CN203827446U - Automatic low-radiation minisize projection, movie and television entertainment machine - Google Patents
Automatic low-radiation minisize projection, movie and television entertainment machine Download PDFInfo
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- CN203827446U CN203827446U CN201420153179.XU CN201420153179U CN203827446U CN 203827446 U CN203827446 U CN 203827446U CN 201420153179 U CN201420153179 U CN 201420153179U CN 203827446 U CN203827446 U CN 203827446U
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- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 9
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
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- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
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Abstract
The utility model relates to an automatic low-radiation minisize projection, movie and television entertainment machine which comprises a machine body and a remote controller, wherein the machine body comprises a housing and a circuit device arranged in the housing. The circuit device comprises a main control panel, a wireless module, an audio frequency output module, an optical projection module, a power supply module, an optical control module, an infrared range finding module, an automatic trapezoid calibration circuit and an automatic zooming control circuit, wherein the main control panel is respectively connected with the wireless module, the audio frequency output module, the optical projection module, the optical control module and the infrared range finding module, and the power supply module is respectively connected with the main control panel, the wireless module, the audio frequency output module, the optical projection module, the optical control module, the infrared range finding module, the automatic trapezoid calibration circuit and the automatic zooming control circuit. Compared with the prior art, the automatic low-radiation minisize projection, movie and television entertainment machine is low in direct radiation, low in power dissipation and long in service lifetime.
Description
Technical field
The utility model relates to a kind of projection display apparatus, especially relates to a kind of pregnant woman of being applicable to, preschool mother, full-automatic low radiation micro projection video display entertainment machine.
Background technology
Numerous women, in order to be a good mother, need to learn a lot of relevant knowledges.At present, the means of obtaining knowledge have books, computer and mobile phone.And pregnant woman at period of gestation for fetus is protected preferably, have to, away from indispensable equipment in the life such as similar mobile phone, computer, TV, pregnant woman's life style caused to very large inconvenience.Mobile phone, flat board, computer, TV adopt liquid crystal as display screen more, and user is directly in the face of screen, and radiation is large, is unfavorable for pregnant woman and preschool mother's study.The machine adopts the mode of the miniature demonstration projection that there is no radiation to replace original liquid crystal display screen demonstration.
At present, micro projection Display Technique is mainly divided three classes: LCD technology, LCOS technology and DLP technology.LCD technology is to rely on liquid crystal projection imaging know-why, light is passed through to filter, lens wearer etc. by after equalizing light rays and correction, planoconvex lens and polarizer polarization again, finally see through three liquid crystal display screens of red, green, blue, by circuit board drives each pixel on liquid crystal display screen in order switching form projected image.Because liquid crystal display screen light transmission efficiency is very low, cannot use LED light source, cannot fundamentally solve contrast and be difficult for improve, light source caloric value is large, follow-up maintenance cost is high, cannot miniaturization etc. the puzzlement of problem.What LCOS technology relied on is single chip single crystal silicon catoptric imaging know-why, but exists 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, by countless little reflective mirrors, form pixel, by controlling each pixel reflects, carry out imaging, be at present most advanced, effect is best, most potential micro-projection display technique.Along with the continuous progress of DLP shadow casting technique, on the one hand LED light source brightness gets a promotion, and dmd chip volume can accomplish that very little, resolution can accomplish very highly on the other hand, and this accelerates microminiaturization development of LiaoDLP shadow casting technique to a great extent.The machine is to have adopted DLP micro projection technology.
From light source, projection display technique mainly contains three kinds of light sources: high pressure halogen lamp, LASER Light Source, LED light source.High pressure halogen lamp light-source brightness is high, but useful life is short, and optical attenuation is fast, and later maintenance cost is high, and is unfavorable for device miniaturization.The utilization of LASER Light Source in micro projection shows is also more, LASER Light Source having higher brightness, better directive property, better converge feature, thereby make laser projection have higher contrast and visual experience, and high-contrast when high brightness can be guaranteed, but compare its uncertain fail safe and higher radiation intensity is larger limiting factor.LED light source is called as green light source, has the advantages such as energy-conserving and environment-protective, life-span length, is that current microminiaturized projection field is used maximum light sources.
From current prior art, the following defect of ubiquity:
1, conditional electronic product Display Technique main flow is liquid crystal display, the light direct beam user who sends, and radiation is large,
Large to the injury of mother fetus.Children see for a long time, injure very much eyes.
2, traditional projection products volume is large, not Portable belt.
3, the high pressure halogen lamp light source of traditional projection products and the LASER Light Source power consumption of existing micro projection product is high, amount of radiation is large.
4, existing micro-operation product mostly are constant brightness, and when extraneous surround lighting is darker, light is excessively strong, large to user's eye irritation, can not give good environment for use of pregnant woman.
5, the micro-operation product of existing intelligence are generally popular designs, and built-in system does not have directive property.
6, complex operation, semi-automatic or manual mode of operation is also not humane concerning the inconvenient pregnant woman that moves.
7, traditional projector does not have network, intelligent function to be unfavorable for pregnant woman and children's aspiration to knowledge.
Summary of the invention
The purpose of this utility model is exactly in order to overcome the defect that above-mentioned prior art exists, to provide that a kind of direct solar radiation amount is low, low in energy consumption, the full-automatic low radiation micro projection video display entertainment machine of long service life.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of full-automatic low radiation micro projection video display entertainment machine, comprise apparatus body and remote controller, described apparatus body comprises housing and is arranged on the circuit arrangement of enclosure interior, described circuit arrangement comprises master board, wireless module, audio frequency output module, projection optical module, power module, light-operated module, infrared distance measurement module, automatic trapezoidal calibration circuit and autozoom control circuit, described master board connects respectively wireless module, audio frequency output module, projection optical module, light-operated module and infrared distance measurement module, described power module connects respectively master board, wireless module, audio frequency output module, projection optical module, light-operated module, infrared distance measurement module, automatic trapezoidal calibration circuit and autozoom control circuit.
Described wireless module comprises WIFI chip, infrared remote-controlled signal receiver and Bluetooth chip.
Described audio frequency output module comprises sound effect processing circuit, audio power amplifier circuit and the boombox connecting successively, and described sound effect processing circuit connects master board.
Described projection optical module comprises DMD drive circuit, LED drive circuit and photo engine, and described DMD drive circuit is connected with master board respectively with LED drive circuit, and described photo engine connects respectively DMD drive circuit and LED drive circuit.
Described photo engine comprises LED lighting source, DMD display chip and projection camera lens.
Described power module comprises power control circuit and the external power supply adaptable interface being connected.
Described power control circuit comprises a plurality of voltage stabilizing chips that are connected with master board, wireless module, audio frequency output module, projection optical module, light-operated module, infrared distance measurement module, automatic trapezoidal calibration circuit, autozoom control circuit respectively.
Described infrared distance measurement module comprises receiving circuit, radiating circuit and signal processing circuit, and described signal processing circuit connects master board, and described receiving circuit, radiating circuit are connected with signal processing circuit respectively.
Described light-operated module comprises photo resistance, amplifying circuit and the signal processing and A/D change-over circuit connecting successively, and described signal is processed and is connected with master board with A/D change-over circuit.
Compared with prior art, the utlity model has following advantage:
1, the utility model replaces traditional liquid crystal display by the mode of projection, and for pregnant woman colony, light reflective shows that the direct solar radiation amount of comparing liquid crystal reduces greatly.
2, the utility model adopts the miniature Display Technique of up-to-date DLP, and small product size is little, portable, facilitates pregnant woman to use with oneself.
3, the utility model adopts LED as light source, environmental protection, and low-power consumption, low radiation, long service life, later maintenance cost is low.
4, the utility model utilizes the light-operated brightness regulation of carrying out, and has realized under the condition of varying environment light, and the machine is adjusting display brightness automatically, avoids strong light to cause visual stimulus to pregnant woman.
5, the utility model adopts the mode of straighforward operation, and the pregnant woman of inconvenience action uses convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model circuit arrangement.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.The present embodiment be take technical solutions of the utility model and is implemented as prerequisite, provided detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
A kind of full-automatic low radiation micro projection video display entertainment machine, comprise apparatus body and remote controller, apparatus body comprises housing and is arranged on the circuit arrangement of enclosure interior, as shown in Figure 1, this circuit arrangement comprises master board 1, wireless module 2, audio frequency output module 3, projection optical module 4, power module 5, light-operated module 6, infrared distance measurement module 7, automatic trapezoidal calibration circuit 8 and autozoom control circuit 9, master board 1 connects respectively wireless module 2, audio frequency output module 3, projection optical module 4, light-operated module 6 and infrared distance measurement module 7, projection optical module 4 connects respectively automatic trapezoidal calibration circuit 8 and autozoom control circuit 9, each module of power module 5 and other is connected respectively, for whole circuit arrangement power supply.Wherein, master board 1 comprises the kernel processor chip that is solidified togather and necessary surrounding's auxiliary circuit, and automatic trapezoidal calibration circuit 8 and autozoom control circuit 9 are existing circuit structure.
Wherein, wireless module 2 comprises WIFI chip 201, infrared remote-controlled signal receiver 202 and Bluetooth chip 203, infrared remote-controlled signal receiver 202 is for receiving the signal of remote controller, and WIFI chip 201 and Bluetooth chip 203 are for realizing wireless connections with other equipment such as intelligent terminals.Audio frequency output module 3 comprises sound effect processing circuit 301, audio power amplifier circuit 302 and the boombox 303 connecting successively, sound effect processing circuit 301 connects master board 1, wherein, sound effect processing circuit, audio power amplifier circuit are the existing circuit structure of realizing corresponding function.Projection optical module 4 comprises DMD drive circuit 401, LED drive circuit 402 and photo engine 403, and DMD drive circuit 401 is connected with master board 1 respectively with LED drive circuit 402, and photo engine 403 connects respectively DMD drive circuit 401 and LED drive circuit 402.Photo engine 403 comprises LED lighting source, DMD display chip and projection camera lens.Power module 5 comprises power control circuit 501 and the external power supply adaptable interface 502 being connected, external power supply adaptable interface 502 connects external power source, by power control circuit 501, for whole circuit arrangement, power, power control circuit 501 comprises a plurality of voltage stabilizing chips that are connected with master board 1, wireless module 3, audio frequency output module 3, projection optical module 4, light-operated module 6, infrared distance measurement module 7, automatic trapezoidal calibration circuit 8, autozoom control circuit 9 respectively.Infrared distance measurement module 7 comprises receiving circuit 701, radiating circuit 702 and signal processing circuit 703, and signal processing circuit 703 connects master board 1, and receiving circuit 701, radiating circuit 702 are connected with signal processing circuit 703 respectively.Light-operated module 6 comprises photo resistance 601, amplifying circuit 602 and the signal processing and A/D change-over circuit 603 connecting successively, and signal is processed and is connected with master board 1 with A/D change-over circuit 603.The circuit using in above-mentioned each module is the available circuit structure that can realize corresponding function.
In the situation that switching on power, press the key (or directly pressing the start button on machine) on remote controller, start the machine.After machine startup, each voltage stabilizing chip in power control circuit provides required supply voltage for inner each module, and makes each functional module, each drive circuit start normal work.
After master board energising, its inner CPU brings into operation, and after carrying out image processing, the Transistor-Transistor Logic level vision signal of system desktop image is sent into projection optical module through GPU chip, drives miniature DLP ray machine Projection Display.Audio signal after corresponding sound effect processing circuit and audio power amplifier circuit etc. are processed, outputs to boombox and image synchronization playback or is transported to AUDIO interface and connect outside audio amplifier and synchronize playback.
Meanwhile, the infrared signal transmission circuit of infrared distance measurement module transmitting infrared signal, the conventional treatment such as the inverse signal that signal processing circuit receives according to receiving circuit is amplified, noise reduction, turn back to signal after master board, control ray machine and realize focusing automatically; The data that automatic trapezoidal calibration circuit and autozoom control circuit return according to transducer are carried out corresponding current adjustment.
The photo resistance acquisition surface of light-operated module is transferred to the signal of telecommunication to extraneous light intensity, after amplifying circuit, by being transferred to master board after the processing such as A/D changes, master board according to feedback data to ray machine brightness adjust, the utility model is by light-operated module, utilizes light-operated brightness to be regulated.
Meanwhile, full-automatic low radiation micro projection video display entertainment machine can, by the wireless connections of the realization of WiFi chip and the Internet, realize and outside bluetooth equipment wireless connections by Bluetooth chip.
Claims (9)
1. a full-automatic low radiation micro projection video display entertainment machine, comprise apparatus body and remote controller, described apparatus body comprises housing and is arranged on the circuit arrangement of enclosure interior, it is characterized in that, described circuit arrangement comprises master board, wireless module, audio frequency output module, projection optical module, power module, light-operated module, infrared distance measurement module, automatic trapezoidal calibration circuit and autozoom control circuit, described master board connects respectively wireless module, audio frequency output module, projection optical module, light-operated module and infrared distance measurement module, described power module connects respectively master board, wireless module, audio frequency output module, projection optical module, light-operated module, infrared distance measurement module, automatic trapezoidal calibration circuit and autozoom control circuit.
2. a kind of full-automatic low radiation micro projection video display entertainment machine according to claim 1, is characterized in that, described wireless module comprises WIFI chip, infrared remote-controlled signal receiver and Bluetooth chip.
3. a kind of full-automatic low radiation micro projection video display entertainment machine according to claim 1, it is characterized in that, described audio frequency output module comprises sound effect processing circuit, audio power amplifier circuit and the boombox connecting successively, and described sound effect processing circuit connects master board.
4. a kind of full-automatic low radiation micro projection video display entertainment machine according to claim 1, it is characterized in that, described projection optical module comprises DMD drive circuit, LED drive circuit and photo engine, described DMD drive circuit is connected with master board respectively with LED drive circuit, and described photo engine connects respectively DMD drive circuit and LED drive circuit.
5. a kind of full-automatic low radiation micro projection video display entertainment machine according to claim 4, is characterized in that, described photo engine comprises LED lighting source, DMD display chip and projection camera lens.
6. a kind of full-automatic low radiation micro projection video display entertainment machine according to claim 1, is characterized in that, described power module comprises power control circuit and the external power supply adaptable interface being connected.
7. a kind of full-automatic low radiation micro projection video display entertainment machine according to claim 6, it is characterized in that, described power control circuit comprises a plurality of voltage stabilizing chips that are connected with master board, wireless module, audio frequency output module, projection optical module, light-operated module, infrared distance measurement module, automatic trapezoidal calibration circuit, autozoom control circuit respectively.
8. a kind of full-automatic low radiation micro projection video display entertainment machine according to claim 1, it is characterized in that, described infrared distance measurement module comprises receiving circuit, radiating circuit and signal processing circuit, described signal processing circuit connects master board, and described receiving circuit, radiating circuit are connected with signal processing circuit respectively.
9. a kind of full-automatic low radiation micro projection video display entertainment machine according to claim 1, it is characterized in that, described light-operated module comprises photo resistance, amplifying circuit and the signal processing and A/D change-over circuit connecting successively, and described signal is processed and is connected with master board with A/D change-over circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153179.XU CN203827446U (en) | 2014-03-31 | 2014-03-31 | Automatic low-radiation minisize projection, movie and television entertainment machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153179.XU CN203827446U (en) | 2014-03-31 | 2014-03-31 | Automatic low-radiation minisize projection, movie and television entertainment machine |
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| Publication Number | Publication Date |
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| CN203827446U true CN203827446U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420153179.XU Expired - Lifetime CN203827446U (en) | 2014-03-31 | 2014-03-31 | Automatic low-radiation minisize projection, movie and television entertainment machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036235A (en) * | 2018-09-10 | 2018-12-18 | 天津大学 | Automatic brightness adjustment projector |
| CN113176700A (en) * | 2021-03-18 | 2021-07-27 | 众瑞速联（武汉）科技有限公司 | Pluggable small laser projection device |
-
2014
- 2014-03-31 CN CN201420153179.XU patent/CN203827446U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036235A (en) * | 2018-09-10 | 2018-12-18 | 天津大学 | Automatic brightness adjustment projector |
| CN113176700A (en) * | 2021-03-18 | 2021-07-27 | 众瑞速联（武汉）科技有限公司 | Pluggable small laser projection device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |