EP1126103A2 - Serrure pour véhicule et procédé de commande pour une telle serrure - Google Patents

Serrure pour véhicule et procédé de commande pour une telle serrure Download PDF

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Publication number
EP1126103A2
EP1126103A2 EP01102208A EP01102208A EP1126103A2 EP 1126103 A2 EP1126103 A2 EP 1126103A2 EP 01102208 A EP01102208 A EP 01102208A EP 01102208 A EP01102208 A EP 01102208A EP 1126103 A2 EP1126103 A2 EP 1126103A2
Authority
EP
European Patent Office
Prior art keywords
drive
switch
point
motor vehicle
determined
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.)
Granted
Application number
EP01102208A
Other languages
German (de)
English (en)
Other versions
EP1126103A3 (fr
EP1126103B1 (fr
Inventor
Ingo Mauel
Rainer Berger
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
Robert Bosch GmbH
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 DE2000106118 external-priority patent/DE10006118A1/de
Priority claimed from DE10021186A external-priority patent/DE10021186A1/de
Application filed by Robert Bosch GmbH, Brose Schliesssysteme GmbH and Co KG filed Critical Robert Bosch GmbH
Publication of EP1126103A2 publication Critical patent/EP1126103A2/fr
Publication of EP1126103A3 publication Critical patent/EP1126103A3/fr
Application granted granted Critical
Publication of EP1126103B1 publication Critical patent/EP1126103B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • 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

Definitions

  • the present invention relates to a motor vehicle door lock according to the Preamble of claim 1 and a method for controlling a motor vehicle door lock according to the preamble of claim 6.
  • Under motor vehicle door lock there is generally a side door lock, a rear door lock, a tailgate lock, a hood lock or the like of a motor vehicle to understand.
  • a motor vehicle door lock with the features mentioned above is off known in practice. It has an electromotive drive for an associated one Setting or closing element of the motor vehicle door lock.
  • the Motor vehicle door lock also has a sensor for detecting the position, in particular the rotational position of the drive or the associated actuating element, and a control device for positioning the drive or the control element in a set position, the drive at a time or switches off the switch-off point located locally in front of the target position or shorts.
  • the electric motor drive has one at the switch-off point certain kinetic energy that leads to a not inconsiderable wake, thus leads to a further movement until the drive and thus the control element come to a standstill.
  • An exact positioning of the control element in the target position is only possible if the occurring Overrun is taken into account when determining the switch-off point. In the Practice has shown that the wake of various influences like this depends on that the positioning accuracy suffers.
  • the present invention has for its object a motor vehicle door lock with an electromotive positioning drive and a method to control the same, so that simple, inexpensive A way especially in different operating conditions and in particular precise positioning independent of manufacturing tolerances is possible.
  • a basic idea of the present invention is that the actual position of the drive and / or the actuator in the switched off Condition is detected or determined and that in the event of deviations from the Target position the switch-off point for future positioning accordingly is corrected.
  • adaptation is made possible in a simple manner, which leads to a highly precise positioning in the target position.
  • manufacturing tolerances can be achieved through the aforementioned measure are automatically balanced.
  • At least one current operating characteristic value in particular a start-up characteristic of the drive and / or an associated one Control element detected or determined when the drive starts up (switched on) and that the at least one operating characteristic value for determining a switch-off point lying in time and / or in front of a target position is used.
  • starting behavior of the drive can also be deduced from its braking behavior. So is a better or more accurate characterization without the use of an additional sensor the operating behavior of the drive or its electric motor possible.
  • the Drive or its electric motor applied voltage when switching on or startup of the drive is recorded as the first startup parameter - at least if this can vary - and that the initial speed, Acceleration and / or corresponding or derived therefrom Values of the drive and / or the assigned control element as a second start-up parameter is or will be recorded. It has been shown that by means of this Start-up parameters the necessary, temporal or local advance of the Switch-off point with respect to the target position, which is in the switched-off state should be taken, is surprisingly easy to determine or determine.
  • the temperature can be an important parameter for determining the temperature Switch-off point can also be detected directly using an additional sensor.
  • the switch-off point is preferably dependent on at least determined an operating parameter while the drive is switched on.
  • a corresponding table or a corresponding one Map for determining a switch-off point depending of one operating parameter or of several current operating parameters used.
  • previously identified deviations can be saved as a correction table or correction field, so that then after determining the current switch-off point using the correction table or the correction field depending on the at least one current operating parameters, a correction value is determined by which the Correct the switch-off point.
  • a basic idea of the present invention is one Realize feedback in the control. However, is preferred none particularly undesirable in terms of time for positioning the control element in a target position, but only one Readjustment or adaptation of the control parameters for future positioning provided after detection of a deviation.
  • Fig. 1 shows a schematic representation of a proposed motor vehicle door lock 1 with a dashed housing 2.
  • the motor vehicle door lock 1 has an electric motor drive 3.
  • the drive 3 in particular comprises an electric motor, not shown separately and in particular a subsequent gear, such as a worm 4.
  • the Drive 3 acts on a closing or adjusting element 5 of the motor vehicle door lock 1 and serves to position the control element 5 in at least a target position, not shown in Fig. 1.
  • the control element 5, for example designed as a worm wheel and meshes with the worm 4.
  • the closing or adjusting element 5 is in particular part of a conventional one Locking mechanism of the motor vehicle door lock 1 and acts for example also - as in the illustration example - on a pawl 6, the one Securing an assigned lock latch 7 of the motor vehicle door lock 1 or the like. It goes without saying that other types of Locking mechanisms can be used.
  • the closing or Control element 5 also other or further functions and possibly also several Perceive control functions, especially in the latter case in several Target positions can be positioned.
  • the motor vehicle door lock 1 also has a sensor 8, which in the example shown the control element 5 for detecting the current position of the Control element 5 is assigned. However, the sensor 8 can also drive the 3rd assigned or integrated into this if necessary.
  • the sensor 8 is, for example, an incremental encoder for detecting the angular position of the control element 5, the electric motor, the screw 4 or the like. educated. However, the sensor 8 can also be implemented by another device for the detection or, if necessary, also indirect determination of the setting or rotating position, Speed and / or acceleration of the drive 3 and / or of the actuator 5 may be formed. For example, it can also be one Hall sensor or several Hall sensors or around an optical sensor, a mechanical sensor, such as at least one microswitch or the like.
  • a conventional sensor 8 instead of a conventional sensor 8 or in addition to this, one can also Current wave counting or acquisition and evaluation (so-called “ripple Count ”) can be provided, for example, the number of revolutions, to record the speed of rotation or other operating parameters.
  • a Such detection can, for example, in the drive control, not shown or be integrated in the other control.
  • the motor vehicle door lock 1 also has a control or Control device 9, which comprises, for example, a microcontroller or is formed for controlling the drive 3, in particular for Einund Switch off drive 3 on.
  • the control device 9 is via a indicated connection 10 to a motor vehicle electronics, not shown, for example a central locking system, and / or one not shown Actuator switch or the like can be connected.
  • the sensor 8 or another sensor device, not shown, is on the control device 9 connected so that the control device 9 the Position and / or speed of the control element 5 and / or the drive 3 can capture or at least indirectly determine.
  • the positioning in a desired target position will be explained in more detail below with reference to FIG. 2 explained.
  • the control element 5 is designed like a disc and carries a pin-like Functional element 11, which projects in particular in the axial direction and the pawl 6 is pivoted depending on the rotational position of the actuating element 5.
  • the drive 3 or its electric motor is switched off and - depending on the design of the drive 3 or the electric motor and depending on the desired braking - preferably short-circuited.
  • the switch-off point 14 is either locally around the target position 12 a braking distance or a braking angle 15 against the movement or direction of rotation 13 or advanced by a braking time.
  • the cut-off point 14 can therefore by the local or the temporal distance from the target position 12 - depending on the operation of the control device 9 - be determined.
  • control device 9 when starting, that is to say switching on of the drive 3 or in the immediately following (start-up) Phase at least one start-up parameter that indicates the operating state of the drive 3 or its electric motor at least indirectly characterized, or recorded another operating parameter. The preferably every time you turn on or start-up newly determined start-up value is then used to determine or variation of the switch-off point 14 used.
  • the startup parameters are preferably recorded or updated each time the drive is started or switched on 3. However, this is not mandatory. Rather, the detection can also, for example can only be repeated when a specified minimum time has passed is.
  • start-up characteristic value is to be understood here in particular in the sense that that at least one parameter is included which is a characterization the start-up behavior of the drive depending on the current operating state 3 allowed. In particular, several start-up parameters can also be recorded become. The same applies to other operating parameters, the alternative or in addition to determining the switch-off point 14 can be detected can.
  • a movement distance or a can be used as the starting characteristic Movement angle by which the drive 3 or the actuating element 5 in one preferably predeterminable time from start-up or switching on Drive 3 has moved or rotated, are detected.
  • it can be used as a start-up parameter also those for a certain movement distance or a certain one Angle of movement required time can be detected.
  • Such one Start-up characteristic value is allowed together with that applied to drive 3 Voltage a good determination or at least an estimate of the temperature of the drive 3.
  • start-up characteristic can for example also the initial, middle or after a certain Start-up time measurable speed, acceleration and / or to it
  • Corresponding or derived values of the drive 3 and / or of the control element 5 can be detected or determined as a start-up characteristic value.
  • start-up characteristic value corresponds to the voltage applied to drive 3 parameters for determining or estimating the temperature of the Drive 3 and / or the overrun or braking behavior of drive 3.
  • the temperature, provided it is used as an operating parameter or determination of the switch-off point 14 is used, also by means of a not shown sensor can be detected.
  • a current measurement or acquisition of those applied to the drive 3 Tension can be eliminated if it is always constant, but it is is not always the case with a motor vehicle.
  • the current consumption can also be used as a start-up parameter of the drive 3 can be detected in the start-up phase.
  • a start-up characteristic value is recorded as the first operating parameter, and in particular the speed or speed of the drive 3 when the drive 3 or the control element 5 reaches a first position, not shown or when a predetermined time has elapsed after turning on is.
  • This detection can, for example, be provided by means of the Sensor 8 for position detection, the speed or Speed of the drive 3, for example, from the current profile or by means of a further sensor, incremental encoder or the like, not shown. is determinable. In particular, this can usually be done in any case the control device 9 existing clock or time base, not shown or the like.
  • the current temperature is also recorded as a second operating parameter or certainly. This can be done by means of a further sensor or not shown by determining or estimating from at least one start-up parameter the drive 3 or the control element 5. For example a determination or estimation of the current temperature of the drive 3 from two start-up parameters - for example how long the drive 3 or the actuating element 5 needs to move by a predetermined angle of rotation move, or by what angle of rotation the drive 3 or the actuator 5 moves within a predetermined time, and that applied to the drive 3 Voltage - by means of a function and / or a table that is in the control unit 9 is stored or stored.
  • the two above-mentioned operating parameters are then used for the expected caster or braking angle 15 closed. Accordingly is an initially temporary switch-off point 14 by the control device 9 set. This can be done, for example, in that a as Basic setting specified switch-off point 14 and / or one as basic setting predetermined braking angle 15 depending on the specific or detected operating parameters is corrected or changed.
  • the two operating parameters mentioned can also be used directly a determination or determination of the temporary braking angle 15 and / or switch-off point 14, in particular again with the help a function and / or a table stored in the control device 9 or a map stored in the control device 9.
  • the final braking angle 15 or switch-off point 14 to get the drive 3 during the current positioning process is actually turned off.
  • a a correspondingly adjusted correction table or a correspondingly adapted one Correction field is used, which is stored in the control device 9 or is stored and as a function of the at least one operating parameter, in particular of the two aforementioned operating parameters, provides a correction value that takes into account the corresponding Sign added to the temporary braking angle 15 or switch-off point 14 or is subtracted by the final braking angle 15 or switch-off point 14 to get.
  • intermediate values can also be used here be interpolated if necessary.
  • functional Connections, matrices or the like are used.
  • correction values can also be obtained in another way from the control device 9 are provided.
  • the specification of the correction values is explained later.
  • the drive 3 After determining the final braking angle 15 or switch-off point 14 the drive 3 is switched off when the switch-off point 14 is reached. Because of of the wake then the control element 5 continues to move until the drive 3 and the control element 5 come to a standstill and the control element 5 an actual position that does not possibly correspond to the target position 12 (not shown).
  • the actual position of the actuating element 5 or the functional element 11 by means of the sensor 8 or another Sensor device is detected.
  • the control device determines 9 the deviation of the actual position from the target position 12, so the difference is formed.
  • This deviation or difference is stored or stored as a correction value in the control device 9.
  • the above-mentioned correction table can or the aforementioned correction field are formed. In particular are accordingly different correction values for deviations from zero saved in the correction table or correction field. This Correction values are then dependent on later positioning from the operating parameters to the application.
  • the correction can also be done by other processing, Representation or storage of the correction values or by another Control sequence take place.
  • a threshold value be specified so that only the threshold value exceeds Deviations of the actual position from the target position 12 lead to a change in the corresponding correction values.
  • control element 5 performs a rotary movement.
  • proposed solution can also be used find if the control element 5 another, for example linear or superimposed movement.
  • the proposed solution is not a motor vehicle door lock 1 limited. Rather, the proposed solution can be applied to everyone electromotive positioning drive are transmitted. Special application However, the proposed solution is found in actuating and drive devices in motor vehicles, since there is a simple structure, inexpensive and reliable working systems are desired.
  • a motor vehicle door lock and a method for controlling the same proposed, with an electric motor drive to achieve a target position as a function of at least one operating parameter, in particular from a start-up characteristic value recorded when the drive starts up, at a switch-off point in time and / or location before the target position is switched off and in particular short-circuited.
  • an electric motor drive to achieve a target position as a function of at least one operating parameter, in particular from a start-up characteristic value recorded when the drive starts up, at a switch-off point in time and / or location before the target position is switched off and in particular short-circuited.

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  • Power-Operated Mechanisms For Wings (AREA)
  • Lock And Its Accessories (AREA)
EP20010102208 2000-02-11 2001-01-31 Serrure pour véhicule et procédé de commande pour une telle serrure Expired - Lifetime EP1126103B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10006118 2000-02-11
DE2000106118 DE10006118A1 (de) 2000-02-11 2000-02-11 Kraftfahrzeug-Türschloß und Verfahren zum Steuern desselben
DE10021186A DE10021186A1 (de) 2000-02-28 2000-05-03 Kraftfahrzeug-Türschloß und Verfahren zum Steuern desselben
DE10021186 2000-05-03

Publications (3)

Publication Number Publication Date
EP1126103A2 true EP1126103A2 (fr) 2001-08-22
EP1126103A3 EP1126103A3 (fr) 2003-08-06
EP1126103B1 EP1126103B1 (fr) 2006-11-29

Family

ID=26004300

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010102208 Expired - Lifetime EP1126103B1 (fr) 2000-02-11 2001-01-31 Serrure pour véhicule et procédé de commande pour une telle serrure

Country Status (3)

Country Link
EP (1) EP1126103B1 (fr)
DE (1) DE50111513D1 (fr)
ES (1) ES2274827T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004029392A1 (fr) * 2002-09-21 2004-04-08 Kiekert Aktiengesellschaft Actionneur pour unites mobiles de vehicules automobiles
DE202004010211U1 (de) * 2004-06-30 2005-08-18 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Steuerungsvorrichtung zur Steuerung einer Verstelleinrichtung eines Kraftfahrzeuges
WO2006016826A2 (fr) * 2004-08-12 2006-02-16 Ingersoll-Rand Architectural Hardware Limited Serrure amelioree
CN104334813A (zh) * 2012-05-26 2015-02-04 开开特股份公司 机动车门锁
CN115817291A (zh) * 2022-12-12 2023-03-21 科世达(上海)机电有限公司 一种落锁方法、电子设备及可读存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0147549A2 (fr) * 1983-12-24 1985-07-10 VDO Adolf Schindling AG Dispositif de verrouillage central électrique pour véhicules automobiles et procédé pour le blocage central électrique
EP0785323A1 (fr) * 1996-01-16 1997-07-23 Nissan European Technology Centre Limited Système de verrouillage central pour porte de véhicule automobile
DE19819611A1 (de) * 1998-05-04 1999-11-11 Brose Fahrzeugteile Verfahren zur Ansteuerung von elektromotorisch betätigten Schlössern, insbesondere in Kraftfahrzeugtüren

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0147549A2 (fr) * 1983-12-24 1985-07-10 VDO Adolf Schindling AG Dispositif de verrouillage central électrique pour véhicules automobiles et procédé pour le blocage central électrique
EP0785323A1 (fr) * 1996-01-16 1997-07-23 Nissan European Technology Centre Limited Système de verrouillage central pour porte de véhicule automobile
DE19819611A1 (de) * 1998-05-04 1999-11-11 Brose Fahrzeugteile Verfahren zur Ansteuerung von elektromotorisch betätigten Schlössern, insbesondere in Kraftfahrzeugtüren

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004029392A1 (fr) * 2002-09-21 2004-04-08 Kiekert Aktiengesellschaft Actionneur pour unites mobiles de vehicules automobiles
DE202004010211U1 (de) * 2004-06-30 2005-08-18 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Steuerungsvorrichtung zur Steuerung einer Verstelleinrichtung eines Kraftfahrzeuges
WO2006016826A2 (fr) * 2004-08-12 2006-02-16 Ingersoll-Rand Architectural Hardware Limited Serrure amelioree
WO2006016826A3 (fr) * 2004-08-12 2006-08-31 Ingersoll Rand Architectural Hardware Ltd Serrure amelioree
CN104334813A (zh) * 2012-05-26 2015-02-04 开开特股份公司 机动车门锁
CN104334813B (zh) * 2012-05-26 2016-11-16 开开特股份公司 机动车门锁
CN115817291A (zh) * 2022-12-12 2023-03-21 科世达(上海)机电有限公司 一种落锁方法、电子设备及可读存储介质

Also Published As

Publication number Publication date
ES2274827T3 (es) 2007-06-01
DE50111513D1 (de) 2007-01-11
EP1126103A3 (fr) 2003-08-06
EP1126103B1 (fr) 2006-11-29

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