CN207067431U - Dodging device, light-source system and projector equipment - Google Patents
Dodging device, light-source system and projector equipment Download PDFInfo
- Publication number
- CN207067431U CN207067431U CN201720895688.3U CN201720895688U CN207067431U CN 207067431 U CN207067431 U CN 207067431U CN 201720895688 U CN201720895688 U CN 201720895688U CN 207067431 U CN207067431 U CN 207067431U
- Authority
- CN
- China
- Prior art keywords
- light
- tunnel body
- optical tunnel
- dodging device
- incidence surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
-
- 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
Abstract
The utility model provides a kind of dodging device, light-source system and projector equipment, the dodging device includes optical tunnel body, wherein one end in the opposite end of the optical tunnel body is formed with incidence surface, and the incidence surface is scattering surface, for being scattered to the light beam for being incident to the incidence surface.The scattering surface improves the outgoing light homogeneity of the optical tunnel body, avoid and gap between the scattering part added in addition and the optical tunnel body be present and cause the gap to enter dust so as to burning out the generation of the dodging device phenomenon, extend the dodging device and using the light-source system of the dodging device and the service life of projector equipment.
Description
Technical field
It the utility model is related to projection art, more particularly to a kind of dodging device, light-source system and projector equipment.
Background technology
This part is it is intended that the specific embodiment of the present utility model stated in claims provides background or upper and lower
Text.Description herein recognizes it is prior art not because not being included in this part.
A piece of diffusion sheet is all generally added before optical tunnel currently used in the market, can so allow coming out from optical tunnel
Laser facula it is more uniform so that the laser facula beaten on fluorescence colour wheel is more uniform, finally make swashing for fluorescence colour wheel
Send out more efficient, i.e. the luminous power of light source output is higher.
However, there is a close gap between optical tunnel and diffusion sheet, when the dust in air or impurity fall into this gap,
Because the area of this gap is smaller, cause that laser power density and dust impurity molecule concentration are higher, and dust or impurity molecule exist
Light source, which works long hours, will burn out scattering sheet and optical tunnel under environment.
Utility model content
Gap between diffusion sheet and optical tunnel in the prior art be present for solution causes to enter dust in the space, and then
The technical problem of the diffusion sheet and the optical tunnel is burnt out, the utility model, which provides one kind, can effectively reduce the optical tunnel
Dodging device, light-source system and the projector equipment of spoilage.
A kind of dodging device, the dodging device include optical tunnel body, in the opposite end of the optical tunnel body wherein
One end is formed with incidence surface, and the incidence surface is scattering surface, for being scattered to the light beam for being incident to the incidence surface.
Further, the incidence surface is the diffusing scattering face that is formed after roughened processing.
Further, multiple convex/concaves for being scattered to light beam are distributed with the incidence surface.
Further, the optical tunnel body is solid construction.
Further, the outer surface at position of the optical tunnel body between the opposite end is formed with curved face part battle array
Row, the curved face part array are provided with the reflectance coating for being used for being reflected light towards the surface plating outside the optical tunnel body.
Further, the optical tunnel body is the tubular structure that another end opening is closed in one end, and the incidence surface is arranged at
The blind end of the optical tunnel body, extraneous light are incided in the optical tunnel body from the incidence surface, and from the optical tunnel
The openend outgoing of body.
Further, the inner surface at position of the optical tunnel body between the opposite end is formed with curved face part battle array
Row, the curved face part array are provided with the reflectance coating for being used for being reflected light towards the surface plating inside the optical tunnel body.
Further, the curved face part array is provided with the multiple compound eyes or column-shape showering extended along optical path direction.
A kind of light-source system, including illuminator and the dodging device described in any one as described above, the illuminator hair
The light beam gone out is incident to the dodging device from the incidence surface, is emitted after the even light of the dodging device.
A kind of projector equipment, using the dodging device described in any one as described above.
Dodging device provided by the utility model includes the optical tunnel body for being provided with the incidence surface, and the incidence surface
For scattering surface, the outgoing light homogeneity of the optical tunnel body is improved, avoids the scattering part added in addition and the optical tunnel
Gap between body be present causes the gap to enter dust so as to burn out the generation of the dodging device phenomenon, extends described even
The service life of the light-source system and projector equipment of electro-optical device and the use dodging device.
Brief description of the drawings
Fig. 1 is the side structure schematic view for the dodging device that the utility model first embodiment provides.
Fig. 2 is the dimensional structure diagram for the dodging device that the utility model second embodiment provides.
Main element symbol description
| Optical tunnel body | 120、220 |
| Incidence surface | 121、221 |
| Light extraction end | 122 |
| Curved face part array | 223 |
Following embodiment will further illustrate the utility model with reference to above-mentioned accompanying drawing.
Embodiment
Referring to Fig. 1, Fig. 1 is the dodging device side structure schematic view that the utility model first embodiment provides.
The dodging device includes optical tunnel body 120, the optical tunnel body 120 including the light inputting end that is oppositely arranged and go out
Light end 122, for the light inputting end formed with incidence surface 121, the incidence surface 121 is scattering surface, for be incident to it is described enter light
The light beam in face 121 is scattered.
The material of the optical tunnel body 120 is light transmission medium, and the light transmission medium includes but is not limited to glass and plastics.
Specifically, the incidence surface 121 is the diffusing scattering face that is formed after roughened processing.The incidence surface 121 is distributed
There are multiple convex/concaves for being scattered to extraneous light.The convex/concave can be strip, cylindric, spherical, round
Mesa-shaped, coniform or pyramid-shaped.The convex/concave carries out multiple reflections to incident beam, so as to improve the incidence surface 121
Outgoing light homogeneity.
The optical tunnel body 120 can be solid construction, and the optical tunnel body 120 is located at the light inputting end and the light extraction
The outer surface at the position between end 122 is provided with reflectance coating, to reflect incident light.In other embodiments, it is described even
Optical rod 120 is the tubular structure that light inputting end closes the opening of light extraction end 122, and incidence surface 121 is arranged at the optical tunnel body 120
Light inputting end, extraneous light is incided in the optical tunnel body 120 from the incidence surface 121, and going out from the optical tunnel body 120
Light end 122 is emitted.
The dodging device that the present embodiment provides is used to carry out even light to incident ray and can be applied to light-source system and throwing
Shadow equipment.The light-source system includes illuminator and the dodging device, and the light beam that the illuminator is sent is from the incidence surface
121 are incident to the dodging device, are emitted after the even light of the dodging device.The projector equipment can apply the even light dress
Put and carry out even light, or application is using the light-source system of the dodging device.It is appreciated that illuminator can be direct illuminator
(such as laser diode), or send the indirect light emission body of fluorescence.
In the present embodiment, the optical tunnel body 120 includes the incidence surface 121, and the incidence surface 121 is scattering
Face, the outgoing light homogeneity of the optical tunnel body 120 is improved, avoid the scattering part added in addition and the optical tunnel body
Gap between 120 be present causes the gap to enter dust so as to burn out the generation of the dodging device phenomenon, extends described
The service life of the light-source system and projector equipment of dodging device and the use dodging device.
Referring to Fig. 2, the dodging device dimensional structure diagram provided for the utility model second embodiment.
The main distinction of second embodiment and first embodiment is that the optical tunnel body 220 is located at light inputting end and light extraction
The outer surface at the position between end is formed with curved face part array 223, and the curved face part array 223 is towards the optical tunnel body 220
Outside surface plating is provided with the reflectance coating for being used for being reflected light.In the present embodiment, the curved face part array 223 is provided with edge
Multiple column-shape showerings of optical path direction extension.In other embodiments, curved face part array 223 can be provided with along optical path direction and extend
Multiple compound eyes.
In the present embodiment, the optical tunnel body 220 is cylindrical, massive structure.It is understood that in other embodiment
In, the optical tunnel body 220 can also be cubic prism or the solid construction of other shapes.
After light beam enters the optical tunnel body 220, part low-angle incident light goes out directly through the optical tunnel body 220
Penetrate, the incident light of other angles reaches the surface of the curved face part array 223 in the internal transmission of optical tunnel body 220.Due to
The surface of curved face part array 223 is curved surface and plating sets reflectance coating, and light beam reflects on the surface of curved face part array 223,
The direction of reflection is determined by the curvature of the curved face part array 223 and the incidence angle of light beam.Light beam light beam after camber reflection
Transmission direction change, the number of reflection increases.In the situation of the equal length of optical tunnel body 220 and cross-sectional area
Under, the number of reflection is more, and even light effect is better, and the uniformity of hot spot distribution is better.
In the present embodiment, the cross section of the incidence surface 221 of the optical tunnel body 220 is polygon, and its size and outer
The light-emitting area of portion's light source is close.Under conditions of allowing etendue quantitative change big, the cross-sectional area of the incidence surface 221 can be with
It is bigger than the light-emitting area of external light source.
It is appreciated that in other embodiments, the optical tunnel body 220 is the tubular knot that light inputting end closes light extraction end opening
Structure, the incidence surface 221 are arranged at the blind end of the optical tunnel body 220, and extraneous light incides institute from the incidence surface 221
State in optical tunnel body 220, and bring out and penetrate from the light extraction of the optical tunnel body 220.The curved face part array 223 is towards the even light
Surface plating inside barred body 220 is provided with the reflectance coating for being used for being reflected light.The curved face part array 223 is provided with along light path
The multiple compound eyes or column-shape showering of direction extension.
Due to the surface of curved face part array 223 be curved surface and plating set reflectance coating, light beam is in the table of curved face part array 223
Face is reflected, and the direction of reflection is determined by the curvature of the curved face part array 223 and the incidence angle of light beam.Light beam passes through curved surface
The transmission direction of light beam changes after reflection, and the number of reflection increases.In the equal length of optical tunnel body 220 and cross section
In the case of product, the number of reflection is more, and even light effect is better, and the uniformity of hot spot distribution is better.
In addition, second embodiment is with first embodiment identical, the optical tunnel body 220 includes the incidence surface 221,
And the incidence surface 221 is scattering surface, the outgoing light homogeneity of the optical tunnel body 220 is improved, avoids what is added in addition
Gap between scattering part and the optical tunnel body 220 be present causes the gap to enter dust so as to burn out the dodging device
The generation of phenomenon, extend the light-source system of the dodging device and the use dodging device and the use longevity of projector equipment
Life.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is all
It is the equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or directly or indirectly uses
In other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of dodging device, it is characterised in that the dodging device includes optical tunnel body, the opposite end of the optical tunnel body
In wherein one end formed with incidence surface, the incidence surface is scattering surface, for be incident to the incidence surface light beam carry out
Scattering.
2. dodging device as claimed in claim 1, it is characterised in that the incidence surface is unrestrained for what is formed after roughened processing
Scattering surface.
3. dodging device as claimed in claim 2, it is characterised in that multiple be used for light beam progress is distributed with the incidence surface
The convex/concave of scattering.
4. dodging device as claimed in claim 1, it is characterised in that the optical tunnel body is solid construction.
5. dodging device as claimed in claim 4, it is characterised in that the optical tunnel body is between the opposite end
The outer surface at position is provided with towards the surface plating outside the optical tunnel body and used formed with curved face part array, the curved face part array
In the reflectance coating reflected light.
6. dodging device as claimed in claim 1, it is characterised in that the optical tunnel body is that another end opening is closed in one end
Tubular structure, the incidence surface are arranged at the blind end of the optical tunnel body, and extraneous light incides described from the incidence surface
In optical tunnel body, and it is emitted from the openend of the optical tunnel body.
7. dodging device as claimed in claim 6, it is characterised in that the optical tunnel body is between the opposite end
The inner surface at position is provided with towards the surface plating inside the optical tunnel body and used formed with curved face part array, the curved face part array
In the reflectance coating reflected light.
8. the dodging device as described in claim 5 or 7, it is characterised in that the curved face part array is provided with along optical path direction
The multiple compound eyes or column-shape showering of extension.
9. a kind of light-source system, it is characterised in that the light-source system includes illuminator and such as claim 1-8 any one institute
The dodging device stated, the light beam that the illuminator is sent are incident to the dodging device from the incidence surface, are filled through the even light
It is emitted after putting even light.
10. a kind of projector equipment, it is characterised in that the projector equipment is using even as described in claim 1-8 any one
Electro-optical device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895688.3U CN207067431U (en) | 2017-07-21 | 2017-07-21 | Dodging device, light-source system and projector equipment |
| PCT/CN2018/074753 WO2019015296A1 (en) | 2017-07-21 | 2018-01-31 | Light homogenizing device, light source system and projection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895688.3U CN207067431U (en) | 2017-07-21 | 2017-07-21 | Dodging device, light-source system and projector equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207067431U true CN207067431U (en) | 2018-03-02 |
Family
ID=61516694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720895688.3U Active CN207067431U (en) | 2017-07-21 | 2017-07-21 | Dodging device, light-source system and projector equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207067431U (en) |
| WO (1) | WO2019015296A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376833A (en) * | 2018-04-12 | 2019-10-25 | 深圳光峰科技股份有限公司 | Light-source system and optical projection system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5765934A (en) * | 1995-08-04 | 1998-06-16 | Mitsubishi Denki Kabushiki Kaisha | Projection type display |
| CN105511083A (en) * | 2014-10-15 | 2016-04-20 | 深圳市绎立锐光科技开发有限公司 | Light homogenizing structure, manufacturing method thereof and light homogenizing system |
| CN104820289B (en) * | 2014-12-13 | 2017-11-10 | 深圳市科曼医疗设备有限公司 | Integrating rod, dodging device, light source collimation standard apparatus, projector and operating lamp |
| CN104865785B (en) * | 2015-06-04 | 2017-07-28 | 中国科学技术大学 | It is a kind of to be used to realize the uniform laser projection light source without speckle illumination |
| CN106773480B (en) * | 2016-12-19 | 2019-02-22 | 海信集团有限公司 | A kind of optical tunnel and lighting system |
-
2017
- 2017-07-21 CN CN201720895688.3U patent/CN207067431U/en active Active
-
2018
- 2018-01-31 WO PCT/CN2018/074753 patent/WO2019015296A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376833A (en) * | 2018-04-12 | 2019-10-25 | 深圳光峰科技股份有限公司 | Light-source system and optical projection system |
| CN110376833B (en) * | 2018-04-12 | 2022-03-25 | 深圳光峰科技股份有限公司 | Light source system and projection system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019015296A1 (en) | 2019-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518055 20-22 Floor, United Headquarters Building, No. 63 Xuefu Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Guangfeng Polytron Technologies Inc Address before: 518055 Guangdong province Shenzhen Nanshan District Xili town south of Cha Guang road Shenzhen integrated circuit design application Industrial Park 401 Patentee before: Shenzhen Appotronics Co., Ltd. |
|
| CP03 | Change of name, title or address |