CN205871923U - Take voice recognition function's on -vehicle projecting system - Google Patents
Take voice recognition function's on -vehicle projecting system Download PDFInfo
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- CN205871923U CN205871923U CN201620837717.6U CN201620837717U CN205871923U CN 205871923 U CN205871923 U CN 205871923U CN 201620837717 U CN201620837717 U CN 201620837717U CN 205871923 U CN205871923 U CN 205871923U
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Abstract
The utility model discloses a take voice recognition function's on -vehicle projecting system, including microphone, voice processing module, control module, projection module and fogging surface printing opacity membrane, driver's pronunciation are gathered to the microphone to formation speech signal exports voice processing module to and handles the back, transmits the content of treating the demonstration to control module formation, the projection module is connected control module will the content projection that shows of waiting of control module output is arrived the fogging surface printing opacity epimembranal, fogging surface printing opacity membrane is attached on the door window to it is visible outside the epimembranal content car of fogging surface printing opacity to make the projection. The utility model discloses an on -vehicle projecting system adopts speech recognition technique automatic identification driver's pronunciation instruction to the content wanting the driver to express with characters, cartoon image or self -defined mode projection to the door window, to the friendly information of peripheral vehicle transmission, can increase interactive experience the between the car owner, abundant drive interesting and recreational from this.
Description
Technical field
This utility model belongs to projector equipment technical field, specifically, relates to a kind of can application on vehicle
Vehicle-mounted optical projection system.
Background technology
Along with quickly popularizing of family car, safe driving has become as the weight faced in car owners' daily life
Want problem.But, along with the generally appearance of the situations such as traffic congestion, poor, the uncivil driving of road conditions, driver's emotion meeting when driving
By strong influence, the probability of happening of accident is then caused to grow with each passing day.Therefore, how to strengthen civilization driving recreational and
Interest, guides numerous drivers to form good custom of driving, and becoming is an extremely important research topic.
Vehicle-mounted projector, the most vehicle-mounted HUD(head up displays, Head Up Display), it is that one is commonly utilized in aviation
Flight supplementary instrument on device, it by projecting to the front windshield of aircraft by important informations such as navigation information, aircraft flight situations
On glass, so that pilot just need not to bow it can be seen that his important information of needing, by reducing pilot
Bow and check the frequency of instrument, to avoid pilot's attention to interrupt and to lose the grasp to state consciousness, drive improving
Secure context plays an important role.
At present, vehicle-mounted projector has begun to gradually come into operation on domestic vehicle, is typically mounted at main driving seat
And on the armrest box between assistant driver seat, by the important information on instrumental panel is projected on the front windshield of vehicle,
The safety of driver drives vehicle can be improved.Further, it is also possible to utilize vehicle-mounted projector the entertainment such as film, variety to be projected
On front windshield, watch for occupant, thus recreational when enhancing 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 need car when driving outside personnel or vehicle release news, such as overtaking other vehicles or the least
When the heart stops other vehicles, it is desirable to express apology to the other side, to strengthen the recreational and interesting of civilization driving, then utilize existing
The vehicle-mounted shadow casting technique having clearly cannot realize.
Summary of the invention
The purpose of this utility model is to provide the vehicle-mounted optical projection system of a kind of band speech identifying function, is driven by collection
The phonetic order of member, and projects to the content expressed by phonetic order on vehicle window, and makes the personnel outside car visible, the most permissible
Realize the Interactive Experience between car owner, strengthen the enjoyment driven.
For solving above-mentioned technical problem, this utility model is achieved by the following technical solutions:
The vehicle-mounted optical projection system of a kind of band speech identifying function, including mike, speech processing module, control module, throwing
Shadow module and cloudy surface light-transmissive film；Described mike gathers the voice of driver, and generates voice signal output to speech processes mould
After block processes, transmission to control module forms content to be shown；Described projection module connects described control module, by institute
The content to be shown stating control module output projects on described cloudy surface light-transmissive film, and described cloudy surface light-transmissive film is attached to vehicle window
On, and make the content car being projected on cloudy surface light-transmissive film outer visible.
Further, described mike, speech processing module, control module and projection module are installed in vehicle-mounted projector
In, in order to make project content that the vehicle of different directions can be allowed visible, described vehicle-mounted projector is connected a rotating mechanism, described
Rotating mechanism is for being arranged on the medial surface of the rear seat windscreen of vehicle, and described cloudy surface light-transmissive film is attached to the left back car of vehicle
On window, right vehicle rear window and rear seat windscreen.
Further, described vehicle-mounted projector and the operation bench communication of vehicle, receive driver and inputted by operation bench
Orientation regulating command, and generate driving signal output to described rotating mechanism, drive vehicle-mounted projector controlling rotating mechanism
Rotating, described content to be shown being projected on the left back vehicle window of vehicle or right vehicle rear window or rear seat windscreen, so that being positioned at
On the left of this car, the vehicle at right side or rear is it can be seen that project content.
The most vehicle-mounted projector installing in compartment is fixed and the automatic adjustment of projecting direction, this utility model
Sucker, fixed mount, motor and power transmission shaft it is provided with in described rotating mechanism；Wherein, sucker is for adsorbing the backstop at vehicle
On wind glass, to be easy for installation and removal；Fixed mount is arranged on described sucker；Motor is arranged on described fixed mount, receives
The driving signal of described vehicle-mounted projector output, and rotate under the control of described driving signal；Power transmission shaft connects described motor,
Being rotated by of described motor；Described vehicle-mounted projector is arranged on described power transmission shaft, together rotates with power transmission shaft, with
Change projecting direction.
In order to improve projection quality, this utility model is provided be arranged on described sucker fixing in described fixed mount
Sheet, the bumper post being vertically mounted on described stator and be arranged on the corner bracket on described bumper post；Wherein, described corner bracket
Including two side plates docked at a certain angle, wherein, the first side plate is arranged on described bumper post, and the second side plate is installed described
Motor, and described second side plate is the level of state when described rotating mechanism is arranged on the rear seat windscreen of vehicle, and then will
Described vehicle-mounted projector level is hung in compartment, makes content level to be shown project, to ensure image effect.
Preferably, described cloudy surface light-transmissive film is light modulation film, is connected the operation bench of vehicle by power line, opens driver
It is energized during vehicle-mounted projector, makes the content car projecting on light modulation film outer visible.
In order to improve the success rate of speech recognition, described mike is preferably provided with two, and one is for gathering driver
The main mike of voice, another be for gather environment noise from mike, described speech processing module receive described master
Mike collection output voice signal and from mike collection output noise signal, described voice signal is carried out noise reduction
After process, it is converted into digital signal output to described control module.
In order to improve voice pickup effect, preferably described main mike is arranged on the rear of vehicle-mounted projector so that it is away from
From driver closer to, the front of vehicle-mounted projector will be arranged on from mike so that it is away from driver, in order to preferably gather the back of the body
Scape noise and the environment noise near vehicle window region.Wherein, the front that direction is vehicle-mounted projector of camera lens is installed in definition.
In order to simplify circuit design, described control module preferably employs the DLP process chip being built-in with DMD controller, outward
Connect memorizer, described data base and content to be shown to preserve in which memory, process chip for described DLP and call.
In order to further expand other miscellaneous functions of described vehicle-mounted optical projection system, drive to further enhance and stop
Recreational during wait, this utility model be additionally provided with in described vehicle-mounted optical projection system interface module, network media processor,
HDMI/DVI receptor and radio-frequency module；Wherein, described interface module includes USB interface, WLAN interface and HDMI；Described
Network media processor connects described USB interface and WLAN interface, receives usb data or WLAN data, and is processed into numeral
Video signal；Described HDMI/DVI receptor connects described HDMI and network media processor, receives and passes through HDMI
Or the digital video signal of network media processor output after processing, output to the most described control module, by controlling
Module controls projection module and projects on the front windshield of vehicle by video image, it is achieved movie theatre function in car；Described radio frequency
Control module described in module connection, for setting up the data between described control module and external remote or mobile terminal
Mutual path, in order to described vehicle-mounted projector is manipulated by user by the mobile terminal such as remote controller or mobile phone.
Compared with prior art, advantage of the present utility model and good effect are: vehicle-mounted optical projection system of the present utility model
Use speech recognition technology automatically to identify the phonetic order of driver, and content driver being intended by is with word, cartoon
Vivid or self-defined mode projects on vehicle window, and makes the outer personnel of car visible, is thus possible not only to improve the safety driven,
And when overtaking other vehicles or imprudence stops other vehicles, can by the way of to the nearby vehicle friendly information of transmission to
The other side expresses apology, the unnecessary conflict caused because of uncivil driving behavior with minimizing, guides numerous car owners to form civilization driving
Custom, reduce the occurrence probability of vehicle accident, and increase the Interactive Experience between car owner simultaneously, the abundant interest driven and
Recreational.
After reading in conjunction with the accompanying the detailed description of this utility model embodiment, other features of the present utility model and advantage
Will become clearer from.
Accompanying drawing explanation
Fig. 1 is the circuit framework theory diagram of a kind of embodiment of the vehicle-mounted optical projection system that this utility model is proposed；
Tu2Shi view field schematic diagram；
Fig. 3 is the corresponding relation figure of projection and viewing position；
Fig. 4 is the structural representation of a kind of embodiment of rotating mechanism.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in more detail.
The vehicle-mounted optical projection system of the present embodiment, in order to strengthen the Interactive Experience between car owner, ensures the peace that car owner drives simultaneously
Quan Xing, the mode using Voice command to combine with Projection Display carries out system design, mainly includes mike, speech processes mould
The ingredients such as block, control module, projection module and cloudy surface light-transmissive film, as shown in Figure 1.Wherein, mike is used for gathering driving
The voice of member, and acoustical signal is converted into the signal of telecommunication of analog quantity, output to speech processing module processes.At institute's predicate
In sound processing module, the voice signal of the analog quantity of mike output can be carried out noise reduction, extraction and identifying processing, to know
Do not go out the phonetic order of driver, and be converted into digital signal, it is provided that to control module.Described control module is as whole vehicle-mounted
The core component of optical projection system, in addition to coordinating control to other functional modules, it is also possible to carry 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, described control
Module can directly generate corresponding word according to the phonetic order of speech processing module identification output, drives projective module
Block carries out Projection Display in the way of captions.It is of course also possible to generate corresponding picture according to the phonetic order of driver
Or animation (such as cartoon character or self-defining animation effect etc.) or picture and the combination of word, drive projection module
Carry out Projection Display, to further enhance the interest driven and recreational.When using latter display mode, can be in advance
Picture and animation are preserved in memory, such as in eeprom memory, and for each width picture and/or each move
Draw the stereotyped command that document definition is proprietary, can be stored in the way of associating preservation with picture and/or animation to use stereotyped command
In eeprom memory, operationally call for control module.Specifically, know when control module receives speech processing module
After the phonetic order not exported, it is right first the phonetic order received and the stereotyped command being pre-stored in data base to be carried out
Ratio, finds out the stereotyped command that matching degree is the highest, and then transfers out corresponding picture or animation according to described stereotyped command
File, is directly output to projection module or coordinates word to export in the lump to projection module, then controlling projection module with picture
Or the mode that animation or picture combine with word carries out Projection Display, with the content passing on driver to be intended by.For
Enabling the content of Projection Display to allow the personnel outside car see, the present embodiment uses cloudy surface light-transmissive film to replace projection screen, if
Put on vehicle window, such as on the left back vehicle window of vehicle, right vehicle rear window and rear seat windscreen, shown in Fig. 2, and then there is no harm in
On the premise of hindering pilot's line of vision, the friendly information of peritropous vehicle transmission.Such as, overtake other vehicles as car owner or imprudence blocks it
His vehicle, it is desirable to express apology to the other side car owner, but owing to vehicle is all in traveling process, it is impossible to when expressing apology, permissible
The content expressed will be needed to project on vehicle window by vehicle-mounted optical projection system, to reduce because uncivil driving behavior causes not
Necessary conflict, while promoting that driver is conscious and forming civilization driving habits, makes driver's personal experiences to civilization driving
Interesting and recreational.
As it is shown on figure 3, in the present embodiment, described mike, speech processing module, control module and projection module are preferred
Be arranged in vehicle-mounted projector 7, and use wired or wirelessly with the operation bench communication of vehicle, such as pass through holding wire
Operation bench described in connection, or carry out Bluetooth communication by built Bluetooth module and operation bench, to receive driver by behaviour
The start and stop of control platform input and regulating command.Described cloudy surface light-transmissive film 9 can be selected and be made via special cloudy surface technique
Printing opacity diaphragm, to realize rear-projection effect.In the present embodiment, described cloudy surface light-transmissive film 9 is preferably used light modulation film, such as Europe, Guangzhou
The projection light modulation film that firm company produces, is attached on the left back vehicle window of vehicle, right vehicle rear window and rear seat windscreen, and by electricity
Source line connects the operation bench of vehicle, controls to be energized when vehicle-mounted projector 7 starts driver, by vehicle-mounted projector on it
Picture show, and make the personnel outside car visible；And control power-off when vehicle-mounted projector 7 is closed driver, to keep
Vehicle window pellucidity originally.
In order to change the projecting direction of vehicle-mounted projector 7, make project content that the vehicle of different directions can be allowed visible, this reality
Execute example and design a rotating mechanism vehicle-mounted projector 7 of drive to different directions rotation.During use, vehicle-mounted projector 7 can be installed
On described rotating mechanism, and on the medial surface of the rear seat windscreen that rotating mechanism is arranged on vehicle, driver is by manipulation
Platform input orientation regulating command, is sent to vehicle-mounted projector 7, and then generates driving signal by vehicle-mounted projector 7, and output is to turning
Motivation structure, drives vehicle-mounted projector 7 to rotate controlling rotating mechanism, and then content to be shown projects to the left back car of vehicle
On window, right vehicle rear window or rear seat windscreen so that be positioned on the left of this car, the vehicle at right side or rear it can be seen that project content,
Then the effect to nearby vehicle transmission information is played.
As shown in Figure 4, in the rotating mechanism of the present embodiment, it is mainly provided with sucker 1, fixed mount, motor 5 and power transmission shaft
6.Wherein, sucker 1 is for adsorbing the rear seat windscreen 8 at vehicle, in order to the peace installation and dismantling in compartment of the vehicle-mounted projector 7
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, to improve even
Connect intensity.Bumper post 3 preferably employs elastic rubber material and makes, and is vertically mounted on stator 2, can arrange one or many
Root, while playing cushioning effect, it is ensured that the fastness of assembling.Corner bracket 4 is used for changing installation direction, including the first side plate 41
With the second side plate 42.Described first side plate 41 and the second side plate 42 dock and are formed certain angle α, and described angle α can design
Must and the inclination angle beta (i.e. angle between rear seat windscreen 8 and horizontal direction) of rear seat windscreen 8 roughly the same, so that car
When load projector 7 is installed on the rear seat windscreen 8 of vehicle by described rotating mechanism, it is possible to generally horizontal state.By
Side plate 41 is installed on bumper post 3, and motor 5 installed by the second side plate 42, the rotating shaft of motor 5 down, and connect described in transmission
Axle 6, is arranged on vehicle-mounted projector 7 on described power transmission shaft 6, and then drives it to rotate, to change projecting direction by motor 5.
Driving of motor 5 is controlled to use to arrange motor driver on the electric-controlled plate of vehicle-mounted projector, receives
The driving signal of control module output, to drive motor 5 to rotate.Specifically, described motor driver can be arranged on vehicle-mounted
Control module on the master control borad of projector, described in connection；Or be arranged on special motor board, as it is shown in figure 1, pass through plate
Interface connects the control module being arranged on master control borad.Described control module is communicated by the operation bench with vehicle, with
Receive driver's orientation regulating command by the directionkeys input on operation bench, and then generation drives signal to export extremely accordingly
Motor driver, controls revolution by motor driver, to change rotation direction and the rotational angle of vehicle-mounted projector, continues
And realize the regulation of projecting direction.
In order to obtain the phonetic order of driver exactly, the present embodiment uses the voice collecting identification plan of dual microphone
Slightly, arranging two mikes mic1, mic2 in vehicle-mounted optical projection system, shown in Fig. 1, one of them is as main mike
Mic1, for gathering the voice of driver, may be mounted on the operation bench of vehicle, it is also possible to be arranged on vehicle-mounted scialyscope 7
Or the position that other distance drivers are nearer, with the voice signal that effectively capture driver sends；Another one is as from Mike
Wind mic2, is used for gathering environment noise and background noise, may be mounted on vehicle-mounted scialyscope 7 or other distance drivers farther out
Position.
As a kind of preferred design of the present embodiment, two mikes mic1, mic2 are preferably all provided with by the present embodiment
Put in vehicle-mounted projector 7.In view of vehicle-mounted projector 7 in the course of the work, or camera lens is backwards, or camera lens is towards left or court
The right side, the front that direction is vehicle-mounted projector 7 of camera lens is installed in definition, then preferably main mike mic1 is arranged on vehicle-mounted projection
The rear of instrument 7 so that it is compare from mike mic2 can apart from driver closer to, in order to preferably gather the voice of driver；
The front of vehicle-mounted projector 7 will be arranged on so that it is comparing main mike mic1 can be farther apart from driver from mike mic2,
Preferably to gather background noise and the environment noise near 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 figure
Shown in 1.Wherein, receive described main mike mic1 by dual microphone noise reduction chip and gather the voice signal of output and from wheat
Gram wind mic2 gathers the noise signal of output, filters out noise signal from voice signal, to realize the noise reduction to voice signal
Process.Voice signal after noise reduction process is sent to voice recognition chip and carries out phonetic order by described dual microphone noise reduction chip
Identification, and be converted into data-voice instruction and send to the most described control module.
Traditional dual microphone voice de-noising algorithm can be used in dual microphone noise reduction chip, eliminate in voice signal
Noise.Being arranged on the rear seat windscreen of vehicle in view of vehicle-mounted projector, mike mic1, mic2 are arranged on vehicle-mounted projection
On instrument, also being located at the rear in compartment, different vehicles, its length of wagon is different, therefore, in order to effectively extract the language of driver
Sound, improves the success rate of speech recognition, and the present embodiment proposes a kind of noise reduction process method carrying out Gain tuning according to vehicle,
To improve the effect of voice pickup.Specifically, using dual microphone noise reduction chip that the voice signal received is dropped
Make an uproar process time, can previously according to vehicle adjust dual microphone noise reduction chip gain factor, i.e. to dual microphone noise reduction chip
The value of the gain factor in the dual microphone voice de-noising algorithm run is adjusted, and is caused because vehicle is different with minimizing
Voice pickup difference on effect.Specifically, adjusting during gain factor according to vehicle, should follow the longest gain of vehicle body because of
The rule that son is the biggest, the shortest gain factor of vehicle body is the least.Gain factor after adjusting substitutes into dual microphone voice de-noising algorithm,
To improve voice pickup effect.
The regulation of gain factor for convenience, the present embodiment preferably arranges multiple gear, shelves on vehicle-mounted projector
The corresponding a kind of vehicle in position, driver can be according to gear corresponding to the Truck type choice of oneself, and dual microphone noise reduction chip can root
Automatically gain factor is adjusted to the most numerically according to selected gear, to overcome the blindness of parameter adjustment.The present embodiment
Illustrate as a example by two gears are set, the most corresponding B level car and the space layout of C two kinds of vehicles of level car.Specifically, when
When the vehicle of user is B level car (such as SUV, cross-country etc. vehicle), owing to vehicle body is longer, be arranged on rear seat windscreen is vehicle-mounted
Gear farther out, now can be adjusted on the gear corresponding to B level car, select high gain mode by projector distance driver,
By increasing the value of gain factor, to improve voice pickup effect.Otherwise, when the vehicle of user is that C level car is (such as car, tight
Gather type compact car etc.) time, owing to vehicle body is shorter, the vehicle-mounted projector distance driver being arranged on rear seat windscreen is relatively near, this
Time gear can be adjusted on the gear corresponding to C level car, select low gain mode, by reduce gain factor value, 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 car, and
Using described gain factor as reference value, it is cured in program when product export, and using the gear corresponding to C level car as silent
Recognize gear, carry out Default Value.For B level car, the value that can adjust gain factor increases 50% than described reference value, i.e. B level car
Corresponding gain factor is 1.5 times of the gain factor corresponding to C level car, and after product export, user can be by regulation
Gear (is i.e. adjusted to B level car stop position from C level car stop position), thus internal gain is adjusted to the gain factor corresponding to C level car
1.5 times, i.e. enter high gain mode, thus the problem reducing the voice pickup difference on effect caused due to vehicle difference.
In the present embodiment, described projection module includes LED driver and data micro-mirror device DMD(Digital
Micromirror Device), described control module preferably employ be built-in with DMD controller DLP process chip (DLP's is complete
Title is Digital Light Processing, and the Chinese meaning is " optical digital computing technology ").Control to throw by control module
LED in shadow module lights and is adjusted the deflection angle of micro-reflector, to reach to show the purpose of image.
In order to extend the function of described vehicle-mounted optical projection system, the present embodiment is additionally provided with interface on described vehicle-mounted projector
Module, as it is shown in figure 1, specifically can include USB interface, WLAN interface and HDMI etc..Defeated by USB interface and WLAN interface
The video media-data entered can be processed into digital video signal via network media processor, sends to HDMI/DVI reception
Device, is sent to control module via HDMI/DVI receptor, video image projects to the front of vehicle controlling projection module
On wind glass, it is achieved movie theatre function in car.High-definition digital video signal for being accessed by HDMI can directly be transmitted
After processing to network media processor, output, to described control module, controls described projection by control module then
Module realizes the Projection Display of video image.
It is of course also possible to arrange the USB interface being specifically designed to debugging on vehicle-mounted projector, via EMI protection circuit even
Connect described control module, to realize the functions such as systematic parameter adjustment, software program upgrading.Master control at described vehicle-mounted projector
Arranging flash storage and DRAM memory on plate, the control module described in connection, for preserving software program and system ginseng
Number.
Described vehicle-mounted projector is operated by user for convenience, and the present embodiment also sets up in described vehicle-mounted projector
There is radio-frequency module, the control module described in connection.User can be received by radio-frequency module to be moved by remote controller or mobile phone etc.
The radio operation instruction that dynamic terminal sends, and it is converted into the control module that digital data transmission is the most described, to respond user operation.
The power supply being arranged on master control borad can be utilized for the working power needed for functional module each in vehicle-mounted projector
The DC source that automobile adapter is exported by management module carries out conversion and generates.Fan can also be installed in vehicle-mounted projector,
Receive the working power of power management module output, so that the electronic unit in vehicle-mounted projector to be dispelled the heat.
Use the vehicle-mounted optical projection system of the present embodiment, be possible not only to by the content of phonetic representation, driver is projected to car
On window, to the friendly information of nearby vehicle transmission, to guide numerous car owners to form the custom of civilization driving, but also can replace existing
Some vehicle-carrying display screen issuing advertisement informations, to meet the different application demand of car owner.
Certainly, described above is not to restriction of the present utility model, and this utility model is also not limited to the example above,
Change that those skilled in the art are made in essential scope of the present utility model, retrofit, add or replace,
Also protection domain of the present utility model should be belonged to.
Claims (10)
1. the vehicle-mounted optical projection system of a band speech identifying function, it is characterised in that include mike, speech processing module, control
Molding block, projection module and cloudy surface light-transmissive film；Described mike gathers the voice of driver, and generates voice signal output to language
After sound processing module processes, transmission to control module forms content to be shown；Described projection module connects described control
Module, the content to be shown described control module exported projects on described cloudy surface light-transmissive film, described cloudy surface light-transmissive film
It is attached on vehicle window, and makes the content car being projected on cloudy surface light-transmissive film outer visible.
The vehicle-mounted optical projection system of band speech identifying function the most according to claim 1, it is characterised in that described mike,
Speech processing module, control module and projection module are installed in vehicle-mounted projector, and described vehicle-mounted projector connects a rotation
Mechanism, described rotating mechanism is for being arranged on the medial surface of the rear seat windscreen of vehicle, and described cloudy surface light-transmissive film is attached to car
Left back vehicle window, right vehicle rear window and rear seat windscreen on.
The vehicle-mounted optical projection system of band speech identifying function the most according to claim 2, it is characterised in that described vehicle-mounted projection
Instrument and the operation bench communication of vehicle, receive the orientation regulating command that driver is inputted by operation bench, and it be defeated to generate driving signal
Go out to described rotating mechanism, to control rotating mechanism drive vehicle-mounted projector rotation, described content to be shown is projected to car
Left back vehicle window or right vehicle rear window or rear seat windscreen on.
The vehicle-mounted optical projection system of band speech identifying function the most according to claim 3, it is characterised in that described rotating mechanism
Including:
Sucker, for adsorbing the rear seat windscreen at vehicle；
Fixed mount, is arranged on described sucker；
Motor, is arranged on described fixed mount, receives the driving signal of described vehicle-mounted projector output, and at described driving signal
Control under rotate；
Power transmission shaft, connects described motor, being rotated by of described motor；
Wherein, described vehicle-mounted projector is arranged on described power transmission shaft, together rotates with power transmission shaft, to change projecting direction.
The vehicle-mounted optical projection system of band speech identifying function the most according to claim 4, it is characterised in that described fixed mount bag
Include:
Stator, is arranged on described sucker；
Bumper post, is vertically mounted on described stator；
Corner bracket, it includes two side plates docked at a certain angle, and wherein, the first side plate is arranged on described bumper post, second
Described motor installed by side plate；Described second side plate is horizontal when described rotating mechanism is arranged on the rear seat windscreen of vehicle
State, and then described vehicle-mounted projector level is hung in compartment.
The vehicle-mounted optical projection system of band speech identifying function the most according to claim 2, it is characterised in that described cloudy surface printing opacity
Film is light modulation film, is connected the operation bench of vehicle by power line, is energized when driver opens vehicle-mounted projector, makes to project to adjust
Content car on light film is outer visible.
7. according to the vehicle-mounted optical projection system of the band speech identifying function according to any one of claim 2 to 6, it is characterised in that
Described mike is provided with two, and one is the main mike for gathering driver's voice, and another is for gathering environment
Noise from mike, described speech processing module receives the voice signal of described main mike collection output and from mike
Gather the noise signal of output, after described voice signal is carried out noise reduction process, be converted into digital signal output to described control
Module.
The vehicle-mounted optical projection system of band speech identifying function the most according to claim 7, it is characterised in that described main mike
Being arranged on the rear of vehicle-mounted projector, be arranged on the front of vehicle-mounted projector from mike, wherein, the direction of camera lens is installed in definition
Front for vehicle-mounted projector.
The vehicle-mounted optical projection system of band speech identifying function the most according to any one of claim 1 to 6, it is characterised in that
Described control module is that the DLP being built-in with DMD controller processes chip, and external memorizer, described content to be shown is saved in
In memorizer, process chip for described DLP and call.
The vehicle-mounted optical projection system of band speech identifying function the most according to any one of claim 1 to 6, it is characterised in that
Also include:
Interface module, it includes USB interface, WLAN interface and HDMI；
Network media processor, connects described USB interface and WLAN interface, receives usb data or WLAN data, and is processed into
Digital video signal；
HDMI/DVI receptor, connects described HDMI and network media processor, receives by HDMI or network matchmaker
The digital video signal of body processor output, and after processing, output is to the most described control module, by control module control
Video image is projected on the front windshield of vehicle by projection module；
Radio-frequency module, the control module described in connection, it is used for setting up described control module and external remote or mobile terminal
Between data interaction path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620837717.6U CN205871923U (en) | 2016-08-04 | 2016-08-04 | Take voice recognition function's on -vehicle projecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620837717.6U CN205871923U (en) | 2016-08-04 | 2016-08-04 | Take voice recognition function's on -vehicle projecting system |
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| Publication Number | Publication Date |
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| CN205871923U true CN205871923U (en) | 2017-01-11 |
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| CN201620837717.6U Expired - Fee Related CN205871923U (en) | 2016-08-04 | 2016-08-04 | Take voice recognition function's on -vehicle projecting system |
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| CN (1) | CN205871923U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043150A (en) * | 2016-08-04 | 2016-10-26 | 歌尔科技有限公司 | Vehicle-mounted projection system with speech recognition function |
| CN108327489A (en) * | 2018-03-29 | 2018-07-27 | 华南理工大学 | A kind of intelligent dimming drives display device and method |
| CN108725199A (en) * | 2017-04-21 | 2018-11-02 | 中车株洲电力机车研究所有限公司 | A kind of display system, method and application based on speech control |
| 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 |
| CN110562128A (en) * | 2019-09-19 | 2019-12-13 | 罗霞 | Light projection alarm for automobile glass |
| CN110876047A (en) * | 2018-09-04 | 2020-03-10 | 比亚迪股份有限公司 | Vehicle exterior projection method, device, equipment and storage medium |
| CN110933388A (en) * | 2019-10-25 | 2020-03-27 | 广汽蔚来新能源汽车科技有限公司 | Projection imaging system, method, device and vehicle |
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2016
- 2016-08-04 CN CN201620837717.6U patent/CN205871923U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043150A (en) * | 2016-08-04 | 2016-10-26 | 歌尔科技有限公司 | Vehicle-mounted projection system with speech recognition function |
| CN106043150B (en) * | 2016-08-04 | 2018-02-09 | 歌尔科技有限公司 | A kind of vehicle-mounted optical projection system with speech identifying function |
| CN108725199A (en) * | 2017-04-21 | 2018-11-02 | 中车株洲电力机车研究所有限公司 | A kind of display system, method and application based on speech control |
| CN108327489A (en) * | 2018-03-29 | 2018-07-27 | 华南理工大学 | A kind of intelligent dimming drives display device and method |
| CN110876047A (en) * | 2018-09-04 | 2020-03-10 | 比亚迪股份有限公司 | Vehicle exterior projection method, device, equipment and storage medium |
| 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 |
| CN110562128A (en) * | 2019-09-19 | 2019-12-13 | 罗霞 | Light projection alarm for automobile glass |
| CN110933388A (en) * | 2019-10-25 | 2020-03-27 | 广汽蔚来新能源汽车科技有限公司 | Projection imaging system, method, device and vehicle |
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