DE102010032448A1 - Method for driving motor vehicle, involves driving motor vehicle in situation characterized by state variable, where acoustically perceivable noise is generated depending on state variable - Google Patents

Abstract

The method involves driving a motor vehicle (1) in a situation characterized by a state variable (21). An acoustically perceivable noise (19) is generated depending on the state variable. The state variable has a surrounding signal (25) and the acoustically perceivable noise is generated depending on the surrounding signal.

Description

The invention relates to a method for operating a motor vehicle, with operation of the motor vehicle in a state characterized by a state variable and generating an acoustically perceptible noise as a function of the state variable.

Motor vehicles in which an acoustically perceptible noise is generated as a function of a state of the motor vehicle are known. The sounds may be artificially generated sounds, such as effect sounds and / or sounds. It is known, for example, in an interior of the motor vehicle, upon actuation of a flasher lever, to generate an artificial sound that resembles a click of a flasher relay. Furthermore, it is known to generate such sounds outside the vehicle so that, for example, pedestrians located in the vicinity of the vehicle can perceive this noise. The DE 603 01 760 T2 refers generally to vehicles that artificially generate predetermined sounds in response to predetermined travel conditions and operating conditions of the vehicle, such as vehicle noise. B. effect sounds and / or music length. In particular, the DE 603 01 760 T2 to a vehicle that allows a user to change or modify a sound artificially generated in response to one of a plurality of driving and operating conditions so that a user-preferred noise can be generated at any required time, and a method for hearing-based information about certain states of a vehicle.

The object of the invention is to enable an improved generation of acoustically perceptible noise as a function of a condition of a motor vehicle characterizing state variable.

The object is achieved in a method for operating a motor vehicle, operating the motor vehicle in a state characterized by a state variable and generating an acoustically perceptible noise as a function of the state variable in that the state variable has an environmental signal and the acoustically perceptible noise as a function of the ambient signal is produced. Advantageously, the vehicle can respond acoustically to the environment and / or interact with it.

The object is also achieved in a method for operating a motor vehicle, with operating the motor vehicle in a state characterized by a state variable and generating an acoustically perceptible noise as a function of the state variable, characterized in that the motor vehicle has a basically a drive noise emitting drive source, which acoustically Perceptible noise is generated if and only if the drive source does not emit the driving noise or it is so quiet that it is not perceived by road users in the vicinity of the motor vehicle. Advantageously, the noise warn other road users in front of the vehicle or make it aware of this. Advantageously, in the absence or virtually imperceptible drive noise of the drive source this is artificially replaced by the acoustically perceptible noise. It may be, for example, an artificial engine noise and / or a sound and / or the like. The drive source basically emits the drive noise during drive phases and coasting phases. However, it is possible that the drive source temporarily produces no drive noise or this is at least temporarily so quiet that it is not perceived by the road users in the vicinity of the motor vehicle, and in particular ordinary attention, and / or can.

In one embodiment of the method it is provided that the drive source has a start / stop device and that during a stop phase of the drive source, the acoustically perceptible noise is generated. Advantageously, there is virtually no drive noise of the drive source during stop phases, and this can advantageously be replaced by the generated acoustically perceptible noise.

In a further embodiment of the method it is provided that the drive source has an electric motor and the electric motor emits the drive noise so quietly that it is not perceived by the road users in the vicinity of the motor vehicle and thereby the acoustically perceptible noise is generated. Advantageously, despite the quietly operating electric motor, the vehicle can be acoustically perceived due to the artificially generated acoustically perceptible noise.

In a further embodiment of the method it is provided that the noise outside of the motor vehicle is generated perceptible. Advantageously, the noise can be emitted to the outside, so that this can be perceived by located in the vicinity of the motor vehicle road users.

In a further embodiment of the method it is provided that the noise is generated within the motor vehicle. Advantageously a driver and / or passengers of the motor vehicle can also benefit from the acoustically perceptible noise.

In a further embodiment of the method, generating the noise depending on a type of motor vehicle and / or depending on user preferences is provided. Advantageously, a differentiation between different vehicles can be made due to the type-dependence of the noise. Advantageously, it is possible that this depends on the user input, for example of a driver of the motor vehicle.

In a further embodiment of the method, generating the noise in dependence on an environment of the motor vehicle is provided. Advantageously, the motor vehicle can respond to its environment, for example, if it is dangerous and / or in this environment with a very high probability of endangering other road users, especially pedestrians, is to be expected. This can be done, for example, in multi-storey car parks, in garages and / or on pedestrian crossings, preferably for warning the other road users.

In a further embodiment of the method, a recording of a driving sound of an object in the surroundings of the motor vehicle and / or a generation of a further noise acoustically perceptible in an interior of the vehicle is / are provided in dependence on the recorded driving noise of the object. Advantageously, an acoustic vehicle-to-vehicle communication can take place. This can be particularly useful if the interior or a corresponding interior of the motor vehicle has a particularly good acoustic insulation against its environment, so that noise from the outside can not penetrate or only very weakened. In the event that the other objects, for example, other motor vehicles with very quiet drives, also produce only very low perceptible driving noise, it is advantageously possible to first include them and to guide the security in the interior of the vehicle or reproduce there. Advantageously, this can be done alternatively and / or additionally depending on an operator or a driver request.

The object is also achieved in a motor vehicle, set up, designed and / or designed to carry out a method described above. This results in the advantages described above.

Further advantages, features and details will become apparent from the following description in which - where appropriate, with reference to the drawings - at least one embodiment is described in detail. Described and / or illustrated features form the subject of the invention, or independently of the claims, either alone or in any meaningful combination, and in particular may additionally be the subject of one or more separate applications. The same, similar and / or functionally identical parts are provided with the same reference numerals.

The only 1 shows a schematic side view of a method according to the motor vehicle, which follows a conventional motor vehicle.

1 shows a motor vehicle according to the method 1 to whom an object 3 in the form of another motor vehicle follows. The object 3 is with an internal combustion engine 5 equipped with a combustion sound 7 emitted.

The car 1 has an electric drive source 9 with wheel hub motors on. The electric drive source 9 is exemplary and may also include a central electric motor and / or a combination of an electric motor with an internal combustion engine and / or an internal combustion engine with a start / stop device. The drive source 9 differs in this respect from the internal combustion engine 5 of the subsequent object 3 in that it generates, at least temporarily, a very weak or imperceptible drive noise. This may be, for example, in the case of a start / stop device during a stop phase of a corresponding internal combustion engine of the drive source 9 be the case. In the case of a combined drive source with an internal combustion engine and an electric motor, this may be the case during purely electric drive phases. Likewise, this can be in the case of a purely electrical drive source 9 , as in 1 represented by means of wheel hub motors, during an electric drive phase and / or during a recuperation phase of the case.

The car 1 is from a driver 11 controlled by a man-machine interface 13 , For example, a combination instrument and / or a control unit and / or a pedal unit and / or similar components in communication. The man-machine interface 13 is in connection with a control unit 15 , By means of the control unit 15 may be an operating state of a state of the motor vehicle 1 be recorded. In addition, the control unit is available 15 with the drive source 9 in connection, wherein a driving state of the state of the motor vehicle 1 is detected. The state of the motor vehicle can generally be determined by any state variable 21 , for example, a multi-size size, describing the motor vehicle, for example a speed, an acceleration, an engine speed, a direction of travel, an operating state. a communication state and / or the like. Further, under the state, a location of the motor vehicle 1 understood, for example, whether the motor vehicle is within a closed town or outside a built-up area, at a danger point, in a parking garage, at a pedestrian crossing and / or the like.

The control unit 15 controls a speaker 17 by means of which in an environment of the motor vehicle 1 an acoustically perceptible noise 19 can be emitted.

The control unit 15 generated together with the speaker 17 the acoustically perceptible noise as a function of the condition of the motor vehicle characterizing state variable 21 ,

Alternatively and / or additionally, the motor vehicle 1 a receiving unit 23 For example, a microphone, a part of a transponder unit, a radio receiver and / or the like. In 1 is the receiving unit 23 shown as a microphone. By means of the microphone, a driving noise, in particular the combustion noise 7 of the object 3 , be recorded and as environmental signal 25 to the control unit 15 to get redirected. Depending on the recording of the driving noise or the combustion noise 7 of the object 3 controls the control unit 15 another speaker 27 , The control unit 15 generated together with the other speaker 27 an acoustically perceptible further noise 29 , The further noise 29 becomes in a heart 31 of the motor vehicle 1 generated and / or radiated there, so that this from the driver 11 of the motor vehicle 1 can be perceived. Advantageously, the driver 11 of the motor vehicle 1 by means of appropriate operator inputs at the man-machine interface 13 the further noise 29 set, specify, regulate in a volume and / or turn on or off.

Likewise, by means of corresponding user inputs of the driver 11 via the human-machine interface 13 the acoustically perceptible noise in the environment of the motor vehicle 1 be set and / or selected. Alternatively and / or additionally, it is conceivable type and volume of the noise 19 depending on a type of motor vehicle 1 Specify firmly, so for example not by user input of the driver 11 modifiable in the control unit 15 to apply.

The receiving unit 23 is designed with an environment cloud 33 of the motor vehicle 1 to communicate. Communication takes place in the most general sense via a transmission link 35 , The transmission link 35 For example, it may comprise a radio link and / or an acoustic link, for example a radio network, a mobile radio network, radio waves, a Bluetooth radio link, an infrared radio link, a remote radio link, a transponder radio link, a monodirectional and / or a bidirectional radio link, an RFID -Funkstrecke and / or the like. The environment cloud 33 For example, an Internet, a central communication device, a server device, one or a plurality of the moving objects 3 , one or more fixed objects, such as traffic signs, traffic lights and / or the like.

The speaker 17 and or 27 can in the vehicle 1 radiate inwardly or outwardly, for example, in an engine compartment, a trunk or any other, optionally advantageous place visible and / or not visible attached. If necessary, the speakers can 17 and or 27 be visibly attached as an additional differentiating feature. By means of the loudspeaker 17 may include the predetermined sound, such as a sound, sounds, a sound pattern, broadcast, acoustic content of storage media, such as storage disks, for example, in a so-called smart phone and / or internet-enabled portable communication device, and / or one specifically for playing media content designed mobile communication device and / or from any storage media on which they are stored, taken and / or of these as a sound pattern during a journey of the motor vehicle 1 be retrieved.

Alternatively and / or additionally, it is conceivable, via mobile radio, radio waves, Bluetooth, remote control, Internet and / or the like, a communication of various motor vehicles, for example of the object 3 and the motor vehicle 1 so that all participating objects at the same time give the same sound. This can be used, for example, during a corso or cruise ride to deliver a fully tuned synchronous sound, for example, to play a consistent tune.

Alternatively and / or additionally, it is possible, via mobile radio, radio waves, Bluetooth, remote control, Internet, to make the communication between the objects in such a way that all objects give the same sound with a time delay, for example on corso or convoy trips, whereby it is possible to that the respective passing motor vehicle in each case to a place plays the sound with a time delay.

Alternatively and / or additionally, it is possible, via mobile radio, radio waves, Bluetooth, remote control, Internet, to carry out a communication of the various objects with one another such that the objects, for example the motor vehicle 1 and the object 3 Data, especially a sound transmitted to each other. Alternatively and / or additionally, it is possible for the driver 11 of the motor vehicle 1 the thus transmitted sound by means of a user input at the man-machine interface 13 assumes, so this is reproduced only after an acknowledgment.

Alternatively and / or additionally, it is possible to have different ones in the motor vehicle 1 deposited sounds based on specific recognition features automatically and depending on the driver 11 , so driver dependent to adjust and retrieve when the driver 11 in the motor vehicle 1 einsteigt. For example, it is possible to get a custom sound per family member of a driver's family 11 play. To authenticate the driver 11 For example, a so-called Keylessgo card of a socket-free drive authorization system, a car key, a mobile communication device such as a cell phone, a smartphone located in the car 1 logs in and / or other miscellaneous features, in particular biometric, and / or manually made settings.

Alternatively and / or additionally, it is possible to synchronize and / or transmit sound to the motor vehicle from the surrounding cloud 33 make. The environment cloud 33 may in this case, for example, a personal computer, an Internet, a smartphone, a cell phone, radio waves, etc. have.

Alternatively and / or additionally, it is possible to synchronize data such as calendar data of a smartphone, a mobile phone, a personal computer and / or similar devices, wherein the motor vehicle 1 in a parked state may issue a kind of wake-up call and / or reminder tone, which has been previously set in particular. This can be particularly useful if you have an activity in the vicinity of the motor vehicle 1 this is within earshot and thereby the memory of the driver 11 is perceptible.

Alternatively and / or additionally, it is possible to use a projection device 37 in the motor vehicle 1 provided. By means of the projection device 37 For example, an opportunity may be provided by an imaging device, such as a car DVD player and / or other medium, to image and / or film automotive windows of the motor vehicle 1 to project and over the existing, outward acting speaker 17 from the outside on the car window to see the film and / or the like. This can be done, for example, in the sense of an open-air cinema during a break and / or especially for this purpose.

Alternatively and / or additionally, it is possible to use the outwardly acting loudspeaker 17 for a wide variety of tonal possibilities, including within the motor vehicle 1 are possible to use, for example, a playback of a radio, a CD, a DVD, a stringing medium. Under loudspeaker 17 . 27 can also be understood a variety of speakers, for example, to allow stereo and / or ambient sound reproduction.

Alternatively and / or additionally, it is possible to automatically change between one by means of the inwardly acting loudspeaker 27 on the external speaker 17 make. This can in particular in response to one or more parameters, such as a signal of a temperature sensor, for example, at high temperatures, a different sound is reproducible than at low temperatures, a signal of a brightness sensor, for example, at a high brightness, another sound is played , as in a darkness, a signal of a weather sensor, the sound may be weather dependent, a driving signal, a gear detection signal that indicates an engaged forward or reverse, the sound can be played depending on driving forward or reverse, a gear or gear change signal, wherein depending on the gear engaged a different sound is reproducible, a motor speed signal, the speed of the drive source 9 of the motor vehicle 1 characterized in that the sound can be reproduced speed-dependent, an energy signal, the energy flow of the drive source 9 characterized in that the sound can be reproduced depending on the energy flow, and / or act like.

Alternatively and / or additionally the sound with the environment cloud can 33 be synchronized, for example via sensors, mobile, Bluetooth and / or others. It is possible, for example, to play or suppress a sound on certain sections of track and / or at certain predefined locations. It is possible, for example, to suppress the reproduction of the sound when leaving a parking space, for example a garage, and then to switch it on when driving the motor vehicle 1 as far as continued, that the place or the garage is out of hearing or reach. This can be used to advantage For example, residents, such as neighbors not to disturb.

Alternatively and / or additionally, it is possible to release the sound to the outside by means of the loudspeaker 17 depending on the environment cloud 33 mandatory to ensure, for example, in certain areas a security. The areas may, for example, be a department store, whereby a standard sound is necessarily reproduced for the period of a corresponding parking garage use, for example an entrance and exit, in order to ensure safety in the parking garage, in particular so that pedestrians hear it, when the motor vehicle 1 approaches. This principle can be advantageously transferred to any location.

At the drive source 9 of the motor vehicle 1 It may advantageously be a so-called alternative drive, the no engine noise or at least one outside of the motor vehicle 1 not or at least poorly perceptible engine noise or drive noise gives act. The drive source 9 For this purpose, for example, it can be designed purely electrically or, if it has an internal combustion engine, have an automatic start / stop mechanism which switches off the internal combustion engine at least temporarily. Advantageously, nevertheless, by means of the noise 19 a thereby missing engine sound can be replaced, so that nevertheless a differentiating feature is advantageous. In addition, it is possible to further road users, which is the motor vehicle 1 approaches, for example pedestrians, in front of the approaching motor vehicle 1 through the noise 19 to warn. Through an installation of the speaker 17 and / or more of the speakers 17 it is advantageously possible the noise 19 to transmit to the outside, in particular in place of an otherwise existing drive noise, in particular engine noise. In addition, it is advantageously possible over the other speakers 27 the further noise 29 in the interior 31 of the motor vehicle 1 to transmit, in particular a characteristic of the motor vehicle 1 the driver 11 to provide. If necessary, this characteristic can affect the driver 11 be personalized.

Advantageously, an individual sound on the vehicle 1 be tailored by a user, the driver 11 can be adjusted and / or alternatively specified.

Advantageously, there is a form of differentiation.

Advantageously, safety can be ensured, for example by standard specifications, wherein these are designed so that the motor vehicle can be heard in certain situations, for example in a parking garage in a garage on a pedestrian crossing.

It is advantageously possible, a vote of vehicles with each other, for example, the motor vehicle 1 and the object 3 allow, for example, during a convoy, a takeover of passing vehicles, especially on driver's request. Advantageous to the combustion noise 7 via the microphone of the receiving unit 23 be recorded and based on the further noise 29 in the interior 31 of the motor vehicle 1 be transmitted.

In a convoy ride, the output sounds may also be synchronized or output so as to facilitate differentiation of the individual vehicles.

LIST OF REFERENCE NUMBERS

1

motor vehicle

3

object

5

internal combustion engine

7

combustion noise

9

a drive source

11

driver

13

Human-machine interface

15

control unit

17

speaker

19

noise

21

state variable

23

receiver unit

25

ambient signal

27

speaker

29

noise

31

Interior of the motor vehicle

33

cloud environment

35

transmission path

37

projection device

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been 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.

Cited patent literature

• DE 60301760 T2 [0002, 0002]

Claims (10)

Method for operating a motor vehicle ( 1 ), with: - operating the motor vehicle ( 1 ) in one by a state variable ( 21 ), - generating an acoustically perceptible sound ( 19 ) as a function of the state variable ( 21 ), characterized in that the state quantity ( 21 ) an environment signal ( 25 ) and the acoustically perceptible noise ( 19 ) depending on the ambient signal ( 25 ) is produced. Method for operating a motor vehicle ( 1 ) according to the preamble of claim 1, in particular according to claim 1, wherein the motor vehicle ( 1 ) a drive source which basically emits a drive noise ( 9 ) and the acoustically perceptible noise ( 19 ) is generated precisely if the drive source does not emit the driving noise or it is so quiet that it is blocked by road users in the vicinity of the motor vehicle ( 1 ) is not perceived. Method according to the preceding claim, characterized in that the drive source ( 9 ) has a start / stop device and that during a stop phase of the drive source ( 9 ) the acoustically perceptible noise ( 19 ) is produced. Method according to one of the preceding claims, characterized in that the drive source ( 9 ) has an electric motor and the electric motor so quietly emits the drive noise that it is from the road users in the vicinity of the motor vehicle ( 1 ) is not perceived and thereby the acoustically perceptible noise ( 19 ) is produced. Method according to one of the preceding claims, characterized by: - generating the sound ( 19 ), so that this outside the motor vehicle ( 1 ) is acoustically perceptible. Method according to one of the preceding claims, characterized by: generating a further sound ( 29 ), so that this in an interior ( 31 ) of the motor vehicle ( 1 ) is acoustically perceptible. Method according to the preceding claim, characterized by at least one of the following: - generating the acoustically perceptible sound ( 19 ) depending on a type of motor vehicle ( 1 ), - generating the acoustically perceptible further sound ( 29 ) depending on the type of motor vehicle ( 1 ), - generating the acoustically perceptible sound ( 19 ) depending on a user specification of a driver ( 11 ) of the motor vehicle ( 1 ), - generating the acoustically perceptible further sound ( 29 ) depending on the user specification of the driver ( 11 ) of the motor vehicle ( 1 ). Method according to one of the preceding claims, characterized by: - generating the acoustically perceptible noise ( 19 ) depending on an environment of the motor vehicle ( 1 ). Method according to the preceding claim, characterized by: recording a driving sound of an object ( 3 ) in the vicinity of the motor vehicle ( 1 ), - generating in the interior ( 31 ) of the motor vehicle ( 1 ) acoustically perceptible further noise ( 29 ) as a function of the recorded driving noise of the object ( 3 ). Motor vehicle ( 1 ) with a drive source ( 9 ), designed, constructed and / or constructed for carrying out a method according to any one of the preceding claims.

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