CN201858619U - Heat sink for high-power LED park lamp - Google Patents

Abstract

The utility model relates to a heat sink for a high-power LED park lamp. The heat sink comprises a lamp holder plate (1), a cooling liquid tank body (1.1) on the back side of the lamp holder plate (1), a lamp cap sealing head (2) and a lamp tail sealing head (3); a mounting platform for an LED chip module is arranged on the front side of the lamp holder plate (1), and the cooling liquid tank body (1.1) is a hollow flat tubular tank body and is integrally designed and developed on the back of the lamp holder plate (1); the lamp cap sealing head (2) and the lamp tail sealing head (3) are installed at both ends of the cooling liquid tank body (1.1) through mounting screws (4); sealing rings are additionally arranged between the cooling liquid tank body (1.1) and the sealing heads at both ends of the cooling liquid tank body (1.1); a liquid filling hole (5) is formed on the lamp tail sealing head (3); the cooling liquid tank body (1.1) is filled with cooling liquid (1.3); and shorter radiating fins (1.2) are retained on the back of the cooling liquid tank body (1.1). The heat sink has better heat dissipating effect and better temperature equalizing effect, and is favorable for the normal implementation of overall light efficiency of the high-power LED park lamp.

Description

A kind of heat abstractor of great power LED garden lamp

Technical field

The utility model belongs to the electric lighting technical field, relates to a kind of great power LED garden lamp, relates in particular to a kind of heat abstractor of great power LED garden lamp.

Background technology

The exploitation of led light source has tended to ripe with application, and replacing conventional light source has also become a kind of trend and inevitable.At present, the exploitation of high-power LED light source has tended to one hundred daysization with application; Yet, because the energy of LED still has sizable part still will transfer heat energy to, so heat dissipation problem remains influences the major issue that great power LED is used and developed.

Mainly still lamp socket and the integrated Natural Heat Convection of radiating fin, fin install fan forced heat radiation, heat pipe and loop heat pipe heat radiation etc. additional to the radiating mode of the current employing of high-power LED illuminating lamp.It is big that the integrated Natural Heat Convection mode of lamp socket and radiating fin consumes wealth, and the layout of radiating fin is not considered the occupation mode of light fixture, the harmony of ignorance heat loss through convection and heat transfer, the uneven shortcoming of existence heat radiation well; Fin installs then system complex of fan forced heat radiation mode additional, and reliability is low, needs often to safeguard, is used less so make; Though its heat pipe cost of heat pipe and loop heat pipe radiating mode is higher and technology is complicated, radiating effect is relatively good, and weight is also light, and, the oxidized easily and corrosion in heat pipe surface under the condition in the open need be done protective treatment.And, more than each money all have the uneven shortcoming of heat radiation, in design, it is less that even temperature transition aspect between radiating fin and the lamp socket is considered, causes the efficient of high-power LED lamp normally not bring into play.

The utility model content

The purpose of this utility model is to provide a kind of heat abstractor of great power LED garden lamp, with its pointed structural design provide a new solution for improving above-mentioned existing problem, thereby help promoting the further application and the development of indoor LED illumination.

For achieving the above object, solution of the present utility model is:

A kind of heat abstractor of great power LED garden lamp is made up of the heat abstractor at lamp socket plate and back thereof and the end socket at two ends.Described heat abstractor is a cooler bin, promptly expand a casing in the integrated design of the back of lamp socket plate, this casing is logical heart flat tube shape, its two ends are installed lamp holder end socket and lamp tail end socket respectively, install sealing ring additional between the end socket at casing and two ends, open a liquid injection hole on the lamp tail end socket, fill with cooling fluid in the casing, the back of casing keeps short radiating fin.

Like this, substrate and the lamp holder base plate frame of the heat energy that is produced by high-power LED chip by led module conducts to the both sides of conducting oil dropping apparatus after the even temperature cooling of cooling fluid again and back side framework and radiating fin and further dispels the heat, and finishes heat exchanging process by Natural Heat Convection at last.The uneven shortcoming thereby the high-power LED street lamp that has solved ubiquitous lamp socket and radiating fin integrated design dispels the heat.After adopting said structure, compared with prior art, the utlity model has following progressive advantage:

1, natural heat dissipation efficient improves, and the even temp effect of whole lamp socket is good, helps the normal performance of light fixture globality light efficiency;

2, utilize the cooling fluid heat radiation, the thickness of the heat radiation transition bottom plate frame of its lamp socket can suitably reduce, and the height of radiating fin obviously reduces, so the whole aluminium consumption of lamp body obviously reduces, cost also obviously reduces.

Description of drawings

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

Fig. 2 is the rearview of the utility model embodiment;

Fig. 3 is the right view of the utility model embodiment;

Fig. 4 is the upward view of the utility model embodiment;

Fig. 5 is the vertical view of the utility model embodiment;

Fig. 6 is the A-A cutaway view of the utility model embodiment;

Contrast Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6:

1---the lamp socket plate

1.1---casing

1.2---radiating fin

1.3---cooling fluid

1.4---end socket is installed screw hole

2---the lamp holder end socket

3---lamp tail end socket

4---screw is installed

5---liquid injection hole

The specific embodiment

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of heat abstractor of great power LED garden lamp is made up of the cooling casing 1.1 at lamp socket plate 1 and back thereof and lamp holder end socket 2 and lamp tail end socket 3.

Lamp socket plate 1 and casing 1.1 and radiating fin 1.2 integrated designs, form with the disposable casting pressure of aluminum material, be that its front is the mounting platform of led chip module, a cooling fluid casing 1.1 is expanded in its back integrated design, this casing is logical heart flat tube shape, its two ends are reserved with end socket screw hole 1.4 are installed, lamp holder end socket 2 and lamp tail end socket 3 usefulness are installed screw 4 and are installed on its two ends respectively, install sealing ring additional between the end socket at casing 1.1 and two ends, open a liquid injection hole 5 on the lamp tail end socket 3, fill with cooling fluid 1.3 in the casing 1.1, the back of casing 1.1 keeps short radiating fin 1.2.

Claims (1)

1. the heat abstractor of a great power LED garden lamp, form by the heat abstractor at lamp socket plate and back thereof and the end socket at two ends, it is characterized in that: described heat abstractor is a cooling fluid casing, promptly expand a casing in the integrated design of the back of lamp socket plate, this casing is logical heart flat tube shape, its two ends are installed lamp holder end socket and lamp tail end socket respectively, install sealing ring additional between the end socket at casing and two ends, open a liquid injection hole on the lamp tail end socket, fill with cooling fluid in the casing, the back of casing keeps radiating fin.

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