CN201289050Y

CN201289050Y - High-light LED illumination tube

Info

Publication number: CN201289050Y
Application number: CNU2008201346882U
Authority: CN
Inventors: 刘耀汉
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-05
Filing date: 2008-09-05
Publication date: 2009-08-12
Anticipated expiration: 2018-09-05

Abstract

The utility model discloses a highlight LED (Light Emitting Diode) illumination light tube, comprising an LED subassembly installed on a PCB (Printed Circuit Board) board; the PCB board is installed inside a heat dissipation frame; both ends of the heat dissipation frame are respectively provided with a lamp cap; the PCB board is connected with the electrode leg of the lamp cap via conducting wires; the housing of the LED subassembly is provided with an optical lens, the optical lens is external provided with flameproof glass that packages the optical lens inside the heat dissipation frame; the optical lens has a plane surface and a curved surface, and the plane surface faces to the LED subassembly and is vertical to the luminescence direction of the LED subassembly. The high-power highlight LED illumination light tube in the utility model has high light efficiency, uniform luminescence, flexible brightness, no irritation for eyes, good heat dispersion and fireproof performance, thereby being a high-efficient, energy-saving and environmentally-friendly LED product.

Description

High light LED illumination light pipe

[technical field]

The utility model relates to a kind of lighting device, and is particularly a kind of with the illumination light pipe of a plurality of LED as illuminating source.

[background technology]

LED illumination is a kind of green lighting technique of energy-saving and environmental protection, and LED is with its intrinsic characteristics, as security is good, volume is little, power saving, life-span length, vibration resistance, response speed soon, characteristics such as cold light source, be widely used in the lighting field of indoor and outdoor.LED is directed luminous spot light, they have higher efficient than the light fixture based on omnidirectional's light source usually, and continuous development along with the LED technology, its luminous efficiency further improves, special under the background of global energy shortage, LED illumination obtains popularization more widely, in our daily life everywhere as seen.Led light source can produce similar fluorescent lamp on the structure the illumination light pipe, the existing high light LED illumination light pipe that adopts LED as lighting source, there is the bad problem of LED printing opacity cover light transmission in it, a lot of light that LED sends are absorbed after penetrating by this printing opacity cover and have lost, luminous flux is little, influenced the luminosity of LED light pipe, and LED is dazzling through the light that this kind printing opacity cover penetrates, irradiated area luminosity is inhomogeneous.On the other hand, existing LED light pipe does not have fire-proof function, can't use in the higher place of fire protection requirements such as subway, tunnel.

[utility model content]

The purpose of this utility model is: improve above-mentioned weak point of the prior art, provide a kind of and send more light, have the high light LED illumination light pipe of higher energy efficiency, its luminosity is even, and light is soft, not dazzling, and have excellent fireproof performance.

The technical solution of the utility model is achieved in that a kind of high smooth LED illumination light pipe, it comprises the LED assembly that is arranged on the pcb board, wherein, pcb board places in the heat-dissipating frame, the heat-dissipating frame two ends are respectively arranged with lamp holder, and pcb board is connected with electrode pin on the lamp holder by lead, and the LED assembly is covered with the optical lens of divergent light source outward, optical lens is provided with flame resistant glass outward, flame resistant glass with optical lens package in heat-dissipating frame;

In the above-mentioned high light LED illumination light pipe, described optical lens is that one side is the plane, and another side is a curved surface, and plane one side is towards LED assembly and vertical with LED assembly light emission direction;

In the above-mentioned high light LED illumination light pipe, described heat-dissipating frame inner surface is provided with fin;

In the above-mentioned high light LED illumination light pipe, described lamp holder is made by the high temperature fire proofing material;

In the above-mentioned high light LED illumination light pipe, described flame resistant glass is a safety glass.

Than existing high light LED illumination light pipe, the beneficial effects of the utility model are: led light source sees through cylindrical lens and obtains high-intensity wire field of illumination, reaches desirable light distribution, makes illumination even, luminosity is softer, can not cause dazzling sensation to the people; More can effectively utilize led light source, according to the principle of optical reflection and refraction, the lighting angle of cooperated with LED comes out these light uniformly, has avoided the light source loss; The design of heat-dissipating frame and frame inner surface fin has increased area of dissipation effectively, has improved heat dispersion; Thermal conductive silicon film under the pcb board has prolonged the life-span of LED; The lamp holder that the high temperature fire proofing material is made and the employing of safety glass make the illumination light pipe be equipped with fire-proof function.

[description of drawings]

Describe structure of the present utility model in detail below in conjunction with accompanying drawing

Fig. 1 is the decomposition texture schematic diagram of the high-power high light LED illumination light pipe of the utility model

Fig. 2 is the enlarged drawing at A place as shown in Figure 1

Fig. 3 is the optical lens schematic diagram among another embodiment

Among the figure: 100, LED assembly; 200, pcb board; 300, cylindrical lens; 301, location wing; 400, safety glass; 500, heat-dissipating frame; 501, flanging; 502, fin; 600, lamp holder; 700, electrode pin; 800, groove face.

[specific embodiment]

As Fig. 1, Fig. 2, the monnolithic case of the high-power high light LED illumination light pipe in the present embodiment is square straight tube, the illuminating source of illumination light pipe is mounted in the LED assembly 100 on the pcb board 200, LED assembly 100 is a plurality of intensive LED that are arranged on the pcb board 200, and these LED vertically are installed on the pcb board 200; Pcb board 200 is fixed in down in " Qian " shape aluminium heat-dissipating frame 500, falling the two ends of " Qian " shape aluminium heat-dissipating frame 500 is nested into respectively in the plastic cement lamp holder of being made by the high temperature fire proofing material 600, and LED assembly 100 is towards falling the opening end of " Qian " shape aluminium heat-dissipating frame 500; The opening end of heat-dissipating frame 500 is provided with the flanging 501 that bends inwards, one dull and stereotyped safety glass 400 inserts in the heat-dissipating frame 500 and is arranged on the flanging 501, the two ends of safety glass 400 also are nested in the lamp holder 600, thus, heat-dissipating frame 500, safety glass 400 and two lamp holders 600 constitute a confined space; In this confined space, between LED assembly 100 and safety glass 400, also be provided with an optical lens, optical lens in the present embodiment is a cylindrical lens 300, the one side of this cylindrical lens 300 is the plane, another side is a cylinder, the plane of cylindrical lens 300 is towards LED assembly 200, the cylinder of cylindrical lens 300 is towards safety glass 400, the both sides of cylindrical lens 300 are provided with location wing 301, location wing 301 is arranged in the heat-dissipating frame 500, with

assurance LED assembly

200 and 300 of cylindrical lenses enough spaces are arranged, and avoid cylindrical lens 300 phenomenon of swing to occur." Qian " shape aluminium heat-dissipating frame 500 inner surfaces that fall also are provided with the fin 502 of many inclinations, further increase area of dissipation, improve the integral heat sink performance of illumination light pipe.Pcb board also can be provided with the high thermal conductive silicon film (not shown) of thermal conductivity factor for 200 times, to prolong the life-span of LED.Pcb board 200 is connected with electrode pin 700 on the lamp holder 600 by lead, and electrode pin 700 exposes to lamp holder 600; Lamp holder 600 is square commentaries on classics circular configuration, promptly an end that is connected with safety glass 400 with heat-dissipating frame 500 is square, one end of exposed electrode pin 700 is circular, and this structure makes the illumination light pipe be convenient to install, and can directly be installed on the bearing of traditional fluorescent lamp tube.

The high-power high light LED illumination light pipe of this square straight pipe type is only luminous towards one side, it utilizes spot light to see through the characteristic that can obtain high-intensity wire field of illumination behind the cylindrical lens 300, make the plane of the light vertical incidence cylindrical lens 300 that vertically arranged LED assembly 100 sends, make the light scattering after the cylinder refraction through cylindrical lens 300 again, its light efficiency height, luminosity is even, soft, does not hinder eye; The radiating mode that cooperates high light LED illumination light pipe uniqueness has again prolonged life-span of LED; Also have the design of fire proof construction, this novel high light LED illumination light pipe can be used in the higher place of fire protection requirements such as subway, tunnel, efficient, energy-conservation, the safety of having accomplished really that the LED product uses, environmental protection.

Be the schematic diagram of optical lens among another embodiment as shown in Figure 3, the inner surface of this optical lens is the plane, another side is the groove shape, and behind the plane of the light vertical incidence optical lens that LED assembly 100 sends, reflection and the refraction through groove face 800 makes light disperse out uniformly again.

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; the curved surface (wave or ladder etc.) that for example cylinder of cylindrical lens is replaced to other and have the efficiency light rate, light source is disperseed; 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, a kind of high smooth LED illumination light pipe, comprise the LED assembly that is arranged on the pcb board, it is characterized in that: pcb board places in the heat-dissipating frame, the heat-dissipating frame two ends are respectively arranged with lamp holder, pcb board is connected with electrode pin on the lamp holder by lead, the LED assembly is covered with the optical lens of divergent light source outward, and optical lens is provided with flame resistant glass outward, flame resistant glass with optical lens package in heat-dissipating frame.

2, high light LED illumination light pipe according to claim 1, it is characterized in that: optical lens is that one side is the plane, and another side is a curved surface, and plane one side is towards LED assembly and vertical with LED assembly light emission direction.

3, high light LED illumination light pipe according to claim 1, it is characterized in that: described heat-dissipating frame inner surface is provided with fin.

4, high light LED illumination light pipe according to claim 1, it is characterized in that: described lamp holder is made by the high temperature fire proofing material.

5, high light LED illumination light pipe according to claim 1, it is characterized in that: described flame resistant glass is a safety glass.