CN211041904U

CN211041904U - Radiating fin convenient for downward blowing of module radiating fan

Info

Publication number: CN211041904U
Application number: CN201922011035.6U
Authority: CN
Inventors: 张艳军; 杨绍泰
Original assignee: Qingdao Hongce Precision Electronic Part Co ltd
Current assignee: Qingdao Hongce Precision Electronic Part Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-07-17
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a fin convenient to module radiator fan blows down, including the heat pipe and with heat pipe complex heat abstractor, heat abstractor is the back taper structure, and heat abstractor includes first fin, second fin and third fin, first fin, second fin and third fin are from the top down to arrange, third fin, second fin and first fin are passed in proper order and are extended to the top of first fin on the top of heat pipe. The utility model discloses in, be the back taper with a plurality of fin and arrange, because first fin and second fin all have the tapering, when cold wind head-on comes out, can play the effect of gathering wind, because the third fin is located the below, at first with the heat pipe contact, consequently the temperature on the third fin is highest, the wind of gathering can blow on the second cooling fin and the first cooling fin of third fin and top surface and bottom surface, realizes dispelling the heat with higher speed.

Description

Radiating fin convenient for downward blowing of module radiating fan

Technical Field

The utility model relates to a fin field especially relates to a fin convenient to module radiator fan blows down.

Background

At present, a relatively high-end radiator mostly adopts a combination of a heat pipe and a heat dissipation fin, after the heat dissipation fin absorbs heat, internal heat conduction liquid is vaporized, heat in the heat conduction liquid is dissipated through the heat dissipation fin, the vaporized heat conduction liquid is condensed and finally flows back to a base to achieve circular heat dissipation, but the existing heat dissipation fins are all flat plate-shaped structures and are stacked in multiple layers, when a heat dissipation fan blows the heat dissipation fins, only the heat dissipation fins located on the outer side can be blown by cold air, convection is hardly formed between the heat dissipation fins located in the middle layer, and heat dissipation is easy, so that the heat dissipation effect is reduced.

Therefore, it is necessary to design a heat sink for facilitating the downward blowing of the module heat dissipation fan.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the heat sink is designed to facilitate downward blowing of the modular heat sink fan in order to solve the problems of the background art.

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

the utility model provides a fin convenient to module radiator fan is bloied down, includes the heat pipe and with heat pipe complex heat abstractor, heat abstractor is the back taper structure, and heat abstractor includes first fin, second fin and third fin, first fin, second fin and third fin are from the top down and arrange, the top of heat pipe passes third fin, second fin and first fin in proper order and extends to the top of first fin.

As a further description of the above technical solution:

first fin and second fin are the ring structure that has the tapering, the heat pipe evenly distributed is on first fin, second fin and third fin.

As a further description of the above technical solution:

the area of the first cooling fin between the adjacent heat pipes is provided with a first ventilation hole, and a baffle plate for guiding cold air to the second cooling fin is arranged on the outer side, corresponding to the first ventilation hole, of the bottom surface of the first cooling fin.

As a further description of the above technical solution:

and the area of the second radiating fin between the adjacent heat pipes is provided with a second air vent for guiding cold air to the third radiating fin, and the second air vent is obliquely arranged.

As a further description of the above technical solution:

the bottom surface of the third radiating fin is arranged on a plurality of first radiating fins, and the first radiating fins are annularly arranged around a third ventilation hole in the middle of the third radiating fin.

As a further description of the above technical solution:

and second radiating fins are arranged on the top surface of the third radiating fin and in the area between the adjacent heat pipes, are arranged in an annular manner around the third ventilation hole, and correspond to the second ventilation hole in position.

As a further description of the above technical solution:

the width of the first radiating fin is the same as that of the second radiating fin, and the distance between the first radiating fin and the second radiating fin is the same as that between the second radiating fin and the third radiating fin.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, be the back taper with a plurality of fin and arrange, because first fin and second fin all have the tapering, when cold wind head-on comes out, can play the effect of gathering wind, because the third fin is located the below, at first with the heat pipe contact, consequently the temperature on the third fin is highest, the wind of gathering can blow on the second cooling fin and the first cooling fin of third fin and top surface and bottom surface, realizes dispelling the heat with higher speed.

2. The utility model discloses in, seted up first ventilation hole on the first cooling fin, seted up second ventilation hole on the second cooling fin, through first ventilation hole and second ventilation hole fast with the cooling fin of wind direction below, improve the radiating efficiency to cold wind.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken at B-B in FIG. 1

Fig. 4 is a top view of a second heat sink in the present invention;

FIG. 5 is a cross-sectional view taken at C-C of FIG. 4;

fig. 6 is a top view of a third heat sink in the present invention;

fig. 7 is a bottom view of the third heat sink of the present invention.

Illustration of the drawings:

1. a heat pipe; 2. a heat sink; 201. a first heat sink; 202. a second heat sink; 203. a third heat sink; 204. a first vent hole; 205. a baffle plate; 206. a second vent hole; 207. a first heat radiation fin; 208. a third vent hole; 209. and a second heat dissipation fin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a fin convenient to module radiator fan is bloied down, including heat pipe 1 and heat abstractor 2 with heat pipe 1 complex, heat abstractor 2 is the back taper structure, and heat abstractor 2 includes first fin 201, second fin 202 and third fin 203, first fin 201, second fin 202 and third fin 203 are from the top down to arranging, third fin 203, second fin 202 and first fin 201 are passed in proper order and are extended to the top of first fin 201 in the top of heat pipe 1.

First fin 201 and second fin 202 are the circular ring structure that has the tapering, and heat pipe 1 evenly distributed is on first fin 201, second fin 202 and third fin 203, because first fin 201 and second fin 202 are the circular ring structure that has the tapering, when radiator fan blows to heat abstractor 2, the inclined plane on first fin 201 and the second fin 202 can play the function of gathering wind for the air current that flows downwards is more, the pile-up mode of back taper, make the air current velocity of flow that moves downwards faster.

The area of the first cooling fin 201 between the adjacent heat pipes 1 is provided with a first vent hole 204, the bottom surface of the first cooling fin 201 corresponding to the outside of the first vent hole 204 is provided with a baffle plate 205 guiding cold air to the second cooling fin 202, because the heat pipes 1 are uniformly distributed on the first cooling fin 201, the second cooling fin 202 and the third cooling fin 203, the plurality of heat pipes 1 are also arranged according to a cone, the distance between the adjacent heat pipes 1 is larger, the area capable of achieving heat dissipation is relatively constant, therefore, in order to improve air convection, the plurality of first vent holes 204 are arranged on the first cooling fin 201, and the airflow is guided to the second cooling fin 202 through the baffle plate 205.

The area of the second heat sink 202 between the adjacent heat pipes 1 is provided with a second vent hole 206 for guiding the cooling air to the third heat sink 203, and the second vent hole 206 is arranged obliquely, and the same purpose as the first vent hole 204, because the distance between the adjacent heat pipes 1 is shortened here, in order to ensure convection without affecting the heat dissipation effect, the solution is solved by using the second vent hole 206 arranged obliquely.

The bottom surface of the third heat sink 203 is arranged on a plurality of first heat dissipation fins 207, the first heat dissipation fins 207 are annularly arranged around a third vent hole 208 in the middle of the third heat sink 203, the top surface of the third heat sink 203 and the area between adjacent heat pipes 1 are provided with second heat dissipation fins 209, the second heat dissipation fins 209 are annularly arranged around the third vent hole 208, the second heat dissipation fins 209 correspond to the second vent hole 206, the third heat sink 203 is positioned at the lowest part and is firstly contacted with the heat pipes 1, so that the temperature is highest, the second heat dissipation fins 209 and the first heat dissipation fins 207 are respectively arranged on the top surface and the bottom surface of the third heat sink 203 to assist the third heat sink 203 to quickly dissipate heat, and the air flows gathered by the first heat sink 201 and the second heat sink 202 are finally blown to the third heat sink 203, so that the heat dissipation is accelerated.

The widths of the first and

second fins

201 and 202 are the same, and the interval between the first and

second fins

201 and 202 and the interval between the second and

third fins

202 and 203 are the same, so that the gap between the adjacent fins is sufficient and heat exchange can be performed with sufficient contact with the air flow.

The working principle is as follows: the cold air flows from top to bottom, firstly contacts with the first cooling fin 201, under the guiding of the inclined surface of the first cooling fin 201, the air flows downwards to pass through the second cooling fin 202, part of the air passes through the first vent hole 204, and the cold air is guided to the second cooling fin 202 under the action of the baffle plate 205, the same inclined surface of the second cooling fin 202 guides the air to the third cooling fin 203, part of the air guides the cold air to the third cooling fin 203 under the action of the second vent hole 206, in the air gathering and guiding processes, the first cooling fin 201 and the second cooling fin 202 both radiate the heat pipe 1, and when the gathered air blows to the third cooling fin 203, the second cooling fin 209 and the first cooling fin 207 assist the third cooling fin 203 to radiate heat quickly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fin convenient to module radiator fan is bloied down, includes heat pipe (1) and heat abstractor (2) with heat pipe (1) complex, its characterized in that, heat abstractor (2) are the back taper structure, and heat abstractor (2) include first fin (201), second fin (202) and third fin (203), first fin (201), second fin (202) and third fin (203) are from the top down to arrange, the top of heat pipe (1) passes third fin (203), second fin (202) and first fin (201) in proper order and extends to the top of first fin (201).

2. A heat sink for facilitating downward blowing of a modular heat dissipating fan according to claim 1, wherein the first heat sink (201) and the second heat sink (202) are each a tapered circular ring structure, and the heat pipes (1) are uniformly distributed on the first heat sink (201), the second heat sink (202), and the third heat sink (203).

3. A heat sink for facilitating downward blowing of a modular heat dissipating fan according to claim 2, wherein the first heat sink (201) is provided with a first ventilation hole (204) at a region between the adjacent heat pipes (1), and a baffle (205) for guiding the cool air to the second heat sink (202) is provided at an outer side of a bottom surface of the first heat sink (201) corresponding to the first ventilation hole (204).

4. A heat sink for facilitating downward blowing of a modular heat dissipating fan according to claim 2, wherein the area of the second heat sink (202) between the adjacent heat pipes (1) is provided with second ventilation holes (206) for guiding the cool air to the third heat sink (203), the second ventilation holes (206) being arranged obliquely.

5. A heat sink for facilitating downward air blowing of a modular heat dissipating fan as claimed in claim 1, wherein the bottom surface of the third heat dissipating fin (203) is disposed with a plurality of first heat dissipating fins (207), and the first heat dissipating fins (207) are arranged in a ring around the third ventilation hole (208) at the middle of the third heat dissipating fin (203).

6. A heat sink facilitating downward blowing by a modular heat sink fan according to claim 4 or 5, wherein the top surface of the third heat sink (203) and the area between the adjacent heat pipes (1) is provided with second heat sink fins (209), the second heat sink fins (209) are arranged in a ring around the third ventilation hole (208), and the second heat sink fins (209) correspond to the second ventilation hole (206).

7. A heat sink for facilitating downward blowing of a modular heat dissipating fan as claimed in claim 1, wherein the first heat sink (201) and the second heat sink (202) have the same width, and the interval between the first heat sink (201) and the second heat sink (202) is the same as the interval between the second heat sink (202) and the third heat sink (203).