CN203533486U

CN203533486U - Heat dissipation shell of LED street lamp

Info

Publication number: CN203533486U
Application number: CN201320565315.1U
Authority: CN
Inventors: 朱江
Original assignee: CHANGSHA HAOYAO ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: CHANGSHA HAOYAO ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2013-09-12
Filing date: 2013-09-12
Publication date: 2014-04-09
Anticipated expiration: 2023-09-12

Abstract

The utility model discloses a heat dissipation shell of an LED street lamp. The heat dissipation shell comprises a sleeve, a base frame, an extension support and heat dissipation modules, and the front end of the base frame is embedded into the sleeve. The heat dissipation modules and the base frame are fixedly arranged on the extension support through screws, and the heat dissipation shell is fixedly arranged on a lamp pole of the street lamp through the sleeve. The heat dissipation shell is used for mounting and fixing the LED lamp and is meanwhile used for cooling the LED lamp, the size and the mass of the LED lamp are reduced, and meanwhile the heat loss of the lamp through convection is facilitated better through an exposed cooling mode. General standard components are adopted as the components, LED lamps with different powers are matched by increasing the length of the extension support and the number of the heat dissipation modules, extension is convenient, and the heat dissipation shell is simple in structure, firm and reliable.

Description

A kind of LED road lamp heat radiation outer housing

Technical field

The utility model relates to LED street lamp, relates in particular to the street lamp that a kind of LED of take heat abstractor is shell.

Background technology

LED is the abbreviation of English Light Emitting Diode, and light emitting diode, is a kind of semiconductor solid luminescence device.LED can be visible ray by electric energy conversion, and it has changed the principle that incandescent lamp tungsten filament is luminous and energy-saving fluorescent lamp tricolor powder is luminous, and adopts electroluminescence, has that luminous efficiency is high, a little power consumption, the high feature of simple, the luminous uniformity of control circuit.Along with the proposition of " energy-conservation " and " green illumination " theory, LED is incorporated in lighting gradually as light source.

At present, in prior art, high-powered LED lamp mostly needs the shell of an aluminium or other metal as the installation basis of LED heat abstractor, on a lamp, generally has the shell that is no less than 2 covers, manufactures described shell and mostly adopts die casting, workmanship of spraying plastics.These shells have in fact only played connection and decoration function, cost of manufacture is high, and manufacture craft is big for environment pollution, needs further to adjust shell sizes with coupling when LED lamp power changes greatly, housing itself is unfavorable for the heat radiation of LED lamp simultaneously, and then affects its service life.

Comprehensive above-mentioned reason, provides a kind of good heat dissipation effect, simple in structure, solid and reliable, and expanding LED casing of street lamp easily becomes a kind of urgent need.

Utility model content

The purpose of this utility model is to provide a kind of good heat dissipation effect, simple in structure, solid and reliable, expands LED casing of street lamp easily, and this device is fixed for the installation of LED light source substrate on the one hand, dispels the heat for LED lamp simultaneously.

For achieving the above object, the technical solution of the utility model is: a kind of LED road lamp heat radiation outer housing, comprise: sleeve, front end embeds the underframe of described sleeve, heat radiation module, the expandable stent being connected and fixed for described heat radiation module, underframe, described heat radiation module and underframe are fixedly installed in described expandable stent by screw.

Preferably, it is fan-shaped that described expandable stent section is 90 ° of central angles, and inside is hollow skeleton structure.

Preferably, described heat radiation module comprises cooling base, fin, expansion screw; Described cooling base is tabular cuboid, and LED light source substrate installing hole is opened in bottom; Described fin is parallel to be fixed on described cooling base.

Preferably, described fin surface is waveform, and water joint place fin length shortens, and leaves water joint installing space, by described water joint, LED lamp cable-through hole is sealed, and prevents moisture seepage.

Preferably, also comprise R type Three dimensional joint, three of described R type Three dimensional joints coordinate with expandable stent end face, chassis top surface, end extended bracket end face respectively, by screw and underframe, fixedly mount.

Preferably, the screw rod of described expandable stent and described heat radiation module hold-down screw runs through, and the screw rod of described expandable stent and described underframe hold-down screw is inner in hollow skeleton.

beneficial effect

Owing to having adopted technique scheme, a kind of LED road lamp heat radiation outer housing described in the utility model integrates LED street lamp fixing and heat sinking function is installed, the cable-through hole moisture leakage problems that the design of water joint can avoid external heat radiation shell to bring simultaneously, by increasing described expandable stent length and heat radiation module quantity to adapt to different size LED light source, greatly simplified the structure of existing LED lamp, and overall structure is solid and reliable, the expandable stent design of hollow skeleton structure can further reduce light fixture overall weight, the radiating mode simultaneously exposing is more conducive to the heat loss through convection of light fixture.Except described each module, remaining part is all general standard component, is therefore applicable to doing automation standard production, has applied the light fixture of LED Tunnel Lamp heat-dissipating casing technology, and totle drilling cost will significantly reduce, and production efficiency improves.

Accompanying drawing explanation

Fig. 1 is overall structure schematic diagram of the present utility model;

Fig. 2 is expandable stent sectional schematic diagram;

Fig. 3 is R type Three dimensional joint place partial enlarged drawing;

In figure: 1 sleeve, 2 expandable stent, 3 water joints, 4 fin, 5 R type Three dimensional joints, 6 cooling bases, 7 underframe, 8 end extended supports.

The specific embodiment

Below in conjunction with accompanying drawing, the technical solution of the utility model is further described:

As shown in Figure 1: heat radiation module comprises fin 4, cooling base 6, water joint 3; Fin 4 is parallel to be fixed on described cooling base 6, and described cooling base 6 bottoms have light source substrate installing hole; Described fin 4 outer surfaces are waveform, increase area of dissipation; Water joint 3 place's fin 4 length are shorter, are reserved with water joint 3 installing spaces; After heat radiation module group assembling completes, by expandable stent 2, each heat radiation module is connected with underframe 7, with screw, is fixed.Heat radiation module place screw screw rod runs through, and underframe place screw screw rod is in described expandable stent 2 inside.In order further to guarantee fitting structure intensity, at end extended support 8 and expandable stent 2,7, underframe, be provided with R type Three dimensional joint 5, described R type Three dimensional joint 5 coordinates with expandable stent 2 end faces, underframe 7 upper surfaces, and fixes with screw.By underframe 7 front ends, embed described sleeve 1 inside, sleeve 1 other end and street lamp post fixed installation.

When LED power causes more greatly the increase of LED light source substrate specification, radiating requirements to increase, can mate by increasing the quantity of expandable stent 2 length and heat radiation module, by expansion screw, fixedly mount.

First the heat that LED lamp produces is passed to the cooling base 6 of direct contact, cooling base 6 adopts the good metal material of heat conduction to make, heat is conducted to described fin 4, outer being exposed in air of described fin 4, directly by cross-ventilation, dispel the heat, by corrugated outer surface design, can increase area of dissipation, strengthen radiating effect.By the water joint 3 being provided with, prevent that moisture is from LED cable-through hole seepage.

Applied specific embodiment herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.The above is only preferred embodiment of the present utility model, should be understood that, finiteness due to literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, not departing under the prerequisite of the utility model principle, can also make some improvement, retouching or variation, also above-mentioned technical characterictic can be combined by rights; These improve retouching, change or combination, or without improving, the design of utility model and technical scheme are directly applied to other occasion, all should be considered as protection domain of the present utility model.

Claims

1. a LED road lamp heat radiation outer housing, comprise: sleeve, front end embeds the underframe of described sleeve, it is characterized in that: also comprise heat radiation module, the expandable stent being connected and fixed for described heat radiation module, underframe, described heat radiation module and underframe are fixedly installed in described expandable stent by screw.

2. a kind of LED road lamp heat radiation outer housing according to claim 1, is characterized in that: it is fan-shaped that described expandable stent section is 90 ° of central angles, and inside is hollow skeleton structure.

3. a kind of LED road lamp heat radiation outer housing according to claim 1, is characterized in that: described heat radiation module comprises cooling base, fin, expansion screw; Described cooling base is tabular cuboid, and LED light source substrate installing hole is opened in bottom; Described fin is parallel to be fixed on described cooling base.

4. a kind of LED road lamp heat radiation outer housing according to claim 3, it is characterized in that: described fin surface is waveform, water joint place fin length shortens, and leaves water joint installing space, by described water joint, LED lamp cable-through hole is sealed, prevent moisture seepage.

5. a kind of LED road lamp heat radiation outer housing according to claim 1, it is characterized in that: also comprise R type Three dimensional joint, three of described R type Three dimensional joints coordinate with expandable stent end face, chassis top surface, end extended bracket end face respectively, by screw and underframe, fixedly mount.

6. a kind of LED road lamp heat radiation outer housing according to claim 1, is characterized in that: the screw rod of described expandable stent and described heat radiation module hold-down screw runs through, and the screw rod of described expandable stent and described underframe hold-down screw is inner in hollow skeleton.