CN103200243A - Vehicle-mounted system and communication method thereof - Google Patents
Vehicle-mounted system and communication method thereof Download PDFInfo
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- CN103200243A CN103200243A CN2013100904143A CN201310090414A CN103200243A CN 103200243 A CN103200243 A CN 103200243A CN 2013100904143 A CN2013100904143 A CN 2013100904143A CN 201310090414 A CN201310090414 A CN 201310090414A CN 103200243 A CN103200243 A CN 103200243A
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Abstract
The invention provides a vehicle-mounted system which comprises a vehicle-mounted system body, wherein the vehicle-mounted system body is provided with a vehicle-mounted system mainboard. The vehicle-mounted system further comprises a wireless multimedia expansion playing device connected with the vehicle-mounted system mainboard, wherein the wireless multimedia expansion playing device is provided with a wireless fidelity (WIFI) module and can be communicated with the vehicle-mounted system mainboard and a mobile device in an environment. The invention further discloses a communication method of the vehicle-mounted system. According to the vehicle-mounted system and the communication method thereof, wireless communication distance is long, communication is very convenient, the structure is simple, and an effect is very good.
Description
Technical field
The present invention relates to a kind of vehicle-mounted, the particularly method of a kind of onboard system and communication thereof.
Background technology
The vehicle mounted multimedia information system of present stage (being designated hereinafter simply as " onboard system ") is carrier with the DVD player core nearly all, functions such as subsidiary AM/FM, exterior storage MP3, GPS navigation.Along with auto industry and electronics and information industry are accelerated to merge, automobile begins to electronization, intelligent direction development onboard system has been had higher requirement.And all onboard system also rests on the comparatively mechanical epoch on basis, all non-employing aforesaid way of the Play System of existing all memory-types at present.Though along with the progress of epoch with science and technology, yet still there are many problems, as:
Existing all onboard systems must be with tangible storage interface (as Type:CD; DVD; SD Card; HDD) be installed in the onboard system, obtain played data in order to connect transmission.
Shortcoming: the storage interface often occupies free space in the car; The constant of extraction takes place when changing the interface; Mechanical breakdown easily takes place in conventional store formula Play System, as: inconvenience (SD Card/HDD) is upgraded at card machine, bouncing pilotage, data loss, quality distortion, interface.
Existing all onboard systems also or adopt wire transmission (AUX) interface, the connected system external memory device is to obtain played data.
Shortcoming: must be with wired mode connect onboard system and external equipment, the existence of AUX wire rod hinders action in driver's the car easily, and the long or too short needs that all can't satisfy all passengers in the car of wire rod (weak point person, convenient driving is unfavorable back seat member; The elder then influences travel safety! ) use the AUX line also to have the anxiety of destroying neat appearance in the car!
Existing part onboard system is equipped with the Bluetooth wireless transmission function, and data realize playing in the outer bluetooth enable device of onboard system in order to obtain.
Shortcoming: the Bluetooth transmission frequency range is limited, only can be engaged in the transmission than small data, and it is limited to cause transmitting content, only can help the MP3 archives after onboard system is play compression at most, and the audio-visual source of digitisation of music sound source and the high image quality of high tone quality can't be provided.The Bluetooth transmission distance is shorter, and the stable transfer distance is about in 3 meters.Indirectly the restriction onboard system in medium-and-large-sized car, uses with general vehicle car outside the operation possibility! In addition, utilize the Bluetooth transmission content of multimedia, have shortcomings such as transmission time length, transmission range weak point; Onboard system exists as an independent individual, fails to carry out effectively interconnected with handheld mobile device (as smart mobile phone, notebook computer, panel computer, PDA etc., down with), has limited the development of many device intercommunicatings.
Existing minimum part onboard system is equipped with " class " WIFI transmission system, obtains onboard system by this built-in class WIFI transmission system and possesses played data in the WIFI transmittability device outward, realizes playing.
Shortcoming:
1. the necessary built-in wireless network card of this system sees through the moving network system of Virtual network operator/telecommunications dealer's trip and supports transmission, is two point (point-to-point) propelling movement apparently, pushes yet be actually (onboard system-GPRS/3G/4G network interface card-running gear).
2. must be to the suitable expense of telecommunications dealer payment on terms.
3. owing to must see through the action networking, do not have the overlay area at the networking and then can't realize pushing.
4. transmission pushes the network speed situation that quality is subject to networking, institute overlay area.
5. because the restriction of outside networking ability, what can push image quality the most high-qualityly is the picture of 720P.
6. because butt joint needs outside networking to assist, therefore comparatively unstable, a frequent situation that broken string takes place easily!
7. internet information real-time update speed is fast, and audio-visual source resource is more and more various and extensive.Onboard system can't carry mobile memory medium such as a large amount of DVD and do real-time renewal, and ageing can not get guarantees.
Summary of the invention
In order to solve above problem, a kind of wireless communication distance of the present invention is long, communication is more convenient, simple in structure, the method for the better a kind of onboard system of communication effect and communication thereof.
Technical scheme of the present invention is achieved in that
The invention discloses a kind of onboard system, comprise the onboard system body, described onboard system body has the onboard system motherboard, comprise that also the radio multimedium that is connected with described onboard system motherboard expands playing device, described radio multimedium expands playing device and has the WIFI module, can with described system host board and environment in running gear communicate.
In onboard system of the present invention, described radio multimedium expands playing device and further comprises: be used for the memory module of storing digital information and control described WIFI module information receiving and the control unit of exporting, described running gear is for having WIFI unit or DLNA (Digital Living Network Alliance, DLNA) smart mobile phone of unit and/or notebook computer and/or PDA (Personal Digital Assistant, palmtop PC).
In onboard system of the present invention, described radio multimedium expands playing device and is connected by wired mode with described onboard system motherboard.
In onboard system of the present invention, described radio multimedium expands playing device and described onboard system motherboard integrates.
In onboard system of the present invention, described radio multimedium expands playing device transmission and the signal of accepting, and accepts instruction and plays the signal that receives by the onboard system body by the onboard system body.
In onboard system of the present invention, described onboard system body expands the signal that playing device receiving activity device is sent by described radio multimedium; Also can make described onboard system body see through radio multimedium expansion playing device running gear is sent signal.
In onboard system of the present invention, described WIFI module has the mirror image transmission unit, the GPS navigation function in the running gear can be transferred to the onboard system body.
In onboard system of the present invention, described WIFI module has the mirror image transmission unit, can running gear operation interface and onboard system body is synchronous, and the user is utilized onboard system body operation interface operational action device.
The invention discloses a kind of method of onboard system communication, comprising:
S1. the onboard system operation interface is accepted instruction;
S2. radio multimedium expansion playing device sends described instruction, and described radio multimedium expands playing device and has the WIFI module;
S3. running gear receives described instruction;
S4. running gear sends the news file of described command request;
S5. radio multimedium expansion playing device is accepted described news file;
S6. radio multimedium expands playing device conversion signal and sends described signal;
S7. onboard system receives the described signal that radio multimedium expands the playing device transmission;
S8. onboard system is handled the described signal that receives;
S9. the onboard system screen shows described signal picture.
The present invention discloses a kind of method of onboard system communication again, comprising:
A1. running gear is accepted instruction, sends described instruction;
A2. radio multimedium expansion playing device receives described instruction, and described radio multimedium expands playing device and has the WIFI module;
A3. radio multimedium expands playing device conversion signal and sends described signal;
A4. onboard system receives described signal;
A5. onboard system is handled described signal;
A6. the onboard system screen shows described signal picture.
Implement the method for a kind of onboard system of the present invention and communication thereof, have following beneficial technical effects:
The present invention is able to the function of onboard system in conjunction with running gear, the basic audio-video playing function of onboard system can not only be promoted significantly, more can make onboard system operation more oversimplify, the most important thing is its can by with the combination of running gear, allow the complete Eization of onboard system.Onboard system no longer is single main body, but can realize that onboard system becomes the part in the Internet by the wireless connections Internet function of running gear, and wireless communication distance is long, communication is more convenient, simple in structure, production cost is lower.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is onboard system structural representation of the present invention;
Fig. 2 a is the onboard system means of communication flow chart of first embodiment of the invention;
Fig. 2 b is the onboard system means of communication flow chart of second embodiment of the invention;
Fig. 3 a is that onboard system of the present invention carries screen and first kind of interface schematic diagram occur;
Fig. 3 b is that onboard system of the present invention carries screen and second kind of interface schematic diagram occur;
Fig. 3 c is that onboard system of the present invention carries screen and the third interface schematic diagram occurs;
Fig. 3 d is that onboard system of the present invention carries screen and the 4th kind of interface schematic diagram occur.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
See also Fig. 1, embodiments of the invention, a kind of onboard system 1, comprise onboard system body 10, onboard system body 10 has onboard system motherboard 101, comprise that also the radio multimedium that is connected with onboard system motherboard 101 expands playing device 102, radio multimedium expands playing device 102 and has WIFI module 103, can with system host board 101 and environment in running gear 104 communicate.
Wherein, radio multimedium expansion playing device 102 further comprises: be used for the memory module of storing digital information and control described WIFI module information receiving and the control unit of exporting;
Radio multimedium expands playing device 102 and can be connected by wired mode with described onboard system motherboard, also can integrate with onboard system motherboard 101.
Radio multimedium expands playing device 102 and sends and the signal of accepting, and accepts instruction and plays the signal that receives by onboard system body 10 by onboard system body 10.
Onboard system body 10 expands the signal that playing device 102 receiving activity devices 104 are sent by radio multimedium; Also can make onboard system body 10 see through radio multimedium and expand 102 pairs of running gears of playing device, 104 transmission signals.
WIFI module 103 has the mirror image transmission unit, GPS navigation function in the running gear 104 can be transferred to the onboard system body, can running gear 104 operation interfaces and onboard system body 10 are synchronous, the user is utilized onboard system body 10 operation interface operational action devices 104.
About the technical program, more specifically illustrate as follows:
The present invention expands playing device with radio multimedium to be incorporated in the onboard system main body, expanding playing device direct-type by running gear (as: intelligent mobile phone, panel computer, notebook computer etc.) and radio multimedium is connected and (need not through outside networking environment, comprise that platform such as mobile Internet access card is auxiliary), the various information in the running gear can be seen through onboard system and play.
Technical solution of the present invention is divided into the two large divisions:
It is a Barebone that radio multimedium expands playing device 102, itself possesses input unit (input unit of WIFI module 103), memory cell (DRAM/FLASH), computing unit (CPU), output unit (output unit of WIFI module 103 and wired output port).Based on the wireless receiving/transmission signal function of this Barebone, institute is received or the signal format transformation of transmission is the signal source that corresponding device can read.
Expand playing device 102 by radio multimedium, in onboard system, do wired connection with modular manner; Also maybe with this module construction in onboard system mainboard 101, make onboard system be able to the signal that receiving activity device 104 is sent; Also can make onboard system see through radio multimedium and expand 102 pairs of running gears of playing device, 104 transmission signals.
When operation, running gear 104 is a signal source; Onboard system is able to expand playing device 102 by radio multimedium and obtains running gear 104 inner message archives, carries out archives and plays.
Simultaneously, but three kinds of systems of the present invention's dual-purpose:
Radio multimedium expands the built-in operating system of broadcast interface;
The running gear operating system;
The built-in interface of onboard system operating system;
But the multiple path of the present invention's dual-purpose:
By WIFI or the DLNA function in the running gear 104, expand playing device 102 with radio multimedium in the onboard system 1 and be connected and coupling.And then by WIFI or peculiar transmission and the function that receives of having concurrently of DLNA, the application program that running gear 104 inner information are seen through in the running gear 104 is sent to radio multimedium expansion playing device 102 by wireless WIFI or DLNA.After radio multimedium expanded playing device 102 reception signals, the central processing unit through itself resolved to the signal that onboard system 1 can read with signal, sends onboard system 1 to.After onboard system 1 receives signal, see through the body center processor with signal with image, modes such as sound are play and are presented.
By WIFI or the DLNA function in the running gear 104, expand playing device 102 with radio multimedium in the onboard system 1 and be connected and coupling.Obtain and picture synchronization such as onboard system 1 and running gear be audio-visual by mirror image technology (Miracast), can be by running gear 104 as main operation interface.
By WIFI or the DLNA function in the running gear 104, expand playing device with radio multimedium in the onboard system and be connected and coupling.Obtain and picture synchronization such as onboard system and running gear be audio-visual by mirror image technology (Miracast).Can be by onboard system 1 as main operation interface.
The present invention is able to the function of onboard system in conjunction with running gear, the basic audio-video playing function of onboard system can not only be promoted significantly, more can make onboard system operation more oversimplify, the most important thing is its can by with the combination of running gear, allow the complete Eization of onboard system.Onboard system no longer is single main body, but can realize that onboard system becomes the part in the Internet by the wireless connections Internet function of running gear.
At existing onboard system technology, the advantage that the present invention embodies and effect analyse state as follows:
One, existing all onboard systems must be with tangible storage interface (as Type:CD; DVD; SDCard; HDD) be installed in the onboard system, obtain played data in order to connect transmission.
Shortcoming: the storage interface often occupies free space in the car; The constant of extraction takes place when changing the interface; Mechanical breakdown easily takes place in conventional store formula Play System, as: inconvenience (SD Card/HDD) is upgraded at card machine, bouncing pilotage, data loss, quality distortion, interface.
But by the present invention, the user can be stored in running gear with the information at the tangible storage of tradition interface, sees through the present invention and with wireless transmission method the information of being stored in the running gear is realized playing in onboard system.So can save and deposit occupied space, conventional store interface, the inconvenience that takes place in the time of also can avoiding changing the interface more can make traditional mechanical fault condition no longer take place.In addition, because the signal that the wireless transmission method among the present invention transmits is digital signals, more can promote audio-visual playback quality, legacy playback device distortion situation will not exist.
Its two, existing all onboard systems also or adopt wire transmission (AUX) interface, the connected system external memory device is to obtain played data.
Shortcoming: must be with wired mode connect onboard system and external equipment, the existence of AUX wire rod hinders action in driver's the car easily, and the long or too short needs that all can't satisfy all passengers in the car of wire rod (weak point person, convenient driving is unfavorable back seat member; The elder then influences travel safety! ) use the AUX line also to have the anxiety of destroying neat appearance in the car!
But by the present invention's characteristic, the effective stable transfer distance of WIFI is 5-10 rice, and the user can the interior news file of wireless mode transmission running gear.Running gear will no longer need wire transmission with being connected of onboard system.Naturally just do not have because the transmission line in the car exists, and the anxiety or the inaesthetic situation that cause influencing drive safety take place.
Its three, existing part onboard system is equipped with the Bluetooth wireless transmission function, data realize broadcast in the outer bluetooth enable device of onboard system in order to obtain.
Shortcoming: the Bluetooth transmission frequency range is limited, only can be engaged in the transmission than small data, and it is limited to cause transmitting content, only can help the MP3 archives after onboard system is play compression at most, and the audio-visual source of digitisation of music sound source and the high image quality of high tone quality can't be provided.The Bluetooth transmission distance is shorter, and the stable transfer distance is about in 3 meters.Indirectly the restriction onboard system in medium-and-large-sized car, uses with general vehicle car outside the operation possibility! In addition, utilize the Bluetooth transmission content of multimedia, have shortcomings such as transmission time length, transmission range weak point; Onboard system exists as an independent individual, fails to carry out effectively interconnected with handheld mobile device (as smart mobile phone, notebook computer, panel computer, PDA etc., down with), has limited the development of many device intercommunicatings.
But by the present invention's characteristic, the WIFI transmitting bandwidth is doubly to Bluetooth transmission, and effectively the stable transfer distance more is better than the bluetooth several times.Use the present invention, can make onboard system not only play the interior music of running gear (MP3) archives, more can play 1080P full HD (Full HD) video archive.Its effective stable transfer distance also can realize the interior broadcast of medium-and-large-sized car and the outer possibility of operating of general vehicle car.
Its four, existing minimum part onboard system is equipped with " class " WIFI transmission system, obtains onboard system by this built-in class WIFI transmission system and possesses played data in the WIFI transmittability device outward, realizes playing.
Shortcoming:
1. the necessary built-in wireless network card of this system sees through the moving network system of Virtual network operator/telecommunications dealer's trip and supports transmission, is two point (point-to-point) propelling movement apparently, pushes yet be actually (onboard system-GPRS/3G/4G network interface card-running gear).
2. must be to the suitable expense of telecommunications dealer payment on terms.
3. owing to must see through the action networking, do not have the overlay area at the networking and then can't realize pushing.
4. transmission pushes the network speed situation that quality is subject to networking, institute overlay area.
5. because the restriction of outside networking ability, what can push image quality the most high-qualityly is the picture of 720P.
6. because butt joint needs outside networking to assist, therefore comparatively unstable, a frequent situation that broken string takes place easily!
But, the present invention takes point-to-point direct connected mode (Direct Source to Display, NO AP present), need not build wireless network card in system again, that is need not support transmission through the action network system of telecommunications dealer/Virtual network operator, can realize wireless propelling movement.Therefore also need not be to telecommunications dealer/Virtual network operator payment extra charge.The present invention is because take " point-to-point direct connected mode ", even if therefore in not having outside Internet environment, can realize without leave that also the information wireless transmission pushes, and also not having because of outside networking situation influences the propelling movement quality.More owing to be not subject to outside networking, therefore push quality and can realize pushing (can reach the full HD image quality of 1080P) according to the upper limit in signal source.And the situation that comparatively stable and unlikely generation frequently goes offline.
Its five, internet information real-time update speed is fast, audio-visual source resource is more and more various and extensively.Onboard system can't carry mobile memory medium such as a large amount of DVD and do real-time renewal, and ageing can not get guarantees.
But the present invention can be combined running gear with onboard system, and the onboard system broadcast interface is seen through the networking content that the built-in network equipment of running gear is play immediate updating, no longer is subject to traditional closed system of onboard system.In other words, onboard system with one of become in the Internetworking Equipment unit after running gear is connected, be able at any time obtain network information and renewal by running gear.
In brief, the product that does not have at present the unidirectional or double-direction radio of handheld mobile device to control onboard system as yet (point-to-point direct connected mode " Direct Source to Display; NO AP present ") this invention occurs and is intended to promote the intelligent of man-machine interaction, remedy the deficiency of traditional vehicle loading system, thereby advance automobile mounted multimedia information system to intelligent, judicial convenience development.In addition, the design's integration is used, and has unlimited commercial value potentiality.
After radio multimedium expanded playing device and onboard system and integrate, but wireless remote control onboard system content has broken through traditional unidirectional steer mode, increases man-machine interaction, and it is more convenient to bring to the user.
In driving, utilize that sound equipment connects, dials on the touch-screen of onboard system and the car, it is required to take into account daily life work, and traffic safety is guaranteed in not traffic violation again.
Can utilize the free GPS navigation software on the handheld mobile device to carry out route guidance, avoid paying a series of expenses that GPS navigation instrument and map upgrading bring of buying.
Adopt all the elements on the wireless propelling movement handheld mobile device of WIFI, enriched the recreational of onboard system, be not subjected to the constraint of cable, more avoided omitting the shortcoming that exterior storage mediums such as carrying DVD causes.
The technology used in the present invention still can be expanded application, analyse state as follows:
1. utilize the mirror image transfer function (Miracast) among the present invention the GPS navigation function in the running gear can be transferred to onboard system.Onboard system will no longer need built-in or plug-in automobile-used gps system.
2. utilize the mirror image transfer function (Miracast) can running gear operation interface and onboard system is synchronous, the user is utilized onboard system operation interface operational action device, as dial mobile phone, and search address list, open inner news file program of running gear etc.
3. utilize the present invention, running gear is combined with the vehicle carried video system, the user is utilized the interior microphone of onboard system and loud speaker to carry out phone or the networking voice are linked up.
4. utilize the combination of running gear and onboard system among the present invention, onboard system can carry out function of surfing the Net by running gear, need not be in onboard system built-in any mobile Internet access module.
5. utilize the mirror image transfer function among the present invention, can utilize onboard system to read the openable File Format of all running gears, need not change shelves separately.
6. utilize the present invention can be effectively onboard system and running gear to be combined into the global function onboard system of complete immediate interactive.Audio frequency, image, the video archive that not only can obtain in the running gear are play, and more can realize online broadcast (online play) and online interaction function with the networking operation of outside networking; Amusement software in the running gear can also be transferred on the onboard system broadcast interface and operate.
See also the method for Fig. 2 a, a kind of onboard system communication, comprising:
S1. the onboard system operation interface is accepted instruction;
S2. radio multimedium expansion playing device sends described instruction, and described radio multimedium expands playing device and has the WIFI module;
S3. running gear receives described instruction;
S4. running gear sends the news file of accepting described command request;
S5. radio multimedium expansion playing device is accepted described news file;
S6. radio multimedium expands playing device conversion signal and sends described signal;
S7. onboard system receives the described signal that radio multimedium expands the playing device transmission;
S8. onboard system is handled the described signal that receives;
S9. the onboard system screen shows described signal picture.
See also the method for Fig. 2 b, a kind of onboard system communication, comprising:
A1. running gear is accepted instruction, sends described instruction;
A2. radio multimedium expansion playing device receives described instruction, and described radio multimedium expands playing device and has the WIFI module;
A3. radio multimedium expands playing device conversion signal and sends described signal;
A4. onboard system receives described signal;
A5. onboard system receives and handles described signal;
A6. the onboard system screen shows described signal picture.
Specifically, aspect, path (just take action device 104 and radio multimedium expand playing device 102 and be connected after, the path of signal), its signal path also can be unidirectional control model for both can be two-way control model:
After the onboard system operation interface is accepted instruction → see through radio multimedium and expanded playing device and send instruction → running gear and accept news file → radio multimedium that instruction → running gear sends the command request of accepting and expand playing device and accept news file → radio multimedium and expand playing device and see through its CPU conversion signal and be the signal that can read of onboard system, and transmission signal → onboard system reception radio multimedium expansion playing device signal that signal → onboard system received is handled → is play
Also can be running gear and accept instruction, it is the signal that onboard system can read through its CPU conversion signal that transmission instructs → see through radio multimedium to expand playing device reception instruction → radio multimedium expansion playing device, sends signal → onboard system reception radio multimedium expansion playing device signal that signal → onboard system received and handles → play.
Wherein, use the screen operation and control interface on the onboard system, by the main system of onboard system setting itself, can carry out expanding controlling and playing of playing device with radio multimedium.
See also Fig. 3 a, Fig. 3 b, Fig. 3 c and Fig. 3 d, specify as follows:
Among Fig. 3 a, has the built-in working interface 2 of onboard system in the onboard system motherboard 101, radio multimedium expands playing device 102 and radio multimedium expands the built-in working interface 3 of playing device, onboard system motherboard 101 carries screen 4 with onboard system and communicates, this moment onboard system carry screen 4 the interface to occur be the built-in working interface 2 of onboard system.
Among Fig. 3 b, with Fig. 3 a basically identical, different is, this moment onboard system to carry interface that screen 4 occurs be that radio multimedium expands playing device 102 built-in working interfaces 3.Implementation can be: use radio multimedium to expand playing device 102 intrinsic operating systems, see through a channel in the onboard system, carry out radio multimedium and expand controlling and playing of playing device 102.
Among Fig. 3 c, with Fig. 3 a basically identical, different is onboard system and running gear 104 interactions, running gear 104 has built-in working interface 6 and application program and pushes interface 5, this moment onboard system to carry interface that screen 4 occurs be that application program pushes interface 5.Implementation can be: use far-end to connect radio multimedium and expand playing device 102 and running gear 104 (as: intelligent mobile phone, notebook computer, panel computer etc.), carry out radio multimedium is expanded controlling and playing of playing device 102.
Among Fig. 3 d, with Fig. 3 c basically identical, different is, this moment onboard system carry screen 4 the interface to occur be built-in working interface 6.Implementation can be: use far-end to connect the main system that radio multimedium expands playing device 102 and running gear 104 (as: intelligent mobile phone, notebook computer, panel computer etc.), control and play in synchronous (Miracast) mode of minute surface.
Implement the method for a kind of onboard system of the present invention and communication thereof, have following beneficial technical effects:
The present invention is able to the function of onboard system in conjunction with running gear, the basic audio-video playing function of onboard system can not only be promoted significantly, more can make onboard system operation more oversimplify, the most important thing is its can by with the combination of running gear, allow the complete Eization of onboard system.Onboard system no longer is single main body, but can realize that onboard system becomes the part in the Internet by the wireless connections Internet function of running gear, and wireless communication distance is long, communication is more convenient, simple in structure, production cost is lower.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. onboard system, comprise the onboard system body, described onboard system body has the onboard system motherboard, it is characterized in that, comprise that also the radio multimedium that is connected with described onboard system motherboard expands playing device, described radio multimedium expands playing device and has the WIFI module, can with described system host board and environment in running gear communicate.
2. onboard system according to claim 1 is characterized in that, described radio multimedium expands playing device and further comprises: be used for the memory module of storing digital information and control described WIFI module information receiving and the control unit of exporting;
Described running gear is smart mobile phone and/or notebook computer and/or the PDA with WIFI unit or DLNA unit.
3. onboard system according to claim 1 and 2 is characterized in that, described radio multimedium expands playing device and is connected by wired mode with described onboard system motherboard.
4. onboard system according to claim 1 and 2 is characterized in that, described radio multimedium expands playing device and described onboard system motherboard integrates.
5. onboard system according to claim 1 and 2 is characterized in that, described radio multimedium expands playing device and sends and the signal of accepting, and all accepts instruction and plays the signal that receives by the onboard system body by the onboard system body.
6. onboard system according to claim 1 and 2 is characterized in that, described onboard system body expands the signal that playing device receiving activity device sends by described radio multimedium; Also can make described onboard system body expand playing device by radio multimedium running gear is sent signal.
7. onboard system according to claim 1 and 2 is characterized in that, described WIFI module has the mirror image transmission unit, the GPS navigation function in the running gear can be transferred to the onboard system body.
8. onboard system according to claim 1 and 2, it is characterized in that, described WIFI module has the mirror image transmission unit, can running gear operation interface and onboard system body is synchronous, and the user is utilized onboard system body operation interface operational action device.
9. the method for an onboard system communication is characterized in that, comprising:
S1. the onboard system operation interface is accepted instruction;
S2. radio multimedium expansion playing device sends described instruction, and described radio multimedium expands playing device and has the WIFI module;
S3. running gear receives described instruction;
S4. running gear sends the news file of described command request;
S5. radio multimedium expansion playing device is accepted described news file;
S6. radio multimedium expands playing device conversion signal and sends described signal;
S7. onboard system receives the described signal that radio multimedium expands the playing device transmission;
S8. onboard system is handled the described signal that receives;
S9. the onboard system screen shows described signal picture.
10. the method for an onboard system communication is characterized in that, comprising:
A1. running gear is accepted instruction, sends described instruction;
A2. radio multimedium expansion playing device receives described instruction, and described radio multimedium expands playing device and has the WIFI module;
A3. radio multimedium expands playing device conversion signal and sends described signal;
A4. onboard system receives described signal;
A5. onboard system is handled described signal;
A6. the onboard system screen shows described signal picture.
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| CN2013100904143A CN103200243A (en) | 2013-03-20 | 2013-03-20 | Vehicle-mounted system and communication method thereof |
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| CN2013100904143A CN103200243A (en) | 2013-03-20 | 2013-03-20 | Vehicle-mounted system and communication method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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