CN109254479A - Holographic projector based on liquid crystal display screen of mobile phone - Google Patents
Holographic projector based on liquid crystal display screen of mobile phone Download PDFInfo
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- CN109254479A CN109254479A CN201811331094.5A CN201811331094A CN109254479A CN 109254479 A CN109254479 A CN 109254479A CN 201811331094 A CN201811331094 A CN 201811331094A CN 109254479 A CN109254479 A CN 109254479A
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- liquid crystal
- crystal display
- light
- mobile phone
- chip microcontroller
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
- G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
Abstract
The invention discloses a kind of holographic projectors based on liquid crystal display screen of mobile phone, including control system, the liquid crystal display of mobile phone, compensatory light, light path system and power module；The control system includes single-chip microcontroller；The liquid crystal display is equipped with image-driven module and the first back light, and the signal input part of described image drive module is connected with the signal output end of single-chip microcontroller, and first back light is cold-cathode fluorescent modulated structure；The compensatory light is for issuing highlighted directional light and the second back light as liquid crystal display；The audio-visual picture projection imaging that the light path system is used to be displayed on liquid crystal display, the light path system include along light to the optical filter, polarizer and camera lens assembly equipped with convex lens set gradually；The power module is used to power for each electrical component.Recycling, improving ecological environment for waste mobile phone can be achieved in the present invention, while reducing the cost of manufacture of projector, is conducive to its popularization and application.
Description
Technical field
The present invention relates to projection arrangement technical field more particularly to a kind of line holographic projections based on liquid crystal display screen of mobile phone
Instrument.
Background technique
With advances in technology, social development, people's lives quality are continuously improved, and the period that mobile phone updates gets over
Come shorter；According to statistics, in by the end of September, 2016 by the end of, China mobile phone user is up to 2.5 hundred million, if being calculated with 3 years for rate of changing planes, in
State has nearly 70,000,000 mobile phones retired every year on average, generates 400,000 tons of electron wastes, causes environmental pollution；It is one slight
Mobile phone has just used the ten higher metal of several recovery values such as copper, gold, silver, palladium, Yi Jiqian, mercury, cadmium, Cr VI, antimony zinc, gathers
The poisonous and harmful substances such as dibromodiphenyl ether；It, will can if waste mobile phone is handled or burned as common garbage loading embeading
Contaminated soil, water quality and atmosphere, it is also possible to cause the disease of human nervous system and immune system；Waste mobile phone recycling and utilization
Problems demand solves.And on the other hand, Chinese projection market scale is huge, dog-eat-dog, aobvious according to Austria's dimension cloud net data
Show, the 2016 market sales volume scales for being only laser projection have just been more than 150,000；Projector is widely used in education, commercial affairs, work
Journey, household etc. are the current relatively broad media devices used；In recent years, 3D projection initially enters the visual field of people, compares
There is big advantage on bandwagon effect in plane projection, but its fancy price and incomplete technology greatly limit
It promotes.It is combined if waste mobile phone can be utilized with projector, not only realizes the cyclic utilization of waste, improves ecological ring
Border is conducive to its popularization and application but also projector cost of manufacture reduces.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of holographic projector based on liquid crystal display screen of mobile phone, it can be real
Existing waste mobile phone recycles, improves ecological environment, while reducing the cost of manufacture of projector, is conducive to its popularization and answers
With.
Holographic projector based on liquid crystal display screen of mobile phone of the invention, including control system, mobile phone liquid crystal display,
Compensatory light, light path system and power module；
The control system includes single-chip microcontroller；
The liquid crystal display is equipped with image-driven module and the first back light, and the signal of described image drive module is defeated
Enter end to be connected with the signal output end of single-chip microcontroller, first back light is cold-cathode fluorescent modulated structure；
The compensatory light is for issuing highlighted directional light and the second back light as liquid crystal display；
The audio-visual picture projection imaging that the light path system is used to be displayed on liquid crystal display, the light path system packet
It includes along light to the optical filter, polarizer and camera lens assembly equipped with convex lens set gradually；
The power module is used to power for each electrical component.
By above disclosure, the present invention has following advantageous effects: of the invention based on mobile phone liquid crystal display
The holographic projector of screen, under the collective effect of the first back light and the second back light emitted light, by existing hand
The liquid crystal display of machine will be launched in the audio-visual picture of liquid crystal display screen display by light path system, and waste and old hand is effectively realized
Machine recycles, improves ecological environment, while reducing the cost of manufacture of projector, is conducive to its popularization and application；This is
The highlighted directional light that two back lights issue penetrates liquid crystal display, effectively increases brightness of image, compensates for liquid crystal display
Luminance shortage problem existing for cold-cathode fluorescent modulated structure, improves the imaging effect of projector.
As further improvement to above-mentioned technical proposal, the compensatory light includes LED cold light lamp and dodging device；Institute
Dodging device is stated equipped with concave surface, and the concave surface is faced the wall and meditated equipped with reflecting layer, the LED cold light lamp is placed in the focal point of concave surface,
So that the light that LED cold light lamp issues forms highlighted directional light.Using this structure, so that the brightness of projection plane is more uniform,
And eliminate blackening point brought by strong photosystem secondary imaging.
As further improvement to above-mentioned technical proposal, it is equipped in the camera lens assembly and is used for real-time detection projector stream
The signal output end of the lumens tester of bright value, the lumens tester is connected with the signal input part of single-chip microcontroller, uses
It is connected in the signal input part of driver of the driving LED cold light lamp with the signal output end of single-chip microcontroller.Using this structure,
The light emission luminance of LED cold light lamp can be automatically adjusted, so that the lumens of shadow instrument maintain in suitable range, is avoided because of too shadow
Visual effect is rung, it is excessively high and dazzling to be also prevented from lumens.
As further improvement to above-mentioned technical proposal, the reflecting layer is sprayed using water-borne acrylic coatings.
Water-borne acrylic coatings are high diffusing reflection coating, can be improved luminous efficiency, eliminate dazzle or hot spot, and guarantee good photochromic
Consistency subtracts and hurts bloom degree of protection, removes high bright spot domain.
As further improvement to above-mentioned technical proposal, the control system further includes signal transmission device, the monolithic
Machine is communicated by signal transmission device and external terminal.Using this structure, it can be achieved that remote adjustment and monitoring to projector.
As further improvement to above-mentioned technical proposal, the lens barrel of the camera lens assembly is for fabricated structure and including outer
Lens barrel and the inner lens cone being set in outer lens barrel；The outer lens barrel is driven and axially retractable by the first driving motor, it is described in
Lens barrel is driven and axially retractable by the second driving motor, so that the focus adjustable of camera lens assembly；First driving motor,
Two driving motors are connected with single-chip microcontroller.Using this structure, the adjusting of focal length can be realized by electronic mode, so that adjusting side
Just, accommodation accuracy is high.
As further improvement to above-mentioned technical proposal, the optical filter is organic equipped with being prepared by poly- acetylacetone copper
Thin film transistor (TFT), the Organic Thin Film Transistors are connected with single-chip microcontroller.Using this structure, the adjustable range of light passing amount can be increased
It is big extremely region-wide, it realizes the precise translation of different color light on pixel, light leakage phenomena is avoided to occur to influence its imaging effect
As further improvement to above-mentioned technical proposal, which further includes a cabinet, the control system, liquid crystal
Display screen, compensatory light and light path system are removably installed on cabinet, and the cabinet is equipped with power interface and view
Frequency signal input interface.Using this structure, be conducive to the integrated of each component,
It is equipped with radiator fan as further improvement to above-mentioned technical proposal, in the cabinet and is sent out for real-time detection
The temperature sensor of thermal part surface temperature, the signal input part phase of the signal output end and single-chip microcontroller of the temperature sensor
Even, the signal input part of the radiator fan is connected with the signal output end of single-chip microcontroller.Using this structure, it can be achieved that cabinet
Intelligent heat dissipation, the service life for extending projector do not have, and improve the security performance of projector.
As further improvement to above-mentioned technical proposal, it is additionally provided in the cabinet for the cold of circulation conveying coolant liquid
But pipeline and for providing the circulating pump of coolant flow power, the cooling pipe is in contact with heat generating components surface, described
The signal input part of circulating pump is connected with the signal output end of single-chip microcontroller.Using this structure, multistage cooling system is formed, is improved
The heat dissipation performance of projector.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is main view of the invention；
Fig. 3 is the principle of the present invention block diagram.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, in the following with reference to the drawings and specific embodiments
The present invention is described in further detail.
It is as shown in Figure 1 to Figure 3: the holographic projector based on liquid crystal display screen of mobile phone of the present embodiment, including control system,
Liquid crystal display 8, compensatory light, light path system and the power module 23 of mobile phone.The control system includes single-chip microcontroller 1, in addition,
Control system further includes several existing control circuits；For example optional 51 single-chip microcontroller of single-chip microcontroller 1, with data processing and signal
The function of control.The liquid crystal display 8 is equipped with image-driven module 24 and the first back light, described image drive module 24
Signal input part be connected with the signal output end of single-chip microcontroller 1, first back light be cold-cathode fluorescent modulated structure；Monolithic
Audio-visual image data is sent to image-driven module by machine 1, is finally shown on liquid crystal display 8；Liquid crystal display 8 is main
Refer to the interior screen of smart phone.The compensatory light is for issuing highlighted directional light and the second backlight as liquid crystal display 8
Light source.The audio-visual picture projection imaging that the light path system is used to be displayed on liquid crystal display 8, the light path system include
Along light to the optical filter 9, polarizer 11 and camera lens assembly 19 equipped with convex lens set gradually；In addition to this, holography is realized
Projection also needs community cohesion to accept screen, such as the imaging body of existing pyramid structure in the optical line terminal of camera lens assembly.It is described
Power module 23 is used to power for each electrical component, and power module can be alternating current or storage battery dedicated.
The holographic projector based on liquid crystal display screen of mobile phone 8 of the present embodiment, in the first back light and the second backlight light
It is audio-visual by what is shown on liquid crystal display 8 by the liquid crystal display 8 of existing mobile phone under the collective effect of source emitted light
Picture is launched by light path system, effectively realizes recycling, improving ecological environment for waste mobile phone, while reducing projection
The cost of manufacture of instrument is conducive to its popularization and application；This is that the highlighted directional light that the second back light issues penetrates liquid crystal display
8, brightness of image is effectively increased, luminance shortage problem existing for 8 cold-cathode fluorescent modulated structure of liquid crystal display is compensated for, is improved
The imaging effect of projector.
In the present embodiment, the compensatory light includes LED cold light lamp 6 and dodging device 7；The dodging device 7 is equipped with recessed
Face, and the concave surface is faced the wall and meditated equipped with reflecting layer, the LED cold light lamp 6 is placed in the focal point of concave surface, so that LED cold light lamp 6 is sent out
Light out forms highlighted directional light.Concave surface can be hemispherical configuration；LED cold light lamp 6 can approximation regard a point light source as, will
LED cold light lamp 6 is placed in the focal point of concave surface, and the light that point light source issues is converted to uniform directional light, so that projection plane
Brightness is more uniform, and eliminates blackening point brought by strong photosystem secondary imaging.It is optical path side shown in arrow in Fig. 2
To.
The lumens tester for real-time detection projector lumen value is equipped in the present embodiment, in the camera lens assembly 19
25, the signal output end of the lumens tester 25 is connected with the signal input part of single-chip microcontroller 1, for driving the LED
The signal input part of the driver 26 of cold light lamp 6 is connected with the signal output end of single-chip microcontroller 1.Pass through the number of lumens tester 25
According to feedback, the light emission luminance of LED cold light lamp 6 can be automatically adjusted；For example, when 60% or more test sample point lumens reach threshold value
When S1, feedback signal is acted on into the strong photosystem of LED, part LED light source disconnects；Otherwise when 60% sample above point is in threshold value
When at S2, single-chip microcontroller 1 controls light source closure；The brightness that LED cold light lamp 6 is controlled by negative-feedback regu- lation, maintains lumens
Within the scope of 2000-2500, avoid that it is excessively high and dazzling to be also prevented from lumens because too shadow rings visual effect.
In the present embodiment, the reflecting layer is sprayed using water-borne acrylic coatings.Water-borne acrylic coatings are Gao Man
Reflective coating can be improved luminous efficiency, eliminate dazzle or hot spot, and guarantee good photochromic consistency, subtracts and hurts bloom protection
Degree removes high bright spot domain.
In the present embodiment, the control system further includes signal transmission device 21, and the single-chip microcontroller 1 passes through signal transmission device 21
It is communicated with external terminal 22.Remote adjustment and monitoring to projector can be achieved in the setting of signal transmission device 21；Signal transmission
Device 21 is preferably wireless communicator structure, such as realizes communication by modes such as infrared, bluetooth, WiFi networks；External terminal
22 can be host computer, be also possible to portable remote controller.
In the present embodiment, the lens barrel of the camera lens assembly and for fabricated structure and including outer lens barrel be set in outer lens barrel
Inner lens cone；The outer lens barrel is driven and axially retractable by the first driving motor 15, and the inner lens cone is by the second driving motor
17 driving and it is axially retractable so that the focus adjustable of camera lens assembly；First driving motor 15, the second driving motor 17 are
It is connected with single-chip microcontroller 1.It is provided with convex lens in outer lens barrel and inner lens cone, forms lens group；The telescopic band of outer lens barrel, inner lens cone
The movement of corresponding convex lens is moved, to realize the adjusting of focal length；The power output end of first driving motor 15 can be with the first focusing
Gear 16 is connected, and the power output end of the second driving motor 17 can be connected with the second focusing gear 18, in the signal control of single-chip microcontroller 1
Under system, the first driving motor 15, the second driving motor 17 act respectively, to realize the adjusting of focal length by electronic mode, make
Obtain easy to adjust, accommodation accuracy height.
In the present embodiment, the optical filter 9 is equipped with the Organic Thin Film Transistors 10a prepared by poly- acetylacetone copper, described
Organic Thin Film Transistors 10a is connected with single-chip microcontroller 1.Several Organic Thin Film Transistors form organic crystal layer 10；Optical filter 9 it is defeated
Entering end signal is through the enhanced cold light source signal of the strong photosystem of LED, since the size variation of voltage value affects liquid crystal display
The ordered state of molecule on screen 8, with the variation of voltage signal, the backlight mode of single fluorescent lamp and liquid crystal display 8 can not
Light passing amount is adjusted in full interval range, there are still a small amount of light to participate in imaging through liquid crystal display, and light leakage phenomena generates therewith；Cause
This, 8 optical path area rear of liquid crystal display, which is used, is replaced traditional filter by Organic Thin Film Transistors prepared by poly- acetylacetone copper
Sheet structure shows the bistable switch characteristic of attacking a vital point corresponding to high resistant " 0 " and low-resistance " 1 ", when institute's making alive is more than threshold k 1,
Burst is by " 1 " to the switching process of " 0 ", and amount of current grade differs 10 under two states3；By single-chip microcontroller 1 according to input end signal
Variation, the alive size of control institute increase the adjustable range of light passing amount via this switching characteristic of Organic Thin Film Transistors
It is big extremely region-wide, it realizes the precise translation of different color light on pixel, light leakage phenomena is avoided to occur to influence its imaging effect.
In the present embodiment, which further includes a cabinet 20, the control system, liquid crystal display 8, compensatory light and
Light path system is removably installed on cabinet 20, and the cabinet 20 is equipped with power interface 2 and vision signal input connects
Mouth 13.Cabinet 20 is provided with conducive to the integrated of each component；Several mounting plates are equipped in cabinet 20；In addition, to realize each portion
The densification of part is installed, and also sets up several reflecting mirror 14 and relevant loophole in cabinet 20；Power interface 2 connects for alternating current
Enter；Most commonly used USB interface can be used in video signal input interface 13, not only can connect display HD video, but also
Vision signal can be decomposed into R, G, B three primary colors and HV row field signal transmits, realize the reduction being lost in transmission process, protected
Hinder the high applicability of projector.
In the present embodiment, radiator fan 3 and the temperature for real-time detection heat generating components surface temperature are equipped in the cabinet
Sensor 12 is spent, the signal output end of the temperature sensor 12 is connected with the signal input part of single-chip microcontroller 1, the radiator fan
3 signal input part is connected with the signal output end of single-chip microcontroller 1.Radiator fan 3 is driven by radiating motor, can be when running
Negative pressure is formed in cabinet, thus be pumped into cabinet by the intracorporal high temperature air dispatch of case to the external world, and by extraneous Cryogenic air,
It is achieved in heat dissipation；The cooperation of temperature sensor 12 and single-chip microcontroller 1, it can be achieved that cabinet intelligent heat dissipation, extend making for projector
Do not have with the service life, improves the security performance of projector.Heat generating components includes control system, liquid crystal display 8, compensatory light and optical path
The biggish component of calorific value in system；For example, the high-precision degree type temperature sensor 12 of LM75A can be selected, places it in and be easy to generate
6 back of LED cold light lamp of heat build-up, basic imaging system, the tri- color light-filtering channels surface RGB, every group of each four sensor, when
When thermocouple one end is heated in sensor, two different metal lines just generate potential difference, and can store as electronic signals, lead to
Cross I2C bus and read data in each register, by acquisition surface to temperature signal be converted to digital signal, and via conducting wire
It is transmitted to single-chip microcontroller 1, is based on 1 logical operation network of single-chip microcontroller, the 12 groups of temperature datas that will acquire are adjusted using Gaussian function
Temperature control system is inputted as feedback signal with, result.
In the present embodiment, be additionally provided in the cabinet for circulation conveying coolant liquid cooling pipe (not shown) and
For providing the circulating pump 4 of coolant flow power, the cooling pipe is in contact with heat generating components surface, the circulating pump 4
Signal input part be connected with the signal output end of single-chip microcontroller 1.It is air-cooled to be matched with liquid cooling, multistage cooling system can be formed, is had
Effect improves the heat dissipation performance of projector；For example, can be temperature control system given threshold (D0, D1)；When feedback signal numerical value is lower than threshold
Value D0When, system enters low load regime mode, radiates only with the copper tube aluminum 5 for investing 6 back side of LED cold light lamp；Work as feedback letter
Number value is between threshold value D0With D1Between when, be common regime mode, electrodeless variable-speed radiating motor starting, according to input reconcile after
Temperature data, control radiating motor revolving speed；When feedback signal numerical value is higher than threshold value D1When, regime mode is carried to be high, introduces one
Small-sized liquid cooling heat radiation system is covered, driving flows coolant liquid back and forth between circulating pump, water-cooled block and heat exchanger.
Finally, it is stated that applying herein, a specific example illustrates the principle and implementation of the invention, with
The explanation of upper embodiment is merely used to help understand the core idea of the present invention, without departing from the principles of the present invention, also
Can several improvements and modifications are made to the present invention, these improvement and modification are also fallen within the scope of the present invention.
Claims (10)
1. a kind of holographic projector based on liquid crystal display screen of mobile phone, it is characterised in that: including control system, the liquid crystal of mobile phone
Display screen, compensatory light, light path system and power module；
The control system includes single-chip microcontroller；
The liquid crystal display is equipped with image-driven module and the first back light, the signal input part of described image drive module
It is connected with the signal output end of single-chip microcontroller, first back light is cold-cathode fluorescent modulated structure；
The compensatory light is for issuing highlighted directional light and the second back light as liquid crystal display；
The audio-visual picture projection imaging that the light path system is used to be displayed on liquid crystal display, the light path system includes edge
Light is to the optical filter, polarizer and camera lens assembly equipped with convex lens set gradually；
The power module is used to power for each electrical component.
2. the holographic projector according to claim 1 based on liquid crystal display screen of mobile phone, it is characterised in that: the compensation light
Source includes LED cold light lamp and dodging device；The dodging device is equipped with concave surface, and the concave surface is faced the wall and meditated equipped with reflecting layer, institute
The focal point that LED cold light lamp is placed in concave surface is stated, so that the light that LED cold light lamp issues forms highlighted directional light.
3. the holographic projector according to claim 1 based on liquid crystal display screen of mobile phone, it is characterised in that: the camera lens is total
The lumens tester for real-time detection projector lumen value, the signal output end of the lumens tester are equipped in
It is connected with the signal input part of single-chip microcontroller, for driving the signal input part and single-chip microcontroller of the driver of the LED cold light lamp
Signal output end is connected.
4. the holographic projector according to claim 2 based on liquid crystal display screen of mobile phone, it is characterised in that: the reflecting layer
It is sprayed using water-borne acrylic coatings.
5. the holographic projector according to claim 1 based on liquid crystal display screen of mobile phone, it is characterised in that: the control system
System further includes signal transmission device, and the single-chip microcontroller is communicated by signal transmission device and external terminal.
6. the holographic projector according to claim 5 based on liquid crystal display screen of mobile phone, it is characterised in that: the camera lens is total
At lens barrel be fabricated structure and including outer lens barrel and the inner lens cone that is set in outer lens barrel；The outer lens barrel is by the first driving
Motor driven and it is axially retractable, the inner lens cone drives and axially retractable by the second driving motor, so that camera lens assembly
Focus adjustable；First driving motor, the second driving motor are connected with single-chip microcontroller.
7. the holographic projector according to claim 5 based on liquid crystal display screen of mobile phone, it is characterised in that: the optical filter
Equipped with the Organic Thin Film Transistors prepared by poly- acetylacetone copper, the Organic Thin Film Transistors is connected with single-chip microcontroller.
8. the holographic projector according to any one of claims 1 to 7 based on liquid crystal display screen of mobile phone, it is characterised in that:
The projector further includes a cabinet, and the control system, liquid crystal display, compensatory light and light path system are removably
It is installed on cabinet, the cabinet is equipped with power interface and video signal input interface.
9. the holographic projector according to claim 8 based on liquid crystal display screen of mobile phone, it is characterised in that: in the cabinet
Equipped with radiator fan and for the temperature sensor of real-time detection heat generating components surface temperature, the signal of the temperature sensor is defeated
Outlet is connected with the signal input part of single-chip microcontroller, the signal output end phase of the signal input part and single-chip microcontroller of the radiator fan
Even.
10. the holographic projector according to claim 9 based on liquid crystal display screen of mobile phone, it is characterised in that: the cabinet
In be additionally provided with for the cooling pipe of circulation conveying coolant liquid and for providing the circulating pump of coolant flow power, the cooling
Pipeline is in contact with heat generating components surface, and the signal input part of the circulating pump is connected with the signal output end of single-chip microcontroller.
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| CN201811331094.5A CN109254479A (en) | 2018-11-09 | 2018-11-09 | Holographic projector based on liquid crystal display screen of mobile phone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113047522A (en) * | 2021-03-26 | 2021-06-29 | 吕正兴 | Special high strength board of intelligence building engineering |
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Application publication date: 20190122 |