CN202017920U - Light emitting diode (LED) spotlight with wide illumination range and lamp - Google Patents
Light emitting diode (LED) spotlight with wide illumination range and lamp Download PDFInfo
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- CN202017920U CN202017920U CN2011200379607U CN201120037960U CN202017920U CN 202017920 U CN202017920 U CN 202017920U CN 2011200379607 U CN2011200379607 U CN 2011200379607U CN 201120037960 U CN201120037960 U CN 201120037960U CN 202017920 U CN202017920 U CN 202017920U
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Abstract
The utility model relates to a light emitting diode (LED) spotlight with wide illumination range, which comprises a heat conducting substrate, an LED light source and a reflecting cup, wherein the LED light source and the reflecting cup are installed on the heat conducting substrate, the LED light source is arranged in the reflecting cup, a functional converging lens is arranged in front of the LED light source in the reflecting cup, the functional converging lens consists of a first refractor and second refractors, wherein the first refractor diffuses and refracts partial middle divergent light of the LED light source towards two sides in a first dimensional direction and also converges and refracts the divergent light of the LED light source towards the center in the second dimensional direction, the second refractors diffuse and refract rest divergent light of the LED light source towards two sides in the first dimensional direction and also converge and refract the rest divergent light of the LED light source towards the center in the second dimensional direction, wherein the quantity of the second refractors is two, and the two second refractors are symmetrically distributed at two sides of an optical axis of the first refractor. Due to the adoption of the LED spotlight, the light which is emitted by the LED light source in a three-dimensional angle at the main face part of the LED light source is converged to a light zone with a given width, so the light efficiency and the real use effect of the lamp can be improved.
Description
Technical field
The utility model relates to the LED lighting technical field, be particularly related to a kind of at the positive characteristics of luminescence of LED, make the stronger light of central authorities reflex to side, increase the broad amplitude of irradiation area light, and make the LED illuminating lamp and the light fixture of the uniform wide cut illumination of area of illumination illumination through light distribution element.
Background technology
Have and see the more and more lighting source of widespread in various occasions of LED light fixture, utilize the lampshade inner surface reflection ray traditionally, improve light utilization, and then improve brightness such as M347680 number novel patent of TaiWan, China patent, because the light shape of led light source is oval, presents central ray and concentrate intensity strong, the situation that side light is fainter, can't reach the requirement of partial illumination, especially road lighting causes the width of irradiation area not enough.In addition, the direct projection mode of some arrangement of certain applications, also permission reaches illumination requirement, but causes serious glare, and is dazzling, can't reach the requirement of standard, and its complex structure, the cost height.
Publication number is the disclosed LED wide prospection illuminating lamp of CN101886747, and it adopts and disposes the LED light emitting source that 16 LED large-power light-emitting diodes constitute and glass optically focused lamppost is set before the LED light emitting source and the problem that a cylindrical focusing spectrum solves the illumination of LED wide cut has been installed on stainless steel casing.But its structure more complicated.
The disclosed a kind of wide width of cloth reflector structure of Granted publication CN201425259, it is provided with a reflecting element in reflector, reflecting element has curved surface, this reflecting element is at the positive characteristics of luminescence, strong excessively light to side, increases the broad amplitude of irradiation area light through the camber reflection of reflecting element in the middle of making.
Though above-mentioned patent can solve the problem of wide cut illumination, it only relies on original direct light is reflexed to side, and it is not focused on to the centre.The upper substantially elliptical shape of the hot spot that they shine out can't form a Wide-strip shape.
The utility model content
Technical problem to be solved in the utility model be the led light source at prior art can't form the Wide-strip shape hot spot technical problem and a kind of LED illuminating lamp and light fixture of wide cut illumination are provided.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
A kind of LED illuminating lamp of wide cut illumination, comprise heat conducting base, led light source and reflector, led light source and reflector are installed on the heat conducting base, led light source is positioned at reflector, in described reflector, the place ahead of led light source is provided with a functional convergent lens, it is characterized in that, described this functional convergent lens is by first refractor that the light of dispersing in the middle of the described led light source part can be reflected away to centre convergence on the second dimension direction at the light of dispersing in the middle of side diffusion in both sides reflects also simultaneously with this part of led light source on the first dimension direction, with being tieed up on the direction first, described led light source another part divergent rays also simultaneously led light source another part divergent rays is being formed to second refractor that centre convergence reflects away on the second dimension direction to both sides side diffusion refraction, wherein second refractor is two, is distributed in the both sides of the first refractor optical axis up and down symmetrically.
Described functional convergent lens is the round sheet structure, and the plane of refraction of described first refractor and two second refractors is positioned on the exit facet of light, and the plane of light incidence of described functional convergent lens is the plane.
Described functional convergent lens is the sinkage type structure setting or otherwise is fixed on the focal position suitable in the reflector.
Described functional convergent lens maximum gauge is advisable the optically focused light generation of reflector outgoing is not disturbed.
Described first refractor is the plano-convex cylindrical lens; Described second refractor is a Fresnel lens.
The described first dimension direction is a horizontal direction, and the second dimension direction is a vertical direction.
A kind of LED lighting of wide cut illumination, comprise heat conducting base, some employing array way are installed in led light source and the reflector on the described heat conducting base, each led light source disposes a reflector, a lens board is installed on the rim of a cup of some reflectors, on described lens board, adopt array way to be furnished with a plurality of functional convergent lenses, the corresponding reflector of each functional convergent lens, it is characterized in that, each functional convergent lens is by first refractor that the light of dispersing in the middle of the described led light source part can be reflected away to centre convergence on the second dimension direction at the light of dispersing in the middle of side diffusion in both sides reflects also simultaneously with this part of led light source on the first dimension direction, with being tieed up on the direction first, described led light source another part divergent rays also simultaneously led light source another part divergent rays is being formed to second refractor that centre convergence reflects away on the second dimension direction to both sides side diffusion refraction, wherein second refractor is two, is distributed in the both sides of the first refractor optical axis up and down symmetrically.
Described each functional convergent lens is the round sheet structure, and the plane of refraction of described first refractor and two second refractors is positioned on the exit facet of light, and the plane of light incidence of described functional convergent lens is the plane.
Described each functional convergent lens is the sinkage type structure setting or otherwise is fixed on the focal position suitable in the reflector.
Described each functional convergent lens maximum gauge is advisable the optically focused light generation of reflector outgoing is not disturbed.
Described first refractor is the plano-convex cylindrical lens; Described second refractor is a Fresnel lens.
The described first dimension direction is a horizontal direction, and the second dimension direction is a vertical direction.
Owing to adopted technique scheme, the utility model can reflect away the hot spot that like this shone out to centre convergence at the light of dispersing on first dimension (level) direction with the light of dispersing in the middle of the led light source part on second dimension (vertically) direction in the middle of side diffusion in both sides reflects also simultaneously with this part of described led light source be an illumination uniform stripe shape, it fully pools a ribbon with the light that led light source emitted, and has improved light efficiency.
Description of drawings
Fig. 1 is the front view of the utility model embodiment 1.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 1.
Fig. 4 is the front view of the utility model embodiment 2.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the B-B cutaway view of Fig. 4.
Fig. 7 is the front view of 2 one application examples of the utility model embodiment.
Fig. 8 is the A-A cutaway view of Fig. 7.
Fig. 9 is the B-B cutaway view of Fig. 7.
Figure 10 is the front view of the utility model embodiment 2 Another application examples.
Figure 11 is the A-A cutaway view of Figure 10.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Embodiment 1
Referring to Fig. 1 to Fig. 3, the LED illuminating lamp of a kind of wide cut illumination shown in the figure, comprise heat conducting base 100, led light source 200 and reflector 300, led light source 200 and reflector 300 are installed on the heat conducting base 100, by heat conducting base 100 heat that led light source 200 is produced is promptly distributed, to improve the luminous efficiency of led light source 200.The led light source 200 of present embodiment adopts the high-power LED light source of 1W.
In reflector 300, the place ahead of led light source 200 is provided with a functional convergent lens 400, this functional convergent lens 400 can be supported on heat conducting base 300 or the reflector 100 by the support (not shown).Functional convergent lens 400 by one with the light dispersed in the middle of led light source 200 part in the horizontal direction to both sides side diffusion refraction and first refractor 410 that reflect away to centre convergence in vertical direction of the light of dispersing in the middle of simultaneously with this partial L ED light source 200 and second refractor 420 that the light that led light source 200 another part are dispersed is gone to the central folding ejaculation in vertical direction.Second refractor 420 is two, is symmetrically distributed in the upper and lower both sides of first refractor, 410 optical axises.
Functional convergent lens 400 is the round sheet structure, and the plane of refraction 411,421 of first refractor 410 and two second refractors 420 is positioned on the exit facet of light, and the plane of light incidence 430 of functional convergent lens 400 is the plane.Functional convergent lens 400 maximum gauges are advisable the optically focused light generation of reflector 300 outgoing is not disturbed.First refractor 410 is the plano-convex cylindrical lens; Second refractor 420 is a Fresnel lens.
Embodiment 2
Referring to Fig. 4 to Fig. 6, the LED lighting of a kind of wide cut illumination shown in the figure, comprise heat conducting base 100a, adopt array way that 12 led light sources 200 and 12 reflectors 300 are installed at heat conducting base 100a, each led light source 200 configurations one reflector 300, the structure of led light source 200 and reflector 300 is identical with embodiment 1.A lens board D is installed on the rim of a cup of 12 reflectors 300, on lens board D, adopts array thread short side formula to be furnished with 400,12 functional convergent lenses 400 of 12 functional convergent lenses and be sinkage type structure.Each functional convergent lens 400 a corresponding reflector 300 and led light source 200.Each functional convergent lens 400 by one with the light dispersed in the middle of led light source 200 part in the horizontal direction to both sides side diffusion refraction and first refractor 410 that reflect away to centre convergence in vertical direction of the light of dispersing in the middle of simultaneously with this partial L ED light source 200 and second refractor 420 that led light source 200 another part divergent rays are gone to the central folding ejaculation in vertical direction.Second refractor 420 is two, is symmetrically distributed in the upper and lower both sides of first refractor, 410 optical axises.
Embodiment 3
Referring to Fig. 7 to Fig. 9, illuminating lamp shown in the figure comprises a heat radiation bonnet 510, an outer cover 520 and a diverging lens 530, heat conducting base 100a in the LED lighting of the wide cut illumination of embodiment 2 is installed on the inner surface of heat radiation bonnet 510, heat radiation bonnet 510 outer surfaces are provided with many radiating fins 511, to improve area of dissipation, the heat of heat conducting base 100a can be by heat radiation bonnet fast Absorption like this, and via the heat radiation bonnet 510 on bigger surface area spread out, to reduce the temperature of led light source 200 significantly.Diverging lens 530 covers on the LED lighting of wide cut illumination of embodiment 2, and is installed on the heat radiation bonnet 510 by outer cover 520, and diverging lens 530 is provided with sealing ring 540 between the bonnet 510 with dispelling the heat, and seals.
All the other are with embodiment 2.
Embodiment 4
Referring to Figure 10 to Figure 11, the illuminating lamp shown in the figure is on the basis of the illuminating lamp shown in the embodiment 3, by bearing pin 610 and nut 620 support 630 is installed on heat radiation bonnet 510, and entire heat dissipation bonnet 510 can rotate around bearing pin 610 relative to support 630.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (13)
1. the LED illuminating lamp of wide cut illumination, comprise heat conducting base, led light source and reflector, led light source and reflector are installed on the heat conducting base, led light source is positioned at reflector, in described reflector, the place ahead of led light source is provided with a functional convergent lens, it is characterized in that, described this functional convergent lens is by first refractor that the light of dispersing in the middle of the described led light source part can be reflected away to centre convergence on the second dimension direction at the light of dispersing in the middle of side diffusion in both sides reflects also simultaneously with this part of led light source on the first dimension direction, with being tieed up on the direction first, described led light source another part divergent rays also simultaneously led light source another part divergent rays is being formed to second refractor that centre convergence reflects away on the second dimension direction to both sides side diffusion refraction, wherein second refractor is two, is distributed in the both sides of the first refractor optical axis up and down symmetrically.
2. the LED illuminating lamp of a kind of wide cut illumination as claimed in claim 1, it is characterized in that, described functional convergent lens is the round sheet structure, the plane of refraction of described first refractor and two second refractors is positioned on the exit facet of light, and the plane of light incidence of described functional convergent lens is the plane.
3. the LED illuminating lamp of a kind of wide cut illumination as claimed in claim 1 is characterized in that described functional convergent lens is the sinkage type structure setting.
4. the LED illuminating lamp of a kind of wide cut illumination as claimed in claim 1 is characterized in that described functional convergent lens is fixed on the focal position suitable in the reflector.
5. the LED illuminating lamp of a kind of wide cut illumination as claimed in claim 1 is characterized in that, described functional convergent lens maximum gauge is advisable the optically focused light generation of reflector outgoing is not disturbed.
6. as the LED illuminating lamp of the described a kind of wide cut illumination of each claim of claim 1 to 5, it is characterized in that described first refractor is the plano-convex cylindrical lens; Described second refractor is a Fresnel lens.
7. as the LED illuminating lamp of the described a kind of wide cut illumination of each claim of claim 1 to 5, it is characterized in that the described first dimension direction is a horizontal direction, the second dimension direction is a vertical direction.
8. the LED lighting of wide cut illumination, comprise heat conducting base, some employing array way are installed in led light source and the reflector on the described heat conducting base, each led light source disposes a reflector, a lens board is installed on the rim of a cup of some reflectors, on described lens board, adopt array way to be furnished with a plurality of functional convergent lenses, the corresponding reflector of each functional convergent lens, it is characterized in that, each functional convergent lens is by first refractor that the light of dispersing in the middle of the described led light source part can be reflected away to centre convergence on the second dimension direction at the light of dispersing in the middle of side diffusion in both sides reflects also simultaneously with this part of led light source on the first dimension direction, with being tieed up on the direction first, described led light source another part divergent rays also simultaneously led light source another part divergent rays is being formed to second refractor that centre convergence reflects away on the second dimension direction to both sides side diffusion refraction, wherein second refractor is two, is distributed in the both sides of the first refractor optical axis up and down symmetrically.
9. the LED lighting of a kind of wide cut illumination as claimed in claim 8, it is characterized in that, described each functional convergent lens is the round sheet structure, the plane of refraction of described first refractor and two second refractors is positioned on the exit facet of light, and the plane of light incidence of described functional convergent lens is the plane.
10. the LED lighting of a kind of wide cut illumination as claimed in claim 8 is characterized in that, described each functional convergent lens is the sinkage type structure setting or otherwise is fixed on the focal position suitable in the reflector.
11. the LED lighting of a kind of wide cut illumination as claimed in claim 8 is characterized in that, described each functional convergent lens maximum gauge is advisable the optically focused light generation of reflector outgoing is not disturbed.
12. the LED lighting as the described a kind of wide cut illumination of each claim of claim 8 to 11 is characterized in that described first refractor is the plano-convex cylindrical lens; Described second refractor is a Fresnel lens.
13. the LED lighting as the described a kind of wide cut illumination of each claim of claim 8 to 11 is characterized in that, the described first dimension direction is a horizontal direction, and the second dimension direction is a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200379607U CN202017920U (en) | 2011-02-14 | 2011-02-14 | Light emitting diode (LED) spotlight with wide illumination range and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200379607U CN202017920U (en) | 2011-02-14 | 2011-02-14 | Light emitting diode (LED) spotlight with wide illumination range and lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202017920U true CN202017920U (en) | 2011-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200379607U Expired - Fee Related CN202017920U (en) | 2011-02-14 | 2011-02-14 | Light emitting diode (LED) spotlight with wide illumination range and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202017920U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016041430A1 (en) * | 2014-09-17 | 2016-03-24 | 欧普照明股份有限公司 | Led spot lamp |
| EP2878878A4 (en) * | 2012-07-27 | 2016-04-06 | Wenhu Zhang | Led signal lamp |
| CN114647114A (en) * | 2022-03-22 | 2022-06-21 | Tcl华星光电技术有限公司 | Backlight module and display device |
| CN116794920A (en) * | 2023-08-29 | 2023-09-22 | 上海理湃光晶技术有限公司 | Backlight optical system based on light transmission unit array and projection display system |
-
2011
- 2011-02-14 CN CN2011200379607U patent/CN202017920U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2878878A4 (en) * | 2012-07-27 | 2016-04-06 | Wenhu Zhang | Led signal lamp |
| WO2016041430A1 (en) * | 2014-09-17 | 2016-03-24 | 欧普照明股份有限公司 | Led spot lamp |
| CN114647114A (en) * | 2022-03-22 | 2022-06-21 | Tcl华星光电技术有限公司 | Backlight module and display device |
| CN114647114B (en) * | 2022-03-22 | 2023-10-17 | Tcl华星光电技术有限公司 | Backlight module and display device |
| CN116794920A (en) * | 2023-08-29 | 2023-09-22 | 上海理湃光晶技术有限公司 | Backlight optical system based on light transmission unit array and projection display system |
| CN116794920B (en) * | 2023-08-29 | 2023-11-17 | 上海理湃光晶技术有限公司 | Backlight optical system based on light transmission unit array and projection display system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20140214 |