CN101813246A

CN101813246A - Led illuminating lamp

Info

Publication number: CN101813246A
Application number: CN200910046531A
Authority: CN
Inventors: 金松山
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-24
Filing date: 2009-02-24
Publication date: 2010-08-25

Abstract

The invention discloses an LED illuminating lamp, comprising an insulating shell, a heat insulation rack, a column-shaped heat radiator, an LED driving board, LED lamps and a light reflector. The LED illuminating lamp is characterized in that the LED lamps are arranged on the peripheries or the lateral faces of the light reflector, and a plug and a sensor are arranged under the light reflector; and the light reflector is a funneled light reflector and takes the shape that ports of two funneled light reflectors form a whole through abutting joint or a single funneled light reflector. Due to the adoption of the funneled light reflector, the radiation angle of directional light of an LED plane is greatly expanded according to the funneled light reflector principle to reach the range of illumination and radiation of an filament lamp, and simultaneously, double images generated during the illumination of the illuminating lamp formed by combining a plurality of LEDs are destroyed by the funneled light reflector in the angle-degrading mode, or the luminous flux of illumination of the illuminating lamp formed by combining the plurality of LEDs is uniformly distributed in a corresponding illuminated range by adopting a single multi-chip packaged LED module of any specification to finally realize the light effect equivalent to that of the filament lamp, thereby ensuring that the light reflector has the LED illuminating lamp with good angle-degrading reflection and diffused illumination effect to be possible.

Description

The LED illuminating lamp

Technical field

The present invention relates to a kind of LED lighting, particularly a kind of LED illuminating lamp that comprises LED lamp and reflector.

Background technology

The semi-conductor electricity light source is a kind of electric light source that does not have filament, is a kind of luminescent device that directly electric energy is converted into luminous energy, is called light emitting diode, is also referred to as semiconductor lamp, the English LED that is called for short.The LED illumination is considered to the new energy-conserving light source of illumination of 21 century, because under same brightness, LED lamp power consumption only is 1/10 of ordinary incandescent lamp, 1/2 of fluorescent tube, the LED lamp is not only energy-conservation, also have the life-span long, volume is little, safety, environmental protection, characteristics such as non-maintaining, easy to control.The LED lamp has the very big potentiality of alternative traditional lighting light source as the novel illumination light source.Therefore, research and development high-tech, high efficiency, LED light fixture cheaply make it to have extremely important realistic meaning in more traditional lighting field alternate application.

Because the power of single LED lamp is little, brightness is lower, thermal losses is bigger, should not use separately, and a plurality of LED are fitted together, and is designed to practical LED lighting and then has broad application prospects.LED Assembled lamp of the prior art, because of the light direction that sends of LED more intense, when one group of LED lamp all is installed on same plane, the range of exposures of whole LED lamp is smaller, do not reach the incandescent lamp illumination effect, ghost image when one group of LED light irradiation takes place simultaneously influences the uniformity of light distribution.In order to eliminate all size led module that ghost image can adopt single multicore sheet encapsulation, for example the annular LED lamp of central hollow.

Summary of the invention

The technical problem to be solved in the present invention provides a kind of LED illuminating lamp of realizing the light distribution homogenising and enlarging irradiating angle.

For solving the problems of the technologies described above, LED illuminating lamp of the present invention comprises insulation crust, heat insulation, column shape radiator, LED drive plate, LED lamp and reflector, around reflector or side arrangement the LED lamp is arranged, below reflector, be provided with stopper.

Described reflector is a kind of infundibulate reflector, so-called a kind of infundibulate reflector be shaped as a kind of in the following form: a port of two infundibulate reflectors connects and is integral or single infundibulate reflector; Below reflector, be connected with sensor.

Also comprise connecting housing, reflector and optics lampshade, and constitute a space that surrounds described LED lamp and reflector; Have air vent on heat insulation, heart position is provided with fairlead therein.

The cylindrical inboard of described column shape radiator has perforation, in its arranged outside heat transfer plate and fin is arranged; Be provided with the heat radiating type housing at the heat transfer plate end, the heat radiating type housing is provided with fixing hole and fin.

The present invention is owing to adopt the infundibulate reflector, the angle of radiation of LED plane directional light is greatly expanded with infundibulate reflector principle, reach the luminous range of exposures of incandescent lamp, the infundibulate reflector is to pursue the corner reflection mode simultaneously, the ghost image that produces when the illuminating lamp that is made up by several LED shines will be destroyed, or all size led module that adopts single multicore sheet to encapsulate, the luminous flux of the illuminating lamp irradiation of LED combination will be evenly distributed in the corresponding illuminated scope, the final realization is equivalent to the lighting effects of incandescent lamp, becomes possibility thereby make reflector have the good LED lighting by corner reflection and illumination diffusion effect.

Description of drawings

Fig. 1 is the structural scheme of mechanism in the embodiment of the invention;

Fig. 2 is that schematic diagram partly cuts open in the mechanism in the embodiment of the invention;

Fig. 3 is the structural representation of first embodiment of the present invention;

Fig. 4 is the structural representation of second embodiment of the present invention;

Fig. 5 is the upright post type heat spreader structures schematic diagram in the embodiment of the invention.

1.LED lamp among the figure, 2. reflector, 3. stopper, 4. sensor, 5. lamp holder, 6. insulation crust, 7.LED drive plate, 8. heat insulation, 9. air vent, 10. fairlead, 11. upright post type radiators, 12. connect housings, 13. the optics lampshade, 14. reflectors, 15. fins, 16. the heat radiating type housing, 17. fixing holes, 18. heat transfer plates, 19. cylinder, 20. perforation, 21. fin.

The specific embodiment

The present invention is further detailed explanation below in conjunction with accompanying drawing.

Little and the radiation scope of the generation of the present invention's ghost image during for the illuminating lamp irradiation of several LED combination of overcoming prior art and the deficiency of the uniformity and light-illuminating angle is little etc.The invention provides the LED illuminating lamp of a kind of LED of comprising lamp and reflector, demand according to lighting object and luminous flux, become " secondary souce " to produce good lighting effects with the reflector Combination Design several LED lamps, and can on incandescent lamp or other conventional light sockets, directly use easily.

Mechanism among the LED illuminating lamp embodiment of the present invention as depicted in figs. 1 and 2.The side of reflector 2 and arranged around LED lamp 1, the center of this LED lamp 1 is hollow, and reflector 2 is bumped in this hollow the inside.According to the different demands of the lighting angle size of LED light fixture, reflector 2 can adopt the another kind of form of the small-bore butt joint all-in-one-piece of single infundibulate reflector or 2 infundibulate reflectors.

Single infundibulate reflector is suitable on the less LED light fixture of light-illuminating scope.Because the infundibulate reflector from top beginning with curve mode toward below and to form surface be the cambered surface of annular, and light reflects and elimination light ghost image earthward; When curve become straight line and toward below the time, the cambered surface of former annular becomes hollow circular cylinder, reverberation will be to side diffusion; The infundibulate reflector reduces the loss of LED lamp 1 luminous flux fully to reflect the invalid light source of LED lamp 1 side by the corner reflection mode, improved the luminous efficiency of LED lighting; Block with stopper below the reflector of circular cylinder that it is hollow, or be made of one.

In order to eliminate all size led module that ghost image can adopt single multicore sheet encapsulation, for example the annular LED lamp of central hollow.

In order to realize that the illumination scope of penetrating of LED light fixture is equivalent to the angle of radiation of incandescent lamp, below hollow circular cylinder, swing to again and connect an infundibulate reflector, this infundibulate reflector down increases bore gradually with curve mode and forms annular cambered surface, penetrated direction by side diffusion upward gradually by the illumination that this annular cambered surface reflects, its lighting angle is greater than 180 degree, and radiation scope is equivalent to the lighting effects of incandescent lamp.Block with stopper 3 below reflector 2 that it is hollow, or be made of one with reflector 2.Below stopper 3, can be provided with sensor 4, for example light sensor, optical communication receiver or other sensors etc.

Reflector 2 is big by an end opening, one or two compositions of infundibulate reflector that other end opening is little.The side that infundibulate reflector opening is big forms cambered surface, by increasing and decreasing the size of its cambered surface surface area and radian, the luminous flux of accommodation reflex and lighting angle.The opening shape of reflector 2 can be made circular, hollow semicircle, and (hollow semicircular reverberation is only to a side, LED lamp 1 is arranged in the inboard of hollow semicircle reflector), triangle and polygonal so that be satisfied with the demand of the different distributions light shape of different colours light.

The structure of LED illuminating lamp embodiment of the present invention as shown in Figure 3 and Figure 4.In insulation crust 6, LED drive plate 7, lamp holder 5 are connected with heat insulation 8; One column shape radiator 11 is set closely is connected, and be provided with LED lamp 1 in its lower section with heat insulation 8.When the 1 luminous work of LED lamp, produce bigger heat, untimely this heat that loses, light decay takes place in LED lamp 1, will damage LED lamp 1 when serious.In order to guarantee LED lamp 1 operate as normal, LED lamp 1 is fixed on the bottom surface of column shape radiator 11.The heat and the surrounding air of this column shape radiator 11 are carried out free convection and distribute heat, and another part then air vent 9 by heat insulation 8 is dissipated in the air.Air vent 9 according to the watt level of LED illuminating lamp and heat radiation requirement, can be selected enclosed type hole or shaped grooved (base is opened wide) hole or totally-enclosed and not perforate.Be provided with fairlead 10 at heat insulation 8 center.

Reflector 14 that around LED lamp 1, is provided with and the reflector of heart setting therein 2 by by column shape radiator 11, be connected housing 12 and be connected with optics lampshade 13 closures and surround.This optics lampshade 13 can adopt various lampshades such as Transparent lamp shade, optical lens and PC lampshade.

The structure of described column shape radiator 11 as shown in Figure 5.Column shape radiator 11 is made of cylinder 19, fin 21, heat transfer plate 18 and heat radiating type housing 16.In cylinder 19, have perforation 20, so that insert and heat insulation 8 fairlead that links into an integrated entity 10.Vertically be arranged with heat transfer plate 18 and fin 21 in the outside of cylinder 19, be connected with heat radiating type housing 16 on the end of heat transfer plate 18, the heat that makes LED lamp 1 is by cylinder 19 heat conduction, through fin 21 distribute heats.Other one the tunnel is to distribute around in the air by heat transfer plate 18 and heat radiating type housing 16.In heat radiating type housing 16, be provided with fin 15 and fixing hole 17, so that connect heat insulation 8 and be connected the fixing of housing 12.In order further to improve the radiating effect of column shape radiator 11, can go in ring cutting to heat radiating type housing 16 and be divided into several soon, increase its surface area and heat exchange amount.

Claims

1. LED illuminating lamp comprises insulation crust, heat insulation, column shape radiator, LED drive plate, LED lamp and reflector, it is characterized in that, around reflector or side arrangement the LED lamp is arranged, below reflector, be provided with stopper.

2. LED illuminating lamp according to claim 1, it is characterized in that, described reflector is a kind of infundibulate reflector, so-called a kind of infundibulate reflector be shaped as a kind of in the following form: a port of two infundibulate reflectors connects and is integral or single infundibulate reflector; Below reflector, be connected with sensor.

3. LED illuminating lamp according to claim 1 is characterized in that, also comprises connecting housing, reflector and optics lampshade, and constitutes a space that surrounds described LED lamp and reflector.

4. LED illuminating lamp according to claim 1 is characterized in that, has air vent on described heat insulation, and heart position is provided with fairlead therein.

5. LED illuminating lamp according to claim 1 is characterized in that, the cylindrical inboard of described column shape radiator has perforation, in its arranged outside heat transfer plate and fin is arranged; Be provided with the heat radiating type housing at the heat transfer plate end, the heat radiating type housing is provided with fixing hole and fin.