CN214897614U - Vehicle-mounted Bluetooth voice system - Google Patents
Vehicle-mounted Bluetooth voice system Download PDFInfo
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- CN214897614U CN214897614U CN202121183673.7U CN202121183673U CN214897614U CN 214897614 U CN214897614 U CN 214897614U CN 202121183673 U CN202121183673 U CN 202121183673U CN 214897614 U CN214897614 U CN 214897614U
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Abstract
The utility model provides a vehicle-mounted Bluetooth voice system, which relates to the technical field of vehicle-mounted multimedia equipment and the technical field of vehicle-mounted multimedia equipment, and comprises a first Bluetooth module, a second Bluetooth module and a user mobile terminal, wherein the first Bluetooth module is used for connecting the vehicle-mounted multimedia equipment with the user mobile terminal; the second Bluetooth module is used for connecting the vehicle voice equipment and the vehicle-mounted multimedia equipment; wherein, on-vehicle multimedia equipment passes through first bluetooth module acquires to come from user mobile terminal's signal, and passes through second bluetooth module gives vehicle voice equipment with on-vehicle multimedia equipment and user mobile terminal's signal transmission, the utility model discloses realize that the sound of output is great, can satisfy the user requirement, bring better user experience to can directly realize on the car machine mainboard, need not to draw forth unnecessary cable, conveniently install.
Description
Technical Field
The utility model relates to an on-vehicle multimedia equipment technical field especially relates to a bluetooth car audio system.
Background
The voice output of the commonly used vehicle-mounted multimedia equipment (vehicle machine) is generally connected to the sound system of the original vehicle through a voice power amplifier, the voice power amplifier is designed on a main board of the vehicle machine, and the voice output is connected to a loudspeaker of the original vehicle through an audio lead, but when the vehicle-mounted multimedia equipment is installed, a center console of the original vehicle needs to be detached, and the lead of the sound system is found and connected for installation. For some vehicle systems, the center console is inconvenient to disassemble and the operation is not allowed, so that the vehicle-mounted multimedia equipment needs to be provided with a loudspeaker, the voice power amplifier and the loudspeaker of the original vehicle are integrated on a vehicle machine mainboard in a design mode and are limited by the equipment size and the installation mode, the loudspeaker of the original vehicle cannot be made very large, and the problem brought about in this way is that the sound output by the vehicle-mounted multimedia equipment is small and the user experience is poor. Therefore, a new vehicle bluetooth voice system is an important issue to be solved urgently in the industry at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vehicle-mounted Bluetooth voice system for solve among the prior art vehicle-mounted Bluetooth system be not convenient for install and cause the less defect of sound of vehicle-mounted multimedia device output, realize that the sound of output is great, can satisfy the user requirement, bring better user experience, and can directly realize on the car mainboard, need not to draw forth unnecessary cable, conveniently install.
The utility model provides a vehicle-mounted Bluetooth voice system, include:
the first Bluetooth module is used for connecting the vehicle-mounted multimedia equipment and the user mobile terminal;
the second Bluetooth module is used for connecting the vehicle voice equipment and the vehicle-mounted multimedia equipment;
the vehicle-mounted multimedia equipment acquires the signal from the user mobile terminal through the first Bluetooth module, and transmits the signal of the vehicle-mounted multimedia equipment and the signal of the user mobile terminal to the vehicle voice equipment through the second Bluetooth module.
According to the utility model provides a vehicle-mounted Bluetooth voice system, first bluetooth module is including setting up first bluetooth slave module in the vehicle-mounted multimedia equipment, be equipped with in the user mobile terminal with the first bluetooth master module of connection is established to first bluetooth slave module.
According to the utility model provides an on-vehicle bluetooth voice system, second bluetooth module is in including setting up the second bluetooth master module in on-vehicle multimedia device and setting second bluetooth slave module in the vehicle voice device, the second bluetooth master module with second bluetooth slave module establishes connection, second bluetooth slave module and vehicle voice device's vehicle sound electric connection.
According to the utility model provides a vehicle-mounted bluetooth voice system still is equipped with the main control processing module with the equal electric connection of first bluetooth slave module, second bluetooth master module in the vehicle-mounted multimedia device.
According to the utility model provides a vehicle-mounted bluetooth voice system, first bluetooth slave module passes through digital interface and main control processing module electric connection, and second bluetooth main module passes through voice signal line and main control processing module electric connection.
According to the utility model provides a vehicle-mounted bluetooth voice system, second bluetooth main module adopt simulation pronunciation bluetooth module or digital bluetooth pronunciation module.
According to the utility model provides a vehicle-mounted bluetooth voice system, second bluetooth main module includes:
the Bluetooth antenna is used for establishing connection with the second Bluetooth slave module;
the simulated voice Bluetooth transmitting circuit is electrically connected with the Bluetooth antenna;
and the first sound channel signal wire and the second sound channel signal wire are used for electrically connecting the master control processing module with the analog voice Bluetooth transmitting circuit.
According to the utility model provides an on-vehicle bluetooth voice system, first sound channel signal line is left sound channel input signal line or right sound channel input signal line, the second sound channel signal line corresponds be right sound channel input signal line or left sound channel input signal line.
According to the utility model provides a vehicle-mounted bluetooth voice system, second bluetooth main module includes:
the Bluetooth antenna is used for establishing connection with the second Bluetooth slave module;
the digital voice Bluetooth transmitting circuit is electrically connected with the Bluetooth antenna;
and the digital voice interface is used for electrically connecting the master control processing module and the digital voice Bluetooth transmitting circuit.
According to the utility model provides a bluetooth car audio system, digital voice interface is the built-in audio frequency digital voice interface of integrated circuit.
The utility model provides an on-vehicle bluetooth voice system, through setting up second bluetooth module, and be connected to the principal and subordinate relation between each equipment of bluetooth through the setting, finally broadcast away the speech signal of user mobile terminal's speech signal and on-vehicle multimedia apparatus self through the vehicle speech apparatus that the former car has installed, the sound of such mode output is great, can satisfy the user requirement, bring better user experience, solve the less problem of sound of output when on-vehicle multimedia apparatus adopts ordinary loudspeaker among the prior art, second bluetooth module can directly realize on the car mainboard simultaneously, need not to draw forth unnecessary cable, conveniently install.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a vehicle-mounted SIM card circuit provided by the present invention;
FIG. 2 is a schematic flow chart of a voice signal when a signal of the vehicle-mounted multimedia device in the vehicle-mounted SIM card circuit is played through a vehicle audio;
FIG. 3 is a schematic flow chart of the voice signal when the signal of the user mobile terminal in the vehicle-mounted SIM card circuit is played through the vehicle audio;
fig. 4 is a schematic structural diagram of a second bluetooth master module in the vehicle-mounted bluetooth audio system according to an aspect of the present invention;
fig. 5 is a schematic structural diagram of another situation of the second bluetooth master module in the vehicle-mounted bluetooth voice system according to the present invention.
Reference numerals:
100: a user mobile terminal; 101: a main control board; 102: a first bluetooth master module;
200: a vehicle-mounted multimedia device; 201; a first Bluetooth slave module;
202: a main control processing module; 203; a second bluetooth master module; 2031: a Bluetooth antenna;
2032: the analog voice Bluetooth transmitting circuit; 2033: a first channel signal line;
2034: second channel signal line: 2035: a digital voice Bluetooth transmitting circuit;
2036: a digital voice interface; 300: a vehicle voice device;
301: a second Bluetooth slave module; 302: vehicle audio.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model discloses a bluetooth car audio system is described below in combination with fig. 1, this bluetooth car audio system includes:
a first bluetooth module for connecting the in-vehicle multimedia device 200 with the user mobile terminal 100, and a second bluetooth module for connecting the vehicle voice device 300 with the in-vehicle multimedia device 200.
The vehicle-mounted multimedia device 200 acquires the signal from the user mobile terminal 100 through the first bluetooth module, and transmits the signals of the vehicle-mounted multimedia device 200 and the user mobile terminal 100 to the vehicle voice device 300 through the second bluetooth module.
The utility model discloses an on-vehicle bluetooth voice system, through setting up second bluetooth module, and be connected to the principal and subordinate relation between each equipment of bluetooth through the setting, finally broadcast away the speech signal of user mobile terminal 100's speech signal and on-vehicle multimedia apparatus 200 self through the vehicle speech apparatus 300 that the former car has been installed, the sound of such mode output is great, can satisfy the user requirement, bring better user experience, solve the less problem of sound of exporting when on-vehicle multimedia apparatus adopts ordinary loudspeaker among the prior art, second bluetooth module can directly realize on the car mainboard simultaneously, need not to draw unnecessary cable, conveniently install.
Specifically, the following describes the vehicle-mounted bluetooth voice system according to fig. 1 to fig. 3, the first bluetooth module includes a first bluetooth slave module 201 disposed in the vehicle-mounted multimedia device 200, the first bluetooth slave module 201 is disposed in the vehicle-mounted multimedia device 200, a first bluetooth master module 102 connected to the first bluetooth slave module 201 is disposed in the user mobile terminal 100, the first bluetooth master module 102 is disposed in the main control board 101 of the user mobile terminal 100, and in this embodiment, the user mobile terminal 100 may be a smart phone, a tablet computer, a wearable mobile device, or other smart devices; the second bluetooth module comprises a second bluetooth master module 203 arranged in the vehicle-mounted multimedia device 200 and a second bluetooth slave module 301 arranged in the vehicle voice device 300, the second bluetooth master module 203 is also arranged in the vehicle-mounted multimedia device 200, the second bluetooth master module 203 is connected with the second bluetooth slave module 301, the second bluetooth slave module 301 is electrically connected with a vehicle sound device 302 of the vehicle voice device 300, and the vehicle sound device 302 is of the original vehicle and is specifically integrated on a main board of the original vehicle machine.
The vehicle-mounted multimedia device 200 is further provided with a main control processing module 202 electrically connected to the first bluetooth slave module 201 and the second bluetooth master module 203. Meanwhile, in the present embodiment, the first bluetooth slave 201 is electrically connected to the master control processing module 202 through a digital interface, and the second bluetooth master 203 is electrically connected to the master control processing module 202 through a voice signal line.
It is understood that the first bluetooth master module 102 in the user mobile terminal 100 in the first bluetooth module is a master module in the first bluetooth module, and the first bluetooth slave module 201 in the in-vehicle multimedia device 200 in the first bluetooth module is a slave module in the first bluetooth module. The first bluetooth master module 102 transmits a wireless signal to couple with the first bluetooth slave module 201 of the vehicle-mounted multimedia device 200, that is, the first bluetooth slave module 201 receives a signal (voice signal) from the user mobile terminal 100.
The second bluetooth master module 203 of the second bluetooth module in the vehicle-mounted multimedia device 200 is a master module of the second bluetooth module, and the second bluetooth slave module 301 of the second bluetooth module in the vehicle audio device 300 is a slave module of the second bluetooth module. After receiving the voice signal from the user mobile terminal 100, the first bluetooth slave module 201, after being analyzed by the master control processing module 202, is transmitted through the second bluetooth master module 203 and is paired and connected with the second bluetooth slave module 301 of the vehicle voice device 300, or the master control processing module 202 transmits a signal (voice signal) of the vehicle-mounted multimedia device 200 stored therein and an external signal (voice signal) received in other ways through the second bluetooth master module 203 and is paired and connected with the second bluetooth slave module 301 of the vehicle voice device 300, that is, the second bluetooth slave module 301 receives the signal (voice signal) processed by the master control processing module 202. Finally, the signals carried by the user mobile terminal 100 and the vehicle-mounted multimedia device 200 and the external signals received by the vehicle-mounted multimedia device 200 in other modes are played roughly through the vehicle sound 302 carried by the original vehicle, and in such a mode, different from the existing mode, the sound output by the user mobile terminal 100 and the vehicle-mounted multimedia device 200 is larger without being limited by the volume of the vehicle horn and the installation mode, so that the user requirements are met, and better use experience is brought to the user.
As shown by the arrow direction in fig. 2, when the vehicle-mounted multimedia device 200 itself or other external voices need to be played through the vehicle audio 201, the vehicle-mounted multimedia device 200 transmits voice signals generated through a 3G/4G/5G cellular mobile communication network or a self-stored cellular mobile communication network to the second bluetooth main module 203 through a voice signal line and transmits the voice signals, and after receiving and demodulating the voice signals, the vehicle voice device 300 finally realizes voice playing at the vehicle audio 302.
As shown by the arrow in fig. 3, when the voice of the user mobile terminal 100 needs to be played through the vehicle audio 201, for example, a voice signal generated when the user mobile terminal 100 makes a call or plays music is transmitted through the first bluetooth main module 102 of the user mobile terminal 100, the first bluetooth slave module 201 of the vehicle-mounted multimedia device 200 demodulates a digital signal and transmits the digital signal to the main control processing module 202 after receiving the voice signal transmitted by the first bluetooth main module 102, then the main control processing module 202 parses the voice signal transmitted by the first bluetooth main module 102, and transmits the voice signal through the second bluetooth main module 203, and the vehicle voice device 300 receives and demodulates the voice signal, and finally plays the voice at the vehicle audio 302.
The following describes the vehicle bluetooth audio system with reference to fig. 4 and 5, and the second bluetooth main module 203 can adopt an analog bluetooth module or a digital bluetooth voice module, which are respectively:
in the first case: the second bluetooth master module 203 includes:
a bluetooth antenna 2031 for establishing a connection with the second bluetooth slave module 301;
the analog voice Bluetooth transmitting circuit 2032 is electrically connected with the Bluetooth antenna 2031;
a first channel signal line 2033 and a second channel signal line 2034 for electrically connecting the main control processing module 202 and the analog voice bluetooth transmitting circuit 2032, wherein the first channel signal line 2033 is a left channel input signal line or a right channel input signal line, and the second channel signal line 2034 is a right channel input signal line or a left channel input signal line correspondingly, that is, one of the first channel signal line 2033 and the second channel signal line 2034 is a left channel input signal line, and the other is a right channel input signal line correspondingly.
In the second case: the second bluetooth master module 203 includes:
a bluetooth antenna 2031 for establishing a connection with the second bluetooth slave module 301;
a digital voice bluetooth transmitting circuit 2035 electrically connected to the bluetooth antenna 2031;
the digital voice interface 2036 is used for electrically connecting the main control processing module 202 and the digital voice bluetooth transmitting circuit 2035, and in this embodiment, the digital voice interface 2036 is specifically an Inter-IC Sound (I2S) digital voice interface. In the second case of the second bluetooth master module 203, the voice signal may pass through less than one Digital-to-Analog converter (DAC) unit at the master control processing module 202, so as to reduce the noise of the voice signal to the maximum extent.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The vehicle-mounted Bluetooth voice system is characterized by comprising:
the first Bluetooth module is used for connecting the vehicle-mounted multimedia equipment (200) with the user mobile terminal (100);
the second Bluetooth module is used for connecting the vehicle voice equipment (300) with the vehicle-mounted multimedia equipment (200);
the vehicle-mounted multimedia device (200) acquires signals from the user mobile terminal (100) through the first Bluetooth module, and transmits the signals of the vehicle-mounted multimedia device (200) and the user mobile terminal (100) to the vehicle voice device (300) through the second Bluetooth module.
2. The vehicle Bluetooth voice system according to claim 1, wherein the first Bluetooth module comprises a first Bluetooth slave module (201) disposed in the vehicle multimedia device (200), and a first Bluetooth master module (102) connected to the first Bluetooth slave module (201) is disposed in the user mobile terminal (100).
3. The vehicle Bluetooth voice system according to claim 2, wherein the second Bluetooth module comprises a second Bluetooth master module (203) disposed in the vehicle multimedia device (200) and a second Bluetooth slave module (301) disposed in the vehicle voice device (300), the second Bluetooth master module (203) is connected with the second Bluetooth slave module (301), and the second Bluetooth slave module (301) is electrically connected with the vehicle audio (302) of the vehicle voice device (300).
4. The vehicle-mounted Bluetooth voice system according to claim 3, wherein a main control processing module (202) electrically connected to the first Bluetooth slave module (201) and the second Bluetooth master module (203) is further disposed in the vehicle-mounted multimedia device (200).
5. The vehicle-mounted Bluetooth voice system according to claim 4, wherein the first Bluetooth slave module (201) is electrically connected to the master control processing module (202) through a digital interface, and the second Bluetooth master module (203) is electrically connected to the master control processing module (202) through a voice signal line.
6. The vehicular bluetooth voice system according to claim 5, wherein the second bluetooth master module (203) is an analog voice bluetooth module or a digital bluetooth voice module.
7. The vehicle Bluetooth voice system according to claim 6, wherein the second Bluetooth master module (203) includes:
a Bluetooth antenna (2031) for establishing a connection with a second Bluetooth slave module (301);
the analog voice Bluetooth transmitting circuit (2032) is electrically connected with the Bluetooth antenna (2031);
a first sound channel signal line (2033) and a second sound channel signal line (2034) for electrically connecting the master control processing module (202) and the analog voice Bluetooth transmitting circuit (2032).
8. The vehicle Bluetooth voice system of claim 7, wherein the first channel signal line (2033) is a left channel input signal line or a right channel input signal line, and the second channel signal line (2034) is a right channel input signal line or a left channel input signal line.
9. The vehicle Bluetooth voice system according to claim 6, wherein the second Bluetooth master module (203) includes:
a Bluetooth antenna (2031) for establishing a connection with a second Bluetooth slave module (301);
the digital voice Bluetooth transmitting circuit (2035) is electrically connected with the Bluetooth antenna (2031);
a digital voice interface (2036) for electrically connecting the master control processing module (202) and the digital voice Bluetooth transmitting circuit (2035).
10. The bluetooth car audio system of claim 9, wherein the digital voice interface (2036) is an integrated circuit built-in audio digital voice interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121183673.7U CN214897614U (en) | 2021-05-28 | 2021-05-28 | Vehicle-mounted Bluetooth voice system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121183673.7U CN214897614U (en) | 2021-05-28 | 2021-05-28 | Vehicle-mounted Bluetooth voice system |
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| Publication Number | Publication Date |
|---|---|
| CN214897614U true CN214897614U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121183673.7U Active CN214897614U (en) | 2021-05-28 | 2021-05-28 | Vehicle-mounted Bluetooth voice system |
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| CN (1) | CN214897614U (en) |
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- 2021-05-28 CN CN202121183673.7U patent/CN214897614U/en active Active
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