CN219640201U - A LED light bulb with enhanced heat dissipation - Google Patents

Abstract

The utility model provides an LED bulb for enhancing heat dissipation, which comprises: the LED lamp comprises a lamp cap nut, a lamp shade arranged on the lamp cap nut, a radiator arranged in the lamp shade and a plurality of LED lamp beads arranged around the outer side of the radiator; the top of lamp shade is equipped with first louvre, the bottom of lamp shade is equipped with the second louvre, be equipped with the heat dissipation space in the radiator, the heat dissipation space intercommunication first louvre with the second louvre forms the heat dissipation passageway and is used for a plurality of the heat dissipation of LED lamp pearl. The beneficial effects of the utility model are as follows: the radiator is used for radiating heat of the LED lamp beads, the LED lamp beads surround the radiator to provide more luminous angles, the luminous surface is wider, and the luminous effect is better; compared with the traditional LED bulb, the design of the lamp mounting piece is simpler, the design of the radiator scheme is simpler, and the radiating effect is ideal through the radiating channel.

Description

A LED light bulb with enhanced heat dissipation

technical field

The utility model belongs to the technical field of lighting fixtures, in particular to an LED light bulb with enhanced heat dissipation.

Background technique

LED light bulbs are widely used due to their advantages of energy saving, low carbon, long life, good color rendering, high luminous efficiency, good luminous effect, and fast response. However, the heat dissipation problem is an important problem that LED bulbs need to solve. The quality of the heat dissipation effect is directly related to the luminous effect and life of the lamp. The heat of the LED light bulb is concentrated in the smaller LED chip, which will make the internal temperature of the LED chip higher and higher, which will not only accelerate the aging of the lamp, shorten the service life, and even cause the chip to burn out in severe cases. Especially for LED light bulbs, the heat dissipation structure design of the existing LED light bulbs is traditional and old, and almost all of them are fully enclosed or semi-closed structures. There are various heat dissipation measures, most of which only add some heat dissipation components to the outside to promote heat dissipation. Such a design is more cumbersome and complicated, and the heat dissipation effect is not ideal, which affects the service life of the LED bulb. In addition, the light source of the existing LED light bulb generally only has a single irradiation angle, the irradiation angle is single, the light-emitting surface is relatively narrow, and the light-emitting effect is mediocre.

Therefore, how to realize a LED bulb with a novel and reasonable structure, a ventilation and heat dissipation structure, that is, a heat dissipation channel to form a spontaneous airflow to quickly take away heat, high heat dissipation efficiency, wide light-emitting surface, comprehensive illumination angle, and ideal light-emitting effect is Technical problems that need to be solved urgently in the industry.

Utility model content

The main purpose of this utility model is to provide an LED light bulb with enhanced heat dissipation. By installing a plurality of LED lamp beads around the outer side of the radiator, not only can the radiator dissipate heat for a plurality of LED lamp beads, but also a plurality of LED lamp beads surround and dissipate heat. The device can provide more luminous angles, the luminous surface is wider, and the luminous effect is better; further, a first heat dissipation hole is provided on the top of the lampshade, a second heat dissipation hole is provided at the bottom of the lampshade, and a heat dissipation hole is provided in the radiator. Space, the heat dissipation space communicates with the first heat dissipation hole and the second heat dissipation hole to form a heat dissipation channel for multiple LED lamp beads, and compared with the traditional fully enclosed structure or semi-enclosed structure, it is promoted by adding some heat dissipation components on the outside In terms of heat dissipation, the design of the utility model adopts the design of the lamp mounting part as a heat sink, and the design of the heat sink is relatively simple, and the heat dissipation is carried out through the heat dissipation channel, and the heat dissipation effect is relatively ideal.

In order to solve the above technical problems, the utility model provides the following technical solutions:

An LED light bulb with enhanced heat dissipation, comprising: a lamp cap nut, a lampshade installed on the lamp cap nut, a radiator installed in the lampshade, and a plurality of LED lamp beads installed around the outside of the radiator; Wherein, the top of the lampshade is provided with a first heat dissipation hole, the bottom of the lampshade is provided with a second heat dissipation hole, and a heat dissipation space is provided in the radiator, and the heat dissipation space communicates with the first heat dissipation hole and the The second heat dissipation hole forms a heat dissipation channel for heat dissipation of the plurality of LED lamp beads.

As a preferred solution of the LED light bulb for enhancing heat dissipation, the inner wall of the radiator protrudes toward the heat dissipation space to form a plurality of heat dissipation fins.

As a preferred solution of the LED light bulb for enhancing heat dissipation, each of the heat dissipation fins is bent towards the same direction, thereby enlarging the heat dissipation area of the heat dissipation fins.

As a preferred solution for LED light bulbs with enhanced heat dissipation, the lampshade includes: a lampshade body, and a lampshade upper cover detachably mounted on the top of the lampshade body; the edge of the lampshade upper cover is provided with a plurality of snap-in protrusions , the lampshade body is arranged in a plurality of clamping slots, and each of the clamping protrusions is clamped into the corresponding clamping slot; the first cooling hole is provided on the upper cover of the lampshade, and the second The cooling holes are arranged on the bottom edge of the lampshade body.

As a preferred solution for LED light bulbs that enhance heat dissipation, the lampshade body is provided with a first abutting protrusion, and the bottom of the radiator abuts against the first abutting protrusion; the inside of the upper cover of the lampshade is provided with The second abutting protrusion, the second abutting protrusion abuts against the top of the heat sink, and presses the heat sink against the first abutting protrusion.

As a preferred solution of the LED light bulb for enhancing heat dissipation, the inner side of the lampshade body is provided with a limiting protrusion, and the limiting protrusion abuts against the outer side of the radiator; the second abutting protrusion is provided with a limiting portion, The limiting portion abuts against the inner wall of the radiator, and presses the radiator against the limiting protrusion.

As a preferred solution of the LED light bulb for enhancing heat dissipation, the heat sink is cylindrical.

As a preferred solution of the LED light bulb for enhancing heat dissipation, the heat sink is made of metal.

As a preferred solution of the LED light bulb for enhancing heat dissipation, the top edge of the lampshade body is provided with a light refraction protrusion, and the upper and lower sides of the light refraction protrusion are inwardly concave arc surfaces.

As a preferred solution of the LED light bulb with enhanced heat dissipation, an insulating part is provided at the bottom of the lampshade body, the insulating part is fixed in the nut of the lamp cap, and a wire hole is provided on the insulating part.

The beneficial effects of the utility model are:

In the utility model, an LED light bulb with enhanced heat dissipation is proposed, which includes: a lamp cap nut, a lampshade installed on the lamp cap nut, a radiator installed in the lampshade, and a plurality of LED lamp beads installed around the outside of the radiator. A first heat dissipation hole is provided on the top of the lampshade, a second heat dissipation hole is provided on the bottom of the lampshade, and a heat dissipation space is provided in the radiator, and the heat dissipation space communicates with the first heat dissipation hole and the second heat dissipation hole to form a heat dissipation channel for multiple Heat dissipation of LED lamp beads; in the utility model, by installing a plurality of LED lamp beads around the outside of the radiator, not only can the radiator dissipate heat for a plurality of LED lamp beads, but also a plurality of LED lamp beads surrounding the radiator can provide better More light-emitting angles, wider light-emitting surface, and better light-emitting effect; further, a first heat dissipation hole is provided on the top of the lampshade, a second heat dissipation hole is provided at the bottom of the lampshade, and a heat dissipation space is provided in the radiator. Connecting the first heat dissipation hole and the second heat dissipation hole to form a heat dissipation channel for multiple LED lamp beads, and compared with the traditional fully enclosed structure or semi-enclosed structure to promote heat dissipation by adding some heat dissipation components outside, The utility model adopts the design of the lamp installation part as a heat sink, and the scheme design is relatively simple, and the heat dissipation is carried out through the heat dissipation channel, and the heat dissipation effect is relatively ideal.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, on the premise of not paying creative work, other drawings can also be obtained according to these drawings, which all belong to the protection scope of the present utility model, wherein:

Fig. 1 is the structural schematic diagram of the LED light bulb of enhanced heat dissipation provided by the utility model;

Fig. 2 is a cross-sectional view of the LED light bulb with enhanced heat dissipation shown in Fig. 1;

Fig. 3 is an exploded schematic diagram of the LED bulb with enhanced heat dissipation shown in Fig. 1;

Fig. 4 is a schematic structural view of the lampshade upper cover of the LED light bulb with enhanced heat dissipation shown in Fig. 3;

Fig. 5 is a structural schematic diagram of an angle of the lampshade body of the LED light bulb with enhanced heat dissipation shown in Fig. 3;

Fig. 6 is a structural schematic diagram of another angle of the lampshade body of the LED light bulb with enhanced heat dissipation shown in Fig. 5;

Fig. 7 is a light distribution diagram of the lampshade body of the LED bulb with enhanced heat dissipation shown in Fig. 5;

Fig. 8 is a light distribution diagram of the lampshade body of the enhanced heat dissipation LED bulb shown in Fig. 5 without light refraction protrusions;

Fig. 9 is a schematic structural view of the heat sink of the LED light bulb shown in Fig. 3 for enhancing heat dissipation.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. It should be noted that, in the case of no conflict, the various features in the embodiments of the present invention can be combined with each other, and the combined embodiments are still within the protection scope of the present invention.

In the description of the present utility model, it should also be noted that, unless otherwise specified and limited, the terms "setting", "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection , can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

LED light bulbs are widely used due to their advantages of energy saving, low carbon, long life, good color rendering, high luminous efficiency, good luminous effect, and fast response. However, the heat dissipation problem is an important problem that LED bulbs need to solve. The quality of the heat dissipation effect is directly related to the luminous effect and life of the lamp. The heat of the LED light bulb is concentrated in the smaller LED chip, which will make the internal temperature of the LED chip higher and higher, which will not only accelerate the aging of the lamp, shorten the service life, and even cause the chip to burn out in severe cases. Especially for LED light bulbs, the heat dissipation structure design of the existing LED light bulbs is traditional and old, and almost all of them are fully enclosed or semi-closed structures. There are various heat dissipation measures, most of which only add some heat dissipation components to the outside to promote heat dissipation. Such a design is more cumbersome and complicated, and the heat dissipation effect is not ideal, which affects the service life of the LED bulb. In addition, the light source of the existing LED light bulb generally only has a single irradiation angle, the irradiation angle is single, the light-emitting surface is relatively narrow, and the light-emitting effect is mediocre.

Therefore, how to realize a LED bulb with a novel and reasonable structure, a ventilation and heat dissipation structure, that is, a heat dissipation channel to form a spontaneous airflow to quickly take away heat, high heat dissipation efficiency, wide light-emitting surface, comprehensive illumination angle, and ideal light-emitting effect is Technical problems that need to be solved urgently in the industry.

In the present utility model, as shown in Fig. 1, Fig. 2 and Fig. 3, the embodiment of the present utility model provides an LED light bulb with enhanced heat dissipation, which includes: a lamp cap nut 10, a lampshade mounted on the lamp cap nut 10 20. The heat sink 30 installed in the lampshade 20, and a plurality of LED lamp beads 40 installed around the outside of the heat sink 30;

Wherein, the top of the lampshade 20 is provided with a first cooling hole 21 at a position corresponding to the radiator 30, and the bottom of the lampshade 20 is provided with a second cooling hole 22 at a position corresponding to the radiator 30. The radiator 30 is provided with a heat dissipation space 31 at a position corresponding to the first heat dissipation hole 21 and the second heat dissipation hole 22, and the heat dissipation space 31 is connected to the first heat dissipation hole 21 and the second heat dissipation hole 22 to form a The heat dissipation channel 203 is used for heat dissipation of the plurality of LED lamp beads 40, thereby increasing air convection between inside and outside of the LED bulb, and enhancing the heat dissipation capability of the LED bulb.

In the present utility model, by installing a plurality of the LED lamp beads 40 around the outer side of the radiator 30, not only the radiator 30 can dissipate heat for the plurality of the LED lamp beads 40, but also the plurality of the LED lamp beads 40 can dissipate heat. The lamp bead 40 surrounds the heat sink 30 to provide more light-emitting angles, the light-emitting surface is wider, and the light-emitting effect is better; The bottom of the lampshade 20 is provided with the second heat dissipation hole 22, and the heat dissipation space 31 is provided in the heat sink 30, and the heat dissipation space 31 is connected to the first heat dissipation hole 21 and the second heat dissipation hole 22 to form a The heat dissipation channel 203 is used for a plurality of the LED lamp beads 40, and compared with the conventional fully-closed structure or semi-closed structure by adding some heat-dissipating components to the outside to promote heat dissipation, the utility model adopts a lamp The installation part is designed so that the design of the heat sink 30 is relatively simple, and the heat dissipation is carried out through the heat dissipation channel 203, and the heat dissipation effect is ideal.

As shown in Fig. 4, Fig. 5, Fig. 6 and Fig. 9, in order to further enhance the heat dissipation effect, the inner wall of the radiator 30 protrudes toward the heat dissipation space 31 to form a plurality of heat dissipation fins 32, and the heat dissipation fins 32 The heat dissipation area can be increased, and the heat on the heat dissipation fins 32 can be taken away from the interior of the LED bulb when the natural air is sucked into the LED bulb and passes through the heat dissipation fins 32 .

In order to further increase the heat dissipation area of the heat dissipation fins 32 , each of the heat dissipation fins 32 is bent towards the same direction, so that it expands relative to the straight heat dissipation fins 32 while occupying the same volume. The heat dissipation area of the heat dissipation fins 32 is increased, and the heat dissipation effect of the heat sink 30 is further enhanced.

In order to assemble the lampshade 20, the lampshade 20 includes: a lampshade body 23, and a lampshade upper cover 24 detachably mounted on the top of the lampshade body 23; the edge of the lampshade upper cover 24 is provided with a plurality of engaging protrusions 241, The lampshade body 23 is provided in a plurality of engaging grooves 231 at positions corresponding to the engaging protrusions 241, and each engaging protrusion 241 is engaged with the corresponding engaging grooves 231, and then the The lampshade upper cover 24 is conveniently and quickly installed on the top of the lampshade body 23; wherein, the first cooling hole 21 is arranged on the lampshade upper cover 24, and the second cooling hole 22 is arranged on the top of the lampshade body 23. The bottom edge facilitates communication between the first heat dissipation hole 21 and the second heat dissipation hole 22 and the heat dissipation space 31 of the heat sink 30 .

In order to install the radiator 30, the lampshade body 23 is provided with a first abutting protrusion 232 at a position corresponding to the bottom of the radiator 30, and the bottom of the radiator 30 abuts against the first abutting protrusion. 232, so that the radiator 30 abuts against the lampshade body 23; the inside of the lampshade upper cover 24 is provided with a second abutment protrusion 242 on the top corresponding to the radiator 30, and the second abutment The protrusion 242 abuts against the top of the heat sink 30, and presses the heat sink 30 against the first abutment protrusion 232, so that the lampshade upper cover 24 presses the heat sink 30 against the top of the heat sink 30. Describe the lampshade body 23.

In order to limit the installation of the radiator 30, the inner side of the lampshade body 23 is provided with a limiting protrusion 233 at a position corresponding to the radiator 30, and the limiting protrusion 233 abuts against the outer side of the radiator 30; The second abutting protrusion 242 is provided with a limiting portion 2421 at a position corresponding to the inner wall of the radiator 30, and the limiting portion 2421 abuts against the inner wall of the radiator 30, and presses the radiator 30 against the limiting portion. The position protrusion 233 further limits the shaking of the heat sink 30 in the lampshade 20, thereby improving the stability of the LED light bulb with enhanced heat dissipation.

In order to reduce the volume of the LED light bulb for enhancing heat dissipation, the heat sink 30 is cylindrical, not limited to the present invention, and the shape of the heat sink 30 can also be a triangular prism, a quadrangular prism, etc. 30 can realize the installation of the LED lamp bead 40 on the outside around it and reduce the volume of the LED bulb, which is not limited in the present invention.

In order to further enhance the heat dissipation capability of the radiator 30, the radiator 30 is made of a metal material, which is not limited to the present invention, and the radiator 30 can also be made of graphene material, heat-dissipating plastic material, etc. It only needs to be able to realize high-performance heat dissipation, which is not limited in the present invention.

As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, in order to increase the light emitting angle of the LED bulb with enhanced heat dissipation, the top edge of the lampshade body 23 is provided with a light refraction protrusion 234, and the light refraction protrusion The upper and lower sides of 234 are inwardly concave arc-shaped surfaces, and the light emitted by the LED lamp bead 40 is refracted upward through the lower part of the light refraction protrusion 234, and is emitted to the outside from the upper part of the light refraction protrusion 234 , so that compared with the LED bulb without the light refraction protrusion 234, the light emitting angle is enlarged, and the user experience is improved.

In order to enable the LED light bulb with enhanced heat dissipation to be safely energized, the bottom of the lampshade body 23 is provided with an insulating part 235 at a position corresponding to the lamp cap nut 10, and the insulating part 235 is fixed to the lamp cap nut 10. Inside, the insulating part 235 is provided with a wire hole 2351, one end of the power cord passes through the wire hole 2351 and is electrically connected to the lamp cap nut 10, and the other end of the power wire is connected to the LED The lamp bead 40 is connected to supply power for the LED lamp bead 40 .

The utility model has been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present invention, various changes, modifications, replacements and modifications to these embodiments still fall within the protection scope of the present invention.

Claims (10)

1. An LED bulb for enhancing heat dissipation, comprising: the LED lamp comprises a lamp cap nut, a lamp shade arranged on the lamp cap nut, a radiator arranged in the lamp shade and a plurality of LED lamp beads arranged around the outer side of the radiator;

the LED lamp comprises a lamp shade and is characterized in that a first radiating hole is formed in the top of the lamp shade, a second radiating hole is formed in the bottom of the lamp shade, a radiating space is formed in the radiator, and the radiating space is communicated with the first radiating hole and the second radiating hole to form a radiating channel for radiating a plurality of LED lamp beads.

2. The LED bulb of claim 1, wherein the heat sink inner wall extends toward the heat dissipation space to form a plurality of heat dissipation fins.

3. The LED bulb of claim 2, wherein each of the heat dissipation fins is bent toward the same direction, thereby expanding a heat dissipation area of the heat dissipation fin.

4. The LED bulb for enhanced heat dissipation of claim 1, wherein the lamp cover comprises: the lampshade comprises a lampshade body and a lampshade upper cover which is detachably arranged on the top of the lampshade body;

the edge of the upper cover of the lampshade is provided with a plurality of clamping bulges, the lampshade body is provided with a plurality of clamping grooves, and each clamping bulge is clamped with the corresponding clamping groove;

the first radiating holes are formed in the upper cover of the lampshade, and the second radiating holes are formed in the bottom edge of the lampshade body.

5. The LED bulb for enhancing heat dissipation of claim 4, wherein the lamp housing body is provided with a first abutment protrusion, the bottom of the heat sink abutting the first abutment protrusion;

the inner side of the lampshade upper cover is provided with a second abutting bulge, the second abutting bulge abuts against the top of the radiator, and the radiator is abutted against the first abutting bulge.

6. The LED bulb for enhancing heat dissipation according to claim 5, wherein a limit protrusion is provided on the inner side of the lamp housing body, and the limit protrusion abuts against the outer side of the heat sink;

the second abutting bulge is provided with a limiting part, and the limiting part abuts against the inner wall of the radiator to tightly abut against the limiting bulge.

7. The LED bulb of claim 1, wherein the heat sink is cylindrical.

8. The LED bulb of claim 1, wherein the heat sink is a metal material.

9. The LED bulb of claim 1, wherein the top edge of the lamp housing body is provided with a light refracting protrusion, and the upper and lower sides of the light refracting protrusion are arc surfaces recessed inwards.

10. The LED bulb of claim 1, wherein an insulating portion is disposed at the bottom of the lamp housing body, the insulating portion is fixed in the cap nut, and a wire through hole is disposed on the insulating portion.