CN210639987U - Vehicle-mounted multimedia playing device and vehicle - Google Patents
Vehicle-mounted multimedia playing device and vehicle Download PDFInfo
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- CN210639987U CN210639987U CN201921896936.1U CN201921896936U CN210639987U CN 210639987 U CN210639987 U CN 210639987U CN 201921896936 U CN201921896936 U CN 201921896936U CN 210639987 U CN210639987 U CN 210639987U
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Abstract
The application relates to a vehicle-mounted multimedia playing device, comprising: the control module is connected with the touch display module, the radio chip, the audio processing module and the USB audio chip, output signals of the radio chip and the USB audio chip are output to the audio processing module, and output signals of the audio processing module are output to the loudspeaker. The present application also relates to a vehicle. The application provides a vehicle-mounted multimedia playing device and vehicle adopts simple structure just can broadcast radio and USB flash disk music, has reduced the use amount of chip, has reduced the hardware cost, has realized reduce cost when richening vehicle-mounted multimedia playing device's function.
Description
Technical Field
The application relates to the technical field of automotive electronics, in particular to a vehicle-mounted multimedia playing device and a vehicle.
Background
With the rapid development of the automobile industry, more and more people have private cars. Along with the increase of vehicle-mounted devices in the market, the competition is more and more intense.
The main function of the vehicle-mounted multimedia playing device is playing sound sources, the structures adopted by many vehicle-mounted multimedia playing devices in the market are independent radio chips, USB audio chips and corresponding single-chip microcomputers, in the system development process, the two modules need to be independently developed, the development amount is increased undoubtedly, and meanwhile, the hardware cost is also increased.
Therefore, it becomes more and more important to make the development of the in-vehicle multimedia playing device lower in cost.
Disclosure of Invention
An object of the application is to provide a vehicle-mounted multimedia playing device and a vehicle, which can play radio and U disk music by adopting a simple structure, and reduce the cost while enriching the functions of the vehicle-mounted multimedia playing device.
In order to solve the above technical problem, the present application provides an on-vehicle multimedia playing device, the device includes: the device comprises a control module, an audio processing module, a touch display module, a radio chip, a USB audio chip and a loudspeaker, wherein the control module is connected with the touch display module, the radio chip, the audio processing module and the USB audio chip; the touch display module is used for receiving an instruction of playing a radio or playing U disk music; the control module is used for outputting a starting instruction to the radio chip or the USB audio chip when the touch display module receives an instruction for playing a radio or playing USB music; the radio chip is used for receiving the high-frequency signal through the radio antenna and restoring the high-frequency signal into first audio information after receiving the starting command, and sending the first audio information to the audio processing module; the USB audio chip is used for reading second audio information in the USB flash disk after receiving the starting command and sending the second audio information to the audio processing module; the audio processing module is used for processing the first audio information or the second audio information and then sending the processed first audio information or the processed second audio information to the loudspeaker so as to play the processed first audio information or the processed second audio information through the loudspeaker.
In one embodiment, the touch display module includes a memory and a touch display screen, and the touch display screen is further configured to display first image information pre-stored in the memory when the radio is played and display second image information pre-stored in the memory when the usb disk music is played.
In one embodiment, the memory is an SPI FLASH memory.
In one embodiment, the vehicle-mounted multimedia playing device further comprises a mobile terminal mapping module, the mobile terminal mapping module is connected with the control module, and an output signal of the mobile terminal mapping module is output to the audio processing module and/or the touch display module; the mobile terminal mapping module is used for establishing connection with the mobile terminal when receiving a mapping instruction, receiving third image information and/or third audio information which is sent by the mobile terminal and is being displayed, sending the received third image information to the touch display module, and/or sending the received third audio information to the audio processing module; the touch display module is used for displaying third image information; the audio processing module is used for sending the processed third audio information to the loudspeaker so that the loudspeaker plays the processed third audio information.
In one embodiment, the mobile terminal mapping module comprises a communication unit and a receiving unit; the communication unit is used for establishing communication connection with the mobile terminal in a wireless communication mode; the receiving unit is used for receiving the third image information and/or the third audio information and receiving screen resolution, horizontal screen state data or vertical screen state data of the mobile terminal.
In one embodiment, the wireless communication mode adopted by the communication unit is WiFi, bluetooth, NFC, or a proprietary wireless protocol.
In one embodiment, the touch display module of the vehicle-mounted multimedia playing device further comprises an image processing unit; the image processing unit is used for adjusting the resolution of the third image information according to the resolution of the touch display screen and the screen resolution of the mobile terminal and the horizontal screen or vertical screen state data to generate a mapping picture of the third image information, and the mapping picture is displayed through the touch display screen.
In one embodiment, the audio processing module of the vehicle-mounted multimedia playing device comprises a sound quality processor and an audio power amplifier, wherein a signal input end of the audio power amplifier is connected to an output end of the sound quality processor.
In one embodiment, the timbre processor is a four-channel timbre processor.
In order to solve the technical problem, the present application further provides a vehicle, where the vehicle-mounted multimedia playing device is configured on the vehicle.
The application provides a vehicle-mounted multimedia playing device, adopt simple structure just can broadcast radio and USB flash disk music, reduced the use amount of chip, reduced the hardware cost, realized reducing cost when richening vehicle-mounted multimedia playing device's function.
The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical means of the present application more clearly understood, the present application may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present application more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a block diagram of a vehicle-mounted multimedia playing device according to a first embodiment of the present application.
Fig. 2 is a block diagram of a vehicle-mounted multimedia playing device according to a second embodiment of the present application.
Fig. 3 is a schematic circuit diagram of a control module in the vehicle-mounted multimedia playing apparatus according to the first embodiment of the present application.
Fig. 4 is a schematic circuit diagram of a radio chip of a vehicle-mounted multimedia playing device according to an embodiment of the present application.
Fig. 5 is a circuit diagram of a USB audio chip of a vehicle-mounted multimedia playing device according to an embodiment of the present application.
Fig. 6 is a schematic circuit diagram of an audio processing module in an in-vehicle multimedia playing device according to an embodiment of the present application.
Detailed Description
To further clarify the technical measures and effects adopted by the present application to achieve the intended purpose, the following detailed description of the embodiments, methods, steps, features and effects of the present application will be made with reference to the accompanying drawings and preferred embodiments.
The foregoing and other technical matters, features and effects of the present application will be apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings. While the present application has been described in terms of specific embodiments and examples for achieving the desired objects and objectives, it is to be understood that the invention is not limited to the disclosed embodiments, but is to be accorded the widest scope consistent with the principles and novel features as defined by the appended claims.
Fig. 1 is a block diagram of a vehicle-mounted multimedia playing device according to a first embodiment of the present application. Referring to fig. 1, the vehicle-mounted multimedia playing device of the present embodiment includes a control module 10, an audio processing module 40, a touch display module 20, a radio chip 30, a USB audio chip 50, and a speaker 60, wherein the control module 10 is connected to the touch display module 20, the radio chip 30, the audio processing module 40, and the USB audio chip 50. The output signals of the radio chip 30 and the USB audio chip 50 are output to the audio processing module 40. The output signal of the audio processing module 40 is output to the speaker 60.
The touch display module 20 is used for receiving an instruction of playing a radio or playing a usb disk music. The control module 10 is configured to output a start instruction to the radio chip 30 or the USB audio chip 50 when the touch display module 20 receives an instruction to play a radio or play USB disk music. The radio chip 30 is configured to receive the high-frequency signal through the radio antenna and restore the high-frequency signal to first audio information after receiving the start command, and send the first audio information to the audio processing module 40. The USB audio chip 50 is configured to read the second audio information in the USB disk after receiving the start command, and send the second audio information to the audio processing module 40. The audio processing module 40 is configured to process the first audio information or the second audio information and send the processed first audio information or the processed second audio information to the speaker 60, so that the processed first audio information or the processed second audio information is played through the speaker 60.
Specifically, in one embodiment, the control module 10 may be, but is not limited to being, a TMP86P47AUG, the radio chip 30 may be, but is not limited to being, a TEF6606, the USB audio chip may be, but is not limited to being, an AU7842, and the audio processing module 40 may be, but is not limited to being, a TDA7313 chip.
The vehicle-mounted multimedia playing device provided by the embodiment can simultaneously have the functions of playing the radio and playing the U disk music through a simple structure, and compared with a device for independently developing the functions of the radio and playing the U disk music, the vehicle-mounted multimedia playing device has the advantages that the functions of the vehicle-mounted multimedia playing device are enriched, and meanwhile, the cost is reduced.
Fig. 2 is a block diagram of a vehicle-mounted multimedia playing device according to a second embodiment of the present application. Referring to fig. 2, fig. 2 is an improvement of fig. 1. Fig. 2 is different from fig. 1 in that the in-vehicle multimedia playing device of fig. 2 further includes a mobile terminal mapping module 70, and the touch display module 20 of the in-vehicle multimedia playing device of fig. 2 includes an image processing unit 201, a touch display screen 202 and a memory 203. The audio processing module 40 includes a timbre processor 401 and an audio power amplifier 402.
Specifically, the touch display module 20 includes a memory 203 and a touch display 202, where the touch display 202 is configured to display first image information pre-stored in the memory 203 when playing a radio, and display second image information pre-stored in the memory 203 when playing usb disk music.
Specifically, the first video information may be a pre-designed interface displayed when the radio is played, and the second video information may be another pre-designed interface displayed when the radio is played. The first image information at least includes channel information, and the second image information may include, but is not limited to, a song title, a singer name, an album name, and the like.
In particular, in one embodiment, memory 203 may be an SPI FLASH memory.
Specifically, in one embodiment, the workflow of displaying the first image information and the second image information is as follows: the content of radio and U disk music display is stored in the SPI FLASH memory in advance, and when the radio or U disk music is played, the control module 10 controls the touch display module 20 to directly call and display in the SPI FLASH memory.
Specifically, in this embodiment, the vehicle-mounted multimedia playing apparatus further includes a mobile terminal mapping module 70, configured to establish a connection with the mobile terminal when receiving the mapping instruction, and after receiving the third video information and/or the third audio information being displayed and sent by the mobile terminal, send the received third video information to the touch display module 20, and/or send the received third audio information to the audio processing module 40; the touch display module is used for displaying third image information; the audio processing module 40 is configured to send the processed third audio information to the speaker 60, so that the speaker 60 plays the processed third audio information.
In particular, the mobile terminal may include, but is not limited to, a mobile phone, an iPad, a laptop, and the like.
Specifically, in one embodiment, the mobile terminal mapping module 70 includes a communication unit and a receiving unit; the communication unit is used for establishing communication connection with the mobile terminal in a wireless communication mode; the receiving unit is used for receiving the third image information and/or the third audio information and receiving screen resolution, horizontal screen state data or vertical screen state data of the mobile terminal.
Specifically, in an embodiment, the wireless communication mode adopted by the communication unit is WiFi, bluetooth, NFC, or a proprietary wireless protocol. In another embodiment, the data line may also be used to enable a connection to be established with the mobile terminal.
It is worth mentioning that after the connection with the mobile terminal is established, the normal use of the mobile terminal is not affected, and meanwhile, rich contents such as navigation information and internet media on the mobile terminal can be mapped. Because the hardware development of the vehicle-mounted terminal is slow, for example, when the mobile terminal adopts an IOS and Android system, the vehicle-mounted terminal still crawls on a WINCE platform; when the operation memory 4G of the mobile phone and the computer becomes the standard, the vehicle-mounted terminal has 512M which cannot be used, so that the vehicle-mounted terminal is far shorter than the mobile terminal in the speed of realizing the function, and the problem can be well solved through the mapping mode.
For example, when navigation is used, the mobile terminal is responsible for processing all relevant internal operations of navigation, including data reading and writing, logical operation, processing user operation, route calculation, guidance, retrieval, drawing and other functions; and sends out pictures, voice and other information when appropriate. The mobile terminal mapping module 70 only needs to receive and display the pictures transmitted from the mobile terminal, and receive and broadcast the voice transmitted from the mobile terminal.
Specifically, in one embodiment, in order to avoid image distortion, the touch display module 20 of the vehicle-mounted multimedia playing device further includes an image processing unit 201; the image processing unit 201 is configured to perform resolution adjustment processing on the third image information according to the resolution of the touch display screen and the screen resolution of the mobile terminal, and the horizontal screen or vertical screen status data, so as to generate a mapping frame of the third image information, and display the mapping frame through the touch display screen 202.
Specifically, in one embodiment, the audio processing module of the vehicle-mounted multimedia playing device comprises a timbre processor and an audio power amplifier, wherein a signal input end of the audio power amplifier is connected to an output end of the timbre processor.
Specifically, in the present embodiment, the timbre processor is a four-channel timbre processor, wherein the four-channel timbre processor may be, but is not limited to, a PT23-13 chip, and the audio power amplifier may be, but is not limited to, a TDA7384 chip.
The vehicle-mounted multimedia playing device provided by the embodiment has the functions of playing a radio and playing U disk music, and also has the function of mapping the mobile terminal, so that the use amount of chips is reduced, the hardware cost is reduced, and the cost is reduced while the functions of the vehicle-mounted multimedia playing device are enriched.
Fig. 3-6 are schematic circuit diagrams of a control module, a radio chip, a USB audio chip and an audio control module in an on-vehicle multimedia playing apparatus according to an embodiment. Referring to fig. 3 to 6, a connection relationship between modules in the in-vehicle multimedia playback device will be described.
Specifically, as shown in fig. 3 and 4, the control module 10 is connected to the control line pin SCL of the RADIO chip 30 through a RADIO data pin RADIO-DAT, and outputs a start instruction to the RADIO chip 30 when the touch display module 20 receives an instruction to play a RADIO.
Specifically, as shown in fig. 3 and 5, the control module 10 is connected to the USB audio chip 50 through the USB data pins USB-DAT and USB-CLK, and outputs a start command to the radio chip 30 when the touch display module 20 receives a command for playing USB music.
Specifically, the control module 10 and the audio processing module 40 are connected via a control line pin SCL and a data line pin SDA as shown in fig. 3 and 6.
Specifically, as shown in fig. 4 and 6, the audio signal demodulated by the RADIO chip 30 is transmitted to the audio processing module 40 through the pin RADIO-L and the pin RADIO-R.
Specifically, as shown in fig. 5 and 6, the audio signal demodulated by the USB audio chip 50 is transmitted to the audio processing module through the pin USB-L and the pin USB-R.
The application also provides a vehicle, and the vehicle is provided with the vehicle-mounted multimedia playing device.
The application provides a vehicle-mounted multimedia playing device and vehicle adopts simple structure just can broadcast radio and USB flash disk music, has reduced the use amount of chip, has reduced the hardware cost, has realized reduce cost when richening vehicle-mounted multimedia playing device's function.
Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.
Claims (10)
1. An in-vehicle multimedia playback apparatus, comprising: the device comprises a control module, an audio processing module, a touch display module, a radio chip, a USB audio chip and a loudspeaker;
the control module is connected with the touch display module, the radio chip, the audio processing module and the USB audio chip, output signals of the radio chip and the USB audio chip are output to the audio processing module, and output signals of the audio processing module are output to the loudspeaker;
the touch display module is used for receiving an instruction of playing a radio or playing U disk music;
the control module is used for outputting a starting instruction to the radio chip or the USB audio chip when the touch display module receives the instruction for playing the radio or the USB music;
the radio chip is used for receiving a high-frequency signal through a radio antenna and restoring the high-frequency signal into first audio information after receiving a starting command, and sending the first audio information to the audio processing module;
the USB audio chip is used for reading second audio information in the USB flash disk after receiving a starting command and sending the second audio information to the audio processing module;
the audio processing module is used for processing the first audio information or the second audio information and then sending the processed first audio information or the processed second audio information to the loudspeaker, so that the processed first audio information or the processed second audio information can be played through the loudspeaker.
2. The vehicle-mounted multimedia playing device according to claim 1, wherein the touch display module comprises a memory and a touch display screen, the touch display screen is further configured to display first image information pre-stored in the memory when a radio is played, and display second image information pre-stored in the memory when a usb disk music is played.
3. The in-vehicle multimedia playback apparatus of claim 2, wherein the memory is an SPI FLASH memory.
4. The vehicle-mounted multimedia playing device according to claim 2, further comprising a mobile terminal mapping module, wherein the mobile terminal mapping module is connected to the control module, and an output signal of the mobile terminal mapping module is output to the audio processing module and/or the touch display module;
the mobile terminal mapping module is used for establishing connection with a mobile terminal when receiving a mapping instruction, receiving third image information and/or third audio information which is sent by the mobile terminal and is being displayed, sending the received third image information to the touch display module, and/or sending the received third audio information to the audio processing module;
the touch display module is used for displaying the third image information;
the audio processing module is configured to send the processed third audio information to the speaker, so that the speaker plays the processed third audio information.
5. The in-vehicle multimedia playing apparatus of claim 4, wherein the mobile terminal mapping module comprises a communication unit and a receiving unit;
the communication unit is used for establishing communication connection with the mobile terminal in a wireless communication mode;
the receiving unit is used for receiving the third image information and/or the third audio information and receiving screen resolution, horizontal screen state data or vertical screen state data of the mobile terminal.
6. The vehicle-mounted multimedia playing device of claim 5, wherein the wireless communication mode adopted by the communication unit is WiFi, Bluetooth, NFC or proprietary wireless protocol.
7. The vehicle-mounted multimedia playing device according to claim 6, wherein the touch display module further comprises an image processing unit;
the image processing unit is used for adjusting the resolution of the third image information according to the resolution of the touch display screen and the screen resolution, the horizontal screen or the vertical screen state data of the mobile terminal so as to generate a mapping picture of the third image information, and the mapping picture is displayed through the touch display screen.
8. The vehicle-mounted multimedia player according to claim 4, wherein the audio processing module comprises a timbre processor and an audio power amplifier, wherein a signal input terminal of the audio power amplifier is connected to an output terminal of the timbre processor.
9. The in-vehicle multimedia player apparatus according to claim 8, wherein said sound processor is a four-channel sound processor.
10. A vehicle, characterized in that the vehicle is provided with an in-vehicle multimedia playing device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921896936.1U CN210639987U (en) | 2019-10-31 | 2019-10-31 | Vehicle-mounted multimedia playing device and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921896936.1U CN210639987U (en) | 2019-10-31 | 2019-10-31 | Vehicle-mounted multimedia playing device and vehicle |
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| CN210639987U true CN210639987U (en) | 2020-05-29 |
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| CN201921896936.1U Active CN210639987U (en) | 2019-10-31 | 2019-10-31 | Vehicle-mounted multimedia playing device and vehicle |
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Address after: Room 208, building 4, 1411 Yecheng Road, Jiading District, Shanghai, 201821 Patentee after: Botai vehicle networking technology (Shanghai) Co.,Ltd. Address before: Room 208, building 4, 1411 Yecheng Road, Jiading District, Shanghai, 201821 Patentee before: SHANGHAI PATEO ELECTRONIC EQUIPMENT MANUFACTURING Co.,Ltd. |
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Address after: Room 3701, No. 866 East Changzhi Road, Hongkou District, Shanghai, 200080 Patentee after: Botai vehicle networking technology (Shanghai) Co.,Ltd. Country or region after: China Address before: Room 208, building 4, 1411 Yecheng Road, Jiading District, Shanghai, 201821 Patentee before: Botai vehicle networking technology (Shanghai) Co.,Ltd. Country or region before: China |