CN208795932U - A kind of aerial projecting light path's system applied to intelligent interaction - Google Patents
A kind of aerial projecting light path's system applied to intelligent interaction Download PDFInfo
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- CN208795932U CN208795932U CN201820954215.0U CN201820954215U CN208795932U CN 208795932 U CN208795932 U CN 208795932U CN 201820954215 U CN201820954215 U CN 201820954215U CN 208795932 U CN208795932 U CN 208795932U
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- intelligent interaction
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- projecting light
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Abstract
The utility model relates to a kind of technical field of intelligent interaction, specifically disclose a kind of aerial projecting light path's system applied to intelligent interaction, the reflection mould group equipped with backlight module and for reflecting the backlight module emergent ray；The free-form curved mirror of high-precision injection molding is equipped in the reflection mould group.A kind of aerial projecting light path's system applied to intelligent interaction provided by the utility model, using the free-form curved mirror of photoelectric elements precision controlling, reflected light path is constructed using geometric optics, it realizes and is experienced without medium air projection intelligent interaction, compared to the existing aerial shadow casting technique based on DRCA, manufacture difficulty is lower, and cost is lower.
Description
Technical field
The utility model relates to technical field of intelligent interaction more particularly to a kind of aerial projections applied to intelligent interaction
Light path system.
Background technique
No medium air projection is also referred to as virtual image technology, is based on DRCA optical element, utilizes discrete small unit light
It learns element (about 100 μm of sizes), after photoelectric elements precision controlling cuts light subdivision, geometric optics is recycled to be gathered in
Be imaged in air, the projection of no medium air and C-HUD (being imaged by combiner), W-HUD (directly by windshield at
Picture) it is as follows: with the main distinction of AR-HUD
As it can be seen that the interactivity of no medium air projection is more preferable compared with AR-HUD.It is good in practical application scene
Interactivity illustrated in combination with following two scenes:
However, currently based on the still immature without medium shadow casting technique of DRCA, for example the aerial shadow casting technique of 3D of Japan exists
Have use in industry, but its cost is too high, if applying in civil nature technical field cost it is too high and for light path design with
There is also very big challenges for structure design.
Summary of the invention
The technical issues of the utility model provides a kind of aerial projecting light path's system applied to intelligent interaction, solution is existing
Have HUD cannot achieve high interactivity without medium projection and the existing aerial shadow casting technique manufacture threshold height based on DRCA at
This is high.
In order to solve the above technical problems, the utility model provides a kind of system, aerial projecting light path applied to intelligent interaction
System, the reflection mould group equipped with backlight module and for reflecting the backlight module emergent ray；
The free-form curved mirror of high-precision injection molding is equipped in the reflection mould group.
Specifically, the free-form curved mirror is set in imaging optical path, between the backlight module and image, is belonged to
Catoptric imaging.
In a preferred embodiment, the backlight module is TFT mould group, including LED light source, TFT, even mating plate and Fresnel
Lens；The Fresnel Lenses is between the even mating plate and illumination path, for promoting the brightness and uniformity of image.
Preferably, the Fresnel Lenses is substituted with DOE eyeglass, and the even mating plate is diffuser plate.In another preferred implementation
In example, the backlight module is minitype projection group, and the minitype projection group includes projecting block and receiving screen；The receiving screen
For reflection-type or transmission-type.
More specifically, the projecting block is DLP projection, LCOS projective module group or laser projection mould group.
In the present invention, the expression formula of the free-form curved mirror is Ze Nike standard rise face or extension multinomial side
Journey etc. can satisfy the free form surface equation of imaging requirements.
More specifically, being additionally provided with the folding between the backlight module and the free-form curved mirror in the reflection mould group
Mirror is returned, for folding optical path, with the physical size of reduction system.The mirror of turning back is located near optical path crosspoint.
Preferably, the mirror of turning back is 2 or 3.
Optionally, a kind of aerial projecting light path's system applied to intelligent interaction provided by the utility model further includes accepting
The windshield of the free-form curved mirror reflected light.
A kind of aerial projecting light path's system applied to intelligent interaction provided by the utility model, using photoelectric elements essence
The free-form curved mirror for spending control constructs reflected light path using geometric optics, realizes without medium air projection intelligent interaction experience
Good, compared to the existing aerial shadow casting technique based on DRCA, manufacture difficulty is lower, and cost is lower.
Detailed description of the invention
Fig. 1 is a kind of optical path of aerial projecting light path's system applied to intelligent interaction provided by the embodiment of the utility model
Schematic diagram；
Fig. 2 is a kind of light for aerial projecting light path's system applied to intelligent interaction that the utility model embodiment 1 provides
Line structure figure；
Fig. 3 is a kind of light for aerial projecting light path's system applied to intelligent interaction that the utility model embodiment 2 provides
Line structure figure.
Specific embodiment
The embodiments of the present invention is specifically illustrated with reference to the accompanying drawing, and embodiment is only given in order to illustrate mesh
, it can not be interpreted as the restriction to the utility model, including attached drawing is only for reference and illustrates use, do not constituted practical new to this
The limitation of type scope of patent protection, because on the basis of not departing from the spirit and scope of the utility model, it can be to the utility model
Carry out many changes.
Embodiment 1
A kind of light path principle of aerial projecting light path's system applied to intelligent interaction provided by the embodiment of the utility model
Figure, as shown in Figure 1, its light channel structure figure can be found in Fig. 2.A kind of aerial projecting light path's system applied to intelligent interaction
Reflection mould group 2 equipped with backlight module 1 and for reflecting 1 emergent ray of backlight module；
The free-form curved mirror 21 of high-precision injection molding is equipped in the reflection mould group 2；
The free-form curved mirror 21 is high-accuracy injection molding eyeglass or moulded glass eyeglass, image source can be made at reality
Picture, imaging position is between eyeball and free form surface.The free-form curved mirror 21 is set in imaging optical path, is located at the back
Between optical mode group 1 and image, belong to catoptric imaging.
In the present embodiment, the backlight module 1 is TFT mould group, including LED light source, TFT, even mating plate and Fresnel be saturating
Mirror, the Fresnel Lenses is between the even mating plate and illumination path, for promoting the brightness and uniformity of image, and
And the Fresnel Lenses can be substituted with DOE eyeglass.The even mating plate uses diffuser plate, and it is soft for guaranteeing that image enters eyeball
Sum, it avoids LED in ocular imaging, forms dazzle.DOE (Diffractive Optical Elements, diffraction optics member
Part) it is a series of movable eyeglasses in litho machine, for generating light source required for photoetching.The light source of one litho machine probably has
4000 eyeglasses.The characteristics of DOE is then that can accurately be controlled while keeping compared with high-diffraction efficiency light distribution, because
This DOE becomes the ideal element for realizing off-axis illumination.It is generally used for the DOE of lithography system off-axis illumination, subelement number needs <
10, design data amount is larger, and unit size reaches micron even sub-micrometer scale.
The expression formula of the free-form curved mirror 21 is that Ze Nike standard rise face or extension polynomial equation etc. can satisfy
The free form surface equation of imaging requirements, but it is not limited only to this.
More specifically, being additionally provided between the backlight module 1 and the free-form curved mirror 21 in the reflection mould group 2
Mirror 3 of turning back 2 are equipped in the present embodiment for making light path folding.
Embodiment 2
A kind of light path principle of aerial projecting light path's system applied to intelligent interaction provided by the embodiment of the utility model
Figure, as shown in Figure 1, its light channel structure figure can be found in Fig. 3.The difference of the present embodiment and embodiment 1 is in the backlight module
1 is minitype projection group, and the minitype projection group includes projecting block and receiving screen；The receiving screen is reflection-type or transmission
Type has even light action, it is ensured that image enter eyeball be it is soft, avoid LED in ocular imaging, form dazzle.It is described
Projecting block is DLP projection, LCOS projective module group or laser projection mould group, and the mirror 3 of turning back is 3, increases a mirror of turning back
Product size can further be reduced.
It is in practical applications, provided by the utility model a kind of applied to intelligent interaction in order to which Product Experience effect is more preferable
Aerial projecting light path's system further include accepting the windshield 4 of 21 reflected light of free-form curved mirror, after windshield 4
Re-form real image, further decrease product itself there are sense, promote Product Experience.
A kind of aerial projecting light path applied to intelligent interaction that the utility model embodiment (including embodiment 1,2) provides
System constructs reflected light path using geometric optics using the free-form curved mirror of photoelectric elements precision controlling, realizes without medium sky
Gas projection intelligent interaction is experienced, and compared to the existing aerial shadow casting technique based on DRCA, manufacture difficulty is lower, and cost is lower.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (10)
1. a kind of aerial projecting light path's system applied to intelligent interaction, which is characterized in that equipped with backlight module and for reflecting
The reflection mould group of the backlight module emergent ray；
The free-form curved mirror of high-precision injection molding is equipped in the reflection mould group.
2. a kind of aerial projecting light path's system applied to intelligent interaction as described in claim 1, it is characterised in that: it is described from
It is set in imaging optical path by curved mirror, between the backlight module and image, belongs to catoptric imaging.
3. a kind of aerial projecting light path's system applied to intelligent interaction as described in claim 1, it is characterised in that: the back
Optical mode group is TFT mould group, including LED light source, TFT, even mating plate and Fresnel Lenses；The Fresnel Lenses is located at the even light
Between piece and illumination path, for promoting the brightness and uniformity of image.
4. a kind of aerial projecting light path's system applied to intelligent interaction as claimed in claim 3, it is characterised in that: the phenanthrene
Nie Er lens are substituted with DOE eyeglass, and the even mating plate is diffuser plate.
5. a kind of aerial projecting light path's system applied to intelligent interaction as described in claim 1, it is characterised in that: the back
Optical mode group is minitype projection group, and the minitype projection group includes projecting block and receiving screen；The receiving screen be reflection-type or
Transmission-type.
6. a kind of aerial projecting light path's system applied to intelligent interaction as claimed in claim 5, it is characterised in that: the throwing
Shadow block is DLP projection, LCOS projective module group or laser projection mould group.
7. a kind of aerial projecting light path's system applied to intelligent interaction as described in claim 1, it is characterised in that: it is described from
It is Ze Nike standard rise face or extension polynomial equation by the expression formula of curved mirror.
8. a kind of aerial projecting light path's system applied to intelligent interaction as described in claim 1, it is characterised in that: described anti-
The mirror of turning back being additionally provided between the backlight module and the free-form curved mirror in mould group is penetrated, for folding optical path, with contracting
The physical size of mini system.
9. a kind of aerial projecting light path's system applied to intelligent interaction as claimed in claim 8, it is characterised in that: the folding
Returning mirror is 2 or 3.
10. a kind of aerial projecting light path's system applied to intelligent interaction as described in claim 1, it is characterised in that: also wrap
Include the windshield for accepting the free-form curved mirror reflected light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820954215.0U CN208795932U (en) | 2018-06-19 | 2018-06-19 | A kind of aerial projecting light path's system applied to intelligent interaction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820954215.0U CN208795932U (en) | 2018-06-19 | 2018-06-19 | A kind of aerial projecting light path's system applied to intelligent interaction |
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| CN208795932U true CN208795932U (en) | 2019-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594437A (en) * | 2018-06-19 | 2018-09-28 | 惠州市华阳多媒体电子有限公司 | A kind of aerial projecting light path's system applied to intelligent interaction |
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2018
- 2018-06-19 CN CN201820954215.0U patent/CN208795932U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594437A (en) * | 2018-06-19 | 2018-09-28 | 惠州市华阳多媒体电子有限公司 | A kind of aerial projecting light path's system applied to intelligent interaction |
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