CN201218894Y

CN201218894Y - Multimedia integrated projector

Info

Publication number: CN201218894Y
Application number: CNU2008200642200U
Authority: CN
Inventors: 余中俊
Original assignee: SICHUAN YANGZHOU INFORMATION INDUSTRY Co Ltd
Current assignee: SICHUAN YANGZHOU INFORMATION INDUSTRY Co Ltd
Priority date: 2008-07-14
Filing date: 2008-07-14
Publication date: 2009-04-08
Anticipated expiration: 2018-07-14

Abstract

The utility model relates to a multimedia integrated projector, pertains to the field of digital technology, especially relates to a multifunctional product combining computer technique with projector in prior art, mainly used for playing high definition video signals such as teaching resource, movie, DVD or the like. The projector comprises a projector image processing and driving circuit, an optical image forming portion, an electric control and interface portion, which is characterized in that an embedded industrial microcomputer system based on InterX86 series is included, an embedded CPU is connected with a north bridge chip set, reset time clock RTC by the system bus, the north bridge chip set is connected with a image processing and accelerating device, a flash memory FLASH, a memory SDRAN, a video memory SDRAN, while the south bridge chip set is connected with a data storage, a U disk, a communication interface, a CF/SD card, a network interface, a serial port, an audio decoder and a audio output interface. The image processing and accelerating device is connected with the projector image processing and driving circuit through a low-voltage differential signal LVDS transmission circuit, while connected to a VGA driver to output the VGA signal. The projector is convenient for installation, using and operation.

Description

Multimedia integration projector

Technical field

The utility model belongs to the multimedia digital technical field, specifically, relates to the multimedia integration projector that computer technology combines with conventional projector.

Background technology

In today that digital technology develops rapidly, projector has become the standard configuration in demonstration places such as multi-media classroom, multi-functional conference hall and big-and-middle-sized club, and the trend that replaces traditional blackboard, blank is arranged greatly; Projector even be widely used in the home theater field and the mobile office aspect, the more and more polynary change of product.Along with the progressively appearance of home projector and the continuous maturation of digital television techniques, use projector to watch high definition television also just progressively to popularize.But when people use traditional projector, often need time-consuming take a lot of work carry out certain operations, when particularly being connected, can't accomplish that " plug and play " operate very easily with computing machine or laptop computer.Because traditional projector must be equipped with computer when the play multimedia resource or other broadcast source connects and could normally use, therefore in many instances, owing to can't providing computer or other broadcast source, condition restriction cause traditional projector can not playing image.There was the inventor of No. 20031012289.8 patents of China once to utilize universal embedded universal serial bus to start the imagination report that overcomes this defective of multimedia overhead projector instrument, but probe into its technical characterictic only is to utilize system's carrier to adopt USB (universal serial bus) (USB) flash memory, and Mobile operating system adopts (SuSE) Linux OS to realize; And this patent just can not be brought into play the sorry of its effect because technical limitation own can only be play some video resources but exist when revising playing resource if desired.And technical characterstic of the present utility model and above-mentioned background technology are different, from technical standpoint, also are the deficiencies that has remedied the former.

Summary of the invention

Purpose of the present utility model is that integrating traditional projector and micro computer form a multifunctional product together and make it to be mainly used in and play high definition vision signals such as teaching resource, film, DVD, can also real time modifying to finding existing content false in the playing process; And install, use multimedia integration projector easy to operate.

Realize that the technical solution of the utility model is such:

A kind of multimedia integration projector comprises conventional projector Flame Image Process and driving circuit 1, optical imagery part 2, electrical control and interface section 3, it is characterized in that, also include built-in industrial microcomputer system mainboard 4 based on Inter X86 series, on the described system board 4 based on Intel X86 embedded type CPU by cpu system bus and north bridge chipset 5, reset clock RTC connects, described north bridge chipset 5 and graphics process and graphics accelerator 7, flash memory FLASH, internal memory SDRAM, video memory SDRAM connects, described north bridge chipset 5 is connected with South Bridge chip group 6 by pci bus, South Bridge chip group 6 and data storage, USB flash disk, communication interface, the CF/SD card, network interface, serial port, audio decoder and audio output port, house dog connects.

The present described integrated graphics of its mark sheet of described multimedia integration projector is handled and graphics accelerator 7 handles with projector image by LVDS Low Voltage Differential Signal transmission circuit 8 and driving circuit 1 is connected.

The present integrated graphics of its mark sheet of described multimedia integration projector handles and graphics accelerator 7 is connected outputting VGA signal with the VGA driver.

Its feature of described multimedia integration projector shows that also described communication interface RS232 is connected with projector microprocessor RS232 interface.

Adopt and have following characteristics and good effect after the technique scheme of the present utility model:

1, simple to operate, easy to use, development of resources is diversified, operating system has been selected the NT framework Windows Win2000 of Microsoft or WinXP etc. for use.

2, Intel X86 CPU+Intel852GM north and south bridge chip group series is that Intel Company is one of family chip of the built-in industrial market development specially, select the built-in industrial mainboard of developing based on the chip and the supporting north and south bridge chip group of X86 series for use, can use Microsoft's Window operating system well based on the NT framework, as Win2000, WinXP etc.; And built-in industrial CPU, it is high to have stability, and antijamming capability is strong, can adapt to characteristics such as various working environments, delivery cycle are stable, and product stability is improved greatly.

3, the user can install the necessary operations system as the individual PC computer of operation, and various practical multimedia player, and the user greatly reduces the use threshold of multimedia integration projector.

4, be easy to upgrading, this programme has adopted at present based on X86 framework Intel

Pentium processor and Intel852GM chipset are upgraded to other chipsets based on X86 after being convenient to, be transparent for the user, do not need extra to pay more energy and expense for upgrading.

Description of drawings

Fig. 1 is the said multimedia integration projector structured flowchart of a utility model synoptic diagram

Fig. 2 is the said multimedia integration projector theory diagram of a utility model synoptic diagram

Fig. 3 is the circuit diagram of CPU module in the said LVDS transmission circuit of the utility model

Wherein numeral and letter representation: projector image is handled and driving circuit 1, optical imagery part 2, electrical control and interface section 3, built-in industrial microcomputer system mainboard 4, north bridge chipset 5, reset clock RTC South Bridge chip group 6, integrated graphics is handled and graphics accelerator 7, LVDS Low Voltage Differential Signal transmission circuit 8, flash memory FLASH, internal memory SDRAM, video memory SDRAM, audio decoder AC97Audio.

Embodiment

Provide embodiment in conjunction with Fig. 1 Fig. 2.

That select for use based on the InteL X86 embedded type CPU on the built-in industrial microcomputer system mainboard of Inter X86 series as can be seen is the Intel of X86 framework

Celeron M processor 1.00GHz processor, be connected with north bridge chipset, reset clock RTC by the cpu system bus, described north bridge chipset and integrated graphics processing and graphics accelerator, flash memory FLASH, internal memory SDRAM, video memory SDRAM are connected, what north bridge chipset and South Bridge chip group were selected for use is the Intel852GM chipset, and the South Bridge chip group is connected with data storage, USB flash disk, communication interface, CF/SD card, network interface, serial port, audio decoder and audio output port, house dog.Wherein said communication interface selects for use the RS232 interface to be connected with projector microprocessor RS232 interface.Multimedia file by the input of multimedia input equipments such as USB flash disk, CF/SD card, CD, Ethernet, can be stored in integration projector local hard drive or the electric board, open this document by media play software, send into the integrated hardware graphics accelerator of Intel852 chipset through decoded video stream media signal again; Decoded audio signal is sent into the AC97 audio process again by audio output interface output, and the outside audio-frequency power amplifier driving sound system that only need connect just can play out hi-fi music.That said integrated graphics is handled and graphics accelerator is selected for use is the Intel of one of integrated chip group

82852GM, the effect LVDS conversion of signals by CPU module in the LVDS Low Voltage Differential Signal transmission circuit becomes the TMDS coded signal to be connected with the projector image Processing Interface by the LVDS interface again.Integrated graphics is handled and graphics accelerator can also be connected outputting VGA signal with the VGA driver.The Streaming Media signal of playing is through integrated hardware graphics accelerator, send into conventional projection section by LVDS interface or VGA interface, handle the back imaging through conventional projection section again, the VGA part is also sent signal by outside VGA interface, can be used for testing the working condition of embedded micro computer.Operation Microsoft XP system on integrated projector can preloaded system or use the VGA output function to receive on the remote data indicator configuration projector time, also can play out picture by projection.This integration projector can work alone, also can be separately as the work of common projector, and the independent independently power switch of setting separately between two systems; External keyboard and mouse can be connected to line keyboard and mouse, also can insert radio keyboard mouse or bluetooth keyboard mouse.

Start by the booting operating system that is contained in advance in hard disk or the electric board when projector starts, begin the initialization of projector's parts after system start-up is finished, enter duty after initialization is finished.System supports remote-controlled start-up/shutdown/standby, and is user-friendly.

Provide and install and operating process:

Multimedia integration projector is an integrating traditional projector and a micro computer multifunctional product together, and operating aspect is all very convenient installing, using.

Fitting operation: desktop horizontal positioned or furred ceiling, if fixed installation, for making things convenient for operated from a distance to couple together, can also can be connected with LAN (Local Area Network) as traditional computer access to LAN by external wireless network card by a 10M/100M/1000M netting twine and projector.Blue teeth wireless keyboard and mouse can be selected or use to the keyboard of micro computer and mouse; Audio A udio output divides R channel and L channel output, can receive sound system.

Use operation, multimedia integration projector provides USB flash disk, SD card, network interface.After the energized, system begins to start, and enters windows system; Insert USB flash disk in USB interface, perhaps duplicate multimedia file on local hard drive or electric board, also can transmit file to local hard drive by LAN (Local Area Network) by the SD card; Open file and to play by playout software again.The whole operation process is just identical with the PC computer.Can or play the WORD/EXCEL/PPT document by Microsoft Office system compiles.Support the popular any multimedia file in market, Play System adopts the hardware graphics accelerator, makes multimedia smooth more.

Claims

1, multimedia integration projector, comprise projector image processing and driving circuit (1), optical imagery part (2), electrical control and interface section (3), it is characterized in that, also include built-in industrial microcomputer system mainboard (4) based on Intel X86 series, IntelX86 embedded type CPU on the described system board (4) is by system bus and north bridge chipset (5), reset clock RTC connects, described north bridge chipset (5) and graphics process and graphics accelerator (7), flash memory FLASH, internal memory SDRAM, video memory SDRAM connects, described north bridge chipset (5) be connected South Bridge chip group (6) and data storage with South Bridge chip group (6) by pci bus, USB flash disk, communication interface, the CF/SD card, network interface, serial port, audio decoder and audio output port, house dog connects.

2, multimedia integration projector according to claim 1 is characterized in that described integrated graphics is handled and graphics accelerator (7) handles with projector image by LVDS Low Voltage Differential Signal transmission circuit (8) and driving circuit (1) is connected.

3, multimedia integration projector according to claim 1 is characterized in that described integrated graphics is handled and graphics accelerator (7) is connected outputting VGA signal with the VGA driver.

4, multimedia integration projector according to claim 1 is characterized in that described communication interface RS232 is connected with projector microprocessor RS232 interface.