Efficient heat dissipation LED (light emitting diode) street lamp

Abstract

The invention relates to the technical field of an LED (light emitting diode) street lamp. The cross section of the central shaft part of a lamp body is U-shaped; two ends of the central shaft part of the U-shaped lamp body are symmetrically unfolded outward, thus extended edges are formed; the central shaft part of the U-shaped lamp body and the two extended edges are connected through connecting bodies, thus a lamp main body is formed; two sides of the central shaft part of the U-shaped lamp body form an included angle of about 60 degrees; LED light sources are installed at the outer side walls of two sides of the central shaft of the U-shaped lamp body; reflecting plates are installed on the extended edges of the lamp main body corresponding to the LED light sources; the two sides and extended edges of the central shaft part of the U-shaped lamp body are uniformly provided with heat dissipation teeth which ensure the heat dissipation area to be increased; a power supply assembly is arranged in a power supply cover; and the power supply cover is buckled on the central shaft part of the U-shaped lamp body. A disposable light distribution structure is adopted for the LED street lamp, the light loss is reduced to the minimum, the lamp manufacturing cost is lowered, simultaneously, the illumination of the light has directivity, the light illumination range is expanded, and the uniformity of illuminance is improved.

Description

technical field [0001] The invention relates to the technical field of LED street lamps, in particular to improving the heat dissipation structure of LED street lamps. Background technique [0002] LED lamp is the product of new technology. Compared with the existing fluorescent lamp, it has the advantages of energy saving, high luminous efficiency, no radiation and long life. LED lamp has been widely used in various places, including home indoor and outdoor public lighting . The high-power LED lamp is an important member of the LED lamp, and it has been widely used in indoor and outdoor decoration, traffic indication, outdoor advertising, etc., especially the application of high-power LED lamps as street lamps, which reflects the relative superiority over existing fluorescent lamps. [0003] Most manufacturers of existing LED street lamps use flat-panel lamps and traditional lamps as street lamps, and install the LED light source on the horizontal plane below the lamp. Th...

AI Technical Summary

Problems solved by technology

[0003] Most manufacturers of existing LED street lamps use flat-panel lamps and traditional lamps as street lamps, and install the LED light source on the horizontal plane below the lamp. The lamps with this structure do not conform to the luminous characteristics of the LED light source itself. This lamp itself has no Lighting angle and light distribution design, so that the light emitted by the light source has no irradiation direction, which affects the light irradiation range and illuminance uniformity, and forms a dark band between the illuminated street lamps and street lamps

If secondary light distribution is used, the cost of adding filters to the LED chip will continue to increase, and the light loss of the light source will reach 5% to 8%, so the lamps with this structure not only increase the manufacturing cost but also cause light loss. loss, so this lamp has to be improved

[0004] The biggest problem of existing high-power LED street lamps is that it is difficult to dissipate heat when the temperature rises, there is dim light, and the lamp life is short.

Most manufacturers use forced cooling methods such as radiators and fans, which ultimately cannot solve the fundamental problem

For general high-power LEDs, heat dissipation is extremely important for the luminous performance of the LED lamp chip. If the heat dissipation is not good, it will seriously affect its light output performance

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