CN2819656Y - Vehicle separated bluetooth telecommunication device - Google Patents
Vehicle separated bluetooth telecommunication device Download PDFInfo
- Publication number
- CN2819656Y CN2819656Y CN200520010027.5U CN200520010027U CN2819656Y CN 2819656 Y CN2819656 Y CN 2819656Y CN 200520010027 U CN200520010027 U CN 200520010027U CN 2819656 Y CN2819656 Y CN 2819656Y
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- vehicle
- interface
- bluetooth
- power amplifier
- audio
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- 238000013461 design Methods 0.000 abstract description 5
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Abstract
The utility model relates to a vehicle separated Bluetooth communication device which is composed of a control panel, a Bluetooth communication signal generating /receiving system and a power amplifier switching system. An MIC used for receiving speech signals in a vehicle and transferring the speech signals to a Bluetooth host machine is arranged on the control panel. The Bluetooth communication signal generating/receiving system realizes the function of vehicle hand free communication, conversation audio signals are transferred to the power amplifier switching system for processing and mute control is carried out through a power connecting line. The power amplifier switching system realizes the amplification and the output of audio signals of vehicle hand free conversation, the audio signals of vehicle hand free conversation and audio signals of a sound system of an original vehicle are output to loudspeaker lines for switching and the sounds of an automatic output sound system of the original vehicle and the sounds of telephone speeches are played. The utility model realizes the complete bidirectional hand freedom of a vehicle telephone, and an acoustic horn of a sound system in a vehicle is used as a receiving earpiece. The utility model uses the two way four sound channel output to speech signals so that good conversation effects are obtained. The structure of a highly integrated suspended pasting sheet and the human-based design add multiple perfect functions to the utility model, and a safe and comfortable conversation environment is guaranteed in a vehicle.
Description
Technical field
The utility model relates to vehicle communications device, is specifically related to the split type communication system of on-vehicle Bluetooth, belongs to the application of Bluetooth wireless technology.
Background technology
Bluetooth (Bluetooth) technology is the short distance radio communication standards of being developed jointly by mobile operator and mobile computing company, and design is used in sets up a kind of small-sized, economic, short-range Radio Link between portable computer, mobile phone and other mobile devices.The frequency range of regulation and stipulation work is public ISM band, and peak data rate can reach 1Mbps.
In the prior art, Bluetooth technology is applied in vehicle mounted call device aspect and reaches its maturity, as Motorola's " car handsfree communication system ", the HCB of Sony-Ericson Bluetooth vehicle mounted hand-free device etc.Though these products rely on the Bluetooth technology standard,, realized two-way hand-free call function by using automobile audio as the phone receiver.But the power amplifier and the main frame of car phone are one at present, and voice output is less, and caloric value is big, and meeting interference communications quality is to the control transformation inconvenience of former car sound equipment and voice; And be generally monophony output.
The content of utility model
At the prior art above shortcomings, the purpose of this utility model is to provide a kind of main frame to separate with power amplifier, and communication effect is better, and is the split type communication system of on-vehicle Bluetooth of quadraphony output.
For achieving the above object, the utility model adopts following technical scheme: the split type communication system of on-vehicle Bluetooth is made up of control panel, bluetooth communication signal generation/receiving system and power amplifier switched system three parts;
MIC is set on the control panel, links to each other, various control commands are passed to bluetooth module handle, be used to receive the interior voice signal of car and pass to bluetooth host with the control line interface; Also link to each other, simulated audio signal is passed to coding decoder CODEC handle with coding decoder CODEC;
Bluetooth communication signal generation/receiving system is made up of bluetooth module, coding decoder CODEC, antenna, control line interface, audio signal output interface and electric power connection line interface six parts; Antenna links to each other with the radio frequency interface of bluetooth module by radio frequency line, and each port of bluetooth module links to each other with control line interface, electric power connection line interface and coding decoder CODEC respectively; Coding decoder CODEC also links to each other with the audio signal output interface, and the audio signal output interface passes to the audio input interface of power amplifier switch by the audio signal output line; Main realization car handsfree communication function, and the various control signals of processing controls panel, the audio signal of will conversing passes to the power amplifier switch and handles, and carries out quiet control by electric power connection line;
The power amplifier switch is made up of frequency switch circuit, power amplifier processor, audio signal dual input interface, CD quadraphony audio input interface, electric power connection line interface and quadraphony loudspeaker audio output interface six parts; Frequency switch circuit links to each other with power amplifier processor, CD quadraphony audio input interface, electric power connection line interface and quadraphony loudspeaker audio output interface; The power amplifier processor also links to each other with audio input interface; Former car sound equipment output connects CD quadraphony audio input interface; Quadraphony loudspeaker audio output interface connects former car sound equipment.Realize car handsfree conversation audio signal amplify output and and former car sound equipment audio signal output to the loudspeaker circuit between, switch, former car sound equipment is exported automatically the sound broadcast of sound equipment and call voice.
Compared to existing technology, the utlity model has following advantage:
1, the utility model is on the hands-free basis of traditional car phone, in conjunction with and applying Bluetooth in the vehicle mounted communication field, bluetooth communication signal generation/receiving system and control panel are realized the car handsfree function, switch by the audio signal between power amplifier switch realization car handsfree conversation and the former car sound equipment, add the voice audio signals processing and former car sound equipment is carried out voice band line control, reaching automatic circuit switches, and the audio signal of amplifying bluetooth host, realize that the car phone full bi-directional is hands-free, use the interior Music centre loudspeaker of automobile as being talked about receiver.
2, control panel deft design can place in the car convenience arbitrarily, mainly realizes various controlled function, comprises answering, refusing to listen, hang up the telephone and In Call adjusting etc.
3, adopt the output of the two-way voice signal quadraphony, make communication effect better.
4, adopt split-type design, hidden installation, do not change former car circuit, also do not influence any security technical capability of former car.
5, outstanding assembling structure of high integrated paster and more humane design have increased many more perfect functions, have guaranteed conversation environment in safe, the comfortable car.
Description of drawings
Fig. 1 has provided the structural representation of an indefiniteness embodiment of the utility model.
Among the figure: 10-control panel, 11-control line interface, 12-antenna, 13-bluetooth module, 14-CODEC, 15-audio signal output interface (two-way), 16-electric power connection line interface (quiet control), 17-CD quadraphony audio input interface, 18-electric power connection line interface (quiet control), 19-frequency switch circuit, 20-power amplifier processor, 21-quadraphony loudspeaker audio output interface, 22-audio input interface (two-way).
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.In explaining process of the present utility model, omit the detailed description of known function and structure.
As shown in Figure 1: this accompanying drawing is the hardware configuration schematic diagram of embodiment.
Control panel 10 is manual control parts of this system, links to each other with control line interface 11, various control commands is passed to bluetooth module 13 handle, and realizes answering, refuse to listen, hang up the telephone and the In Call regulatory function.MIC is built on the control panel 10, is used to pick up audio signal, links to each other with coding decoder CODEC 14, simulated audio signal is passed to coding decoder CODEC 14 handle.
Bluetooth module 13 is nucleus modules of bluetooth communication signal generation/receiving system, link to each other with antenna 12, coding decoder CODEC14 is given in the communication of realization and bluetooth cellular phone, and the mutual conversion of realization mobile phone signal and Bluetooth signal, the bluetooth digital signal transfers that will handle simultaneously coding; Link to each other with control line interface 11, realize communicating by letter with control panel 10; Link to each other with electric power connection line interface 16, accept extraneous power supply, and realize that bluetooth communication signal generations/receiving system controls power amplifier and reset under holding state by electric power connection line, thus the reduction power consumption; Also link to each other, various signals are passed to coding decoder CODEC14 coding, and receive audio signal, send passing to bluetooth cellular phone after these signal processing by the MIC transmission by coding decoder CODEC14 decoding with coding decoder CODEC14.This part can adopt the BlueCore02-Flash module of CSR company to realize.
Antenna 12 links to each other by the radio frequency interface of radio frequency line with bluetooth module 13, mobile phone signal is passed to bluetooth module 13 handle, and the signal after bluetooth module 13 processing is passed to bluetooth cellular phone by antenna 10.This antenna can be selected AT 9520 products of Advanced Ceramic X company for use.
Coding decoder CODEC14 mainly realizes the conversion of various signals, links to each other with MIC, receives by the MIC picked up audio signals, and these audio-frequency signal codings processing back decodings are passed to bluetooth module 13; Link to each other with bluetooth module 13, receive the bluetooth digital signal that bluetooth module 13 transmits; Also link to each other, decoded simulated audio signal is passed to audio signal output interface (two-way) 15, pass to the audio input interface (two-way) 22 of power amplifier switch by the audio signal output line with audio signal output interface (two-way) 15; Simultaneously, coding decoder CODEC14 also realizes the echo cancellation function of audio signal.This part can adopt the FM1073 type product of Fortemedia company to realize.
Power amplifier processor 20 links to each other with frequency switch circuit 19 with audio input interface (two-way) 22, and main the realization amplified the simulated audio signal that audio input interface (two-way) 22 is transmitted, and the audio signal of amplifying is passed to frequency switch circuit 19.This part can adopt the 8210AH type product of Toshiba and the NE5532 type product of Texas Instrument to realize.
The frequency switch circuit 19 main mutual switchings that realize between former car sound equipment sound line and the bluetooth communication sound line.Link to each other the Bluetooth audio frequency of plugging into output and the output of former car sound equipment audio frequency with CD quadraphony audio input interface 17 with power amplifier processor 20.When Bluetooth system is worked, bluetooth module outputs a control signal to the quiet line on the electric power connection line interface (quiet control) 16, be transferred to quiet line on the electric power connection line interface (quiet control) 18 by the quiet line on the electric power connection line interface (quiet control) 16, frequency switch circuit 19 is controlled, realize that circuit switches output audio to quadraphony loudspeaker audio output interface 21, and be transferred to former car sound equipment and be subjected to the words pronunciation.Behind the end of conversation, bluetooth module 13 cuts off control signal automatically, and frequency switch circuit 19 automatically resets, and former car acoustic circuit recovers output former car sound equipment audio frequency to loudspeaker and pronounces, and realizes the conversion between the output of communication and sound equipment thus.This part adopts the SRC-12VDC-SL type product of Song Le company and the TA8210 of Toshiba to realize.
Former car main system of audio links to each other with the CD quadraphony audio input interface 17 of power amplifier switch, by CD quadraphony audio input interface 17 audio signal is passed to frequency switch circuit 19, and the break-make of handling its outlet line is to loudspeaker.Former car sound equipment links to each other with the quadraphony audio output interface 21 of power amplifier switch, realizes the playing function of various voice signals.
Two systems of above-mentioned main frame and power amplifier separate, and adopt holding wire to connect in automobile.
The utility model is at the deficiency of traditional product, realize at on-vehicle hands-free device on the basis of wireless communication, directly use former car sound equipment as the conversation receiver, in conjunction with and applying Bluetooth in the vehicle mounted communication field, add the voice audio signals processing and former car sound equipment is carried out voice band line control, reach automatic circuit and switch, receiver is talked about in the Music centre loudspeaker conduct in the use automobile, realize the output of the two-way voice signal quadraphony, make communication effect better.
Claims (3)
1, the split type communication system of on-vehicle Bluetooth is characterized in that being made up of control panel, bluetooth communication signal generation/receiving system and power amplifier switched system three parts;
Wherein, MIC is set on the control panel, and links to each other, various control commands are passed to bluetooth module (13) handle, be used to receive the interior voice signal of car and pass to bluetooth host with control line interface (11); Also link to each other, simulated audio signal is passed to coding decoder CODEC (14) handle with coding decoder CODEC (14);
Bluetooth communication signal generation/receiving system is made up of bluetooth module (13), CODEC (14), antenna (12), control line interface (11), audio signal output interface (15) and electric power connection line interface (16) six parts; Antenna (12) links to each other by the radio frequency interface of radio frequency line with bluetooth module (13), and each port of bluetooth module (13) links to each other with control line interface (11), electric power connection line interface (16) and coding decoder CODEC (14) respectively; Coding decoder CODEC (14) also links to each other with audio signal output interface (15), and audio signal output interface (15) passes to the audio input interface (22) of power amplifier switch by the audio signal output line;
The power amplifier switched system is made up of frequency switch circuit (19), power amplifier processor (20), audio signal dual input interface (22), CD quadraphony audio input interface (17), electric power connection line interface (18) and quadraphony loudspeaker audio output interface (21) six parts; Frequency switch circuit (19) links to each other with power amplifier processor (20), CD quadraphony audio input interface (17), electric power connection line interface (18) and quadraphony loudspeaker audio output interface (21); Power amplifier processor (20) also links to each other with audio input interface (22); Former car sound equipment output connects CD quadraphony audio input interface (17); Quadraphony loudspeaker audio output interface (21) connects former car sound equipment.
2, the split type communication system of on-vehicle Bluetooth according to claim 1 is characterized in that described bluetooth communication signal generation/receiving system adopts the BlueCore02-Flash series module of CSR company.
3, the split type communication system of on-vehicle Bluetooth according to claim 1 is characterized in that described antenna (12) can select AT 9520 series or the similar products of Advanced Ceramic X company for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520010027.5U CN2819656Y (en) | 2005-09-28 | 2005-09-28 | Vehicle separated bluetooth telecommunication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520010027.5U CN2819656Y (en) | 2005-09-28 | 2005-09-28 | Vehicle separated bluetooth telecommunication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2819656Y true CN2819656Y (en) | 2006-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200520010027.5U Expired - Fee Related CN2819656Y (en) | 2005-09-28 | 2005-09-28 | Vehicle separated bluetooth telecommunication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2819656Y (en) |
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2005
- 2005-09-28 CN CN200520010027.5U patent/CN2819656Y/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060920 Termination date: 20120928 |