CN204129431U - A kind of system utilizing ultrasound wave perturbation technique to realize line holographic projections - Google Patents
A kind of system utilizing ultrasound wave perturbation technique to realize line holographic projections Download PDFInfo
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- CN204129431U CN204129431U CN201420492357.1U CN201420492357U CN204129431U CN 204129431 U CN204129431 U CN 204129431U CN 201420492357 U CN201420492357 U CN 201420492357U CN 204129431 U CN204129431 U CN 204129431U
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Abstract
The utility model provides a kind of system utilizing ultrasound wave perturbation technique to realize line holographic projections, comprise the ultrasound wave emitting structural of frequency conversion, light projection structure and middle control structure, light projection structure is connected with computing machine or intelligent terminal by USB interface, ultrasound wave emitting structural, light projection structure are connected with middle control structure respectively by circuit, and light projection structure is arranged at above ultrasound wave emitting structural.The utility model forms air screen by the orderly vibration of the air molecule before ultrasound wave emitting structural, again by the air screen combination therewith of the image of projection, change the limitation that 3D glasses of need arranging in pairs or groups play by original 3D projector, reach the 3D imaging effect of air molecule, suitable application region scope is wide, condition is simple, long service life, and dangerous little.
Description
Technical field
The utility model belongs to holographic and projection display technique field, especially relates to a kind of system utilizing ultrasound wave perturbation technique to realize line holographic projections.
Background technology
Line holographic projections is exactly a kind of technology of three-dimensional imaging in atmosphere, be different from plane screen projection and only pass through perspective, the existing stereoscopic sensation of shade equivalence fruit in two-dimensional surface, line holographic projections technology is the image really presenting 3D, can watch the not ipsilateral of image from any angle of 360 °.Realized out by the U.S. science and engineering postgraduate the earliest, utilize " mirage " principle, imaging in water vapor, can only project in water vapor, some companies of other country, scientific research institutions also investigated the technology utilizing the imaging of the method such as laser projection and rotating mirror in succession afterwards, there is laser projection air by nitrogen oxygen separating, form small blasting and carry out refract light, although be physical change security and stability or not high.
Light is allowed by producing stereoprojection during air, to be that researchist explores always.The utility model is external all for current domestic operation technique, and there is no the present situation of acoustic transmission technology imaging in global range, utilize the interference of sound wave to vibrate and allow air produce vibration in order, form air screen, thus reach the three-dimensional imaging effect in air.
Summary of the invention
Problem to be solved in the utility model is to provide one and utilizes ultrasound wave perturbation technique to realize holographic projection system, and the utility model changes the limitation that 3D glasses of need arranging in pairs or groups play by original 3D projector, and reach 3D imaging effect in air, suitable application region scope is wide.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of system utilizing ultrasound wave perturbation technique to realize line holographic projections, comprise the ultrasound wave emitting structural of frequency conversion, light projection structure and middle control structure, described smooth projection structure is connected with computing machine or intelligent terminal by USB interface, described ultrasound wave emitting structural, described smooth projection structure is connected with described middle control structure respectively by circuit, described smooth projection structure is arranged at above described ultrasound wave emitting structural, described ultrasound wave emitting structural comprises power circuit, ultrasonic generator, amplifying circuit, comparer and transducer, microcontrol processor is provided with in described ultrasonic generator, the power output end of described power circuit is connected with the power input of described ultrasonic generator, the signal output part of described ultrasonic generator is connected with the signal input part of described amplifying circuit, the signal input part of described amplifying circuit is connected with the signal input part of described comparer, the signal output part of described comparer is connected with the signal output part of described transducer, described smooth projection structure comprises the backlight be arranged in order, positive heart Fresnel mirror, wide temperature liquid crystal display and eccentric Fresnel mirror, light projection head, described light projection head is two or three piece type camera head.
Preferably, described ultrasound wave emitting structural also comprises sound wave projection mouth, and the distance that described light projection head and described sound wave project between mouth is no more than 1cm.
Preferably, described backlight is the red laser of high strength.
Preferably, the storing temperature of described wide temperature liquid crystal display is-20 ~ 70 DEG C, and working temperature is 0 ~ 50 DEG C.
Utilize ultrasound wave perturbation technique to realize a method for line holographic projections, it is characterized in that, comprise the following steps:
(1) ultrasound wave emitting structural is to air launch sound wave, drive the air molecule of 0.5 ~ 1.3m place scope in 50cm*60cm*70cm in face of described pinger that vibration in order occurs, form multi-level air vibration stream, described air vibration stream forms an air screen;
(2) backlight constantly reflects the stacked light of superposition formation by optical texture;
(3) the stacked Transmission light described in step (2) is in step (1) described air screen, forms line holographic projections figure.
Preferably, in step (1), the vibration frequency range of ultrasound wave emitting structural is 0.08 ~ 0.15MHz.
Preferably, the described optical texture in step (2) comprises the positive heart Fresnel mirror be arranged in order, wide temperature liquid crystal display, eccentric Fresnel mirror and light projection head.
Preferably, the backlight described in step (2) adopts high strength red laser.
Preferably, the sound wave of described light projection head and described ultrasound wave emitting structural projects mouth distance and is no more than 1cm.
Preferably, the air screen described in step (3) carrys out isolate interference from outside by funnel shaped translucent cover.
The utility model forms air screen by the orderly vibration of the air molecule before ultrasound wave emitting structural, again by the air screen combination therewith of the image of projection, change the limitation that 3D glasses of need arranging in pairs or groups play by original 3D projector, reach the 3D imaging effect of air molecule, can use anywhere, suitable application region scope is wide, and condition is simple, long service life, and dangerous little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
In figure: 1, computing machine 2, ultrasound wave emitting structural 3, light projection structure 4, translucent cover 5, middle control structure 6, backlight 7, positive heart Fresnel mirror 8, wide temperature liquid crystal display 9, eccentric Fresnel mirror 10, light projection 11, sound wave projection mouth
Embodiment
Sound wave mainly by ultrasound wave vibration principle, projects in air by ultrasound wave emitting structural by the utility model, drives air molecule to vibrate by acoustic vibration.We cannot see that air molecule reflected light is because air molecule intensity of reflected light is far below light source intensity in atmosphere at ordinary times, we are exactly the air vibration stream that can be formed when allowing air molecule vibrate from level to level, making air molecule compacter in subrange, orderly, similarly is define an air screen.Like this when within the scope of light source projects is to this time, because the continuous reflection superposition of light can allow light intensity rise in visual range, simultaneously ray cast out time be also stacked appearance, like this just as the 3D film seen, ray cast is on this air screen, only because air screen is plane unlike ordinary screen but a space, so the image formed in space is solid and does not need the auxiliary of 3D glasses.
The vibration frequency that the utility model works out ultrasound wave vibration controls continuous frequency conversion within the scope of 0.08 ~ 0.15MHz, before can driving the projector, the 0.5 ~ 1.3m place air of scope in about 50cm*60cm*70cm vibrates in order, just as water-bed undercurrent, but not sinuous flow but olderly flowage.For the luminescence of a picture point.Process with two printing opacity screens, screen is above a screen being specifically designed to screening, the same with the effect of the lcd segment of LCD screen; Screen is below the screen of a common illuminating.These two screens pull open certain distance.For the luminescence of a point, first suppose this centre at these two screens, the luminescence of this virtual point is reduced, to separate with presenting a frame timesharing of this point, when timeslice 1, No. 1 pixel transmittance of forth screen, is calculated which pixel transmittance of rear screen by the position of picture point; During timeslice 2, No. 2 pixel transmittance of forth screen, then by the pixel transmittance position of screen after the position calculation of picture point, by that analogy.Wherein, during a process point luminous, during some pixel transmittance of forth screen, rear screen only has a pixel to respond mutually, but can produce waste.So when process picture, process like this: when the some pixel transmittance of forth screen, the whole screen of rear screen responds all to some extent.So just accomplish the level imaging of whole picture.
Finally, light projection structure Journalistic level light out projects and is driven in the air molecule of vibration in order by sound wave, by the continuous reflection superposition of air molecule multi-angle, adds the multi-level projection of glazing, forms stereopsis.
Light projection head and sound wave project mouth distance and must not exceed 1cm, otherwise the image of projection and air screen cannot be combined.
As shown in Figure 1, the utility model provides a kind of system utilizing ultrasound wave perturbation technique to realize line holographic projections, comprise ultrasound wave emitting structural 2, light projection structure 3 and middle control structure 5, ultrasound wave emitting structural 2, light projection structure 3 is connected with middle control structure 5 respectively by circuit, light projection structure 3 is arranged at above ultrasound wave emitting structural 2, ultrasound wave emitting structural 2 comprises power circuit, ultrasonic generator, amplifying circuit, comparer and transducer, microcontrol processor is provided with in ultrasonic generator, the power output end of power circuit is connected with the power input of ultrasonic generator, the signal output part of ultrasonic generator is connected with the signal input part of amplifying circuit, the signal input part of amplifying circuit is connected with the signal input part of comparer, the signal output part of comparer is connected with the signal output part of transducer, light projection structure 3 comprises the backlight 6 be arranged in order, positive heart Fresnel mirror 7, wide temperature liquid crystal display 8 and eccentric Fresnel mirror 9, light projection 10, light projection 10 is two or three piece type camera head.Light projection structure 3 is connected by USB structure and calculation machine or intelligent terminal, is linked up by the access between the USB/1G flash memory in the external world, reads flash content and is shown in liquid crystal display, and can realize various upset, image feature etc. with single-chip microcomputer.
Embodiment 1
Ultrasound wave perturbation technique is utilized to realize the system of line holographic projections, comprise ultrasound wave emitting structural 2, light projection structure 3 and middle control structure 5, ultrasound wave emitting structural 2, light projection structure 3 is connected with middle control structure 5 respectively by circuit, light projection structure 3 is arranged at above ultrasound wave emitting structural 2, ultrasound wave emitting structural 2 comprises power circuit, ultrasonic generator, amplifying circuit, comparer and transducer, microcontrol processor is provided with in ultrasonic generator, the power output end of power circuit is connected with the power input of ultrasonic generator, the signal output part of ultrasonic generator is connected with the signal input part of amplifying circuit, the signal input part of amplifying circuit is connected with the signal input part of comparer, the signal output part of comparer is connected with the signal output part of transducer, light projection structure 3 comprises the backlight 6 be arranged in order, positive heart Fresnel mirror 7, wide temperature liquid crystal display 8 and eccentric Fresnel mirror 9, light projection 10, backlight is the red laser of high strength, light projection 10 is double-piece photographic head, ultrasound wave emitting structural 2 also comprises sound wave projection mouth 11, light projection 10 and sound wave project the distance 0.75cm between mouth 11.
Utilize ultrasound wave perturbation technique to realize a method for line holographic projections, comprise the following steps:
(1) ultrasound wave emitting structural 2 is to air launch sound wave, the vibration frequency range of ultrasound wave emitting structural 2 is 0.10MHz, drive the air molecule of 0.5 ~ 1.3m place scope in 50cm*60cm*70cm in face of pinger 2 that vibration in order occurs, allow air molecule is formed at many levels, multi-angle flowing, air vibration stream forms an air screen;
(2) red laser of high strength forms stacked light by positive heart Fresnel mirror 7, wide temperature liquid crystal display 8, an eccentric Fresnel mirror 9 and light projection 10 continuous reflection superposition successively;
(3) in step (2), stacked Transmission light, in step (1) air screen, forms line holographic projections figure.
Embodiment 2
A kind of system utilizing ultrasound wave perturbation technique to realize line holographic projections, comprise ultrasound wave emitting structural 2, light projection structure 3 and middle control structure 5, ultrasound wave emitting structural 2, light projection structure 3 is connected with middle control structure 5 respectively by circuit, light projection structure 3 is arranged at above ultrasound wave emitting structural 2, ultrasound wave emitting structural 2 comprises power circuit, ultrasonic generator, amplifying circuit, comparer and transducer, microcontrol processor is provided with in ultrasonic generator, the power output end of power circuit is connected with the power input of ultrasonic generator, the signal output part of ultrasonic generator is connected with the signal input part of amplifying circuit, the signal input part of amplifying circuit is connected with the signal input part of comparer, the signal output part of comparer is connected with the signal output part of transducer, light projection structure 3 comprises the red laser be arranged in order, positive heart Fresnel mirror 7, wide temperature liquid crystal display 8 and eccentric Fresnel mirror 9, light projection 10, light projection 10 is three piece type camera head, ultrasound wave emitting structural 2 also comprises sound wave projection mouth 11, and light projection 10 and the sound wave distance projected between mouth 11 are 1cm.
The storing temperature of wide temperature liquid crystal display 8 is-20 ~ 70 DEG C, and working temperature is 0 ~ 50 DEG C.
Utilize ultrasound wave perturbation technique to realize a method for line holographic projections, comprise the following steps:
(1) ultrasound wave emitting structural 2 is to air launch sound wave, the vibration frequency range of ultrasound wave emitting structural 2 is 0.15MHz, drive the air molecule of 0.5 ~ 1.3m place scope in 50cm*60cm*70cm in face of described pinger that vibration in order occurs, allow air molecule is formed at many levels, multi-angle flowing, described air vibration stream forms an air screen;
(2) red laser forms stacked light by positive heart Fresnel mirror 7, wide temperature liquid crystal display 8, an eccentric Fresnel mirror 9 and light projection 10 continuous reflection superposition successively;
(3) in step (2), the stacked Transmission light of institute, in step (1) air screen, forms line holographic projections figure.
Step (1) or the middle air screen of step (3) carry out isolate interference from outside by funnel shaped translucent cover 4.Because can affect air flowing when there being wind, therefore it is desirable that the space of a geo-stationary, outer bound pair air flow effect is the smaller the better.Enclose so air screen scope needs translucent cover as funnel to come 4, carry out isolate interference from outside.
Above several embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (4)
1. the system utilizing ultrasound wave perturbation technique to realize line holographic projections, it is characterized in that: the ultrasound wave emitting structural comprising frequency conversion, light projection structure and middle control structure, described smooth projection structure is connected with computing machine or intelligent terminal by USB interface, described ultrasound wave emitting structural, described smooth projection structure is connected with described middle control structure respectively by circuit, described smooth projection structure is arranged at above described ultrasound wave emitting structural, described ultrasound wave emitting structural comprises power circuit, ultrasonic generator, amplifying circuit, comparer and transducer, microcontrol processor is provided with in described ultrasonic generator, the power output end of described power circuit is connected with the power input of described ultrasonic generator, the signal output part of described ultrasonic generator is connected with the signal input part of described amplifying circuit, the signal input part of described amplifying circuit is connected with the signal input part of described comparer, the signal output part of described comparer is connected with the signal output part of described transducer, described smooth projection structure comprises the backlight be arranged in order, positive heart Fresnel mirror, wide temperature liquid crystal display and eccentric Fresnel mirror, light projection head, described light projection head is two or three piece type camera head.
2. the system utilizing ultrasound wave perturbation technique to realize line holographic projections according to claim 1, is characterized in that: described ultrasound wave emitting structural also comprises sound wave projection mouth, and the distance that described light projection head and described sound wave project between mouth is no more than 1cm.
3. the system utilizing ultrasound wave perturbation technique to realize line holographic projections according to claim 2, is characterized in that: described backlight is the red laser of high strength.
4. the system utilizing ultrasound wave perturbation technique to realize line holographic projections according to claim 3, is characterized in that: the storing temperature of described wide temperature liquid crystal display is-20 ~ 70 DEG C, and working temperature is 0 ~ 50 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420492357.1U CN204129431U (en) | 2014-08-28 | 2014-08-28 | A kind of system utilizing ultrasound wave perturbation technique to realize line holographic projections |
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| CN201420492357.1U CN204129431U (en) | 2014-08-28 | 2014-08-28 | A kind of system utilizing ultrasound wave perturbation technique to realize line holographic projections |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166301A (en) * | 2014-08-28 | 2014-11-26 | 天津光影迅科技有限公司 | System and method for achieving holographic laser projection through ultrasonic interfering technique |
| CN106210438A (en) * | 2016-08-31 | 2016-12-07 | 蒋欣飏 | A kind of information issuing method based on line holographic projections and system |
-
2014
- 2014-08-28 CN CN201420492357.1U patent/CN204129431U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166301A (en) * | 2014-08-28 | 2014-11-26 | 天津光影迅科技有限公司 | System and method for achieving holographic laser projection through ultrasonic interfering technique |
| CN104166301B (en) * | 2014-08-28 | 2017-03-22 | 天津晴丰生产力促进有限公司 | Method for achieving holographic laser projection through ultrasonic interfering technique |
| CN106210438A (en) * | 2016-08-31 | 2016-12-07 | 蒋欣飏 | A kind of information issuing method based on line holographic projections and system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20150828 |
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| EXPY | Termination of patent right or utility model |