CN204948067U - A kind of vehicle-mounted many bluetooths interwork unit - Google Patents
A kind of vehicle-mounted many bluetooths interwork unit Download PDFInfo
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- CN204948067U CN204948067U CN201520709073.8U CN201520709073U CN204948067U CN 204948067 U CN204948067 U CN 204948067U CN 201520709073 U CN201520709073 U CN 201520709073U CN 204948067 U CN204948067 U CN 204948067U
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Abstract
The utility model belongs to mobile unit technical field, particularly relates to a kind of vehicle-mounted many bluetooths interwork unit.In the utility model embodiment, vehicle-mounted many bluetooths interwork unit adopts two bluetooth unit to carry out alternately with mobile phone and vehicle-mounted Bluetooth sound equipment respectively, the bridge joint transmission of voice call and hi-fi music is realized between mobile phone and vehicle-mounted Bluetooth sound equipment, by carrying this vehicle-mounted many bluetooths interwork unit, the dependence that user plays mobile phone communication and vehicle-mounted Bluetooth sound equipment can be met, and by the process of encoding unit, effectively can suppress the conversation noise under vehicle environment and echo, effectively improve the quality that phonetic entry exports.
Description
Technical field
The utility model belongs to mobile unit technical field, particularly relates to a kind of vehicle-mounted many bluetooths interwork unit.
Background technology
Now, automobile can arrange a vehicle-mounted Bluetooth sound equipment usually, be used for playing the audio file on driver mobile phone, or realize the hand-free call function of driver mobile phone.
This vehicle-mounted Bluetooth sound equipment realizes man-to-man data interaction by the bluetooth module of its bluetooth module and mobile phone, and such interactive mode is more single, just cannot realize playing music and hand-free call function once vehicle-mounted Bluetooth sound equipment breaks down.
In addition, due to vehicle environment more complicated, often there is engine noise, air-conditioning sound, run at high speed noise and the echoes such as tire noise, when therefore adopting vehicle-mounted Bluetooth sound equipment to realize handfree speech of mobile phone function, the speech quality of driver can be affected.
Utility model content
The object of the utility model embodiment is to provide a kind of vehicle-mounted many bluetooths interwork unit, is intended to solve present vehicle-mounted Bluetooth sound equipment and mobile phone interaction mode is single and the ropy problem of hand-free call.
The utility model embodiment is achieved in that a kind of vehicle-mounted many bluetooths interwork unit, and described vehicle-mounted many bluetooths interwork unit comprises:
Call voice signal and mutual the first bluetooth unit of audio file is carried out with mobile phone;
Call voice signal and mutual the second bluetooth unit of audio file is carried out with vehicle-mounted Bluetooth sound equipment;
Be connected with described first bluetooth unit and the second bluetooth unit respectively, the call voice signal transmitted and audio file carried out to the encoding unit of coding&decoding between described first bluetooth unit and the second bluetooth unit; And
The control unit be connected with described first bluetooth unit, the second bluetooth unit and encoding unit respectively.
In said structure, described first bluetooth unit adopts the first Bluetooth chip U1, the audio signal end SPK of described first Bluetooth chip U1 connects described encoding unit, the antenna end ANT of described first Bluetooth chip U1 connects antenna, microphone anode P+ and the microphone negative terminal N-of described first Bluetooth chip U1 connect microphone respectively, and universal asynchronous receiving-transmitting transmission ends UART and the Bluetooth signal end BT of described first Bluetooth chip U1 connect described control unit respectively.
In said structure, described second bluetooth unit adopts the second Bluetooth chip U2, the pulse code modulation end PCM of described second Bluetooth chip U2 connects described encoding unit, the antenna end ANT of described second Bluetooth chip U2 connects antenna, and universal asynchronous receiving-transmitting transmission ends UART and the Bluetooth signal end BT of described second Bluetooth chip U2 connect described control unit respectively.
In said structure, described encoding unit adopts coder U3, loudspeaker anode P+ and the loudspeaker negative terminal N-of described coder U3 connect loudspeaker respectively, the audio signal end SPK of described coder U3 meets the audio signal end SPK of described first Bluetooth chip U1, the pulse code modulation end PCM of described coder U3 meets the pulse code modulation end PCM of described second Bluetooth chip U2, and the built-in audio end I2S of described coder U3 connects described control unit.
In said structure, described control unit adopts control chip U4, the built-in audio end I2S of described control chip U4 meets the built-in audio end I2S of described coder U3, the first universal asynchronous receiving-transmitting transmission ends UART1 of described control chip U4 and the first Bluetooth signal end BT1 meets universal asynchronous receiving-transmitting transmission ends UART and the Bluetooth signal end BT of described first Bluetooth chip U1 respectively, the second universal asynchronous receiving-transmitting transmission ends UART2 of described control chip U4 and the second Bluetooth signal end BT2 meets universal asynchronous receiving-transmitting transmission ends UART and the Bluetooth signal end BT of described second Bluetooth chip U2 respectively.
In the utility model embodiment, vehicle-mounted many bluetooths interwork unit adopts two bluetooth unit to carry out alternately with mobile phone and vehicle-mounted Bluetooth sound equipment respectively, the bridge joint transmission of voice call and hi-fi music is realized between mobile phone and vehicle-mounted Bluetooth sound equipment, by carrying this vehicle-mounted many bluetooths interwork unit, the dependence that user plays mobile phone communication and vehicle-mounted Bluetooth sound equipment can be met, and by the process of encoding unit, effectively can suppress the conversation noise under vehicle environment and echo, effectively improve the quality that phonetic entry exports.
Accompanying drawing explanation
Fig. 1 is the function structure chart of vehicle-mounted many bluetooths interwork unit that the utility model embodiment provides;
Fig. 2 is the circuit structure diagram of vehicle-mounted many bluetooths interwork unit that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the modular structure of vehicle-mounted many bluetooths interwork unit that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model embodiment.
A kind of vehicle-mounted many bluetooths interwork unit, described vehicle-mounted many bluetooths interwork unit comprises:
Call voice signal and mutual the first bluetooth unit 1 of audio file is carried out with mobile phone;
Call voice signal and mutual the second bluetooth unit 2 of audio file is carried out with vehicle-mounted Bluetooth sound equipment;
Be connected with described first bluetooth unit 1 and the second bluetooth unit 2 respectively, the call voice signal transmitted and audio file carried out to the encoding unit 3 of coding&decoding between described first bluetooth unit 1 and the second bluetooth unit 2; And
The control unit 4 be connected with described first bluetooth unit 1, second bluetooth unit 2 and encoding unit 3 respectively.
Fig. 2 shows the circuit structure of vehicle-mounted many bluetooths interwork unit that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model embodiment.
As the utility model one embodiment, described first bluetooth unit 1 adopts the first Bluetooth chip U1, the audio signal end SPK of described first Bluetooth chip U1 connects described encoding unit 3, the antenna end ANT of described first Bluetooth chip U1 connects antenna, microphone anode P+ and the microphone negative terminal N-of described first Bluetooth chip U1 meet microphone Mic respectively, and universal asynchronous receiving-transmitting transmission ends UART and the Bluetooth signal end BT of described first Bluetooth chip U1 connect described control unit 4 respectively.
As the utility model one embodiment, described second bluetooth unit 2 adopts the second Bluetooth chip U2, the pulse code modulation end PCM of described second Bluetooth chip U2 connects described encoding unit 3, the antenna end ANT of described second Bluetooth chip U2 connects antenna, and universal asynchronous receiving-transmitting transmission ends UART and the Bluetooth signal end BT of described second Bluetooth chip U2 connect described control unit 4 respectively.
As the utility model one embodiment, described encoding unit 3 adopts coder U3, loudspeaker anode P+ and the loudspeaker negative terminal N-of described coder U3 meet loudspeaker SPK respectively, the audio signal end SPK of described coder U3 meets the audio signal end SPK of described first Bluetooth chip U1, the pulse code modulation end PCM of described coder U3 meets the pulse code modulation end PCM of described second Bluetooth chip U2, and the built-in audio end I2S of described coder U3 connects described control unit 4.
As the utility model one embodiment, described control unit 4 adopts control chip U4, the built-in audio end I2S of described control chip U4 meets the built-in audio end I2S of described coder U3, the first universal asynchronous receiving-transmitting transmission ends UART1 of described control chip U4 and the first Bluetooth signal end BT1 meets universal asynchronous receiving-transmitting transmission ends UART and the Bluetooth signal end BT of described first Bluetooth chip U1 respectively, the second universal asynchronous receiving-transmitting transmission ends UART2 of described control chip U4 and the second Bluetooth signal end BT2 meets universal asynchronous receiving-transmitting transmission ends UART and the Bluetooth signal end BT of described second Bluetooth chip U2 respectively.
The operation principle of this vehicle-mounted many bluetooths interwork unit is:
A. pattern 1 (HFP):
When needing to realize the connection of mobile phone and vehicle-mounted Bluetooth sound equipment by two bluetooth bridging functionalitys of this equipment, Bluetooth of mobile phone is connected with this equipment first Bluetooth chip U1, first Bluetooth chip U1 is connected with audio signal end SPK with coder U3, coder U3 is connected (Analog-digital Converter and audio codec) by built-in audio end I2S with control chip U4, control chip U4 connects with the second universal asynchronous receiving-transmitting transmission ends UART2 and the second Bluetooth chip U2, be connected with vehicle-mounted Bluetooth sound equipment by the second Bluetooth chip U2, vehicle-mounted Bluetooth sound equipment is play the music that mobile phone stores,
B. pattern 1 (A2DP):
When needs realize hand-free call by vehicle-mounted Bluetooth sound equipment connection, Bluetooth of mobile phone is connected with this equipment first Bluetooth chip U1, first Bluetooth chip U1 is connected with audio signal end SPK with coder U3, coder U3 is directly connected (Analog-digital Converter and audio codec) with the second Bluetooth chip U2 by pulse code modulation end PCM, by the communication of the second Bluetooth chip U2 and vehicle-mounted Bluetooth sound equipment, by the microphone supporting with vehicle-mounted Bluetooth sound equipment and loudspeaker, realize the hand-free call function of vehicle-mounted Bluetooth sound equipment;
B. pattern 2:
Bluetooth of mobile phone is connected with this equipment first Bluetooth chip U1, first Bluetooth chip U1 is connected with audio signal end SPK with coder U3, microphone anode P+ and the microphone negative terminal N-of described first Bluetooth chip U1 meet microphone Mic respectively, loudspeaker anode P+ and the loudspeaker negative terminal N-of coder U3 meet loudspeaker SPK respectively, the stable state noise reduction of call and the echo process that disappears effectively is realized with the access way that this Mic with SPK is different, the hand-free call function of vehicle-mounted many bluetooths interwork unit can be realized, also can realize the function that vehicle-mounted many bluetooths interwork unit plays mobile phone music;
C. mode 3:
When needs vehicle-mounted Bluetooth sound equipment plays local music, only need control chip U4 to transfer local music file and send to the second Bluetooth chip U2 by the second universal asynchronous receiving-transmitting transmission ends UART2, connect vehicle-mounted Bluetooth sound equipment with the second Bluetooth chip U2, just can realize the function that vehicle-mounted Bluetooth sound equipment plays local music.
In the utility model embodiment, vehicle-mounted many bluetooths interwork unit adopts two bluetooth unit to carry out alternately with mobile phone and vehicle-mounted Bluetooth sound equipment respectively, the bridge joint transmission of voice call and hi-fi music is realized between mobile phone and vehicle-mounted Bluetooth sound equipment, by carrying this vehicle-mounted many bluetooths interwork unit, the dependence that user plays mobile phone communication and vehicle-mounted Bluetooth sound equipment can be met, and by the process of encoding unit, effectively can suppress the conversation noise under vehicle environment and echo, effectively improve the quality that phonetic entry exports.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. vehicle-mounted many bluetooths interwork unit, is characterized in that, described vehicle-mounted many bluetooths interwork unit comprises:
Call voice signal and mutual the first bluetooth unit of audio file is carried out with mobile phone;
Call voice signal and mutual the second bluetooth unit of audio file is carried out with vehicle-mounted Bluetooth sound equipment;
Be connected with described first bluetooth unit and the second bluetooth unit respectively, the call voice signal transmitted and audio file carried out to the encoding unit of coding&decoding between described first bluetooth unit and the second bluetooth unit; And
The control unit be connected with described first bluetooth unit, the second bluetooth unit and encoding unit respectively.
2. vehicle-mounted many bluetooths interwork unit as claimed in claim 1, it is characterized in that, described first bluetooth unit adopts the first Bluetooth chip U1, the audio signal end SPK of described first Bluetooth chip U1 connects described encoding unit, the antenna end ANT of described first Bluetooth chip U1 connects antenna, microphone anode P+ and the microphone negative terminal N-of described first Bluetooth chip U1 connect microphone respectively, and universal asynchronous receiving-transmitting transmission ends UART and the Bluetooth signal end BT of described first Bluetooth chip U1 connect described control unit respectively.
3. vehicle-mounted many bluetooths interwork unit as claimed in claim 2, it is characterized in that, described second bluetooth unit adopts the second Bluetooth chip U2, the pulse code modulation end PCM of described second Bluetooth chip U2 connects described encoding unit, the antenna end ANT of described second Bluetooth chip U2 connects antenna, and universal asynchronous receiving-transmitting transmission ends UART and the Bluetooth signal end BT of described second Bluetooth chip U2 connect described control unit respectively.
4. vehicle-mounted many bluetooths interwork unit as claimed in claim 3, it is characterized in that, described encoding unit adopts coder U3, loudspeaker anode P+ and the loudspeaker negative terminal N-of described coder U3 connect loudspeaker respectively, the audio signal end SPK of described coder U3 meets the audio signal end SPK of described first Bluetooth chip U1, the pulse code modulation end PCM of described coder U3 meets the pulse code modulation end PCM of described second Bluetooth chip U2, and the built-in audio end I2S of described coder U3 connects described control unit.
5. vehicle-mounted many bluetooths interwork unit as claimed in claim 4, it is characterized in that, described control unit adopts control chip U4, the built-in audio end I2S of described control chip U4 meets the built-in audio end I2S of described coder U3, the first universal asynchronous receiving-transmitting transmission ends UART1 of described control chip U4 and the first Bluetooth signal end BT1 meets universal asynchronous receiving-transmitting transmission ends UART and the Bluetooth signal end BT of described first Bluetooth chip U1 respectively, the second universal asynchronous receiving-transmitting transmission ends UART2 of described control chip U4 and the second Bluetooth signal end BT2 meets universal asynchronous receiving-transmitting transmission ends UART and the Bluetooth signal end BT of described second Bluetooth chip U2 respectively.
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| CN201520709073.8U CN204948067U (en) | 2015-09-14 | 2015-09-14 | A kind of vehicle-mounted many bluetooths interwork unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110606046A (en) * | 2019-08-09 | 2019-12-24 | 深圳市昇润科技有限公司 | Automobile Bluetooth device and automobile keyless opening and closing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110606046A (en) * | 2019-08-09 | 2019-12-24 | 深圳市昇润科技有限公司 | Automobile Bluetooth device and automobile keyless opening and closing method |
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Denomination of utility model: On -vehicle many bluetooths interwork unit Effective date of registration: 20200709 Granted publication date: 20160106 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: SHENZHEN HONGFAN NETWORK TECHNOLOGY Co.,Ltd. Registration number: Y2020990000728 |
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Date of cancellation: 20221025 Granted publication date: 20160106 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: SHENZHEN HONGFAN NETWORK TECHNOLOGY Co.,Ltd. Registration number: Y2020990000728 |
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Effective date of registration: 20230505 Address after: Room 3307, building A4, No. 9 Kechuang Avenue, intelligent manufacturing Industrial Park (Zhihe Park), Jiangbei new area, Nanjing, Jiangsu 210044 Patentee after: Nanjing Siwei Zhilian Technology Co.,Ltd. Address before: No. 1-11, Rongxing Communication Building, No. 2 Kefa Road, Gaoxinyuan Middle District, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee before: SHENZHEN HONGFAN NETWORK TECHNOLOGY Co.,Ltd. |
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