CN202361109U

CN202361109U - High-power LED bulb

Info

Publication number: CN202361109U
Application number: CN2011203939846U
Authority: CN
Inventors: 王毅
Original assignee: GUANGZHOU YINXU PHOTOELECTRIC TECHNOLOGY Co Ltd
Current assignee: GUANGZHOU YINXU PHOTOELECTRIC TECHNOLOGY Co Ltd
Priority date: 2011-10-17
Filing date: 2011-10-17
Publication date: 2012-08-01
Anticipated expiration: 2021-10-17

Abstract

The utility model discloses a high-power LED bulb, which comprises a transparent cover, a high-power LED, a metal circuit board, a lamp holder and a lamp cap type transformer. The high-power LED is fixedly arranged on the metal circuit board and electrically connected with the metal circuit board, the metal circuit board is embedded on the lamp holder and electrically connected with the lamp cap type transformer via a power cord, and the transparent cover is embedded on the lamp holder. The high-power LED bulb is characterized in that a radiator is further disposed between the lamp holder and the lamp cap type transformer of the bulb, and is respectively connected with the lamp holder and the lamp cap type transformer. The high-power LED bulb is fine in radiating effect and convenient in use, and can be used as or replace a high-power LED bulb with a traditional lamp cap which can be an E27 lamp cap or an E14 lamp cap or an E26 lamp cap or a GU10 lamp cap or an MR16 lamp cap or the like. The service life of the bulb and the light failure time can be prolonged well.

Description

A kind of high-power LED bulb

Technical field

The utility model relates to a kind of LED lighting, specifically is meant a kind of high-power LED bulb.

Background technology

LED=Light Emitting Diode, it is a light emitting diode, is a kind of solid-state semiconductor devices that can electric energy be converted into visible light, it can directly be converted into light to electricity.LED is by nontoxic material, and containing mercury unlike fluorescent lamp can pollute, and LED also can recycling simultaneously.Do not have ultraviolet ray and infrared ray in the spectrum, both do not had heat, also do not have radiation, dazzle is little, and cold light source can safe touch, belongs to typical green illumination light source.LED also have the life-span long, advantages such as firm, that shape is little, electricity consumption is few, the heat radiation of environment-protecting asepsis, multiple colour light emitting, generation is few, direct current forces down, the response time is fast are installed.Because present LED lamp also is in developing period, many-sided technology is immature, and price is higher.But it is still thought that by extraneous people will replace traditional illuminations future.

Present high-power LED bulb includes 1W, 3W, 4W or major types more.They all have a kind of common characteristic on construction packages, all be made up of diffuser, LED, metal circuit board, power line, lamp socket, transformer, lamp holder connector, lamp holder.At first great power LED must be fixed on metal circuit board such as the aluminium base, and is then that metal circuit board and lamp socket is bonding, thereby derives the heat that great power LED produces when work.Good heat radiation can guarantee the service life of great power LED.But because great power LED requires than higher radiator structure, the mould that relates to can be very expensive, and mould typing in a single day, then is difficult to revise, and the price of modification is also quite expensive.So be unfavorable for developing the light fixture product of multi-series.

Because present stage, global energy is in short supply, impels each state of the whole world all to place above the other things energy-conservation.Because conventional lamp such as tengsten lamp and Halogen lamp LED etc. are about to eliminate at leisure, the high-power LED bulb that this just needs a kind of multi-functional combination lamp holder, have a good heat radiating reaches generation or compatibility.

The utility model content

The purpose of the utility model provide a kind of good heat dissipation effect, easy to use, can be compatible or replace the high-power LED bulb of conventional lamp lamp holder such as E27, E14, E26, GU10, MR16 lamp holder etc., to prolonging bulb life and prolonging the light decay time and have good action.

The purpose of the utility model realizes through following technical scheme: a kind of high-power LED bulb; Comprise diffuser, great power LED, metal circuit board, lamp socket and lamp head type transformer; Described great power LED is fixedly installed on the metal circuit board and with metal circuit board and is electrically connected; Said metal circuit board is inlaid on the lamp socket, is electrically connected through power line between said metal circuit board and the lamp head type transformer, and said diffuser is inlaid on the lamp socket; It is characterized in that: said bulb also is provided with radiator between lamp socket and lamp head type transformer, and said radiator is connected with the lamp head type transformer with lamp socket respectively.

The utility model can be done following improvement: said radiator is a tube structure; Cylinder body outer wall is provided with a plurality of arc fin; A plurality of arc fin are continuous shape along cylinder body outer wall and distribute; Each sheet fin in a plurality of arc fin all along drum shaft to setting, a plurality of arc fin have the crooked radian to equidirectional bending in the radial direction at cylindrical shell, have the heat radiation gap between the adjacent fin.

The utility model can be done following further improvement: said a plurality of arc fin evenly distribute along cylinder body outer wall, have equal heat radiation gap between the adjacent fin.

In the utility model; Said lamp head type transformer is made up of transformer, lamp holder connector and standard lamp head; Said transformer places the lamp holder connector; The lamp holder connector is encapsulated in the standard lamp head with electronic pastes admittedly, and this lamp holder connector can connect various standard lamp heads, like E27, E14, E26, GU10, MR16 etc.But be not limited to above lamp holder, this transformer is electrically connected with the screw shaped lamp socket through power line.

The utility model can be done following improvement: the inwall of said radiator is equipped with internal thread at top and bottom; Described lamp socket is for having externally threaded screw shaped lamp socket; Said lamp head type transformer is for having externally threaded screw shaped transformer; The internal thread at said radiator inwall top and the external screw thread of lamp socket are complementary, and the internal thread of bottom then is complementary with the external screw thread of lamp head type transformer.

The screw thread of the screw shaped lamp socket of the LED bulb of the utility model through bottom outer wall is complementary with the screw thread of radiator top inner wall and is connected; And pass to radiator to the LED bulb at the heat in when work; Radiator is derived heat through slit on one's body and is put in the air, reaches the effect of heat radiation.The screw thread of radiator through bottom interior wall is complementary with the screw thread of lamp head type transformer top exterior walls and links to each other.

In the utility model, the barrel that the power line that connects between said metal circuit board and the lamp head type transformer passes radiator, power line is cabling internally.

Compared with prior art, the combining structure of the high-power LED bulb of the utility model is not only multi-functional but also attractive in appearance; Can make up various standard lamp head again, in the use, can reach with the conventional lamp coexistence and use; On production cost; Can reach multiple the matching of lamp holder and lamp holder connector mould, reduce die sinking tool and the expense of revising mould, enhance productivity.On energy conservation, the LED lamp holder of the utility model is the same with the conventional lamp lamp holder, and being connected energising can use with the furniture lamp socket, has reduced required expense and material are installed.Energy efficient, compliance with environmental protection requirements.

Description of drawings

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is explained further details.

Fig. 1 is the decomposition texture sketch map of the utility model high-power LED bulb;

Fig. 2 is the overall structure sketch map of the utility model high-power LED bulb.

The specific embodiment

Like Fig. 1, a kind of high-power LED bulb shown in Figure 2; Comprise diffuser 1, great power LED 2, metal circuit board 3, lamp socket 4 and lamp head type transformer 7; Diffuser 1 adopts transparent plastic to process, and diffuser 1 is inlaid on the lamp socket 4, and great power LED 2 is fixedly installed on the metal circuit board 3 and with metal circuit board 3 and is electrically connected; Metal circuit board 3 is inlaid on the lamp socket 4; Be electrically connected through power line 6 between metal circuit board 3 and the lamp head type transformer 7, bulb also is provided with the radiator 5 with heat sinking function between lamp socket 4 and lamp head type transformer 7, and radiator 5 is connected with lamp head type transformer 7 with lamp socket 4 respectively.Lamp socket 4 all adopts metal material or the alloy material with good heat conductive performance with radiator 5.

Radiator 5 is a tube structure; Cylinder body outer wall is provided with a plurality of arc fin, and a plurality of arc fin are continuous shape along cylinder body outer wall and distribute, each the sheet fin in a plurality of arc fin all along drum shaft to setting; A plurality of arc fin have the crooked radian to the equidirectional bending in the radial direction at cylindrical shell; Have the heat radiation gap between the adjacent fin, a plurality of arc fin evenly distribute along cylinder body outer wall, have equal heat radiation gap between the adjacent fin.

In the present embodiment; The inwall of radiator 5 is equipped with internal thread at top and bottom; Lamp socket 4 is for having externally threaded screw shaped lamp socket; Lamp head type transformer 7 is for having externally threaded screw shaped transformer, and the internal thread at radiator 5 inwall tops and the external screw thread of lamp socket 4 are complementary, and the internal thread of bottom then is complementary with the external screw thread of lamp head type transformer 7.Lamp socket 4 closely is connected through rotation with radiator 5, and the heat that sends in the time of can great power LED 2 being worked is communicated on the radiator as soon as possible, convenient again the installation, and the heat that radiator absorbs is then discharged from the slit of radiator.The lamp head type transformer is complementary through the screw thread of outer wall and the screw thread of radiator bottom interior wall.

In the present embodiment; Lamp head type transformer 7 is made up of transformer, lamp holder connector and standard lamp head, and transformer places the lamp holder connector, and the lamp holder connector is encapsulated in the standard lamp head with electronic pastes admittedly; Standard lamp head can adopt standard lamp heads such as E27, E14, E26, GU10, MR16; But be not limited to above lamp holder,, this transformer is electrically connected with metal circuit board 3 through power line 6; The barrel that the power line 6 that connects between metal circuit board 3 and the lamp head type transformer 7 passes radiator 5 is from the barrel cabling of radiator 5.

The lamp holder of the LED bulb of the utility model is the same with the conventional lamp lamp holder, and being connected energising can use with the furniture lamp socket, has reduced required expense and material, economical environment-protective are installed.

Claims

1. high-power LED bulb; Comprise diffuser (1), great power LED (2), metal circuit board (3), lamp socket (4) and lamp head type transformer (7); Described great power LED (2) is fixedly installed on metal circuit board (3) and goes up and be electrically connected with metal circuit board (3); Said metal circuit board (3) is inlaid on the lamp socket (4), is electrically connected through power line (6) between said metal circuit board (3) and the lamp head type transformer (7), and said diffuser (1) is inlaid on the lamp socket (4); It is characterized in that: said bulb also is provided with radiator (5) between lamp socket (4) and lamp head type transformer (7), and said radiator (5) is connected with lamp head type transformer (7) with lamp socket (4) respectively.

2. high-power LED bulb according to claim 1; It is characterized in that: said radiator (5) is tube structure; Cylinder body outer wall is provided with a plurality of arc fin, and a plurality of arc fin are continuous shape along cylinder body outer wall and distribute, each the sheet fin in a plurality of arc fin all along drum shaft to setting; A plurality of arc fin have the crooked radian to the equidirectional bending in the radial direction at cylindrical shell, have the heat radiation gap between the adjacent fin.

3. high-power LED bulb according to claim 2 is characterized in that: said a plurality of arc fin evenly distribute along cylinder body outer wall, have equal heat radiation gap between the adjacent fin.

4. high-power LED bulb according to claim 1; It is characterized in that: said lamp head type transformer (7) is made up of transformer, lamp holder connector and standard lamp head; Said transformer places the lamp holder connector, and the lamp holder connector is encapsulated in the standard lamp head with electronic pastes admittedly.

5. high-power LED bulb according to claim 4 is characterized in that: described standard lamp head is E27, E14, E26, GU10 or MR16.

6. according to each described high-power LED bulb of claim 1 to 5; It is characterized in that: the inwall of said radiator (5) is equipped with internal thread at top and bottom; Described lamp socket (4) is for having externally threaded screw shaped lamp socket; Said lamp head type transformer (7) is for having externally threaded screw shaped transformer, and the internal thread at said radiator (5) inwall top and the external screw thread of lamp socket (4) are complementary, and the internal thread of bottom then is complementary with the external screw thread of lamp head type transformer (7).

7. high-power LED bulb according to claim 6 is characterized in that: the barrel that the power line (6) that connects between said metal circuit board (3) and the lamp head type transformer (7) passes radiator (5).