CN204829383U - Be applied to anti -dazzle LED lamp of sports illumination - Google Patents
Be applied to anti -dazzle LED lamp of sports illumination Download PDFInfo
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- CN204829383U CN204829383U CN201520542030.5U CN201520542030U CN204829383U CN 204829383 U CN204829383 U CN 204829383U CN 201520542030 U CN201520542030 U CN 201520542030U CN 204829383 U CN204829383 U CN 204829383U
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Abstract
The utility model relates to a be applied to anti -dazzle LED lamp of sports illumination, through install the leaded light post that the luminousness is high additional on the LED light source, and design the top surface of leaded light post for the circular conical surface of indent, offer a plurality of play unthreaded holes that are netted distribution on the cylinder of leaded light post, the light that makes the LED light source send is all jetted out by the play unthreaded hole on the cylinder of leaded light post, avoid the direct light and increase the light -emitting area, reduce the luminance difference of light source and reflector internal surface or surrounding enviroment, thereby low as far as possible reduction light loss when reaching apparent anti -dazzle effect, improve the efficiency of light energy utilization.
Description
Technical field
The utility model relates to lighting technical field, is a kind of anti-dazzle LED being applied to Sports lighting specifically.
Background technology
Be applied to the LED high-power light-projecting lamp of Sports lighting at present, the light distributing system that general employing is single, namely add lens by a reflection shield, lens or a reflection shield and form.The light source surface brightness of this LED is very high, with reflection shield inner surface or surrounding enviroment luminance difference very large, very easily form dazzle, staff and the spectators of the sportsman on sports ground, place periphery can receive the direct light of light source at certain special angle, reduce visual ability, severe patient even can affect normally carrying out of match.
In order to prevent dazzle radiation, existing general way is before the light source of LED, arrange anti-dazzle light transmission screen (lampshade), and if the patent No. is CN103398302A, patent name is the patent of invention of " glare prevention LED illuminating lamp ".The existence of anti-dazzle light transmission screen, solves glare problem to a certain extent, but is cost with sacrificing luminance, and light loss is large, and the efficiency of light energy utilization is low.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of anti-dazzle and the few anti-dazzle LED being applied to Sports lighting of light loss.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of anti-dazzle LED being applied to Sports lighting, comprise LED light source and reflection shield, described LED light source is arranged on the bottom surface of reflection shield, also comprise light-guiding pillar, described light-guiding pillar is placed in reflection shield, the bottom surface of light-guiding pillar is towards LED light source and be provided with depressed part, the exiting surface of described LED light source is placed in described depressed part, the cylinder of light-guiding pillar is perpendicular to the bottom surface of reflection shield, the cylinder of light-guiding pillar offers multiple light hole in net distribution, the end face of light-guiding pillar is the taper seat of indent, and the applied on top surface of light-guiding pillar has reflection coating.
The beneficial effects of the utility model are: be different from prior art, the utility model installs light-guiding pillar additional on LED light source, and the end face of light-guiding pillar be designed to the taper seat of indent and apply reflection coating, the cylinder of light-guiding pillar is offered multiple light hole in net distribution, thus alap minimizing light loss while reaching significant anti-dazzle effect, improve the efficiency of light energy utilization.
Accompanying drawing explanation
Figure 1 shows that the structural representation being applied to the anti-dazzle LED of Sports lighting of the utility model embodiment.
Figure 2 shows that the partial enlarged drawing A of Fig. 1.
Figure 3 shows that the fundamental diagram being applied to the anti-dazzle LED of Sports lighting of the utility model embodiment.
Label declaration:
1-LED light source; 2-reflection shield; 3-light-guiding pillar; 10-exiting surface; 30-bottom surface; 31-depressed part; 32-cylinder; 33-light hole; 34-end face;
1 ', 2 ', 3 '-light.
Detailed description of the invention
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with embodiment.
The design of the utility model most critical is: on LED light source, install the light-guiding pillar that light transmittance is high additional, and the end face of light-guiding pillar is designed to the taper seat of indent, the cylinder of light-guiding pillar is offered multiple light hole in net distribution, the light that LED light source is sent all is penetrated by the light hole on the cylinder of light-guiding pillar, avoid direct light and strengthen lighting area, reduce the luminance difference of light source and reflection shield inner surface or surrounding enviroment, thus alap minimizing light loss while reaching significant anti-dazzle effect, improve the efficiency of light energy utilization.
Concrete, please refer to shown in Fig. 1 and Fig. 2, the anti-dazzle LED being applied to Sports lighting of the utility model embodiment, comprise LED light source 1 and reflection shield 2, described LED light source 1 is arranged on the bottom surface of reflection shield 2, also comprise light-guiding pillar 3, described light-guiding pillar 3 is placed in reflection shield 2, the bottom surface 30 of light-guiding pillar 3 is towards LED light source 1 and be provided with depressed part 31, the exiting surface 10 of described LED light source 1 is placed in described depressed part 31, the cylinder 32 of light-guiding pillar 3 is perpendicular to the bottom surface of reflection shield 2, the cylinder 32 of light-guiding pillar 3 offers multiple light hole 33 in net distribution, the taper seat of end face 34 in indent of light-guiding pillar 3, the end face 34 of light-guiding pillar 3 is coated with reflection coating.
Shown in Fig. 3, operation principle of the present utility model is as follows:
Because the exiting surface 10 of LED light source 1 is placed in the depressed part 31 of light-guiding pillar 3 bottom surface, therefore the surface of depressed part 31 is as incidence surface, and the light that LED light source 1 sends all is entered in light-guiding pillar 3 by the surface of depressed part 31.After light enters light-guiding pillar 3, direct projection is directly penetrated to the light 1 ' of the light hole 33 on the cylinder 32 of light-guiding pillar 3 by light hole 33, direct projection is not provided with the position of light hole 33 light 2 ' to the cylinder 32 of light-guiding pillar 3 is finally penetrated by light hole 33 after the multiple reflections of cylinder 32 or end face 34, and direct projection to reflex to after cylinder 32 through end face 34 to the light 3 ' on the end face 34 of light-guiding pillar 3 and finally penetrated by light hole 33.Because the end face 34 of light-guiding pillar 3 is the taper seat of indent and is coated with reflection coating, therefore light directly cannot penetrate light-guiding pillar 3 by the end face 34 of light-guiding pillar 3, the multiple light holes 33 in net distribution can only offered from the cylinder 32 of light-guiding pillar 3 penetrate, could human eye be arrived after reflection shield 2 diffuse reflection, thus avoid the glare effect that direct light causes; The end face 34 of light-guiding pillar 3 is designed to the taper seat of indent, can by direct projection to the light 3 ' on the end face 34 of light-guiding pillar 3 or the cylinder 32 reflexing to the light 2 ' whole guiding light-guiding pillar 3 on the end face 34 of light-guiding pillar 3, thus guarantee that the light that LED light source 1 sends all is penetrated by light hole 33, avoid light retroeflection go out incidence surface and reduce light extraction efficiency; In addition, after having installed light-guiding pillar 3 additional, as exiting surface, (in fact exiting surface is made up of multiple light hole 33 cylinder 32 of light-guiding pillar 3, there is no the position not bright dipping of light hole 33), compare the exiting surface 10 of original LED light source 1, lighting area increases greatly, Luminance Distribution is evenly soft, the luminance contrast of light source and reflection shield 2 inner surface or surrounding enviroment significantly reduces, thus effectively overcome the poor glare effect formed of high brightness, the therefore anti-dazzle Be very effective of the utility model LED.And the high light transmission features of light-guiding pillar 3 (material of light-guiding pillar 3 is generally the acryl of optical grade (PMMA), PC or acrylic/PC, the light transmittance of the PMMA of optical grade is more than 93%), also make the overall brightness of LED light source 1 substantially unaffected, therefore the utility model LED can alap minimizing light loss while reaching significant anti-dazzle effect, improves the efficiency of light energy utilization.
From foregoing description, the beneficial effects of the utility model are: be different from prior art, the utility model installs light-guiding pillar additional on LED light source, and the end face of light-guiding pillar be designed to the taper seat of indent and apply reflection coating, the cylinder of light-guiding pillar is offered multiple light hole in net distribution, thus alap minimizing light loss while reaching significant anti-dazzle effect, improve the efficiency of light energy utilization.
Further, the shape of described depressed part 31 is identical with the shape of the exiting surface 10 of LED light source 1.As shown in Figure 1, when the exiting surface 10 of LED light source 1 is in hemispherical, the shape (i.e. the shape of incidence surface) of depressed part is also in hemispherical.Because the shape of incidence surface is identical with the shape of the exiting surface 10 of LED light source 1, therefore the light that LED light source 1 sends can enter in light-guiding pillar 3 can not occur on incidence surface refraction or reflection by incidence surface direct projection, thus be conducive to reducing light loss, and the emitting brightness problem of non-uniform avoiding light refraction to cause, improve the efficiency of light energy utilization and lamp lighting quality.
From foregoing description, the beneficial effects of the utility model are: by being identical with the shape of the exiting surface of LED light source by the profile design of depressed part, be conducive to reducing light loss, the emitting brightness problem of non-uniform avoiding light refraction to cause, improve the efficiency of light energy utilization and lamp lighting quality.
Further, the height of described light-guiding pillar 3 to intersect to the extended line in reflection shield 2 open top direction and the sidewall of reflection shield 2 with the line of the point in the top edge of light-guiding pillar 3 and LED light source 1 central point and is as the criterion.
From foregoing description, the beneficial effects of the utility model are: by above-mentioned design, can guarantee that the light that LED light source sends all is transmitted on reflection shield after light-guiding pillar leaded light, bright dipping again after the diffuse reflection of reflection shield, thus minimizing light loss, improve light extraction efficiency.
Please refer to shown in Fig. 1 to Fig. 3, embodiment one of the present utility model is:
A kind of anti-dazzle LED being applied to Sports lighting, comprise LED light source 1 and reflection shield 2, described LED light source 1 is arranged on the bottom surface of reflection shield 2, also comprise light-guiding pillar 3, described light-guiding pillar 3 is placed in reflection shield 2, the bottom surface 30 of light-guiding pillar 3 is towards LED light source 1 and be provided with depressed part 31, the exiting surface 10 of described LED light source 1 is placed in described depressed part 31, the cylinder 32 of light-guiding pillar 3 is perpendicular to the bottom surface of reflection shield 2, the cylinder 32 of light-guiding pillar 3 offers multiple light hole 33 in net distribution, the taper seat of end face 34 in indent of light-guiding pillar 3, the end face 34 of light-guiding pillar 3 is coated with reflection coating.The shape of described depressed part 31 is identical with the shape of the exiting surface 10 of LED light source 1, and the height of described light-guiding pillar 3 to intersect to the extended line in reflection shield 2 open top direction and the sidewall of reflection shield 2 with the line of the point in the top edge of light-guiding pillar 3 and LED light source 1 central point and is as the criterion.
In sum, the anti-dazzle LED of what the utility model provided be applied to Sports lighting, can alap minimizing light loss while reaching significant anti-dazzle effect, improves the efficiency of light energy utilization.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model description and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. one kind is applied to the anti-dazzle LED of Sports lighting, comprise LED light source and reflection shield, described LED light source is arranged on the bottom surface of reflection shield, it is characterized in that: also comprise light-guiding pillar, described light-guiding pillar is placed in reflection shield, the bottom surface of light-guiding pillar is towards LED light source and be provided with depressed part, the exiting surface of described LED light source is placed in described depressed part, the cylinder of light-guiding pillar is perpendicular to the bottom surface of reflection shield, the cylinder of light-guiding pillar offers multiple light hole in net distribution, the end face of light-guiding pillar is the taper seat of indent, the applied on top surface of light-guiding pillar has reflection coating.
2. the anti-dazzle LED being applied to Sports lighting according to claim 1, is characterized in that: the shape of described depressed part is identical with the shape of the exiting surface of LED light source.
3. the anti-dazzle LED being applied to Sports lighting according to claim 1, is characterized in that: the height of described light-guiding pillar to intersect to the extended line in reflection shield open top direction and the sidewall of reflection shield with the line of the point in the top edge of light-guiding pillar and LED light source central point and is as the criterion.
4. the anti-dazzle LED being applied to Sports lighting according to claim 1, is characterized in that: the material of described light-guiding pillar is acryl or the PC of optical grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542030.5U CN204829383U (en) | 2015-07-24 | 2015-07-24 | Be applied to anti -dazzle LED lamp of sports illumination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542030.5U CN204829383U (en) | 2015-07-24 | 2015-07-24 | Be applied to anti -dazzle LED lamp of sports illumination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204829383U true CN204829383U (en) | 2015-12-02 |
Family
ID=54686981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520542030.5U Withdrawn - After Issue CN204829383U (en) | 2015-07-24 | 2015-07-24 | Be applied to anti -dazzle LED lamp of sports illumination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204829383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989986A (en) * | 2015-07-24 | 2015-10-21 | 福建鸿博光电科技有限公司 | Anti-dazzle LED lamp applied to sport lighting |
| CN106224904A (en) * | 2016-07-29 | 2016-12-14 | 海宁市智慧光电有限公司 | A kind of LED bar lamp |
-
2015
- 2015-07-24 CN CN201520542030.5U patent/CN204829383U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989986A (en) * | 2015-07-24 | 2015-10-21 | 福建鸿博光电科技有限公司 | Anti-dazzle LED lamp applied to sport lighting |
| CN104989986B (en) * | 2015-07-24 | 2018-01-05 | 福建鸿博光电科技有限公司 | A kind of anti-dazzle LED applied to Sports lighting |
| CN106224904A (en) * | 2016-07-29 | 2016-12-14 | 海宁市智慧光电有限公司 | A kind of LED bar lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20180105 |
|
| AV01 | Patent right actively abandoned |