CN204611424U

CN204611424U - A kind of LED

Info

Publication number: CN204611424U
Application number: CN201520245667.8U
Authority: CN
Inventors: 朱一鸣; 徐向明
Original assignee: Zhejiang Huatai Electronics Co Ltd
Current assignee: Zhejiang Huatai Electronics Co Ltd
Priority date: 2015-04-22
Filing date: 2015-04-22
Publication date: 2015-09-02
Anticipated expiration: 2025-04-22

Abstract

A kind of LED, the heat-sink unit comprise lampshade, being connected by the coated LED unit of lampshade, the lamp socket unit being electrically connected this LED unit and two ends respectively with this LED unit, lamp socket unit; This heat-sink unit comprises an interior radiating block, a coaxial sleeve is located at this interior radiating block outer radiating block and an auxiliary heat dissipation module; This interior radiating block is hollow cylindrical, have one along axis L extend hollow housing, several extended to form by this housing central section radial integrated the first fin, several inner and outer circumferential surfaces through this housing upper and lower end blowhole, venthole; This outer radiating block is hollow cylindrical, have several the second fin of extending along axis L and be fixedly connected with the first connecting portion, second connecting portion of described second fin upper and lower part respectively, this first connecting portion, this second connecting portion are all made up of two braces; Whereby, the heat produced by LED from heat production transfer, realizes high efficiency and heat radiation fast, thus improves the service life of LED.

Description

A kind of LED

Technical field

The utility model relates to a kind of lighting device, particularly relates to a kind of LED.

Background technology

Existing LED (Light-Emitting Diode) lamp is because himself energy consumption is low, brightness advantages of higher, replace the high lamp of traditional energy consumption gradually, but, the heat radiation of LED is the short slab of its service life of restriction and the scope of application all the time, have dealer to arrange fin simply on the perisporium of LED base, for heat radiation, but the heat radiation of aforementioned fin is only pass through metal heat transfer, heat cannot be dissipated rapidly, still can cause reducing sharply of LED service life.

Summary of the invention

The purpose of this utility model be to provide a kind of can the LED of high efficiency and heat radiation.

The utility model LED, comprises a lampshade, a heat-sink unit be connected with this LED unit, lamp socket unit respectively by the lamp socket unit of the coated LED unit of lampshade, this LED unit of electrical connection and two ends; This LED unit comprises one provides the circuit board of illuminating line and at least one to be located at the LED be electrically connected on circuit board and with this circuit board; This lamp socket unit provides the power supply required for this LED unit.

This heat-sink unit comprises an interior radiating block, a coaxial sleeve is located at this interior radiating block outer radiating block and an auxiliary heat dissipation module; This interior radiating block is hollow cylindrical, have one along axis L extend hollow housing, several extended to form by this housing central section radial integrated the first fin, several inner and outer circumferential surfaces through this housing upper and lower end blowhole, venthole; This outer radiating block is hollow cylindrical, have several the second fin of extending along axis L and be fixedly connected with the first connecting portion, second connecting portion of described second fin upper and lower part respectively, this first connecting portion, this second connecting portion are all made up of two braces;

The radius of this first connecting portion equals the radius of this circuit board, is greater than the radius of the housing of this interior radiating block; Axial distance between the end face of the bottom surface of the brace of this first connecting portion and the brace of this second connecting portion is not less than the axial length of this first fin;

This auxiliary heat dissipation module is located in this interior radiating module, and is positioned at the bottom of this radiating module, and this auxiliary heat dissipation module comprises at least one small-sized fans contributing to air current flow.

Preferably, this interior radiating block, this outer radiating block are metal material.

Preferably, this first fin can through the gap this second fin to extraneous.

Preferably, this first fin radial direction is uniformly distributed on the outer peripheral face of housing central section.

Preferably, this lamp socket unit is connected with civil power or power transformer; This lampshade is the hemispherical of hollow.

Preferably, this lampshade is covered with the figuratum layer of tool.

The beneficial effects of the utility model are: by two heat dissipation channels, the i.e. heat dissipation metal passage of housing, the first fin, the second fin, and blowhole, venthole, auxiliary heat dissipation module air heat dissipation channel, the heat that LED produces is shifted from heat production fast, realize high efficiency and heat radiation, thus improve the service life of LED.

Accompanying drawing explanation

Fig. 1 is a perspective exploded view of the present utility model, and signal illustrates the composition of the utility model LED.

Specific embodiment

In the following description, similar element represents with identical label, and for direction term, such as "front", "rear", " on ", D score, "left", "right" etc., be only signal and interelement relative position relation is described, technical scope of the present utility model can not be limited with this.

As shown in Figure 1, the utility model LED, comprises the heat-sink unit 4 that 1, one, a lampshade is connected with this LED unit 2, lamp socket unit 3 respectively by lamp socket unit 3, two ends that the LED unit 2, that lampshade is coated is electrically connected this LED unit 2.

The hemispherical of this lampshade 1 in hollow, with transparent material, makes such as but not limited to acrylic, glass.During concrete enforcement, in order to irradiate specific color or specific pattern, this lampshade 1 can be covered with the film of different colours, coating or the figuratum layer of tool.Be understandable that, this lampshade 1 is not limited with hemispherical, can also be other shapes such as the cylinder shape of hollow.

This LED unit 2 comprises one provides the circuit board 21 of illuminating line to be located at at least one the LED22 be electrically connected on circuit board 21 and with this circuit board 21.This circuit board 21 is the circuit boards with integrated circuit, and when specifically implementing, visual actual needs, is not limited with surface-mounted integrated circuit.The shape of this circuit board 21 is not limited with disc shape, as long as can coordinate the shape of this lampshade 1.

This lamp socket unit 3 can be connected with civil power, also can be connected with power transformer, to provide required power supply for this LED unit 2.

Above-mentioned lampshade 1, LED unit 2, lamp socket unit 3 are not the emphasis that the utility model improves, therefore do not repeat at this.

This heat-sink unit 4 comprises outer radiating block 42 and an auxiliary heat dissipation module (not shown) of interior radiating block 41, metal material of a metal material.

This interior radiating block 41 in hollow cylindrical, have the housing 411 of the hollow that one extends along axis L, several extended to form by radial integrated in the middle part of this housing 411 the first fin 412, several inner and outer circumferential surfaces through this housing 411 upper and lower end blowhole 413, venthole 414.This housing 411 defines a gas channel, so that air can enter from this blowhole 413, takes away heat from this venthole 414.This first fin 412 radial direction is uniformly distributed on the outer peripheral face in the middle part of housing 411.

This outer radiating block 42 is in hollow cylindrical, there is several the second fin 421 of extending along axis L and be fixedly connected with the first connecting portion 422, second connecting portion 423 of described second fin 421 upper and lower part respectively, the structure of this first connecting portion 422, this second connecting portion 423 is similar, illustrates below for the structure of this first connecting portion 422.This first connecting portion 422 is welded by two braces, and the radial section of this brace is rounded.During concrete enforcement, described brace also can be set to snap-in structure, so as this brace and this second fin 421 fixing after, interior radiating block 41 fit with this easily.

The radius of this first connecting portion 422 equals the radius of this circuit board 21, is greater than the radius of the housing 411 of this interior radiating block 41.Axial distance between the end face of the bottom surface of the brace of this first connecting portion 422 and the brace of this second connecting portion 423 is not less than the axial length of this first fin 412.During concrete enforcement, this interior radiating block 41 is that coaxial sleeve is located at this outer radiating block 42, and this first fin 412 can through the gap this second fin 421 to extraneous.

This auxiliary heat dissipation module is located in this interior radiating module 41, and is positioned at the bottom of this radiating module 41.This auxiliary heat dissipation module comprises at least one small-sized fans contributing to air current flow.When starting fan, can will enter from blowhole 413 and be brought to the bottom of interior radiating module 41 by the hot-air heated fast.In the process that hot-air moves to bottom interior radiating module 41, part heat is dispelled the heat by housing 411, first fin 412 of this interior radiating module 41, and a part of heat is by this venthole 414, be passed to the external world via the space between the space between this first fin 412 and this second fin 421, this second fin 421.

In order to make the utility model LED, there is preferably moisture resistance, can at the side coating waterproof coating of the circuit board 21 of this LED unit 2 towards heat-sink unit 4, such as be not limited to aluminum metal layer, also can set firmly a metal level between this LED unit 2 and this heat-sink unit 4.

As from the foregoing, the utility model LED is by two heat dissipation channels, the i.e. heat dissipation metal passage of housing 411, first fin 412, second fin 421, and blowhole 413, venthole 414, auxiliary heat dissipation module air heat dissipation channel, the heat that LED22 produces is shifted from heat production fast, realize high efficiency and heat radiation, thus improve the service life of LED, really can reach the purpose of this utility model.

Claims

1. a LED, comprises a lampshade, a heat-sink unit be connected with this LED unit, lamp socket unit respectively by the lamp socket unit of the coated LED unit of lampshade, this LED unit of electrical connection and two ends; This LED unit comprises one provides the circuit board of illuminating line and at least one to be located at the LED be electrically connected on circuit board and with this circuit board; This lamp socket unit provides the power supply required for this LED unit; It is characterized in that:

2. LED as claimed in claim 1, is characterized in that: this interior radiating block, this outer radiating block are metal material.

3. LED as claimed in claim 1, is characterized in that: this first fin can through the gap this second fin to extraneous.

4. LED as claimed in claim 1, is characterized in that: this first fin radial direction is uniformly distributed on the outer peripheral face of housing central section.

5. the LED as described in any one of Claims 1-4, is characterized in that: this lamp socket unit is connected with civil power or power transformer; This lampshade is the hemispherical of hollow.

6. the LED as described in any one of Claims 1-4, is characterized in that: this lampshade is covered with the figuratum layer of tool.