EP3039211B1 - Serrure électrique de véhicule automobile présentant un accumulateur à ressort - Google Patents

Serrure électrique de véhicule automobile présentant un accumulateur à ressort Download PDF

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Publication number
EP3039211B1
EP3039211B1 EP14750430.2A EP14750430A EP3039211B1 EP 3039211 B1 EP3039211 B1 EP 3039211B1 EP 14750430 A EP14750430 A EP 14750430A EP 3039211 B1 EP3039211 B1 EP 3039211B1
Authority
EP
European Patent Office
Prior art keywords
latch
lock
mechanical energy
energy storage
previous
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.)
Active
Application number
EP14750430.2A
Other languages
German (de)
English (en)
Other versions
EP3039211A1 (fr
Inventor
Thorsten Bendel
Michael Merget
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.)
Kiekert AG
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Kiekert AG
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Publication date
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Publication of EP3039211A1 publication Critical patent/EP3039211A1/fr
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Publication of EP3039211B1 publication Critical patent/EP3039211B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/90—Manual override in case of power failure
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/002—Energy storage by movement of wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0496—Springs actuated by cams or the like
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action

Definitions

  • the invention relates to a lock, in particular for a motor vehicle with a lock mechanism and with an electric drive for an electric opening of the lock.
  • a lock mechanism for a door or flap of a motor vehicle has a locking mechanism, which comprises a rotary latch and a pawl for locking the rotary latch.
  • the lock comprises a device which, especially in an emergency or incident, ensures that the lock can be opened mechanically, ie without an electric drive DE 198 49 674 A1 Such a castle is known.
  • An aforementioned lock is used for temporary closing of openings in motor vehicles or buildings by means of doors or flaps.
  • the rotary latch engages around a particular bow-shaped locking bolt, which is usually attached to the body in the case of a motor vehicle. Reached the catch by a caused by means of the locking pin pivoting starting from an open position one. Closed position, the catch is finally locked by means of the pawl.
  • a blocking surface of the Sperrklif'1fce then abuts a locking surface of the rotary latch, thereby preventing that the rotary latch can be rotated back in the open position.
  • the locking bolt can not leave the locking mechanism in the Sch Strukturstelluhg.
  • the lock may include a blocking lever that is capable of blocking a pawl when the pawl locks the catch. To open such a locking mechanism, the blocking lever must first be moved out of its blocking position.
  • the rotary latch can initiate an opening moment in the pawl in the rusted state.
  • the opening moment may cause the pawl to be moved out of its detent position.
  • unwanted moving out is prevented by a blocking lever. If the blocking lever is moved out of its blocking position, the lock then opens automatically.
  • a handle of a door or flap may be part of the actuator. This handle is usually connected via a linkage or a Bowden cable with an actuating lever of the castle. If the handle is actuated, the actuating lever of the lock is pivoted by means of the linkage or Bowden cable so that the lock opens.
  • a motor vehicle usually has an outside handle, which can be reached from the outside, and / or an inside handle, which can be reached from the inside.
  • the lock known therefrom can not be opened by operating an external handle, because in normal operation, a connection between an actuating lever and the locking mechanism, which is necessary for this purpose, is missing.
  • the lock can be opened from the outside in normal operation only with the help of an electric drive.
  • the mechanical connection between the handle and the locking mechanism is made by the electric drive, in order to then be able to open the lock mechanically in an emergency by operating the outer handle.
  • An emergency is for example in the case of an accident: ago. If a sensor signals the presence of an emergency, the electric drive establishes the mechanical connection within a few 10 ms. Today's such locks are able to change a lock within 20 ms so that this can then be opened mechanically.
  • the sensor can be the sensor of an airbag. If the sensor of an airbag signals an accident, electrical energy is still available for a few milliseconds (ms) following the signal, so that the mechanical connection can pass through the electric drive can be made. After that, the electrical power supply may fail.
  • ms milliseconds
  • Another censor can monitor the state of charge of a vehicle battery. If the state of charge of the battery falls below a certain threshold value, this case can be signaled by the sensor in order then to ensure that the electric drive establishes the mechanical connection, in order subsequently to enable a mechanical opening.
  • the aim is to be able to change over a lock from normal operation to emergency or accident operation within a particularly short time and / or with the least possible expenditure of electrical energy
  • a lock includes the.
  • Advantageous embodiments emerge from the subclaims.
  • the lock has Ober another operating condition, which is referred to below Stör plante.
  • Stör ist In fault mode, a mechanical opening of the lock is possible, which in the Normal operation is not possible.
  • the lock comprises a mechanical energy store for a changeover of the lock from normal operation to fault operation. This is to be understood as meaning an energy store whose mechanically stored energy can be used to convert the lock from normal operation to fault operation.
  • the claimed lock makes it possible to use mechanically stored energy in an accident or emergency to mechanically open the lock following the release of the mechanically stored energy, which is not possible in normal operation. Following a mechanical actuation, for example actuation of an outer handle of a door or flap, this door or flap can be opened in faulty operation without the need for electrical energy.
  • the need for electrical energy for such a transition from normal operation to interference operation is particularly low.
  • An example of a mechanical energy storage is a compressed air storage. If the lock is to be converted from normal operation to fault mode, the compressed air storage tank is opened. The pressure exiting gas is then used to, for example, an actuating lever with a pawl in the of the document DE 100 48 709 A1 to couple known manner. The escaping compressed air is then used to the from the publication DE 100 48 709 A1 bring known intermediate lever from a non-coupling position in a coupling position. For example, a fixed piston can be released, which is then moved due to the pressure in the compressed air reservoir. The movement of the piston can be used directly or indirectly to allow a mechanical actuation of the lock, so on Change over to faulty operation.
  • the lock comprises an electrical control which is able to control the release of the energy stored in the mechanical energy store.
  • the electrical control comprises an electromagnet that magnetically holds a coupling component in its non-coupling position. If there is no or no longer sufficient electrical energy available, so eliminates the magnetic force that is able to hold the coupling component in its non-coupling position. For example, with a preloaded spring, for example with a preloaded coil spring, then the coupling component is in their coupling Position moves, which makes it possible to open the lock mechanically. In this embodiment, electrical energy does not have to be available for a few milliseconds in order to mechanically open a door or flap in the event of a failure that results in a loss of electrical power.
  • a spring such as a coil spring. This is preloaded to store mechanical energy.
  • a mechanical energy storage can be provided in a technically simple manner with little space, which is particularly insensitive to interference.
  • a leg spring is used as a spring, moved by the example, a spring leg during the closing of the door and thus moved into a storage position.
  • a pin In order to store the energy of the spring, a pin is used according to the invention, which releases a prestressed leg of the spring for conversion to Stötalaya, so that by means of energy stored in the spring the possibility is created that the lock can operate mechanically.
  • a movable pin can also fix, for example, a piston of a compressed air reservoir in normal operation. By moving the pin, the piston is released to switch to jamming operation.
  • the pin is linearly moved or rotated to release the mechanically stored energy.
  • a rotational movement of the pin around its longitudinal axis is sufficient to release the mechanically stored energy.
  • time and energy can be further reduced in order to release the mechanical energy stored in the mechanical energy store for switching from normal operation to fault operation.
  • the pin has a slope or step for releasing the mechanically stored energy. Depending on the position of the slope or step mechanically stored energy is released. A long end of the slope fixes a preloaded leg of a spring, so that after turning the cylinder pin the: short side of the cylinder pin releases the spring. In contrast to known systems, the rotation of the pin can be done in very short periods of time, so that the energy of the spring is immediately available. It is thus possible that less than 5 ms electrical energy must be provided in order then to bring the lock with the help of the mechanically stored energy in a state that allows a mechanical actuation.
  • the electric drive with which the lock can be actuated, be controlled by the controller so that the electric drive is able to release the mechanically stored energy.
  • the electric drive is thus normally used to electrically actuate the lock so that subsequently the door or flap can be opened.
  • the electric drive is used to set the lock in a state that allows a mechanical actuation, for example, in one embodiment, the electric drive moves the aforementioned pin to release the stored mechanical energy by the movement of the pin.
  • the electric drive is controlled by an electric control system in order to achieve the set object, so that it is able to release the mechanically stored energy in the event of a malfunction.
  • the mechanical energy storage can be charged by closing a door or flap.
  • a spring so a spring is biased by closing a door or flap.
  • a piston is moved so that thereby a gas pressure is built up.
  • the lock is such that an associated door or flap can be mechanically opened from the outside only in faulty operation.
  • the door or flap can be mechanically opened from the inside.
  • the door or flap can be mechanically opened from the inside only in faulty operation,
  • the lock can be supplemented by an electric drive from normal operation to faulty operation in addition, such as in the document DE 100 48 709 A1 known way. Is sufficient in an emergency or accident sufficient amount and sufficiently long electrical energy Available, so the switching from normal operation can be made directly from an interference operation by an electric drive. The mechanical energy storage then complements the switching would be. but not mandatory for the conversion.
  • the invention makes it possible in particular during the closing of a side door or flap to bias a spring which is released in the event of a correspondingly high voltage drop of the battery of the motor vehicle or in the event of an accident, so that the mechanically stored energy is available to the lock In this way, the reaction times can be significantly reduced while at the same time minimizing the risk that an adequate power supply is not available.
  • the known 20 milliseconds can be reduced to times less than 5 milliseconds
  • the FIG. 1 shows a mechanical energy storage of a lock with which the lock can be switched from normal operation to faulty operation.
  • the mechanical energy storage comprises a prestressed Schenketfeder 1 with two legs 2 and 3.
  • the one leg 2 is biased to a bolt 4 at.
  • the other leg 3 is biased to a pin 5.
  • the spring 1 is held by an axis 6.
  • the pin 5 has a stepped end with a higher level 7 and a deeper level 8 on. In the charged state of the mechanical energy storage of the leg 3 of the spring 1 is at the higher level 7 at.
  • the FIG. 1 also shows a lever 9, which can be rotated about its axis 10.
  • One end of the lever 9 has a protruding pin 11 which bears against the leg 3 of the spring 1.
  • the pin 5 can be around his, in the FIG. 3 shown in section longitudinal axis 12 are rotated.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (11)

  1. Serrure, en particulier pour un véhicule à moteur, équipé d'un mécanisme de serrure, sachant que la serrure comprend deux états de fonctionnement différents, à savoir un fonctionnement normal dans lequel la serrure peut être ouverte électriquement, et un fonctionnement perturbé dans lequel la serrure peut être ouverte mécaniquement, caractérisée en ce que la serrure comprend un accumulateur d'énergie mécanique (1, 5) avec lequel la serrure peut être commutée du fonctionnement normal sur le fonctionnement perturbé, caractérisé en ce qu'une tige (5) déplaçable est présente, tige qui par déplacement est capable de libérer l'énergie accumulée dans l'accumulateur d'énergie mécanique (1,5).
  2. Serrure selon la revendication 1, caractérisée en ce que la serrure comprend une commande électrique capable de piloter la libération de l'énergie accumulée dans l'accumulateur (1, 5) d'énergie mécanique.
  3. Serrure selon la revendication 1 ou 2, caractérisée en ce que l'accumulateur d'énergie mécanique comprend un ressort, en particulier un ressort (1) à branches.
  4. Serrure selon l'une des revendications précédentes, caractérisée en ce que la tige (5) est capable, en tournant autour de son axe longitudinal (12), de libérer l'énergie accumulée dans l'accumulateur (1, 5) d'énergie mécanique.
  5. Serrure selon la revendication précédente, caractérisée en ce qu'une extrémité de la tige (5) comprend un gradin (7, 8) ou un chanfrein pour libérer l'énergie accumulée dans l'accumulateur (1, 5) d'énergie mécanique.
  6. Serrure selon l'une des revendications précédentes, caractérisée en ce qu'un entraînement électrique, avec lequel la serrure peut être ouverte électriquement en fonctionnement normal, est capable de déplacer la tige (5) pour commuter du fonctionnement normal sur le fonctionnement perturbé.
  7. Serrure selon l'une des revendications précédentes, caractérisée en ce qu'un entraînement électrique peut être piloté par une commande électrique de sorte que cet entraînement soit capable de libérer l'énergie accumulée dans l'accumulateur d'énergie mécanique.
  8. Serrure selon l'une des revendications précédentes, caractérisée en ce que la serrure peut être commutée du fonctionnement normal sur le fonctionnement perturbé en couplant un levier d'actionnement de la serrure avec le mécanisme de verrouillage de la serrure.
  9. Serrure selon la revendication précédente, caractérisée en ce qu'est présent un levier intermédiaire permettant de coupler le levier d'actionnement avec le mécanisme de verrouillage, levier intermédiaire qui peut être amené, par l'énergie mécanique accumulée, d'une position ne provoquant pas d'accouplement sur une position provoquant un accouplement.
  10. Serrure selon l'une des revendications précédentes, caractérisée en ce que l'accumulateur d'énergie mécanique peut être rechargé en énergie en fermant une porte ou un hayon.
  11. Serrure selon l'une des revendications précédentes, caractérisée en ce que seulement en fonctionnement perturbé une porte ou un hayon peut être ouvert(e) mécaniquement de l'extérieur.
EP14750430.2A 2013-08-29 2014-07-14 Serrure électrique de véhicule automobile présentant un accumulateur à ressort Active EP3039211B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013217265.6A DE102013217265A1 (de) 2013-08-29 2013-08-29 Elektrisches Kraftfahrzeugschloss mit Federspeicher
PCT/DE2014/100251 WO2015027983A1 (fr) 2013-08-29 2014-07-14 Serrure électrique de véhicule automobile présentant un accumulateur à ressort

Publications (2)

Publication Number Publication Date
EP3039211A1 EP3039211A1 (fr) 2016-07-06
EP3039211B1 true EP3039211B1 (fr) 2019-10-02

Family

ID=51302874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14750430.2A Active EP3039211B1 (fr) 2013-08-29 2014-07-14 Serrure électrique de véhicule automobile présentant un accumulateur à ressort

Country Status (5)

Country Link
US (1) US10577841B2 (fr)
EP (1) EP3039211B1 (fr)
CN (1) CN105683466B (fr)
DE (2) DE102013217265A1 (fr)
WO (1) WO2015027983A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015205345A1 (de) * 2015-03-24 2016-09-29 Kiekert Ag Betätigungseinrichtung für ein Kraftfahrzeugelektroschloss mit Federspeicher
DE102018121382A1 (de) * 2018-09-03 2020-03-05 Kiekert Ag Antriebseinheit für kraftfahrzeugtechnische Anwendungen
DE102018121383A1 (de) * 2018-09-03 2020-03-05 Kiekert Ag Kraftfahrzeugtürschloss
DE102018128810A1 (de) * 2018-11-16 2020-05-20 Kiekert Aktiengesellschaft Kraftfahrzeugschloss
DE102022113060A1 (de) 2022-05-24 2023-11-30 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss

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DE4218177C2 (de) * 1992-06-02 1994-12-08 Bayerische Motoren Werke Ag Stelleinheit für Schlösser von Kraftfahrzeugtüren
US6102454A (en) 1997-09-15 2000-08-15 Robert Bosch Gmbh Motor vehicle door lock arrangement
DE19849674C2 (de) * 1998-10-28 2001-01-11 Bosch Gmbh Robert Einrichtung zum Entriegeln von Türen eines Kraftfahrzeuges bei Ausfall der Bordnetzspannung
JP2001173290A (ja) 1999-12-21 2001-06-26 Mitsui Mining & Smelting Co Ltd アクチュエータユニット
DE10048709A1 (de) 2000-09-30 2002-04-18 Kiekert Ag Kraftfahrzeugtürverschluss
DE10054026A1 (de) * 2000-11-01 2002-05-08 Bayerische Motoren Werke Ag Schloss mit Sicherungseinrichtung an einer Tür oder dergleichen, insbesondere Fndraumtür eines Kraftfahrzeugs
FR2852993B1 (fr) * 2003-03-27 2005-05-06 Valeo Securite Habitacle Serrure pour ouvrant de vehicule automobile, a memorisation de decondamnation/condamnation
US7240524B1 (en) * 2004-06-15 2007-07-10 White Bryan A Locking apparatus for a garage door
DE102004033735B4 (de) * 2004-07-13 2006-07-27 Huf Hülsbeck & Fürst Gmbh & Co. Kg Vorrichtung zur Betätigung von Schlössern an Türen oder Klappen von Fahrzeugen
DE102007003948A1 (de) 2006-11-22 2008-05-29 Kiekert Ag Schlosseinheit mit mehrteiliger Sperrklinke
DE102008018500A1 (de) 2007-09-21 2009-04-02 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloß
DE102008011545A1 (de) * 2008-02-28 2009-09-03 Kiekert Ag Kraftfahrzeugtürverschluss
DE202008012484U1 (de) * 2008-09-21 2010-02-18 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloß
DE202010011539U1 (de) * 2010-08-18 2011-12-13 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
DE202010013611U1 (de) * 2010-09-27 2011-12-28 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
US8746024B2 (en) * 2012-06-14 2014-06-10 Aaron M. Baker Rebound locking mechanism
DE202012007312U1 (de) * 2012-07-31 2013-11-04 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschlossanordnung
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Also Published As

Publication number Publication date
DE112014003919A5 (de) 2016-06-09
EP3039211A1 (fr) 2016-07-06
DE102013217265A1 (de) 2015-03-19
WO2015027983A1 (fr) 2015-03-05
CN105683466B (zh) 2019-03-26
US10577841B2 (en) 2020-03-03
US20160222704A1 (en) 2016-08-04
CN105683466A (zh) 2016-06-15

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