CN104964245B - A kind of optical device generating multi-direction collimated light beam - Google Patents
A kind of optical device generating multi-direction collimated light beam Download PDFInfo
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- CN104964245B CN104964245B CN201510266455.2A CN201510266455A CN104964245B CN 104964245 B CN104964245 B CN 104964245B CN 201510266455 A CN201510266455 A CN 201510266455A CN 104964245 B CN104964245 B CN 104964245B
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- side wall
- main body
- optical device
- plane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The present invention relates to optical fields.The upper surface of a kind of optical device generating multi-direction collimated light beam, including an optical device main body, optical device main body is collimating lens；Optical device main body is equipped at least three side walls, and at least three side walls are the consistent free form surfaces of structure, and the side wall of optical device main body is equipped with reflective surface, and the reflective direction of reflective surface is towards the outside of optical device main body；Optical device main body is to be fixedly connected with optical device main body made of side wall by collimation lens.Free form surface can have both beam collimation and reflection function simultaneously, and structure using the present invention can complete the beam collimation of multiple directions and the light extraction of multiple directions, minimize system complexity, reduce production adjustment cost.
Description
Technical field
The present invention relates to optical fields, and in particular to a kind of optical lens.
Background technology
Collimating optical system can concentrate on the light sent out in one smaller solid angle being emitted, and can increase substantially light
Energy density and light utilization efficiency, light beam local illumination ability enhances after collimation, increases illumination distances, and collimation research has extremely wide
Wealthy foreground.Current many scholars expand further investigation in collimating optical system field, but what is studied is all forward list
Direction collimates, and effect is the big angle of divergence boil down to small divergence angle on the original direction of propagation light beam, and the direction of propagation does not have
Change, there was only a branch of collimated light after collimation.Research is also lacked in terms of multidirectional collimation at present, multidirectional collimation can be used for runway
Instruction, two-way, multidirectional collimated light beam finishing ornaments, Landscape Lighting etc..
Invention content
The purpose of the present invention is to provide a kind of optical devices generating multi-direction collimated light beam, are asked with solving above-mentioned technology
Topic.
Following technical scheme may be used to realize in technical problem solved by the invention：
A kind of optical device generating multi-direction collimated light beam, including an optical device main body, which is characterized in that the light
The upper surface for learning device main body is collimating lens；
The optical device main body is equipped at least three side walls, and at least three side wall is the consistent freely song of structure
Face, the side wall of the optical device main body are equipped with reflective surface, and the reflective direction of the reflective surface is towards the optical device master
The outside of body；
The optical device main body is to be fixedly connected with optical device main body made of the side wall by the collimation lens.
Free form surface can have both beam collimation and reflection function simultaneously, and structure using the present invention can complete multiple directions
Beam collimation and multiple directions light extraction, minimized system complexity, reduce production adjustment cost.
In use, the optical device main body and light source are coaxial, and light source is placed in the upper table of the optical device main body
At a certain distance from face.When light source sends out the light beam with certain angle of divergence, light is respectively radiated to optical device main body
On side wall, light is emitted after the collimation lens positioned at upper surface to lower collimation, and light is after the free form surface on side wall
Respectively to different directions collimated reflected, the light collimated in multiple directions has thus been obtained.
The optical device main body can be optical device main body made of acrylic material.
The side wall of the optical device main body is coated with reflective membrane or is coated with reflecting coating, forms the reflective surface.Acrylic
The material transparency is good, and quality is slim and graceful, cheap, is easy to be molded.
The optical device main body can also be the optical device main body that resin material is made.The optical device main body
Side wall is coated with reflective membrane or is coated with reflecting coating, forms the reflective surface.Resin material quality is slim and graceful, impact resistance, easy making process,
It is of low cost.
The optical device main body can also be optical device main body made of optical glass.The optical device main body
Side wall is coated with reflective membrane or is coated with reflecting coating, forms the reflective surface.Optical glass high temperature resistant, the coefficient of expansion are low, mechanical strong
Degree is high, chemical property is good.
As a preferred embodiment, the optical device main body is in a bucking ladder, there are four the optical device main body is set
Side wall；
The side wall of the bucking ladder includes front side wall, rear wall, left side wall, right side wall, the front side wall and the rear side
Wall is symmetrical about the first plane, and the left side wall is symmetrical about the second plane with the right side wall；
The intersection of first plane and second plane is the central axis of the bucking ladder.
It is reflected convenient for four angular alignments.
The upper surface of the bucking ladder is in a square, is the first square with the upper surface of the bucking ladder；
The front side wall, rear wall, left side wall, right side wall lower end surround second square, it is described first square
Cross-sectional area is more than the cross-sectional area of second square.
The light beam with certain angle of divergence is sent out convenient for front side wall, rear wall, left side wall, right side wall reflection source.
The front side wall is symmetrical about third plane with the left side wall, and the rear wall is with the right side wall about described
Third plane is symmetrical, and the front side wall is symmetrical about fourth plane with the right side wall, and the rear wall is closed with the left side wall
It is symmetrical in the fourth plane；
The intersection of the third plane and the fourth plane is the central axis of the bucking ladder.
As a preferred embodiment, the upper surface of the optical device main body is in an equilateral triangle, the optical device master
Body is set there are three side wall, respectively the first side wall, second sidewall, third side wall；
The first side wall is symmetrical about the first plane with the second sidewall, the second sidewall and the third side wall
Symmetrical about second plane, the third side wall is symmetrical about the third plane with the first side wall；
First plane and the intersection of second plane, the intersection of second plane and the third plane, institute
The intersection three for stating the first plane and the third plane is same straight line；
First plane and the intersection of second plane are conllinear with the center of gravity of the equilateral triangle.
The upper surface of the optical device main body can also be a circle.
The side wall of the optical device main body is connected by least three collimation free-form surface mirrors to be constituted.To real
Now collimation and reflection.
The side wall of the optical device main body is collimation free-form surface lens；
The collimation free-form surface lens are equipped with the reflective surface, and it is saturating that the reflective surface is located at the collimation free form surface
On the exit facet of mirror.
To realize collimation and reflection.
The equation met by the point established on side wall contour curve finds out Free-Form Surface Profile in conjunction with Matlab programmings
Data point is imported in SolidWorks and carries out curve fitting and model, and then obtains optical device by the discrete data point of curve
The physical model of main body wall, then go out with code v Software for Design the parameter of collimation lens, finally by free-curved-surface-type number
Ray tracing is carried out according to being imported into lighttools softwares with collimation lens data, to realize building for optical device main body
Mould；
Following table parameter is exactly the parameter of free form surface
| Coefficient | Value |
| 1 rank | 0.99978 |
| 2 ranks | -0.022891 |
| 3 ranks | 0.000124538 |
| 4 ranks | -2.8235e-006 |
| 5 ranks | -1.5660e-007 |
| 6 ranks | -1.6926e-009 |
| 7 ranks | 1.3640e-011 |
| 8 ranks | 2.5760e-012 |
| 9 ranks | 1.7680e-013 |
Advantageous effect：The present invention have many advantages, such as integrated level height, it is simple in structure, be convenient for adjustment, greatly reduce and be produced into
This.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the present invention.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Attached drawing is closed, the present invention is further explained.
Referring to Fig. 1, a kind of optical device generating multi-direction collimated light beam, including an optical device main body, optical device
The upper surface of main body is collimating lens 1；Optical device main body is equipped at least three side walls, and at least three side walls are structures one
The free form surface of cause, the side wall of optical device main body are equipped with reflective surface, and the reflective direction of reflective surface is towards optical device main body
Outside；Optical device main body is to be fixedly connected with optical device main body made of side wall by collimation lens 1.Free form surface can be simultaneously
Beam collimation and reflection function are had both, structure using the present invention can complete beam collimation and the multiple directions of multiple directions
Light extraction, minimized system complexity, reduce production adjustment cost.In use, optical device main body and light source 6
Coaxially, and light source 6 is placed at a certain distance from the upper surface of optical device main body.When light source 6 is sent out with certain angle of divergence
Light beam when, light is respectively radiated on the side wall of optical device main body, and the collimation lens 1 that light passes through positioned at upper surface is backward
Lower collimation outgoing, light, respectively to different directions collimated reflected, have thus obtained multiple after the free form surface on side wall
The light collimated on direction.Optical device main body can be optical device main body made of acrylic material.Optical device main body
Side wall be coated with reflective membrane or be coated with reflecting coating, formed reflective surface.The acrylic material transparency is good, quality is slim and graceful, price just
Preferably, it is easy to be molded.Optical device main body can also be the optical device main body that resin material is made.The side wall of optical device main body
It is coated with reflective membrane or is coated with reflecting coating, form reflective surface.Resin material quality is slim and graceful, impact resistance, easy making process, it is at low cost
It is honest and clean.Optical device main body can also be optical device main body made of optical glass.The side wall of optical device main body is coated with reflective
Film is coated with reflecting coating, forms reflective surface.Optical glass high temperature resistant, the coefficient of expansion be low, high mechanical strength, chemical property are good.
As a preferred embodiment, optical device main body is in a bucking ladder, and optical device main body is set there are four side wall；It is trapezoidal
The side wall of platform includes front side wall 3, rear wall 5, left side wall 2, right side wall 4, and front side wall 3 is symmetrical about the first plane with rear wall 5,
Left side wall 2 is symmetrical about the second plane with right side wall 4；The intersection of first plane and the second plane is the central axis of bucking ladder.
It is reflected convenient for four angular alignments.
The upper surface of bucking ladder is in a square, is the first square with the upper surface of bucking ladder；Front side wall 3, rear side
Wall 5, left side wall 2, right side wall 4 lower end surround second square, first square cross-sectional area be more than second square
Cross-sectional area.The light with certain angle of divergence is sent out convenient for front side wall 3, rear wall 5, left side wall 2,4 reflection source 6 of right side wall
Beam.Front side wall 3 is symmetrical about third plane with left side wall 2, and rear wall 5 is symmetrical about third plane with right side wall 4, front side wall 3
Symmetrical about fourth plane with right side wall 4, rear wall 5 is symmetrical about fourth plane with left side wall 2；Third plane and fourth plane
Intersection be bucking ladder central axis.As a preferred embodiment, the upper surface of optical device main body is in an equilateral triangle, light
It learns device main body to set there are three side wall, respectively the first side wall, second sidewall, third side wall；The first side wall is closed with second sidewall
Symmetrical in the first plane, second sidewall is symmetrical about the second plane with third side wall, and third side wall is with the first side wall about third
Plane is symmetrical；First plane and the intersection of the second plane, intersection, the first plane and the third plane of the second plane and third plane
Intersection three be same straight line；First plane is conllinear with the center of gravity of equilateral triangle with the intersection of the second plane.Optical device master
The upper surface of body can also be a circle.
The side wall of optical device main body is connected by least three collimation free-form surface mirrors to be constituted.To realize standard
Directly with reflection.The side wall of optical device main body is collimation free-form surface lens；It collimates free-form surface lens and is equipped with reflective surface, instead
Smooth surface is located on the exit facet of collimation free-form surface lens.To realize collimation and reflection.By establishing on side wall contour curve
The equation that is met of point, the discrete data point of Free-Form Surface Profile curve is found out in conjunction with Matlab programmings, data point is imported
It carries out curve fitting and models in SolidWorks, and then obtain the physical model of optical device main body wall, then use code
V Software for Design goes out the parameter of collimation lens 1, finally imported into free-curved-surface-type data and 1 data of collimation lens
Ray tracing is carried out in lighttools softwares, to realize the modeling of optical device main body.Following table parameter is exactly free form surface
Parameter
| Coefficient | Value |
| 1 rank | 0.99978 |
| 2 ranks | -0.022891 |
| 3 ranks | 0.000124538 |
| 4 ranks | -2.8235e-006 |
| 5 ranks | -1.5660e-007 |
| 6 ranks | -1.6926e-009 |
| 7 ranks | 1.3640e-011 |
| 8 ranks | 2.5760e-012 |
| 9 ranks | 1.7680e-013 |
Advantageous effect：The present invention have many advantages, such as integrated level height, it is simple in structure, be convenient for adjustment, greatly reduce and be produced into
This.
The lower end of side wall is coated with a magnetic powder last layer.Convenient for the installation of the present invention.
Optical lens body outer surface is coated with an anti-blue light film layer, and the thickness of anti-blue light film layer is not more than 1mm, and not small
In 0.5mm.
The upper surface of optical lens main body and the junction of side wall are equipped with photosensitive element, the adjacent wall of optical lens main body
Junction also be provided with photosensitive element；
Optical lens main body includes a fixing bracket, and fixing bracket is equipped with a mobile platform, mobile platform and optical lens
The lower end of mirror main body is fixedly connected, and the profile of mobile platform is consistent with the lower end profile of optical lens main body；
Mobile platform is connected by a transmission mechanism with a motor, and photosensitive element connects a microprocessor system, micro-
Type processor system connects motor.
Different location residing for light source adjusts optical lens main body in real time.
The basic principles and main features and advantages of the present invention of the present invention have been shown and described above.The skill of the industry
Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (10)
1. a kind of optical device generating multi-direction collimated light beam, including an optical device main body, which is characterized in that the optics
The upper surface of device main body is collimating lens；
The optical device main body is equipped at least three side walls, and at least three side wall is the consistent free form surface of structure,
The side wall of the optical device main body is equipped with reflective surface, and the reflective direction of the reflective surface is towards the optical device main body
Outside；
The optical device main body is to be fixedly connected with optical device main body made of the side wall by the collimation lens；
Free form surface has both beam collimation and reflection function, the parameter of free form surface simultaneously
The lower end of side wall is coated with a magnetic powder last layer；
The upper surface of optical lens main body and the junction of side wall are equipped with photosensitive element, the company of the adjacent wall of optical lens main body
The place of connecing also is provided with photosensitive element；
Optical lens main body includes a fixing bracket, and fixing bracket is equipped with a mobile platform, mobile platform and optical lens master
The lower end of body is fixedly connected, and the profile of mobile platform is consistent with the lower end profile of optical lens main body；
Mobile platform is connected by a transmission mechanism with a motor, and photosensitive element connects a microprocessor system, miniature place
It manages device system and connects motor.
2. a kind of optical device generating multi-direction collimated light beam according to claim 1, it is characterised in that：The optics
Device main body is optical device main body made of acrylic material.
3. a kind of optical device generating multi-direction collimated light beam according to claim 1, it is characterised in that：The optics
The side wall of device main body is coated with reflective membrane or is coated with reflecting coating, forms the reflective surface.
4. a kind of optical device generating multi-direction collimated light beam according to claim 1, it is characterised in that：The optics
Device main body is in a bucking ladder, and the optical device main body is set there are four side wall；
The side wall of the bucking ladder includes front side wall, rear wall, left side wall, right side wall, and the front side wall is closed with the rear wall
Symmetrical in the first plane, the left side wall is symmetrical about the second plane with the right side wall；
The intersection of first plane and second plane is the central axis of the bucking ladder.
5. a kind of optical device generating multi-direction collimated light beam according to claim 4, it is characterised in that：It is described trapezoidal
The upper surface of platform is in a square, is the first square with the upper surface of the bucking ladder；
The front side wall, rear wall, left side wall, right side wall lower end surround second square, it is described first square it is transversal
Area is more than the cross-sectional area of second square.
6. a kind of optical device generating multi-direction collimated light beam according to claim 4, it is characterised in that：The front side
Wall is symmetrical about third plane with the left side wall, the rear wall and the right side wall symmetrical, the institute about the third plane
It is symmetrical about fourth plane with the right side wall to state front side wall, the rear wall is with the left side wall about the fourth plane pair
Claim；
The intersection of the third plane and the fourth plane is the central axis of the bucking ladder.
7. a kind of optical device generating multi-direction collimated light beam according to claim 1, it is characterised in that：The optics
The upper surface of device main body is in an equilateral triangle, and the optical device main body is set there are three side wall, respectively the first side wall, and second
Side wall, third side wall；
The first side wall is symmetrical about the first plane with the second sidewall, the second sidewall and the third side wall about
Second plane is symmetrical, and the third side wall is symmetrical about third plane with the first side wall；
The intersection of first plane and second plane, the intersection of second plane and the third plane, described the
The intersection three of one plane and the third plane is same straight line；
First plane and the intersection of second plane are conllinear with the center of gravity of the equilateral triangle.
8. a kind of optical device generating multi-direction collimated light beam according to claim 1, it is characterised in that：The optics
The upper surface of device main body is a circle.
9. a kind of optical device generating multi-direction collimated light beam according to claim 1, it is characterised in that：The optics
The side wall of device main body is connected by least three collimation free-form surface mirrors to be constituted.
10. a kind of optical device generating multi-direction collimated light beam according to claim 1, it is characterised in that：The light
The side wall for learning device main body is collimation free-form surface lens；
The collimation free-form surface lens are equipped with the reflective surface, and the reflective surface is located at the collimation free-form surface lens
On exit facet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510266455.2A CN104964245B (en) | 2015-05-22 | 2015-05-22 | A kind of optical device generating multi-direction collimated light beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510266455.2A CN104964245B (en) | 2015-05-22 | 2015-05-22 | A kind of optical device generating multi-direction collimated light beam |
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| Publication Number | Publication Date |
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| CN104964245A CN104964245A (en) | 2015-10-07 |
| CN104964245B true CN104964245B (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510266455.2A Active CN104964245B (en) | 2015-05-22 | 2015-05-22 | A kind of optical device generating multi-direction collimated light beam |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973944A (en) * | 2017-12-27 | 2019-07-05 | 深圳点石创新科技有限公司 | A kind of LED lens and LED light |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5230560A (en) * | 1992-01-07 | 1993-07-27 | Whelen Technologies, Inc. | Anti-collision light assembly |
| CN102901058A (en) * | 2012-10-17 | 2013-01-30 | 广州市浩洋电子有限公司 | Optical system for stage lamp |
| CN104090356A (en) * | 2014-07-16 | 2014-10-08 | 山东理工大学 | Optical system used for collimation of 1 mm*1 mm LED light source |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100722590B1 (en) * | 2005-08-30 | 2007-05-28 | 삼성전기주식회사 | LED lens for backlight |
-
2015
- 2015-05-22 CN CN201510266455.2A patent/CN104964245B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5230560A (en) * | 1992-01-07 | 1993-07-27 | Whelen Technologies, Inc. | Anti-collision light assembly |
| CN102901058A (en) * | 2012-10-17 | 2013-01-30 | 广州市浩洋电子有限公司 | Optical system for stage lamp |
| CN104090356A (en) * | 2014-07-16 | 2014-10-08 | 山东理工大学 | Optical system used for collimation of 1 mm*1 mm LED light source |
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Effective date of registration: 20190524 Address after: 213023 No. 16 Meihua Road, Zhonglou Economic Development Zone, Changzhou City, Jiangsu Province Patentee after: ChangZhou HuaDa KeJie Opto-Electro Instrument Co., Ltd. Address before: Room 510-4, Building 4, No. 200 Guoding East Road, Yangpu District, Shanghai, 2003 Patentee before: Shanghai Li Xin optics Science and Technology Ltd. |