CN203349081U

CN203349081U - Stack effect LED street lamp improving thermal convection

Info

Publication number: CN203349081U
Application number: CN2013203784651U
Authority: CN
Inventors: 郭震宁; 曾茂进; 曾海; 陈俄振; 胡治伟; 杨菲菲; 甘汝婷; 林介本; 林木川; 颜稳萍
Original assignee: Huaqiao University
Current assignee: Huaqiao University
Priority date: 2013-06-28
Filing date: 2013-06-28
Publication date: 2013-12-18
Anticipated expiration: 2023-06-28

Abstract

The utility model provides a stack effect LED street lamp improving thermal convection. The stack effect LED street lamp improving thermal convection comprises an LED light source module, a radiator and a street lamp shell body, wherein a pipeline with an upward opening is upwards arranged on the street lamp shell body, and is communicated with the street lamp shell body, the radiator is provided with cooling fins which are formed between the street lamp shell body and the LED light source module, a gap which is vertically perforating is formed between every two adjacent cooling fins, the interior of the street lamp shell body is communicated with an external space where the LED light source module is located through the gaps, and the LED light source module is arranged on the lower sides of the cooling fins. Therefore, a chimney structure is formed by the pipeline of the stack effect LED street lamp improving thermal convection, the LED light source module heats the air around, the principle that the hot air is low in density and can easily ascend is used, the hot air around the LED light source module enters the street lamp shell body through the gaps of the cooling fins, and is upwards discharged along the pipeline, new air is supplemented, the fluidity of the air around the LED light source module and the cooling fins can be improved, unblocked, rapid and natural thermal convection is carried out, and the stack effect LED street lamp improving thermal convection is good in heat dissipation effect, low in cost, simple and reasonable in structure and good in practicability.

Description

A kind of stack effect LED street lamp that strengthens heat loss through convection

Technical field

The utility model relates to LED light-emitting device field, is specifically related to a kind of stack effect LED street lamp that strengthens heat loss through convection.

Background technology

Along with scientific and technological progress, to have a light efficiency high because of it for LED light source, and cost is low, and pollution-free, meets the advantages such as national energy-saving environmental protection theme, more and more is subject to people's favor.

In order to reach higher intensity of illumination, the power of LED light source is more and more higher, the temperature of LED light source is easy to raise thereupon, and the impact of generation has: LED spectral red shift, light efficiency reduction, stress loss and the lost of life etc., so the heat dissipation problem of the LED universal obstacle that is power type LED light source.

Free convection is the most reliable approved passive heat radiation, compares radiating mode initiatively, and it has without external energy, movement-less part, noiseless, the advantage such as the life-span is long and cost is low.The common main free convection by air of LED heat radiation is dispelled the heat, but effect is not ideal enough, normally set the radiator with fin, and, by increasing the quantity of fin, increase area of dissipation, can strengthen heat-sinking capability to a certain extent, but have sometimes air flow resistance, air flow property is poor, and radiating effect is undesirable, and unstable, also there is higher heat radiation cost.

Given this, this case the inventor furtherd investigate the problems referred to above, then has this case to produce.

The utility model content

The purpose of this utility model is to provide a kind of good heat dissipation effect, the stack effect LED street lamp of the enhancing heat loss through convection that cost is low.

In order to achieve the above object, the utility model adopts such technical scheme:

A kind of stack effect LED street lamp that strengthens heat loss through convection, comprise LED light source module, radiator and street lamp casing; Described street lamp casing upwards is provided with and is communicated with in street lamp casing and mouth pipeline upward, described radiating appliance has the fin be formed between described street lamp casing and described LED light source module, be formed with between described fin and run through up and down and be communicated with in described street lamp casing and the gap in described LED light source module extraneous space of living in, described LED light source module is located at the downside of described fin.

Above-mentioned pipeline is straight-tube shape, and vertically is arranged at above-mentioned street lamp casing upside.

The thickness of above-mentioned fin is 0.2-2mm, and the spacing between fin is 2-10mm.

The length of above-mentioned pipeline is 50-1000mm, and diameter is 50-600mm.

After adopting technique scheme, the stack effect LED street lamp of enhancing heat loss through convection of the present utility model, break through the structural form of traditional LED street lamp, its pipeline forms " chimney " structure, the heat that the LED light source module produces is heated surrounding air, utilize hot-air density little, the principle easily floated, the gap that makes LED light source module hot-air on every side see through fin enters in street lamp casing, then along pipeline, upwards drain, new replenish air, strengthen the mobility of LED light source module and fin surrounding air with this, carry out unimpeded, Natural Heat Convection fast, compared with prior art, the stack effect LED street lamp of enhancing heat loss through convection of the present utility model, its good heat dissipation effect, cost is low, simple and reasonable, practical.

The accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is cross-sectional schematic of the present utility model.

In figure:

1-LED light source module

2-radiator 21-fin

3-street lamp casing 4-pipeline

The specific embodiment

Be described in detail the technical solution of the utility model below by specific embodiment in order further to explain.

A kind of stack effect LED street lamp that strengthens heat loss through convection of the present utility model, as illustrated in fig. 1 and 2, comprise LED light source module 1, radiator 2 and street lamp casing 3.

Improvements are, street lamp casing 3 upwards is provided with street lamp casing 3 is interior and is communicated with and mouth pipeline 4 upward, radiator 2 has the fin 21 be formed between street lamp casing 3 and LED light source module 1, between fin 21, be formed with run through up and down and access lamp housing 3 in the gap in LED light source module 1 extraneous space of living in, LED light source module 1 is located at the downside of fin 21, pipeline 4 forms " chimney " structure, the heat that LED light source module 1 produces is heated surrounding air, utilize hot-air density little, the principle easily floated, the gap that makes LED light source module 1 hot-air on every side see through fin 21 enters in street lamp casing 3, then along pipeline 4, upwards drain, new replenish air, again absorb the heat that LED light source module 1 produces, strengthen the mobility of LED light source module and fin surrounding air with this, to LED light source module 1, carry out unimpeded, Natural Heat Convection fast.

In order to make Air Flow more smooth and easy, preferably, pipeline 4 is straight-tube shape, and vertically is arranged at street lamp casing 3 upsides.

Preferably, the thickness of fin 21 is 0.2-2mm, and the spacing between fin 21 is 2-10mm.

Preferably, the length of pipeline 4 is 50-1000mm, and diameter is 50-600mm.

The stack effect LED street lamp of enhancing heat loss through convection of the present utility model, the shape of pipeline, length and diameter etc. also can be adjusted and be designed according to actual requirement; The shape of fin, thickness, spacing, quantity and distribution form etc. also can be adjusted and be designed according to actual requirement, and more in a broad aspect, the concrete form of radiator and setting position etc. also can be adjusted and design according to actual requirement; The form of LED light source module, amount of monomer and distribution form etc. can be adjusted and be designed according to actual requirement; Street lamp casing is existing street lamp casing structure, and it can be cooperation design of the present utility model and does adaptive structural adjustment.

Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out suitable variation or the modification of similar thinking to it, all should be considered as not breaking away from patent category of the present utility model.

Claims

1. a stack effect LED street lamp that strengthens heat loss through convection, comprise LED light source module, radiator and street lamp casing; It is characterized in that: described street lamp casing upwards is provided with and is communicated with in street lamp casing and mouth pipeline upward, described radiating appliance has the fin be formed between described street lamp casing and described LED light source module, be formed with between described fin and run through up and down and be communicated with in described street lamp casing and the gap in described LED light source module extraneous space of living in, described LED light source module is located at the downside of described fin.

2. a kind of stack effect LED pendent lamp that strengthens heat loss through convection according to claim 1, it is characterized in that: above-mentioned pipeline is straight-tube shape, and vertically is arranged at above-mentioned street lamp casing upside.

3. a kind of stack effect LED street lamp that strengthens heat loss through convection according to claim 1 and 2, it is characterized in that: the thickness of above-mentioned fin is 0.2-2mm, the spacing between fin is 2-10mm.

4. a kind of stack effect LED street lamp that strengthens heat loss through convection according to claim 3, it is characterized in that: the length of above-mentioned pipeline is 50-1000mm, diameter is 50-600mm.