CN207895224U - Bending of light system for air projection - Google Patents
Bending of light system for air projection Download PDFInfo
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- CN207895224U CN207895224U CN201820360979.7U CN201820360979U CN207895224U CN 207895224 U CN207895224 U CN 207895224U CN 201820360979 U CN201820360979 U CN 201820360979U CN 207895224 U CN207895224 U CN 207895224U
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Abstract
A kind of bending of light system for air projection, the main points of its technical scheme are：Including projection device and light bending device, the light bending device is rectangular box-like, the rectangular box includes two the first light transmission side plates and the second light transmission side plate being mutually parallel, rectangular box is internally provided with 1 light transmission partitions parallel with the first light transmission side plate and the second light transmission side plate of M, the rectangular box inside division is M grid by 1 the first light transmission side plate, the second light transmission side plate and the M partitions, and wherein M is the natural number more than 1；It is injected with light transmission medium in each grid, from the 1st grid formed by the first light transmission side plate and first partitions, to the m-th grid formed by 1 partitions of the second light transmission side plate and M, the refractive index of the light transmission medium in the M grid changes in gradient from small to large.The utility model has the advantage of without using solid imaging medium, you can the image of viewing projection device projection.
Description
Technical field
The utility model is related to shadow casting techniques, and in particular to a kind of bending of light system for air projection.
Background technology
Currently, common display technology is required for tangible image forming medium, image information could be watched or obtain, for example,
LED display is using LED light source as light emitting pixel, and to construct the image of display, image forming medium is LED light source itself；Commonly
Projector then needs image being projected to shaped screen（Such as curtain or wall）On shown, image forming medium is screen.
And air shadow casting technique is that image is directly projected in air, viewer's viewing floats on the image in air,
This shadow casting technique is not necessarily to tangible image forming medium, provides a kind of completely new interaction platform and interactive interface, is particularly suitable for
Community education, community service, social management etc. can be that viewer brings true intuitive experience.
The prior art can refer to the Chinese utility model patent that Authorization Notice No. is CN204807905U, as shown in figure 3, should
Patent discloses a kind of portable air projection arrangement, including：Steam (vapor) outlet 110, for generating gaseous state curtain wall；Communication interface 120,
For with portable mobile communication equipment（Such as mobile phone）Signal connects；Signal transmitting and receiving and processing unit, for passing through the communication
Interface 120 receives the display signal from the portable mobile communication equipment, and the display signal is converted to projection control
Signal；Projection lens 130 is connect with the signal transmitting and receiving and processing unit, for controlling signal according to the projection, sends out light
Image is learned, is incident upon on the gaseous state curtain wall of the generation of the steam (vapor) outlet 110.
The above-mentioned prior art without using having shaped screen or wall, facilitate user by the electronic material on mobile phone whenever and wherever possible
It is demonstrated or is shared, but need to use steam curtain wall, this remains as user and brings inconvenience, such as in certain public places
There is no power supply, leads to that steam curtain wall cannot be formed to water continuous heating；Also, during forming steam curtain wall, can also it disappear
Consume larger energy.
Utility model content
The purpose of this utility model is to provide a kind of bending of light system for air projection, its advantage is that without using
Steam curtain wall, you can realizing air projection, improving the convenience used, and energy saving purpose can be reached.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of bending of light system for air projection, including projection device and light bending device, the light are curved
Bent device is rectangular box-like, and includes two the first light transmission side plates and the second light transmission side plate being mutually parallel, and the projection is set
The standby first light transmission side plate outside that is located at is projected towards light bending device；The light bending device is rectangular box-like, and
The the first light transmission side plate and the second light transmission side plate being mutually parallel including two, rectangular box are internally provided with M-1 and the first light transmission
Side plate and the parallel light transmission partitions of the second light transmission side plate, the first light transmission side plate, the second light transmission side plate and the M-1 every
The rectangular box inside division is M grid by broken piece, and wherein M is the natural number more than 1；Light transmission Jie is injected in each grid
Matter, the light transmission medium are gas, also, from the 1st grid formed by the first light transmission side plate and first partitions, arrive by
The m-th grid that second light transmission side plate and the M-1 partitions are formed, the refractive index of the light transmission medium in the M grid from
It is small to big or change in gradient from big to small.
Through the above technical solutions, being the image that may be viewed by projection device projection without using tangible image forming medium, specifically
Ground, light are injected from the first light transmission side plate, are projected from the second light transmission side plate, light is in the first light transmission side plate and the second light transmission side plate
Between grid in reflect, due to the light transmission medium refractive index difference in each grid, make light in the refraction of M grid
Under bend, when projection arrangement to light bending device from projecting on the outside of the first light transmission side plate, light can be in M grid
Occur to reflect and be bent, allows viewer when the second light transmission side plate side is watched in the upper air of light bending device
Or projected image is seen in lower air.
Preferably, it is equipped with import at the top of each grid, for injecting light transmission medium, bottom is equipped with outlet, for being discharged
Optical medium.
Through the above technical solutions, being conveniently adjusted the injection rate of light transmission medium, and light transmission can be discharged after use
Medium, convenient for being cleaned to light bending device.
Preferably, the gaseous species in the M grid are identical or different, and from the 1st grid to the M
The atmospheric density of a grid changes in gradient from small to large or from big to small.
Through the above technical solutions, changing in gradient from small to large or from big to small due to atmospheric density, refractive index
Change in gradient from small to large or from big to small, light is made to bend when entering rectangular box.
Preferably, when the gaseous species in the M grid are identical, the gas in M grid is carbon dioxide, argon gas
Or one kind in nitrogen；When gaseous species difference in the M grid, the gas in each grid be respectively carbon dioxide,
Argon gas or nitrogen.
Through the above technical solutions, the gas density of carbon dioxide, argon gas or nitrogen is sequentially reduced, refractive index is also successively
Reduce, and carbon dioxide, argon gas or nitrogen are colourless non-toxic gas, it is at low cost, it is easy to obtain, multiple gases can be passed through
Combination or single gas are injected separately into different gas flows and achieve the effect that bend light rays in each grid.
Preferably, each grid is provided with atmospheric density sensing device, for detecting the atmospheric density in the grid in real time,
And the atmospheric density that detection obtains is sent to terminal；After terminal receives atmospheric density, according to atmospheric density and refractive index
Correspondence calculates the gas flow that should be injected in corresponding grid, and injects according to the air capacity or gas is discharged, to control
Make the gas density in each grid.
Preferably, the atmospheric density sensing device is communicated to connect with display unit, is used for real-time display atmospheric density sense
Answer the atmospheric density that device detects.
Through the above technical solutions, user can easily watch the atmospheric density in grid, to pass through terminal control
The refractive index of air in grid.
Preferably, the first light transmission side plate or the second light transmission side plate are acrylic board, glass plate or transparent membrane, described
Light transmission partitions is acrylic board, glass plate or transparent membrane.
Through the above technical solutions, the translucency of light bending device is good, and it is not easy with certain mechanical strength
Deformation.
The utility model also provides a kind of bending of light system for air projection, including projection device and one of aforementioned
Light bending device, the projection device is located on the outside of the first light transmission side plate, projected towards light bending device.
Through the above technical solutions, when projection arrangement is projected from the first light transmission side plate outside to light bending device, light
It can occur to reflect and be bent in M grid, keep viewer curved in light when the second light transmission side plate side is watched
See projected image in the upper air or lower air of bent device.
In conclusion the utility model has the advantages that：Without using steam curtain wall, directly formed in air
Projection, it is user-friendly, and can be energy saving.
Description of the drawings
Fig. 1 is the light bending device structural schematic diagram；
Fig. 2 is light propagation path and projected position schematic diagram in the light bending device；
Fig. 3 is portable air projection arrangement structural schematic diagram in background technology.
In figure, 1, light bending device；11, import；12, it exports；13, the first light transmission side plate；14, the second light transmission side plate；
15, light transmission partitions；2, display unit；3, terminal.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment one：
As shown in Figure 1, the present embodiment provides a kind of bending of light system for air projection, light bending device 1 is in
Rectangular box shape, including two the first light transmission side plates 13 and the second light transmission side plate 14 being mutually parallel, rectangular box is internally provided with M-1
A light transmission partitions 15 parallel with the first light transmission side plate 13 and the second light transmission side plate 14, the first light transmission side plate 13, the second light transmission
The rectangular box inside division is M grid by side plate 14 and the M-1 light transmission partitions 15, and wherein M is the nature more than 1
Number；Be injected with the different light transmission medium of refractive index in each grid, also, from by the first light transmission side plate 13 and first light transmission every
The 1st grid that broken piece is formed, to the m-th grid formed by the second light transmission side plate 14 and the M-1 light transmission partitions, light transmission
The refractive index of medium changes in gradient from small to large.
Above-mentioned first light transmission side plate 13, the second light transmission side plate 14 and light transmission partitions 15 can be for acrylic board, glass
Glass plate or transparent membrane.Acrylic board, glass plate and transparent membrane are colourless bright material, do not influence light path and mechanical strength
Height is not susceptible to deformation.
The light bending device 1 usually uses in room temperature environment.
As shown in Figure 1, being equipped with import 11 at the top of each grid, for injecting light transmission medium, bottom is equipped with outlet 12, is used for
Light transmission medium is discharged, the outlet 12 can be arranged in the bottom of the front side board of grid, the first light transmission of front side board side plate 13,
Second light transmission side plate 14, transparent partitions 15 are vertically arranged.
Light transmission medium in the present embodiment is air, and each grid is provided with atmospheric density sensing device, for examining in real time
The atmospheric density in the grid is surveyed, and the atmospheric density that detection obtains is sent to terminal 3；Terminal 3 and the atmospheric density sense
Device is answered to communicate to connect, terminal 3 is after the atmospheric density sensing device receives atmospheric density, according to atmospheric density and refraction
The correspondence of rate calculates the air capacity that should be injected in corresponding grid, and controls import 11 or outlet according to the air capacity
12, it is injected in corresponding grid or air is discharged, to control the atmospheric density in each grid.
Atmospheric density in grid for convenience of user to watch controls the air capacity of injection grid thereby using terminal 3,
Atmospheric density sensing device can be communicated to connect with display unit 2, and the display unit 2 can be display screen, real-time display lattice
Atmospheric density in grid.As shown in Figure 1, the display screen can be arranged on the front side board of each grid, and preferably set
It sets on the top of front side board.
As shown in Fig. 2, the present embodiment also provides a kind of bending of light system for air projection, including above-mentioned light is curved
Bent device and the projection device being used cooperatively with it.When specifically used, the projection device is located at 13 outside of the first light transmission side plate,
It is projected towards light bending device 1, viewer is located at the outside of the second light transmission side plate 14, you can on light bending device 1
The image that projection device is sent out is watched in the air of side.
Embodiment two：
The overall structure of the present embodiment is roughly the same with embodiment one with operation principle, the difference is that：Above-mentioned M grid
Light transmission medium in lattice is different types of gas, from the 1st grid to m-th grid, the refractive index of light transmission medium by it is small to
Change in gradient greatly.
For example, it is assumed that there is 4 grids（That is M=4）, N is sequentially added in the 1st grid to the 4th grid2、Ne2、Ar2、
CO2, and their refractive index is successively increased, to realize that air projects.
Embodiment three：
In embodiment one to two, from the 1st grid to m-th grid, the refractive index of light transmission medium is from small to large in gradient
Variation, the image light that projection device is sent out at this time pass through the refraction of M grid, can be bent downwardly（As shown in Figure 2）.And human eye
The light watched is always along straightline propagation, so when the image light that projection device is sent out is bent downwardly, viewer's meeting
See image in the air above projection device（I.e. upper clam）.
Example IV：
The present embodiment is roughly the same with the realization principle of embodiment one to three, the difference is that：From the 1st grid to
The refractive index of M grid, light transmission medium changes in gradient from big to small.At this point, the image light that projection device is sent out is through excessive
After the refraction of grade grid, it can be bent upwards, viewer can see image in the air below projection device（Descend clam）.
The course of work of the utility model is as follows（It is illustrated by taking embodiment one to three as an example）：
As depicted in figs. 1 and 2, projection device will be opened after the light transmission medium density adjustment in each grid, makes throwing
Shadow equipment is projected towards the first light transmission side plate 13, since the refractive index of M grid iuuminting medium is ascending in gradient
Variation, the image information that projection device is sent out is bent downwardly after the refraction of multistage grid, and the light that human eye is watched is total
It is along straightline propagation, so viewer can see image in the air above projection device.
After finishing, the light transmission medium in all grids can be discharged from outlet 12.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (7)
1. a kind of bending of light system for air projection, it is characterised in that：Including projection device and light bending device
（1）, the light bending device (1) is rectangular box-like, and includes two the first light transmission side plates (13) being mutually parallel and
Two light transmission side plates (14), the projection device is located on the outside of the first light transmission side plate (13) to be projected towards light bending device (1)；
Rectangular box is internally provided with the M-1 light transmission partitions parallel with the first light transmission side plate (13) and second light transmission side plate (14)
(15), the first light transmission side plate (13), the second light transmission side plate (14) and the M-1 partitions are by the rectangular box inside points
It is segmented into M grid, wherein M is the natural number more than 1；
Light transmission medium is injected in each grid, the light transmission medium is gas, also, from by the first light transmission side plate (13) and the
The 1st grid that one partitions is formed arrives the m-th grid formed by the second light transmission side plate (14) and the M-1 partitions,
The refractive index of light transmission medium in the M grid changes in gradient from small to large or from big to small.
2. the bending of light system according to claim 1 for air projection, which is characterized in that set at the top of each grid
There is import (11), for injecting light transmission medium, bottom is equipped with outlet (12), for light transmission medium to be discharged.
3. the bending of light system according to claim 1 for air projection, which is characterized in that in the M grid
Gaseous species it is identical or different, and the gas density from the 1st grid to the m-th grid from small to large or from
It arrives greatly and small changes in gradient.
4. the bending of light system according to claim 2 for air projection, which is characterized in that in the M grid
Gaseous species it is identical when, the gas in M grid is one kind in carbon dioxide, argon gas or nitrogen；In the M grid
Gaseous species difference when, the gas in each grid is respectively carbon dioxide, argon gas or nitrogen.
5. the bending of light system according to claim 4 for air projection, which is characterized in that each grid is provided with
Atmospheric density sensing device is sent to for detecting the atmospheric density in the grid in real time, and by the atmospheric density that detection obtains
Terminal (3)；Terminal（3）After receiving atmospheric density, according to the correspondence of atmospheric density and refractive index, calculate in corresponding grid
The gas flow that should be injected, and inject according to the gas flow or gas is discharged, to control the gas density in each grid.
6. the bending of light system according to claim 5 for air projection, which is characterized in that the atmospheric density sense
Device is answered to be communicated to connect with display unit (2), the atmospheric density detected for real-time display atmospheric density sensing device.
7. the bending of light system for air projection according to one of claim 1-6, which is characterized in that described
First light transmission side plate (13) or the second light transmission side plate (14) are acrylic board, glass plate or transparent membrane, the light transmission partitions
(15) it is acrylic board, glass plate or transparent membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820360979.7U CN207895224U (en) | 2018-03-15 | 2018-03-15 | Bending of light system for air projection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820360979.7U CN207895224U (en) | 2018-03-15 | 2018-03-15 | Bending of light system for air projection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207895224U true CN207895224U (en) | 2018-09-21 |
Family
ID=63542209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820360979.7U Active CN207895224U (en) | 2018-03-15 | 2018-03-15 | Bending of light system for air projection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207895224U (en) |
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2018
- 2018-03-15 CN CN201820360979.7U patent/CN207895224U/en active Active
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