CN203082691U

CN203082691U - Novel light emitting diode (LED) street lamp

Info

Publication number: CN203082691U
Application number: CN2012207413139U
Authority: CN
Inventors: 范远旺
Original assignee: Dongguan Sstar Photoelectric Lighting Science & Technology Co Ltd
Current assignee: Dongguan Sstar Photoelectric Lighting Science & Technology Co Ltd
Priority date: 2012-12-28
Filing date: 2012-12-28
Publication date: 2013-07-24
Anticipated expiration: 2022-12-28

Abstract

The utility model discloses a novel light emitting diode (LED) street lamp which comprises a shell body, an LED light emitting module and a heat dissipation structure. The LED light emitting module and the heat dissipation structure are arranged in the shell body. The LED light emitting module is installed on the heat dissipation structure. According to the improvement, the heat dissipation structure comprises at least one heat conduction aluminum block. The heat conduction aluminum block is connected with the shell body through a heat conduction component so that a heat conduction passageway capable of enabling heat to be rapidly transmitted to the shell body through the heat conduction aluminum block is formed. The novel LED street lamp has the advantages of being good in heat dissipation effect and capable of enabling heat to be dissipated effectively and in time, enabling the surface temperature of the LED street lamp to be reduced and guaranteeing the service life of the LED street lamp. In addition, an aluminum shell formed through stamping is adopted by the shell body so that heat dissipation effect is good, the heat of the shell body can be conducted outside conveniently and rapid heat dissipation can be achieved.

Description

A kind of Novel LED street lamp

[technical field]

The utility model relates to the LED street lamp, relates in particular to a kind of LED street lamp with the heat sinking system.

[background technology]

At present, because led light source has energy-conservation, environmental protection, advantages such as the life-span is long, therefore be widely used in outdoor illumination field, led light source life-span length can reach 50,000 to 100,000 hours under perfect condition, but the life-span of led light source is limited by the heat that the luminous time knot face of led chip (p/n junction) produces, particularly be applied to the LED street lamp of outdoor lighting, its power ratio is bigger, and service time is longer continuously, to produce a large amount of heat at the knot face when LED is luminous like this, pass to cooling system again if can not timely and effectively heat be exported to the first medium-PCB lamp plate (generally being aluminium base) of outside, make led chip knot surface temperature drop to normal working temperature, will have a strong impact on the LED life-span so, aggravation LED light decay.Existing LED street lamp dispels the heat with the aluminium fin self-heating, the radiating effect of this radiator structure is poor, the LED rate of decay is fast, in addition, the housing of general LED street lamp adopts the aluminium die cast, and aluminium alloy density is low, is easy to generate the spilehole what wherein, produce bigger thermal resistance, reducing heat conduction efficiency and outside air greatly, to do the efficient of heat radiation, convection current just poorer.

[summary of the invention]

The purpose of this utility model is effectively to overcome the deficiency of above-mentioned technology, provides a kind of radiating effect good Novel LED street lamp.

The technical solution of the utility model is achieved in that a kind of Novel LED street lamp, it comprises housing and is arranged at housing interior LED illuminating module and radiator structure, described LED illuminating module is installed on the described radiator structure, its improvement is: described radiator structure comprises at least one heat conduction aluminium block, described heat conduction aluminium block is connected with described housing by termal conductor module, and formation can be passed to heat by the heat conduction aluminium block thermal conducting path of housing fast.

Below technique scheme is further set forth:

Described termal conductor module comprises annular heat conduction copper pipe, evaporimeter and second fixture, the port of export and the arrival end of described annular heat conduction copper pipe closely are connected with described evaporimeter, evaporimeter closely is connected with described heat conduction aluminium block, and other local locations of described annular heat conduction copper pipe are fixed on the housing by at least one second fixture.

Described housing is the stamping forming aluminum hull of high density aluminium sheet.

Described housing comprises fore shell, back cover and end cap, and described fore shell is provided with the installing zone of a hollow out, and described heat conduction aluminium block is fixedly installed in the described installing zone, and described LED illuminating module is fixed on the heat conduction aluminium block.

The bottom of described end cap is provided with the tap that is used to discharge sand and dust and rainwater alluvial.

The end cap of described housing one end is provided with the cross-ventilation inlet, and the end cap of the other end is provided with described cross-ventilation goes into the cross-ventilated cross-ventilation outlet of interruption-forming.

The beneficial effects of the utility model are: one, LED street lamp of the present utility model have better heat radiating effect, the heat of LED illuminating module conducts to rapidly on the heat conduction aluminium block of high density aluminium section bar, the thermal conducting path of forming through termal conductor module is passed on the housing fast again, derive outside the housing rapidly by housing again, so, can dispel the heat quickly and effectively, make led chip knot surface temperature maintain normal working temperature, the service life that is guaranteed the LED street lamp was above 50,000 hours; Two, housing adopts the stamping forming aluminum hull of high density aluminium sheet, has better heat-conducting effect, and helping derives the outside with the housing heat, realizes heat radiation more efficiently.

[description of drawings]

Fig. 1 is an explosive view of the present utility model;

Fig. 2 is a stereogram of the present utility model;

Among the figure: fore shell 1; Back cover 2; End cap 3a(3b); Cross-ventilation outlet 31b; Cross-ventilation inlet 31a; Pcb board 4; LED secondary optical lens module 5; Heat conduction aluminium block 6; Annular heat conduction copper pipe 7; Evaporimeter 8; Second fixture 9; Connector 10; Sealing ring 11; Tempered glass 12; Glass cover-plate 13.

[specific embodiment]

The utility model will be further described below in conjunction with drawings and Examples.

Referring to figs. 1 through shown in Figure 2, the utility model has disclosed a kind of structure-improved of LED street lamp, it comprises by fore shell 1, back cover 2, end cap 3a, the housing that 3b forms and be arranged at LED illuminating module and radiator structure in the housing, the LED illuminating module comprises pcb board 4 and is connected in LED secondary optical lens module 5 on the pcb board 4, described LED illuminating module is installed on the described radiator structure, described radiator structure comprises at least one heat conduction aluminium block 6, described heat conduction aluminium block 6 is connected with described housing by termal conductor module, formation can be passed to heat by heat conduction aluminium block 6 thermal conducting path of housing fast, heat conduction aluminium block 6 can be passed to housing by this thermal conducting path fast with heat, housing exports to the outside with heat again, realizes quick heat radiating.

In the present embodiment, termal conductor module comprises annular heat conduction copper pipe 7, the evaporimeter 8 and second fixture 9, one port of export and the arrival end of described annular heat conduction copper pipe 7 closely are connected with described evaporimeter 8, evaporimeter 8 lower surfaces closely are connected with described heat conduction aluminium block 6, evaporimeter 8 upper surfaces are connected and fixed by connector 10 and described back cover 2, lower surface is connected with described heat conduction aluminium block 6, other local locations of described annular heat conduction copper pipe 7 are fixed on the housing by at least one second fixture 9, preferable, second fixture 9 is more than three, so, evaporimeter 8 evaporates the liquid in it, heat energy is brought into annular heat conduction copper pipe 7, heat is fixed in the heat point of release of housing via annular heat conduction copper pipe 7 through the conduction of the second fixture 9(annular heat more than three copper pipe 7) be discharged into housing, do thermal convection current and radiation with the external world again, reach multistage efficiently radiates heat.

Evaporimeter 8 sides have a conductive fluid to pour into mouth, sintering sealing after pouring into conductive fluid, the guide groove that has micro nano structure in the evaporimeter 8, can be rapidly with heat conduction aluminium block 6 heat absorption, when reaching the evaporating point of conductive fluid, the heat of gasification is set out by annular heat conduction copper pipe 7 head ends, heat is fixed in the heat point of release of back cover via annular heat conduction copper pipe 7 through the conduction of the second fixture 9(annular heat more than three copper pipe 7) be discharged into the high density aluminium sheet of back cover, heat discharges the back temperature to be reduced, conductive fluid reverts back to liquid state again, be back to the tail end of evaporimeter 8, be conductive fluid and pour into the reservoir of mouthpiece, via the guide groove of the micro nano structure in the evaporimeter 8, formed capillarity constantly sucks 8 li evaporations of evaporimeter with conductive fluid again.

Further, housing is stamping forming aluminum hull, has better heat-conducting effect, and helping derives the outside with the housing heat, realizes heat radiation quickly.

Further, the boss shape structure that heat conduction aluminium block 6 is, fore shell is provided with the installing zone of a hollow out, top in the described heat conduction aluminium block 6 is hidden in the housing, and the bottom block is in fore shell 1 outside, and fixing by screw and fore shell 1, the LED illuminating module is installed on heat conduction aluminium block 6 lower surface, also be provided with a sealing ring 11 on the bottom, place a tempered glass 12 on the sealing ring 11, tempered glass 12 is fixed by a glass cover-plate 13 and described fore shell 1.

In addition, the bottom of

end cap

3a, 3b is provided with the tap that is used to discharge sand and dust and rainwater alluvial, prevents sand and dust and rainwater alluvial what lamp body inside; Meanwhile, the end cap 3b of described housing one end is provided with cross-ventilation outlet 31b, the end cap 3a of the other end is provided with described cross-ventilation outlet 31b and forms cross-ventilated cross-ventilation inlet 31a, hot-air enters cross-ventilation outlet 31a via cross-ventilation inlet 31b, form the heat extraction air to flow phenomenon, accelerate heat radiation.In the present embodiment, the cross-ventilation inlet 31a while is as the tap of sand and dust and rainwater.

To sum up, LED street lamp of the present utility model has better heat radiating effect, the heat of LED illuminating module conducts to rapidly on the heat conduction aluminium block 6 of high density aluminium section bar, the thermal conducting path of forming through termal conductor module is passed on the housing fast again, derive rapidly outside the housing by housing again, so, can dispel the heat quickly and effectively, make led chip knot surface temperature maintain normal working temperature, the service life that is guaranteed the LED street lamp was above 50,000 hours; Two, housing adopts the stamping forming aluminum hull of high density aluminium sheet, has better heat-conducting effect, and helping derives the outside with the housing heat, realizes heat radiation more efficiently.

Described above only is preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, various distortion and modification can appear, and the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.

Claims

1. Novel LED street lamp, it comprises housing and is arranged at housing interior LED illuminating module and radiator structure, described LED illuminating module is installed on the described radiator structure, it is characterized in that: described radiator structure comprises at least one heat conduction aluminium block, described heat conduction aluminium block is connected with described housing by termal conductor module, and formation can be passed to heat by the heat conduction aluminium block thermal conducting path of housing fast.

2. Novel LED street lamp according to claim 1, it is characterized in that: described termal conductor module comprises annular heat conduction copper pipe, evaporimeter and second fixture, the port of export and the arrival end of described annular heat conduction copper pipe closely are connected with described evaporimeter, evaporimeter closely is connected with described heat conduction aluminium block, and other local locations of described annular heat conduction copper pipe are fixed on the housing by at least one second fixture.

3. Novel LED street lamp according to claim 1 is characterized in that: described housing is the stamping forming aluminum hull of high density aluminium sheet.

4. Novel LED street lamp according to claim 1, it is characterized in that: described housing comprises fore shell, back cover and end cap, described fore shell is provided with the installing zone of a hollow out, and described heat conduction aluminium block is fixedly installed in the described installing zone, and described LED illuminating module is fixed on the heat conduction aluminium block.

5. Novel LED street lamp according to claim 4 is characterized in that: the bottom of described end cap is provided with the tap that is used to discharge sand and dust and rainwater alluvial.

6. Novel LED street lamp according to claim 4 is characterized in that: the end cap of described housing one end is provided with the cross-ventilation inlet, and the end cap of the other end is provided with described cross-ventilation goes into the cross-ventilated cross-ventilation outlet of interruption-forming.