Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
  • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
  • B60Q1/0017—Devices integrating an element dedicated to another function
  • B60Q1/0023—Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
  • B60Q5/00—Arrangement or adaptation of acoustic signal devices
  • B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
  • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
  • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
  • B60Q1/22—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments for reverse drive
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
  • B60Q5/00—Arrangement or adaptation of acoustic signal devices
  • B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
  • B60Q5/008—Arrangement or adaptation of acoustic signal devices automatically actuated for signaling silent vehicles, e.g. for warning that a hybrid or electric vehicle is approaching
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
  • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
  • B60Q2400/40—Welcome lights, i.e. specific or existing exterior lamps to assist leaving or approaching the vehicle
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
  • B60Q2900/00—Features of lamps not covered by other groups in B60Q
  • B60Q2900/30—Lamps commanded by wireless transmissions
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
  • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
  • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
  • B60Q3/225—Small compartments, e.g. glove compartments

Definitions

• Motor vehicle comprising at least one lighting device and at least one acoustic device, method for operating a motor vehicle DESCRIPTION:
• the present invention relates to a motor vehicle comprising at least one lighting device, by means of which at least one light signal visible from outside the motor vehicle can be generated, and at least one acoustic device, by means of which at least one acoustic signal audible from outside the motor vehicle can be generated.
• the invention relates to a method for operating a motor vehicle.
• Lighting devices in motor vehicles are known from the prior art. Lighting devices such as headlights are typically used to illuminate the area around the motor vehicle to improve the driver's view. It is also possible for the lighting devices to output information to other road users, for example by means of a turn signal, a headlight flasher or a reversing light. In addition, acoustic devices in motor vehicles, such as a horn, are known from the prior art and are primarily used to alert other road users to any dangerous situations.
• the object is achieved according to the invention in that at least one control device of the motor vehicle is set up to check the fulfillment of at least one output condition and, if the at least one output condition is met, the at least one lighting device and the at least to control an acoustic device in such a way that the light signal and the acoustic signal are generated simultaneously, the at least one output condition
• At least one maneuver condition relating to a current or forthcoming reversing or acceleration maneuver of the motor vehicle the fulfillment of which depends on at least one control signal that can be generated by means of a driver assistance system of the motor vehicle and/or by means of at least one operating device of the motor vehicle by a user, and/or
• At least one driving state condition relating to a current operating situation of the motor vehicle the fulfillment of which depends on at least one control signal that can be generated by means of the or a driver assistance system of the motor vehicle.
• the present invention is based on the idea that the means of the at least one lighting device and the means of the at least one Acoustic device output signals are output together, so that they can be reliably and intuitively perceived by other road users and/or the driver of the motor vehicle.
• the light signal is supported by the sound signal and vice versa.
• a person who is not currently looking in the direction of the motor vehicle or who is visually impaired still uses the acoustic signal to capture the information to be transported by means of the signal output.
• the acoustic signal is difficult to perceive due to a currently loud background noise, for example due to city or motorway traffic, or due to a person's hearing loss, with the information to be transported by means of the signal output still being perceived using the light signal.
• the lighting device or the acoustic device for example in an accident situation, is defective and therefore the signal output is no longer possible, with the information then being able to be provided at least by means of the other device that is still intact. If several lighting devices and/or several acoustic devices are provided, individual activation of these devices by means of the control device is also conceivable.
• the simultaneous or synchronous generation of the light signal and the acoustic signal means that the output of these signals is synchronized with one another.
• the output periods of the light signal and the acoustic signal are identical, overlap or follow one another directly, if necessary with the interposition of a pause.
• the fact that the at least one lighting device and the at least one acoustic device are activated when the at least one output condition is met means that the control device evaluates specific sensor and/or control signals.
• the output condition is, in particular, if there are correspondingly given sensor and/or control signals and/or if corresponding Corresponding sensor parameters in specified intervals are met.
• the fulfillment of the output condition implies a situation in which the output of the light signal and the acoustic signal is indicated. Concrete examples of these conditions will be explained later in detail.
• the simultaneous output of the light signal and the acoustic signal takes place based on the fulfillment of the at least one output condition, which can be the entry or exit condition, the maneuvering condition and/or the driving status condition, with these three aspects being explained in more detail below .
• the at least one output condition is the at least one entry or exit condition
• other road users can be made aware that the driver may be in the area of the motor vehicle and/or that the motor vehicle is imminent to drive away and consequently increased caution is required.
• the user who is in particular the driver of the motor vehicle, can be provided with information to the effect that a locking or unlocking process of the motor vehicle and/or a commissioning or deactivation of the motor vehicle has been carried out successfully and/or that there may be a fault in the motor vehicle and/or the like.
• the at least one output condition is the maneuver condition
• other road users are informed of the forthcoming reversing maneuver or acceleration maneuver, and they can adjust accordingly. For example, pedestrians who are about to cross a roadway, which triggers the signal output implying the forthcoming acceleration maneuver, can wait until the motor vehicle has driven past.
• the reversing manoeuvre other road users are made aware of the need to be careful, especially since the driver's view is often limited, which can represent an increased risk potential, especially for children.
• the at least one output condition that describes the current operating situation of the motor vehicle is the driving status condition
• the information is output advantageously without any further action on the part of the driver, who may not have recognized a corresponding dangerous situation to which the signal is intended to indicate, for example .
• this also results in an increase in comfort for the driver.
• the at least one lighting device can be at least one front headlight, by means of which a, in particular white, daytime running light and/or a low beam and/or a high beam and/or a flashing light, in particular orange, can be generated for indicating the direction.
• the headlight is not only used in a synergetic manner to illuminate the surroundings of the motor vehicle, but also serves to output the light signal in the motor vehicle according to the invention.
• two headlights can be provided, which are arranged on the front, left and right of the motor vehicle.
• the at least one headlight can additionally or alternatively be a projection unit, by means of which a projection onto a projection surface in the area surrounding the motor vehicle can be generated.
• the at least one headlight can be a so-called digital matrix light (“DML”), in which several light-emitting diodes arranged in a matrix within a surface are typically provided.
• DML digital matrix light
• the light generated by the light-emitting diodes can be influenced or deflected by an optical influencing unit of the projection unit, which includes mirrors and/or lenses, for example, in order to generate the projection.
• An optical influencing unit of the projection unit which includes mirrors and/or lenses, for example, in order to generate the projection.
• a street or a wall or brick wall in the vicinity of the motor vehicle can be used as a projection surface.
• a warning symbol or written text or the like can be output as a light signal, if necessary multicolored.
• the light signal not only has to be the lighting up of a light source of the lighting device itself, which can be seen per direct line of sight, but can also be a projection displayed in the area surrounding the motor vehicle.
• the at least one lighting device can be at least one rear light.
• a tail light and/or a flashing light for indicating the direction can be generated by means of the at least one rear light.
• two taillights can be provided, which are arranged at the rear and on the left and right of the motor vehicle.
• the at least one lighting device is at least one side light, by means of which a flashing light can be generated in particular to indicate the direction.
• the side lamp can be a turn signal arranged on a rear view mirror of the motor vehicle. At least one side lamp is preferably seen on the left and right side of the motor vehicle.
• the at least one lighting device can be at least one position light, by means of which a position light of the motor vehicle can be generated.
• two position lights can be provided, which are each arranged in particular adjacent to and below the two headlights.
• a white position light of the motor vehicle can be output by means of the position lights.
• the acoustic device of the motor vehicle can be a horn, for example.
• a corresponding horn sound immediately and intuitively alerts other road users to a potentially dangerous situation.
• the at least one acoustic device can be a loudspeaker of the motor vehicle.
• the acoustic signal can not only be a single, fixed signal such as a horn sound or the like, but in this context it is a spoken text or any noise such as a buzzing or a beep, which can be heard by means of the Speaker is output, conceivable.
• the at least one control device is set up for this purpose, the at least one lighting device and the at least one acoustic device as a function of brightness information and/or ambient volume information that can be detected by means of at least one sensor of the motor vehicle.
• the output of the signals can be situation-specifically optimized, specifically depending on the current ambient brightness and/or ambient background noise.
• the sensor can be a light sensor, in particular a camera, by means of which the ambient brightness of the motor vehicle can be detected.
• the light signal can be all the brighter, the brighter the ambient brightness is. This avoids any dazzling of other road users, with a correspondingly darker light signal being easily recognizable anyway in the event of reduced brightness.
• a very high level of ambient brightness for example due to corresponding weather conditions, means that the light signal should be all the brighter to ensure sufficient visibility.
• provision can be made for the volume of the acoustic signal to be increased.
• the sensor can be a sound sensor, in particular a microphone, by means of which the volume of the ambient background noise of the motor vehicle can be detected.
• the acoustic signal can be louder and/or the light signal can be brighter the louder it is in the area around the motor vehicle. It is conceivable, for example, that the acoustic signal can hardly be heard due to the high level of road noise in city or motorway traffic, with this being compensated for by a corresponding increase in the volume of the acoustic signal. In addition, the brightness of the light signal can also be increased in this case, so that a reduced signal effect of the acoustic signal due to the ambient volume is also compensated.
• this comprises at least one interior lighting device, by means of which an illumination light that illuminates the passenger compartment of the motor vehicle can be generated, with the at least one control device of the motor vehicle being set up to fulfill the at least one Output condition additionally the at least one interior lighting device to control such that the light signal, the acoustic signal and the illumination light are generated simultaneously.
• the at least one interior lighting device can comprise at least one ceiling light arranged in the area of a headliner of the motor vehicle. Since the illuminating light is typically also visible from outside the motor vehicle, the inclusion of the interior lighting device brings about a further reinforcement of the advantages of the invention set out above.
• the at least one output condition is the at least one entry or exit condition, it can be provided that this is a door condition that relates to whether a door of the motor vehicle is currently being opened or closed, with the fulfillment of the door condition being monitored by a door status sensor of the motor vehicle generatable ren sensor signal depends.
• the entry or exit condition is met when the signals from the door status sensor indicate that the door is opening or closing.
• the door status sensor may be a binary sensor that indicates whether the door is currently in an open or a closed status.
• the at least one entry or exit condition can be an ignition lock condition that relates to a current change in a key position of an ignition lock of the motor vehicle, the fulfillment of the ignition lock condition being dependent on a sensor signal that can be generated by means of an ignition lock sensor in the motor vehicle. For example, switching off the ignition indicates that the driver is about to exit the vehicle. Switching on the ignition implies that the vehicle will start driving immediately motor vehicle is to be expected.
• the ignition lock sensor can be a binary sensor whose recorded information indicates the current key position in the ignition lock of the motor vehicle.
• the at least one entry or exit condition can be a locking condition that relates to the presence of a locking or unlocking signal that causes locking or unlocking of the motor vehicle, the locking or unlocking signal being able to be generated by the control device or a control unit of a locking system of the motor vehicle .
• the closing condition is then met when the locking or unlocking signal is present, since in this situation it can be assumed that the motor vehicle has been parked or parked or that it is expected to drive off shortly.
• the entry or exit condition is the locking condition
• a key of the motor vehicle has a radio transmitter, by means of which a radio signal that can be detected by a radio sensor of the motor vehicle can be generated, with the locking or unlocking signal being able to be generated as a function of the radio signal .
• the locking or unlocking signal is therefore not only generated when the motor vehicle is physically opened or locked, ie when the key is inserted and turned in a door lock of the motor vehicle, but rather it is generated as a function of the radio signal.
• the at least one control device or the control unit of the locking system is set up to use the radio signal to transmit key position information relating to a current distance between the motor vehicle and the key and/or a current direction of the key with respect to the motor vehicle to determine, wherein the control device is set up to control the at least one lighting device and the at least one acoustic device depending on the key position information.
• the control device can use the signal strength of the radio signal detected by the radio sensor to determine the current distance between the key or the driver and the motor vehicle.
• the light signal and/or the acoustic signal serve as an information carrier with regard to the current distance of the driver from the motor vehicle.
• control device can be set up to determine the direction of the key with respect to the motor vehicle as a function of the radio signal detected by the radio sensor.
• the motor vehicle has several radio sensors, with the differences in the signal strengths of the radio signal detected by the radio sensors being used to determine the direction of the key.
• the control device can be set up to control the at least one lighting device and the at least one acoustic device depending on the key position information in such a way that a current flashing frequency of the light signal and/or a current frequency of the acoustic signal that is switched on and off periodically and/or a current audio frequency and/or a current volume of the acoustic signal depends on the key position information.
• the acoustic signal can increase in terms of audio frequency and decrease in terms of volume when the key or the driver is getting closer and closer to the motor vehicle.
• the key can have at least one operating device, in particular an unlocking button and a locking button, with actuation of the at least one operating device causing the radio signal to be generated, with the locking condition being met when the radio signal is received by the radio sensor is detected. Pressing the unlocking or locking button causes the radio transmitter to generate a specific radio signal, which when detected by the control unit of the locking system by the radio sensor causes the locking condition to be met and thus the unlocking or locking signal to be generated. It is conveniently possible for the user to initiate locking or unlocking of the motor vehicle, in particular from outside the motor vehicle, simply by pressing a button.
• the radio transmitter is an RFID transponder, by means of which the radio signal can be generated automatically, with the fulfillment of the locking condition depending on the detection of the radio signal, or the locking condition being met when a distance condition is met, the distance condition being met, if the or a key position information indicates that a current distance between the motor vehicle and the key exceeds and/or falls below a distance limit value.
• RFID stands for “radio-frequency identification” and is a technology well known to those skilled in the art.
• the radio transmitter of the key typically emits a key-specific identification signal as a radio signal, so that an explicit operator action on the part of the user to open or lock the motor vehicle is no longer required.
• This signal is sent out, for example, by the radio sensor, which generates a high-frequency electromagnetic alternating field to which the RFID transponder is exposed when it comes close, which triggers the sending of the identification signal.
• the radio sensor which generates a high-frequency electromagnetic alternating field to which the RFID transponder is exposed when it comes close, which triggers the sending of the identification signal.
• a mobile phone in particular a smartphone, of the user can also be used instead of the key.
• the closing condition can also be met when a recognition condition is met. This is fulfilled, for example, when the user has been recognized by a sensor system in the motor vehicle. For this purpose, for example, face recognition or the like can take place, in which image data captured by a camera of the motor vehicle are used as part of a Visual recognition software are automatically evaluated, with the unlocking signal being generated if the user is successfully recognized. In addition, the locking signal can be generated when the user's absence is detected.
• the presence of the identification signal is detected, as a result of which the locking condition can be met and the unlocking signal can therefore be generated.
• the absence of the identification signal can be detected when the user or key leaves the detection range of the radio sensor, which causes the locking condition to be met and the locking signal to be generated.
• the distance condition can be met when the distance between the motor vehicle and the key falls below the distance limit value, in which case the unlocking signal is generated.
• the motor vehicle is unlocked when the key and thus the user approaches the motor vehicle and enters a radius around the motor vehicle that is the distance limit value.
• the distance condition can be met when the distance between the motor vehicle and the key exceeds the distance limit value, with the locking signal being generated in this case.
• the motor vehicle is locked when the key or the user moves away from the motor vehicle and leaves a radius around the motor vehicle that is the distance limit value.
• the distance limit can be between 5 and 50 meters, preferably 20 meters.
• the distance limit value is preferably a permanently specified value that is stored in the control device of the motor vehicle.
• the at least one control device is set up to activate the at least one lighting device and the at least one acoustic device in such a way to control that when the exit condition indicating a decommissioning of the motor vehicle is met, a multi-phase coming-home scenario can be implemented and/or when the entry condition indicating a commissioning of the motor vehicle is met, a multi-phase leaving-home scenario can be implemented, with each of the Phases of the coming home and / o the leaving home scenarios a phase-specific playback pattern of the light signal and the acoustic signal can be generated.
• the coming home or leaving home scenario is a playback sequence relating to the light signal and the acoustic signal, which is in particular at least partially fixed.
• Each of the phases of the coming home or leaving home scenario can be provided for the output of information that is specifically assigned to the respective phase. The corresponding information can be relevant both for the driver and for other road users.
• the coming-home scenario relates to the process when the driver has arrived at his destination, for example his home, switches off the engine and leaves and locks the vehicle.
• the leaving-home scenario relates to the process when the driver wants to drive off, i.e. approaches the motor vehicle, unlocks it, enters it and starts the engine.
• the entry or exit condition is met if the or a door condition and/or the or an ignition lock condition and/or the or a closing condition and/or the or a distance condition is met. All of these conditions are suitable for indicating that the motor vehicle has been parked or the start of a journey and for initiating the coming or leaving home scenario.
• the entry or exit condition is the door condition, it can be fulfilled when the door or doors of the motor vehicle are opened or closed.
• the exit condition is the ignition lock condition, this can be met when the key position of the ignition lock is switched to an off position. If the entry condition is the ignition lock If this condition is met, it can be met when the key position of the ignition lock is switched to an on position.
• the exit condition is the locking condition, this condition can be met when the locking signal causing locking of the motor vehicle is present. If the entry condition is the closing condition, this condition can be met if the unlocking signal causing unlocking of the motor vehicle is present.
• the exit condition is the distance condition, this can be met if the distance between the motor vehicle and the key exceeds the distance limit value. If the entry condition is the distance condition, this can be met if the distance between the motor vehicle and the key falls below the distance limit value.
• the control device can be set up to check the fulfillment of at least one phase transition condition and, if the at least one phase transition condition is fulfilled, to check the transition from one phase to the next phase and/or to generate the control command that brings about the end of the last phase, the phase transition condition only being met or able to be met if the door condition and/or the ignition lock condition and/or the closing condition and/or the distance condition is satisfied.
• the corresponding conditions can not only be used to initiate the coming home or leaving home scenario, as described above, but can also be used in connection with the transition from one phase to the next phase of the respective scenario .
• the concrete aspects presented in the last paragraph regarding the entry or exit condition can equally apply to the phase transition condition.
• phase transition condition is only met or can be met if another distance condition is met.
• the further distance condition is met when the distance between the motor vehicle and the key exceeds and/or falls below a further distance limit value. That means overriding ten further distance limit value that the user moves out of the immediate vicinity of the motor vehicle or moves into it.
• the further distance limit value is smaller than the distance limit value and can be between half a meter and ten meters, preferably three meters.
• the at least one control device of the motor vehicle is set up to check whether a termination condition is met and, if it is met, the coming home and/or cancel the leaving home scenario.
• the termination condition is met, for example, when a termination signal that can be generated by means of an operating device of the motor vehicle, in particular by means of the key, is detected. For example, pressing a button on a cancel button on the key can cause the radio transmitter to emit the cancellation signal, with this signal being detectable by the radio sensor of the motor vehicle. This enables the user to cancel the coming or leaving home scenario currently being played, for example if he wants to prevent the acoustic signals from being output based on the time of day.
• the at least one output condition is the maneuvering condition
• the at least one operating device is an accelerator pedal of the motor vehicle, the maneuvering condition being fulfilled when the accelerator pedal is actuated.
• an imminent acceleration of the motor vehicle is indicated by means of the at least one lighting device and the at least one acoustic device.
• the acoustic signal can be a humming noise that increases in terms of audio frequency and/or volume.
• a light intensity of the signal light is linked to the audio frequency or the volume.
• the at least one output condition is the maneuver condition
• it can additionally or alternatively be provided that by means of the at least one, in particular as a shift stick and/or a touchscreen and/or a Operating button and / or a selector lever provided, operating device reverse gear can be engaged, wherein the maneuver condition is met when reverse gear is engaged.
• the output of the acoustic signal is coupled to the output of the light signal by means of the rear light.
• the at least one output condition is the driving status condition, it can be provided that this is met when there is a switch from at least partially autonomous driving mode to manual driving mode of the at least partially autonomously operable motor vehicle and/or vice versa.
• the corresponding signal output implies a driving mode change to the effect that control of the motor vehicle is handed over from the driver assistance system to the driver or vice versa. This information can ultimately also be relevant for the driver of the motor vehicle.
• the at least one output condition is the driving status condition, it can additionally or alternatively be provided that this is fulfilled when a dangerous situation is present, with the control device being set up to indicate the presence of the dangerous situation using a signal from a sensor of the motor vehicle, in particular a camera and / or a radar sensor to detect. If a dangerous situation is detected within the framework of the driver assistance system, then information can be output directly and without a time delay. It is particularly advantageous that the driver does not have to do anything, such as activating the horn. In particular, if the interior lighting device of the motor vehicle is included as part of the signal output, the warning is also output in the direction of the driver who is in the motor vehicle and who may not yet have recognized the dangerous situation.
• the light signal can be a headlight flasher, in particular one that is periodically switched on and off, and the acoustic signal can be a horn noise or a text-based output signal such as the spoken word “Warning” or the like.
• the object on which the present invention is based is also achieved by a method for operating a motor vehicle, comprising at least one lighting device, by means of which at least one light signal visible from outside the motor vehicle is generated, and at least one acoustic device, by means of which at least one light signal is generated from outside the motor vehicle audible acoustic signal is generated, wherein the fulfillment of at least one output condition is checked and when the at least one output condition is met, the light signal and the acoustic signal are generated simultaneously, the at least one output condition
• At least one maneuver condition relating to a current or forthcoming reversing or acceleration maneuver of the motor vehicle the fulfillment of which depends on at least one control signal generated by means of a driver assistance system of the motor vehicle and/or by means of at least one operating device of the motor vehicle by a user, and/or or
• Fig. 1 is a plan view of an embodiment of the erfindungsge Permitted motor vehicle
• FIG. 2 shows an interior view of the motor vehicle from FIG. 1,
• Figure 3 shows a detailed view of a key of the motor vehicle
• FIG. 4 shows a flow chart of a first exemplary embodiment of the method according to the invention relating to a coming home scenario
• FIG. 5 shows a flowchart of a second exemplary embodiment of the method according to the invention relating to a leaving-home scenario.
• FIG. 1 shows an exemplary embodiment of a motor vehicle 1 according to the invention, further details being shown on the basis of the interior view of this motor vehicle 1 shown in FIG. 2 .
• exemplary embodiments of the method according to the invention are explained on the basis of motor vehicle 1 .
• the motor vehicle 1 comprises a plurality of lighting devices 2, by means of which visible light signals can be generated from outside the motor vehicle 1.
• the lighting devices 2 include light-emitting diodes, by means of which light of corresponding colors can be generated.
• the motor vehicle also includes a number of acoustic devices 3, by means of which acoustic signals that can be heard from outside the motor vehicle 1 can be generated.
• two headlights 4 arranged on the front, left and right of motor vehicle 1 are provided as lighting device 2, with means by which white light can be generated, namely daytime running lights, dimming lights and high beams.
• white light can be generated, namely daytime running lights, dimming lights and high beams.
• an orange flashing light can be output using the front headlights 4 to indicate the direction.
• Headlights 4 also designed as projection units, namely each Weil as a Digital Matrix Light (“DML”), by means of which a projection onto a projection surface in the vicinity of the motor vehicle, such as onto a street or a wall, can be generated.
• DML Digital Matrix Light
• rear lights 5 arranged on the motor vehicle 1 are provided as lighting devices 2 at the rear and on the left and right.
• a red tail light can be generated by means of the rear lights 5 .
• an orange flashing light can also be emitted by means of the rear lights 5.
• two are each on the Sospie rules of the motor vehicle arranged side lights 6 are provided as lighting devices 2, by means of which an orange color Nes flashing light can be output as part of a flashing function of the motor vehicle 1.
• two position lights 7 are provided, which are arranged adjacent to and below the headlights 4.
• a white position light of the motor vehicle 1 can be output by means of the position lights 7 .
• a horn 8 is provided as the acoustic device 3 of the motor vehicle 1, by means of which a horn signal can be emitted.
• the loudspeakers 9 are provided as acoustic devices 3 .
• the loudspeakers 9 are arranged, for example, in the front and rear area of the motor vehicle 1, on the left and right. Tones or noises of different types can be output in different directions using the loudspeakers 9 .
• the motor vehicle 1 includes a control device 10 which is set up to control the lighting devices 2 and the acoustic devices 3 when an output condition explained in more detail later is met, in particular individually, in such a way that the light signal and the acoustic signal are generated simultaneously.
• control device 10 is set up, for example, to cyclically run through an evaluation algorithm for this purpose, in which it is checked whether, as a function of sensor signals and/or of control signals present as part of the control of the motor vehicle 1, which will be discussed in more detail later is received, the relevant issue conditions are met.
• the control device 10 is set up, if this is the case, to output corresponding control signals to the lighting devices 2 and the acoustic devices 3 .
• the control device 10 is connected to sensors and the lighting devices 2 and the acoustic devices 3 via electrical signal lines, which are not shown in the figures for reasons of clarity.
• the controls that can be carried out by the control device 10 can also be divided among a number of control devices which communicate with one another, for example by means of a bus system of the motor vehicle 1 or the like.
• the control device 10 is also set up to control a driver assistance system 11 of the motor vehicle 1, which is provided as a partially autonomously operable motor vehicle 1.
• the motor vehicle 1 also has several interior lighting devices 12 (see FIG. 2), which are present as two ceiling lights 13 arranged in the area of the vehicle ceiling, by means of which an illumination light that illuminates the passenger compartment 14 of the motor vehicle 1 can be generated.
• the control device 10 is set up to also control the interior lighting devices 12 when the output condition is met in such a way that the light signal from the lighting devices 2, the acoustic signal from the acoustic devices 3 and the illumination light from the interior lighting device 12 are generated simultaneously.
• this is an entry or exit condition describing a current commissioning or decommissioning situation of the motor vehicle, the fulfillment of which is determined by at least one system relating to the commissioning and decommissioning of the motor vehicle 1 and Sensor of the motor vehicle 1 generated control and / o the sensor signal depends.
• This system can be controlled by the control device 10 .
• the control device 10 is set up to control the lighting devices 2 and the acoustic devices 3 and, if applicable, the interior lighting device 12 when the output condition is met in such a way that the signals output in this context specifically describe the current situation of the motor vehicle 1, in particular for other road users , describe.
• the entry or exit condition is sometimes a door condition that relates to whether a door 15 of motor vehicle 1, in particular a driver's door, is currently open or closed, with the light signal and the acoustic signal conveying this information.
• a door status sensor 16 is provided for appropriate sensing.
• the control device 10 is set up to evaluate the binary signal of the door status sensor 16, which indicates whether the door 15 is currently open or closed, accordingly.
• the entry or exit condition is also an ignition lock condition, which relates in particular to the key position of an ignition lock 17 of the motor vehicle 1 .
• Corresponding sensor signals on which the fulfillment of the ignition lock condition depends, can be detected by means of an ignition lock sensor 18 of motor vehicle 1 .
• the ignition lock 17 is in an off position when a key 19 of the motor vehicle 1 is not in the ignition lock 17 or, if the key 19 is in the ignition lock 17, it is in a non-operating position.
• the ignition lock 17 of the motor vehicle 1 is in an on position when the key 19 is in the ignition lock 17 and has been turned into an operating position, so that an ignition of the motor vehicle 1 has been activated.
• the entry or exit condition is also a locking condition that indicates that there is a locking or unlocking signal that causes locking or unlocking of the motor vehicle and can be generated by a control unit of a locking system of the motor vehicle, the control unit being control device 10 in the present case.
• This is set up to generate the locking or unlocking signal as a function of a radio signal that can be generated by a user 20 using a radio transmitter 21 of the key 19 .
• the key 19 the details of which are shown in FIG.
• the radio signal can be detected by means of a radio sensor 24 of the motor vehicle 1, with the corresponding sensor signals being transmitted to the control device 10.
• a mobile phone belonging to the user 20 can also be used in this context.
• the radio transmitter 21 is an RFID transponder, by means of which the radio signal is an identification signal, so that the user 20 does not have to press a button when approaching or moving away from the motor vehicle to unlock or lock it, but rather the detection of the presence of the vehicle Key 19 or the user 20 takes place automatically and unlocking or locking the motor vehicle 1 automatically triggers.
• the control device 10 is set up to use the radio signal to determine a current distance between the motor vehicle 1 and the key 19 and/or the key position information relating to a current direction of the key 19 with respect to the motor vehicle 1 .
• the radio signal detected by means of a distance sensor, in this case the radio sensor 24, is used to detect the distance.
• the control device 10 is set up to use the signal strength of the radio signal detected by the radio sensor 24 to determine the current distance between the motor vehicle 1 and the key 19 or the user 20 . This distance is indicated schematically in FIG. 1 by the arrow 25. The distance condition is met when the key position information indicates that a current distance between the motor vehicle 1 and the key 19 exceeds and/or falls below a distance limit value. If the radio transmitter 21 is an RFID transponder, the radio transmitter 21 of the key 19 emits a key-specific identification signal as a radio signal. The transmission of this signal is effected by the radio sensor 24, which constantly or cyclically generates a high-frequency electromagnetic alternating field, which is detected by the radio transmitter 21 when the key 19 approaches, thereby triggering the transmission of the identification signal.
• the closing condition can also be met when a recognition condition is met. This is fulfilled, for example, when the presence of the user 20 in the area surrounding the motor vehicle 1 is detected by means of a face recognition algorithm implemented by the control device 10 .
• Image data captured by a camera 47 of the motor vehicle 1 can be used for this purpose, with the unlocking signal being generated when the user 20 has been recognized.
• the locking signal can be generated when the absence of the user 20 is detected.
• the key position information in particular the distance between the motor vehicle 1 and the key 19 detected in this connection, is not only used in connection with the distance condition, son countries also flows concretely into the output of the light signal and the acoustic signal.
• the light signal that is emitted when the distance or closing condition is met is a flashing light signal with a specific flashing frequency.
• the loading light of the interior lighting device 12 can be switched on and off with the same blinking frequency.
• the acoustic signal is a beep sounding periodically and with intervening short pauses, which is emitted by the loudspeakers 9 .
• the blinking frequency of the light signal corresponds to the period of the periodically emitted beep.
• This frequency is greater, the smaller the distance between the motor vehicle 1 and the key 19 is.
• the smaller the distance between the motor vehicle 1 and the key the higher the current frequency of the sound waves of the acoustic signal and the lower the current volume of the acoustic signal.
• the key position information is expediently updated continuously, so that the light signal and the acoustic signal are continuously adapted to it. It is implied to the user 20 that the motor vehicle 1 is detecting his approach or distance.
• the key position information also relates to the direction of the key 19 or user 20 relative to the motor vehicle 1, with the direction in which the light signal and the acoustic signal are output being included as an example flows in.
• the control device is set up to determine the direction of the key 19 as a function of the radio signal detected by the radio sensor 24 .
• the motor vehicle 1 has a plurality of radio sensors 24 , the differences in the signal strengths of the radio signal detected by the radio sensors 24 being used to determine the direction of the key 19 .
• the control signals generated by the control device 10 for controlling the lighting devices 2 and the acoustic devices 3 can now cause the light signal and/or the acoustic signal to be output in a targeted manner in the direction of the user. For example, only those lighting devices 2 that are visible to the motor vehicle 1 due to the viewing angle of the user 20 can emit a light signal. In addition, only those acoustic devices 3 whose output direction faces the user 20 can output the acoustic signal.
• the lighting device 2 and the acoustic device 3 each output a signal that indicates that the motor vehicle 1 is currently being activated or deactivated.
• the signals specifically imply whether the commissioning or decommissioning situation relates to an opening or closing of the vehicle door 15, an activation or deactivation of the ignition or a locking or unlocking of the motor vehicle 1. This information is relevant not only for other road users, but also for the user 20, who is typically in the vicinity of the motor vehicle 1 in these situations.
• the user 20 does not look in the direction of the motor vehicle 1 at the moment the motor vehicle 1 is locked or unlocked by the radio signal from the key 20 and therefore does not perceive the light signal, although the acoustic signal nevertheless indicates that that locking or unlocking has been carried out successfully.
• FIG. 4 relates to a flow chart of a first exemplary embodiment of the method according to the invention, by means of which a so-called coming home scenario is implemented.
• the coming-home scenario relates to an, in particular, fixed, multi-phase generation of light signals and acoustic signals, with each phase of the coming-home scenario relating to a typical section when the motor vehicle 1 is parked at a destination.
• each phase of the coming-home scenario relating to a typical section when the motor vehicle 1 is parked at a destination.
• step 26 in which a sensor signal from the ignition lock sensor 18 is generated.
• step 27 of the method this sensor signal is evaluated and a check is made as to whether the ignition lock condition is met. If this is the case, the method is continued in a next step 28 . Otherwise, who the steps 26 and 27 run through in a loop until the corresponding sensor signals are generated in step 26 and the method in step 28 is continued.
• control signals for controlling the lighting device 2, the acoustic device 3 and the interior lighting device 12 are generated in such a way that the light signal and the acoustic signal and the illumination light are generated simultaneously.
• these control signals cause the headlights 4 to fan out and swivel downwards when the ignition is switched off.
• the rear headlights 5 are switched on briefly.
• the illuminating light of the interior lighting 12 is constantly getting brighter in the meantime, until a maximum brightness of the illuminating light is reached.
• a humming noise is generated at the same time by means of the loudspeakers 9 .
• the humming noise is generated immediately after the ignition is switched off and steadily decreases in volume until it has stopped completely.
• the user 20 who is still in the motor vehicle 1 during this first phase of the coming-home scenario, sees the dipped headlights fanning out and pivoted downwards, as well as the increasingly darkening illumination light, whereby he simultaneously sees the quieter and the humming noise implied by switching off the ignition.
• the corresponding signals are also perceived by other road users.
• the next step 29 of the method relates to the user 20 getting out of the motor vehicle 1 .
• step 29 for example, a sensor signal from the door status sensor 16 relating to the fact that the door 15 is first opened and then closed shortly thereafter is generated.
• these sensor signals are evaluated and the fulfillment of a phase transition condition, which is specifically the door condition, is checked. If this is the case, the method is continued in a next step 31 and a second phase of the coming home scenario is initiated. Otherwise, steps 29 and 30 are run through in a loop until the corresponding sensor signals are generated in step 29 and the method is continued in step 31.
• control signals for controlling the lighting devices 2, the acoustic devices 3 and the interior lighting device 12 are generated in such a way that so-called “light breathing” takes place in the second phase of the coming-home scenario.
• the side lights 6 and the interior lighting device 12 are included in this pulsation.
• an animated, ie dynamic, projection is generated by the headlight 4, with the word “bye” being projected onto the ground and the size and/or color and/or position of this projection changing.
• the speakers 9 generate a noise such as a humming noise in terms of its audio frequency and volume.
• a radio signal detected by radio sensor 24 and causing locking of motor vehicle 1 is detected by key 20 in step 32, whereupon the locking signal causing locking of motor vehicle 1 is detected is generated.
• the key 19 is set up here to generate unlocking or locking signals by pressing the buttons 22 , 23 .
• the key 20 can equally include the radio transmitter 21 designed as an RFID transponder, with likewise, the locking signal which causes the motor vehicle 1 to be locked is generated as a function of the distance condition described above.
• the pulsation frequency of the light respiration can also depend on the current distance between the motor vehicle 1 and the key 19 .
• step 33 a check is made as to whether, as part of step 32, a locking signal was generated that causes the motor vehicle 1 to be locked or, in other words, whether the locking condition is or was met.
• step 33 If the check in step 33 shows that locking of the motor vehicle 1 was carried out successfully, 34 control signals are generated as part of a next step, which cause that in a third phase of the coming home scenario for a short period of time like the daytime running lights of the front headlights 4, the position light of the position lights 7, the tail light of the rear lights 5 and the orange flashing light of the front headlights 7, the rear lights 5 and the side lights 6 briefly light up again for about one second.
• a symbol of a locked lock is projected in green onto the ground by means of the headlight 4 .
• a triangle noise is emitted by the loudspeakers 9, with the two last-mentioned outputs signaling to the user 20 both visually and acoustically that the motor vehicle 1 has been locked.
• step 33 If the check in step 33 has shown that the motor vehicle 1 has not yet been locked, control signals are instead generated as part of a next step 35, which cause the just in connection with step 32 or the third phase of the coming -Home scenarios explained light and acoustic signals are issued equally, but with the difference that by means of the front headlight 4 a symbol of an unlocked lock is projected in red on the ground and that the triangle noise is not emitted by the loudspeakers 9 but by the horn 8 a short horn noise. These two outputs signal to user 20 that motor vehicle 1 has not yet been locked.
• the coming-home scenario is completed when step 34 or 35 has run out.
• FIG. 5 shows a flow chart relating to a second exemplary embodiment of the method according to the invention for realizing a multi-phase leaving home scenario. It is assumed here that the key 19 has a radio transmitter 21 designed as an RFID transponder, by means of which the radio signal is transmitted as an identification signal.
• a first step 36 of this method relates to the fact that the user 20 together with the key 19 may approach the parked motor vehicle 1 .
• radio sensor 24 is used in step 36 to detect the identification signal transmitted by key 19, if applicable, and to generate an unlocking signal that causes unlocking of motor vehicle 1, provided that the key position information determined in this way indicates that the distance between motor vehicle 1 and key 19 is smaller than the fixed distance limit or, in other words, if the closing condition is met.
• control signals are generated, by means of which the headlights 4, the position lights 7, the rear lights 5 and the speakers 9 are controlled.
• these control signals cause a
• the headlights 4 flash the low beam, which swivels upwards.
• the rear lights 5 flash briefly.
• a noise implying the unlocking of the motor vehicle 1, for example that of a triangle or the like, is generated by means of the loudspeakers 9.
• a second phase of the leaving home scenario begins automatically as part of a next step 39, in which on the one hand control signals are sent to the lighting devices 2 and the acoustic devices 3 and on the other hand parallel to this, the fulfillment of a phase transition condition is checked, these two aspects being explained below.
• the “light breathing” already explained above takes place in the second phase.
• the key position information is constantly updated.
• the lighting devices 2 and the acoustic devices 3 are controlled in such a way that the pulsation frequency of the light signal and the acoustic signal and the current volume of the acoustic signal depend on the current distance of the key 19 .
• phase transition condition it is provided that this is fulfilled as soon as a further distance condition is fulfilled. This is the case when the distance between the motor vehicle 1 and the key 19 falls below a further distance limit value, for example three meters, whereby the statements made regarding the detection of the distance for checking the distance condition apply equally to the further distance condition . Fulfillment of the further distance condition implies that the user 20 is about to enter the motor vehicle immediately. If this phase transition condition is met, step 39 of the method relating to “light breathing” is ended and as part of a further step 41, a third phase of the leaving home scenario begins. As an alternative to meeting the further distance condition, the phase transition condition in step 39 can also be met when the door condition is met, ie when the sensor signals detected by the door status sensor 16 imply that the door 15 is currently being opened.
• a further aspect relating to a further step 40 is that after a fixed predetermined period of time, which is 20 seconds in the present example, the method in step 40 is automatically terminated and the motor vehicle 1 is locked again. This would mean that within this time the further distance condition was not met and the user 20 is therefore no closer to the motor vehicle 1 than e.g. approached three meters. This in turn implies that the user 20 just happened to be passing the motor vehicle 1 and does not intend to start a journey, which is why the leaving home scenario is indicated to be aborted.
• control signals are generated in such a way that the low beam is briefly switched on using the front headlights 4, the rear light is briefly illuminated using the spotlights 5 and a constant and up to a maximum brightness is brighter nascent illumination light is effected by means of the interior lighting 12.
• the loudspeakers 9 generate a short humming noise.
• the generation of the humming noise it can also be provided in step 41 that, if there is error information relating to a vehicle system of the motor vehicle 1, a noise is generated instead of the humming noise, which implies the presence of a malfunction for the user 20.
• the acoustic signal can, for example, be in the form of text output, for example the word “Error” or the like.
• An aspect also provided in connection with the coming home and leaving home scenario relates to the fact that the control device 10 of the motor vehicle 1 is set up to check the fulfillment of a termination condition during each method step 26 to 41 in parallel. whereby the respective scenario is canceled if it is fulfilled accordingly.
• the termination condition is met if the radio sensor 24 detects a termination signal that was generated due to the actuation of a termination button 42 of the key 19 .
• An abortion can be expedient, for example, in situations in which the user 20 would like to abort the complete running through of the light and acoustic signals emitted as part of these scenarios, for example because it is currently night and any noise pollution for residents is to be avoided.
• the output condition is a maneuver condition, the fulfillment of which depends on a current or forthcoming maneuver. Specifically, the maneuver condition is met when a reversing and acceleration maneuver of the motor vehicle 1 is imminent or is being carried out.
• the maneuver condition is met as a function of a control signal that can be generated by the driver assistance system 11 of the motor vehicle 1 and causes a reversing or acceleration maneuver.
• a control signal that can be generated by the driver assistance system 11 of the motor vehicle 1 and causes a reversing or acceleration maneuver.
• the output of corresponding light and acoustic signals is provided.
• loudspeakers 9 can output an acoustic signal that increases in volume or pitch.
• a white reversing light can be generated using the rear lights 5, with a text-based message being played using the loudspeakers 9 how the word "attention" is issued regarding the reversing manoeuvre.
• the maneuvering condition is fulfilled as a function of an operating signal that can be generated by the user 20 using an operating device 43 of the motor vehicle 1 .
• the operating device 43 is an accelerator pedal 44 of the motor vehicle 1, the maneuvering condition being fulfilled when the accelerator pedal 44 is actuated.
• This actuation can be detected by sensors, for example, or by means of a control signal that is present in any case in a drive controller of motor vehicle 1 , with the corresponding information being transmitted to control device 10 .
• a shift stick 45 of the motor vehicle 1 is provided as the operating device 43, the maneuver condition being fulfilled when reverse gear is engaged by means of the shift stick 45.
• the operating device can be a touch screen 49, an operating button, a selector lever or another operating device, by means of which the reverse gear of the motor vehicle 1 can be engaged.
• a sensor assigned to operating device 43 or shift lever 45 can be provided, or a control command provided in any case as part of drive control of motor vehicle 1 can be used.
• the output condition is a driving status condition describing a current operating situation of the motor vehicle 1 . Fulfillment of this condition depends on a control signal that can be generated by means of driver assistance system 11 .
• the driving status information indicates an imminent or currently implemented change from the at least partially autonomous ferry operation of the motor vehicle 1 to manual ferry operation.
• the control of driver assistance system 11 is carried out by the control device 10 anyway, this information is immediately available to the control device 10.
• the control device 10 is set up to generate control signals to the lighting device 2 and the acoustic device 3 in such a way that the text “Automatic to Manual” or “Manual to Automatic” is projected onto the road in front of motor vehicle 1, depending on whether there is a change from autonomous to manual driving mode or vice versa.
• the position light that can be generated by means of the position lights 7 and the rear light that can be generated by means of the spot lights 5 each light up briefly three times as an example.
• an acoustic signal is emitted by the loudspeakers 9, in which the text “Automatic to Manual” or “Manual to Automatic” is played back.
• the driving status condition is met when a dangerous situation is present, with control device 10 being set up to detect the presence of the dangerous situation using a signal from a sensor, namely camera 47 and a radar sensor 48 .
• the detected dangerous situation describes, for example, an imminent collision of the motor vehicle 1 with another road user or an obstacle such as a lamp post or the like.
• the control device 10 evaluates the signals from the camera 47 and the radar sensor 48 .
• the control device 10 is set up such that if the driving condition is met, the headlights 4 will flash the headlights and the horn 9 will flash the horn.
• the signal can also be output, for example with the inclusion of the loudspeaker 9, in the direction of the detected dangerous situation.
• the acoustic signals that can be reproduced using the loudspeakers 9 can be permanently specified and stored in a memory of the control device 10 .
• the acoustic signals can be specified by the user 20 .
• the user 20 can adjust the acoustic signals, for example with regard to their pitch and/or volume or the like, as well as the light signals using the touchscreen 49, which is connected to the control device 10.
• acoustic signals to be output by means of loudspeakers 9 as part of the method according to the invention, which are recorded by user 20, for example using a smartphone or the like, and transmitted via a suitable interface to motor vehicle 1 or control device 10 who can be transferred.
• a further general aspect of the motor vehicle 1 according to the invention relates to the fact that a sensor 46, namely that of the camera 47, can be used to detect brightness information which relates to the current brightness state in the area surrounding the motor vehicle.
• the control device 10 is set up to control the brightness of a light signal that can be generated by the lighting devices 2 as a function of the brightness information, for example in such a way that the light signal is all the brighter the brighter the surroundings of the motor vehicle are at the time .
• the at least one control device 10 is also set up to control the devices 2, 3 as a function of ambient volume information provided by a sensor 46 of the motor vehicle 1, namely a microphone 50 .
• the acoustic signal can thus be all the louder and the light signal all the brighter, the louder it is currently in the area surrounding the motor vehicle.

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