CN109466425A - Vehicle head lamp control system and method and vehicle and storage medium - Google Patents
Vehicle head lamp control system and method and vehicle and storage medium Download PDFInfo
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- CN109466425A CN109466425A CN201811409067.5A CN201811409067A CN109466425A CN 109466425 A CN109466425 A CN 109466425A CN 201811409067 A CN201811409067 A CN 201811409067A CN 109466425 A CN109466425 A CN 109466425A
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- vehicle
- sound intensity
- head lamp
- intensity information
- lamp control
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- 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
- B60Q1/04—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 the devices being headlights
- B60Q1/14—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 the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
- B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
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- 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
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/42—Indexing codes relating to other road users or special conditions oncoming vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses vehicle head lamp control system and method and vehicle and storage medium, vehicle head lamp control system includes the first acquisition device, the second acquisition device and control device, wherein the first acquisition device, for acquiring the environmental noise of vehicle front；Second acquisition device, for acquiring the environmental noise of rear of vehicle；Control device, it whether there is engine vocal print in the environmental noise of the environmental noise of vehicle front and rear of vehicle for identification, and there are when engine vocal print in environmental noise, the first sound intensity information of engine is extracted from the environmental noise of vehicle front, the second sound intensity information of engine is extracted from the environmental noise of rear of vehicle, and signal is controlled according to the first sound intensity information and the second sound intensity information output headlamp, it is controlled with the headlamp to vehicle.The system and method and vehicle of the application, information collection are influenced small, high sensitivity by weather condition, and far and near darkening control can be realized automatically.
Description
Technical field
The invention belongs to technical field of vehicle more particularly to a kind of vehicle head lamp control method and vehicles and vehicle
Headlamp control method and storage medium.
Background technique
With the continuous development of automotive industry, vehicle safety gradually becomes people's topic of concern, and driving at night accounts for whole
The a quarter of a highway communication, the illuminating effect of road will directly affect the traffic safety of driving at night.Currently, for vehicle
The transformation of far and near light mostly uses greatly the manual operation mode of hand driving lever, and sighting distance is shorter, and part driver is in meeting
It is easy to forget that darkening operates, dazzling the eyes for oncoming vehicle driver is caused, and then lead to a disaster.
In view of the above-mentioned problems, disclosing a kind of night safe driving Full-automatic lamp light shifter, such as Fig. 1 in the related technology
Shown, which includes processor 10 ', and processor 10 ' is connected with storage chip 20 ', and the connection of storage chip 20 ' is arranged in automobile
The camera module 30 ' of front end, camera module 30 ' include camera and the webcam driver circuit for driving camera, processing
Device 10 ' is also connected with car light control switching circuit 40 ', car light control switching circuit 40 ' respectively with the high beam of automobile and dipped headlight
Connection, processor 10 ' are also connected with usb circuit 50 ', TF interface circuit 60 ' and TFT output circuit 70 ', which can basis
What the vehicle lamp brightness of opposite vehicle judged that it opens is high beam or dipped headlight, and then carries out corresponding distance-light to oneself vehicle
Switching allows the vehicle for being mounted with the present apparatus to be switched to dipped beam from distance light automatically in crossing in vehicle for meeting, can effectively reduce
Because of accident caused by distance light in meeting, and the device is more accurate than the device judged using photo resistance, can not
It is influenced by night and fog, it is more accurate to judge, is a kind of Full-automatic lamp light shifter for being relatively suitble to promote.
But using optical camera, it is easy the interference by weather in practical applications, it is especially tight in sand and dust or haze
When weight, the light sensation acquisition sensitivity of weakening of the propagation of light by dust and particulate matter, optical camera will decline, when serious
The delay of automatic beam change even cannot achieve the automatic beam change of distance-light when will lead to meeting.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
First purpose be to propose a kind of vehicle head lamp control system, and the vehicle head lamp control system is, it can be achieved that distance-light
Automatically switch, is not affected by the weather.
Second purpose of the invention is to propose a kind of vehicle including above system.
Third purpose of the present invention is to propose a kind of vehicle head lamp control method.
4th purpose of the invention is to propose a kind of storage medium.
In order to achieve the above object, the vehicle head lamp control system of first aspect present invention embodiment, comprising: first adopts
Acquisition means, for acquiring the environmental noise of vehicle front；Second acquisition device, for acquiring the environmental noise of rear of vehicle；Control
Device processed whether there is in the environmental noise of the environmental noise of the vehicle front and the rear of vehicle start for identification
Machine vocal print, and there are when engine vocal print in the environmental noise, extracted from the environmental noise of the vehicle front described in
First sound intensity information of engine extracts the second sound intensity information of the engine from the environmental noise of the rear of vehicle,
And signal is controlled according to first sound intensity information and second sound intensity information output headlamp, with the preceding photograph to the vehicle
Lamp is controlled.
Vehicle head lamp control system according to an embodiment of the present invention, is adopted using the first acquisition device and the second acquisition device
Collect noise signal, according to noise signal carry out engine Application on Voiceprint Recognition and when judgement has vehicle by sound intensity information judge come
Vehicle situation is not necessarily to human intervention to carry out automatically controlling to headlamp, and acquires information using anoptic system, will not be by it
His light or boisterous interference, it is sensitiveer.
In some embodiments, the control device is defeated according to first sound intensity information and second sound intensity information
It is specifically used for when headlamp control signal out, the vehicle is judged according to first sound intensity information and second sound intensity information
Front or behind whether have and carry out vehicle, and judge the front or behind of the vehicle have carry out vehicle when, according to first sound intensity
Information calculates the first sound intensity variable quantity, the second sound intensity variable quantity is calculated according to second sound intensity information, according to first sound
Strong variable quantity and second sound intensity variable quantity judge direction to the car, export the headlamp control letter according to the direction to the car
Number.
In some embodiments, the control device is sentenced according to first sound intensity information and second sound intensity information
Whether the front or behind of the vehicle of breaking has when carrying out vehicle and is specifically used for, according to first sound intensity information and the rising tone
When strong information judges that sound intensity signal synchronizes increase, judges that the front or behind of the vehicle has and carry out vehicle.
In some embodiments, the control device is according to first sound intensity variable quantity and second sound intensity variation
Amount judges to be specifically used for when direction to the car, when first sound intensity variable quantity is greater than second sound intensity variable quantity described in judgement
Have in front of vehicle and carry out vehicle, alternatively, judging when first sound intensity variable quantity is less than or equal to second sound intensity variable quantity
The rear of the vehicle, which has, to be come vehicle or meeting and terminates.
In some embodiments, the control device is exporting the headlamp control signal tool according to the direction to the car
Body is used for, and is had when carrying out vehicle in front of the vehicle, and the high beam of the dipped headlight illumination and the vehicle that export the vehicle closes
The control signal closed, alternatively, after the vehicle meeting, the dipped headlight for exporting the vehicle close and the vehicle it is remote
Light lamp illumination control signal, alternatively, the rear of the vehicle have carry out vehicle when, maintain currently export to the vehicle before
The control signal of illuminator.Before when controlling to realize the darkening at the end of meeting and meeting, and overtaking other vehicles to front vehicle
Illuminator control.
In some embodiments, first acquisition device is mounted on the left front portion of the vehicle, the second acquisition dress
The left back portion for being mounted on the vehicle is set, suitable for the area of right lateral mechanism, the sensitivity of information collection can be improved.
In some embodiments, the vehicle head lamp control system further includes car networking device, the car networking device
Carry out vehicle for sending to close in front of high beam alerting signal to the vehicle when receiving user input instruction, before reminding
Side carrys out vehicle driver and switches headlamp light, safety when improving meeting.
In some embodiments, the vehicle head lamp control system further includes switching device, and the switching device is used for
It receives user's triggering command and starts the vehicle head lamp control system work.
In order to achieve the above object, the vehicle of second aspect of the present invention embodiment, including headlamp, car body controller and such as
Vehicle head lamp control system described in first aspect embodiment.
Vehicle according to an embodiment of the present invention can by using the vehicle head lamp control system of first aspect embodiment
With according to the different automatic controls come the realization of vehicle situation to headlamp, high sensitivity is not affected by weather conditions.
In order to achieve the above object, the vehicle head lamp control method of third aspect present invention embodiment, vehicle include: acquisition
The environmental noise of vehicle front and the environmental noise for acquiring rear of vehicle；Identify the environmental noise in the vehicle front and institute
It states in the environmental noise of rear of vehicle with the presence or absence of engine vocal print；There are when engine vocal print in the environmental noise, from
The first sound intensity information of the engine, the environmental noise from the rear of vehicle are extracted in the environmental noise of the vehicle front
Middle the second sound intensity information for extracting the engine；According to photograph before first sound intensity information and second sound intensity information output
Lamp controls signal, is controlled with the headlamp to the vehicle.
Vehicle head lamp control method according to an embodiment of the present invention acquires noise signal, is sent out according to noise signal
Motivation Application on Voiceprint Recognition and judged when judgement has vehicle by sound intensity information come vehicle situation, is realized pair according to difference come vehicle situation
The automatic control of headlamp is not necessarily to human intervention, and acquires noise using anoptic system, will not be by other light or severe
The interference of weather, it is sensitiveer.
In some embodiments, according to first sound intensity information and second sound intensity information output headlamp control letter
Number specifically include: according to first sound intensity information and second sound intensity information judge the vehicle front or behind whether
Have and carrys out vehicle；The front or behind for judging the vehicle have carry out vehicle when, according to first sound intensity information calculate first sound intensity become
Change amount calculates the second sound intensity variable quantity according to second sound intensity information, according to first sound intensity variable quantity and described second
Sound intensity variable quantity judges direction to the car；The headlamp, which is exported, according to the direction to the car controls signal.
In some embodiments, described that the vehicle is judged according to first sound intensity information and second sound intensity information
Front or behind whether have when carrying out vehicle and specifically include: according to first sound intensity information and second sound intensity information judgement
When sound intensity signal synchronizes amplification, judges that the front or behind of the vehicle has and carry out vehicle.
In some embodiments, described to be judged according to first sound intensity variable quantity and second sound intensity variable quantity come vehicle
It is specifically included when direction: judging the front of the vehicle when first sound intensity variable quantity is greater than second sound intensity variable quantity
Have and carrys out vehicle；Alternatively, judging the vehicle when first sound intensity variable quantity is less than or equal to second sound intensity variable quantity
Rear, which has, to be come vehicle or meeting and terminates.
In some embodiments, described to be specifically included according to the direction to the car output headlamp control signal:
Have when carrying out vehicle in front of the vehicle, exports the dipped headlight illumination of the vehicle and the control of the far-reaching headlamp turn-off of vehicle letter
Number；Alternatively, after the vehicle meeting, what the high beam of the dipped headlight closing and the vehicle that export the vehicle illuminated
Control signal, alternatively, the rear of the vehicle have carry out vehicle when, maintain the control of the headlamp to the vehicle currently exported
Signal.To which headlamp when realizing and control the darkening at the end of meeting and meeting, and overtaking other vehicles to front vehicle controls.
In some embodiments, the environmental noise for acquiring vehicle front and the environmental noise for acquiring rear of vehicle specifically wrap
Include: the first acquisition device by being mounted on the left front portion of the vehicle acquires the environmental noise of the vehicle front；By being mounted on
Second acquisition device in the left back portion of the vehicle acquires the environmental noise of the rear of vehicle, the ground suitable for right lateral mechanism
The sensitivity of information collection can be improved in area.
In some embodiments, the vehicle head lamp control method further include: when receiving user input instruction, lead to
It crosses car networking and sends to close in front of high beam alerting signal to the vehicle and carry out vehicle, safety when improving meeting.
In order to achieve the above object, the non-transitorycomputer readable storage medium of fourth aspect present invention embodiment,
On be stored with computer program, vehicle described in third aspect embodiment may be implemented in the computer program when being executed by processor
Headlamp control method.
Third party above can be achieved by storing in non-transitorycomputer readable storage medium according to an embodiment of the present invention
The computer program of the vehicle head lamp control method of face embodiment provides basis for the realization of the control method.
Detailed description of the invention
Fig. 1 is the block diagram of one of the relevant technologies night safe driving Full-automatic lamp light shifter；
Fig. 2 is the block diagram of vehicle head lamp control system according to an embodiment of the invention；
Fig. 3 is the schematic diagram of the voice signal obtained after discretization according to an embodiment of the invention；
Fig. 4 is the schematic diagram of the installation site of acquisition device according to an embodiment of the invention；
Fig. 5 is the block diagram of vehicle head lamp control system according to an embodiment of the invention；
Fig. 6 is signal flow diagram during vehicle head lamp control system according to an embodiment of the invention；
Fig. 7 is the block diagram of vehicle according to an embodiment of the invention；
Fig. 8 is the flow chart of vehicle head lamp control method according to an embodiment of the invention；
Fig. 9 is the flow chart of vehicle head lamp control method according to another embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The vehicle head lamp control system of embodiment according to a first aspect of the present invention is described with reference to the accompanying drawings.
Fig. 2 is the block diagram of vehicle head lamp control system according to an embodiment of the invention, as shown in Fig. 2, this hair
The vehicle head lamp control system 100 of bright embodiment includes the first acquisition device 10, the second acquisition device 20 and control device 30.
In an embodiment of the present invention, the first acquisition device 10 is used to acquire the environmental noise of vehicle front；Second acquisition
Device 20 is used to acquire the environmental noise of rear of vehicle；Control device 30 is for identification in the environmental noise of vehicle front and vehicle
It whether there is engine vocal print in the environmental noise at rear, and there are when engine vocal print in environmental noise, from vehicle front
Environmental noise in extract engine the first sound intensity information, from the environmental noise of rear of vehicle extract engine the rising tone
Strong information, and according to the first sound intensity information and the second sound intensity information output headlamp control signal, with the headlamp to vehicle into
Row control.
Specifically, the first acquisition device 10 and the second acquisition device 20 may include such as microphone or other sound
The noise information of acquisition to acquire the noise information of vehicle front and back, and is sent to control device 30 by sensor, the application's
Acquisition device uses non-optical structure, not will receive the interference of non-vehicle light or light, will not be influenced by boisterous.
Control device 30 handles noise information, such as carries out sliding-model control, institute in available similar Fig. 3 to noise information
The discrete voice signal shown.The database of various vehicle motor spectrum signatures is prestored in control device 30, is based on the data
Library carries out Application on Voiceprint Recognition to the noise information of acquisition, and identifying in the noise information of vehicle front and the noise information of rear of vehicle is
No there are engine vocal prints, if there is engine vocal print, it is believed that the voice of acquisition comes from vehicle, rather than other objects reach
To the purpose of identification vehicle.There are when engine vocal print in environmental noise, it is believed that vehicle front or rear, which may have, carrys out vehicle, comes
Vehicle can be understood as the vehicle that the vehicle or rear with this vehicle meeting will overtake other vehicles.It is mentioned from the environmental noise of vehicle front
The first sound intensity information for taking engine is extracted the second sound intensity information of engine from the environmental noise of rear of vehicle, that is, is extracted
The sound intensity information of engine audio.Carry out vehicle or rear has when carrying out vehicle, first sound intensity it is understood that having in front of vehicle
Information and the second sound intensity information can change, and when carrying out vehicle for different directions the sound intensity information of engine variation not
Together, and the engine of vehicle itself issue noise should be indeclinable.So by the first sound intensity information and the rising tone
Strong analysis can decide whether that coming in front of vehicle and judgement to have vehicle or rear to have carrys out vehicle.It is preceding when different directions carry out vehicle
The illumination rule of illuminator, that is, high beam and dipped headlight is different, can export different headlamp control signals, in turn, control device
30 can be sent to headlamp control signal the car body controller of vehicle, and car body controller can control signal according to headlamp
The headlamp of vehicle is controlled, to realize the headlamp control under the different driving states.
Vehicle head lamp control system 100 according to an embodiment of the present invention, using the first acquisition device 10 and the second acquisition
Device 20 acquires noise signal, carries out engine Application on Voiceprint Recognition according to noise signal and is believed when judgement has vehicle by the sound intensity
Breath judgement carrys out vehicle situation, according to the different automatic controls come the realization of vehicle situation to headlamp, is not necessarily to human intervention, and using non-
Collection optical system information, will not be sensitiveer by other light or boisterous interference.
In some embodiments, control device 30 is exporting headlamp control according to the first sound intensity information and the second sound intensity information
Be specifically used for when signal processed, according to the first sound intensity information and the second sound intensity information judge vehicle front or behind whether have come
Vehicle, and judge the front or behind of the vehicle have carry out vehicle when, according to the first sound intensity information calculate the first sound intensity variable quantity, root
The second sound intensity variable quantity is calculated according to the second sound intensity information, according to the first sound intensity variable quantity and the judgement of the second sound intensity variable quantity come vehicle side
To according to direction to the car output headlamp control signal.
Specifically, the front or behind of vehicle have carry out vehicle when, carry out the engine that the vehicle the close apart from this vehicle, detects
The sound intensity can be bigger, thus can be according to the variation of the sound intensity to determine whether having come vehicle, in some embodiments, according to first
When sound intensity information and the second sound intensity information judge the synchronous increase of sound intensity signal, judges that the front or behind of this vehicle has and carry out vehicle.
Also, due to the presence of Doppler effect, meeting or while overtaking other vehicles have in other words vehicle close to or far from when, this vehicle
The voice signal for the engine that upper first detection device 10 and second detection device 20 detect is different, the sound of engine
The variation of intensity, that is, sound intensity is different, therefore, it is possible to judge direction to the car according to the sound intensity variable quantity of front and back detection.?
In some embodiments, the first sound intensity information and the second sound intensity information are obtained, and calculate the first sound intensity variable quantity example in preset time
It is such as denoted as the Δ engine sound intensity (front), and calculates the second sound intensity variable quantity in preset time and is for example denoted as the Δ engine sound intensity
(rear portion).Control device 30 is specifically used for when judging direction to the car according to the first sound intensity variable quantity and the second sound intensity variable quantity,
The first sound intensity variable quantity be greater than the second sound intensity variable quantity when, i.e., when the Δ engine sound intensity (front) > Δ engine sound intensity (after
Portion) when, judge there is vehicle in front of vehicle, i.e., front has vehicle that will carry out meeting with this vehicle, alternatively, changing in first sound intensity
When amount is less than or equal to the second sound intensity variable quantity, i.e., when the Δ engine sound intensity (front)≤Δ engine sound intensity (rear portion), sentence
The rear of disconnected vehicle, which has, comes that vehicle i.e. front vehicle will overtake other vehicles or meeting terminates.
In an embodiment of the present invention, have in front of vehicle come vehicle i.e. meeting when, control device 30 export vehicle it is close
The control signal of the illumination of light lamp and the far-reaching headlamp turn-off of vehicle, for example, exporting nearly optical control signal is true and remote optical control signal
It is false, and passes through rigid line or vehicle CAN, it is desirable that car body controller closing far turns off the light and opens dipped headlight, thus, realize vehicle meeting
The automatic beam change of long-and-short distant light when vehicle.Alternatively, the dipped headlight for exporting vehicle is closed and the distance light of vehicle after vehicle meeting
The control signal of lamp illumination, and car body controller is controlled by the CAN of rigid line or vehicle and exports high beam illumination, thus meeting knot
Automatic beam change after beam；Alternatively, having the control letter for the headlamp to vehicle that when carrying out vehicle, maintenance is currently exported at the rear of vehicle
Number, it is thus possible to which this vehicle can continue to move ahead safely when front vehicle is overtaken other vehicles.
Road right lateral mechanism is used in view of some areas, head-on meeting or is overtaken other vehicles in vehicle left side, in reality of the invention
It applies in example, for the sensitivity for guaranteeing sampling, the first acquisition device 10 and the second acquisition device 20 are respectively positioned on vehicle left side, wherein
As shown in figure 4, the first acquisition device 10 is mounted on the left front portion of vehicle, such as it is installed near left headlight position；Second acquisition
Device 20 is mounted on the left back portion of vehicle, such as is installed on left back adjacent lamp.Certainly, for using road left lateral mechanism
Area then be located at vehicle right side equivalent locations, with guarantee sampling sensitivity.
The vehicle head lamp control system 100 of the embodiment of the present invention can be realized by above procedure and be existed to separate unit vehicle
The automatic control of meeting or houselights when overtaking other vehicles similarly, can be with if the information processing rate of control device 30 is enough fast
According to above procedure, the automatic control of more vehicle meeting distance-lights under complex environment is realized by the way of sound intensity superposition.
In some embodiments, as shown in figure 5, vehicle head lamp control system 100 further includes switching device 40, switch dress
40 are set for receiving user's triggering command and starting the work of vehicle head lamp control system, passes through the behaviour to switching device 40 in other words
It can achieve the effect of system activation.
Specifically, as shown in fig. 6, issuing remote optical control signal and nearly optical control signal after the unlatching of switching device 40
Or user's triggering command of CAN signal to control device 30, the first acquisition device 10 and the activation of the second acquisition device 20 enters
Working condition acquires the environmental noise of vehicle front and the environmental noise at rear, and acquisition signal is transmitted to control device 30,
Control device 30 controls car body controller output after receiving user's triggering command and far turns off the light, and passes through vehicle CAN or rigid line,
Remote optical control signal or nearly optical control signal are issued to car body controller according to the direction to the car of judgement, with to far turning off the light and dipped beam
Lamp carries out automatically controlling, and realizes the automatic beam change in the case of meeting.
In some embodiments, as shown in figure 5, vehicle head lamp control system further includes car networking device 50, car networking
For example vehicle-mounted T-BOX of device 50 closes high beam alerting signal to vehicle for sending when receiving user input instruction
Vehicle is carried out in front.Specifically, it is based on car networking technology, vehicle is interconnected, in meeting, if this vehicle driver discovery heads on
Vehicle closes high beam not in time, for the sake of security, can send alerting signal by car networking device 50 to carry out good will
It reminds, improves safety when meeting.
In short, the vehicle head lamp control system 100 of the embodiment of the present invention only needs the first acquisition device 10 and second
Acquisition device 20 such as two audio sensors or microphone are not related to complicated external circuit, also, use non-optical sensing
Device, not by adverse weather conditions, can operate with misty rain, sand and dust or tight not by the interference of non-vehicle light and light, more Ling Mei
The occasion of heavy fog haze, it is applied widely.
Vehicle head lamp control system based on above example, below to the vehicle of second aspect of the present invention embodiment into
Row explanation.
Fig. 7 is the block diagram of vehicle according to an embodiment of the invention, as shown in fig. 7, the vehicle of the embodiment of the present invention
Before 1000 vehicles including headlamp 200 such as high beam and dipped headlight, car body controller 300 and first aspect embodiment above
Illuminator control system 100, wherein the structure and the course of work of vehicle head lamp control system 100 are referring to first aspect embodiment
Description, headlamp that car body controller 300 is exported according to vehicle head lamp control system 200 control signal is to headlamp 200
It is controlled, realizes that darkening when vehicle meeting automatically controls.
Vehicle 1000 according to an embodiment of the present invention, by using the vehicle head lamp control system of first aspect embodiment
100, it can be according to the different automatic controls come the realization of vehicle situation to headlamp 200, high sensitivity, not by the shadow of weather condition
It rings.
The vehicle head lamp control method of embodiment according to a third aspect of the present invention is described with reference to the accompanying drawings.
Fig. 8 is the flow chart of vehicle head lamp control method according to an embodiment of the invention, as shown in figure 8, this
The vehicle head lamp control method of inventive embodiments includes:
S1 acquires the environmental noise of vehicle front and acquires the environmental noise of rear of vehicle.
Specifically, environmental noise can be acquired by audio sensor, also, normally audio sensor belongs to non-light
Learn sensor, such as microphone or other can acquire the sensor of voice.
In some embodiments, based on the considerations of to meeting or when overtaking other vehicles, planning driving path can in order to guarantee sampling sensitivity
To be appropriately arranged with the position of acquisition device, for example, being adopted for the area of right lateral mechanism by being mounted on the first of left front portion of vehicle
The environmental noise of acquisition means acquisition vehicle front；The second acquisition device by being mounted on the left back portion of vehicle acquires rear of vehicle
Environmental noise.Certainly, for the area of left lateral mechanism, acquisition device can be installed on vehicle right side equivalent locations.
S2, identification whether there is engine vocal print in the environmental noise of vehicle front and the environmental noise of rear of vehicle.
Specifically, the database that various vehicle motor spectrum signatures can be prestored, based on the database to acquisition
Noise information carries out Application on Voiceprint Recognition, and identifying, which whether there is in the noise information of vehicle front and the noise information of rear of vehicle, starts
Machine vocal print, if there is engine vocal print, it is believed that acquisition is the voice from vehicle, rather than other things, reaches identification
The purpose of vehicle.
S3 extracts the of engine there are when engine vocal print in environmental noise from the environmental noise of vehicle front
One sound intensity information extracts the second sound intensity information of engine from the environmental noise of rear of vehicle.
S4 controls signal according to the first sound intensity information and the second sound intensity information output headlamp, with the headlamp to vehicle
It is controlled.
Specifically, have in front of vehicle and carry out vehicle or rear has when carrying out vehicle, the first sound intensity information and the second sound intensity information
When can change, and carry out vehicle for different directions the variation of the sound intensity information of engine is different, and vehicle itself starts
The noise that machine issues should be indeclinable.So may determine that by the analysis to the first sound intensity information and second sound intensity is
It is no have carry out vehicle and judgement front has and carrys out vehicle or rear has and carrys out vehicle.When different directions carry out vehicle, headlamp, that is, high beam and dipped beam
The illumination rule of lamp is different, can export different headlamp control signals, and in turn, headlamp control signal can be sent to
The car body controller of vehicle, car body controller can control the headlamp of vehicle according to headlamp control signal, with
Realize the headlamp control under different driving states.
Vehicle head lamp control method according to an embodiment of the present invention acquires noise signal, is sent out according to noise signal
Motivation Application on Voiceprint Recognition and judged when judgement has vehicle by sound intensity information come vehicle situation, is realized pair according to difference come vehicle situation
The automatic control of headlamp is not necessarily to human intervention, and acquires noise using anoptic system, will not be by other light or severe
The interference of weather, it is sensitiveer.
In an embodiment of the present invention, signal is being controlled according to the first sound intensity information and the second sound intensity information output headlamp
When, firstly, judging whether the front or behind of vehicle has come vehicle according to the first sound intensity information and the second sound intensity information.It is specific next
Say there is that when carrying out vehicle, the sound intensity for carrying out the engine that the vehicle the close apart from this vehicle, detects can be bigger in the front or behind of vehicle, because
And it can be according to the variation of the sound intensity to determine whether having come vehicle, in some embodiments, according to the first sound intensity information and second
When sound intensity information judges that sound intensity signal synchronizes increase, judges that the front or behind of this vehicle has and carry out vehicle.
Further, the front or behind for judging vehicle have carry out vehicle when, then according to the first sound intensity information calculate the first sound
Strong variable quantity calculates the second sound intensity variable quantity according to the second sound intensity information, is changed according to the first sound intensity variable quantity and second sound intensity
Amount judges direction to the car.Specifically, due to the presence of Doppler effect, have vehicle close in other words in meeting or while overtaking other vehicles or
When separate, the audio signal of the engine of this vehicle front and back detection is different, intensity of sound, that is, sound intensity change of engine
Change is different, therefore, it is possible to judge direction to the car according to the sound intensity variable quantity of front and back detection.In some embodiments,
The first sound intensity information and the second sound intensity information are obtained, and calculates the first sound intensity variable quantity in preset time and is for example denoted as Δ engine
The sound intensity (front), and calculate the second sound intensity variable quantity in preset time and be for example denoted as the Δ engine sound intensity (rear portion).First
When sound intensity variable quantity is greater than the second sound intensity variable quantity, i.e., when the Δ engine sound intensity (front) > Δ engine sound intensity (rear portion), sentence
Have in front of disconnected vehicle and carry out vehicle, i.e., front has vehicle that will carry out meeting with this vehicle, alternatively, be less than in the first sound intensity variable quantity or
When equal to the second sound intensity variable quantity, i.e., when the Δ engine sound intensity (front)≤Δ engine sound intensity (rear portion), judge vehicle
Rear, which has, comes that vehicle i.e. front vehicle will overtake other vehicles or meeting terminates.
Further, headlamp is exported according to direction to the car and controls signal.Carry out vehicle i.e. meeting for example, having in front of vehicle
Che Shi exports the dipped headlight illumination of vehicle and the control signal of the far-reaching headlamp turn-off of vehicle, specific for example, output dipped beam control letter
Number be true and remote optical control signal be false, and pass through rigid line or vehicle CAN, it is desirable that car body controller close far turns off the light and opens it is close
Light lamp, thus, the automatic beam change of long-and-short distant light when realizing vehicle meeting.Alternatively, exporting the close of vehicle after vehicle meeting
Light lamp is closed and the control signal of the high beam of vehicle illumination, and controls car body controller output by the CAN of rigid line or vehicle
High beam illumination, thus the automatic beam change after realizing meeting；Alternatively, thering is when carrying out vehicle, maintenance is current to export in rear of vehicle
The headlamp to vehicle control signal, that is, continue safety move ahead.
Based on the explanation above to vehicle head lamp control method, an implementation according to the present invention is shown referring to Fig. 9
The flow chart of the vehicle head lamp control method of example, specifically includes:
S801, judges whether switching device activates, if activation enters step S802, otherwise continues this step.
S802, control high beam are opened, and acquisition device acquires vehicle front and back environmental noise.
Above two step realizes the activation of system.
S803 carries out sliding-model control to environmental noise, judges whether there is engine vocal print, if it is present into
Step S804, otherwise continues this step.
S804 extracts engine sound intensity information, i.e. the first sound intensity information and the second sound intensity information.
Above two step realizes vehicle identification.
S805 judges whether the engine sound intensity signal of front and back acquisition is synchronous and increases, if it is entering step S806,
Otherwise continue this step.
Above step S805 realization, which judges whether there is, carrys out vehicle.
S806 judges whether to meet the Δ engine sound intensity (front) > Δ engine sound intensity (rear portion), if so, entering step
Rapid S807, otherwise enters step S809.
S807 determines that vehicle front has and carrys out vehicle and will carry out meeting.
S808, export nearly optical control signal be true and remote optical control signal be it is false, be switched to closely when realizing meeting by distance light
Light, and return step S806.
S809 determines that front meeting finishes or rear has to carry out vehicle and will overtake other vehicles.
S810 exports remote optical control signal, thus far lighting control when restoring distance light after realizing meeting or overtaking other vehicles.
And enter next logic loops, return step S805.
In some embodiments, it is based on car networking technology, vehicle is interconnected, in meeting, if this vehicle driver
It was found that oncoming vehicle closes high beam not in time, for the sake of security, alerting signal can be sent by car networking device, connect
When receiving user input instruction, sends to close in front of high beam alerting signal to vehicle and carry out vehicle, improve safety.
In short, the vehicle head lamp control method of the embodiment of the present invention, by noise gathering, by using taking optics
Sensor, is influenced small by ambient weather, and high sensitivity, applicable situation is more, meeting may be implemented or overtake other vehicles and meeting at the end of
Headlamp darkening automatic control, be not necessarily to human intervention.
Based on the vehicle head lamp control method of third aspect embodiment above, the non-of fourth aspect present invention embodiment faces
When property computer readable storage medium, is stored thereon with computer program, can be real when which is executed by processor
The vehicle head lamp control method of third aspect embodiment above now.
Third party above can be achieved by storing in non-transitorycomputer readable storage medium according to an embodiment of the present invention
The computer program of the vehicle head lamp control method of face embodiment provides basis for the realization of the control method.
It should be noted that in the description of this specification, any mistake described otherwise above in flow chart or herein
Journey or method description are construed as, and expression includes the steps that one or more for realizing specific logical function or process
Executable instruction code module, segment or part, and the range of the preferred embodiment of the present invention includes other
Realize, wherein sequence shown or discussed can not be pressed, including according to related function by it is basic simultaneously in the way of or press
Opposite sequence, Lai Zhihang function, this should be understood by the embodiment of the present invention person of ordinary skill in the field.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (17)
1. a kind of vehicle head lamp control system, which is characterized in that the vehicle head lamp control system includes:
First acquisition device, for acquiring the environmental noise of vehicle front；
Second acquisition device, for acquiring the environmental noise of rear of vehicle；
Whether control device is deposited in the environmental noise of the environmental noise of the vehicle front and the rear of vehicle for identification
It is mentioned from the environmental noise of the vehicle front in engine vocal print, and in the environmental noise there are when engine vocal print
The first sound intensity information for taking the engine, extracts second sound intensity of the engine from the environmental noise of the rear of vehicle
Information, and signal is controlled according to first sound intensity information and second sound intensity information output headlamp, to the vehicle
Headlamp controlled.
2. vehicle head lamp control system according to claim 1, which is characterized in that the control device is according to
It is specifically used for when the first sound intensity information and second sound intensity information output headlamp control signal, is believed according to first sound intensity
It ceases and second sound intensity information judges whether the front or behind of the vehicle has and carrys out vehicle, and in the front for judging the vehicle
Or rear has when carrying out vehicle, the first sound intensity variable quantity is calculated according to first sound intensity information, according to second sound intensity information meter
The second sound intensity variable quantity is calculated, direction to the car is judged according to first sound intensity variable quantity and second sound intensity variable quantity, according to
The direction to the car exports the headlamp and controls signal.
3. vehicle head lamp control system according to claim 2, which is characterized in that the control device is according to
First sound intensity information and second sound intensity information judges whether the front or behind of the vehicle has when carrying out vehicle and is specifically used for,
When judging the synchronous increase of sound intensity signal according to first sound intensity information and second sound intensity information, before judging the vehicle
Side or rear, which have, carrys out vehicle.
4. vehicle head lamp control system according to claim 3, which is characterized in that the control device is according to
First sound intensity variable quantity and second sound intensity variable quantity judge to be specifically used for when direction to the car, in first sound intensity variable quantity
Judge to have in front of the vehicle when greater than second sound intensity variable quantity and carry out vehicle, alternatively, small in first sound intensity variable quantity
Judge that the rear of the vehicle has when second sound intensity variable quantity to come vehicle or meeting and terminate.
5. vehicle head lamp control system according to claim 4, which is characterized in that the control device is according to
Direction to the car exports headlamp control signal and is specifically used for, and has when carrying out vehicle in front of the vehicle, exports the vehicle
Dipped headlight illumination and the control signal of the far-reaching headlamp turn-off of the vehicle export institute alternatively, after the vehicle meeting
The dipped headlight for stating vehicle is closed and the control signal of the high beam of vehicle illumination；Alternatively, having to come at the rear of the vehicle
Che Shi maintains the control signal of the headlamp to the vehicle currently exported.
6. vehicle head lamp control system according to claim 1, which is characterized in that first acquisition device is mounted on
The left front portion of the vehicle, second acquisition device are mounted on the left back portion of the vehicle.
7. vehicle head lamp control system according to claim 4, which is characterized in that the vehicle head lamp control system
It further include car networking device, the car networking device, which is used to send when receiving user input instruction to close high beam and remind, to be believed
Number to carrying out vehicle in front of the vehicle.
8. vehicle head lamp control system according to claim 1-7, which is characterized in that the vehicle head lamp
Control system further includes switching device, and the switching device is for receiving user's triggering command and starting the vehicle head lamp control
System work processed.
9. a kind of vehicle, which is characterized in that the vehicle includes headlamp, car body controller and any one of such as claim 1-8
The vehicle head lamp control system.
10. a kind of vehicle head lamp control method, which is characterized in that the vehicle head lamp control method includes:
It acquires the environmental noise of vehicle front and acquires the environmental noise of rear of vehicle；
Identification whether there is engine vocal print in the environmental noise of the vehicle front and the environmental noise of the rear of vehicle；
There are when engine vocal print in the environmental noise, the engine is extracted from the environmental noise of the vehicle front
The first sound intensity information, the second sound intensity information of the engine is extracted from the environmental noise of the rear of vehicle；
Signal is controlled according to first sound intensity information and second sound intensity information output headlamp, before to the vehicle
Illuminator is controlled.
11. vehicle head lamp control method according to claim 10, which is characterized in that according to first sound intensity information
It is specifically included with second sound intensity information output headlamp control signal:
Judge whether the front or behind of the vehicle has come vehicle according to first sound intensity information and second sound intensity information；
The front or behind for judging the vehicle have carry out vehicle when, according to first sound intensity information calculate first sound intensity variation
Amount calculates the second sound intensity variable quantity according to second sound intensity information, according to first sound intensity variable quantity and the rising tone
Strong variable quantity judges direction to the car；
The headlamp, which is exported, according to the direction to the car controls signal.
12. vehicle head lamp control method according to claim 11, which is characterized in that described according to first sound intensity
Information and second sound intensity information judge whether the front or behind of the vehicle has when carrying out vehicle and specifically include:
When judging the synchronous amplification of sound intensity signal according to first sound intensity information and second sound intensity information, the vehicle is judged
Front or behind have and carry out vehicle.
13. vehicle head lamp control method according to claim 12, which is characterized in that described according to first sound intensity
Variable quantity and second sound intensity variable quantity judge to specifically include when direction to the car:
Judge to have in front of the vehicle when first sound intensity variable quantity is greater than second sound intensity variable quantity and carrys out vehicle；
Alternatively, judging the rear of the vehicle when first sound intensity variable quantity is less than or equal to second sound intensity variable quantity
Have and comes vehicle or meeting and terminate.
14. vehicle head lamp control method according to claim 13, which is characterized in that described according to the direction to the car
The headlamp control signal is exported to specifically include:
Have when carrying out vehicle in front of the vehicle, exports the dipped headlight illumination of the vehicle and the far-reaching headlamp turn-off of the vehicle
Control signal；
Alternatively, the dipped headlight for exporting the vehicle is closed and the illumination of the high beam of the vehicle after vehicle meeting
Control signal.
Alternatively, the rear of the vehicle have carry out vehicle when, maintain the control signal of the headlamp to the vehicle currently exported.
15. vehicle head lamp control method according to claim 10, which is characterized in that the environment for acquiring vehicle front is made an uproar
Sound and the environmental noise for acquiring rear of vehicle specifically include:
The first acquisition device by being mounted on the left front portion of the vehicle acquires the environmental noise of the vehicle front；
The second acquisition device by being mounted on the left back portion of the vehicle acquires the environmental noise of the rear of vehicle.
16. vehicle head lamp control method according to claim 13, which is characterized in that the vehicle head lamp controlling party
Method further include: when receiving user input instruction, sent by car networking and close high beam alerting signal to the vehicle
Vehicle is carried out in front.
17. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that the meter
The vehicle head lamp control method as described in any in claim 10-16 is realized when calculation machine program is executed by processor.
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| CN201811409067.5A CN109466425B (en) | 2018-11-23 | 2018-11-23 | Vehicle headlamp control system and method, vehicle, and storage medium |
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| CN111712024A (en) * | 2020-06-19 | 2020-09-25 | 东风汽车股份有限公司 | Control method of automobile combined lamp control system |
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| CN109466425B (en) | 2021-06-18 |
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Application publication date: 20190315 Assignee: Beijing Zhike chelian Technology Co.,Ltd. Assignor: BEIQI FOTON MOTOR Co.,Ltd. Contract record no.: X2022980018253 Denomination of invention: Vehicle headlamp control system and method and vehicle and storage medium Granted publication date: 20210618 License type: Common License Record date: 20221013 |
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