CN219843879U

CN219843879U - Laminated combined radiating fin with efficient radiating structure

Info

Publication number: CN219843879U
Application number: CN202320163733.1U
Authority: CN
Inventors: 王兆武; 陈军管; 王尊超
Original assignee: Kunshan Fuhsin Hardware Electronics Co ltd
Current assignee: Kunshan Fuhsin Hardware Electronics Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-10-17
Anticipated expiration: 2033-02-09

Abstract

The utility model discloses a laminated combined radiating fin with a high-efficiency radiating structure, which relates to the technical field of heat radiation and comprises the following components: the upper end of the base is fixedly connected with a plurality of radiating fin brackets; the heat conducting fin is fixedly connected to the lower end of the base, and the lower end of the heat conducting fin is connected with the external heating component; the heat conduction block penetrates through the base and extends to the upper end of the base; the radiating fins are fixedly connected to the upper ends of the heat conduction blocks and comprise a plurality of laminated radiating fins, and each radiating fin comprises a heat conduction part in the middle and auxiliary heat conduction fins on two sides; and the radiating fans are fixedly arranged on two sides of the upper end of the base. The utility model has the advantages that: through setting up the heat conduction fin to set up the U-shaped groove at the heat conduction fin middle part, effectually increased the area of contact of air current and fin, made the air current take away the heat on the fin fast, very big increase the radiating efficiency of fin.

Description

Laminated combined radiating fin with efficient radiating structure

Technical Field

The utility model relates to the technical field of heat dissipation, in particular to a laminated combined heat sink with an efficient heat dissipation structure.

Background

The radiating fin is a device for radiating the heat-generating electronic element in the power supply, and is mostly made of aluminum alloy, brass or bronze into a plate shape, a sheet shape, a multi-sheet shape and the like, for example, a CPU central processing unit in a computer needs to use a quite large radiating fin, and a power tube, a row tube and a power amplifier tube in a television need to use the radiating fin. In use, a layer of heat-conducting silicone grease is coated on the contact surface of the electronic element and the heat sink, so that heat emitted by the element is more effectively conducted to the heat sink and then emitted to the surrounding air through the heat sink.

The existing radiating fins are used for further improving radiating efficiency, a fan is usually added on the radiating fins, heat of a chip and a display memory can be effectively and rapidly taken away by flowing air during starting, however, wind direction diversion cannot be conducted in the existing radiating fins generally, so that air flow blown out by the fan cannot rapidly take away heat on the radiating fins, and further radiating efficiency is low.

Disclosure of Invention

In order to solve the technical problem, a stacked combined radiating fin with a high-efficiency radiating structure is provided, the technical scheme solves the problems that the existing radiating fin is further improved in radiating efficiency, a fan is usually added on the radiating fin, heat of a chip and a video memory can be effectively taken away by flowing air during starting, wind direction diversion cannot be carried out in the existing radiating fin, air flow blown out by the fan cannot take away heat on the radiating fin rapidly, and radiating efficiency is low.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a stacked composite heat sink having a high efficiency heat dissipating structure, comprising:

the heat dissipation device comprises a base, wherein the upper end of the base is fixedly connected with a plurality of vertically arranged heat dissipation fin brackets;

the heat conducting fin is fixedly connected to the lower end of the base, and the lower end of the heat conducting fin is connected with an external heating component;

the heat conduction block is fixedly connected with the heat conduction sheet, penetrates through the base and extends to the upper end of the base;

the heat dissipation fins are fixedly connected to the upper ends of the heat conduction blocks, each heat dissipation fin comprises a plurality of laminated heat dissipation fins, each heat dissipation fin comprises a heat conduction part in the middle and auxiliary heat conduction fins on two sides, each heat dissipation fin is in a mountain shape, and heat conduction fins are fixedly connected to two sides of each heat conduction part and two sides of each auxiliary heat conduction fin;

and the cooling fans are fixedly arranged on two sides of the upper end of the base and are arranged below the auxiliary heat conducting fins.

Preferably, the heat conducting fin is provided with a U-shaped groove, and the U-shaped groove forms a heat dissipation air duct.

Preferably, a heat dissipation air port is arranged on the upper surface of the heat dissipation fan, and the heat dissipation air port faces the heat dissipation air channel.

Preferably, an air guide arc is arranged below the auxiliary heat conducting fin, and the air guide arc guides the air flow blown out by the heat dissipation air port to the heat dissipation air channels on two sides.

Preferably, the upper end of the radiating fin bracket is provided with a plurality of positioning grooves, a plurality of positioning grooves are arranged in a clearance mode, a plurality of positioning grooves correspond to a plurality of radiating fins one by one, and the radiating fins are inserted into the positioning grooves.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a novel radiating fin structure, which is characterized in that a U-shaped groove is formed in the middle of a heat conducting fin, so that the radiating area of the heat conducting fin is greatly increased, a radiating air channel for airflow to flow is formed on the other hand, meanwhile, by arranging auxiliary heat conducting fins on two sides and arranging air guide arcs at the lower ends of the auxiliary heat conducting fins, the airflow blown by a radiating fan is guided into the radiating air channels on two sides, the contact area of the airflow and the radiating fins is effectively increased, the heat on the radiating fins can be rapidly taken away by the airflow, and the radiating efficiency of the radiating fin is greatly increased.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic perspective view of a heat sink according to the present utility model;

FIG. 4 is an enlarged partial schematic view of FIG. 3A;

fig. 5 is a cross-sectional view of a heat sink in the present utility model.

The reference numerals in the figures are:

1. a base; 101. a heat radiating fin bracket; 102. a positioning groove; 2. a heat conductive sheet; 3. a heat conduction block; 4. a heat radiation fin; 401. a heat conduction part; 402. auxiliary heat conductive sheet; 403. a heat conducting fin; 404. a U-shaped groove; 405. an air guide arc; 5. a heat radiation fan; 501. and a heat dissipation air port.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-5, a laminated composite heat sink having a high efficiency heat dissipation structure, comprising:

the heat dissipation fin bracket comprises a base 1, wherein the upper end of the base 1 is fixedly connected with a plurality of vertically arranged heat dissipation fin brackets 101;

the heat conducting fin 2 is fixedly connected to the lower end of the base 1, and the lower end of the heat conducting fin 2 is connected with an external heating component;

the heat conduction block 3, the heat conduction block 3 is fixedly connected with the heat conduction sheet 2, and the heat conduction block 3 penetrates through the base 1 and extends to the upper end of the base 1;

the heat dissipation fins 4 are fixedly connected to the upper ends of the heat conduction blocks 3, the heat dissipation fins 4 are formed by a plurality of laminated heat dissipation fins, each heat dissipation fin comprises a heat conduction part 401 in the middle and auxiliary heat conduction fins 402 on two sides, each heat dissipation fin is in a mountain shape, and heat conduction fins 403 are fixedly connected to two sides of the heat conduction part 401 and two sides of the auxiliary heat conduction fins 402;

and the cooling fans 5 are fixedly arranged on two sides of the upper end of the base 1, and the cooling fans 5 are arranged below the auxiliary heat conducting fins 402.

The heat conducting fins 403 are provided with U-shaped grooves 404, the U-shaped grooves 404 form a heat radiating air channel, and the upper surface of the heat radiating fan 5 is provided with a heat radiating air port 501;

through setting up heat conduction fin 403 to set up U-shaped groove 404 at heat conduction fin 403 middle part, U-shaped groove 404's setting has greatly increased the radiating area of heat conduction fin 403 on the one hand, and on the other hand has formed a radiating wind channel that is used for carrying out the air current flow, makes the radiating air current of the manufacturing of radiator fan 5 can form a stable radiating air current way that contacts with the fin, the effectual area of contact that has increased air current and fin, and then makes the air current take away the heat on the fin fast.

The heat dissipation air port 501 faces the heat dissipation air channel, an air guide arc 405 is arranged below the auxiliary heat conduction sheet 402, and the air guide arc 405 guides the air flow blown out by the heat dissipation air port 501 to the heat dissipation air channels on two sides.

The air guide arc 405 can effectively guide the air flow blown out from the heat dissipation air port 501 into the U-shaped grooves 404 on two sides of the auxiliary heat conduction sheet, so as to enable the heat dissipation air flow produced by the heat dissipation fan 5 to stably enter the heat dissipation air channel for heat dissipation.

The upper end of the radiating fin bracket 101 is provided with a plurality of positioning grooves 102, the plurality of positioning grooves 102 are arranged in a clearance mode, the plurality of positioning grooves 102 correspond to the plurality of radiating fins one by one, and the radiating fins are inserted into the positioning grooves 102.

Through setting up a plurality of constant head tanks 102 and carrying out auxiliary grafting location to the fin, the effectual stability of guaranteeing the whole package assembly of fin has avoided the fin to take place crooked contact and has led to the radiating area to reduce, influences radiating condition emergence.

The working principle of the utility model is as follows: firstly, a layer of heat conduction silicone grease is coated on the lower end of a heat conduction sheet 2, the heat conduction sheet 2 is in contact with a heating element for installation, then, when the heat conduction type heat dissipation device works, heat of the heating element is conducted to a heat dissipation fin 4 through a heat conduction block 3, meanwhile, a heat dissipation fan 5 is started, vertical upward heat dissipation air flow is blown out from a heat dissipation air port 501, and under the guiding action of an air guide arc 405, the heat dissipation air flow can stably enter a U-shaped groove 404 to form a heat dissipation air channel, and heat on the heat dissipation sheet is taken away.

In summary, the utility model has the advantages that: through setting up the heat conduction fin to set up the U-shaped groove at the heat conduction fin middle part, effectually increased the area of contact of air current and fin, made the air current take away the heat on the fin fast, very big increase the radiating efficiency of fin.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A laminated composite heat sink having a high efficiency heat dissipating structure, comprising:

the heat dissipation device comprises a base (1), wherein the upper end of the base (1) is fixedly connected with a plurality of vertically arranged heat dissipation fin brackets (101);

the heat conducting fin (2), the heat conducting fin (2) is fixedly connected to the lower end of the base (1), and the lower end of the heat conducting fin (2) is connected with an external heating component;

the heat conduction block (3), the heat conduction block (3) is fixedly connected with the heat conduction sheet (2), and the heat conduction block (3) penetrates through the base (1) and extends to the upper end of the base (1);

the heat dissipation fin (4), the heat dissipation fin (4) is fixedly connected to the upper end of the heat conduction block (3), the heat dissipation fin (4) is composed of a plurality of laminated heat dissipation fins, each heat dissipation fin comprises a heat conduction part (401) in the middle and auxiliary heat conduction fins (402) on two sides, each heat dissipation fin is in a mountain shape, and heat conduction fins (403) are fixedly connected to two sides of the heat conduction part (401) and two sides of the auxiliary heat conduction fins (402);

and the cooling fans (5) are fixedly arranged on two sides of the upper end of the base (1), and the cooling fans (5) are arranged below the auxiliary heat conducting fins (402).

2. The laminated combined radiating fin with the efficient radiating structure as claimed in claim 1, wherein the heat conducting fins (403) are provided with U-shaped grooves (404), and the U-shaped grooves (404) form a radiating air channel.

3. The laminated combined radiating fin with the efficient radiating structure according to claim 2, wherein the radiating air opening (501) is arranged on the upper surface of the radiating fan (5), and the radiating air opening (501) faces to the radiating air channel.

4. A laminated combined radiating fin with a high-efficiency radiating structure according to claim 3, characterized in that an air guide arc (405) is arranged below the auxiliary heat conducting fin (402), and the air guide arc (405) guides the air flow blown out by the radiating air opening (501) to the radiating air channels on two sides.

5. The laminated combined radiating fin with the efficient radiating structure according to claim 4, wherein a plurality of positioning grooves (102) are formed in the upper end of the radiating fin bracket (101), the positioning grooves (102) are arranged in a clearance mode, the positioning grooves (102) are in one-to-one correspondence with the radiating fins, and the radiating fins are inserted into the positioning grooves (102).