CN203286490U

CN203286490U - Lamp holder structure of LED (Light-Emitting Diode) lamp bulb

Info

Publication number: CN203286490U
Application number: CN2013202944494U
Authority: CN
Inventors: 李铎方
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-27
Filing date: 2013-05-27
Publication date: 2013-11-13
Anticipated expiration: 2023-05-27

Abstract

The utility model discloses a lamp holder structure of an LED (Light-Emitting Diode) lamp bulb. The lamp holder structure comprises a lamp holder outer housing, a lamp holder inner housing and a plurality of cooling fins which are embedded between the lamp holder outer housing and the lamp holder inner housing and play a connection role. Air flow can longitudinally flow in channels among the cooling fins and can be used for quickly taking heat away; moreover, the cooling fins are arranged into vortex shapes, so that the contact surface areas of the cooling fins and the air are large, and the air flows in all directions can circulate and enter the cooling fins. A plurality of annular ventilating slots are formed in the side wall of the lamp holder inner housing. Air flow among the cooling fins can enter the lamp holder inner housing through the annular ventilating slots and can be used for taking the heat out of the lamp holder inner housing. The lamp holder structure disclosed by the utility model is provided with the vortex-shaped cooling fins and annular ventilating slots; moreover, the lamp holder structure is integrally formed and made from a heat conduction material, so that under multiple cooling measures, the cooling effect is ideal and the long-term normal use of the LED lamp bulb is ensured.

Description

The holder structure of LED bulb

Technical field

The utility model relates to LED bulb technologies field, the particularly holder structure of LED bulb.

Background technology

At present, LED light source is long, pollution-free with the life-span, light efficiency high just progressively replace incandescent and fluorescent light, so the LED bulb as light source with LED occurred.The LED bulb generally comprises lamp holder, holder structure, diffuser, also comprise the drive unit be located in described holder structure, be located at the LED light source circuit board on described holder structure, the major issue that but the heat dissipation problem of LED light source circuit board is the LED bulb need to be solved, the quality of radiating effect is directly connected to illumination effect and the life-span of LED bulb.The heat of LED light source concentrates on size circuit board seldom, can make the bulb internal temperature more and more higher, not only accelerates bulb aging, reduction of service life.Existing LED bulb improves radiating effect by the design of holder structure mostly, but existing holder structure design comparison very complicated, and radiating effect is undesirable, has affected normal operation and the service life of LED bulb.

Therefore, how realizing a kind of holder structure of LED bulb of simple in structure, high efficiency and heat radiation, is the technical problem that needs to be resolved hurrily in the industry.

The utility model content

Main purpose of the present utility model is to provide the holder structure of LED bulb, is intended to realize a kind of holder structure of LED bulb of simple in structure, high efficiency and heat radiation.

the utility model proposes the holder structure of LED bulb, the LED bulb comprises the lamp holder that connects successively, holder structure, diffuser, also comprise the drive unit of being located in holder structure, be located at the LED light source circuit board on holder structure, holder structure comprises outer cover of lamp holder, be sheathed on the lamp socket inner casing in outer cover of lamp holder, be embedded at outer cover of lamp holder, also play some radiating fins of connection function between the lamp socket inner casing, outer cover of lamp holder upper surface and lamp socket inner casing upper surface form the installed surface that fixed L ED light source circuit board can be installed, some radiating fins form the whirlpool shape, the sidewall of lamp socket inner casing is provided with some loop vent grooves that are communicated to radiating fin.

Preferably, the lamp socket inner casing is the hollow cylinder shape, and lamp socket inner casing upper surface is provided with some heat radiation through holes and some lines hole, and drive unit is located in hollow cylinder and by wire, is worn cable-through hole and is electrically connected to the LED light source circuit board.

Preferably, outer cover of lamp holder upper end position place is provided with the card line that can connect and fix with diffuser, the madial wall lower end position of lamp socket inner casing be provided with can with the lamp holder fixing internal thread that is spirally connected.

Preferably, the quantity of loop vent groove is set as 1 to 4.

Preferably, the whole height of outer cover of lamp holder is less than the whole height of lamp socket inner casing, and the radiating fin end portion is exposed in air.

Preferably, the holder structure structure that is formed in one.

Preferably, holder structure adopts heat-conducting metal to make, and heat-conducting metal adopts aluminium or iron or copper.

The holder structure of a kind of LED bulb of the utility model, the LED bulb comprises lamp holder, holder structure, the diffuser that connects successively, also comprise the drive unit be located in holder structure, be located at the LED light source circuit board on holder structure, holder structure comprises outer cover of lamp holder, be sheathed on lamp socket inner casing in outer cover of lamp holder, be embedded between outer cover of lamp holder, lamp socket inner casing and play some radiating fins of connection function.Air-flow can carry out longitudinal flow and take away rapidly heat by the passage between each radiating fin, and radiating fin of the present utility model is arranged to the whirlpool shape, the surface area that radiating fin is contacted with air is larger, be conducive to the transmission of heat and distribute, and can make the airflow of all directions enter into radiating fin.Outer cover of lamp holder upper surface and lamp socket inner casing upper surface form the installed surface that fixed L ED light source circuit board can be installed, and some radiating fins form the whirlpool shape, and the sidewall of lamp socket inner casing is provided with some loop vent grooves that are communicated to radiating fin.Airflow can enter into the lamp socket inner casing and the heat of lamp socket inner casing is taken away by described loop vent groove during to the passage between radiating fin.Holder structure of the present utility model is provided with radiating fin, the loop vent groove of whirlpool shape, and holder structure is one-body molded and by Heat Conduction Material, made, under the multiple heat dissipation measure, radiating effect is desirable, the heat dishoarding, guarantee the long-term normal operation of LED bulb, increases the service life.

Description of drawings

Fig. 1 is one of the perspective view of an embodiment of the holder structure of the utility model LED bulb;

Fig. 2 be the utility model LED bulb holder structure an embodiment perspective view two;

Fig. 3 is the side view of an embodiment of the holder structure of the utility model LED bulb;

Fig. 4 is the top view of an embodiment of the holder structure of the utility model LED bulb;

Fig. 5 is the upward view of an embodiment of the holder structure of the utility model LED bulb.

The realization of the utility model purpose, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.

The specific embodiment

Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.

Referring to figs. 1 through Fig. 5, one embodiment of the holder structure of LED bulb of the present utility model is proposed, the LED bulb comprises successively lamp holder, holder structure, the diffuser that connects, and also comprises the drive unit be located in holder structure, is located at the LED light source circuit board on holder structure.

Holder structure comprises outer cover of lamp holder 101, is sheathed on the interior lamp socket inner casing 102 of outer cover of lamp holder 101, is embedded between outer cover of lamp holder 101, lamp socket inner casing 102 and some radiating fins 103 of a connection function.Outer cover of lamp holder 101 upper surfaces and lamp socket inner casing 102 upper surfaces form an installed surface, and described LED light source circuit board is mounted on installed surface, and like this, the heat that the LED light source circuit board produces can in time promptly spread all over whole holder structure by installed surface.Lamp socket inner casing 102 is the hollow cylinder shape, and lamp socket inner casing 102 upper surfaces are provided with some heat radiation through holes 104 and some lines hole 105, and drive unit is located in hollow cylinder and by wire, is worn cable-through hole 105 and is electrically connected to the LED light source circuit board.

Outer cover of lamp holder 101 upper end position places are provided with the card line 106 that can connect and fix with diffuser, the madial wall lower end position of lamp socket inner casing 102 be provided with can with the lamp holder fixing internal thread 107 that is spirally connected, make the assembling of whole LED bulb very easy, production efficiency is high.

Air-flow can carry out at the passage of 103 of each radiating fins longitudinal flow and take away rapidly heat, and radiating fin 103 of the present utility model is arranged to the whirlpool shape, the surface area that radiating fin 103 is contacted with air is larger, be conducive to the transmission of heat and distribute, and can make the airflow of all directions enter into radiating fin 103.The sidewall of lamp socket inner casing 102 is provided with some loop vent grooves 108 that are communicated to radiating fin 103, the quantity of loop vent groove 108 is set as 1 to 4, can enter into lamp socket inner casing 102 and the heat of lamp socket inner casing 102 is taken away by described loop vent groove 108 when like this, airflow is to the passage between radiating fin 103.In addition, the whole height of outer cover of lamp holder 101 is less than the whole height of lamp socket inner casing 102, and radiating fin 103 end portions are exposed in air, the effective like this contact area of radiating fin 103 with extraneous air that increased, accelerate air current flow speed, also help the air-flow of including lateral flow in.Be formed in one structure and adopt heat-conducting metal to make of holder structure, heat-conducting metal adopts aluminium or iron or copper, can make like this heat in time promptly spread all over whole holder structure.

like this, the heat that is arranged in the drive unit generation of lamp socket inner casing 102 can be distributed to radiating fin 103 and extraneous air by heat radiation through hole 104 and loop vent groove 108, and the heat that the LED light source circuit board produces can spread all over rapidly by the installed surface of being close to whole holder structure, and longitudinal flow, the outside of lateral flow can enter into the radiating fin 103 of whirlpool shape and be circulated in diffuser than cold airflow, can also enter into lamp socket inner casing 102 by loop vent groove 108, and the hot-air in the LED bulb is distributed to rapidly the light fixture outside, radiating efficiency is high.The holder structure of the utility model LED bulb is provided with radiating fin 103, loop vent groove 108, the heat radiation through hole 104 of whirlpool shape, and holder structure is one-body molded and by Heat Conduction Material, made, under the multiple heat dissipation measure, radiating effect is desirable, the heat dishoarding, guarantee the long-term normal operation of LED bulb, increase the service life.In addition, the specification of holder structure of the present utility model is slightly adjusted, holder structure also can apply in the LED Down lamp, makes the LED Down lamp also reach the effect of high efficiency and heat radiation.

The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.

Claims

1.LED the holder structure of bulb, described LED bulb comprises the lamp holder that connects successively, described holder structure, diffuser, also comprise the drive unit of being located in described holder structure, be located at the LED light source circuit board on described holder structure, it is characterized in that, described holder structure comprises outer cover of lamp holder, be sheathed on the lamp socket inner casing in described outer cover of lamp holder, be embedded at described outer cover of lamp holder, also play some radiating fins of connection function between described lamp socket inner casing, described outer cover of lamp holder upper surface and described lamp socket inner casing upper surface form the installed surface that fixing described LED light source circuit board can be installed, described some radiating fins form the whirlpool shape, the sidewall of described lamp socket inner casing is provided with some loop vent grooves that are communicated to described radiating fin.

2. the holder structure of LED bulb according to claim 1, it is characterized in that, described lamp socket inner casing is the hollow cylinder shape, described lamp socket inner casing upper surface is provided with some heat radiation through holes and some lines hole, and described drive unit is located in described hollow cylinder and by wire, is passed described line hole and is electrically connected to described LED light source circuit board.

3. the holder structure of LED bulb according to claim 2, it is characterized in that, described outer cover of lamp holder upper end position place is provided with the card line that can connect and fix with described diffuser, the madial wall lower end position of described lamp socket inner casing be provided with can with the described lamp holder fixing internal thread that is spirally connected.

4. the holder structure of according to claim 1 and 2 or 3 described LED bulbs, is characterized in that, the quantity of described loop vent groove is set as 1 to 4.

5. the holder structure of LED bulb according to claim 4, is characterized in that, the whole height of described outer cover of lamp holder is less than the whole height of described lamp socket inner casing, and described radiating fin end portion is exposed in air.

6. the holder structure of LED bulb according to claim 5, is characterized in that, the described holder structure structure that is formed in one.

7. the holder structure of LED bulb according to claim 6, is characterized in that, described holder structure adopts heat-conducting metal to make, and described heat-conducting metal adopts aluminium or iron or copper.