CN105805568A - Portable high-uniformity lighting source - Google Patents
Portable high-uniformity lighting source Download PDFInfo
- Publication number
- CN105805568A CN105805568A CN201610190651.0A CN201610190651A CN105805568A CN 105805568 A CN105805568 A CN 105805568A CN 201610190651 A CN201610190651 A CN 201610190651A CN 105805568 A CN105805568 A CN 105805568A
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- CN
- China
- Prior art keywords
- plus lens
- light
- light source
- fibre bundle
- emitting diode
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- 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
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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
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
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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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The invention discloses a portable high-uniformity lighting source. The portable high-uniformity lighting source comprises a light emitting diode set, a first positive lens, an optical fiber bundle and a second positive lens which are arranged in a coaxial manner; light emitted by the light emitting diode set is incident to the first positive lens, is transmitted through the first positive lens, is focused to the front end face of the optical fiber bundle, and is output from the back end face of the optical fiber bundle; and the light output from the back end face of the optical fiber bundle is incident to the second positive lens and is transmitted by the second positive lens to be output. The lighting source has the beneficial effects of being good in uniformity, high in conversion efficiency and the like; and the lighting source has the beneficial effects of being compact in structure, good in portability, easy to machine and the like.
Description
Technical field
The present invention relates to a kind of lighting source field, particularly relate to a kind of portable high evenness lighting source.
Background technology
In the prior art, high evenness lighting source mainly adopts the even smooth method of fly's-eye lens or optical integral rod to be made.But, the problem that fly's-eye lens and glass square rod exist processing, debug complexity.If problem that is careless slightly in debuging process, that be easy for causing device failure or light source uniform to be deteriorated.
Therefore, prior art needs a kind of be prone to processing, debug simplicity, lighting source that uniformity is high.
Summary of the invention
It is an object of the invention to propose a kind of cellular high evenness lighting source, to overcome lighting source processing in prior art, to debug the technological deficiency of complexity, lack of homogeneity.
The portable high evenness lighting source of the present invention, including: the light-emitting diode group of coaxial setting, the first plus lens, fibre bundle, the second plus lens；Wherein, described fibre bundle is positioned in the image plane of the first plus lens；
The light that described light-emitting diode group sends incides on the first plus lens, then focuses on after the first plus lens transmission on the front end face of described fibre bundle, and exports from the rear end face of described fibre bundle；Incide the second plus lens from the light of described fibre bundle rear end face output, and export after the second plus lens transmission.
Preferably, the focal length of the first plus lens is 30mm, and the focal length of the second plus lens is 100mm.
Preferably, described light-emitting diode group is 60mm to the distance of the first plus lens.
Preferably, the front end face of described fibre bundle is 60mm to the distance of the first plus lens, and the rear end face of described fibre bundle is 20mm to the distance of the second plus lens.
Preferably, the clear aperature of the front and rear end of described fibre bundle is 15mm, and the length of described optical fiber is 150mm, and the numerical aperture of described fibre bundle is 0.5.
Preferably, the first plus lens is planoconvex lens, and the second plus lens is planoconvex lens.
Preferably, described light-emitting diode group circular array is distributed, the center of described annular array outwards include successively: six diodes be positioned on the first ring diode, being positioned on the second ring.
Preferably, described light source also includes power supply；Described power supply is for powering for described light-emitting diode group.
Preferably, described light source also includes light-emitting diode switch control circuit；Described light-emitting diode switch control circuit is for controlling the switching of the energising of described light-emitting diode group, off-position.
Preferably, described light source also includes casing；Described light-emitting diode group, the first plus lens, described fibre bundle, the second plus lens, described power package are at described box house.
In the inventive solutions, cellular high evenness lighting source is mainly made up of light-emitting diode group, the first plus lens, fibre bundle, the second plus lens.The light that described light-emitting diode group sends incides on the first plus lens, then focuses on after the first plus lens transmission on the front end face of described fibre bundle, and exports from the rear end face of described fibre bundle；Incide the second plus lens from the light of described fibre bundle rear end face output, and export after the second plus lens transmission.Compared with traditional light integrator, the present invention replaces the field lens in light integrator by light-emitting diode group, the projection lens in light integrator is replaced by arranging the second plus lens, there is the advantage that optical element quantity is few, optical element processing is easy, it addition, the present invention by the first plus lens, fibre bundle, the second plus lens combination improve the uniformity of light source.
Accompanying drawing explanation
By the detailed description of the invention part provided referring to accompanying drawing, the features and advantages of the present invention will become better understood by, in the accompanying drawings:
Fig. 1 is the structural representation of the portable high evenness lighting source of the embodiment of the present invention illustrated；
1, light emitting diode combined；2, the first plus lens；3, fibre bundle；4, the second plus lens；5, power supply；6, shadow surface.
Detailed description of the invention
With reference to the accompanying drawings the illustrative embodiments of the present invention is described in detail.To the description of illustrative embodiments merely for the sake of demonstration purpose, and it is definitely not the restriction to the present invention and application or usage.
In the prior art, Uniform Illumination light source often adopts the method for fly's-eye lens or optical integral rod to make.Due to fly's-eye lens, optical integral rod processing, debug complexity, the therefore careless slightly problem being easy for causing device failure or light source uniform to be deteriorated.For above-mentioned technological deficiency, the invention provides a kind of portable high evenness lighting source, to reduce processing, resetting difficulty, improve the uniformity of light source.
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in detail.It can be seen from figure 1 that the portable high evenness lighting source of the embodiment of the present invention includes: light-emitting diode group 1, first plus lens 2 of coaxial setting from left to right, fibre bundle the 3, second plus lens 4.
In embodiments of the present invention, light-emitting diode group 1 is made up of the multiple diodes in array distribution.Such as, the diode in light-emitting diode group can circular array or square array distribution.It is also preferred that the left the distribution of light emitting diode 1 circular array, and outwards included successively by the center of described annular array: six diodes be positioned on the first ring diode, being positioned on the second ring.In the specific implementation, it is possible to improve illuminance and the uniformity of lighting source by increasing the quantity of diode.
First plus lens 2 is positioned at the right side of light emitting diode 1, for receiving the light that light-emitting diode group 1 sends, and output after light beam is assembled.In embodiments of the present invention, the first plus lens 2 selects planoconvex lens.Interchangeable, the first plus lens 2 also can be selected for biconvex lens.The focal length of the first plus lens 2 is 30mm, and the distance between the first plus lens 2 and light-emitting diode group 1 is 60mm.In the specific implementation, the distance between focal length and the first plus lens and the light-emitting diode group of the first plus lens is adjusted also dependent on needs.
Fibre bundle 3 is positioned at the right side of the first plus lens 2, and its incident end face is positioned in the image plane on the right side of the first plus lens, for receiving the light of the first plus lens 2 output, and forms multiple uniformly light-emitting point on end face behind.In embodiments of the present invention, when the focal length of the first plus lens 2 is 30mm, the front end face of fibre bundle 3 is 60mm to the distance of the first plus lens 2.It is also preferred that the left the clear aperature of the front and rear end of fibre bundle 3 is 15mm, the length of described fibre bundle is 150mm, and the numerical aperture of fibre bundle 3 is 0.5.
Second plus lens 4 is positioned at the right side of fibre bundle 3, for receiving the light from the output of fibre bundle 3 rear end face, and output after light beam is expanded, to form equally distributed light on shadow surface 6.In embodiments of the present invention, the second plus lens 4 selects planoconvex lens.Interchangeable, the second plus lens 4 also can be selected for biconvex lens.The focal length of the second plus lens is 100mm, and the distance between the second plus lens 4 and the rear end face of fibre bundle 3 is 20mm.In the specific implementation, the distance between focal length and the second plus lens and the fibre bundle rear end face of the second plus lens is adjusted also dependent on the size of required irradiation hot spot.
In embodiments of the present invention, described portable high evenness lighting source also includes power supply 5.Power supply 5 is for powering for light-emitting diode group 1.It is also preferred that the left also include ON-OFF control circuit between power supply 5 and light-emitting diode group 1.Described ON-OFF control circuit is for switching over the energising of light-emitting diode group 1, off-position.It addition, in embodiments of the present invention, described light source also includes casing.Light-emitting diode group the 1, first plus lens 2, fibre bundle the 3, second plus lens 4, power supply 5 are all encapsulated in described box house.In order to alleviate weight, the casing aluminium alloy material in the embodiment of the present invention is made.Box sizes after machine-shaping is: long 400mm, wide 200mm, high 200mm.
The portable high evenness lighting source of embodiment of the present invention design has the advantage that optical element quantity is few, optical element processing is easy.It addition, the present invention by the first plus lens, fibre bundle, the second plus lens combination improve the uniformity of light source.Finding through test, the uniform performance of the light source of the embodiment of the present invention reaches ± 5%, and system gross weight is less than 3kg.
Although with reference to illustrative embodiments, invention has been described, it is to be understood that, the invention is not limited in the detailed description of the invention being described in detail in literary composition and illustrating, when not necessarily departing from the scope that claims limit, described illustrative embodiments can be made various change by those skilled in the art.
Claims (10)
1. a portable high evenness lighting source, it is characterised in that described light source includes: the light-emitting diode group of coaxial setting, the first plus lens, fibre bundle, the second plus lens；Wherein, described fibre bundle is positioned in the image plane of the first plus lens；
The light that described light-emitting diode group sends incides on the first plus lens, then focuses on after the first plus lens transmission on the front end face of described fibre bundle, and exports from the rear end face of described fibre bundle；Incide the second plus lens from the light of described fibre bundle rear end face output, and export after the second plus lens transmission.
2. light source as claimed in claim 1, it is characterised in that the focal length of the first plus lens is 30mm, and the focal length of the second plus lens is 100mm.
3. light source as claimed in claim 2, it is characterised in that described light-emitting diode group is 60mm to the distance of the first plus lens.
4. light source as claimed in claim 3, it is characterised in that the front end face of described fibre bundle is 60mm to the distance of the first plus lens, and the rear end face of described fibre bundle is 20mm to the distance of the second plus lens.
5. light source as claimed in claim 4, it is characterised in that the clear aperature of the front and rear end of described fibre bundle is 15mm, and the length of described optical fiber is 150mm, and the numerical aperture of described fibre bundle is 0.5.
6. light source as claimed in claim 5, it is characterised in that the first plus lens is planoconvex lens, and the second plus lens is planoconvex lens.
7. light source as claimed in claim 1, it is characterised in that described light-emitting diode group circular array is distributed, the center of described annular array outwards include successively: six diodes be positioned on the first ring diode, being positioned on the second ring.
8. the light source as described in as arbitrary in claim 1-7, it is characterised in that described light source also includes power supply；
Described power supply is for powering for described light-emitting diode group.
9. light source as claimed in claim 8, it is characterised in that described light source also includes ON-OFF control circuit；
Described ON-OFF control circuit is for controlling the switching of the energising of described light-emitting diode group, off-position.
10. light source as claimed in claim 9, it is characterised in that described light source also includes casing；
Described light-emitting diode group, the first plus lens, described fibre bundle, the second plus lens, described power package are at described box house.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190651.0A CN105805568A (en) | 2016-03-30 | 2016-03-30 | Portable high-uniformity lighting source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190651.0A CN105805568A (en) | 2016-03-30 | 2016-03-30 | Portable high-uniformity lighting source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105805568A true CN105805568A (en) | 2016-07-27 |
Family
ID=56454246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610190651.0A Pending CN105805568A (en) | 2016-03-30 | 2016-03-30 | Portable high-uniformity lighting source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105805568A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110995346A (en) * | 2019-11-26 | 2020-04-10 | 泉州装备制造研究所 | Light source for multi-channel visible light communication system |
| CN115199967A (en) * | 2022-07-15 | 2022-10-18 | 北京环境特性研究所 | Irradiation distance adjustable solar simulator system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0596865A2 (en) * | 1990-12-17 | 1994-05-11 | Stanley Electric Co., Ltd. | Light irradiating apparatus having light emitting diode used as light source |
| JP2005056608A (en) * | 2003-08-06 | 2005-03-03 | Tokyo Iken Kk | Optical irradiation device and light therapeutic apparatus using this optical irradiation device |
| CN102748671A (en) * | 2012-06-25 | 2012-10-24 | 赵宇 | High-uniformity light source device for transmission visibility meter |
| CN102913817A (en) * | 2012-09-29 | 2013-02-06 | 西安理工大学 | Light source device for radar detection system |
| CN104089190A (en) * | 2014-07-04 | 2014-10-08 | 陕西日升源创能科技有限公司 | LED lamp light energy recovery method |
| WO2016025831A2 (en) * | 2014-08-14 | 2016-02-18 | Bae Systems Information And Electronic Systems Integration Inc. | System for uniformly illuminating target to reduce speckling |
-
2016
- 2016-03-30 CN CN201610190651.0A patent/CN105805568A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0596865A2 (en) * | 1990-12-17 | 1994-05-11 | Stanley Electric Co., Ltd. | Light irradiating apparatus having light emitting diode used as light source |
| JP2005056608A (en) * | 2003-08-06 | 2005-03-03 | Tokyo Iken Kk | Optical irradiation device and light therapeutic apparatus using this optical irradiation device |
| CN102748671A (en) * | 2012-06-25 | 2012-10-24 | 赵宇 | High-uniformity light source device for transmission visibility meter |
| CN102913817A (en) * | 2012-09-29 | 2013-02-06 | 西安理工大学 | Light source device for radar detection system |
| CN104089190A (en) * | 2014-07-04 | 2014-10-08 | 陕西日升源创能科技有限公司 | LED lamp light energy recovery method |
| WO2016025831A2 (en) * | 2014-08-14 | 2016-02-18 | Bae Systems Information And Electronic Systems Integration Inc. | System for uniformly illuminating target to reduce speckling |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110995346A (en) * | 2019-11-26 | 2020-04-10 | 泉州装备制造研究所 | Light source for multi-channel visible light communication system |
| CN115199967A (en) * | 2022-07-15 | 2022-10-18 | 北京环境特性研究所 | Irradiation distance adjustable solar simulator system |
| CN115199967B (en) * | 2022-07-15 | 2024-01-12 | 北京环境特性研究所 | Irradiation distance adjustable solar simulator system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160727 |
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| RJ01 | Rejection of invention patent application after publication |