CN101672464B

CN101672464B - LED lamp

Info

Publication number: CN101672464B
Application number: CN200810304412A
Authority: CN
Inventors: 张文祥
Original assignee: Hong Jun Precision Industry Co ltd; Fuzhun Precision Industry Shenzhen Co Ltd
Current assignee: QUANYIDA TECHNOLOGY (FOSHAN) Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2008-09-08
Filing date: 2008-09-08
Publication date: 2012-10-10
Anticipated expiration: 2028-09-08
Also published as: CN101672464A

Abstract

The invention relates to a light-emitting diode (LED) lamp comprising an LED module and a heat radiator for the LED module to patch as well as a shell. The shell comprises a top cover and a bottom cover fixed on the top cover; the heat radiator is contained and fixed in the bottom cover; a waterproof washer is clamped between the bottom cover and the heat radiator; and the LED module is sealed in the shell by the heat radiator, the bottom cover and the top cover. Compared with the prior art, the LED module is fully sealed in a space enclosed by the top cover and the bottom cover, and the waterproof washer is clamped between the heat radiator and the bottom cover of the shell while the communication of the heat radiator and the exterior of the shell is ensured so that rainwater is prevented from flowing into the shell through the heat radiator, and the tightness of the LED lamp is effectively ensured.

Description

Led lamp

Technical field

The present invention relates to a kind of led lamp, be meant a kind of led lamp especially with radiator structure.

Background technology

Light emitting diode has many characteristics such as environmental protection, brightness height, power saving, life-span length and is applied to various fields widely as a kind of light emitting source efficiently.But its led lamp can produce heat during light emitting diode work, more particularly is used for the powerful led lamp of long-time illumination.If heat can not get distributing timely, be prone to produce superheating phenomenon, thereby damage led lamp.

Usually, it is dispelled the heat, again light emitting diode and radiator are arranged in the lampshade at the LED surface of the light fixture radiator that is sticked.Yet, the quick heat radiating because radiator need be communicated with ambient atmosphere, so; Radiator and light emitting diode are not that sealing is arranged in the lampshade; When light fixture uses out of doors, run into the rainy day rainwater and be easy to flow to light emitting diode, so that there is the danger of electric leakage in light fixture owing to effective waterproof when using in the rainy day through radiator; Shorten the service life of light fixture, the scope of application of light fixture is restricted.

Summary of the invention

In view of this, be necessary to provide a kind of radiating effect performance and seal led lamp preferably.

One led lamp; The radiator that comprises light emitting diode module and supply said light emitting diode module to be sticked; Also comprise a housing, said housing comprises a top cover and a bottom of fixing with top cover, and said radiator is accommodated and be fixed in the bottom; Folder is established a waterproof washer between said bottom and the radiator, and radiator and bottom, top cover are sealed in light emitting diode module in the housing jointly.

Compared with prior art; In the space that light emitting diode module of the present invention is sealed in top cover and bottom fully and is enclosed; And when guaranteeing that radiator and the housing external world is communicated with; In between the bottom of radiator and housing, press from both sides the water cushion circle of setting up defences, prevent that rainwater from radiator flows into housing, effectively guaranteeing the sealing of led lamp.

With reference to the accompanying drawings, in conjunction with specific embodiment the present invention is done further description.

Description of drawings

Fig. 1 is the three-dimensional exploded view of led lamp of the present invention.

Fig. 2 is the three-dimensional exploded view of another angle among Fig. 1.

Fig. 3 is the three-dimensional assembly diagram of Fig. 1.

Fig. 4 is the three-dimensional assembly diagram of Fig. 2.

The specific embodiment

To shown in Figure 4, led lamp of the present invention comprises a housing 10 and is contained in light emitting diode module 20, radiator 30, reflector 40 and the power drives module 60 in the housing 10 like Fig. 1.

Housing 10 comprise a top cover 12 and with a bottom 14 of top cover 12 corresponding settings.Top cover 12 profiles are the wooden dipper shape; The periphery of its sidewall is interval with the installing hole of fixing with bottom 14 120; Top cover 12 central authorities establish a rectangular aperture 122; Top cover 12 corresponding openings 122 belows are provided with the fixed leg 124 that is used for fixing power drives module 60, and the bottom centre of top cover 12 is provided with a through hole 126, for water joint 128 empty in the installing one.This water joint 128 is used to accommodate from power drives module 60 extended electric wires (figure does not show) and prevents that rainwater from getting into housing 10.The corresponding opening 122 of the inner surface of top cover 12 lens 16 that are sticked.The transparent or semitransparent material of lens 16 usefulness is processed, and like glass etc., thereby makes the light transmission lens 16 that come from reflector 40 reflections.Lens 16 are rectangular shape, and its size is suitable with opening 122 sizes of top cover 12, thereby just are close to the inner surface of top cover 12, place each element such as light emitting diode module 20 and reflector 40 etc. in the housing 10 in order to protection.

The profile of bottom 14 and top cover 12 corresponding settings; Comprise and the corresponding wooden dipper shape of the profile of top cover 12 body 140; Said body 140 is provided with screw 1400 near the edge corresponding to the installing hole 120 of top cover 12, supplies screw (figure does not show) thereby pass bottom 14 and top cover 12 are fixed on one.One rectangle uncovered 1402 is arranged on body 140 tops; One rectangle port 1404 be located at uncovered 1402 under; Vertically extend ring-type flanging 142 around uncovered 1402 by body 140 towards top cover 12; Said flanging 142 edges are provided with and are used for fixing radiator 30 plurality of fixed hole 1420 on it, and the body 140 that centers on port 1404 also is interval with plurality of holes 1406.Size covers port 1404 and is installed in body 140 belows with port 1404 corresponding rectangle bonnets 146, and the Si Jiaochu of bonnet 146 is provided with aperture 1460, supplies screw (figure is mark) to pass and bonnet 146 is fixed on the below of body 140.

Light emitting diode module 20 comprises the some rectangular circuit board 22 and some light emitting diodes 24 that evenly are installed on the circuit board 22 that are attached at side by side on radiator 30 bottom surfaces.

Radiator 30 is crushed to by the good aluminium one of heat conductivility, comprises a base 32 and the some fin 34 that vertically extend from base 32.Base 32 is rectangular, and its edge, four limits is provided with aperture 320, and said fin 34 is towards bottom 14, and base 12 is provided with towards top cover 12.

Reflector 40 is rectangular, between light emitting diode module 20 and lens 16.Reflector 40 4 limits keep to the side and offer at interval plurality of fixed hole 400, pass and screw togather reflector 40 is fixed on the base 32 of radiator 30 with the hole 320 of the base 32 of radiator 30 for screw.The outer surface of reflector 40 is a reflective surface, scribbles one deck reflectorized material on it, thereby the light that light emitting diode module 20 is sent can be reflexed to outside the housing 10 by the outer surface of reflector 40.

Waterproof washer 50, rectangular ring-type is between radiator 30 and bottom 14.The frame of waterproof washer 50 is provided with the screw 510 that supplies screw to pass.

During assembling; Screw pass in order the flanging 142 of bottom 14 fixing hole 1420, waterproof washer 50 screw 510 and be screwed in the aperture 320 of radiator 30 bases 32; The base 32 of radiator 30 is fixed on the flanging 142 of bottom 14; Fin 34 is contained in the space that flanging 142 surrounded; Its end face is lower than the end face of bottom 14 and directly contacts with outside air accelerates heat radiation, between the base 32 that waterproof washer 50 is clamped at radiator 30 and the flanging 142 of bottom 14, and the sealing of reinforcement led lamp; Avoid between the flanging 142 of radiator 30 bases 32 and bottom 14 influencing the operate as normal of light emitting diode module 20 owing to existing the gap that liquid is flowed into.Again light emitting diode module 20 is attached on the base 32 of radiator 30; Screw passes the fixing hole 400 of reflector 40 in order and is screwed in the aperture 320 of radiator 30 bases 32; Reflector 40 is fixed on radiator 30 bases 32, and light emitting diode module 20 is located between radiator 30 bases 32 and the reflector 40.Power drives module 60 is contained in top cover 12 belows and is fixed on it with fixed leg 124 on the top cover 12, and screw passes the aperture 1460 of the bonnet 146 that is attached at top cover 12 belows and is screwed on the top cover 12, and bonnet 146 is fixed on the top cover 12.Last fixture (figure does not show) passes the screw 1400 of bottom 14 and is screwed in the installing hole 120 of top cover 12 edges, with top cover 12 and the bottom 14 formation housing 10 that combines to be fixed as one.

During use, the light that light emitting diode module 20 is sent reflexes to outside the housing 10 through reflector 40 outer surfaces, lens 16, and the heat that light emitting diode module 20 produces is dispersed in the ambient atmosphere by the fin 34 of radiator 30.

Among the present invention, radiator 30 integral body are contained in the bottom 14 of housing 10 and light emitting diode module 20 heat radiations to being sticked on it, and compact conformation occupies little space; Be provided with waterproof washer 50 between radiator 30 and the light emitting diode module 20 simultaneously; Guarantee the sealing of led lamp; Prevent that effectively the gap that rainwater passes through between radiator 30 and the bottom 14 from infiltrating in the housing 10; Light emitting diode module 20 is impacted, guarantee the light emitting diode module light fixture in the rainy day operate as normal, applied widely.

Claims

1. a led lamp; The radiator that comprises light emitting diode module and supply said light emitting diode module to be sticked; It is characterized in that: also comprise a housing; Said housing comprise a top cover and with the fixing bottom of top cover, said housing bottom extends flanging towards said top cover, said radiator is housed in the space that flanging surrounds and fixes on it; Folder is established a waterproof washer between the flanging of said bottom and the radiator, and radiator and bottom, top cover are sealed in light emitting diode module in the housing jointly.

2. led lamp as claimed in claim 1 is characterized in that: said bottom comprises the body that a shape is corresponding with top cover, and it is one uncovered that said body is established, and said flanging is extended towards top cover by bottom along uncovered edge.

3. led lamp as claimed in claim 1; It is characterized in that: said radiator comprises one in order to base that said light emitting diode module is installed and the some fin that extended by base; Said base is fixed on the flanging of bottom; Said fin is surrounded by said flanging and heat sink top surface is lower than the bottom end face and contacts with the external world, and said waterproof washer is folded between the flanging of base and bottom of radiator.

4. led lamp as claimed in claim 3 is characterized in that: said top cover is provided with an opening of corresponding said light emitting diode module, and lens are installed on the said opening.

5. led lamp as claimed in claim 4 is characterized in that: a reflector is installed on the base of radiator and between light emitting diode module and lens.

6. led lamp as claimed in claim 1 is characterized in that: the sidewall of said top cover is equiped with water joint empty in, is used to accommodate be arranged at the extended electric wire of a power drives module in the housing and prevent that rainwater from getting into housing.

7. led lamp as claimed in claim 6 is characterized in that: said bottom comprises the bonnet that is used for hiding the power drives module mounted thereto.

8. led lamp as claimed in claim 7 is characterized in that: said top cover is provided with power supply source driving module and fixes the fixed leg on it.