CN218888880U - Radiating fin with drainage structure - Google Patents

Abstract

The utility model relates to a fin technical field, concretely relates to fin with drainage structure. The heat sink with the flow directing structure comprises a heat sink body; the radiating fin main body is provided with a drainage part; the drainage part comprises at least two drainage holes which are arranged on the radiating fin main body and distributed in a layered manner, and drainage plates which obliquely and outwardly extend from the edges of the bottoms of the drainage holes, and the two adjacent drainage plates are respectively inclined towards two sides of the radiating fin main body; the bottom of the radiating fin main body is provided with an installation plate; the clamping plates extend from two ends of the radiating fin main body to the same side respectively, a buckling plate is arranged at one end, away from the radiating fin main body, of each clamping plate, a buckling hole is formed in each buckling plate, a clamping groove matched with each buckling plate is formed in one side, away from the buckling plate, of each clamping plate, and a clamping block matched with each buckling hole extends out of the radiating fin main body into the clamping groove. The utility model provides a current not good problem of fin radiating effect.

Description

Radiating fin with drainage structure

Technical Field

The utility model relates to a fin technical field, concretely relates to fin with drainage structure.

Background

With the development of technology, the higher the functional requirements of electronic devices, the higher the number and integration of electronic components used, and the higher the relative heat dissipation requirements, the better the heat dissipation efficiency will directly affect the reliability and service life of electronic devices. It is a common structure to use heat dissipation fins as heat dissipation devices.

The existing radiator is always provided with a plurality of layers of planar radiating aluminum sheets to achieve the purposes of increasing the contact area with air and improving the radiating efficiency, and the structure easily causes the air to be detained on the surface of the radiating fin, so that the radiating efficiency is limited.

Therefore, it is necessary to provide a technical solution to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fin with drainage structure aims at solving and often sets up the planar heat dissipation aluminum sheet of multilayer in order to reach the area of contact who increases with the air on the current radiator, improves the purpose of radiating efficiency, and this kind of structure leads to the air to be detained on the fin surface easily for the limited problem of radiating efficiency.

In order to achieve the above object, the present invention provides a heat sink with a drainage structure, comprising a heat sink main body, wherein:

the radiating fin main body is provided with a drainage part; the drainage part comprises at least two drainage holes which are arranged on the radiating fin main body and distributed in a layered manner, and drainage plates which extend outwards from the edges of the bottoms of the drainage holes in an inclined manner, and two adjacent drainage plates are inclined towards two sides of the radiating fin main body respectively; the bottom of the radiating fin main body is provided with an installation plate; the clamping plates extend from two ends of the radiating fin main body to the same side respectively, a buckling plate is arranged at one end, away from the radiating fin main body, of each clamping plate, a buckling hole is formed in each buckling plate, a clamping groove matched with each buckling plate is formed in one side, away from the buckling plate, of each clamping plate, and a clamping block matched with each buckling hole extends from the radiating fin main body into the clamping groove.

More specifically, the fin main part is by the copper mainboard, locate the graphite flake of copper mainboard both sides and locate two the graphite flake is kept away from the aluminum plate complex of copper mainboard one end is made.

More specifically, the graphite sheet is synthesized from graphene, nanocarbon, ferrite, and rare earth.

More specifically, the graphite sheet meets with the copper mainboard through calendering.

More specifically, the drainage portion is equipped with a plurality of, and is a plurality of the drainage portion be the array arrange in on the fin main part.

More specifically, the length direction of the drainage hole is the same as the length direction of the heat sink main body.

More specifically, the included angle formed between the drainage plate and the radiating fin main body is 15-40 degrees.

More specifically, the radiating fin main body is provided with a connecting hole, and a reinforcing side plate extends out of the outer side of the connecting hole.

The utility model relates to a technical effect of fin with drainage structure does:

1. the cooperation of drainage plate and drainage hole forms airflow channel in this application to guide the air current fully to flow between each fin on the radiator, reach the effect that increases the radiating efficiency.

2. When this application is applied to on the radiator, the buckle joint board on each fin can extend in the draw-in groove on its front side fin to make the fixture block joint in the buckle joint downthehole, make and be connected between each fin, improve the stability of fin group on the radiator.

Drawings

Fig. 1 is a schematic structural view of a heat sink with a flow-guiding structure according to the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is an enlarged schematic view at B of FIG. 1;

fig. 4 is a schematic cross-sectional view of a heat sink with a flow directing structure according to the present invention;

FIG. 5 is an enlarged schematic view at C of FIG. 4;

fig. 6 is a diagram showing the flow of air through a fin having a flow directing structure according to the present invention.

The labels in the figure are:

1-a heat sink body; 11-a copper master plate; 12-graphite flakes; 13-an aluminum plate; 2, a drainage part; 21-drainage holes; 22-a drainage plate; 3, mounting a plate; 4, clamping the board; 41-a fastening plate; 42-buckling holes; 43-card slot; 44-a fixture block; 5, connecting holes; 51-reinforcing side plates;

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the embodiments of the present invention, it should be understood that the orientations and positional relationships indicated by the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are based on the orientations and positional relationships shown in the drawings and are only for convenience in describing the embodiments of the present invention and for simplicity in description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

To more clearly illustrate the technical solution of the present invention, the following provides a preferred embodiment, specifically referring to fig. 1 to 6, a heat sink with a flow guiding structure, comprising a heat sink main body 1, wherein:

the radiating fin main body 1 is provided with a drainage part 2; the drainage part 2 comprises at least two drainage holes 21 which are arranged on the radiating fin main body 1 and distributed in a layered manner, and drainage plates 22 which extend outwards from the edges of the bottoms of the drainage holes 21 in an inclined manner, and two adjacent drainage plates 22 are inclined towards two sides of the radiating fin main body 1 respectively; the bottom of the radiating fin main body 1 is provided with an installation plate 3; the two ends of the heat radiating fin main body 1 respectively extend out of the clamping plates 4 towards the same side, one end, away from the heat radiating fin main body 1, of each clamping plate 4 is provided with a buckling plate 41, a buckling hole 42 is formed in each buckling plate 41, one side, away from the buckling plate 41, of each clamping plate 4 is provided with a clamping groove 43 matched with the buckling plate 41, and the heat radiating fin main body 1 extends out of a clamping block 44 matched with the buckling hole 42 into the clamping groove 43.

In this embodiment, the flow guide plate 22 and the flow guide holes 21 cooperate to form an airflow channel, so as to guide the airflow to fully flow between the fins on the heat sink, thereby achieving the effect of increasing the heat dissipation efficiency. Referring specifically to fig. 6, the flow of air is shown when several heat sinks are combined.

Further, in this embodiment, when the heat sink is applied to a heat sink, the fastening plate 41 of each heat sink can extend into the fastening slot 43 of the heat sink on the front side, and the fastening block 44 is fastened in the fastening hole 42, so that the heat sinks are connected to each other, thereby improving the stability of the heat sink set on the heat sink. The radiating fins can be connected with each other through other structures, and the design aims to connect the radiating fins to form a whole so as to improve the stability of the radiator.

As a preferable solution of this embodiment, the heat sink main body 1 is made by compositing a copper main plate 11, graphite sheets 12 disposed on two sides of the copper main plate 11, and an aluminum plate 13 disposed on one end of the two graphite sheets 12 far away from the copper main plate 11. The copper main board 11 and the graphite sheet 12 have better heat-conducting performance, can conduct heat better with the equipment connected with the copper main board, and then radiate heat outwards through the aluminum plate 13, and the design can greatly improve the heat radiation effect of the equipment.

As a preferable aspect of the present embodiment, the graphite sheet 12 is synthesized from graphene, nanocarbon, ferrite, and rare earth. The graphite flake 12 made of the material has extremely high heat conductivity coefficient and higher heat dissipation effect, and has simple structure and strong practicability.

As a preferable mode of this embodiment, the graphite sheet 12 is joined to the copper main plate 11 by rolling. Due to the design, an adhesive is not needed between the graphite sheet 12 and the copper main board 11, so that the interface thermal resistance is greatly reduced, and the interlayer degumming phenomenon of the radiating fin is effectively avoided.

As a preferable scheme of this embodiment, the drainage portions 2 are provided in a plurality, and the drainage portions 2 are arranged in an array on the heat sink main body 1.

In a preferred embodiment of the present invention, the longitudinal direction of the drainage hole 21 is the same as the longitudinal direction of the fin body 1.

Preferably, the angle a formed between the drainage plate 22 and the heat sink main body 1 is 15 ° to 40 °.

In a preferred embodiment of the present invention, the heat sink body 1 is provided with a connection hole 5, and a reinforcing side plate 51 extends from an outer side of the connection hole 5. The connecting holes 5 are used for connecting heat conducting columns, and the reinforcing side plates 51 improve the stability between the radiating fin main body 1 and the heat conducting columns.

The utility model relates to a fin with drainage structure through reasonable structure setting, has solved and has set up the planar heat dissipation aluminum sheet of multilayer on the current radiator in order to reach the area of contact who increases with the air often, improves the purpose of radiating efficiency, and this kind of structure leads to the air to be detained on the fin surface easily for the limited problem of radiating efficiency.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the structure thereof is not limited to the shapes illustrated above, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A fin with drainage structures which characterized in that: including the fin main part, wherein:

the radiating fin main body is provided with a drainage part; the drainage part comprises at least two drainage holes which are arranged on the radiating fin main body and distributed in a layered manner, and drainage plates which extend outwards from the edges of the bottoms of the drainage holes in an inclined manner, and two adjacent drainage plates are inclined towards two sides of the radiating fin main body respectively; the bottom of the radiating fin main body is provided with an installation plate; the clamping plates extend from two ends of the radiating fin main body to the same side respectively, a buckling plate is arranged at one end, away from the radiating fin main body, of each clamping plate, a buckling hole is formed in each buckling plate, a clamping groove matched with each buckling plate is formed in one side, away from the buckling plate, of each clamping plate, and a clamping block matched with each buckling hole extends out of the radiating fin main body into the clamping groove.

2. The heat sink with flow directing structure of claim 1, wherein: the radiating fin main part is by the copper mainboard, locate the graphite flake of copper mainboard both sides and locate two the graphite flake is kept away from the aluminum plate complex of copper mainboard one end is made.

3. The heat sink with a flow directing structure as recited in claim 2, wherein: the graphite sheet is connected with the copper main board through calendering.

4. The heat sink with flow directing structure of claim 1, wherein: the drainage parts are provided with a plurality of drainage parts which are arranged on the radiating fin main body in an array manner.

5. The heat sink with flow directing structure of claim 1, wherein: the length direction of the drainage holes is the same as that of the radiating fin main body.

6. The heat sink with flow-directing structure as recited in claim 5, wherein: the included angle formed between the drainage plate and the radiating fin main body is 15-40 degrees.

7. The heat sink with flow directing structure of claim 1, wherein: the radiating fin main body is provided with a connecting hole, and a reinforcing side plate extends out of the outer side of the connecting hole.

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