CN200940796Y

CN200940796Y - LED bulb

Info

Publication number: CN200940796Y
Application number: CNU2006201312800U
Authority: CN
Inventors: 黄正朝
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-25
Filing date: 2006-08-25
Publication date: 2007-08-29
Anticipated expiration: 2016-08-25

Abstract

A LED bulb is provided which comprises a cap, a radiator, a circuit device and a LED group wherein the radiator is located between the cap and the LED group and the circuit device is equipped in the radiator which is a hollow metal duct equipped with more than one thermal fins the periphery of which is housed by a shed shade between which and the thermal fin a radiation channel forms for a ventilation which can extend the service life of a LED bulb.

Description

The LED bulb

Technical field

The utility model relates to a kind of bulb, particularly be a kind ofly to establish a skirt cover in an outside of radiator that is provided with the hollow metallic conduit of a plurality of radiating fins, discharging the high temperature that bulb was produced, and have the LED bulb of easy accessibility effect concurrently.

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 in the industrial circle to reaching the new lighting source that power saving and environmental requirement are done one's utmost to develop.But by in that generally the radiating effect of LED bulb is not good on the market, in dismounting, cause user of service's inconvenience easily, and damage because of the high temperature that it produced easily.Therefore,, only can reach the effect of power saving, and can't bring into play maximum effectiveness, improved space is still arranged though existing LED bulb can meet user's part demand.

In view of this, in order to improve above-mentioned shortcoming, make the LED bulb can have heat radiation, heat insulation and practical demand concurrently, can allow the user of service assemble easily and to save the waste of material, long-pending experience and the constantly research and development improvement for many years of creator has generation of the present utility model then.

Summary of the invention

Main purpose of the present utility model is, a kind of LED bulb is provided, and by by with a hollow metal pipe that is provided with a plurality of radiating fins, and described hollow metal pipe is coated with the coating of a high heat-conducting, and the high temperature that the LED bulb is produced is discharged.

Another purpose of the present utility model is to be, a kind of LED bulb is provided, by being provided with a skirt cover, can make the heat dissipation channel that forms between described skirt cover and the radiating fin for circulation of air, effectively to reach good thermolysis by outside at the radiating fin of radiator.

Another purpose of the present utility model is, a kind of LED bulb is provided, by being provided with a skirt cover by outside at the radiating fin of described radiator, high temperature with the buffering radiator is delivered to surface, radiating fin outside, can make personnel when the described LED bulb of dismounting, can do not scalded or incised wound, and reach effect attractive in appearance by the radiating fin of high temperature.

In order to achieve the above object, the technical solution adopted in the utility model is, a kind of LED bulb is provided, and it comprises a lamp holder, a radiator, a circuit arrangement and a LED lamp group.Wherein, described radiator is one to be provided with the hollow metal pipe of a plurality of radiating fins, and an end of described hollow metal pipe is to combine with above-mentioned lamp holder, and end is provided with a location division in addition, is arranged on the described location division for described LED lamp group.

During enforcement, described circuit arrangement is arranged in the hollow metal pipe of above-mentioned radiator, and joins with above-mentioned lamp holder and LED lamp group respectively at its two ends, to obtain power supply.Surround in addition the radiating fin of described radiator by a skirt cover, when the described LED bulb of dismounting, described skirt cover can produce the effect of protection, and personnel's hand can not hurt because of sharp keen radiating fin, or scalds because of the high temperature of radiating fin.Form heat dissipation channel between described again skirt cover and the radiating fin, better heat radiating effect can be provided for circulation of air.

The utlity model has following advantage:

1.LED the life-span of bulb is long.

2. be convenient to dismounting, avoid being subjected to the incised wound or the scald of radiating fin, to guarantee user of service's safety.

3. heat radiation is effective.

4. can change the light shield of different patterns at any time, to increase the practicality of described LED bulb.

For further understanding the utility model, below lift preferred embodiment, cooperate diagram, figure number, concrete constitution content of the present utility model and the effect reached thereof are described in detail as the back:

Description of drawings

Fig. 1 is the assembling schematic diagram of preferred embodiment of the present utility model;

Fig. 2 is the stereo appearance figure of the embodiment of the 1st figure;

Fig. 3 is the stereo appearance figure of another embodiment of the present utility model;

Fig. 4 is the stereo appearance figure of another embodiment of the present utility model;

Fig. 5 is the assembling schematic diagram of the embodiment of Fig. 1;

Fig. 6 is the stereo appearance figure of the embodiment of Fig. 5;

Fig. 7 is the stereo appearance figure of the user mode of light shield of the present utility model;

Fig. 8 is the combination section of light shield of the present utility model at another embodiment.

Description of reference numerals: 1-LED bulb; The 11-lamp holder; The 12-radiator; The 121-radiating fin; The 122-hollow metal pipe; The 123-location division; The 124-catching groove; The 13-circuit arrangement; The 131-circuit board; The 132-electric wiring; 14-LED lamp group; The 141-fixed head; The 142-LED lamp; 2-skirt cover; The 3-light shield; 4-buckle assembly.

The specific embodiment

See also Fig. 1,2, it is the preferred embodiment of the utility model LED bulb 1, comprises a lamp holder 11, a radiator 12, a circuit arrangement 13 and a LED lamp group 14.The surface of wherein said lamp holder 11 is provided with a thread, is to meet the E27 standard and can be installed on the general bulb power socket; One end of described radiator 12 is combined on the described lamp holder 11, and end then combines with described LED lamp group 14 in addition.

Described radiator 12 is one to be provided with the hollow metal pipe 122 of a plurality of radiating fins 121, and described hollow metallic conduit 122 and described radiating fin 121 be coated with the material of a high heat-conducting, makes described radiator 12 reach good thermolysis.One end of described hollow metal pipe 122 is to combine with above-mentioned lamp holder 11, and end then is provided with a location division 123 in addition, after the described LED lamp group 14 of confession is arranged on the described location division 123, joins with described circuit arrangement 13 again.Moreover, described a plurality of radiating fins 121 be can be laterally or directly to mode be located at interval on the described hollow metal pipe 122 and (see also Fig. 3,4).

Described circuit arrangement 13 is arranged in the hollow metal pipe 122 of above-mentioned radiator 12, and join with lamp holder 11 and LED lamp group 14 respectively at the two ends of described hollow metal pipe 122, make described LED lamp group 14 can see through described circuit arrangement 13 and obtain behind the power supply so that illumination to be provided.

During enforcement, described circuit arrangement 13 comprises a slice circuit board 131 at least and the electric wiring 132 that is located at described circuit board 131 two ends, makes described lamp holder 11 and LED lamp group 14 see through described electric wiring 132 and switch on.Moreover described LED lamp group 14 is provided with a plurality of LED lamps 142 by a fixed head 141 to be formed, and described fixed head 141 be provided with two screw holes, be provided with the screw location division 123 of described LED lamp group 14 that be spirally connected at described radiator 12.In addition, described circuit arrangement 13 more visual use occasions and install an alternating current that uses for LED bulb 1 additional and change galvanic power supply unit, or directly by the power supply unit of direct current input, or a surging attractor that supplies the circuit of holding circuit plate 131.

See also Fig. 5, Fig. 6, the outside of the radiating fin 121 of wherein said radiator 12 is hidden by a skirt cover 2 encloses; In the present embodiment, be equipped with a catching groove 124 for described skirt cover 2 fastenings on the radiating fin 121 of described radiator 12, make and form a heat dissipation channel for circulation of air between described skirt cover 2 and the radiating fin 121.When using described LED lamp group 1, LED lamp 142 produces the high temperature that sends and reaches the purpose of heat radiation except conducting with the heat radiation mode with heat by the radiator 12 that is coated with highly heat-conductive material, also can be by producing cross-ventilation, to lower the high temperature on radiating fin 12 surfaces by the both sides of skirt cover 2 and the heat dissipation channel between the radiating fin 12.

As Fig. 7, shown in Figure 8, it is another embodiment of the utility model LED bulb 1, the top of described LED lamp group 14 is provided with a light shield 3, described light shield 3 is provided with the buckle assembly 4 of working in coordination with described skirt cover 2, and described buckle assembly 4 is the combination of a dovetail groove and dovetail tenon, or the combination of arc groove and a circular arc tenon, so that fastening with skirt cover 2, light shield 3 fits together, be fixed on the described radiator 12.When reality is used, because of can assembling or dismantle described light shield 3 and described skirt cover 2 easily, so the needs of visual use occasion and change the light shield 3 of various patterns at any time, for example diamond shaped, circular-arc, light shield rich colour or transparent or the like.

In sum, according to the content that is above disclosed, the utility model really can reach the intended purposes of creation, provides a kind of and can not only have heat radiation and anti-scald LED bulb concurrently, and can reduce the loss of LED bulb, has the value of utilizing on the industry.

More than explanation is novel just illustrative for this; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.

Claims

1. a LED bulb is mounted on the general bulb power socket, it is characterized in that it comprises:

One lamp holder is combined on the bulb power socket;

One radiator is one to be provided with the hollow metal pipe of a plurality of radiating fins, is combined on the above-mentioned lamp holder;

One circuit arrangement is arranged in the hollow metal pipe of above-mentioned radiator, and joins with above-mentioned lamp holder, to obtain power supply; And

One LED lamp group is arranged on the hollow metal pipe of above-mentioned radiator, and described LED lamp group is to join with the foregoing circuit device, can provide illumination after obtaining power supply by described circuit arrangement.

2. LED bulb as claimed in claim 1 is characterized in that, the surface of described lamp holder is provided with a thread and supplies to be spirally connected with the bulb power socket, and described lamp holder is to meet the E27 standard.

3. LED bulb as claimed in claim 1 is characterized in that, an end of the hollow metal pipe of described radiator is to combine with above-mentioned lamp holder, and end then is provided with a location division in addition, and LED lamp group is joined with circuit arrangement after being arranged on the described location division.

4. LED bulb as claimed in claim 1 is characterized in that, described a plurality of radiating fins are laterally or directly to be located at interval on the described hollow metal pipe to mode.

5. LED bulb as claimed in claim 1 is characterized in that, described radiator is the coating that is coated with a high heat-conducting.

6. LED bulb as claimed in claim 1 is characterized in that, described circuit arrangement also comprises a slice circuit board at least and the electric wiring that is located at described circuit board two ends, and lamp holder and LED lamp group are switched on by described electric wiring.

7. LED bulb as claimed in claim 3 is characterized in that, described LED lamp group is that a fixed head is provided with a plurality of LED lamps and forms, and described fixed head is for the location division of fixing described LED lamp group at described radiator.

8. LED bulb as claimed in claim 1 is characterized in that, the outside of the radiating fin of described radiator is hidden by a skirt cover in addition encloses, and makes the heat dissipation channel that forms between described skirt cover and the radiating fin for circulation of air.

9. LED bulb as claimed in claim 1 is characterized in that, the top of described LED lamp group

Also be provided with a light shield, and described light shield is to be diamond shaped or circular-arc.