CN207601492U - A kind of interactive projection device based on mixing light source - Google Patents
A kind of interactive projection device based on mixing light source Download PDFInfo
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- CN207601492U CN207601492U CN201721921521.6U CN201721921521U CN207601492U CN 207601492 U CN207601492 U CN 207601492U CN 201721921521 U CN201721921521 U CN 201721921521U CN 207601492 U CN207601492 U CN 207601492U
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- 230000002452 interceptive effect Effects 0.000 title claims abstract description 15
- 238000005286 illumination Methods 0.000 claims abstract description 27
- 239000003086 colorant Substances 0.000 claims description 8
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 230000011514 reflex Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 230000003993 interaction Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
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- 238000012986 modification Methods 0.000 description 1
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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
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model is related to digital projection display technology field, more particularly to a kind of interactive projection device based on mixing light source.The device includes：Projection lighting light source, infrared illumination source, cemented prism group, the first reflector element, light beam guidance unit and image display chip；The light that projection lighting light source is sent out is projected to the first reflector element by cemented prism group, the light that first reflector element is used for the light that sends out projection lighting light source and infrared illumination source is sent out merges, and the mixed light after merging is projected to light beam guidance unit, mixed light is transmitted and/or is reflected by light beam guidance unit, so that mixed light injects image display chip.The device makes light path compact simple, and the structure of entire projection arrangement becomes simple, and does not need to debug correction infrared illumination source repeatedly, and projection interaction is made to be more convenient accurately.
Description
Technical field
The utility model is related to digital projection display technology fields, are thrown more particularly to a kind of based on the interactive of mixing light source
Image device.
Background technology
The infrared man-machine interactive system of band common at present is the infrared light and projection lighting light source for sending out infrared light supply
Respectively by different optical channels, carry out projected image using ordinary incandescent lamp light sources project machine, in addition infrared light supply is set to shine
Penetrate screen, setting thermal camera carrys out the infrared image in photographed screen, and the action of user's finger on the screen is captured with this,
To realize human-computer interaction.
However, aforesaid way so that whole system is excessively complicated, independent infrared light supply sets up cumbersome, use
It needs to debug correction infrared light supply repeatedly, and the light-source brightness of incandescent lamp is far from the requirment in the process.
Utility model content
The utility model embodiment is mainly solving the technical problems that provide a kind of interaction based on mixing light source
Device, for solve the problems, such as existing optical projection system there are system complex, projection interaction not enough facilitate it is accurate.
In order to solve the above technical problems, the technical solution that the utility model embodiment uses is：A kind of base is provided
In mixing light source interactive projection device, including：
Projection lighting light source, infrared illumination source, cemented prism group, the first reflector element, fly's-eye lens, light beam guiding are single
Member, image display chip and projection lens；
The light that the projection lighting light source is sent out is projected to first reflector element by the cemented prism group, described
Light of first reflector element for the light for sending out the projection lighting light source and the infrared illumination source to be sent out merges,
And the mixed light after merging is projected to the fly's-eye lens, after the even light of the fly's-eye lens, the mixed light is projected to institute
Light beam guidance unit is stated, the mixed light is transmitted and/or reflected by the light beam guidance unit, so that the mixed light is penetrated
Enter described image display chip, the mixed light being emitted from described image display chip is reflexed to using the light beam guidance unit
The projection lens.
Optionally, the projection lighting light source includes the first color light source group, the second color light source group and third color light source group；
The first color light source group, the second color light source group and third color light source group include LED light source and the first collimation
Lens group, first collimation lens set are arranged on the light direction of the LED light source.
Optionally, the first color light source group is red LED light source group, and the second color light source group is blue led light source
Group, the third color light source group are green LED light source group.
Optionally, the infrared illumination source includes infrared light supply and the second collimation lens set, second collimation lens
Group is arranged on the light direction of the infrared light supply.
Optionally, the cemented prism group is made of four identical isoceles triangle prism cementings, the cemented prism group
The light that the first working face formed sends out the first color light source group is reflected and the second color light source group is sent out
The light gone out is transmitted, and the second working face that the cemented prism group is formed carries out the light that the second color light source group is sent out
The light for reflecting and being sent out to the first color light source group transmits, and first working face and the second working face are to described
The light that third color light source group is sent out is transmitted, so as to carry out closing light to the three primary colours light beam from three different directions.
Optionally, first reflector element is plane mirror, in arc-shaped reflecting mirror, the toroidal lens with reflecting surface
It is a kind of.
Optionally, the light beam guidance unit includes relay lens and prism group, and the prism group includes the first triangular prism
Mirror and the second triangular prism；
The relay lens is used to converge the mixed light.
Optionally, described image display chip is specially DMD display chips.
Optionally, described device further includes infrared eye and the second reflector element, the infrared eye setting
In the side of the projection lens, second reflector element be arranged on the light beam guidance unit and the projection lens it
Between；
The infrared eye is used to acquire the infrared light that the projection lens is reflected through second reflector element.
Optionally, second reflector element is plane mirror, in arc-shaped reflecting mirror, the toroidal lens with reflecting surface
It is a kind of.
The advantageous effect of the utility model embodiment is：It is different from the situation of the prior art, the utility model embodiment party
Formula provides a kind of interactive projection device based on mixing light source, which includes projection lighting light source, infrared illumination source, gluing
Prism group, the first reflector element, light beam guidance unit and image display chip.The device is by projection lighting light source and infrared photograph
The light that Mingguang City source is sent out is mixed, and mixed light shares optical guidance light path so that light path is compact simple, entire projection arrangement
Structure become simple, and do not need to debug correction infrared illumination source repeatedly, projection interaction is made to be more convenient accurately.
Description of the drawings
One or more is implemented to illustrate by corresponding attached drawing, these exemplary illustrations are not formed
Restriction to embodiment, the element for having same reference numbers label in attached drawing is expressed as similar element, unless there are special Shen
Bright, composition does not limit the figure in attached drawing.
Fig. 1 is the structure diagram of a kind of interactive projection device based on mixing light source that embodiment one provides；
Fig. 2 is the structure diagram of a kind of interactive projection device based on mixing light source that embodiment two provides.
Wherein, each reference numeral in figure：
| Projection arrangement | 100 | Fly's-eye lens | 50 |
| Projection lighting light source | 10 | Light beam guidance unit | 60 |
| First color light source group | 11 | Relay lens | 61 |
| Second color light source group | 12 | Prism group | 62 |
| Third color light source group | 13 | Image display chip | 70 |
| Infrared illumination source | 20 | Projection lens | 80 |
| Cemented prism group | 30 | Infrared eye | 91 |
| First reflector element | 40 | Second reflector element | 92 |
Specific embodiment
For the ease of understanding the utility model, with reference to the accompanying drawings and detailed description, the utility model is carried out more
Detailed description.It should be noted that when element is expressed " being fixed on " another element, it can be directly in another element
Above or therebetween there may be one or more elements placed in the middle.When an element is expressed " connection " another element, it can
To be directly to another element or there may be one or more elements placed in the middle therebetween.This specification is used
Term " vertical ", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, the skill of technical and scientific term all used in this specification with belonging to the utility model
The normally understood meaning of technical staff in art field is identical.In the art used in the description of the utility model in this specification
Language is intended merely to the purpose of description specific embodiment, is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes the arbitrary and all combination of one or more relevant Listed Items.
Embodiment one：
Referring to Fig. 1, a kind of interactive projection device based on mixing light source that Fig. 1, which is the utility model embodiment, to be provided
Structure diagram, as shown in Figure 1, the device 100 includes：Projection lighting light source 10, infrared illumination source 20, cemented prism group
30th, the first reflector element 40, fly's-eye lens 50, light beam guidance unit 60, image display chip 70 and projection lens 80.
Wherein, the light that the projection lighting light source 10 is sent out is projected to first reflection by the cemented prism group 30
Unit 40, first reflector element 40 are used for the light for sending out the projection lighting light source 10 and the infrared illumination source 20
The light sent out merges, and the mixed light after merging is projected to the light beam guidance unit 60, the light beam guidance unit
The mixed light is transmitted and/or is reflected by 60, so that the mixed light injects described image display chip 70.
Above-mentioned projection lighting light source 10 includes one group or multigroup color light source, for example, as shown in Figure 1, the projection lighting
Light source 10 includes three groups of color light sources, is the first color light source group 11, the second color light source group 12 and third color light source group 13 respectively, this
Three color light source groups respectively contain LED light source (not shown) and the first collimation lens set (not shown), wherein, first collimation
Lens group is arranged on the light direction of the LED light source.In the present embodiment, the first color light source group 11 is red LED
Light source group, the second color light source group 12 are blue led light source group, and the third color light source group 13 is green LED light source group.It needs
It is noted that projection lighting light source 10 can also include more or less organize color light source, it is three groups not only shown in FIG. 1
Color light source, in addition, the color of three groups of color light sources can also be the combination of other colors other than for red, blue, green.
In the present embodiment, above-mentioned first color light source group 11, the second color light source group 12 and third color light source group 13 are distinguished
Across cemented prism group 30.The cemented prism group 30 is made of four identical isoceles triangle prism cementings, this four phases
Same isoceles triangle prism is preferably isosceles right-angled triangular prism.As shown in Figure 1, after four identical isoceles triangle prism cementings
Form the first working face S1 and the second working face S2.Above-mentioned first color light source group 11, the second color light source group 12 and third coloured light
Source group 13 is each passed through the first working face S1 and the second working face S2, specifically, what the cemented prism group 30 was formed
The light that first working face S1 sends out the first color light source group 11 is reflected and the second color light source group 12 is sent out
Light transmitted, the light that the second working face S2 that the cemented prism group 30 is formed sends out the second color light source group 12
The light for being reflected and being sent out to the first color light source group 11 transmits, the first working face S1 and the second working face
The light that S2 sends out the third color light source group 13 transmits, by the cemented prism group 30, so as to coming from first
The three primary colours light beam of color light source group 11, the second color light source group 12 and third color light source group 13 carries out closing light.
Above-mentioned infrared illumination source 20 includes infrared light supply (not shown) and the second collimation lens set (not shown), and described the
Two collimation lens sets are arranged on the light direction of the infrared light supply.The infrared illumination source 20 is used to generate infrared spoke
It penetrates.In the present embodiment, the infrared beam that the infrared illumination source 20 is sent out passes through first reflector element 40, described
First reflector element 40 changes the direction of the infrared illumination light beam from infrared illumination source 20, at the same time, above-mentioned first color
Light source group 11, the second color light source group 12 and 13 three primary colours light beam of third color light source group are also worn after 30 closing light of cemented prism group
First reflector element 40 is crossed, the infrared illumination light beam is made to carry out closing light with the three primary colours light beam as a result,.
Wherein, first reflector element 40 can be plane mirror, arc-shaped reflecting mirror, the toroidal lens with reflecting surface
In one kind, the plane mirror for the small volume that preferably takes up space.
Wherein, above-mentioned infrared illumination source 20 and above-mentioned three primary light source timesharing start.
Above-mentioned fly's-eye lens 50 is arranged between first reflector element 40 and light beam guidance unit 60, in the present embodiment
In, the fly's-eye lens 50 is used to first reflector element 40 sending out the mixed of infrared illumination light beam and the three primary colours light beam
Closing light carries out even light, and the mixed light after even light is projected to the light beam guidance unit 60.The light beam guidance unit 60 is by described in
Mixed light is transmitted and/or is reflected, so as to which the mixed light be made to be projected to described image display chip 70.
Wherein, as shown in Figure 1, the light beam guidance unit 60 includes relay lens 61 and prism group 62, the prism group
62 include the first triangular prism and the second triangular prism, and first triangular prism and the second triangular prism are preferably right angle trigonometry rib
Mirror, the relay lens 61 are used to converge the mixed light.It should be noted that the light beam guidance unit 60 can also be by it
His structure type composition, is not required to only stick to mode shown in FIG. 1, for example, the prism group 62 can be T I R prism groups or
Person's RT I R prism groups, the prism group 62 can also be free-form surface lens group etc..
Wherein, it can be specifically to be projected to described image to show core that above-mentioned mixed light, which is projected to described image display chip 70,
The optical element group of piece 70.
Wherein, described image display chip 70 can be specifically DMD display chips.
Equally referring to Fig. 1, described device further includes projection lens 80, the projection lens 80 is used to receive described image
The mixed light that display chip 70 is reflected by the light beam guidance unit 60, particular by light beam guidance unit 60
The mixed light is reflexed to the projection lens 80 by prism group 62.
The operation principle of interactive projection device provided in this embodiment based on mixing light source is：First color light source group 11,
The light beam that second color light source group 12 and third color light source group 13 generate respectively is projected to cemented prism group 30, cemented prism group 30
To three primary colours light beam progress closing light, the projection lighting light beam after closing light enters the first reflector element 40, at the same time, infrared photograph
The infrared illumination light beam that Mingguang City source 20 generates mixes after the first reflector element 40 reflects with the projection lighting light beam after closing light
For contract to fly's-eye lens 50 is entered, the projection lighting light beam and infrared illumination light beam after 50 even light of fly's-eye lens form mixed light
Beam enters light beam guidance unit 60 and is transmitted and/or reflected, so as to which mixed light beam be made to inject image display chip 70, from image
The mixed light beam that display chip 70 is emitted reflexes to projection lens 80 using the prism group 62 in light beam guidance unit 60.
The advantageous effect of the present embodiment is：The situation of the prior art is different from, the utility model embodiment provides a kind of
Based on the interactive projection device of mixing light source, which includes projection lighting light source, infrared illumination source, cemented prism group, the
One reflector element, fly's-eye lens, light beam guidance unit are with, image display chip and projection lens.The device is by projection lighting
The light that light source and infrared illumination source are sent out is mixed, and mixed light shares optical guidance light path so that and light path is compact simple,
The structure of entire projection arrangement becomes simple, and do not need to debug correction infrared illumination source repeatedly, makes projection interaction more square
Just it is accurate.
Embodiment two：
Referring to Fig. 2, a kind of interactive projection device based on mixing light source that Fig. 2, which is the utility model embodiment, to be provided
Structure diagram, the main distinction of Fig. 2 and above-mentioned Fig. 1 are that it is anti-that described device 100 further includes infrared eye 91 and second
Penetrate unit 92.
Wherein, the setting that the infrared eye 91 can be independent, can specifically be arranged on the one of projection lens 80
Side is used to acquire the image in infrared projection region.It in the present embodiment, can be according to infrared eye 91 and projection lens
80 position relationship sets the second reflector element 92, so as to make the infrared beam that projection lens 80 is sent out through the second reflector element
Enter the infrared eye 91 after 92 reflections.Wherein, the specific location of the second reflector element 92 is according to infrared eye
91 with depending on the position of projection lens 80.
Wherein, second reflector element 92 can be plane mirror either arc-shaped reflecting mirror or with reflecting surface
Toroidal lens etc., the plane mirror for the small volume that preferably takes up space.
The utility model embodiment not only makes the structure of entire projection arrangement become letter on the basis of above-described embodiment
It is single, and the alignment and adjusting of infrared light supply and infrared photography need not be carried out so that whole device is more square on interactive operation
Just it is accurate.
It should be noted that the preferable implementation of the utility model is given in the specification and its attached drawing of the utility model
Mode, still, the utility model can be realized by many different forms, however it is not limited to the described implementation of this specification
Mode, these embodiments are not as the additional limitation to the utility model content, the purpose of providing these embodiments is that making
To the understanding more thorough and comprehensive of the disclosure of the utility model.Also, above-mentioned each technical characteristic continues to be combined with each other, and is formed
The various embodiments not being enumerated above are accordingly to be regarded as the range of the utility model specification record；Further, to this field
For those of ordinary skill, it can be improved or converted according to the above description, and all these modifications and variations should all belong to
The protection domain of the appended claims for the utility model.
Claims (10)
1. a kind of interactive projection device based on mixing light source, which is characterized in that including：
Projection lighting light source (10), infrared illumination source (20), cemented prism group (30), the first reflector element (40), compound eye are saturating
Mirror (50), light beam guidance unit (60), image display chip (70) and projection lens (80)；
The light that the projection lighting light source (10) sends out is projected to first reflector element by the cemented prism group (30)
(40), first reflector element (40) is for the light for sending out the projection lighting light source (10) and the infrared illumination source
(20) light sent out merges, and the mixed light after merging is projected to the fly's-eye lens (50), through the fly's-eye lens
(50) after even light, the mixed light is projected to the light beam guidance unit (60), and the light beam guidance unit (60) will be described mixed
Closing light is transmitted and/or is reflected, so that the mixed light injects described image display chip (70), core is shown from described image
The mixed light of piece (70) outgoing reflexes to the projection lens (80) using the light beam guidance unit (60).
2. the apparatus according to claim 1, which is characterized in that the projection lighting light source (10) includes the first color light source group
(11), the second color light source group (12) and third color light source group (13)；
The first color light source group (11), the second color light source group (12) and third color light source group (13) include LED light source and
First collimation lens set, first collimation lens set are arranged on the light direction of the LED light source.
3. the apparatus of claim 2, which is characterized in that the first color light source group (11) is red LED light source group,
The second color light source group (12) is blue led light source group, and the third color light source group (13) is green LED light source group.
4. the apparatus according to claim 1, which is characterized in that the infrared illumination source (20) includes infrared light supply and
Two collimation lens sets, second collimation lens set are arranged on the light direction of the infrared light supply.
5. the apparatus of claim 2, which is characterized in that the cemented prism group (30) is by four identical isosceles three
Angle prism gluing forms, and the first working face (S1) that the cemented prism group (30) is formed is to the first color light source group (11)
The light that the light sent out is reflected and sent out to the second color light source group (12) transmits, the cemented prism group (30)
The light that the second working face (S2) formed sends out the second color light source group (12) is reflected and to first color
The light that light source group (11) is sent out is transmitted, and first working face (S1) and the second working face (S2) are to the third coloured light
The light that source group (13) is sent out is transmitted, so as to carry out closing light to the three primary colours light beam from three different directions.
6. the apparatus according to claim 1, which is characterized in that first reflector element (40) is plane mirror, arc
One kind in shape speculum, the toroidal lens with reflecting surface.
7. the apparatus according to claim 1, which is characterized in that the light beam guidance unit (60) includes relay lens (61)
With prism group (62), the prism group (62) includes the first triangular prism and the second triangular prism；
The relay lens (61) is for converging the mixed light.
8. device according to any one of claims 1 to 7, which is characterized in that described image display chip 70 is specially DMD
Display chip.
9. device according to claim 8, which is characterized in that described device further includes infrared eye (91) and second
Reflector element (92), the infrared eye (91) are arranged on the side of the projection lens (80), and second reflection is single
First (92) are arranged between the light beam guidance unit (60) and the projection lens (80)；
What the infrared eye (91) was reflected for acquiring the projection lens (80) through second reflector element (92)
Infrared light.
10. device according to claim 9, which is characterized in that second reflector element (92) is plane mirror, arc
One kind in shape speculum, the toroidal lens with reflecting surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721921521.6U CN207601492U (en) | 2017-12-29 | 2017-12-29 | A kind of interactive projection device based on mixing light source |
| PCT/CN2018/088978 WO2019128096A1 (en) | 2017-12-29 | 2018-05-30 | Interactive projection apparatus based on mixed light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721921521.6U CN207601492U (en) | 2017-12-29 | 2017-12-29 | A kind of interactive projection device based on mixing light source |
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| Publication Number | Publication Date |
|---|---|
| CN207601492U true CN207601492U (en) | 2018-07-10 |
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ID=62769083
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721921521.6U Active CN207601492U (en) | 2017-12-29 | 2017-12-29 | A kind of interactive projection device based on mixing light source |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207601492U (en) |
| WO (1) | WO2019128096A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794582A (en) * | 2018-08-01 | 2020-02-14 | 宏达国际电子股份有限公司 | Head-mounted display and multi-depth imaging device |
| CN113433785A (en) * | 2021-06-22 | 2021-09-24 | 歌尔光学科技有限公司 | System for enhancing brightness of projection picture |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI448804B (en) * | 2010-08-20 | 2014-08-11 | Delta Electronics Inc | Illumination system and projection device comprising the same |
| CN103454840A (en) * | 2012-05-31 | 2013-12-18 | 苏州智能泰克有限公司 | Projecting apparatus |
| CN104076914B (en) * | 2013-03-28 | 2018-04-27 | 联想(北京)有限公司 | A kind of electronic equipment and method for displaying projection |
| CN106990651A (en) * | 2017-03-30 | 2017-07-28 | 广景视睿科技（深圳）有限公司 | A kind of infrared projection system |
-
2017
- 2017-12-29 CN CN201721921521.6U patent/CN207601492U/en active Active
-
2018
- 2018-05-30 WO PCT/CN2018/088978 patent/WO2019128096A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794582A (en) * | 2018-08-01 | 2020-02-14 | 宏达国际电子股份有限公司 | Head-mounted display and multi-depth imaging device |
| CN113433785A (en) * | 2021-06-22 | 2021-09-24 | 歌尔光学科技有限公司 | System for enhancing brightness of projection picture |
| CN113433785B (en) * | 2021-06-22 | 2023-01-24 | 歌尔光学科技有限公司 | System for enhancing brightness of projection picture |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019128096A1 (en) | 2019-07-04 |
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