CN201698765U - Vehicle-mounted digital MP3 radio-cassette player - Google Patents
Vehicle-mounted digital MP3 radio-cassette player Download PDFInfo
- Publication number
- CN201698765U CN201698765U CN2010202288557U CN201020228855U CN201698765U CN 201698765 U CN201698765 U CN 201698765U CN 2010202288557 U CN2010202288557 U CN 2010202288557U CN 201020228855 U CN201020228855 U CN 201020228855U CN 201698765 U CN201698765 U CN 201698765U
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- radio
- main control
- vehicle
- control microprocessor
- box body
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Abstract
The utility model provides a vehicle-mounted digital MP3 radio-cassette player used for automobiles and other motor-driven vehicles. The vehicle-mounted digital MP3 radio-cassette player adopts the structural form formed by a main control circuit and a structural box body, and the main control circuit is provided with a main control microprocessor and a subsidiary control microprocessor; the structural box body is provided with a U disk cartridge, a universal slot USB and an SD card slot. The main control microprocessor of the main control board is connected with a liquid crystal display. The universal slot USB is arranged at the rear end of the U disk inserting box of the structural box body, and the upper end of the U disk cartridge is provided with the SD card slot. The vehicle-mounted digital MP3 radio-cassette player not only can radio, but also can play MP3 files stored on the U disk, can be widely applied to various motor-driven vehicles, and have the advantages of compact structure, convenient installation, dust prevention and shock resistance, friendly interface, stability, reliability and long service life.
Description
Affiliated technical field
The utility model relates to a kind of vehicle-mounted digital MP3 radio and tape player that is used for motor vehicles such as automobile.
Background technology
The traditional onboard audio or the video playback apparatus that are used for motor vehicles such as automobile are cassette tape player, CD/DVD player, or the like.This class playback equipment, particularly audio-frequence player device, its audio carrier mainly are tape or CD.Because the audio-frequence player device that tape or CD constitute is had relatively high expectations to working environment, vehicle can directly affect failure rate, serviceable life and the play quality of audio-frequence player device in the vibrations of driving process, thereby traditional onboard audio playback equipment or cassette tape player mostly can not adapt to the working environment requirement.
Summary of the invention
The utility model is that a kind of vehicle-mounted digital MP3 radio and tape player will be provided, it combines the MP3 player of FM receiver and audio compression form, solved shockproof, the dustproof and trouble-proof problem of vehicle mounted MP 3 playback equipment reliably, greatly prolonged serviceable life, improved radio reception and playing quality effectively, simplified installation process, expanded functions of use.
The technical scheme that the utility model is dealt with problems is: the version that its adopts governor circuit and structure box body to form, governor circuit are provided with main control microprocessor and from the control microprocessor; The structure box body is provided with USB flash disk and inserts box and USB socket, and presets the SD card plug.The main control microprocessor of governor circuit connects LCD.The rear end that the USB flash disk of structure box body is inserted box is provided with the Universal USB socket, and the upper end that USB flash disk is inserted box is provided with the SD card plug.
The beneficial effects of the utility model are: because the main control microprocessor of governor circuit connects LCD, thereby has reduced module number, improved level of integrated system, improved man-machine interface.Simultaneously, insert box because the structure box body is provided with USB flash disk, the rear end that USB flash disk is inserted box is provided with the Universal USB socket, thereby has improved the stability that USB flash disk inserts, and has ensured the reliability of its work.The advantage of the utility model also has simple in structure, easy for installation, dustproof antidetonation and long service life.
Description of drawings
The example that provides below in conjunction with accompanying drawing further specifies the utility model.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the utility model schematic block circuit diagram.
Among the figure, 1. power circuit, 2. key circuit, 3. main control microprocessor, the 4.FM/MP3 commutation circuit is 5. from the control microprocessor, 6.U dish interface circuit, 7. radio receiving circuit, 8. pre-amplification circuit, 9. power amplifier, 10. display circuit, 11. governor circuits, 12. structure box bodys, 13. LCD, 14. keyboard button, 15.FM/MP3 switching push button, 16. switches and volume knob, 17.U dish is inserted box, 18. the Universal USB socket, the 19.U dish is inserted box guide groove, 20SD card plug, 21. light-passing board, 22. lids.
Embodiment
Agent structure of the present utility model is governor circuit (11) and structure box body (12).
Governor circuit (11) comprising: power circuit (1), key circuit (2), main control microprocessor (3), FM/MP3 commutation circuit (4), from control microprocessor (5), USB flash disk interface circuit (6), radio receiving circuit (7), pre-amplification circuit (8), power amplifier (9), display circuit (10).
Structure box body (12) comprising: LCDs (13), keyboard button (14), FM/MP3 switching push button (15), switch and volume knob (16), USB flash disk is inserted box (17), Universal USB socket (18), and USB flash disk is inserted box guide groove (19), SD card plug (20), light-passing board (21), lid (22).
USB flash disk is inserted the use of box (17): open the lid (22) that USB flash disk is inserted box, USB flash disk is had one of gathering sill face down, insert box guide groove (19) along USB flash disk and slowly insert USB flash disk and insert box (17), contact well with Universal USB socket (18) up to USB flash disk and get final product.Switch and the volume knob of turning clockwise (16), hear a sound after, power supply is promptly opened.After the start, LCDs (13) illumination is lighted, and read clock begins MP3 immediately and plays.USB flash disk is inserted box (17) inboard and is provided with light-passing board (21), and light-passing board (21) the inside is provided with illuminating lamp LED, and it is clear that USB flash disk is inserted box (17) position, is convenient to the insertion of USB flash disk.
MP3 playing circuit principle: USB flash disk is correctly put into USB flash disk and is inserted box (17), and power circuit (1) provides stable operating voltage.Rotary switch and volume knob (16), opening power, LCDs (13) illumination is lighted, and clock shows.USB flash disk interface circuit (6) reads the data in the USB flash disk, and the data that read are delivered to from control microprocessor (5) decode, pass through the processing of pre-amplification circuit (8) and power amplification circuit (9) then, by sound signal or the song in the current USB flash disk of loudspeaker plays, in the playing process, from the broadcast of control microprocessor (5) scanning key circuit (2) with control MP3.
Receiver circuit principle: by FM/MP3 folding and unfolding commutation circuit (4) and key circuit (2), main control microprocessor (3) sends the FM play instruction for radio receiving circuit (7), simultaneously, control display circuit (10) shows the FM play mode, radio receiving circuit (7) according to the command information that receives be tuned to the radio station of appointment, and carry out adjustings such as tone, balance, pass through the processing of pre-amplification circuit (8) and power amplification circuit (9) then, by the sound signal in the current radio station of loudspeaker plays.In the radio reception process, main control microprocessor (3) scanning key circuit (2) is with the broadcast of control FM, tuning and storage.Main control microprocessor (3) stores among the storer EEPROM of main control microprocessor (3) by reading the station information of radio receiving circuit (7), and current radio station is presented on the LCDs (13), and after the standby, user data can not lost.After the start, main control microprocessor (3) reads the data among the storer EEPROM, returns to the preceding state of shutdown.
Claims (3)
1. vehicle-mounted digital MP3 radio and tape player, it is characterized in that: it is made up of governor circuit (11) and structure box body (12); Governor circuit (11) be provided with main control microprocessor (3) and from the control microprocessor (5); Structure box body (12) is provided with USB flash disk and inserts box (17) and Universal USB socket (18).
2. vehicle-mounted digital MP3 radio and tape player according to claim 1 is characterized in that: the main control microprocessor (3) of governor circuit (11) connects LCD (13).
3. vehicle-mounted digital MP3 radio and tape player according to claim 1 is characterized in that: the rear end that the USB flash disk of structure box body (12) is inserted box (17) is provided with Universal USB socket (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202288557U CN201698765U (en) | 2010-06-03 | 2010-06-03 | Vehicle-mounted digital MP3 radio-cassette player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202288557U CN201698765U (en) | 2010-06-03 | 2010-06-03 | Vehicle-mounted digital MP3 radio-cassette player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201698765U true CN201698765U (en) | 2011-01-05 |
Family
ID=43400011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202288557U Expired - Fee Related CN201698765U (en) | 2010-06-03 | 2010-06-03 | Vehicle-mounted digital MP3 radio-cassette player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201698765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355274A (en) * | 2011-09-30 | 2012-02-15 | 北京昆腾微电子有限公司 | Channel adjusting and storing device for radio receiver chip and method |
-
2010
- 2010-06-03 CN CN2010202288557U patent/CN201698765U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355274A (en) * | 2011-09-30 | 2012-02-15 | 北京昆腾微电子有限公司 | Channel adjusting and storing device for radio receiver chip and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20150603 |
|
| EXPY | Termination of patent right or utility model |