CN201285666Y - Bluetooth transmission digital audio playing apparatus - Google Patents
Bluetooth transmission digital audio playing apparatus Download PDFInfo
- Publication number
- CN201285666Y CN201285666Y CNU2008201527407U CN200820152740U CN201285666Y CN 201285666 Y CN201285666 Y CN 201285666Y CN U2008201527407 U CNU2008201527407 U CN U2008201527407U CN 200820152740 U CN200820152740 U CN 200820152740U CN 201285666 Y CN201285666 Y CN 201285666Y
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- digital audio
- bluetooth transmission
- player
- transmission digital
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model provides a Bluetooth transmission digital audio playing device which comprises an integrated automatic MP3 player consisting of an MP3 player, a content storage, a timing circuit, a Bluetooth wireless receiving/transmitting module, a power source and an essential external circuit, wherein the MP3 player consists of an MP3 decoding chip, an NANDF LASH, a power source and other essential peripheral circuits, and the Bluetooth wireless receiving/transmitting module is connected with the MP3 player and a main control chip. The utility model solves the problem that the MP3 device cannot play full-automatically, and ensures that the MP3 playing device achieves the functions such as turning on and off automatically, remote updating and continually playing in a state of current failure.
Description
Technical field
The utility model relates to a kind of electronic product, relates in particular to a kind of audio-visual products, particularly a kind of digital multi-functional integral synchronous audio playing device.It carries out content update by Bluetooth technology.
Background technology
In the prior art, the MP3 playback equipment is made of MP3 decoding chip, NAND FLASH, power supply and other necessary peripheral circuits.At power connection, artificial by behind " broadcasts " key, the digital signal in the FLASH is carried out D/A conversion back output, and by earphone or external audio equipment broadcast.And its content update more brings realization by wire transmission or hardware.There is following defective in prior art:
1, present MP3 playback equipment all can't be realized full-automatic broadcast, needs to rely on outside control signal.
2, the playing device formed of present multi-section MP3 equipment under the situation that does not have circuit to connect, can't be realized synchronous playing between mutually.
3, the played file in can't remote update MP3 player.The long-range wireless content that more can't realize the played file in the MP3 player upgrades.
4, can't realize the continued broadcasting requirement of cutting off the power supply.
Summary of the invention
Technical problem to be solved in the utility model is: present MP3 playback equipment can't be realized full-automatic broadcast; The playing device that present on the other hand multi-section MP3 equipment is formed under the situation that does not have circuit to connect, can't be realized synchronous playing between mutually; Played file in can't remote update MP3 player.The long-range wireless content that more can't realize the played file in the MP3 player upgrades.Can't realize the continued broadcasting requirement of cutting off the power supply.
The utility model is made of the integrated automatic player of MP3 for the technical scheme that above-mentioned technical matters adopted that solves in the prior art provides a kind of Bluetooth transmission digital audio playback device, it is characterized in that:
Described MP3 player, content stores circuit, timing circuit, Bluetooth transmission module are built in the cabinet, described MP3 player mainly is made of decoding chip, DAC chip, NAND FLASH and necessary external circuit thereof, described MP3 player is connected with described stereo set by signal wire, described timing circuit is connected with described stereo set, the digital signal of MP3 format coding is carried out decoding processing through described MP3 player, and further is sent to described stereo set and plays.Described timing circuit provides clock signal and timing controlled order for the automatic playback equipment of described MP3 numeral; Described blue teeth wireless is received/is sent out module and is connected jointly with the MP3 player module with main MCU, controlled by main control MCU, can realize the play content in the MP3 player is realized that wireless content upgrades.
Described MP3 numeral player automatically can realize the full-automatic regularly broadcast of unit; Further, described MP3 numeral is built-in with synchronous signal receiver in the player automatically; Integrated synchronous generator of described MP3 and described synchronous signal receiver cooperating are to realize the synchronous playing of system, further, be built-in with less radio-frequency in the described synchronizing signal device and receive/send out module, also be provided with less radio-frequency in the described synchronous signal receiver and receive/send out module, described synchronous generator and described synchronous signal receiver carry out cooperating by the mobile public network that China Mobile or CHINAUNICOM etc. transfer operator with wireless communication mode.
MP3 player in the utility model, content stores circuit, synchronous generator, synchronous signal receiver and blue teeth wireless receipts/module etc. all can adopt known technology of the prior art, not repeat them here.
The utility model and prior art contrast, and effect is positive and tangible.The exploitation of the utility model " a kind of Bluetooth transmission digital audio playback device " has solved the place of controlling and outer signal source and stube cable should not being installed unmanned, many MP3 playback equipments automatic switch in the time of setting, and the problem of synchronous rolling broadcast.Simultaneously can realize the played file in the MP3 playback equipment is carried out remote update.
The purpose of this utility model, feature and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
Description of drawings
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
The enforcement synoptic diagram of Fig. 1 Bluetooth transmission digital audio playback device
Fig. 2 is that the management and the application message emission coefficient of Bluetooth transmission digital audio playback device implemented synoptic diagram
Fig. 3 is the circuit control module structural drawing of Bluetooth transmission digital audio playback device.
Embodiment
Shown in figure one, the Bluetooth transmission digital audio playback device is made of playing controller, content memorizer, timer, Bluetooth transmission module, loudspeaker and power supply.Described equipment is built in the casing.Figure two described LCD display are made of LCD screen and liquid crystal display control circuit board.Main control MCU is by the SH69P56 master control, and inside carries liquid crystal drive and real time clock circuit constitutes.The MP3 controller is made of M05-MP3 development board and NAND FLASH.Timing circuit is by timer control routine and control circuit.Power supply is made of detection of power loss and charging circuit and Switching Power Supply.Wireless receiving module cooperates the Bluetooth transmission communication module to constitute (CSR bluetooth module) by ARM9 platform single-chip Embedded System Design.System software is made of main control module, playing module, time block, memory module, power supply detection module, keyboard processing module, bluetooth information receiving module etc.
One of equipment characteristic is to play by single-point control multiple spot, realizes the effect of synchronous playing.Multi-faceted common parts such as this Bluetooth transmission digital audio playback device can be placed in the elevator of commercial affairs, domestic premises, lift lobby, public corridor, public sanitary place, parking place.Public information, service guide, advertisement information, style entertainment, advertising message or the like are play in the rolling of continuous controllable.Can provide special-purpose applied environment for particular client.
Two of equipment characteristic is in the place of installation environment power supply less stable, has outage continued broadcasting function.Relatively flexibly, convenient, economical and practical.
Wireless receiver regularly reads related content by the database of wireless public network in the native system management server, and is installed in automatically in the NAND FLASH internal memory of MP3.
Claims (10)
1. Bluetooth transmission digital audio playback device, constitute by the integrated automatic player of MP3, it is characterized in that: the integrated automatic player of described MP3 is by the MP3 player, content memorizer, timing circuit, module is received/sent out to blue teeth wireless, power supply and necessary external circuit constitute, described MP3 player, content memorizer, timing circuit, module is received/sent out to blue teeth wireless, power supply and necessary external circuit are built in the cabinet, described MP3 player is by the MP3 decoding chip, NAND FLASH, power supply and other necessary peripheral circuits constitute, described MP3 player is connected with stereo set by signal wire, described timing circuit is connected with described stereo set, and described blue teeth wireless is received/sent out module and is connected with described MP3 player and main control chip.
2. Bluetooth transmission digital audio playback device according to claim 1 is characterized in that, also comprises synchronous generator.
3. Bluetooth transmission digital audio playback device according to claim 1 is characterized in that, also comprises synchronous signal receiver.
4. Bluetooth transmission digital audio playback device according to claim 2 is characterized in that, described synchronous generator is built-in with less radio-frequency and receives/send out module.
5. Bluetooth transmission digital audio playback device according to claim 2 is characterized in that described synchronous generator is built-in with wireless communication module.
6. Bluetooth transmission digital audio playback device according to claim 3 is characterized in that, described synchronous signal receiver is built-in with less radio-frequency and receives/send out module.
7. Bluetooth transmission digital audio playback device according to claim 3 is characterized in that described synchronous signal receiver is built-in with wireless communication module.
8. according to claim 5 or 7 described Bluetooth transmission digital audio playback devices, it is characterized in that, described wireless communication module comprise as in the lower module any or appoint multiple:
-GPRS module;
-ADGE module;
-CDMA module;
-Ling the wing leads to module; And
-WLAN module.
9. Bluetooth transmission digital audio playback device according to claim 1 is characterized in that, also comprises power-fail detection circuit.
10. Bluetooth transmission digital audio playback device according to claim 1 is characterized in that, also comprises power-off protecting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201527407U CN201285666Y (en) | 2008-09-04 | 2008-09-04 | Bluetooth transmission digital audio playing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201527407U CN201285666Y (en) | 2008-09-04 | 2008-09-04 | Bluetooth transmission digital audio playing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201285666Y true CN201285666Y (en) | 2009-08-05 |
Family
ID=40950648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201527407U Expired - Lifetime CN201285666Y (en) | 2008-09-04 | 2008-09-04 | Bluetooth transmission digital audio playing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201285666Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049987A (en) * | 2015-08-04 | 2015-11-11 | 黑龙江真美广播通讯器材有限公司 | Timing auto-playing loudspeaker box |
-
2008
- 2008-09-04 CN CNU2008201527407U patent/CN201285666Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049987A (en) * | 2015-08-04 | 2015-11-11 | 黑龙江真美广播通讯器材有限公司 | Timing auto-playing loudspeaker box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090805 |