CN203457480U - Heat radiation fan - Google Patents

Abstract

The utility model discloses a radiator fan, including base, fan unit, radiating piece, heat pipe, and radiating pad, wherein fan unit includes U type side wall, fan main part and storage tank. The U-shaped side wall comprises an opening, one end of the U-shaped side wall is connected with the base, the fan main body is arranged in the U-shaped side wall, and the accommodating groove is connected with the U-shaped side wall and is close to the opening. The heat dissipation part is arranged on the base and is close to the opening, and the heat pipe is arranged on the base and is close to the opening. The heat dissipation pad is disposed in the at least one accommodation groove and contacts the heat pipe and/or the base to assist in heat dissipation. The utility model discloses a radiator fan can let radiator fan lateral wall have the heat dissipation efficiency.

Description

cooling fan

technical field

The utility model relates to a heat dissipation fan, in particular to a heat dissipation fan which enables the side wall of the heat dissipation fan to have heat dissipation effect.

Background technique

Electronic devices tend to generate a lot of heat when the internal components are in operation. In order to ensure the normal operation of the components, a cooling device needs to be installed to release excess heat to the outside of the electronic device. With the advancement of technology, portable electronic products, such as notebook computers, are becoming more and more lightweight and thin to meet the needs of users for portability. However, with the trend of notebook computers becoming smaller and smaller, The problem of heat dissipation is even more important, because the internal components of the notebook computer are fixed, including the motherboard, central processing unit, hard disk, memory, processing chip, etc. Under high-frequency operation, high heat will inevitably be generated, but because the notebook computer The shrinking of the overall size limits the cooling space inside the notebook computer.

Therefore, there is a need for a new cooling fan. By changing the structure of the side wall of the fan, the heat is guided to the side wall for auxiliary heat dissipation, so as to increase the cooling area and cooling efficiency of the cooling fan, so as to solve the lack of cooling space inside the thin and light notebook computer. The problem.

Utility model content

The main purpose of the utility model is to provide a heat dissipation fan, so that the side wall of the heat dissipation fan has a heat dissipation effect.

To achieve the above purpose, the utility model provides a cooling fan, which includes a base, a fan assembly, a heat sink, a heat pipe, and at least one heat dissipation pad, wherein the fan assembly includes a U-shaped side wall and a fan body. The U-shaped side wall includes an opening and at least one accommodating groove. One end of the U-shaped side wall is connected to the base, and the main body of the fan is placed in the U-shaped side wall. The at least one accommodating groove is connected with the U-shaped side wall and is close to the opening. The radiator is arranged on the base and close to the opening, and the heat pipe is arranged on the base and close to the opening. The at least one heat dissipation pad is placed in the at least one accommodating groove and contacts the heat pipe and/or the base to assist heat dissipation.

According to an embodiment of the present utility model, wherein the U-shaped side wall further includes a plurality of accommodating grooves for accommodating a plurality of cooling pads, and the U-shaped side wall includes two opposite first side walls, wherein the plurality of accommodating grooves They are respectively arranged on the two first side walls and close to the heat pipe.

According to an embodiment of the present invention, the heat pipe is sandwiched between at least one heat dissipation pad and the bearing surface.

According to an embodiment of the present invention, at least one heat dissipation pad is a plurality of heat dissipation pads, at least one accommodating groove is a plurality of accommodating grooves, and the U-shaped side wall includes two oppositely arranged first side walls, wherein a plurality of accommodating The slots are respectively arranged on the two first side walls and close to the heat pipe, and each cooling pad is accommodated in each receiving slot.

Wherein, the base further includes a bearing surface, wherein the heat pipe and the base are connected to the bearing surface, and the at least one heat dissipation pad contacts and presses the bearing surface.

Wherein, the base further includes a bearing surface, wherein the heat pipe is sandwiched between the at least one cooling pad and the bearing surface.

Wherein, the at least one heat dissipation pad is a plurality of heat dissipation pads, the at least one accommodating groove is a plurality of accommodating grooves, and the U-shaped side wall includes two opposite first side walls, wherein the plurality of accommodating grooves are respectively set On the two first side walls and close to the heat pipe, each of the cooling pads is accommodated in each of the accommodating grooves.

Wherein, the base further includes a bearing surface, wherein the heat pipe and the base are connected to the bearing surface, and one of the plurality of cooling pads contacts and presses the bearing surface.

Wherein, the base further includes a bearing surface, wherein the heat pipe is sandwiched between one of the plurality of cooling pads and the bearing surface.

Wherein, the fan assembly further includes a cover, wherein the cover is connected to the fan main body, and the cover is connected to the other end of the U-shaped side wall.

The heat dissipation fan of the utility model can make the side wall of the heat dissipation fan have a heat dissipation effect. In the heat dissipation fan of the utility model, the heat dissipation pad and the accommodation groove are arranged on the side wall and close to the heat pipe, so that heat can be conducted to the side wall and the base.

In this way, the utility model adds a heat dissipation pad that can contact the heat pipe and/or the base near the heat pipe on the U-shaped side wall to increase the heat dissipation area; in addition, the heat pipe can also be sandwiched between the heat dissipation pad and the bearing surface, In order to increase the heat dissipation efficiency and enhance the heat conduction effect.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

FIG. 1 is an exploded view of an embodiment of the cooling fan of the present invention.

FIG. 2 is a schematic diagram of an embodiment of the cooling fan of the present invention.

Fig. 3 is a partially enlarged view of another embodiment of the cooling fan of the present invention.

FIG. 4 is a schematic diagram of another embodiment of the cooling fan of the present invention.

Among them, reference signs:

1, 1a, 1b cooling fan 10 base

20 fan assembly 21U type side wall

211 opening 212 first side wall

22 Fan main body 213, 213a accommodation slot

23 cover parts 30 cooling parts

40 heat pipes 50, 50a cooling pad

60 Connecting part 11 Bearing surface

Detailed ways

In order to make the above and other objects, features and advantages of the present invention more comprehensible, the specific embodiments of the present invention are enumerated below, together with the accompanying drawings, for a detailed description as follows.

The cooling fan of the utility model can be used in electronic devices with cooling requirements, and the cooling fan of the utility model is arranged in the electronic device close to the heating element. The electronic device may be a computer device, a portable device or other electronic devices with similar heating elements inside, but the present invention is not limited thereto.

Please refer to FIG. 1 and FIG. 2 together for an embodiment of the cooling fan of the present invention, wherein FIG. 1 is an exploded view of an embodiment of the cooling fan of the present invention; FIG. 2 is a cooling fan of the present invention A schematic diagram of an embodiment.

As shown in Figure 1, in this embodiment, the cooling fan 1 of the present utility model includes a base 10, a fan assembly 20, a heat sink 30, a heat pipe 40, a cooling pad 50, and a connecting portion 60, wherein the base 10 includes a bearing On the surface 11, the fan assembly 20 includes a U-shaped side wall 21, a fan body 22, and a cover 23, and the U-shaped side wall 21 includes an opening 211, two opposite first side walls 212, and two accommodating grooves 213 .

The base 10 in this embodiment is made of metal, and one end of the U-shaped side wall 21 is integrally connected with the base 10 to the edge of the bearing surface 11 . As shown in Figure 1, the heat sink 30 and the heat pipe 40 are both arranged on the bearing surface 11 and close to the opening 211, and the heat sink 30 of this embodiment is a heat dissipation fin, while the heat pipe 40 of this embodiment is directly welded to the load surface 11 .

As shown in Figures 1 and 2, the two accommodation grooves 213 of this embodiment are respectively arranged on the two first side walls 212 of the U-shaped side wall 21, and the two accommodation grooves 213 are respectively close to the opening 211 and the heat pipe 40, and the cooling pad 50 is accommodated in the accommodating groove 213 to contact and press the bearing surface 11 . Because the heat pipe 40 of this embodiment is directly welded to the bearing surface 11 and the bearing surface 11 is made of metal material, the heat energy of the heat pipe 40 is dissipated to the bearing surface 11 by virtue of the heat-reflecting property of the metal, and the heat dissipation pad 50 contacts the bearing surface 11 so as to Receive the heat energy from the heat pipe 40 and transmit the heat to the U-shaped side wall 21, so that the heat can also be dissipated through the U-shaped side wall 21, so that the heat dissipation area of the cooling fan 1 of the present invention is increased. It should be noted that the number of accommodating grooves 213 and heat dissipation pads 50 in the foregoing embodiments is multiple, but the utility model is not limited thereto, and the number of accommodating grooves 213 and heat dissipation pads 50 can be changed or can be Odd number.

The cover part 23 is connected to the fan main body 22, and as shown in FIG. 1, the cover part 23 of this embodiment is fastened and connected with the other end of the U-shaped side wall 21, so that the fan assembly 20 and the base 10 form a fan assembly. The accommodating space of the main body 22 (as shown in FIG. 2 ). In addition, when the cooling fan 1 of the present invention is installed on an electronic device, it is combined with the electronic device through the connecting portion 60 .

Please refer to FIG. 3 for another embodiment of the cooling fan of the present invention, wherein FIG. 3 is a partially enlarged view of another embodiment of the cooling fan of the present invention.

As shown in Figure 3, another embodiment of the heat dissipation fan of the present invention is that the heat pipe 40 is sandwiched between the heat dissipation pad 50 and the bearing surface 11, because the vertical direction is the preferred heat dissipation direction of the heat pipe 40, so the heat dissipation pad 50 above the heat pipe 40, so as to guide the heat of the heat pipe 40 to the U-shaped side wall 21 and dissipate it, so as to increase the heat dissipation area and heat dissipation effect of the heat dissipation fan 1a. As shown in Figure 3, in order to cooperate with the movement of the heat pipe 40, the shape of the base 10 and the relative positions of the heat pipe 40 and the heat sink 30 will be slightly changed, and this change is based on the actual structural design and installation of the cooling fan 1. The heat dissipation requirements of the electronic devices of the heat dissipation fan 1 may be different, and the implementation of the heat dissipation fan 1 a shown in FIG. 3 is only for illustration.

Please refer to FIG. 4 for another embodiment of the cooling fan of the present invention, wherein FIG. 4 is a schematic diagram of another embodiment of the cooling fan of the present invention.

As shown in FIG. 4 , the difference between the cooling fan 1b and the previous two embodiments is that the accommodating groove 213 of the cooling fan 1b is exposed on the first side wall 212, and the accommodating groove 213a can also be directly embedded in the first side wall. 212 , in order to keep the cooling pad 50a in a stable contact state with the heat pipe 40 , the shape of the cooling pad 50a needs to match the heat pipe 40 .

Based on the above-mentioned embodiments, the heat dissipation fans 1, 1a, and 1b of the present invention can transfer the heat energy of the heat pipe 40 to the U through the heat dissipation pad 50 by designing the heat dissipation pad 50 and the accommodating groove 213 of the U-shaped side wall 21. The type side wall 21 increases the heat dissipation area of the heat dissipation fan 1, 1a, 1b of the present utility model, and strengthens the heat dissipation effect of the heat dissipation fan 1, 1a, 1b of the present utility model. Therefore, when the heat dissipation fan 1, 1a, 1b of the present invention is used in a thin and light notebook computer, even if the heat dissipation space inside the notebook computer is insufficient, compared with the traditional heat dissipation fan, the heat dissipation fan 1, 1a of the present utility model , 1b still has better heat dissipation performance.

Certainly, the utility model also can have other various embodiments, under the situation of not departing from the spirit and essence of the utility model, those skilled in the art can make various corresponding changes and distortions according to the utility model, but these Corresponding changes and deformations should all belong to the protection scope of the claims of the present invention.

Claims (7)

1. A cooling fan, characterized in that, comprising: a base; A fan assembly, comprising: A U-shaped side wall, one end of the U-shaped side wall is connected to the base, and the U-shaped side wall includes an opening and at least one accommodating groove, wherein the at least one accommodating groove is close to the opening; a fan main body placed in the U-shaped side wall; a heat sink, located on the base and close to the opening; a heat pipe disposed on the base and adjacent to the opening; and At least one heat dissipation pad is placed in the at least one accommodating groove and contacts the heat pipe and/or the base. 2. The cooling fan according to claim 1, wherein the base further comprises a bearing surface, wherein the heat pipe and the base are connected to the bearing surface, and the at least one cooling pad contacts and presses the bearing surface . 3 . The cooling fan according to claim 1 , wherein the base further comprises a bearing surface, wherein the heat pipe is interposed between the at least one cooling pad and the bearing surface. 4 . 4. The heat dissipation fan according to claim 1, wherein the at least one heat dissipation pad is a plurality of heat dissipation pads, the at least one accommodating groove is a plurality of accommodating grooves, and the U-shaped side wall includes two oppositely arranged The first side wall, wherein the plurality of accommodating grooves are respectively arranged on the two first side walls and close to the heat pipe, and each of the cooling pads is accommodated in each of the accommodating grooves. 5. The cooling fan according to claim 4, wherein the base further comprises a bearing surface, wherein the heat pipe and the base are connected to the bearing surface, and one of the plurality of cooling pads contacts and Compress the bearing surface. 6 . The cooling fan according to claim 4 , wherein the base ( 10 ) further comprises a bearing surface, wherein the heat pipe is interposed between one of the plurality of cooling pads and the bearing surface. 7. The cooling fan according to claim 1, wherein the fan assembly further comprises a cover, wherein the cover is connected to the fan main body, and the cover is connected to the other end of the U-shaped side wall connect.

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