CN106043150B - A kind of vehicle-mounted optical projection system with speech identifying function - Google Patents
A kind of vehicle-mounted optical projection system with speech identifying function Download PDFInfo
- Publication number
- CN106043150B CN106043150B CN201610631757.XA CN201610631757A CN106043150B CN 106043150 B CN106043150 B CN 106043150B CN 201610631757 A CN201610631757 A CN 201610631757A CN 106043150 B CN106043150 B CN 106043150B
- Authority
- CN
- China
- Prior art keywords
- vehicle
- projecting apparatus
- module
- projection system
- microphone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
- B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
- B60R2011/0026—Windows, e.g. windscreen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
- B60R2011/0049—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means for non integrated articles
- B60R2011/005—Connection with the vehicle part
- B60R2011/0056—Connection with the vehicle part using suction cups
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses a kind of vehicle-mounted optical projection system with speech identifying function, including microphone, speech processing module, control module, projection module and cloudy surface light-transmissive film；The voice of the microphone collection driver；The speech processing module receives the voice signal of microphone output, and identifies phonetic order；The phonetic order that the control module exports according to speech processing module, generate content to be shown；The projection module projects to the content to be shown on vehicle window；The cloudy surface light-transmissive film is attached on the vehicle window, and is made visible outside the content car that is projected on the cloudy surface light-transmissive film.The vehicle-mounted optical projection system of the present invention uses the phonetic order of speech recognition technology automatic identification driver, and by the content that driver is intended by by word, cartoon character or it is self-defined in a manner of project on vehicle window, friendly information is transmitted to nearby vehicle, it is possible thereby to the Interactive Experience between increasing car owner, it is abundant drive it is interesting and recreational.
Description
Technical field
The invention belongs to projector equipment technical field, specifically, be related to it is a kind of can apply it is vehicle-mounted on vehicle
Optical projection system.
Background technology
With the quick popularization of family car, safe driving has become the weight faced in car owners' daily life
Want problem.But with traffic congestion, the generally appearance for situations such as road conditions are poor, uncivil driving, mood meeting of the driver when driving
By strong influence, then cause the probability of happening of accident growing day by day.Therefore, how to strengthen civilization driving it is recreational and
Interest, guide numerous drivers form it is good drive to be accustomed to, become as an extremely important research topic.
Vehicle-mounted projecting apparatus, i.e., vehicle-mounted HUD（Head-up display, Head Up Display）, it is that one kind is commonly utilized in aviation
Flight supplementary instrument on aircraft at present on device, it is by the way that the important informations such as navigation information, aircraft flight situation to be projected to the front windshield of aircraft
On glass so that pilot need not bow just it can be seen that he need important information, by reducing pilot
Bow and check the frequency of instrument, to avoid pilot's notice from interrupting and lose the grasp to situationawareness, driven improving
Secure context plays an important role.
At present, vehicle-mounted projecting apparatus has begun to gradually come into operation on family expenses vehicle, is typically mounted at main driving seat
On armrest box between assistant driver seat, by the way that the important information on instrument board is projected on the front windshield of vehicle,
The security of driver drives vehicle can be improved.Further, it is also possible to the entertainments such as film, variety are projected using vehicle-mounted projecting apparatus
Onto front windshield, watched for occupant, it is recreational during so as to enhance parking waiting.
At present, the information shown by vehicle-mounted projector can only be visible to occupant, and the people outside car is to can't see
's.If driver needs personnel or vehicle outside to car to release news when driving, such as is overtaking other vehicles or not small
When the heart stops other vehicles, it is desirable to express apology to other side, driven with enhancing civilization recreational and interesting, then utilize existing
The vehicle-mounted shadow casting technique having is clearly to realize.
The content of the invention
It is an object of the invention to provide a kind of vehicle-mounted optical projection system with speech identifying function, by gathering driver's
Phonetic order, and the content expressed by phonetic order is projected on vehicle window, and the personnel allowed outside car are visible, it is possible thereby to realize
Interactive Experience between car owner, strengthen the enjoyment driven.
In order to solve the above technical problems, the present invention is achieved using following technical scheme：
A kind of vehicle-mounted optical projection system with speech identifying function, including microphone, speech processing module, control module, throwing
Shadow module and cloudy surface light-transmissive film；The voice of the microphone collection driver；The speech processing module receives microphone output
Voice signal, and identify phonetic order；The phonetic order that the control module exports according to speech processing module, generation are treated
The content of display；The projection module projects to the content to be shown on vehicle window；The cloudy surface light-transmissive film is attached to institute
State on vehicle window, and make visible outside the content car that is projected on the cloudy surface light-transmissive film.
Further, the microphone, speech processing module, control module and projection module are installed in vehicle-mounted projecting apparatus
In, in order that project content can allow the vehicle of different directions visible, the vehicle-mounted projecting apparatus is connected into a rotating mechanism, it is described
Rotating mechanism is used for the medial surface of the rear seat windscreen installed in vehicle, and the cloudy surface light-transmissive film is attached to the left back car of vehicle
On window, right vehicle rear window and rear seat windscreen；The vehicle-mounted projecting apparatus communicates with the operation bench of vehicle, passes through behaviour according to driver
The orientation regulating command for controlling platform input controls the rotating mechanism to drive vehicle-mounted projecting apparatus to rotate, and content to be shown is projected to
On the left back vehicle window or right vehicle rear window or rear seat windscreen of vehicle, so that the vehicle positioned at this car left side, right side or rear can
See project content.
Vehicle-mounted projecting apparatus installs fixed and projecting direction adjust automatically in compartment for convenience, and the present invention is in institute
State and sucker, fixed mount, motor and power transmission shaft are set in rotating mechanism；Wherein, sucker is used to adsorb the rear seat windscreen in vehicle
On, to be easy for installation and removal；Fixed mount is arranged on the sucker；Motor is arranged on the fixed mount, receives the car
The drive signal of projecting apparatus output is carried, and is rotated under the control of the drive signal；Motor described in axis connection is driven, described
Motor is rotated by；The vehicle-mounted projecting apparatus is arranged on the power transmission shaft, together rotated with power transmission shaft, is thrown with changing
Shadow direction.
In order to improve projection quality, the present invention be provided with the fixed mount stator on the sucker,
The bumper post and the corner bracket on the bumper post being vertically mounted on described stator；Wherein, the corner bracket bag
Two side plates docked at a certain angle are included, wherein, the first side plate is arranged on the bumper post, and the second side plate installs the horse
Reach, and second side plate is horizontal when the rotating mechanism is arranged on the rear seat windscreen of vehicle, and then by institute
State vehicle-mounted projecting apparatus level to be hung in compartment, project content level to be shown, to ensure image effect.
In order to improve the success rate of speech recognition, the microphone is preferably provided with two, and one is to be used to gather driver
The main microphon of voice, another be for gather ambient noise from microphone, the speech processing module receives the master
The voice signal of microphone collection output and the noise signal from microphone collection output, and according to vehicle to the language that collects
Sound signal carries out noise reduction process, and process is：According to the value of the vehicle adjust gain factor, and follow the longer gain factor of vehicle body more
Greatly, the smaller rule of the shorter gain factor of vehicle body；Gain factor after adjustment is substituted into dual microphone voice de-noising algorithm, eliminated
Noise in voice signal.
Preferably, the vehicle is preferably divided into B levels car and C level cars, wherein, the increasing of the gain factors of B level cars than C level cars
Beneficial factor increase 50%, to reduce due to the problem of voice caused by vehicle difference picks up difference on effect.
In order to facilitate the value of car owner's adjust gain factor, the present invention sets vehicle to adjust preferably on the vehicle-mounted projecting apparatus
Gear, the vehicle-mounted projecting apparatus is according to the value of selected gear adjust automatically gain factor, to overcome the blindness of parameter adjustment.
In order to further improve voice pickup effect, the main microphon is preferably arranged on vehicle-mounted projecting apparatus by the present invention
Rear, make its apart from driver closer to, will from microphone be arranged on vehicle-mounted projecting apparatus front, make it away from driver, so as to
Preferably gather ambient noise and the ambient noise close to vehicle window region.Wherein, the direction of definition installation camera lens is vehicle-mounted throwing
The front of shadow instrument.
Preferably, the standard to be prestored in the control module exports speech processing module phonetic order and database refers to
Order is contrasted, and identifies the stereotyped command corresponding to the phonetic order, and then transfer out therewith according to the stereotyped command
Corresponding content to be shown, and then control the projection module to carry out Projection Display.
In order to simplify circuit design, the control module preferably uses the DLP process chips for being built-in with DMD controllers, outside
Memory is connect, the database and content to be shown are stored in the memory, are called for the DLP process chips.
In order to further expand other miscellaneous functions of the vehicle-mounted optical projection system, drive and stop to further enhance
It is recreational during wait, the present invention be additionally provided with the vehicle-mounted optical projection system interface module, network media processor,
HDMI/DVI receivers and radio-frequency module；Wherein, the interface module includes USB interface, WLAN interface and HDMI；It is described
Network media processor connects the USB interface and WLAN interface, receives usb data or WLAN data, and be processed into numeral
Vision signal；The HDMI/DVI receivers connect the HDMI and network media processor, and reception passes through HDMI
Or the output of network media processor digital video signal and after being handled, export to described control module, pass through control
Module control projection module projects to video image on the front windshield of vehicle, realizes in-car movie theatre function；The radio frequency
The described control module of module connection, for establishing the data between the control module and external remote or mobile terminal
Interaction path, in order to which user is manipulated by mobile terminals such as remote controls or mobile phone to the vehicle-mounted projecting apparatus.
Compared with prior art, the advantages and positive effects of the present invention are：The vehicle-mounted optical projection system of the present invention uses voice
The phonetic order of identification technology automatic identification driver, and the content that driver is intended by with word, cartoon character or
Self-defined mode is projected on vehicle window, and makes the outer personnel of car visible, thus can not only improve the security driven, and when hair
When life is overtaken other vehicles or imprudence stops other vehicles, it can be expressed by way of transmitting friendly information to nearby vehicle to other side
Apology, to reduce the unnecessary conflict triggered by uncivil driving behavior, numerous car owners are guided to form the custom of civilization driving, drop
The occurrence probability of low traffic accident, and increase the Interactive Experience between car owner simultaneously, it is abundant drive it is interesting and recreational.
After the detailed description of embodiment of the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more
Add clear.
Brief description of the drawings
Fig. 1 is a kind of circuit framework theory diagram of embodiment of vehicle-mounted optical projection system proposed by the invention；
Fig. 2 is view field's schematic diagram；
Fig. 3 is projection and the corresponding relation figure of viewing position；
Fig. 4 is a kind of structural representation of embodiment of rotating mechanism.
Embodiment
The embodiment of the present invention is described in more detail below in conjunction with the accompanying drawings.
The vehicle-mounted optical projection system of the present embodiment ensures the peace that car owner drives to strengthen the Interactive Experience between car owner
Quan Xing, system design is carried out by the way of Projection Display is combined using Voice command, mainly including microphone, speech processes mould
The parts such as block, control module, projection module and cloudy surface light-transmissive film, as shown in Figure 1.Wherein, microphone is used to gather and driven
The voice of member, and voice signal is converted into the electric signal of analog quantity, export to speech processing module and handled.In institute's predicate
In sound processing module, the voice signal for the analog quantity that can be exported to microphone carries out noise reduction, extraction and identifying processing, to know
Do not go out the phonetic order of driver, and be converted into data signal, there is provided to control module.The control module is as whole vehicle-mounted
The core component of optical projection system, in addition to carrying out coordinating control to other functional modules, it can also be carried according to speech processing module
The phonetic order of confession generates content to be shown, to drive projection module to carry out Projection Display.In the present embodiment, the control
Module can identify the phonetic order of output according to speech processing module, directly generate corresponding word, drive projective module
Block carries out Projection Display in a manner of captions.It is of course also possible to corresponding picture is generated according to the phonetic order of driver
Or animation（Such as cartoon character or customized animation effect etc.）Or the combination of picture and word, drive projection module
Carry out Projection Display, with further enhance drive it is interesting and recreational., can be advance when using latter display mode
Picture and animation are preserved in memory, such as in eeprom memory, and for each width picture and/or each is dynamic
The proprietary stereotyped command of document definition is drawn, can be stored in by the way of stereotyped command associates preservation with picture and/or animation
In eeprom memory, called at work for control module.Specifically, know when control module receives speech processing module
After the phonetic order not exported, the phonetic order received and the stereotyped command that is pre-stored in database are carried out pair first
Than finding out matching degree highest stereotyped command, and then corresponding picture or animation are transferred out according to the stereotyped command
File, it is directly output to projection module or coordinates word to export in the lump to projection module, then control projection module with picture
Either animation or picture carry out Projection Display with the mode that word is combined, with the content for passing on driver to be intended by.For
The personnel for enabling the content of Projection Display to allow outside car see that the present embodiment replaces projection screen using cloudy surface light-transmissive film, if
Put on vehicle window, such as on the left back vehicle window of vehicle, right vehicle rear window and rear seat windscreen, with reference to shown in Fig. 2, and then there is no harm in
On the premise of hindering pilot's line of vision, peritropous vehicle transmits friendly information.For example, when car owner overtakes other vehicles or accidentally blocks it
His vehicle, it is desirable to express apology to other side car owner, but due to vehicle all in traveling process, be beyond expression apology when, can be with
The content for needing to express is projected on vehicle window by vehicle-mounted optical projection system, to reduce because uncivil driving behavior triggers not
Necessity conflict, promote driver feel form civilized driving habit while, make driver's personal experiences to civilization driving
It is interesting and recreational.
As shown in figure 3, in the present embodiment, the microphone, speech processing module, control module and projection module are preferred
In vehicle-mounted projecting apparatus 7, and use wired or wirelessly communicated with the operation bench of vehicle, such as pass through signal wire
The described operation bench of connection, or Bluetooth communication is carried out by built Bluetooth module and operation bench, pass through behaviour to receive driver
Control the start and stop and regulating command of platform input.The cloudy surface light-transmissive film 9 can select what is be made via special cloudy surface technique
Printing opacity diaphragm, to realize rear-projection effect.In the present embodiment, the cloudy surface light-transmissive film 9 preferably uses light modulation film, such as Guangzhou Europe
The projection light modulation film of firm company's production, is attached on the left back vehicle window, right vehicle rear window and rear seat windscreen of vehicle, and pass through electricity
The operation bench of source line connection vehicle, is powered when driver controls vehicle-mounted projecting apparatus 7 to start, by vehicle-mounted projector to thereon
Picture show, and make the personnel outside car visible；And powered off when driver controls vehicle-mounted projecting apparatus 7 to close, to keep
The pellucidity of vehicle window script.
In order to change the projecting direction of vehicle-mounted projecting apparatus 7, project content is set to make the vehicle of different directions visible, this reality
Apply example and design the vehicle-mounted projecting apparatus 7 of rotating mechanism drive to different directions rotation.In use, vehicle-mounted projecting apparatus 7 can be installed
On the rotating mechanism, and by rotating mechanism on the medial surface of the rear seat windscreen of vehicle, driver passes through manipulation
Platform inputs orientation regulating command, is sent to vehicle-mounted projecting apparatus 7, and then generates drive signal by vehicle-mounted projecting apparatus 7, and output extremely turns
Motivation structure, to control rotating mechanism to drive vehicle-mounted projecting apparatus 7 to rotate, and then content to be shown is projected to the left back car of vehicle
On window, right vehicle rear window or rear seat windscreen so that on the left of this car, the vehicle at right side or rear it can be seen that project content,
Then play a part of to nearby vehicle transmission information.
As shown in figure 4, sucker 1, fixed mount, motor 5 and power transmission shaft are mainly provided with the rotating mechanism of the present embodiment
6.Wherein, sucker 1 is used to adsorb the rear seat windscreen 8 in vehicle, in order to peace installation and dismantling of the vehicle-mounted projecting apparatus 7 in compartment
Unload.Fixed mount is installed on the suction cup 1, specifically includes the parts such as stator 2, bumper post 3 and corner bracket 4.Wherein, stator 2 is installed
On the suction cup 1, and surface is parallel with the adsorption plane of sucker 1, by increasing the contact area of stator 2 and sucker 1, with the company of raising
Connect intensity.Bumper post 3 is preferably made of elastic rubber material, is vertically mounted on stator 2, can set one or more
Root, while cushioning effect is played, ensure the fastness of assembling.Corner bracket 4 is used to change installation direction, including the first side plate 41
With the second side plate 42.The side plate 42 of first side plate 41 and second docks and forms certain angle α, and the angle α can design
Obtain the inclination angle beta with rear seat windscreen 8（Angle i.e. between rear seat windscreen 8 and horizontal direction）It is roughly the same, so that car
, being capable of generally horizontal state when load projecting apparatus 7 is installed on the rear seat windscreen 8 of vehicle by the rotating mechanism.By
Side plate 41 is installed on bumper post 3, and the second side plate 42 installation motor 5, the rotating shaft of motor 5 down, and connects described transmission
Axle 6, vehicle-mounted projecting apparatus 7 is arranged on the power transmission shaft 6, and then its rotation is driven by motor 5, to change projecting direction.
It can be received for the drive control of motor 5 using motor driver is set on the electric-controlled plate of vehicle-mounted projecting apparatus
The drive signal of control module output, is rotated with drive motor 5.Specifically, the motor driver can be arranged on vehicle-mounted
On the master control borad of projecting apparatus, described control module is connected；Or be arranged on special motor board, as shown in figure 1, passing through plate
Interface connection is arranged on the control module on master control borad.The control module is communicated by the operation bench with vehicle, with
Receive orientation regulating command of the driver by the direction key input on operation bench, so generate corresponding drive signal export to
Motor driver, revolution is controlled by motor driver, to change the rotation direction of vehicle-mounted projecting apparatus and rotational angle, after
And realize the regulation of projecting direction.
In order to obtain the phonetic order of driver exactly, the present embodiment identifies plan using the voice collecting of dual microphone
Slightly, two microphones mic1, mic2 are set in vehicle-mounted optical projection system, and with reference to shown in Fig. 1, one of them is as main microphon
It mic1, for gathering the voice of driver, may be mounted on the operation bench of vehicle, can also be arranged in vehicle-mounted projector 7
Or other positions nearer apart from driver, effectively to capture the voice signal that driver sends；Another is used as from Mike
Wind mic2, for gathering ambient noise and ambient noise, may be mounted in vehicle-mounted projector 7 or other apart from driver farther out
Position.
As a kind of preferred design of the present embodiment, two microphones mic1, mic2 are preferably all provided with by the present embodiment
Put in vehicle-mounted projecting apparatus 7.In view of vehicle-mounted projecting apparatus 7 in the course of the work, or camera lens is backwards, otherwise camera lens is towards left or court
The right side, the direction of definition installation camera lens is the front of vehicle-mounted projecting apparatus 7, then main microphon mic1 preferably is arranged on into vehicle-mounted projection
The rear of instrument 7, it is set to compare from microphone mic2 apart from driver closer to preferably to gather the voice of driver；
The front of vehicle-mounted projecting apparatus 7 will be arranged on from microphone mic2, enables it farther apart from driver compared to main microphon mic1,
Preferably to gather ambient noise and the ambient noise close to vehicle window region.
Dual microphone noise reduction chip and voice recognition chip can be set in the speech processing module of the present embodiment, such as schemed
Shown in 1.Wherein, the main microphon mic1 is received by dual microphone noise reduction chip and gathers the voice signal of output and from wheat
The noise signal of gram wind mic2 collection output, filters out noise signal from voice signal, to realize the noise reduction to voice signal
Processing.Voice signal after noise reduction process is sent to voice recognition chip and carries out phonetic order by the dual microphone noise reduction chip
Identification, and be converted into data-voice instruction and send to described control module.
Traditional dual microphone voice de-noising algorithm can be used in dual microphone noise reduction chip, is eliminated in voice signal
Noise.It is arranged in view of vehicle-mounted projecting apparatus on the rear seat windscreen of vehicle, microphone mic1, mic2 are arranged on vehicle-mounted projection
On instrument, the rear in compartment also is located at, different vehicles, its length of wagon is different, therefore, in order to effectively extract the language of driver
Sound, the success rate of speech recognition being improved, the present embodiment proposes a kind of noise reduction process method that Gain tuning is carried out according to vehicle,
To improve the effect of voice pickup.Specifically, the voice signal received is being dropped using dual microphone noise reduction chip
Make an uproar processing when, can previously according to vehicle adjust dual microphone noise reduction chip gain factor, i.e. to dual microphone noise reduction chip
The value of gain factor in the dual microphone voice de-noising algorithm run is adjusted, to reduce caused by vehicle difference
Voice picks up difference on effect.Specifically, during according to the vehicle adjust gain factor, should follow the longer gain of vehicle body because
The rule that son is bigger, the shorter gain factor of vehicle body is smaller.Gain factor after adjustment is substituted into dual microphone voice de-noising algorithm,
To improve voice pickup effect.
In order to facilitate the regulation of gain factor, the present embodiment preferably sets multiple gears, a shelves on vehicle-mounted projecting apparatus
A kind of corresponding vehicle in position, driver can according to corresponding to the Truck type choice of oneself gear, dual microphone noise reduction chip can root
Gain factor is adjusted to suitably numerically, to overcome the blindness of parameter adjustment automatically according to selected gear.The present embodiment
Illustrated exemplified by two gears are set, correspond to the space layout of B levels car and C levels two kinds of vehicles of car respectively.Specifically, when
The vehicle of user is B level cars（Such as the vehicle such as SUV, cross-country）When, it is vehicle-mounted on rear seat windscreen because vehicle body is longer
Gear farther out, can now be adjusted onto the gear corresponding to B level cars apart from driver, select high gain mode by projecting apparatus,
By increasing the value of gain factor, to improve voice pickup effect.Conversely, when the vehicle of user is C level cars（It is such as car, tight
Gather type compact car etc.）When, because vehicle body is shorter, the vehicle-mounted projecting apparatus on rear seat windscreen is nearer apart from driver, this
When gear can be adjusted on the gear corresponding to C level cars, select low gain mode, by reducing the value of gain factor, with
Eliminate the difference of voice pickup effect.
As a kind of preferred design of the present embodiment, a suitable gain factor can be determined according to C level cars, and
Using the gain factor as a reference value, it is cured in product export in program, and using the gear corresponding to C level cars as silent
Recognize gear, carry out Default Value., can be with the value of the adjust gain factor than a reference value increase 50%, i.e. B levels car for B level cars
Corresponding gain factor is 1.5 times of the gain factor corresponding to C level cars, and after product export, user can pass through regulation
Gear（B level car stops position is adjusted to from C level car stops position）, so as to which internal gain to be adjusted to the gain factor corresponding to C level cars
1.5 times, i.e., into high gain mode, to reduce due to the problem of voice caused by vehicle difference picks up difference on effect.
In the present embodiment, the projection module includes LED driver and data micro-mirror device DMD（Digital
Micromirror Device）, the control module is preferably using the DLP process chips for being built-in with DMD controllers（DLP's is complete
Title is Digital Light Processing, and the Chinese meaning is " optical digital computing technology "）.Controlled and thrown by control module
LED in shadow module is lighted and the deflection angle of micro-reflector is adjusted, to reach the purpose of display image.
In order to extend the function of the vehicle-mounted optical projection system, the present embodiment is additionally provided with interface on the vehicle-mounted projecting apparatus
Module, as shown in figure 1, specifically may include USB interface, WLAN interface and HDMI etc..It is defeated by USB interface and WLAN interface
The video media-data entered can be processed into digital video signal via network media processor, send to HDMI/DVI and receive
Device, control module is sent to via HDMI/DVI receivers, to control projection module that video image is projected to the front of vehicle
On wind glass, in-car movie theatre function is realized.Can directly it be transmitted for the high-definition digital video signal accessed by HDMI
After being handled to network media processor, export to described control module, the projection is then controlled by control module
Module realizes the Projection Display of video image.
It is of course also possible to set the USB interface dedicated for debugging on vehicle-mounted projecting apparatus, connect via EMI protection circuits
Described control module is connect, to realize the functions such as systematic parameter adjustment, software program upgrading.In the master control of the vehicle-mounted projecting apparatus
Flash storage and DRAM memory are set on plate, connect described control module, for preserving software program and system ginseng
Number.
The vehicle-mounted projecting apparatus is operated in order to facilitate user, the present embodiment is also set up in the vehicle-mounted projecting apparatus
There is radio-frequency module, connect described control module.User can be received by radio-frequency module to move by remote control or mobile phone etc.
The radio operation instruction that dynamic terminal is sent, and digital data transmission is converted into described control module, to respond user's operation.
The power supply being arranged on master control borad can be utilized for the working power needed for each functional module in vehicle-mounted projecting apparatus
Management module carries out conversion generation to the dc source that automobile adapter exports.Fan can also be installed in vehicle-mounted projecting apparatus,
The working power of power management module output is received, to be radiated to the electronic unit in vehicle-mounted projecting apparatus.
Using the vehicle-mounted optical projection system of the present embodiment, not only driver can be projected to car by the content of phonetic representation
On window, friendly information is transmitted to nearby vehicle, to guide numerous car owners to form the custom of civilization driving, but also can be substituted existing
Some vehicle-carrying display screen issuing advertisement informations, to meet the different application demand of car owner.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the those of ordinary skill in domain is made in the essential scope of the present invention, should also belong to this hair
Bright protection domain.
Claims (9)
- A kind of 1. vehicle-mounted optical projection system with speech identifying function, it is characterised in that including：Microphone, is provided with two, and one is main microphon for gathering driver's voice, and another is to be used to gather environment Noise from microphone；Speech processing module, receive the voice signal of the main microphon collection output and the noise from microphone collection output Signal, and noise reduction process is carried out to the voice signal collected according to vehicle, process is：According to the vehicle adjust gain factor Value, and follow the rule that the longer gain factor of vehicle body is bigger, the shorter gain factor of vehicle body is smaller；By the gain factor generation after adjustment Enter dual microphone voice de-noising algorithm, eliminate the noise in voice signal, identify phonetic order；Control module, the phonetic order exported according to speech processing module, generates content to be shown；Projection module, the content to be shown is projected on vehicle window；Cloudy surface light-transmissive film, it is attached on the vehicle window, and makes visible outside the content car that is projected on the cloudy surface light-transmissive film.
- 2. the vehicle-mounted optical projection system according to claim 1 with speech identifying function, it is characterised in that the microphone, Speech processing module, control module and projection module are installed in vehicle-mounted projecting apparatus, and the vehicle-mounted projecting apparatus connection one rotates Mechanism, the rotating mechanism are used for the medial surface of the rear seat windscreen installed in vehicle, and the cloudy surface light-transmissive film is attached to car Left back vehicle window, on right vehicle rear window and rear seat windscreen；The vehicle-mounted projecting apparatus communicates with the operation bench of vehicle, according to driving The orientation regulating command that the person of sailing is inputted by operation bench controls the rotating mechanism to drive vehicle-mounted projecting apparatus to rotate, will be to be shown Content is projected on the left back vehicle window or right vehicle rear window or rear seat windscreen of vehicle.
- 3. the vehicle-mounted optical projection system according to claim 2 with speech identifying function, it is characterised in that the rotating mechanism Including：Sucker, for adsorbing the rear seat windscreen in vehicle；Fixed mount, on the sucker；Motor, on the fixed mount, the drive signal of the vehicle-mounted projecting apparatus output is received, and in the drive signal Control under rotate；Power transmission shaft, the motor is connected, in being rotated by for the motor；Wherein, the vehicle-mounted projecting apparatus is arranged on the power transmission shaft, is together rotated with power transmission shaft, to change projecting direction.
- 4. the vehicle-mounted optical projection system according to claim 3 with speech identifying function, it is characterised in that the fixed mount bag Include：Stator, on the sucker；Bumper post, it is vertically mounted on described stator；Corner bracket, it includes two side plates docked at a certain angle, wherein, the first side plate is arranged on the bumper post, and second Side plate installs the motor；Second side plate is horizontal when the rotating mechanism is arranged on the rear seat windscreen of vehicle State, and then the vehicle-mounted projecting apparatus level is hung in compartment.
- 5. the vehicle-mounted optical projection system according to any one of claim 1 to 4 with speech identifying function, it is characterised in that The vehicle is divided into B levels car and C level cars, wherein, the gain factor of B level cars increases 50% than the gain factor of C level cars.
- 6. the vehicle-mounted optical projection system according to claim 5 with speech identifying function, it is characterised in that in the vehicle-mounted throwing Vehicle regulation stall is provided with shadow instrument, the vehicle-mounted projecting apparatus is according to selected gear adjust automatically gain factor；The master Microphone is arranged on the rear of vehicle-mounted projecting apparatus, and the front of vehicle-mounted projecting apparatus is arranged on from microphone, wherein, definition installation camera lens Direction be vehicle-mounted projecting apparatus front.
- 7. the vehicle-mounted optical projection system according to any one of claim 1 to 4 with speech identifying function, it is characterised in that The stereotyped command to be prestored in phonetic order and database that the control module exports speech processing module is contrasted, identification Go out the stereotyped command corresponding to the phonetic order, so according to the stereotyped command transfer out it is corresponding it is to be shown in Hold, and then control the projection module to carry out Projection Display.
- 8. the vehicle-mounted optical projection system according to claim 7 with speech identifying function, it is characterised in that the control module To be built-in with the DLP process chips of DMD controllers, external memorizer, the database and content to be shown are stored in described In memory, called for the DLP process chips.
- 9. the vehicle-mounted optical projection system according to any one of claim 1 to 4 with speech identifying function, it is characterised in that Also include：Interface module, it includes USB interface, WLAN interface and HDMI；Network media processor, the USB interface and WLAN interface are connected, receive usb data or WLAN data, and be processed into Digital video signal；HDMI/DVI receivers, connect the HDMI and network media processor, and reception passes through HDMI or network matchmaker The digital video signal of body processor output and after being handled, exports to described control module, is controlled by control module Projection module projects to video image on the front windshield of vehicle；Radio-frequency module, described control module is connected, for establishing the control module and external remote or mobile terminal Between data interaction path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631757.XA CN106043150B (en) | 2016-08-04 | 2016-08-04 | A kind of vehicle-mounted optical projection system with speech identifying function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631757.XA CN106043150B (en) | 2016-08-04 | 2016-08-04 | A kind of vehicle-mounted optical projection system with speech identifying function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106043150A CN106043150A (en) | 2016-10-26 |
| CN106043150B true CN106043150B (en) | 2018-02-09 |
Family
ID=57196368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610631757.XA Active CN106043150B (en) | 2016-08-04 | 2016-08-04 | A kind of vehicle-mounted optical projection system with speech identifying function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106043150B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106780902A (en) * | 2016-12-27 | 2017-05-31 | 北京汽车研究总院有限公司 | A kind of remote-control key, automobile and the method that automobile is controlled using remote-control key |
| CA3052240C (en) * | 2017-02-16 | 2020-12-22 | Magna Exteriors Inc | Voice activation using a laser listener |
| CN108538084B (en) * | 2017-03-01 | 2021-01-08 | 奥迪股份公司 | Visual reminding device, vehicle and visual reminding method |
| CN107181972B (en) * | 2017-06-12 | 2020-03-17 | 广州外圆内方科技发展有限公司 | Multimedia data playing method, software device and system |
| KR102392087B1 (en) * | 2017-07-10 | 2022-04-29 | 삼성전자주식회사 | Remotely controller and method for receiving a user's voice thereof |
| CN108040326A (en) * | 2017-12-08 | 2018-05-15 | 中国汽车技术研究中心 | A kind of vehicle data wireless interaction harvester |
| CN108170266A (en) * | 2017-12-25 | 2018-06-15 | 珠海市君天电子科技有限公司 | Smart machine control method, device and equipment |
| CN108986811B (en) * | 2018-08-31 | 2021-05-28 | 北京新能源汽车股份有限公司 | Voice recognition detection method, device and equipment |
| CN109495863A (en) * | 2018-09-21 | 2019-03-19 | 北京车和家信息技术有限公司 | Exchange method and relevant device |
| CN109814553A (en) * | 2019-01-15 | 2019-05-28 | 北京百度网讯科技有限公司 | Control method, device, system and the readable storage medium storing program for executing of automated driving system |
| JP7079747B2 (en) * | 2019-03-08 | 2022-06-02 | 本田技研工業株式会社 | Display devices, display control methods, and programs |
| CN110395113B (en) * | 2019-07-16 | 2022-03-15 | 奇瑞汽车股份有限公司 | Vehicle window display system, method and device and storage medium |
| CN113160806A (en) * | 2020-01-07 | 2021-07-23 | 京东方科技集团股份有限公司 | Projection system and control method thereof |
| CN111572453A (en) * | 2020-06-16 | 2020-08-25 | 江南大学 | Vehicle-mounted head-up display |
| CN111775853A (en) * | 2020-07-22 | 2020-10-16 | 盐城工学院 | Vehicle-mounted projector |
| CN112373407A (en) * | 2020-11-23 | 2021-02-19 | 穆国华 | Automobile windshield display screen and system thereof |
| CN113566832B (en) * | 2021-09-23 | 2021-12-17 | 湖南典丰科技有限公司 | Vehicle navigation system and method based on Internet of things |
| CN115474030B (en) * | 2022-08-26 | 2023-08-11 | 智己汽车科技有限公司 | Vehicle projection method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875680A (en) * | 2015-06-03 | 2015-09-02 | 深圳市光晕网络科技有限公司 | HUD (head up display) device combining voice and video recognition |
| CN105501112A (en) * | 2016-01-21 | 2016-04-20 | 北京兴科迪科技有限公司 | Pedestrian-vehicle and vehicle-vehicle interaction control device and method |
| CN105539310A (en) * | 2014-10-22 | 2016-05-04 | 株式会社电装 | In-vehicle camera device and in-vehicle system |
| CN105551494A (en) * | 2015-12-11 | 2016-05-04 | 奇瑞汽车股份有限公司 | Mobile phone interconnection-based vehicle-mounted speech recognition system and recognition method |
| CN205871923U (en) * | 2016-08-04 | 2017-01-11 | 歌尔科技有限公司 | Take voice recognition function's on -vehicle projecting system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008062762A (en) * | 2006-09-06 | 2008-03-21 | Fujitsu Ten Ltd | Drive assist device and drive assist method |
-
2016
- 2016-08-04 CN CN201610631757.XA patent/CN106043150B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539310A (en) * | 2014-10-22 | 2016-05-04 | 株式会社电装 | In-vehicle camera device and in-vehicle system |
| CN104875680A (en) * | 2015-06-03 | 2015-09-02 | 深圳市光晕网络科技有限公司 | HUD (head up display) device combining voice and video recognition |
| CN105551494A (en) * | 2015-12-11 | 2016-05-04 | 奇瑞汽车股份有限公司 | Mobile phone interconnection-based vehicle-mounted speech recognition system and recognition method |
| CN105501112A (en) * | 2016-01-21 | 2016-04-20 | 北京兴科迪科技有限公司 | Pedestrian-vehicle and vehicle-vehicle interaction control device and method |
| CN205871923U (en) * | 2016-08-04 | 2017-01-11 | 歌尔科技有限公司 | Take voice recognition function's on -vehicle projecting system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106043150A (en) | 2016-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106043150B (en) | A kind of vehicle-mounted optical projection system with speech identifying function | |
| CN205871923U (en) | Take voice recognition function's on -vehicle projecting system | |
| WO2018035974A1 (en) | Head-up display device | |
| CN205311478U (en) | Multi -functional rear -view mirror intelligence navigation vehicle event data recorder | |
| CN105759426B (en) | Intelligent automobile head-up display device | |
| CN104883588A (en) | Vehicle multi-screen interconnection system and realization method thereof | |
| CN110386089A (en) | A kind of vehicle device multi-screen interactive display system | |
| CN109435849A (en) | A kind of Vehicular head-up display system | |
| CN110065439A (en) | A kind of car interactive system | |
| CN204681525U (en) | A kind of vehicle-mounted multi-screen interconnected systems | |
| CN205092936U (en) | Double mode on -vehicle amusement information system of double screen | |
| CN106814807A (en) | A kind of intelligent HUD | |
| CN203381562U (en) | Vehicle windshield projecting device with eye-level display function | |
| CN205615416U (en) | Speech control's automobile interior rear -view mirror | |
| CN210554474U (en) | Automobile rear window projection system | |
| CN115095843B (en) | Car lamp structure capable of realizing sound and light integration and control method thereof | |
| CN205750122U (en) | Intelligent automobile head-up display device | |
| CN201426236Y (en) | Vehicle-mounted DVD navigation device | |
| CN105022167A (en) | Dual-mode head-up display device and display method thereof | |
| CN112918250A (en) | Intelligent display system and automobile | |
| CN116114957A (en) | Intelligent helmet system of two-wheel vehicle | |
| CN206664471U (en) | A kind of back seat Android TV | |
| CN114043939A (en) | Vehicle-mounted central control system using holographic projection technology and control method | |
| CN207523552U (en) | A kind of multifunctional interactive in-vehicle display system | |
| US20180222385A1 (en) | Heads-up display with point of display audio alert capability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |