CN201232909Y

CN201232909Y - High power LED illumination street lamp

Info

Publication number: CN201232909Y
Application number: CNU2008201620444U
Authority: CN
Inventors: 沈铁
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-31
Filing date: 2008-07-31
Publication date: 2009-05-06
Anticipated expiration: 2018-07-31

Abstract

The utility model discloses a high-power LED illuminating street lamp, which relates to the field of illumination. The high-power LED illuminating street lamp comprises a lamp body provided with a power supply room, an illuminant room and an electric appliance room; an electric appliance room cover plate adaptable to the lamp body; and an LED module arranged on the inner bottom of the illuminant room. A transparent screen is assembled at and seals the opening of the illuminant room. Strip-shaped cooling fins parallel with the road are arranged on the back of the lamp body. Compared with the prior art, the utility model has the advantages of simple structure and good illuminating effect. In addition, as the strip-shaped cooling fins are parallel with the road, the heat radiation direction is the same with the airflow direction, and no vortex is formed to cause hot air to stop. In this way, heat is taken away successfully by the flowing air, and the cooling effect is improved.

Description

A kind of high power LED illumination road lamp

Technical field

The utility model relates to the led chip applied technical field, especially relates to a kind of high power LED illumination road lamp.

Background technology

The common power of transitional street lamps is all bigger, the electric energy that it consumed is very huge, in energy-intensive today, brought very big pressure for the consumption of the energy, in actual applications, consider that for economize on electricity the brightness of street lamp is carried out brightness regulation in the different periods, as the dead of night, the pin that street lamp is transferred is dark, though this measure can reduce the consumption of the energy,, very easily damage fluorescent tube because street lamp is worked being lower than under the abnormal operating state of rated power for a long time, make that the replacing frequency of fluorescent tube is too high, increased the maintenance cost of street lamp greatly, and safeguarded very inconvenience because erecting road lamp on electric pole, is changed.

Along with the development of LED technology, because luminous efficiency height that it had is saved advantages such as the energy, LED has been applied to the road lighting field at present, is that 200720089630.6 Chinese utility model patent discloses a kind of high-power LED street lamp as application number.It contains base, cover plate, led light source plate and power board, the outer wall of base contains radiator structure, base and cover plate are fixedly connected, base contains three independently cabin bodies, be respectively light source cabin, electric cabin and installation cabin, be mutually permanently connected between these three cabin bodies and have through hole to communicate, the led light source plate is installed in the light source cabin, its face bonding is equipped with the LED luminous tube of some, power board is installed in the electric cabin, the end that the cabin is installed is provided with a hole that is used to install the lamp stand of street lamp, power line in the lamp stand of street lamp at first enters installs the cabin, power line passes the through hole of installing between cabin and the electric cabin again and is connected with power board, and the through hole that the output line of power board passes again between electric cabin and the light source cabin is connected with the led light source plate.But it also exists radiating effect not good; And light disperses, and influences shortcomings such as illuminating effect.

Summary of the invention

Technical problem to be solved in the utility model is the present situation at prior art, provides a kind of simple and reasonable, a kind of high power LED illumination road lamp of radiating effect and good illumination effect.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of high power LED illumination road lamp, comprise have power supply room, the lamp body of light source chamber and electric apparatus room, with the suitable electric apparatus room cover plate of lamp body; The light source chamber inner bottom part is provided with led module, and the opening part sealing of light source chamber is fitted with translucent cover, and the back of lamp body is provided with the strip radiating fin that parallels with road direction.

In order to obtain better technique effect, further technical measures also comprise:

Above-mentioned strip radiating fin and lamp body are made by rapid heat dissipation and the high aluminium alloy of mechanical strength, and both are cast into integrative-structure.The quantity of above-mentioned strip radiating fin is 20 at least.Preferably, the quantity of above-mentioned strip radiating fin is 41.Be provided with reflection shield in the above-mentioned power supply room, have on the reflection shield with led module on the corresponding hole of number of LED lamp, each LED lamp passes the hole corresponding with it respectively.Above-mentioned electric apparatus room cover plate adopts metal material to make, and is provided with sealing ring between electric apparatus room cover plate and electric apparatus room.Scribble heat-conducting cream between the bottom surface of above-mentioned led module and the lamp body.Be provided with four strip metal reinforcements around the bottom of the light source chamber of above-mentioned lamp body.Above-mentioned electric apparatus room is built-in with constant-flow driver, and this constant-flow driver is electrically connected led module.LED lamp design on the above-mentioned led module has the guiding of three kinds of different angles light that can shine near ground, middle distance ground and remote ground respectively.

Compared with prior art, the utility model comprise have power supply room, the lamp body of light source chamber and electric apparatus room, with the suitable electric apparatus room cover plate of lamp body; The light source chamber inner bottom part is provided with led module, and the opening part sealing of light source chamber is fitted with translucent cover, and the back of lamp body is provided with the strip radiating fin that parallels with road direction.Because the strip radiating fin parallels with road direction, the lamp body distribute heat is consistent with airflow direction, can not cause hot gas to be detained because of air-flow forms eddy current, and then take away heat smoothly by airflow flowing, has improved the effect of heat radiation.

Description of drawings

Fig. 1 is the schematic top plan view of the utility model embodiment;

Fig. 2 is the generalized section at the A-A place among Fig. 1.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Fig. 1 is to shown in Figure 2, a kind of high power LED illumination road lamp, comprise have power supply room 1a, the lamp body 1 of light source chamber 1b and electric apparatus room 1c, with the suitable electric apparatus room cover plate 5 of lamp body 1; Light source chamber 1b inner bottom part is provided with led module 2, and the opening part sealing of light source chamber 1b is fitted with translucent cover 4, and the back of lamp body 1 is provided with the strip radiating fin 11 that parallels with road direction.Because strip radiating fin 11 parallels with road direction, lamp body 1 distribute heat is consistent with airflow direction, can not cause hot gas to be detained because of air-flow forms eddy current, and then take away heat smoothly by airflow flowing, with the fastest speed heat is taken away, improved the effect of heat radiation.

Strip radiating fin 11 and lamp body 1 are made by rapid heat dissipation and the high aluminium alloy of mechanical strength, and both are cast into integrative-structure.Because the mechanical strength height of aluminium alloy, therefore, that the thickness of strip radiating fin 11 can be done is thinner, more help scattering and disappearing of heat, simultaneously, strip radiating fin 11 and lamp body 1 are cast into integrative-structure the heat that lamp body 1 is absorbed can be passed to strip radiating fin 11 rapidly, thereby realize by the rapid purpose of dispelling the heat in the back of exposed aerial strip radiating fin 11 and lamp body 1.

The quantity of strip radiating fin 11 is 41.Increase the total surface area of strip radiating fin 11 greatly and can not influence circulation of air in the passage between the strip radiating fin 11, improved radiating efficiency.

Be provided with reflection shield 3 in the power supply room 1a, have on the reflection shield 3 with led module 2 on the corresponding hole 3a of number of LED lamp 21, each LED lamp 21 passes the hole 3a corresponding with it respectively.The reflection shield 3 that is provided with makes illumination efficiency higher, and illuminating effect is better.

Electric apparatus room

1c cover plate 5 adopts metal material to make, and is provided with sealing ring between electric apparatus room cover plate 5 and electric apparatus room 1c.Adopt this structure, good sealing effect can effectively play the effect of waterproof and dustproof, and easy for installation simple and direct.

In order further to improve the effect of heat radiation, scribble heat-conducting cream between the bottom surface of led module 2 and the lamp body 1.

Be provided with four strip metal reinforcements around the bottom of the light source chamber 1b of lamp body 1.Not only strengthened the overall performance and the mechanical strength of present embodiment, and metal reinforcing has capacity of heat transmission preferably.

Electric apparatus room 1c is built-in with constant-flow driver 6, and this constant-flow driver 6 is electrically connected led module 2.The slight disturbance of constant voltage driver seal driving voltage all can cause the shortcoming that changes significantly of lumen fraction relatively, and the LED that adopts constant current to drive is much smaller by the disturbing influence of drive current.

For cover width and the road surface that makes the light that each LED lamp sends matches, improve the effect of illumination, the LED lamp design on the led module 2 has the guiding of three kinds of different angles light that can shine near ground, middle distance ground and remote ground respectively.

Though the utility model illustrates and describes by the reference preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.

Claims

1, a kind of high power LED illumination road lamp comprises the lamp body (1) of have power supply room (1a), light source chamber (1b) and electric apparatus room (1c), with the suitable electric apparatus room cover plate (5) of described lamp body (1); Described light source chamber (1b) inner bottom part is provided with led module (2), and the opening part sealing of described light source chamber (1b) is fitted with translucent cover (4), and it is characterized in that: the back of described lamp body (1) is provided with the strip radiating fin (11) that parallels with road direction.

2, a kind of high power LED illumination road lamp according to claim 1 is characterized in that: described strip radiating fin (11) and described lamp body (1) are made by rapid heat dissipation and the high aluminium alloy of mechanical strength, and both are cast into integrative-structure.

3, a kind of high power LED illumination road lamp according to claim 2 is characterized in that: the quantity of described strip radiating fin (11) is 20 at least.

4, a kind of high power LED illumination road lamp according to claim 3 is characterized in that: the quantity of described strip radiating fin (11) is 41.

5, a kind of high power LED illumination road lamp according to claim 2, it is characterized in that: be provided with reflection shield (3) in the described power supply room (1a), have on the described reflection shield (3) with described led module (2) on the corresponding hole of number (3a) of LED lamp (21), each described LED lamp (21) passes the described hole (3a) corresponding with it respectively.

6, a kind of high power LED illumination road lamp according to claim 5 is characterized in that: described electric apparatus room (1c) cover plate (5) adopts metal material to make, and is provided with sealing ring between described electric apparatus room cover plate (5) and described electric apparatus room (1c).

7, a kind of high power LED illumination road lamp according to claim 6 is characterized in that: scribble heat-conducting cream between the bottom surface of described led module (2) and the described lamp body (1).

8, a kind of high power LED illumination road lamp according to claim 7 is characterized in that: be provided with four strip metal reinforcements around the bottom of the light source chamber (1b) of described lamp body (1).

9, a kind of high power LED illumination road lamp according to claim 8 is characterized in that: described electric apparatus room (1c) is built-in with constant-flow driver (6), and this constant-flow driver (6) is electrically connected described led module (2).