CN104270660A - Vehicle-mounted and mobile equipment interconnection system based on Slimport technology - Google Patents
Vehicle-mounted and mobile equipment interconnection system based on Slimport technology Download PDFInfo
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- CN104270660A CN104270660A CN201410566248.4A CN201410566248A CN104270660A CN 104270660 A CN104270660 A CN 104270660A CN 201410566248 A CN201410566248 A CN 201410566248A CN 104270660 A CN104270660 A CN 104270660A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 5
- 238000011022 operating instruction Methods 0.000 claims description 3
- 230000006854 communication Effects 0.000 abstract description 6
- 238000004891 communication Methods 0.000 abstract description 5
- 230000003993 interaction Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
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- 238000013480 data collection Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41422—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance located in transportation means, e.g. personal vehicle
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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Abstract
The invention relates to a Vehicle-mounted and mobile equipmentinterconnection system based on the Slimport technology and belongs to the field of Internet of Vehicles and the Slimport technology. The vehicle-mounted mobile equipment interconnection system comprises a Bluetooth module, an Slimport module, a selection module and an audio unit. A vehicle-mounted unit and mobile equipment are interconnected through the Bluetooth module and the Slimport module to transmit control signals and operation instructions, the selection module receives the signals of the vehicle-mounted unit and the mobile equipment and makes a choice, then the Bluetooth module is used for sending or receiving control executive commands, and the Slimport module is used for sending or receiving audio/video signals. According to the vehicle-mounted unit and mobile equipment interconnection system based on the Slimport technology, interconnection of vehicle-mounted audio equipment and smart phones is achieved through audio/video transmission of mirror images on the same screen of the Slimport module, interaction of the vehicle-mounted audio equipment and the smart phones is achieved through Bluetooth information exchange, and the problem in the prior art that single Bluetooth wireless signals are unstable in the communication between the vehicle-mounted equipment and the phones through is solved.
Description
Technical field
The present invention relates to car networking and Slimport technical field, particularly a kind of based on Slimport technology vehicle-mounted-mobile device interconnected systems.
Background technology
Within 2013, Chinese overall mobile phone market shipment amount will reach 3.8 hundred million, and year-on-year growth rate is 5.0%; Wherein smart mobile phone shipment amount will reach 3.0 hundred million, increase by 44.0% on a year-on-year basis.Meanwhile, IDC expect 2013 the end of the year China smart mobile phone will reach 500,000,000.In the smart mobile phone to dispatch from the factory for 2013, android system and IOS system account for the market share of more than 95%, and the later smart mobile phone of Android 4.2 all supports that Miracast based on WIFI is with the transmission of screen mirror image; Mobile phone in recent years released by apple and flat board is all supported to transmit with screen mirror image based on the airplay of WIFI.
According to statistics, car user scholar will have weekly 20 hours to spend in automobile, and mobile device such as smart mobile phone will bring more and more to consumer, whenever and wherever possible, indispensable application, the allied member of car networking represents the smart mobile phone market of 80% global vehicle-mounted market and 70%.Consumer can access interactive application whenever and wherever possible by smart mobile phone, and car-mounted terminal, as the sound equipment of mobile phone and data collection station, bring consumer better experience effect, but vehicle-mounted telematic services always lags behind general consumer device.Driver plays phone and plays other functions such as music in driving way, all need look at mobile phone screen or touch mobile phone screen, the attentiveness of easy dispersion human pilot, simultaneously existing vehicle-mounted-the mutual radio communication of mobile phone controls to be based on blue teeth wireless signal mostly, but due to automobile jitter in the process of moving, the signal transmission of the inner facility of automobile also can affect the stability of Bluetooth signal, especially vision signal, the direct play quality affecting vision signal, single Bluetooth signal can not in vehicle traveling process vehicle-mounted-stability that contacts with each other of mobile phone.
Summary of the invention
In order to overcome the problem of single blue teeth wireless jitter in mobile unit and mobile communication in prior art, the invention provides a kind of based on Slimport technology vehicle-mounted-mobile device interconnected systems.
Technical scheme of the present invention is: a kind of based on Slimport technology vehicle-mounted-mobile device interconnected systems, this system comprises bluetooth module, Slimport module, select module and acoustics unit, board units and mobile device are connected to each other transmission of control signals and operating instruction by bluetooth module and Slimport module, select module and bluetooth module, Slimport model calling, after the signal selecting module to receive board units and mobile device is selected, sent by bluetooth module or receive control fill order, sent by Slimport module or receive audio-video signal, acoustics unit is play according to command signal or the instruction of display audio frequency and video.
Signal transfer line in this system is: when board units transmits a signal to mobile device, board units issues a signal to selection module, select module to read signal to be control command signal or to be audio-video signal, when being control command signal, signal is sent to mobile device by bluetooth module; When being audio-video signal, signal is sent to mobile device by Slimport module, and mobile device performs playing audio-video instruction or carries audio, video data to board units; When mobile device sends a signal to board units, module is selected to carry out signal judgement and selection equally.
Be provided with interface in described board units and carry out Slimport model calling, interface is mobile terminal high-definition audio and video standard interface, CAN-USB interface or LVDS interface.Described interface function comprises: the specific board units data of active push are to mobile device; Specific data in board units is returned under the request of mobile device; The configuration of automobile parameter is completed under the control of mobile device.Same frequency mirror image audio, video data in mobile device is transferred to acoustics unit and carries out by described Slimport module, if do not have display in board units, the side mirror picture that board units is monitored by Slimport module and navigation way figure are transferred to mobile device and carry out display screen display.
Described acoustics unit comprises the record running instrument of display screen, audio player, vehicle backing backsight input signal and board units.The circuit of described display screen connects and comprises V-COM regulating circuit, LVDS conversion chip, TFT screen gang socket and touch socket, and V-COM regulating circuit and TFT shield gang socket and be connected on LVDS conversion chip, touch socket and are arranged on conversion chip.
The present invention has following good effect: the invention describes a kind of on-vehicle acoustic apparatus of band bluetooth communication and Slimport data transmission technology and mobile device (smart mobile phone) of utilizing and form interactive cooperation information entertainment.Whole system realizes interconnected, the interaction that realized on-vehicle acoustic apparatus and smart mobile phone by Bluetooth information alternately of on-vehicle acoustic apparatus and smart mobile phone with the audio video transmission of screen mirror image by mobile phone Slimport module.The mobile devices such as mobile phone are as the source of media of on-vehicle acoustic apparatus, and on-vehicle acoustic apparatus is as mobile device display screen, multimedia loudspeaker box and control terminal.
Accompanying drawing explanation
Fig. 1 be in the present invention based on Slimport technology vehicle-mounted-system architecture diagram of mobile device interconnected systems;
Fig. 2 be in the present invention based on Slimport technology vehicle-mounted-mobile device interconnected systems in display screen circuit theory diagrams.
Fig. 3 be in the present invention based on Slimport technology vehicle-mounted-the Slimport modular circuit theory diagram of mobile device interconnected systems.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and operation principle, manufacturing process and operation using method etc., be described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
A kind of based on Slimport technology vehicle-mounted-mobile device interconnected systems, as shown in Figure 1, this system comprises bluetooth module, Slimport module, select module and acoustics unit, board units and mobile device are connected to each other transmission of control signals and operating instruction by bluetooth module and Slimport module, select module and bluetooth module, Slimport model calling, after the signal selecting module to receive board units and mobile device is selected, sent by bluetooth module or receive control fill order, sent by Slimport module or receive audio-video signal, acoustics unit is play according to command signal or the instruction of display audio frequency and video.
Signal transfer line in system is: when board units transmits a signal to mobile device, board units issues a signal to selection module, select module to read signal to be control command signal or to be audio-video signal, when being control command signal, signal is sent to mobile device by bluetooth module; When being audio-video signal, signal is sent to mobile device by Slimport module, and mobile device performs playing audio-video instruction or carries audio, video data to board units; When mobile device sends a signal to board units, module is selected to carry out signal judgement and selection equally.The present invention is intended to effective wireless connections of the mobile devices such as specification smart mobile phone and the onboard system without display screen, and forms good Consumer's Experience.Adopt this standard carry out mobile device-Che machine interconnected time, can realize the installation mobile device of application specific software and the double-direction control of car machine, make user in vehicle traveling process, without looking at the mobile device screens such as mobile phone, touch screen or operation push-button, only need to control mobile phone by the physical button on vehicle-mounted or voice command, comprise answer/make phone, media play, GPS navigation etc., also vehicle backing backsight can be completed simultaneously, vehicle data collection, failure diagnosis, the functions such as remote monitoring, thus realize low cost, the vehicle-mounted information and entertainment system of high intelligent vehicle machine-mobile device resource-sharing.
Be provided with interface in board units and carry out Slimport model calling, interface is mobile terminal high-definition audio and video standard interface (MHL), CAN-USB interface or LVDS interface, these interfaces can realize the high definition transmission of audio, video data, audio-video signal can not be damaged, data transfer rate is high simultaneously, noise is low, can certainly select general USB interface.Interface function in board units comprises: the specific board units data of active push are to mobile device; Specific data in board units is returned under the request of mobile device; The configuration of automobile parameter is completed under the control of mobile device.The guarantee of interface function, ensure that the information interaction between vehicle and mobile device, and simultaneously mobile device also can every operational factor of monitor vehicle, operating and controlling vehicle attribute.
Bluetooth module in the present invention is that transfer of data reaches 24Mbps based on IEEE 802.15 Bluetooth wireless communication codes and standards; Slimport is based on DisplayPort technology, can be advantageously connected to the display interface of all standards, comprises VGA, DVI, HDMI and follow-on DisplayPort display, the 1080p 3D video of tenaculum 7.1 channel audio.Bluetooth module connects vehicle audio and user's Bluetooth mobile equipment constitutes wireless communication networks in car, and user mobile phone installs special communication process software to realize by mobile device interface and automobile exchange message object.Vehicle audio uses physical button, touch-screen button or voice, controls Intelligent mobile equipment by bluetooth module, and Intelligent mobile equipment completes control to vehicle audio terminal and operation by bluetooth module.
The circuit theory diagrams of Slimport module as shown in Figure 2, include MHL signal input socket in circuit and carry out the D/A converting unit of audio, video data conversion, 3.3V voltage conversion unit, 1.8V voltage conversion unit and digital audio output unit, supply voltage is converted to the normal voltage that applicable circuit is suitable for by 3.3V voltage conversion unit and 1.8V voltage conversion unit, MHL signal input socket connects input signal to D/A converting unit, and D/A converting unit connects digital audio output unit.Same frequency mirror image audio, video data in mobile device is transferred to acoustics unit and carries out by Slimport module, if do not have display in board units, the side mirror picture that board units is monitored by Slimport module and navigation way figure are transferred to mobile device and carry out display screen display.Audio, video data with screen mirror image is transferred to vehicle audio terminal by Slimport module by the mobile devices such as smart mobile phone, realizes the interconnected of on-vehicle acoustic apparatus and smart mobile phone.Mainly through Slimport technology in transmitting with the audio, video data shielding mirror image, SlimPort provides high-definition content from mobile device to any display interface by existing mobile USB connector, equipment manufacturers are enable to design the mobile product of thinner, more convenient user use, in addition Slimport technology is based on open standard, and SlimPort technology is without any royalty, expense or annual fee.
Acoustics unit comprises the record running instrument of display screen, audio player, vehicle backing backsight input signal and board units.The circuit of display screen connects and comprises V-COM regulating circuit, LVDS conversion chip, TFT screen gang socket and touch socket, V-COM regulating circuit and TFT shield gang socket and are connected on LVDS conversion chip, touching socket is arranged on conversion chip, as shown in Figure 3.Vehicle audio unit as AM/FM radio reception, MP3/WMA/MP4 digital broadcast, reversing reflection, also has on-vehicle Bluetooth, vehicle-mounted Slimport receiving function except normal amusement function.The interactive cooperation of car-mounted terminal and smart mobile phone can be realized, and the partial function of car networking
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (8)
1. one kind based on Slimport technology vehicle-mounted-mobile device interconnected systems, it is characterized in that, this system comprises bluetooth module, Slimport module, select module and acoustics unit, board units and mobile device are connected to each other transmission of control signals and operating instruction by bluetooth module and Slimport module, select module and bluetooth module, Slimport model calling, after the signal selecting module to receive board units and mobile device is selected, sent by bluetooth module or receive control fill order, sent by Slimport module or receive audio-video signal, acoustics unit is play according to command signal or the instruction of display audio frequency and video.
2. according to claim 1 based on Slimport technology vehicle-mounted-mobile device interconnected systems, it is characterized in that, signal transfer line in this system is: when board units transmits a signal to mobile device, board units issues a signal to selection module, select module to read signal to be control command signal or to be audio-video signal, when being control command signal, signal is sent to mobile device by bluetooth module; When being audio-video signal, signal is sent to mobile device by Slimport module, and mobile device performs playing audio-video instruction or carries audio, video data to board units; When mobile device sends a signal to board units, module is selected to carry out signal judgement and selection equally.
3. according to claim 1 based on Slimport technology vehicle-mounted-mobile device interconnected systems, it is characterized in that, be provided with interface in described board units and carry out Slimport model calling, interface is mobile terminal high-definition audio and video standard interface, CAN-USB interface or LVDS interface.
4. according to claim 3 based on Slimport technology vehicle-mounted-mobile device interconnected systems, it is characterized in that, described interface function comprises: the specific board units data of active push are to mobile device; Specific data in board units is returned under the request of mobile device; The configuration of automobile parameter is completed under the control of mobile device.
5. according to claim 1 based on Slimport technology vehicle-mounted-mobile device interconnected systems, it is characterized in that, same frequency mirror image audio, video data in mobile device is transferred to acoustics unit and carries out by described Slimport module, if do not have display in board units, the side mirror picture that board units is monitored by Slimport module and navigation way figure are transferred to mobile device and carry out display screen display.
6. according to claim 5 based on Slimport technology vehicle-mounted-mobile device interconnected systems, it is characterized in that, MHL signal input socket and the D/A converting unit of carrying out audio, video data conversion is included in the circuit of described Slimport module, 3.3V voltage conversion unit, 1.8V voltage conversion unit and digital audio output unit, supply voltage is converted to the normal voltage that applicable circuit is suitable for by 3.3V voltage conversion unit and 1.8V voltage conversion unit, MHL signal input socket connects input signal to D/A converting unit, D/A converting unit connects digital audio output unit.
7. according to claim 1 based on Slimport technology vehicle-mounted-mobile device interconnected systems, it is characterized in that, described acoustics unit comprises the record running instrument of display screen, audio player, vehicle backing backsight input signal and board units.
8. according to claim 7 based on Slimport technology vehicle-mounted-mobile device interconnected systems, it is characterized in that, the circuit of described display screen connects and comprises V-COM regulating circuit, LVDS conversion chip, TFT screen gang socket and touch socket, V-COM regulating circuit and TFT shield gang socket and are connected on LVDS conversion chip, touch socket and are arranged on conversion chip.
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| CN201410566248.4A CN104270660A (en) | 2014-10-22 | 2014-10-22 | Vehicle-mounted and mobile equipment interconnection system based on Slimport technology |
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| CN201410566248.4A CN104270660A (en) | 2014-10-22 | 2014-10-22 | Vehicle-mounted and mobile equipment interconnection system based on Slimport technology |
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Cited By (7)
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| CN105117184A (en) * | 2015-07-07 | 2015-12-02 | 东风汽车有限公司 | Connection control method and system for screen of vehicle and mobile phone |
| JP2019021277A (en) * | 2017-07-21 | 2019-02-07 | アルパイン株式会社 | On-vehicle system |
| CN113467734A (en) * | 2021-06-11 | 2021-10-01 | 深圳市海邻科信息技术有限公司 | Display method and system of police terminal and data switching equipment |
| CN116389634A (en) * | 2023-03-31 | 2023-07-04 | 奇瑞新能源汽车股份有限公司 | Double-screen interaction system and method for vehicle-mounted sound equipment and mobile phone |
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Address after: 241009 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 26 North Road, No. 1 building Applicant after: Wuhu Hong Jing electronics limited company Address before: 241009 Wuhu economic and Technological Development Zone, Hengshan Road City, No. 35, automotive electronics and key parts of the park Applicant before: Hongjing Electronic (Wuhu) Co., Ltd. |
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Application publication date: 20150107 |