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High heat-dissipation LED street lamp

A LED street lamp, high heat dissipation technology, applied in lighting and heating equipment, cooling/heating devices of lighting devices, outdoor lighting, etc., can solve problems such as poor effect, discounted LED service life, increase, etc., to speed up heat transfer , optimize heat dissipation performance, increase the effect of heat dissipation area

Active Publication Date: 2017-05-10
JIANGSU SHENZHOU TRAFFIC EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the heat dissipation of LED street lamps is one of the key problems to be solved. It is not only directly related to the luminous efficiency of LEDs when they are actually working, but also due to the high brightness requirements of LED street lamps, large heat generation, and the harsh outdoor environment, if the heat dissipation is not good It will directly lead to rapid aging of LEDs and reduced stability
[0003] Most domestic LED lamps also consider heat dissipation performance, but the effect is not good in actual use, mainly reflected in the following aspects: (1) A heat sink is used for the LED, but the design o

Method used

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  • High heat-dissipation LED street lamp

Examples

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Effect test

Embodiment 1

[0024] A high heat dissipation LED street lamp, comprising a lamp post and an LED lamp body fixedly installed on the top of the lamp post, the structure of the LED lamp body is as follows figure 1 As shown, it includes: a light-transmitting lampshade 1 made of glass, an LED light source assembly 2, and a heat sink assembly attached to the back of the LED light source assembly 2, wherein the heat sink assembly sequentially includes: a metal base bonded by a thermally conductive adhesive Sheet 3, the first heat sink 4 and the second heat sink 5, after the first heat sink 4 and the second heat sink 5 are bonded, there is a heat transfer space between them, and the heat transfer space is filled with a heat-conducting medium to conduct heat. The medium is ethanol.

[0025] In this embodiment, the first surface of the first heat sink 4 is a plane, and the second surface is formed with a number of wavy grooves; the first surface of the second heat sink 5 is a plane, and the second su...

Embodiment 2

[0027] A high heat dissipation LED street lamp, comprising a lamp post and an LED lamp body fixedly installed on the top of the lamp post, the structure of the LED lamp body is as follows figure 2 As shown, it includes: a light-transmitting lampshade 1 made of glass, an LED light source assembly 2, and a heat sink assembly attached to the back of the LED light source assembly 2, wherein the heat sink assembly sequentially includes: a metal base bonded by a thermally conductive adhesive Sheet 3, the first heat sink 4 and the second heat sink 5, after the first heat sink 4 and the second heat sink 5 are bonded, there is a heat transfer space between them, and the heat transfer space is filled with a heat-conducting medium to conduct heat. The medium is heat conduction oil, which specifically includes the following components by weight: 50 parts of base oil (mineral oil), 8 parts of caustic soda, 3 parts of surfactant, 2 parts of sodium benzoate and 0.5 part of antioxidant.

[0...

Embodiment 3

[0030] The LED street lamp structure of this embodiment is the same as that of Embodiment 2, the main difference is that the heat transfer oil is different, specifically: the heat transfer oil includes the following components by weight: 80 parts of base oil (vegetable oil), 5 parts of caustic soda, surfactant 1 part, 0.5 part of sodium benzoate and 1 part of antioxidant.

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Abstract

The invention discloses a high heat-dissipation LED street lamp. The high heat-dissipation LED street lamp comprises a lamp pillar and an LED lamp body which is fixedly arranged at the top end of the lamp pillar, wherein the LED lamp body comprises a light-transmitting lampshade, an LED light source element and a radiator element, the radiator element comprises, in sequence, a metal substrate, a first heat-dissipation sheet and a second heat-dissipation sheet, the metal substrate, the first heat-dissipation sheet and the second heat-dissipation sheet achieve bonding through a heat-conducting glue, a heat-transferring space is left between the first heat-dissipation sheet and the second heat-dissipation sheet after the heat-dissipation sheet and the second heat-dissipation sheet finish the bonding, and the heat-transferring space is filled with a heat-conducting medium. The high heat-dissipation LED street lamp has the advantages that by arranging the radiator element with a special structure, and filling the heat-conducting medium between the first heat-dissipation sheet and the second heat-dissipation sheet, the heat-dissipation area is increased, the heat-dissipation efficiency is improved, and the heat-dissipation property of the LED lamp is sharply optimized; meanwhile, the radiator element is low in structural cost, and the airtightness of the LED lamp is not influenced; in addition, by coating the first heat-dissipation sheet and the second heat-dissipation sheet with a heat-conducting coating, the heat transfer can be accelerated, so that heat-dissipation performance of the LED street lamp is optimal.

Description

technical field [0001] The invention relates to an LED street lamp, in particular to an LED street lamp with excellent heat dissipation performance. Background technique [0002] Light-emitting diode (Light-Emitting Diode, LED) is a semiconductor component, which has the advantages of energy saving and high brightness, and is widely used as street lamps and other lighting equipment. Due to the road lamps used outdoors, they should have a certain level of dustproof Waterproof function (IP), and good IP protection will inevitably hinder the heat dissipation of LED. Therefore, the heat dissipation of LED street lamps is one of the problems that need to be solved. It is not only directly related to the luminous efficiency of LEDs in actual work, but also due to the brightness The requirements are high, the heat generation is high, and the outdoor use environment is relatively harsh. If the heat dissipation is not good, it will directly lead to rapid aging of the LED and reduce t...

Claims

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Application Information

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IPC IPC(8): F21S8/08F21V19/00F21V29/503F21V29/74F21V29/87F21V29/89C09D163/00C09D7/12F21W131/103F21Y115/10
CPCC08K3/04C08K3/22C08K2003/2241C08K2201/011C09D7/61C09D163/00F21S8/088F21V19/001F21V29/503F21V29/74F21V29/87F21V29/89F21W2131/103
Inventor 周斌
Owner JIANGSU SHENZHOU TRAFFIC EQUIP
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