CN201043739Y

CN201043739Y - High power LED lamp

Info

Publication number: CN201043739Y
Application number: CNU2007201203920U
Authority: CN
Inventors: 王勇
Original assignee: SHENZHEN BAOYING LIGHTING CO Ltd
Current assignee: Dongguan Winghing Electronic Science & Technology Co., Ltd.
Priority date: 2007-05-29
Filing date: 2007-05-29
Publication date: 2008-04-02
Anticipated expiration: 2017-05-29

Abstract

The utility model discloses a high-power LED lamp and comprises a LED and a lampshade matched with the LED as well as a thermotube heat transmission module. The thermotube heat transmission module consists of a thermotube, a liquid absorption core arranged in the thermotube and heat conducting working substance, the LED is arranged on a heat conducting board fixed in the lampshade, and the thermotube is contacted with the heat conducting board and the internal wall of the lampshade. The external walls of a main shell and a lateral plate are respectively provided with uniform distributed heat radiating thorn sheet group. The thermotube heat transmission module of the utility model matches with the heat conducting board and the lampshade (the heat radiating body) and then provides a heat conduction structure with high efficacy for the LED lamp as well as guarantees rapid and high efficient heat radiation of the LED lamp, and meanwhile, the heat radiating thorn sheet arrayed on the lampshade in order improves the whole heat radiating property of the utility model.

Description

High-powered LED lamp

Technical field

The utility model relates to a kind of lighting, relates in particular to a kind of high-powered LED lamp.

Background technology

LED lamp equal illumination effect is more energy-conservation about 80% than conventional light source, can reach 50,000 to 100,000 hours service life, and is longer more than 30 times than the conventional light source life-span, the low operating cost of two kinds of factors decision LED lamps.LED lamp at present commonly used is for using low power LED lamp as ornament lamp, warning lamp, indicator lamp etc., and the widely used factor of restriction high-powered LED lamp is a lot, and wherein heat dissipation problem is exactly more very important.The high-powered LED lamp that is used for throwing light on a large scale, as street lamp, outstanding shortcoming is, the structure of auxiliary LED lamp heat radiation is undesirable, and radiating effect still is apparent not enough, and can not provide normal working environment for the LED lamp, shorten LED lamp service life greatly, do not reached the purpose that expection reduces operating cost.

The utility model content

The utility model is not reach the technical problem of requirement in order to solve existing high-powered LED lamp heat radiation, and a kind of high-powered LED lamp with good radiator structure is provided.

For addressing the above problem, the technical solution of the utility model is a kind of high-powered LED lamp of structure, comprise a LED, the lampshade of equipped this LED, also comprise the adopting heat pipes for heat transfer assembly, the adopting heat pipes for heat transfer assembly is made up of heat pipe, imbibition core and the heat-conducting work medium be located in the heat pipe, and LED is located on the heat-conducting plate that is fixed in the lampshade, and heat pipe contacts with heat-conducting plate, lampshade inwall.

Wherein, described lampshade comprises a matrix main casing, be located at the side plate of these main casing two sides, be located at the base plate of this main casing bottom surface, be provided with heat-conducting plate and adopting heat pipes for heat transfer assembly in the main casing groove, LED is exposed to outside the base plate after the encapsulation of secondary optics convex lens, and the outside wall surface of main casing, side plate is respectively equipped with uniform heat radiation thorn sheet group.

Described heat pipe is the metal hard tube, and the main casing internal face and the conducting strip back side are provided with the arc groove that heating tube embeds.

Heat radiation thorn sheet in the described heat radiation thorn sheet group is unidirectional setting, is separated with equal spacing between heat radiation thorn sheet is mutual.

Every heat radiation thorn sheet height in the described heat radiation thorn sheet group does not wait and formation rule arrangement from high to low.

Described base plate is provided with an inner concave, and LED passes from inner concave by secondary optics convex lens encapsulation back.

Adopting heat pipes for heat transfer assembly heat-transfer capability height in the utility model, all good, the ability of temperature characteristics with variable heat flux density, have good thermostatic characteristics.Cooperate heat-conducting plate, lampshade (radiator), for the LED lamp provides a heat conduction structure efficiently, for the LED lamp is quick, high efficiency and heat radiation provides assurance, be located at the heat radiation thorn sheet of arranging in order on the lampshade simultaneously and can effectively quicken cross-ventilation, improve radiating efficiency, improve the contact rate of lampshade surface and air, the utility model integral heat sink performance is improved.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described further, wherein:

Fig. 1 removes front view behind the base plate side plate for the utility model preferred embodiment;

Fig. 2 is Fig. 1 vertical view;

Fig. 3 is the schematic perspective view after the utility model preferred embodiment assembling;

Fig. 4 is the schematic perspective view of the utility model preferred embodiment main casing;

Fig. 5 is the schematic perspective view of the utility model preferred embodiment heat-conducting plate and adopting heat pipes for heat transfer assembly;

Fig. 6 is reduce phlegm and internal heat schematic perspective view behind the pipe heat-transferring assembly of Fig. 5.

The specific embodiment

As shown in Figure 1, 2, figure is the basic structure of the utility model preferred embodiment, a kind of high-powered LED lamp, comprise a LED1, be used for the lampshade 2 of equipped LED1, LED1 is single the high-power planar emitting led 1 that is used for throwing light on a large scale, also comprise the adopting heat pipes for heat transfer assembly, the adopting heat pipes for heat transfer assembly is made up of heat pipe, imbibition core and the heat-conducting work medium be located in the heat pipe, and heat-conducting work medium soaks in the imbibition core, and the radical of heat pipe 3 can be according to concrete needs decision.LED1 is located on the heat-conducting plate 4 that is fixed in the lampshade 2, and heat pipe 3 contacts with heat-conducting plate 4, lampshade 2 inwalls, makes heat-conducting plate 4 form mediate contact by heat pipe 3 and lampshade 2.Heat-conducting plate 4, heat pipe 3, lampshade 2 adopt the good material making of heat conduction, as aluminium alloy, red copper.Selected heat-conducting work medium should possess quick heating, the fast characteristics of heat-transfer rate.

The operation principle of adopting heat pipes for heat transfer assembly: the active section of heat pipe can be divided into evaporator section, adiabatic section and condensation segment three parts.When evaporation ends is received when hot, make the heat-conducting work medium evaporation of soaking in the imbibition core by tube wall, steam is flowing to condensation end under the formed differential pressure action between evaporation and the condensation end, because condensation end is subjected to cooling effect, steam is condensed into liquid, discharges vaporization potential.Condensed gas by the capillary force effect that the imbibition core combines and produced with liquid, is carried back evaporator section with condensate liquid, to form working cycles.

Be that the illuminating street lamp of light source is the example explanation with single high-power planar emitting led 1 in the present embodiment, lampshade 2 comprises a matrix main casing 5 (with reference to Fig. 4), be located at the side plate 6 of main casing 5 two sides, be located at the base plate 7 of main casing 5 bottom surfaces, be provided with heat-conducting plate 4 and adopting heat pipes for heat transfer assembly in main casing 5 grooves, LED1 is exposed to outside the base plate 7 after secondary optics convex lens 10 encapsulation, is the contact rate that improves lampshade 2 surfaces and air, is respectively equipped with uniform heat radiation thorn sheet group in the outside wall surface of main casing 5, side plate 6.

Long-pending for improving heat pipe 3 with the direct contact surface of conducting strip 4, main casing 5, reach and improve the heat transference efficiency purpose, as shown in Figure 1, heat pipe 3 is the metal hard tube, simultaneously heat pipe 3 is bent into ring (with reference to Fig. 5), the arc groove 8 (with reference to Fig. 6) that heating tube 3 embeds is set at main casing 5 internal faces and conducting strip 4 back sides, and it is interior 8 ring-like heat pipe 3 during assembling to embed arc grooves, and conducting strip 4, main casing 5 are wrapped up heat pipe 3 parts.

For improving the radiating efficiency of heat radiation thorn sheet group, the heat radiation thorn sheet 9 in the heat radiation thorn sheet group is unidirectional setting in the present embodiment, all is laterally or vertically as heat radiation thorn sheet 9 and arranges; Allowing heat radiation thorn sheet 9 be separated with equal spacing between each other simultaneously, the passage of circulation is provided for air; The every thorn sheet 9 that dispels the heat in the thorn that the dispels the heat sheet group does not highly wait and formation rule arrangement from high to low, has guaranteed that air stings contacting of sheet 9 with every heat radiation.

As shown in Figure 3, obtain a good distribution curve flux for making, base plate 7 is provided with an inner concave, and LED1 is passed from inner concave by secondary optics convex lens 10 encapsulation backs, passes length after its LED1 encapsulates by secondary optics convex lens 10 and should not be higher than the sagging degree of depth of inner concave.

Adopting heat pipes for heat transfer assembly in the utility model cooperates heat-conducting plate, lampshade (radiator), for the LED lamp provides a heat conduction structure efficiently, for the LED lamp is quick, high efficiency and heat radiation provides assurance, be located at the heat radiation thorn sheet of arranging in order on the lampshade simultaneously and can effectively quicken cross-ventilation, improve radiating efficiency, improve the contact rate of lampshade surface and air, the utility model integral heat sink performance is improved.

Claims

1. high-powered LED lamp, comprise a LED (1), the lampshade (2) of equipped this LED (1), it is characterized in that: also comprise the adopting heat pipes for heat transfer assembly, described adopting heat pipes for heat transfer assembly is made up of heat pipe (3), imbibition core and the heat-conducting work medium be located in the heat pipe (3), described LED (1) is located on the heat-conducting plate (4) that is fixed in the described lampshade (2), and described heat pipe (3) contacts with described heat-conducting plate (4), described lampshade (2) inwall.

2. high-powered LED lamp according to claim 1, it is characterized in that: described lampshade (2) comprises a matrix main casing (5), be located at the side plate (6) of this main casing (5) two sides, be located at the base plate (7) of this main casing (5) bottom surface, be provided with described heat-conducting plate (4) and adopting heat pipes for heat transfer assembly in described main casing (5) groove, described LED (1) is exposed to outside the described base plate (7) after secondary optics convex lens (10) encapsulation, and the outside wall surface of described main casing (5), side plate (6) is respectively equipped with uniform heat radiation thorn sheet group.

3. high-powered LED lamp according to claim 2 is characterized in that: described heat pipe (3) is the metal hard tube, and described main casing (5) internal face and described conducting strip (4) back side are provided with the arc groove (8) that embeds for described heat pipe (3).

4. high-powered LED lamp according to claim 3 is characterized in that: the heat radiation thorn sheet (9) in the described heat radiation thorn sheet group is unidirectional setting, is separated with equal spacing between described heat radiation thorn sheet (9) is mutual.

5. high-powered LED lamp according to claim 4 is characterized in that: the every described heat radiation thorn sheet (9) in the described heat radiation thorn sheet group does not highly wait and formation rule arrangement from high to low.

6. high-powered LED lamp according to claim 5 is characterized in that: described base plate (7) is provided with an inner concave, and described LED (1) passes from inner concave by secondary optics convex lens (10) encapsulation back.