CN218122985U

CN218122985U - Intelligent sound control vehicle-mounted sound player

Info

Publication number: CN218122985U
Application number: CN202222313925.4U
Authority: CN
Inventors: 张勇
Original assignee: Jiangmen Dechuang Electronic Technology Co ltd
Current assignee: Jiangmen Dechuang Electronic Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-23
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to the technical field of car audio, in particular to an intelligent sound control vehicle-mounted sound player, which comprises a Bluetooth controller, a DVD processor connected with the Bluetooth controller, a radio module, a voice sound control system, a liquid crystal display driving chip, an infrared remote controller, a control key, a first crystal oscillator, a video output interface connected with the DVD processor, a memory and a second crystal oscillator, and solves the problems that the traditional car audio usually adopts CD.DVD car audio, the assembly is complex, the time and labor are wasted, the cost is high, and the sound control function is lacked; compared with the prior art, the utility model discloses save CD.DVD core, simplified structural design, reduced production and after-sale cost of maintenance, improved production efficiency, simultaneously the utility model discloses a fuse infrared remote controller and control button both, realized multiple functions's control to increased voice function, more convenience of customers uses.

Description

Intelligent sound control vehicle-mounted sound player

Technical Field

The utility model relates to a car audio technical field especially relates to an on-vehicle stereo player of intelligence acoustic control.

Background

At present, with the high-speed development of the automobile industry, the use of a vehicle-mounted sound system is more and more extensive, and the vehicle-mounted sound system becomes an important component part in a vehicle electronic system, the traditional vehicle-mounted sound adopts a CD.

The MP5 (without a machine core) in the market generally adopts a TFT screen with a touch function, such as C200S decoded by a full-log chip, so that the cost is relatively high, the cost of the whole machine with the TFT display screen and the touch screen is relatively high, and meanwhile, DVD and MP5 machines are at the middle and low ends of the current market, have high market share, but do not have a voice control function.

In summary, there is a need to provide an MP5/MP4 car audio product with a voice control function and high performance.

SUMMERY OF THE UTILITY MODEL

The utility model provides an intelligence acoustic control car audio player, the technical problem of solution is, traditional car audio adopts CD.DVD car audio usually, and not only the equipment is more complicated, wastes time and energy, and the cost is higher moreover, lacks the acoustic control function.

For solving above technical problem, the utility model provides an on-vehicle stereo set player of intelligence acoustic control, including the bluetooth controller and with DVD treater, radio module, pronunciation acoustic control system, liquid crystal display driver chip, infrared remote controller, control button and the first crystal oscillator that the bluetooth controller is connected, still include with video output interface, memory and the second crystal oscillator that the DVD treater is connected.

In a further implementation scheme, the system further comprises an audio processing chip, and an external audio input interface, an audio line output interface, a subwoofer output interface and a power amplifier chip which are connected with the audio processing chip.

In a further embodiment, the intelligent sound-controlled vehicle-mounted sound player further comprises a plurality of loudspeakers connected with the power amplifier chip.

In a further embodiment, the intelligent sound-control car audio player further comprises a digital radio and a digital audio processor which are connected with the Bluetooth controller.

In further embodiments, the memory includes SDRAM memory, FLASH memory, and USB removable memory.

In a further embodiment, the intelligent sound-control vehicle-mounted sound player further comprises a power module, wherein the power module comprises an ignition lock switch, a 12V output interface of a direct-current storage battery, a voltage stabilizing chip, a power conversion module and a 5V output USB voltage stabilizing module; the voltage stabilizing chip, the power supply conversion module and the 5V output USB voltage stabilizing module are all connected with a 12V output interface of the direct-current storage battery;

the voltage stabilizing chip is further connected with the Bluetooth controller, and the power supply conversion module is further connected with the DVD processor.

In a further embodiment, the power conversion module is a 5V-2.5A voltage regulator.

In a further implementation scheme, the intelligent sound control vehicle-mounted sound player further comprises a double-fixed LCD display screen and a single-fixed LCD display screen which are connected with the liquid crystal display driving chip.

In further embodiments, the DVD processor includes a SPHE8202RQ-D chip or a SPHE8202VGQ chip.

In a further embodiment, the bluetooth controller is an a5900 chip.

The utility model provides an intelligence acoustic control car audio player, including the bluetooth controller and with DVD treater, radio module, pronunciation acoustic control system, liquid crystal display driver chip, infrared remote controller, control button and the first crystal oscillator that the bluetooth controller is connected, still include with video output interface, memory and the second crystal oscillator that the DVD treater is connected have solved traditional car audio and have adopted CD.DVD car audio usually, and not only the equipment is more complicated, wastes time and energy, and the cost is higher moreover, lacks the problem of acoustic control function. Compared with the prior art, the utility model discloses on traditional CD.DVD car audio basis, saved CD.DVD core, optimize simultaneously and increased voice function to set up single two LCD display screens etc. of deciding, simplified structural design, reduced production and after-sale cost of maintenance, provided production efficiency, promoted user's the comfortable experience of driving simultaneously.

Drawings

Fig. 1 is a block diagram of an intelligent voice-controlled car audio player according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a voice controlled system according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the connection of an audio processing chip according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a power module according to an embodiment of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings, which are given for illustrative purposes only and are not to be construed as limiting the invention, including the drawings, which are only used for reference and illustration, and which do not constitute limitations to the scope of the invention, since many modifications may be made to the invention without departing from the spirit and scope of the invention.

Referring to fig. 1, an embodiment of the present invention provides an intelligent sound-controlled vehicle-mounted audio player, which can be applied to all products such as vehicle-mounted multimedia that need audio playing, as shown in fig. 1, including a bluetooth controller 10 and a DVD processor 11, a radio module 12, a voice sound control system 13, a liquid crystal display driver chip 14, an infrared remote controller 15, a control key 16, and a first crystal oscillator 17 connected to the bluetooth controller 10, and further including a video output interface 18, a memory 19, and a second crystal oscillator 20 connected to the DVD processor 11.

In one embodiment, the bluetooth controller 10 is configured to send or receive a radio signal, and send the radio signal to the DVD processor, in this embodiment, the bluetooth controller 10 preferentially adopts an a5900 chip, where the a5900 chip is a combination of an MCU and bluetooth 4.2, and can support APP.

In one embodiment, the DVD processor is configured to decode a digital video signal and a digital audio signal, and transmit the decoded digital video signal and the decoded digital audio signal to the video output interface 18, and the DVD processor 11 includes an spe 8202RQ-D chip or a spe 8202VGQ chip, in which a cd player is removed, and the spe 8202RQ-D chip or the spe 8202VGQ chip decoded by the shanyang chip is used as a main integrated intelligent vehicle-mounted acoustic control audio player, and is applicable to players such as MP3, MP4, MP5, WMA, and the like, and the circuit board is also optimized and upgraded, so that the production cost is reduced, the production efficiency is improved, and the market competitiveness of the whole machine is improved.

In one embodiment, the radio module is configured to receive and process a digital signal into an audio signal for transmission to the DVD processor through the bluetooth controller, the radio module 12 employs an SI4730 radio chip, a TDA7703R radio chip, or a TDA7786 radio chip, and the radio module is configured to support digital audio output and RDS reception.

In one embodiment, the voice controlled system is used for a microphone control system that receives voice commands and converts each voice command into an electrical output, in this embodiment, the voice controlled system 13 preferably adopts an YN2205 voice controlled system, as shown in fig. 2, the YN2205 voice controlled system includes a microphone control pin, an M-UART-RX data communication pin, an M-UART-TX data communication pin, and a VDD pin; DVD machine and MP5 player that compare in traditional lack speech function, this embodiment has increased pronunciation acoustic control function to make the user realize corresponding function through speech control, optimized the loaded down with trivial details, the production of traditional type button trouble, inefficiency scheduling problem, can make user's operation more convenient simultaneously, promote the comfortable experience of driving.

In one embodiment, the LCD driver chip 14 drives the LCD panel to display by using HT1621, HT1622, or HT1623 LCD driver chips; the present embodiment can also adopt T107/630M driving TFT display screen display.

The on-vehicle stereo set player of intelligence acoustic control that this embodiment provided still include with LCD display driver chip connects two decide the LCD display screen and singly decide the LCD display screen, in this embodiment, two decide the LCD display screen and singly decide the biggest display screen of LCD display screen design according to the mounting dimension, make the display effect accomplish extremely to the effect, wherein, two decide the LCD display screen can adopt 6.95 cun two machines of deciding, singly decide the LCD display screen can adopt 5 cun singly to decide the machine.

The display screen in this embodiment adopts 8 COM and 32 SEG as 256 points to display, the display screen is divided into an upper part and a lower part, the upper part is used for displaying dynamic frequency spectrum, and the lower part is 12 m-shaped 8 which can display content and status.

In this embodiment, the infrared remote controller 15 and the control keys 16 are used to control the audio player, that is, on the basis of the existing control keys 16, the infrared remote controller 15 is added to implement multiple control modes for the audio player, so as to provide convenience for the user.

Specifically, the present embodiment is optimized on a conventional type key panel: in the embodiment, MODE/BAND (MODE and radio BAND switching composite) is set as an arbitrary key power-on state; the VOL/SEL knob (with switch) is set to be the plus-minus of the volume, under the radio state, the multifunctional adjustment and the clock adjustment and the setting adjustment and confirmation are carried out, and in addition, the POWER is carried out for a long time; the remote controller in the embodiment reserves two remote controllers, the high end is pioneer, a common remote controller is selected, two different code values are configured for the two remote controllers, and the compatibility and the universality of the sound player are stronger.

In one embodiment, the memory 19 includes an SDRAM memory, a FLASH memory and a USB removable memory, in this embodiment, the memory 19 is used for storing data such as an audio player, the SDRAM memory adopts an SDRAM memory with a storage capacity of 48 × 16m, and the FLASH memory adopts an EON25T80 memory chip.

In an embodiment, as shown in fig. 3, the intelligent sound-controlled vehicle-mounted audio player provided in this embodiment further includes a sound-effect processing chip 21, and an external audio input interface 22, an audio line output interface 23, a subwoofer output interface 24, and a power amplifier chip 25 connected to the sound-effect processing chip 21, where the power amplifier chip is further connected to a plurality of speakers.

In this embodiment, the sound effect processing chip 21 supports adjusting high and low sound effects, volume, front and back and left and right gains and balance control, and the power amplifier chip 25 is used for amplifying weak signals from a sound source or a pre-amplifier; the sound effect processing chip 21 preferably adopts a PT2313 chip, and the power amplifier chip 25 preferably adopts a TDA7388/7851/7850 chip.

In one embodiment, the intelligent voice-controlled car audio player provided by this embodiment further includes a digital radio and a digital audio processor connected to the bluetooth controller.

In an embodiment, as shown in fig. 4, the intelligent sound-controlled vehicle audio player provided in this embodiment further includes a power module, where the power module includes an ignition lock switch 26, a dc battery 12V output interface 27 connected to the ignition lock switch, a voltage stabilizing chip 28 connected to the dc battery 12V output interface 27, a power conversion module 29, and a 5V output USB voltage stabilizing module 30; the voltage stabilizing chip is also connected with the Bluetooth controller, the power supply conversion module is also connected with the DVD processor, wherein the voltage stabilizing chip preferentially adopts an HT7550 chip, and the HT7550 chip has the advantages of voltage stabilization, low power consumption and the like; the power supply conversion module adopts a 5V-2.5A voltage stabilizer; the 5V output USB voltage stabilizing module preferentially adopts 8810B voltage stabilizing 5VUSB for charging.

The embodiment of the utility model provides a pair of intelligence acoustic control vehicle audio player, including the bluetooth controller and with DVD treater, radio module, pronunciation acoustic control system, liquid crystal display driver chip, infrared remote controller, control button and the first crystal oscillator that the bluetooth controller is connected, still include with video output interface, memory and the second crystal oscillator that the DVD treater is connected, solved traditional car stereo and adopted CD.DVD car stereo usually, not only the equipment is more complicated, wastes time and energy, and the cost is higher, lacks the problem of acoustic control function, the embodiment of the utility model optimizes traditional CD.DVD machine button loaded down with trivial details, production trouble, inconvenient operation scheduling problem through infrared remote controller and control button, makes the user can realize corresponding function through speech control, promotes the comfortable experience of driving, and the compatibility of system is strong; DVD core is through removing to this embodiment simultaneously to adopt single two to decide the display screen, make the audio adjust easy operation convenience, and the cost is reduced has improved user's use and has extensive development prospect in the future.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides an on-vehicle stereo set player of intelligence acoustic control which characterized in that: the Bluetooth audio-visual remote control device comprises a Bluetooth controller, a DVD processor, a radio module, a voice control system, a liquid crystal display driving chip, an infrared remote controller, control keys, a first crystal oscillator, a video output interface, a memory and a second crystal oscillator, wherein the DVD processor, the radio module, the voice control system, the liquid crystal display driving chip, the infrared remote controller, the control keys and the first crystal oscillator are connected with the Bluetooth controller.

2. The intelligent voice-controlled car audio player of claim 1, wherein: the device also comprises an audio processing chip, and an external audio input interface, an audio line output interface, a subwoofer output interface and a power amplifier chip which are connected with the audio processing chip.

3. The intelligent voice-controlled car audio player according to claim 2, wherein: the power amplifier chip is characterized by further comprising a plurality of loudspeakers connected with the power amplifier chip.

4. The intelligent voice-controlled car audio player of claim 1, wherein: the Bluetooth mobile phone also comprises a digital radio and a digital audio processor which are connected with the Bluetooth controller.

5. The intelligent voice-controlled car audio player of claim 1, wherein: the memory comprises an SDRAM memory, a FLASH memory and a USB mobile memory.

6. The intelligent voice-controlled car audio player of claim 1, wherein: the ignition lock switch, the 12V output interface of the direct-current storage battery, the voltage stabilizing chip, the power supply conversion module and the 5V output USB voltage stabilizing module are arranged in the power supply module; the voltage stabilizing chip, the power supply conversion module and the 5V output USB voltage stabilizing module are all connected with a 12V output interface of the direct-current storage battery;

7. The intelligent voice-controlled car audio player according to claim 6, wherein: the power supply conversion module is a 5V-2.5A voltage stabilizer.

8. The intelligent voice-controlled car audio player of claim 1, wherein: the LCD device also comprises a double-fixed LCD display screen and a single-fixed LCD display screen which are connected with the liquid crystal display driving chip.

9. The intelligent voice-controlled car audio player of claim 1, wherein: the DVD processor comprises an SPHE8202RQ-D chip or an SPHE8202VGQ chip.

10. The intelligent voice-controlled car audio player of claim 1, wherein: the Bluetooth controller is an A5900 chip.