High light large power LED road lamp
An LED street light, high-power technology, used in outdoor lighting, sustainable buildings, lighting and heating equipment, etc., can solve problems such as blind spots, uneven illumination, and achieve a strong sense of transition, wide coverage, and uniform illumination. Effect
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Embodiment 1
[0025] As shown in Fig. 5 and Fig. 6, the present invention includes a substrate 2 provided with several LEDs 1, the substrate 2 includes a planar portion 6 and two opposite slopes on both sides of the planar portion 6, several of the The LED1 is arranged on the planar portion 6 and each of the slopes, the slopes include two first-level slopes 11,12, two second-level slopes 21,22, and the two first-level slopes 11,12 The included angle between them is α, the included angle between the two second-level slopes 21, 22 is β, α=130°, β=86°, the divergence of the LED1 located on the planar portion 6 The angle is 60°, the divergence angle of the LED1 located on the first-level inclined surfaces 11, 12 is 60°, and the divergence angle of the LED1 located on the second-level inclined surfaces 21, 22 is 45°. In the test, this embodiment is installed at a height of 6 meters from the road surface. Under the condition of an elevation angle of 15°, the average illuminance and illuminance un...
Embodiment 2
[0027] As shown in Fig. 7 and Fig. 8, the difference between the present embodiment and the first embodiment is that the slope also includes two third-level slopes 31, 32, and the sandwich between the two third-level slopes 31, 32 The angle is γ, α=120°, β=84°, γ=60°, the divergence angle of the LED1 located on the planar portion 6 is 60°, and all LEDs located on the first-level inclined surfaces 11, 12 The divergence angle of the LED1 is 60°, the divergence angle of the LED1 on the second-level slope 21, 22 is 45°, and the divergence angle of the LED1 on the third-level slope 31, 32 is 30°. After testing, this embodiment is installed at a height of 7 meters from the road surface. In the case of an elevation angle of 15°, the average illuminance and illuminance uniformity of the irradiation range can meet the national standards, and the irradiation range is wide. After testing, the best ranges of α, β and γ are: 100°≤α≤135°, 80°≤β≤110°, 50°≤γ≤80°.
[0028] The remaining featu...
Embodiment 3
[0030] As shown in Fig. 9, the difference between this embodiment and the second embodiment is that the substrate 2 also includes three lighting distribution planes 10, 20, 30, and the three lighting distribution planes 10, 20, 30 are located on the substrate The ends of 2 are connected sequentially, and the LED1 is also provided on the three lighting distribution planes 10, 20, 30, so that the light intensity distribution in the irradiation range can be made more uniform, and the illuminance uniformity can be greatly improved. , the lighting effect is better.
[0031] The other features of this embodiment are the same as those of Embodiment 2.
[0032] The invention has wide irradiation range, uniform illumination, strong sense of transition, no bright and dark spots on the road surface, low power consumption, high brightness and small size, and is an ideal substitute product for existing street lamps.
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