CN202349958U

CN202349958U - Light emitting diode (LED) lamp convenient for radiating

Info

Publication number: CN202349958U
Application number: CN2011204759516U
Authority: CN
Inventors: 陈方; 沈锦祥
Original assignee: Sengled Optoelectronics Co Ltd
Current assignee: Sengled Optoelectronics Co Ltd
Priority date: 2011-11-25
Filing date: 2011-11-25
Publication date: 2012-07-25
Anticipated expiration: 2021-11-25

Abstract

The utility model discloses a light emitting diode (LED) lamp convenient for radiating. The LED lamp convenient for radiating comprises a lamp holder, a radiating lamp cup, a drive power supply shell and a bulb shell, wherein the internal of the radiating lamp cup has a hollow structure; the radiating lamp cup is sleeved with the drive power supply shell; a gap for ventilating is reserved between the drive power supply shell and the inner wall of the radiating lamp cup; a lamp socket which is higher than the upper surface of the lamp cup is arranged on the upper part of the radiating lamp cup; a substrate is arranged on the side wall of the lamp socket; an LED light source is fixed to the substrate; a ventilation channel which penetrates through the overall lamp socket vertically is arranged in the lamp socket; ventilation holes are formed on the top of the bulb shell; the gap is communicated with the ventilation channel of the lamp socket; the lower part of the gap is communicated with external air; and the upper part of the ventilation channel is communicated with the external air through the ventilation holes of the bulb shell. According to the LED lamp convenient for radiating, an air flow channel is formed in a lamp body, so that air enters the lamp body and can bring the heat generated by the drive power supply and the LED light source away, the ambient temperature for the operation of the power supply is reduced, and the service life of the LED lamp is ensured; and the temperature of the lamp cup shell also can be reduced so as to prevent human hands from being scalded.

Description

The LED lamp of convenient heat radiation

Technical field

The utility model relates to the LED lighting technical field, particularly a kind of LED lamp of convenient heat radiation.

Background technology

Whether the work of LED lamp is stable; The quality quality, most important with lamp body heat radiation itself, past people all is conceived to the heat radiation of led light source; Shape through improving the heat radiation Lamp cup, structure, material etc. to be optimizing its heat dispersion, but inconsiderate to the heat radiation of LED driving power usually.

For example; The high-power LED illuminating lamp of prior art generally adopts the heat radiation Lamp cup of hollow; Lamp cup top is provided with the lamp socket of fixed L ED luminescence component; The driving power housing is enclosed within the heat radiation Lamp cup, and the upper and lower side of driving power housing is closed state, and the inwall of driving power housing is close to the inwall of driving power container cavity.During light fixture work; The heat of led light source reaches the heat radiation Lamp cup through lamp socket and distributes; Because heat radiation Lamp cup itself has carried the heat of led light source in light fixture work, so drive circuit board is in the hot environment in the heat radiation Lamp cup, heat is difficult to effectively distribute; In the course of time can influence the operate as normal of the electronic devices and components of driving power, thereby influence the service life of LED illuminating lamp integral body.

The utility model content

The utility model is to the deficiency that exists in the above-mentioned prior art; A kind of LED lamp of shunting heat radiation is provided; External shunt radiator structure in this LED lamp adopts; In heat radiation be meant through the lamp body inner ventilation a part of heat that driving power and led light source produce taken away that outer heat radiation is meant that led light source heat conduction loose by free convection to the heat of the Lamp cup shell that dispels the heat; Thereby not only effectively reduce the temperature of Lamp cup shell, protection people's both hands are not scalded, and can also dispel the heat to driving power, thereby alleviate the temperature effect of heat radiation Lamp cup to power supply, reduce the environment temperature of power supply, have prolonged the service life of power supply.

The technical scheme of the utility model is achieved in that

A kind of LED lamp of convenient heat radiation comprises lamp holder, heat radiation Lamp cup, driving power housing and cell-shell, and described heat radiation Lamp cup inside is hollow structure; Heat radiation Lamp cup and driving power housing connect together; Leave the space of ventilation between described driving power housing and the heat radiation Lamp cup inwall, be provided with the lamp socket that exceeds the Lamp cup upper surface on heat radiation Lamp cup top, the lamp socket sidewall is provided with substrate; Be fixed with led light source on the substrate; Be provided with the ventilating duct of the whole lamp socket of up/down perforation in the lamp socket, be provided with air vent, the ventilating duct air communication of said space and lamp socket at the cell-shell top; The bottom, space is communicated with outside air, and ventilating duct top is communicated with outside air through the air vent of cell-shell.

As preferably, described lamp socket outer contour shape is any shape in polyhedron, cylinder or the Rotary-table.Lamp socket adopts above-mentioned three-dimensional shape, can enlarge the lighting angle of whole lamp, reaches the illuminating effect that is similar to incandescent lamp.

As preferably, described lamp socket outer contour shape is a terrace with edge shape, on each side of lamp socket, is fixed with a substrate.

For the heat that further LED is conducted to lamp socket dispels the heat,, in the ventilating duct of lamp socket, be provided with the interior fin of longitudinally arranging as preferably.

As preferably, on driving power housing periphery, be fixed with the Lamp cup bottom of dispelling the heat offsets and accept ring, be circumferentially with a plurality of extraneous holes that maintain the circulation of air with bottom, described space that make accepting the ring upper edge.Accept ring and not only can hold the heat radiation Lamp cup, offered a plurality of holes on the ring accepting, bottom, described space can be passed to through hole and ambient air stream dispel the heat.

As preferably, be circumferentially with at least two in driving power housing sidewall upper edge housing carried out spacing convex tendon, described convex tendon offsets with heat radiation Lamp cup inwall.The setting of convex tendon not only can be carried out spacing to the driving power housing, makes things convenient for it to install, and also makes and leaves the space that forms air flow channel between housing and Lamp cup inwall.

As preferably, circumferentially be distributed with the outer fin of a plurality of vertical settings in the periphery upper edge of heat radiation Lamp cup.

Install for ease, as preferably, be provided with screw at the convex tendon top, convex tendon links to each other through screw with the heat radiation Lamp cup.

As preferably, be provided with perforate at the cell-shell top, in perforate, be arranged with annular ring, in annular ring, be provided with cowling, air vent is arranged on the cowling.

Adopted the design philosophy and the beneficial effect of the utility model of technique scheme to be:

The utility model in the lamp body set inside air flow channel; Promptly between driving power housing and Lamp cup inwall, leave the space that forms air flow channel, and be provided with the ventilating duct of up/down perforation lamp socket in the lamp socket, described space and ventilating duct keep air communication; And bottom, space and ventilating duct top all are communicated with outside air; Make the air entering can take away the heat of driving power and led light source generation, not only reduced the environment temperature of power work, guaranteed its service life; Can also effectively reduce the temperature of Lamp cup shell, protect people's both hands not scalded more.

Description of drawings

Fig. 1 is the stereogram of LED lamp among the utility model embodiment;

Fig. 2 is the stereogram of LED lamp other direction among the utility model embodiment;

Fig. 3 is the STRUCTURE DECOMPOSITION sketch map of LED lamp among the utility model embodiment;

Fig. 4 is the A-A cutaway view of Fig. 1;

Fig. 5 is the radiating effect sketch map of LED lamp among the embodiment.

The specific embodiment

The specific embodiment of the utility model is following:

Embodiment: the LED lamp of a kind of convenient heat radiation of present embodiment; Shown in Fig. 1～4, comprise lamp holder 1, heat radiation Lamp cup 2, driving power housing 3 and cell-shell 4, described heat radiation Lamp cup 2 inside are hollow structure; Heat radiation Lamp cup 2 connects together with driving power housing 3; Driving power 5 is installed in driving power housing 3, is provided with lid 20, circumferentially be distributed with the outer fin 12 of a plurality of vertical settings in the periphery upper edge of heat radiation Lamp cup 2 in driving power housing 3 upper lid; Leave the space 6 of ventilation between described driving power housing 3 and heat radiation Lamp cup 2 inwalls.

Described space 6 is to form like this; The external diameter of driving power housing 3 is less than the internal diameter of heat radiation Lamp cup 2; Be circumferentially with 3 in driving power housing 3 sidewall upper edges housing carried out spacing convex tendon 7; Described convex tendon 7 offsets with heat radiation Lamp cup 2 inwalls, and being arranged so that of convex tendon 7 kept fixing spacing between driving power housing and Lamp cup inwall; Install and fix for ease simultaneously, be provided with screw at convex tendon 7 tops, convex tendon 7 and heat radiation Lamp cup 2 link to each other through screw, thereby the driving power housing 3 and the Lamp cup 2 that dispels the heat are linked together.

For increasing the lighting angle of whole lamp, be provided with the lamp socket 8 that exceeds the Lamp cup upper surface on heat radiation Lamp cup 2 tops, lamp socket 8 sidewalls are provided with substrate; Be fixed with led light source on the substrate; Specifically, described lamp socket 8 outer contour shapes are terrace with edge shape, on each side of lamp socket 8, are fixed with the substrate 9 of an aluminum; On substrate 9, be fixed with one group of led light source 10, substrate 9 and lamp socket 8 link to each other through screw.The lighting angle of whole lamp is about 300 degree thus, can reach the standard of Energy Star, and 180 degree more luminous than traditional LED lamp are compared has bigger coverage rate, and almost the angle with incandescent lamp is consistent.

Lamp socket 8 also is a hollow structure, in lamp socket 8, is provided with the ventilating duct 11 of the whole lamp socket of up/down perforation, in the ventilating duct 11 of lamp socket 8, is provided with the interior fin of longitudinally arranging 13.

Be provided with circular perforate 14 at cell-shell 4 tops, in perforate 14, be arranged with annular ring 15, in annular ring 15, be provided with cowling 16, cowling 16 is provided with a plurality of air vents 17, and the top of ventilating duct 11 keeps being communicated with through air vent 17 and outside air.

On the periphery of driving power housing 3 bottoms, be fixed with dispel the heat that Lamp cup 2 bottoms offset accept ring 18; Accept the ring 18 upper edges be circumferentially with a plurality of holes 19 that outside air and 6 bottoms, described space are maintained the circulation of air; Driving power housing 3 is processed by heat-conducting plastic, effectively distribute heat.

6 tops, said space and ventilating duct 11 bottoms keep air communication, therefore constitute the interior heat radiation air flow channel of whole lamp; As shown in Figure 5; When light fixture is worked; The heat that driving power 5 produces distributes in space 6, and the heat part that led light source 10 produces is distributed in the ventilating duct of lamp socket through the interior fin 13 of lamp socket 8, and another part heat distributes through the outer fin 12 that lamp socket conducts to the heat radiation Lamp cup; Shown in the direction of arrow among Fig. 5, air stream gets into from air vent, 6 the bottom discharge from the space again of the ventilating duct 11 of flowing through, space 6, thus the heat in ventilating duct, the space is taken away; The heat of the outer fin 12 of heat radiation Lamp cup is then loose by natural convection air, and air direct is shown in the direction of arrow among Fig. 5.

The inside and outside heat radiation of whole lamp combines, and has not only reduced the environment temperature of power work, has guaranteed its service life; The heat that also to greatest extent led light source is produced to the greatest extent looses, and effectively reduces the temperature of Lamp cup shell, protects people's both hands not scalded more.

In addition, all right built-in fans of the LED lamp of the utility model further promotes radiating effect.

Claims

1. the LED lamp of a convenient heat radiation comprises lamp holder, heat radiation Lamp cup, driving power housing and cell-shell, and described heat radiation Lamp cup inside is hollow structure; Heat radiation Lamp cup and driving power housing connect together; It is characterized in that: leave the space of ventilation between described driving power housing and the heat radiation Lamp cup inwall, be provided with the lamp socket that exceeds the Lamp cup upper surface on heat radiation Lamp cup top, the lamp socket sidewall is provided with substrate; Be fixed with led light source on the substrate; Be provided with the ventilating duct of the whole lamp socket of up/down perforation in the lamp socket, be provided with air vent, the ventilating duct air communication of said space and lamp socket at the cell-shell top; The bottom, space is communicated with outside air, and ventilating duct top is communicated with outside air through the air vent of cell-shell.

2. the LED lamp of convenient heat radiation according to claim 1, it is characterized in that: described lamp socket outer contour shape is any shape in polyhedron, cylinder or the Rotary-table.

3. the LED lamp of convenient heat radiation according to claim 2, it is characterized in that: described lamp socket outer contour shape is a terrace with edge shape, on each side of lamp socket, is fixed with a substrate.

4. the LED lamp of convenient heat radiation according to claim 1 is characterized in that: in the ventilating duct of lamp socket, be provided with the interior fin of longitudinally arranging.

5. the LED lamp of convenient heat radiation according to claim 1; It is characterized in that: on driving power housing periphery, be fixed with the Lamp cup bottom of dispelling the heat offsets and accept ring, be circumferentially with a plurality of extraneous holes that maintain the circulation of air with bottom, described space that make accepting the ring upper edge.

6. the LED lamp of convenient heat radiation according to claim 1 is characterized in that: be circumferentially with at least two in driving power housing sidewall upper edge housing carried out spacing convex tendon, described convex tendon offsets with heat radiation Lamp cup inwall.

7. the LED lamp of convenient heat radiation according to claim 1 is characterized in that: the outer fin that circumferentially is distributed with a plurality of vertical settings in the periphery upper edge of heat radiation Lamp cup.

8. the LED lamp of convenient heat radiation according to claim 6 is characterized in that: be provided with screw at the convex tendon top, convex tendon links to each other through screw with the heat radiation Lamp cup.

9. the LED lamp of convenient heat radiation according to claim 1, it is characterized in that: be provided with perforate at the cell-shell top, in perforate, be arranged with annular ring, in annular ring, be provided with cowling, air vent is arranged on the cowling.