CN203099414U

CN203099414U - Light-emitting diode (LED) lamp capable of enhancing heat dissipation performance

Info

Publication number: CN203099414U
Application number: CN201220747169XU
Authority: CN
Inventors: 傅轶; 苏军华; 张�林
Original assignee: DONGGUAN FONDSUN TECHNOLOGY Co Ltd
Current assignee: DONGGUAN FONDSUN TECHNOLOGY Co Ltd
Priority date: 2012-12-31
Filing date: 2012-12-31
Publication date: 2013-07-31
Anticipated expiration: 2022-12-31

Abstract

The utility model belongs to the technical field of light-emitting diode (LED) lamps, and particularly relates to an LED lamp capable of enhancing heat dissipation performance. The LED lamp comprises a plastic lamp housing, an aluminum insert and an LED assembly. A lamp shade is connected on the upper end portion of the plastic lamp housing. A lamp cap is connected on the lower end portion of the plastic lamp housing. The plastic lamp housing wraps the side face of the aluminum insert. The LED assembly is arranged in the plastic lamp housing and connected with the aluminum insert. The inner surface and the outer surface of the plastic lamp housing are both smooth surfaces. According to the LED lamp capable of enhancing the heat dissipation performance, a heat dissipation structure combining the aluminum insert and the plastic lamp housing is used for the heat dissipation of the LED assembly, the heat dissipation structure combining the aluminum insert and the plastic lamp housing can quickly conduct and dissipate heat generated by the LED assembly, and therefore the service life of the LED lamp is prolonged. Due to the fact that the inner surface and the outer surface of the plastic lamp housing are both smooth surfaces, cooling fins do not need to be arranged, the structure is simple, production cost is low, and the size of the plastic lamp housing can be reduced.

Description

A kind of LED lamp that promotes heat dispersion

Technical field

The utility model belongs to LED lamp technical field, relates in particular to a kind of LED lamp that promotes heat dispersion.

Background technology

Advantages such as the LED light fixture has efficiently, energy-saving and environmental protection, therefore present people are devoted to the research and extension of LED lamp.Yet LED can produce heat energy and temperature rise phenomenon as all electronic components in use or operation, if ignore heat dissipation problem, the result that will cause LED to burn ahead of time because of high temperature.The design of LED lamp is comparatively complicated than traditional light fixture, the design of LED lamp relates to some optics, the design of electronics and radiator structure, wherein the design of radiator structure is even more important, because the electric conversion rate of present LED lamp only has 20% can convert light to, all the other 80% can be converted to heat energy, so high heat that very important LED lamp is brought, therefore just must consider its thermal diffusivity about the design of LED lamp, if thermal diffusivity poor effect then can produce the heat build-up phenomenon, can cause the damage of light fixture through long-term use, accelerate aging, shorten the service life of LED lamp, in addition, also there are some security risks in the use.Environmental consciousness based on present people constantly strengthens, and should consider that to making the LED lamp better heat radiating effect can be arranged, and also must reduce cost.But industry adopts aluminum material moldings formed therefrom lamp housing to be used as radiator structure to the LED lamp, and this measure is with high costs, does not meet the requirement of modern industry to cost calculation.Therefore, it is low that industry is needed a kind of production cost badly, and the good LED lamp of radiating effect.

The utility model content

The purpose of this utility model is to provide a kind of production cost lower at the deficiencies in the prior art, and the good LED lamp of radiating effect.

For achieving the above object, a kind of LED lamp that promotes heat dispersion of the present utility model, comprise plastics lamp housing, aluminium inserts and LED assembly, the upper end of described plastics lamp housing is connected with lampshade, the bottom of described plastics lamp housing is connected with lamp holder, described plastics lamp housing is coated on the side of described aluminium inserts, and described LED assembly is arranged in the plastics lamp housing and with the aluminium inserts and is connected, and the inner surface and the outer surface of plastics lamp housing are shiny surface.

Wherein, described aluminium inserts is a sealed end near an end of lampshade, and the aluminium inserts is an openend near an end of lamp holder.

Wherein, described LED assembly comprises aluminium base and several LED lamp pearls, and the one side of described aluminium base is connected with the sealed end of aluminium inserts, and several LED lamp pearls evenly are arranged at the another side of aluminium base.

Wherein, be provided with power supply in the described aluminium inserts and put post, the end that described power supply is put post is connected with the sealed end of aluminium inserts, and the other end that power supply is put post is connected with lamp holder.

Wherein, it is that hollow type is put post that described power supply is put post, and the internal perisporium of an end of this power supply storing post is provided with screwed hole and fixedlys connected with the sealed end of aluminium inserts by screw; The other end that power supply is put post is provided with connector, this connector and lamp holder socket.

Wherein, the upper end socket of described lampshade and plastics lamp housing.

Wherein, described plastics lamp housing is polyamide lamp housing or polyphenylene sulfide lamp housing.

The beneficial effects of the utility model: a kind of LED lamp that promotes heat dispersion of the present utility model, wherein, the plastics lamp housing is coated on the side of aluminium inserts, the LED assembly is arranged in the plastics lamp housing and with the aluminium inserts and is connected, in use, the heat that the LED assembly produces is delivered on the aluminium inserts that is connected with the LED assembly, and the heat on the aluminium inserts is delivered on the plastics lamp housing that is coated on the aluminium inserts again, the plastics lamp housing fully contacts with the air in the external world, and heat is distributed.Because the plastics lamp housing is coated on the side of aluminium inserts, wherein plastics lamp housing and aluminium inserts seamless applying, the heat that helps on the aluminium inserts is delivered on the plastics lamp housing fast, the plastics lamp housing distributes the heat that the LED assembly produces apace again, prevent that the LED lamp can the accelerated ageing because of being in hot environment for a long time, thereby prolonged the service life of LED lamp.The utility model adopts the radiator structure of aluminium inserts and the combination of plastics lamp housing that the LED assembly is dispelled the heat, and the radiator structure of aluminium inserts and the combination of plastics lamp housing can be derived heat radiation fast to the heat that the LED assembly produces, thereby prolongs the service life of LED lamp; The inner surface and the outer surface of plastics lamp housing are shiny surface, do not need to be provided with radiating fin, and simple in structure, manufacturing cost is lower, and can reduce the volume of plastics lamp housing.

Description of drawings

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

Fig. 2 is a STRUCTURE DECOMPOSITION schematic diagram of the present utility model.

Fig. 3 is the structural representation that power supply of the present utility model is put post.

Fig. 4 removes lampshade structural representation afterwards for the utility model.

Reference numeral comprises:

1-plastics lamp housing, 2-aluminium inserts, 3-LED assembly

4-lampshade, 5-lamp holder, 6-power supply is put post

31-aluminium base, 32-LED lamp pearl, 61-screwed hole

62-connector.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in detail.

As shown in Figures 1 to 4, a kind of LED lamp that promotes heat dispersion of the present utility model, comprise plastics lamp housing 1, aluminium inserts 2 and LED assembly 3, the upper end of described plastics lamp housing 1 is connected with lampshade 4, the bottom of described plastics lamp housing 1 is connected with lamp holder 5, described plastics lamp housing 1 is coated on the side of described aluminium inserts 2, and described LED assembly 3 is arranged in the plastics lamp housing 1 and with aluminium inserts 2 and is connected, and the inner surface and the outer surface of plastics lamp housing 1 are shiny surface.

A kind of LED lamp that promotes heat dispersion of the present utility model, wherein, aluminium inserts 2 adopts spinning process to make axisymmetric shape, its end that is connected with LED assembly 3 is the bigger end of diameter, an other end then is that diameter is than small end, adopt this design, the bigger end of diameter is connected with LED assembly 3 because its area helps heat conduction and heat radiation more more, an other end is designed to diameter and then more helps and being connected of lamp holder 5 than small end, 1 side that is injected and molded in aluminium inserts 2 of plastics lamp housing is with aluminium inserts 2 seamless applyings.The LED lamp in the course of the work, the heat that LED assembly 3 produces is delivered on the aluminium inserts 2 that is connected with LED assembly 3, heat on the aluminium inserts 2 is delivered on the plastics lamp housing 1 that is coated on aluminium inserts 2 again, and plastics lamp housing 1 fully contacts with the air in the external world, and heat is distributed.Because plastics lamp housing 1 is coated on the side of aluminium inserts 2, wherein plastics lamp housing 1 and aluminium inserts 2 seamless applyings, the heat that helps on the aluminium inserts 2 is delivered on the plastics lamp housing 1 fast, plastics lamp housing 1 distributes the heat that LED assembly 3 produces apace again, prevent that the LED lamp can the accelerated ageing because of being in hot environment for a long time, thereby prolonged the service life of LED lamp.The utility model adopts the aluminium inserts 2 and the radiator structure of plastics lamp housing 1 combination that LED assembly 3 is dispelled the heat, aluminium inserts 2 can be derived heat radiation to the heat that LED assembly 3 produces fast with the radiator structure of plastics lamp housing 1 combination, thereby prolongs the service life of LED lamp; The inner surface and the outer surface of plastics lamp housing 1 are shiny surface, do not need to be provided with radiating fin, and simple in structure, manufacturing cost is lower, and can reduce the volume of plastics lamp housing 1.

In the present embodiment, described aluminium inserts 2 is a sealed end near an end of lampshade 4, and aluminium inserts 2 is an openend near an end of lamp holder 5.Being provided with of sealed end can increase the contact area of whole aluminium inserts 2 and LED assembly 3, helps the heat that LED assembly 3 produces is carried out quick conductive.

In the present embodiment, described LED assembly 3 comprises aluminium base 31 and several LED lamp pearls 32, and the one side of described aluminium base 31 is fitted and connected with the sealed end of aluminium inserts 2, guarantees that the heat that aluminium base 31 produces can be delivered on the aluminium inserts 2 fast, in addition, several LED lamp pearls 32 evenly are arranged at the another side of aluminium base 31, and LED lamp pearl 32 evenly distributes, and make the more even light emission of LED lamp, illuminating effect is better, thereby make spread heat more even, heat radiation is more accelerated, better heat-radiation effect.

In the present embodiment, be provided with power supply in the described aluminium inserts 2 and put post 6, the end that described power supply is put post 6 is connected with the sealed end of aluminium inserts 2, and the other end that power supply is put post 6 is connected with lamp holder 5.Power supply is put the lead that post 6 can be placed driving power and relevant components and parts, makes the structure of whole LED lamp more succinct.

Concrete, described power supply is put post 6 and is put post for hollow type, and the internal perisporium of an end of this power supply storing post 6 is provided with screwed hole 61 and fixedlys connected with the sealed end of aluminium inserts 2 by screw; The other end that power supply is put post 6 is provided with connector 62, this connector 62 and lamp holder 5 sockets.The end that the sealed end of aluminium inserts 2 and power supply are put post 6 is connected by screw, the other end that power supply is put post 6 then be provided with connector 62 and with lamp holder 5 sockets, make that the mounting or dismounting of whole LED lamp are simpler, and be convenient to maintenance.

In the present embodiment, the upper end socket of described lampshade 4 and plastics lamp housing 1 can realize Fast Installation and dismounting, makes that the assembling of LED lamp is more convenient, has correspondingly improved the production efficiency of LED lamp.

Concrete, described plastics lamp housing 1 is polyamide lamp housing or polyphenylene sulfide lamp housing.

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, the part that all can change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.

Claims

1. LED lamp that can promote heat dispersion, comprise plastics lamp housing (1), aluminium inserts (2) and LED assembly (3), the upper end of described plastics lamp housing (1) is connected with lampshade (4), the bottom of described plastics lamp housing (1) is connected with lamp holder (5), it is characterized in that: described plastics lamp housing (1) is coated on the side of described aluminium inserts (2), described LED assembly (3) is arranged in the plastics lamp housing (1) and with aluminium inserts (2) and is connected, and the inner surface and the outer surface of plastics lamp housing (1) are shiny surface.

2. a kind of LED lamp that promotes heat dispersion according to claim 1 is characterized in that: described aluminium inserts (2) is a sealed end near an end of lampshade (4), and aluminium inserts (2) is an openend near an end of lamp holder (5).

3. a kind of LED lamp that promotes heat dispersion according to claim 2, it is characterized in that: described LED assembly (3) comprises aluminium base (31) and several LED lamp pearls (32), the one side of described aluminium base (31) is connected with the sealed end of aluminium inserts (2), and several LED lamp pearls (32) evenly are arranged at the another side of aluminium base (31).

4. a kind of LED lamp that promotes heat dispersion according to claim 3, it is characterized in that: be provided with power supply in the described aluminium inserts (2) and put post (6), the end that described power supply is put post (6) is connected with the sealed end of aluminium inserts (2), and the other end that power supply is put post (6) is connected with lamp holder (5).

5. a kind of LED lamp that promotes heat dispersion according to claim 4, it is characterized in that: described power supply is put post (6) and is put post for hollow type, and the internal perisporium of an end of this power supply storing post (6) is provided with screwed hole (61) and fixedlys connected with the sealed end of aluminium inserts (2) by screw; The other end that power supply is put post (6) is provided with connector (62), this connector (62) and lamp holder (5) socket.

6. a kind of LED lamp that promotes heat dispersion according to claim 1 is characterized in that: the upper end socket of described lampshade (4) and plastics lamp housing (1).

7. a kind of LED lamp that promotes heat dispersion according to claim 1 is characterized in that: described plastics lamp housing (1) is polyamide lamp housing or polyphenylene sulfide lamp housing.