CN203811809U - Multimedia navigation system based on Android system - Google Patents
Multimedia navigation system based on Android system Download PDFInfo
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- CN203811809U CN203811809U CN201320813914.0U CN201320813914U CN203811809U CN 203811809 U CN203811809 U CN 203811809U CN 201320813914 U CN201320813914 U CN 201320813914U CN 203811809 U CN203811809 U CN 203811809U
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Abstract
The utility model discloses a multimedia navigation system based on an Android system. The multimedia navigation system comprises a processor set and a group including a display module, a multimedia module, a navigation module, and a wireless network module which are connected with the processor set. The processor set comprises a MCU processor and an ARM processor in communication connection. The ARM processor is provided with an Android system. The display module comprises a TFT screen and a touch screen which are used for the display of the multimedia module and the navigation module. The multimedia module comprises an audio output module, an audio input module, a video module, a disc driver module, and a radio module. The navigation module comprises a dual-mode navigation module equipped with a Beidou function and a GPS function. The wireless network module comprises a GSM/GPRS module, a WIFI module, and a Bluetooth module. On the basis of the Android system, the multimedia navigation system reasonably controls each of the functional modules by means of the division of the MCU processor and the ARM processor so as to be greatly improved in reactive performance, operability, and entertainment performance.
Description
Technical field
The utility model relates to vehicle electronics application apparatus, particularly a kind of multimedia navigation system based on Android system.
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 is used.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 surpasses industrial products.Secondly, be that the strong electromagnetic such as firing system, electricity generation system are to receiving the interference of the 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.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, a kind of multimedia navigation system based on Android system is provided, utilize arm processor and MCU processor jointly to carry out data processing, make it have powerful data-handling capacity and control ability, 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 Android system, the display module, multi-media module, navigation module and the wireless network module that comprise processor group and connect this processor group; Wherein,
Described processor group comprises MCU processor and the arm processor that communicates with one another and connect, and described MCU processor communication connects reservoir, and described arm processor is provided with Android system;
Described display module comprises TFT screen and touch-screen, is connected, for the demonstration of multi-media module and navigation module with described arm processor communication;
Described multi-media module comprises audio frequency output module, audio frequency load module, video module, CD-ROM module and radio receiver module; Communication is connected described MCU processor to this audio frequency output module with radio receiver module, and communication is connected described arm processor to this audio frequency load module with video module, and communication is connected this CD-ROM module with MCU processor with described arm processor respectively;
Described navigation module comprises the bimodulus navigation module with Beidou function and GPS function; Communication is connected this bimodulus navigation module with arm processor with described MCU processor;
Described wireless network module comprises GSM/GPRS module, WIFI module and bluetooth module, and communication is connected this GSM/GPRS module with arm processor with described MCU processor respectively, and this WIFI module and bluetooth module all communication are connected described arm processor.
In technique scheme, described audio frequency output module comprises audio switch, DPS sound effect processor, power amplifier module, audio input interface and normal video input interface; Described audio switch and dsp processor pass through respectively I
2c universal serial bus connects MCU processor, and between this audio switch and dsp processor, communication is connected; Communication is connected described dsp processor with normal video input interface with power amplifier module respectively, and described AUX audio input interface is connected with audio switch communication.
In technique scheme, described audio frequency load module comprises de-noising circuit, microphone and described bluetooth module and described GSM/GPRS module, this de-noising circuit is connected with described arm processor communication, described bluetooth module is connected with described arm processor communication by UART universal asynchronous receiving-transmitting transmitter, and this microphone is connected with described bluetooth module, de-noising circuit and GSM/GPRS module communication respectively.
In technique scheme, described video module comprises video encoder and some cameras, and these some cameras are connected with this video encoder communication by CVBS interface, and this video encoder is connected to the data input pin of arm processor.
In technique scheme, described CD-ROM module comprises DVD demoder, SDRAM, flash memory, servo circuit and laser head, this laser head is connected with the communication of DVD demoder by servo circuit, this laser head is connected with DVD demoder also Direct Communication, communication is connected DVD demoder to this SDRAM with flash memory, and communication is connected this DVD demoder with arm processor with described MCU processor respectively.
In technique scheme, described DVD demoder is connected with audio switch communication by LR connecting line.
In technique scheme, described arm processor connects external map datum bag by SDIO interface.
In technique scheme, also comprise back-up video module, this back-up video module comprises backup camera and radar, and backup camera is connected with arm processor communication by CVBS interface.
In technique scheme, also comprise expansion module, this expansion module comprises USB port, SD draw-in groove and AD-KEY port, and this USB port is connected with arm processor communication with SD draw-in groove, and this AD-KEY port is connected with the communication of MCU 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; Utilize technology maturation and be widely used with Android system as operating system, improving processing power and the multimedia function of data, having enriched the function of onboard navigation system, outstanding touch control operation is also for user brings good convenience; Add the phone and the SMS that are equivalent to mobile phone simultaneously, utilize wireless network to carry out straightway network service.
Accompanying drawing explanation
Fig. 1 is the electrical principle block scheme of a kind of multimedia navigation system based on Android system 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 Android system, the display module, multi-media module, navigation module, wireless network module and the expansion module that comprise processor group and connect this processor group; Wherein,
Processor group comprises MCU processor and the arm processor that communicates with one another and connect, and MCU processor connects FLASH reservoir by the communication of SPI Serial Peripheral Interface (SPI), and arm processor is provided with Android 4.0 systems.MCU processor adopting STM8S207 chip, arm processor adopts Mstar786 chip.In this Mstar786 chip, integrated video drive chip, has saved the cost of navigational system.The advantage of Android system is fairly perfect to multimedia support, and current supporting software application is more, more more convenient than WinCE platform, and Android system is workable, popular, can support that the software of navigation is more than traditional WinCE platform.
Display module comprises TFT screen and touch-screen, is connected, for the demonstration of multi-media module and navigation module with arm processor communication.TFT screen employing 800*480 or more high resolving power, the wide high proportion of this TFT screen is 16:9, supports 1080P HD video.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 and radio receiver module; Communication is connected MCU processor to this audio frequency output module with radio receiver module, and communication is connected arm processor to this audio frequency load module with video module, and communication is connected this CD-ROM module with MCU processor with arm processor respectively.
Wherein, audio frequency output module comprises audio switch, DSP sound effect processor, power amplifier module, AUX audio input interface and RCA-OUT normal video output interface; Audio switch and DSP audio processor pass through respectively I
2c universal serial bus connects MCU processor, and between this audio switch and dsp processor, signal is connected; Communication is connected dsp processor with RCA-OUT normal video output interface with power amplifier module respectively, and AUX audio input interface is connected with audio switch communication.Power amplifier module connects loudspeaker and carries out the broadcasting of audio frequency,
Audio frequency load module comprises de-noising circuit, microphone and bluetooth module and GSM/GPRS module, this de-noising circuit is connected with arm processor communication, bluetooth module is connected with arm processor communication by UART universal asynchronous receiving-transmitting transmitter, and this microphone is connected with bluetooth module, de-noising circuit and GSM/GPRS module communication respectively.De-noising circuit can carry out shaping filter to voice data by wave-shaping filter and eliminate noise.Microphone is wire microphone, is connected with de-noising circuit communication.
Video module comprises video encoder and some cameras, and these some cameras are connected with this video encoder communication by CVBS interface, and this video encoder is connected to the data input pin of arm processor D0-D7.This camera leaves the video that travels photographing in arm processor in after video encoder carries out digital-to-analog conversion, and can play by display screen.
CD-ROM module comprises DVD demoder, SDRAM, FLASH flash memory, servo circuit and laser head, this laser head is connected with the communication of DVD demoder by servo circuit, this laser head is connected with DVD demoder also Direct Communication, communication is connected DVD demoder to this SDRAM with FLASH flash memory, communication is connected this DVD demoder with arm processor with MCU processor respectively, and DVD demoder is connected with arm processor by rgb interface to be sent vision signal into ARM and process.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.
Preferably, DVD demoder is sent sound signal into audio switch by LR connecting line.CD-ROM module can directly carry out audio frequency output by audio frequency output module.
Navigation module comprises the bimodulus navigation module with Beidou function and GPS function; By UART universal asynchronous receiving-transmitting transmitter, communication is connected this bimodulus navigation module with arm processor with MCU processor respectively; Bimodulus navigation module makes vehicle-mounted navigator fix more stable and reliable, and the Big Dipper and GPS can switch as required automatically.
Wireless network module comprises GSM/GPRS module, WIFI module and bluetooth module, and communication is connected this GSM/GPRS module with arm processor with MCU processor respectively, and this WIFI module and bluetooth module all communication are connected arm processor.Bluetooth module is connected with arm processor communication by UART universal asynchronous receiving-transmitting transmitter, and WIFI module is connected with arm processor by USB interface.This GSM/GPRS module can be by the network of telecommunications, movement or UNICOM, to realize wireless network to connect, and GSM/GPRS module is responsible for above data to send in time the information desk of appointment, can receive and dispatch the inquiries such as note and violation information and train time.Also can be undertaken that phone is dialed and short message receiving-transmitting by being arranged on Android system in arm processor and audio frequency load module and audio frequency output module, be equivalent to the function of mobile phone.This WIFI module can arrange WIFI hotspot by Android system, and shared network is to user's radio-based electronic devices.
Also comprise expansion module, this expansion module comprises USB port, SD draw-in groove and AD-KEY port, and this USB port is connected with arm processor communication with SD draw-in groove, and this AD-KEY port is connected with the communication of MCU processor.This AD-KEY port is used for making user can also carry out button control operation except touch-screen operates, and meets the demand of different user.
Preferably, arm processor connects external map datum bag by SDIO interface, is the SD card of storage place diagram data bag.
Preferably, also comprise back-up video module, this back-up video module comprises backup camera, and backup camera is connected with arm processor communication by CVBS interface.
Above embodiment is just explanation rather than 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 (9)
1. the multimedia navigation system based on Android system, is characterized in that: the display module, multi-media module, navigation module and the wireless network module that comprise processor group and connect this processor group; Wherein,
Described processor group comprises MCU processor and the arm processor that communicates with one another and connect, and described MCU processor communication connects reservoir, and described arm processor is provided with Android system;
Described display module comprises TFT screen and touch-screen, is connected with described arm processor communication;
Described multi-media module comprises audio frequency output module, audio frequency load module, video module, CD-ROM module and radio receiver module; Communication is connected described MCU processor to this audio frequency output module with radio receiver module, and communication is connected described arm processor to this audio frequency load module with video module, and communication is connected this CD-ROM module with MCU processor with described arm processor respectively;
Described navigation module comprises the bimodulus navigation module with Beidou function and GPS function; Communication is connected this bimodulus navigation module with arm processor with described MCU processor;
Described wireless network module comprises GSM/GPRS module, WIFI module and bluetooth module, and communication is connected this GSM/GPRS module with arm processor with described MCU processor, and this WIFI module and bluetooth module all communication are connected described arm processor.
2. a kind of multimedia navigation system based on Android system according to claim 1, is characterized in that: described audio frequency output module comprises audio switch, DPS sound effect processor, power amplifier module, audio input interface and normal video input interface; Described audio switch and dsp processor pass through respectively I
2c universal serial bus connects MCU processor, and between this audio switch and dsp processor, communication is connected; Communication is connected described dsp processor with normal video input interface with power amplifier module respectively, and described audio input interface is connected with audio switch communication.
3. a kind of multimedia navigation system based on Android system according to claim 1, it is characterized in that: described audio frequency load module comprises de-noising circuit, microphone and described bluetooth module and described GSM/GPRS module, this de-noising circuit is connected with described arm processor communication, described bluetooth module is connected with described arm processor communication by UART universal asynchronous receiving-transmitting transmitter, and this microphone is connected with described bluetooth module, de-noising circuit and GSM/GPRS module communication respectively.
4. a kind of multimedia navigation system based on Android system according to claim 1, it is characterized in that: described video module comprises video encoder and some cameras, these some cameras are connected with this video encoder communication by CVBS interface, and this video encoder is connected to the data input pin of arm processor.
5. a kind of multimedia navigation system based on Android system according to claim 1, it is characterized in that: described CD-ROM module comprises DVD demoder, SDRAM, flash memory, servo circuit and laser head, this laser head is connected with the communication of DVD demoder by servo circuit, this laser head is connected with DVD demoder also Direct Communication, communication is connected DVD demoder to this SDRAM with flash memory, and communication is connected this DVD demoder with arm processor with described MCU processor respectively.
6. a kind of multimedia navigation system based on Android system according to claim 5, is characterized in that: described DVD demoder is connected with audio switch communication by LR connecting line.
7. a kind of multimedia navigation system based on Android system according to claim 1, is characterized in that: described arm processor connects external map datum bag by SDIO interface.
8. a kind of multimedia navigation system based on Android system according to claim 1, it is characterized in that: also comprise back-up video module, this back-up video module comprises backup camera and radar, and backup camera is connected with arm processor communication by CVBS interface.
9. a kind of multimedia navigation system based on Android system according to claim 1, it is characterized in that: also comprise expansion module, this expansion module comprises USB port, SD draw-in groove and AD-KEY port, this USB port is connected with described arm processor communication with SD draw-in groove, and this AD-KEY port is connected with the communication of described MCU processor.
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| CN201320813914.0U CN203811809U (en) | 2013-12-12 | 2013-12-12 | Multimedia navigation system based on Android system |
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| CN201320813914.0U CN203811809U (en) | 2013-12-12 | 2013-12-12 | Multimedia navigation system based on Android system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236579A (en) * | 2014-10-09 | 2014-12-24 | 武汉大学 | High-precision satellite navigation implementing method based on Android kernel layer |
| CN107360506A (en) * | 2017-08-02 | 2017-11-17 | 深圳创维汽车智能有限公司 | The radio of Android mobile unit starts method and Android mobile unit |
| CN107407913A (en) * | 2015-01-16 | 2017-11-28 | 吉瓦视听技术私人有限公司 | Audio, video and the Optimizing Control System being encapsulated in single housing |
| CN110611517A (en) * | 2018-06-14 | 2019-12-24 | 上汽通用汽车有限公司 | Vehicle-mounted terminal and vehicle with same |
| CN112193185A (en) * | 2020-10-14 | 2021-01-08 | 深圳市宇芯数码技术有限公司 | Multifunctional cabin system of automobile |
-
2013
- 2013-12-12 CN CN201320813914.0U patent/CN203811809U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236579A (en) * | 2014-10-09 | 2014-12-24 | 武汉大学 | High-precision satellite navigation implementing method based on Android kernel layer |
| CN107407913A (en) * | 2015-01-16 | 2017-11-28 | 吉瓦视听技术私人有限公司 | Audio, video and the Optimizing Control System being encapsulated in single housing |
| CN107360506A (en) * | 2017-08-02 | 2017-11-17 | 深圳创维汽车智能有限公司 | The radio of Android mobile unit starts method and Android mobile unit |
| CN110611517A (en) * | 2018-06-14 | 2019-12-24 | 上汽通用汽车有限公司 | Vehicle-mounted terminal and vehicle with same |
| CN112193185A (en) * | 2020-10-14 | 2021-01-08 | 深圳市宇芯数码技术有限公司 | Multifunctional cabin system of automobile |
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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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Granted publication date: 20140903 Termination date: 20201212 |
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