CN219640201U

CN219640201U - LED bulb capable of enhancing heat dissipation

Info

Publication number: CN219640201U
Application number: CN202320254324.2U
Authority: CN
Inventors: 刘强
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-09-05
Anticipated expiration: 2033-02-17

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

LED bulb capable of enhancing heat dissipation

Technical Field

The utility model belongs to the technical field of lighting lamps, and particularly relates to an LED bulb capable of enhancing heat dissipation.

Background

The LED bulb is widely applied due to the advantages of energy conservation, low carbon, long service life, good color rendering property, high light efficiency, good luminous effect, high reaction speed and the like. However, the heat dissipation problem is an important problem to be solved by the LED bulb, and the advantages and disadvantages of the heat dissipation effect are directly related to the lighting effect and the service life of the lamp. The heat of the LED bulb is concentrated in the LED chip with smaller size, so that the temperature inside the LED chip is higher and higher, the aging of the lamp is accelerated, the service life is shortened, and the chip is burnt out when serious. Especially, the traditional and old heat radiation structure design of the existing LED bulb is a full-closed structure or a half-closed structure, the heat radiation effect is conceivable, aiming at the difficult problem of heat radiation of the LED bulb, the heat radiation measures of the LED bulb on the market are five-in-eight, and the heat radiation is promoted by only adding some heat radiation components outside, so that the design is complicated, the heat radiation effect is not ideal, and the service life of the LED bulb is influenced. In addition, the light source of the existing LED bulb is generally provided with only a single irradiation angle, the irradiation angle is single, the light emitting surface is narrow, and the light emitting effect is general.

Therefore, how to realize a novel and reasonable structure, be equipped with ventilation heat dissipation structure, be equipped with the heat dissipation passageway promptly and form spontaneous air current and take away the heat rapidly, radiating efficiency is high, and the light emitting area is wide, and the irradiation angle is comprehensive, and the LED bulb of luminous effect ideal is the technical problem who needs to solve in the industry.

Disclosure of Invention

The LED bulb has the main purposes that the LED bulb for enhancing heat dissipation is provided, the plurality of LED lamp beads are arranged on the outer side of the surrounding radiator, so that the radiator can dissipate heat for the plurality of LED lamp beads, the plurality of LED lamp beads can provide more luminous angles around the radiator, the luminous surface is wider, and the luminous effect is better; further, a first radiating hole is formed in the top of the lampshade, a second radiating hole is formed in the bottom of the lampshade, a radiating space is formed in the radiator, the radiating space is communicated with the first radiating hole and the second radiating hole to form a radiating channel for a plurality of LED lamp beads, and therefore compared with the traditional full-closed structure or the semi-closed structure, the lamp is designed to be a radiator by additionally installing some radiating components outside to promote radiating, the lamp is simpler in design, and radiating effect is ideal by radiating through a radiating channel method.

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

an LED bulb for enhanced 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.

As a preferable scheme of the LED bulb for enhancing heat dissipation, the inner wall of the heat sink extends toward the heat dissipation space to form a plurality of heat dissipation fins.

As a preferable solution of the LED bulb for enhancing heat dissipation, each of the heat dissipation fins is bent toward the same direction, so as to enlarge the heat dissipation area of the heat dissipation fins.

As a preferred solution of the LED bulb for enhancing heat dissipation, the lamp cover includes: 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.

As a preferable scheme of the LED bulb for enhancing 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 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.

As a preferable scheme of the LED bulb for enhancing heat dissipation, a limit protrusion is arranged on the inner side of the lampshade body and is abutted to the outer side of the radiator; 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.

As a preferable scheme of the LED bulb for enhancing heat dissipation, the heat sink is cylindrical.

As a preferable scheme of the LED bulb for enhancing heat dissipation, the heat radiator is made of metal.

As a preferred scheme of the LED bulb for enhancing heat dissipation, the edge of the top of the lamp shade body is provided with a light refraction bulge, and the upper side surface and the lower side surface of the light refraction bulge are arc surfaces recessed inwards.

As a preferable scheme of the LED bulb for enhancing heat dissipation, an insulating part is arranged at the bottom of the lampshade body, the insulating part is fixed in the lamp cap nut, and a wire through hole is formed in the insulating part.

The beneficial effects of the utility model are as follows:

in the present utility model, an LED bulb for enhancing heat dissipation is proposed, which comprises: the LED lamp comprises a lamp cap nut, a lamp shade arranged in 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, wherein 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 arranged 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 the plurality of LED lamp beads; according to the LED lamp, the plurality of LED lamp beads are arranged on the outer side of the surrounding radiator, so that the radiator can radiate heat for the plurality of LED lamp beads, the plurality of LED lamp beads can provide more luminous angles around the radiator, the luminous surface is wider, and the luminous effect is better; further, a first radiating hole is formed in the top of the lampshade, a second radiating hole is formed in the bottom of the lampshade, a radiating space is formed in the radiator, the radiating space is communicated with the first radiating hole and the second radiating hole to form a radiating channel for a plurality of LED lamp beads, and therefore compared with the traditional full-closed structure or the semi-closed structure, the lamp is designed to be a radiator by additionally installing some radiating components outside to promote radiating, the lamp is simpler in design, and radiating effect is ideal by radiating through a radiating channel method.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present utility model, and it is possible for a person skilled in the art to obtain other drawings according to these drawings without inventive effort, all falling within the scope of protection of the present utility model, wherein:

fig. 1 is a schematic structural diagram of an LED bulb with enhanced heat dissipation provided by the present utility model;

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

FIG. 3 is an exploded schematic view of the enhanced heat dissipation LED bulb shown in FIG. 1;

FIG. 4 is a schematic view of a cover structure of the LED bulb shown in FIG. 3 for enhancing heat dissipation;

FIG. 5 is a schematic view of the structure of the lamp housing body of the LED bulb with enhanced heat dissipation shown in FIG. 3 at an angle;

FIG. 6 is a schematic view of the structure of the LED bulb with enhanced heat dissipation shown in FIG. 5 at another angle;

FIG. 7 is a graph showing a light distribution of a lamp housing body of the LED bulb with enhanced heat dissipation shown in FIG. 5;

FIG. 8 is a light distribution diagram of the LED bulb with enhanced heat dissipation shown in FIG. 5, wherein the light refracting protrusions are not arranged on the lamp shade body;

fig. 9 is a schematic diagram of a heat sink of the LED bulb of fig. 3 with enhanced heat dissipation.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. It should be noted that, under the condition of no conflict, the features of the embodiments of the present utility model may be combined with each other, and the combined embodiments still fall within the protection scope of the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, as shown in fig. 1, 2 and 3, an embodiment of the present utility model provides an LED bulb for enhancing heat dissipation, which includes: a cap nut 10, a lamp housing 20 mounted on the cap nut 10, a heat sink 30 mounted in the lamp housing 20, and a plurality of LED beads 40 mounted around the outside of the heat sink 30;

the top of the lamp shade 20 is provided with a first heat dissipation hole 21 at a position corresponding to the heat radiator 30, the bottom of the lamp shade 20 is provided with a second heat dissipation hole 22 at a position corresponding to the heat radiator 30, the heat 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, the heat dissipation space 31 is communicated with the first heat dissipation hole 21 and the second heat dissipation hole 22 to form a heat dissipation channel 203 for heat dissipation of a plurality of LED lamp beads 40, so that air convection between the inside and the outside of the LED lamp bulb is increased, and heat dissipation capacity of the LED lamp bulb is enhanced.

In the utility model, the plurality of LED lamp beads 40 are arranged around the outer side of the radiator 30, so that not only can the radiator 30 radiate heat for the plurality of LED lamp beads 40, but also the plurality of LED lamp beads 40 can provide more luminous angles around the radiator 30, the luminous surface is wider, and the luminous effect is better; further, the top of the lamp housing 20 is provided with the first heat dissipation hole 21, the bottom of the lamp housing 20 is provided with the second heat dissipation hole 22, the heat dissipation space 31 is provided in the heat sink 30, the heat dissipation space 31 is communicated with the first heat dissipation hole 21 and the second heat dissipation hole 22 to form the heat dissipation channel 203 for a plurality of the LED lamp beads 40, and therefore, compared with the conventional full-closed structure or semi-closed structure in which some heat dissipation members are additionally arranged outside to promote heat dissipation, the utility model adopts the lamp mounting part to design the scheme of the heat sink 30, and the heat dissipation effect is ideal by the heat dissipation method of the heat dissipation channel 203.

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

In order to further increase the heat dissipation area of the heat dissipation fins 32, each heat dissipation fin 32 is bent toward the same direction, so that the heat dissipation area of the heat dissipation fin 32 is enlarged relative to the heat dissipation fins 32, which are straight, under the condition of occupying the same volume, and the heat dissipation effect of the heat sink 30 is further enhanced.

To assemble the lamp shade 20, the lamp shade 20 includes: a lamp shade body 23 and a lamp shade upper cover 24 detachably mounted on the top of the lamp shade body 23; the edge of the lampshade upper cover 24 is provided with a plurality of clamping protrusions 241, the lampshade body 23 is provided with a plurality of clamping grooves 231 at positions corresponding to the clamping protrusions 241, and each clamping protrusion 241 is clamped with the corresponding clamping groove 231, so that the lampshade upper cover 24 is conveniently and rapidly installed on the top of the lampshade body 23; wherein, the first heat dissipation hole 21 is disposed on the upper cover 24 of the lamp shade, and the second heat dissipation hole 22 is disposed on the bottom edge of the lamp shade body 23, so that the first heat dissipation hole 21 and the second heat dissipation hole 22 are conveniently communicated with the heat dissipation space 31 of the heat sink 30.

In order to mount the radiator 30, the lamp housing 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 lamp housing body 23; the inner side of the lampshade upper cover 24 is provided with a second abutting protrusion 242 at the top corresponding to the radiator 30, the second abutting protrusion 242 abuts against the top of the radiator 30, and the radiator 30 abuts against the first abutting protrusion 232, so that the lampshade upper cover 24 abuts the radiator 30 against the lampshade body 23.

In order to limit the installation of the radiator 30, a limit protrusion 233 is arranged on the inner side of the lampshade body 23 at a position corresponding to the radiator 30, and the limit 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, the limiting portion 2421 abuts against the inner wall of the radiator 30, and abuts the radiator 30 against the limiting protrusion 233, so as to limit the radiator 30 from shaking in the lamp shade 20, thereby improving the stability of the LED bulb with enhanced heat dissipation.

In order to reduce the volume of the LED bulb for enhancing heat dissipation, the shape of the heat sink 30 is not limited to the present utility model, and the shape of the heat sink 30 may be a triangular prism shape, a quadrangular prism shape, or the like, and the heat sink 30 may be capable of mounting the LED beads 40 on the outer sides of the periphery thereof and reducing the volume of the LED bulb, which is not limited in the present utility model.

In order to further enhance the heat dissipation capability of the heat sink 30, the heat sink 30 is made of a metal material, which is not limited to the present utility model, the heat sink 30 may be made of graphene, a heat dissipation plastic material, or the like, and the heat sink 30 may be made of a material capable of achieving high-performance heat dissipation, which is not limited to the present utility model.

As shown in fig. 5, fig. 6, fig. 7 and fig. 8, in order to increase the light emitting angle of the LED light bulb for enhancing heat dissipation, the top edge of the lamp cover body 23 is provided with a light refracting protrusion 234, the upper and lower sides of the light refracting protrusion 234 are both arc surfaces recessed inwards, the light emitted by the LED light beads 40 is refracted upwards through the lower part of the light refracting protrusion 234, and is emitted from the upper part of the light refracting protrusion 234 to the outside, so that the light emitting angle is enlarged relative to the LED light bulb without the light refracting protrusion 234, and the use experience of the user is improved.

In order to enable the LED lamp with enhanced heat dissipation to be safely energized, an insulating portion 235 is disposed at a position corresponding to the cap nut 10 at the bottom of the lamp housing body 23, the insulating portion 235 is fixed in the cap nut 10, a wire through hole 2351 is disposed in the insulating portion 235, one end of a power wire passes through the wire through hole 2351 and is electrically connected with the cap nut 10, and the other end of the power wire is connected with the LED lamp bead 40 to supply power to the LED lamp bead 40.

The utility model is described in detail above with reference to the accompanying drawings, but the utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims

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.