CN213043680U - Bluetooth conversion answering control circuit - Google Patents
Bluetooth conversion answering control circuit Download PDFInfo
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- CN213043680U CN213043680U CN202022114124.6U CN202022114124U CN213043680U CN 213043680 U CN213043680 U CN 213043680U CN 202022114124 U CN202022114124 U CN 202022114124U CN 213043680 U CN213043680 U CN 213043680U
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Abstract
The utility model discloses a Bluetooth conversion answering control circuit, which comprises an MCU control module, an audio decoder, a crystal oscillator control circuit, a Bluetooth module control module, a Bluetooth audio detection module, an audio data receiving module, a data interface and a power module; the MCU control module controls the Bluetooth control module through an audio decoder and a crystal oscillator control circuit, and the Bluetooth control module controls and transmits audio signals received through a data interface through a Bluetooth audio detection module and an audio data receiving module; and the power supply module respectively provides power for the MCU control module and the Bluetooth control module. The utility model provides a bluetooth conversion answer control circuit that the function is various, simple structure, facilitates the use.
Description
Technical Field
The utility model relates to a bluetooth technical field especially relates to a control circuit is answered in bluetooth conversion.
Background
Currently, BLUETOOTH (BLUETOOTH) is a developing radio technology supporting short-distance wireless link, and a wireless interface is used to replace a wired cable link, so as to realize wireless link anytime and anywhere, and is widely applied to wireless link application of individuals and businesses. Especially, the application in the wireless audio communication is very popular nowadays.
At present, the listening mode of audio signals of many devices is still limited to wired earphones, for example, on an airplane, an earphone patch cord is usually connected with an audio output port of an armrest of an airplane seat, however, for people who often need to sit on the airplane or fly for a long distance, it is very inconvenient to wear the wired earphones to receive the audio output, and the user experience is very bad.
At present, people desire a bluetooth switching and answering control circuit which is simple and convenient to use and can control the bluetooth headset.
The Chinese patent application numbers are: 201720408710.7, application date is 18/04/2017, publication date is: 11/28/2017, with patent names: the utility model provides a bluetooth switching device, this utility model discloses a bluetooth switching device, the device includes: the Bluetooth unit comprises a plurality of Bluetooth modules, and each Bluetooth module is used for connecting one Bluetooth device; the interface unit is used for connecting an external electronic device and receiving an audio signal of the external electronic device or outputting the audio signal to the external electronic device; and the processing unit is respectively connected with the Bluetooth unit and the interface unit and is used for processing the data interaction between the external electronic equipment and the plurality of Bluetooth equipment. The device connects a plurality of electronic equipment that have bluetooth function through the bluetooth unit that contains a plurality of bluetooth modules, connects outside electronic equipment through interface unit simultaneously to the realization couples together outside electronic equipment and a plurality of bluetooth equipment, carries out data processing to it through the processing unit, has overcome the defect that current bluetooth connected mode is difficult to support a plurality of bluetooth equipment at a terminal, has promoted user experience in practical application.
The above patent document discloses a bluetooth switching apparatus, but although the bluetooth switching apparatus can support a plurality of bluetooth devices by one terminal, the bluetooth switching apparatus cannot control the bluetooth to switch and answer the audio device, and is inconvenient to use and cannot meet the demand of market development.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a bluetooth conversion answer control circuit that the function is various, simple structure, facilitates the use.
In order to realize the utility model discloses the purpose can take following technical scheme:
a Bluetooth conversion answering control circuit comprises an MCU control module, an audio decoder, a crystal oscillator control circuit, a Bluetooth module control module, a Bluetooth audio detection module, an audio data receiving module, a data interface and a power supply module; the MCU control module is used for controlling and processing audio information; the audio decoder is used for decoding and processing the audio signal; the crystal oscillator control circuit is used for controlling the frequency of the audio signal; the Bluetooth control module is used for controlling audio signal transmission; the Bluetooth audio detection module is used for detecting an audio signal; the audio data receiving module is used for receiving an audio signal; the power supply module respectively provides power for the MCU control module and the Bluetooth control module;
the MCU control module controls the Bluetooth control module through the audio decoder and the crystal oscillator control circuit, and the Bluetooth control module controls and transmits audio signals received through the data interface through the Bluetooth audio detection module and the audio data receiving module.
The Bluetooth control module is a Bluetooth chip of model 6956A.
The Bluetooth control module comprises a noise elimination module which is used for eliminating the noise of the audio signal.
The Bluetooth control module comprises a Bluetooth transmitting module which is used for transmitting audio signals.
The data interface comprises a USB interface.
The utility model discloses still include bluetooth headset, bluetooth control module transmits audio signal to this bluetooth headset through this bluetooth emission module.
The power module comprises a charging module.
The utility model provides a technical scheme's beneficial effect is:
firstly, the utility model controls the audio transmission of the Bluetooth control module through the MCU, not only can answer audio equipment, but also can transmit audio signals of the audio equipment to the Bluetooth earphone, thereby being convenient for users to use;
second, the utility model discloses the function is various, and it is more convenient to broadcast the music, and tone quality is better, and user experience feels strong.
And thirdly, the utility model discloses use safe and reliable, the facilitate promotion is popularized.
Drawings
Fig. 1 is a block diagram of a bluetooth switching listening control circuit according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments of the present invention.
Example 1
Referring to fig. 1, the bluetooth conversion answering control circuit includes an MCU control module 1, an audio decoder 2, a crystal oscillator control circuit 3, a bluetooth module control module 4, a bluetooth audio detection module 41, an audio data receiving module 42, a data interface 43, and a power module 6; the MCU control module 1 is used for controlling and processing audio information; the audio decoder 2 is used for decoding and processing the audio signal; the crystal oscillator control circuit 3 is used for controlling the frequency of the audio signal; the Bluetooth module control module 4 is used for controlling audio signal transmission; the bluetooth audio detection module 41 is configured to detect an audio signal; the audio data receiving module 42 is configured to receive an audio signal; the power module 6 respectively provides power for the MCU control module 1 and the Bluetooth control module 4;
MCU control module 1 controls bluetooth control module 4 through audio decoder 2 and crystal oscillator control circuit 3, bluetooth control module 4 will carry out control transmission through the audio signal that data interface 43 received through bluetooth audio frequency detection module 41 and audio data receiving module 42.
Preferably, the bluetooth control module 4 is a bluetooth chip of model 6956A.
In this embodiment, the data interface 43 may be connected to an external audio device in a wired connection manner, the external audio device transmits an audio signal to the audio data receiving module 42 through the data interface 43, and the bluetooth control module 4 controls the transmission of the audio signal through the bluetooth detection module 41;
in this embodiment, the MCU control module 1 controls the bluetooth control module 4 through the audio decoder 2 and the crystal oscillator control circuit 3, and analyzes and processes the audio signal through the bluetooth control module 4.
In this embodiment, preferably, the data interface 43 includes a USB interface 431.
Example 2
Referring to fig. 1, the difference from the above embodiment is that in the present embodiment, the bluetooth control module 4 preferably includes a noise cancellation module 44, and the noise cancellation module 44 is used for canceling the audio signal noise.
The sound quality of the audio signal is further improved by removing noise from the audio signal by the noise removal module 44.
In this embodiment, it is further preferable that the bluetooth control module 4 includes a bluetooth transmitting module 45, and the bluetooth transmitting module 45 is configured to transmit an audio signal.
In this embodiment, the bluetooth control module 4 can wirelessly transmit the audio signal of the external audio device through the bluetooth transmitting module 45.
In this embodiment, preferably, the utility model discloses still include bluetooth headset 5, bluetooth control module 4 transmits audio signal to this bluetooth headset 5 through this bluetooth emission module 45.
In this embodiment, preferably, for convenience of use, the bluetooth headset 5 may be carried about, and may be used when driving, riding a high-speed rail, and riding an airplane.
In this embodiment, the bluetooth control module 4 wirelessly transmits the audio signal to the bluetooth headset 5 through the bluetooth transmitting module 5, so that the consumer can conveniently listen to audio information such as music, and the user experience is greatly enhanced.
In this embodiment, preferably, the power module 6 includes a charging module 61, and the charging module 61 is respectively configured to charge the MCU control module 1 and the bluetooth control module 4. The charging module 61 can ensure that the bluetooth control module 4 can receive various audio information continuously.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (7)
1. The utility model provides a bluetooth conversion control circuit that listens which characterized in that: the device comprises an MCU control module, an audio decoder, a crystal oscillator control circuit, a Bluetooth module control module, a Bluetooth audio detection module, an audio data receiving module, a data interface and a power supply module; the MCU control module is used for controlling and processing audio information; the audio decoder is used for decoding and processing the audio signal; the crystal oscillator control circuit is used for controlling the frequency of the audio signal; the Bluetooth control module is used for controlling audio signal transmission; the Bluetooth audio detection module is used for detecting an audio signal; the audio data receiving module is used for receiving an audio signal; the power supply module respectively provides power for the MCU control module and the Bluetooth control module;
the MCU control module controls the Bluetooth control module through the audio decoder and the crystal oscillator control circuit, and the Bluetooth control module controls and transmits audio signals received through the data interface through the Bluetooth audio detection module and the audio data receiving module.
2. The bluetooth switched listen control circuit of claim 1, wherein: the Bluetooth control module is a Bluetooth chip of model 6956A.
3. The bluetooth switched listen control circuit according to claim 1 or 2, wherein: the Bluetooth control module comprises a noise elimination module which is used for eliminating the noise of the audio signal.
4. The bluetooth switched listening control circuit of claim 3, wherein: the Bluetooth control module comprises a Bluetooth transmitting module which is used for transmitting audio signals.
5. The bluetooth switched listen control circuit of claim 4, wherein: the data interface comprises a USB interface.
6. The bluetooth switched listen control circuit of claim 4, wherein: the Bluetooth headset is characterized by further comprising a Bluetooth headset, and the Bluetooth control module transmits the audio signal to the Bluetooth headset through the Bluetooth transmitting module.
7. The bluetooth switched listen control circuit of claim 1, wherein: the power module comprises a charging module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022114124.6U CN213043680U (en) | 2020-09-24 | 2020-09-24 | Bluetooth conversion answering control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022114124.6U CN213043680U (en) | 2020-09-24 | 2020-09-24 | Bluetooth conversion answering control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213043680U true CN213043680U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022114124.6U Active CN213043680U (en) | 2020-09-24 | 2020-09-24 | Bluetooth conversion answering control circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN213043680U (en) |
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2020
- 2020-09-24 CN CN202022114124.6U patent/CN213043680U/en active Active
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