EP3744934A1 - Composant fonctionnel d'un agencement de serrure de véhicule automobile - Google Patents

Composant fonctionnel d'un agencement de serrure de véhicule automobile Download PDF

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Publication number
EP3744934A1
EP3744934A1 EP20176230.9A EP20176230A EP3744934A1 EP 3744934 A1 EP3744934 A1 EP 3744934A1 EP 20176230 A EP20176230 A EP 20176230A EP 3744934 A1 EP3744934 A1 EP 3744934A1
Authority
EP
European Patent Office
Prior art keywords
motor
functional component
return movement
movement
drive
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Withdrawn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
EP20176230.9A
Other languages
German (de)
English (en)
Inventor
Markus Kothe
Sebastian Knoche
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
Application filed by Brose Schliesssysteme GmbH and Co KG filed Critical Brose Schliesssysteme GmbH and Co KG
Publication of EP3744934A1 publication Critical patent/EP3744934A1/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Withdrawn legal-status Critical Current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
    • E05B81/54—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
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/50—Powered actuators with automatic return to the neutral position by non-powered means, e.g. by springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B79/00—Mounting or connecting vehicle locks or parts thereof
    • E05B79/10—Connections between movable lock parts
    • E05B79/20—Connections between movable lock parts using flexible connections, e.g. Bowden cables
    • 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
    • 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
    • E05B81/12—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
    • E05B81/26—Output elements
    • E05B81/30—Rotary elements
    • 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
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/66—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status
    • E05B81/68—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status by sensing the position of the detent
    • 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
    • E05B81/72—Monitoring or sensing, e.g. by using switches or sensors the lock status, i.e. locked or unlocked condition
    • E05B81/74—Monitoring or sensing, e.g. by using switches or sensors the lock status, i.e. locked or unlocked condition by sensing the state of the actuator
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • E05B85/24—Bolts rotating about an axis
    • E05B85/26—Cooperation between bolts and detents
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • E05B85/24—Bolts rotating about an axis
    • E05B85/243—Bolts rotating about an axis with a bifurcated bolt
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/43—Motors
    • E05Y2201/434—Electromotors; Details thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/47—Springs; Spring tensioners
    • E05Y2201/484—Torsion springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/60—Suspension or transmission members; Accessories therefore
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/644—Flexible elongated pulling elements; Members cooperating with flexible elongated pulling elements
    • E05Y2201/654—Cables
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2400/00—Electronic control; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/44—Sensors therefore
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2400/00—Electronic control; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/50—Fault detection
    • E05Y2400/51—Fault detection of position, of back drive
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2400/00—Electronic control; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/50—Fault detection
    • E05Y2400/512—Fault detection of electric power
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
    • E05Y2900/531—Doors

Definitions

  • the invention relates to a functional component of a motor vehicle lock arrangement according to the preamble of claim 1 and a method for operating such a functional component according to the preamble of claim 16.
  • the motor vehicle lock arrangement in question has at least the functional component “motor vehicle lock” and possibly further functional components such as an external, motorized closing unit or an external, motorized opening unit for the motor vehicle lock.
  • the motor vehicle lock can be assigned to any locking element of the motor vehicle. These include tailgates, trunk lids, front hoods, side doors or the like. All of these closure elements can be designed in the manner of pivoting doors or in the manner of sliding doors.
  • the well-known functional component designed as a motor vehicle lock (EP 1 536 090 A2 ), from which the invention is based, is equipped with the usual locking elements “lock latch” and "pawl".
  • the motor vehicle lock has a drive arrangement with an electric drive motor for lifting the pawl.
  • the drive arrangement acts on the pawl via a drive cable in which the drive cable is wound onto the motor shaft of the drive motor. After the pawl has been lifted out by the drive cable, the pawl spring drives the entire drive train back, which is accompanied by the drive cable being unwound from the motor shaft.
  • One challenge with the known motor vehicle lock is to detect an incomplete return movement. In such a case, the pawl does not reach its original retracted position, for example due to mechanical stiffness, so that the correct engagement between the lock latch and the pawl does not exist. In order to detect such a lock state, a corresponding pawl sensor is provided in the known motor vehicle lock.
  • the sensorless monitoring of drive arrangements of a motor vehicle lock for actuating element movements that are generated by a motorized drive arrangement is basically known ( DE 100 21 186 A1 ).
  • the so-called “current wave counting” or the so-called “ripple count method” is used here. However, this can only be used if a corresponding drive current closes, which is regularly not the case, especially with the restoring movement that is in the foreground here.
  • the invention is based on the problem of designing and developing the known functional component of a motor vehicle lock arrangement in such a way that the approach to the retracted position of the actuating element in the return movement can be monitored with little effort.
  • the adjusting element can be deflected out of a predetermined retraction position in a deflection movement, the deflected adjusting element being able to be reset into the retraction position in a return movement. It is also assumed that the deflection movement can be generated by means of the drive arrangement and the drive motor then works in motor mode, while the return movement, which here and preferably exclusively, is spring-driven and the drive motor works in generator mode.
  • the proposed solution is based on the fundamental consideration that the actual adjustment of the adjusting element in the return movement can be derived from the motor voltage of the drive motor. This is due to the fact that the drive motor works in generator mode during the return movement. In the case of a direct current motor, this means that the drive motor has shafts in the motor voltage, usually half-waves, which provide information about the range of rotation of the motor shaft. Alternatively, the adjustment speed of the motor shaft and thus of the control element can be deduced from the level of the motor voltage. The position of the adjusting element can then be deduced from the integration over time. In any case, the motor voltage of the drive motor is used to determine the position of the actuating element actually approached in the return movement.
  • the functional component has a monitoring unit which, from the motor voltage of the drive motor, determines the position of the actuating element actually moved to in the return movement according to a monitoring specification.
  • the functional component according to the proposal is a motor vehicle lock
  • a false closure of the motor vehicle lock which is due to an incomplete return movement of the pawl, can be recognized and reduced by suitable connection measures.
  • the proposed solution can be implemented without the need for an additional sensor.
  • Preferred variants for the reaction of the monitoring unit to the detection of an incomplete return movement is the subject matter of claim 2.
  • a corresponding warning message is output to the vehicle operator as part of an alarm routine.
  • Claim 3 clarifies that the determination of the position of the adjusting element actually approached in the return movement is preferably carried out with reference to a reference position, which is further preferably the position of the adjusting element actually approached in the deflection movement.
  • the deflection movement is assigned an end stop or a limit switch so that the reference position of the adjusting element is approached in a correspondingly reproducible manner.
  • the further preferred refinements according to claims 7 and 8 relate to the situation in which the monitoring regulation, in particular the relationship represented by the monitoring regulation between the motor voltage and the position of the actuating element actually approached in the return movement, depends on certain ambient conditions such as the ambient temperature.
  • an adaptive system according to claims 8, 9 or 10 is proposed. Then, in a particularly advantageous embodiment, the monitoring rule, in particular the above relationship represented by the monitoring rule, is learned so that an exact determination of the position of the adjusting element is ensured in the return movement. It is assumed that the deflection movement and / or the return movement is or are mechanically fixed.
  • the further preferred configurations according to claims 14 and 15 relate to equipping the drive arrangement with a flexible traction means.
  • the return movement of the actuating element is always associated with an unwinding of the flexible traction mechanism and thus with a backdriving of the drive motor, so that the proposed monitoring function can be implemented without further structural measures.
  • a monitoring unit of the motor voltage of the drive motor is used to determine the position of the actuating element actually moved to in the return movement according to a monitoring specification.
  • the functional component 1 shown is designed as a motor vehicle lock of a motor vehicle lock arrangement 2.
  • the functional component 1, here the motor vehicle lock can be assigned to any locking element of a motor vehicle. In this respect, reference may be made to the introductory part of the description.
  • the functional component 1, here the motor vehicle lock, has a drive arrangement 3 with an electric drive motor 4 and an actuating element 5 which is or can be coupled to the drive arrangement 3.
  • the adjusting element 5 is designed here and preferably as a pawl, as will be explained below.
  • the adjusting element 5 is in a deflection movement 6 from a predetermined incidence position ( Fig. 1 ) can be deflected out, the deflected adjusting element 5 ( Fig. 2 ) can be reset in a return movement 7 into the collapsed position.
  • the functional component 1 here the motor vehicle lock, has a monitoring unit 8 that determines the position of the actuating element 5 actually moved to in the return movement 7 from the motor voltage U M of the drive motor 4 according to a monitoring rule 9.
  • the adjusting element 5 can be adjusted in the return movement into the predetermined retraction position which is shown in FIG Fig. 1 is shown in solid line.
  • the return movement can also be incomplete in such a way that it is not the predetermined incidence position, but rather a misalignment preceding the predetermined incidence position is approached. This can be due to soiling, icing or the like, for example, which leads to the fact that the spring force still to be explained and acting on the actuating element 5 is not great enough to overcome such an obstruction.
  • a predetermined deviation of the position actually approached in the return movement 7 of the actuating element 5 from the retracted position can mean, using the example of the functional component 1 configured as a motor vehicle lock, that there is a pseudo-closure, i.e. incomplete closure. This is in dashed line in Fig. 1 shown. As indicated above, this apparent closure is due to the fact that the return movement 7 is an incomplete return movement.
  • the monitoring unit 8 carries out an alarm routine which carries out a corresponding measure.
  • the alarm routine issues a warning message to the vehicle operator.
  • the alarm routine blocks further operation of the drive arrangement 3 in order to avoid further risks.
  • the monitoring unit 8 determines the position of the actuating element 5 actually approached in the return movement 7 according to the monitoring regulation 9 based on a reference position of the actuating element 5.
  • the reference position is the position of the actuating element actually approached in the deflection movement 5 that are in Fig. 2 is shown. In the embodiment shown in the drawing, which is preferred in this respect, this is also appropriate, since the reference position is defined by the end stop 10 in the above sense.
  • a particularly robust determination of the position of the actuating element 5 actually approached in the return movement 7 results from the fact that, according to the monitoring specification 9, the position of the actuating element 5 is determined from the course of the motor voltage U M. This is in Fig. 2 shown. It is assumed that the supply connections 11, 12 of the drive motor 4 are free of a supply voltage during the return movement 7. Particularly in the design of the drive motor, a sequence of half-waves 13 then results in the motor voltage U M , the term "half-wave" being interpreted broadly in the present case.
  • the monitoring unit 8 determines the position of the actuating element 5 actually approached in the reset movement 7 according to the monitoring rule 9 from the level of the motor voltage U M.
  • the term "motor voltage level” can mean the maximum in Fig. 2 half-waves 13 shown, an average value over the in Fig. 2 represent half-waves 13 or the like shown. Regardless of the specific definition, the level of the motor voltage U M is proportional to the Adjustment speed of the drive motor 4 and thus the adjustment speed of the adjusting element 5.
  • the monitoring unit 8 determines the adjusting speed of the adjusting element 5 actually prevailing in the reset movement 7 according to the monitoring rule 9 from the level of the motor voltage U M and from the determined actually prevailing adjustment speed of the adjusting element 5, the position actually approached by the adjusting element 5, based on the above reference position, is determined.
  • the position of the control element 5 is preferably obtained by integrating the adjustment speed and / or the motor voltage U M over time. This variant is particularly easy to implement insofar as the above-mentioned counting mechanism for the half-waves in the motor voltage U M is not required. However, this determination is dependent on ambient conditions, in particular on the ambient temperature, which requires additional compensation measures. This is explained below.
  • the proposed solution can be implemented particularly well if the drive motor 4 is designed as a direct current motor that is preferably separately excited here.
  • Other types of electrical machines are applicable here. These include, in particular, brushless DC motors.
  • Fig. 1 shows that the monitoring unit 8 is part of a control unit 14 which, in addition to the monitoring unit 8, has a driver unit 15 for supplying the drive motor 4 with electrical drive power.
  • the control unit 14 ensures that the drive motor 4 is free from a supply voltage, in particular from the driver unit 15, during the return movement 7.
  • the supply connections 11, 12 of the drive motor 4 are preferably not electrically coupled to one another during the reset movement 7, in particular not short-circuited, in order to avoid a braking effect in the manner of short-circuit braking.
  • the above monitoring regulation 9 represents the relationship between the motor voltage U M and the position of the actuating element 5 actually approached in the reset movement 7.
  • the above, second alternative is the relationship between the motor voltage U M and that in the reset movement 7 actually ruling Adjustment speed of the drive motor 4 and thus of the adjustment element 5.
  • this relationship is dependent on ambient conditions, here and preferably on an ambient temperature.
  • the monitoring unit 8 determines the ambient temperature and adapts the monitoring specification 9 to the ambient temperature.
  • the adaptation is indicated in the drawing with the reference number 16.
  • the ambient temperature can be determined by the monitoring unit 8 via the Can bus of the motor vehicle, since it can be assumed that a corresponding temperature sensor is accessible via the Can bus in modern motor vehicles.
  • the adaptation of the monitoring rule 9 can be carried out, for example, based on a physical engine model of the drive motor 4.
  • the monitoring unit 8 is designed to be capable of learning to a certain extent for this purpose.
  • the monitoring unit 8 determines the ambient temperature in a reference run of the actuating element 5 from the motor current I M.
  • the known temperature dependency of the ohmic resistance of the motor winding of the drive motor 4 can be used here.
  • the relationship between the motor voltage U M and the actual position of the actuating element 5 that is approached in the return movement 7, here and preferably the adjustment speed of the actuating element 5 actually prevailing in the return movement 7, in a reference run from the motor current I M can be determined.
  • the reference travel is preferably the deflection movement of the actuating element 5, i.e. the movement of the actuating element 5 generated by the drive arrangement 3 as a motor.
  • the reference travel can also be the return movement of the actuating element 5.
  • a parameterization of the motor model can be determined from such a reference run and the determination of the resulting motor current I M , in particular in the first-mentioned case, which is then used to determine the position of the actuating element actually approached in the return movement 5 can be used as a basis.
  • the monitoring unit 8 determines the motor voltage U M of the drive motor 4 in a reference run and generates or adapts the monitoring rule as a function of the determined motor voltage U M. It is preferably the case that the monitoring unit 8 determines the relationship between the motor voltage U M and the position actually approached in the return movement 7, in particular the adjustment speed of the actuating element 5 actually prevailing in the return movement 7, from the motor voltage U M , in particular from the voltage curve , determined.
  • a characteristic voltage curve can be stored in the monitoring unit 8, a conversion factor for determining the actual position of the actuating element 5 being determined from the deviation of the voltage curve determined in the reference run from the characteristic voltage curve.
  • the conversion factor can, however, also simply result from the number of above half-waves in the motor voltage U M.
  • a system for determining the conversion factor can be determined, for example, in test series. As mentioned above, it is preferably assumed that the deflection movement and / or the return movement is or are fixed mechanically, for example by appropriate blocking stops.
  • the functional component 1 is preferably a motor vehicle lock of the motor vehicle lock arrangement, as shown in the drawing.
  • the functional component 1 then preferably has the locking elements lock latch 17 and pawl 18, which interact with one another in a conventional manner.
  • the motor vehicle lock has a lock housing 19, the monitoring unit 8, more preferably, being arranged in the lock housing 19.
  • the entire control unit 14 is arranged in the lock housing 19.
  • the monitoring unit 8 and possibly the entire control unit 14 is or are arranged outside the lock housing and otherwise spatially separated from the motor vehicle lock.
  • the actuating element 5 is the pawl 18 of the motor vehicle lock, the deflection movement 6 being a lifting of the pawl 18 as part of a motorized opening function.
  • the pawl 18 is here and preferably assigned a pawl spring 20 which provides the spring-driven return movement 7 indicated above.
  • the actuating element 5 is the lock latch 17 of the motor vehicle lock, the deflection movement 6 being a closing movement of the lock latch 17 within the framework of a motorized closing function.
  • the adjusting element 5 is a function lever for setting a lock state.
  • a function lever for setting a lock state include, for example, a central locking lever, an anti-theft lever or a child safety lever.
  • Other fields of application for the proposed solution are conceivable.
  • the drive arrangement 3 is designed to be drivable, the drive arrangement 3 being coupled to the actuating element 5 in such a way that the spring-driven return movement of the actuating element 5 is accompanied by a backdriving of the drive motor 4.
  • the drive arrangement 3 has a flexible traction means 21 which directly or indirectly connects the drive motor 4 to the actuating element 5 and which can be wound up by the drive motor 4 to generate the deflection movement 6.
  • the flexible traction means 21 can be, for example, a rope, a band, a chain or the like.
  • the flexible traction means 21 can be designed from a plastic material, from a metal material or the like.
  • the flexible traction means 21 can be wound onto a drive shaft 22, here and preferably on the motor shaft of the drive motor 4, by means of the drive motor 4. It can be seen in the drawing that the spring-driven return movement from the Fig. 2 situation shown out to an unwinding of the flexible traction means 21 from the drive shaft 22 leads, whereby a corresponding motor voltage U M is generated at the supply connections 11, 12 of the drive motor 4.
  • the functional component 1 has a drive arrangement 3 with an electric drive motor 4 and an actuating element 5 which is coupled or can be coupled to the drive arrangement 3.
  • the adjusting element 5 is deflected in a deflection movement 6 out of a predetermined collapsed position, the deflected adjusting element 5 being reset into the collapsed position in a restoring movement 7. Furthermore, the deflection movement 6 is generated by means of the drive arrangement 3, while the return movement is spring-driven.
  • a monitoring unit 8 determines the position of the actuating element 5 actually approached in the return movement 7 from the motor voltage U M of the drive motor 4 according to a monitoring rule 9.
  • a monitoring rule 9 it is essential that a monitoring unit 8 determines the position of the actuating element 5 actually approached in the return movement 7 from the motor voltage U M of the drive motor 4 according to a monitoring rule 9.
EP20176230.9A 2019-05-29 2020-05-25 Composant fonctionnel d'un agencement de serrure de véhicule automobile Withdrawn EP3744934A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019114540.6A DE102019114540A1 (de) 2019-05-29 2019-05-29 Funktionskomponente einer Kraftfahrzeugschlossanordnung

Publications (1)

Publication Number Publication Date
EP3744934A1 true EP3744934A1 (fr) 2020-12-02

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ID=70847248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20176230.9A Withdrawn EP3744934A1 (fr) 2019-05-29 2020-05-25 Composant fonctionnel d'un agencement de serrure de véhicule automobile

Country Status (4)

Country Link
US (1) US20200392767A1 (fr)
EP (1) EP3744934A1 (fr)
CN (1) CN112012592A (fr)
DE (1) DE102019114540A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111993595B (zh) * 2020-08-14 2021-09-17 南宁腾宁商品混凝土有限公司 一种混凝土搅拌车下料槽的报警锁紧装置
GB2604645A (en) * 2021-03-12 2022-09-14 Jaguar Land Rover Ltd Vehicle side door latch apparatus comprising a pulley-connected electrical release actuator
CN113183820A (zh) * 2021-05-08 2021-07-30 无锡易百客科技有限公司 一种应用于电动车的电池锁解锁装置

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