CN201228933Y

CN201228933Y - High brightness LED street lamp holder structure

Info

Publication number: CN201228933Y
Application number: CNU2008200593651U
Authority: CN
Inventors: 杨文金
Original assignee: WUXI YIXIN OPTOELECTRONICS TECHNOLOGY Co Ltd
Current assignee: WUXI YIXIN OPTOELECTRONICS TECHNOLOGY Co Ltd
Priority date: 2008-06-04
Filing date: 2008-06-04
Publication date: 2009-04-29
Anticipated expiration: 2018-06-04

Abstract

The utility model relates to a light source cavity structure inside a lamp, in particular to a lamp head structure of a high brightness LED street lamp, wherein the structure comprises a lamp shell, a high brightness LED lamp and a support thereof, the inner portion of the lamp shell is equipped with a concavity profile heat-dissipating plate, the outer surface of the profile heat-dissipating plate is equipped with a plurality of grooves, a heat conduction pipe is arranged in the grooves on the outer surface of the heat-dissipating plate, and the inner concave surface of the profile heat-dissipating plate is evenly equipped with a plurality of heat-dissipating strips. The light source cavity structure inside a lamp has the advantages that the structure of a light distribution and heat dissipation integrated plate is used, thereby reducing the conductive process of middle heat energy, simplifying the structure of the whole lamp, having convenient assembling, and increasing the heat dissipation function of the whole lamp.

Description

The high-brightness LED street lamp holder structure

Technical field

The utility model relates to lamp interior light-source chamber body structure, is specifically related to a kind of high-brightness LED street lamp holder structure.

Background technology

Street lamp plays important effect in the road traffic illumination, used street lamp adopts high-low pressure sodium vapor lamp or Halogen lamp LED as light source more at present, and its energy consumption is big, the life-span short, low temperature is difficult for starting.Propose along with creating conservation-minded society, need that a kind of energy consumption is little, the life-span long, easily start, free of contamination new light sources substitutes existing road traffic and throw light on.High-brightness LED is as a kind of new type light source, in lighting decoration controlleds such as floor light, traffic lights, obtained using widely, and last century Mo high-brightness LED appearance also attracted showing warm solicitude for of national governments and enterprise, become a hot topic in photoelectron, the illuminating engineering sciemtifec and technical sphere, it has lighted really " green illumination " radiance, the new light sources that is considered to the 21 century most worthy, make lighting engineering face a new revolution, improved Human's production and life style to a certain extent.But the high technological deficiency of existing high-brightness LED light fixture ubiquity heat radiation.The full seal type device is all adopted in ordinary lamp and lantern internal light source chamber at present, the heat that light source produces is difficult for spreading out of in housing, working long hours to cause light decay strong excessively, and promptly luminous intensity distribution also can be subjected to certain influence, and ensemble average illuminance, the uniformity also can descend thereupon.

Summary of the invention

The purpose of this utility model is according to above-mentioned the deficiencies in the prior art part, and a kind of high-brightness LED street lamp holder structure is provided, and this structure adopts heat sink and fixes heat pipe on it, and heat is reached lamp housing, strengthens area of dissipation by fin and lamp housing.

The utility model purpose realizes being finished by following technical scheme:

A kind of high-brightness LED street lamp holder structure comprises lamp housing, high-brightness LED lamp and support thereof, it is characterized in that: be provided with concavity section bar heat sink in lamp housing inside, the outer surface of this section bar heat sink is provided with some grooves.

In the groove of described heat sink outer surface heat pipe is installed, this heat pipe one end is fixed in the described groove, and the other end is to the setting that radially distributes of lamp housing direction.

The described heat pipe other end contacts, fits with lamp housing.The perhaps described heat pipe other end is mounted with the number of plate-shaped fin, and this fin and heat pipe are close to.

Evenly be provided with some heat sink strips on the inner concave of section bar heat sink, heat sink strip and described inner concave are close to mutually.

Post PCB on the described heat sink strip respectively, the high-brightness LED light head is set on the PCB, be provided with lens carrier on high-brightness LED light head top, be placed with the convex lens in lens carrier, lens see through support and entangle the high-brightness LED light head.

The utility model has the advantages that, adopt the structure of luminous intensity distribution, heat radiation one plate, the heat energy conductive process has been simplified whole fitting structure in the middle of reducing, and is easy to assembly, strengthened the heat sinking function of whole light fixture, also make lens reach maximum utilization rate, simple in structure, easy for installation, be a kind of holder structure that reaches the high-brightness LED lamp of best radiating effect, and this structure energy consumption is little, the life-span long, easily startup, pollution-free, can substitute existing road lighting lamp.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model A-A cross-sectional view;

Fig. 3 is the utility model fin perspective view;

Fig. 4 is the utility model fin front view;

Fig. 5 is Fig. 4 side view;

The specific embodiment

The utility model feature and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technical staff's of the same trade understanding:

Shown in Fig. 1-5 difference, label 1-8 represents respectively: lamp housing 1, fin 2, heat sink 3, heat pipe 4, heat sink strip 5, LED lamp group 6, groove 7, heat sink vertex tangent position 8.

A kind of high-brightness LED street lamp lamp holder institutional framework that present embodiment relates to, comprise lamp housing 1, a plurality of high-brightness LED lamp group 6, be provided with concavity section bar heat sink 3 in the lamp housing 1, heat sink 3 outer surfaces are equipped with heat pipe 4, heat pipe 4 tops are equipped with the combination of sheet fin, and this combination is to be formed by stacking by some fin 2.The outer surface of section bar heat sink 3 evenly distributes and is provided with some grooves 7, and heat pipe 4 one ends are inserted in the groove 7, and the other end is to settings that radially distribute of lamp housing 1 direction, and heat pipe 4 other ends make up with fin and fixedly connected.On the inner concave of section bar heat sink 3, be provided with four heat sink strips 5 respectively symmetrically with concavity section bar heat sink 3 centre of surfaces symmetry both sides, amount to eight heat sink strips 5 and be close to mutually, and be followed successively by 10 °, 30 °, 50 °, 65 ° from end face and the angle between the heat sink vertex tangent position 8 that the heat sink strip at tip position begins four heat sink strips with the inner concave of heat sink 3.

On heat sink strip 5, post PCB respectively, be respectively arranged with 8-12 high-brightness LED on each PCB, dispose the bowl-type lens carrier on each high-brightness LED, be placed with the bowl-type lens in the support, and the light head that high-brightness LED is entangled by support in the lens bottom, high-brightness LED light head, lens carrier, convex lens constitute LED lamp group 6, and lens carrier is a concave shape, 2-5 leg arranged, and each leg passes PCB and heat sink strip 5 is fixing; The lens that match with lens carrier are convex, and the bottom is provided with the groove of laying the high-brightness LED light head.

The present embodiment energy consumption is little, the life-span long, easily startup, photoelectric properties satisfy colour developing requirement, the colour temperature requirement of light source, illumination requirement, the uniformity requirement of road illuminating lamp fully, can substitute existing road lighting lamp, applicable to highway, major trunk roads, subsidiary road, branch road illuminating street lamp, become new road traffic lighting light fixture.

Concavity heat sink 3 in the present embodiment lamp housing 1 is the metal stretching section bar, be easy to heat radiation, install, posted film shape PCB on the heat dissipation metal bar 5 respectively, form circuit loop on request, concavity heat sink 3 collection luminous intensity distributions are one with heat radiation, the inner concave assembling is covered with the heat sink strip 5 of film shape PCB, the back forms bar shaped heat radiation sheet, it is external that the heat of high-brightness LED generation is directly derived light-source chamber, simultaneously, form poroid rectangular groove 7 at concavity heat sink 3 back sides, insert metal heat-conducting pipe 4 in the groove 7, heat pipe 4 ends install metal fin 2, are symmetry shape, when the heat that high-brightness LED produces conducts to concavity heat sink 3, heat is conducted to lamp outer casing 1, diffuse in the surrounding environment.

Each heat dissipation metal bar 5 end faces that the principle of present embodiment is mounted on the concavity heat sink 3 form certain angle in inner chamber body, adjust the power number of whole light fixture, the intensity of illumination of regulating whole light fixture then by the length of control concavity heat sink.Be covered with PCB on the heat dissipation metal bar 5, LED is installed on this PCB, form the loop by different demands simultaneously, directly supply with dc voltage, impel its work by external power supply.Mounted high-brightness LED is allotted the high brightness light fixture by these angles, and the LED that different capacity is installed on different metal heat sink strip 5 can make the brightness of whole light fixture reach the highest.Only need to regulate just arbitrarily light modulation of electric current simultaneously.The utility model utilizes the higher principle of metal heat-conducting performance aspect heat radiation, the heat that LED is given out directly all distributes by metal tube, by increasing the radiating rate that fin quantity and area increase the whole light source cavity.

Claims

1, a kind of high-brightness LED street lamp holder structure comprises lamp housing, high-brightness LED lamp and support thereof, it is characterized in that: be provided with concavity section bar heat sink in lamp housing inside, the outer surface of this section bar heat sink is provided with some grooves.

2, a kind of high-brightness LED street lamp holder structure according to claim 1, it is characterized in that in the groove of described heat sink outer surface heat pipe being installed, this heat pipe one end is fixed in the described groove, and the other end is to the setting that radially distributes of lamp housing direction.

3, a kind of high-brightness LED street lamp holder structure according to claim 2 is characterized in that the described heat pipe other end contacts, fits with lamp housing.

4, a kind of high-brightness LED street lamp holder structure according to claim 2 is characterized in that the described heat pipe other end is mounted with the number of plate-shaped fin, and this fin and heat pipe are close to.

5, a kind of high-brightness LED street lamp holder structure according to claim 1 is characterized in that evenly being provided with some heat sink strips on the inner concave of section bar heat sink, and heat sink strip and described inner concave are close to mutually.

6, a kind of high-brightness LED street lamp holder structure according to claim 5, it is characterized in that posting respectively on the described heat sink strip PCB, the high-brightness LED light head is set on the PCB, be provided with lens carrier on high-brightness LED light head top, be placed with the convex lens in lens carrier, lens see through support and entangle the high-brightness LED light head.