CN200997640Y

CN200997640Y - A vehicle multimedia system

Info

Publication number: CN200997640Y
Application number: CNU2006201587659U
Authority: CN
Inventors: 郑为民; 林樾; 虞晓琼; 李雷
Original assignee: Institute of Computing Technology of CAS
Current assignee: Institute of Computing Technology of CAS
Priority date: 2006-12-06
Filing date: 2006-12-06
Publication date: 2007-12-26
Anticipated expiration: 2016-12-06

Abstract

The utility model discloses an on-vehicle multimedia system, including the LCD screen, shell and mainboard, the mainboard includes the control panel, the DDR memory bank, the DVD module, the hard disk, the control panel includes No. two CPU of godson, the chipset, the audio chip, RS232 interface chip, infrared transceiver chip, liquid crystal drive module, the display card, ROM, first DDR DIMM interface, second DDR DIMM interface, first IDE interface, second IDE interface, linear audio input interface, linear audio output interface, the microphone interface, the earphone interface, CD input interface, PS2 mouse interface, PS2 keyboard interface, first USB interface, second USB interface, third USB interface, fourth USB interface, serial interfaces, infrared interface, the LVDS interface, first PCI interface, second PCI interface, third PCI interface and fourth PCI interface. The utility model discloses small, power consumptive few, stability is high.

Description

A kind of in-vehicle multi-media system

Technical field

The utility model relates to vehicle electric field, particularly a kind of in-vehicle multi-media system.

Background technology

Along with the develop rapidly of Hyundai Motor electronic technology, in-vehicle multi-media system just progressively replaces playing devices such as traditional radio and tape player, CD player, becomes the new selection of automotive entertainment system.In-vehicle multi-media system is in the mode of the system integration, will look, listens, intelligent monitoring combines together, not only can play CD, the audio-video document of form such as VCD, DVD, MP3, also have teleview, function such as gps satellite navigation.

The popularization and application of in-vehicle multi-media system changes automobile entertainment mode generation essence, and increasing vehicle begins to adopt in-vehicle multi-media system.On car, light bus, motorbus and load-carrying vehicle, all in-vehicle multi-media system can be installed.But in-vehicle multi-media system can run into when being installed in the car, and interior space is limited, system's dismounting is inconvenient, electronic system complexity in the car, to problems such as system's amount of power supply are limited, therefore require in-vehicle multi-media system must possess compact to design, characteristics such as volume is little, stability is high, little power consumption.And existing multimedia system can't satisfy above-mentioned requirement.

Summary of the invention

The purpose of this utility model be overcome can run into when existing in-vehicle multi-media system is installed in the car that interior space is limited, system's dismounting is inconvenient, electronic system complexity in the car, to the limited problem of system's amount of power supply, thereby provide a kind of compact to design, volume is little, stability is high, the in-vehicle multi-media system of little power consumption.

To achieve these goals, the utility model provides a kind of in-vehicle multi-media system, comprise liquid crystal display screen 509, shell and motherboard, described motherboard comprises control board, the one DDR memory bar 508, the 2nd DDR memory bar 512, DVD module 502 and hard disk 501, wherein, described control board comprises No. two CPU201 of Godson, chipset 202, audio chip 101, RS232 interface chip 102, infrared receiving/transmission chip 103, liquid crystal driver module 104, video card 105, ROM106, the one DDR DIMM interface 1, the 2nd DDR DIMM interface 2, first ide interface 3, second ide interface 4, linear audio input interface 5, linear audio output interface 6, microphone interface 7, earphone interface 8, CD input interface 9, PS2 mouse interface 10, PS2 keyboard interface 11, first usb 12, second usb 13, the 3rd usb 14, the 4th usb 15, serial interface 16, infrared interface 17, LVDS interface 18, first pci interface 19, second pci interface 20, the 3rd pci interface 21 and the 4th pci interface 22;

No. two CPU201 of described Godson are connected with chipset 202, a DDR DIMM interface 1, the

2nd DDRDIMM interface

2, and 202 of described chipsets are connected to first ide interface 3, second ide interface 4, PS2 mouse interface 10, PS2 keyboard interface 11, first usb 12, second usb 13, the 3rd usb 14, the 4th usb 15, first pci interface 19, second pci interface 20, the 3rd pci interface 21, the 4th pci interface 22, audio chip 101, RS232 interface chip 102, infrared receiving/transmission chip 103 and ROM106; Described audio chip 101 is also connected to linear audio input interface 5, linear audio output interface 6, microphone interface 7, earphone interface 8, CD input interface 9; Described RS232 interface chip 102 also is connected with serial interface 16, and described infrared receiving/transmission chip 103 also is connected with infrared interface 17; Described video card 105 links to each other with the 3rd pci interface 21, and described liquid crystal driver module 104 is connected with video card 105, and described LVDS interface 18 is connected with liquid crystal driver module 104;

A described DDR memory bar 508 links to each other with a described DDR DIMM interface 1, described the 2nd DDR memory bar 512 links to each other with described the 2nd DDR DIMM interface 2, described DVD module 502 is connected on second ide interface 4, described hard disk 501 is connected on described first ide interface 3, described liquid crystal display screen 509 is connected on the control board by LVDS interface 18, and described shell is enclosed within outside the described motherboard.

In the technique scheme, described motherboard comprises that also TV receiver module 504, GPS receiver module 505, Bluetooth adapter module 506, Wireless Internet access module 507, DVD module 502, hard disk 501 and plate carry microphone 511;

Wherein, described TV receiver module 504 is connected with described first usb 12, described GPS receiver module 505 is connected with described second usb 13, described Bluetooth adapter module 506 is connected with described the 3rd usb 14, described Wireless Internet access module 507 is connected with described the 4th usb 15, and described plate carries microphone 511 and is connected on the described microphone interface 7.

In the technique scheme, No. two CPU of described Godson 201 adopt Godson 2E type CPU.

In the technique scheme, described chipset 202 comprises South Bridge chip and north bridge chips.

The utility model also provides a kind of in-vehicle multi-media system, comprise liquid crystal display screen 509, shell and motherboard, described motherboard comprises control board, the one DDR memory bar 508, the 2nd DDR memory bar 512, DVD module 502, hard disk 501, wherein, described control board also comprises No. two CPU201 of Godson, chipset 202, audio chip 101, RS232 interface chip 102, infrared receiving/transmission chip 103, liquid crystal driver module 104, video card 105, ROM106, the one DDR DIMM interface 1, the 2nd DDR DIMM interface 2, first ide interface 3, second ide interface 4, linear audio input interface 5, linear audio output interface 6, microphone interface 7, earphone interface 8, CD input interface 9, PS2 mouse interface 10, PS2 keyboard interface 11, first usb 12, second usb 13, the 3rd usb 14, the 4th usb 15, serial interface 16, infrared interface 17, LVDS interface 18, first pci interface 19, second pci interface 20, the 3rd pci interface 21 and the 4th pci interface 22;

No. two CPU201 of described Godson link to each other with chipset 202, a DDR DIMM interface 1, the 2nd DDR DIMM interface 2, first pci interface 19, second pci interface 20, the 3rd pci interface 21, the 4th pci interface 22, ROM106, and 202 of described chipsets are connected on described first ide interface 3, second ide interface 4, PS2 mouse interface 10, PS2 keyboard interface 11, first usb 12, second usb 13, the 3rd usb 14, the 4th usb 15, audio chip 101, RS232 interface chip 102, the infrared receiving/transmission chip 103; Described audio chip 101 is also connected to linear audio input interface 5, linear audio output interface 6, microphone interface 7, earphone interface 8, CD input interface 9; Described RS232 interface chip 102 is connected with serial interface 16, and described infrared receiving/transmission chip 103 is connected with infrared interface 17; Described video card 105 links to each other with the 3rd pci interface 21, and described liquid crystal driver module 104 is connected with video card 105, and described LVDS interface 18 is connected with liquid crystal driver module 104;

In the technique scheme, No. two CPU of described Godson 201 adopt Godson 2F type CPU.

In the above-mentioned technical scheme, described chipset 202 comprises South Bridge chip.

Advantage of the present utility model is;

1, in-vehicle multi-media system of the present utility model is compact to design, and volume is little, is applicable to limited application scenario, space in the automobile.

2, adopt No. two chips of Godson in the in-vehicle multi-media system of the present utility model, have little power consumption, stable high advantage, be adapted at using in the automobile.

Description of drawings

Fig. 1 is the control board structure chart in one embodiment in the in-vehicle multi-media system of the present utility model;

Fig. 2 is the structure chart of in-vehicle multi-media system of the present utility model;

Fig. 3 is the control board structure chart in another embodiment in the in-vehicle multi-media system of the present utility model.

The drawing explanation

1 the one DDRDIMM interface 2 the 2nd DDRDIMM interface

3 first ide interfaces, 4 second ide interfaces

5 linear audio input interfaces, 6 linear audio output interfaces

7 microphone interfaces, 8 earphone interfaces

The 9CD input connects the 10PS2 mouse interface

The 11PS2 keyboard connects 12 first USB interface

13 second usb 1s 4 the 3rd USB interface

15 the 4th usb 1s, 6 serial interfaces

The 17 infrared 18LVDS interfaces that connect

19 first pci interfaces, 20 second pci interfaces

21 the 3rd pci interfaces 22 the 4th pci interface

101 audio chip 102RS232 interface chips

103 outer transceiving chip 104 liquid crystal driver module

105 video card 106ROM

No. two CPU 202 chipsets of 201 Godsons

501 hard disk 502DVD modules

503 keyboard 504TV receiver modules

505GPS receiver module 506 Bluetooth adapter modules

507 Wireless Internet access modules 508 a DDR memory bar

509 liquid crystal display screens, 510 vehicle-mounted loudspeakers

511 plates carry microphone 512 the 2nd DDR memory bar

601 control boards

Embodiment

Below in conjunction with the drawings and specific embodiments in-vehicle multi-media system of the present utility model is further described.

Embodiment 1:

In an embodiment of in-vehicle multi-media system of the present utility model, as shown in Figure 2, in-vehicle multi-media system comprises liquid crystal display screen 509, shell and motherboard.In motherboard, comprise that control board 601, a DDR memory bar 508, the 2nd DDR memory bar 512, TV receiver module 504, GPS receiver module 505, Bluetooth adapter module 506, Wireless Internet access module 507, DVD module 502, hard disk 501 and plate carry microphone 511.Wherein, as shown in Figure 1, described control board 601 comprises No. two CPU201 of Godson, chipset 202, audio chip 101, RS232 interface chip 102, infrared receiving/transmission chip 103, liquid crystal driver module 104, video card 105, ROM106, the one DDR DIMM interface 1, DDR DIMM interface 2, first ide interface 3, second ide interface 4, linear audio input interface 5, linear audio output interface 6, microphone interface 7, earphone interface 8, CD input interface 9, PS2 mouse interface 10, PS2 keyboard interface 11, first usb 12, second usb 13, the 3rd usb 14, the 4th usb 15, serial interface 16, infrared interface 17, LVDS interface 18, first pci interface 19, pci interface 20, the 3rd pci interface 21, the 4th pci interface 22.

No. two CPU201 of Godson are connected with chipset 202, a DDR DIMM interface 1, DDR

DIMM interface

2, and 202 of chipsets are connected to first ide interface 3, second ide interface 4, PS2 mouse interface 10, PS2 keyboard interface 11, first usb 12, second usb 13, the 3rd usb 14, the 4th usb 15, first pci interface 19, second pci interface 20, the 3rd pci interface 21, the 4th pci interface 22, audio chip 101, RS232 interface chip 102, infrared receiving/transmission chip 103, ROM106; Described audio chip 101 is also connected to linear audio input interface 5, linear audio output interface 6, microphone interface 7, earphone interface 8, CD input interface 9; Described RS232 interface chip 102 also is connected with serial interface 16, and described infrared receiving/transmission chip 103 also is connected with infrared interface 17; Described video card 105 links to each other with the

3rd pci interface

21, and 104 of liquid crystal driver module are connected with

video card

105, and 18 LVDS interfaces are connected with liquid crystal driver module 104.

In Fig. 2, a described DDR memory bar 508 is connected with a DDR DIMM interface 1, the 2nd DDR memory bar 512 links to each other with the 2nd DDRDIMM interface 2, TV receiver module 504 is connected with first usb 12,505 of GPS receiver modules are connected with second usb 13,506 of Bluetooth adapter modules are connected with the

3rd usb

14, and 507 of Wireless Internet access modules are connected with the 4th usb 15.DVD module 502 is connected on second ide interface 4, and hard disk 501 is connected on first ide interface 3, and plate carries microphone 511 and is connected on the microphone interface 7.Liquid crystal display screen 509 in the in-vehicle multi-media system is connected on the control board 601 by LVDS interface 18.

In the present embodiment, No. two CPU of Godson 201 adopt Godson 2E type CPU.

Chipset 202 comprises South Bridge chip and north bridge chips, and north bridge chips wherein adopts the CycloneII series EP2C20F484 of ALTERA, and it links to each other with Godson by the SysAD bus.South Bridge chip adopts the VT82C686A chip of VIA company, and it is connected on the north bridge chips by pci bus.

Audio chip 101 adopts the ALC201 of AvanceLogic companies, and this chip is directly connected on the interface of South Bridge chip of chipset 202.

Video card 105 adopts the ATI RAGE128VR of ATI company, and it is installed on the slot of mainboard pci interface.

ROM 106 adopts the AM29LV040B of AMD, and it is connected on the north bridge chips of chipset 202 by the I/O interface.

Infrared receiving/transmission chip 103 adopts the UCC5343 of TI company, and it is connected on the UART interface of South Bridge chip.

RS232 interface chip 102 adopts the MAX3243 of MAXIM company, and it is connected on the UART interface of South Bridge chip.

Liquid crystal driver module 104 is connected on the video card 105 by the VGA interface.

GPS receiver module 505 can adopt HOLUX GR-212 gps satellite receiver.

Bluetooth adapter module 506 can adopt Belkin (Bel's gold) Bluetooth adapter F8T013ZH.

Wireless Internet access module 507 can adopt Ai Fei Xin Tian You GPRS wireless modem.

In-vehicle multi-media system of the present utility model also provides a plurality of interfaces for the outside, and vehicle-mounted loudspeaker 510 can link to each other with linear audio output interface 6, and external keyboard 503 can link to each other with PS2 keyboard interface 11.

Embodiment 2:

In another embodiment of the present utility model, another kind of in-vehicle multi-media system has been described, to compare with embodiment 1 described in-vehicle multi-media system, in this in-vehicle multi-media system, No. two CPU of the Godson that is adopted 201 adopt Godson 2F type CPU.As shown in Figure 3, Godson 2F type CPU is integrated north bridge chips, therefore with in the chipset 202 that No. two CPU 201 of Godson are connected, only comprise South Bridge chip, South Bridge chip adopts the VT82C686A chip of VIA company, and it is connected with Godson 2F type CPU by pci bus.

Compare with embodiment 1, the annexation of each parts is different in the control board 601 among the embodiment 2,

Specifically describe as follows:

No. two CPU201 of Godson are connected with chipset 202, a DDR DIMM interface 1, the 2nd DDR DIMM interface 2, first pci interface 19, second pci interface 20, the 3rd pci interface 21, the 4th pci interface 22, ROM106, and 202 of chipsets are connected to first ide interface 3, second ide interface 4, PS2 mouse interface 10, PS2 keyboard interface 11, first usb 12, second usb 13, the 3rd usb 14, the 4th usb 15, audio chip 101, RS232 interface chip 102, infrared receiving/transmission chip 103; Described audio chip 101 is also connected to linear audio input interface 5, linear audio output interface 6, microphone interface 7, earphone interface 8, CD input interface 9; Described RS232 interface chip 102 also is connected with serial interface 16, and described infrared receiving/transmission chip 103 also is connected with infrared interface 17; Described video card 105 links to each other with the

3rd pci interface

21, and 104 of liquid crystal driver module are connected with

video card

Except control board 601, other parts and the in-vehicle multi-media system described in the embodiment 1 of the in-vehicle multi-media system in the present embodiment are similar, no longer describe in detail in the present embodiment.

Claims

1. A vehicle-mounted multimedia system, comprising a liquid crystal screen (509), a shell and a motherboard, wherein said motherboard includes a control panel (601), a first DDR memory stick (508), a second DDR memory stick (512), DVD module (502) and hard disk (501), wherein, described control panel comprises No. 2 Godson CPU (201), chipset (202), audio frequency chip (101), RS232 interface chip (102), Infrared transceiver chip (103), LCD driver module (104), graphics card (105), ROM (106), first DDR DIMM interface (1), second DDR DIMM interface (2), first IDE interface (3), Second IDE interface (4), line audio input interface (5), line audio output interface (6), microphone interface (7), headphone interface (8), CD input interface (9), PS2 mouse interface (10), PS2 keyboard interface (11), first USB interface (12), second USB interface (13), third USB interface (14), fourth USB interface (15), serial port interface (16), infrared interface (17) , LVDS interface (18), the first PCI interface (19), the second PCI interface (20), the third PCI interface (21) and the fourth PCI interface (22);

Described No. 2 Godson CPU (201) is electrically connected with chipset (202), the first DDR DIMM interface (1), the second DDR DIMM interface (2), and described chipset (202) is respectively connected with the first IDE Interface (3), second IDE interface (4), PS2 mouse interface (10), PS2 keyboard interface (11), first USB interface (12), second USB interface (13), third USB interface (14) , the fourth USB interface (15), the first PCI interface (19), the second PCI interface (20), the third PCI interface (21), the fourth PCI interface (22), audio chip (101), RS232 interface chip (102), infrared transceiver chip (103) and ROM (106) are electrically connected; Described audio chip (101) is respectively connected with linear audio input interface (5), linear audio output interface (6), microphone interface (7), The earphone interface (8) is electrically connected with the CD input interface (9); the RS232 interface chip (102) is also electrically connected with the serial port interface (16), and the infrared transceiver chip (103) is also electrically connected with the infrared interface (17) Electrical connection; described graphics card (105) is electrically connected with the third PCI interface (21), and described liquid crystal driver module (104) is electrically connected with graphics card (105), and described LVDS interface (18) is connected with liquid crystal driver module (104) electrical connection;

The first DDR memory stick (508) is electrically connected to the first DDR DIMM interface (1), and the second DDR memory stick (512) is electrically connected to the second DDR DIMM interface (2). connection, the DVD module (502) is connected to the second IDE interface (4), the hard disk (501) is connected to the first IDE interface (3), and the LCD screen (509) Connect to the control board through the LVDS interface (18).

2. The vehicle-mounted multimedia system according to claim 1, further comprising a casing, and the casing is set outside the main board.

3. The vehicle multimedia system according to claim 1, characterized in that, said motherboard also includes a TV receiver module (504), a GPS receiver module (505), a Bluetooth adapter module (506), a wireless Internet access module ( 507), DVD module (502), hard disk (501) and onboard microphone (511);

Wherein, the TV receiver module (504) is connected to the first USB interface (12), the GPS receiving module (505) is connected to the second USB interface (13), and the The Bluetooth adapter module (506) is connected with the third USB interface (14), the wireless Internet access module (507) is connected with the fourth USB interface (15), and the onboard microphone (511) Connect to the microphone interface (7).

4. The vehicle-mounted multimedia system according to claim 1 or 3, characterized in that, the Loongson-2 CPU (201) is a Loongson-2E CPU.

5. The vehicle multimedia system according to claim 1 or 3, characterized in that, the chipset (202) includes a south bridge chip and a north bridge chip.

6. A vehicle-mounted multimedia system, comprising a liquid crystal screen (509), a casing and a motherboard, wherein the motherboard includes a control panel (601), a first DDR memory stick (508), a second DDR memory stick (512), DVD module (502), hard disk (501), wherein, described control board also comprises No. 2 CPU (201), chipset (202), audio frequency chip (101), RS232 interface chip (102) , infrared transceiver chip (103), LCD driver module (104), graphics card (105), ROM (106), first DDR DIMM interface (1), second DDR DIMM interface (2), first IDE interface (3) , the second IDE interface (4), line audio input interface (5), line audio output interface (6), microphone interface (7), headphone interface (8), CD input interface (9), PS2 mouse interface (10) , PS2 keyboard interface (11), first USB interface (12), second USB interface (13), third USB interface (14), fourth USB interface (15), serial port interface (16), infrared interface (17 ), LVDS interface (18), the first PCI interface (19), the second PCI interface (20), the third PCI interface (21) and the fourth PCI interface (22);

No. 2 CPU (201) of described Godson and chipset (202), the first DDR DIMM interface (1), the second DDR DIMM interface (2), the first PCI interface (19), the second PCI interface (20) , the third PCI interface (21), the fourth PCI interface (22), and the ROM (106) are electrically connected, and the chipset (202) is electrically connected to the first IDE interface (3), the second IDE Interface (4), PS2 mouse interface (10), PS2 keyboard interface (11), first USB interface (12), second USB interface (13), third USB interface (14), fourth USB interface (15) , audio chip (101), RS232 interface chip (102), infrared transceiver chip (103); described audio chip (101) is also electrically connected to linear audio input interface (5), linear audio output interface (6), Microphone interface (7), earphone interface (8), CD input interface (9); Described RS232 interface chip (102) is electrically connected with serial interface (16), and described infrared transceiver chip (103) is connected with infrared interface ( 17) electrical connection; described graphics card (105) links to each other with the 3rd PCI interface (21), and described LCD driver module (104) is electrically connected with graphics card (105), and described LVDS interface (18) is connected with LCD driver The modules (104) are electrically connected;

Described first DDR memory bar (508) links to each other with described first DDR DIMM interface (1), and described second DDR memory bar (512) links to each other with described second DDR DIMM interface (2), Described DVD module (502) is connected on the second IDE interface (4), and described hard disk (501) is connected on the described first IDE interface (3), and described liquid crystal screen (509) passes LVDS The interface (18) is connected to the control board, and the shell is sleeved on the outside of the main board.

7. The vehicle multimedia system according to claim 5, characterized in that, said motherboard also includes a TV receiver module (504), a GPS receiver module (505), a Bluetooth adapter module (506), a wireless Internet access module ( 507), DVD module (502), hard disk (501) and onboard microphone (511);

Wherein, the TV receiver module (504) is connected to the first USB interface (12), the GPS receiving module (505) is connected to the second USB interface (13), and the The Bluetooth adapter module (506) is connected with the third USB interface (14), the wireless Internet access module (507) is connected with the fourth USB interface (15), and the onboard microphone (511) Connect to the microphone port (7) mentioned above.

8. The vehicle-mounted multimedia system according to claim 6 or 7, characterized in that, the Loongson-2 CPU (201) is a Loongson-2F CPU.

9. The vehicle multimedia system according to claim 6 or 7, characterized in that the chipset (202) includes a south bridge chip.