CN202901902U

CN202901902U - Light emitting diode (LED) bulb lamp

Info

Publication number: CN202901902U
Application number: CN2012204711969U
Authority: CN
Inventors: 何小明; 王诚祥
Original assignee: LAC OPTO ELECTRONICS CO Ltd
Current assignee: LAC OPTO ELECTRONICS CO Ltd
Priority date: 2012-09-17
Filing date: 2012-09-17
Publication date: 2013-04-24
Anticipated expiration: 2022-09-17

Abstract

The utility model discloses a light emitting diode (LED) bulb lamp which comprises a lamp socket and a light-transmitting cover, wherein an inner power supply, a heat dissipation body and a base board are successively arranged inside a containing cavity between the lamp socket and the light-transmitting cover from bottom to top, the upper surface of the base board is provided with LED lamp beads, the lower end portion of the lamp socket is provided with a lamp holder, the outer circle wall of the heat dissipation body is provided with heat dissipation fins, and the outer circle wall of the lamp socket is provided with heat dissipation holes. When the LED bulb lamp works, heat produced by the LED beads is transmitted into the containing cavity timely after successively passing through the base board and the heat dissipation body. The heat dissipation fins of the heat dissipation body can accelerate the transmitting speed of the heat transmitted into the containing cavity, the heat dissipation holes can achieve thermal convection and can enable the heat inside the containing cavity to be diffused to the outside, the heat produced by the LED lamp beads can not be accumulated. A heat dissipation effect is good, and service life can be effectively prolonged. In addition, the LED bulb lamp utilizing the plastic cement structure is beautiful and attractive. Therefore, the LED bulb lamp is good in heat dissipation effect, long in service life, and beautiful and attractive in appearance.

Description

A kind of LED bulb lamp

Technical field

The utility model relates to LED lighting device technical field, relates in particular to a kind of LED bulb lamp.

Background technology

At present LED replaces conventional bulb gradually because it can significantly reduce the characteristic of manufacturing cost and high life, low power consumption, becomes the new lighting source of doing one's utmost to develop for reaching power saving and environmental requirement in the industrial circle.

As a kind of main Types of LED lamp, bulb lamp is used very extensive.For the LED bulb lamp, the quality of its radiating effect is to determine LED bulb lamp quality and the key factor in service life, and the radiating effect of existing LED bulb lamp is generally undesirable; In addition, for being installed on indoor LED bulb lamp, it is particularly important that its appearance effect also seems.

The utility model content

The purpose of this utility model is to provide a kind of LED bulb lamp for the deficiencies in the prior art, and this LED bulb lamp good heat dissipation effect, long service life and good looking appearance are generous.

For achieving the above object, the utility model is achieved through the following technical solutions.

A kind of LED bulb lamp, the diffuser that includes the lamp socket that is prepared from by plastic cement and be installed in the upper end of lamp socket, form accommodating cavity between lamp socket and the diffuser, be embedded with successively from bottom to up internal electric source, radiator and substrate in the accommodating cavity, substrate is installed in the upper end of radiator, and the upper surface of substrate is equiped with and is the LED lamp grain of evenly arranging; The bottom of lamp socket is fitted with the lamp holder that is electrically connected with external power source, and the current input terminal of internal electric source is electrically connected with lamp holder, and the current output terminal of internal electric source is electrically connected with substrate; The periphery wall of radiator is provided with and is the equally distributed radiating fin of circumference ring-type, and the periphery wall of lamp socket offers the louvre that is communicated with accommodating cavity.

Wherein, the upper end of described substrate and described radiator is spirally connected.

The beneficial effects of the utility model are: a kind of LED bulb lamp described in the utility model, the diffuser that includes the lamp socket that is prepared from by plastic cement and be installed in the upper end of lamp socket, form accommodating cavity between lamp socket and the diffuser, be embedded with successively from bottom to up internal electric source, radiator and substrate in the accommodating cavity, substrate is installed in the upper end of radiator, and the upper surface of substrate is equiped with and is the LED lamp grain of evenly arranging; The bottom of lamp socket is fitted with the lamp holder that is electrically connected with external power source, and the current input terminal of internal electric source is electrically connected with lamp holder, and the current output terminal of internal electric source is electrically connected with substrate; The periphery wall of radiator is provided with and is the equally distributed radiating fin of circumference ring-type, and the periphery wall of lamp socket offers the louvre that is communicated with accommodating cavity.In the utility model course of work, the heat that LED lamp grain produces conducts in the accommodating cavity via substrate and radiator successively in time, wherein, the radiating fin of radiator can be accelerated heat and conduct to the interior speed of accommodating cavity, louvre can be realized heat loss through convection and the dissipation of heat in the accommodating cavity is extremely extraneous, gathering can not appear in the heat that LED lamp grain produces, good heat dissipation effect and can effectively increasing the service life; In addition, the utility model adopts the plastic cement structure, and is elegant in appearance.Comprehensive above-mentioned situation the utlity model has the generous advantage of good heat dissipation effect, long service life and good looking appearance as can be known.

Description of drawings

The below utilizes accompanying drawing to come the utility model is further detailed, but the embodiment in the accompanying drawing does not consist of any restriction of the present utility model.

Fig. 1 is structural representation of the present utility model.

Fig. 2 is decomposing schematic representation of the present utility model.

In Fig. 1 and Fig. 2, include:

1---lamp socket 11---louvre 2---diffuser

3---accommodating cavity 4---internal electric source 5---radiators

51---radiating fin 6---substrate 7---LED lamp grains

8---lamp holder.

The specific embodiment

Come the utility model is described below in conjunction with concrete embodiment.

As depicted in figs. 1 and 2, a kind of LED bulb lamp, include the diffuser 2 of the lamp socket 1 that is prepared from by plastic cement and the upper end that is installed in lamp socket 1, form accommodating cavity 3 between lamp socket 1 and the diffuser 2, be embedded with successively from bottom to up internal electric source 4, radiator 5 and substrate 6 in the accommodating cavity 3, substrate 6 is installed in the upper end of radiator 5, and the upper surface of substrate 6 is equiped with and is the LED lamp grain 7 of evenly arranging; The bottom of lamp socket 1 is fitted with the lamp holder 8 that is electrically connected with external power source, and the current input terminal of internal electric source 4 is electrically connected with lamp holder 8, and the current output terminal of internal electric source 4 is electrically connected with substrate 6; The periphery wall of radiator 5 is provided with and is the equally distributed radiating fin 51 of circumference ring-type, and the periphery wall of lamp socket 1 offers the louvre 11 that is communicated with accommodating cavity 3.Wherein, substrate 6 of the present utility model can adopt the mode that is spirally connected to be installed on the upper end of radiator 5; In addition, internal electric source 4 of the present utility model can be the adjustable source, namely regulates the luminosity of LED lamp grain 7 by regulating internal electric source 4, and then strengthens controllability of the present utility model.

Need to explain that further diffuser 2 of the present utility model can be designed to different shapes, spherical etc. such as mushroom shaped or semicircle; In addition, diffuser 2 of the present utility model is the PC cover, and wherein, diffuser 2 can be transparent PC cover, also can be milky white PC cover, and namely the utility model can cover to realize by the dissimilar PC of conversion the conversion of lighting effects.

In the utility model course of work, the LED lamp grain 7 that is positioned at substrate 6 upper surfaces can realize that 180 ° of wide-angles are luminous, the heat that produces when LED lamp grain 7 is luminous conducts in the accommodating cavity 3 in time via substrate 6 and radiator 5 successively, wherein, the radiating fin 51 of radiator 5 can be accelerated heat and conduct to speed in the accommodating cavity 3, and gathering can not appear in the heat that LED lamp grain 7 produces; In addition, the louvre 11 that is communicated with accommodating cavity 3 can be realized heat loss through convection, namely realize convection current by the temperature difference between accommodating cavity 3 inside and the outside air, the heats that conduct in the accommodating cavity 3 can be distributed to the external world by louvre 11 in time, good heat dissipation effect and can effectively increasing the service life.

In addition, diffuser 2 of the present utility model and lamp socket 1 are plastic cement material, i.e. the configuration design of plastic cement structure can strengthen appearance effect of the present utility model, and is attractive in appearance and generous.

Comprehensive above-mentioned situation the utlity model has the generous advantage of good heat dissipation effect, long service life and good looking appearance as can be known.

Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.

Claims

1. LED bulb lamp, it is characterized in that: the diffuser (2) that includes the lamp socket (1) that is prepared from by plastic cement and the upper end that is installed in lamp socket (1), form accommodating cavity (3) between lamp socket (1) and the diffuser (2), be embedded with successively from bottom to up internal electric source (4), radiator (5) and substrate (6) in the accommodating cavity (3), substrate (6) is installed in the upper end of radiator (5), and the upper surface of substrate (6) is equiped with and is the LED lamp grain (7) of evenly arranging; The bottom of lamp socket (1) is fitted with the lamp holder (8) that is electrically connected with external power source, and the current input terminal of internal electric source (4) is electrically connected with lamp holder (8), and the current output terminal of internal electric source (4) is electrically connected with substrate (6); The periphery wall of radiator (5) is provided with and is the equally distributed radiating fin of circumference ring-type (51), and the periphery wall of lamp socket (1) offers the louvre (11) that is communicated with accommodating cavity (3).

2. a kind of LED bulb lamp according to claim 1 is characterized in that: described substrate (6) is spirally connected with the upper end of described radiator (5).