CN103010113A - Vehicle-mounted information entertainment system - Google Patents
Vehicle-mounted information entertainment system Download PDFInfo
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- CN103010113A CN103010113A CN2012105827986A CN201210582798A CN103010113A CN 103010113 A CN103010113 A CN 103010113A CN 2012105827986 A CN2012105827986 A CN 2012105827986A CN 201210582798 A CN201210582798 A CN 201210582798A CN 103010113 A CN103010113 A CN 103010113A
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Abstract
The invention provides a vehicle-mounted information entertainment system which comprises a Beidou module (1), a wireless communication module (2), an MCU (micro controller unit) (3), a CPU (4) and a speech communication module (5), wherein the speech communication module (5) is connected with the wireless communication module (2), the wireless communication module (2) and the CPU (4) are respectively connected with the MCU (3), the Beidou module (1) comprises an active antenna module (11) and a radio frequency receiving module (12), the active antenna module (11) is connected with the radio frequency receiving module (12), and the radio frequency receiving module (12) is connected with the MCU (3). The vehicle-mounted information entertainment system integrates audio entertainment, video entertainment, FM/AM radio and navigation, provides the basic communication functions of a car telephone and a short message, and can provide internet information services like web surfing, online news and online weather forecast for a driver.
Description
Technical field
The present invention relates to automobile technical field, relate in particular to a kind of vehicle-mounted information and entertainment system.
Background technology
Along with the development of multimedia technology, people improve the operating needs of vehicle, also become more and more higher for the requirement of vehicle-mounted information and entertainment system.At present, the vehicle-mounted information and entertainment system on the general vehicle can comprise radio receiver and audio-frequence player device.Audio-frequence player device can play CD, perhaps on some vehicles, can also play the voice data of the digital formats such as MP3 or MP4.And radio receiver can be listened to radio broadcasting signal, and radio receiver and audio-frequence player device can use the interior sound system of car as loud speaker jointly.Radio receiver and audio-frequence player device generally all can be placed on the center console of vehicle.
The car owner of part also can be the vehicle configuration navigational aid now, and common navigational aid is separately configuration, is fixed on the front windshield by a sucker; And the navigational aid of using on the market generally relies on the gps system of the U.S..
In fact, in the use procedure of vehicle, also have a very important demand is exactly how to realize communicating by letter easily.Because it is very dangerous making a phone call when driving, so most chaufeur can the wired or wireless earphone of choice for use.But the use of earphone all can have certain impact for the sensation of conversation and the level of comfort of wearing.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of vehicle-mounted information and entertainment system, with audio entertain mem, video entertainment, the FM/AM radio receiver, navigation all integrates, vehicle-mounted information and entertainment system of the present invention is provided with wireless communication module and the voice module that is fit to communicate, car phone can be provided, the basic communication functions such as note, can provide web page browsing for the driver, online news, the internet information services such as online weather, obtain required Internet resource whenever and wherever possible for car owner user, make car owner user in the process of driving, obtain good multimedia recreation and experience; Particularly, the navigationsystem in vehicle-mounted information and entertainment system of the present invention adopts the Beidou satellite navigation and positioning system of Chinese independent research that the location navigation service is provided, and breaks away from the dependence to the gps system of the U.S., possesses important strategic importance and market outlook.
The present invention is achieved through the following technical solutions the object of the invention: design a kind of vehicle-mounted information and entertainment system, comprise Big Dipper module, wireless communication module, MCU, CPU and voice communications module; Described voice communications module is connected with described wireless communication module, and described wireless communication module and CPU are connected with described MCU respectively; Described Big Dipper module comprises active antenna module and Receiver Module, and described active antenna module is connected with Receiver Module, and described Receiver Module is connected with described MCU.
Beidou satellite navigation system is satellite navigation location, the time dissemination system of China's independent research, utilizes this system can realize location, navigation, precision time service, and succeeding in developing for China's national defense and economic construction of it has great importance.Triones navigation system is the radiolocation-satellite service frequency range in the frequency range of Union Internationale des Telecommunications's registration, upper behavior L frequency range (frequency 1610-1626.5MHz), lower behavior S frequency range (frequency 2483.5-2500MHz); The satellite position of registration is that equatorial eastern is through 800 degree, 140 degree and 110.5 degree (last is backup star position).
Vehicle-mounted information and entertainment system of the present invention is realized the satellite navigation location of vehicle by Big Dipper module, the time service function, realize car phone by wireless communication module and voice communications module, the basic communication functions such as note, make things convenient for the car owner in driving procedure, to receive calls, safe driving, and can provide web page browsing for the driver, online news, the internet information services such as online weather, obtain required Internet resource whenever and wherever possible for car owner user, gathered audio entertain mem, video entertainment, the FM/AM radio receiver, navigation, the functions such as telephone communication make car owner user obtain good multimedia recreation in the process of driving and experience.
As a further improvement on the present invention, described active antenna module comprise the antenna that receives Big Dipper satellite signal, noise amplifier that the Big Dipper satellite signal that receives is amplified, with the frequency conversion of noise amplifier output signal be intermediate-freuqncy signal frequency converter, allow intermediate-freuqncy signal pass through and other frequency signals of filtering frequency converter output and the bandpass filter of out-of-band noise; Described antenna, noise amplifier, frequency converter, bandpass filter connect successively; Described bandpass filter is connected with described Receiver Module.
As a further improvement on the present invention, described Receiver Module comprises the intermediate-freuqncy signal of described bandpass filter output amplified, double conversion, filtering, AD conversion, obtained the GPS radio frequency chip of digital baseband signal or digital medium-frequency signal, and to described digital baseband signal or digital medium-frequency signal carry out digital quadrature down coversion, despreading, demodulation, decipher, resolve processings, realize locating, the digital received treater of time service function; Described digital received treater is connected with described MCU.
Existing Big Dipper satellite signal receiver module mainly is comprised of radio-frequency channel and digital received processing section, and wherein the radio-frequency channel comprises radio frequency amplification, for the first time frequency conversion, AGC amplification, for the second time frequency conversion, LPF, AD converter etc.Because Beidou satellite navigation system uses dedicated frequency to transmit, existing receiver module exists cost, power consumption larger, and the volume of receiver module is larger, postpones the problems such as larger.Big Dipper module of the present invention is amplified the Big Dipper satellite signal that receives first, re-use the general frequency conversion chip that volume is little, cost is low, the Big Dipper satellite signal carrier wave is changed into intermediate-freuqncy signal, then fall intermediate-freuqncy signal other frequency signals and out-of-band noise in addition by band-pass filter; The GPS radio frequency chip amplifies, double conversion, filtering, AD conversion, obtains digital baseband signal or digital medium-frequency signal the intermediate-freuqncy signal of bandpass filter output again, at last, the digital received treater carries out digital quadrature down coversion, despreading, demodulation, deciphers, resolves processing, realizes location, time service function described digital baseband signal or digital medium-frequency signal.Than prior art, Big Dipper module volume of the present invention is little, low in energy consumption, cost is low, it is little to postpone.
As a further improvement on the present invention, described voice communications module comprises microphone and SIM, and described microphone and SIM all are connected with described wireless communication module.By voice communications module, the present invention can realize the basic communication functions such as car phone, note, makes things convenient for the car owner to receive calls in driving procedure, receives and sends messages, and helps safe driving.
As a further improvement on the present invention, described wireless communication module is the TD-SCDMA/WCDMA/CDMA2000 module.
As a further improvement on the present invention, described wireless communication module is the GPRS/GSM/CDMA module.Realize the internet information services such as web page browsing, online news, online weather by wireless communication module, obtain required Internet resource whenever and wherever possible for car owner user.
As a further improvement on the present invention, also comprise audio system, described audio system comprises radio receiver and the audio-frequence player device that is connected with described MCU respectively.Work by MCU control radio receiver, the audio-frequence player devices such as MP3, CD.
As a further improvement on the present invention, also comprise audio/video player system, described audio/video player system comprises video playback apparatus and the memory cell that is connected with described CPU respectively.Work by the video in the CPU control store unit and the video playback apparatus such as MP4, DVD.
As a further improvement on the present invention, also comprise the power amplifier that is connected with described MCU.Improve the sensation of tone and the visual effect of this vehicle-mounted information and entertainment system by power amplifier, for the driver provides better entertainment effect.
As a further improvement on the present invention, also comprise the I/O interface module that is connected with described CPU, described I/O interface module comprises USB interface, serial interface, parallel interface and scsi interface.Vehicle-mounted information and entertainment system of the present invention adopts MCU, CPU dual controller simultaneously, makes the work of system more smooth and easy, and efficient is larger, and function is more powerful; Simultaneously, the multiple interfaces such as the USB interface that provides by set I/O interface module, serial interface, scsi interface (Small Computer System Interface, small computer systems interface) strengthen the expansion of native system.
The invention has the beneficial effects as follows: a kind of vehicle-mounted information and entertainment system is provided, audio entertain mem, video entertainment, FM/AM radio receiver, navigation are all integrated, and be provided with wireless communication module and the voice module that is fit to communicate, the basic communication functions such as car phone, note can be provided, the internet information services such as web page browsing, online news, online weather can be provided for the driver, obtain required Internet resource whenever and wherever possible for car owner user, make car owner user in the process of driving, obtain good multimedia recreation and experience; Particularly, the navigationsystem in vehicle-mounted information and entertainment system of the present invention adopts the Beidou satellite navigation and positioning system of Chinese independent research that the location navigation service is provided, and breaks away from the dependence to the gps system of the U.S., possesses important strategic importance and market outlook.
Description of drawings
Fig. 1 is the vehicle-mounted information and entertainment system structured flowchart in an embodiment of the present invention;
Fig. 2 is the structured flowchart of Big Dipper module in the embodiment of the invention.
Identify among the figure: 1-Big Dipper module; The 11-active antenna module; The 111-antenna; The 112-noise amplifier; The 113-frequency converter; The 114-bandpass filter; The 12-Receiver Module; The 121-GPS radio frequency chip; 122-digital received treater; The 2-wireless communication module; 3-MCU; 4-CPU; The 5-voice communications module; The 51-microphone; The 52-SIM card; The 6-audio system; The 61-radio receiver; The 62-audio-frequence player device; The 7-audio/video player system; The 71-video playback apparatus; The 72-memory cell; The 8-power amplifier; The 9-I/O interface module.
The specific embodiment
The present invention is further described below in conjunction with description of drawings and the specific embodiment.
As shown in Figure 1 and Figure 2, a kind of vehicle-mounted information and entertainment system comprises Big Dipper module 1, wireless communication module 2, MCU 3, CPU 4 and voice communications module 5; Described voice communications module 5 is connected with described wireless communication module 2, and described wireless communication module 2 and CPU 4 are connected with described MCU 3 respectively; Described Big Dipper module 1 comprises active antenna module 11 and Receiver Module 12; The noise amplifier 112 that described active antenna module 11 comprises the antenna 111 that receives Big Dipper satellite signal, amplify the Big Dipper satellite signal that receives, with noise amplifier 112 output signal frequency conversions be intermediate-freuqncy signal frequency converter 113, allow intermediate-freuqncy signal pass through and other frequency signals of filtering frequency converter 113 outputs and the bandpass filter 114 of out-of-band noise; Described Receiver Module 12 comprises the intermediate-freuqncy signal of described bandpass filter 114 outputs amplified, double conversion, filtering, AD conversion, obtained the GPS radio frequency chip 121 of digital baseband signal or digital medium-frequency signal, and to described digital baseband signal or digital medium-frequency signal carry out digital quadrature down coversion, despreading, demodulation, decipher, resolve processings, realize locating, the digital received treater 122 of time service function; Described antenna 111, noise amplifier 112, frequency converter 113, bandpass filter 114, GPS radio frequency chip 121, digital received treater 122 connect successively, and described digital received treater 122 is connected with described MCU 3.
As shown in Figure 1, described voice communications module 5 comprises microphone 51 and SIM 52, and described microphone 51 and SIM 52 all are connected with described wireless communication module 2.
Described wireless communication module 2 is the TD-SCDMA module, certainly, described wireless communication module 2 also can adopt WCDMA, CDMA2000, GPRS, GSM or CDMA module, realize phone, short message communication and function of surfing the Net by voice communications module 5 and wireless communication module 2, obtain required Internet resource whenever and wherever possible for car owner user.
As shown in Figure 1, this vehicle-mounted information and entertainment system also comprises audio system 6, audio/video player system 7, power amplifier 8 and I/O interface module 9; Described audio system 6 comprises radio receiver 61 and the audio-frequence player device 62 that is connected with described MCU 3 respectively; Described audio/video player system 7 comprises video playback apparatus 71 and the memory cell 72 that is connected with described CPU 4 respectively; Described power amplifier 8 is connected with described MCU 3, and described I/O interface module 9 is connected with described CPU 4, and described I/O interface module 9 comprises USB interface, serial interface, parallel interface and scsi interface.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a vehicle-mounted information and entertainment system is characterized in that: comprise Big Dipper module (1), wireless communication module (2), MCU(3), CPU(4) and voice communications module (5); Described voice communications module (5) is connected with described wireless communication module (2), described wireless communication module (2) and CPU(4) respectively with described MCU(3) be connected; Described Big Dipper module (1) comprises active antenna module (11) and Receiver Module (12), and described active antenna module (11) is connected with Receiver Module (12), described Receiver Module (12) and described MCU(3) be connected.
2. vehicle-mounted information and entertainment system according to claim 1 is characterized in that: the noise amplifier (112) that described active antenna module (11) comprises the antenna (111) that receives Big Dipper satellite signal, amplify the Big Dipper satellite signal that receives, with noise amplifier (112) output signal frequency conversion be intermediate-freuqncy signal frequency converter (113), allow intermediate-freuqncy signal pass through and other frequency signals of filtering frequency converter (113) output and the bandpass filter (114) of out-of-band noise; Described antenna (111), noise amplifier (112), frequency converter (113), bandpass filter (114) connect successively; Described bandpass filter (114) is connected with described Receiver Module (12).
3. vehicle-mounted information and entertainment system according to claim 2, it is characterized in that: described Receiver Module (12) comprises the intermediate-freuqncy signal of described bandpass filter (114) output amplified, double conversion, filtering, AD conversion, obtained the GPS radio frequency chip (121) of digital baseband signal or digital medium-frequency signal, and to described digital baseband signal or digital medium-frequency signal carry out digital quadrature down coversion, despreading, demodulation, decipher, resolve processings, realize locating, the digital received treater (122) of time service function; Described digital received treater (122) and described MCU(3) be connected.
4. vehicle-mounted information and entertainment system according to claim 3, it is characterized in that: described voice communications module (5) comprises microphone (51) and SIM (52), and described microphone (51) and SIM (52) all are connected with described wireless communication module (2).
5. vehicle-mounted information and entertainment system according to claim 4 is characterized in that: described wireless communication module (2) is the TD-SCDMA/WCDMA/CDMA2000 module.
6. vehicle-mounted information and entertainment system according to claim 4 is characterized in that: described wireless communication module (2) is the GPRS/GSM/CDMA module.
7. according to claim 5 or 6 described vehicle-mounted information and entertainment systems, it is characterized in that: also comprise audio system (6), described audio system (6) comprises respectively and described MCU(3) radio receiver (61) and the audio-frequence player device (62) that are connected.
8. vehicle-mounted information and entertainment system according to claim 7 is characterized in that: also comprise audio/video player system (7), described audio/video player system (7) comprises respectively and described CPU(4) video playback apparatus (71) and the memory cell (72) that are connected.
9. vehicle-mounted information and entertainment system according to claim 8 is characterized in that: also comprise and described MCU(3) power amplifier (8) that is connected.
10. vehicle-mounted information and entertainment system according to claim 9 is characterized in that: also comprise and described CPU(4) the I/O interface module (9) that is connected, described I/O interface module (9) comprises USB interface, serial interface, parallel interface and scsi interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105827986A CN103010113A (en) | 2012-12-28 | 2012-12-28 | Vehicle-mounted information entertainment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105827986A CN103010113A (en) | 2012-12-28 | 2012-12-28 | Vehicle-mounted information entertainment system |
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| CN103010113A true CN103010113A (en) | 2013-04-03 |
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| CN2012105827986A Pending CN103010113A (en) | 2012-12-28 | 2012-12-28 | Vehicle-mounted information entertainment system |
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| CN106143352A (en) * | 2015-04-24 | 2016-11-23 | 天津普正动力科技有限公司 | A kind of Information System for Hybrid Electric Vehicle |
| CN107408044A (en) * | 2015-03-25 | 2017-11-28 | 大众汽车有限公司 | The information and entertainment systems of vehicle |
| CN113183894A (en) * | 2021-04-15 | 2021-07-30 | 仲恺农业工程学院 | Multifunctional and intelligent vehicle-mounted system |
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Application publication date: 20130403 |