CN202708747U

CN202708747U - Light emitting diode (LED) lamp bulb

Info

Publication number: CN202708747U
Application number: CN2012203856227U
Authority: CN
Inventors: 陶稼; 孙敬玺
Original assignee: New Vision Photoelectric (zhengzhou) Co Ltd
Current assignee: New Vision Photoelectric (zhengzhou) Co Ltd
Priority date: 2012-08-06
Filing date: 2012-08-06
Publication date: 2013-01-30
Anticipated expiration: 2022-08-06

Abstract

The utility model relates to a light emitting diode (LED) lamp bulb. The LED lamp bulb comprises an LED lamp body and a lamp holder, wherein the LED lamp body comprises an LED light source board, a lamp shade, a radiator and a power object, the radiator comprises a round heat dissipation bottom board, and the periphery of the heat radiation bottom board is protruded upwards to form N strip-shaped heat dissipation fins. The power object is cylindrical, an outer shell of the power object is an insulating outer shell, the upper portion of the power object is connected with the lamp holder, a circle of annular protruded rim is installed on the side face of the middle of the power object, the outer end of the annular protruded rim is provided with a flange facing downwards, and an annular gap is placed between the flange and the side face of the power object. The upper ends of the N heat dissipation fins are all clamped in the annular gap, the lower portion of the power object is located in a space defined by the N heat dissipation fins in surrounding mode, the LED light source board is installed on the lower surface of the heat dissipation bottom board, the lamp shade is an inverted spherical lamp shade, and the upper edge of the inverted spherical lamp shade is fixedly connected with the periphery of the heat dissipation bottom board. The LED lamp bulb is simple in structure and good in heat dissipation effect.

Description

The LED bulb

(1), technical field: the utility model relates to a kind of lighting, particularly a kind of LED bulb.

(2), background technology: along with the development of LED technology, increasing lamp adopts the great power LED luminous tube to manufacture, and the great power LED luminous tube has the advantages such as energy-saving and environmental protection, reliability is high, the life-span is long.Some bulb also adopts the LED luminous tube to make on the existing market, although these bulbs have energy-conservation, high reliability, but its radiator adopts extruded aluminium section to process through multiple working procedure more, the leftover bits and pieces of its complex procedures, generation is many, weight is large, cost is high, is not suitable with market to the requirements at the higher level of LED bulb.

(3), utility model content:

The technical problems to be solved in the utility model is: not enough for prior art, a kind of simple in structure, LED bulb that thermal diffusivity is good is provided.

The technical solution of the utility model:

A kind of LED bulb, contain LED lamp body and lamp holder, the LED lamp body contains the led light source plate, lampshade, radiator and power source body, radiator contains circular radiating bottom plate, protrude upward the radiating fin of N bar shaped around the radiating bottom plate, N is the natural number more than or equal to 2, power source body is cylindrical, the shell of power source body is insulation crust, the top of power source body is connected with lamp holder, the side, middle part of power source body is provided with a ring shape flange, the outer end of annular lip is provided with the downward flange of a circle, contain an annular gap between the side of flange and power source body, the upper end of N radiating fin all is connected in this annular gap, and the bottom of power source body is arranged in the space that N radiating fin surrounds, and the led light source plate is installed on the lower surface of radiating bottom plate, lampshade is inverted spheric lampshade, and the top edge of inverted spheric lampshade is fixedly connected with all around with radiating bottom plate.

Be provided with LED lamp body installing hole below the lamp holder, LED lamp body installing hole inwall is provided with internal thread, and the top of power source body is provided with external screw thread, and power source body is connected with lamp holder with the coupling of internal thread by external screw thread.

Lamp holder is screw socket or bayonet socket.

The top edge of inverted spheric lampshade inwardly is converted into the annular edge of a level, and annular edge is fixedly connected with the lower surface of radiating bottom plate.

Contain power-switching circuit in the power source body, the input of power-switching circuit is connected with electrode on the lamp holder, the output of power-switching circuit is connected with LED luminous tube on the led light source plate, and the connecting line between the output of power-switching circuit and the LED luminous tube passes from the through hole of power source body bottom.

The led light source plate is circular, or is regular polygon.

N radiating fin around the radiating bottom plate evenly distributes.

N is the arbitrary number in 4～12.

The material of insulation crust is plastics.Insulation crust plays the double effects of insulation isolation and heat isolation, has increased the security of LED bulb and the life-span of power supply.

The beneficial effects of the utility model:

1, protrude upward N radiating fin in the utility model around the radiating bottom plate of radiator, the upper end of N radiating fin all is connected in the annular gap on the power source body, and the top of power source body is connected with lamp holder, the lower surface installation led light source plate of radiating bottom plate; Radiator of the present utility model can adopt one-shaping technique to make, and does not substantially produce leftover bits and pieces, produces simple, compare with the radiator of existing LED bulb, therefore the material usage of this radiator greatly reduces, and has reduced the weight of lamp body, make whole bulb simple in structure, cost is low.

2, the middle part of radiator of the present utility model is N the space that radiating fin surrounds, by the gap between each radiating fin, outside air can with this space in cross-ventilation, thereby the heat that sends on the radiating bottom plate is taken away, the heat dispersion of radiator is improved greatly.

(4), description of drawings:

Fig. 1 is the structural representation of LED bulb;

Fig. 2 is A-A sectional structure schematic diagram among Fig. 1;

Fig. 3 is the package assembly schematic diagram of LED bulb.

(5), the specific embodiment:

Embodiment one: referring to Fig. 1～Fig. 3, among the figure, the LED bulb contains LED lamp body and lamp holder 1, the LED lamp body contains led light source plate 8, lampshade 5, radiator and power source body 6, radiator contains circular radiating bottom plate 4, protrude upward the radiating fin 3 of 8 bar shapeds around the radiating bottom plate 4, power source body 6 is cylindrical, the shell of power source body 6 is insulation crust, the top of power source body 6 is connected with lamp holder 1, the side, middle part of power source body 6 is provided with a ring shape flange 7, the outer end of annular lip 7 is provided with the downward flange 2 of a circle, contain an annular gap between the side of flange 2 and power source body 6, the upper end of 8 radiating fins all is connected in this annular gap, and the bottom of power source body 6 is arranged in the space that 8 radiating fins 3 surround, and led light source plate 8 is installed on the lower surface of radiating bottom plate 4, lampshade 5 is inverted spheric lampshade, and the top edge of inverted spheric lampshade is fixedly connected with all around with radiating bottom plate 4.

Be provided with LED lamp body installing hole below the lamp holder 1, LED lamp body installing hole inwall is provided with internal thread 11, and the top of power source body 6 is provided with external screw thread 10, and power source body 6 is connected with lamp holder with the coupling of internal thread 11 by external screw thread 10.

Lamp holder 1 is screw socket.

The top edge of inverted spheric lampshade inwardly is converted into the annular edge of a level, and annular edge is fixedly connected with the lower surface of radiating bottom plate 4.

Contain power-switching circuit in the power source body 6, the input of power-switching circuit is connected with electrode on the lamp holder 1, the output of power-switching circuit is connected with LED luminous tube 9 on the led light source plate 8, and the connecting line between the output of power-switching circuit and the LED luminous tube 9 passes from the through hole 12 of power source body 6 bottoms.

Led light source plate 8 is circular.

8 radiating fins 3 around the radiating bottom plate 4 evenly distribute.

Claims

1. LED bulb, contain LED lamp body and lamp holder, the LED lamp body contains the led light source plate, lampshade, radiator and power source body, it is characterized in that: radiator contains circular radiating bottom plate, protrude upward the radiating fin of N bar shaped around the radiating bottom plate, N is the natural number more than or equal to 2, power source body is cylindrical, the shell of power source body is insulation crust, the top of power source body is connected with lamp holder, the side, middle part of power source body is provided with a ring shape flange, the outer end of annular lip is provided with the downward flange of a circle, contain an annular gap between the side of flange and power source body, the upper end of N radiating fin all is connected in this annular gap, and the bottom of power source body is arranged in the space that N radiating fin surrounds, and the led light source plate is installed on the lower surface of radiating bottom plate, lampshade is inverted spheric lampshade, and the top edge of inverted spheric lampshade is fixedly connected with all around with radiating bottom plate.

2. LED bulb according to claim 1, it is characterized in that: be provided with LED lamp body installing hole below the described lamp holder, LED lamp body installing hole inwall is provided with internal thread, and the top of power source body is provided with external screw thread, and power source body is connected with lamp holder with the coupling of internal thread by external screw thread.

3. LED bulb according to claim 2, it is characterized in that: described lamp holder is screw socket or bayonet socket.

4. LED bulb according to claim 1, it is characterized in that: the top edge of described inverted spheric lampshade inwardly is converted into the annular edge of a level, and annular edge is fixedly connected with the lower surface of radiating bottom plate.

5. LED bulb according to claim 1, it is characterized in that: contain power-switching circuit in the described power source body, the input of power-switching circuit is connected with electrode on the lamp holder, the output of power-switching circuit is connected with LED luminous tube on the led light source plate, and the connecting line between the output of power-switching circuit and the LED luminous tube passes from the through hole of power source body bottom.

6. LED bulb according to claim 1 is characterized in that: described led light source plate is for circular, or is regular polygon.

7. LED bulb according to claim 1 is characterized in that: N radiating fin around the described radiating bottom plate evenly distributes.

8. LED bulb according to claim 1, it is characterized in that: described N is the arbitrary number in 4～12.

9. LED bulb according to claim 1, it is characterized in that: the material of described insulation crust is plastics.