DE102019133139A1 - Motor vehicle sensor arrangement for detecting movement gestures by an operator - Google Patents

Abstract

The invention relates to a motor vehicle sensor arrangement for detecting movement gestures by an operator (1). The arrangement is equipped with at least one sensor (2), also with a control unit (3) for evaluating sensor signals, and with a motor drive (4) for a motor vehicle door (5) connected to the control unit (3). According to the invention, the sensor (2) is arranged in and / or on the motor vehicle door (5) and its actuation causes the relevant and / or another motor vehicle door (5), for example, to open.

Description

The invention relates to a motor vehicle sensor arrangement for detecting movement gestures by an operator, with at least one sensor, furthermore with a control unit for evaluating sensor signals, and with a motor drive connected to the control unit.

Motor vehicle sensor arrangements are known in a wide variety of designs. That's how she works DE 10 2012 104 916 A1 with a sensor arrangement for detecting movement gestures, which in the present case is designed as an elongated flat electrode. In this way, in sections, continuously conductive but differently sensitive electrode surfaces with varying dimensions are formed. As a result, different actuation requirements can be implemented in order to be able to actuate the door or flap of a motor vehicle. For this purpose, the known sensor electrodes according to the exemplary embodiment are arranged in the area of a rear bumper.

A sensor system for activating at least one vehicle function of a vehicle is also the subject matter of DE 10 2016 122 550 A1 . A deformation in at least one deformation area on the vehicle can be detected with the aid of a first and second sensor element. This enables a desired vehicle function to be activated.

In a security system for a motor vehicle door of a motor vehicle according to DE 10 2012 108 004 A1 the procedure is such that a transceiver on the motor vehicle side is brought into data communication for the authentication query. In this context, a defined movement pattern of the operator within a monitoring zone ensures a trigger signal and that an associated lock can be opened.

As part of the generic teaching according to the DE 10 2010 002 559 A1 a sensor arrangement for detecting movement gestures on a motor vehicle is described. In this case, an elongated, segmentally segmented and capacitively sensing sensor electrode arrangement is implemented, which runs in the longitudinal extension of the bumper. As a result, a tailgate in particular can be opened with the aid of a gesture.

The state of the art has basically proven itself, but there is still room for improvement. In fact, the previous documents for the detection of movement gestures by an operator typically deal with enabling a fundamental opening movement of an associated tailgate. For this purpose, the sensor required at this point is arranged in or on a rear bumper. Further approaches to control other components in or on a motor vehicle with movement gestures in addition to the tailgate have been lacking so far.

The invention is based on the technical problem of further developing such a motor vehicle sensor arrangement for detecting movement gestures of an operator in such a way that universal control of motor vehicle doors on a motor vehicle is made available.

To solve this technical problem, a generic motor vehicle sensor arrangement within the scope of the invention is characterized in that the sensor is arranged in and / or on a motor vehicle door and its actuation, for example, opens the relevant motor vehicle door and / or another motor vehicle door. Door effects.

In the context of the invention, a sensor is therefore initially used which is arranged in and / or on a motor vehicle door and is used to control the relevant motor vehicle door. The motor vehicle door can in principle be a motor vehicle pivoting door or also a motor vehicle sliding door or also a motor vehicle flap. In any case, the sensor is used in order to be able to directly control the movement of the motor vehicle door equipped with it. The relevant motor vehicle door may be opened by way of example and not by way of limitation.

The invention is based on the knowledge that such motor vehicle doors are nowadays and increasingly for reasons of comfort equipped with the motor drive. In the case of a motor vehicle pivoting door, this ensures, for example, that the motor vehicle pivoting door in question is opened or closed. In a comparable way, the motor drive can move a motor vehicle sliding door or also open or close a motor vehicle cap.

In addition, within the scope of the invention there is expressly the possibility of correspondingly acting on another motor vehicle door. For example, a rear motor vehicle side door may be opened by evaluating sensor signals on a front motor vehicle side door, so that in this case the rear motor vehicle side door can preferably be designed without a handle. Of course, it is also conceivable that, for example, with the aid of a sensor in or on a motor vehicle door, all other motor vehicle doors are controlled as required by querying the sensor. As a rule, however, the The motor vehicle door in question is equipped with both the sensor and the associated motorized drive to act upon it. As a result, each individual motor vehicle door of an associated motor vehicle can be acted upon independently and in a gesture-controlled manner. This is where the main advantages can be seen.

As a rule, the sensor is arranged in or on a handle of the motor vehicle door. In this case, the sensor can be designed as a component of electronics already provided in or on the handle of the motor vehicle door. The sensors used are capacitive sensors, as have already been described in the prior art, for example according to DE 10 2010 02 559 A1. Of course, non-capacitive sensors can also be used, preferably those that also work without contact and with the aid of which movement gestures of an operator can be recorded. This can include, for example, sensors that react to heat or inductive or optical sensors. Likewise, touch-sensitive sensors, the resistance of which changes depending on the movement of an operator's finger, for example. In principle, other sensor concepts such as, for example, a radar measurement are also conceivable and are also covered by the invention. As alternative positioning for the sensor, positioning on the B or C pillar of the motor vehicle can be considered.

According to a further advantageous embodiment, the movement gestures are generally evaluated by the control unit with regard to direction and / or speed. For example, a movement gesture in the form of a swiping movement along the longitudinal extension of the handle on the motor vehicle door in a motor vehicle sliding door can be interpreted to mean that the motor vehicle sliding door is opened or closed depending on the direction of movement. In addition, the wiping movement mentioned by way of example can be evaluated by the control unit with regard to its speed. As a result, a speed for the control of the motor drive and thus the speed of movement of the motor vehicle door in question can be derived from the relevant movement gesture.

In addition, the invention opens up the possibility of detecting a movement profile of the movement gestures and converting it into a corresponding movement of the motor vehicle door. For example, it is conceivable that a wiping movement in the longitudinal direction of the door handle, viewed over the entire length of the door handle, corresponds to a complete opening or closing process of the associated motor vehicle sliding door. However, if the wiping movement is carried out only up to half of the door handle in the example, this may result in only half the opening of the motor vehicle sliding door in the example. In this way, the end position of the motor vehicle sliding door in the example can then also be determined by the end of the corresponding wiping movement. The motor vehicle door or motor vehicle sliding door can also be locked in this position.

A comparable procedure can be used for motor vehicle swing doors. In this case too, a wiping movement over the entire length of the door handle may be part of the fact that the motor vehicle pivoting door in question is completely opened or closed. On the other hand, only half a swiping movement in relation to the entire length of the door handle is part of the fact that the motor vehicle pivoting door is only opened halfway, for example. The motor vehicle swing door can be locked again in this position.

In addition, in the case of a motor vehicle pivoting door, a movement profile can also be used in such a way that, for example, the hand of an operator approaches the sensor in or on the handle and then moves away from the handle. This may include the fact that the associated motor vehicle swing door is opened and ultimately follows the operator's hand movement. As a result, the end of the operator's hand movement in turn leads to the movement of the motor vehicle pivoting door being terminated, for example, and the motor vehicle pivoting door being able to be locked in this position again. In any case, it becomes clear that the movement profile of the movement gestures can be recorded with the aid of the at least one sensor and converted into a corresponding movement of the motor vehicle door.

Overall, according to the invention, there is the possibility that the associated motor vehicle door is opened / closed in accordance with the movement gestures and / or moved at a certain speed and / or stopped in a predetermined position. This has already been explained above and is reflected in the selected movement profile of the movement gestures. As a result, an operator is able to initiate a non-contact movement of the associated motor vehicle door, not only as in the prior art in the sense of an opening and closing movement, but also to the effect that the motor vehicle door in question is a predetermined movement profile of the movement gestures follows or can follow.

In other words, there is the option of not only using the basic gestures Activate control of the relevant motor vehicle door in the sense of "open / close". Rather, the speed at which the movement gesture is carried out can in principle also be used to predetermine the speed of the motor drive and thus the motor vehicle door acted upon by it. Finally, the movement gesture also opens up the possibility of being able to stop the motor vehicle door in a predetermined and desired position. In this position, the motor drive can also be activated in such a way that the motor vehicle door is stopped in this position and, as it were, fixed or locked by a brake unit. This is where the main advantages can be seen.

• 1 das Kraftfahrzeug mit einer daran angeordneten Kraftfahrzeug-Sensoranordnung schematisch und
• 2 verschiedene Beispiele von Kraftfahrzeug-Türen und ihre Ansteuerung.

The invention is explained in more detail below with the aid of a drawing showing only one exemplary embodiment; show it:

• 1 the motor vehicle with a motor vehicle sensor arrangement arranged thereon schematically and
• 2 various examples of motor vehicle doors and their control.

The figures show a motor vehicle sensor arrangement for detecting movement gestures by an operator 1 shown. For this purpose there is at least one sensor 2 intended. There is also a control unit 3rd for evaluating sensor signals. There is also a to the control unit 3rd connected motor drive 4th realized. With the help of the motor drive 4th can be a motor vehicle door 5 be opened and closed.

Based on 1 you can see that the sensor 2 in or on the motor vehicle door 5 is arranged. The illustrations also show that in the exemplary embodiment the sensor 2 in or on a handle 6th the motor vehicle door 5 finds an arrangement. At the motor vehicle door 5 In the examples shown, it is a motor vehicle pivoting door on the one hand and a motor vehicle sliding door on the other hand, like the schematic representations in FIG 2 make clear.

This is a total of movement gestures by the operator 1 evaluated. In fact, the operator likes 1 the handle or door handle with one hand or one or more fingers 6th the motor vehicle door 5 with the associated sensor 2 act in such a way that the operator 1 in the longitudinal direction of the handle 6th performs a swiping motion. This swiping motion of the operator's hand 1 and the movement gesture associated therewith is determined by the control unit with regard to its direction and / or speed 3rd evaluated.

For example, a wiping movement of the operator's hand may 1 along the handle 6th for the motor vehicle swing door according to 1 from the front to the rear (viewed in the direction of travel) correspond to the fact that the associated motor vehicle swing door is opened, as is the case with the right-hand part of FIG 2 with the associated arrow. With one in the left part of the 2 indicated motor vehicle sliding door, this movement leads to the fact that the associated motor vehicle sliding door experiences an opening in the direction of the arrow also indicated there.

Overall, the movement profile of the operator 1 executed movement gestures detected and in a corresponding movement of the motor vehicle door 5 implemented. For example, the mentioned wiping movement may not only be recorded with regard to its direction (from front to back). Instead, within the scope of the invention, there is also the possibility of the end of the wiping movement, for example halfway along the length of the handle 6th , capture. That may then lead to the motor drive 4th the motor vehicle swing door in the right part of the 2 half opens or for half an opening of the motor vehicle sliding door in the left part of the 2 cares. In this half-open position, the motor vehicle door in question 5 additionally by a brake unit not expressly shown as part of the motor drive 4th to be established.

Finally, there is also the further possibility of recording the speed of the swiping movement and thus the movement gestures. From this speed, conclusions can be drawn for the control of the motorized drive 4th the motor vehicle door 5 derive. For example, the opening or closing movement of the associated motor vehicle door may be based on the speed of the wiping movement 5 can be derived, for example with regard to an associated opening speed or closing speed of the motor vehicle door 5 . The control unit takes all of these evaluations 3rd before which as a result of this the motor drive 4th and if necessary also controls the addressed brake unit.

List of reference symbols

1

operator

2

sensor

3

Control unit

4th

drive

5

Motor vehicle door

6th

Door handle, handle

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

• DE 102012104916 A1 [0002]
• DE 102016122550 A1 [0003]
• DE 102012108004 A1 [0004]
• DE 102010002559 A1 [0005]

Claims (5)

Motor vehicle sensor arrangement for detecting movement gestures of an operator (1), with at least one sensor (2), further with a control unit (3) for evaluating sensor signals, and with a motor drive (4) connected to the control unit (3) for a Motor vehicle door (5), characterized in that the sensor (2) is arranged in and / or on the motor vehicle door (5) and its actuation causes the relevant and / or another motor vehicle door (5), for example, to open . Arrangement according to Claim 1 , characterized in that the sensor (2) is arranged in and / or on a handle (6) of the motor vehicle door (5). Arrangement according to Claim 1 or 2 , characterized in that the movement gestures are evaluated in terms of direction and / or speed by the control unit (3). Arrangement according to one of the Claims 1 to 3rd , characterized in that a movement profile of the movement gestures is recorded and converted into a corresponding movement of the motor vehicle door (5). Arrangement according to one of the Claims 1 to 4th , characterized in that the motor vehicle door (5) is opened / closed in accordance with the gestures of movement and / or moved at a certain speed and / or is stopped in a predetermined position.

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