Utilize the built-in heat-dissipating LED lamp of heat pipe heat radiation
The utility model has related to a kind of LED light fixture, has especially related to a kind of LED light fixture that utilizes the heat pipe auxiliary heat dissipation.
At present, traditional incandescent lamp is that to utilize filament to carry out luminous, and service life is unstable, and the burning-point time generally is no more than 500 hours, and bulb generates heat easily when using, and power consumption is big.Along with the development of LED technology, obtain application more and more widely in low-light level illumination of LED lamp even the daily life illumination, the LED light fixture belongs to solid-state lighting lamp, and is longer than traditional light fixture power saving, life-span, and boundless development prospect is arranged.But the thermal diffusivity of existing LED light fixture is not so good, causes shorten greatly its service life, thereby has also limited the application of LED light fixture to a certain extent.Existing led light source generally is provided with fin behind led light source when carrying out heat dissipation design, through the fin heat radiation, mainly pass through heat loss through radiation on the fin because the LED heat is transmitted to, thereby radiating effect is relatively poor.Therefore, the LED light fixture can better be dispelled the heat and become a problem that presses for solution.
The utility model content
The utility model technical problem to be solved provides a kind of built-in heat-dissipating LED lamp that utilizes heat pipe heat radiation, has effectively solved the heat dissipation problem of LED light fixture, has prolonged the service life of LED light fixture.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is:
A kind of built-in heat-dissipating LED lamp that utilizes heat pipe heat radiation; Comprise the bulb socket, lamp housing and the lampshade that connect successively; Contain successively between said lampshade and the lamp housing reflectively change, LED lamp plate, power supply; The heat abstractor of a band multi-disc radiating fin and at least one heat pipe is installed between said LED lamp plate and the power supply, and said heat pipe contacts with radiating fin, and said lamp housing is provided with a plurality of radiating openings.
The aforesaid built-in heat-dissipating LED lamp that utilizes heat pipe heat radiation; It is characterized in that: said heat abstractor also comprises cooling base; Said radiating fin is ring-type, is socketed on the said cooling base; And the diameter of said radiating fin reduces along the bulb socket direction gradually, and periphery forms the smooth surface that a point diameter is big, the rear portion diameter diminishes gradually.
The aforesaid built-in heat-dissipating LED lamp that utilizes heat pipe heat radiation is characterized in that: on the fixing said cooling base of the end near the LED lamp plate of said heat pipe, the other end passes said radiating fin.
The aforesaid built-in heat-dissipating LED lamp that utilizes heat pipe heat radiation is characterized in that: removably connect through connector between said LED lamp plate and the said heat abstractor.
The aforesaid built-in heat-dissipating LED lamp that utilizes heat pipe heat radiation is characterized in that: said lampshade is the PC cover.
The aforesaid built-in heat-dissipating LED lamp that utilizes heat pipe heat radiation is characterized in that: also be provided with the power supply lid between said power supply and heat abstractor.
The beneficial effect of the utility model is: through at lamp housing set inside heat abstractor; And radiating opening is set, and radiating fin is set to ring-type on lampshade, is socketed on the cooling base; Can guarantee radiating effect according to the quantity of the power selection radiating fin of LED lamp plate; In the periphery of cooling base at least one heat pipe is set, the more uniform temperature of front and back radiating fin makes radiating effect better, has effectively improved the service life of LED light fixture.
Description of drawings
Fig. 1 is that the utility model utilizes the built-in heat-dissipating LED lamp of heat pipe heat radiation to split sketch map;
Fig. 2 is that the utility model utilizes the structural representation after the built-in heat-dissipating LED lamp of heat pipe heat radiation is assembled.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.Following examples only are used for more clearly explaining the technical scheme of the utility model, and can not limit the protection domain of the utility model with this.
As depicted in figs. 1 and 2, a kind of built-in heat-dissipating LED lamp that utilizes heat pipe heat radiation comprises the bulb socket 1, lamp housing 2 and the lampshade 9 that connect successively; Contain successively between said lampshade 9 and the lamp housing 2 and reflectively change 8, LED lamp plate 7, power supply 3, between said LED lamp plate 7 and the power supply 3 heat abstractor 5 is installed, heat abstractor 5 is provided with multi-disc radiating fin (53) and at least one heat pipe 52; Said heat pipe 52 contacts with radiating fin 53, and said lamp housing 2 is provided with a plurality of radiating openings 21, and 5 of power supply 3 and heat abstractors also are provided with power supply lid 4; The heat that LED lamp plate 7 produces directly is diffused into space outerpace through the radiating opening 21 on heat abstractor 5 and the lamp housing 2; Heat diffusion directly with rapidly, higher near radiating fin 53 typical temperatures of LED lamp plate 7 usually, and lower usually away from the temperature of the radiating fin 53 of LED lamp plate 7; Cause radiating effect bad; Can the heat that LED lamp plate 7 produces be delivered to each radiating fin 53 uniformly through heat pipe 52, make the radiating effect of entire heat dissipation device 5 better, effectively reduce the heat of LED lamp plate 7; Prevent LED heat radiation untimely cause overheated; In addition because heat abstractor 5 built-in, the heat abstractor 5 that prevents to be in the condition of high temperature is scalded and is used for, and has reduced dangerous generation.
Said heat abstractor 5 comprises cooling base 51; Said radiating fin 53 is ring-type, is socketed on the said cooling base 51; Certain space, interval make radiating fin 53 have preferable heat dispersion, and the diameter of said radiating fin 53 reduces gradually between adjacent two radiating fins 53 along bulb socket 1 direction; Periphery forms the smooth surface that a point diameter is big, the rear portion diameter diminishes gradually, is convenient to the outside lamp housing 2 and lampshade 9 are installed.But also can be socketed on the cooling base 51 according to the radiating fin 53 of the power selection right quantity of LED lamp plate 7, when guaranteeing radiating effect, can practice thrift radiating fin 53 and inner space again.
Removably connect through connector 6 between LED lamp plate 7 and the said heat abstractor 5.Connector 6 can be analogs such as screw; Use connector 6 fixed L ED lamp plates 7 and heat abstractor 5, not only technology is simple, and is convenient to dismounting; When LED lamp plate 7 or heat abstractor 5 takes place when unusual, can be easy to LED lamp plate 7 separated with heat abstractor 5 product is keeped in repair.
Lampshade 9 is the PC cover in the present embodiment, and promptly Merlon (Polycarbonate) is abbreviated as PC.Merlon is a kind of water white indefiniteness thermoplastic, and light transmission is good, and toughness is high, and intensity is high, can well protect LED lamp surface.
The shape of cross section of the opening 21 on the housing 2 is the semicircular shape of going to for the centre for rectangle, two ends; The design of the rectangle cavity of central authorities can enlarge the contact area with fin; The semicircle at two ends relatively is easy to processing; Also have better visual effect, can increase the aesthetic property of light fixture.
In sum, a kind of built-in heat-dissipating LED lamp that utilizes heat pipe heat radiation that the utility model provides has effectively solved the heat dissipation problem of LED light fixture, has prolonged the service life of LED light fixture.
More than show and described basic principle, principal character and the advantage of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain by appending claims and equivalent circle thereof.