CN202521442U

CN202521442U - Light-emitting diode (LED) down lamp

Info

Publication number: CN202521442U
Application number: CN2012200502216U
Authority: CN
Inventors: 刘荣彬
Original assignee: XIAMEN ZHONGXING SHIXIAN ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: XIAMEN ZHONGXING SHIXIAN ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2012-02-16
Filing date: 2012-02-16
Publication date: 2012-11-07
Anticipated expiration: 2022-02-16

Abstract

The utility model relates to a directional illuminating lamp, and provides a light-emitting diode (LED) down lamp. The LED down lamp is rational in structure, low in cost, long in service life and high in air convection performance and radiation performance, heat accumulated when the LED down lamp emits light can be timely dissipated, and influence on the luminous efficiency of the LED down lamp is avoided. The LED down lamp comprises a lamp cup, an aluminum substrate, an LED lamp bank and metal radiators, wherein the aluminum substrate is arranged in the lamp cup; the LED lamp bank is packaged above the aluminum substrate in the lamp cup; the metal radiators are detachably arranged at one end, which is away from the LED lamp bank, of the aluminum substrate, and are a plurality of radiating fins which are arranged on the aluminum substrate at intervals; and convection grooves are formed in each radiating fin at intervals, and the convection grooves in the radiating fins are aligned.

Description

A kind of LED Down lamp

Technical field

The utility model relates to a kind of directional type lighting, especially relates to a kind of LED Down lamp.

Background technology

The LED Down lamp is a kind of lighting that is embedded into light down-ejection type in the ceiling, is to belong to the directional type lighting, can keep the integral body of building decoration unified and perfect, can not destroy the perfect unity of furred ceiling art because of the setting of light fixture.

Existing LED Down lamp mainly comprises Lamp cup, aluminium base, LED lamp group, metal heat sink and LGP, and said aluminium base is located in the Lamp cup, and said LED lamp group is packaged in the top of said aluminium base in the Lamp cup; Said metal heat sink is removable to be located on aluminium base that free end away from LED lamp group, and said LGP is located at the top of the above LED lamp group of Lamp cup, and the metal heat sink of above-mentioned LED Down lamp is a column; Its periphery is evenly equipped with fin; This heatsink weight is big, the materials cost is high, and the cross-ventilation property of each fin is bad, influences its radiating effect; The heat that the LED lamp that can not in time leave is gathered when luminous; Influence the service life of LED lamp, need frequent repair and replacement during use, cost is high.

The utility model content

Therefore; To above-mentioned problem, the utility model provides a kind of rational in infrastructure, cost is low, cross-ventilation property is good, heat dispersion is good, the LED lamp that can in time leave is gathered when luminous heat, does not influence the LED Down lamp LED lamp efficiency, long service life.

For achieving the above object; The utility model is realized through following technical scheme: a kind of LED Down lamp; Comprise Lamp cup, aluminium base, LED lamp group and metal heat sink, said aluminium base is located in the Lamp cup, and said LED lamp group is packaged in the top of said aluminium base in the Lamp cup; Said metal heat sink is removable to be located on aluminium base that end away from LED lamp group; Said metal heat sink is interval with respectively chute on said each fin for being located at the plural pieces fin on the aluminium base at interval, and chute is alignd each other between said each fin.

Further improvedly be: said Lamp cup inwall is coated with the glass layer of sand.

Further improved: as also to apply the layer of fluorescent powder layer on the said glass layer of sand.

Through adopting the aforementioned techniques scheme; The beneficial effect of the utility model is: the metal heat sink of this New LED Down lamp is for be located at the plural pieces fin on the aluminium base at interval; Fin is in light weight, the materials cost is low, be interval with chute respectively on each fin, and chute is alignd each other between said each fin; Make that this novel metal radiator cross-ventilation property is good; Improve the heat that the heat dispersion of radiator, the LED lamp that can in time leave are gathered when luminous, in the service life that the LED lamp efficiency is good, prolonged the LED lamp, reduced the maintenance cost of LED Down lamp.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment.

Fig. 2 is that the utility model embodiment metal heat sink is located at the structural representation on the aluminium base.

Fig. 3 is the cutaway view of the utility model embodiment Lamp cup.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described further:

Disclose a kind of LED Down lamp like Fig. 1 to Fig. 2 the utility model embodiment, comprise Lamp cup 1, aluminium base 2 and LED lamp group 3 metal heat sinks and LGP 5, wherein:

Said aluminium base 2 is located in the Lamp cup 1; LED lamp group 3 is packaged on the aluminium base 2 in the Lamp cup 1; Said metal heat sink is removable to be located on aluminium base that free end away from LED lamp group 3; Said metal heat sink is at interval being located at 8 fin 4 on the aluminium base, is interval with 3 or 4 or 5 on said each fin 4 respectively to chute 41, and chute 41 is alignd each other between said each fin 4; Wherein said fin 4, can set up or reduce according to actual production the number of chute 41, said LGP 5 be located at the top of Lamp cup 1 the above LED lamp group 3.

The metal heat sink of this New LED Down lamp is for be located at the plural pieces fin on the aluminium base at interval; This fin is in light weight, the materials cost is low; Be interval with respectively on each fin chute; And chute is alignd each other between said each fin makes that this novel metal radiator cross-ventilation property is good, improved the heat that the heat dispersion of radiator, the LED lamp that can in time leave are gathered when luminous; In the service life that the LED lamp efficiency is good, prolonged the LED lamp, reduced the maintenance cost of LED Down lamp.

Like Fig. 3; Said Lamp cup 1 inwall is coated with glass layer of sand 11; Also apply layer of fluorescent powder layer 12 on the said glass layer of sand 11, said glass layer of sand can effectively improve the diffusion rate of light, and said phosphor powder layer can make the light that reflects from the glass layer of sand softer; Make that the light of LED lamp is not dazzling, have evenly softer radiation response.

The above record is merely the embodiment that utilizes this origination techniques content, anyly is familiar with modification, the variation that this creation of this art utilization is done, and all belongs to the claim of this creation opinion, and is not limited to embodiment announcement person.

Claims

1. LED Down lamp; Comprise Lamp cup, aluminium base, LED lamp group and metal heat sink, said aluminium base is located in the Lamp cup, and said LED lamp group is packaged in the top of said aluminium base in the Lamp cup; Said metal heat sink is removable to be located on aluminium base that end away from LED lamp group; It is characterized in that: said metal heat sink is interval with respectively chute on said each fin for being located at the plural pieces fin on the aluminium base at interval, and chute is alignd each other between said each fin.

2. LED Down lamp according to claim 1 is characterized in that: said Lamp cup inwall is coated with the glass layer of sand.

3. LED Down lamp according to claim 2 is characterized in that: also apply the layer of fluorescent powder layer on the said glass layer of sand.