CN101576704A

CN101576704A - Portable projector

Info

Publication number: CN101576704A
Application number: CNA200910040417XA
Authority: CN
Inventors: 凌代年; 罗翔; 周剑波; 张春苑
Original assignee: Guangzhou Darling Industrial Inc
Current assignee: Guangzhou Darling Industrial Inc
Priority date: 2009-06-19
Filing date: 2009-06-19
Publication date: 2009-11-11

Abstract

The invention provides a portable projector. The projector comprises an upper shell, a lower shell, an optical unit and a control mainboard, wherein the optical unit is connected with the control mainboard; connection of the upper shell and the lower shell encapsulates the optical unit and the control mainboard inside; the upper shell is provided with a touch pad, a left key and a right key; the touch pad, the left key and the right key are connected with the control mainboard; and an embedded operating system, namely a Windows CE system, and related initial codes are loaded in a program memory medium of the control mainboard. The portable projector has the advantages that the volume of the projector is reduced while the projecting size and lightness are ensured so that miniature portability is realized; the projector can complete functions of basic daily business, such as projecting PPT, reading documents, entertainment, playing music and movies and the like, can be separated from a PC and used independently, and can be linked with the PC and used as a USB flash drive at the same time; the projector is provided with the corresponding touch pad and the left and right keys so as to facilitate operation; and the projector is provided with an independent battery which can be used for over 1 hour without a power supply, and can electrifyingly and unlimitedly work at the same time.

Description

Portable projector

Technical field

The present invention relates to the projector field, be specially a kind of mini-session or portable projector that uses as the electronic entertainment consumer goods of being applicable to.

Background technology

At present, prevailing on the projector market is large-scale projector equipment, and its main parts are ray machine groups.This projector links to each other with PC by serial ports, shows the content of PC screen, and main effect is the content of PC screen to be amplified show, mainly is used in commercial type, study and academic exchange places such as meeting, teaching or problem lecture.

Above-mentioned large-scale projector equipment has the following disadvantages: (1) volume is big, can only fix and places such as meeting room or classroom, is not easy to carry, and uses inconvenient; (2) cost an arm and a leg, be unfavorable for universal to family; (3) only can be the use that links to each other with PC, not have independently operating system, can't use by independent operating, lack of wisdomization, usable range is narrow; (4) must be connected with mains supply, not be equipped with independently power supply, when having a power failure, can't use.

The deficiency that large-scale projector equipment is above has seriously hindered its extension to household electrical appliances market, can't satisfy modern people to the compact requirement of household electrical appliance.

Summary of the invention

The objective of the invention is deficiency, the portable projector that a kind of volume is little, that be equipped with independent current source, embed SOS, energy independent operation and excellent radiation performance is provided at the above large-scale projector equipment existence.

The present invention is achieved in that portable projector, comprises upper casing, lower casing, ray machine group and control main board, and the ray machine group is connected with control main board, and upper casing is connected with lower casing ray machine group and control main board are encapsulated in inside; Described upper casing is provided with Trackpad and right and left key, and Trackpad is connected with control main board with right and left key.

Described control main board is provided with and comprises that the MCU module reaches the LCOS panel module that is connected with the ray machine group with the memory device module that is connected with the MCU module, USB mouse and touch panel module, USB interface, audio frequency output module; USB mouse and touch panel module are connected with right and left key with Trackpad; The memory device module comprises Installed System Memory, program storage medium and SD card External memory equipment, has loaded embedded OS and relevant setup code in program storage medium.

Described embedded OS can be the Windows CE system of Microsoft's exploitation.

Described control main board can be the pillar location by upper casing and lower casing attachment screw, and screw retention is on lower casing; Right and left key can be to be buckled on the upper casing by button bit; Trackpad can be amplexiformed on stator by the fixedly foam of two-sided gum, and then with screw stator is fixed on the upper casing; The ray machine group is by the screw retention of locating piece, and its rear end has the FPC plate to link to each other with connector on the control main board.

The LED lamp of described ray machine group heating face closely contacts by thermal paste with heat radiator, heat radiator by screw retention in lower casing.

The upper casing and the lower casing corresponding position at described heat radiator place are provided with corresponding louvre, go so that the hot gas in the heat radiator is dispersed in the air.

Described upper casing is provided with pilot lamp, and pilot lamp is installed on the lamp plate, and lamp plate is to be fixed on the lower casing by heat radiator with screw.

Be provided with the battery compartment of placing battery in the described lower casing, be provided with supplying cell in the battery compartment, the rear end of battery compartment communicates with battery connector on being welded on control main board, is movably set with the battery cover that can freely dismantle on battery compartment.

The camera lens part of described ray machine group is provided with dial, and dial can be to be connected with button bit buckle on the ray machine set of shots by button bit, is used for stirring camera lens, to realize micro-focusing action.

Described upper casing and lower casing are that kirsite is made into, and have been provided with the center of buffer action between upper casing and lower casing, and center is connected by himself buckle position and upper casing and lower casing.

Compare with existing projector, the present invention has following advantage: usable floor area is 640*480, and brightness is the ray machine group of 10 lumens, has reduced the projector volume size when both guaranteeing projected size and brightness, realizes miniature portableization; Be embedded in independently WinCE operating system, can finish that PPT, reading file, entertainment music are thrown in daily substantially commercial affairs, function such as show a film, can break away from PC fully to use separately, also can use when USB flash disk simultaneously with PC is online; Corresponding touch pad and right and left key are set, have made things convenient for operation; Be equipped with independent battery, can non-transformer work more than 1 hour, work when simultaneously can be charged unlimited.

Description of drawings

Fig. 1 is the imaging schematic diagram of ray machine group;

Fig. 2 is the hardware structure theory diagram of portable projector of the present invention;

Fig. 3 is the stereographic map 1 of portable projector of the present invention;

Fig. 4 is the stereographic map 2 of portable projector of the present invention;

Fig. 5 is the cut-open view of portable projector of the present invention;

Fig. 6 is the wiring layout of portable projector of the present invention.

Wherein, 1 is control main board, and 2 is upper casing, and 3 is right and left key, 4 are fixing foam, and 5 is Trackpad, and 6 is stator, and 7 is the ray machine group, 8 is lamp plate, and 9 is dial, 10 case rings, and 11 is center, 12 is heat radiator, and 13 is lower casing, and 14 is fixed block, 15 is battery cover, and 16 is battery, and 17 is power key, 18 is nameplate, and 20 is loudspeaker, and 21 is louvre.

Embodiment

Below in conjunction with drawings and Examples portable projector of the present invention is described in further detail.

Portable projector image-forming principle of the present invention as shown in Figure 1, at first led light source scioptics group is radiated on the PBS prism, the PBS prism with source reflection to the LCOS panel, store on the LCOS panel and need content displayed, reflected light by LCOS panel 22 just has displaying contents like this, and reflected light just is formed into picture by camera lens and shows on screen 22.

System hardware architecture principle block diagram of the present invention, as shown in Figure 2, the MCU module can adopt the AK7802 chip, costing the peripheral circuit module and the memory device module can be arranged, audio frequency output module, USB mouse and touch panel module, USB interface, power module and the LCOS panel module that is connected with the ray machine group etc. at the AK7802 chip.Also can carry other corresponding consumer electronics common function modules according to concrete needs.The LCOS panel module is to be used for receiving the RGB image information that the AK7802 chip shows, itself and LED driver come together to form the part of ray machine group 7.Memory device module wherein comprises DDR Installed System Memory, program storage medium and SD card External memory equipment etc., and wherein program storage medium is Nand Flash, has wherein loaded embedded OS supervisor and relevant setup codes such as device drives.The platform Windows CE system of the embedded OS that loads in the program storage medium novel information equipment that can be Microsoft develop again based on WIN32API.Windows CE have modularization, structuring and based on the Win32 application programming interfaces and with characteristics such as processor is irrelevant; Windows CE has not only inherited traditional Windows graphical interfaces in addition, and on Windows CE platform, can use same function, the same look ﹠ feel of use of programming tool (as Visual Basic, Visual C++ etc.), use on the Windows 95/98, make most application software only need simple modification and transplanting just can on Windows CE platform, continue to use.

As Fig. 3～shown in Figure 6, portable projector comprises upper casing 2, lower casing 13, ray machine group 7 and control main board 1, and control main board 1 is fixed in the lower casing 13, and control main board 1 is connected with ray machine group 7; Upper casing 2 is connected with lower casing 13 ray machine group 7 and control main board 1 is encapsulated in its inside.Upper casing 2 is provided with Trackpad 5 and right and left key 3, and Trackpad 5 is connected with control main board 1 with right and left key 3.Control main board 1 is provided with and comprises that the MCU module reaches the LCOS panel module that is connected with the ray machine group with the memory device module that is connected with the MCU module, USB mouse and touch panel module, USB interface, power module; USB mouse and touch panel module are connected with right and left key with Trackpad; The memory device module comprises Installed System Memory, program storage medium and SD card External memory equipment, has loaded relevant setup codes such as embedded OS and hardware driving in program storage medium.

Upper casing 2 can be to be connected by the screw on its four angles with lower casing 13, and control main board 1 can be the pillar location by upper casing 2 and lower casing 13 attachment screws, adopts two screw retention on lower casing 13.Right and left key 3 can be to be buckled on the upper casing 2 by button bit.Trackpad can be amplexiformed on stator 6 by the fixedly foam 4 of two-sided gum, and then with screw stator 6 is fixed on the upper casing 2.Ray machine group 7 is by the screw retention of locating piece 14, and its rear end has FPC plate (flexible circuit board) to link to each other with connector on the control main board 1.The LED lamp of ray machine group 7 heating face and heat radiator 12 closely contact by thermal paste, and heat radiator 12 contacts the effect of playing fixed light unit 7 simultaneously with the LED lamp heating face of ray machine group 7.Be provided with corresponding some louvres 21 at upper casing 2 and lower casing 13 corresponding heat radiator 12 places, go so that the hot gas in the heat radiator 12 is dispersed in the air.Upper casing 2 is provided with pilot lamp, and pilot lamp is installed on the lamp plate 8, and lamp plate 8 is to be fixed on the lower casing 13 by heat radiator 12 with screw; Lamp plate 8 simultaneously also partial fixing heat radiator 12.Heat radiator 12 can stably be fixed on it on lower casing 13 by several places screw.

Upper casing 2 and lower casing 13 are made into for kirsite, have been provided with the center 11 of buffer action between upper casing 2 and lower casing 13, and center 11 is connected by himself buckle position and upper casing 2 and lower casing 13.Be provided with the battery compartment of placing battery in the lower casing 13, the battery 16 of power supply is arranged in the battery compartment.The rear end of battery compartment communicates with battery connector on being welded on control main board 1.Be movably set with the battery cover 15 that freely to dismantle on the battery compartment.Battery cover 15, can take off or buckle, so that change battery 16 at any time on lower casing 13 very easily by the button bit bayonet socket on it.Camera lens part in ray machine group 7 is provided with dial 9, and dial 9 is by the button bit buckle on button bit and ray machine group 7 camera lenses, stirs camera lens, to realize micro-focusing action.Upper casing 2 and lower casing 13 are provided with the dial preformed hole, so that fluctuation dial 9.Can be provided with case ring 10 on camera lens part, case ring 10 is stuck on upper casing 2, lower casing 13 and the center 11 corresponding protruding positions by the groove in the middle of it, realizes the location.In the groove of lower casing 13, be provided with loudspeaker 20, so that voice output.Loudspeaker 20 can be to use sticker on lower casing.In upper casing 2 corresponding groove positions, be pasted with nameplate 18, to show corresponding product information.Go out to be provided with power key 17, USB interface, interfaces such as SD card slot with corresponding after lower casing 13 is connected at upper casing 2.

Claims

1, portable projector comprises upper casing, lower casing, ray machine group and control main board, and the ray machine group is connected with control main board, and upper casing is connected with lower casing ray machine group and control main board are encapsulated in inside; It is characterized in that: described upper casing is provided with Trackpad and right and left key, and Trackpad is connected with control main board with right and left key.

2, portable projector as claimed in claim 1 is characterized in that: described control main board is provided with and comprises that the MCU module reaches the LCOS panel module that is connected with the ray machine group with the memory device module that is connected with the MCU module, USB mouse and touch panel module, USB interface, audio frequency output module; USB mouse and touch panel module are connected with right and left key with Trackpad; The memory device module comprises Installed System Memory, program storage medium and SD card External memory equipment, has loaded embedded OS and relevant setup code in program storage medium.

3, portable projector as claimed in claim 2 is characterized in that: described embedded OS is the Windows CE system of Microsoft's exploitation.

4, portable projector as claimed in claim 1 is characterized in that: described control main board is the pillar location by upper casing and lower casing attachment screw, by screw retention on lower casing; Right and left key is to be buckled on the upper casing by button bit; Trackpad is amplexiformed on stator by the fixedly foam of two-sided gum, stator by screw retention on upper casing; The ray machine group is by the screw retention of locating piece, and its rear end is provided with the FPC plate and links to each other with connector on the control main board.

5, portable projector as claimed in claim 4 is characterized in that: the LED lamp of described ray machine group heating face closely contacts by thermal paste with heat radiator, heat radiator by screw retention in lower casing.

6, portable projector as claimed in claim 5 is characterized in that: the upper casing and the lower casing corresponding position at described heat radiator place are provided with corresponding louvre.

7, portable projector as claimed in claim 4 is characterized in that: described upper casing is provided with pilot lamp, and pilot lamp is installed on the lamp plate, and lamp plate is to be fixed on the lower casing by heat radiator with screw.

8, as claim 1 or 4 described portable projectors, it is characterized in that: be provided with the battery compartment of placing battery in the described lower casing, be provided with supplying cell in the battery compartment, the rear end of battery compartment communicates with battery connector on being welded on control main board, is movably set with battery cover on battery compartment.

9, as claim 1 or 4 described portable projectors, it is characterized in that: the camera lens part of described ray machine group is provided with dial, and dial is to be connected with button bit buckle on the ray machine set of shots by button bit.

10, portable projector as claimed in claim 1 is characterized in that: described upper casing and lower casing are that kirsite is made into, and have been provided with the center of buffer action between upper casing and lower casing, and center is connected by himself buckle position and upper casing and lower casing.