EP1371802A2 - Serrure de porte pour véhicule automobile avec condamnation centrale actionnée électromécaniquement - Google Patents

Serrure de porte pour véhicule automobile avec condamnation centrale actionnée électromécaniquement Download PDF

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Publication number
EP1371802A2
EP1371802A2 EP03010753A EP03010753A EP1371802A2 EP 1371802 A2 EP1371802 A2 EP 1371802A2 EP 03010753 A EP03010753 A EP 03010753A EP 03010753 A EP03010753 A EP 03010753A EP 1371802 A2 EP1371802 A2 EP 1371802A2
Authority
EP
European Patent Office
Prior art keywords
motor
electric drive
drive motor
motor vehicle
speed
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.)
Withdrawn
Application number
EP03010753A
Other languages
German (de)
English (en)
Other versions
EP1371802A3 (fr
Inventor
Checrallah Kachouh
Ingmar Hentsch
Peter Bartel
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.)
Brose Schliesssysteme GmbH and Co KG
Original Assignee
Brose Schliesssysteme GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE10232280A external-priority patent/DE10232280A1/de
Application filed by Brose Schliesssysteme GmbH and Co KG filed Critical Brose Schliesssysteme GmbH and Co KG
Publication of EP1371802A2 publication Critical patent/EP1371802A2/fr
Publication of EP1371802A3 publication Critical patent/EP1371802A3/fr
Withdrawn legal-status Critical Current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
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • 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
    • E05B77/36—Noise prevention; Anti-rattling means
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/25—Actuators mounted separately from the lock and controlling the lock functions through mechanical connections
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/32—Details of the actuator transmission
    • E05B81/34—Details of the actuator transmission of geared transmissions
    • 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
    • E05B81/56—Control of actuators
    • E05B81/62—Control of actuators for opening or closing of a circuit depending on electrical parameters, e.g. increase of motor current
    • 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
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • 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
    • E05B77/22—Functions related to actuation of locks from the passenger compartment of the vehicle
    • E05B77/24—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like
    • E05B77/26—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like specially adapted for child safety
    • 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
    • E05B77/54—Automatic securing or unlocking of bolts triggered by certain vehicle parameters, e.g. exceeding a speed threshold
    • 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
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor

Definitions

  • the invention relates to a motor vehicle door lock with an electromechanical Central locking drive with the features of the generic term of claim 1 and a method having the features of the preamble of Claim 10.
  • a conventional motor vehicle door lock of the type in question that is Closure for a motor vehicle side door, a tailgate or tailgate, however also for a sliding door of a motor vehicle, has regular locking elements such as rotary latch and pawl as well as a lock mechanism with various Lever that are used for actuation.
  • Motor vehicle door locks with an electromechanical are widespread Central locking drive (e.g. DE 100 06 765 A1). From this one regularly a mechanical central locking element of the lock mechanism driven to the motor vehicle door lock at least in a total Unlocked position, in which the motor vehicle door is opened from the outside and inside can be, and in a locking position in which the motor vehicle door only can be opened from the inside, but cannot be opened from the outside, bring to.
  • a third position is also often set up, namely an anti-theft position, in which the motor vehicle door neither from the outside nor from can be opened inside.
  • Rear doors also provide a child lock position in which the motor vehicle door can be opened from the outside, but not from the inside.
  • the known motor vehicle door lock from which the invention is based (DE 44 39 479 A1), initially has an electromechanical central locking drive and a mechanical central locking element driven thereby in the form of a central locking lever.
  • the central locking drive an electric drive motor, a transmission with the gear wheel forming the driven element and arranged thereon Driver pin via which the central locking element is designed as a swivel lever between two positions, the unlocked position and the locked position, can be pivoted back and forth.
  • the construction is taken here so that the central locking element when the electrical is switched off Drive motor is decoupled from the drive motor and is resistance-free can be moved mechanically from one position to the other, for example by actuating a locking cylinder.
  • This motor vehicle door lock has an electronic engine control.
  • the engine control is designed so that it is the electric drive motor for driving the central locking element in the locked position either after receiving a Actuation signal from an actuation unit such as a locking cylinder, a lock button, a remote control receiver unit or Handle (outside door handle, inside door handle) directly controlled or controlled automatically, as soon as a certain operating state of the motor vehicle has been reached is.
  • an actuation unit such as a locking cylinder, a lock button, a remote control receiver unit or Handle (outside door handle, inside door handle) directly controlled or controlled automatically, as soon as a certain operating state of the motor vehicle has been reached is.
  • the latter of course also requires an actuation signal, but this is not triggered by an operator, but it becomes automatic triggered when a certain operating state of the motor vehicle is reached.
  • Such an operating state is, for example, a certain minimum speed of the motor vehicle after a previous standstill.
  • Known motor vehicle door lock serves for the safety of vehicle occupants before raids at traffic light crossings or the like. Is an operator in got into the motor vehicle, started the engine and started driving, so lock all door locks of the motor vehicle when a minimum speed is exceeded of the motor vehicle automatically and remain locked until the operator gets out again.
  • the Engine control still do another thing, namely a shutdown of the electrical Drive motor when reaching the locking position (or the unlocking position).
  • the electrical Drive motor is provided at least one stop, which is another Rotation of the electric drive motor blocked.
  • the engine control is included designed so that the switching off of the electric drive motor at least when the locking position is reached in accordance with the signal from the engine condition sensor he follows.
  • the motor current sensor known in the prior art it means that the current draw of the electric drive motor is monitored and the electric drive motor is switched off when a certain limit value of the motor current exceeded for a certain time becomes. This is indicated in the engine control as blocking the engine evaluated the central locking element or the stop, the electrical The drive motor is then switched off.
  • the existing engine control is used to: regulate the speed of the electric drive motor. It is possible to let the electric drive motor run much slower overall than usual so far. A slow running electric drive motor leads a slower reaction of the mechanics of the motor vehicle door lock, however, there are a number of significant advantages. First results optimal speed adjustment over the entire travel of the Central element. On the levers of the lock mechanism are unnecessary high acceleration forces avoided. The slow running speed of the central locking drive leads to a reduction in noise. Without further ado, the block operation of the Integrate electric drive motor, with the blocking current being additionally regulated can be. Especially with a digital control circuit this function practically without additional costs only in the programming of one Realize microcomputers.
  • a normal central locking drive is in a normal motor vehicle designed for the usual on-board voltage, mostly 12 V in Europe, but must also with a lower voltage, for example 9 V at 85 ° C, but of course also in the event of overvoltage, for example 16 V, function properly.
  • a lower voltage for example 9 V at 85 ° C
  • overvoltage for example 16 V
  • the central locking drive is essential lower voltage, for example a voltage of 3 V.
  • the central locking drive does not have a lower voltage Torque available for overcoming additional opposing forces is required.
  • the inventive regulation of the speed of the electric drive motor now leads to the supply voltage in Response to the load is increased and reduced again when the load ceases to exist. Overall, the central locking drive runs slower and less powerful, but much quieter.
  • the teaching of the invention with automatic control is of particular importance of the electric drive motor.
  • the slower mechanical response is not perceived as a nuisance in such a case because the Control of the electric drive motor the operator the time Course does not perceive anyway.
  • the operator takes in one such case only - positive - true that the motor vehicle door lock is very quiet works because the speed is so low and therefore unavoidable impact noises be reduced to a minimum.
  • the previously described for the automatic control of the electric drive motor Regulation can be activated selectively even when the electrical Drive motor manually controlled from the interior of the motor vehicle will, e.g. B. with the lock button for the general locking of the motor vehicle or with a locking button or the like for controlling the child lock.
  • the interior of the motor vehicle is namely manual Driving the noise of the motor vehicle door lock stronger felt as from the outside. Accordingly, it is considered comfortable and felt pleasant, although in this case a quiet operation of the Central locking drive is present.
  • Motor current sensor as motor state sensor of the motor vehicle door lock, because such a motor current sensor for a DC motor used in the motor vehicle is usually used, represents an inexpensive sensor element.
  • other sensors can also be used, for example one Speed sensor (encoder, pulse counter; magnetic, optical).
  • Claims 10 to 15 relate to a corresponding method.
  • the teaching of the invention relates to a motor vehicle door lock with a electromechanical central locking drive 1 and one of them driven mechanical central locking element 2.
  • the central locking drive 1 shows an electrical embodiment Drive motor 3, which via a reduction gear designed here as a gear transmission 4, the mechanical central locking element designed here as a swivel lever 2 drives.
  • Electric drive motors 3 with reduction gear 4 for example Worm gear, helical / bevel gear and, partly coupled with it, Spindle / spindle nut gear.
  • the state of the art be referenced, which specifies a variety of alternatives.
  • the central locking drive 1 has an engine control 5.
  • the engine control 5 in the Figure is on the left with mains connections 7 as entered on the DC voltage of the Vehicle electrical system connected and controls the switching on and off and, according to the invention, the speed of the electric drive motor 3.
  • Part of the engine control 5 is an engine condition sensor 6. This is in the illustrated embodiment as a motor current sensor, namely as a sensor resistor executed.
  • the central locking element 2 is from the central locking drive 1, in illustrated embodiment of a gear 4a of the reduction gear 4, at least in a locking position.
  • This locking position is shown in the figure. Basically, it is possible to use the central locking drive 1 to work in one direction and even so to work that only the locking position of the central locking drive 1 is approached. The unlocked position could then only be mechanical be approached.
  • the central locking drive 1 the central locking element 2, at least in the not directly operated from motor vehicle door locks, not only in a locked position, but also in an unlocked position brings.
  • the illustrated embodiment shows one reversing central locking drive 1.
  • central locking drives that have three positions, namely one Unlocking position, a locking position and an anti-theft position can start off, also a child lock position. problem Based is only important for the teaching of the invention that the central locking drive 1 can move to the locking position.
  • the motor controller 5 is designed such that it drives the electric drive motor 3 for driving the central locking element 2 in the locking position upon receipt of an actuation signal from an actuation unit such as Lock cylinder, a lock button, a remote control receiver unit or a handle (outside door handle, inside door handle), furthermore the Motor control 5 designed so that it also the electric drive motor 3 automatically controls as soon as a certain operating state of the motor vehicle has been achieved.
  • an actuation unit such as Lock cylinder, a lock button, a remote control receiver unit or a handle (outside door handle, inside door handle)
  • a certain operating state can be understood e.g. a condition at the airbag sensors have detected people in all places in the vehicle.
  • the operating state determined as such is the achievement of a certain driving speed after a first or new start of the vehicle. This is a feature of modern motor vehicle door locks for security reasons, protection against traffic light raids or the like, increasingly to have.
  • a motor controller 5 is now often in an integrated circuit, realized in particular a microcomputer, so that the design of the engine control 5 essentially means their appropriate programming.
  • the engine controller 5 is a control loop including the engine condition sensor 6 and this control circuit is designed so that when activated of the electric drive motor 3, the electric drive motor 3 with a running at low speed and using the signal from the engine condition sensor 6 is regulated to this speed.
  • control loop is designed so that with automatic control of the electric drive motor 3 after reaching the specific operating state of the motor vehicle, in particular the particular driving speed of the motor vehicle, the electric drive motor 3 with one opposite the normal control of the electric drive motor 3 after receiving a Actuation signal runs much lower speed and using the Signal of the engine condition sensor is regulated to this lower speed.
  • the motor controller 5 shows the microcomputer 8, which all control functions of the Motor control 5 organized centrally.
  • On the microcomputer 8 is the input side on the one hand a speed sensor 9 for determining the respective vehicle speed, on the other hand, at least one actuation sensor 10 for detection an actuation signal from an actuation unit as explained above, shown here as radio remote control 10a, connected.
  • the microcomputer 8 receives on the one hand an input signal which allows the microcomputer 8, reaching a certain operating state of the motor vehicle, in the present Embodiment reaching a certain driving speed of the motor vehicle, on the other hand, an actuation signal that the active operation indicated by an operator.
  • the microcomputer 8 has a measurement input 11 which is connected to the engine status sensor 6, here the motor current sensor (resistor) is connected.
  • Outputs of the microcomputer 8 are connected to two motor switches 12 which allow the electric drive motor 3 in both directions of rotation drive.
  • two motor switches 12 By reversing the polarity of the connections 13 of the electric drive motor 3 by means of the motor switch 12, one or the other direction of rotation predetermined or, in the case of motor switches 12 that switch against one another, a short circuit of the connections 13 for the purpose of rapid braking of the electric drive motor 3 are brought about.
  • the motor switch 12 is more electronic Switches (e.g. transistor or thyristor switches) will be, as in the entire circuit arrangement of the microcomputer 8 or on a corresponding Board can be integrated. Basically, of course, are excluded neither do electromechanical switches.
  • control loop of the engine control 5 here by means of the microcomputer 8 allows the electric drive motor 3 with automatic control, for example, based on the signal from the speed sensor 9 a minimum speed taking into account the current operating conditions to regulate.
  • the programming of the Microcomputers 8 hit so that this is actually only with automatic control takes place, although it would be possible in principle, in general to operate electric drive motor 3 in accordance with speed control.
  • the central locking drive 1 is also to be used minimum speed from the starting point to the end stop of the locking position, shown in the figure.
  • Torques are generated by the microcomputer 8 by regulating the Supply voltage of the electric drive motor 3 balanced. Elevated the torque on the output shaft of the electric drive motor 3, so the current drawn by the electric drive motor 3 increases. The voltage drop the internal resistance of the electric drive motor 3 increases, the induced voltage is reduced and the speed of the electric drive motor 3 goes back. The reaction to one is correspondingly reversed Reduction of the torque to be applied by the electric drive motor 3.
  • the circuit shown in the figure sets the engine state sensor 6 in Form a measuring resistor a voltage drop proportional to the motor current fixed, which is evaluated by the microcomputer 8. If the voltage drop increases, so the supply voltage of the electrical Drive motor 3 increases accordingly until the desired speed of the electric drive motor 6 is reached.
  • the speed of the electric drive motor 3 can be close to down to the minimum possible speed, which of course was not undercut may be so that the electric drive motor 3 is not in the meantime suddenly stops and gets stuck.
  • the Relocation of the central locking element 2 with automatic control of the electric drive motor 3 takes place as slowly as possible.
  • the operator sitting in the vehicle does not notice acoustically after starting the vehicle that the Motor vehicle door locks with electromechanical central locking conclude. At least the operator sitting in the vehicle feels that Closing the electromechanical central locking system as extremely quiet. The same applies if there is manual locking from the inside. This also applies to unlocking from the interior of the motor vehicle.
  • the microcomputer 8 control the electric drive motor 3 at a higher speed, so that results in a stronger noise. That means for the operator the desired acoustic feedback that his operation was successful had.
  • the present configuration of the motor control can be particularly expedient 5 also use when to turn off the electric drive motor 3 at least one stop 14 is provided, which further rotation of the electric drive motor 3 blocked.
  • the motor control can be 5 be designed so that the switching off of the electric drive motor 3 at least when the locking position is reached in accordance with the Signal of the engine state sensor 6 takes place. So with no further effort a block operation of the central locking drive 1 integrated in terms of circuitry.
  • the stop 14 is by a stop surface specified on the central locking element 2 itself against the one Pin on the gear 4a of the reduction gear 4 moves, as in the figure indicated. This is a technique that is known from DE 44 39 479 A1 or US 4,793,640 A is known.
  • control circuits can be found in the specialist literature, for example in the Tietze reference explained in the general part of the description, Schenck.

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EP20030010753 2002-06-12 2003-05-14 Serrure de porte pour véhicule automobile avec condamnation centrale actionnée électromécaniquement Withdrawn EP1371802A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10226190 2002-06-12
DE10226190 2002-06-12
DE10232280 2002-07-16
DE10232280A DE10232280A1 (de) 2002-06-12 2002-07-16 Kraftfahrzeug-Türverschluß mit einem elektromechanischen Zentralverriegelungsantrieb

Publications (2)

Publication Number Publication Date
EP1371802A2 true EP1371802A2 (fr) 2003-12-17
EP1371802A3 EP1371802A3 (fr) 2006-05-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030010753 Withdrawn EP1371802A3 (fr) 2002-06-12 2003-05-14 Serrure de porte pour véhicule automobile avec condamnation centrale actionnée électromécaniquement

Country Status (2)

Country Link
US (1) US6936983B2 (fr)
EP (1) EP1371802A3 (fr)

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DE102007052889A1 (de) * 2007-11-02 2009-05-07 Kiekert Ag Kraftfahrzeugtürverschluss
WO2013178208A3 (fr) * 2012-05-26 2014-01-23 Kiekert Aktiengesellschaft Serrure de portière de véhicule automobile
WO2018049930A1 (fr) * 2016-09-14 2018-03-22 蔚来汽车有限公司 Procédé de verrouillage automatique de véhicule et système de verrouillage automatique de véhicule

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US9704314B2 (en) 2014-08-13 2017-07-11 August Home, Inc. BLE/WiFi bridge that detects signal strength of Bluetooth LE devices at an exterior of a dwelling
US11072945B2 (en) 2013-03-15 2021-07-27 August Home, Inc. Video recording triggered by a smart lock device
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US10140828B2 (en) 2015-06-04 2018-11-27 August Home, Inc. Intelligent door lock system with camera and motion detector
US10388094B2 (en) 2013-03-15 2019-08-20 August Home Inc. Intelligent door lock system with notification to user regarding battery status
US11441332B2 (en) 2013-03-15 2022-09-13 August Home, Inc. Mesh of cameras communicating with each other to follow a delivery agent within a dwelling
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US11352812B2 (en) 2013-03-15 2022-06-07 August Home, Inc. Door lock system coupled to an image capture device
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US11043055B2 (en) 2013-03-15 2021-06-22 August Home, Inc. Door lock system with contact sensor
US11421445B2 (en) 2013-03-15 2022-08-23 August Home, Inc. Smart lock device with near field communication
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EP2937497B1 (fr) * 2014-04-22 2018-09-26 Schukra Gerätebau GmbH Actionneur de verrou et un procédé d'actionnement d'un verrou
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