CN213907306U

CN213907306U - Optical fiber digital audio transmission module adopting vehicle-mounted USB screen projection mode

Info

Publication number: CN213907306U
Application number: CN202120094702.6U
Authority: CN
Inventors: 赵朝辉
Original assignee: Guangzhou Hanghui Electronics Co ltd
Current assignee: Guangzhou Hanghui Electronics Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-08-06
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses an optic fibre digital audio transmission module through on-vehicle USB throws screen mode, including the control box, the top cap is installed through the bolt in the top of control box, the heat dissipation fan is installed through the bolt in the bottom of top cap, the circuit board is installed through the bolt in the inside of control box, the top welding of circuit board has the tall and erect module of ann, the top of tall and erect module of ann is provided with the fin, the top of circuit board is provided with a plurality of welding points, the output of tall and erect module of ann is connected with the host computer that former car supported carrifede through the conductor wire, the output of tall and erect module of ann is connected with USB through the conductor wire. The utility model discloses support the control box that multiple audio format decoded, support the output of i2s SPDIF optic fibre audio frequency simultaneously, this control box mainly projects the video through former car USB passageway on former car screen, accomplishes digital audio's demonstration and control by former car screen.

Description

Optical fiber digital audio transmission module adopting vehicle-mounted USB screen projection mode

Technical Field

The utility model relates to an on-vehicle audio transmission module technical field especially relates to a throw optic fibre digital audio transmission module of screen mode through on-vehicle USB.

Background

All new cars in the market have had tall and erect big screen of ann by oneself at present, and almost all new cars have and take CarPlay and Carlife function, and at present under the situation that does not change former car display screen, very big audio-visual repacking demand in addition, the new car of leaving the factory at present all is optical fiber system, and how under the situation that does not change former car display screen, the optical fiber system who repacks after making becomes the demand of many car owners.

The audio transmission module in the prior art can not relatively well support decoding of various audio formats, can not relatively well enable an original vehicle USB channel to project a video to an original vehicle screen, and can not relatively well complete display and control of digital audio through the original vehicle screen.

Therefore, it is desirable to design a fiber-optic digital audio transmission module in a vehicle-mounted USB screen projection manner to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing can not decode in a relatively better supporting multiple audio formats in the prior art, leading to the shortcoming of the display and the control of the digital audio frequency of accomplishing by former car screen that can not be relatively better, and the optic fibre digital audio transmission module who puts through on-vehicle USB screen mode of throwing that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an optical fiber digital audio transmission module adopting a vehicle-mounted USB screen projection mode comprises a control box, wherein a top cover is installed at the top of the control box through bolts, a heat dissipation fan is installed at the bottom of the top cover through bolts, a circuit board is installed inside the control box through bolts, an android module is welded at the top of the circuit board, a heat dissipation sheet is arranged at the top of the android module, a plurality of welding points are arranged at the top of the circuit board, the output end of the android module is connected with a host supporting carifelde of an original vehicle through a conducting wire, the output end of the android module is connected with a USB interface through a conducting wire, the output end of the android module is connected with a serial communication interface through a conducting wire, the output end of the android module is connected with an AHD panoramic camera through a conducting wire, the output end of the android module is connected with an FR/FL power output interface through a conducting wire, the output end of the android module is connected with a GPS and WiFi interface through a conducting wire, and the output end of the android module is connected with an i2s/SPDIF optical fiber audio output interface through a conducting wire.

Furthermore, the output end of the android module is connected with a second LVDS-to-HDMI interface through a conducting wire, and the output end of the second LVDS-to-HDMI interface is connected with a headrest screen through a conducting wire.

Furthermore, the output end of the android module is connected with a Bluetooth chip through a conducting wire, and the output end of the android module is connected with a first interface from LVDS to HDMI through a conducting wire.

Furthermore, the top of the top cover is provided with heat dissipation holes, and dust screens are welded inside the heat dissipation holes.

Furthermore, the top of the top cover is provided with a first fixing hole, and the top of the circuit board is provided with a second fixing hole.

Furthermore, breathable grids are arranged on one side of the control box, and threading holes are formed in the front and the back of the control box.

Furthermore, the mounting panel has all been welded to the both sides of control box, open the top of mounting panel has the mounting hole.

The utility model has the advantages that:

1. through the audio transmission module, the audio transmission module supports decoding of various audio formats and output of i2s/SPDIF optical fiber audio, the control box mainly projects videos to an original car screen through an original car USB channel, and display and control of digital audio are completed through the original car screen.

2. Through the heat dissipation fan and the fin that set up, the heat dissipation fan can dispel the heat to the chip in the control box, improves the environment of chip work in the control box, and the fin enables tall and erect module of ann to increase the area of contact with the air, improves tall and erect module radiating effect of ann.

3. Through ventilative bars, louvre and the dust screen that sets up, ventilative bars enable the inside that the circulation of air enters into the control box, and the circulation of air carries out the chip heat dissipation in the control box of being convenient for, and the louvre is used for the heat dissipation fan to control the box with heat outgoing, and the dust screen can avoid the dust to enter into the inside of control box through the louvre.

Drawings

Fig. 1 is a schematic view of the overall structure of an optical fiber digital audio transmission module according to the present invention, which is implemented in a vehicle-mounted USB screen-projection manner;

fig. 2 is a schematic diagram of an internal structure of an optical fiber digital audio transmission module according to the present invention, which is implemented in a vehicle-mounted USB screen-projection manner;

fig. 3 is a schematic structural view of a heat dissipation fan of an optical fiber digital audio transmission module in a vehicle-mounted USB screen projection manner according to the present invention;

fig. 4 is a general diagram of an optical fiber digital audio transmission module using a vehicle-mounted USB screen-projection method according to the present invention.

In the figure: the automobile tail lamp comprises a control box 1, a top cover 2, a ventilating grid 3, a threading hole 4, a mounting plate 5, a mounting hole 6, a fixing hole I7, a radiating hole 8, a dustproof net 9, a circuit board 10, a fixing hole II 11, an android module 12, a radiating fin 13, a Bluetooth chip 14, a welding point 15, a radiating fan 16, a Carlifede-supported host 17 of an original automobile, a USB2.0 interface 18, an HDMI interface I19 converted from LVDS, a serial port communication interface 20, an HDMI interface II 21 converted from LVDS, a panoramic camera 22 AHD 360, a power output interface 23 FR/FL, a GPS and WiFi interface 24, a headrest screen 25, and an optical fiber audio output interface 26 i2 s/SPDIF.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 4, a fiber digital audio transmission module using a vehicle-mounted USB screen-projecting mode includes a control box 1, a top cover 2 is installed on the top of the control box 1 through a bolt, a heat dissipating fan 16 is installed on the bottom of the top cover 2 through a bolt, the heat dissipating fan 16 can dissipate heat of a chip in the control box 1, so as to improve the working environment of the chip in the control box 1, a circuit board 10 is installed inside the control box 1 through a bolt, an android module 12 is welded on the top of the circuit board 10, the audio transmission module supports decoding of various audio formats and output of i2s/SPDIF fiber audio, the control box 1 projects video onto an original car screen through an original car USB channel, the original car screen displays and controls digital audio, a heat dissipating fin 13 is installed on the top of the android module 12, the heat dissipating fin 13 can increase the contact area of the android module 12 with air, improve the radiating effect of tall and erect module 12 of ann, the top of circuit board 10 is provided with a plurality of welding points 15, tall and erect module 12 of ann's output is connected with the host computer 17 that the car supported carrifede of former car through the conductor wire, tall and erect module 12 of ann's output is connected with USB2.0 interface 18 through the conductor wire, tall and erect module 12 of ann's output is connected with serial communication interface 20 through the conductor wire, serial communication interface 20 is used for controlling outside DSP power amplifier volume, tall and erect module 12 of ann's output is connected with AHD 360 panoramic camera 22 through the conductor wire, tall and erect module 12 of ann's output is connected with FR/FL power output interface 23 through the conductor wire, voice broadcast when FR/FL power output interface 23 is used for the navigation, tall and erect module 12's output is connected with GPS and WiFi interface 24 through the conductor wire, tall and erect module 12 of ann's output is connected with i2s/SPDIF optic fibre audio output interface 26 through the conductor wire.

Further, the output end of the android module 12 is connected with a second LVDS to HDMI interface 21 through a conductive wire, and the output end of the second LVDS to HDMI interface 21 is connected with a headrest screen 25 through a conductive wire.

Further, the output end of the android module 12 is connected with a bluetooth chip 14 through a conductive wire, the bluetooth chip 14 is used for external bluetooth connection, the output end of the android module 12 is connected with an LVDS-to-HDMI interface one 19 through a conductive wire, and the output of the LVDS-to-HDMI interface one 19 is digital audio output.

Furthermore, the top of the top cover 2 is provided with heat dissipation holes 8, the heat dissipation holes 8 are used for heat dissipation fans 16 to discharge heat out of the control box 1, dust screens 9 are welded inside the heat dissipation holes 8, and the dust screens 9 can prevent dust from entering the control box 1 through the heat dissipation holes 8.

Furthermore, the top of the top cover 2 is provided with a first fixing hole 7, the top cover 2 can be fixed by penetrating the first fixing hole 7 through a bolt, and the top of the circuit board 10 is provided with a second fixing hole 11.

Further, ventilative bars 3 have all been opened to one side of control box 1, and ventilative bars 3 enable the circulation of air and enter into the inside of control box 1, and the circulation of air is gone on the chip heat dissipation in the control box 1 of being convenient for, and the front and the back of control box 1 all open there is through wires hole 4.

Further, mounting plates 5 are welded on two sides of the control box 1, the mounting plates 5 can be fixedly mounted at specified positions through bolts, and mounting holes 6 are formed in the tops of the mounting plates 5.

The working principle is as follows: when the device is used, the conducting wire penetrates through the inside of the threading hole 4 and is welded on the welding point 15, the arranged air-permeable grid 3 can enable air to circulate to enter the inside of the control box 1, so that the air circulation in the control box 1 can dissipate heat of a chip, the heat dissipation holes 8 are used for the heat dissipation fans 16 to discharge the heat out of the control box 1, the dust-proof net 9 can prevent dust from entering the inside of the control box 1 through the heat dissipation holes 8, the heat dissipation fans 16 can be started to dissipate heat of the chip in the control box 1, the working environment of the chip in the control box 1 is improved, the radiating fins 13 can enable the contact area of the android module 12 and the air to be increased, the heat dissipation effect of the android module 12 is improved, the audio transmission module supports the control box 1 with decoding of various audio formats, and simultaneously supports the output of i2s/SPDIF optical fiber audio, and the display and control functions of digital transmission audio through the USB2.0 interface 18 on the original car screen, the original car screen is used for displaying and controlling digital audio, and the control box 1 is fixed to a specified position through a bolt penetrating through the mounting hole 6.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An optical fiber digital audio transmission module adopting a vehicle-mounted USB screen projection mode comprises a control box (1) and is characterized in that a top cover (2) is installed at the top of the control box (1) through a bolt, a heat dissipation fan (16) is installed at the bottom of the top cover (2) through a bolt, a circuit board (10) is installed inside the control box (1) through a bolt, an android module (12) is welded at the top of the circuit board (10), a heat dissipation sheet (13) is arranged at the top of the android module (12), a plurality of welding points (15) are arranged at the top of the circuit board (10), the output end of the android module (12) is connected with a host (17) of an original vehicle supporting carifelde through a conducting wire, the output end of the android module (12) is connected with a USB2.0 interface (18) through a conducting wire, the output end of the android module (12) is connected with a serial communication interface (20) through a conducting wire, the output of android module (12) is connected with AHD 360 panorama camera (22) through the conductor wire, the output of android module (12) is connected with FR/FL power output interface (23) through the conductor wire, the output of android module (12) is connected with GPS and WiFi interface (24) through the conductor wire, the output of android module (12) is connected with i2s/SPDIF optic fibre audio output interface (26) through the conductor wire.

2. The optical fiber digital audio transmission module adopting the vehicle-mounted USB screen projection mode according to claim 1, wherein an output end of the android module (12) is connected with a second LVDS-to-HDMI interface (21) through a conducting wire, and an output end of the second LVDS-to-HDMI interface (21) is connected with a headrest screen (25) through a conducting wire.

3. The optical fiber digital audio transmission module adopting the vehicle-mounted USB screen projection mode according to claim 1, wherein an output end of the android module (12) is connected with a Bluetooth chip (14) through a conducting wire, and an output end of the android module (12) is connected with a LVDS-to-HDMI interface I (19) through a conducting wire.

4. The optical fiber digital audio transmission module adopting the vehicle-mounted USB screen projection mode according to claim 1, wherein the top of the top cover (2) is provided with heat dissipation holes (8), and a dust screen (9) is welded inside the heat dissipation holes (8).

5. The optical fiber digital audio transmission module adopting the vehicle-mounted USB screen projection mode according to claim 1, wherein a first fixing hole (7) is formed in the top of the top cover (2), and a second fixing hole (11) is formed in the top of the circuit board (10).

6. The optical fiber digital audio transmission module adopting the vehicle-mounted USB screen projection mode is characterized in that one side of the control box (1) is provided with an air permeable grid (3), and the front side and the back side of the control box (1) are provided with threading holes (4).

7. The optical fiber digital audio transmission module adopting the vehicle-mounted USB screen projection mode is characterized in that mounting plates (5) are welded to two sides of the control box (1), and mounting holes (6) are formed in the tops of the mounting plates (5).