CN103501380A - Vehicle-mounted mobile phone interconnection transmission method and system thereof - Google Patents
Vehicle-mounted mobile phone interconnection transmission method and system thereof Download PDFInfo
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- CN103501380A CN103501380A CN201310372950.2A CN201310372950A CN103501380A CN 103501380 A CN103501380 A CN 103501380A CN 201310372950 A CN201310372950 A CN 201310372950A CN 103501380 A CN103501380 A CN 103501380A
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Abstract
The invention discloses a vehicle-mounted mobile phone interconnection transmission system which comprises a navigation touch module and a portable mobile terminal. The navigation touch module and the portable mobile terminal are connected through a mobile phone interconnection module. The mobile phone interconnection module comprises a Bluetooth module, a central processing unit, an audio amplifier, an audio/video signal processor, a video digital and analog converter and a connection socket, wherein the audio/video signal processor, the video digital and analog converter and the connection socket are connected in sequence. The central processing unit is respectively in electric connection with the audio/video signal processor, the video digital and analog converter, the Bluetooth module and the connection socket. The navigation touch module is connected with the connection socket. The invention further provides a vehicle-mounted mobile phone interconnection transmission method. When a mobile phone is in interconnection with a vehicle-mounted interconnection module, image data are sent to the navigation touch module from the mobile phone in real time, and images of the mobile phone can be directly displayed on the navigation touch module in a full-screen mode; meanwhile, by means of the system and the method, synchronous interaction of the navigation touch module and the portable mobile terminal can be achieved, and entertainment and individuation functions of vehicle-mounted navigation can be improved.
Description
Technical field
The present invention relates to the vehicle mounted guidance field, be specifically related to a kind of transmission system and the method for vehicle mounted guidance and mobile phone.
Background technology
In the middle of modern life application, mobile phone has become the necessity of people's life, and the combination of mobile phone and vehicle mounted guidance will be used various application software and entertainment applications by more convenient ground driver assistance in the process of driving.Yet, because the technical barrier of existing navigation fails to break through, mobile phone also only limits to conversation and is connected song with the interaction between vehicle mounted guidance, the interface in navigation is single interface, can not have personalized broadcasting and call interface.In the patent that application number is 03106196.6, mention, the screen data of mobile phone is presented on the display screen of car-mounted device, yet, relevant button need to be through processing again, be also that soft-touch control independently is placed on the place, space stayed, switch, button are also that the mode shown not according to former mobile phone is shown, for the designer of software, the change at its interface will make overall aesthetics be subject to certain impact; Along with the application of cell phone software increases, recreational enhancing, being applied on vehicle mounted guidance on mobile phone can't pick up the pace and synchronously use.For the fast development of mobile phone terminal technology, the relevant art of vehicle mounted guidance is also in the urgent need to obtaining synchronous progress.
Summary of the invention
Technical problem to be solved by this invention is to provide and a kind ofly can between mobile phone terminal and vehicle mounted guidance terminal, realizes the system of interconnected control; The present invention also provides the means of communication of a kind of mobile phone and the interconnected process of vehicle mounted guidance.
The technical scheme of technical solution problem of the present invention is as follows:
The interconnected transmission method of a kind of vehicle carried mobile phone, comprise that navigation touches module, vehicle-mounted interconnected module and portable mobile terminal, and the method comprises the steps:
A. detect vehicle-mounted interconnected module and portable mobile terminal connection status, when vehicle-mounted interconnected module is connected with portable mobile terminal, vehicle-mounted interconnected module is set up communication by bluetooth equipment or usb data line and portable mobile terminal, and vehicle-mounted interconnected module touches module by serial ports and navigation and sets up communication;
B. described portable mobile terminal often is separated by the set time, send the view data of the screen of portable mobile terminal demonstration by bluetooth equipment or the vehicle-mounted interconnected module of usb data alignment, the Terminal Control Element of portable mobile terminal detects the input of visual operation director data, when the portable mobile terminal demonstration has the instruction button, by bluetooth equipment or usb data line, send the position data of described visible instructions button and there is the view data of instruction button to vehicle-mounted interconnected module simultaneously;
C., after the signal processor processes of described vehicle-mounted interconnected module receives view data, central processing unit with instruction button and processes the position data of the visible instructions button received, being sent to respectively the navigation MCU that navigation touches module simultaneously;
D. the MCU that navigates touches the touch display screen pixel of module according to navigation, generate position data and the view data of projection instruction button, and the view data that output has a projection instruction button touches on the touch display screen of module to navigation;
E. the MCU that navigates receives the touching signals from the projection instruction button on touch display screen, when projection instruction key-press input touching signals, navigation touches module via vehicle-mounted interconnected module, by bluetooth equipment or usb data alignment portable mobile terminal, sends the visual operation director data.
As to the further describing of the interconnected transmission method of above-mentioned vehicle carried mobile phone, described portable mobile terminal sends sound or video data to vehicle-mounted interconnected module in real time.
As further describing the interconnected transmission method of above-mentioned vehicle carried mobile phone, the navigation of step D touches the module reception to have the view data of instruction button and resolves source image pixels, calculate touch display screen pixel and source image pixels ratio, and the view data that zoom in/out receives is and the touch display screen in the same size; The computations button is positioned at the screen relative position of portable mobile terminal, and the ratio of touch display screen pixel and source image pixels, and projection instruction button is positioned on the position of corresponding touch display screen ratio.
As to the further describing of the interconnected transmission method of above-mentioned vehicle carried mobile phone, the ratio between described projection instruction button, instruction button is consistent with the ratio of touch display screen pixel, source image pixels.
The interconnected transmission system of a kind of vehicle carried mobile phone, comprise that navigation touches module and portable mobile terminal, navigation touches between module and portable mobile terminal is joined by the interconnected module of mobile phone, the interconnected module of described mobile phone comprises bluetooth module, central processing unit, audio frequency amplifier, the audio-video signal processor connected successively, video dac and gang socket, described central processing unit respectively with the audio-video signal processor, video dac, bluetooth module and gang socket are electrically connected, described navigation touches module and is connected with gang socket, be connected with 8 RGB digital signal transmission lines between described audio-video signal processor and video dac, described bluetooth module is provided with to the Bluetooth antenna of mobile phone terminal receiving and transmitting signal, audio frequency amplifier is connected with audio-video signal processor and gang socket respectively.
As further describing the interconnected transmission system of above-mentioned vehicle carried mobile phone, the interconnected module of mobile phone also comprises the MHL transducer, between described portable mobile terminal and MHL transducer, by USB interface, be connected, the HDMI signal output part of described MHL transducer and the HDMI signal input part of audio-video signal processor are electrically connected.
As to the further describing of the interconnected transmission system of above-mentioned vehicle carried mobile phone, between described audio-video signal processor and video dac, also be connected with the synchronizing signal connection; Be connected with RGB transmission line analog signal and synchronous transmission of signal line between video dac and gang socket.
As to the further describing of the interconnected transmission system of above-mentioned vehicle carried mobile phone, also comprise and expand the HDMI interface, described expansion HDMI interface is connected with the expansion HDMI signal input part of described audio-video signal processor.
As further describing the interconnected transmission system of above-mentioned vehicle carried mobile phone, the clock signal output terminal of described central processing unit (CLK0) and data output end (SDA0) are electrically connected with the audio-video signal processor, and the control signal communication terminal of central processing unit and described gang socket are electrically connected.
As further describing the interconnected transmission system of above-mentioned vehicle carried mobile phone, be connected with respectively the left and right sound channels signal transmssion line between described audio-video signal processor and audio frequency amplifier, be connected with respectively the left and right sound channels audio output line between described audio frequency amplifier and gang socket.
The invention has the beneficial effects as follows: use the MHL transducer to carry out the broadcasting support conversion of HD video, realize the high definition film source broadcast decoder support of vehicle mounted guidance, make this connector can use one to complete all interface functions, be reduced to the loaded down with trivial details design that adapts to different interface type and increase multiple outside expansion interface.Simultaneously, be connected to an expansion HDMI interface at audio-video signal processor place, can be in the situation that the expansion that needs to carry out video be arranged.When mobile phone is connected with vehicle-mounted interconnected module, send in real time view data to navigation from mobile phone and touch module, can directly in navigation, touch on module, show the image that there is the instruction button on the portable mobile terminal display screen, the display pixel that vehicle-mounted interconnected module touches module according to navigation carries out scale operation, the image of mobile phone can be touched on module and is displayed in full screen in navigation, the application experience that realizes navigation touch module is consistent with mobile terminal, simultaneously, this systems approach can realize that navigation touches the synchronization interactive of module and portable mobile terminal, improve the recreational and personalized function of vehicle mounted guidance.
The accompanying drawing explanation
Fig. 1 is the syndeton schematic diagram of the interconnected module internal of mobile phone;
Fig. 2 is the signal pins johning knot composition of central processing unit;
Fig. 3 is the signal pins johning knot composition of audio-video signal processor;
Fig. 4 is the signal pins johning knot composition of MHL transducer;
Fig. 5 is the signal pins johning knot composition of gang socket;
Fig. 6 is the signal pins johning knot composition of expanding the HDMI interface;
Fig. 7 is the signal pins johning knot composition of video dac;
Fig. 8 is the signal pins johning knot composition of bluetooth power-supply unit;
Fig. 9 is the signal pins johning knot composition of audio frequency amplifier;
Figure 10 is transport stream signal journey schematic diagram of the present invention.
Embodiment
Further illustrate the present invention below in conjunction with accompanying drawing 1～accompanying drawing 10.
The interconnected transmission method of a kind of vehicle carried mobile phone of the present invention, as shown in figure 10, comprise that navigation touches module, vehicle-mounted interconnected module and portable mobile terminal, and the method comprises the steps:
A. detect vehicle-mounted interconnected module and portable mobile terminal connection status, when vehicle-mounted interconnected module is connected with portable mobile terminal, vehicle-mounted interconnected module is set up communication by bluetooth equipment or usb data line and portable mobile terminal, and vehicle-mounted interconnected module touches module by serial ports and navigation and sets up communication;
B. described portable mobile terminal often is separated by the set time, send the view data of the screen of portable mobile terminal demonstration by bluetooth equipment or the vehicle-mounted interconnected module of usb data alignment, the Terminal Control Element of portable mobile terminal detects the input of visual operation director data, when the portable mobile terminal demonstration has the instruction button, by bluetooth equipment or usb data line, send the position data of described visible instructions button and there is the view data of instruction button to vehicle-mounted interconnected module simultaneously;
C., after the signal processor processes of described vehicle-mounted interconnected module receives view data, central processing unit with instruction button and processes the position data of the visible instructions button received, being sent to respectively the navigation MCU that navigation touches module simultaneously;
D. the MCU that navigates touches the touch display screen pixel of module according to navigation, generate position data and the view data of projection instruction button, and the view data that output has a projection instruction button touches on the touch display screen of module to navigation;
E. the MCU that navigates receives auto-navigation to touch the touching signals of the projection instruction button on the touch display screen of module, when projection instruction key-press input touching signals, navigation touches module via vehicle-mounted interconnected module, by bluetooth equipment or usb data alignment portable mobile terminal, sends the visual operation director data.
As to the further describing of the interconnected transmission method of above-mentioned vehicle carried mobile phone, described portable mobile terminal sends sound or video data to vehicle-mounted interconnected module in real time.
As further describing the interconnected transmission method of above-mentioned vehicle carried mobile phone, the navigation of step D touches the module reception to have the view data of instruction button and resolves source image pixels, calculate touch display screen pixel and source image pixels ratio, and the view data that zoom in/out receives is and the touch display screen in the same size; The computations button is positioned at the screen relative position of portable mobile terminal, and the ratio of touch display screen pixel and source image pixels, and projection instruction button is positioned on the position of corresponding touch display screen ratio.
As to the further describing of the interconnected transmission method of above-mentioned vehicle carried mobile phone, the ratio between described projection instruction button, instruction button is consistent with the ratio of touch display screen pixel, source image pixels.
The interconnected transmission system of a kind of vehicle carried mobile phone, with reference to Fig. 1-9, comprise that navigation touches module and portable mobile terminal, navigation touches between module and portable mobile terminal is joined by the interconnected module of mobile phone, the interconnected module of described mobile phone comprises bluetooth module, central processing unit, audio frequency amplifier, the audio-video signal processor connected successively, video dac and gang socket, described central processing unit respectively with the audio-video signal processor, video dac connects, and the control signal communication terminal TX of central processing unit, RX and described gang socket are electrically connected, described navigation touches module and is connected with gang socket, be connected with 8 RGB digital signal transmission lines between described audio-video signal processor and video dac, wherein, each 8 R digital signal transmission lines that connect the audio-video signal processor, G digital signal transmission line and B digital signal transmission line, be connected to the R0～R7 of video dac, B0～B7, G0～G7 pin, described bluetooth module is provided with the Bluetooth antenna ANT to the mobile phone terminal receiving and transmitting signal, is connected with serial port control signal transmission line TX, RX between central processing unit and bluetooth module.
As further describing the interconnected transmission system of above-mentioned vehicle carried mobile phone, the interconnected module of mobile phone also comprises the MHL transducer, between described portable mobile terminal and MHL transducer, by USB interface, be connected, the HDMI signal input part of HDMI signal output part HDMI2-RX0, HDMI2-RX1, HDMI2-RX2, HDMI2-RXC and the audio-video signal processor of described MHL transducer is electrically connected.
As to the further describing of the interconnected transmission system of above-mentioned vehicle carried mobile phone, between described audio-video signal processor and video dac, also be connected with the synchronizing signal connection; Be connected with RGB transmission line analog signal and synchronous transmission of signal line between video dac and gang socket.
As to the further describing of the interconnected transmission system of above-mentioned vehicle carried mobile phone, also comprise and expand the HDMI interface, described expansion HDMI interface is connected with the expansion HDMI signal input part of described audio-video signal processor.
As to the further describing of the interconnected transmission system of above-mentioned vehicle carried mobile phone, the clock signal output terminal of described central processing unit (CLK0) and data output end (SDA0) are electrically connected with the audio-video signal processor.
As further describing the interconnected transmission system of above-mentioned vehicle carried mobile phone, be connected with respectively the left and right sound channels signal transmssion line between described audio-video signal processor and audio frequency amplifier, the L channel audio frequency output pin LOUT1 of audio frequency amplifier is connected with LOUT and the ROUT of gang socket respectively with right audio channel output pin ROUT1, is respectively the left and right sound channels audio output line of connection between the two.Be connected with mute signal line MUTE between the pin 34 of central processing unit and the pin 5 of audio frequency amplifier, preferably, between the pin 34 of central processing unit and the pin 5 of audio frequency amplifier, be connected to a triode Q301.
The present invention can the choice for use bluetooth or the connected mode of USB with vehicle-mounted interconnected module, be connected.The bluetooth module of configuration can facilitate the user to be connected at any time; And utilize the MHL transducer can support the audio transmission of the highest 192 kHz, and provide the highest 7.1 sound channel LPCM(Linear Pulse Code Modulations) surround sound and compressed audio, also only need the electric current of 5V voltage and 500mA on power, thereby its high definition acoustical quality, low-power consumption had; Use the HDMI video interface, the data that can make mobile terminal send obtain minimum compression losses simultaneously, improve the fidelity of picture and sound.
Whole signals transmission of the present invention: the user is by the operation portable mobile terminal, the whole interface images of its demonstration is converted into image and delivers on vehicle-mounted interconnected module, this image comprises that the image of visible instructions button transforms, by the visible instructions button, corresponding position data sends on vehicle-mounted interconnected module in the lump simultaneously, vehicle-mounted interconnected module is through processing, by jack interface, signal being input to navigation touches in module, in processing procedure, the navigation that vehicle-mounted interconnected module can obtain connection touches the module parameter, display pixel to source images and navigation touch module carries out ratio calculating, the order button position, and output image data is to the size that is applicable to navigation touch module displays, navigation touches module and then image and the position information process received is shown.When navigation touch module receives touch signal in projection order button position, the visual operation director data that this projection instruction button is corresponding is transferred on portable mobile terminal by vehicle-mounted interconnected module, this visual operation director data is equivalent to the touch signal that portable mobile terminal receives, and with this, realizes touching in navigation the touch action of the touch-control replacement portable mobile terminal on module.
Above embodiment is merely illustrative and not limiting to the invention, and the equivalence of doing according to the described method of patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (10)
1. the interconnected transmission method of vehicle carried mobile phone, comprise that navigation touches module, vehicle-mounted interconnected module and portable mobile terminal, and the method comprises the steps:
A. detect vehicle-mounted interconnected module and portable mobile terminal connection status, when vehicle-mounted interconnected module is connected with portable mobile terminal, vehicle-mounted interconnected module is set up communication by bluetooth equipment or usb data line and portable mobile terminal, and vehicle-mounted interconnected module touches module by serial ports and navigation and sets up communication;
B. described portable mobile terminal often is separated by the set time, send the view data of the screen of portable mobile terminal demonstration by bluetooth equipment or the vehicle-mounted interconnected module of usb data alignment, the Terminal Control Element of portable mobile terminal detects the input of visual operation director data, when the portable mobile terminal demonstration has the instruction button, by bluetooth equipment or usb data line, send the position data of described visible instructions button and there is the view data of instruction button to vehicle-mounted interconnected module simultaneously;
C., after the signal processor processes of described vehicle-mounted interconnected module receives view data, central processing unit with instruction button and processes the position data of the visible instructions button received, being sent to respectively the navigation MCU that navigation touches module simultaneously;
D. the MCU that navigates touches the touch display screen pixel of module according to navigation, generate position data and the view data of projection instruction button, and the view data that output has a projection instruction button touches on the touch display screen of module to navigation;
E. the MCU that navigates receives the touching signals from the projection instruction button on touch display screen, when projection instruction key-press input touching signals, navigation touches module via vehicle-mounted interconnected module, by bluetooth equipment or usb data alignment portable mobile terminal, sends the visual operation director data.
2. the interconnected transmission method of vehicle carried mobile phone according to claim 1 is characterized in that: described portable mobile terminal sends sound or video data to vehicle-mounted interconnected module in real time.
3. the interconnected transmission method of vehicle carried mobile phone according to claim 1, it is characterized in that: the navigation of step D touches the module reception to have the view data of instruction button and resolves source image pixels, calculate touch display screen pixel and source image pixels ratio, and the view data that zoom in/out receives is and the touch display screen in the same size; The computations button is positioned at the screen relative position of portable mobile terminal, and the ratio of touch display screen pixel and source image pixels, and projection instruction button is positioned on the position of corresponding touch display screen ratio.
4. the interconnected transmission method of vehicle carried mobile phone according to claim 3, it is characterized in that: the ratio between described projection instruction button, instruction button is consistent with the ratio of touch display screen pixel, source image pixels.
5. the interconnected transmission system of vehicle carried mobile phone of utilizing the interconnected transmission method of vehicle carried mobile phone claimed in claim 1 to implement, comprise that navigation touches module and portable mobile terminal, described navigation touches module and the portable mobile terminal communication connects, it is characterized in that: navigation touches between module and portable mobile terminal is joined by the interconnected module of mobile phone, the interconnected module of described mobile phone comprises bluetooth module, central processing unit, audio frequency amplifier, the audio-video signal processor connected successively, video dac and gang socket, described central processing unit respectively with the audio-video signal processor, video dac, bluetooth module and gang socket are electrically connected, described navigation touches module and is connected with gang socket, be connected with 8 RGB digital signal transmission lines between described audio-video signal processor and video dac, described bluetooth module is provided with to the Bluetooth antenna of mobile phone terminal receiving and transmitting signal, audio frequency amplifier is connected with audio-video signal processor and gang socket respectively.
6. the interconnected transmission system of vehicle carried mobile phone according to claim 5, it is characterized in that: the interconnected module of mobile phone also comprises the MHL transducer, between described portable mobile terminal and MHL transducer, by USB interface, be connected, the HDMI signal output part of described MHL transducer and the HDMI signal input part of audio-video signal processor are electrically connected.
7. the interconnected transmission system of vehicle carried mobile phone according to claim 5, is characterized in that: between described audio-video signal processor and video dac, also be connected with the synchronizing signal connection; Be connected with RGB transmission line analog signal and synchronous transmission of signal line between video dac and gang socket.
8. the interconnected transmission system of vehicle carried mobile phone according to claim 5 is characterized in that: also comprise and expand the HDMI interface, described expansion HDMI interface is connected with the expansion HDMI signal input part of described audio-video signal processor.
9. the interconnected transmission system of vehicle carried mobile phone according to claim 5, it is characterized in that: the clock signal output terminal of described central processing unit (CLK0) and data output end (SDA0) are electrically connected with the audio-video signal processor, and the control signal communication terminal of central processing unit and described gang socket are electrically connected.
10. the interconnected transmission system of vehicle carried mobile phone according to claim 5, it is characterized in that: be connected with respectively the left and right sound channels signal transmssion line between described audio-video signal processor and audio frequency amplifier, be connected with respectively the left and right sound channels audio output line between described audio frequency amplifier and gang socket.
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| CN104883617A (en) * | 2014-02-27 | 2015-09-02 | 深圳市安普尔科技有限公司 | Multi-screen interaction system and method |
| CN104935741A (en) * | 2015-06-05 | 2015-09-23 | 北京九五智驾信息技术股份有限公司 | Interconnecting method and system of vehicle-mounted information and entertainment device and mobile terminal |
| CN105025152A (en) * | 2014-04-17 | 2015-11-04 | 中兴通讯股份有限公司 | Terminal operation control method and device |
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| CN105554307A (en) * | 2016-01-29 | 2016-05-04 | 黄利文 | System and method for realizing control of mobile phone by automobile computer through MHL |
| CN111756915A (en) * | 2019-03-29 | 2020-10-09 | 上海擎感智能科技有限公司 | Method for projecting vehicle-mounted screen by mobile terminal application program and vehicle-mounted projection system |
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| CN111756915A (en) * | 2019-03-29 | 2020-10-09 | 上海擎感智能科技有限公司 | Method for projecting vehicle-mounted screen by mobile terminal application program and vehicle-mounted projection system |
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Application publication date: 20140108 |