source 2.
  • the central control circuit 1 is followed by control elements 3, which in turn each have a central locking drive ZVE and a safety drive DSE, wherein the drive ZVE can be activated by the central locking part ZV and the drive DSE by the safety part DS of the central control circuit 1.
  • control elements 3 which in turn each have a central locking drive ZVE and a safety drive DSE, wherein the drive ZVE can be activated by the central locking part ZV and the drive DSE by the safety part DS of the central control circuit 1.
  • the central locking part ZV and the drives ZVE together form the central locking system, while the security device is formed by the security part DS and the drives DSE.
  • the drives ZVE and DSE shown only schematically, can be operated in a known manner electromagnetically, electromotively or pneumatically.
  • First (unlocking) control switches 5 are connected to an unlocking control input ZV ent of the central locking part ZV via a control line 4 and second (locking) control switches 7 are connected to a locking control input ZV ver via a control line 6, the structural arrangement and execution of which will be discussed later.
  • Second (locking) control switches 7 are connected to a locking control input ZV ver via a control line 6, the structural arrangement and execution of which will be discussed later.
  • a pair of an unlocking control switch 5 and a locking control switch 7 is assigned to a locking point FT in the driver's door or BT in the passenger's door, further locking points being able to be electrically connected in the same way.
  • all the control switches with respect to the central control circuit 1 or their inputs are at the same electrical potential P.
  • a DS DS performs a control line 8 are connected to the outputs of AND gates.
  • control switches are connected 5 and 7 a closed position at the two inputs in each case one of the AND gates 9, so that an output signal of the AND gates and therefore a signal on control line 8 and the backup control input DS only results when both control switches 5 AND 7 are switched simultaneously (see FIG. 3a).
  • this signal is used to switch on or activate the mechanical safety device or control element blocking.
  • voltage supplies for the logic gates and any necessary inverters, etc. have been omitted.
  • the unlocking control switches 5 of the various locking points are connected to a control line 10 which is connected to an unlocking control input DS from the securing part DS;
  • a control line 10 which is connected to an unlocking control input DS from the securing part DS;
  • the security device DS / DSE is first switched off, if appropriate, and the central locking system ZV / ZVE is then activated in the unlocking direction.
  • the dashed continuation of the control lines 4, 6, 8 and 10 makes it clear that in principle any number of closing points or pairs of control switches can be connected.
  • a possible structural arrangement of the control switches 5 and 7 at a closing point can be seen in FIG. 2 .
  • a locking cylinder 11 can be pivoted with a key S out of the neutral center or key withdrawal position shown in the locking or securing direction (arrow V, clockwise) and in the unlocking or unlocking direction (arrow E, counterclockwise).
  • a pressure point device 13 On a lock nut 12, which, as indicated by a broken double line, is connected in a rotationally fixed manner to the lock cylinder 11, on the one hand a pressure point device 13 is shown in simplified form, which has a noticeable mechanical resistance at a pivoting angle ⁇ of approximately 55 ° in the sense of securing the further pivoting opposed. This mechanical resistance is desirable to provide tactile information to the vehicle user to turn on the safety condition of his vehicle.
  • the lock nut 12 are the two control switches 5 and 7 - pushbutton switches in micro design with switching plungers 5.1 and 7.1 - spatially adjacent; for its actuation, the lock nut has 12 different switching cams corresponding to the switching plungers.
  • the arrangement in the drawing was chosen according to size ratios and relative positions with the purpose of clarifying the position of the switching angle at which the control switches 5 and 7 are actuated or switched on when the locking cylinder 11 is pivoted, and is therefore not to scale.
  • the indicated switching plungers 5.1 and 7.1 of the control switches are located in different levels - which in turn lie parallel to the plane of the drawing -, and the corresponding switching cams are located in correspondingly different levels on the circumference of the lock nut 12.
  • the first switching cam 14 actuates the control switch 5 when the locking cylinder 11 is pivoted counterclockwise, its switching angle ⁇ , which defines the regular unlocking position of the locking cylinder 11, being approximately 20 °.
  • the second switching cam 15 actuates the control switch 7 when the locking cylinder 11 is pivoted clockwise, its switching angle ⁇ , which defines the regular locking position of the locking cylinder 11, also being approximately 20 °.
  • control switch 7 remains switched at the same time, there is a common switching state which can be evaluated to switch on the safety device DS / DSE, as has already been described in connection with FIG. 1. All switching angle information relates to the neutral key withdrawal position (0 °).
  • FIG. 3 shows a simple example circuit with the logic gates of which the common switching state of both control switches 5 and 7 can still be evaluated according to the switching sequence of the two switches in order to produce different effects, as already described.
  • the locking cylinder can also be pivoted in a known manner in the unlocking direction beyond the regular unlocking position into a unlocking position, the unlocking control switch 5 being switched first and then the locking control switch 7 being additionally switched in the unlocking position, in reverse of that already associated with FIG 2 described operation. The latter is of course also maintained here when the lock cylinder is pivoted in the locking direction.
  • the mechanical arrangement essentially corresponds to that shown in FIG. 2, with a switching cam 16 ′ (indicated by dashed lines in FIG.
  • FIG 3a the schematic qualitative diagram of the switching times of the control switches 5 and 7 plotted over shows the pivoting angles of the locking cylinder 11, there is a vertical axis for the neutral key withdrawal position of the locking cylinder 11 at 0 °.
  • An upper horizontal axis stands for the control switch 5, a lower horizontal axis for the control switch 7.
  • the (positive) pivoting angles of the locking cylinder in the clockwise direction in the direction V or in the left in the E direction are the (negative) pivoting angles thereof applied counterclockwise.
  • the respective switching states of the control switches are shown here only by logic levels "0" (unactuated idle state) and "1" (switched state).
  • control switch 7 is switched to the state "1" at a swivel angle + ⁇ of the locking cylinder. It remains switched during further swiveling of the lock cylinder in the same direction, whereby after passing the pressure point angle + ⁇ a swivel angle + ⁇ is finally reached, in which the control switch 5 is also switched to its switching state "1", which results in a first common switching state, as above already mentioned.
  • the angle + ⁇ corresponds to the regular locking position of the lock cylinder 11, while the angle + ⁇ corresponds to the locking position SI, as has already been described above.
  • control switch 5 is initially switched to its "1" state, corresponding to the regular unlocking position of the locking cylinder 11. If the swivel movement is continued beyond a further pressure point angle - ⁇ - the control switch 7 remains in the "1" state "-, in addition, the control switch 5 is also switched to its" 1 "state at a swivel angle - ⁇ , which corresponds to the already mentioned unlocking position, so that there is a further common switching state of both control switches.
  • the two common switching states which are set in each case at swivel angles + ⁇ and - ⁇ , can easily be distinguished by the switching sequence in which they come about, as described below.
  • the output signal of the timing element T5 is fed to a third input of the AND gate 9.1 and the output signal of the timing element T7 is fed to a third input of the AND gate 9.2.
  • AND gates 17 and 18 could also be implemented by relays with break contacts, which in turn should be controllable by the timing elements T5 and T7.
  • FIGS. 1 and 3 For the sake of clarity, the control inputs for the central locking system and the safety device are shown separately in FIGS. 1 and 3.
  • a central control circuit 1 ' is shown with only two inputs E1 and E2, to which the control switches 5 and 7 are connected directly via control lines 4' and 6 ', ie, here are the logic gates shown in Figures 1 and 3 or Timers and their connections integrated into the central control circuit 1 '.
  • outputs 5 'and 7' of a control device 19 (code comparator, amplifier, etc.) of an infrared remote control device are now connected to the control lines 4 'and 6'.
  • the two outputs 5 'and 7' of the control unit 19 are mutually electrically interlocked internally, so that the safety device - which can only be switched on when signals from both control switches are present on the control lines 4 'and 6' - cannot be switched on via the remote control .
  • a hand transmitter HS with an emitter EM, an unlocking key ET and a locking key VT is provided, which is assembled in a known manner with the mechanical key S.
  • the lines 4 'and 6' can be used at least in sections in two directions ("bidirectional"), as in the section between the control device 19 and the electrical coupling of the control switches 5 and 7 indicated by small arrows in both directions, so that a transmission of signals from the control switches 5 and 7 to the control unit 19 and their reception and processing therein is possible.
  • this in turn has a blocking circuit which, when a signal from one or both of the control switches 5 and / or 7 is present at one or both of the outputs 5 'and 7', has at least the effect of a control signal from the infrared remote control device line 4 'or 6' suppressed.
  • This effect suppression or blocking circuit can be easily implemented by an internal logical combination of the control signal of the infrared remote control device with a signal from the control switches 5 and 7, the control signal mentioned only being passed to the central control circuit 1 when no signal from one of the said control switches is present ("AND NOT" link).

Description

Die Erfindung bezieht sich auf ein Verfahren zur Steuerung einer Zentralverriegelungsanlage und einer Sicherungsvorrichtung für Kraftfahrzeuge mit den Merkmalen der Oberbegriffe der Patentansprüche 1 und 2 sowie auf eine Zentralverriegelungsanlage und Sicherungsvorrichtung mit den Merkmalen der Oberbegriffe der Patentansprüche 3 und 8, die aus DE 35 13 555 C2 bekannt sind. Aus derselben Patentschrift ist auch das jeweils gattungsbildende Steuerverfahren herleitbar.
Zur Steuerung einer zusätzlichen Sicherungs- bzw. Blockiervorrichtung für die Stellelemente einer Zentralverriegelungsanlage über einen Schließzylinder ist dort ein erster Mikroschalter zur Einschaltung und ein zweiter Mikroschalter zur Ausschaltung der Stellelementblockierung - die in bekannter Weise mechanisch das öffnen eines gesicherten Fahrzeugs von innen nach Einschlagen einer Fensterscheibe verhindert - dem genannten Schließzylinder zugeordnet. Ein dritter Mikroschalter ist dem Schließzylinder zur Steuerung der Zentralverriegelungsanlage zugeordnet; diese Steuerung selbst wird in der genannten Patentschrift nicht näher beschrieben.
The invention relates to a method for controlling a central locking system and a security device for motor vehicles with the features of the preambles of claims 1 and 2 and a central locking system and security device with the features of the preambles of claims 3 and 8, which from DE 35 13 555 C2 are known. The respective generic control method can also be derived from the same patent specification.
To control an additional security or blocking device for the actuating elements of a central locking system via a locking cylinder, there is a first microswitch for switching on and a second microswitch for switching off the actuating element blocking - which mechanically prevents the opening of a secured vehicle from the inside after a window pane has been knocked in - Assigned to the lock cylinder mentioned. A third microswitch is assigned to the locking cylinder for controlling the central locking system; this control itself is not described in the cited patent.

Ein blockierbares Stellelement, das in einer gattungsgemäßen Vorrichtung Verwendung finden kann, ist aus DE 38 04 838 C1 bekannt. Insbesondere ist mit diesem Stellelement auch bei eingeschalteter Zusatzsicherung die rein mechanische Entriegelung des ihm zugeordneten Verschlusses und damit die Benutzung des Fahrzeuges auch bei einem eventuellen Ausfall der zum Ausschalten der Sicherungsvorrichtung notwendigen Bordspannung möglich.A lockable actuator that can be used in a generic device is known from DE 38 04 838 C1. In particular, with this control element When the additional safety device is switched on, the purely mechanical unlocking of the lock assigned to it and thus the use of the vehicle is possible even in the event of a possible failure of the on-board voltage required to switch off the safety device.

Im modernen Kraftfahrzeugbau wird den Schließzylindern der mechanischen Schließanlage immer weniger Bauraum in den Türen zugestanden, woraus bereits Vorschläge zur Verlagerung von Mikrosteuerschaltern aus der unmittelbaren Nähe zum Schließzylinder zu einer mit diesem drehgekuppelten Schloßnuß hin resultierten (DE 37 17 778 A1, DE 38 27 564 C1).In modern motor vehicle construction, the locking cylinders of the mechanical locking system are granted less and less installation space in the doors, which has already resulted in proposals for relocating micro-control switches from the immediate vicinity of the locking cylinder to a lock nut that is coupled with this (DE 37 17 778 A1, DE 38 27 564 C1 ).

Unter diesem Gesichtspunkt sollten auch sowohl aufwendige Schließzylinderkonstruktionen als auch eine zu große Anzahl von elektrischen Steuerschaltern vermieden werden.
Zwar ist es bekannt (DE 33 07 542 C2), mit einem axial geteilten Schließzylinder sowohl eine Zentralverriegelungsanlage als auch eine zusätzliche Diebstahlsicherungsanlage zu steuern, wobei bei Verwendung eines speziellen Sicherungsschlüssels im Schließzylinder zwei elektrische Steuerschalter gleichzeitig geschaltet werden. Jedoch sind dort beide Steuerschalter als bistabile Wechselschalter mit je drei Anschlüssen ausgeführt, und einer der Schalter ist ausschließlich zur Steuerung der Zentralverriegelungsanlage und der andere ausschließlich zur Steuerung der Diebstahlsicherungsanlage vorgesehen. Außerdem muß noch eine relativ aufwendige Rangfolgesteuerung vorgesehen werden, die die korrekte zeitliche Abfolge der einzelnen Riegelungsvorgänge (d. h. zuerst "Verriegeln", dann "Sichern" bzw. zuerst "Entsichern", dann "Entriegeln") sicherstellt.
From this point of view, both complex locking cylinder designs and an excessive number of electrical control switches should be avoided.
It is known (DE 33 07 542 C2) to control both a central locking system and an additional anti-theft system with an axially divided locking cylinder, two electrical control switches being switched simultaneously when a special security key is used in the locking cylinder. However, both control switches are designed as bistable two-way switches, each with three connections, and one of the switches is intended exclusively for controlling the central locking system and the other only for controlling the anti-theft system. In addition, a relatively complex ranking control must be provided, which ensures the correct chronological sequence of the individual locking processes (ie first "locking", then "locking" or first "unlocking", then "unlocking").

Schließlich ist es aus DE 35 16 732 C1 bekannt, eine Einbruch-Diebstahl-Warnanlage in einem Kraftfahrzeug über einen Steuerschalter der Zentralverriegelungsanlage des Fahrzeugs zu steuern. Bei Benutzung eines General- oder Sicherungsschlüssels im Schließzylinder aktiviert ein Schließzylinderschalter eine Schaltvorrichtung, die die Zuführung von Schaltsignalen des erwähnten Steuerschalters auch zum Steuergerät der Einbruch-Diebstahl-Warnanlage bewirkt.Finally, it is known from DE 35 16 732 C1 to control an anti-theft alarm system in a motor vehicle via a control switch of the vehicle's central locking system. When using a general or security key in the lock cylinder, a lock cylinder switch activates a switching device which also causes switching signals from the control switch mentioned to be supplied to the control unit of the burglar alarm system.

Die Erfindung hat die Aufgabe,

  • ein Verfahren anzugeben, mit welchem bei gleichbleibendem Bedienungsablauf eine bessere Ausnutzung vorhandener elektrischer Schaltmittel der gattungsgemäßen Vorrichtung möglich ist und
  • die elektrische Steuerung einer gattungsgemäßen Schließ- und Sicherungsvorrichtung für Kraftfahrzeuge so auszubilden, daß unter Beibehaltung der einfachen Schalterbauart weniger elektrische Schalter bei gleichbleibendem Bedienungsablauf verwendet werden können.
The invention has the task
  • to specify a method with which a better utilization of existing electrical switching means of the generic device is possible with the same operating sequence and
  • to design the electrical control of a generic locking and securing device for motor vehicles so that fewer electrical switches can be used with the same operating sequence while maintaining the simple switch design.

Diese Aufgabe wird mit den kennzeichnenden Merkmalen der einander nebengeordneten Verfahrensansprüche 1 und 2 sowie der einander nebengeordneten Vorrichtungsansprüche 3 und 8 erfindungsgemäß gelöst.This object is achieved according to the invention with the characterizing features of the method claims 1 and 2 which are subordinate to one another and the device claims 3 and 8 which are subordinate to one another.

Mittels zweier einfacher Tastschalter können mindestens drei unterschiedliche positive - d. h. ohne Festlegung auf ein bestimmtes elektrisches Potential vom unbetätigten Ruhezustand unterscheidbare - Signalzustände realisiert werden:

  • 1) erster Schalter geschlossen, zweiter Schalter geöffnet,
  • 2) erster Schalter geöffnet, zweiter Schalter geschlossen,
  • 3) beide Schalter gleichzeitig geschlossen.

Die Schaltzustände der beiden Schalter können also sowohl jeweils einzeln ausgewertet werden [1), 2)] als auch gemeinsam in UND-Verknüpfung [3)].
Der Zustand 3) wird gemäß der Erfindung dadurch erreicht, daß beim Weiterschwenken des Schließzylinders über die reguläre Verriegelungsstellung - in der der Verriegelungssteuerschalter geschlossen ist - hinaus in eine Sicherungsstellung zusätzlich noch der Entriegelungssteuerschalter geschlossen wird bzw. daß beim Weiterschwenken des Schließzylinders über die reguläre Entriegelungsstellung - in der der Entriegelungssteuerschalter geschlossen ist - hinaus in eine Entsicherungsstellung zusätzlich noch der Verriegelungssteuerschalter geschlossen wird.Using two simple pushbuttons, at least three different positive signal states - that is, they can be distinguished from the unactuated idle state without being fixed to a specific electrical potential - can be realized:
  • 1) first switch closed, second switch open,
  • 2) first switch open, second switch closed,
  • 3) both switches closed at the same time.

The switching states of the two switches can therefore be evaluated individually [1), 2)] or together in an AND operation [3)].
State 3) is achieved according to the invention in that when the locking cylinder is pivoted further than the regular one Locking position - also in a safety position additionally the Entriegelungssteuerschalter is closed and that in the further pivoting of the lock cylinder over the full unlocking - - additionally the locking control switch is closed also in a disengaged position - in which the Entriegelungssteuerschalter is closed in which the locking control switch is closed.

In der Grundauslegung (Verfahrensanspruch 1) wird die Zentralverriegelungsanlage durch die Schaltzustände 1) und 2) im Ent- bzw. im Verriegelungssinn gesteuert, und durch den Schaltzustand 3) wird die Sicherungsvorrichtung eingeschaltet. Bei dieser Vorgehensweise wird auch die Reihenfolge "zuerst Verriegeln, dann Sichern" ohne weiteres eingehalten, weil durch das einzelne Signal des Verriegelungssteuerschalters bereits die Zentralverriegelungsanlage im Verriegelungssinn aktiviert wird und die Sicherungsvorrichtung erst danach - beim Eintreten der gleichzeitigen Betätigung des Entriegelungssteuerschalters - im Sicherungssinn aktiviert werden kann.
Eine eigene "Entsicherungsstellung" ist hierbei zunächst nicht notwendig, weil die Sicherungsvorrichtung - in an sich bekannter Weise (DE 33 34 049 C2) - durch ein einfaches Steuersignal "Entriegeln" des Entriegelungssteuerschalters (bei Schlüsseldrehung im Entriegelungssinn) wieder ausgeschaltet werden kann. Hierbei wird natürlich durch interne Signalverarbeitung wiederum die erforderliche Rangfolge gewährleistet.
In the basic design (process claim 1), the central locking system is controlled by the switching states 1) and 2) in the unlocking or locking direction, and by the switching state 3) the safety device is switched on. With this procedure, the sequence "first lock, then secure" is easily adhered to, because the central locking system is already activated in the locking direction by the single signal from the locking control switch and the safety device is only activated in the locking direction after the simultaneous actuation of the unlocking control switch can.
A separate "unlocking position" is not necessary here because the safety device - in a manner known per se (DE 33 34 049 C2) - can be switched off again by a simple control signal "unlocking" the unlocking control switch (when the key is turned in the unlocking direction). Of course, the required ranking is guaranteed by internal signal processing.

Es ist zwar bekannt (DE 37 03 590 C1), eine Zentralverriegelungsanlage mittels einfacher Wechseltaster mit Mittellage zu steuern, wobei durch die Wechseltaster auf zwei unterschiedliche Eingänge (Verriegelungs- bzw. Entriegelungseingang) eines Steuergeräts gleiches elektrisches Potential angelegt werden kann. Prinzipiell könnten die dort verwendeten Wechseltaster äquivalent durch je zwei einzelne Tastschalter ersetzt werden, jedoch gibt die zuletzt genannte Patentschrift keinerlei Hinweis auf die gleichzeitige Betätigung zweier Tastschalter, die an sich zur Ansteuerung einer Zentralverriegelungsanlage in unterschiedlichen Betriebsrichtungen vorgesehen sind, zur Steuerung einer mechanischen Sicherungsvorrichtung.It is known (DE 37 03 590 C1) to control a central locking system by means of a simple change button with a central position, whereby the change button can be used to apply the same electrical potential to two different inputs (locking or unlocking input) of a control device. In principle, the toggle switches used there could be replaced by two individual pushbuttons, however, the last-mentioned patent specification gives no indication of the simultaneous actuation of two pushbutton switches, which are provided per se for controlling a central locking system in different operating directions, for controlling a mechanical safety device.

Der Verfahrensanspruch 2 offenbart, wie auch der Schaltzustand 3), in welchem die beiden Steuerschalter nach dem Schalten gleichzeitig betätigt sind, vorteilhaft zur Erzeugung unterschiedlicher Schaltwirkungen ausgewertet werden kann, indem die Schaltreihenfolge der Steuerschalter berücksichtigt wird.
Mit einfachen elektrischen oder elektronischen Schaltmitteln ist es möglich, die mechanische Sicherungsvorrichtung einzuschalten, wenn zuerst der für die Verriegelungs- und dann der für die Entriegelungssteuerung benutzte Steuerschalter betätigt wird und beide noch gleichzeitig betätigt bleiben. Soweit entspricht die Anordnung der bereits beschriebenen. Umgekehrt kann aber die mechanische Sicherungsvorrichtung nur ausgeschaltet werden, wenn zuerst der für die Entriegelungs- und dann der für die Verriegelungssteuerung benutzte Steuerschalter betätigt wird und beide noch gleichzeitig betätigt bleiben.
In diesem Fall wird natürlich wieder die zeitliche Reihenfolge "zuerst entsichern, dann entriegeln" sichergestellt, was beispielsweise dadurch geschehen kann, daß ein einfaches Entriegelungssteuersignal des Entriegelungssteuerschalters bei eingeschalteter Sicherungsvorrichtung aufgrund elektrischer Unterdrückung nicht abgearbeitet wird. Der jeweilige Schaltzustand der Sicherungsvorrichtung ist in einem zentralen Steuergerät ohne weiteres in bekannter Weise speicher- und abfragbar.
The method claim 2 discloses, as well as the switching state 3), in which the two control switches are operated simultaneously after switching, can advantageously be evaluated to produce different switching effects by taking into account the switching sequence of the control switches.
With simple electrical or electronic switching means it is possible, the mechanical safety device unlock when the first and both remain one for the lock and then used for the unlocking control switch is operated operated even once. So far the arrangement corresponds to that already described. Conversely, however, the mechanical locking device can only be switched off when first actuated for unlocking and then used for the locking control switch and control both remain still actuated at the same time.
In this case, of course, the time sequence "first unlock, then unlock" is ensured, which can happen, for example, by not processing a simple unlocking control signal from the unlocking control switch when the safety device is switched on due to electrical suppression. The respective switching state of the safety device can be easily stored and queried in a central control device in a known manner.

Die Unteransprüche 4 bis 7 kennzeichnen vorteilhafte Ausgestaltungen der erfindungsgemäßen Zentralverriegelungsanlage und Sicherungsvorrichtung nach Anspruch 3, während die Unteransprüche 9 bis 12 vorteilhafte Ausgestaltungen der erfindungsgemäßen Zentralverriegelungsanlage und Sicherungsvorrichtung nach Anspruch 8 offenbaren und die Unteransprüche 13 und 14 Merkmale zur vorteilhaften Ausgestaltung beider Vorrichtungsalternativen nach Anspruch 3 oder 8 enthalten.The subclaims 4 to 7 characterize advantageous embodiments of the central locking system and security device according to the invention according to claim 3, while the subclaims 9 to 12 advantageous embodiments of the invention Central locking system and security device according to claim 8 disclose and the sub-claims 13 and 14 contain features for the advantageous embodiment of both device alternatives according to claim 3 or 8.

Weitere Einzelheiten und Vorteile gehen aus der Zeichnung von Ausführungsbeispielen und deren sich hier anschließender eingehender Beschreibung hervor.Further details and advantages emerge from the drawing of exemplary embodiments and their detailed description that follows here.

Es zeigen

Figur 1
ein elektrisches Schaltschema einer erfindungsgemäßen Zentralverriegelungsanlage und Sicherungsvorrichtung,
Figur 2
eine schematische Ansicht eines Schließzylinders und einer Schloßnuß mit Darstellung der Schwenkbereiche bzw. Schwenkwinkel sowie der Steuerschalter und deren Schaltnocken,
Figur 3
eine Variante zum Schaltschema der Figur 1, mit welcher eine Auswertung der Schaltreihenfolge der Steuerschalter im Sinne unterschiedlicher Schaltwirkungen möglich ist,
Figur 3a
eine schematische qualitative Darstellung der Schaltzeitpunkte der Steuerschalter im Verhältnis zu den Schwenkwinkeln des Schließzylinders, und
Figur 4
eine Ausgestaltung der erfindungsgemäßen Vorrichtung, die auch eine Benutzung eines Fernbedienungs-Handsenders zur ausschließlichen Steuerung der Zentralverriegelungsanlage ermöglicht.
Show it
Figure 1
an electrical circuit diagram of a central locking system and security device according to the invention,
Figure 2
1 shows a schematic view of a lock cylinder and a lock nut with representation of the swivel ranges or swivel angle as well as the control switches and their switching cams,
Figure 3
1 shows a variant of the circuit diagram in FIG. 1, with which an evaluation of the switching sequence of the control switches in the sense of different switching effects is possible,
Figure 3a
a schematic qualitative representation of the switching times of the control switch in relation to the pivoting angle of the lock cylinder, and
Figure 4
an embodiment of the device according to the invention, which also allows the use of a remote control hand-held transmitter for the exclusive control of the central locking system.

Im Schaltschema der Figur 1 ist eine Zentralsteuerschaltung 1 in einen Zentralverriegelungsteil ZV und einen Sicherungsteil DS unterteilt, die beide an eine Spannungsquelle 2 angeschlossen sind. Der Zentralsteuerschaltung 1 sind Stellelemente 3 nachgeordnet, die ihrerseits je einen Zentralverriegelungsantrieb ZVE und einen Sicherungsantrieb DSE aufweisen, wobei jeweils der Antrieb ZVE durch den Zentralverriegelungsteil ZV und der Antrieb DSE durch den Sicherungsteil DS der Zentralsteuerschaltung 1 aktivierbar ist. Auf die genaue Funktion dieser Teilanordnungen braucht hier nicht näher eingegangen zu werden, da einschlägige Anlagen, wie bereits erwähnt, Stand der Technik sind. Der Zentralverriegelungsteil ZV und die Antriebe ZVE bilden gemeinsam die Zentralverriegelungsanlage, während die Sicherungsvorrichtung vom Sicherungsteil DS und den Antrieben DSE gebildet wird. Die nur schematisch dargestellten Antriebe ZVE und DSE können in bekannter Weise elektromagnetisch, elektromotorisch oder pneumatisch betrieben werden.
An einen Entriegelungssteuereingang ZVent des Zentralverriegelungsteils ZV sind über eine Steuerleitung 4 erste (Entriegelungs-) Steuerschalter 5 und an einen Verriegelungssteuereingang ZVver über eine Steuerleitung 6 zweite (Verriegelungs-) Steuerschalter 7 angeschlossen, auf deren bauliche Anordnung und Ausführung später eingegangen wird. Zunächst sei nur erwähnt, daß jeweils ein Paar aus einem Entriegelungssteuerschalter 5 und einem Verriegelungssteuerschalter 7 einer Schließstelle FT in der Fahrertür bzw. BT in der Beifahrertür zugeordnet ist, wobei weitere Schließstellen in gleicher Weise elektrisch angeschlossen werden können. Ferner liegen alle Steuerschalter gegenüber der Zentralsteuerschaltung 1 bzw. deren Eingängen auf gleichem elektrischem Potential P.
In the circuit diagram of FIG. 1 , a central control circuit 1 is divided into a central locking part ZV and a safety part DS, both of which are connected to a voltage source 2. The central control circuit 1 is followed by control elements 3, which in turn each have a central locking drive ZVE and a safety drive DSE, wherein the drive ZVE can be activated by the central locking part ZV and the drive DSE by the safety part DS of the central control circuit 1. The exact function of these sub-arrangements need not be discussed here, since relevant systems, as already mentioned, are state of the art. The central locking part ZV and the drives ZVE together form the central locking system, while the security device is formed by the security part DS and the drives DSE. The drives ZVE and DSE, shown only schematically, can be operated in a known manner electromagnetically, electromotively or pneumatically.
First (unlocking) control switches 5 are connected to an unlocking control input ZV ent of the central locking part ZV via a control line 4 and second (locking) control switches 7 are connected to a locking control input ZV ver via a control line 6, the structural arrangement and execution of which will be discussed later. First of all, it should only be mentioned that a pair of an unlocking control switch 5 and a locking control switch 7 is assigned to a locking point FT in the driver's door or BT in the passenger's door, further locking points being able to be electrically connected in the same way. Furthermore, all the control switches with respect to the central control circuit 1 or their inputs are at the same electrical potential P.

Zu einem Sicherungssteuereingang DSein des Sicherungsteils DS führt eine Steuerleitung 8, an die Ausgänge von UND-Gliedern 9 angeschlossen sind.To a securing control input of the security unit a DS DS performs a control line 8 are connected to the outputs of AND gates. 9

An die jeweils zwei Eingänge je eines der UND-Glieder 9 sind die Steuerschalter 5 und 7 einer Schließstelle angeschlossen, so daß sich ein Ausgangssignal eines der UND-Glieder und damit ein Signal auf der Steuerleitung 8 und am Sicherungssteuereingang DSein nur dann ergibt, wenn beide Steuerschalter 5 UND 7 gleichzeitig geschaltet werden (vgl. Fig. 3a). Dieses Signal wird gemäß der Erfindung zur Einschaltung bzw. Aktivierung der mechanischen Sicherungsvorrichtung bzw. Stellelementblockierung verwendet. Zur Vereinfachung der Figur 1 wurde auf die Darstellung von Spannungsversorgungen der logischen Gatter und etwa notwendiger Inverter etc. verzichtet.
An eine Steuerleitung 10, die an einen Entsicherungssteuereingang DSaus des Sicherungsteils DS angeschlossen ist, sind die Entriegelungssteuerschalter 5 der verschiedenen Schließstellen angeschlossen; in der hier gezeigten Grundausführung wird nach einem einzeln auftretenden Signal bzw. Schaltvorgang eines dieser Steuerschalter 5 sowohl zunächst gegebenenfalls die eingeschaltete Sicherungsvorrichtung DS/DSE ausgeschaltet als auch danach die Zentralverriegelungsanlage ZV/ZVE im Entriegelungssinn aktiviert.
Durch die gestrichelte Fortsetzung der Steuerleitungen 4, 6, 8 und 10 wird verdeutlicht, daß prinzipiell eine beliebige Anzahl von Schließstellen bzw. Steuerschalterpaaren angeschlossen werden kann.
The control switches are connected 5 and 7 a closed position at the two inputs in each case one of the AND gates 9, so that an output signal of the AND gates and therefore a signal on control line 8 and the backup control input DS only results when both control switches 5 AND 7 are switched simultaneously (see FIG. 3a). According to the invention, this signal is used to switch on or activate the mechanical safety device or control element blocking. In order to simplify FIG. 1, voltage supplies for the logic gates and any necessary inverters, etc., have been omitted.
The unlocking control switches 5 of the various locking points are connected to a control line 10 which is connected to an unlocking control input DS from the securing part DS; In the basic version shown here, after an individually occurring signal or switching operation of one of these control switches 5, the security device DS / DSE is first switched off, if appropriate, and the central locking system ZV / ZVE is then activated in the unlocking direction.
The dashed continuation of the control lines 4, 6, 8 and 10 makes it clear that in principle any number of closing points or pairs of control switches can be connected.

Es kann aber auch vorgesehen werden, daß zwar für die Zentralverriegelungsanlage ZV/ZVE eine Mehrstellenbedienung - d. h. Steuerschalter an mehreren Schließstellen - vorgesehen ist, daß jedoch die Steuerung der Sicherungsvorrichtung nur von einer einzigen Schließstelle, vorzugsweise der Fahrertür-Schließstelle FT, aus möglich ist. In diesem Fall würden sämtliche direkten bzw. indirekten Anschlüsse der Steuerschalter 5 und 7 der Schließstelle BT an die Steuerleitungen 8 und 10 entfallen.But it can also be provided that for the central locking system ZV / ZVE a multi-point operation - that is, control switches at several locking points - is provided, but that the control of the safety device is only possible from a single locking point, preferably the driver's door locking point FT. In this case, all direct or indirect connections of the control switches 5 and 7 of the closing point BT to the control lines 8 and 10 would be omitted.

Eine mögliche bauliche Anordnung der Steuerschalter 5 und 7 an einer Schließstelle wird aus Figur 2 ersichtlich. Ein Schließzylinder 11 ist mit einem Schlüssel S aus der dargestellten neutralen Mittel- bzw. Schlüsselabzugsstellung heraus im Verriegelungs- bzw. Sicherungssinn (Pfeil V, Uhrzeigersinn) und im Entriegelungs- bzw. Entsicherungssinn (Pfeil E, Gegenuhrzeigersinn) schwenkbar. An einer Schloßnuß 12, die, wie durch eine gestrichelte Doppellinie angedeutet, drehfest mit dem Schließzylinder 11 verbunden ist, ist zum einen eine vereinfacht dargestellte Druckpunkteinrichtung 13 vorgesehen, die bei einem Schwenkwinkel δ von ca. 55° im Sicherungssinn der Weiterschwenkung einen spürbaren mechanischen Widerstand entgegensetzt. Dieser mechanische Widerstand ist erwünscht, um dem Fahrzeugbenutzer eine taktile Information zu geben, daß er den Sicherungszustand seines Fahrzeugs einschaltet.
Der Schloßnuß 12 sind die zwei Steuerschalter 5 und 7 - Tastschalter in Mikroausführung mit Schaltstößeln 5.1 bzw. 7.1 - räumlich benachbart zugeordnet; zu ihrer Betätigung weist die Schloßnuß 12 verschiedene, mit den Schaltstößeln korrespondierende Schaltnocken auf.
Die Anordnung in der Zeichnung wurde nach Größenverhältnissen und Relativpositionen mit dem Zweck gewählt, die Lage der Schaltwinkel zu verdeutlichen, bei denen die Steuerschalter 5 bzw. 7 beim Schwenken des Schließzylinders 11 betätigt bzw. eingeschaltet werden, und ist daher nicht maßstäblich.
Die angedeuteten Schaltstößel 5.1 bzw. 7.1 der Steuerschalter liegen in verschiedenen Ebenen - die ihrerseits parallel zur Zeichnungsebene liegen -, ebenso liegen die korrespondierenden Schaltnocken in entsprechend verschiedenen Ebenen auf dem Umfang der Schloßnuß 12.
Der erste Schaltnocken 14 betätigt den Steuerschalter 5 bei Schwenkung des Schließzylinders 11 gegen den Uhrzeigersinn, wobei dessen Schaltwinkel α, der die reguläre Entriegelungsstellung des Schließzylinders 11 definiert, bei ca. 20° liegt.
A possible structural arrangement of the control switches 5 and 7 at a closing point can be seen in FIG. 2 . A locking cylinder 11 can be pivoted with a key S out of the neutral center or key withdrawal position shown in the locking or securing direction (arrow V, clockwise) and in the unlocking or unlocking direction (arrow E, counterclockwise). On a lock nut 12, which, as indicated by a broken double line, is connected in a rotationally fixed manner to the lock cylinder 11, on the one hand a pressure point device 13 is shown in simplified form, which has a noticeable mechanical resistance at a pivoting angle δ of approximately 55 ° in the sense of securing the further pivoting opposed. This mechanical resistance is desirable to provide tactile information to the vehicle user to turn on the safety condition of his vehicle.
The lock nut 12 are the two control switches 5 and 7 - pushbutton switches in micro design with switching plungers 5.1 and 7.1 - spatially adjacent; for its actuation, the lock nut has 12 different switching cams corresponding to the switching plungers.
The arrangement in the drawing was chosen according to size ratios and relative positions with the purpose of clarifying the position of the switching angle at which the control switches 5 and 7 are actuated or switched on when the locking cylinder 11 is pivoted, and is therefore not to scale.
The indicated switching plungers 5.1 and 7.1 of the control switches are located in different levels - which in turn lie parallel to the plane of the drawing -, and the corresponding switching cams are located in correspondingly different levels on the circumference of the lock nut 12.
The first switching cam 14 actuates the control switch 5 when the locking cylinder 11 is pivoted counterclockwise, its switching angle α, which defines the regular unlocking position of the locking cylinder 11, being approximately 20 °.

Der zweite Schaltnocken 15 betätigt den Steuerschalter 7 bei Schwenkung des Schließzylinders 11 im Uhrzeigersinn, wobei dessen Schaltwinkel α, der die reguläre Verriegelungsstellung des Schließzylinders 11 definiert, ebenfalls bei ca. 20° liegt. Der Schaltnocken 15 ist derart ausgedehnt, daß der Steuerschalter 7 geschaltet bleibt, wenn der Schließzylinder 11 über die reguläre Verriegelungsstellung (Winkel α) gleichsinnig weiter über den Druckpunkt bei δ = 55° hinaus in die am Schließzylinder bzw. Schlüsselloch angedeutete Sicherungsstellung SI geschwenkt wird, die durch einen Schaltwinkel β von ca. 75° definiert ist. In dieser Sicherungsstellung betätigt ein dritter Schaltnocken 16 den Steuerschalter 5, wobei diesmal dessen Schaltwinkel bei β = ca. 75° - hier im Uhrzeigersinn - liegt. Weil, wie erwähnt, gleichzeitig noch der Steuerschalter 7 geschaltet bleibt, ergibt sich ein gemeinsamer Schaltzustand, der zur Einschaltung der Sicherungsvorrichtung DS/DSE ausgewertet werden kann, wie im Zusammenhang mit Figur 1 bereits beschrieben wurde. Sämtliche Schaltwinkelangaben beziehen sich auf die neutrale Schlüsselabzugsstellung (0°).The second switching cam 15 actuates the control switch 7 when the locking cylinder 11 is pivoted clockwise, its switching angle α, which defines the regular locking position of the locking cylinder 11, also being approximately 20 °. The switching cam 15 is extended in such a way that the control switch 7 remains switched when the locking cylinder 11 is pivoted in the same direction beyond the regular locking position (angle α) beyond the pressure point at δ = 55 ° into the locking position SI indicated on the locking cylinder or keyhole, which is defined by a switching angle β of approx. 75 °. In this locking position, a third switching cam 16 actuates the control switch 5, this time its switching angle being β = approx. 75 ° - here clockwise. Because, as mentioned, the control switch 7 remains switched at the same time, there is a common switching state which can be evaluated to switch on the safety device DS / DSE, as has already been described in connection with FIG. 1. All switching angle information relates to the neutral key withdrawal position (0 °).

Der zugeordnete Verschluß sowie die Verbindung der Schloßnuß 12 mit dessen mechanischem Gestänge ist der Übersichtlichkeit halber nicht dargestellt. Die Schloßanordnung entspricht dem Stand der Technik und bedarf daher keiner näheren Beschreibung. Es versteht sich, daß es an sich für die Funktion der Vorrichtung völlig unerheblich ist, an welcher Stelle der Schließstellenmechanik zwischen Schließzylinder und Schloßnuß die Steuerschalter, die Schaltnocken und die Druckpunkteinrichtung angeordnet sind. Für die örtliche Unterbringung der einzelnen Bauteile sind ausschließlich die konstruktiv vorgegebenen Geometriedaten des einzelnen Fahrzeugtyps bzw. des Verschlusses ausschlaggebend.The assigned lock and the connection of the lock nut 12 with its mechanical linkage is not shown for the sake of clarity. The lock arrangement corresponds to the prior art and therefore requires no further description. It goes without saying that it is completely irrelevant for the function of the device at which point of the locking mechanism between the lock cylinder and lock nut the control switches, the switching cams and the pressure point device are arranged. For the local accommodation of the individual components, only the structurally predetermined geometry data of the individual vehicle type or the lock are decisive.

In Figur 3 ist eine einfache Beispielschaltung gezeigt, mit deren logischen Gattern der gemeinsame Schaltzustand beider Steuerschalter 5 und 7 noch nach der Schaltreihenfolge beider Schalter zur Erzeugung unterschiedlicher Wirkungen, wie bereits beschrieben, ausgewertet werden kann.
Vorab ist dazu erforderlich, daß der Schließzylinder in bekannter Weise zusätzlich im Entriegelungssinn über die reguläre Entriegelungsstellung hinaus in eine Entsicherungsstellung schwenkbar ist, wobei zuerst der Entriegelungssteuerschalter 5 und dann in der Entsicherungsstellung zusätzlich der Verriegelungssteuerschalter 7 geschaltet wird, in Umkehrung des bereits im Zusammenhang mit Figur 2 beschriebenen Vorgangs. Letzterer wird natürlich auch hier bei Schwenkung des Schließzylinders im Verriegelungssinn beibehalten. Die mechanische Anordnung entspricht im wesentlichen der in Figur 2 gezeigten, wobei noch ein dem Schaltnocken 16 entsprechender Schaltnocken 16' (in Figur 2 gestrichelt angedeutet) zur Betätigung des Verriegelungssteuerschalters 7 bei Schwenkung des Schließzylinders im Entriegelungssinn in die Entsicherungsstellung hinzugefügt werden muß und ferner der Schaltnocken 14 so verlängert werden muß, daß der Steuerschalter 5 auch in der hinzugekommenen Entsicherungsstellung noch geschaltet ist.
Selbstverständlich ist es an sich nicht zwingend erforderlich, die Schaltnocken 14 bzw. 15 in der beschriebenen Weise auszudehnen, sondern es ist auch denkbar, daß für jeden Schaltpunkt (α bzw. β) der Schalter ein eigener Schaltnocken an die Schloßnuß angeformt wird, wobei natürlich auf die Einhaltung der auszuwertenden Schaltreihenfolge geachtet werden muß.
Selbstverständlich kann noch vorgesehen werden, daß auch zwischen der regulären Entriegelungsstellung und der Entsicherungsstellung ein mechanischer Widerstand überdrückt werden muß.
FIG. 3 shows a simple example circuit with the logic gates of which the common switching state of both control switches 5 and 7 can still be evaluated according to the switching sequence of the two switches in order to produce different effects, as already described.
First of all, it is necessary that the locking cylinder can also be pivoted in a known manner in the unlocking direction beyond the regular unlocking position into a unlocking position, the unlocking control switch 5 being switched first and then the locking control switch 7 being additionally switched in the unlocking position, in reverse of that already associated with FIG 2 described operation. The latter is of course also maintained here when the lock cylinder is pivoted in the locking direction. The mechanical arrangement essentially corresponds to that shown in FIG. 2, with a switching cam 16 ′ (indicated by dashed lines in FIG. 2) corresponding to the switching cam 16 for actuating the locking control switch 7 when the locking cylinder is pivoted in the unlocking direction into the unlocking position and the switching cam 14 must be extended so that the control switch 5 is still switched in the added unlocking position.
Of course, it is not absolutely necessary to expand the switching cams 14 and 15 in the manner described, but it is also conceivable that for each switching point (α or β) the switch has its own switching cam formed on the lock nut, of course attention must be paid to compliance with the switching sequence to be evaluated.
Of course, it can also be provided that mechanical resistance must also be overpressed between the regular unlocking position and the unlocking position.

In Figur 3a, die ein schematisches qualitatives Diagramm der Schaltzeitpunkte der Steuerschalter 5 und 7 aufgetragen über den Schwenkwinkeln des Schließzylinders 11 zeigt, steht eine vertikale Achse für die neutrale Schlüsselabzugstellung des Schließzylinders 11 bei 0°. Eine obere horizontale Achse steht für den Steuerschalter 5, eine untere horizontale Achse für den Steuerschalter 7. Auf diesen Achsen sind nach rechts in die Richtung V die (positiven) Schwenkwinkel des Schließzylinders im Uhrzeigersinn bzw. nach links in Richtung E dessen (negative) Schwenkwinkel gegen den Uhrzeigersinn aufgetragen. Die jeweiligen Schaltzustände der Steuerschalter sind hier nur durch logische Pegel "0" (unbetätigter Ruhezustand) und "1" (geschalteter Zustand) dargestellt.In Figure 3a , the schematic qualitative diagram of the switching times of the control switches 5 and 7 plotted over shows the pivoting angles of the locking cylinder 11, there is a vertical axis for the neutral key withdrawal position of the locking cylinder 11 at 0 °. An upper horizontal axis stands for the control switch 5, a lower horizontal axis for the control switch 7. On these axes, the (positive) pivoting angles of the locking cylinder in the clockwise direction in the direction V or in the left in the E direction are the (negative) pivoting angles thereof applied counterclockwise. The respective switching states of the control switches are shown here only by logic levels "0" (unactuated idle state) and "1" (switched state).

Aus diesem Diagramm ist ohne weiteres ersichtlich, daß der Steuerschalter 7 bei einem Schwenkwinkel +α des Schließzylinders in den Zustand "1" geschaltet wird. Er bleibt geschaltet während weiteren gleichsinnigen Schwenkens des Schließzylinders, wobei nach Passieren des Druckpunktwinkels +δ schließlich ein Schwenkwinkel +β erreicht wird, bei dem zusätzlich der Steuerschalter 5 in seinen Schaltzustand "1" geschaltet wird, woraus sich ein erster gemeinsamer Schaltzustand ergibt, wie oben bereits angesprochen. Der Winkel +α entspricht der regulären Verriegelungsstellung des Schließzylinders 11, während der Winkel +β der Sicherungsstellung SI entspricht, wie vorstehend bereits beschrieben wurde.
Bei einem hierzu entgegengesetzten Schwenkwinkel -α wird zunächst nur der Steuerschalter 5 in seinen Zustand "1" geschaltet, entsprechend der regulären Entriegelungsstellung des Schließzylinders 11. Wird die Schwenkbewegung über einen weiteren Druckpunktwinkel -δ hinaus fortgesetzt - derweil bleibt der Steuerschalter 7 im Zustand "1" -, so wird zusätzlich bei einem Schwenkwinkel -β, der der bereits erwähnten Entsicherungsstellung entspricht, auch der Steuerschalter 5 in seinen Zustand "1" geschaltet, so daß sich ein weiterer gemeinsamer Schaltzustand beider Steuerschalter ergibt.
From this diagram it can easily be seen that the control switch 7 is switched to the state "1" at a swivel angle + α of the locking cylinder. It remains switched during further swiveling of the lock cylinder in the same direction, whereby after passing the pressure point angle + δ a swivel angle + β is finally reached, in which the control switch 5 is also switched to its switching state "1", which results in a first common switching state, as above already mentioned. The angle + α corresponds to the regular locking position of the lock cylinder 11, while the angle + β corresponds to the locking position SI, as has already been described above.
If the swivel angle -α is opposite to this, only the control switch 5 is initially switched to its "1" state, corresponding to the regular unlocking position of the locking cylinder 11. If the swivel movement is continued beyond a further pressure point angle -δ - the control switch 7 remains in the "1" state "-, in addition, the control switch 5 is also switched to its" 1 "state at a swivel angle -β, which corresponds to the already mentioned unlocking position, so that there is a further common switching state of both control switches.

Die beiden gemeinsamen Schaltzustände, die sich jeweils bei Schwenkwinkeln +β und -β einstellen, können in einfacher Weise durch die Schaltreihenfolge, in der sie zustandekommen, unterschieden werden, wie nachstehend beschrieben.The two common switching states, which are set in each case at swivel angles + β and -β, can easily be distinguished by the switching sequence in which they come about, as described below.

Ausgehend vom Schaltschema nach Figur 1, dessen Bezugszeichen bei übereinstimmenden Bauteilen beibehalten wurden, sind hier zwei UND-Gatter 9.1 und 9.2 mit je drei Eingängen vorgesehen, wobei jeweils ein Eingang dieser UND-Gatter mit dem Steuerschalter 5 und ein zweiter Eingang dieser UND-Gatter mit dem Steuerschalter 7 verbunden ist.
Der Ausgang des UND-Gatters 9.1 ist über eine Leitung 10' an die Steuerleitung 10 zum Entsicherungssteuereingang DSaus angeschlossen, der Ausgang des UND-Gatters 9.2 ist über eine Leitung 8' an die Steuerleitung 8 zum Sicherungssteuereingang DSein angeschlossen.
Auch sind zwei Zeitglieder T₅ und T₇ vorgesehen, wobei T₅ durch den Steuerschalter 5 über ein UND-Gatter 17 und T₇ durch den Steuerschalter 7 über ein UND-Gatter 18 aktivierbar ist. Beide Zeitglieder T₅ bzw. T₇ haben gleiche Funktion und Zeitkonstanten.
Sie sind elektrisch gegeneinander verriegelt, indem einem invertierenden Eingang des UND-Gatters 17 - vor Zeitglied T₅ - ein Ausgangssignal des Zeitglieds T₇ und einem invertierenden Eingang des UND-Gatters 18 - vor Zeitglied T₇ - ein Ausgangssignal des Zeitglieds T₅ zugeführt wird. Ein Start eines der Zeitglieder ist also während der laufenden Zeitkonstante des jeweils anderen, zuerst gestarteten Zeitglieds nicht möglich.
Starting from the circuit diagram according to FIG. 1, the reference numbers of which have been retained in the case of matching components, two AND gates 9.1 and 9.2 are provided with three inputs each, one input of these AND gates with the control switch 5 and a second input of these AND gates is connected to the control switch 7.
The output of AND-gate 9.1 'is connected to the control line 10 for Entsicherungssteuereingang DS from the output of AND-gate 9.2 via a line 8' via a line 10 a connected to the control line 8 to the backup control input DS.
Also two timers T₅ and T₇ are provided, T₅ can be activated by the control switch 5 via an AND gate 17 and T₇ by the control switch 7 via an AND gate 18. Both time elements T₅ and T₇ have the same function and time constants.
They are electrically interlocked by an inverting input of the AND gate 17 - before the timing element T₅ - an output signal of the timing element T₇ and an inverting input of the AND gate 18 - before the timing element T₇ - an output signal of the timing element T₅ is supplied. It is therefore not possible to start one of the timers during the current time constant of the other, first started timer.

Ferner wird das Ausgangssignal des Zeitglieds T₅ einem dritten Eingang des UND-Gatters 9.1 und das Ausgangssignal des Zeitglieds T₇ einem dritten Eingang des UND-Gatters 9.2 zugeführt.Furthermore, the output signal of the timing element T₅ is fed to a third input of the AND gate 9.1 and the output signal of the timing element T₇ is fed to a third input of the AND gate 9.2.

Daraus ergibt sich folgende Funktion der Schaltung:
Wenn - bei Schwenkung des Schließzylinders im Verriegelungssinn - der Steuerschalter 7 zuerst geschaltet wird, gibt dieser neben einem Verriegelungssteuersignal über die Leitung 6 einen Startimpuls über das UND-Gatter 18 an das Zeitglied T₇, welches daraufhin das UND-Gatter 17 über dessen invertierenden Eingang sperrt.
Am UND-Gatter 9.2 sind indessen bereits zwei Eingänge logisch "1", so daß beim späteren Schalten des Steuerschalters 5 - in der Sicherungsstellung des Schließzylinders - ein Ausgangssignal des UND-Gatters 9.2 über die Leitung 8' auf die Steuerleitung 8 gegeben und die Sicherungsvorrichtung eingeschaltet wird.
This results in the following function of the circuit:
If - when the lock cylinder is pivoted in the locking direction - the control switch 7 is switched first, this gives, in addition to a locking control signal via line 6, a start pulse via the AND gate 18 to the timing element T₇, which then blocks the AND gate 17 via its inverting input .
At the AND gate 9.2, however, two inputs are already logic "1", so that when the control switch 5 is subsequently switched - in the locking position of the locking cylinder - an output signal from the AND gate 9.2 is given via the line 8 'to the control line 8 and the securing device is switched on.

Wenn - bei Schwenkung des Schließzylinders im Entriegelungssinn - der Steuerschalter 5 zuerst geschaltet wird, gibt dieser neben einem Entriegelungssteuersignal über die Leitung 4 einen Startimpuls über das UND-Gatter 17 an das Zeitglied T₅, welches daraufhin das UND-Gatter 18 über dessen invertierenden Eingang sperrt.
Am UND-Gatter 9.1 sind dann bereits zwei Eingänge logisch "1", so daß beim späteren Schalten des Steuerschalters 7 - in der Entsicherungsstellung des Schließzylinders - ein Ausgangssignal des UND-Gatters 9.1 über die Leitung 10' auf die Steuerleitung 10 gegeben und die Sicherungsvorrichtung ausgeschaltet wird.
If - when the lock cylinder is pivoted in the unlocking direction - the control switch 5 is switched first, this gives, in addition to an unlocking control signal via the line 4, a start pulse via the AND gate 17 to the timing element T welches, which then blocks the AND gate 18 via its inverting input .
At the AND gate 9.1, two inputs are then already logically "1", so that when the control switch 7 is subsequently switched - in the unlocking position of the locking cylinder - an output signal from the AND gate 9.1 is given via the line 10 'to the control line 10 and the securing device is turned off.

Es versteht sich, daß in der Zentralsteuerschaltung 1 intern die Rangfolge "zuerst entsichern, dann entriegeln" sichergestellt ist. Dies kann z. B. durch logische Verknüpfung eines Signals "Sicherungsvorrichtung eingeschaltet" mit dem Signal des Steuerschalters 5, das über die Leitung 4 zugeführt wird, geschehen, wobei letzteres gespeichert, jedoch seine Schaltwirkung solange unterdrückt wird, bis das erwähnte Signal "Sicherungsvorrichtung eingeschaltet" nicht mehr vorliegt.It is understood that in the central control circuit 1 the order of "unlock first, then unlock" is ensured internally. This can e.g. B. by logical combination of a signal "safety device switched on" with the signal of the control switch 5, which is supplied via the line 4, happen, the latter being stored, but its switching effect is suppressed until the above-mentioned signal "safety device switched on" is no longer present .

Außerdem versteht es sich, daß auch die hier zur bildlichen Darstellung außerhalb der Zentralsteuerschaltung 1 angeordneten logischen Gatter bzw. Zeitglieder in diese integriert werden können.In addition, it goes without saying that the logic gates or timing elements arranged outside the central control circuit 1 for the purpose of illustration can also be integrated into the latter.

Prinzipiell könnten die logischen Funktionen der UND-Gatter 17 und 18 auch durch Relais mit Öffnerkontakten realisiert werden, die ihrerseits von den Zeitgliedern T₅ bzw. T₇ steuerbar sein müßten.In principle, the logic functions of the AND gates 17 and 18 could also be implemented by relays with break contacts, which in turn should be controllable by the timing elements T₅ and T₇.

Der Deutlichkeit halber sind in Figuren 1 und 3 die Steuereingänge für Zentralverriegelungsanlage und Sicherungsvorrichtung getrennt dargestellt. In Figur 4 ist dagegen eine Zentralsteuerschaltung 1' mit nur zwei Eingängen E₁ und E₂ dargestellt, an die die Steuerschalter 5 und 7 direkt über Steuerleitungen 4' und 6' angeschlossen sind, d. h., hier sind die in Figuren 1 und 3 gezeigten logischen Gatter bzw. Zeitglieder und deren Verbindungen untereinander in die Zentralsteuerschaltung 1' integriert. In dieser ist natürlich auch die in Figuren 1 und 3 gezeigte Aufteilung in Steuerleitungen 4 und 6 bzw. 8 und 10 intern enthalten.
Zusätzlich sind nun an die Steuerleitungen 4' und 6' noch Ausgänge 5' und 7' eines Steuergerätes 19 (Codevergleicher, Verstärker etc.) einer Infrarot-Fernbedienungseinrichtung angeschlossen. Die beiden Ausgänge 5' und 7' des Steuergeräts 19 sind intern gegenseitig elektrisch verriegelt, so daß die Sicherungsvorrichtung - die ja nur bei gleichzeitigem Anliegen von Signalen beider Steuerschalter auf den Steuerleitungen 4' und 6' einschaltbar ist - über die Fernbedienung nicht eingeschaltet werden kann.
Für die Fernbedienung ist ein Handsender HS mit einem Emitter EM, einer Entriegelungstaste ET und einer Verriegelungstaste VT vorgesehen, der in bekannter Weise mit dem mechanischen Schlüssel S zusammengebaut ist.
For the sake of clarity, the control inputs for the central locking system and the safety device are shown separately in FIGS. 1 and 3. In Figure 4 , however, a central control circuit 1 'is shown with only two inputs E₁ and E₂, to which the control switches 5 and 7 are connected directly via control lines 4' and 6 ', ie, here are the logic gates shown in Figures 1 and 3 or Timers and their connections integrated into the central control circuit 1 '. This naturally also contains the division shown in FIGS. 1 and 3 into control lines 4 and 6 or 8 and 10 internally.
In addition, outputs 5 'and 7' of a control device 19 (code comparator, amplifier, etc.) of an infrared remote control device are now connected to the control lines 4 'and 6'. The two outputs 5 'and 7' of the control unit 19 are mutually electrically interlocked internally, so that the safety device - which can only be switched on when signals from both control switches are present on the control lines 4 'and 6' - cannot be switched on via the remote control .
For the remote control, a hand transmitter HS with an emitter EM, an unlocking key ET and a locking key VT is provided, which is assembled in a known manner with the mechanical key S.

Die elektrischen Steuerungsfunktionen seien gleich wie zu Figur 1 beschrieben. Bei dieser Konfiguration könnte es vorkommen, daß ein Fahrzeugbenutzer sein Fahrzeug mit dem Schlüssel S lediglich verriegeln, aber nicht sichern will, jedoch versehentlich während der Schlüsseldrehung im Verriegelungssinn auch eine der Tasten ET oder VT des Handsenders betätigt.
Um zu vermeiden, daß bei einem solchen zufälligen Zusammentreffen ohne den Willen des Fahrzeugbenutzers die Sicherungsvorrichtung eingeschaltet wird, können die Leitungen 4' und 6' wenigstens abschnittsweise in zwei Richtungen ("bidirektional") genutzt werden, wie in dem Abschnitt zwischen dem Steuergerät 19 und der elektrischen Ankupplung der Steuerschalter 5 bzw. 7 durch kleine Pfeile in beiden Richtungen angedeutet, so daß eine Übertragung von Signalen der Steuerschalter 5 und 7 auch zu dem Steuergerät 19 hin und deren Empfang und Verarbeitung darin möglich ist. Dieses wiederum weist zu diesem Zweck eine Sperrschaltung auf, die bei Anliegen eines Signals von einem - oder beiden - der Steuerschalter 5 oder/und 7 an einem oder beiden der Ausgänge 5' bzw. 7' mindestens die Wirkung eines Steuersignals der Infrarot-Fernbedienungseinrichtung über die Leitung 4' oder 6' unterdrückt.
Diese Wirkungsunterdrückung bzw. Sperrschaltung kann ohne weiteres durch eine interne logische Verknüpfung des Steuersignals der Infrarot-Fernbedienungseinrichtung mit einem Signal der Steuerschalter 5 bzw. 7 realisiert werden, wobei das erwähnte Steuersignal nur dann zur Zentralsteuerschaltung 1 durchgelassen wird, wenn kein Signal eines der besagten Steuerschalter anliegt ("AND NOT"-Verknüpfung).
The electrical control functions are the same as described for FIG. 1. With this configuration, it could happen that a vehicle user only wants to lock his vehicle with the key S, but does not want to secure it, but inadvertently actuates one of the buttons ET or VT of the hand-held transmitter while turning the key in the locking direction.
In order to avoid that the safety device is switched on in the event of such a random encounter without the will of the vehicle user, the lines 4 'and 6' can be used at least in sections in two directions ("bidirectional"), as in the section between the control device 19 and the electrical coupling of the control switches 5 and 7 indicated by small arrows in both directions, so that a transmission of signals from the control switches 5 and 7 to the control unit 19 and their reception and processing therein is possible. For this purpose, this in turn has a blocking circuit which, when a signal from one or both of the control switches 5 and / or 7 is present at one or both of the outputs 5 'and 7', has at least the effect of a control signal from the infrared remote control device line 4 'or 6' suppressed.
This effect suppression or blocking circuit can be easily implemented by an internal logical combination of the control signal of the infrared remote control device with a signal from the control switches 5 and 7, the control signal mentioned only being passed to the central control circuit 1 when no signal from one of the said control switches is present ("AND NOT" link).

Claims (14)

  1. Process for the electrical control of a central locking system (ZV, ZVE) and a securing device (DS, DSE) for motor vehicles which have at least one lock cylinder (11) with at least two associated control switches (5, 7),
    wherein
    - for the electrical control of the unlocking or locking of the central locking system (ZV, ZVE) and the disconnection or connection of the securing device (DS, DSE), the lock cylinder (11) is pivotable by means of a key out of a neutral position in the unlocking direction or in the locking direction and, as a result of further pivoting in the same direction, at least beyond a regular locking position into a securing position (SI) for connecting the securing device (DS, DSE),
    - at least one of the control switches (5, 7) is actuable during the pivoting of the lock cylinder (11) both in the unlocking direction and in the opposite locking direction,
    - at least the securing device (DS, DSE) provided for the additional mechanical blocking of locked closures is connectable and disconnectable by means of signals from the two control switches (5, 7),
    characterized by
    - the control of the central locking system (ZV, ZVE) in the unlocking direction by the actuation of one (5) and in the locking direction by the actuation of the other (7) control switch,
    - successive actuation of the two control switches (5, 7) during the pivoting of the lock cylinder (11) into the securing position (SI) and the simultaneous switching of the two control switches (5, 7) into a joint switching state in this securing position (SI),
    - the evaluation of this joint switching state for connecting the securing device (DS, DSE),
    - the disconnection of the securing device (DS, DSE) by actuating the control switch (5) actuated during the pivoting of the lock cylinder (11) in the unlocking direction.
  2. Process for the electrical control of a central locking system (ZV, ZVE) and a securing device (DS, DSE) for motor vehicles which have at least one lock cylinder (11) with at least two associated control switches (5, 7),
    wherein
    - for the electrical control of the unlocking or locking of the central locking system (ZV, ZVE) and the disconnection or connection of the securing device (DS, DSE), the lock cylinder (11) is pivotable by means of a key out of a neutral position in the unlocking direction or in the locking direction and, as a result of further pivoting in the same direction, at least beyond a regular locking position into a securing position (SI) for connecting the securing device (DS, DSE),
    - at least one of the control switches (5, 7) is actuable during the pivoting of the lock cylinder (11) both in the unlocking direction and in the opposite locking direction,
    - at least the securing device (DS, DSE) provided for the additional mechanical blocking of locked closures is connectable and disconnectable by means of signals from the two control switches (5, 7),
    - the lock cylinder (11) is also pivotable in the unlocking direction as a result of further pivoting in the same direction beyond a regular unlocking position into a desecuring position,
    characterized by
    - the control of the central locking system (ZV, ZVE) in the unlocking direction by the actuation of one (5) or in the locking direction by the actuation of the other (7) control switch,
    - the successive actuation of the two control switches (5, 7) during the pivoting of the lock cylinder (11) into the securing position (SI) and during the pivoting of the lock cylinder (11) into the desecuring position in a sequence dependent on the pivoting direction and the simultaneous switching of the two control switches (5, 7) into a joint switching state in these positions,
    - the evaluation by electrical switching means of the differing switching sequence in which, during the pivoting of the lock cylinder (11) into the securing position or the desecuring position, the two control switches (5, 7) are actuated,
    - the connection of the securing device (DS, DSE) when first the control switch used for the locking control (7) and then the control switch used for the unlocking control (5) are actuated and both also remain actuated at the same time,
    - the disconnection of the securing device (DS, DSE) when first the control switch used for the unlocking control (5) and then the control switch used for the locking control (7) are actuated and both also remain actuated at the same time, first the securing device (DS, DSE) being disconnected and then the central locking system (ZV, ZVE) being unlocked.
  3. Central locking system and securing device for motor vehicles, containing
    - at least one closing point with a lock cylinder (11) for the mechanical unlocking and locking of a door closure as a result of a key rotation starting from a neutral key withdrawal position and going in the unlocking or in the opposite locking direction, which is pivotable by means of the key at least into a securing position obtainable beyond a regular locking position (SI) in the locking direction,
    - two electrical control switches (5, 7) which are assigned to this closing point and of which the first (5) is switchable at least during the key rotation in the unlocking direction and the second (7) at least during the opposite key rotation in the locking direction by means of the pivoted lock cylinder (11),
    - a central control circuit (1) electrically controllable from the lock cylinder (11) indirectly by at least one control switch (5, 7) and belonging to a central locking system (ZV, ZVE), with actuating elements assigned to this for the unlocking or locking of further closures,
    - a securing device (DS, DSE) connectable and disconnectable by means of the central control circuit (1) after its activation by switching signals from the first and second electrical control switch (5, 7) and with actuating elements assigned to the securing device for the additional mechanical blocking of the centrally locked closures,
    - especially for carrying out the process according to Claim 1,
    characterized by
    - the control of a central locking system (ZV, ZVE) in the unlocking direction by the first (5) and in the locking direction by the second (7) control switch
    - actuating means (switch cam 16) for also switching the first control switch (5) into the securing position (SI) during the pivoting of the lock cylinder (11), with the result that, in this position, the two control switches (5 and 7) are switched at the same time,
    - switching elements (9) for linking signals from the two control switches (5, 7), and
    - the evaluation of the joint switching state occurring as a result of the simultaneously applied signals of the control switches (5, 7), for activating the securing device (DS, DSE) in the securing direction.
  4. Central locking system and securing device for motor vehicles according to Claim 3, containing
       - switch cams (14, 15, 16) mechanically connected fixedly in terms of rotation to the lock cylinder and for actuating the control switches (5, 7),
    characterized by
       - a switch cam (16) for actuating the first control switch (5) in an arrangement according to which the latter is switched by this switch cam (16) in the securing position (SI) of the lock cylinder (11), in addition to the second control switch (7) already previously switched by another cam (15).
  5. Central locking system and securing device for motor vehicles according to Claim 4,
    characterized by
    at least one logical gate (9) for linking switching signals from the first (5) and the second (7) control switch, the output of which is connected to an input (DSon) of the central control circuit (1) for connecting the securing device (DS, DSE).
  6. Central locking system and securing device for motor vehicles according to Claim 4,
    characterized by
    the assignment of a pressure-point device (13) to the lock cylinder (11), which makes it possible to bring the latter into the securing position (SI) merely by overcoming a noticeable mechanical resistance between the regular locking position and the securing position (SI).
  7. Central locking system and securing device for motor vehicles according to Claim 4,
    characterized by
    - the arrangement of the switch cams (14, 15, 16) on the outer circumference of a follower (12) rotationally coupled to the lock cylinder (11), and
    - the arrangement of the control switch (5, 7) in the immediate vicinity of the follower (12).
  8. Central locking system and securing device for motor vehicles, containing
    - at least one closing point with a lock cylinder (11) for the mechanical unlocking and locking of a door closure as a result of a key rotation starting from a neutral key withdrawal position and going in the unlocking or in the opposite locking direction, which is pivotable by means of the key into a securing position (SI) obtainable beyond a regular locking position in the locking direction and into a desecuring position obtainable beyond a regular unlocking position in the unlocking direction,
    - two electrically controlled switches (5, 7) which are assigned to this closing point and of which the first (5) is switchable at least during the key rotation in the unlocking direction and the second (7) at least during the opposite key rotation in the locking direction by means of the pivoted lock cylinder (11),
    - a central control circuit (1) electrically controllable from the lock cylinder (11) indirectly by means of at least one control switch (5, 7) and belonging to a central locking system (ZV, ZVE), with actuating elements assigned to this for the unlocking and locking of further closures,
    - a securing device (DS, DSE) connectable and disconnectable by means of the central control circuit (1) after its activation by switching signals from the first and the second electrical control switch (5, 7), with actuating elements assigned to this securing device for the additional mechanical blocking of the centrally locked closures,
    - especially for carrying out the process according to Claim 2,
    characterized by
    - the control of the central locking system (ZV, ZVE) by the first control switch (5) in the unlocking and by the second control switch (7) in the locking direction respectively,
    - actuating means (switch cam 16) for also switching the first control switch (5) into the securing position (SI) during the pivoting of the lock cylinder (11), with the result that, in this position, the two control switches (5 and 7) are switched at the same time,
    - actuating means (switch cam 16') for also switching the second control switch (7) into the desecuring position during the pivoting of the lock cylinder (11), with the result that, in this position too, the two control switches (5 and 7) are switched at the same time,
    - a sequence circuit (T₅, T₇, 17, 18) for evaluating the switching sequence of the two control switches (5, 7),
    - switching elements (9.1, 9.2) for linking signals from the two control switches (5, 7), and
    - the evaluation of the joint switching state occurring as a result of the simultaneously applied signals of the control switches (5, 7) and for connecting or disconnecting the securing device (DS, DSE) as a function of their switching sequence.
  9. Central locking system and securing device for motor vehicles according to Claim 8,
    characterized by
    a sequence circuit with
    - a first timing element (T₅) which is connected to the first control switch (5), can be started as a result of the connection of the latter and has a first output of the sequence circuit,
    - a second timing element (T₇) which is connected to the second control switch (7), can be started as a result of the connection of the latter and has a second output of the sequence circuit,
    - a blocking member (17 and 18) following each of the timing elements (T₅ and T₇) for preventing a simultaneous starting of the two timing elements (T₅, T₇).
  10. Central locking system and securing device for motor vehicles according to Claim 8 or 9,
    characterized by
    - a first logical AND gate (9.1), of which the output is connected to a desecuring control input (DSoff) of the ZS 1 and of which the first input is connected to the first control switch (5), the second input to the second control switch (7) and the third input to a first output (T₅) of the sequence circuit, and
    - a second logical AND gate (9.2), of which the output is connected to a securing control input (DSon) of the ZS 1 and of which the first input is connected to the first control switch (5), the second input to the second control switch (7) and the third input to a second output (T₇) of the sequence circuit.
  11. Central locking system and securing device for motor vehicles according to Claim 8,
    characterized by
    the assignment of respective pressure-point devices (13) to the lock cylinder (11), which make it possible to bring the latter into the securing position (SI) or into the desecuring position merely by overcoming a noticeable mechanical resistance between the regular locking position and the securing position (SI) or between the regular unlocking position and the desecuring position.
  12. Central locking system and securing device for motor vehicles according to Claim 8, containing
       - switch cams (14, 15, 16, 16') mechanically connected fixedly in terms of rotation to the lock cylinder and for actuating the control switches (5, 7),
    characterized by
    - the arrangement of the switch cams (14, 15, 16, 16') on the outer circumference of a follower (12) rotationally coupled to the lock cylinder (11), and
    - the arrangement of the control switches (5, 7) in the immediate vicinity of the follower (12).
  13. Central locking system and securing device for motor vehicles according to Claim 3 or 8, containing
       - a control unit connected to the central control circuit and having a receiver, by means of which at least the central locking system (ZV, ZVE) is also controllable by means of wirelessly and contactlessly transmittable code signals of an electronic key (code transmitter),
    characterized by
    - the connection of two outputs (5', 7') of the control unit (19) to the central control circuit (1') via two control lines (4' and 6'), to which one of the control switches (5 or 7) is also connected respectively for control-signal transmission,
    - the electrical suppression of an output signal of the control unit (19) when a signal from one of the control switches (5 or 7) is applied to its outputs (5', 7') via the control lines (4' and 6').
  14. Central locking system and securing device for motor vehicles according to Claim 13,
    characterized by
    electrical suppression of the output signal of the control unit (19) as a result of the internal logical linking of its control signal with each signal from the control switches 5 and 7, the said control signal being transmitted to the central control circuit 1 only when no signal from one of the said control switches is present ("AND NOT" operation).
EP19910100486 1990-02-27 1991-01-17 Central locking system and locking device for a vehicle and method for control of the same Expired - Lifetime EP0446574B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4006122 1990-02-27
DE19904006122 DE4006122A1 (en) 1990-02-27 1990-02-27 METHOD FOR CONTROLLING A CENTRAL LOCKING SYSTEM AND A SECURING DEVICE FOR MOTOR VEHICLES, AND A CENTRAL LOCKING SYSTEM AND SECURING DEVICE

Publications (3)

Publication Number Publication Date
EP0446574A2 EP0446574A2 (en) 1991-09-18
EP0446574A3 EP0446574A3 (en) 1992-04-29
EP0446574B1 true EP0446574B1 (en) 1994-02-16

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EP (1) EP0446574B1 (en)
JP (1) JPH04228783A (en)
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DE3703590C1 (en) * 1987-02-06 1988-07-14 Audi Ag Circuit arrangement for activating a central locking system
DE3717778A1 (en) * 1987-05-26 1988-12-08 Bocklenberg & Motte Bomoro Motor-vehicle doorlock
DE3804838C1 (en) * 1988-02-17 1989-01-26 Vdo Adolf Schindling Ag, 6000 Frankfurt, De
DE3827564C2 (en) * 1988-08-13 1993-12-23 Daimler Benz Ag Locking device for vehicles

Also Published As

Publication number Publication date
JPH04228783A (en) 1992-08-18
EP0446574A2 (en) 1991-09-18
DE4006122A1 (en) 1991-08-29
DE4006122C2 (en) 1992-09-17
US5184022A (en) 1993-02-02
EP0446574A3 (en) 1992-04-29

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