CN204462623U - A kind of optical projection system for generation of color shadow - Google Patents
A kind of optical projection system for generation of color shadow Download PDFInfo
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- CN204462623U CN204462623U CN201520135790.4U CN201520135790U CN204462623U CN 204462623 U CN204462623 U CN 204462623U CN 201520135790 U CN201520135790 U CN 201520135790U CN 204462623 U CN204462623 U CN 204462623U
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- light source
- projection system
- optical projection
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- regulating device
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Abstract
The utility model provides a kind of optical projection system for generation of color shadow, comprising: at least three light sources, for sending different monochromatic light respectively; Single-chip microcomputer, for providing signal to each described light source, and controlling each described light source luminescent intensity by this signal intensity, being connected respectively with described at least three described light sources; And, regulating device, for by described single-chip microcomputer to regulate each described light source luminescent intensity respectively; Described regulating device is connected with described single-chip microcomputer.In such scheme, regulating device regulates the luminous intensity of each light source by single-chip microcomputer, thus make the intensity of not homochromy light source adjustable, therefore after light source irradiation is on object, its color that can synthesize also there occurs corresponding change, the shadow that optical projection system is produced has more color change and can these change of Dynamic Announce, thus the shadow that optical projection system is produced is more bright colorful.
Description
Technical field
The utility model relates to science and technology initiation equipment manufacturing technology field, refers to a kind of optical projection system for generation of color shadow especially.
Background technology
In recent years, there is a showpiece in science and technology center, is called " color shadow ", and citation form is at exhibition room top hanging side by side three shot-lights, illuminates corresponding screen in the same way.Due to spectators' three lamps after one's death, send ruddiness, green glow and blue light respectively.Why wall looks like white, is exactly the result that this three kinds of colors suitably mix.The change of self posture and position before screen, and is passed through in spectators station, can block the combination in any in three coloured light, thus even can see the shadow of different colours in screen.
In the prior art, because the brightness of three lamps and position are all fixing, by the posture of spectators and the change of position, these three lamps can produce at most the shadow of seven kinds of colors: blue or green, purple, yellow, blue, red, green, black.Show also very single, the combination of displaying color that can not be lively and change, so prior art needs a kind of optical projection system with multicolour change badly.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of optical projection system for generation of color shadow, less with the shadow color solved existing for prior art, can not show the lively combination of displaying color and the problem of change.
For solving the problems of the technologies described above, the utility model embodiment provides a kind of optical projection system for generation of color shadow, comprising:
At least three light sources, for sending different monochromatic light respectively;
Single-chip microcomputer, for providing signal to each described light source, and controlling each described light source luminescent intensity by this signal intensity, being connected respectively with described at least three described light sources; And,
Regulating device, for by described single-chip microcomputer to regulate each described light source luminescent intensity respectively; Described regulating device is connected with described single-chip microcomputer.Wherein, described at least three light sources at least comprise red light source, blue-light source and green light source.
Wherein, described regulating device comprises: the multiple adjusting knobs corresponding with each described light source, and the multiple A/D converters corresponding with each described adjusting knob;
Each described adjusting knob is connected with described single-chip microcomputer by the described A/D converter of its correspondence.
Wherein, described light source is LED light source.
Wherein, described optical projection system also comprises: screen;
After described at least three light sources are arranged side by side, to irradiate described screen; Described regulating device is arranged between described screen and described light source.
Wherein, described single-chip microcomputer is Programmable Logic Controller or ARM.
Wherein, described regulating device is also provided with wireless communication module; Described regulating device is by described wireless communication module and described single-chip microcomputer wireless connections.
Wherein, described wireless communication module is 3G communication module or WIFI module.
The technical solution of the utility model has following effect:
Such scheme, regulating device regulates the luminous intensity of each light source by single-chip microcomputer, thus make the intensity of not homochromy light source adjustable, therefore after light source irradiation is on object, its color that can synthesize also there occurs corresponding change, the shadow that optical projection system is produced has more color change and can these change of Dynamic Announce, thus the shadow that optical projection system is produced is more bright colorful.
Accompanying drawing explanation
The projection system architecture schematic diagram for generation of color shadow that Fig. 1 provides for the utility model embodiment.
[main element symbol description]
11, red light source;
12, blue-light source;
13, green light source;
2, single-chip microcomputer;
3, regulating device;
31, red light adjusting knob;
32, blue light adjusting knob;
33, green adjusting knob;
41, the first A/D converter;
42, the second A/D converter;
43, the 3rd A/D converter.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The object of the utility model embodiment to be just to solve in prior art color shadow optical projection system and can only to show by static showpiece, spectators can not with optical projection system dynamic interaction, the drawback of the knowledge of color and light can not be demonstrated intuitively, thoroughly.
Be illustrated in figure 1 the projection system architecture schematic diagram for generation of color shadow that the utility model embodiment provides, this optical projection system comprises: at least three light sources, single-chip microcomputer 2 and regulating devices 3; Described at least three light sources are connected with single-chip microcomputer 2 respectively, and regulating device 3 is also connected with single-chip microcomputer 2.
Described at least three light sources are used for the monochromatic light sending different colours respectively; Generally, at least three light sources at least comprise red light source 11, blue-light source 12 and green light source 13.This three-color light source synthesizes the most basic color of white light, and other color arbitrarily can certainly be adopted to synthesize, as long as can produce other color after meeting the optical superposition of wherein two kinds of colors in these light sources.When light source is a lot of, generally red light source 11, blue-light source 12 and green light source 13 are formed one group, adopt the such combination of many groups to meet light source needs.Light source is more, and its shadow is also more.
Described single-chip microcomputer 2 provides signal for giving each light source, and controls the luminous intensity of each light source by this signal intensity, and single-chip microcomputer 2 adopts STC89C52 chip, ROM size 8KB, RAM size 512.Regulating device is used for by single-chip microcomputer 2 to regulate the luminous intensity of each light source respectively.
In utility model embodiment, regulating device 3 regulates the luminous intensity of each light source by single-chip microcomputer 2, thus makes the intensity of not homochromy light source adjustable, thus the light color of synthesis is changed.Regulating device 3 generally can be variable control signal, single-chip microcomputer 2 according to the direct output pulse signal of these control signals to light source.Be radiated at after the intensity of light source changes after on object, its color that can synthesize also there occurs corresponding change, and the shadow that optical projection system is produced has more color change.In addition, regulating device 3 regulates in real time, thus makes the change of these colors can Dynamic Announce, thus the shadow that optical projection system is produced is more bright colorful.
On the basis of above-described embodiment, light source is generally LED light source, and be preferably one common cathode type LED light source, adopt PNP triode to drive, low level conducting is lighted.LED light source not only adjustability is better, can dock with single-chip microcomputer 2 perfection, and long service life.
On the basis of above-described embodiment, further, regulating device 3 comprises: the multiple adjusting knobs corresponding with each light source, and the multiple A/D converters corresponding with each adjusting knob; Each adjusting knob is connected with single-chip microcomputer 2 by the A/D converter of its correspondence.As Fig. 1, when employing three light sources, three adjusting knobs are respectively red light adjusting knob 31, blue light adjusting knob 32 and green adjusting knob 33; Three regulate A/D converter to be respectively the first A/D converter 41, second A/D converter 42 and the 3rd A/D converter 43, to be converted into digital signal to the simulating signal of three adjusting knobs respectively.In actual applications, the regulated quantity of three adjusting knobs is a 10K resistance, then with a 10K resistant series, make the magnitude of voltage of collection between 0-2.5V, A/D converter adopts TLC1543 chip, after being converted to digital signal, and can 0-250 numerical value inside corresponding single-chip microcomputer 2 program.
The optical projection system of the utility model embodiment, also comprises when reality uses: screen; After at least three light sources are arranged side by side, to irradiate this screen; Regulating device 3 is arranged between screen and light source, can also operate regulating device 3 to facilitate spectators when mobile self-position and different gestures.
Further, regulating device 3 can also adopt wireless telecommunications to connect, with convenient operation with the connection of single-chip microcomputer 2.Concrete, regulating device 3 is provided with wireless communication module, and regulating device 3 is by this wireless communication module and single-chip microcomputer 2 wireless connections.This wireless communication module is generally 3G communication module or WIFI module.
On above-described embodiment basis, single-chip microcomputer 2 can be also Programmable Logic Controller or ARM, as long as can meet, digital controlled signal is converted into the adjustable output signal of size.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. for generation of an optical projection system for color shadow, it is characterized in that, comprising:
At least three light sources, for sending different monochromatic light respectively;
Single-chip microcomputer, for providing signal to each described light source, and controlling each described light source luminescent intensity by this signal intensity, being connected respectively with described at least three described light sources; And,
Regulating device, for by described single-chip microcomputer to regulate each described light source luminescent intensity respectively; Described regulating device is connected with described single-chip microcomputer.
2. the optical projection system for generation of color shadow according to claim 1, is characterized in that, described at least three light sources at least comprise red light source, blue-light source and green light source.
3. the optical projection system for generation of color shadow according to claim 2, is characterized in that, described regulating device comprises: the multiple adjusting knobs corresponding with each described light source, and the multiple A/D converters corresponding with each described adjusting knob;
Each described adjusting knob is connected with described single-chip microcomputer by the described A/D converter of its correspondence.
4. the optical projection system for generation of color shadow according to any one of claim 1-3, is characterized in that, described light source is LED light source.
5. the optical projection system for generation of color shadow according to any one of claim 1-3, is characterized in that,
Described optical projection system also comprises: screen;
After described at least three light sources are arranged side by side, to irradiate described screen; Described regulating device is arranged between described screen and described light source.
6. the optical projection system for generation of color shadow according to any one of claim 1-3, is characterized in that, described single-chip microcomputer is Programmable Logic Controller or ARM.
7. the optical projection system for generation of color shadow according to claim 5, is characterized in that, described regulating device is also provided with wireless communication module; Described regulating device is by described wireless communication module and described single-chip microcomputer wireless connections.
8. the optical projection system for generation of color shadow according to claim 7, is characterized in that, described wireless communication module is 3G communication module or WIFI module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520135790.4U CN204462623U (en) | 2015-03-10 | 2015-03-10 | A kind of optical projection system for generation of color shadow |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520135790.4U CN204462623U (en) | 2015-03-10 | 2015-03-10 | A kind of optical projection system for generation of color shadow |
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| CN204462623U true CN204462623U (en) | 2015-07-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458996A (en) * | 2022-03-01 | 2022-05-10 | 广州美术学院 | Light and shadow interaction method |
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2015
- 2015-03-10 CN CN201520135790.4U patent/CN204462623U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458996A (en) * | 2022-03-01 | 2022-05-10 | 广州美术学院 | Light and shadow interaction method |
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