CN202769327U

CN202769327U - Light-emitting diode (LED) lamp

Info

Publication number: CN202769327U
Application number: CN2012203149809U
Authority: CN
Inventors: 沈李豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-07-02
Filing date: 2012-07-02
Publication date: 2013-03-06
Anticipated expiration: 2022-07-02

Abstract

The utility model discloses a light-emitting diode (LED) lamp, and relates to the field of LED illumination. The LED lamp comprises a lamp cup, a lampshade and an LED light-emitting circuit board. The lampshade is fixedly arranged below the lam cup, and a hollow heat dissipation structure is arranged inside the lampshade. The hollow heat dissipation structure comprises a heat dissipation cavity which is of a hollow heart type structure from the upper end to the lower end. A heat dissipation channel extending outward is arranged between the lampshade and the lam cup, and is communicated with the heat dissipation cavity. The LED light-emitting circuit board is arranged on the outer wall of the cavity wall of the heat dissipation cavity, LED illuminants are arranged on the LED light-emitting circuit board. The LED lamp is good in heat dissipation through convection effect, capable of being suitable for the heat dissipation of a high-power LED lamp and separating a heat dissipation device from an LED lamp power module. The hollow heat dissipation through convection device is arranged inside the lampshade, and thus the heat dissipation structure is safe, low in cost and easy for volume production.

Description

A kind of LED lamp

Technical field

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

Background technology

The LED lamp is popular in recent years a kind of illuminating lamp, along with the LED(light emitting diode) technology develops rapidly, led light source is increasing in the ratio that illumination market occupies, the LED lighting engineering is through for many years development and accumulation, shown outstanding energy-saving effect, led light source has the advantages such as volume is little, energy consumption is low, caloric value is low, the life-span is long as a kind of emerging semiconductor light-emitting elements.Although it is cold light source that LED belongs to, when work, still can produce heat, serious decay appears in the at high temperature brightness meeting of LED lamp.Scatter if heat is untimely, often temperature raises rapidly in the short time, causes brightness to decay fast, has a strong impact on light source life.

LED lamp of the prior art in order to allow the heat fast spread, is installed the metal cooling device of carrying LED luminous circuit board usually in Lamp cup, the recycling metal cooling device is derived heat through the metal shell of Lamp cup.There is shortcomings in this kind radiator structure: the power of one, LED illuminator is subject to larger restriction, when adopting relatively high power LED illuminator, temperature improves rapidly, and the heat rapidly metal cooling device in Lamp cup is derived through the metal shell of Lamp cup, so radiating effect is poor; Two, because LED lamp power control generally also is installed within the Lamp cup, therefore, the metal cooling device that is installed within the Lamp cup not only is difficult to be the heat radiation of LED lamp power control, but also heat can be led into LED lamp power control, cause the problems such as the reduction of LED lamp life-span and power module are affected safely.

The utility model content

The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, and a kind of good heat dissipation effect is provided, and can be applicable to the high-capacity LED lamp heat radiation, the LED lamp that heat abstractor can be separated with LED lamp power module.

For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of LED lamp, comprise Lamp cup, lampshade and LED luminous circuit board, and lampshade is installed in the Lamp cup below; Be provided with the hollow radiator structure in this lampshade, this hollow radiator structure comprises the heat radiation chamber, and this heat radiation chamber is the open-core type structure from the lower end to the upper end; Be provided with outward extending heat dissipation channel between this lampshade and the Lamp cup, this heat dissipation channel connects with the heat radiation chamber; Described LED luminous circuit board is disposed on the outside wall surface of chamber wall of heat radiation chamber, at the equipped LED illuminator of LED luminous circuit board.

Described lampshade lower end arranges passage, and this passage connects with the heat radiation chamber; Further, the lower end of described lampshade is provided with bottom, and this bottom is plate shaped or downward protruding hemispherical or to the dimple-shaped of fovea superior, this bottom is opened passage processed, and passage connects with the heat radiation chamber, so that air flows into the chamber that dispels the heat through passage.

The lampshade space at described heat dissipation channel and LED illuminator place also connects.

The inner wall arrangement of described heat radiation chamber has some radiating fins.

The LED power supply circuit board is installed in the described Lamp cup, and the Lamp cup upper end is connected with screwed socket, and some screws are set on the housing of Lamp cup, so that by screw assembling or dismounting Lamp cup.

This LED lamp also arranges the PIR induction installation; This PIR induction installation is installed under the lampshade to be held.

This LED lamp also arranges some all-colour LED illuminators and on-off controller, and this on-off controller is arranged within the Lamp cup, and is electrically connected with some all-colour LED illuminators, in order to control the whether shinny of some all-colour LED illuminators.

Described Lamp cup adopts the insulation plastic cement to make, and described LED luminous circuit board is folding PCB.

The beneficial effects of the utility model are: one, solved the heat dissipation problem of LED illuminator and LED power supply circuit board whole system, and the cross-ventilation heat radiation energy significantly improves radiating effect, can be adapted to the heat radiation of great power LED illuminator.Its two, radiator structure is simple, low, the easy volume production of cost.Its three, aesthetic feeling is enriched in heat radiation chamber and arbitrarily appearance of lampshade, lampshade can reach the purpose every high temperature, waterproof and dustproof and insulation outside.Its four, radiator structure separates with the LED energy supply control module, to the destruction of LED power module, significantly improves life-span and the security of LED lamp when avoiding the radiator structure excess Temperature.

Description of drawings

Fig. 1 is the utility model embodiment the first structural representation.

Fig. 2 is the utility model embodiment the second structural representation.

Fig. 3 is the third structural representation of the utility model embodiment.

Fig. 4 is the 4th kind of structural representation of the utility model embodiment.

Fig. 5 is the 5th kind of structural representation of the utility model embodiment.

Fig. 6 is the 6th kind of structural representation of the utility model embodiment.

Among the figure: 1. Lamp cup; 2. lampshade; 3.LED luminous circuit board; 31. folding PCB; 4. hollow radiator structure; 41. heat radiation chamber; 5. heat dissipation channel; 6.LED illuminator; 7. passage; 8. bottom; 9. radiating fin; 10.LED power supply circuit board; 11. screwed socket; 12. screw; 13.PIR induction installation; 14. all-colour LED illuminator.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Embodiment one, and as shown in Figure 1, a kind of LED lamp comprises Lamp cup 1, lampshade 2 and LED luminous circuit board 3, and lampshade 2 is installed in Lamp cup 1 below; Be provided with hollow radiator structure 4 in the described lampshade 2, this hollow radiator structure 4 comprises heat radiation chamber 41, and this heat radiation chamber 41 is the open-core type structure from the lower end to the upper end; Be provided with outward extending heat dissipation channel 5 between described lampshade 2 and the Lamp cup 1, this heat dissipation channel 5 connects with heat radiation chamber 41, so that air can be derived through heat dissipation channel 5 from heat radiation chamber 41; Described LED luminous circuit board 3 is disposed on the outside wall surface of chamber wall of heat radiation chamber 41, at LED luminous circuit board 3 equipped LED illuminators 6.In the described Lamp cup 1 LED power supply circuit board 10 is installed, Lamp cup 1 upper end is connected with screwed socket 11, like this so that

radiator structure

4,5 with the separating of LED energy supply control module 10; Some screws 12 are set (with reference to Fig. 1～Fig. 6), so that by screw assembling or dismounting Lamp cup 1, in order to reclaim or revise on the housing of Lamp cup 1.Further, described heat dissipation channel 5 also connects with the lampshade space at LED illuminator 6 places, so that air can enter from the external world lampshade space at LED illuminator 6 places with heat dissipation channel 5.

Embodiment two, and as shown in Figures 2 and 3, overall technical architecture and embodiment one are similar, its difference is, embodiment two also arranges passage 7 in lampshade 2 lower ends, and this passage 7 connects with heat radiation chamber 41, like this, air can enter into heat radiation chamber 41 from passage 7.Further preferred as to passage 7, as shown in Figure 2, the lower end of described lampshade 2 is provided with bottom 8, this bottom 8 can be plate shaped or downward protruding hemispherical or to the dimple-shaped of fovea superior, this bottom 8 is opened passage 7 processed, and passage 7 connects with heat radiation chamber 41, so that air flows into heat radiation chamber 41 through passage.In addition, as seen from Figure 2, the inner wall arrangement of described heat radiation chamber 41 has some radiating fins 9, be beneficial to heat radiation, need to prove, this radiating fin 9 is not limited in embodiment two to arrange, and also radiating fin 9 can be set equally in other examples that embodiment one and back are introduced.

Embodiment three, and such as Fig. 4, Fig. 5 and shown in Figure 6, this LED lamp also can arrange PIR induction installation 13, can and extinguish the realization remote control to the shinny of LED lamp like this, also can and extinguish the shinny of LED lamp and realize the automatic sensing of human body, and, both be conducive to energy-conservationly, also be beneficial to safety; Further, described PIR induction installation 13 is installed on end under the lampshade 2.

Embodiment four, as shown in Figure 5, this LED lamp also can arrange some all-colour LED illuminators 14 and on-off controller, this on-off controller is arranged within the Lamp cup 1, and be electrically connected with some all-colour LED illuminators 14, in order to control the whether shinny of some all-colour LED illuminators 14, this switch controlling device can be integrated in one with described LED power supply circuit board 10.By all-colour LED illuminator 14 is set, can makes this LED lamp produce and dazzle beautiful effect.

In the above-described embodiments, Lamp cup 1 can adopt the insulation plastic-injection to make.Power supply control dc output end will be carried to more than the DC100V, and service efficiency increases electric power.Described LED luminous circuit board 3 is soft folding PCB 31, in order to reclaim or revise.The material of heat radiation chamber 41 is the metal materials such as copper, aluminium, alloy.The shape of lampshade 2 is varied, can be petal tubular, cylindrical shape, ball bubble shape etc.In addition, screwed socket 11 of the present utility model can be the disposable type lamp holder, such as: E27.E26, E40 etc.Radiator structure 4 of the present utility model, 5 can be applied to multiple LED light fixture, such as: LED bulb, courtyard lamp, street lamp, T5, T8, T10 fluorescent tube etc.

The above only is the utility model better embodiment, and every any trickle modification, equivalent variations and modification of above embodiment being done according to the technical solution of the utility model all belongs in the scope of technical solutions of the utility model.

Claims

1. a LED lamp comprises Lamp cup, lampshade and LED luminous circuit board, and lampshade is installed in the Lamp cup below; It is characterized in that: be provided with the hollow radiator structure in the described lampshade, this hollow radiator structure comprises the heat radiation chamber, and this heat radiation chamber is the open-core type structure from the lower end to the upper end; Be provided with outward extending heat dissipation channel between described lampshade and the Lamp cup, this heat dissipation channel connects with the heat radiation chamber; Described LED luminous circuit board is disposed on the outside wall surface of chamber wall of heat radiation chamber, at the equipped LED illuminator of LED luminous circuit board.

2. LED lamp according to claim 1, it is characterized in that: described lampshade lower end arranges passage, and this passage connects with the heat radiation chamber.

3. LED lamp according to claim 2, it is characterized in that: the lower end of described lampshade is provided with bottom, this bottom is plate shaped or downward protruding hemispherical or to the dimple-shaped of fovea superior, this bottom is opened passage processed, and passage and heat radiation chamber connect, so that air flows into the heat radiation chamber through passage.

4. LED lamp according to claim 1, it is characterized in that: the lampshade space at described heat dissipation channel and LED illuminator place also connects.

5. LED lamp according to claim 1, it is characterized in that: the inner wall arrangement of described heat radiation chamber has some radiating fins.

6. LED lamp according to claim 1 is characterized in that: the LED power supply circuit board is installed in the described Lamp cup, is connected with screwed socket on the Lamp cup, some screws are set on the housing of Lamp cup, so that by screw assembling or dismounting Lamp cup.

7. LED lamp according to claim 1 is characterized in that: the PIR induction installation also is set.

8. LED lamp according to claim 7, it is characterized in that: described PIR induction installation is installed under the lampshade to be held.

9. LED lamp according to claim 1, it is characterized in that: some all-colour LED illuminators and on-off controller also are set, this on-off controller is arranged within the Lamp cup, and is electrically connected with some all-colour LED illuminators, in order to control the whether shinny of some all-colour LED illuminators.

10. the described LED lamp of any one claim according to claim 1～9 is characterized in that: described Lamp cup adopts the insulation plastic cement to make, and described LED luminous circuit board is folding PCB.