CN201443694U

CN201443694U - Radiating LED illuminating lamp of loop type heat-pipe radiator

Info

Publication number: CN201443694U
Application number: CN2009200131549U
Authority: CN
Inventors: 郭培囵
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-22
Filing date: 2009-04-22
Publication date: 2010-04-28
Anticipated expiration: 2019-04-22

Abstract

The utility model relates to a radiating LED illuminating lamp of a loop type heat-pipe radiator. The radiating LED illuminating lamp comprises a lamp shade and LED units, one set or a plurality of sets of LED units are arranged inside the lamp shade according to power needs, each LED unit consists of a loop heat-pipe radiator, a substrate, an LED and a module lens, an LED mounting surface is connected with substrate mounting surface, the module lens is connected with the substrate mounting surface, and the loop heat-pipe radiator is welded with the substrate. The illuminating lamp utilizes the loop type heat-pipe radiator to radiate heat, and the loop type heat-pipe radiator is an annular vacuum chamber heat-pipe radiator or an 'H'-shaped vacuum chamber heat-pipe radiator. Compared with the prior art, the radiating LED illuminating lamp has the advantages that the radiating LED illuminating lamp utilizes an advanced loop type heat-pipe radiator structure and principles of low heat resistance and high thermal conductivity coefficient of the heat-pipe radiator, and effectively resolves LED radiating problems. LED light sources are in secondary light source treatment via the module lens. In addition, the radiating LED illuminating lamp is reasonable in integral design, simple in structure, small in volume, light in weight and convenient in mounting.

Description

Heat-radiation LED illuminating lamp of loop heat-tube heat radiator

Technical field

The utility model relates to a kind of LED illuminating lamp, particularly a kind of heat-radiation LED illuminating lamp of loop heat-tube heat radiator.

Background technology

At present, the heat radiation of LED illuminating lamp adopts the entity metal heat sink to solve heat dissipation problem usually.The conduct of LED illuminating lamp is state-of-the-art lighting engineering in the world, has avoided defectives such as illumination high energy consumption, life-span weak point.Although the LED illuminating lamp is in decoration, demonstration, field of backlights large-scale application already, because crucially be obstructed on heat dissipation technology, the LED illuminating lamp never makes a breakthrough in large-scale general such as city street lamp illumination, building external decoration shot-light illumination application.Can the LED illuminating lamp is worked long hours under specified junction temperature condition, brightness can be because of not overheated and descend, and it is very important effectively solving heat dissipation problem.The subject matter that the entity metal heat sink exists is: capacity of heat transmission is restricted, and volume is big, and weight is big, directly influences operate as normal and the service life of LED.

The utility model content

For addressing the above problem, the utility model provides that the high and low energy consumption of a kind of luminous efficiency, volume are little, in light weight, the heat-radiation LED illuminating lamp of loop heat-tube heat radiator of good heat dissipation effect.

For addressing the above problem, the utility model by the following technical solutions:

A kind of heat-radiation LED illuminating lamp of loop heat-tube heat radiator, this device comprises lampshade and LED unit, lampshade inside is provided with one or more groups LED unit, the LED unit is made up of loop heat-tube heat radiator, substrate, LED and module lens, the LED installed surface is connected with the substrate installed surface, the module lens are connected with the substrate installed surface, loop heat-tube heat radiator below metal tube and substrate welding.

Described loop heat-tube heat radiator is the ring type heat pipe radiator, and this ring type heat pipe radiator is made up of metal tube, bent pipe, radiating fin and working medium; The upper metal pipe is communicated with by the bent pipe welding with metal tube two ends position, below, and its metal tube and bent pipe form ring-like vacuum cavity, and inside is marked with working medium; The metal tube outer wall is provided with radiating fin, this ring type heat pipe radiator below metal tube and substrate welding.

Described loop heat-tube heat radiator is " worker " font heat-pipe radiator, should be made up of metal tube, conduction pipe, radiating fin, working medium and capillary structure structure by " worker " font heat-pipe radiator; The upper metal pipe is communicated with by the conduction pipe welding with the below metal tube, and upper metal pipe, below metal tube and conduction pipe form " worker " font vacuum cavity, and the below inner wall of metal tube is with the capillary structure structure, and inside is marked with working medium; The metal tube outer wall is provided with radiating fin, should " worker " font heat-pipe radiator below metal tube and substrate welding.

Compared with prior art, the beneficial effects of the utility model are: utilize advanced loop heat-tube heat radiator structure and the heat-pipe radiator thermal resistance is little, the high principle of the coefficient of heat conduction, effectively solve the LED heat dissipation problem, led light source is handled through module lens secondary souce, and global design is reasonable, simple in structure, volume is little, and is in light weight, easy for installation.

Description of drawings

Fig. 1 is a 1. front view of the utility model;

Fig. 1-the 1st, the utility model be the LED cell schematics 1.;

Fig. 1-2 is a 1. ring type heat pipe radiator schematic diagram of the utility model;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is that the A-A of Fig. 1 is to view;

Fig. 4 is a 2. front view of the utility model;

Fig. 4-the 1st, the utility model be the LED cell schematics 2.;

Fig. 4-the 2nd, the utility model be " worker " font heat-pipe radiator schematic diagram 2.;

Fig. 5 is the vertical view of Fig. 4;

Fig. 6 is that the B-B of Fig. 4 is to view;

The specific embodiment

Embodiment 1

See Fig. 1, Fig. 2, Fig. 3, a kind of heat-radiation LED illuminating lamp of loop heat-tube heat radiator comprises lampshade 1 and LED unit 2.LED unit 2 comprises ring type heat pipe radiator 3, substrate 5, LED6 and module lens 7.Ring type heat pipe radiator 3 is made up of metal tube 8, bent pipe 9, radiating fin 11 and working medium 12.Lampshade 1 inside can be provided with one or more groups LED unit 2 according to the lighting power needs, the LED6 installed surface is connected with substrate 5 installed surfaces, and module lens 7 are connected with substrate 5 installed surfaces, substrate 5 and metal tube 8 welding, metal tube 8 and bent pipe 9 welding, metal tube 8 outer walls closely are connected with radiating fin 11.The ring-like vacuum cavity inside that metal tube 8 and bent pipe 9 form is marked with working medium 12.

The course of work of this device is: the light that sends during LED6 work is handled through the secondary souce of module lens 7, light source is mapped in the effective range, the heat that produces during LED6 work passes to substrate 5, simultaneously, ring type heat pipe radiator 3 internal working mediums 12 carburation by evaporation that is heated, gas circulates under the ring-like vacuum cavity internal differential pressure effect of metal tube 8 and bent pipe 9 formation, and with heat transferred radiating fin 11, final radiating fin 11 sheds heat by the convection current with air.

Embodiment 2

See Fig. 4, Fig. 5, Fig. 6, a kind of heat-radiation LED illuminating lamp of loop heat-tube heat radiator comprises lampshade 1 and LED unit 2.LED unit 2 comprises " worker " font heat-pipe radiator 4, substrate 5, LED6 and module lens 7." worker " font heat-pipe radiator 4 is made up of metal tube 8, conduction pipe 10, radiating fin 11, working medium 12 and capillary structure 13.Lampshade 1 inside can be provided with one or more groups LED unit 2 according to the lighting power needs, the LED6 installed surface is connected with substrate 5 installed surfaces, module lens 7 are connected with substrate 5 installed surfaces,

substrate

5 and 8 welding of below metal tube, upper metal pipe 8 is welded to connect by conduction pipe 10 with below metal tube 8, and metal tube 8 outer walls closely are connected with radiating fin 11.Upper metal pipe 8, below metal tube 8 and conduction pipe 10 form " worker " font vacuum cavity, and metal tube 8 inwalls in below have capillary structure 13, and are marked with working medium 12.

The course of work of this device is: the light that sends during LED6 work is handled through the secondary souce of module lens 7, light source is mapped in the effective range, the heat that produces during LED6 work passes to substrate 5, simultaneously, " worker " font heat-pipe radiator 4 internal working mediums 12 carburation by evaporation that is heated, gas laterally and vertically flows under " worker " font vacuum cavity internal differential pressure effect of metal tube 8 and conduction pipe 10 formation, reflux rapidly by capillary structure 13 and gravity effect again, so circulation, heat are finally shed by the convection current of radiating fin 11 with air.

Claims

1. heat-radiation LED illuminating lamp of loop heat-tube heat radiator, it is characterized in that, this device comprises lampshade and LED unit, lampshade inside is provided with one or more groups LED unit, the LED unit is made up of loop heat-tube heat radiator, substrate, LED and module lens, the LED installed surface is connected with the substrate installed surface, and the module lens are connected with the substrate installed surface, loop heat-tube heat radiator below metal tube and substrate welding.

2. a kind of heat-radiation LED illuminating lamp of loop heat-tube heat radiator according to claim 1 is characterized in that, described loop heat-tube heat radiator is the ring type heat pipe radiator, and this ring type heat pipe radiator is made up of metal tube, bent pipe, radiating fin and working medium; The upper metal pipe is communicated with by the bent pipe welding with metal tube two ends position, below, and its metal tube and bent pipe form ring-like vacuum cavity, and inside is marked with working medium; The metal tube outer wall is provided with radiating fin, this ring type heat pipe radiator below metal tube and substrate welding.

3. a kind of heat-radiation LED illuminating lamp of loop heat-tube heat radiator according to claim 1, it is characterized in that, described loop heat-tube heat radiator is " worker " font heat-pipe radiator, should be made up of metal tube, conduction pipe, radiating fin, working medium and capillary structure by " worker " font heat-pipe radiator; The upper metal pipe is communicated with by the conduction pipe welding with the below metal tube, and upper metal pipe, below metal tube and conduction pipe form " worker " font vacuum cavity, and the below inner wall of metal tube is with capillary structure, and inside is marked with working medium; The metal tube outer wall is provided with radiating fin, should " worker " font heat-pipe radiator below metal tube and substrate welding.