EP3908726A1 - VERFAHREN ZUM BETRIEB EINES KRAFTFAHRZEUG-SCHLIEßSYSTEMS - Google Patents
VERFAHREN ZUM BETRIEB EINES KRAFTFAHRZEUG-SCHLIEßSYSTEMSInfo
- Publication number
- EP3908726A1 EP3908726A1 EP20703374.7A EP20703374A EP3908726A1 EP 3908726 A1 EP3908726 A1 EP 3908726A1 EP 20703374 A EP20703374 A EP 20703374A EP 3908726 A1 EP3908726 A1 EP 3908726A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- closed position
- sensor
- drive
- main
- 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
Links
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
- E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
- E05B81/21—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening with means preventing or detecting pinching of objects or body parts
-
- 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
- E05B81/54—Electrical circuits
- E05B81/56—Control of actuators
- E05B81/58—Control of actuators including time control, e.g. for controlling run-time of electric motors
-
- 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
-
- 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
- E05B81/70—Monitoring or sensing, e.g. by using switches or sensors the wing position
-
- 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
Definitions
- the invention relates to a method for operating a motor vehicle locking system, in particular for the closing action on a motor vehicle cover, preferably a motor vehicle door, according to which a drive for a motor vehicle lock acts on the cover as a function of a sensed locked position and main closed position of the motor vehicle lock becomes.
- the motor vehicle cover described above is generally a motor vehicle door. This in turn can be designed as a motor vehicle side door, motor vehicle tailgate, motor vehicle front hood, etc.
- the term motor vehicle cover also covers, for example, motor-lockable flaps of a loading space, tank flaps, locking flaps for an electrical connection, etc.
- false closings should be reliably recorded.
- Such a false closure corresponds to the fact that the motor vehicle cover in question is closed, although, for example, a pawl as part of a locking mechanism of the associated motor vehicle lock is lifted. In the event of such a false closure and the associated motor vehicle cover being shaken, it can snap open.
- an effective anti-trap protection corresponds to the fact that the drive acting on the motor vehicle cover is reversed, so that the motor vehicle cover and in particular the motor vehicle door are opened and the finger or a piece of clothing is immediately released.
- a method for operating a motor vehicle locking system of the type described at the beginning is described, for example, in DE 10 201 1 1 19 579 A1 by the applicant. This involves, among other things, a method for the electromotive actuation of a motor vehicle door. At least one sensor is provided, which controls an electric motor as part of a drive device for a door leaf. In addition, a second sensor is hierarchically higher than the first sensor Sensor realized. Control of the electric motor can be interrupted with the help of this higher-level sensor.
- DE 100 65 100 A1 A comparable teaching is described in DE 100 65 100 A1.
- This is a motor vehicle door lock, which is provided with an influencing magnet as a sensing element for a stationary sensor. In this way, both a main closed position and a pre-closed position can be detected.
- the prior art has proven itself in principle, but reaches its limits when, in particular, overloads of the drive are to be reliably detected and controlled. For this reason, the present invention is based on the technical problem of further developing such a method in such a way that, in particular, overloads of the drive and / or trapping scenarios are mastered and do not lead to destruction of the drive and / or injury to a person.
- a generic method for operating a motor vehicle locking system within the scope of the invention is characterized in that the sensor-sensed reaching of a second locking position beyond the main locking position - regardless of the main locking position previously assumed - causes the drive to reverse.
- a normal closing process corresponds to the sensor-interrogated taking of the second closed position after the main closed position.
- an aborted normal closing process as a result of overload or overload corresponds to the sensor-interrogated taking of the second closed position when the main closed position is not taken.
- an overload of the drive for the motor vehicle cover is reliably detected and, in terms of the method, implemented in reversing the drive. This is because as soon as the sensor reaches the second closed position beyond the main closed position, this process either corresponds to the normal closing process or to an aborted normal closing process. In both cases, reaching the second closed position beyond the main closed position causes the drive to be reversed or the drive to be reversed. This happens regardless of the main closing position previously assumed.
- this function sequence corresponds to a normal closing process.
- the second closed position and its ingestion is sensed, even though the main closed position has not yet been reached or if the main closed position has not been reached, the previously described aborted normal closing process corresponds to this. This is because taking the second closed position, which is generally assumed by the motor vehicle cover beyond the main closed position, corresponds to an overload applied to the drive when the main closed position is not taken or is not sensed.
- Such an overload can occur and be observed, for example, by the fact that the motor vehicle cover is deformed, for example, and in the region of this deformation the reaching of the second closed position beyond the main closed position is sensed and queried.
- a sensor signal belonging to the second closed position beyond the main closed position is observed, although the main closed position has not (yet) been reached at all due to a trapping situation and / or due to overloading of the motor vehicle cover.
- the main locking position is usually detected via a sensor-locked main locking position of a motor vehicle lock provided on the motor vehicle cover.
- the described scenario with the sensor-interrogated taking of the second closed position beyond the main closed position due to the described deformation of the motor vehicle cover while the main closed position or main detent position of the associated motor vehicle lock is not taken, without countermeasures means that the drive is energized unchanged and is eventually damaged or could be damaged.
- this sequence of functions is, however, interpreted as an aborted normal closing process and leads - like that Normal closing process - overall, that the drive is reversed. Destruction of the drive and / or injury to a person can therefore be reliably excluded. All of this works and is also observed in the event that the main closed position has not previously been assumed or has not been sensed. This increases the functional reliability considerably.
- a further first closed position between the pre-closed position and the main closed position can be queried by sensors.
- So-called anti-trap protection can be implemented and implemented regularly via the first closed position. That is, as soon as the motor vehicle cover reaches the first closed position between the pre-closed position and the main closed position and this first closed position is sensed by sensors, this regularly corresponds to a position of the motor vehicle cover with respect to the body in such a way that only a gap remains in which can neither pinch an operator's fingers nor items of clothing.
- the drive continues to be supplied with current in order to assume the main closed position. If, on the other hand, the first closed position between the pre-closed position and the main closed position is not reached, this is interpreted as the presence of a pinching. As a result, the drive is reversed immediately to release the motor vehicle cover and prevent jamming.
- the sensor-interrogated taking of the pre-closing position generally starts the drive.
- the drive is usually a closing drive.
- the drive or closing drive is acted upon by an electric motor, which in turn is addressed by a control unit.
- the control unit evaluates signals from the at least one sensor.
- the motor vehicle cover is advantageously equipped with a motor vehicle lock. If the motor vehicle cover is a motor vehicle door, then the motor vehicle lock consequently trained as a motor vehicle door lock. Either way, the motor vehicle lock or motor vehicle door lock has a locking mechanism consisting essentially of a rotary latch and pawl.
- at least one sensor is provided, with the aid of which the respective position of the locking mechanism is queried. As a rule, the sensor is assigned to the rotary latch or an additional element which follows movements of the rotary latch. The additional element may be a switch cam.
- a switch can be actuated as a further sensor, with the aid of which the assumption of the main closed position or main detent position of the rotary latch and consequently the locking mechanism inside the motor vehicle lock is sensed and transmitted to the control unit already described.
- the switch cam may in turn now be equipped with a probe element.
- the sensor like the pushbutton element, can be arranged in an electronic component carrier as part of the motor vehicle lock.
- the sensor or sensing element in or on the motor vehicle cover and preferably the motor vehicle door.
- An arrangement in or on a lock holder is also conceivable.
- the one or more sensors are advantageously Hall sensors.
- the probe element in the form of a permanent magnet for example, generates a varying magnetic flux in the associated stationary Hall sensor or sensor.
- the senor can also be a resistance sensor.
- the probe element ensures that a changing electrical resistance is generated in the sensor.
- the probe element can also generate a different and varying optical light intensity in the sensor if the sensor is designed as an optical sensor which reacts to changes in the reflection of the probe element, for example.
- a sensor can also be provided on the motor vehicle cover. It is also possible to put the sensor in question between the To place the motor vehicle cover and the associated body of the motor vehicle, to which the motor vehicle cover is rotatably or articulatedly connected.
- the one or more sensors are advantageously a Hall sensor.
- the Hall sensor in turn is composed of the movable probe element and the fixed sensor.
- the sensing element in turn works contactlessly on the sensor and for this purpose may have a permanent magnet or also an electromagnet which, depending on its movement, generates a varying magnetic flux in the sensor or Hall sensor in question.
- the pushbutton element can also generate a changing electrical resistance and / or a different optical light intensity in the sensor, as has already been described above.
- the probe element is particularly preferably designed as a magnet (permanent magnet or electromagnet) and magnetized such that during its movement within the sensor area of the sensor, the north pole first reaches the sensor area and towards the end of the movement the south pole reaches the sensor area, or vice versa.
- the North Pole and South Pole are interchangeable. It can thereby be achieved that initially a weak magnetic field becomes stronger via the rotary movement, so that position detection is possible in this way.
- the magnet (permanent magnet or electromagnet) is accordingly designed in its geometric configuration such that a first region, in particular a beginning, forms the north pole and a second region of the magnet, in particular an end of the magnet, forms the south pole.
- the south pole can generate a strong magnetic field, the north pole producing a weaker magnetic field in comparison.
- the position of the magnet and thus of the probe element can then be derived from the strength of the magnetic field.
- a method for operating a motor vehicle locking system and a correspondingly designed motor vehicle locking system uses at least one sensor. With the help of at least a sensor, the pre-closed position, the main closed position, the first closed position between the pre-closed position and the main closed position and finally the second closed position beyond the main closed position (mostly in the overstroke range are sensed.
- the sensor signals in question are evaluated by the control unit and result in a corresponding action on the Electric motor as part of the drive.
- At least one sensor is provided on the rotary latch or the rotary latch has a sensing element attached to it or moved with it, the movements of which are detected by a sensor that is stationary in contrast.
- the movements of the feeler element and consequently of the rotary latch then correspond to a varying magnetic flux or a changing electrical resistance and / or a different optical light intensity in the sensor, as has already been described in detail.
- the control unit can derive the scenarios previously described from these temporally different sensor signals as a function of the position of the rotary latch and accordingly act on the electric motor as part of the drive. This is the main advantage.
- Fig. 2 shows the subject of Fig. 1 in a modified
- Fig. 6 is a schematic flow diagram according to which the operating method according to the invention preferably works.
- the figures show a motor vehicle locking system and specifically a motor vehicle cover in the form of a motor vehicle door T with an associated drive for closing the motor vehicle cover or motor vehicle door T in question.
- the drive in question has an electric motor, with the aid of which, in accordance with the exemplary embodiment, a rotary latch 1 each shown in FIGS. 1 to 3 is drawn as part of a locking mechanism 1, 2 from said rotary latch 1 and a pawl 2 in the exemplary embodiment.
- the locking mechanism 1, 2 belongs to a motor vehicle lock on the motor vehicle door T.
- the drive not explicitly shown works on the rotary latch 1 in question to close the associated motor vehicle lock and consequently the cover equipped with the motor vehicle lock in the form of the motor vehicle door T in the example in such a way that the rotary latch 1 in question in each case counterclockwise in the direction of the arrow about its axis. That is, the counterclockwise movement of the rotary latch 1, which is shown in FIGS. 1 to 3 and caused by the drive, corresponds to the fact that the associated motor vehicle cover is subjected to a closing action. In this process, the motor vehicle cover in question or the motor vehicle lock shown in FIGS. 1 to 3 and therefore its locking mechanism 1, 2 change from a pre-closed position to a flat closed position of the motor vehicle cover.
- the locking position corresponds to the fact that the pawl 2 engages in a pre-engagement 1 a of the rotary latch 1.
- the downward closed position means that the pawl 2 interacts with a downward catch 1b of the rotary latch 1, as shown in FIGS. 1 to 3.
- the locking mechanism 1, 2 or its catch 1 and consequently the motor vehicle lock as a whole is equipped with a sensor 3, 4.
- the sensor 3, 4 is a flame sensor which is composed in detail of a movable probe element 3 on the one hand and a fixed sensor 4 on the other.
- the movable probe element 3 can directly be attached to the catch 1, as shown in FIG. 1.
- the pushbutton element 3 it is also possible for the pushbutton element 3 to be attached to an additional element 5 which is moved with the rotary latch 1 and which, in the context of the exemplary embodiments according to FIGS. 2 and 3, is a switching cam.
- the sensor 4 can of course also be moved together with the rotary latch 1 and, in contrast, the sensing element 3 can be designed to be stationary.
- the pushbutton element 3 is, without limitation, an arc-shaped permanent magnet.
- the movement of the sensing element 3 ensures that a varying magnetic flux is generated in the stationary sensor 4.
- This varying magnetic flux depends on the angle of rotation f of the rotary latch 1 with respect to the fixed sensor 4. At least in certain areas of the rotation angle f of the rotary latch 1, there is a linear dependency of the flux density sensed by the fixed sensor 4 and consequently the voltage U present on the output side of the sensor 4 in the sense of
- U oc f observed. I.e. depending on the angle of rotation position or angle of rotation f of the rotary latch 1, a voltage U is set on the output side of the fixed sensor 4, which voltage can be evaluated by a control unit 7 with the aid of connecting lines 6 and is proportional to the angle of rotation f.
- these four positions i.e. pre-closing position, main closing position, first closing position between the pre-closing position and the main closing position and finally the second closing position beyond the main closing position or overstroke position, can be distinguished from one another and by the linear dependence of the voltage U on the output side of the fixed sensor 4 as a function of the angle of rotation f assign the catch 1 accordingly.
- a further sensor 8 can also be provided.
- This further sensor 8 can be assigned to the motor vehicle door T indicated in FIGS. 4 and 5 and belonging to the motor vehicle lock, and for this purpose can be arranged in the motor vehicle door T in question or on a motor vehicle body also shown here in the entry area.
- a further sensor 9 in or on a lock holder 10 shown there (in FIG. 5).
- FIG. 6 shows a flow chart which explains a closing process of the motor vehicle door T and thus the method according to the invention in more detail by way of example.
- the motor vehicle door T in question can first be closed manually in point 1 .2.
- a query at time 1 .3 corresponds to whether a pre-locking signal is observed.
- the pre-latching signal is determined with the aid of the sensor 3, 4. This includes a corresponding voltage U sensed on the output side of the sensor 3, 4 by the control unit 7 and a corresponding angle of rotation f of the rotary latch 1.
- This program item 1 .9 is also completed in the event that the first closed position in item 1 .5 has not yet been reached and consequently the locking mechanism 1, 2 with the aid of the Drive must be pulled further.
- This closing 1 .9 continues until a main rest signal or the main closing position is detected in program item 2.0.
- the main closing position or the associated main rest signal is also detected with the aid of the sensor 3, 4, which queries the position of the rotary latch 1.
- the locking mechanism 1, 2 As soon as the locking mechanism 1, 2 has assumed its main closed position or main catch position, the pawl 2 engages in the main catch 1 b, as is shown, for example, in FIG. 1.
- the main stop signal or the query of the main closing position in program item 2.0 corresponds to this.
- the same query takes place after the query of the second closed position in program item 1.8 as soon as the second closed position has been reached. If it comes to the sequence that the second closed position in program item 1.8 and then the main closed position or the main rest signal corresponding to 2.0 are recorded by the control unit 7 in this sequence, then the locking mechanism 1, 2 is closed and the program jumps to program item 2.2 respectively 2.1.
- program point 2.2 the drive is reversed because the locking mechanism 1, 2 has assumed its main closed position, so that the closing process corresponding to 2.3 can then be ended.
- the dash-dotted path it is also possible that after taking the main closed position according to 2.0, the locking mechanism 1, 2 in program item 2.1 is further pulled in and then the reaching of the second closed position in program item 1.8 is queried again. If the query is positive, the drive is reversed again in accordance with 2.2, the locking mechanism 1, 2 is closed and the closing process is ended after 2.3.
Landscapes
- Lock And Its Accessories (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019100592.2A DE102019100592A1 (de) | 2019-01-11 | 2019-01-11 | Verfahren zum Betrieb eines Kraftfahrzeug-Schließsystems |
| PCT/DE2020/100014 WO2020143882A1 (de) | 2019-01-11 | 2020-01-10 | VERFAHREN ZUM BETRIEB EINES KRAFTFAHRZEUG-SCHLIEßSYSTEMS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3908726A1 true EP3908726A1 (de) | 2021-11-17 |
| EP3908726B1 EP3908726B1 (de) | 2023-10-18 |
Family
ID=69467279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20703374.7A Active EP3908726B1 (de) | 2019-01-11 | 2020-01-10 | Verfahren zum betrieb eines kraftfahrzeug-schliesssystems |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11905744B2 (de) |
| EP (1) | EP3908726B1 (de) |
| DE (1) | DE102019100592A1 (de) |
| WO (1) | WO2020143882A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220243503A1 (en) * | 2021-02-04 | 2022-08-04 | Magna Closures Inc. | Anti-pinch protection system utilizing latch control |
| DE102022114967A1 (de) * | 2022-06-14 | 2023-12-14 | Brose Schließsysteme GmbH & Co. Kommanditgesellschaft | Kraftfahrzeugschloss |
| DE102023124248A1 (de) * | 2023-09-08 | 2025-03-13 | Kiekert Aktiengesellschaft | Verfahren zum Betreiben eines mittels eines Öffnungssignals elektrisch betätigbaren Kraftfahrzeugschlosses |
| DE102024114413A1 (de) * | 2024-05-23 | 2025-11-27 | Kiekert Aktiengesellschaft | Zuzieheinrichtung für ein Kraftfahrzeug-Schloss |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19702206C2 (de) * | 1996-08-24 | 2000-08-03 | Kiekert Ag | Kraftfahrzeugtürverschluß mit Schloßsystem und Schließsystem, welcher eine Einrichtung zur Abfrage der Funktionsstellungen des Schließzylinders aufweist, die mit Hallsensoren arbeitet |
| DE10065100B4 (de) | 2000-12-28 | 2005-05-25 | Brose Schließsysteme GmbH & Co.KG | Kraftfahrzeugschloß mit sensorischer Abfrage der Hauptschließstellung |
| US6659515B2 (en) * | 2001-10-30 | 2003-12-09 | Kiekert Ag | Power-closing motor-vehicle door latch |
| US7026897B2 (en) * | 2003-01-03 | 2006-04-11 | Honeywell International Inc. | Multiple output magnetic sensor |
| JP4267933B2 (ja) * | 2003-02-18 | 2009-05-27 | アイシン精機株式会社 | 車両用ドアロック装置 |
| JP6050575B2 (ja) * | 2011-09-27 | 2016-12-21 | シロキ工業株式会社 | ロック装置 |
| DE102011119579A1 (de) | 2011-11-26 | 2013-05-29 | Kiekert Aktiengesellschaft | Vorrichtung zur elektromotorischen Betätigung einer Tür |
| CN107178262B (zh) * | 2016-03-11 | 2021-07-30 | 开开特股份公司 | 闩锁单元 |
| US10329823B2 (en) * | 2016-08-24 | 2019-06-25 | Ford Global Technologies, Llc | Anti-pinch control system for powered vehicle doors |
| US10186096B2 (en) * | 2017-03-27 | 2019-01-22 | Greg Haber | Vibration resistant digital vehicle cargo system |
-
2019
- 2019-01-11 DE DE102019100592.2A patent/DE102019100592A1/de not_active Withdrawn
-
2020
- 2020-01-10 US US17/420,223 patent/US11905744B2/en active Active
- 2020-01-10 EP EP20703374.7A patent/EP3908726B1/de active Active
- 2020-01-10 WO PCT/DE2020/100014 patent/WO2020143882A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP3908726B1 (de) | 2023-10-18 |
| WO2020143882A1 (de) | 2020-07-16 |
| US20220090417A1 (en) | 2022-03-24 |
| DE102019100592A1 (de) | 2020-07-16 |
| US11905744B2 (en) | 2024-02-20 |
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