CN203336296U

CN203336296U - LED bulb lamp

Info

Publication number: CN203336296U
Application number: CN2013203862646U
Authority: CN
Inventors: 汤谨元
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-02
Filing date: 2013-07-02
Publication date: 2013-12-11
Anticipated expiration: 2023-07-02

Abstract

The utility model discloses an LED bulb lamp which comprises a lamp body and an LED light source panel arranged in the lamp body. A heat sink is also arranged in the lamp body and fixedly connected to the reverse side of the LED light source panel. The reverse side of the LED light source panel is closely attached to the end face of the heat sink in a completely contacted mode. The heat sink can conduct out heat generated by the LED light source panel directly and quickly, the heat conduction and dissipation speed is high, therefore, the temperature of the LED light source panel can be maintained within a normal operating temperature range, and the service life of the LED light source panel is prolonged. According to the LED bulb lamp, the heat sink is used for dissipating the heat of the LED light source panel, which is different from an existing way that a lamp body with a heat dissipation function is used for heat dissipation; therefore, materials of the lamp body are no longer restricted, and the lamp body can be made of plastics, ceramics and other insulating materials with high insulating strength so as to improve the safety performance of the LED bulb lamp; the lamp body also can be made of metal materials with heat-conducting properties so as to enhance the heat dissipation effect.

Description

The LED bulb lamp

Technical field

The utility model relates to the LED lighting field, particularly a kind of LED bulb lamp.

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 lamp as light source with LED occurred.The LED bulb lamp generally comprises lamp holder, lamp body, lampshade and is fixed on the LED light source in lamp body, and the luminous heat that can produce of LED light source, as the heat of the luminous generation of LED light source can not leave in time, can make the lamp body internal temperature more and more higher, not only can accelerate LED aging, shorten its service life, when serious, can cause LED to burn, therefore existing LED bulb lamp all adopts heat radiation body to be dispelled the heat, how designing a kind of more effectively radiator structure, to carry out high efficiency and heat radiation be technical problem to be solved in the utility model.

Summary of the invention

Main purpose of the present utility model is to provide a kind of LED bulb lamp, is intended to the radiator structure of light fixture is improved, and the radiating effect of light fixture is improved.

The utility model proposes a kind of LED bulb lamp, comprise lamp body and be arranged on the LED light source plate in described lamp body, also be provided with a radiator in described lamp body, described radiator is fastened on the back side of described LED light source plate.

Preferably, described radiator is pasted and fixed on the back side of described LED light source plate by heat-conducting glue.

Preferably, described radiator is connected by screw the back side that is fixed on described LED light source plate.

Preferably, described radiator is cylinder, stage body or the cone that an end is plane, and the back side of the planar ends of described radiator and described LED light source plate is fitted and connected.

Preferably, described radiator comprises some fin that are radial arrangement.

Preferably, be provided with LED driver in described lamp body, run through on described radiator and be provided with a passage, be provided with the through hole corresponding with described passage on described LED light source plate, the power supply output line of described LED driver wears out and described LED light source plate welding from described passage and described through hole.

Preferably, described lamp body is made for pottery, plastics or metal material.

Preferably, described lamp body is hollow setting, at the end backlight of described lamp body, is provided with interface and the some louvres for being connected with lamp holder, and described louvre is around described interface setting.

Preferably, from the sidewall outer of described lamp body, to the inner face concave-shaped, become some grooves that are spaced, described groove is around the central shaft setting of described lamp body, and described groove inwardly protruding forms a circle for placing the protruding position of described LED light source plate.

Be provided with a radiator in the lamp body of LED bulb lamp of the present utility model, this radiator is fastened on the back side of LED light source plate, the back side of LED light source plate and the end face of radiator fit tightly, fully contact, the heat that radiator can be directly, rapidly the LED light source plate is produced is derived, and heat conduction, radiating rate are fast, can make the temperature of LED light source plate remain in normal operating temperature range, extend the service life of LED light source plate, solve heat dissipation problem.

The utility model is dispelled the heat to the LED light source plate by the radiator of design, it is different that the lamp body that has a thermolysis from existing use carries out the heat radiation approach, thereby need not be again the material of lamp body be limited, lamp body can adopt the high insulating materials of dielectric strength such as plastic cement, pottery to make, thereby the leaky of stopping, improve the security performance of light fixture, guarantee personal safety; Certainly, lamp body also can adopt the metal material with heat conductivility to make, and makes lamp body have heat conduction, heat dispersion, and can use like this lamp body with thermolysis is the LED light source plate together with radiator, makes radiating effect more excellent.

The accompanying drawing explanation

The front view of LED bulb lamp in the embodiment that Fig. 1 is the utility model LED bulb lamp;

The top view of lamp body in the embodiment that Fig. 2 is the utility model LED bulb lamp;

Be connected with the stereogram of the LED light source plate of radiator in the embodiment that Fig. 3 is the utility model LED bulb lamp;

Be connected with the top view of the LED light source plate of radiator in the embodiment that Fig. 4 is the utility model LED bulb lamp;

Be connected with the upward view of the LED light source plate of radiator in the embodiment that Fig. 5 is the utility model LED bulb lamp.

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 is 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 LED bulb lamp of the present utility model is proposed, this LED bulb lamp comprises lamp holder 40, lamp body 30, lampshade 50, LED light source plate 10, LED driver, lamp body 30 is hollow setting, LED driver and LED light source plate 10 are arranged in lamp body 30, and LED light source plate 10 transverse horizontal are arranged in the front port of lamp body 30.End backlight at lamp body 30 is provided with the interface for being connected with lamp holder 40, lamp holder 40 docks with interface, the input of LED driver and the electric company of lamp holder 40, the output of LED driver and 10 electrical connections of LED light source plate, LED driver driving LED light source board 10 is luminous.Lampshade 50 is connected with the front port of lamp body 30, and lampshade 50 is located on LED light source plate 10.

Also be provided with a radiator 20 in lamp body 30, this radiator 20 is made for the high aluminum alloy materials of thermal conductivity factor, has efficient heat conduction, heat dispersion.This radiator 20 is fastened on the back side of LED light source plate 10, the end face of the back side of LED light source plate 10 and radiator 20 fits tightly, fully contact, the heat that radiator 20 can be directly, rapidly LED light source plate 10 is produced is derived, heat conduction, radiating rate are fast, can make the temperature of LED light source plate 10 remain in normal operating temperature range, extend the service life of LED light source plate 10, solve heat dissipation problem.

This radiator 20 can stick on the back side of LED light source plate 10 by heat-conducting glue, also can be connected by screw the back side that is fixed on LED light source plate 10, and an end end face of radiator 20 and the back side of LED light source plate 10 are fitted tightly, and improves heat-transfer rate.Radiator 20 in the present embodiment is pasted fixing by heat-conducting glue.

Radiator 20 is cylinder, stage body or the cone that an end is plane, and the back side of the planar ends of radiator 20 and LED light source plate 10 is fitted and connected, and the contact area between radiator 20 and LED light source plate 10 is maximized, and contact fully, improves heat radiation.Radiator 20 in the present embodiment is cylinder.

Radiator 20 is the small-sized flower-shaped radiator 20 of the sun, comprises some fin 201 that are radial arrangement, and the setting of fin 201 increases the area of dissipation of radiator 20, improves radiating efficiency.

The present embodiment is dispelled the heat to LED light source plate 10 by radiator 20, it is different that the lamp body that has a thermolysis from existing use carries out the heat radiation approach, thereby without being dispelled the heat with lamp body 30, like this need not be again the material of lamp body 30 be limited, lamp body 30 can be used Heat Conduction Material to make, and also can adopt non-Heat Conduction Material to make.So, lamp body 30 can adopt the high insulating materials of dielectric strength such as plastic cement, pottery to make, thus the leaky of stopping, and the security performance of raising light fixture, guarantee personal safety; Lamp body 30 also can adopt the metal material with heat conductivility to make, and makes lamp body 30 have heat conduction, heat dispersion, and can use like this lamp body 30 with thermolysis is LED light source plate 10 together with radiator 20, makes radiating effect more excellent.

Vertically run through and be provided with a passage 202 at the middle position of radiator 20, be provided with the through hole corresponding with passage 202 on LED light source plate 10, the power supply output line of LED driver wears out and 10 welding of LED light source plate from passage 202 and through hole, makes LED driver and 10 electrical connections of LED light source plate.

Become some grooves 301 that are spaced from the sidewall outer of lamp body 30 to the inner face concave-shaped, groove 301 is around the central shaft setting of lamp body 30, the setting of groove 301 can improve the surface area of lamp body 30, when lamp body 30 has heat conductivility, the setting of groove 301 can improve the area of dissipation of lamp body 30, improves its radiating rate.The back side inwardly protruding of groove 301, at interior formation one circle of lamp body 30, for placing the protruding position of LED light source plate 10, LED light source plate 10 is fixed on protruding position.

End backlight at lamp body 30 is provided with some louvres 302, and these louvre 302 solderless wrapped connection mouths arrange.The setting of louvre 302 makes the air in lamp body 30 circulate mutually with extraneous air, forms cross-ventilation, and hot-air and lamp body 30 cool exterior air accelerated in lamp body 30 exchange mutually, and auxiliary heat dissipation improves radiating efficiency.

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. a LED bulb lamp, comprise lamp body and be arranged on the LED light source plate in described lamp body, and it is characterized in that, also be provided with a radiator in described lamp body, described radiator is fastened on the back side of described LED light source plate.

2. LED bulb lamp according to claim 1, is characterized in that, described radiator is pasted and fixed on the back side of described LED light source plate by heat-conducting glue.

3. LED bulb lamp according to claim 1, is characterized in that, described radiator is connected by screw the back side that is fixed on described LED light source plate.

4. LED bulb lamp according to claim 1, is characterized in that, described radiator is cylinder, stage body or the cone that an end is plane, and the back side of the planar ends of described radiator and described LED light source plate is fitted and connected.

5. LED bulb lamp according to claim 4, is characterized in that, described radiator comprises some fin that are radial arrangement.

6. according to the described LED bulb lamp of any one in claim 1 to 5, it is characterized in that, be provided with LED driver in described lamp body, run through on described radiator and be provided with a passage, be provided with the through hole corresponding with described passage on described LED light source plate, the power supply output line of described LED driver wears out and described LED light source plate welding from described passage and described through hole.

7. LED bulb lamp according to claim 1, is characterized in that, described lamp body is made for pottery, plastics or metal material.

8. according to the described LED bulb lamp of claim 1 or 7, it is characterized in that, described lamp body is hollow setting, at the end backlight of described lamp body, is provided with interface and the some louvres for being connected with lamp holder, and described louvre is around described interface setting.

9. LED bulb lamp according to claim 8, it is characterized in that, become some grooves that are spaced from the sidewall outer of described lamp body to the inner face concave-shaped, described groove is around the central shaft setting of described lamp body, and described groove inwardly protruding forms a circle for placing the protruding position of described LED light source plate.