CN215808377U

CN215808377U - Spliced radiator assembly

Info

Publication number: CN215808377U
Application number: CN202121063650.2U
Authority: CN
Inventors: 梁志宏
Original assignee: Dongguan Xinhai Metal Products Co ltd
Current assignee: Dongguan Xinhai Metal Products Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-02-11
Anticipated expiration: 2031-05-18

Abstract

The utility model relates to a spliced radiator assembly, which comprises: the base comprises a bottom plate and a plurality of positioning columns; and a plurality of fins; the fin comprises a substrate, a connecting sheet, a first buckling sheet and a second buckling sheet; the connecting sheet and the first buckling sheet are both attached to the bottom plate; one side of the first buckling piece is provided with a first clamping tooth; one side of the first buckling sheet is provided with a first buckling hole which is used for buckling the first clamping tooth; and a second clamping tooth is arranged on one side of the second buckling piece, a second buckling hole is formed in one side of the second buckling piece, and the second buckling hole is used for buckling the second clamping tooth. The spliced radiator assembly is simple in structure and convenient to disassemble and assemble, the first latch of one fin is buckled in the first buckling hole of the other fin, the second latch of one fin is buckled in the second buckling hole of the other fin, the limiting part is abutted to the substrate to fix the substrate, adjacent fins are quickly spliced and formed, splicing and matching can be freely carried out, the number of the radiating fins is changed, and the radiating effect of the radiating fins is fully exerted.

Description

Spliced radiator assembly

Technical Field

The utility model relates to the technical field of lamp heat dissipation, in particular to a spliced heat radiator assembly.

Background

Light Emitting Diodes (LEDs) are widely used in the field of lighting, but LEDs have a problem of high heat generation, so LED lamps are generally provided with a heat sink for dissipating heat from the LED lamp to prevent the heat of the LED lamp from being too high.

Generally, a heat sink is provided with heat dissipation fins to improve the heat dissipation efficiency of the heat sink. However, the number of the heat dissipation fins is a fixed value, and the number of the heat dissipation fins cannot be changed according to the actual application occasion and environment of the LED lamp, so that the universality is poor, the installation is complicated, the disassembly is inconvenient, the working efficiency of the heat dissipation fins is low, and the heat dissipation effect of the heat dissipation fins cannot be fully exerted.

SUMMERY OF THE UTILITY MODEL

Based on the structure, the utility model provides the spliced radiator assembly which is simple in structure, convenient to disassemble and assemble, capable of being freely spliced and matched, capable of changing the number of the radiating fins and capable of fully exerting the radiating effect of the radiating fins.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

a tiled heat sink assembly comprising:

the base comprises a bottom plate and a plurality of positioning columns which are arranged on the back of the bottom plate in a protruding mode at intervals in parallel; and

a plurality of fins mounted in parallel at intervals on the back of the base; the fins comprise a base sheet, a connecting sheet vertically bent from the middle part of one side of the base sheet close to the base, first buckling sheets vertically bent from two opposite sides of one side of the base sheet close to the base, and second buckling sheets vertically bent from two opposite sides of one side of the base sheet far away from the base; the connecting sheet and the first buckling sheet are both attached to the bottom plate; the fins are arranged in a mirror image mode relative to the middle vertical plane of the substrate in the length direction, the first buckling pieces of the adjacent fins are buckled with each other, and the second buckling pieces of the adjacent fins are buckled with each other;

a first latch is arranged on one side, away from the substrate, of the first fastening piece, the first latch tilts in the direction opposite to the direction of the bottom plate, and an included angle is formed between the plane where the first latch is located and the plane where the bottom plate is located; a first buckling hole is formed in one side, close to the substrate, of the first buckling piece and used for buckling the first clamping tooth;

a second latch is arranged on one side, away from the substrate, of the second fastening piece, the second latch tilts in the direction opposite to the direction of the bottom plate, and an included angle is formed between the plane where the second latch is located and the plane where the bottom plate is located; one side of the second fastening piece, which is close to the substrate, is provided with a second fastening hole, and the second fastening hole is used for fastening the second clamping tooth; and the second buckling piece is provided with limiting parts corresponding to two opposite sides of the second clamping tooth respectively, and the limiting parts are used for abutting against the substrate.

The spliced radiator assembly is simple in structure and convenient to disassemble and assemble, the first latch of one fin is buckled in the first buckling hole of the other fin, the second latch of one fin is buckled in the second buckling hole of the other fin, the limiting part is abutted to the substrate to fix the substrate, adjacent fins are quickly spliced and formed, splicing and matching can be freely carried out, the number of the radiating fins is changed, and the radiating effect of the radiating fins is fully exerted.

In one embodiment, the connecting piece has first positioning holes respectively formed on opposite sides thereof, the first fastening piece has second positioning holes, and the first positioning hole and the second positioning hole are used for the positioning columns to pass through.

In one embodiment, the diameter of the first positioning hole is equal to the diameter of the second positioning hole.

In one embodiment, an angle between a plane where the first latch is located and a plane where the bottom plate is located is an acute angle; the angle between the plane where the second clamping teeth are located and the plane where the bottom plate is located is an acute angle.

In one embodiment, the fin further comprises a bead connected to opposite sides of each of the second fastening tabs; the curled edge is formed by curling the edge of the substrate, and the curled edge and the second buckling piece are arranged in a staggered mode.

In one embodiment, the first fastening tab and the second fastening tab are both stamped and formed from the base sheet.

In one embodiment, the back of the bottom plate is provided with a recess; the positioning column is located in the recess, and the connecting sheet and the first buckling sheet are both located in the recess.

Drawings

FIG. 1 is a perspective view of a tiled heat sink assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of the tiled heat sink assembly shown in FIG. 1;

FIG. 3 is an exploded view from another perspective of the tiled heat sink assembly shown in FIG. 2;

FIG. 4 is a perspective view of a single fin of the tiled heat sink assembly shown in FIG. 2;

fig. 5 is a perspective view of another perspective view of a single fin of the tiled heat sink assembly shown in fig. 4.

Reference is made to the accompanying drawings in which:

10-base, 11-bottom plate, 12-pillar, 13-dent;

20-fin, 21-substrate, 22-connecting piece, 220-first positioning hole, 23-first fastening piece, 230-second positioning hole, 231-first latch, 232-second fastening hole, 24-second fastening piece, 241-first latch, 242-second fastening hole, 243-limiting part, 25-curled edge and 26-ventilation hole.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 to 5, a tiled heat sink assembly according to an embodiment of the present invention includes a base 10 and a plurality of fins 20 mounted on the back of the base 10 in parallel and spaced apart. The front surface of the base 10 is used for mounting the LED module, and the base 10 transfers heat generated by the LED module to the fins 20 for heat dissipation.

The base 10 includes a bottom plate 11, a plurality of positioning posts protruding from the back of the bottom plate 11 at intervals, and a support post 12 connected to the four opposite corners of the back of the bottom plate 11. As shown in fig. 2, in the present embodiment, a recess 13 is disposed on the back surface of the bottom plate 11, the positioning column is located in the recess 13, and the recess 13 is used for positioning and accommodating one end of the fin 20 to limit the installation area of the fin 20. The positioning posts correspond to the fins 20 one by one, so as to realize the positioning connection between the base 10 and the fins 20.

In order to improve the heat dissipation efficiency, in the present embodiment, the bottom plate 11 is made of a heat conductive metal material, such as copper or aluminum alloy, and the bottom plate 11 abuts against the fins 20 to transfer the heat generated by the light emitting module 30 to the fins 20 for heat dissipation.

The fin 20 includes a base 21, a connecting piece 22 bent vertically from the middle of one side of the base 21 close to the base 10, first fastening pieces 23 bent vertically from the opposite sides of one side of the base 21 close to the base 10, second fastening pieces 24 bent vertically from the opposite sides of one side of the base 21 away from the base 10, and beads 25 connected to the opposite sides of each second fastening piece 24. Wherein, the first fastening piece 23 and the second fastening piece 24 are both formed by stamping the base sheet 21, the curled edge 25 is formed by curling the edge of the base sheet 21, and the curled edge 25 and the second fastening piece 24 are arranged alternately. The first fastening pieces 23 of the adjacent fins 20 are fastened to each other, and the second fastening pieces 24 of the adjacent fins 20 are fastened to each other, so that the plurality of fins 20 are formed in a splicing manner.

The fins 20 are arranged in mirror image with respect to the mid-plane of the substrate 21 in the long direction. Specifically, as shown in fig. 5, the base sheet 21 has a vertical plane a corresponding to the longitudinal direction thereof, the fins 20 are arranged in a mirror image with respect to the vertical plane a, the first fastening pieces 23 on opposite sides of the base sheet 21 are arranged in a mirror image with respect to the vertical plane a, and the second fastening pieces 24 on opposite sides of the base sheet 21 are arranged in a mirror image with respect to the vertical plane a. The connecting piece 22 has a first positioning hole 220 formed on opposite sides thereof, the first fastening piece 23 has a second positioning hole 230 formed thereon, and the first positioning hole 220 has a diameter equal to that of the second positioning hole 230. During assembly, the connecting sheet 22 and the first fastening sheet 23 are both located in the recess 13, and the first positioning hole 220 and the second positioning hole 230 are both used for the positioning column to penetrate through, so that the connecting sheet 22 and the first fastening sheet 23 are both attached to the bottom plate 11, and the fin 20 is connected to the back surface of the bottom plate 11. Because the connecting sheet 22 and the first buckling sheet 23 are both abutted to the bottom plate 11, the contact area between the fins 20 and the base 10 is increased, heat absorbed by the base 10 is conveniently transferred to the fins 20 for heat dissipation, and the heat dissipation efficiency is relatively improved.

One side of the first latch piece 23, which is far away from the substrate 21, is provided with a first latch 231, the first latch 231 is formed by stamping the first latch piece 23, the first latch 231 tilts back to the direction of the bottom plate 11, an included angle is formed between the plane where the first latch 231 is located and the plane where the bottom plate 11 is located, and an acute angle is formed between the plane where the first latch 231 is located and the plane where the bottom plate 11 is located. A first fastening hole 232 is formed on one side of the first fastening piece 23 close to the substrate 21, and the first fastening hole 232 is used for fastening the first latch 231.

The second latch 241 is arranged on one side of the second fastening piece 24 away from the substrate 21, the second latch 241 is formed by stamping the second fastening piece 24, the second latch 241 tilts towards the direction of the bottom plate 11, an included angle is formed between the plane where the second latch 241 is located and the plane where the bottom plate 11 is located, and the angle between the plane where the second latch 241 is located and the plane where the bottom plate 11 is located is an acute angle. The second locking tab 24 has a second locking hole 242 formed on a side thereof adjacent to the substrate 21, and the second locking hole 242 is used for locking the second latch 242. Further, the second fastening piece 24 is further provided with a limiting portion 243 on two opposite sides corresponding to the second latch 241, and the limiting portion 243 is used for abutting against the substrate 21.

During assembly, the first latch 231 of one fin 20 is fastened to the first fastening hole 232 of the other fin 20 and the second latch 241 of one fin 20 is fastened to the second fastening hole 242 of the other fin 20 between the adjacent fins 20, so that the adjacent fins 20 are quickly spliced and formed, the assembly and disassembly are convenient, the free splicing and matching can be realized, the number of the radiating fins is changed, and the radiating requirements of lamps with different sizes are convenient to match. Meanwhile, the position-limiting portion 243 abuts against the substrate 21 to fix the substrate 21, thereby improving the connection stability of the adjacent fins 20.

Still further, a plurality of vent holes 26 are uniformly spaced on each substrate 21, the vent holes 26 extending through opposite sides of the substrate 21. The gaps between the adjacent substrates 21 are communicated with the ventilation holes 26, criss-cross ventilation channels are formed in space, air can pass through the opposite two sides of the fins 20 and also can pass through the upper side and the lower side of the fins 20, the circulation path of the air is obviously increased, more air can be contained in unit time, according to the principle of air circulation, when the temperature difference exists between the two areas, the air can exchange cold air and hot air through the ventilation channels, the heat on the fins 20 is continuously taken away by the air, and the heat dissipation efficiency is greatly improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A tiled heat sink assembly, comprising:

2. The spliced heat sink assembly as claimed in claim 1, wherein the connecting sheet has first positioning holes formed on opposite sides thereof, the first fastening sheet has second positioning holes formed thereon, and the first positioning holes and the second positioning holes are used for the positioning posts to pass through.

3. The tiled heat sink assembly of claim 2 wherein the first locating hole has an equal diameter to the second locating hole.

4. The spliced heat sink assembly of claim 1, wherein the angle between the plane of the first latch and the plane of the base plate is an acute angle; the angle between the plane where the second clamping teeth are located and the plane where the bottom plate is located is an acute angle.

5. The tiled heat sink assembly of claim 1 wherein the fins further comprise a bead connected to opposite sides of each of the second clip tabs; the curled edge is formed by curling the edge of the substrate, and the curled edge and the second buckling piece are arranged in a staggered mode.

6. The spliced heat sink assembly of claim 1, wherein the first and second clip tabs are each stamped and formed from the base sheet.

7. The tiled heat sink assembly of claim 1 wherein the base plate is recessed on an opposite side; the positioning column is located in the recess, and the connecting sheet and the first buckling sheet are both located in the recess.