CN203671406U

CN203671406U - Efficient LED spot lamp

Info

Publication number: CN203671406U
Application number: CN201420054402.5U
Authority: CN
Inventors: 萧标颖
Original assignee: SUZHOU GLORY GREEN LIGHTING SYSTEM Corp
Current assignee: SUZHOU GLORY GREEN LIGHTING SYSTEM Corp
Priority date: 2014-01-28
Filing date: 2014-01-28
Publication date: 2014-06-25
Anticipated expiration: 2024-01-28

Abstract

The utility model relates to an efficient LED spot lamp. The efficient LED spot lamp comprises a lamp holder, an LED lamp board, a radiator and a lens, wherein a power supply is mounted in the lamp holder, the LED lamp board is used for supporting integrated and encapsulated LED lamp beads, the radiator has a cavity, the lens is mounted in the cavity, the radiator is mounted on one end of the lamp holder, the lens covers above the LED lamp beads, the radiator comprises side walls around the cavity, and a reflecting layer for reflecting the light reflected or refracted to the cavity through the lens to the lens is sprayed on the inner surface of each side wall of the radiator. The efficient LED spot lamp is small in light loss and convenient for processing.

Description

A kind of efficient LED reflector lamp

Technical field

the utility model relates to a kind of LED shot-light, particularly a kind of efficient LED reflector lamp.

Background technology

in prior art, light that LED shot-light generally sends LED light source by following two kinds of reflecting elements diffusion: first kind of way is to adopt reflector, the inner surface that utilizes reflector by light reflection to shot-light; The second way is to adopt lens, utilizes lens to refract light into outside shot-light.But in above-mentioned two kinds of modes, part light can not reflect or refract to outside shot-light effectively, adopt two kinds of modes all can produce larger light loss, the optical energy utilization efficiency of LED shot-light is lower.And the reflector using on market generally adopts metal machine-shaping or injection molding, and be coated with metal level at its outer surface, its spotlight effect is not as lens, machine-shaping comparatively bother and also cost higher, and have equally part light can not be emitted to outside shot-light, produce larger light loss.

Summary of the invention

for the problems referred to above, the purpose of this utility model is to provide a kind of efficient LED reflector lamp, and its light loss is less, easy to process.

for solving the problems of the technologies described above, the technical solution adopted in the utility model is:

a kind of efficient LED reflector lamp, it comprise inside be provided with the lamp socket of power supply, carry the LED lamp pearl of integration packaging LED lamp plate, have cavity radiator, be arranged at the lens in described cavity, described radiator is installed on one end of lamp socket, described lens cap is located at the top of LED lamp pearl, described radiator has the sidewall of described cavity of encirclement, is coated with one deck reflecting layer for being reflected back lens through reflection from lens or the light that refracts in cavity on the inner surface of described radiator sidewall.

preferably, the thickness in described reflecting layer is 0.02～0.8mm.

preferably, be made up of at least one in titanium oxide base reflecting material, barium titanate series reflecting material, strontium titanate reflecting material in described reflecting layer.

preferably, the metal that described radiator is coated with nano composite plastics by nano composite plastics or surface is made.

preferably, described radiator is made up of metal or metal alloy.

a kind of efficient LED reflector lamp, it comprises that inside is provided with the lamp socket of power supply, carry the LED lamp plate of the LED lamp pearl of integration packaging, there is the radiator of cavity, be arranged at the lens in described cavity, described radiator is installed on one end of lamp socket, described lens cap is located at the top of LED lamp pearl, described lens have and are exposed to airborne outer surface, with the just inner surface to setting of LED lamp pearl, connect the side surface of described outer surface and inner surface, on the side surface of described lens, be coated with one deck reflecting layer for being reflected back outer surface through lens outer surface reflection or the light that refracts to side surface.

preferably, the thickness in described reflecting layer is 0.02～0.8mm.

preferably, described radiator is made up of metal or metal alloy.

the heat-conducting plastic that the utility model is addressed refers to and inorganic filler is dispersed in to the heat-conductive composite material forming in plastic substrate with sub-micron grade to nano-grade size, and the diameter of inorganic filler is wherein 10 ^-10 ～10 ^-6 rice, such material has good thermal conductivity and thermal diffusivity, and thermal conductivity factor is generally 1-10W/mK, especially with nano composite plastics optimum.

the utility model adopts above structure, and tool has the following advantages: reduced in prior art the light loss outside lensed set-up mode caused LED light source irradiating angle only, utilized fully LED light source, improved optical efficiency; On the inner surface of lens side surface or radiator cavity, spray one deck reflecting layer simultaneously, easy to process, be easy to processing and assembling.

Brief description of the drawings

accompanying drawing 1 is the structural representation of the utility model embodiment mono-;

the top view that accompanying drawing 2 is radiator of the present utility model;

accompanying drawing 3 is the structural representation of the utility model embodiment bis-.

wherein: 1, lamp socket; 11, power supply; 2, LED lamp plate; 21, LED lamp pearl; 3, radiator; 31, cavity; 32, sidewall; 4, lens; 41, outer surface; 42, inner surface; 43, side surface; 5, reflecting layer.

Detailed description of the invention

below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be those skilled in the art will recognize that, protection domain of the present utility model is made to more explicit defining.

embodiment mono-

in conjunction with Fig. 1, shown in Fig. 2, a kind of efficient LED reflector lamp, it comprises that inside is provided with the lamp socket 1 of power supply 11, carry the LED lamp plate 2 of the LED lamp pearl 21 of integration packaging, there is the radiator 3 of cavity 31, be arranged at the lens 4 in described cavity 31, described radiator 3 is installed on one end of lamp socket 1, described lens 4 are located at the top of LED lamp pearl 21, described radiator 3 has the sidewall 32 that surrounds described cavity 31, on the inner surface of described radiator 3 sidewalls 32, be coated with one deck reflecting layer 5 for the light reflecting through lens 4 or refract in cavity 31 is reflected back to lens 4.

the thickness in described reflecting layer 5 is 0.02～0.8mm.The thickness in the reflecting layer in the present embodiment is 0.8mm.

be made up of at least one in titanium oxide base reflecting material, barium titanate series reflecting material, strontium titanate reflecting material in described reflecting layer 5.Above-mentioned reflecting material is in titanium dioxide, barium titanate, strontium titanates, to be added with a small amount of auxiliary agent.

described radiator 3 is made up of nano composite plastics.Heat-conducting plastic comprises plastic substrate and the inorganic filler of the following micron to nano grade size dispersion in plastic substrate.

compared with traditional composite, plastic substrate and inorganic filler are compound in nanometer range, and the interfacial area between two-phase is very large, chemical bond between Presence of an interface, form excellent cohesive force, can eliminate the mutually unmatched problem of organic/inorganic, form diverse characteristic and manifest.

surface by nano level material can be large, easily low-surface-energy can fall in reunion, eliminate surface charge, weaken surface polarity, with surface coverage modification, mechanochemical modification, theca externa modification, Topically active modification, high-energy surface modification, utilize precipitation reaction surface modification.Therefore this composite plastic has heat resistance raising; Thermal diffusivity significantly improves; Air-breathing property and hygroscopicity are lower; The advantages such as the size coefficient of expansion is lower.

the diameter of described inorganic filler is 10 ^-10 ～10 ^-6 rice, the thermal conductivity factor of described nano composite plastics is between 0.25-10W/mK.

the plastic substrate of heat-conducting plastic can be the one in polyamide-based (PA), PET series (PET), epoxy resin (Epoxy Resin), polyimides system (PI), polyphenylene sulfide system (PPS).The inorganic filler of composite plastic is the one in carbon element, oxide based, nitride based, hydroxide system.The radiator 32 of being made up of nano composite plastics has good thermal diffusivity.

to adopt LED GU5.3 MR-16 LED shot-light that cold conditions lumen is assembled into as 120LM/W, chip input power as the COB LED chip of 5.5W as example, COB chip cold conditions lumen number is 660LM, because of the restriction of power-efficient factor, the one-tenth lamp general power of LED shot-light is about 7.5W, if areflexia layer, become lamp cold conditions lumen number to be about 530LM, becoming lamp cold conditions light efficiency value is 72LM/W, and effective application percentage bright with respect to COB chip light emitting of light only has 80%; And the structure of employing the present embodiment, become lamp cold conditions lumen number can reach 603LM, becoming lamp cold conditions light efficiency value is 80.4LM/W, effective application of light percentage bright with respect to COB chip light emitting can reach more than 91%, than the LED shot-light of prior art, the effective rate of utilization of light can be optimized more than 10%, and made one-tenth light effect value can be optimized more than 8%.

embodiment bis-

a kind of efficient LED reflector lamp, it comprises that inside is provided with the lamp socket 1 of power supply 11, carry the LED lamp plate 2 of the LED lamp pearl 21 of integration packaging, there is the radiator 3 of cavity 31, be arranged at the lens 4 in described cavity 31, described radiator 3 is installed on one end of lamp socket 1, described lens 4 are located at the top of LED lamp pearl 21, described lens 4 have and are exposed to airborne outer surface 41, with the just inner surface 42 to setting of LED lamp pearl 21, connect the side surface 43 of described outer surface 41 and inner surface 42, on the side surface 43 of described lens 4, be coated with one deck reflecting layer 5 for the light reflecting through lens 4 outer surfaces 41 or refract to side surface 43 is reflected back to outer surface 41.

the outer surface 41 of described lens 4 is greater than inner surface 42.The middle part of the inner surface 42 of lens 4, to fovea superior, is formed for holding the space of LED lamp pearl 21.

be made up of at least one in titanium oxide base reflecting material, barium titanate series reflecting material, strontium titanate reflecting material in described reflecting layer 5.Above-mentioned reflecting material is in titanium dioxide, barium titanate, strontium titanates, to be added with a small amount of auxiliary agent.。

above-described embodiment is only explanation technical conceive of the present utility model and feature; it is a kind of preferred embodiment; its object is that person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations of doing according to Spirit Essence of the present utility model or modification, within all should being encompassed in protection domain of the present utility model.

Claims

1. an efficient LED reflector lamp, it is characterized in that: it comprise inside be provided with the lamp socket of power supply, carry the LED lamp pearl of integration packaging LED lamp plate, have cavity radiator, be arranged at the lens in described cavity, described radiator is installed on one end of lamp socket, described lens cap is located at the top of LED lamp pearl, described radiator has the sidewall of described cavity of encirclement, is coated with one deck reflecting layer for being reflected back lens through reflection from lens or the light that refracts in cavity on the inner surface of described radiator sidewall.

2. efficient LED reflector lamp according to claim 1, is characterized in that: the thickness in described reflecting layer is 0.02～0.8mm.

3. efficient LED reflector lamp according to claim 1, is characterized in that: be made up of at least one in titanium oxide base reflecting material, barium titanate series reflecting material, strontium titanate reflecting material in described reflecting layer.

4. efficient LED reflector lamp according to claim 1, is characterized in that: the metal that described radiator is coated with nano composite plastics by nano composite plastics or surface is made.

5. an efficient LED reflector lamp, it is characterized in that: it comprises that inside is provided with the lamp socket of power supply, carry the LED lamp plate of the LED lamp pearl of integration packaging, there is the radiator of cavity, be arranged at the lens in described cavity, described radiator is installed on one end of lamp socket, described lens cap is located at the top of LED lamp pearl, described lens have and are exposed to airborne outer surface, with the just inner surface to setting of LED lamp pearl, connect the side surface of described outer surface and inner surface, on the side surface of described lens, be coated with one deck reflecting layer for being reflected back outer surface through lens outer surface reflection or the light that refracts to side surface.

6. efficient LED reflector lamp according to claim 5, is characterized in that: the outer surface of described lens is greater than inner surface.

7. efficient LED reflector lamp according to claim 5, is characterized in that: the thickness in described reflecting layer is 0.02～0.8mm.

8. efficient LED reflector lamp according to claim 5, is characterized in that: be made up of at least one in titanium oxide base reflecting material, barium titanate series reflecting material, strontium titanate reflecting material in described reflecting layer.

9. efficient LED reflector lamp according to claim 5, is characterized in that: the metal that described radiator is coated with nano composite plastics by nano composite plastics or surface is made.

10. efficient LED reflector lamp according to claim 1 or 5, is characterized in that: described radiator is made up of metal or metal alloy.