CN214592524U

CN214592524U - Novel radiating fin structure

Info

Publication number: CN214592524U
Application number: CN202023010264.5U
Authority: CN
Inventors: 许晋维
Original assignee: Suzhou Yongteng Electronic Product Co ltd
Current assignee: Suzhou Yongteng Electronic Product Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-11-02
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a novel heat sink structure, including the fin main part, the lower extreme of fin main part is provided with the heat dissipation substrate, the heat dissipation substrate is the aluminum alloy sheet metal of rectangle form, the up end of heat dissipation substrate is provided with the heat dissipation fin, the heat dissipation fin is horizontal vertical aluminum alloy plate, heat dissipation fin longitudinal arrangement is at the up end of heat dissipation substrate, the side end face of heat dissipation fin is provided with vice fin, vice fin is vertical aluminum alloy plate, the louvre has been seted up to the side end face of heat dissipation fin, the horizontal equidistance of vice fin is arranged in the both sides of heat dissipation fin, the thickness of heat dissipation fin and vice fin is steadilyd decrease by supreme down gradually, the edge of vice fin is cockscomb structure. The utility model discloses a heat dissipation fin has promoted the heat radiating area of heat dissipation fin with the vice fin cooperation of heat dissipation greatly to promote the radiating efficiency of fin main part, through set up the ventilation effect of louvre in order to promote the radiator on the radiator, come the air flow on heat dissipation fin surface with higher speed, promote the radiating efficiency of heat dissipation fin.

Description

Novel radiating fin structure

Technical Field

The utility model belongs to the technical field of the fin, specifically be a novel fin structure.

Background

In the development trend of modern society, the requirements on heat dissipation elements are higher and higher, the size and the heat dissipation effect of a radiator are also higher and higher, the design margin of the radiator is more and more precise, and under the harsh environment, the traditional radiator is difficult to meet the heat dissipation requirements and needs to be improved and optimized on the radiator.

The utility model discloses a novel radiator in grant bulletin number CN210900175U, including base plate, blade and wind channel board, the wind channel board is the shape of falling U, wind channel board riveting is at the upper surface of base plate, the blade sets up between wind channel board and base plate, be equipped with a plurality of fins on the blade, every all be equipped with the interval between the fin, fin parallel arrangement, adopt even disconnection structure extrusion between the fin.

Above-mentioned a novel radiator that discloses, the fin heat radiating area of this radiator is less, ventilates relatively poorly and leads to the radiating effect not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel fin structure to solve among the prior art fin heat radiating area less, the relatively poor problem of fin ventilation effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel heat dissipation fin structure, includes the heat dissipation fin main part, the lower extreme of heat dissipation fin main part is provided with the heat dissipation substrate, the heat dissipation substrate is the aluminum alloy sheet metal of rectangle form, the up end of heat dissipation substrate is provided with the heat dissipation fin, the heat dissipation fin is horizontal vertical aluminum alloy plate, and heat dissipation fin longitudinal arrangement is at the up end of heat dissipation substrate, the side end face of heat dissipation fin is provided with vice fin, vice fin is vertical aluminum alloy plate, the louvre has been seted up to the side end face of heat dissipation fin.

Preferably, the auxiliary fins are transversely arranged on two sides of the heat dissipation fin at equal intervals, and the heat dissipation surfaces of the heat dissipation fin are greatly increased by the auxiliary fins, so that the heat dissipation efficiency is improved.

Preferably, the bottom distance of the heat dissipation fins is four times of the side view width of the single sub-fins, so that enough space is reserved between the heat dissipation fins, and the influence of over-crowding of the heat dissipation fins on ventilation and heat dissipation is avoided.

Preferably, the thicknesses of the heat dissipation fin and the auxiliary fin gradually decrease from bottom to top, and as the bottom of the heat dissipation fin is connected with the heat dissipation substrate, large-area contact is needed for heat conduction, so that the heat transfer efficiency between the heat dissipation fin and the heating element is improved, and the heat dissipation effect is improved.

Preferably, the heat dissipation holes are circular through holes, the heat dissipation holes are evenly arrayed on the side end faces of the heat dissipation fins, the heat dissipation holes improve the heat dissipation effect of the heat dissipation fins, and the production cost of the heat dissipation fin main body is reduced.

Preferably, the heat dissipation holes on the heat dissipation fins are overlapped in front view, so that the longitudinal ventilation effect of the heat dissipation fins is greatly improved, and the heat dissipation effect of the heat dissipation fins is improved.

Preferably, the edge of the auxiliary fin is of a sawtooth corrugated structure, and a plane is replaced by a curved surface, so that the heat dissipation area of the side end face of the auxiliary fin is greatly increased, and the heat dissipation efficiency of the auxiliary fin is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a heat dissipation fin has promoted the heat radiating area of heat dissipation fin with the vice fin cooperation of heat dissipation greatly to promote the radiating efficiency of fin main part, through set up the ventilation effect of louvre in order to promote the radiator on the radiator, come the air flow on heat dissipation fin surface with higher speed, promote the radiating efficiency of heat dissipation fin.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1 heat sink body, 11 heat sink substrate, 12 heat sink fins, 13 secondary fins, 14 heat sink holes.

Detailed Description

Referring to fig. 1, a novel heat sink structure includes a heat sink main body 1, a heat sink substrate 11 is welded to a lower end of the heat sink main body 1, the heat sink substrate 11 is a rectangular aluminum alloy thin plate, heat sink fins 12 are welded to an upper end surface of the heat sink substrate 11, the heat sink fins 12 are horizontal vertical aluminum alloy plates, the heat sink fins 12 are longitudinally arranged on the upper end surface of the heat sink substrate 11, integrally formed auxiliary fins 13 are arranged on side end surfaces of the heat sink fins 12, the auxiliary fins 13 are vertical aluminum alloy plates, and heat sink holes 14 are formed in side end surfaces of the heat sink fins 12.

Referring to fig. 2, the auxiliary fins 13 are transversely and equidistantly arranged on two sides of the heat dissipation fin 12, the heat dissipation surfaces of the heat dissipation fins 12 are greatly increased by the auxiliary fins 13, so that the heat dissipation efficiency is improved, the bottom distance of the heat dissipation fins 12 is four times of the side view width of the single auxiliary fin 13, a sufficient space is ensured to be reserved between the heat dissipation fins 12, the heat dissipation fins 12 are prevented from being overcrowded to affect ventilation and heat dissipation, the edges of the auxiliary fins 13 are of a saw-toothed corrugated structure, a plane is replaced by curved surfaces, the heat dissipation area of the side end surfaces of the auxiliary fins 13 is greatly improved, and the heat dissipation efficiency of the auxiliary fins 13 is improved.

Referring to fig. 2 and 3, the thicknesses of the heat dissipating fins 12 and the sub-fins 13 gradually decrease from bottom to top, since the bottom of the heat dissipating fins 12 is connected to the heat dissipating substrate 1, a large area of contact is required for heat conduction, and the heat transfer efficiency between the heat dissipating fins 12 and the heat generating member is improved, so as to improve the heat dissipation effect, the heat dissipating holes 14 are circular through holes, the heat dissipating holes 14 are uniformly arrayed on the side end surfaces of the heat dissipating fins 12, the heat dissipating holes 14 improve the heat dissipation effect of the heat dissipating fins 12, and the production cost of the heat dissipating fin body 1 is reduced, the heat dissipating holes 14 on the heat dissipating fins 12 are aligned, so that the longitudinal ventilation effect of the heat dissipating fins 12 is greatly improved, and thus the heat dissipation effect of the heat dissipating fins 12 is improved.

The working principle of the scheme is as follows: the utility model has the advantages that: the utility model discloses a heat dissipation fin 12 has promoted the heat radiating area of heat dissipation fin 12 with the vice fin 13 cooperation of heat dissipation greatly to promote the radiating efficiency of fin main part 1, through set up the ventilation effect of louvre 14 in order to promote the radiator on the radiator, accelerate the air flow on heat dissipation fin 12 surface, promote the radiating efficiency of heat dissipation fin 12.

Claims

1. The utility model provides a novel heat sink structure, includes fin main part (1), its characterized in that: the lower extreme of fin main part (1) is provided with heat dissipation substrate (11), heat dissipation substrate (11) are the aluminum alloy sheet metal of rectangle form, the up end of heat dissipation substrate (11) is provided with heat dissipation fin (12), heat dissipation fin (12) are horizontal vertical aluminum alloy plate, and heat dissipation fin (12) longitudinal arrangement is at the up end of heat dissipation substrate (11), the side end face of heat dissipation fin (12) is provided with vice fin (13), vice fin (13) are vertical aluminum alloy plate, louvre (14) have been seted up to the side end face of heat dissipation fin (12).

2. A novel heat sink structure as claimed in claim 1, wherein: the auxiliary fins (13) are transversely arranged on both sides of the heat dissipation fin (12).

3. A novel heat sink structure as claimed in claim 1, wherein: the bottom spacing of the heat dissipation fins (12) is four times of the side view width of the single-chip secondary fin (13).

4. A novel heat sink structure as claimed in claim 1, wherein: the thicknesses of the heat dissipation fins (12) and the sub-fins (13) are gradually reduced from bottom to top.

5. A novel heat sink structure as claimed in claim 1, wherein: the radiating holes (14) are circular through holes, and the radiating holes (14) are uniformly arrayed on the side end face of the radiating fin (12).

6. A novel heat sink structure as claimed in claim 1, wherein: the heat dissipation holes (14) on the heat dissipation fins (12) are overlapped in front view.

7. A novel heat sink structure as claimed in claim 1, wherein: the edge of the secondary fin (13) is of a sawtooth corrugated structure.