CN107800478A - A kind of white light emission antenna for polychrome movement visible light communication - Google Patents
A kind of white light emission antenna for polychrome movement visible light communication Download PDFInfo
- Publication number
- CN107800478A CN107800478A CN201710957931.4A CN201710957931A CN107800478A CN 107800478 A CN107800478 A CN 107800478A CN 201710957931 A CN201710957931 A CN 201710957931A CN 107800478 A CN107800478 A CN 107800478A
- Authority
- CN
- China
- Prior art keywords
- integrating rod
- visible light
- light source
- polychrome
- led light
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
-
- 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
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/502—LED transmitters
Abstract
The present invention provides a kind of mixed white light emission antenna for polychrome movement visible light communication, including integrating rod optical system and Fresnel Lenses group optical system two parts, integrating rod optical system is mainly made up of multi-color LED light source and integrating rod, the multi-color LED light source is used to launching the visible light signal of carrying information, and the integrating rod is used for the visible light signal colour mixture into equal white light；Fresnel Lenses group is mainly formed by two panels specification Fresnel Lenses groove of the same race is staggered relatively, is projected for amplifying to integrating rod terminal surface, Uniform Illumination is formed in exit area.Transmitting antenna of the present invention can mix out the ability of high evenness white light, to meet illumination and mobile communication dual requirementses.
Description
Technical field
The invention belongs to optical antenna technical field, and in particular to a kind of white light hair for polychrome movement visible light communication
Penetrate antenna.
Background technology
LED has the advantages that green, high efficiency, low cost and modulated property as lighting source of new generation.Based on LED
Important supplement of the indoor visible light communication (VLC) to grow up as mobile communication, the anxiety of wireless frequency spectrum can be alleviated, and
And human body is damaged without electromagnetism, it can carry out data transmission while lighting demand is met, it is considered to be most have prospect at present
One of communication.
In recent years, as the demand to High Data Rate is increasingly urgent, bandwidth limited LED turns into key constraints.From
From the aspect of channel, single channel bandwidth lift technique and multichannel multiplexing skill can be divided into by improving the technology of visible light communication data rate
Art, with the maturation of monochromatic VLC technologies, just gradually develop to polychrome field.In polychrome WDM-VLC optical systems, launch day
Line is typically all used for lifting communication distance, obtains suitable colour temperature, brightness value and high evenness to meet mobile communication and illumination
Dual requirementses.Therefore light source colour increases, and undoubtedly proposes challenge to transmitting antenna.
The content of the invention
In view of this, it is an object of the invention to propose a kind of mixed white light emission day for polychrome movement visible light communication
Line, the transmitting antenna can mix out the ability of high evenness white light, to meet illumination and mobile communication dual requirementses.
Realize that technical scheme is as follows：
A kind of mixed white light emission antenna for polychrome movement visible light communication, including integrating rod optical system and Fresnel
Lens group optical system two parts,
Integrating rod optical system is mainly made up of multi-color LED light source and integrating rod, and the multi-color LED light source, which is used to launch, to be carried
There is a visible light signal of information, the integrating rod is used for the visible light signal colour mixture into equal white light；
Fresnel Lenses group is mainly formed by two panels specification Fresnel Lenses groove of the same race is staggered relatively, for integrating rod
Terminal surface amplification projection, forms Uniform Illumination in exit area.
Further, multi-color LED light source of the present invention is arranged in array format.
Further, integrating rod of the present invention is column integrating rod, material K9, and front/rear end polishes.
Further, the end face that integrating rod of the present invention is is rectangle or regular hexagon.
Further, Fresnel Lenses material of the present invention is PMMA.
Further, multi-color LED light source of the present invention includes red LED light source, green LED light source, blue led light source
And yellow LED light source.
Relative to existing visible light communication optical system, innovative point of the invention is：
First, the present invention blendes together equal white light by integrating rod by multi-colored led, and the uniformity is up to 73% or so, solves
Conventional lenses can not realize this bottleneck of white-light illuminating in the multicolor visible light communications field, really make realization illumination with it is mobile logical
Letter dual requirementses are possibly realized.
Second, the present invention carries out projective amplification using Fresnel Lenses group to integrating rod terminal surface, is reducing optical system
While volume, the illumination region of 0.75m × 0.75m at indoor distances 1.77m is realized, and high evenness can be ensured, really
Realize illumination and mobile communication.
Brief description of the drawings
Fig. 1 is the structural front view of the white light emission Antenna Design of four color visible light communication optical systems of embodiment one；
Fig. 2 is the left view of the white light emission Antenna Design of four color visible light communication optical systems of embodiment one；
Fig. 3 is the structural representation of the white light emission Antenna Design of four color visible light communication optical systems of embodiment two.
Embodiment
It is described in detail below in conjunction with the accompanying drawings according to the preferred embodiment of the present invention.
One possesses the white light emission antenna that illumination communicates with the multicolor visible light of the two-way demand of mobile communication, it is desirable to simultaneously
Possess certain transmission range, and the performance of high evenness；Therefore white light emission antenna of the present invention mainly by multi-color LED light source,
Integrating rod, Fresnel Lenses group composition.
Multi-color LED light source launches carrying information visible light signal, and integrating rod is by each even light of color beam colour mixture, through Fresnel
Lens group realizes illumination and mobile communication to integrating rod terminal surface projective amplification.
Embodiment one：
As shown in Figure 1-2, the LED light source that four coloured light beam divergence angles are 180 ° is employed in the present embodiment, one square even
Matter integrating rod and two panels specification Fresnel Lenses of the same race collectively form a set of transmitting antenna optics based on four color visible light communications
System.
The optical system includes：A) R-LED light sources 1, b) G-LED light sources 2, c) B-LED light sources 3, d) Y-LED light sources 4, e)
Square homogeneous integrating rod 5, f) Fresnel Lenses 6, g) Fresnel Lenses 7.
Each optical element in the transmitting antenna of present embodiment is described in detail below.
A) R-LED light sources 1
The visible light signal for illuminating and communicating can be produced, using red LED light source.
B) G-LED light sources 2
The visible light signal for illuminating and communicating can be produced, using green LED light source.
C) B-LED light sources 3
The visible light signal for illuminating and communicating can be produced, using blue led light source.
D) Y-LED light sources 4
The visible light signal for illuminating and communicating can be produced, using yellow LED light source.
E) square integrating rod 5
Four color LED are sent light beam using total internal reflection principle and carry out the even light of colour mixture by square integrating rod, are obtained high uniform
White light is spent, its end face and side wall polish, and front/rear end shape is square, material K9.
F) Fresnel Lenses 6
Fresnel Lenses group has the advantages of numerical aperture is big, focal length is short, can replace conventional lenses to integrating rod terminal surface
Projective amplification is carried out, 0.75m × 0.75m illumination regions can be obtained at 1.77m.Using focal length 51mm, bore 50.8mm lens,
Its material is PMMA.
G) Fresnel Lenses 7
It is identical with Fresnel Lenses 6.
It is as follows according to one embodiment of present embodiment, optical system population parameter：
The optical system population parameter of table 1
The specific optical parametric of each optical element is as shown in table 2 in optics optical system.Wherein, the protection on LED light source
Layer is close to integrating rod front end face, and raising efficiency reduces optical system volume simultaneously；Integrating rod terminal surface is away from Fresnel lens group
13.5mm；Spacing is 1mm between two Fresnel Lenses.Whole transmitting terminal maximum caliber 50.8mm, overall length 80mm.
The white light emission antenna optical system structure parameter of table 2
Embodiment two
Embodiment two is the change to integrating rod shape in embodiment one, and principle is similar with embodiment one.
As shown in figure 3, embodiment one is compared, optical texture is constant, and difference is to use the homogeneous integrating rod pair of regular hexagon
Four color LED light source beams carry out the even light of colour mixture, obtain regular hexagon illuminated area.
In summary, presently preferred embodiments of the present invention is these are only, is not intended to limit the scope of the present invention.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of mixed white light emission antenna for polychrome movement visible light communication, it is characterised in that including integrating rod optical system
System and Fresnel Lenses group optical system two parts,
Integrating rod optical system is mainly made up of multi-color LED light source and integrating rod, and the multi-color LED light source is loaded with letter for transmitting
The visible light signal of breath, the integrating rod are used for the visible light signal colour mixture into equal white light；
Fresnel Lenses group is mainly formed by two panels specification Fresnel Lenses groove of the same race is staggered relatively, for integrating rod end
Face amplification projection, forms Uniform Illumination in exit area.
2. it is used for the mixed white light emission antenna of polychrome movement visible light communication according to claim 1, it is characterised in that described
Multi-color LED light source is arranged in array format.
3. the mixed white light emission antenna according to claim 1 or claim 2 for polychrome movement visible light communication, it is characterised in that
The multi-color LED light source includes red LED light source, green LED light source, blue led light source and yellow LED light source.
4. it is used for the mixed white light emission antenna of polychrome movement visible light communication according to claim 1, it is characterised in that described
Integrating rod is column integrating rod, material K9, and front/rear end polishes.
5. it is used for the mixed white light emission antenna of polychrome movement visible light communication according to claim 4, it is characterised in that described
The end face that integrating rod is is rectangle or regular hexagon.
6. it is used for the mixed white light emission antenna of polychrome movement visible light communication according to claim 1, it is characterised in that described
Fresnel Lenses material is PMMA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957931.4A CN107800478A (en) | 2017-10-16 | 2017-10-16 | A kind of white light emission antenna for polychrome movement visible light communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957931.4A CN107800478A (en) | 2017-10-16 | 2017-10-16 | A kind of white light emission antenna for polychrome movement visible light communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107800478A true CN107800478A (en) | 2018-03-13 |
Family
ID=61532743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710957931.4A Pending CN107800478A (en) | 2017-10-16 | 2017-10-16 | A kind of white light emission antenna for polychrome movement visible light communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107800478A (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 |
| TWI802879B (en) * | 2020-05-20 | 2023-05-21 | 日商Ａｒｓ股份有限公司 | Light source device |
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| US6454438B1 (en) * | 1996-10-04 | 2002-09-24 | Canon Kabushiki Kaisha | Illuminating apparatus and projector |
| CN101725916A (en) * | 2008-10-10 | 2010-06-09 | 红蝶科技(深圳)有限公司 | Three-primary color LED light source device and liquid crystal projection equipmentusing same |
| CN102957479A (en) * | 2011-08-31 | 2013-03-06 | 深圳光启高等理工研究院 | LED visible light communication system and light receiving antenna |
| CN205535152U (en) * | 2016-04-19 | 2016-08-31 | 北京欣天和怡光电科技有限公司 | Light emitting diode (LED) lamp |
| CN205606260U (en) * | 2015-11-10 | 2016-09-28 | 南京东晖光电有限公司 | Based on fresnel lens array LED intelligence illuminating optical system |
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2017
- 2017-10-16 CN CN201710957931.4A patent/CN107800478A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6454438B1 (en) * | 1996-10-04 | 2002-09-24 | Canon Kabushiki Kaisha | Illuminating apparatus and projector |
| CN101725916A (en) * | 2008-10-10 | 2010-06-09 | 红蝶科技(深圳)有限公司 | Three-primary color LED light source device and liquid crystal projection equipmentusing same |
| CN102957479A (en) * | 2011-08-31 | 2013-03-06 | 深圳光启高等理工研究院 | LED visible light communication system and light receiving antenna |
| CN205606260U (en) * | 2015-11-10 | 2016-09-28 | 南京东晖光电有限公司 | Based on fresnel lens array LED intelligence illuminating optical system |
| CN205535152U (en) * | 2016-04-19 | 2016-08-31 | 北京欣天和怡光电科技有限公司 | Light emitting diode (LED) lamp |
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 |
| TWI802879B (en) * | 2020-05-20 | 2023-05-21 | 日商Ａｒｓ股份有限公司 | Light source device |
| US11849922B2 (en) | 2020-05-20 | 2023-12-26 | Ars Co., Ltd. | Light source device |
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Application publication date: 20180313 |