CN103775978A - Polarized light collimation assembly and LED lamp - Google Patents
Polarized light collimation assembly and LED lamp Download PDFInfo
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- CN103775978A CN103775978A CN201410045859.4A CN201410045859A CN103775978A CN 103775978 A CN103775978 A CN 103775978A CN 201410045859 A CN201410045859 A CN 201410045859A CN 103775978 A CN103775978 A CN 103775978A
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- polarisation
- collimator assembly
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Abstract
The invention relates to a polarized light collimation assembly and an LED (Light-Emitting Diode) lamp. The polarized light collimation assembly is used for light control of an LED chip light source and comprises a spreadlight lens, a reflection cup and a spherical lens which are sequentially arranged on the axis, wherein the spreadlight lens is used for converging light emitted by an LED chip to one side of the reflection cup; the reflection cup is used for reflecting the light emerged from the spreadlight lens towards the spherical lens; the spherical lens is used for converging the light reflected by the reflection cup and then enabling the light to be emerged. The LED lamp comprises a plurality of polarized light collimation assemblies and a frame and the polarized light collimation assemblies are mounted at both ends of the frame. According to the polarized light collimation assembly and the LED lamp which are disclosed by the invention, the light emitted by the LED chip is deflected towards one side and converged, so that the polarized light collimation assembly and the LED lamp have simple structures and small volumes.
Description
Technical field
The present invention relates to LED lighting field, particularly relate to a kind of polarisation collimator assembly and LED light fixture.
Background technology
Existing LED long distance illumination lamp applications, in the light fixtures such as station illumination, flood lighting, generally adopts the LED of 1W or 3w, more than LED lighting angle 120 degree.Under identical power situation, long distance illumination angle is less, and the distance of irradiation is far away.Current most control light mode is symmetrical control light.Single lens control LED bright dipping, because LED is not a spot light, from optical extend principle, only has larger that lens combination is done rising angle could be reduced.It is huge that this causes reaching in illumination target situation overall lamp system, reduces light fixture size and but cannot meet lighting requirement.
Summary of the invention
Because the existing defect of above-mentioned prior art, the object of the invention is to, a kind of polarisation collimator assembly and LED light fixture are provided, make that it is simple in structure, volume is little.
To achieve these goals, a kind of polarisation collimator assembly proposing according to the present invention, for LED chip light source control light, it comprises: the spreadlight lens, reflector and the spherical lens that on axis, set gradually, wherein, this spreadlight lens is for converging in reflector one side by the light of LED chip transmitting; This reflector is by the light of this spreadlight lens outgoing, to this spherical lens reflection; The light of this reflector reflection is converged rear outgoing by this spherical lens.
The present invention also can be applied to the following technical measures to achieve further.
Aforesaid polarisation collimator assembly, wherein said spreadlight lens end face in a cross section in orthogonal two cross sections is the thick shape in intermediate thin both sides, and in another cross section, end face is by the side direction opposite side shape of thickening gradually.
Aforesaid polarisation collimator assembly, wherein said reflector is half cover body shape, and internal face is reflecting surface.
To achieve these goals, the present invention also proposes a kind of LED light fixture, and it comprises aforesaid multiple polarisation collimator assembly and framework, and described multiple polarisation collimator assembly displays are arranged on this framework.
The present invention also can be applied to the following technical measures to achieve further.
Aforesaid LED light fixture, it also comprises printed circuit board (PCB) and multiple fin; One side of this printed circuit board (PCB) is installed multiple LED chips, and the plurality of fin fits tightly the opposite side at this printed circuit board (PCB) by heat-conducting cream.
Aforesaid LED light fixture, wherein said printed circuit board (PCB) is entrenched in a side of framework.
Aforesaid LED light fixture, each wherein said LED chip is by this polarisation collimator assembly control light.
Aforesaid LED light fixture, the spreadlight lens of this wherein said polarisation collimator assembly and reflector are arranged on LED chip 11 places of this printed circuit board (PCB), the spherical lens display composition spherical lens group of this polarisation collimator assembly, spherical lens group is arranged on the other end of the framework that printed circuit board (PCB) is relative.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, polarisation collimator assembly of the present invention and LED light fixture, at least have following advantages:
One, polarisation collimator assembly of the present invention and LED light fixture, the light that wherein spreadlight lens sends LED is rolled over and gathers to a lateral deviation, thereby can reduce the volume of reflective surface, and then makes the simple in structure of polarisation collimator assembly and LED light fixture, and volume is little.
Two, polarisation collimator assembly of the present invention and LED light fixture, in rising angle is controlled at very among a small circle, can realize long distance illumination.
Three, polarisation collimator assembly of the present invention and LED light fixture, bright dipping is even, and edge light relatively a little less than, can be used in special dimension illumination.
Four, polarisation collimator assembly of the present invention and LED light fixture, energy-conservation compared with conventional light source, and environmentally safe.
Five, polarisation collimator assembly of the present invention and LED light fixture, can realize the modular applications of multiple assemblies, is convenient to secondary development.Light fixture modularity be assemblied into lamp installation and replacing bring convenient.
Six, polarisation collimator assembly of the present invention and LED light fixture, has the features such as high-power module, long distance illumination, service life is long and easy for installation, can be widely used in searchlighting search, stage, the lighting field such as outdoor remote.
Accompanying drawing explanation
Fig. 1 is the control light principle schematic of polarisation collimator assembly one embodiment of the present invention.
Fig. 2 is spreadlight lens and the reflector control light principle schematic of polarisation collimator assembly one embodiment of the present invention.
The schematic cross-section of the spreadlight lens that Fig. 3 A, Fig. 3 B are respectively polarisation collimator assembly one embodiment of the present invention in orthogonal plane.
Fig. 4 is the reflector schematic diagram of polarisation collimator assembly one embodiment of the present invention.
Fig. 5 is the spreadlight lens of polarisation collimator assembly one embodiment of the present invention and the Computer Simulation effect schematic diagram of reflector control light effect.
Fig. 6 is to be the computer simulation schematic diagram of invention polarisation collimator assembly control light effect.
Fig. 7 is to be the perspective exploded view of LED light fixture one embodiment of the present invention.
The specific embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, the polarisation collimator assembly proposing according to the present invention and its specific embodiment of LED light fixture, step, structure, feature and effect thereof are described in detail.
Referring to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, is respectively control light principle schematic, spreadlight lens and reflector control light principle schematic, spreadlight lens schematic diagram, the reflector schematic diagram of polarisation collimator assembly one embodiment of the present invention.The polarisation collimator assembly 2 of the present embodiment comprises, the spreadlight lens 21, reflector 23 and the spherical lens 25 that on axis 27, set gradually.The polarisation collimator assembly 2 of the present embodiment, the light 50 of launching for controlling LED chip 11.
The light 50 that above-mentioned LED chip 11 is launched is lambert's body light source, and lighting angle is more than 120 °.Multiple LED chips 11 are welded on a pcb board, and form independently module.
Above-mentioned spreadlight lens 21 covers on LED chip 11, converges in reflector 23 1 sides for the light 50 that LED chip 11 is launched.This spreadlight lens 21 is made up of the transparent material such as acrylic or PC.This spreadlight lens 21 end face in cross section 35 is the thick shape in intermediate thin both sides, and in cross section 36, end face is by the side direction opposite side shape of thickening gradually, and cross section 35 is mutually vertical with cross section 36.The light 50 that this LED chip 11 sends is converted to the forms of radiation of the one section deflection thick to the lens of this spreadlight lens 21 by symmetrical forms of radiation, the light of polarisation one side is concentrated and shone on the reflecting surface of this reflector 23 thus.
Above-mentioned reflector 23 is arranged at a side of spreadlight lens 21, and this reflector 23 is half cover body shape, and internal face is reflecting surface.This reflector 23, owing to being half cover body shape, can reduce the space size of material and reflective surface.By the light 50 of spreadlight lens 2 outgoing, after reflector 23 reflections, be the parallel outgoing of class to this spherical lens 25.
Above-mentioned spherical lens 25 is convex lens.In the present embodiment, the incidence surface of this spherical lens 25 is plane, and exiting surface is sphere.Reflected the light 50 of rear outgoing by reflector 23, outgoing after spherical lens 25 converges, the rising angle of emergent ray 50 is in 1 degree.
Refer to shown in Fig. 5, for spreadlight lens 21 and the reflector 23 of polarisation collimator assembly one embodiment of the present invention controlled the Computer Simulation effect schematic diagram of light effect.The light that LED chip 11 sends converges in reflector 23 1 sides through spreadlight lens 21, and light 50 is the parallel outgoing of class after reflector 23 reflections again.
Referring to shown in Fig. 6, is the computer simulation schematic diagram of invention polarisation collimator assembly control light effect.The demonstration of analog simulation result, the polarisation collimator assembly rising angle of the present embodiment is in 1 degree, compared with traditional lighting lamp, under equal luminous flux condition, energy consumption is lower than traditional lighting lamp, and light is even.
Referring to shown in Fig. 7, is the perspective exploded view of LED light fixture one embodiment of the present invention.LED light fixture 1 of the present invention, comprises, printed circuit board (PCB) 3, multiple polarisation collimator assembly 2, multiple fin 4 and framework 5.
One side of this printed circuit board (PCB) 3 is electrically connected multiple LED chips 11.The plurality of fin 4 fits tightly the opposite side at this printed circuit board (PCB) 3 by heat-conducting cream.This printed circuit board (PCB) 3 is entrenched in a side of framework 5.
The corresponding multiple LED chips 11 of the plurality of polarisation collimator assembly 2, each LED chip 11 is controlled light by a polarisation collimator assembly 2.The spreadlight lens 21 of this polarisation collimator assembly 2 and reflector 23 are arranged on LED chip 11 places of this printed circuit board (PCB) 3, the spherical lens 25 display composition spherical lens groups 250 of this polarisation collimator assembly 2, spherical lens group 250 is arranged on the other end of the framework 5 that printed circuit board (PCB) 3 is relative.
Although the present invention discloses as above with preferred embodiment, so not in order to limit scope of the invention process, the simple equivalence of doing according to claims of the present invention and description changes and modifies, and still belongs in the scope of technical solution of the present invention.
Claims (8)
1. a polarisation collimator assembly, for LED chip light source control light, is characterized in that comprising: the spreadlight lens, reflector and the spherical lens that on axis, set gradually, and wherein, this spreadlight lens is for converging in reflector one side by the light of LED chip transmitting; This reflector is by the light of this spreadlight lens outgoing, to this spherical lens reflection; The light of this reflector reflection is converged rear outgoing by this spherical lens.
2. polarisation collimator assembly as claimed in claim 1, it is characterized in that wherein said spreadlight lens end face in a cross section in orthogonal two cross sections is the thick shape in intermediate thin both sides, in another cross section, end face is by the side direction opposite side shape of thickening gradually.
3. polarisation collimator assembly as claimed in claim 1, is characterized in that wherein said reflector is half cover body shape, and internal face is reflecting surface.
4. a LED light fixture, is characterized in that comprising multiple polarisation collimator assemblies and framework, this polarisation collimator assembly polarisation collimator assembly as claimed any one in claims 1 to 3, and described multiple polarisation collimator assembly displays are arranged on this framework.
5. LED light fixture as claimed in claim 4, is characterized in that it also comprises printed circuit board (PCB) and multiple fin; One side of this printed circuit board (PCB) is installed multiple LED chips, and the plurality of fin fits tightly the opposite side at this printed circuit board (PCB) by heat-conducting cream.
6. LED light fixture as claimed in claim 5, is characterized in that wherein said printed circuit board (PCB) is entrenched in a side of framework.
7. LED light fixture as claimed in claim 5, is characterized in that each wherein said LED chip is by this polarisation collimator assembly control light.
8. LED light fixture as claimed in claim 5, it is characterized in that the spreadlight lens of this wherein said polarisation collimator assembly and reflector are arranged on LED chip 11 places of this printed circuit board (PCB), the spherical lens display composition spherical lens group of this polarisation collimator assembly, spherical lens group is arranged on the other end of the framework that printed circuit board (PCB) is relative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045859.4A CN103775978A (en) | 2014-02-08 | 2014-02-08 | Polarized light collimation assembly and LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045859.4A CN103775978A (en) | 2014-02-08 | 2014-02-08 | Polarized light collimation assembly and LED lamp |
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| CN103775978A true CN103775978A (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410045859.4A Pending CN103775978A (en) | 2014-02-08 | 2014-02-08 | Polarized light collimation assembly and LED lamp |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813166A (en) * | 2017-04-06 | 2017-06-09 | 浙江晶日照明科技有限公司 | A kind of polarizing appliance and application method for realizing various hot spots |
| CN108458283A (en) * | 2018-03-26 | 2018-08-28 | 欧普照明股份有限公司 | Illuminator matches optical assembly, light source module group and illuminator |
| CN108895350A (en) * | 2018-08-09 | 2018-11-27 | 深圳市福尔乐照明有限公司 | A kind of ultra-thin LED lamps and lanterns |
| CN111023043A (en) * | 2019-12-31 | 2020-04-17 | 广东省半导体产业技术研究院 | Uniform light emitting device and LED (light emitting diode) uniform light lamp |
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| CN1766409A (en) * | 2004-10-29 | 2006-05-03 | 应用创新技术公司 | LED light collection and uniform transmission system |
| CN1776478A (en) * | 2004-11-17 | 2006-05-24 | 三星电子株式会社 | Illuminating unit with reflective collimator and image projection system including the same |
| US20070258259A1 (en) * | 2003-02-06 | 2007-11-08 | Koito Manufacturing Co., Ltd. | Vehicular headlamp and light emission module |
| CN203384667U (en) * | 2013-05-17 | 2014-01-08 | 深圳中科源创科技有限公司 | LED (light emitting diode) lamp realizing integral lower beam and high beam |
| CN103511982A (en) * | 2013-10-25 | 2014-01-15 | 浙江晶日照明科技有限公司 | LED collimating optical component |
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2014
- 2014-02-08 CN CN201410045859.4A patent/CN103775978A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070258259A1 (en) * | 2003-02-06 | 2007-11-08 | Koito Manufacturing Co., Ltd. | Vehicular headlamp and light emission module |
| CN1766409A (en) * | 2004-10-29 | 2006-05-03 | 应用创新技术公司 | LED light collection and uniform transmission system |
| CN1776478A (en) * | 2004-11-17 | 2006-05-24 | 三星电子株式会社 | Illuminating unit with reflective collimator and image projection system including the same |
| CN203384667U (en) * | 2013-05-17 | 2014-01-08 | 深圳中科源创科技有限公司 | LED (light emitting diode) lamp realizing integral lower beam and high beam |
| CN103511982A (en) * | 2013-10-25 | 2014-01-15 | 浙江晶日照明科技有限公司 | LED collimating optical component |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813166A (en) * | 2017-04-06 | 2017-06-09 | 浙江晶日照明科技有限公司 | A kind of polarizing appliance and application method for realizing various hot spots |
| CN108458283A (en) * | 2018-03-26 | 2018-08-28 | 欧普照明股份有限公司 | Illuminator matches optical assembly, light source module group and illuminator |
| CN108458283B (en) * | 2018-03-26 | 2024-03-01 | 欧普照明股份有限公司 | Light distribution assembly of illumination lamp, light source module and illumination lamp |
| CN108895350A (en) * | 2018-08-09 | 2018-11-27 | 深圳市福尔乐照明有限公司 | A kind of ultra-thin LED lamps and lanterns |
| CN111023043A (en) * | 2019-12-31 | 2020-04-17 | 广东省半导体产业技术研究院 | Uniform light emitting device and LED (light emitting diode) uniform light lamp |
| CN111023043B (en) * | 2019-12-31 | 2024-03-19 | 广东省半导体产业技术研究院 | Uniform light emitting device and LED (light emitting diode) uniform light lamp |
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Application publication date: 20140507 |