CN202613378U

CN202613378U - LED cooling module

Info

Publication number: CN202613378U
Application number: CN2011205317039U
Authority: CN
Inventors: 安波滔
Original assignee: Dongguan Perfect Science & Technology Co Ltd
Current assignee: Dongguan Perfect Science & Technology Co Ltd
Priority date: 2011-12-19
Filing date: 2011-12-19
Publication date: 2012-12-19
Anticipated expiration: 2021-12-19

Abstract

The utility model discloses an LED cooling module, which comprises a cooling module, an LED module, an optical lens module and a cover plate, wherein the cooling module, the LED module, the optical lens module and the cover plate are superposed sequentially, and locked and fixed by screws to form an integral structure. The structure is designed reasonably; all parts are fit with one another to form the integral structure; and the cooling effect is good. Furthermore, long strip vertical bulges are arranged on the cooling fins to enhance the structure strength, increase the cooling area, and improve the cooling effect; the two adjacent cooling fins are fixed by a fixing pin, so that the stability is high; and a ventilating slot is formed between the two cooling fins for ventilation. Therefore, the heat generated by the LED lamp can be radiated quickly; the light depreciation speed of the LED can be reduced; and the service life is greatly prolonged.

Description

The LED module that dispels the heat

Technical field

The utility model relates to heat dissipation technology, particularly a kind of LED heat radiation module.

Background technology

The Traditional Road light fixture; Its light source adopts powerful mercury vapor lamp, Metal halogen lamp or high-pressure mercury lamp etc. mostly; Contain hazardous substance mostly in its light source; Cause environmental pollution easily, and the thick heaviness of the lamp holder of processing, power consumption is big, maintenance cost is high, illuminating effect is all unsatisfactory at aspects such as colour rendering and anti-dazzle performances.Meanwhile, the development of semiconductor light sources light emitting diode (LED) is but very rapid, and in recent years, the luminous efficiency of partial L ED has substantially exceeded incandescent lamp, even surpasses the luminous efficiency of fluorescent lamp.Compare with traditional Projecting Lamp electric light source, the basic nonhazardous of led light source, no electromagnetic pollution and have that volume is little, energy consumption is low, light efficiency is high, caloric value is relatively low and many-sided advantage such as long service life can substitute conventional light source and make roads light.Consider that the single chip LED luminosity is not enough, the LED light fixture generally adopts led array formula structure, has produced thus that LED light fixture heat is concentrated, local temperature is too high, causes the light decay aggravation, thereby influence the normal use of LED, causes the reduction in service life.At present, power type white light LED can only be converted into luminous energy with about 15% electric energy, and remaining 85% energy changes into heat energy.

Along with the increase of LED power, quantity of heat production increases, and bad if heat dissipation problem solves, heat concentrates in the small-sized chip, makes that the chip internal temperature is increasingly high.The too high meeting of chip temperature brings many problems, as quickening device aging, accelerates the speed of LED light decay, reduction of service life, even also can cause chip to burn.

At present on the market to the radiator of LED heat radiation generally all be push, methods such as die casting, machined or cutting solve heat radiation, generally all are that volume is big, Heavy Weight; It is more that material uses, and cost is higher, and it is not enough to heat conduction, thermal convection current and the thermal-radiating understanding of calorifics to add the designer; The radiator that designs often is not quite reasonable; So caused a lot of problems, such as heat conduction can, but thermal convection current is bad; Thermal convection current is good; The heat conduction is bad again; Brought very big influence for the heat radiation of led light source, such as: the weight of LED light fixture can not be effectively reduced, the heat dissipation problem of LED light fixture can not be well solved; Also be difficult to accomplish very high-power LED light fixture, to very big influence is also arranged in service life of LED.How effectively to solve heat radiation, become the LED light fixture and face the problem that presses for solution most.

The utility model content

To above-mentioned deficiency, the utility model purpose is, provides a kind of rational in infrastructure, the LED heat radiation module of in light weight and rapid heat dissipation.

The utility model is for realizing above-mentioned purpose, and the technical scheme that is provided is:

A kind of LED heat radiation module, it comprises heat radiation module, LED module, optical lens module and cover plate, said heat radiation module, LED module, optical lens module and cover plate are stacked successively, and fixedly are integrally formed the formula structure through the screw locking.

Said heat radiation module comprises a radiating bottom plate and a plurality of fin that is horizontally arranged in this radiating bottom plate top along its long limit successively; The middle part of this fin has many can strengthen its structural strength and increase area of dissipation side by side; The strip that promotes radiating effect is vertically protruding; The base of this fin is provided with the fixing feet that can conflict on the base of another fin that is adjacent at least; The end face of radiating bottom plate is provided with a smooth fitting surface, a middle side part of this fitting surface be provided with one be used for placing connecting line recess.

Said LED module comprises an aluminium base and a plurality of LED lamp; That the bottom surface of aluminium base is provided with is one smooth, be used for radiating bottom plate on the face adapted that fits of fitting surface; The end face of said aluminium base is provided with printed wire; Said LED lamp evenly is welded on the printed wire, and is fixed on and is integrally formed the formula structure on the said aluminium base, is connected with connecting line on the printed wire.

Said optical lens module comprises the plate body processed by transparent material, on this plate body one-body molded have with aluminium base on the lens section that LED lamp layout is identical and appearance profile is suitable.

Said cover plate comprises a framework; Evenly establish a plurality of installing holes on its frame; And corresponding on plate body, the aluminium base be provided with the through hole that aligns mutually with this installing hole; Be provided with the screw hole that aligns mutually with this installing hole in radiating bottom plate, in the bottom surface of framework the position of corresponding said recess be provided with one with the suitable groove of said connecting line.

The thickness of said radiating bottom plate is 3.5～4.5mm.

The thickness of said fin is 0.2～0.6mm.

The beneficial effect of the utility model is: the utility model reasonable in design, each parts are fitted each other and are integrally formed structure, good heat conduction effect; And fin be provided with can strengthen its structural strength and increase area of dissipation, the strip that promotes radiating effect is vertically protruding; And interfix through fixing feet between adjacent two fin; Stability is high, and makes and form ventilation slot between two fin so that ventilate, and can be rapidly the heat of LED lamp be distributed; Thereby reduce the speed of LED light decay, prolong its service life greatly.

Description of drawings

Fig. 1 is the main TV structure sketch map of the utility model;

Fig. 2 is the decomposition complete section structural representation of Fig. 1;

Fig. 3 is the structure for amplifying sketch map of the local A of Fig. 1;

Fig. 4 is the exploded perspective structural representation of Fig. 1.

The specific embodiment

Embodiment: referring to Fig. 1 to Fig. 4; The utility model embodiment provides a kind of LED heat radiation module; It comprises heat radiation module 1, LED module 2, optical lens module 3 and cover plate 4; Said heat radiation module 1, LED module 2, optical lens module 3 and cover plate 4 are stacked successively, and fixedly are integrally formed the formula structure through screw 5 lockings.

Said heat radiation module 1 comprises a radiating bottom plate 11 and a plurality of fin 12 that is horizontally arranged in these radiating bottom plate 11 tops along its long limit successively; The middle part of this fin 12 has many can strengthen its structural strength and increase area of dissipation side by side; Promote the strip vertical protruding 13 of radiating effect; The base of this fin 12 is provided with the fixing feet 14 that can conflict on the base of another fin 12 that is adjacent at least; The end face of radiating bottom plate 11 is provided with a smooth fitting surface, a middle side part of this fitting surface be provided with one be used for placing connecting line 6 recess 15.

Said LED module 2 comprises an aluminium base 21 and a plurality of LED lamp 22; That the bottom surface of aluminium base 21 is provided with is one smooth, be used for radiating bottom plate 11 on the face adapted that fits of fitting surface; The end face of said aluminium base 21 is provided with printed wire; Said LED lamp 22 evenly is welded on the printed wire, and is fixed on the said aluminium base 21 and is integrally formed the formula structure, is connected with connecting line 6 on the printed wire.

Said optical lens module 3 comprises the plate body 31 processed by transparent material, on this plate body 31 one-body molded have with aluminium base 21 on the lens section 32 that LED lamp 22 layouts are identical and appearance profile is suitable.

Said cover plate 4 comprises a framework 41; Evenly establish a plurality of installing holes 42 on its frame; And corresponding on plate body 31, the aluminium base 21 be provided with the through hole that aligns mutually with this installing hole 42; Be provided with the screw hole 16 that aligns mutually with this installing hole 42 in radiating bottom plate 11, in the bottom surface of framework 41 position of corresponding said recess 15 be provided with one with the suitable groove 43 of said connecting line 6.

Said radiating bottom plate 11 is that the aluminium sheet of 3.5～4.5mm, model AA1050 is processed by thickness; Said fin 12 is that the aluminium flake of 0.2～0.6mm, model AA6063-6 or AA6063-5 is processed by thickness; The surface of said radiating bottom plate 11 and fin 12 is used to make this surface to possess waterproof and dustproof, oxidation resistant nanotechnology treatments.

A kind of heat dissipating method for preparing above-mentioned LED heat radiation module, it comprises the steps:

(1) preparation fin 12: preparation flaky metallic material; It is carried out stamping-out, punching press, shaping process some fin 12; The middle part of each fin 12 has many can strengthen its structural strength and the strip that increases area of dissipation, lifting radiating effect vertical protruding 13 side by side; The top of this fin 12 is provided with one and inserts portion, and the base of this fin 12 is provided with a fixing feet 14 at least;

(2) preparation radiating bottom plate 11: preparation plate-shape metal material; It is carried out stamping-out, boring, shaping process a radiating bottom plate 11; On the bottom surface of this radiating bottom plate 11, be provided with a plurality of along its long limit transversely arranged successively and with the suitable slot of said slotting portion; The end face of radiating bottom plate 11 is carried out sanding and polishing handles, form smooth fitting surface, a middle side part of this fitting surface be provided with one be used for placing connecting line 6 recess 15;

(3) preparation heat radiation module 1: the slotting portion through fin 12 and the slot of said radiating bottom plate 11 are suitable; Fin 12 is plugged on radiating bottom plate 11 successively; And connect through soldering processes, fin 12 is fixed on the said radiating bottom plate 11 is integrally formed the formula structure; While also conflicts on the base of another fin 12 that is adjacent the fixing feet 14 on the fin 12;

(3) preparation LED module 2: prepare an aluminium base 21; Sanding and polishing is carried out in the bottom surface of aluminium base 21 to be handled; Form one smooth, be used for radiating bottom plate 11 on the face adapted that fits of fitting surface, the end face of this aluminium base 21 is provided with the printed wire that can connect LED lamp 22, and LED lamp 22 evenly is welded on the printed wire on the aluminium base 21; And be fixed on the said aluminium base 21 and be integrally formed the formula structure, connecting line 6 is connected with printed wire;

(4) process LED heat radiation module: 2 lockings of LED module are fixed on the said heat radiation module 1 are integrally formed the formula structure, and the end that connecting line 6 is connected with printed wire falls on the described recess 15, make the LED module that dispels the heat;

Through connecting line 6 power supply is inserted LED heat radiation module, LED lamp 22 work in the LED heat radiation module, the heat that produces during 22 work of LED lamp, distributes with heat radiation and convection action through said heat radiation module 1.

Of the utility model the foregoing description, adopt structure same or similar and other LED heat radiation module of obtaining, all in the utility model protection domain with it.

Claims

1. a LED heat radiation module is characterized in that it comprises heat radiation module, LED module, optical lens module and cover plate, and said heat radiation module, LED module, optical lens module and cover plate are stacked successively, and fixedly are integrally formed the formula structure through the screw locking; Said heat radiation module comprises a radiating bottom plate and a plurality of fin that is horizontally arranged in this radiating bottom plate top along its long limit successively; The middle part of this fin has many can strengthen its structural strength and increase area of dissipation side by side; The strip that promotes radiating effect is vertically protruding; The base of this fin is provided with the fixing feet that can conflict on the base of another fin that is adjacent at least; The end face of radiating bottom plate is provided with a smooth fitting surface, a middle side part of this fitting surface be provided with one be used for placing connecting line recess.

2. LED heat radiation module according to claim 1; It is characterized in that said LED module comprises an aluminium base and a plurality of LED lamp, that the bottom surface of aluminium base is provided with is one smooth, be used for radiating bottom plate on the face adapted that fits of fitting surface; The end face of said aluminium base is provided with printed wire; Said LED lamp evenly is welded on the printed wire, and is fixed on and is integrally formed the formula structure on the said aluminium base, is connected with connecting line on the printed wire.

3. LED according to claim 2 heat radiation module is characterized in that, said optical lens module comprises the plate body processed by transparent material, on this plate body one-body molded have with aluminium base on the lens section that LED lamp layout is identical and appearance profile is suitable.

4. LED heat radiation module according to claim 3; It is characterized in that; Said cover plate comprises a framework, evenly establishes a plurality of installing holes on its frame, and corresponding on plate body, the aluminium base be provided with the through hole that aligns mutually with this installing hole; Be provided with the screw hole that aligns mutually with this installing hole in radiating bottom plate, in the bottom surface of framework the position of corresponding said recess be provided with one with the suitable groove of said connecting line.

5. LED heat radiation module according to claim 1 is characterized in that the thickness of said radiating bottom plate is 3.5～4.5mm.

6. LED heat radiation module according to claim 1 is characterized in that the thickness of said fin is 0.2～0.6mm.