EP0066044B1 - Dispositif pour verrouiller et déverrouiller des portes - Google Patents

Dispositif pour verrouiller et déverrouiller des portes Download PDF

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Publication number
EP0066044B1
EP0066044B1 EP82101771A EP82101771A EP0066044B1 EP 0066044 B1 EP0066044 B1 EP 0066044B1 EP 82101771 A EP82101771 A EP 82101771A EP 82101771 A EP82101771 A EP 82101771A EP 0066044 B1 EP0066044 B1 EP 0066044B1
Authority
EP
European Patent Office
Prior art keywords
pressure
pump
switch
way valve
door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP82101771A
Other languages
German (de)
English (en)
Other versions
EP0066044A1 (fr
Inventor
Bernhard Stier
Klaus Rathmann
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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO 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
Application filed by Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of EP0066044A1 publication Critical patent/EP0066044A1/fr
Application granted granted Critical
Publication of EP0066044B1 publication Critical patent/EP0066044B1/fr
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/46—Locking several wings simultaneously
    • E05B77/50—Locking several wings simultaneously by pneumatic or hydraulic means
    • 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
    • Y10T70/60—Systems
    • Y10T70/625—Operation and control
    • Y10T70/65—Central control

Definitions

  • the invention relates to a device for unlocking and locking doors, in particular motor vehicle doors, in which door locking mechanisms with pneumatic actuators and centrally a pneumatic pump with an electrical control unit are provided on individual doors, the device being provided by at least one door switch which ent - And allows a locked position, controlled by a main door key and the electrical control unit of the pump is such that it alternately supplies the actuators with overpressure or underpressure with each start.
  • a device for unlocking and locking doors in particular motor vehicle doors, in which door locking mechanisms with pneumatic actuators and centrally a pneumatic pump with an electrical control unit are provided on individual doors, the device being provided by at least one door switch which ent - And allows a locked position, controlled by a main door key and the electrical control unit of the pump is such that it alternately supplies the actuators with overpressure or underpressure with each start.
  • a device is the subject of DE-A-2 805 004.
  • the actuators of the individual door locking mechanisms are connected by means of an automatically controlled by the system pressure 3/2-way valve with each start of the pump alternately with the vacuum outlet or the overpressure outlet of the pump.
  • a changeover switch also operated by the system pressure, ensures that the pump is switched off after the unlocking or locking process has been completed.
  • the pump is started by a door switch.
  • An alternative to the embodiment according to DE-A-2 805 004 is the device which is described in US-A-3105127. Instead of a piston pump, a vane pump is provided in this embodiment, the direction of rotation of which changes with each start-up, so that vacuum or overpressure alternately arises at its outlet.
  • the purpose of this pump control just like that according to the mentioned DE-A-2 805 004, is to be able to move the actuator of each door locking mechanism in two directions, that is to say in the locked position or open position, via only a single line to each door locking mechanism.
  • a device for unlocking and locking motor vehicle doors in which door locking mechanisms with actuators are provided on the individual doors. These actuators are driven by an electric motor and are controlled centrally by means of a key actuating a door switch.
  • the device has three switch positions and allows the doors to be locked either against opening from the outside or against opening from the inside and outside.
  • Motor vehicles with locked doors are often broken open by breaking a window and then opening the door on the door lever from the inside.
  • a third requirement for motor vehicle doors is to enable the vehicle user to lock themselves in so that the doors do not, e.g. B. at traffic lights or level crossings, can be opened from the outside for the purpose of a robbery.
  • the invention has for its object to develop a device of the type mentioned for unlocking and locking doors, in particular motor vehicle doors, which makes it possible in a particularly simple and therefore cheap and reliable manner, the doors either only against opening from the outside or lock against opening from inside and outside.
  • the advantages of the invention are numerous. First of all, one has the same possibilities in a motor vehicle provided with such a device as in a motor vehicle with conventional door locks. You can lock them so that the doors cannot be opened from the outside, but can always be opened from the inside. This type of locking is useful when driving through lonely areas or unsafe districts at night. Thanks to the invention there is a further possibility of locking the door locks.
  • the door locks can be locked from the outside in such a way that the doors cannot be opened from the inside or the outside. This locking position is useful if you want to leave the vehicle unattended for a long time.
  • a 3/2-way valve is provided on the pump output side, which supplies the pressure from the pump to either the door locking mechanism or the locking device, the normal rhythm of negative pressure and positive pressure that the pump can use to lock and unlock the door locking mechanism delivers.
  • Another advantage is that no electrical devices such as. B. limit switches or actuators must be provided so that the device according to the invention does not require any electrical lines to the individual door locks.
  • the switching operation of the 3/2-way valve takes place suddenly, in a position in which the blocking device is connected to the pump and pressurized. This eliminates the possibility that the slide of the 3/2-way valve can get caught in an intermediate position.
  • the electrical circuit of the device according to the invention is particularly simple by the measures specified in claim 5.
  • Claim 6 shows that the basic principle of the invention can also be used in a device which has a pump which can be switched in the direction of rotation and which, depending on the direction of rotation, generates overpressure or underpressure at its outlet.
  • the device shown consists essentially of three different units, which are each illustrated in the drawing by dashed outline. It is a main door lock 1, a central control unit 2 and secondary locks 3.
  • the main door lock 1 has a door switch 4, which enables three switch positions through contacts 5, 6, 7.
  • the door switch 4 can be actuated by means of a master key 8 so that all three switch positions are possible.
  • the main door lock 1 is designed in such a way that only two switching positions can be achieved by means of a secondary key (not shown).
  • electrical energy comes from one pole of the vehicle battery via a connecting terminal 9 and a switching element 10 of the door switch 4 to one of the contacts 5, 6 or 7, depending on the position of this switching element 10.
  • Electrical lines 11 run from these contacts, 12, 13 to contacts 14, 15, 16 in the central control unit 2.
  • the contacts 14, 15, 16 are part of a system pressure-dependent changeover switch 17.
  • This changeover switch 17 has a pneumatic actuating device 18.
  • a motor 20 Via a switching element 19 of the changeover switch 17, a motor 20 is capable of a pump 21 ' either from the connecting terminal 9 via the switching element 10, the contact 5, the line 11, the contact 14 and the switching element 19 or else from the terminal 9 via the switching element 10, the contact 6, the line 12, the contact 15 and the switching element 19 to receive current.
  • a 3/2-way valve which is controlled automatically by the pressure behind the pump 21 and which ensures that each time the pump 21 starts up, an overpressure or underpressure is built up alternately in a pressure line 22.
  • a pump with a 3/2-way valve is described in DE-OS 2 805 004.
  • a pressure line 23 branches off from the pressure line 22 and leads to the pneumatic actuating device 18 of the system pressure-dependent changeover switch 17.
  • the result of this is that the switching element 19 of the changeover switch 17 switches suddenly from the position shown in FIG. 1 by a mechanism, not shown, when the system reaches a certain negative pressure and then connects the contact 14 to the contact 19. Likewise, the changeover switch 17 jumps back to the position shown in FIG. 1 at a certain overpressure in the system.
  • the system pressure-dependent changeover switch 17 has in addition to the switching element 19 a disconnector 24 through which the contact 16 with a con Clock 25 is connectable, when the switching element 19 supplies the motor 20 with current via the contact 14.
  • An electrical transverse line 26 with a diode 27 enables current to flow from line 13 to line 11, but not in the opposite direction. However, this diode 27 can also be omitted if the door switch 4 is designed differently.
  • An electrical line 28 leads from the contact 25 to an electrical actuating device 29 of a 3/2-way valve 30 of the central control unit 2.
  • This 3/2-way valve 30 controls a pressure medium connection from the pressure line 22 either to a pressure line 32 or to by means of a slide 31 a pressure line 33.
  • the pressure line 32 leads directly into a pressure chamber 34 of an actuator 35 of the side door lock 3.
  • the pressure line 33 leads into a pressure chamber 36 of a pneumatic actuating device 37 of the 3/2-way valve 30.
  • a locking device 38 this is 3 / 2- Directional control valve 30 is held in the position shown, in which the pressure line 22 has a connection to the pressure line 32.
  • a pressure line 39 branches off from the pressure line 33 and leads into a pressure chamber 40 of a locking device 41.
  • the locking device 41 has a bolt 42, which can snap into a detent 43 of the actuator 35 and then block it.
  • the drawing shows only one side door lock 3.
  • any number of side door locks 3 can be provided, which are completely identical to the door lock 3 and can be supplied with overpressure or underpressure via branch lines 44, 45 of the pressure lines 32, 39.
  • the device described works as follows. In the unlocking position shown in Fig. 1, all units are de-energized. Is switched with the master key 8 or a minor key of the door switch 4 so that there is a power connection from the terminal 9 via the switching element 10 to the contact 6, then the motor 20 receives power from the terminal 9 via the switching element 10, the contact 6, the Line 12, the contact 15 and the switching element 19. The pump 21 then starts and generates vacuum in the pressure line 22. Controlled by the slide 31, this reaches the pressure chamber 34 via the pressure line 32 and pulls the actuator 35 of the secondary door lock 3 back into a locking position, which is shown in FIG. 2.
  • the negative pressure in the pressure line 22 also reaches the pneumatic actuating device 18 via the pressure line 23.
  • the system pressure-dependent changeover switch 17 is switched over, so that the switching element 19 lies on the contact 14. This in turn means that the motor 20 no longer receives current from the contact 15 and switches off. Another consequence is that the pressure in the entire system can decrease.
  • the motor 20 receives from the connecting terminal 9 via the switching element 10, the contact 5, the line 11, the contact 14 and the switching element 19 electrical energy and starts, so that 22 pressure is fed into the pressure line.
  • the actuator 35 moves up again.
  • the changeover switch 17 again switches to the position shown in FIG. 1.
  • the 3/2-way valve 30 of the central control unit has not been activated during the locking and unlocking.
  • the main door lock 1 must be brought into its third switching position, so that the switching element 10 establishes an electrical connection from the connecting terminal 9 to the contact 7. This should only be possible with the master key 8, but not with secondary keys.
  • the path to the third switching position inevitably leads via the second switching position, in which the actuator 35 and the changeover switch 17 assume the position shown in FIG. 2 due to negative pressure.
  • a motor control not shown, always ensures that each command issued by the door switch is carried out to the end, even if the command is immediately switched on after the command has been issued and a new command is thus issued.
  • the motor 20 receives current from the connecting terminal 9 via the switching element 10, the contact 7, the line 13, the cross line 26, the diode 27, the contact 14 and the switching element 19 so that the pump 21 starts up and generates excess pressure.
  • the electrical actuating device 29 immediately receives electrical energy from the connecting terminal 9 via the switching element 10, the contact 7, the line 13, the isolating switch 24 and the electrical line 28, so that the slide 31st reaches the upper position shown in FIG. 3. Overpressure from the pump 21 therefore passes from the pressure line 22 into the pressure line 33 and from there via the pressure line 39 into the pressure chamber 40.
  • overpressure reaches the pneumatic actuating device 18 via the pressure line 23, so that the system pressure-dependent changeover switch 17 switches over and reaches the position shown in FIG. 1.
  • the engine 20 is thus switched off and the system can become depressurized.
  • the door switch 4 is switched so that it connects, at least temporarily, from the connecting terminal 9 to the contact 6 manufactures and thus the motor 20 can start again, so that the pump 21 generates negative pressure.
  • the latch 42 is then withdrawn.
  • the changeover switch 17 is switched over. Negative pressure reaches the pressure chamber 36 via the pressure line 33, so that the slide 31 again reaches the position shown in FIG. 1.
  • FIG. 4 shows that the basic principle of the invention can also be used if a pump is used which, depending on the direction of rotation, generates overpressure or underpressure at its outlet. 4, components which correspond to those in FIGS. 1 to 3 are provided with the same position numbers.
  • the device shown in Fig. 4 just like the previously described, has as its most important components a door switch 4, a system pressure-dependent changeover switch 17, a motor 20 with a pump 21, a 3/2-way valve (not shown) with an electrical actuating device 29 and a pneumatic actuator, also not shown.
  • a door switch 4 a system pressure-dependent changeover switch 17, a motor 20 with a pump 21, a 3/2-way valve (not shown) with an electrical actuating device 29 and a pneumatic actuator, also not shown.
  • the pressure lines and the side door lock with the actuator and the locking element are also omitted in FIG. 4.
  • the changeover switch 17 has no isolating switch.
  • the electrical actuating device 29 is placed parallel to the motor 20 via a diode 46 and a switch 47 in such a way that the actuating device 29 is energized only when the switch 47 is closed and the pump 21 is under pressure.
  • the mode of operation of this embodiment arises analogously from that previously explained.
  • the pneumatic locking device is brought into the locking position by the switching element 10 establishing a connection between the contact 7 and the connecting terminal 9 and by the switch 47 being closed.
  • a modified embodiment of the 3/2-way valve 30 is shown very schematically.
  • This 3/2-way valve has a control element 48 which can be moved in a sudden manner in each of its two switching positions by a tension spring 49.
  • the tension spring 49 is articulated in an actuator 50 which can be moved in one direction by the pneumatic actuating device 37, but in the other direction by a tension spring 51. As a result of this displacement of the actuator 50, the tension spring 49 is displaced in such a way that the control element 48 switches over accordingly.
  • the actuator 50 is prevented from moving to its other position by a pawl 52 which is designed as an angle lever and which engages positively in one direction in a catch 53 of the actuator 50.
  • the pawl 52 can, however, disengage if it is pivoted counterclockwise by a cam 54 of a disk 55 driven by an electric motor 56.
  • the actuator 50 then snaps into the other end position due to the force of the tension spring 51, the actuator 48 switching over.

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  • Lock And Its Accessories (AREA)

Claims (7)

1. Dispositif pour déverrouiller et verrouiller des portes, notamment des portes de véhicule automobile, dans lequel il est prévu, sur différentes portes, des mécanismes de verrouillage de porte avec organes pneumatiques de manoeuvre (35) et au centre, une pompe pneumatique (21) avec une unité électrique de commande, le dispositif pouvant être commandé par au moins un contacteur de porte (4), qui permet une position déverrouillée et une position verrouillée, au moyen d'une clé principale de porte (8) et l'unité électrique de commande (2) de la pompe (21) étant agencée de manière à alimenter alternativement en surpression ou en dépression les organes de manoeuvre (35) à chaque enclenchement, caractérisé en ce que les organes de manoeuvre (35) comportent un dispositif de blocage (41) pouvant être actionné pneumatique- ment, en ce que le contacteur de porte-(4) comporte une troisième position de commande de la pompe (21) pouvant être étabile seulement au moyen d'une clé spéciale, en ce qu'en outre, il est prévu un verrouillage mécanique de serrure de porte actionné dans la troisième position de clé et en ce que, du côté de sortie de la pompe, est disposé un distributeur à 3/2 voies (29) par lequel, dans la troisième position de commande du contacteur de porte (4), le dispositif de blocage est soumis à la pression de sortie de la pompe.
2. Dispositif selon la revendication 1, caractérisé en ce que le distributeur à 3/2 voies (30) comporte, pour le déplacement jusque dans une position de commande, un dispositif électrique ou électromagnétique de manoeuvre (29) mais cependant pour le déplacement dans l'autre position de commande, un dispositif pneumatique de manoeuvre (37), qui peut être déplacé par une dépression dans le système et dont la pression d'actionnement est toujours supérieure à la pression d'actionnement du dispositif de blocage (41), en devant cependant être plus faible que la pression d'actionnement du dispositif pneumatique de manoeuvre (18) du commutateur (17).
3. Dispositif selon la revendication 1 ou une des suivantes, caractérisé en ce que le distributeur à 3/2 voies (30) est un distributeur à tiroir, dont le tiroir (31) est relié mécaniquement à une membrane du dispositif pneumatique de manoeuvre (37), en ce qu'il est prévu, sur la côté de la membrane opposé au tiroir (31), une chambre de pression (36) qui est en communication fluidique constante avec la chambre de pression (40) du dispositif de blocage (41) et en ce que le tiroir (31) et les raccords du distributeur sont agencés de telle sorte qu'un conduit de pression (22) partant de la pompe soit relié sélectivement avec un conduit de pression (32) aboutissant à l'organe de manoeuvre (35) de mécanisme de verrouillage de porte, ou bien avec un conduit de fluide sous pression (33, 39) aboutissant au dispositif de blocage (41) et simultanément à la chambre de pression (36) du dispositif pneumatique du manoeuvre (37) du distributeur à 3/2 voies (30).
4. Dispositif selon la revendication 1, ou une des revendications suivantes, caractérisé en ce que le distributeur à 3/2 voies (30) comporte un dispositif d'arrêt auto-déclenchable (38) dans la position où la pompe (21) est reliée à la chambre de pression (40) du dispositif de blocage (41).
5. Dispositif selon la revendication 1 ou une des suivantes, dans lequel il est prévu un commutateur électroque (17), commandé par la pression de service, dans le circuit de commande de la pompe (21), caractérisé en ce que le commutateur (17) est accouplé à un contacteur de séparation (24) par l'intermédiaire duquel une voie de transmission de courant est établie entre le contact (7) du contacteur de porte (4) associé à la position de verrouillage et le dispositif électrique ou électropneumatique de manoeuvre (29) du distributeur à 312 voies (30).
6. Dispositif selon la revendication 1 ou une des suivantes, dans lequel il est prévu une pompe pneumatique (21) qui fournit une dépression ou une surpression en fonction de son sens de rotation et qui comporte un inverseur de sens de rotation (17) commandé par la pression de service, caractérisé en ce que le dispositif électrique de manoeuvre (29) du distributeur à 3/2 voies est branché, par l'intermédiaire d'une diode (46) et d'un contacteur additionnel (47), en parallèle au moteur (20) de la pompe (21), de manière que le dispositif de manoeuvre (29) ne reçoive du courant que lorsque le contacteur (47) est fermé et dans le cas d'une surpression de la pompe (21).
7. Dispositif selon la revendication 1 ou une des suivantes, caractérisé en ce que le distributeur à 3/2 voies (30) est sollicité avec précontrainte pour le déplacement vers l'une des positions de commande par le dispositif pneumatique de manoeuvre (37), mais cependant pour le d'eplacement vers l'autre position de commande par un moyen élastique (ressort de traction 51) et en ce que le distributeur à 3/2 voies comporte en outre un cran d'arrêt (53) et un cliquet (52) pour un arrêt dans une position limite à partir de laquelle le débrayage est réalisé au moyen d'un moteur électrique (56).
EP82101771A 1981-05-25 1982-03-06 Dispositif pour verrouiller et déverrouiller des portes Expired EP0066044B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3120778 1981-05-25
DE3120778A DE3120778C2 (de) 1981-05-25 1981-05-25 Einrichtung zum Ent- und Verriegeln von Türen

Publications (2)

Publication Number Publication Date
EP0066044A1 EP0066044A1 (fr) 1982-12-08
EP0066044B1 true EP0066044B1 (fr) 1984-11-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP82101771A Expired EP0066044B1 (fr) 1981-05-25 1982-03-06 Dispositif pour verrouiller et déverrouiller des portes

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US (1) US4444032A (fr)
EP (1) EP0066044B1 (fr)
DE (2) DE3120778C2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3307542C2 (de) * 1983-03-03 1985-01-03 Daimler-Benz Ag, 7000 Stuttgart Kombinierte pneumatische Zentralverriegelungs- und Diebstahlssicherungsanlage für die Türen eines Kraftfahrzeuges
DE3627036A1 (de) * 1986-08-09 1988-02-11 Hella Kg Hueck & Co Kraftfahrzeug mit mehreren tuerschloessern
DE3641276A1 (de) * 1986-12-03 1988-06-16 Vdo Schindling Anordnung zur steuerung eines drehrichtungsumkehrbaren elektrischen antriebs einer bidruckpumpe in einem pneumatischen system einer zentralverriegelungsanlage eines kraftfahrzeugs
DE3804838C1 (fr) * 1988-02-17 1989-01-26 Vdo Adolf Schindling Ag, 6000 Frankfurt, De
DE4015268C1 (fr) * 1990-05-12 1991-09-26 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
DE4234261C5 (de) * 1992-10-10 2008-03-27 Hella Kgaa Hueck & Co. Türverriegelungseinrichtung für Kraftfahrzeuge
JPH06307138A (ja) * 1993-04-21 1994-11-01 Nissan Motor Co Ltd 車両用防盗装置
US5842364A (en) * 1996-06-21 1998-12-01 Oliver; Richard D. Vehicle immobilizing system
US6438007B1 (en) * 2000-05-03 2002-08-20 Raymond W. Pilukaitis Control circuit for paralleling power supplies and method of operation thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3105127A (en) * 1961-11-15 1963-09-24 Gen Motors Corp Circuit controlling switch apparatus
DE2522301C3 (de) * 1975-05-20 1980-11-20 Ymos-Metallwerke Wolf & Becker Gmbh & Co, 6053 Obertshausen Elektromagnetische Zentralverriegelungsvorrichtung für die Türen eines Kraftfahrzeuges
DE2805004A1 (de) * 1978-02-06 1979-08-09 Vdo Schindling Einrichtung zum ent- und verriegeln von tueren, insbesondere von kraftfahrzeugtueren
DE2826354A1 (de) * 1978-06-16 1979-12-20 Daimler Benz Ag Pneumatische zentralverriegelung von tueren und klappen von kraftfahrzeugen
DE2827899A1 (de) * 1978-06-24 1980-01-03 Ymos Metallwerke Wolf & Becker Einrichtung zum abschliessen und verriegeln, insbesondere von kraftfahrzeugtueren
DE2911630C2 (de) * 1979-03-24 1982-10-14 Kiekert GmbH & Co KG, 5628 Heiligenhaus Elektrische Zentralverriegelungsvorrichtung für Kraftfahrzeugtüren

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Publication number Publication date
US4444032A (en) 1984-04-24
EP0066044A1 (fr) 1982-12-08
DE3120778C2 (de) 1985-05-02
DE3120778A1 (de) 1982-12-23
DE3261259D1 (en) 1985-01-03

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