CN203642121U

CN203642121U - LED (Light Emitting Diode) heat radiator

Info

Publication number: CN203642121U
Application number: CN201320720303.1U
Authority: CN
Inventors: 赵勇; 金永振; 夏春风
Original assignee: DONGGUAN HUISHUN INDUSTRIAL Co Ltd
Current assignee: DONGGUAN HUISHUN INDUSTRIAL Co Ltd
Priority date: 2013-11-15
Filing date: 2013-11-15
Publication date: 2014-06-11
Anticipated expiration: 2023-11-15

Abstract

The utility model discloses an LED (Light Emitting Diode) heat radiator which comprises a heat radiating shell and a heat radiating disc integrally formed in the heat radiating shell, wherein the heat radiating disc divides an inner cavity of the heat radiating shell into an LED mounting chamber and a heat radiating chamber; a line hole for a power line to penetrate through is formed in the center of the heat radiating disc; three circles of heat radiating holes are formed around the line hole, wherein the first circle of heat radiating holes is formed by enclosing four fan-shaped through holes, the second circle of heat radiating holes is formed by enclosing two pairs of triangular through holes in the left and right opposite sides and elongated through holes in the front and rear opposite sides, and the third circle of heat radiating holes is formed by enclosing four elongated through holes; heat radiating ribs are vertically arranged on the periphery of the heat radiating shell, and a plurality of heat radiating holes are annularly formed in the heat radiating shell and penetrate through outside atmosphere and the heat radiating chamber. The LED heat radiator has the beneficial effects that not only is the structure simple, but also a ventilation effect and the heat radiating area in contact with the outside atmosphere are increased by effectively utilizing a limited space, a heat radiating effect is good, and the service life is long.

Description

A kind of LED radiator

Technical field

The utility model relates to LED art, refers in particular to a kind of LED radiator.

Background technology

Along with LED power improves constantly, more and more higher to the requirement of radiator, and Natural Heat Convection most important be exactly effective area of dissipation, increasing heat radiation area can be high or increase the diameter of radiator and highly realize by increasing the length and width of radiator.But current LED more and more tends to miniaturization, generally realize by increasing radiating ribs density.Owing to being Natural Heat Convection, radiating ribs density is increased to a certain degree just inoperative, and the too close radiating effect that can make on the contrary reduces.Be exactly to increase radiator height to increase radiator area in addition, but radiator excessive height performance radiating effect is lower.Therefore being tending towards under the prerequisite of miniaturization at LED, how could, rationally by free convection heat radiation and the reasonable assembly design of radiating ribs, solving better heat dissipation problem, is industry engineering staff's unremitting pursue.

Utility model content

In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of LED radiator of perfect heat-dissipating.

For achieving the above object, the utility model adopts following technical scheme:

A kind of LED radiator, comprise heat-dissipating casing and the integral molding heat dissipation plate in heat-dissipating casing, this heat dissipation plate is divided into LED by the inner chamber of heat-dissipating casing chamber and heat radiation chamber is installed, the center of this heat dissipation plate is provided with the line hole that a power supply source line passes, be provided with three circle louvres around this line hole, first lap louvre is enclosed and is formed by four fan-shaped through holes, the second circle louvre is to be enclosed and formed by the through hole of two diabolos of two opposite sides, left and right and the through hole of the strip of two opposite sides, front and back, and the 3rd circle louvre is to be enclosed and formed by the through hole of four articles of strips; The periphery of described heat-dissipating casing is vertically provided with radiating ribs, and on heat-dissipating casing, is equipped with multiple louvres, and this louvre connects ambient atmosphere and heat radiation chamber.

Preferably, be all provided with to spacing the perforate of square shape in the through hole of described leg-of-mutton through hole and strip, the perforate of each side's bulk communicates with the through hole of strip.

Preferably, described heat dissipation plate is provided with several for the projection of LED wafer is installed, and each projection stretches to LED installs chamber, and projection is provided with screw.

Preferably, the lower loop of described heat-dissipating casing is provided with base portion, is provided with several installing holes in base portion.

Preferably, the inwall of described LED installation chamber and heat radiation chamber is equipped with internal thread.

The utility model compared with prior art has obvious advantage and beneficial effect, particularly, as shown from the above technical solution, it is mainly owing to offering multi-turn louvre in the limited space of heat dissipation plate, and on heat-dissipating casing, be also equipped with a circle louvre, louvre on these heat-dissipating casings and heat dissipation plate makes the inner chamber of whole radiator communicate with extraneous space, and the air of circulation effectively goes out inner dissipation of heat, reaches good radiating effect; In addition, be densely covered with radiating ribs at the whole outer peripheral face of heat-dissipating casing, thereby effective increasing heat radiation area further increases radiating effect; In a word, it is not only simple in structure that this implements novel radiator, and the area of dissipation that effectively utilizes limited space to increase ventilation effect and contact with outside air, good heat dissipation effect, long service life.

For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is elaborated.

Accompanying drawing explanation

Fig. 1 is the assembling schematic perspective view of the embodiment of the utility model;

Fig. 2 is the sectional view of the embodiment of the utility model;

Fig. 3 is the schematic diagram that the LED of the embodiment of the utility model installs chamber;

Fig. 4 is the top view of the embodiment of the utility model;

Fig. 5 is the schematic diagram of the heat radiation chamber of the embodiment of the utility model;

Fig. 6 is the upward view of the embodiment of the utility model.

Accompanying drawing identifier declaration.

10, heat-dissipating casing 11, base portion

111, installing hole 12, radiating ribs

13, louvre 14, installing hole

15, internal thread 20, heat dissipation plate

21, line hole 22, fan-shaped through hole

23, the through hole of leg-of-mutton through hole 24, strip

25, the perforate of the through hole 26 of strip, square shape

27, projection 271, screw

30, LED installs chamber 40, heat radiation chamber.

The specific embodiment

Please refer to shown in Fig. 1 to Fig. 6, the concrete structure that it has demonstrated the preferred embodiment of the utility model, includes heat-dissipating casing 10 and the integral molding heat dissipation plate 20 in heat-dissipating casing 10.

Wherein, this heat dissipation plate 20 is divided into LED by the inner chamber of heat-dissipating casing 10 chamber 30 and heat radiation chamber 40 is installed, and LED installs chamber 30 for LED wafer is installed, and heat radiation chamber 40 can be for provided with fan.

This heat dissipation plate 20 center is provided with the line hole 21 that a power supply source line passes, be provided with three circle louvres around this line hole 21, first lap louvre is enclosed and is formed by four fan-shaped through holes 22, the second circle louvre is to be enclosed and formed by the through hole 23 of two diabolos of two opposite sides, left and right and the through hole 24 of the strip of two opposite sides, front and back, and the 3rd circle louvre is to be enclosed and formed by the through hole 25 of four articles of strips.Be provided with to through hole 24, the 25 interior equal spacing of described leg-of-mutton through hole 23 and strip the perforate 26 of square shape, the perforate 26 of each side's bulk communicates with the through

hole

24 or 25 of strip and vertical setting mutually, this design can increase the area of louvre to greatest extent, rate of air circulation is larger, and radiating effect is better.

In addition, described heat dissipation plate 20 is provided with several for the projection 27 of LED wafer is installed, and each projection 27 stretches to LED installs chamber 30, and projection 27 is provided with screw 271.Install when chamber 30 when LED wafer is installed on LED, by screw locking in screw 271.

The lower loop of described heat-dissipating casing 10 is provided with base portion 11, is provided with several installing holes 111 in base portion 11.Heat-dissipating casing 10 peripheries except base portion 11 are vertically densely covered with multi-disc radiating ribs 12, and on heat-dissipating casing 10, are equipped with multiple louvres 13, and this louvre 13 connects ambient atmosphere and heat radiation chamber 40.Thereby by three circle louvres on louvre 13 and heat dissipation plate 20, reach the Natural Heat Convection of whole radiator between inside and outside, play quick heat radiating effect.

Further, on the side wall surface of described heat-dissipating casing 10, offer installing hole 14, for radiator panel is loaded in lamp holder.And the inwall that described LED installs chamber 30 and heat radiation chamber 40 is equipped with internal thread 15, realizes being screwed together between radiator and lamp holder and between reflection shield.

In sum, design focal point of the present utility model is, it is mainly owing to offering out circle louvre in the limited space of heat dissipation plate 20, and on heat-dissipating casing 10, be also equipped with multiple louvres 13, louvre 13 on these heat-dissipating casings 10 and heat dissipation plate 20 makes the inner chamber of whole radiator communicate with extraneous space, the air of circulation effectively goes out inner dissipation of heat, reaches good radiating effect; In addition, be densely covered with radiating ribs 12 at the whole outer peripheral face of heat-dissipating casing 10, thereby effective increasing heat radiation area further increases radiating effect; In a word, it is not only simple in structure that this implements novel radiator, and the area of dissipation that effectively utilizes limited space to increase ventilation effect and contact with outside air, good heat dissipation effect, long service life.

The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore any trickle modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.

Claims

1. a LED radiator, it is characterized in that: comprise heat-dissipating casing and the integral molding heat dissipation plate in heat-dissipating casing, this heat dissipation plate is divided into LED by the inner chamber of heat-dissipating casing chamber and heat radiation chamber is installed, the center of this heat dissipation plate is provided with the line hole that a power supply source line passes, be provided with three circle louvres around this line hole, first lap louvre is enclosed and is formed by four fan-shaped through holes, the second circle louvre is to be enclosed and formed by the through hole of two diabolos of two opposite sides, left and right and the through hole of the strip of two opposite sides, front and back, the 3rd circle louvre is to be enclosed and formed by the through hole of four articles of strips, the periphery of described heat-dissipating casing is vertically provided with radiating ribs, and on heat-dissipating casing, is equipped with multiple louvres, and this louvre connects ambient atmosphere and heat radiation chamber.

2. a kind of LED radiator according to claim 1, is characterized in that: in the through hole of described leg-of-mutton through hole and strip, be all provided with to spacing the perforate of square shape, the perforate of each side's bulk communicates with the through hole of strip.

3. a kind of LED radiator according to claim 1, is characterized in that: described heat dissipation plate is provided with several for the projection of LED wafer is installed, and each projection stretches to LED installs chamber, and projection is provided with screw.

4. a kind of LED radiator according to claim 1, is characterized in that: the lower loop of described heat-dissipating casing is provided with base portion, is provided with several installing holes in base portion.

5. a kind of LED radiator according to claim 1, is characterized in that: the inwall that described LED installs chamber and heat radiation chamber is equipped with internal thread.