CN201946299U

CN201946299U - Vehicle-mounted bluetooth wireless player

Info

Publication number: CN201946299U
Application number: CN2010206477030U
Authority: CN
Inventors: 梁德慷
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-08
Filing date: 2010-12-08
Publication date: 2011-08-24
Anticipated expiration: 2020-12-08

Abstract

The utility model relates to a vehicle-mounted bluetooth wireless player, belonging to the technical field of bluetooth wireless communication and internet combined application. The vehicle-mounted bluetooth wireless player comprises an electrical appliance mounting plate which is arranged in the player. A bluetooth module which can be connected with a bluetooth mobile phone through radio frequency flows, a master control processing module, a display module, a liquid crystal display (LCD), an audio decoding module, a power amplifier module, an operating key module, a battery, a vehicle-mounted charging module, a frequency modulation (FM) transmitting module and an AUX interface are arranged on the electrical appliance mounting plate, wherein the master control processing module is connected with the bluetooth module through a universal asynchronous receiver/transmitter (UART) interface, is connected with the audio decoding module, the power amplifier module and the operating key module through a serial peripheral interface (SPI) bus and is connected with the FM transmitting module through an inter-IC sound (I2S) interface. A third-generation (3G) wireless communication module is additionally arranged on the electrical appliance mounting plate. A program module is arranged in the master control processing module. The chip of the master control processing module is connected with the 3G wireless communication module through a universal serial bus (USB) interface. Music can be wirelessly downloaded to the vehicle-mounted audio player through the bluetooth mobile phone, a mobile phone wireless network and a music server.

Description

A kind of on-vehicle Bluetooth radio player

Technical field

The utility model belongs to Bluetooth wireless technology and combines applied technical field with internet (Internet), a kind of on-vehicle Bluetooth radio player of particularly utilizing bluetooth cellular phone to combine with in-vehicle player.

Background technology

Utilize application that bluetooth (Bluetooth) short-distance wireless communication technology combines with internet (Internet) more and more widely, for example a kind of wireless network interactive doll device is mainly used in toy industry.The middle controlled sound system in-vehicle player of automobile industry can play CD or is listened to music by the FM module, but utilizes the onboard wireless player of bluetooth cellular phone control, and the device of downloading and playing music is also rare at present whenever and wherever possible.Patent Office of the People's Republic of China's national patent database discloses the patent documentation of " Bluetooth connecting method, Bluetooth mobile terminal and on-vehicle Bluetooth system " (number of patent application 200910167213.2).Its method comprises: portable terminal periodic transmission detection signal is to detect bluetooth equipment; Detecting under the situation of bluetooth equipment, portable terminal is opened its Bluetooth transmission device and is carried out bluetooth with bluetooth equipment and be connected.The expectation of its purpose can improve the operative intelligenceization of Bluetooth mobile terminal, has solved writing to each other between the mobile phone and in-vehicle player in car, for example is applied in the sound system in-vehicle player of FOX car.No. 200510054657.7 patented claims of Soundmax Electronics Ltd. disclose a kind of blue tooth vehicular player, utilize the blue teeth wireless coupling arrangement, can directly search telephone directory on player, and dial; Conversation sound can be play in automobile audio by the subsidiary power amplification device of this player.That is to say, as long as being connected of locking mobile phone and this player just can be used as player mobile phone and use, and be the really wireless telephonic effect of realization.Though it is the most approaching with the present invention,, purpose of the present invention is different with the described feature of the technical scheme that achieves the goal patent documentation disclosed with it.

The utility model content

The purpose of this utility model provides a kind of wireless vehicle mounted player by Bluetooth control, and this device can be play it and utilize music that wireless network downloads whenever and wherever possible by the user and play by the automobile audio amplifier, to overcome the deficiency of the said goods.

The purpose of this utility model realizes like this: a kind of on-vehicle Bluetooth radio player, be included in an appliance mounting panel be set in the player, on installing plate, have can with bluetooth module, master control processing module, display module and LCD, audio decoder module, power amplifier module, operation push-button module, battery and vehicle-mounted charge module, FM transmitter module, the AUX interface of bluetooth cellular phone with the less radio-frequency stream link; The master control processing module is connected with bluetooth module by the UART interface, is connected with audio decoder module, power amplifier module, operation push-button module by spi bus; Pass through I ²The S interface is connected with the FM transmitter module; On electric installing plate, also be provided with the 3G wireless communication module.

Above-mentioned its chip of master control processing module is connected with the 3G wireless communication module respectively by USB interface.

Above-mentioned master control processing module is selected Samsung S3C6410 processor for use, emerging TD 3G module MU301 during the 3G wireless communication module is selected for use.

Compare with the existing product technology, the utility model device advantage and effect show: this device is down-load music wirelessly, and creates exclusive music list with bluetooth cellular phone.Saved general player need be from the computer process by USB copy song.And can obtain for example telecommunications 114 business service etc. of exclusive information service.

Description of drawings

Fig. 1 is a kind of on-vehicle Bluetooth radio player theory diagram synoptic diagram.

Fig. 2 is a kind of on-vehicle Bluetooth radio player structured flowchart synoptic diagram.

Fig. 3 Fig. 4 Fig. 5 Fig. 6 is described player partial circuit structural representation.

Fig. 7 is described player application embodiment synoptic diagram.

Numeral and letter representation: 1, electric installing plate; 2, bluetooth cellular phone; 2.1, bluetooth module; 2.2, the master control processing module; 2.3, display module and LCD; 2.4, audio decoder IC module; 2.5, power amplifier module; 2.6, operation push-button; 2.7, battery and vehicle-mounted charge module; 2.8, the FM transmitter module; 2.9, the 3G wireless communication module; AUX interface: audio input interface; UART: universal asynchronous reception/dispensing device, a parallel input becomes the chip of serial output.

Embodiment

Referring to a kind of as can be known on-vehicle Bluetooth radio player of Fig. 1,2,3,4,5,6, be included in an electric installing plate 1 is set in the player, on installing plate 1, have can with bluetooth module 2.1, master control processing module 2.2, display module and the LCD2.3 of bluetooth cellular phone 2 with the less radio-frequency stream link, audio decoder IC module 2.4, power amplifier module 2.5; Operation push-button 2.6, battery and vehicle-mounted charge module 2.7, FM transmitter module 2.8, AUX interface; Master control processing module 2.2 is connected with bluetooth module 1.1 by the UART interface, is connected with audio decoder IC module 2.4, power amplifier module 2.5, operation push-button 2.6 by spi bus; Pass through I ²The S interface is connected with FM transmitter module 2.8; Different is also to be provided with 3G wireless communication module 2.9 on electric installing plate 1, is provided with program module in the master control processing module 2.2.

The S3C6410 processor (ARM11 kernel) of master control processing module 2.2 up-to-date release of selected Samsung in this enforcement, high primary frequency can reach 800MHz.Dispose mass storages such as 128M byte DDR internal memory, 2GB Nand Flash and 2M byte Nor Flash on the plate, conveniently write, the application code of debug client.Design simultaneously integration USB, UART, SD, LCD, Camera, VGA, etc. the common equipment interface, be applicable to this Products Development.3G wireless communication module 2.9 is selected for use be in emerging TD 3G module MU301.It is first TD 3G module that obtains the networking card.It supports TD/EDGE bimodulus standard, supports the built-in module of TD-HSDPA; Downstream rate can be up to 2.8 million per seconds.

Functional characteristics of the present utility model has Standard PC IeMini Card 1.2 industrial interfaces, and the TD/GSM bimodulus automaticallyes switch; The relevant company standard that meets China Mobile's data card module; HSDPA speed DL2.8Mbps/UL384Kbps, EDGE236.8Kbps; VoUSB voice and PCM voice, sending and receiving short messages, short message serial connection, short-message cluster-sending, high capacity multimedia message transmitting-receiving, the USIM/SIM safety management, the AT command interface of standard and the AT of China Mobile command standard are supported WindowsXP, WindowsVista, Windows7, (SuSE) Linux OS, external antenna interface W.FL-R-SMT-1.

Described master control processing module S3C6410 processor chips are connected with 3G wireless communication module MU301 respectively by USB interface.Described bluetooth module 2.1 adopts BC4MM bluetooth module, with the wireless data transmission between realization system and the mobile phone 2, all adopts 2.4GHz frequency wireless frequency range, and adopts frequency modulation technology to realize point-to-point full-duplex data transfer function.What described audio decoder IC module 2.4 was selected for use is the WM9714LGEFL chip, and its function is to realize the decoding of audio file, and converts simulating signal to, supports multiple file layouts such as MP3, WAV, WMA.What FM transmitter module 2.8 was selected for use is the KT0805 chip, and the audio coding decoding module is delivered to electronic switch with the simulated audio signal of output, switches by the main control processing module and delivers to FM transmitter module KT0805; Master control processing module and KT0805 adopt I ²C interface connects.Power amplifier and acoustics are mainly amplified the sound signal of audio decoder IC output and the driving acoustics.AUX is an audio input interface, can from the electronics audiofrequency apparatus output audio that comprises mp3 as earphone jack, the music of listening this equipment with the sound equipment on the car.Described device can pass through bluetooth cellular phone, mobile phone wireless network, music servers, down-load music is to the vehicle audio player wirelessly.

Also include program in the described master control processing module, its step is done following briefly introducing:,

1) start-up routine; 2) judge whether bluetooth starts, if carry out next step; If not, continue to start bluetooth; 3) bluetooth binding player, and logon server; 4) send play command; 5) judge whether the existing song that needs broadcast, if carry out next step; If not, download by the 3G module; 6) played songs; 7) judge whether the FM emission opens, if, output audio; If not, AUX interface output.The application workflow of its correspondence is exactly: start mobile phone client software, bluetooth binding player, and logon server send play command then, and whether the player retrieves storer has the song that needs broadcast.If have then play, as then downloading by the 3G module.After finishing, download plays again.System judges whether the FM emission opens then.Output audio again.

Fig. 7 has provided Application Example.For example send instruction by bluetooth cellular phone by the Bluetooth transmission module: broadcast, time-out, download, deletion etc., give " processing module "." processing module " is according to other module of different instruction control.A complete playing flow is as follows: " bluetooth cellular phone " passes through " Bluetooth transmission module " and sends instruction, downloads mp3 file by " processing module " control " 3G, 2G wireless communication module ", storage.Perhaps this process also can send to " processing module " and storage by " Bluetooth transmission module " by the mobile phone-downloaded mp3 file; By " audio decoder module " mp3 file is decoded again.At last by " FM transmitter module " or " AUX interface " outputting music.Whole process can be presented on the liquid crystal display by " display module (LCD) ".As without mobile phone operation the time, directly also can operate with " operation push-button module ".

Claims

1. on-vehicle Bluetooth radio player, comprise an appliance mounting panel (1) that is provided with in the player, on installing plate (1), have can with bluetooth module (2.1), master control processing module (2.2), display module and the LCD(2.3 of bluetooth cellular phone (2) with the less radio-frequency stream link), audio decoder module (2.4), power amplifier module (2.5), operation push-button module (2.6), battery and vehicle-mounted charge module (2.7), FM transmitter module (2.8), AUX interface; Described master control processing module (2.2) is connected with bluetooth module (2.1) by the UART interface, is connected with audio decoder module (2.4), power amplifier module (2.5), operation push-button module (2.6) by spi bus; Pass through I ²The S interface is connected with FM transmitter module (2.8); It is characterized in that: also be provided with 3G wireless communication module (2.9) on the described electric installing plate (1).

2. a kind of on-vehicle Bluetooth radio player according to claim 1 is characterized in that: its chip of described master control processing module (2.2) is connected with 3G wireless communication module (2.9) respectively by USB interface.

3. a kind of on-vehicle Bluetooth radio player according to claim 1 is characterized in that: described master control processing module (2.2) is selected Samsung S3C6410 processor for use, emerging TD 3G module MU301 during 3G wireless communication module (2.9) is selected for use.