CN201467445U - External Bluetooth module interface device for multi-media sound system - Google Patents
External Bluetooth module interface device for multi-media sound system Download PDFInfo
- Publication number
- CN201467445U CN201467445U CN2009201301763U CN200920130176U CN201467445U CN 201467445 U CN201467445 U CN 201467445U CN 2009201301763 U CN2009201301763 U CN 2009201301763U CN 200920130176 U CN200920130176 U CN 200920130176U CN 201467445 U CN201467445 U CN 201467445U
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- bluetooth module
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- 230000000295 complement effect Effects 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 230000005236 sound signal Effects 0.000 claims description 4
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
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Abstract
The utility model relates to an external Bluetooth module interface device for a multi-media sound system, which comprises an external Bluetooth module and an interface, wherein the external Bluetooth module comprises a shell in which a Bluetooth acoustic processing circuit board is arranged, the shell is also provided with a Bluetooth module plug matched with a Bluetooth module socket, wherein the Bluetooth module plug is connected with the circuit board, the Bluetooth module socket is arranged on the body of the multi-media sound system, and the circuit board comprises a transceiving/DSP control unit circuit for Bluetooth signals. The device receives signals sent by a Bluetooth device connected with the device, and outputs stereo acoustic signals to the amplifier of the multi-media sound system for amplification, and the device is characterized by simple structure, small size, low cost, convenient mounting and use and the like, and is more suitable for use in Bluetooth equipment compatible with multiple sound sources and multi-person telephone conference.
Description
Technical field
The utility model relates to multimedia sound equipment/bluetooth equipment, mainly is meant a kind of circumscribed bluetooth module and interface equipment thereof of multimedia sound equipment.
Background technology
The multimedia sound equipment cooperates various multimedia sources of sound to carry out the electronic equipment of sound reproduction as a kind of, is applicable to family, school, hospital, office, food and drink, hotel, factory, office etc.The general all wired interface/joint (3.5mm stereo head/RCA is first-class) of multimedia sound equipment, the selection of source of sound also is to join with common/general equipment (CD/VCD/DVD/TV/MP3/MP4 etc.), the position relative fixed of using connects wire rod/commentaries on classics plug wire material inconvenience.
All be to use built-in fixing module (wireless/infrared/bluetooth etc.) in the multimedia sound equipment that uses wireless connect technology, arbitrarily the oneself changes. and will produce the problem that can't mate broadcast with other new bluetooth equipments for short product of this class update cycle of bluetooth.
The interface of the wired earphone/microphone of existing mobile phone all is plug special/socket, and the playback that can't amplify of dialogue sound, promptly can not be used in the videoconference of MPTY.
Summary of the invention
The purpose of this utility model provides a kind of multimedia sound equipment circumscribed bluetooth module interface arrangement, by the external easily bluetooth module of special purpose interface (can select the module of different profiles/different technologies version according to the self-expression actual needs), realize easily and the linking of other bluetooth equipment source of sound (computer/mobile phones etc.).
The realization the technical solution of the utility model is: this circumscribed bluetooth module and interface thereof comprise the circumscribed bluetooth module, wherein said circumscribed bluetooth module includes housing, in described housing, be provided with special-purpose bluetooth sound equipment treatment circuit plate, transmitting-receiving/functional unit the circuit such as DSP control unit that comprise Bluetooth signal also have the plug that is complementary with the bluetooth module socket.The socket of module be design on the body of multimedia sound equipment, it mainly is to be fixed on the body of multimedia sound equipment and relevant being electrically connected is provided.
This technical scheme also comprises:
The plug of described bluetooth module is located on the circuit board in the bluetooth module, and corresponding have the positive VCC/ power supply of power supply ground GND/ bluetooth module signal to export right R/ bluetooth module signal to export left L, totally four ports.The power supply of bluetooth module is provided by the power supply in the multimedia sound equipment.After inserting the socket be complementary with it when plug, bluetooth module can be started working, and signal is exported right R/ signal and exported left L two-port and get final product output audio signal.
Described bluetooth module socket is located on the interior circuit board of multimedia sound equipment, corresponding have the positive VCC/ power supply of power supply ground GND/ bluetooth module signal to import right R/ bluetooth module signal to import left L, signal by the bluetooth module input enters rearmounted IC (TDA2030) amplification after preposition IC (4558) handles, promote sound horn.
Described bluetooth module can receive the bluetooth equipment signal that comprises computer or mobile phone.
The beneficial effect that the utlity model has: the profile that the circumscribed bluetooth module of multimedia sound equipment and interface equipment thereof have small and exquisite exquisiteness, the consumer can be very random be connected with the multimedia stereo set of it and the socket that is complementary with it very easily, rely on its Bluetooth technology to allow it can have more source of sound simultaneously, and 10 meters scope Nei Keheng are being subjected to high-quality vocal music in distance. can realize for the use person that has the bluetooth enabled cell phone that mobile phone music broadcasts/phone is hands-free and answer/TeleConference Bridge/functions such as enhancing sound effect of game. and for use have the computer of Bluetooth function also can reset easily sound source signal that computer exports. during for many people's videoconference demand, can be convenient to use the hands-free device of wired mobile phone is connected on mobile phone/multimedia sound equipment, strong electromagnetic radiation in the time of both can avoiding mobile phone communication can many people be held videoconference again simultaneously
Description of drawings
Fig. 1 is multimedia sound equipment circumscribed bluetooth module of the present utility model and interface structure schematic diagram thereof.
Fig. 2 is the circuit function schematic diagram of Fig. 1.
Fig. 3 be interfacing of the present utility model applicable to the circumscribed wired mobile phone hands-free and interface schematic diagram.
Fig. 4 is circuit theory diagrams of the present utility model.
Among the figure: 1 sound equipment body, 11 bluetooth module sockets, 2 bluetooth modules, 21 bluetooth module plugs, 3 mobile phones, 31 handset earphone seats, 4 2.0 stereo plugs, 5 microphones, 6 3.5 stereo plugs, 7 audio amplifiers, 71 speaker interfaces.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in the figure, multimedia sound equipment circumscribed bluetooth module interface arrangement is made up of bluetooth module 2 and interface (plug JP2/ socket JP1) thereof.Wherein circumscribed bluetooth module 2 includes housing, be provided with bluetooth sound equipment treatment circuit plate in this housing, also be provided with the bluetooth module plug 21 that is complementary with bluetooth module socket 11 on this housing, bluetooth module plug 21 connecting circuit plates wherein, bluetooth module socket 11 is on the body 1 of multimedia sound equipment, and circuit board comprises the transmitting-receiving/DSP control unit circuit of Bluetooth signal.
Bluetooth module 2 receives other bluetooth equipments that connect with it and is transferred to its signal, and output stereo audio signal (R/L), by the connection of plug JP2/ socket JP1, is input to the multimedia audifier and amplifies, and promotes sound horn.
As shown in the figure, hands-free device of wired mobile phone and interface are by pickup transmitter (microphone 5) and be attached thereto the wire rod/plug/bluetooth module socket that connects and form.Link to each other with bluetooth module socket on the earphone socket/multimedia sound equipment of mobile phone respectively by wired connection wire rod and plug special, pickup transmitter (microphone) transfers voice signal to the signal of telecommunication and is input in the mobile phone 3 and is transferred to partner, the other side's voice in the mobile phone are after mobile phone receives, by the R channel R/ L channel L on the bluetooth module socket on earphone and the hands-free wire rod input of the wired mobile phone that joins the with it multimedia sound equipment, through multimedia sound equipment amplification/sounding.
Claims (5)
1. multimedia sound equipment circumscribed bluetooth module interface arrangement, comprise circumscribed bluetooth module and interface, it is characterized in that described circumscribed bluetooth module includes housing, be provided with bluetooth sound equipment treatment circuit plate in this housing, also be provided with the bluetooth module plug that is complementary with the bluetooth module socket on this housing, bluetooth module plug connecting circuit plate wherein, the bluetooth module socket is on the body of multimedia sound equipment, and circuit board comprises the transmitting-receiving/DSP control unit circuit of Bluetooth signal.
2. multimedia sound equipment circumscribed bluetooth module interface arrangement as claimed in claim 1, it is characterized in that described bluetooth module receives other bluetooth equipment that connects with it and is transferred to its signal, and output stereo audio signal, connection by plug, be input to the multimedia audifier and amplify, promote sound horn.
3. multimedia sound equipment circumscribed bluetooth module interface arrangement as claimed in claim 1, it is characterized in that described bluetooth module plug is provided with the positive VCC/ power supply of power supply ground GND/ bluetooth module signal and exports right R/ bluetooth module signal and export left L port, wherein said bluetooth module is by the right R/ of the bluetooth module plug output audio signal that inserts described bluetooth module socket left side L, and the power supply of described bluetooth module is provided by the power supply in the multimedia sound equipment.
4. multimedia sound equipment circumscribed bluetooth module interface arrangement as claimed in claim 1, it is characterized in that described bluetooth module socket is provided with the positive VCC/ power supply of power supply ground GND/ bluetooth module signal and imports right R/ bluetooth module signal and import left L port, the signal of wherein said bluetooth module input enters rearmounted IC TDA2030 and amplifies after preposition IC 4558 handles, promote sound horn.
5. multimedia sound equipment circumscribed bluetooth module interface arrangement as claimed in claim 1 is characterized in that described bluetooth module can receive the bluetooth equipment signal that comprises computer or mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201301763U CN201467445U (en) | 2009-02-13 | 2009-02-13 | External Bluetooth module interface device for multi-media sound system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201301763U CN201467445U (en) | 2009-02-13 | 2009-02-13 | External Bluetooth module interface device for multi-media sound system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201467445U true CN201467445U (en) | 2010-05-12 |
Family
ID=42394791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201301763U Expired - Lifetime CN201467445U (en) | 2009-02-13 | 2009-02-13 | External Bluetooth module interface device for multi-media sound system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201467445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103096219A (en) * | 2011-10-27 | 2013-05-08 | 一象科技股份有限公司 | Wireless device for receiving and forwarding audio signal |
| CN106941544A (en) * | 2017-05-03 | 2017-07-11 | 张德明 | A kind of mobile terminal Bluetooth audio frequency expansion module |
-
2009
- 2009-02-13 CN CN2009201301763U patent/CN201467445U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103096219A (en) * | 2011-10-27 | 2013-05-08 | 一象科技股份有限公司 | Wireless device for receiving and forwarding audio signal |
| CN106941544A (en) * | 2017-05-03 | 2017-07-11 | 张德明 | A kind of mobile terminal Bluetooth audio frequency expansion module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN DEHUIDA AUDIO CO., LTD. Free format text: FORMER OWNER: TANG WENLIANG Effective date: 20101220 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518110 INSIDE DEHUIDA INDUSTRIAL PARK, XIKENG WEST VILLAGE, FUMIN, GUANLAN TOWN, BAOAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518000 1/F, BUILDING D, HEFU INDUSTRIAL PARK, XIKENG NEW VILLAGE, FUMIN, GUANLAN TOWN, BAOAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101220 Address after: 518000 Guangdong city of Shenzhen province Baoan District Guanlan Fumin town Xikeng village and rich industrial park, the first floor of building D Patentee after: Shenzhen dehuida sound equipment Co. Ltd. Address before: 518110 Guangdong city of Shenzhen province Baoan District Guanlan Fumin town Xikeng village get Huida Industrial Park Patentee before: Tang Wenliang |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |