CN213146507U

CN213146507U - LED lamp heat radiation structure with convex wave fold and reflector function

Info

Publication number: CN213146507U
Application number: CN202020176415.5U
Authority: CN
Inventors: 林建廷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2021-05-07
Anticipated expiration: 2030-02-17

Abstract

The utility model relates to a LED lamp heat radiation structure, its characterized in that: a metal plate, the metal plate is a first preset shape, the center of the metal plate is provided with a second preset shape, the periphery of the metal plate takes the second preset shape as the center to form a cone-shaped part with a plurality of convex wavy wrinkles, the cone-shaped part and the second preset shape have a preset inclination angle, two surfaces defining the second preset shape are an inner surface and an outer surface respectively, and the cone-shaped part surrounds the inner surface to form an inner area; the LED lamp substrate is tightly attached to the inner surface, and generates heat and light when being electrified; and most of the heat is transmitted to the second preset shape through the inner face, the heat is transmitted to the air through the outer face, the conical part and the convex wavy wrinkles, one part of the light is directly radiated outwards, and the other part of the light is reflected outwards through the conical part.

Description

LED lamp heat radiation structure with convex wave fold and reflector function

Technical Field

The utility model relates to a LED lamp heat radiation structure field indicates especially a LED lamp heat radiation structure with evagination wave fold and reflector function.

Background

The existing heat dissipation structure of the LED lamp is formed by utilizing a mode of die casting by utilizing metal with excellent heat conductivity, such as an aluminum die-casting radiator, the existing heat dissipation structure of the LED lamp has the advantages of integral forming, good conduction effect, high production cost and more subsequent processing procedures, the thickness of the radiator is limited by a production mode, the radiator cannot be too thin, and the actual heat dissipation effect is influenced.

Another kind of current LED lamp heat radiation structure is with the metal sheet coil stock stamping forming of splendid heat conductivity, and the advantage of this kind of punching press mode is that the thickness of metal sheet can adjust to required thickness as required, utilizes the mode of punching press to punch into required shape with metal sheet and directly concatenates in stamping process, can increase the area of contact of metal and air, and then increases the radiating effect, and the shortcoming is that it is pieced together again by each stamping workpiece and forms, and its conduction effect receives the influence.

Most of the existing reflectors only comprise a conical part, and the heat dissipation problem can be solved by other heat dissipation structures.

Disclosure of Invention

In order to solve the above problem, the utility model provides a LED lamp heat radiation structure, contain a metal sheet, this metal sheet is a first shape of predetermineeing, the central authorities of this metal sheet have a second and predetermine the shape, the shape is predetermine as a taper portion that the center formed and has a plurality of evagination wave folds to the periphery of this metal sheet with the second, this taper portion predetermines the shape with this second and has a preset inclination, borrow the effect that can reach the reflector by this taper portion, and borrow this evagination wave fold and can increase heat radiating area, reach and consume lower resource, but solve the current LED lamp heat radiation structure heat dissipation and the not good problem of conduction efficiency simultaneously.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a LED lamp heat radiation structure which characterized in that:

a metal plate, the metal plate is a first preset shape, the center of the metal plate is provided with a second preset shape, the periphery of the metal plate takes the second preset shape as the center to form a cone-shaped part with a plurality of convex wavy wrinkles, the cone-shaped part and the second preset shape have a preset inclination angle, two surfaces defining the second preset shape are an inner surface and an outer surface respectively, and the cone-shaped part surrounds the inner surface to form an inner area; the LED lamp substrate is tightly attached to the inner surface, and generates heat and light when being electrified; wherein, most of the heat is transmitted to the second preset shape through the inner surface, the heat is transmitted to the air through the outer surface, the cone-shaped part and the convex wave corrugation, one part of the light is directly radiated outwards, and the other part of the light is reflected outwards through the cone-shaped part.

Preferably, the second predetermined shape forms a convex platform towards the inner region, the outer surface correspondingly forms a flat bottom groove, the proper position of the taper portion is uniformly cut with a plurality of U-shaped sheets, each U-shaped sheet is between two adjacent convex wave creases, the bottom of the U-shaped sheet faces the second predetermined shape, the U-shaped sheet is respectively bent towards the inner region to be connected with the convex platform, and a plurality of heat dissipation holes are respectively formed at the original positions of the plurality of U-shaped sheets.

Preferably, there is a bulb socket, the bulb socket has a connection opening and a socket connection portion, the connection opening connects with the taper portion towards the direction of the outer face.

Preferably, the opening edge of the cone-shaped part is provided with a light guide cover, so that the light is more uniform.

Preferably, there is further a housing which externally encases the metal plate in the direction of the outer face.

The beneficial effects of the utility model reside in that: the utility model discloses an borrow the effect that can reach the reflector by this taper portion to borrow and increase heat radiating area by this evagination wave fold, can reach and consume lower resource, nevertheless solve current LED lamp heat radiation structure heat dissipation and the not good problem of conduction efficiency simultaneously.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of a flattening according to an embodiment of the present invention;

fig. 2A is a first schematic view of an embodiment of the present invention;

fig. 2B is a schematic diagram of a first embodiment of the present invention;

fig. 3 is a schematic view of a substrate for mounting the LED lamp according to an embodiment of the present invention;

fig. 4 is a schematic view of the heat conduction direction according to an embodiment of the present invention;

FIG. 5A is a schematic side view of an embodiment of the present invention;

fig. 5B is a first schematic cross-sectional view taken along line I I according to an embodiment of the present invention;

fig. 5C is a schematic cross-sectional view taken along line I I of the first embodiment of the present invention;

fig. 6A is a first schematic view of an embodiment of the present invention;

fig. 6B is a second schematic diagram of the second embodiment of the present invention;

fig. 6C is a schematic side view of the second embodiment of the present invention;

fig. 6D is a schematic cross-sectional view taken along the JJ line according to the second embodiment of the present invention;

fig. 7A is a first schematic view of an embodiment of the present invention;

fig. 7B is a second schematic diagram of the third embodiment of the present invention;

fig. 8A is a schematic view of the U-shaped sheet according to the second and third embodiments of the present invention after being bent toward the inner region and without the LED lamp substrate;

fig. 8B is a schematic view of the heat conduction direction of the LED lamp substrate according to the second and third embodiments of the present invention;

fig. 9 is a schematic view of a four-bulb embodiment of the present invention;

fig. 10 is a schematic view of a fifth embodiment of the present invention;

wherein the reference numerals are as follows:

1 Metal sheet

11 first preset shape

111 convex wave fold

112 taper part

1121U-shaped sheet

1122 heat dissipation hole

12 second preset shape

121 inner face

1211 convex platform

1212 small boss

122 outer face

1221 Flat bottom recess

13 inner zone

2 LED lamp substrate

21 first luminous spot

22 second light-emitting point

3 degree of heating

4 ray of light

41 first luminous point reflected light

42 second light-emitting point reflecting light

5 bulb holder

51 joint mouth

52 lamp holder combining part

6 light guide cover

7 outer cover

A is preset with a tilt angle

C air

Detailed Description

The following describes an embodiment of the present invention with reference to fig. 1 to 10. The description is not intended to limit the embodiments of the present invention, but is one example of the embodiments of the present invention.

As shown in fig. 1 to fig. 5C, the heat dissipation structure of an LED lamp according to the first embodiment of the present invention, as shown in fig. 1, includes: a metal plate 1, the metal plate 1 having a first predetermined shape 11, the metal plate 1 having a second predetermined shape 12 at the center thereof, as shown in fig. 2A and 2B, the periphery of the metal plate 1 forming a tapered portion 112 having a plurality of convex wavy corrugations 111 with the second predetermined shape 12 as the center, the tapered portion 112 and the second predetermined shape 12 having a predetermined inclination angle a, defining two sides of the second predetermined shape 12 as an inner side 121 and an outer side 122, respectively, the tapered portion 112 surrounding the inner side 121 to form an inner region 13; and an LED lamp substrate 2, the LED lamp substrate 2 is tightly attached to the inner surface 121, as shown in fig. 3; when the LED lamp substrate 2 is electrified, a heat 3 and a light 4 are generated; as shown in fig. 4, most of the heat 3 is conducted to the second predetermined shape 12 through the inner surface 121, the heat 3 is conducted to the air C through the outer surface 122, the tapered portion 112 and the convex corrugation 111, each convex corrugation 111 increases the contact area between the heat 3 and the air C, and enhances the heat dissipation effect, as shown in fig. 5A to 5C, a part of the light 4 is directly radiated outwards, and another part of the light 4 is reflected outwards through the tapered portion 112. The embodiment of the utility model provides a, combine bowl and radiator as an organic whole, the LED lamp of direct use at medium and low power, consumption that can reduce the resource in a large number can reach the radiating effect, also can reduction in production cost.

As shown in fig. 4, in the first embodiment of the present invention, the arrow symbolizes the path of the heat 3 conduction, and in fact, most of the heat 3 conduction is conducted uniformly from the second predetermined shape 12 to the periphery, passes through the tapered portion 112, is conducted to the outward wavy fold 111, and is then conducted to the air C, and is not limited to the arrow direction of fig. 4.

As shown in fig. 5A to 5C, according to the first embodiment of the present invention, as shown in fig. 5B, a portion of the light 4 is directly radiated outward, and another portion of the light 4 is radiated to the tapered portion 112 and reflected outward, in order to more clearly illustrate the radiation effect of the tapered portion 112, referring to fig. 5C, the LED lamp substrate 2 emitting light simultaneously is simplified into a first light-emitting point 21 and a second light-emitting point 22, and omit all the light rays 4 directly radiated outward from the first light-emitting point 21 and the second light-emitting point 22, only three first light-emitting point reflected light rays 41 and three second light-emitting point reflected light rays 42 are retained, wherein the first luminous spot reflected light 41 emitted by the first luminous spot 21 in three different directions is reflected outward according to the irradiation angle with the cone-shaped portion 112, and similarly, the second light-emitting point reflected light 42 emitted by the second light-emitting point 22 in three different directions is reflected outward according to the illumination angle with the tapered portion 112. The light 4 of the present embodiment can be totally radiated outwards by the reflection effect of the tapered portion 112, so as to concentrate the light 4 in a certain area and increase the illumination.

As shown in fig. 6A to 8B, for the second and third embodiments of the present invention, as shown in fig. 6A to 7B, the second predetermined shape 12 forms a convex platform 1211 facing the inner region 13, and the outer surface 122 correspondingly forms a flat bottom groove 1221. As shown in fig. 6B and 7B, a plurality of U-shaped pieces 1121 are uniformly cut at appropriate positions of the tapered portion 112, each U-shaped piece 1121 is located between two adjacent convex wavy corrugations 111, and the bottom of the U-shaped piece 1121 faces the second predetermined shape 12, as shown in fig. 6C and 6D, the U-shaped piece 1121 is respectively bent toward the inner region 13 to be connected with the convex platform 1211, and a plurality of heat dissipation holes 1122 are respectively formed at the positions of the original plurality of U-shaped pieces 1121. In the second and third embodiments, as shown in fig. 8A and 8B, in addition to the original conduction route of the heat 3, part of the heat 3 can be conducted and diffused to the tapered portion 112 through the U-shaped piece 1121 more quickly to the air C. As described in the first embodiment, fig. 8B is symbolized by arrows as the path of heat 3 conduction, and in fact, most of the heat 3 conduction is uniformly conducted from the second predetermined shape 12 to the periphery, passes through the tapered portion 112, is conducted to the convex wavy corrugation 111, and is further conducted to the air C, and is not limited to the arrow direction of fig. 8B.

As shown in fig. 6A and 6B, in accordance with the second embodiment of the present invention, the second predetermined shape 12 is folded back toward the inside 13 to form the convex platform 1211 and the flat bottom groove 1221, and the convex wavy corrugation 111 is visible around the flat bottom groove 1221.

As shown in fig. 7A and 7B, in a third embodiment of the present invention, the second predetermined shape 12 is stretched toward the inside 13 to form the convex platform 1211 and the flat bottom groove 1221, and a stretched non-wrinkled surface is visible around the flat bottom groove 1221.

Preferably, as shown in fig. 6D, the U-shaped piece 1121 is respectively bent toward the inner region 13 to be connected to the convex platform 1211, in order to prevent the U-shaped piece 1121 from being bent and concentrated to the central position of the convex platform 1211 to have a gap, a small boss 1212 may be disposed at the center of the convex platform 1211 to compensate the gap, so that the LED lamp substrate 2 is fully contacted with the convex platform 1211 and the U-shaped piece 1121, thereby increasing the conduction effect.

Preferably, the U-shaped pieces 1121 of the second and third embodiments can be respectively bent toward the inner region 13 to the edge of the LED lamp substrate 2 for conducting the heat 3.

As shown in fig. 9, in order to implement the fourth embodiment of the present invention, a lamp socket 5 is further provided, the lamp socket 5 has a coupling opening 51 and a socket coupling portion 52, and the coupling opening 51 is connected to the tapered portion 112 toward the outer surface 122.

Preferably, as shown in fig. 9, the opening edge of the tapered portion 112 is provided with a light guiding cover 6 to make the light more uniform.

Preferably, as shown in fig. 10, in the fifth embodiment of the present invention, there is a housing 7, and the housing 7 is used for covering the metal plate 1 from the outside in the direction of the outer surface 122.

While the foregoing description and description are of the preferred embodiments of the present invention, other modifications of the invention shall be apparent to those skilled in the art from the following claims and their equivalents, and it is intended that such modifications shall be included within the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a LED lamp heat radiation structure with evagination wave fold and reflector function which characterized in that: a metal plate, the metal plate is a first preset shape, the center of the metal plate is provided with a second preset shape, the periphery of the metal plate takes the second preset shape as the center to form a cone-shaped part with a plurality of convex wavy wrinkles, the cone-shaped part and the second preset shape have a preset inclination angle, two surfaces defining the second preset shape are an inner surface and an outer surface respectively, and the cone-shaped part surrounds the inner surface to form an inner area; the LED lamp substrate is tightly attached to the inner surface, and generates heat and light when being electrified; and

wherein, most of the heat is transmitted to the second preset shape through the inner surface, the heat is transmitted to the air through the outer surface, the cone-shaped part and the convex wave corrugation, one part of the light is directly radiated outwards, and the other part of the light is reflected outwards through the cone-shaped part.

2. The heat dissipation structure of claim 1, wherein the heat dissipation structure comprises a plurality of convex corrugated corrugations and a reflector, and the convex corrugated corrugations and the reflector are arranged in the shape of a rectangle, and the: the second preset shape forms a convex platform towards the inner area, the outer surface correspondingly forms a flat bottom groove, a plurality of U-shaped sheets are uniformly cut at proper positions of the conical part, each U-shaped sheet is arranged between two adjacent convex wave creases, the bottom of each U-shaped sheet faces the second preset shape, the U-shaped sheets are respectively bent towards the inner area to be connected with the convex platform, and a plurality of heat dissipation holes are respectively formed at the original positions of the U-shaped sheets.

3. The heat dissipation structure of claim 1, wherein the heat dissipation structure comprises a plurality of convex corrugated corrugations and a reflector, and the convex corrugated corrugations and the reflector are arranged in the shape of a rectangle, and the: there is a bulb holder, which has a joint mouth and a lamp holder joint part, the joint mouth connects with the taper part towards the direction of the outer surface.

4. The heat dissipation structure of claim 1, wherein the heat dissipation structure comprises a plurality of convex corrugated corrugations and a reflector, and the convex corrugated corrugations and the reflector are arranged in the shape of a rectangle, and the: the opening edge of the cone-shaped part is provided with a light guide cover, so that light rays are more uniform.

5. The heat dissipation structure of claim 1, wherein the heat dissipation structure comprises a plurality of convex corrugated corrugations and a reflector, and the convex corrugated corrugations and the reflector are arranged in the shape of a rectangle, and the: there is a housing which surrounds the metal plate from the outside in the direction of the outer face.