CN200993885Y - On-board digital player - Google Patents
On-board digital player Download PDFInfo
- Publication number
- CN200993885Y CN200993885Y CN 200620170863 CN200620170863U CN200993885Y CN 200993885 Y CN200993885 Y CN 200993885Y CN 200620170863 CN200620170863 CN 200620170863 CN 200620170863 U CN200620170863 U CN 200620170863U CN 200993885 Y CN200993885 Y CN 200993885Y
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- China
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- power supply
- digital code
- main control
- control chip
- host main
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- Expired - Fee Related
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- 230000005236 sound signal Effects 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 12
- 230000006870 function Effects 0.000 description 5
- 230000005055 memory storage Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
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Abstract
The utility model discloses an onboard digital player, and composes a car audio power amplifier. The digital player is provided with a USB interface connected with a portable storing device, a power supply treatment circuit, a HOST main control chip, and a decode mother board, which is composed of MP3 decode chipset. The HOST main control chip is respectively connected with the USB interface, the power supply treatment circuit, and the MP3 decode chipset. The MP3 decode chipset is used for receiving and decoding the data of the HOST main control chip, and sending audio signal to the car audio power amplifier through an audio output interface. The power supply of the onboard digital player is provided with a power supply terminal of the car audio, and the power can be directly supplied by the car audio power supply. Therefore, any of the MP3 form files in the external USB storing device can be played. The function of the car audio is extended from a pure radio, CD player and tape player to a digital player that can be communicated with the computer and Internet and can be provided as the standard positioning of the car audio.
Description
Technical field
The claimed technical scheme of the utility model relates to a kind of vehicle-mounted digital code player.
Background technology
At present, existing automobile audio product all with simple radio, CD player and magnetic tape station as the providing of source of sound, also have portioned product to adopt the FM radio frequency to play.Present popularizing along with computer, internet, digital music particularly MP3 format is very universal, the medium that become a fast development provide the source. and the such class luxury goods of automobile, this series products can not in time be provided, interactive and independence for digital product can not be enjoyed specialized configuration. and along with the raising of chip fabrication techniques, the capacity of portable USB memory storage is also increasing, and the kind of storage data and form are also more and more.But still there is not the special-purpose vehicle-mounted digital code player of specially joining now.
The utility model content
Technical problem to be solved in the utility model is that a kind of vehicle-mounted digital code player that can play digital audio and video signals by automobile audio is provided.
For solving the problems of the technologies described above, the technical solution of the utility model is, a kind of vehicle-mounted digital code player, comprise the automobile audio power amplifier, it is characterized in that: be provided with USB interface, power supply processing circuit, HOST main control chip that mobile storage device is connected in the described digital code player, the decoding mainboard that the MP3 decoding chip is formed, described HOST main control chip is connected with USB interface, power supply processing circuit, MP3 decoding chip respectively; Described MP3 decoding chip, the data that are used to receive the HOST main control chip are decoded, and by audio output interface to described automobile audio power amplifier output audio signal.
A kind of vehicle-mounted digital code player, described HOST main control chip also is connected with the digital code player operation push-button
A kind of vehicle-mounted digital code player, described power supply processing circuit is connected with the automobile audio power supply by the sound equipment power input terminal.
A kind of vehicle-mounted digital code player, described mobile storage device are USB flash disk, MP3, MP4, triplet card, USB card reader.
A kind of vehicle-mounted digital code player, described MP3 decoding chip model is 1316V.
A kind of vehicle-mounted digital code player, the model of described HOST main control chip are OT16888.
A kind of vehicle-mounted digital code player, owing to adopt said structure, be provided with USB interface, power supply processing circuit, HOST main control chip that mobile storage device is connected in the described digital code player, the decoding mainboard that the MP3 decoding chip is formed, described HOST main control chip is connected with USB interface, power supply processing circuit, MP3 decoding chip respectively.Can finish the HOST function by USB interface or USB patchcord as external all kinds of USB memory storages, read the data of external USB device.Adopt the mode of operation of two MCU in the device, the HOST main control chip is finished the HOST function, and the MP3 decoding chip is finished the data decode to various MP3 format, and the output double-audio signal as the LINE IN input of automobile audio, is play by the power amplifier of automobile audio.The power supply of vehicle-mounted digital code player leaves the power supply terminal of automobile audio, can be directly provides power supply by the power supply of automobile audio.So just can finish the file function of playing the MP3 format in any circumscribed USB memory storage.Song in the movable storage device, voice, audio etc. are play by the power amplifier of automobile audio.The function of automobile audio expanded to computer, internet from simple radio, CD player and magnetic tape station link to each other.And the standard configuration that can be used as automobile audio provides.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail;
Fig. 1 is a kind of vehicle-mounted digital code player structural representation of the utility model;
Fig. 2 is a decoding motherboard circuit principle schematic shown in Figure 1;
In Fig. 1, Fig. 2,1, the automobile audio power amplifier; 2, USB interface; 3, power supply processing circuit; 4, HOST main control chip; 5, MP3 decoding chip; 6, decoding mainboard; 7, audio output interface; 8, mobile storage device; 9, operation push-button; 10, sound equipment power input terminal; 11, sound equipment input terminal; 12, relay indicating light; 13, sound equipment lead-out terminal.
Embodiment
As shown in Figure 1 and Figure 2, a kind of vehicle-mounted digital code player, comprise automobile audio power amplifier 1, be provided with the USB interface 2, power supply processing circuit 3, the HOST main control chip 4 that are connected with mobile storage device 8 in the described digital code player, the decoding mainboard 6 that MP3 decoding chip 5 is formed, described HOST main control chip 4 is connected with USB interface 2, power supply processing circuit 3, MP3 decoding chip 5 respectively; MP3 decoding chip 5 models are 1316V.The model of HOST main control chip 4 is OT16888.Described MP3 decoding chip 5, the data that are used to receive HOST main control chip 4 are decoded, and by audio output interface 7 to described automobile audio power amplifier 1 output audio signal.
Vehicle-mounted digital code player is adapted at directly assembling on the automobile.Adopt damascene structures, can be assemblied on the car panel.The accurate USB interface 2 of product bidding, by HOST main control chip 4, the data that can move external all kinds of USB in the storage device 8 read, and described mobile storage device 8 is USB flash disk, MP3, MP4, triplet card, USB card reader.By the MP3 decoding chip, can carry out decodes and plays to music, the voice of the MP3 format in the data that read.And speech data wherein is transferred on the vehicle power amplifier 1 by the left and right sound channels lead-out terminal in the audio output interface 7, carry out the music and the speech play of all kinds of MP3 format.Power supply processing circuit 3 is connected with the automobile audio power supply by sound equipment power input terminal 10.Power supply is that the electric current and voltage conversion by power supply processing circuit 3 provides digital code player each circuits needed power supply DVDD by the power input terminal 10 input power supplys of automobile audio.Described HOST main control chip 4 also is connected with digital code player operation push-button 9.Operation by the switch SW in the operation push-button on the panel 91, SW2, SW3, can play the data of all kinds of mobile USB storage devices, suspend, when data playback, can finish by operation push-button 9 operations and to advance, to retreat and control that sound increases, reduces.After the start, its pilot lamp 12 can be glittering, points out various states.Digital code player also is provided with automobile audio input terminal 11, automobile audio lead-out terminal 13, realizes transmitting with the data of automobile audio by digital code player.Adopt the external read functions of USB, the FLASH capacity because of stored data that can not occur because of the raising of chip fabrication techniques constantly enlarges, and resembles the destiny that traditional digital product constantly is eliminated because capacity is less and cause.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection domain of the present utility model.
Claims (6)
1, a kind of vehicle-mounted digital code player, comprise automobile audio power amplifier (1), it is characterized in that: be provided with the USB interface (2), power supply processing circuit (3), the HOST main control chip (4) that are connected with mobile storage device (8) in the described digital code player, the decoding mainboard (6) that MP3 decoding chip (5) is formed, described HOST main control chip (4) is connected with USB interface (2), power supply processing circuit (3), MP3 decoding chip (5) respectively;
Described MP3 decoding chip (5), the data that are used to receive HOST main control chip (4) are decoded, and by audio output interface (7) to described automobile audio power amplifier (1) output audio signal.
2, a kind of vehicle-mounted digital code player according to claim 1 is characterized in that: described HOST main control chip (4) also is connected with digital code player operation push-button (9).
3, a kind of vehicle-mounted digital code player according to claim 1, it is characterized in that: described power supply processing circuit (3) is connected with the automobile audio power supply by sound equipment power input terminal (10).
4, a kind of vehicle-mounted digital code player according to claim 1 is characterized in that: described mobile storage device (8) is USB flash disk, MP3, MP4, triplet card, USB card reader.
5, a kind of vehicle-mounted digital code player according to claim 1 and 2 is characterized in that: described MP3 decoding chip (5) model is 1316V.
6, a kind of vehicle-mounted digital code player according to claim 1, it is characterized in that: the model of described HOST main control chip (4) is OT16888.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620170863 CN200993885Y (en) | 2006-12-26 | 2006-12-26 | On-board digital player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620170863 CN200993885Y (en) | 2006-12-26 | 2006-12-26 | On-board digital player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200993885Y true CN200993885Y (en) | 2007-12-19 |
Family
ID=38946959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620170863 Expired - Fee Related CN200993885Y (en) | 2006-12-26 | 2006-12-26 | On-board digital player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200993885Y (en) |
-
2006
- 2006-12-26 CN CN 200620170863 patent/CN200993885Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SAIC CHERY AUTOMOBILE CO., LTD. Free format text: FORMER NAME OR ADDRESS: QIRUI AUTOMOBILE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui 241009, China Patentee after: Saic Chery Automobile Co., Ltd. Address before: No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui 241009, China Patentee before: Qirui Automobile Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071219 Termination date: 20121226 |