CN202872960U - Intelligentized and small-sized DLP acoustic image projector - Google Patents
Intelligentized and small-sized DLP acoustic image projector Download PDFInfo
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- CN202872960U CN202872960U CN 201220527142 CN201220527142U CN202872960U CN 202872960 U CN202872960 U CN 202872960U CN 201220527142 CN201220527142 CN 201220527142 CN 201220527142 U CN201220527142 U CN 201220527142U CN 202872960 U CN202872960 U CN 202872960U
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Abstract
The utility model discloses an intelligentized and small-sized DLP acoustic image projector. The projector comprises a casing and a circuit board which is arranged in the casing and contains a master control module and a peripheral circuit thereof, the casing is provided with a composite interface, a sampling module of the master control module scans the working state of the composite interface at regular time, a recognition module of the master control module determines a working interface in the composite interface according to the sampling level obtained by the sampling module, the recognition module sends out a control signal to a control module of the master control module, and the control module controls the conduction of an electronic switch connected with the working interface in the composite interface. Due to adoption of the DLP projection technology, the multifunctional composite interface and a control circuit, the intelligentized and small-sized DLP acoustic image projector has the advantages of small size, high luminance, high resolution ratio, high contrast ratio, strong endurance capacity and portability.
Description
Technical field
The utility model relates to a kind of digital light and processes (Digital Light Procession is called for short DLP) technology, the acoustic image projector that especially a kind of intellectuality and volume are little.
Background technology
The micro projection Display Technique mainly contains LCD, DLP and LCOS technology at present.
The LCD technology is to rely on liquid crystal projection imaging know-why, with light by filter, lens wearer etc. with equalizing light rays with after proofreading and correct, again planoconvex lens and polarizer polarization, see through at last three liquid crystal display screens of red, green, blue, drive each pixel on the liquid crystal display screen by circuit board and open and close in order and form projected image.Because liquid crystal display screen light transmission efficient is very low, can't use led light source, can't fundamentally solve contrast and be difficult for improving, the light source caloric value is large, and follow-up maintenance cost is high, can't miniaturization, the puzzlement of the problem such as volume is large.
What the LCOS technology relied on is single chip single crystal silicon catoptric imaging know-why, but exists the technology barrier many, and difficulty is large, and yield is low, industrialization advances the problems such as slow, has limited its development aspect microminiaturized.
The core parts of DLP technology are DMD micro mirror chips, consist of pixel by countless little reflective mirrors, come imaging by controlling each pixel reflects, be at present the most applicable, effect is best, most potential little projection display technique.Continuous progress along with DLP shadow casting technique, led light source brightness gets a promotion on the one hand, dmd chip has overcome a series of technology barriers on the other hand, and that volume can be accomplished is very little, resolution also can be accomplished very highly, and this has accelerated microminiaturization development of DLP shadow casting technique to a great extent.But existing DLP micro-projector, existing product from the market, the following defective of ubiquity: the one, connect different video signal sources and information carrier equipment in order to refute, what adopt all is discrete interfaces, cause on the micro projector interface more, neither attractive in appearance, be unfavorable for again casing internal structure layout, be difficult to make more miniaturization of micro-projector.The 2nd, owing to adopting interface more, taken a large amount of surface of shell spaces, the area of louvre will reduce relatively, is unfavorable for light source heat radiation, cause electronic device and IC chip temperature too high, machine performance is unstable, display effect is poor, reduce the drawback such as equipment life.The 3rd, because perforate is more, so that under the equal volume, be difficult to the enclosure interior layout, limited the ray machine that uses relatively high power, cause the raising of projection brightness to be restricted.The 4th, the vision signal conversion needs manually control, makes user's complex operation, has increased operation easier, is not easy to operate fool.The 5th, owing to adopting discrete video port, the user connects the just special-purpose signal connecting line of needs purchase of different equipment, has increased user's use cost.
The utility model content
In order to overcome the problems referred to above, the utility model provides a kind of intellectuality and the little DLP acoustic image projector of volume to society.
The technical solution of the utility model provides a kind of intellectuality and the little DLP acoustic image projector of volume, comprise casing and be arranged on the interior circuit board that includes main control module and peripheral circuit thereof of casing, be provided with compound interface at described housing, the operating state of the sampling module timing scan compound interface of described main control module, the sampled level that the identification module of main control module obtains according to sampling module is judged the working interface in the compound interface, described identification module sends control signal to the control module of main control module, the electronic switch conducting that control module control is connected with working interface in the compound interface.
As to improvement of the present utility model, described compound interface is two-in-one compound interface, and described two-in-one compound interface is the complex by any two kinds of interfaces in VGA, AV, HDMI and the USB interface.
As to improvement of the present utility model, described compound interface is three-in-one compound interface, and described three-in-one compound interface is the complex by any three kinds of interfaces in VGA, AV, HDMI and the USB interface.
As to improvement of the present utility model, described compound interface is the compound interfaces of four unifications, and the compound interfaces of described four unifications are to be composited by VGA, AV, HDMI and USB interface.
As to improvement of the present utility model, be provided with power button at the upper bottom surface of housing, be provided with volume adjusting at the circumference of described power button and touch annular slab.
The utility model is owing to having adopted DLP shadow casting technique, multi-functional compound interface and control circuit thereof, so that the utlity model has the advantage that volume is little, brightness is high, resolution is high, contrast is high, flying power is strong and be convenient for carrying.
Description of drawings
Fig. 1 is the perspective view of a kind of embodiment of the utility model.
Fig. 2 is the schematic diagram at another visual angle of Fig. 1.
Fig. 3 is the utility model circuit principle structure schematic diagram.
Embodiment
See also Fig. 1 and Fig. 2, what Fig. 1 and Fig. 2 disclosed is the little DLP acoustic image projector of a kind of intellectuality and volume, comprise casing 1 and the circuit board that includes main control module and peripheral circuit thereof that is arranged in the casing 1, be provided with compound interface 11 at described housing 1, the operating state of the sampling module timing scan compound interface 11 of described main control module, the sampled level that the identification module of main control module obtains according to sampling module is judged the working interface in the compound interface 11, described identification module sends control signal to the control module of main control module, the electronic switch conducting that control module control is connected with working interface in the compound interface 11.
In the utility model, described compound interface 11 can be two-in-one compound interface, and described two-in-one compound interface is the complex by any two kinds of interfaces in VGA, AV, HDMI and the USB interface.Perhaps, described compound interface 11 is three-in-one compound interfaces, and described three-in-one compound interface is the complex by any three kinds of interfaces in VGA, AV, HDMI and the USB interface.Perhaps, described compound interface 11 is compound interfaces of four unifications, and the compound interface of described four unifications is to be composited by VGA, AV, HDMI and USB interface.
Be provided with power button 12 and the volume adjusting touch annular slab 13(volume adjusting touch annular slab 13 clockwise rotation increase volumes that touch at housing 1 upper bottom surface; Touch counterclockwise rotation and reduce volume); Be respectively arranged with four at housing 1 lower surface and be used for the screw hole of locking upper-lower casing, four feets, threaded hole and a bellmouth orifice that is used for installing A-frame; Be provided with a projection window 14 and a front louvre 15 at housing 1 leading flank; Compound interface 11 is located on housing 1 trailing flank, also is provided with an audio output interface AUDIO17 on trailing flank, louvre 19 behind DC power supply interface DC IN18 and; Be provided with a focus adjustment knob 20 and the first side louvre 21 at housing 1 left surface; Be provided with the second louvre 16 at the housing right flank.
See also Fig. 3, summarize implementation method of the present utility model:
At first confirm to connect the signal type of vision signal, select accordingly correct the machine subsidiary vision signal patchcord or dongle, and patchcord or dongle are connected, then press power switch button 12, start the machine.Behind the machine startup, each the voltage stabilizing chip in the power module provides required supply voltage for inner each module, and makes each functional module normal operation.
Main control module carries out work according to the software timing that institute's burning enters the independent research design in the master control module, at first main control module is to compound interface 11 automatic sampled level signals, main control module is according to the DC level numerical value of the respective pin of obtained compound interface 11, can judge automatically that the vision signal that compound interface 11 accesses is AV, VGA or HDMI type, and send instruction to electronic switch, open corresponding electronic switch vision signal is input in the main control module respective handling circuit.
After main control module imports to the respective handling circuit with video compositing signal, at first composite signal is separated into vision signal and audio signal and also processes respectively.For analog video signal (AV, the VGA signal) at first sends in the decoding circuit and decode, then send into and convert analog video signal to the digital rgb vision signal in A/D change-over circuit (the HDMI signal directly is digital video signal, the front all right one way or the other step can omit), through past interlacing treatment circuit interleaved vision signal unification is become the vision signal of lining by line scan again, send to again the vision signal that image scaling treatment circuit (SCALER) becomes the vision signal unification of different resolution the Transistor-Transistor Logic level of the 854*480 resolution that the utility model adopts, then signal is input in the bare engine module, drives the ray machine Projection Display.After audio signal is then processed through corresponding sound effect processing circuit and audio power amplifier circuit etc., output to built-in loudspeaker and image synchronization playback or be transported to AUDIO interface 10 and be connected outside audio amplifier and carry out synchronous playback.
The utility model has adopted the HDMI compound interface with four unifications for the existing more defective of projecting apparatus discrete interfaces, and the utility model only adopts three interfaces:
1. the compound HDMI interface that has four unification functions;
2. audio output interface AUDIO;
3. DC power supply input interface DC IN;
Omitted a plurality of interfaces such as VGA, AV, USB, so that handsome in appearance beautiful, arrange in the housing of smaller size smaller that conveniently more parts are to increase the micro-projector function.Volume of the present utility model only is 90mm*100mm*29mm., in so little volume the utility model built-in high power, high-resolution DLP ray machine, the projecting apparatus brightness of this utility model is reached more than 100 lumens, resolution reaches 854*480; The simultaneously built-in high power capacity rechargeable battery of 3000mAh makes flying power of the present utility model above one hour.
The utilization of this compound interface, greatly saved the area that utilizes of housing side, so that the utility model all is provided with louvre four sides, more louvre has improved heat sinking function of the present utility model effectively, can make on the one hand DLP ray machine that the utility model can use higher-wattage to improve brightness, simultaneously internal electronic component and chip are worked under lower temperature, so that the utility model stable performance, display quality is excellent, have high reliability and reliability,
In order to realize four unification functions of compound HDMI interface, three HDMI/HDMI, VGA/HDMI, the AV/HDMI of the subsidiary independent research of the utility model, vision signal patchcord and a dongle, thereby so that the utility model can connect by only compound HDMI video signal input terminal mouth with four unification functions VGA, AV port and the USB flash disk of distinct device, can refute and connect multiple different video type equipment, the utility model be used more extensive.
It is worth mentioning that, the utility model can be realized wireless networking capabilities by the subsidiary dongle of pegging graft, simultaneously on the dongle with the USB mouth, this USB mouth auxiliary wireless networking capabilities such as keyboard, mouse, mark of can pegging graft; This USB mouth can also connect the information carriers such as USB flash disk, portable hard drive, and the video files in the broadcast information carrier is also supported to play the document files such as PPT, EXCEL, WORD, to make things convenient for the usefulness of teaching, meeting and the products Presentation of going on business simultaneously.
Need manually operated defective for existing projecting apparatus video signal type switching, the utility model adopts high-speed intelligent electric scanning design, with the software systems burning of independent research in the main control module chip, be equipped with again low on-resistance, broadband, multi-channel video signal electronic switch, thereby realize the compound port of High-Speed Automatic periodic scan HDMI, automatic decision vision signal input type also automaticallyes switch.This high-speed intelligent electric scanning design scan period is 3-5 second only, has overcome the red tape of manual designs by this design, has realized popular and fool operating function.
Claims (5)
1. an intellectuality and the little DLP acoustic image projector of volume, comprise casing (1) and be arranged on the interior circuit board that includes main control module and peripheral circuit thereof of casing (1), it is characterized in that: be provided with compound interface (11) at described housing (1), the operating state of the sampling module timing scan compound interface (11) of described main control module, the sampled level that the identification module of main control module obtains according to sampling module is judged the working interface in the compound interface (11), described identification module sends control signal to the control module of main control module, the electronic switch conducting that control module control is connected with working interface in the compound interface (11).
2. the DLP acoustic image projector that intellectuality according to claim 1 and volume are little, it is characterized in that: described compound interface (11) is two-in-one compound interface, and described two-in-one compound interface is the complex by any two kinds of interfaces in VGA, AV, HDMI and the USB interface.
3. the DLP acoustic image projector that intellectuality according to claim 1 and volume are little, it is characterized in that: described compound interface (11) is three-in-one compound interface, and described three-in-one compound interface is the complex by any three kinds of interfaces in VGA, AV, HDMI and the USB interface.
4. the DLP acoustic image projector that intellectuality according to claim 1 and volume are little is characterized in that: described compound interface (11) is the compound interface of four unifications, and the compound interface of described four unifications is to be composited by VGA, AV, HDMI and USB interface.
5. the DLP acoustic image projector that intellectuality according to claim 1 and volume are little is characterized in that: the upper bottom surface at housing (1) is provided with power button (12), is provided with volume adjusting at the circumference of described power button (12) and touches annular slab (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527142 CN202872960U (en) | 2012-10-16 | 2012-10-16 | Intelligentized and small-sized DLP acoustic image projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527142 CN202872960U (en) | 2012-10-16 | 2012-10-16 | Intelligentized and small-sized DLP acoustic image projector |
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| Publication Number | Publication Date |
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| CN202872960U true CN202872960U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220527142 Expired - Fee Related CN202872960U (en) | 2012-10-16 | 2012-10-16 | Intelligentized and small-sized DLP acoustic image projector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378567A (en) * | 2014-12-06 | 2015-02-25 | 深圳市康凯斯信息技术有限公司 | Portable DLP multimedia intelligent cloud projecting system |
| CN109246401A (en) * | 2017-04-28 | 2019-01-18 | 中航国画（上海）激光显示科技有限公司 | A kind of DLP laser projection system |
-
2012
- 2012-10-16 CN CN 201220527142 patent/CN202872960U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378567A (en) * | 2014-12-06 | 2015-02-25 | 深圳市康凯斯信息技术有限公司 | Portable DLP multimedia intelligent cloud projecting system |
| CN109246401A (en) * | 2017-04-28 | 2019-01-18 | 中航国画（上海）激光显示科技有限公司 | A kind of DLP laser projection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: SHANGHAI GREAT WALL COMPUTER NETWORK ENGINEERING CO., LTD. Document name: Notification that Application Deemed not to be Proposed |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20181016 |