CN203869695U - Multimedia navigation system based on 3G cloud navigation - Google Patents
Multimedia navigation system based on 3G cloud navigation Download PDFInfo
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- CN203869695U CN203869695U CN201420028704.5U CN201420028704U CN203869695U CN 203869695 U CN203869695 U CN 203869695U CN 201420028704 U CN201420028704 U CN 201420028704U CN 203869695 U CN203869695 U CN 203869695U
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Abstract
The utility model discloses a multimedia navigation system based on 3G cloud navigation. The system comprises a processor group as well as a display module, a multimedia module, a navigation module and a 3G radio frequency module which are connected with the processor group, wherein the processor group comprises a MCU (microprogrammed control unit) processor and an ARM (advanced RISC machines) processor which are electrically connected, the MCU processor is electrically connected with a storage, and the ARM processor adopts an SiRFA5 chip; the display module comprises a TFT (thin film transistor) screen and a touch screen and is electrically connected with the ARM processor; the multimedia module comprises an audio output module, an audio input module, a video module, an optical disc drive module, a radio module and a digital television module; and the nevigation module comprises a beidou and GPS (global positioning system) dual-mode module which is electrically connected with the ARM processor. According to the system, the 3G radio frequency module is used for realizing 3G cloud navigation, more modernized and convenient service is provided for a user, and the user experience is improved.
Description
Technical field
The utility model relates to vehicle electronics application apparatus, particularly a kind of multimedia navigation system based on the navigation of 3G cloud.
Background technology
Multimedia GPS navigation instrument refers to and can carry out overall treatment to multimedia messagess such as sound, image, videos, merge the brand-new generation GPS navigation instrument of satnav, geography information, intelligent navigation, hand-held amusement, multimedia technology simultaneously, there is the distinguishing feature of powerful intelligent navigation, information processing, movable video-audio, man-machine interaction.
Vehicle multimedia navigation system is to be arranged in embedding multimedia system, the navigational system that automotive environment uses.With respect to the personal navigation product (PND) of hand-held, environment and performance requirement that the reply of vehicle multimedia navigation product needed is more harsh.First, be the operating ambient temperature requirement that exceedes industrial products.Secondly be, the strong electromagnetic such as firing system, electricity generation system to receiving the interference of navigational system of atomic weak gps signal.In addition, vibrations are also difficult problems for the requirement of product.Other all propose requirements at the higher level to vehicle-mounted product as environmental factors such as salt fog, humidity, greasy dirts.
Vehicle audio product, from radio, magnetic tape station to CD player, has experienced gradual perfection and the lifting process of many decades.Vehicle-mounted CD just started universal in, vehicle-mounted product has just faced navigation, internet, pressure and actual needs that even the function such as mobile computing is included in fast, and solid stores and the various functions such as digital compression music, digital Audio Broadcasting and digital television broadcasting constantly enter onboard system.
Along with reaching its maturity of LCD application, car audio product enters the flat pannel display epoch comprehensively.From the upgrading of panel board, to the lifting of content display mode and class, the automobile product demand of Monitor-centric' is really put in face of us.Wherein, navigation product becomes automobile standard configuration parts, in high-end automobile, comes true; And realization in general-utility car is also within sight.
Current navigation is all that user carrys out independent navigation by the combination of map datum bag and navigation module, but independent navigation also there will be a lot of shortcomings, for example map datum bag does not upgrade in time, can cause the inaccurate situation of navigation to occur, so need to utilize new technology to upgrade the mode of lower navigation, for user provides better experience.Also have general multimedia navigation system audio intelligent suitching type play, can not play simultaneously, so can have influence on user's multimedia experiences or the mood of driving.
Utility model content
The technical problems to be solved in the utility model is not to be for above-mentioned prior art, providing a kind of provides cloud navigation feature and improves the multimedia navigation system based on the navigation of 3G cloud that user experiences, utilize arm processor and MCU processor to carry out respectively the control of each function and the processing of data, each function is well controlled; Wherein, arm processor adopts SiRFA5 chip, and this processor calculating ability is powerful, GPS and European Galileo (Galileo) satellite system that can the compatible U.S., usable range widely, enhancing global general-use and reliability; Powerful multimedia function, integrates audio frequency and video, CD-ROM drive and Digital Television, makes user in car, also can enjoy with the same multimedia of family and embodies; But also be provided with dsp processor and video switcher carries out high-quality conversion and data processing to audio frequency and video, make user can embody high-quality audio frequency and video, can also pass through the mobile device of analog video switch output video user, provide multiple audio frequency and video to embody mode and select to user.Can realize the navigation of 3G cloud by 3G radio-frequency module, the function of horn of plenty navigational system provides hardware foundation.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of multimedia navigation system based on the navigation of 3G cloud, comprises processor group and connect display module, multi-media module, navigation module and the 3G radio-frequency module of this processor group; Wherein,
Described processor group comprises MCU processor and the arm processor of mutual electrical connection, described MCU processor electrical connection reservoir, and described arm processor adopts SiRFA5 chip;
Described display module comprises TFT screen and touch-screen, is electrically connected with described arm processor;
Described multi-media module comprises audio frequency output module, audio frequency load module, video module, CD-ROM module, radio receiver module and digital television module; This audio frequency output module and radio receiver module are electrically connected described MCU processor, this audio frequency load module is electrically connected with described 3G radio-frequency module, this video module is electrically connected with described arm processor, this CD-ROM module is electrically connected with described MCU processor, this CD-ROM module is electrically connected with arm processor, and this digital television module is electrically connected with described arm processor;
Described navigation module comprises the Big Dipper and GPS bimodulus module, this Big Dipper and GPS bimodulus module are electrically connected with described arm processor, and the navigating audio that this Big Dipper and GPS bimodulus module are exported after comparing with map datum bag by described arm processor is exported through described audio frequency output module;
Described 3G radio-frequency module is electrically connected with described arm processor, and this 3G radio-frequency module is connected with SIM card.
In technique scheme, described audio frequency output module comprises audio switch, dsp processor, power amplifier module, audio input interface and audio output interface; Described audio switch and dsp processor pass through respectively I
2c universal serial bus connects MCU processor, and this audio switch is electrically connected by LR connecting line with dsp processor; Described power amplifier module and audio output interface are electrically connected with dsp processor respectively, and described audio input interface is electrically connected with audio switch by LR connecting line.
In technique scheme, described audio frequency load module comprises microphone and de-noising circuit, and described microphone is electrically connected with de-noising circuit, and described de-noising circuit is electrically connected with 3G radio-frequency module, exports through described audio switch by the audio frequency of this 3G radio-frequency module output.
In technique scheme, described video module comprises video switcher, and this video switcher is electrically connected with described arm processor by CVBS interface, and this video switcher is connected with video output interface.
In technique scheme, described digital television module is connected with receiving antenna, and this digital television module is electrically connected with described arm processor by UART universal asynchronous receiving-transmitting transmitter, the audio frequency of this digital television module output is exported by described audio switch, and the video of this digital television module output is processed output through described video switcher by described arm processor processes and displays to display module simultaneously.
In technique scheme, described CD-ROM module comprises DVD demoder, SDRAM, FLASH, servo circuit and laser head, this laser head is electrically connected with DVD demoder by servo circuit, this laser head is also directly electrically connected with DVD demoder, this SDRAM and FLASH electrical connection DVD demoder, this DVD demoder is electrically connected with described MCU processor, and this DVD demoder is electrically connected with described arm processor by rgb interface, and this DVD demoder is electrically connected with described video switcher by CVBS interface; This DVD demoder is also provided with SD draw-in groove, USB interface and IPOD interface.
In technique scheme, described DVD demoder is electrically connected with audio switch by LR connecting line.
In technique scheme, described map datum bag is electrically connected with described arm processor by SDIO interface.
In technique scheme, also comprise expansion module, this expansion module comprises AD-KEY port and CAN-UART converter, and this AD-KEY port is electrically connected with described MCU processor, and this CAN-UART converter is electrically connected with described MCU processor by UART universal asynchronous receiving-transmitting transmitter.
In technique scheme, described MCU processor adopting MCU91FU62 processor.
The beneficial effects of the utility model are: utilize arm processor and MCU processor to carry out respectively the control of each function and the processing of data, each function is well controlled; Wherein, arm processor adopts SiRFA5 chip, and this processor calculating ability is powerful, GPS and European Galileo (Galileo) satellite system that can the compatible U.S., usable range widely, enhancing global general-use and reliability; Powerful multimedia function, integrates audio frequency and video, CD-ROM drive and Digital Television, makes user in car, also can enjoy with the same multimedia of family and embodies; But also be provided with dsp processor and video switcher carries out high-quality conversion and data processing to audio frequency and video, make user can embody high-quality audio frequency and video, can also pass through the mobile device of analog video switch output video user, provide multiple audio frequency and video to embody mode and select to user.Make user carry out speech exchange and online network navigation (being the navigation of 3G cloud) with the staff at background service center by 3G radio-frequency module, for the user that also cannot navigate by independent navigation obtains better service and experience.
Brief description of the drawings
Fig. 1 is the electrical principle block scheme of a kind of multimedia navigation system based on the navigation of 3G cloud of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of multimedia navigation system based on the navigation of 3G cloud, comprises processor group and connects display module, multi-media module, navigation module and the 3G radio-frequency module of this processor group.
Wherein, processor group comprises that MCU processor is electrically connected with FLASH reservoir by SPI Serial Peripheral Interface (SPI) by UART universal asynchronous receiving-transmitting transmitter MCU processor and the arm processor of electrical connection mutually, and arm processor adopts SiRFA5 chip; It is faster than general processor that this SiRFA5 chip is searched read rate, SiRFA5 chip can the compatible U.S. GPS and European Galileo (Galileo) satellite system, this point has illustrated the arithmetic capability that SiRFA5 is powerful, and usable range widely strengthens global general-use and reliability.SirfA5 chip frame is made up of 10 parts, comprising ARM11 core processor, 64 passage GPS engines.From hardware parameter can find out SirfA5 powerful search star performance.64 passage GPS engines can provide location more accurately, are sensitivity satellite receptions, the necessary requirement of high-quality omniselector.SiRFA5 high definition, high-quality video playback ability, due to hardware-accelerated, can play RMVB form.Integrated hardware video and Image Coding engine, and support the H.264/MPEG4 Video coding of D1 standard resolution and the JPEG still image of 1,000 ten thousand pixels can support better camera shoot function, in bringing high-quality video to enjoy, provide photo navigation feature.Preferably, this MCU processor adopting MCU91FU62 processor.MCU processor and arm processor are separately processed the function of display module, multi-media module, navigation module and 3G radio-frequency module, improve the processing power of data and reduce the data processing load of processor, energy-conservation and efficient aspect have obvious effect.
Display module comprises TFT screen and touch-screen, is electrically connected with arm processor; For the demonstration of multi-media module and navigation module.Touch-screen adopts electric resistance touch screen or capacitance touch screen.
Multi-media module comprises audio frequency output module, audio frequency load module, video module, CD-ROM module, radio receiver module and digital television module; This audio frequency output module and radio receiver module electrical connection MCU processor, this audio frequency load module is electrically connected with 3G radio-frequency module, this video module is electrically connected with arm processor, this CD-ROM module is electrically connected with MCU processor, this CD-ROM module is electrically connected with arm processor, and this digital television module is electrically connected with arm processor.
Wherein, audio frequency output module comprises audio switch, dsp processor, power amplifier module, AUX audio input interface and RCA-OUT audio output interface; Audio switch and dsp processor pass through respectively I
2c universal serial bus connects MCU processor, and this audio switch is electrically connected by LR connecting line with dsp processor; Power amplifier module and RCA-OUT audio output interface are electrically connected with dsp processor respectively, and AUX audio input interface is electrically connected with audio switch by LR connecting line.The audio frequency of the audio frequency of radio receiver module output, the audio frequency of exporting by 3G radio-frequency module, the audio frequency of exporting by digital television module and IPOD output is all through the processing of audio switch, export by power amplifier module through the data processing of dsp processor successively again, also can connect mobile electronic device by AUX audio input interface, transfer the audio file of mobile electronic device to this power amplifier module output.Also can connect external power amplifying device by RCA-OUT audio output interface, audio frequency is exported in external power amplifying device.The navigating audio of the Big Dipper and the output of GPS bimodulus module is input to dsp processor as rear class audio mixing, and multimedia audio and navigating audio are not interfere with each other.
Audio frequency load module comprises microphone and de-noising circuit, and microphone is electrically connected with de-noising circuit, and de-noising circuit is electrically connected with 3G radio-frequency module, exports through audio switch by the audio frequency of this 3G radio-frequency module output.
Video module comprises video switcher, and this video switcher is electrically connected with described arm processor by CVBS interface, and this video switcher is connected with video output interface.The input of this video switcher comprises respectively the video input of AUX video input and digital television module.This video switcher is equivalent to video matrix switcher, is to switch for the demonstration of high resolution graphics image signal the high-performance intelligence matrix switch equipment designing.Multiple signals can be switched on the arbitrary passage being transported to output channel from input channel, and independent of one another between output channel, can switch the vision signal of multiple High Resolution to various display terminal, as TSC-system formula and pal mode.Preferably, be also provided with backup camera, this backup camera is electrically connected with arm processor by CVBS interface.
CD-ROM module comprises DVD demoder, SDRAM, FLASH flash memory, servo circuit and laser head, this laser head is electrically connected with DVD demoder by servo circuit, this laser head is also directly electrically connected with DVD demoder, this SDRAM and FLASH flash memory electrical connection DVD demoder, this DVD demoder is electrically connected with described arm processor by rgb interface, and this DVD demoder is electrically connected with video switcher by CVBS interface; This DVD demoder is also provided with SD draw-in groove, USB interface and IPOD interface.Can connect user's IPOD equipment by IPOD interface, the audio frequency of this IPOD output is by the processing output of audio switch.Preferably, DVD demoder is electrically connected with audio switch by LR connecting line.SDRAM is stochastic and dynamic storer, and it coordinates DVD demoder to complete decoding in decode procedure, is in use mainly used to store the data of DVD decoding front and back, plays buffer action; The inner all information of power-off is characterized in that internal data can be preserved the in the situation that of energising, once all can be lost.
Navigation module comprises the Big Dipper and GPS bimodulus module, this Big Dipper and GPS bimodulus module are electrically connected with arm processor, and the navigating audio that this Big Dipper and GPS bimodulus module are exported after comparing with map datum bag by described arm processor is exported through described audio frequency output module; Realize location and the traffic navigation of vehicle by the Big Dipper and GPS bimodulus module.
3G radio-frequency module is electrically connected with described arm processor, and this 3G radio-frequency module is connected with SIM card.Can connect for 3G radio-frequency module provides wireless signal through SIM card, SIM card can be 3G card, 3G radio-frequency module is 3G radio-frequency module, this 3G radio-frequency module carries out dedicated radio link by 3G card and background service center, staff by audio frequency load module and background service center links up, the staff at background service center is by this 3G radio-frequency module output audio of dedicated radio link, then output after audio switch is processed.Because powerful data transmission capabilities and the real-time of 3G network make the staff at background service center can help user to carry out network navigation.Cloud navigation is the new airmanship innovating achievement based on cloud computing, can make car owner break away from vehicle mounted guidance from phonetic, the inconvenience of handwriting input, no longer stick to single navigation, the services such as amusement, follow the fast development of on-vehicle information, Automobile Electronic Industry will enter " cloud navigation " epoch, automobile becomes a mobile network node, by the communication on backstage, realize synchronous operation fast and accurately, realize people, car, the Interactive Experience of Intelligent Service, the product of modern science and technology, be used on automobile, for location, navigation and amusement, along with the construction of the universal and road of automobile, the economic interaction of intercity is more frequent, it is very important that vehicle-mounted GPS navigator seems, accurately location, navigation, the navigation that amusement function rolls into one more can meet car owner's demand, become the basic equipment on car.Also can be by increase browser function in system by 3G radio-frequency module, make the convenient inquiry of user on-vehicle information.
Preferably, digital television module is connected with receiving antenna, and this digital television module is electrically connected with arm processor by UART universal asynchronous receiving-transmitting transmitter.The audio frequency of this digital television module output is exported by described audio switch, and the video of this digital television module output is processed output through described video switcher by described arm processor processes and displays to display module simultaneously.
Preferably, described map datum bag is electrically connected with described arm processor by SDIO interface.This map datum bag is stored in SD card.
Preferably, also comprise expansion module, this expansion module comprises AD-KEY port and CAN-UART converter, and this AD-KEY port is electrically connected with MCU processor, and this CAN-UART converter is electrically connected with described MCU processor by UART universal asynchronous receiving-transmitting transmitter.This AD-KEY port is the external control to the navigation of this multimedia for automobile, meets the demand of different user.This CAN-UART converter is the chip that CAN bus protocol converts UART agreement to.
Above embodiment is just explanation instead of restriction the utility model, and the equivalence of doing according to the method described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (10)
1. the multimedia navigation system based on the navigation of 3G cloud, is characterized in that: comprise processor group and connect display module, multi-media module, navigation module and the 3G radio-frequency module of this processor group; Wherein,
Described processor group comprises MCU processor and the arm processor of mutual electrical connection, described MCU processor electrical connection reservoir, and described arm processor adopts SiRFA5 chip;
Described display module comprises TFT screen and touch-screen, is electrically connected with described arm processor;
Described multi-media module comprises audio frequency output module, audio frequency load module, video module, CD-ROM module, radio receiver module and digital television module; This audio frequency output module and radio receiver module are electrically connected described MCU processor, this audio frequency load module is electrically connected with described 3G radio-frequency module, this video module is electrically connected with described arm processor, this CD-ROM module is electrically connected with described MCU processor, this CD-ROM module is electrically connected with arm processor, and this digital television module is electrically connected with described arm processor;
Described navigation module comprises the Big Dipper and GPS bimodulus module, this Big Dipper and GPS bimodulus module are electrically connected with described arm processor, and the navigating audio that this Big Dipper and GPS bimodulus module are exported after comparing with map datum bag by described arm processor is exported through described audio frequency output module;
Described 3G radio-frequency module is electrically connected with described arm processor, and this 3G radio-frequency module is connected with SIM card.
2. a kind of multimedia navigation system based on the navigation of 3G cloud according to claim 1, is characterized in that: described audio frequency output module comprises audio switch, dsp processor, power amplifier module, audio input interface and audio output interface; Described audio switch and dsp processor pass through respectively I
2c universal serial bus connects MCU processor, and this audio switch is electrically connected by LR connecting line with dsp processor; Described power amplifier module and audio output interface are electrically connected with dsp processor respectively, and described audio input interface is electrically connected with audio switch by LR connecting line.
3. a kind of multimedia navigation system based on the navigation of 3G cloud according to claim 2, it is characterized in that: described audio frequency load module comprises microphone and de-noising circuit, described microphone is electrically connected with de-noising circuit, described de-noising circuit is electrically connected with 3G radio-frequency module, exports through described audio switch by the audio frequency of this 3G radio-frequency module output.
4. a kind of multimedia navigation system based on the navigation of 3G cloud according to claim 2, it is characterized in that: described video module comprises video switcher, this video switcher is electrically connected with described arm processor by CVBS interface, and this video switcher is connected with video output interface.
5. a kind of multimedia navigation system based on the navigation of 3G cloud according to claim 4, it is characterized in that: described digital television module is connected with receiving antenna, and this digital television module is electrically connected with described arm processor by UART universal asynchronous receiving-transmitting transmitter, the audio frequency of this digital television module output is exported by described audio switch, and the video of this digital television module output is processed output through described video switcher by described arm processor processes and displays to display module and simultaneously.
6. a kind of multimedia navigation system based on the navigation of 3G cloud according to claim 4, it is characterized in that: described CD-ROM module comprises DVD demoder, SDRAM, FLASH, servo circuit and laser head, this laser head is electrically connected with DVD demoder by servo circuit, this laser head is also directly electrically connected with DVD demoder, this SDRAM and FLASH electrical connection DVD demoder, this DVD demoder is electrically connected with described MCU processor, this DVD demoder is electrically connected with described arm processor by rgb interface, this DVD demoder is electrically connected with described video switcher by CVBS interface, this DVD demoder is also provided with SD draw-in groove, USB interface and IPOD interface.
7. a kind of multimedia navigation system based on the navigation of 3G cloud according to claim 6, is characterized in that: described DVD demoder is electrically connected with audio switch by LR connecting line.
8. a kind of multimedia navigation system based on the navigation of 3G cloud according to claim 1, is characterized in that: described map datum bag is electrically connected with described arm processor by SDIO interface.
9. a kind of multimedia navigation system based on the navigation of 3G cloud according to claim 1, it is characterized in that: also comprise expansion module, this expansion module comprises AD-KEY port and CAN-UART converter, this AD-KEY port is electrically connected with described MCU processor, and this CAN-UART converter is electrically connected with described MCU processor by UART universal asynchronous receiving-transmitting transmitter.
10. a kind of multimedia navigation system based on the navigation of 3G cloud according to claim 1, is characterized in that: described MCU processor adopting MCU91FU62 processor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420028704.5U CN203869695U (en) | 2014-01-17 | 2014-01-17 | Multimedia navigation system based on 3G cloud navigation |
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| CN201420028704.5U CN203869695U (en) | 2014-01-17 | 2014-01-17 | Multimedia navigation system based on 3G cloud navigation |
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| CN201420028704.5U Expired - Fee Related CN203869695U (en) | 2014-01-17 | 2014-01-17 | Multimedia navigation system based on 3G cloud navigation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412765A (en) * | 2016-11-01 | 2017-02-15 | 广州声德电子有限公司 | Audio power amplifier |
| WO2019178734A1 (en) * | 2018-03-20 | 2019-09-26 | 上海汽车集团股份有限公司 | In-vehicle information communication service system |
-
2014
- 2014-01-17 CN CN201420028704.5U patent/CN203869695U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412765A (en) * | 2016-11-01 | 2017-02-15 | 广州声德电子有限公司 | Audio power amplifier |
| CN106412765B (en) * | 2016-11-01 | 2018-01-02 | 广州声德电子有限公司 | Audio power amplifier device |
| WO2019178734A1 (en) * | 2018-03-20 | 2019-09-26 | 上海汽车集团股份有限公司 | In-vehicle information communication service system |
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| CP01 | Change in the name or title of a patent holder |
Address after: 523000 Guangdong city of Dongguan province Fenggang Zhen Huang Dong Cun Xu Long Industrial City second No. 28 building A, building B Patentee after: Guangdong Kovan Beidou Electronics Co., Ltd. Address before: 523000 Guangdong city of Dongguan province Fenggang Zhen Huang Dong Cun Xu Long Industrial City second No. 28 building A, building B Patentee before: Dongguan Kovan Electronic Science & Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20190117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |