CN203275867U - Projector - Google Patents
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- CN203275867U CN203275867U CN201320286400.4U CN201320286400U CN203275867U CN 203275867 U CN203275867 U CN 203275867U CN 201320286400 U CN201320286400 U CN 201320286400U CN 203275867 U CN203275867 U CN 203275867U
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- projector
- micromirror device
- digital micromirror
- driving circuit
- ray machine
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Abstract
The embodiments of the utility model disclose a projector. The projector comprises a signal processor, a signal converter, an optical-machine driver, an optical-machine module and a projection lens. The optical-machine module comprises an LED light source, an optical-path system and a digital micromirror device which are arranged successively. The optical-machine driver comprises an LED light-source driving circuit and a digital micromirror device driving circuit. The signal processor is connected with an input end of the signal converter, an output end of the signal converter is connected with an input end of the LED light-source driving circuit and an input end of the digital micromirror device driving circuit, an output end of the LED light-source driving circuit is connected with the LED light source, an output end of the digital micromirror device driving circuit is connected with the digital micromirror device, and the projection lens is arranged behind the digital micromirror device. The projector provided by the embodiments of the utility model can be connected with a plurality of multimedia equipment by utilizing an MHL which is one type of interface, and the projector has the advantages of portability, environmental protection, long service life, low power consumption, high resolution and strong color expressive force.
Description
Technical field
The utility model relates to a kind of projector, definitely, relates to a kind of projector that uses LED light source and Digital Micromirror Device.
Background technology
Along with expanding economy and growth in the living standard, more and more many for the demand of home theater; People extremely thirst for experiencing the impression as cinema at home.The video device of home theater use at present is mainly traditional mercury lamp formula projector or large-screen receiver.These 2 kinds of equipment characteristics can not satisfy the demand that people see a film at home, but bring a lot of problems simultaneously.
Use the shortcoming of traditional mercury lamp formula projector to be: 1) serviceable life is short.The life-span of bulb is calculated (5 hours every days) on average at 2000 hours with family expenses, uses namely will more change the bulb in 1.5 years the expense that more changes the bulb very expensive (average 1000 yuan); 2) power consumption is large, noise is large, radiation is large, and the conventional projector average power consumption surpasses 260 watts, need 4 fans, noise very large, simultaneously radiation, very inapplicable family arranged; 3) brightness is too high, and conventional projector generally all surpasses 2000 lumens, sees a film at home more dazzling; 4) a little less than color representation power, the conventional projector colour gamut is very narrow, and rich color degree and level are undesirable; 5) use function singleness.
Use the shortcoming of immovable other display devices such as large-screen receiver to be: 1) cost is high, and home theater generally needs to surpass the TV (price is more than 30,000) more than 70 cun; 2) have radiation, floor area too large, televisor is because of directly radiation, so viewing distance is longer, needs very large room.Can not watch for a long time because of the radiation reason simultaneously; 3) power consumption is large, the electricity charge are many, and the power consumption of the TV over 50 cun is more than 250 watts, and power consumption is more; 4) the movie theatre effect is bad, and the televisor colour gamut is narrow, and color representation power is not strong, simultaneously a little less than the image stereovision; 5) connectivity is poor, can not effectively support the connection of individual mobile device; 6) mobility is poor, and other display equipment all needs external power supply to use, and does not have the place of power supply supply to use at some; 7) can't give the multimedia equipment charging that is connected with display device.
The utility model content
The purpose of this utility model is to provide a kind of projector, is intended to solve the defects of prior art.
In order to realize the purpose of this utility model, described projector comprises signal processor, signal converter, ray machine driver, ray machine module and projection lens; Wherein
Described ray machine module comprises LED light source, light path system and the Digital Micromirror Device of arranging in turn;
Described ray machine driver comprises LED light source driving circuit and Digital Micromirror Device driving circuit;
Described signal processor connects the input end of described signal converter, the output terminal of described signal converter connects respectively the input end of described LED light source driving circuit and the input end of described Digital Micromirror Device driving circuit, the output terminal of described LED light source driving circuit connects the input end of described LED light source, the output terminal of described Digital Micromirror Device driving circuit connects the input end of described Digital Micromirror Device, after described projection lens is arranged in described Digital Micromirror Device.
Further, described LED light source comprises red-light LED array, green light LED array and blue-ray LED array; Described light path system comprises the first collimation lens, the second collimation lens and the 3rd collimation lens that is oppositely arranged respectively with described red-light LED array, green light LED array and blue-ray LED array.
Further, described projector also comprises heat abstractor, and described heat abstractor comprises heat pipe, radiating fin and small blast fan; Wherein
The thermal source of described heat pipe and described light path system, Digital Micromirror Device and projection lens is close to setting, and described radiating fin is around being arranged on around described heat pipe, and the air supply direction of described small blast fan is over against described radiating fin.
Further, described projector also comprises the battery that is connected with described signal processor, described signal converter, described ray machine driver, described ray machine module respectively.
Further, described projector also comprises the battery-operated plate that is connected with described battery, and described signal processor, described signal converter, described ray machine driver and described battery-operated plate are integrated into a motherboard.
Further, described projector also comprises the MHL interface that described signal processor connects.
Further, described projector also comprise with described ray machine module be connected detection and the adjusting gear that the ray machine driver is connected, be used for automatically detecting white balance, color and the colour temperature of whole system when work of described projector, and automatically adjust the state of the whole system of described projector.
Further, described projector also comprises loudspeaker and the lifting foot that is used for adjusting the projects images height that is arranged on described projector bottom.
The utility model and the contrast of prior art platform have following advantage and positive effect:
1. owing to using novel LED light source, directly beneficial effect is greatly to have promoted serviceable life (life-span of LED light source is more than 20,000 ten thousand hours), and family can reach 15 years service time; Ten times of traditional mercury lamp formula projector.Use in addition Novel LED light source, its power consumption is equivalent to the 1/8-1/10 of bulb or large-screen receiver, and environmental protection and energy-saving effect are remarkable.The colour gamut of LED light source is far longer than bulb and liquid crystal simultaneously; Therefore the expressive force of color is much better than conventional projector and LCD TV, substantially can reaches the effect of movie theatre level.
2. owing to adopting the digital micro-mirror imaging system, keep all lights of source images and subtlety, the reducing power of image has been strengthened greatly, can reach the level of movie theatre level; Secondly, the employing of Digital Micromirror Device can maximizedly utilize the sharpness of LED light source and maximized maintenance image.Therefore, the image effect seen of user is far superior to legacy equipment.
3. by the software platform of special exploitation, guaranteed the consistance of the key parameters such as the white balance of whole system when the work, color, colour temperature, and can automatic detection for temperature, the state of the key message such as color and automatic adjustment system.Serviceable life, result of use, reliability and extensibility that this part has guaranteed novel device are better than the conventional projector product.
4. the utility model has been developed high integrated smart mobile phone+PC (PC) projection scheme of innovation.Design by electronic circuit and software aspect and integrated has realized that mutual between signal processor and signal converter, ray machine driver, ray machine module communicate by letter and mutually control; Make product have abundant extension of function, comprise equipment such as to connect mobile phone, game machine, notebook computer, mobile internet device (MID); Simultaneously can realize multiple connection of interface of MHL, both can connect Android (Android) mobile device by MHL, also can connect computer and TV, thereby make it connect convenience and functional considerably beyond conventional projector and other display equipment.
5. the utility model has used novel heat dissipation design, comprises the design with heat pipe+radiating fin+small blast fan, and with the air-cooled heat radiation contrast of conventional projector, radiating efficiency is high, noise is low, size is little, is fit to very much family and uses.
6. projector of the present utility model has used the design of internal battery, can move use after charging, can also possess by the function of MHL interface to equipment charges such as mobile phone and MID, realizes a tractor serves several purposes.In addition, the characteristics such as projector of the present utility model noise is low, size is little, lightweight are fit to portable mobile and use very much.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the below will do to introduce simply to the accompanying drawing of required use in embodiment, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the projector that provides of the utility model one embodiment;
Fig. 2 is the structural representation of the projector that provides of another embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 shows the structural representation of the projector that the utility model one embodiment provides.Projector of the present utility model comprises in turn signal processor 1, signal converter 2, ray machine driver 3 and the ray machine module 4 of communication connection, comprises that also the projection lens 5, the adjacent ray machine module 4 that are arranged in after the ray machine module be connected heat abstractor 6 and detection and the adjusting gear 7 that is connected of being connected with the ray machine module with ray machine driver 3 that arranges with projection lens.
Ray machine driver module 3 comprises LED light source driving circuit 31 and Digital Micromirror Device driving circuit 32, the output terminal of signal converter 2 connects respectively the input end of LED light source driving circuit 31 and the input end of Digital Micromirror Device driving circuit 32, the output terminal of LED light source driving circuit 31 connects LED light source 41, the output terminal of Digital Micromirror Device driving circuit 32 connects Digital Micromirror Device 43, and LED light source driving circuit 31 and Digital Micromirror Device driving circuit 32 can be respectively used to driving LED light source 41 and Digital Micromirror Device 43.Heat abstractor 6 comprises many heat pipes, a plurality of radiating fin and a small blast fan; Wherein the thermal source of many heat pipes and light path system 42, Digital Micromirror Device 43 and projection lens 5 is close to setting, and a plurality of radiating fins are around being arranged on around described many heat pipes, and the air supply direction of small blast fan is over against described a plurality of radiating fins.Detection and adjusting gear 7 are used for automatically detecting white balance, color and the colour temperature of whole system when work of this projector, and automatically adjust the state of the whole system of this projector.Projection lens 5 is zooms, can be by the focusing ring on the rotating and projection machine so that the image focusing advises using still image to focus.In addition, the projector that the utility model embodiment provides also comprises the battery (not shown) that is connected with signal processor 1, signal converter 2, ray machine driver 3, ray machine module 4 respectively, battery can be the high power capacity rechargeable battery, and signal processor 1, signal converter 2, ray machine driver 3 can be integrated into a motherboard with battery-operated plate.
The utility model adopts the DLP technology, and DLP is the abbreviation of " Digital Light Procession ", is digital light and processes, and that is to say that this technology is first the digital processing of signal of video signal process, and then light is projected.It is based on Digital Micromirror Device---DMD(Digital Micromirror Device) complete the technology that viewable numbers information shows.Saying specificly, is exactly that DLP shadow casting technique has used Digital Micromirror Device (DMD) and is used as main crucial treatment element to realize the digit optical processing procedure.Light source is incident upon on dmd chip by light path system, dmd chip after receiving the control signal of control panel with light emission to projection screen.The dmd chip outward appearance seems a just small pieces mirror, is encapsulated in the confined space of metal and glass composition, and in fact, this face mirror is comprised of hundreds thousand of and even up to a million micro mirrors.Take the dmd chip of XGA resolution as example, at wide 1cm, 1024 * 768=786432 micro mirror unit arranged in the area of long 1.4cm, each micro mirror represents a pixel, image just is made of these pixels.
The DLP system of projector of the present utility model can be divided into two classes.One class is monolithic DLP system, and in a single DMD optical projection system, DLP is operated in the sequential color pattern.Input signal is converted into the RGB data, and data write the SRAM of DMD in order, and the light that the red, green, blue LED array sends is penetrated on DMD according to priority.When going up to be mapped to DMD when ruddiness, eyeglass tilts to " opening " according to position and the intensity that red information should show, green and blue light and vision signal are also work like this.Human vision system is concentrated red, green, blue information and is seen a full-color image.By projecting lens, can be projected on a giant-screen at the surperficial image that forms of DMD.Another kind of is three DLP systems, in this system, because LED light source has adopted red-light LED array, blue-ray LED array and green light LED array, these three arrays comprise respectively a plurality of ruddiness, blue light and green light LED, this system uses three DMD, and a DMD is corresponding to a kind of primary colors.The main cause of using three DLP optical projection systems is in order to increase brightness.By three DMD, can directly project continuously on its DMD from the light of each primary colors.The more light of result arrives screen, provides a brighter projected image.
The projector that the utility model embodiment provides has the MHL interface that is connected with signal processor 1, the MHL interface is a kind of audio-visual standard interface that connects portable consumer electronic device, use a bars cable, can be presented on HDTV by standard HDMI input interface, it has used existing Micro USB interface, no matter be mobile phone, digital camera, digital camera and portable media player, all can directly be transferred to complete media content in projector of the present utility model and do not damage the high-resolution effect of film.The MHL interface only needs 5 pins just can provide the high-definition audio and video signal, and has ultralow working current and stand-by power consumption, and can save battery life.MHL interface and independent HDMI interface compatibility, it has also comprised integrated control of consumption (CEC) function and logic control function, and projector of the present utility model also can utilize this MHL interface to be charging of mobile devices.
The projector that the utility model embodiment provides also comprises loudspeaker and is arranged on the lifting foot that is used for adjusting the projects images height of projector bottom.In addition, this projector also has the infra-red remote control inductor, can accept the infrared control signal of telepilot, and the operations such as the start/shutdown of projector, skip forward/back, broadcast/time-out, volume are controlled.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, all any modifications of making within spirit of the present utility model and principle, is equal to and replaces and improvement etc., all should be included in protection domain of the present utility model.
Claims (8)
1. a projector, is characterized in that, described projector comprises signal processor, signal converter, ray machine driver, ray machine module and projection lens; Wherein
Described ray machine module comprises LED light source, light path system and the Digital Micromirror Device of arranging in turn;
Described ray machine driver comprises LED light source driving circuit and Digital Micromirror Device driving circuit;
Described signal processor connects the input end of described signal converter, the output terminal of described signal converter connects respectively the input end of described LED light source driving circuit and the input end of described Digital Micromirror Device driving circuit, the output terminal of described LED light source driving circuit connects the input end of described LED light source, the output terminal of described Digital Micromirror Device driving circuit connects the input end of described Digital Micromirror Device, after described projection lens is arranged in described Digital Micromirror Device.
2. projector according to claim 1, is characterized in that, described LED light source comprises red-light LED array, green light LED array and blue-ray LED array; Described light path system comprises the first collimation lens, the second collimation lens and the 3rd collimation lens that is oppositely arranged respectively with described red-light LED array, green light LED array and blue-ray LED array.
3. projector according to claim 1 and 2, is characterized in that, described projector also comprises heat abstractor, and described heat abstractor comprises many heat pipes, a plurality of radiating fin and a small blast fan; Wherein
The thermal source of described many heat pipes and described light path system, Digital Micromirror Device and projection lens is close to setting, and described a plurality of radiating fins are around being arranged on around described many heat pipes, and the air supply direction of described small blast fan is over against described a plurality of radiating fins.
4. projector according to claim 1, is characterized in that, described projector also comprises the battery that is connected with described signal processor, described signal converter, described ray machine driver, described ray machine module respectively.
5. projector according to claim 4, it is characterized in that, described projector also comprises the battery-operated plate that is connected with described battery, and described signal processor, described signal converter, described ray machine driver and described battery-operated plate are integrated into a motherboard.
6. projector according to claim 1, is characterized in that, described projector also comprises the MHL interface that described signal processor connects.
7. projector according to claim 1, it is characterized in that, described projector also comprise with described ray machine module be connected detection and the adjusting gear that the ray machine driver is connected, be used for automatically detecting white balance, color and the colour temperature of whole system when work of described projector, and automatically adjust the state of the whole system of described projector.
8. projector according to claim 1, is characterized in that, described projector also comprises loudspeaker and is arranged on the lifting foot that is used for adjusting the projects images height of described projector bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320286400.4U CN203275867U (en) | 2013-05-23 | 2013-05-23 | Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320286400.4U CN203275867U (en) | 2013-05-23 | 2013-05-23 | Projector |
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| Publication Number | Publication Date |
|---|---|
| CN203275867U true CN203275867U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320286400.4U Expired - Fee Related CN203275867U (en) | 2013-05-23 | 2013-05-23 | Projector |
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| Country | Link |
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| CN (1) | CN203275867U (en) |
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 |
| CN105898168A (en) * | 2014-11-14 | 2016-08-24 | 王殿龙 | Cellular mobile phone projector |
-
2013
- 2013-05-23 CN CN201320286400.4U patent/CN203275867U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105898168A (en) * | 2014-11-14 | 2016-08-24 | 王殿龙 | Cellular mobile phone projector |
| 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 |
| CN104378567B (en) * | 2014-12-06 | 2018-06-26 | 贵州晶源动力科技有限公司 | Portable DLP multimedia intelligents high in the clouds optical projection system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20140523 |