CN203784705U

CN203784705U - LED (Light Emitting Diode) bulb lamp

Info

Publication number: CN203784705U
Application number: CN201420169011.8U
Authority: CN
Inventors: 周益民
Original assignee: TAIZHOU TIANRUI ELECTRICAL APPLIANCE Co Ltd
Current assignee: TAIZHOU TIANRUI ELECTRICAL APPLIANCE Co Ltd
Priority date: 2014-04-09
Filing date: 2014-04-09
Publication date: 2014-08-20
Anticipated expiration: 2024-04-09

Abstract

The utility model provides an LED (Light Emitting Diode) bulb lamp, belongs to the technical field of illumination and solves the problems that the luminous range of the existing LED bulb lamp is small and a light source with a bigger size cannot be mounted. The LED bulb lamp comprises a lamp holder, a heat sink and a light transmitting cover, wherein the heat sink is arranged at the front of the lamp holder; the light transmitting cover is arranged at the front of the heat sink; a heat conduction module of which the front end stretches into the light transmitting cover is fixedly connected in the heat sink; a double-faced COB (Chip On Board) light source is arranged on the front of the heat conduction module; a drive module which is electrically connected with the lamp holder is arranged at the rear part of the heat conduction module; the drive module is electrically connected with the double-faced COB light source; the light transmitting cover is formed by welding a hemispheric glass cover I and a hemispheric glass cover II. The LED bulb lamp has the advantages that the luminous angle is large, the assembly is convenient, and the like.

Description

A kind of LED bulb lamp

Technical field

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

Background technology

Along with the development of LED technology, LED is not only applied to the special lighting such as indicator lamp, backlight field, and start to be widely used in various general lightings field as the substitute products of incandescent lamp, electricity-saving lamp, the advantages such as LED has that the life-span is long, light efficiency is high, radiationless, shock resistance and low-power consumption, belong to energy-conservation environmental protection illumination, therefore the LED lamp taking LED as light source also continues to bring out.For example, work patent discloses a kind of plastic tank radiators great power LED ball bubble [Granted publication CN 202852483 U], comprise hemisphere bubble lampshade, LED lamp plate and lamp holder, on LED lamp plate, be provided with multiple LED lamp pearls, Cap casing and contact screw are installed on lamp holder, between hemisphere bubble lampshade and lamp holder, a plastic tank radiators is installed, this plastic tank radiators arranged outside has multiple fan-shaped radiating fins, between adjacent fan-shaped radiating fin, be provided with pod apertures, this pod apertures is communicated with plastic tank radiators inside center through hole.But the lighting angle of this LED ball bubble is vertical with spreader surface and the expansion taking vertical plane as shafts axle, and lampshade is hemispherical, has the problem that lighting angle is little, and irradiation is less than the place of dispelling the heat below plane.

Summary of the invention

The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of lighting angle LED bulb lamp large, easy to assembly.

The purpose of this utility model can realize by following technical proposal:

This LED bulb lamp, comprise lamp holder, be located at the procephalic radiator of lamp and be located at the diffuser of radiator front portion, it is characterized in that, in described radiator, be fixed with its front end and stretch to the heat conducting module in diffuser, the front portion of described heat conducting module is provided with two-sided COB light source, the rear portion of described heat conducting module is provided with the driver module being electrically connected with lamp holder, described driver module is electrically connected with two-sided COB light source, and described diffuser is formed by hemispheric cloche one and two weldings of hemispheric cloche.

In the time that the volume of two-sided COB light source is larger, because the loading port of ball bubble afterbody is less, two-sided COB light source can not directly pack into from the afterbody of ball bubble, can only be after first cloche two being encased on radiator, again two-sided COB light source is encased on heat conducting module, and then cloche one and cloche two are welded together.By heat conducting module, two-sided COB light source is supported, make two-sided COB light source away from radiator, and two-sided COB light source can lighting at two sides, lighting angle is large, even if the place being positioned at below radiator plane all can be irradiated to.

In above-mentioned LED bulb lamp, described radiator comprises the aluminum casting that is positioned at the heat radiation plastic cement in outside and is positioned at inner side, and the lateral wall of described aluminium casting fits with the madial wall of heat radiation plastic cement, and above-mentioned heat conducting module tightly fits in the madial wall of described aluminum casting.

The heat that two-sided COB light source sends is absorbed by radiating module, and radiating module is delivered to heat on aluminum casting, then by heat radiation plastic cement by dissipation of heat, due to heat radiation plastic cement be positioned at outermost layer and non-conductive, security is higher.

In above-mentioned LED bulb lamp, described heat conducting module comprises heat conduction aluminum and is located at the plastic body of heat conduction aluminum inside, in described plastic body, be provided with two for connecting the wire of driver module and two-sided COB light source: wire one and wire two, the two ends of described wire one are respectively equipped with elastic conducting acusector one, an elastic conducting acusector one is resisted against on driver module, and another elastic conducting acusector one is resisted against on two-sided COB light source; The two ends of described wire two are respectively equipped with two, one elastic conducting acusectors two of elastic conducting acusector and are resisted against on driver module, and another elastic conducting acusector two is resisted against on two-sided COB light source.

Compared with prior art, this LED bulb lamp has the following advantages: diffuser is formed by hemispheric cloche one and two weldings of hemispheric cloche, can facilitate the two-sided COB light source that volume is larger to pack into; By heat conducting module, two-sided COB light source is supported, make two-sided COB light source away from radiator, and two-sided COB light source can lighting at two sides, lighting angle is large, even if the place being positioned at below radiator plane all can be irradiated to.

Brief description of the drawings

Fig. 1 is the structural representation of a kind of preferred embodiment of providing of the utility model.

In figure, 1, lamp holder; 2, radiator; 21, heat radiation plastic cement; 22, aluminum casting; 3, diffuser; 31, cloche one; 32, cloche two; 4, heat conducting module; 41, heat conduction aluminum; 42, plastic body; 5, two-sided COB light source; 6, driver module; 7, wire one; 71, elastic conducting acusector one; 8, wire two; 81, elastic conducting acusector two.

Detailed description of the invention

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

LED bulb lamp as shown in Figure 1, comprise lamp holder 1, be located at the radiator 2 of lamp holder 1 front portion and be located at the diffuser 3 of radiator 2 front portions, in radiator 2, be fixed with its front end and stretch to the heat conducting module 4 in diffuser 3, the front portion of heat conducting module 4 is provided with two-sided COB light source 5, the rear portion of heat conducting module 4 is provided with the driver module 6 being electrically connected with lamp holder 1, and driver module 6 is electrically connected with two-sided COB light source 5.In the present embodiment, as shown in Figure 1, diffuser 3 is formed by hemispheric cloche 1 and 2 32 weldings of hemispheric cloche.

In the time that the volume of two-sided COB light source 5 is larger, because the loading port of ball bubble afterbody is less, two-sided COB light source 5 can not directly pack into from the afterbody of ball bubble, can only be after first cloche 2 32 being encased on radiator 2, again two-sided COB light source 5 is encased on heat conducting module 4, and then cloche 1 and cloche 2 32 are welded together.By heat conducting module 4, two-sided COB light source 5 is supported, make two-sided COB light source 5 away from radiator 2, and two-sided COB light source 5 can lighting at two sides, lighting angle is large, even if the place being positioned at below radiator 2 planes all can be irradiated to.

Concrete, as shown in Figure 1, radiator 2 comprises the heat radiation plastic cement 21 that is positioned at outside and the aluminum casting 22 that is positioned at inner side, and the lateral wall of aluminium casting fits with the madial wall of heat radiation plastic cement 21, and heat conducting module 4 tightly fits in the madial wall of aluminum casting 22.The heat that two-sided COB light source 5 sends is absorbed by radiating module, and radiating module is delivered to heat on aluminum casting 22, then by heat radiation plastic cement 21 by dissipation of heat, due to heat radiation plastic cement 21 be positioned at outermost layer and non-conductive, security is higher.

As shown in Figure 1, heat conducting module 4 comprises heat conduction aluminum 41 and is located at the plastic body 42 of heat conduction aluminum 41 inside, in plastic body 42, be provided with two for connecting the wire of driver module 6 and two-sided COB light source 5: wire 1 and wire 28, the two ends of wire 1 are respectively equipped with elastic conducting acusector 1, an elastic conducting acusector 1 is resisted against on driver module 6, and another elastic conducting acusector 1 is resisted against on two-sided COB light source 5; The two ends of wire 28 are respectively equipped with 2 81, elastic conducting acusector 2 81 of elastic conducting acusector and are resisted against on driver module 6, and another elastic conducting acusector 2 81 is resisted against on two-sided COB light source 5.

Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims

1. a LED bulb lamp, comprise lamp holder (1), be located at the anterior radiator (2) of lamp holder (1) and be located at the anterior diffuser (3) of radiator (2), it is characterized in that, in described radiator (2), be fixed with its front end and stretch to the heat conducting module (4) in diffuser (3), the front portion of described heat conducting module (4) is provided with two-sided COB light source (5), the rear portion of described heat conducting module (4) is provided with the driver module (6) being electrically connected with lamp holder (1), described driver module (6) is electrically connected with two-sided COB light source (5), described diffuser (3) is formed by hemispheric cloche one (31) and two (32) weldings of hemispheric cloche.

2. a kind of LED bulb lamp according to claim 1, it is characterized in that, described radiator (2) comprises the aluminum casting (22) that is positioned at the heat radiation plastic cement (21) in outside and is positioned at inner side, the lateral wall of described aluminum casting fits with the madial wall of heat radiation plastic cement (21), and above-mentioned heat conducting module (4) tightly fits in the madial wall of described aluminum casting (22).

3. a kind of LED bulb lamp according to claim 1, it is characterized in that, described heat conducting module (4) comprises heat conduction aluminum (41) and is located at the inner plastic body (42) of heat conduction aluminum (41), in described plastic body (42), be provided with two for connecting the wire of driver module (6) and two-sided COB light source (5): wire one (7) and wire two (8), the two ends of described wire one (7) are respectively equipped with elastic conducting acusector one (71), an elastic conducting acusector one (71) is resisted against on driver module (6), another elastic conducting acusector one (71) is resisted against on two-sided COB light source (5), the two ends of described wire two (8) are respectively equipped with elastic conducting acusector two (81), and an elastic conducting acusector two (81) is resisted against driver module (6) above, and another elastic conducting acusector two (81) is resisted against on two-sided COB light source (5).