CN201145167Y

CN201145167Y - Integral ventilated water proof heat radiating device road lamp with high-power LED

Info

Publication number: CN201145167Y
Application number: CNU2007200093251U
Authority: CN
Inventors: 朱志明
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-28
Filing date: 2007-12-28
Publication date: 2008-11-05
Anticipated expiration: 2017-12-28

Abstract

The utility model relates to a high-power LED integral type ventilating waterproof radiating street lamp, comprising an upper cover body, a lower cover body, a radiating fin, a metal PCB plate and an LED light source group. The upper cover body and the lower cover body are buckled to form a lamp body; the lamp body is fixed on the lamp pole; the radiating fin is fixed on the upper surface of a bearing platform integrally molded with the lower cover body; the metal PCB plate and the LED light source group are fixed on and in direct contact with the lower surface of the bearing platform; an outer cover of the metal PCB plate and the LED light source group is provided with a transparent lampshade. In addition, two sides of the lateral edge of the lower cover body are provided with at least one waterproof ventilating hole. The utility model has the advantages that: the street lamp is good in ventilating waterproof structure and radiating effect, large in radiating exchange area, and good in the conduction and ventilation of the whole structure; a radiating body inside a shell cannot be corroded by rainwater; ventilation is difficult to form dirt; the appearance design of the shell is fluent in lines; the surface of the shell is difficult to accumulate water or dust to form dirt.

Description

A kind of monoblock type ventilation water-proof radiator street lamp of great power LED

Technical field

The utility model relates to the reasonably optimizing application of the radiator structure of high-power LED street lamp, particularly the structure of the chronicity safety assurance of high-power LED street lamp heat radiation function.A kind of monoblock type ventilation waterproof cooling lamp post structure of great power LED specifically.

Background technology

Present LED large power road lamp, because the semiconductor LED high-power illumination is when power reaches a certain amount of, heat dissipation problem is difficult to solve, existing LED street lamp, the most radiator that adopts of its heat abstractor dispels the heat, its structure such as Fig. 5, comprise: upper cover body, lower cover, fin, pcb board and led light source group, on, lower cover fastens and forms lamp body, described lamp body is fixed on the lamp stand, described fin, pcb board and led light source group are fixed on the cushion cap 9, cushion cap 9 is locked on the lower cover, said structure is adopting a large amount of air vents to come the radiator ventilation and heat to guarantee good heat exchange on the lid up and down in order to guarantee the heat dissipation ventilation effect of radiator mostly.Solve the problem of temperature rise of high-power LED street lamp from the mode structure.But its shortcoming is: because a large amount of air vents of offering on the housing especially when air vent on the upper cover body causes in circulation of air, because the environment of street lamp is open-air work down, are under dust rainwater and the salt fog illumination for a long time.Thereby the radiator surface easily forms dirt causes the heat dissipation decay from making service behaviour and the life-span that has influence on street lamp.

Summary of the invention

The purpose of this utility model provides a kind of monoblock type ventilation waterproof cooling street lamp of great power LED, on overall structure, make full use of the wiring board that whole housing of aluminium alloy and light pole be connected with the led light source circuit and the whole combination of radiating piece thereof, allow whole lamp body and lamp stand become one to make full use of housing to contact with air and exchange heat radiation with lamp stand.

To achieve these goals, solution of the present utility model is:

A kind of monoblock type ventilation waterproof cooling street lamp of great power LED, comprise upper cover body, lower cover, fin, metal pcb board and led light source group, upper and lower cover body fastens and forms lamp body, described lamp body is fixed on the lamp stand, described fin is fixed on and the integrated cushion cap upper surface of lower cover, the lower surface that metal pcb board and led light source group are fixed on cushion cap is in direct contact with it, metal pcb board and led light source group are covered with transparent PC lampshade outward, in addition, described lower cover side offers at least one water-proof type air vent along both sides.

Described cushion cap height is higher than the height of water-proof type air vent on the lower cover, and described loam cake side is along offering at least one waterproof air vent.

Described upper and lower cover side is along being semicircular arc, and the waterproof air vent on the upper and lower cover is vertically disposed one group of mounting hole.

High-power LED street lamp of the present utility model has the ventilation waterproof structure good heat dissipation effect, and the heat radiation exchange area is big, and the overall structure conduction is ventilated.The enclosure interior radiator does not have rain erosion, ventilate to be difficult for constitutes dirt, and the lines flow smoothly that the surface is difficult for that shape ponding adheres to dust forms dirt for the housing exterior design.Integral heat sink is respond well reliable, and light path design is simple, and assembling is installed and is easy to advantage.

Description of drawings

Fig. 1 is the three-dimensional exploded view one of the utility model embodiment;

Fig. 2 is the three-dimensional exploded view two of the utility model embodiment;

Fig. 3 is the floor map of the utility model embodiment;

Fig. 4 is the mounting structure schematic diagram of the utility model embodiment;

Fig. 5 is the utility model prior art constructions schematic diagram.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

As Fig. 1--shown in Figure 4, a kind of monoblock type ventilation waterproof cooling street lamp of great power LED, comprise upper cover body 1, lower cover 2, fin 3, metal pcb board 4 and led light source group 5, on, lower cover fastens and forms lamp body, described lamp body is fixed on the lamp stand 6, described fin 3 is fixed on and lower cover 2 integrated cushion cap 21 upper surfaces, the lower surface that metal pcb board 4 and led light source group 5 directly are fixed on cushion cap 21 is in direct contact with it, be covered with transparent PC lampshade 7 outside metal pcb board 4 and the led light source group 5, described lower cover 2 sides offer at least one water-proof type air vent 8 along both sides.Described cushion cap height is higher than the height of water-proof type air vent on the lower cover, guarantees that water can not drench on cushion cap through anti-water hole, and in implementation process, described loam cake side is along also offering at least one waterproof air vent 8, and is better to guarantee ventilation effect.Described upper and lower cover side is along making semicircular arc, and the waterproof air vent on the upper and lower cover is vertically disposed one group of mounting hole, and it is better with the thermal conductivity that guarantees lid vertically to offer the waterproof air vent.

During installation, the metal pcb board that radiating piece is connected with led light source group circuit is mounted on the integrated cushion cap of lamp body lower house with aluminium alloy jointly, the main body of radiating piece is the metallic aluminium alloy, be fixed on the aluminium alloy cushion cap upper surface, led light source group and metal PCB are on aluminium alloy cushion cap lower surface.It is led light source group and metal PCB dustproof and waterproof that plastic, transparent PC lampshade is arranged outside led light source group and metal PCB and aluminium alloy lamp body shell, to behind the upper and lower cover fastening street lamp be installed on the lamp stand, high-power LED street lamp of the present utility model has the ventilation waterproof structure good heat dissipation effect, the heat radiation exchange area is big, and the overall structure conduction is ventilated.The enclosure interior radiator does not have rain erosion, ventilate to be difficult for constitutes dirt, and the lines flow smoothly that the surface is difficult for that shape ponding adheres to dirt dust forms dirt for the housing exterior design.Integral heat sink is respond well reliable, and light path design is simple, and assembling is installed and is easy to advantage.Monoblock type ventilation waterproof cooling structure high-power LED street lamp makes full use of the metal pcb board that whole housing of aluminium alloy and light pole be connected with the led light source circuit and the whole combination of radiating piece thereof on overall structure.Allow whole lamp body shell and lamp stand become one to make full use of housing to contact with air and exchange heat radiation with lamp stand.Thereby so just noting be used in the housing radiator top and side housing parts opens air vent assurance housing inner drying and does not have rainwater and enter.And utilize unique upper and lower covers integrated structure to open part water-proof type air vent along both sides in following its case side.Be difficult for laying dust dust rainwater with regard to the heat radiation that makes full use of the whole housing of smooth type arc body like this and form dirt, and housing is connected with the efficient integral of connecting rod and plays certain heat conducting and radiating function.And the radiator of enclosure interior can allow at the waterproof air vent of housing both sides because link to each other with whole housing and exchanges outside the hot-air and housing in the housing.So because radiator is not subjected to the erosion of rainwater just can guarantee the good long term heat sinking function in the housing.

Claims

1, a kind of monoblock type ventilation waterproof cooling street lamp of great power LED, comprise upper cover body, lower cover, fin, metal pcb board and led light source group, upper and lower cover body fastens and forms lamp body, described lamp body is fixed on the lamp stand, it is characterized in that: described fin is fixed on and the integrated cushion cap upper surface of lower cover, the lower surface that metal pcb board and led light source group are fixed on cushion cap is in direct contact with it, metal pcb board and led light source group are covered with transparent PC lampshade outward, in addition, described lower cover side offers at least one water-proof type air vent along both sides.

2, the monoblock type ventilation waterproof cooling street lamp of a kind of great power LED as claimed in claim 1, it is characterized in that: described cushion cap height is higher than the height of water-proof type air vent on the lower cover, and described loam cake side is along offering at least one waterproof air vent.

3, the monoblock type ventilation waterproof cooling street lamp of a kind of great power LED as claimed in claim 1 or 2 is characterized in that: described upper and lower cover side is along being semicircular arc, and the waterproof air vent on the upper and lower cover is vertically disposed one group of mounting hole.