CN201035766Y - Projection displaying mobile computer - Google Patents

Abstract

The utility model discloses a projection displayed mobile computer, and is characterized in that the utility model is provided with DLP circuit that comprises an A / D converter, a data compiler is connected with a caliper circuit, a bulb lighting controlling system that comprises a bulb and a bulb circuit and is used for providing visible light during the process of image restoring, an optical lens imaging system that comprises a lens, and is used for imaging, a digital micromirror device used for completing the gray-scale signal of the image under the coordination with the bulb lighting controlling system, and a DLP driving circuit used to drive the digital micromirror device, and a digital micromirror device driving circuit and the motor color wheel of a controlling lens, and a motor driving circuit used for driving the motor color wheel and a DLP microcontroller. Compared with the prior art, the utility model has the advantages that the assembling is relatively simple, the price is relatively inexpensive, the utility model has a wireless mobile function, and the system connection is stabile, the projection display is high-definition and highlighted, the friendly man-machine dialogue can be realized, the voice power amplification output can be effectively provided, and the infrared remote control is easy to operate. The utility model can be widely used in the places of multimedia teaching, conference, entertainment and household etc.

Description

A kind of removable computer of Projection Display

Technical field

The utility model relates to the audio-visual education programme system, especially relates to a kind of removable computer of Projection Display.

Background technology

Removable computer also is wireless mobile computer, is based on wireless telecommunications, links together by brand-new network, transmits the New-type computer of information mutually.Mobile computer all assembles wireless networking device, thereby can link with fixed network even other mobile computer.Removable computer all is to adopt general liquid crystal display to make display element at present.On the other hand, existing multimedia overhead projector tutoring system adopts single bulb to make light source mostly.For improving projector's brightness, use devices such as high-power bulb, reflective mirror, condenser, heat-protecting glass, fan.This traditional structure exists big energy-consuming, light efficiency is low, picture brightness is uneven, complex structure, the life-span is short, cost is high, be difficult for to move, and system connects defectives such as instability.So far the projector of domestic-developed yet there are no practical product and is used for multimedia teaching.And adopt digital light to handle (Digital Light Processing abroad, be called for short DLP) although the multimedia overhead projector tutoring system of technology is existing multiple, still be necessary to improve but form structure and usability, Shang Weijian has the removable computer of Projection Display to be applied to the multimedia overhead projector tutoring system.

Summary of the invention

Technical problem to be solved in the utility model is the defective that remedies existing multimedia teaching facility, a kind of DLP of employing technology is provided, can be applied to the removable computer of the Projection Display of multimedia overhead projector tutoring system.

Technical matters of the present utility model is solved by the following technical programs:

The removable computer of this Projection Display, comprise central processing unit, the hard disk communication module IDE (Integrated Device Electronics) or the ATA (AT Attachment) that are used for information exchanging visit and storage that are connected with described central processing unit, the CD/VCD/DVD CD-ROM drive circuit that is connected with described central processing unit respectively, the sound card circuit, video card circuit and interface thereof, be used to be connected to the network interface card circuit of INTENT network, described network interface card circuit is connected with described central processing unit, so that the user directly roams in network by native system, and keyboard, mouse, described keyboard, mouse is connected with described central processing unit, makes native system possess succinctly man-machine conversation function easily.

The characteristics of the removable computer of this Projection Display are:

Be provided with the DLP circuit that is connected with described video card circuit, described DLP circuit comprises A/D converter and data compiler;

Be provided with and comprise that bulb and bulb circuit are used for reducing image process and provide the bulb of visible rays to light control system, and comprise that camera lens is used for the optical lens imaging system of imaging.

Be provided with and be used for lighting the digital micro-mirror device (Digital Micromirror Device, DMD is called for short) of finishing the GTG signal of image under the control system cooperation and DLP driving circuit and the digital micro-mirror device driving circuit that drives its usefulness at bulb.

Also be provided with the motor colour wheel of the described camera lens of control and the motor drive circuit of its usefulness of driving, described motor colour wheel also is connected with described bulb circuit with described digital micro-mirror device respectively.

Also be provided with DLP microcontroller MCU, described microcontroller MCU is connected with described A/D converter, data compiler, DLP driving circuit, motor drive circuit, bulb circuit respectively, and they are carried out programmed control respectively.

Technical matters of the present utility model is solved by following further technical scheme:

Also be provided with audio process and reach the audio frequency audio power amplifying circuit and the loudspeaker of level thereafter, be used for audio signal and sound and amplify, realize ANTENN AUDIO teaching lecture.

Between described sound card circuit and audio process, be provided with the audio frequency bluetooth module.

Also be provided with the USB1.0/2.0/IEEE1394 interface circuit that is connected with described central processing unit.

Also be provided with recreation, industry control/numerical control and the serial ports of exchanging visits with the INTER chipset of described central processing unit.

The beneficial effect that the utility model is compared with the prior art is: form relatively simple, less expensive, has wireless locomotive function, and system connects stable, the Projection Display high definition is highlighted, can realize friendly man-machine conversation, can effectively provide sound power to amplify output, infrared remote control is easy to operate.Can be widely used in places such as multimedia teaching, meeting, amusement, family.

Description of drawings

Accompanying drawing is the composition block scheme of the utility model one embodiment.

Embodiment

Multimedia overhead projector tutoring system as shown in drawings, comprise central processing unit 2, being used for of being connected with central processing unit 2 information exchanged visits and the IDE of storage or ATA hard disk communication module 1A, the CD/VCD/DVD CD-ROM drive circuit 1B, sound card circuit 1D, video card circuit 1G and the interface 3 thereof that are connected with central processing unit 2 respectively, the network interface card circuit 1F that is used to be connected to the INTENT network, and keyboard, mouse 3B.Central processing unit 2 comprises south bridge, north bridge, internal memory, outside man-machine conversation platform 2B, and the bottom 2A of INTER chipset and keyboard, mouse control program 2C.Hard disk communication module 1A adopts Seagate Seagate hard disk ST3802110AS, its capacity: 80G, interface standard: S-ATAII, rotating speed: 7200rpm, buffer memory capacity: 8M, average seek time: 8.5ms, transmission standard: SATA2 300.Central processing unit 2 adopts Centrino CM380 1.61M 400 SL8MU of Celeron, and internal memory adopts modern DDR400 256MB.Sound card circuit 1D adopts Realtek Realtek ALC883 chip.Video card circuit 1G adopts Integrated in Intel  852GM GMCH display card (16M/32M/64M).Network interface card circuit 1F adopts Realtek RTL8100C Fast Ethernetcontroller.

Be provided with the DLP circuit that is connected with video card circuit 1F, described DLP circuit comprises AD9883A A/D converter and data compiler 4.

Be provided with and comprise that bulb 5D and bulb circuit are used for reducing image process and provide the bulb of visible rays to light control system, and comprise that camera lens 8 is used for the optical lens imaging system of imaging.

Be provided with and be used for lighting the DMD micro mirror 7 of the GTG signal of finishing image under the control system cooperation and the DLP driving circuit 5 and the DMD micro mirror driving circuit 6 of its usefulness of driving at bulb.

Also be provided with the motor colour wheel 5B of controls lens 7 and the motor drive circuit 5A of its usefulness of driving, motor colour wheel 5B also is connected with bulb circuit 5C with DMD micro mirror 7 respectively.

Also be provided with DLP microcontroller MCU, microcontroller MCU is connected with A/D converter, data compiler 4, DLP driving circuit 5, motor drive circuit 5A, bulb circuit 5C respectively, and they are carried out programmed control respectively.

Also be provided with audio process and reach the TDA7273A audio power amplifying circuit 2E and the loudspeaker 2F of level thereafter, be used for audio signal and sound and amplify, realize ANTENN AUDIO teaching lecture.

Between described sound card circuit 1D and audio process TPAO172, be provided with audio frequency bluetooth module 2D.

Also be provided with the USB1.0/2.0/IEEE1394 interface circuit 1C that is connected with central processing unit 2, and the recreation, industry control/numerical control and the serial ports 1E that exchange visits with the INTER chipset of central processing unit 2.

Its main signalling channel is as follows:

(1) IDE or ATA hard disk communication module 1A → central processing unit 2 → video card circuit 1G → A/D converter and data compilation 4 (DLP circuit) → DLP driving circuit 5 → DMD micro mirror driving circuit 6 → DMD micro mirror 7 → camera lens 8;

(2) video card circuit 1G VGA → A/D converter and data compiler 4 (DLP circuit) → MCU → DMD micro mirror driver DAD1000 → DMD micro mirror 7;

(3) DLP driving circuit 5 → MCU → motor drive circuit 5A → motor colour wheel 5B → camera lens 8 → Projection Display;

(4) DLP driving circuit 5 → MCU → bulb circuit 5C → bulb 5D → camera lens 8 → Projection Display;

(5) simulated audio signal of sound card circuit 1D → audio process TPAO172 → audio power amplifying circuit TDA7273A → loudspeaker 2F.

Can realize the overall process of multimedia overhead projector displayed image and transmission sound easily by above-mentioned this embodiment of signalling channel.

Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (5)

1. the removable computer of a Projection Display, comprise central processing unit, being used for of being connected with described central processing unit information exchanged visits and the hard disk communication module IDE of storage or ATA, the CD/VCD/DVD CD-ROM drive circuit, sound card circuit, video card circuit and the interface thereof that are connected with described central processing unit respectively, the network interface card circuit that is used to be connected to the INTENT network, described network interface card circuit is connected with described central processing unit, so that the user directly roams in network by native system, and keyboard, mouse, described keyboard, mouse are connected with described central processing unit, it is characterized in that:

Be provided with the DLP circuit that is connected with described video card circuit, described DLP circuit comprises A/D converter and data compiler;

Be provided with and comprise that bulb and bulb circuit are used for reducing image process and provide the bulb of visible rays to light control system, and comprise that camera lens is used for the optical lens imaging system of imaging.

Be provided with and be used for lighting the digital micro-mirror device of the GTG signal of finishing image under the control system cooperation and the DLP driving circuit and the digital micro-mirror device driving circuit of its usefulness of driving at bulb;

Also be provided with the motor colour wheel of the described camera lens of control and the motor drive circuit of its usefulness of driving, described motor colour wheel also is connected with described bulb circuit with described digital micro-mirror device respectively;

Also be provided with the DLP microcontroller, described microcontroller is connected with described A/D converter, data compiler, DLP driving circuit, motor drive circuit, bulb circuit respectively.

2. according to the removable computer of the described Projection Display of claim 1, it is characterized in that:

Also be provided with audio process and reach the audio frequency audio power amplifying circuit and the loudspeaker of level thereafter.

3. according to the removable computer of claim 1 or 2 described Projection Display, it is characterized in that:

Between described sound card circuit and audio process, be provided with the audio frequency bluetooth module.

4. according to the removable computer of the described Projection Display of claim 3, it is characterized in that:

Also be provided with the USB1.0/2.0/IEEE1394 interface circuit that is connected with described central processing unit.

5. according to the removable computer of the described Projection Display of claim 4, it is characterized in that:

Also be provided with recreation, industry control/numerical control and the serial ports of exchanging visits with the INTER chipset of described central processing unit.

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