CN201584962U - Vehicle Bluetooth hands-free controller capable of making calls and playing stereo music - Google Patents
Vehicle Bluetooth hands-free controller capable of making calls and playing stereo music Download PDFInfo
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- CN201584962U CN201584962U CN2009202469333U CN200920246933U CN201584962U CN 201584962 U CN201584962 U CN 201584962U CN 2009202469333 U CN2009202469333 U CN 2009202469333U CN 200920246933 U CN200920246933 U CN 200920246933U CN 201584962 U CN201584962 U CN 201584962U
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Abstract
A vehicle Bluetooth hands-free controller capable of making calls and playing stereo music comprises a Bluetooth stereo main module, a left sound channel audio-frequency power amplifier, a right sound channel audio-frequency power amplifier, a signal modulating interface and an echo cancellation and noise suppression module, wherein the Bluetooth stereo main module is connected with a vehicle navigator or radio, the left sound channel audio-frequency power amplifier and the right sound channel audio-frequency power amplifier are connected with a left loudspeaker and a right loudspeaker; the signal modulating interface is connected with a vehicle microphone; the echo cancellation and noise suppression module is used for conducting digitization and PCM encoding to analog voice signals acquired by the microphone; the Bluetooth stereo main module is connected with the left sound channel audio-frequency power amplifier and the right sound channel audio-frequency power amplifier; and the Bluetooth stereo main module is connected with the signal modulating interface through the echo cancellation and noise suppression module. The vehicle Bluetooth hands-free controller has the advantages of making the best of a stereo decoder inside the Bluetooth stereo main module, the vehicle navigator or radio, the left loudspeaker and the right loudspeaker to complete Bluetooth hands-free call and stereo music playing, combines stereo technology with Bluetooth hands-free control technology, has simple structure and low cost, and meets requirements for driving entertainment and comfort of people.
Description
Technical field
The utility model relates to on-vehicle control apparatus, particularly a kind of hands-free controller of blue tooth vehicular of calling and playing stereo music.
Background technology
Along with the fast sale of market for automobiles and the people concern to the driving safety problem, the automobile Bluetooth Handless system more and more is subjected to liking of consumer.Common automobile Bluetooth Handless system mainly is to design for the mobile phone communication that solves in the driving process at present.Button and the touch-screen etc. of user by operation vehicle-mounted radio or navigation finishes that pairing connection, caller identification, incoming call are answered, Mike is quiet, mode switch, conversation are hung up, function is expected someone's call in telephoometry.Incoming call prompting sound and the other side's voice only by the loudspeaker plays of driver left side car door, only provide general mono effects.Along with people improve constantly demand to driving recreational and comfortableness, to the technical market more new problem has been proposed, for example: play stereo music in the mobile phone, call by bluetooth etc.The product of realizing these functions at the hands-free controller of blue tooth vehicular of former car configuration does not simultaneously also occur at present.
The utility model content
The purpose of this utility model is to overcome the defective that conventional art exists, and a kind of hands-free controller of the blue tooth vehicular of calling and play stereo music simple in structure, with low cost is provided.
For achieving the above object, the hands-free controller of the blue tooth vehicular of calling and play stereo music that the utility model provides, comprise Bluetooth stereo primary module that links to each other with automatic navigator or broadcast receiver and the L channel audio-frequency power amplifier that links to each other with left speaker, the Bluetooth stereo primary module links to each other with the L channel audio-frequency power amplifier, also comprise the right audio channel power amplifier that links to each other with right loud speaker, signal modulation interface that links to each other with vehicle-mounted microphone and the echo elimination noise suppression module that is used for the analog voice signal of microphone collection is carried out digitlization and pcm encoder, the right audio channel power amplifier links to each other with the Bluetooth stereo primary module, and described Bluetooth stereo primary module is eliminated noise suppression module through echo and linked to each other with described signal modulation interface.
The hands-free controller of blue tooth vehicular of stereo music can be called and play to the utility model, and wherein said Bluetooth stereo primary module comprises:
Bluetooth baseband communication DSP is used for the blue teeth wireless transfer of data with user mobile phone;
Stereodecoder, the stereo music data decode that is used for user mobile phone is the analog signal of left and right sound channels;
Application layer MCU is used for bluetooth handsfree control and stereo music and plays; With
The RF antenna;
Wherein, described bluetooth baseband communication DSP links to each other with the RF antenna, and described stereodecoder links to each other respectively with the left and right sound channels audio-frequency power amplifier.
The hands-free controller of blue tooth vehicular of stereo music can be called and play to the utility model, and it is the circuit of single-chip integrated formation of BC05 that wherein said Bluetooth stereo primary module adopts model.
The hands-free controller of blue tooth vehicular of stereo music can be called and play to the utility model, and wherein said echo is eliminated the circuit of single-chip integrated formation that noise suppression module employing model is FM1182.
The advantage that the hands-free controller of blue tooth vehicular of stereo music could be called and play to the utility model is: owing to be provided with Bluetooth stereo primary module U1, echo is eliminated noise suppression module U2, L channel audio-frequency power amplifier U4 and right audio channel power amplifier U5 and a signal modulation interface U3, made full use of the stereodecoder of Bluetooth stereo primary module U1 inside, automatic navigator or broadcast receiver and a left side, right loud speaker, finishing bluetooth handsfree conversation and stereo music plays, sterophonic technique and bluetooth handsfree control technology are combined, it is simple in structure, with low cost, satisfied people to driving recreational and market demand comfortableness.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, so that the purpose of this utility model, feature and advantage are had deep understanding.
Description of drawings
Fig. 1 can call and play the block diagram of the hands-free controller of blue tooth vehicular of stereo music for the utility model;
Fig. 2 can call and play the circuit diagram of the hands-free controller of blue tooth vehicular of stereo music for the utility model.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
With reference to Fig. 1, the hands-free controller of blue tooth vehicular of stereo music can be called and play to the utility model, comprises that Bluetooth stereo primary module U1, echo are eliminated noise suppression module U2, two audio-frequency power amplifiers are L channel audio-frequency power amplifier U4 and a right audio channel power amplifier U5 and a signal modulation interface U3.
Bluetooth stereo primary module U1 links to each other respectively with right audio channel power amplifier U5 with L channel audio-frequency power amplifier U4, L channel audio-frequency power amplifier U4 links to each other with left speaker, right audio channel power amplifier U5 links to each other with right loud speaker, and signal modulation interface U3 links to each other with vehicle-mounted microphone.
Bluetooth stereo primary module U1 links to each other with automatic navigator or broadcast receiver by serial ports.
Echo is eliminated noise suppression module U2 and is used for the analog voice signal of microphone collection is carried out digitlization and pcm encoder, links to each other respectively with signal modulation interface U3 with Bluetooth stereo primary module U1.
Wherein: it is the circuit of single-chip integrated formation of BC05 that Bluetooth stereo primary module U1 adopts model.Echo is eliminated the circuit of single-chip integrated formation that noise suppression module U2 employing model is FM1182.
With reference to Fig. 2, Bluetooth stereo primary module U1 comprises bluetooth baseband communication DSP, stereodecoder and application layer MCU three parts.Bluetooth baseband communication DSP links to each other with the RF antenna, is used for setting up bluetooth with user mobile phone and is connected, and carries out wireless data transmission.Stereodecoder changes the stereo music data decode that user mobile phone sends the analog signal of left and right sound channels into.Application layer MCU realizes bluetooth handsfree control and stereo music playing function, links to each other with automatic navigator or broadcast receiver by the UART holding wire, and the user controls the car handsfree controller by automatic navigator or wireless button and touch-screen.
Echo is eliminated noise suppression module U2, and under the hand-free call pattern, the voice data of user and the other side's conversation is that the FM1182 chip carries out the echo elimination and noise suppressed is handled through U2, reaches perfect communication effect.The FM1182 chip carries out digitlization and pcm encoder with the analog voice signal of microphone collection, is that the bluetooth baseband of BC05 chip and RF antenna transmission are given the other side by Bluetooth stereo primary module U1.The other side's voice data sends the BC05 chip to by bluetooth baseband communication DSP, and the BC05 chip sends it to the FM1182 chip to carry out changing analog voice signal into after the PCM decoding.
Signal modulation interface U3, mainly the voice signal to vehicle-mounted microphone collection carries out level conversion and filtering under the hand-free call pattern.Be connected to vehicle-mounted microphone by MIC+ and MIC-holding wire, finish the audio collection function.Audio-source is user's a conversation sound.
Can call and play among the embodiment of the hands-free controller of blue tooth vehicular of stereo music at the utility model, audio-frequency power amplifier U4, U5 adopt the TPA6211 chip.U4 is connected to left speaker by SPK1+ and SPK1-holding wire, finishes the voice playing function under the hand-free call pattern.The other side's voice signal and incoming call prompting sound that audio-source provides from U2.Audio-frequency power amplifier U4 finishes the voice playing of stereo music L channel under music playing mode.U5 is connected to right loud speaker by SPK2+ and SPK2-holding wire, finishes the voice playing of stereo music R channel under music playing mode.
The utility model can be play the hands-free controller of blue tooth vehicular of stereo music, two kinds of mode of operations is arranged: hand-free call pattern and music playing mode.Which kind of mode of operation no matter, the user needs earlier bluetooth cellular phone and the utility model can be called and carries out Bluetooth pairing with the hands-free controller of the blue tooth vehicular of playing stereo music and be connected with bluetooth.
Under the hand-free call pattern, user's one's voice in speech is converted into analog electrical signal by vehicle-mounted microphone collection, process signal debugging interface U3 and echo elimination noise suppression module U2 change the PCM signal into and send to bluetooth primary module U1, and bluetooth primary module U1 sends to user's mobile phone with the blue teeth wireless signal by antenna.End user's mobile phone sends to signal on the mobile phone of partner by mobile communications network.Same, the mobile phone of partner at first sends to its conversation sound on the user mobile phone through mobile communications network, user mobile phone sends to bluetooth primary module U1 by the blue teeth wireless signal with the other side's sound of conversing, bluetooth primary module U1 sends to echo with voice data with the PCM digital signal form and eliminates noise suppression module, echo is eliminated noise suppression module it is reduced to analog voice signal, plays back by audio-frequency power amplifier U4 and left speaker at last.
Under music playing mode, the stereo music data of user mobile phone send the BC05 chip to by bluetooth baseband communication DSP, the stereodecoder of BC05 chip internal is decoded to data, and producing the simulated audio signal of left and right sound channels, the loudspeaker plays by left and right audio-frequency power amplifier U4, U5 and left and right sound channels goes out stereo music.Echo elimination this moment noise suppression module U2 does not work.
Can call and play among the embodiment of the hands-free controller of blue tooth vehicular of stereo music at the utility model, make full use of the stereodecoder of BC05 chip internal, finished bluetooth handsfree conversation and stereo music and play, sterophonic technique and bluetooth handsfree control technology have been combined.
According to the needs that the automobile hands-free communication systems constantly develops, the hands-free controller of blue tooth vehicular that stereo music could be called and play to the utility model can adapt to people better to driving recreational and market demand comfortableness.
Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and scope are limited; do not breaking away under the utility model design prerequisite; common engineers and technicians make the technical solution of the utility model in this area various modification and improvement; all should fall into protection range of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (4)
1. the hands-free controller of blue tooth vehicular that can call and play stereo music, comprise Bluetooth stereo primary module (U1) that links to each other with automatic navigator or broadcast receiver and the L channel audio-frequency power amplifier (U4) that links to each other with left speaker, Bluetooth stereo primary module (U1) links to each other with L channel audio-frequency power amplifier (U4), it is characterized in that: also comprise: the right audio channel power amplifier (U5) that links to each other with right loud speaker, the signal modulation interface (U3) that links to each other with vehicle-mounted microphone and be used for the echo that analog voice signal with the microphone collection carries out digitlization and pcm encoder and eliminate noise suppression module (U2), right audio channel power amplifier (U5) links to each other with Bluetooth stereo primary module (U1), and described Bluetooth stereo primary module (U1) is eliminated noise suppression module (U2) through echo and linked to each other with described signal modulation interface (U3).
2. according to the hands-free controller of the blue tooth vehicular of calling and play stereo music of claim 1, it is characterized in that: wherein said Bluetooth stereo primary module (U1) comprising:
Bluetooth baseband communication DSP is used for the blue teeth wireless transfer of data with user mobile phone;
Stereodecoder, the stereo music data decode that is used for user mobile phone is the analog signal of left and right sound channels;
Application layer MCU is used for bluetooth handsfree control and stereo music and plays; With
The RF antenna;
Wherein, described bluetooth baseband communication DSP links to each other with the RF antenna, and described stereodecoder links to each other respectively with left and right sound channels audio-frequency power amplifier (U4, U5).
3. the hands-free controller of blue tooth vehicular of calling and play stereo music according to claim 1 and 2 is characterized in that: it is the circuit of single-chip integrated formation of BC05 that wherein said Bluetooth stereo primary module (U1) adopts model.
4. the hands-free controller of blue tooth vehicular of calling and play stereo music according to claim 3 is characterized in that: wherein said echo is eliminated the circuit of single-chip integrated formation that noise suppression module (U2) employing model is FM1182.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202469333U CN201584962U (en) | 2009-11-10 | 2009-11-10 | Vehicle Bluetooth hands-free controller capable of making calls and playing stereo music |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202469333U CN201584962U (en) | 2009-11-10 | 2009-11-10 | Vehicle Bluetooth hands-free controller capable of making calls and playing stereo music |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584962U true CN201584962U (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202469333U Expired - Lifetime CN201584962U (en) | 2009-11-10 | 2009-11-10 | Vehicle Bluetooth hands-free controller capable of making calls and playing stereo music |
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| CN (1) | CN201584962U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307271A (en) * | 2011-05-05 | 2012-01-04 | 上海博超科技有限公司 | Network digital integrated talkback system and transmission method thereof |
| CN103152702A (en) * | 2011-10-18 | 2013-06-12 | 通用汽车环球科技运作有限责任公司 | Speech-based user interface for a mobile device |
| CN107276615A (en) * | 2017-07-21 | 2017-10-20 | 奇瑞汽车股份有限公司 | A kind of vehicle-mounted radio and its control method with Bluetooth function |
| CN108063857A (en) * | 2016-11-07 | 2018-05-22 | 法乐第(北京)网络科技有限公司 | Transmission method and device, the vehicle of voice data |
| CN108270461A (en) * | 2018-02-08 | 2018-07-10 | 福建省万华电子科技有限公司 | It is a kind of to position the nurse intercom that can receive broadcasting station |
| CN113271564A (en) * | 2021-04-27 | 2021-08-17 | 斑马网络技术有限公司 | Method for paralleling telephone and music based on vehicle machine Bluetooth module |
-
2009
- 2009-11-10 CN CN2009202469333U patent/CN201584962U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307271A (en) * | 2011-05-05 | 2012-01-04 | 上海博超科技有限公司 | Network digital integrated talkback system and transmission method thereof |
| CN103152702A (en) * | 2011-10-18 | 2013-06-12 | 通用汽车环球科技运作有限责任公司 | Speech-based user interface for a mobile device |
| US9183835B2 (en) | 2011-10-18 | 2015-11-10 | GM Global Technology Operations LLC | Speech-based user interface for a mobile device |
| CN103152702B (en) * | 2011-10-18 | 2017-04-12 | 通用汽车环球科技运作有限责任公司 | Speech-based user interface for a mobile device |
| CN108063857A (en) * | 2016-11-07 | 2018-05-22 | 法乐第(北京)网络科技有限公司 | Transmission method and device, the vehicle of voice data |
| CN107276615A (en) * | 2017-07-21 | 2017-10-20 | 奇瑞汽车股份有限公司 | A kind of vehicle-mounted radio and its control method with Bluetooth function |
| CN108270461A (en) * | 2018-02-08 | 2018-07-10 | 福建省万华电子科技有限公司 | It is a kind of to position the nurse intercom that can receive broadcasting station |
| CN108270461B (en) * | 2018-02-08 | 2024-04-02 | 福建省万华电子科技有限公司 | Nursing interphone capable of positioning and receiving broadcasting station |
| CN113271564A (en) * | 2021-04-27 | 2021-08-17 | 斑马网络技术有限公司 | Method for paralleling telephone and music based on vehicle machine Bluetooth module |
| CN113271564B (en) * | 2021-04-27 | 2023-02-28 | 斑马网络技术有限公司 | Method for paralleling telephone and music based on vehicle machine Bluetooth module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Detianquan Electrical and Mechanical Equipment Co.,Ltd. Assignor: Bai Yunfei Contract record no.: 2012990000347 Denomination of utility model: Vehicle Bluetooth hands-free controller capable of making calls and playing stereo music Granted publication date: 20100915 License type: Exclusive License Record date: 20120524 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Beijing Detianquan Electrical and Mechanical Equipment Co.,Ltd. Assignor: Bai Yunfei Contract record no.: 2012990000347 Date of cancellation: 20130916 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100915 |
|
| CX01 | Expiry of patent term |