LED street lamp

A technology for LED street lamps and LED lamp beads, which is applied to circuit layout, cooling/heating devices of lighting devices, outdoor lighting, etc., can solve the problems that the light spot cannot reach the standard of the light spot, the weight standard is difficult to meet, and the weight of the heat sink is large. Achieve the effect of light weight, low production cost and large heat dissipation area

Inactive Publication Date: 2009-10-21
裘国江
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Traditional heat sinks are generally made of aluminum die-casting, and the mold making alone is not a small investment, and the weight of aluminum die-casting heat sinks is very large, and it is difficult to meet the relevant weight standards
[0006] Traditi

Method used

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  • LED street lamp
  • LED street lamp
  • LED street lamp

Examples

Experimental program
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Embodiment Construction

[0021] The present invention will be further described below with specific embodiment, see Figure 2-3 :

[0022] An LED street lamp, which includes a housing 10, LED lamp beads 40 and heat sinks 20, each LED street lamp unit 30 includes a PCB board 41 and LED lamp beads connected to it, and a driving power supply, on the lower side of the LED street lamp unit 30 It is sealed with a transparent plastic cover 31, wherein the PCB board 41 is connected to the substrate 50, and the substrate 50 is attached to the heat sink 20. A plurality of LED street lamp units 30 and the housing 10 are combined to form an LED street lamp. During the actual use of the street lamp , taking into account the specific road conditions, there are different light distribution angle requirements and light intensity requirements, for example: figure 2 The LED street lamp unit 30 on the right side of the center can rotate a certain angle around the rotating shaft 61. The rotating shaft 61 is connected t...

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PUM

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Abstract

The invention belongs to the technical field of street lamps, and relates to an LED street lamp; an LED street lamp unit is internally provided with an independent drive and has a tubular power supply; street lamps with different power are assembled according to the combined need of the design of whole lamp so as to meet design requirements. According to the illuminating brightness and light spot needs, units with corresponding quantity and length can be selected and combine brackets which can lead each unit to rotate freely and can be fixed tightly at proper angle, so as to combine the whole street lamps with various specifications. The invention has the advantages that the LED street lamp units adopt structure with independent power supply, independent radiating fins and independent sealing, so that the light distribution angle can be adjusted, the power can combine freely, the radiating area is large, the service life is long; and the arrangement of a special air hole can balance the pressure difference in the lamp tube, thus preventing the lamp tube from broken due to expansion on heating and contraction on cooling.

Description

Technical field: [0001] The invention relates to the technical field of street lamps, in particular to an LED street lamp. Background technique: [0002] Due to the fact that LEDs generate less heat during work, have higher luminous efficiency, and have the characteristics of high efficiency, low consumption, energy saving, environmental protection, and long life, they are more and more valued by countries all over the world. At present, the electricity used for street lighting in my country is close to 250 billion kWh every year. If 1 / 3 of them can be illuminated by LED street lighting, about 80 billion kWh of electricity can be saved every year, which is basically equivalent to the annual power generation of the Three Gorges Power Station. [0003] see figure 1 The structure of the common LED street lamp unit is: the front of the substrate 4 is provided with an LED lamp 6, the back is provided with a heat sink 3, the front is covered with a transparent cover 2, and the re...

Claims

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Application Information

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IPC IPC(8): F21S8/00F21V19/02F21V23/00F21V29/00F21V31/03F21W131/103F21Y101/02F21V29/74F21Y115/10
CPCY02B20/72
Inventor 裘国江
Owner 裘国江
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