EP4267822A1 - Vorrichtung zur not-entriegelung eines türschlosses an einem kraftfahrzeug - Google Patents
Vorrichtung zur not-entriegelung eines türschlosses an einem kraftfahrzeugInfo
- Publication number
- EP4267822A1 EP4267822A1 EP21823499.5A EP21823499A EP4267822A1 EP 4267822 A1 EP4267822 A1 EP 4267822A1 EP 21823499 A EP21823499 A EP 21823499A EP 4267822 A1 EP4267822 A1 EP 4267822A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuator
- door lock
- actuating means
- blocking
- coupled
- 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
- E05B81/54—Electrical circuits
- E05B81/80—Electrical circuits characterised by the power supply; Emergency power operation
- E05B81/82—Electrical circuits characterised by the power supply; Emergency power operation using batteries other than the vehicle main battery
-
- 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
- E05B81/80—Electrical circuits characterised by the power supply; Emergency power operation
- E05B81/88—Electrical circuits characterised by the power supply; Emergency power operation using inductive energy transmission
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/90—Manual override in case of power failure
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0094—Mechanical aspects of remotely controlled locks
- E05B2047/0095—Mechanical aspects of locks controlled by telephone signals, e.g. by mobile phones
Definitions
- the invention relates to a device for emergency unlocking of a door lock on a motor vehicle, the device having an actuating means which can be mechanically connected to the door lock when the device is installed in a vehicle, in order to, in the event of spatial displacement (e.g. rotation or Translation) of the actuating means to unlock the door lock.
- an electric actuator is provided, which is coupled to a blocking means in order to move this blocking means from a blocked position into a release position. In its blocking position, the blocking means is positioned in such a way that it blocks the displacement of the actuating means and in its release position enables displacement of the actuating means.
- Mechanical vehicle door locks are usually designed in such a way that various mechanical processes can be triggered at the vehicle door lock. If the vehicle door lock blocks a door from being opened, this blocking can in principle take place in different stages. If the vehicle door is locked, the door lock is locked, ie it cannot be opened even if a door handle is actuated. In order to bring a door lock into the position ready for opening, it must first be unlocked, i.e. made ready for opening. This process is achieved, for example, in a mechanical door lock with a locking cylinder by turning a key in the lock, as a result of which an actuating means downstream of the cylinder is moved and unlocks the door lock. Such an actuating means is a so-called paddle (eccentric) in the mechanical door lock, which differs from the Lock cylinder extends to the door lock. In unlocked
- the door is not yet open, but is ready to be opened - it can therefore be opened by mechanical opening actuation.
- the object of the invention is to provide a device which enables emergency unlocking in the case of de-energized vehicles.
- the emergency unlocking device has a wireless data interface.
- This wireless data interface is used both for receiving/transmitting authentication data from an external mobile device and for wirelessly transmitting energy.
- the wireless transmission of energy, especially over small distances, is known in various coupling standards, especially in NFC connections. With such connections, mobile devices for the operation of passive devices are brought at a very short distance of a few millimeters or centimeters to a receiving coil, via which energy is transmitted through the build-up of electromagnetic fields and data can also be transmitted or exchanged.
- the device for emergency unlocking also has a control unit, which contains a microprocessor unit, for example.
- the wireless data interface with both the controller and the Actuator coupled .
- a mobile device that is brought close to the data interface ensures that a voltage is built up in the device, which supplies the control device. This power supply is sufficient to enable a data transfer of legitimation data from the mobile device to the control device.
- the control device checks the legitimation data, for example a data key stored in the mobile device, and veri fi ed that the mobile device is authorized for access and to the vehicle. If this is the case, the actuator, which is also supplied with energy via the data interface, is controlled by the control device.
- the actuator then moved the blocking means from a blocking position, in which it is usually located, to a release position, it is possible by means of a mechanical access f f device to unlock the door lock.
- the mechanical access device of the device is available operatively associated with the actuator to displace the unlocked actuator to unlock the door latch. If the blocking means is in the blocking position, mechanical action by the mechanical access device on the actuating means is not possible, since the blocking means blocks any movement of the actuating means. However, once this blocking effect has been lifted, actuation via the mechanical access device is possible.
- the device according to the invention provides for a manual, mechanical actuation to unlock the door lock, which, however, requires a legitimation check based on data on a mobile device and the mobile device at the same time provides the energy supply to run the chain of action from the mechanical access device to to activate the actuating means by the blocking of the actuating means is released.
- the actuator only needs to be designed with a very low actuating force and power consumption, since it only has to release a lock.
- a lock can be, for example, a magnetically removable lock or some other lock with a small travel range, which can be reliably operated with a low power consumption.
- the data interface is designed as an NFC interface.
- Such an interface is particularly widespread in mobile devices and therefore the device according to the invention can be used by a particularly large number of different mobile devices.
- such an interface already has default specifications for energy transmission and possibly also for charging via an air interface.
- Paddle (eccentric) is formed.
- the mechanical component of a paddle is known from door locks with locking cylinders.
- the paddle is designed to be rotatable and takes the unlocking mechanism with it in the door lock when it is rotated when the lock cylinder is rotated. Accordingly, the paddle can be used in a corresponding manner in the device according to the invention without requiring extensive design changes to the door lock.
- the device is placed in the installation space of a door handle and the door lock itself has an orientation and spacing relative thereto that corresponds to the conventional installation situations.
- the paddle as an actuating means is coupled to the mechanical access device, so that an operator can move the paddle, in particular rotate it, via a mechanical operative chain.
- the paddle is in its normal state, ie the normal operating state of the vehicle locked by the locking means against rotation. The operator can only transmit the force to the paddle and thus unlock the lock if the blocking is lifted in emergency operation, for example a locking pin is pulled out of a recess on the paddle.
- the mechanical access device has a rotary lever which is coupled to rotate the actuating means.
- the transmission of rotary movements for example to a paddle for unlocking the lock, can be represented mechanically in a reliable manner by gear ratios or linkages.
- the rotary actuation requires little space, in contrast to a translational movement, so that only mechanical access device used in an emergency for emergency unlocking can be arranged compactly and unobtrusively on the vehicle.
- the blocking effect takes place through a blocking body which, in the normal state, locks the blocking means in a rotationally fixed position.
- a blocking body which, in the normal state, locks the blocking means in a rotationally fixed position.
- This can be achieved in particular by guiding a blocking body through a recess in a bearing and a recess in the blocking means itself, so that the two components are prevented from rotating in relation to one another. If the position of the blocking body is changed by the actuator, which can be done, for example, by magnetic forces, the rotational movement is, however, possible. This is particularly advantageous since only a very small adjustment travel is required to cancel the blocking effect, which accommodates the low energy supply.
- a torque limiter is provided in the active chain.
- Such a mechanical torque limiter prevents destructive forces from being transmitted from the mechanical access device to the actuating means or the blocking means.
- torque limitations can be implemented in many different ways, for example by torque-limiting clutches, which switch to freewheeling when a torque above a predetermined value is applied.
- an energy store is arranged in the device, which is coupled to the actuator.
- Such an energy store can be used by the control device during or after the verification of the legitimation data, to form a temporary buffer for providing higher power to the actuator.
- FIG. 1 schematically shows a vehicle on which the device according to the invention is arranged according to a first embodiment
- FIG. 2 schematically shows the functional connections between the components of the device according to the invention.
- FIG. 3 shows a first embodiment of the device according to the invention
- FIGS. 4a and 4b show the actuation of the mechanical access device based on the first embodiment
- FIG. 5 shows, in a side view, the actuation of the mechanical access device and the coupling of the first embodiment to a door lock
- FIGS. 6a and 6b show the mechanical chain of action between mechanical access device and actuating means
- FIGS. 7a and 7b show the components from FIGS. 6a and 6b in an operating position
- FIGS. 8a and 8b show the actuating means, the electric actuator and the blocking means on the one hand with the blocking means in the blocking position and on the other hand with the blocking means in the release position.
- FIG. 1 shows a vehicle 1 in a schematic view.
- a device according to the invention can be arranged as an emergency actuation device 2 on the driver's door or as an emergency rear actuation device 3 on the tailgate.
- the respective devices are a door lock 4 or assigned a rear lock 5 .
- the lock 4 or the rear lock 5 is controlled by electronic components that are connected to a central controller (not shown).
- a central controller not shown.
- this usual actuation of the locks 4 or 5 can no longer be carried out take place, so that the use of the devices according to the invention is then required.
- FIG. 2 shows schematically the working relationship of the components of the device according to the invention.
- an electrical actuator 10 is provided, which can produce a mechanical operative connection 11 between a mechanical access device 12 and an actuating means 13 .
- a wireless data interface 14 is coupled both to the actuator 10 and to a control device 15 .
- the controller and wireless interface 14 are coupled to both power the controller 15 and receive identification data from an external mobile device 16 .
- the external mobile device for example a smartphone, is coupled to the wireless interface 14 via an NFC connection and feeds both the control device 15 and the actuator 10 with energy by coupling in electromagnetic fields.
- the control device 15 also checks the data transmitted by a data connection from the mobile device 16 and controls the actuator 10 if the legitimacy check of the identification data has been positive.
- the actuator then establishes an operative connection between the mechanical access device 12 and the actuating means 13 by deactivating the blocking means 11, which prevent a transmission of force from the mechanical access device 12 to the blocking means 13, so that the blocking means 13 are activated by the mechanical Access device f f 12 can be actuated. If the blocking means 13 are then shifted, this causes the door lock 4 to be actuated, which is located externally to the device according to the invention, but is mechanically coupled to the actuating means 13 .
- the actuating means 13 can be designed in particular in the form of a paddle (eccentric), as will be described further below. It is clear in FIG. 2 that the mechanical force for unlocking the lock is provided by a user who accesses the mechanical access device 12 .
- the actuator 10 When powered by the wireless connection 17 , the actuator 10 merely causes a mechanical action chain between the mechanical access device 12 and the blocking means 13 to be released. Accordingly, the energy requirement and power requirement of the actuator 10 is very low, so that a power supply via the wireless connection from the mobile device 16 is sufficient.
- FIG. 3 shows a construction of the first exemplary embodiment of the device according to the invention.
- a first device component 20 is formed with a support 21 to which a cover flap 22 is hingedly attached.
- a mechanical access device 12 is arranged under this cover flap 22 , which when installed in a vehicle is aligned with a panel of the vehicle (see the following figures).
- This mechanical access device 12 is coupled via a lever 12a and a linkage 25 to a lever 26 of a second component 30 of the device.
- a shaft transmits a rotational movement to the paddle 13, which in this exemplary embodiment forms the locking means.
- the paddle 13 engages in a vehicle door lock.
- FIG. 4a shows the components 20 and 30 of the device according to the invention with the flap 22 unlocked, so that access to the rotary lever 12 is revealed.
- FIG. 4 b it is shown how a user 40 accesses the rotary lever 12 in order to transmit a rotary force via the linkage 25 to the actuating means 13 .
- a wireless interface 14 is formed at a distance from the device components 20 , 30 .
- the wireless interface 14 is connected to a control circuit 15 integrated and connected to the device component 30 via a supply and data line 50 .
- Wireless interface 14 and control circuitry 15 can be placed anywhere on the vehicle.
- the wireless interface can be located in the door at a conveniently accessible location where it can also be used for other communication tasks.
- An actuator (see below), which is located in the device component 30 , is controlled and supplied via the supply and signal connection 50 .
- FIGS. 3, 4a and 4b show how an emergency access takes place to transmit force to the actuating means 13 in order to thereby unlock a door lock coupled to the actuating means 13.
- FIG. 3 shows how an emergency access takes place to transmit force to the actuating means 13 in order to thereby unlock a door lock coupled to the actuating means 13.
- FIG. 5 shows a side view of the arrangement from FIGS. 4a and 4b to clarify the mechanical active chain, a door lock 60 being shown with broken lines since it is not part of the arrangement according to the invention.
- the paddle 13 dips into a recess in the door lock 60 as a blocking means and a rotational movement of the paddle 13 is transmitted to the door lock 60 for unlocking by rotating the hand of the user 40 .
- the mechanical operative chain which couples the mechanical access device designed as a rotary handle 12 to the blocking means 13, is shown in FIGS. 6a and 6b.
- FIG. 6a shows a front view corresponding to the view from FIG. 4a
- FIG. 6b shows a rear view corresponding to FIG. 6a.
- FIGS. 7a and 7b show the same arrangement, but with a rotated, ie actuated, rotary handle of the mechanical access device 12. It can be seen that the lever arm 26 was pivoted rotatably. Whether such pivoting of the lever arm 26 actually leads to a rotation of the actuating means 13 in the form of the paddle depends on whether the rotational movement is transmitted from the lever arm 26 to the paddle by the device component 30 .
- the device component 30 is shown in detail in FIGS. 8a and 8b, with a cover 30a of the housing allowing a view of the inner components.
- FIG. 8a it is shown that the blocking means 31 extends through a bearing section which transmits the rotational movement to the paddle 13.
- a recess 30b in the housing is placed in such a way that the locking means 31 dips into the recess 30b in its locking state.
- the blocking means 31 correspondingly blocks a rotation of the transmission component 32. Even if the lever 26 is rotated, a torque limiter 33 ensures that this rotary actuation does not result in the locking means 13 rotating.
- the torque limiter 33 can be realized in particular by spring tensioning of the components that can rotate relative to one another, for example by connecting rings that can rotate relative to one another with spring-loaded balls and associated recesses, which are pressed out of the recesses when a predetermined torque is exceeded and cause freewheeling, so that non-destructive the lever 26 can spin without rotating the paddle 13 .
- an actuator 34 is accommodated in the device component 30, which can move the blocking means 31. When the power consumption is very low, the blocking means 31 is moved over a few millimeters when the actuator 34 is controlled by the control device 15 and with the energy supply from an NFC-coupled mobile device 16 .
- the control device first checks whether the legitimation data provided via the wireless interface unlocks the door lock to allow. If so, under wireless
- the actuator 34 is energized and controlled in order to bring the blocking means 31 from the position in Figure 8a to the position in Figure 8b.
- a short-term energy store such as a capacitor
- the locking means 31 is disengaged from the opening 31a in the housing top and thus rotatable in the housing. If the lever 26 is now rotated by power transmission from the rotary lever of the mechanical access device 12, the paddle 13 also rotates and can transmit its power to the door lock 60 for unlocking.
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020134711.1A DE102020134711A1 (de) | 2020-12-22 | 2020-12-22 | Vorrichtung zur Not-Entriegelung eines Türschlosses an einem Kraftfahrzeug |
| PCT/EP2021/083300 WO2022135834A1 (de) | 2020-12-22 | 2021-11-29 | Vorrichtung zur not-entriegelung eines türschlosses an einem kraftfahrzeug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4267822A1 true EP4267822A1 (de) | 2023-11-01 |
| EP4267822B1 EP4267822B1 (de) | 2025-01-08 |
Family
ID=78829545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21823499.5A Active EP4267822B1 (de) | 2020-12-22 | 2021-11-29 | Vorrichtung zur not-entriegelung eines türschlosses an einem kraftfahrzeug |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4267822B1 (de) |
| DE (1) | DE102020134711A1 (de) |
| WO (1) | WO2022135834A1 (de) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9518408B1 (en) * | 2015-05-21 | 2016-12-13 | Ford Global Technologies, Llc | Alternate backup entry for vehicles |
| FR3071001B1 (fr) * | 2017-09-14 | 2021-01-01 | Continental Automotive France | Dispositif de tele-alimentation repeteur de communication sans contact pour une poignee de porte de vehicule automobile |
| DE102018106410A1 (de) * | 2018-03-19 | 2019-09-19 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg | Steueranordnung für eine Kraftfahrzeugtür |
| DE102018114061A1 (de) * | 2018-06-13 | 2019-12-19 | Kiekert Ag | Kraftfahrzeugtürverschluss |
-
2020
- 2020-12-22 DE DE102020134711.1A patent/DE102020134711A1/de active Pending
-
2021
- 2021-11-29 EP EP21823499.5A patent/EP4267822B1/de active Active
- 2021-11-29 WO PCT/EP2021/083300 patent/WO2022135834A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022135834A1 (de) | 2022-06-30 |
| EP4267822B1 (de) | 2025-01-08 |
| DE102020134711A1 (de) | 2022-06-23 |
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