CN219575665U

CN219575665U - Light-emitting diode with expansion function

Info

Publication number: CN219575665U
Application number: CN202223537177.4U
Authority: CN
Inventors: 黄志勇; 廖品广; 杜延山
Original assignee: Guangdong Sanlian Photoelectric Co ltd
Current assignee: Guangdong Sanlian Photoelectric Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-08-22
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a light-emitting diode with an expansion function, relates to the technical field of light-emitting diodes, and aims to solve the problem that the existing light-emitting diode lacks a compact-structure heat dissipation expansion function and the practicability of the light-emitting diode is to be improved. The upper end of base plate is provided with transparent epoxy encapsulation, the inside of transparent epoxy encapsulation inner wall is provided with a plurality of slope air flue, the lower extreme of base plate is provided with the base, the outside of base is provided with a plurality of radiating fin, transparent epoxy encapsulation includes the encapsulation chamber, the lower extreme of base plate is provided with the double-screw bolt, the double-screw bolt is located radiating fin's outside, the up end of base plate is provided with the cassette, the bottom of transparent epoxy encapsulation is provided with the card limit, the inboard of card limit is provided with the joint recess, the outside of cassette is provided with the joint lug, the inside of joint lug embedding joint recess, draw-in groove fixed connection between base plate and the transparent epoxy encapsulation.

Description

Light-emitting diode with expansion function

Technical Field

The utility model relates to the technical field of light emitting diodes, in particular to a light emitting diode with an expanding function.

Background

A light emitting diode, abbreviated As LED, is one of semiconductor diodes made of compounds containing gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N), etc., which can convert electric energy into light energy, and emits visible light when electrons are recombined with holes, thus being used to make light emitting diodes;

such as chinese issued patent CN216450679U (a heat dissipating led): the solar heat radiator comprises a heat radiation base, wherein a protective cover is arranged at the bottom of the heat radiation base, a fixing plate is arranged in the middle of the heat radiation base, a wafer is arranged at the top of the fixing plate, one side of the bottom of the wafer is fixedly connected with a positive wiring column, and the other side of the bottom of the wafer is fixedly connected with a negative wiring column; according to the utility model, the heat dissipation mechanism is arranged, the heat dissipation mechanism has the function of improving the air flow speed in the protective cover, the traditional light-emitting diode can generate certain heat when working for a long time, the light attenuation and the light monochromaticity of the light-emitting diode can be influenced due to the lack of the heat dissipation mechanism, and finally the service life of the light-emitting diode is reduced;

according to the prior art, the heat dissipation mechanism is arranged, has the function of improving the air flow speed in the protective cover, improves the air flow speed near the wafer, and further achieves the heat dissipation effect, but the heat dissipation mechanism in the prior art is composed of the miniature motor and the heat dissipation blades, is large in size, and small in size, and can increase the installation space area of the light-emitting diode, so that the light-emitting diode with the heat dissipation expansion function cannot adapt to most of working environments, and is not practical.

Disclosure of Invention

The utility model aims to provide a light-emitting diode with an expansion function, so as to solve the problem that the prior light-emitting diode provided in the background art lacks a heat dissipation expansion function with a compact structure, and the practicability of the light-emitting diode is to be improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a light emitting diode with extend function, includes the base plate, the upper end of base plate is provided with transparent epoxy encapsulation, the inside of transparent epoxy encapsulation inner wall is provided with a plurality of slope air flue, the lower extreme of base plate is provided with the base, the outside of base is provided with a plurality of radiating fins.

Preferably, the transparent epoxy encapsulation comprises an encapsulation cavity.

Preferably, a stud is arranged at the lower end of the base plate, and the stud is positioned at the outer side of the radiating fin.

Preferably, the upper end face of the substrate is provided with a clamping seat, the bottom end of the transparent epoxy resin package is provided with a clamping edge, the inner side of the clamping edge is provided with a clamping groove, the outer side of the clamping seat is provided with a clamping convex block, the clamping convex block is embedded into the clamping groove, and the substrate is fixedly connected with the clamping groove between the transparent epoxy resin package.

Preferably, the upper end of the substrate is provided with a support anode and a support cathode, the upper end of the support anode is provided with a light-emitting diode chip, and a gold thread is arranged between the light-emitting diode chip and the support cathode.

Preferably, one side of the lower end of the base is provided with a positive electrode pin, and the other side of the lower end of the base is provided with a negative electrode pin.

Compared with the prior art, the utility model has the beneficial effects that:

1. the transparent epoxy resin package is internally provided with the plurality of inclined air passages, so that on one hand, the air flow property of the plurality of inclined air passages can be improved, ventilation and heat dissipation are realized, and on the other hand, the inclined air passages can effectively prevent water and dust, ensure the safety of the light-emitting diode, ensure the compact structure of the light-emitting diode, and simultaneously play a role in heat dissipation, so that the light-emitting diode has a heat dissipation expansion function;

2. the external threads are arranged outside the stud, so that the LED can be quickly installed through the stud, the whole LED can be conveniently installed and fixed, and the LED can be conveniently assembled and disassembled;

3. the heat radiating fins on the outer side of the base play a role in heat conduction and radiation, and can quickly transfer heat generated in the base to the stud, so that the quick radiation is realized through the stud, and the radiation effect of the light emitting diode is further improved;

4. the substrate and the transparent epoxy resin package are fixedly connected through the clamping groove, so that the transparent epoxy resin package is of a detachable structure, and when the transparent epoxy resin package is locally damaged, the transparent epoxy resin package is independently replaced, and the whole light-emitting diode is not required to be detached for replacement, thereby being beneficial to maintenance.

Drawings

FIG. 1 is a schematic diagram of a light emitting diode with extended functions according to the present utility model;

FIG. 2 is a schematic view of the structure of the inclined airway of the present utility model;

FIG. 3 is a schematic view of a heat dissipating fin according to the present utility model;

FIG. 4 is an enlarged partial view of area A of the present utility model;

fig. 5 is a bottom three-dimensional perspective view of a light emitting diode with expansion function according to the present utility model.

In the figure: 1. a substrate; 2. packaging with transparent epoxy resin; 3. an inclined airway; 4. a packaging cavity; 5. a base; 6. a stud; 7. a heat radiation fin; 8. a clamping seat; 9. clamping edges; 10. a clamping convex block; 11. a clamping groove; 12. a support positive electrode; 13. a bracket negative electrode; 14. a light emitting diode chip; 15. a positive electrode pin; 16. a negative electrode pin; 17. gold wire.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a light emitting diode with extend function, includes base plate 1, and the upper end of base plate 1 is provided with transparent epoxy encapsulation 2, and the inside of transparent epoxy encapsulation 2 inner wall is provided with a plurality of slope air flue 3, and the lower extreme of base plate 1 is provided with base 5, and the outside of base 5 is provided with a plurality of radiating fins 7.

When the LED packaging structure is used, the plurality of inclined air passages 3 are formed in the transparent epoxy resin packaging 2, on one hand, the air flowability around the transparent epoxy resin packaging 2 can be improved through the plurality of inclined air passages 3, ventilation and heat dissipation are achieved, on the other hand, the inclined air passages 3 which are obliquely arranged can effectively prevent water and dust, the safety of the LED is guaranteed, the LED is guaranteed to be compact in structure and has a heat dissipation effect, the LED is enabled to have a heat dissipation expansion function, the plurality of heat dissipation fins 7 on the outer side of the base 5 play a role in heat conduction and heat dissipation, heat generated in the base 5 can be quickly transferred to the stud 6, quick heat dissipation is achieved through the stud 6, the heat dissipation effect of the LED is further improved, the heat dissipation effect of the LED is effectively guaranteed through the compact structure of the heat dissipation structure, the problem that the existing LED lacks compact heat dissipation expansion function and the practicability of the LED is to be improved is effectively solved.

Further, the transparent epoxy resin package 2 comprises a package cavity 4, and the anode 12, the cathode 13, the light-emitting diode chip 14 and the gold wires 17 are all positioned in the package cavity 4, so that the transparent epoxy resin package 2 is protected.

Further, the lower extreme of base plate 1 is provided with double-screw bolt 6, and double-screw bolt 6 is located the outside of radiating fin 7, and a plurality of radiating fin 7 in the base 5 outside play heat conduction radiating effect, can be with the inside heat that produces of base 5 quick transfer to double-screw bolt 6, realize quick heat dissipation through double-screw bolt 6, further improve emitting diode's radiating effect, above-mentioned heat radiation structure's compact structure just can guarantee the radiating effect.

Further, the up end of base plate 1 is provided with cassette 8, the bottom of transparent epoxy encapsulation 2 is provided with card limit 9, the inboard of card limit 9 is provided with joint recess 11, the outside of cassette 8 is provided with joint lug 10, the inside of joint lug 10 embedding joint recess 11, draw-in groove fixed connection between base plate 1 and the transparent epoxy encapsulation 2, make transparent epoxy encapsulation 2 be detachable structure, when transparent epoxy encapsulation 2 local damage, change alone transparent epoxy encapsulation 2 can, need not to pull down whole emitting diode and change, do benefit to the maintenance.

Further, the upper end of the substrate 1 is provided with a support anode 12 and a support cathode 13, the upper end of the support anode 12 is provided with a light emitting diode chip 14, a gold thread 17 is arranged between the light emitting diode chip 14 and the support cathode 13, the gold thread 17 plays a role of connecting a wire in packaging, the surface electrode of the light emitting diode chip 14 and the support are connected, and when current is conducted, the current enters the light emitting diode chip 14 through the gold thread 17, so that the light emitting diode chip 14 emits light.

Further, a positive electrode pin 15 is provided on one side of the lower end of the base 5, a negative electrode pin 16 is provided on the other side of the lower end of the base 5, and after a forward voltage is applied to the light emitting diode through the positive electrode pin 15 and the negative electrode pin 16, holes injected into the N region from the P region and electrons injected into the P region from the N region are respectively recombined with the electrons in the N region and the holes in the P region within a few micrometers near the PN junction, and spontaneous-radiated fluorescence is generated.

Working principle: when in use, the stud 6 is convenient for mounting and fixing the whole light-emitting diode, the light-emitting diode is also convenient to mount and dismount, after the positive voltage is applied to the light-emitting diode through the positive electrode pin 15 and the negative electrode pin 16, holes injected into the N area from the P area and electrons injected into the P area from the N area are respectively compounded with the electrons in the N area and the holes in the P area within a few micrometers near the PN junction to generate self-radiated fluorescence, the gold wire 17 plays a role of connecting a wire in the package, the surface electrode of the light-emitting diode chip 14 and the bracket are connected, when current is conducted, the current enters the light-emitting diode chip 14 through the gold wire 17, so that the light-emitting diode chip 14 emits light, a plurality of inclined air channels 3 are arranged in the transparent epoxy resin package 2, on the one hand, the air mobility around the transparent epoxy resin package 2 can be improved, ventilation and heat dissipation can be realized, on the other hand, the inclined air passage 3 which is obliquely arranged can effectively prevent water and dust, ensure the safety of the light-emitting diode, ensure the self-structure of the light-emitting diode to be compact and play a role in heat conduction and heat dissipation, so that the light-emitting diode has a heat dissipation expansion function, a plurality of heat dissipation fins 7 on the outer side of the base 5 play a role in heat conduction and heat dissipation, the heat generated in the base 5 can be quickly transferred to the stud 6, the quick heat dissipation is realized through the stud 6, the heat dissipation effect of the light-emitting diode is further improved, the structure of the heat dissipation structure is compact and the heat dissipation effect can be ensured, the clamping groove between the substrate 1 and the transparent epoxy resin package 2 is fixedly connected, so that the transparent epoxy resin package 2 is of a detachable structure, when the transparent epoxy resin package 2 is locally damaged, the transparent epoxy resin package 2 is independently replaced, the whole light-emitting diode is not required to be detached for replacement, and maintenance is facilitated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a light emitting diode with expansion function, includes base plate (1), its characterized in that: the upper end of base plate (1) is provided with transparent epoxy encapsulation (2), the inside of transparent epoxy encapsulation (2) inner wall is provided with a plurality of slope air flue (3), the lower extreme of base plate (1) is provided with base (5), the outside of base (5) is provided with a plurality of fin (7).

2. A light emitting diode with extended functionality according to claim 1, wherein: the transparent epoxy encapsulation (2) comprises an encapsulation cavity (4).

3. A light emitting diode with extended functionality according to claim 1, wherein: the lower end of the base plate (1) is provided with a stud (6), and the stud (6) is positioned on the outer side of the radiating fin (7).

4. A light emitting diode with extended functionality according to claim 1, wherein: the novel transparent epoxy packaging structure is characterized in that a clamping seat (8) is arranged on the upper end face of the substrate (1), a clamping edge (9) is arranged at the bottom end of the transparent epoxy packaging structure (2), a clamping groove (11) is formed in the inner side of the clamping edge (9), a clamping protruding block (10) is arranged on the outer side of the clamping seat (8), the clamping protruding block (10) is embedded into the clamping groove (11), and the substrate (1) is fixedly connected with the transparent epoxy packaging structure (2) through a clamping groove.

5. A light emitting diode with extended functionality according to claim 1, wherein: the LED lamp is characterized in that a support positive electrode (12) and a support negative electrode (13) are arranged at the upper end of the substrate (1), a light-emitting diode chip (14) is arranged at the upper end of the support positive electrode (12), and a gold thread (17) is arranged between the light-emitting diode chip (14) and the support negative electrode (13).

6. A light emitting diode with extended functionality according to claim 1, wherein: one side of base (5) lower extreme is provided with anodal pin (15), the opposite side of base (5) lower extreme is provided with negative pole pin (16).