DE102019204031A1 - Seat access system for at least one vehicle seat - Google Patents

Abstract

The invention relates to a seat access system for at least one vehicle seat (10) in a vehicle, comprising at least one authorization interface (12A, 12B, 12C) and at least one seat mechanism (14, 16, 20A, 20B, 20C, 20D, 24) for at least one vehicle seat (10) is assigned, the authorization interface (12A, 12B, 12C) being in operative connection with the seat mechanism (14, 16, 20A, 20B, 20C, 20D, 24) in such a way that the at least one vehicle seat (10) is connected to the seat mechanism (14, 16, 20A, 20B, 20C, 20D, 24) can be brought from a locked position into a release position. The authorization interface is used to determine the usage authorization of the respective person. If the identification features match the stored identification features, the seat mechanism is used to release the vehicle seat through the seat access system and passively the adjustment into the use position is enabled or the use position of the vehicle seat is actively set.

Description

The invention relates to a seat access arrangement for individual vehicle seats in a vehicle.

According to the prior art, safety devices are known which provide for blocking the normal occupancy of the vehicle seat.

So is from the pamphlet GB 2 153 764 A a method and a device for securing a vehicle are known. It is provided that a possible thief cannot occupy the normal driver's seat of the vehicle. The safety device comprises means for blocking the normal occupancy of the vehicle seat, for example by securing the driver's seat in a folded-forward position or by extending into a space which would normally be occupied by a driver of the vehicle.

In the pamphlets GB 2 259 066 A and GB 2 328 418 A anti-theft devices for vehicle seats are disclosed. The anti-theft devices include means that can be operated by a key or another security device to move a vehicle seat or a pivoting backrest of the vehicle seat into a position in which access to the vehicle seat is blocked for people and the vehicle seat in this position to be safe lock. A similar solution is also from the publication US 2007/0228793 A1 known.

Based on the prior art, the invention is based on the object of providing a seat access system for individual vehicle seats of a vehicle. The seat access system should be realizable with little technical effort.

The invention relates to a seat access system for individual vehicle seats of a vehicle.

It is provided that individual access to the vehicle seats formed with the seat access system is regulated. The seat access system is intended in particular for passenger cars that are used as rental cars or car sharing vehicles. The seat access system can also be used in buses and trains of public transport.

The object is achieved by creating a seat access system for at least one vehicle seat which comprises at least one authorization interface and at least one seat mechanism, the seat mechanism being assigned to at least one vehicle seat and the authorization interface being in operative connection with the seat mechanism in such a way that the at least one vehicle seat is Seat mechanism can be brought from a locked position into a release position.

The authorization interface is used in an advantageous manner to determine the usage authorization of the respective person. By means of an existing or additionally arranged seat mechanism, the vehicle seat can advantageously be switched between a locked position and a release position in order to allow only authorized persons to use it.

By means of the authorization interface, the authorization of the user is advantageously recorded by appropriate identification features, in particular authorization codes or the like.

If the identification features match the stored identification features, the seat access system ensures the release position of the vehicle seat (active or passive) by means of seat mechanics.

Only the release position enables the user to take a seat on the vehicle seat.

The locked position of the vehicle seat is advantageously implemented, for example, by positioning the vehicle seat in the vehicle and / or by setting a backrest angle at which normal use of the vehicle seat is not possible.

The seat access system is used in an advantageous manner, in particular in rental cars and car sharing vehicles, and thereby advantageously enables personal booking and billing of individual seats in a vehicle equipped with several vehicle seats.

The seat access system is used in another application in an advantageous manner for authorized access to reserved seats in trains, buses and so on.

For example, by blocking at least one seat, in particular the driver's seat, in an advanced non-use position and / or folding the backrest against the steering wheel into a backrest-non-use position, access for thieves to manipulate a starting device or to steal components is made more difficult, so that advantageously also for those equipped with the seat access system Vehicles as an additional effect a theft protection is effected.

Further preferred embodiments of the invention result from the other features mentioned in the subclaims.

In a preferred embodiment of the invention, it is provided that the authorization interface is a lock, a code reading device, a code input device or a device for detecting biometric features. The door lock or the ignition lock can also function as an authorization interface, as will be explained in detail below.

In a preferred embodiment of the invention, the authorization interface is provided to determine the usage authorization of the respective person. For this purpose, the authorization interface is advantageously designed to identify specific identification features, such as optical or electronic codes, input values or biometric data of the potential user.

In a preferred embodiment of the invention, the identification features are a key that matches a lock or a radio signal from a radio key, a code entered by the user via a keypad or touchscreen, a barcode or QR code or an RFID chip carried on a driver's license or a user ID and biometric data.

In a preferred embodiment of the invention, the authorization is determined by matching the authorization data recorded by the authorization interface with stored reference data.

If they match, in a preferred embodiment of the invention, the locking device is released mechanically or electronically.

The seat mechanism includes, for example, on the one hand an existing or additionally to be arranged locking device, which is designed as a bolt and / or actuator, and on the other hand an adjustment device, which can be designed as a vehicle seat displacement device and / or backrest angle adjustment device.

Moving the vehicle seat is made possible by moving the vehicle seat on guide rails.

The locking device interacts with the adjusting device of the vehicle seat and enables the vehicle seat to be fixed in the locked position or, if the potential user is authorized, the setting of the release position of the vehicle seat is made possible and carried out.

In the case of vehicle seats with an electromotive vehicle seat displacement device, the actuator is used to effect the locking position or the release position. The actuator itself can also be used as a locking element to lock the vehicle seat in the locked position and the unlocked position.

In the simplest case, the locking device is a mechanical bolt that interacts with a mechanical lock.

Furthermore, electrically controlled bolts or locks and, in particular, electrically driven actuating devices can be activated in such a way that, if authorized, they put the corresponding components of the vehicle seat in a position that enables the respective vehicle seat to be used.

These solutions relate in particular to blocking or releasing the displacement of the seat and adjusting the backrests of a vehicle seat or blocking or releasing the movement of the vehicle seat and the adjustment of the backrest of the vehicle seat in combination.

In a further preferred embodiment of the invention it is provided that at least one evaluation and control device interacts with the at least one authorization interface and the at least one locking device.

The at least one evaluation and control device is advantageously provided for electrical solutions.

The reference data are preferably stored within the at least one evaluation and control device.

The comparison of authorization data with the reference data is carried out by the at least one evaluation and control device and the respective locking device is activated or deactivated as a function of the determined evaluation result.

In a preferred embodiment, several authorization interfaces and locking devices are advantageously coupled to an evaluation and control device.

The evaluation and control device can be used in more complex configurations of the Seat access system include further data interfaces, such as reservation systems or external devices such as laptops, smartphones or the like.

According to a further preferred embodiment of the invention it is provided that the code input device is a keypad or a touchscreen.

A numeric, letter and / or character code can advantageously be entered by the user using the keypad or touchscreen.

According to a further preferred embodiment of the invention, the code reading device is designed to detect and evaluate bar codes, QR codes, coded radio waves and data from RFI D chips.

In this way, the seat access system according to the invention can advantageously record and grant or refuse access authorizations to the respective vehicle seat using conventional codes.

According to a further preferred embodiment of the invention it is provided that the arranged mechanical bolt and / or a correspondingly arranged actuator acts on adjustment devices of the vehicle seat, in particular a displacement device of the vehicle seat, a backrest angle adjustment device or an armrest pivoting device, so that the respective adjustment device is locked in the locked position takes place or is canceled so that a displacement of the vehicle seat or angular adjustment of the vehicle seat, the backrest and / or the armrest of the vehicle seat into the release position can be brought about.

In a further preferred embodiment of the invention it is provided that a corresponding mechanical bolt interacts with a door lock, a trunk lid lock, a steering wheel lock and / or an immobilizer. In this way, access to the seats can also be prevented in an advantageous manner by blocking the respective door, in particular the rear doors in a four-door car.

Furthermore, it is provided in one embodiment that the steering wheel lock and / or the immobilizer are integrated into the seat access system to improve the theft protection.

According to a further preferred embodiment of the invention, each vehicle seat is assigned its own authorization interface for user identification, or all vehicle seats of a vehicle are assigned to a single authorization interface.

The vehicle seat specific assignment of the authorization of seat access by means of an authorization interface can be used advantageously in trains and buses.

Centrally arranged authorization interfaces are particularly advantageous for access to rental and car sharing vehicles. In the case of rental and car sharing vehicles, however, it is also possible to assign the authorization to one of the multiple seats in a vehicle for a specific vehicle seat.

According to a further preferred embodiment of the invention it is provided that the seat access system is coupled to a booking system. In this way, the reserved spaces for rental cars and car sharing vehicles can be released and billed accordingly. The coupling with the booking system is preferably carried out wirelessly via suitable interfaces, in particular Bluetooth or the like.

The invention also relates to a method for authorization access for vehicle seats using the seat access system according to the invention.

The method enables the access by the seat access system to be blocked, the respective vehicle seats being moved completely forwards or backwards in a blocking position and / or a backrest of the vehicle seat being folded completely forwards or backwards.

The seat access system offers an additional option for blocking access to a vehicle seat in that the access doors to the respective vehicle seats are locked.

The method advantageously provides that, if the authorization is present, the access to the respective vehicle seats is released by resetting the locking device to the release position.

The release takes place after the seat access system has compared the authorization data recorded by means of the authorization interface with stored reference data, according to which, if they match, the locking device is actively activated so that the respective vehicle seat is placed in a position that enables use, with any blocking of the corresponding Locks of the doors of the vehicle and / or the immobilizer of the vehicle is canceled.

• 1 eine Sitzplatzzugangsanordnung für einen Fahrzeugsitz in der Freigabeposition,
• 2 eine Sitzplatzzugangsanordnung für einen Fahrzeugsitz in einer Sperrposition mit nach vorn verschobenem Fahrzeugsitz und nach vorn geklappter Rückenlehne,
• 3 eine Sitzplatzzugangsanordnung für einen Fahrzeugsitz in einer Sperrposition mit nach vorn verschobenem Fahrzeugsitz und nach hinten geklappter Rückenlehne und
• 4 ein Blockschaltbild einer Sitzplatzzugangsanordnung.

The invention is explained below in exemplary embodiments with reference to the accompanying drawings. Show it:

• 1 a seat access arrangement for a vehicle seat in the release position,
• 2 a seat access arrangement for a vehicle seat in a locked position with the vehicle seat shifted forward and the backrest folded forward,
• 3 a seat access arrangement for a vehicle seat in a locked position with the vehicle seat shifted forwards and the backrest folded back and
• 4th a block diagram of a seating access arrangement.

The 1 Figure 3 shows a seat access arrangement for a vehicle seat 10 in a passenger car in the release position.

The release position of the vehicle seat 10 makes it possible on the respective vehicle seat 10 To take a seat.

The vehicle seat 10 comprises a seat part 22nd and a backrest 30th by a backrest angle adjuster 24 inclination adjustable with the seat part 22nd connected is.

The vehicle seat 10 is on two parallel guide rails 20A arranged displaceable in the direction of travel in the vehicle (not shown). The guide rails 20A are part of a seat mechanism 14th , 16 , 20A , 20B , 20C , 20D , 24 firmly connected to the vehicle.

For moving the vehicle seat 10 is a vehicle seat shifting device 20A , 20B , 20C , 20D arranged such that the vehicle seat 10 forwards and backwards along the guide rails 20A can be moved.

Sliding devices belong in modern vehicles 20A , 20B , 20C , 20D , 24 already included.

A drive of the vehicle seat displacement device 20A , 20B , 20C is for example an electromotive actuator 20C , which by means of spindle gear 20D with the guide elements 20B of the vehicle seat 10 connected is.

The electromotive actuator 20C the vehicle seat shifting device 20A , 20B , 20C , 20D also functions here as an actuator 16 the seating access arrangement.

The backrest 30th is through a backrest angle adjuster 24 with the seat part 22nd of the vehicle seat 10 connected. By means of the backrest angle adjustment device 24 is the adjustment of the angle of inclination of the backrest 30th possible. The backrest angle adjuster 24 can, in particular mechanically, by means of a setting wheel 24 or in particular be carried out electromechanically. Preferably, the backrest angle adjustment device is 24 electromechanically, for example by an electric motor.

In cooperation with the backrest angle adjustment device 24 is an electromechanical latch 14th trained lock 14th intended.

The barrier 14th When activated, it prevents the angle of the backrest from being adjusted.

In the backrest 30th is an authorization interface 12 arranged, in one embodiment as a code reading device 12 is designed to recognize / read RFID signals. The fact that the with the code reading device 12 If recognized signals (authorization data) correspond to the stored reference signals (reference data), the respective vehicle seat is released 10 for usage. The signals are preferably evaluated and the locking devices are controlled 14th , 16 by an evaluation and control device (not shown).

In 2 is one out 1 known seat access arrangement for a vehicle seat 10 in a locked position with the vehicle seat moved forward 10 and the backrest folded forward 30th shown. The vehicle seat 10 is used by acting as an actuator 16 trained locking device 16 into a position that is unsuitable for using the seat all the way forward to the front area 52 of the vehicle. The backrest 30th becomes the front area 52 of the vehicle, for example, folded forward on a dashboard and in this position by the latch 14th locked so that the seat can only be taken by overcoming the locked position and returning to its position of use.

When the driver's seat 10 is designed with a corresponding seat access arrangement, the seat access arrangement also functions advantageously as theft protection, since access to the operating elements of the vehicle, such as the ignition lock, clutch and brake, is made difficult or impossible.

The resetting of the vehicle seat 10 in the in 1 The release position shown is only through the legitimation of the user via the authorization interface 12A possible.

Accordingly, the locking devices 14th , 16 controlled so that the vehicle seat 10 is brought into a use position suitable for taking the seat.

The 3 shows another way of getting out 1 and 2 known arrangements of the vehicle seats 10 to put by means of the seat access system according to the invention in a locked position. This is the vehicle seat 10 in turn moved forward and the backrest 30th in combination with the seat part 22nd backwards on the seat part 22nd a back seat 54 worked. This locking position is also set, for example, by a corresponding control of a locking bolt 14th inside the actuator 16 realized.

This embodiment variant advantageously means that neither the seat shown is the vehicle seat 10 nor the one behind to the rear seat bench 54 belonging seat can be used.

In 4th a block diagram of a seat access system according to the invention is shown.

The central unit of the seat access system according to the invention comprises at least one evaluation and control device 18th .

In the evaluation and control device 18th are three authorization interfaces in the exemplary embodiment 12A , 12B , 12C integrated.

The first authorization interface 12A is a code reader 12A that is trained to read QR codes.

Another second authorization interface 12B is a code input device 12B , which in the exemplary embodiment is a touchscreen 12B which is designed for entering a numerical and / or character code.

The third authorization interface 12C is after all a radio interface 12C , for example the radio signals from a radio key 58 or an external device, in particular a smartphone.

The from the authorization interfaces 12A , 12B , 12C recorded authorization data are included in the evaluation and control device 18th stored reference data compared.

If the recorded authorization data match the reference data, the locking devices are released 14th , 16 so that the backrest angle adjuster 24 and the vehicle seat slide device 20A , 20B , 20C , 20D for the vehicle seat 10 are released for adjustment or the locking devices 14th , 16 in cooperation with the adjustment devices 20A , 20B , 20C , 20D , 24 the vehicle seat 10 actively adjust or align in the usual position of use so that it is possible for the user, as usual, on the vehicle seat 10 to sit up.

Furthermore, in a possible variant, as in 4th it is made clear the locking devices 14th , which in this variant the door locks 28 and / or an immobilizer 60 are assigned, solved.

In order to release a rental vehicle or car sharing vehicle equipped with the seat access system according to the invention in accordance with the respective booking, a radio link is, for example, required 62 with the booking system 32 of the vehicle owner via the radio interface 12C intended.

The data transmission between the evaluation and control device 18th and the locking devices 14th , 16 takes place, for example, by wired or preferably wireless data transmission 62 .

The seat access system shown shows a large number of optional configurations, the authorization interfaces 12A , 12B , 12C and the locking devices 14th , 16 . The seat access system according to the invention and the method for controlling access to a vehicle seat using a seat access system can both be integrated in new vehicles and be offered as a retrofit set.

List of reference symbols

10

Vehicle seat

12A

Authorization interface, code reading device

12B

Authorization interface, code input device, touchscreen

12C

Authorization interface, radio interface

14th

Seat mechanism, locking device, latch

16

Seat mechanics, locking device, actuator

18th

Evaluation and control device

20A

Seat mechanics, adjustment device, vehicle seat displacement device, guide rail

20B

Seat mechanics, adjustment device, vehicle seat displacement device, guide element

20C

Seat mechanics, adjustment device, vehicle seat displacement device, actuator

20D

Seat mechanics, adjustment device, vehicle seat displacement device, spindle gear

22nd

Seat part, seat surface

24

Seat mechanics, adjustment device, backrest angle adjustment device, adjusting wheel

28

Door lock

30th

backrest

32

Booking system

52

Front area, dashboard

54

Rear seat

58

Radio key, smartphone

60

Immobilizer

62

Data transmission, radio link

QUOTES INCLUDED IN THE DESCRIPTION

This list of the documents listed by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent literature cited

• GB 2153764 A [0003]
• GB 2259066 A [0004]
• GB 2328418 A [0004]
• US 2007/0228793 A1 [0004]

Claims (12)

Seat access system for at least one vehicle seat (10) in a vehicle, comprising at least one authorization interface (12A, 12B, 12C) and at least one seat mechanism (14, 16, 20A, 20B, 20C, 20D, 24) assigned to at least one vehicle seat (10) The authorization interface (12A, 12B, 12C) is in operative connection with the seat mechanism (14, 16, 20A, 20B, 20C, 20D, 24) in such a way that the at least one vehicle seat (10) is connected to the seat mechanism (14, 16 , 20A, 20B, 20C, 20D, 24) can be brought from a blocking position into a release position. Seat access system according to Claim 1 , characterized in that the authorization interface (12A, 12B, 12C) is a lock, a code reading device (12A), a code input device (12B), a radio interface (12C) or a device for detecting biometric features. Seat access system according to Claim 1 , characterized in that the seat mechanism (14, 16, 20A, 20B, 20C, 20D, 24) is at least one locking device (14, 16) or at least one adjusting device (20A, 20B, 20C, 20D, 24). Seat access system according to Claim 3 , characterized in that the at least one locking device (14, 16) is at least one bolt (14) and / or at least one actuator (16), and • the at least one adjusting device (20A, 20B, 20C, 20D, 24) is at least one Vehicle seat displacement device (20A, 20B, 20C, 20D) and / or at least one backrest angle adjustment device (24) and / or at least one armrest pivoting device which interacts with the at least one locking device (14, 16). Seat access system according to the Claims 1 to 3 , characterized in that an evaluation and control device (18) interacts with the authorization interface (12A, 12B, 12C) and the locking device (14, 16) and / or the at least one adjusting device (20A, 20B, 20C, 20D, 24) . Seat access system according to Claim 2 , characterized in that the code reading device (12A) is designed to record and evaluate barcodes, QR codes, coded radio waves and data from RFID chips. Seat access system according to Claim 2 , characterized in that the code input device (12B) is a keypad or a touch screen. Seat access system according to Claim 4 , characterized in that the at least one bolt (14) and / or the at least one actuator (16) on at least one adjustment device (20A, 20B, 20C, 20D, 24) of the at least one vehicle seat (10), in particular the vehicle seat displacement device (20 ) of the vehicle seat (10) and / or the at least one backrest angle adjustment device (24) and / or the at least one armrest pivoting device acts so that locking of the respective adjustment device (20A, 20B, 20C, 20D, 24) located in the locking position can be canceled and / or a displacement of the at least one vehicle seat (10) and / or an angular adjustment of a backrest (30) of the vehicle seat (10) and / or an armrest into the release position can be brought about. Seat access system according to Claim 4 , characterized in that the at least one bolt (14) interacts with a door lock (28), a trunk lock, a steering wheel lock and / or an immobilizer. Seat access system according to mm one of the Claims 1 to 9 , characterized in that the at least one vehicle seat (10) has its own authorization interface (12A, 12B, 12C) or that several vehicle seats (10) of a vehicle are assigned a common authorization interface (12A, 12B, 12C). Seat access system for vehicle seats (10) according to one of the Claims 1 to 8th , characterized in that the seat access system is coupled to a booking system (32). A method for controlling access to a vehicle seat (10) using a seat access system according to at least one of the Claims 1 to 11 , characterized in that • to block access to at least one vehicle seat (10) actuation of at least one adjusting device (20A, 20B, 20C, 20D, 24) and blocking of the at least one vehicle by means of the at least one blocking device (14, 16) (10) takes place in which • the at least one vehicle seat (10) is moved completely forwards or backwards, and / or • a backrest (30) of the vehicle seat (10) is folded completely forwards or backwards, and / or • an armrest of the area of access to the vehicle seat (10) blocking, is arranged essentially horizontally, or • to block access to at least one vehicle seat (10) a lock of a door lock (28) to the at least one vehicle seat (10) takes place, where Access to the at least one vehicle seat (10) is released by resetting a locking device (14, 16) to its starting position, the seat access system using an authorization interface (12A, 12B, 12C) authorization data for releasing the at least one vehicle seat (10 ), which are compared with stored reference data, so that the locking device (14, 16) is activated when the authorization data match, so that the at least one vehicle seat (10) by means of the at least one adjusting device (20A, 20B, 20C, 20D, 24) in a position enabling use is moved, • and / or the locking of the locks (28) is canceled.

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