CN101290093A

CN101290093A - Luminous diode lamp heat radiating device

Info

Publication number: CN101290093A
Application number: CNA200710039503XA
Authority: CN
Inventors: 林国俊; 阮庆源; 张昆荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-04-16
Filing date: 2007-04-16
Publication date: 2008-10-22

Abstract

The present invention discloses a heat dissipating device for a light emitting diode lamp. The device comprises a light emitting diode lamp, an aluminum substrate and a hollow heat dissipating seat body. The device is characterized in that one side or the circumference of the hollow heat dissipating seat body is provided with a fin part, and the rest is a hollow accommodating part which is a communication hollow cavity for being filled up by cooling liquid; the aluminum substrate on the light emitting diode lamp is arranged is affixed onto the surface of the hollow accommodating part. The heat generated by the light emitting diode is guided to the aluminum substrate, and the aluminum substrate is also affixed on the surface of the hollow accommodating part of the hollow heat dissipating seat body, so the heat can be guided to the cooling liquid in the hollow accommodating part of the hollow heat dissipating seat body, and is dispersed out by the fin part on the hollow heat dissipating part so as to achieve the effect of quick heat dissipating.

Description

Heat sink for lamp of light emitting diodes

Technical field

The present invention relates to light emitting diode, particularly a kind of heat sink for lamp of light emitting diodes.

Background technology

Existing LED light lamp A10 combines with aluminium base A20, as shown in Figure 1, be that LED light lamp A10 directly is welded on the aluminium base A20, characteristic itself that utilize aluminium base A20 to be easy to absorb heat fast with heat release is again dispelled the heat, this mode has following drawback in actual applications: when be welded on the aluminium base A20 LED light lamp A10 quantity more for a long time, aluminium base A20 itself can't load heat absorption with disengage, thereby cause the overheated phenomenon of aluminium base A20 itself, and the area of dissipation of aluminium base A20 itself is fixed, and can't regulate the speed of dispelling the heat with the quantity increase and decrease of LED light lamp A10.

For improving above-mentioned heat dissipation problem, with an aluminium base A20 who is welded with LED light lamp A10, as shown in Figure 2, adopt the mode of single face nickel plating to combine with an existing radiating fin A30, this mode has following drawback in actual applications: when the heat-sinking capability of radiating fin A30 can't be transmitted the heat that is sent on the aluminium base A20 fast, the size of radiating fin A30 can be strengthened with the increase radiating effect, but cause the excessive shortcoming of volume; And adopt nickel plating to combine between aluminium base A20 and the radiating fin A30, increased product cost.

Summary of the invention

The present invention is the shortcoming that overcomes above-mentioned prior art, and purpose provides a kind of heat sink for lamp of light emitting diodes.

For achieving the above object, technical scheme of the present invention is:

A kind of heat sink for lamp of light emitting diodes, comprise LED light lamp, aluminium base and hollow heat radiation pedestal, be characterized in: a side of this hollow heat radiation pedestal or be provided with fin portion all around, all the other are the hollow holding part, this hollow holding part has a connection cavity of filling with for cooling fluid, and the aluminium base of installing LED light lamp fits on the surface of described hollow holding part.

The geometry of described hollow heat radiation pedestal is set as required.

The geometry of described aluminium base matches with the geometry of hollow heat radiation pedestal.

The luminous intensity that size, external form and the LED light lamp of aluminium base are looked in the quantity of described LED light lamp and configuration requires and increase and decrease and variation.

Be provided with many heat sink strips in the hollow holding part of described hollow heat radiation pedestal.

A location division is established in the bottom of described hollow heat radiation pedestal, in order to heat sink for lamp of light emitting diodes is located fast and is fixed in the middle of the wall.

Described location division is a lamp holder that is complementary with socket.

Compared with prior art, beneficial effect of the present invention is as follows:

The heat guiding aluminium base that LED light lamp produces, and aluminium base fits in hollow heat radiation pedestal hollow holding part surface again, in the cooling fluid in the hollow holding part of the hollow that heat can be led heat radiation pedestal, fin portion with hollow heat radiation pedestal exhales again, thereby reaches the effect of quick heat radiating.

Description of drawings

Fig. 1 is the stereoscopic figure of prior art LED light lamp and aluminium base.

Fig. 2 is welded with the aluminium base of LED light lamp and the stereoscopic figure of radiating fin for prior art.

Fig. 3 is a three-dimensional exploded view of the present invention.

Fig. 4 is a part enlarged drawing of the present invention.

Fig. 5 is a three-dimensional combination figure of the present invention.

Fig. 6 is a cutaway view of the present invention.

Fig. 7 is the three-dimensional combination figure of the embodiment of the invention two.

Fig. 8 is the cutaway view of the embodiment of the invention two.

Fig. 9 is the perspective view of the embodiment of the invention two.

Figure 10 is another three-dimensional combination figure of the embodiment of the invention two.

Figure 11 is the three-dimensional combination figure of the embodiment of the invention three.

Figure 12 is the cutaway view of the embodiment of the invention three.

The specific embodiment

The invention will be further described below in conjunction with drawings and Examples, but should not limit protection scope of the present invention with this.

See also Fig. 3, Fig. 4, Fig. 6, heat sink for lamp of light emitting diodes 40 of the present invention comprises LED light lamp 10, aluminium base 20 and hollow heat radiation pedestal 30; Wherein, one side of this hollow heat radiation pedestal 30 is provided with fin portion 32, be beneficial to heat radiation, this hollow heat radiation pedestal 30 is provided with hollow holding part 31, and the connection cavity that this hollow holding part 31 is formed in one is used to be installed in cooling fluid, so that transmit heat fast, and be provided with many heat sink strips 312 in the hollow holding part 31, be beneficial to increase the area that hollow holding part 31 contacts with cooling fluid, to reach the purpose of quick heat absorption; Wherein, hollow heat radiation pedestal 30 can be made as various geometries according to need.

See also Fig. 5, Fig. 6, the present invention is when implementing, LED light lamp 10 is welded on the aluminium base 20, and the aluminium base 20 that will be welded with LED light lamp 10 again fits on the surface 311 of hollow holding part 31 of hollow heat conduction pedestal 30, cooling fluid is poured in the hollow holding part 31 then; When LED light lamp 10 is welded on the aluminium base 20, the pyrotoxin 11 of LED light lamp 10 1 sides can be attached on the aluminium base 20, when LED light lamp 10 is shinny, its heat can be directly delivered on the aluminium base 20, and aluminium base 20 fits in hollow holding part 31 surfaces 311 of hollow heat radiation pedestal 30, and fill with cooling fluid in this hollow holding part 31, make the heat on the aluminium base 20 can see through cooling fluid, be passed to the fin portion 32 of hollow heat radiation pedestal 30 1 sides, the fin 321 by fin portion 32 exhales heat again; Wherein, set many heat sink strips 312 in the hollow holding part 31 have increased the area that hollow holding part 31 contacts with cooling fluid, have increased the efficient that heat transmits.Described fin portion 32 also can place hollow heat radiation pedestal 30 around, more help heat radiation.

See also Fig. 7, Fig. 8, Fig. 9 and Figure 10, embodiments of the invention two, a location division 33 is established in dispel the heat pedestal 30a bottom of hollow, in order to LED radiating device 40a is located fast and is fixed in the middle of the wall 50, and hollow holding part 31a and the 32a of fin portion are made as cambered surface how much, can increase cooling fluid contact area and area of dissipation; Wherein, aluminium base 20a can be with being made as various geometries with cooperating of hollow heat radiation pedestal 30a, and the size of the quantity of LED light lamp 10 and the then visual aluminium base 20a of configuration and profile are done increase and decrease and changed.

Please consult the 11st, 12 figure again, the embodiment of the invention three, adopt aluminium extruded type to make the hollow pedestal 30b that dispels the heat, can make hollow storage tank 31b and the heat transmission between the 32b of fin portion of hollow heat radiation pedestal 30b more certain, and elongated slot 34 is set at hollow heat radiation pedestal 30b left and right side, can be used for intercalation lampshade 60.

Claims

1, a kind of heat sink for lamp of light emitting diodes, include: LED light lamp (10), aluminium base (20) and hollow heat radiation pedestal (30), it is characterized in that: a side of this hollow heat radiation pedestal (30) is provided with fin portion (32), all the other are hollow holding part (31), this hollow holding part (31) is the but connected space filled with of liquid of cooling, and the aluminium base (20) of installing LED light lamp (10) fits on the surface (311) of described hollow holding part (31).

2, heat sink for lamp of light emitting diodes according to claim 1 is characterized in that the geometry of described hollow heat radiation pedestal (30) is set as required.

3, heat sink for lamp of light emitting diodes according to claim 2 is characterized in that the geometry of described aluminium base (20) matches with the geometry of hollow heat radiation pedestal (30).

4, heat sink for lamp of light emitting diodes according to claim 1 is characterized in that the luminous intensity of the quantity of described LED light lamp (10) and size, external form and LED light lamp that aluminium base (20) are looked in configuration requires and increase and decrease and variation.

5, heat sink for lamp of light emitting diodes according to claim 1 is characterized in that being provided with many heat sink strips (312) in the hollow holding part (31) of a side of described hollow heat radiation pedestal (30).

6, according to each described heat sink for lamp of light emitting diodes of claim 1 to 5, a location division (33) is established in the bottom that it is characterized in that described hollow heat radiation pedestal (30), in order to heat sink for lamp of light emitting diodes (40) is located fast and is fixed in the middle of the wall (50).

7, heat sink for lamp of light emitting diodes according to claim 6 is characterized in that described location division (33) is a lamp holder that is complementary with socket.