CN202532280U

CN202532280U - Novel LED (light emitting diode) lamp

Info

Publication number: CN202532280U
Application number: CN201220208171XU
Authority: CN
Inventors: 周广民
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-10
Filing date: 2012-05-10
Publication date: 2012-11-14
Anticipated expiration: 2022-05-10

Abstract

The utility model relates to the manufacture field of LED (light emitting diode) lamps, and in particular relates to a novel LED lamp which comprises a lamp shell, a lamp body and a light emitting device arranged between the lamp shell and the lamp body, wherein the light emitting device comprises a circuit board and a plurality of LEDs arranged on the external surface of the circuit board, the external surface of the circuit board comprises a curve surface, the middle of the curve surface is convex and stretches into the inner cavity of the lamp shell, and the inner surface of the lamp shell is a frosting surface. The novel LED lamp has the advantages of good press resistance and high safety coefficient; the cooling area of the lamp body is increased; the lamp shell adopts a transparent body, spherical surface particles are uniformly distributed on the inner surface of the lamp shell, so that the novel LED lamp has not only an anti-dazzle effect but also an energy-saving effect as the lighting area is increased by the diffusion.

Description

A kind of Novel LED light

Technical field

The utility model relates to life lighting field, relates in particular to a kind of Novel LED light.

Background technology

LED (Light Emitting Diode) is a light emitting diode, is a kind of solid-state semiconductor devices, and it can directly be converted into light to electricity.

Along with the continuous development of LED technology, LED not only is applied in fields such as indicator lamp, backlight, and begins to apply to widely various general lightings field as the substitute products of incandescent lamp, electricity-saving lamp.Early stage LED bulb lamp mainly is small-power (about a 1W) bulb, is mainly used in decorative lighting.In the recent period, because the maturation of LED technology, light efficiency improves constantly, and light efficiency is near electricity-saving lamp, and this provides the foundation for making the illuminating LED bulb lamp.But, because traditional bulb lamp is with the LED centralized arrangement in one plane, under the restriction of lamp housing diameter; Heat dissipation problem becomes the bottleneck of restriction high-brightness LED bulb lamp; Can't arrange more LED, can only use the relatively low great power LED of light efficiency, be difficult to improve light efficiency.The previous diameter of order is that the power of 6 centimetres LED bulb lamp generally is no more than 8W, and the total light flux that sends generally is no more than 320Lm.

Simultaneously, the lamp body that the lamp body of LED bulb lamp in the market adopts cast aluminium mostly is as radiator, because the die casting aluminium thermal conductivity is lower, radiating effect is very poor, makes the LED operating temperature very high, badly influences luminous efficiency and the life-span of LED; In addition, the outer shell of lamp adopts anti-dazzle ground glass cover, and light decay and light loss consumption are big, and lighting area is little.

The utility model content

The purpose of the utility model is exactly the deficiency that exists to prior art, and the Novel LED light that a kind of radiating effect is good and brightness is higher is provided.

To achieve these goals; The technical scheme that the utility model adopts is: the utility model provides a kind of Novel LED light, comprise transparent lamp housing, lamp body and be installed in said lamp housing with said lamp body between light-emitting device, said light-emitting device comprises that circuit board and several are installed in the LED of said circuit board outer surface; The outer surface of said circuit board comprises 1 curved surface; Said curved surface middle part is outstanding, and extend in the inner chamber of lamp housing, and the inner surface of said lamp housing is a frosting.

Preferably; Said light-emitting device comprises metal heat sink, location nail, trim ring and a plurality of hold-down screw; Said circuit board is a pcb board, and said PCB road plate covers on the outer surface of said metal heat sink, and said pcb board middle part is fixed on the top of said metal heat sink through the location nail; Said trim ring is pressed in the flanging of said pcb board on the said metal heat sink, and said trim ring, said pcb board and said metal heat sink are fixed on the lamp body.

Preferably, said curved surface is spherical crown shape surface, and said pcb board launches the back and is made up of side by side the experimental process circuit board.

Preferably; Said lamp body comprises lamp socket, heat dissipation metal cup; The upper end of said heat dissipation metal cup comprises that pressing plate is installed and holds the hole; Comprise the lamp socket hole coaxial with said heat dissipation metal cup in the heat dissipation metal cup, said lamp socket penetrates the lamp socket hole from bottom to top, said heat dissipation metal cup and the lamp socket structure that links into an integrated entity.

Preferably, said heat dissipation metal cup is the aluminium stamping parts.

Preferably, at pressing plate the cross section with the lower part hold the hole to be installed be star to said heat dissipation metal cup.

Preferably, said lamp socket is the fire retardant insulating lamp socket.

The utility model compared with prior art has the following advantages:

The utility model provides a kind of Novel LED light, and the circuit board of the utility model LED bulb lamp is the outstanding curved surface in middle part, and this curved surface can be spherical crown shape surface, billiard table shape surface, terrace with edge is surperficial or round platform is surperficial; The outstanding curved surface in middle part has increased the surface area of circuit board, under same lamp housing diameter, can arrange more LED on the circuit board; Improve the heat radiation of LED effectively, under the identical situation of the volume of bulb lamp, obtain best light efficiency; In addition, be frosting at the inner surface of lamp housing, not only have antiglare effect; And, strengthened lighting area owing to form diffusion, have energy-saving effect.

Description of drawings

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

Fig. 2 is the exploded view of the utility model embodiment one;

Fig. 3 is the expanded view of the utility model embodiment one pcb board.

Description of reference numerals

1, lamp housing 2, heat dissipation metal cup 3, lamp socket 4, lamp holder

5, hold-down screw 6, trim ring 7, pcb board 8, metal heat sink

9, pressing plate 10, driving power

The specific embodiment

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

, in the embodiment of the utility model LED lamp, form to shown in Figure 3 like Fig. 1 by transparent lamp housing 1, lamp body and the light-emitting device that is installed between lamp housing 1 and the lamp body.Light-emitting device comprises pcb board 7, metal heat sink 8 and LED, also comprises location nail, 6,8 hold-down screws 5 of trim ring, and LED is mounted on the outer surface of pcb board 7, and pcb board 7 is anistree star in the present embodiment.64 LEDs have been pasted on its surface altogether.The simple grain power of LED is less than 0.1 watt.Eight angle amalgamations of pcb board 5 together, the outer surface of pcb board 5 is billiard table shape surfaces after the amalgamation, billiard table shape surface extend in the inner chamber of lamp housing 1, wherein the inner surface of lamp housing 1 is provided with a plurality of granules, is specially frosting.

Pcb board 5 covers the outer surface of metal heat sink 8, by 8 supports of metal heat sink.The inner surface of the outer surface of metal heat sink 8 and pcb board 7 is suitable, and the profile of metal heat sink 8 also is the billiard table shape.Pcb board 7 middle parts are fixed on the top of metal heat sink 8 through the location nail.There is the installation bead lower end of metal heat sink 8, and there is the flanging that turns up pcb board 7 lower ends, and trim ring 6 is pressed in the flanging of pcb board 7 on the bead of metal heat sink 8, and pcb board 7 is tightened.Hold-down screw 5 passes trim ring 6, flanging and bead, and trim ring 6, pcb board 7 and metal heat sink 8 are fixed on the pressing plate 9.The heat of LED distributes through metal heat sink 8, pressing plate 9 and heat dissipation metal cup 2 on the pcb board 7.Lamp body comprises lamp socket 3, lamp holder 4, driving power 10, heat dissipation metal cup 2, pressing plate 9 and bridge screw, and heat dissipation metal cup 2 is up big and down small, and is tapered, and the upper end of heat dissipation metal cup 2 has lamp housing mount pad and pressing plate installation to hold the hole.There is the lamp socket hole coaxial with heat dissipation metal cup 2 heat dissipation metal cup 2 middle and lower parts, and lamp socket 3 penetrates the lamp socket hole from bottom to top.Circular pressing plate 9 is installed in circular pressing plate installation and holds in the hole, and the edge of pressing plate 9 is by the part supporting of receiving in the heat dissipation metal cup of below.The screw hole that bridge screw passes on the pressing plate 9 is installed on the lamp socket 3, and pressing plate 9, heat dissipation metal cup 2 are linked into an integrated entity with lamp socket 3.

The heat dissipation metal cup is adopted as the aluminium stamping parts, and wall thickness is and even, and thermal conductivity is more than 3 times of die casting aluminium, and heat dispersion is superior to aluminium casting greatly, and has reduced manufacturing cost, has alleviated the overall weight of bulb lamp.The heat dissipation metal cup installs at pressing plate that to hold the hole be star with the cross section of lower part, both can supporting be provided to pressing plate, can also strengthen outside area of dissipation, further improves radiating effect.

Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, belong within the scope of the utility model claim and equivalent technologies thereof if these of the utility model are revised with modification, then the utility model also is intended to comprise these changes and modification interior.

Claims

1. Novel LED light; Comprise transparent lamp housing, lamp body and be installed in said lamp housing and said lamp body between light-emitting device, said light-emitting device comprise circuit board with several be installed in the LED of said circuit board outer surface, it is characterized in that; The outer surface of said circuit board comprises 1 curved surface; Said curved surface middle part is outstanding, and extend in the inner chamber of lamp housing, and the inner surface of said lamp housing is a frosting.

2. Novel LED light according to claim 1; It is characterized in that; Said light-emitting device comprises metal heat sink, location nail, trim ring and a plurality of hold-down screw; Said circuit board is a pcb board, and said pcb board covers on the outer surface of said metal heat sink, and said pcb board middle part is fixed on the top of said metal heat sink through the location nail; Said trim ring is pressed in the flanging of said pcb board on the said metal heat sink, and said trim ring, said pcb board and said metal heat sink are fixed on the lamp body.

3. Novel LED light according to claim 2 is characterized in that, said curved surface is spherical crown shape surface, billiard table shape surface, terrace with edge is surperficial or round platform one of in surperficial, and said pcb board launches the back and is made up of side by side the experimental process circuit board.

4. Novel LED light according to claim 3; It is characterized in that; Said lamp body comprises lamp socket, heat dissipation metal cup, and the upper end of said heat dissipation metal cup comprises that pressing plate is installed and holds the hole, comprises the lamp socket hole coaxial with said heat dissipation metal cup in the heat dissipation metal cup; Said lamp socket penetrates the lamp socket hole from bottom to top, said heat dissipation metal cup and the lamp socket structure that links into an integrated entity.

5. Novel LED light according to claim 4 is characterized in that, said heat dissipation metal cup is the aluminium stamping parts.

6. Novel LED light according to claim 5 is characterized in that, it is star that said heat dissipation metal cup is installed the cross section with the lower part that holds the hole at pressing plate.

7. Novel LED light according to claim 6 is characterized in that, said lamp socket is the fire retardant insulating lamp socket.