CN217060914U

CN217060914U - Heat radiation fan

Info

Publication number: CN217060914U
Application number: CN202220725809.0U
Authority: CN
Inventors: 陈伟成
Original assignee: Jiangmen Jianghai Xiangrui Hardware Rubber And Plastic Products Co ltd
Current assignee: Jiangmen Jianghai Xiangrui Hardware Rubber And Plastic Products Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-26
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a cooling fan. The fan comprises a fan, wherein air guide blocks are symmetrically arranged at the left and right of the bottom of the fan, an air flow channel is formed between the two air guide blocks, and a sticking part or a magnetic part is arranged on the bottom surface of each air guide block. The utility model has the advantages of radiator fan's installation has been simplified, radiator fan's air current direction and promotion radiating efficiency are changed.

Description

Heat radiation fan

Technical Field

The utility model relates to an electronic product heat dissipation technology especially relates to a radiator fan.

Background

When electronic products such as a mobile phone or a tablet personal computer are used, the cpu part is easy to scald, the existing cooling fan is large in size and inconvenient to install, and when a user holds the tablet personal computer, the cooling fan can easily block hands.

Disclosure of Invention

The utility model aims at overcoming current radiator fan and can not changing the lower problem of wind direction and radiating efficiency, providing a radiator fan, have the installation of being convenient for, do not influence the user operation and promoted radiating efficiency's advantage.

In order to solve the problem, the utility model discloses a following technical scheme realizes:

the utility model discloses a cooling fan, which comprises a fan, the bottom bilateral symmetry of fan is provided with the air guide piece, be formed with airflow channel between two air guide pieces, be equipped with adhesion portion or magnetism on the bottom surface of air guide piece and inhale the portion.

In this scheme, radiator fan passes through the CPU position of pasting portion or magnetism portion of inhaling the installation at the backplate of panel computer, opens the fan after, and the fan blows the air current that its produced to the CPU position of panel computer, and then the air current blows out from airflow channel's both ends. During actual use, the direction of the airflow channel is changed by changing the installation direction of the air guide block, so that the purpose of changing the wind direction is achieved. In winter, the temperature of the hands of the user is low, the outlet of the airflow channel is kept away from the hands, and airflow is prevented from blowing to the hands; the temperature is higher in summer, and the user hand sweats easily, aligns the hand with airflow channel's export, and the air current blows to the hand, ensures the dry and comfortable of user's hand.

Preferably, air guide notches for guiding the wind direction are formed in the opposite inner side walls of the two guide blocks. Through setting up the wind-guiding breach, realize that the air current flows along the inside wall of wind-guiding breach, reach the air current and revolve round at the wind-guiding breach, in addition, the air current that the wind-guiding breach blew out collides with the air current of air current channel exit, realizes the purpose that promotes the radiating efficiency of fan.

Preferably, the air guide notch is an arc notch. And the arc-shaped notch is adopted, so that the wind resistance of the air flow in the wind guide notch is reduced conveniently.

Preferably, the arc-shaped notch is arranged along the outer edge of the air outlet of the fan. The air flow blown out by the fan can enter the air guide notch conveniently.

Preferably, the inner side surface of the air guide notch comprises a first arc-shaped surface and second arc-shaped surfaces symmetrically arranged on two sides of the first arc-shaped surface. During actual work, air flow blown out by the fan firstly blows towards the first arc-shaped surface, then respectively flows towards the two second arc-shaped surfaces from the first arc-shaped surface, and finally flows out of the air guide notch.

Preferably, the first arcuate surface is arcuate in an outer direction of the wind guide block, and the second arcuate surface is arcuate in an inner direction of the wind guide block. The first arc-shaped surface is arched towards the outer side direction of the air guide block, so that air flow can conveniently flow to the second arc-shaped surface, the air flow loss of the air flow flowing from the first arc-shaped surface to the second arc-shaped surface is reduced, in the actual working process, after the fan is started, a part of air flow is directly blown to the cpu position of the back plate of the tablet computer, and after the part of air flow collides with the back plate, the air flow is discharged from the two ends of the air flow channel and flows back into the air guide notch along the lower edge of the air guide notch, and the air flow flowing back into the air guide notch collides with the air flow blown out by the fan; and in addition, a part of air flow is blown into the air guide notch along the upper edge of the arc-shaped notch, the part of air flow collides with the back plate along the first arc-shaped surface and is discharged from the outlet of the air flow channel along the second arc-shaped surface, and the air flow blown out by the fan collides and reflows in the arc-shaped notch, so that the heat dissipation efficiency of the fan to the cpu is further improved.

Preferably, the two second arc-shaped surfaces are respectively connected with the front side surface and the rear side surface of the air guide block, the second arc-shaped surface positioned on the front side is connected with the front side surface of the air guide block through an arc transition surface, and the second arc-shaped surface positioned on the rear side is connected with the rear side surface of the air guide block through an arc transition surface.

Preferably, the bottom of the air guiding gap is provided with an air guiding plate for closing the bottom of the air guiding gap, and the air guiding plate is arranged in a downward inclined manner from the inner side to the outer side of the air guiding gap.

Preferably, the air deflector is an arc-shaped plate which is arched upwards. The arc-shaped plate is provided with an arc-shaped surface, so that the aim of further reducing the wind resistance is fulfilled.

Preferably, the adhesive part comprises a water-washing adhesive tape. The washing glue paste has the advantages of repeated pasting without glue remaining and water washing, the service life of the bonding part is prolonged, and meanwhile, the bonding installation mode is adopted, so that the installation process is simple, convenient and quick.

The utility model has the advantages that: the installation of the cooling fan is simplified, the airflow direction of the cooling fan is changed, and the cooling efficiency is improved.

Drawings

FIG. 1 is a schematic view of a heat dissipation fan;

FIG. 2 is a schematic view of a cooling fan at another angle;

FIG. 3 is a schematic view of two air guide blocks;

FIG. 4 is a schematic view of a wind deflector block;

FIG. 5 is a schematic view of the outlet of the airflow channel;

fig. 6 is a schematic view of the wind direction inside the wind guide notch.

The various reference numbers in the figures are:

1. a fan; 2. a wind guide block; 3. an air flow channel; 4. a sticking part; 5. a wind guide notch; 6. a first arc-shaped surface; 7. a second arcuate surface; 8. an arc-shaped transition surface; 9. an air deflector; 10. washing the adhesive tape with water.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the cooling fan of this embodiment, as shown in fig. 1 and 2, includes a fan 1, and the bottom bilateral symmetry of fan 1 is provided with air guide blocks 2, is formed with airflow channel 3 between two air guide blocks 2, is equipped with adhesion portion 4 or magnetism portion of inhaling on the bottom surface of air guide block 2.

In the scheme, the heat radiation fan is installed at the cpu position of the back plate of the tablet computer through the pasting part or the magnetic suction part, after the fan is started, the fan blows air flow generated by the fan to the cpu position of the back plate of the tablet computer, and then the air flow is blown out from two ends of the air flow channel. During actual use, the direction of the airflow channel is realized by changing the installation direction of the air guide block, and the purpose of changing the wind direction is achieved. In winter, the temperature of the hands of the user is low, the outlet of the airflow channel is kept away from the hands, and airflow is prevented from blowing to the hands; the temperature is higher in summer day, and user's hand sweats easily, aligns the hand with airflow channel's export, and the air current blows to the hand, ensures the dry and comfortable of user's hand. It will be understood that the outlet of the air flow channel is not limited to the above two directions, and the heat dissipation fan can be installed at any angle according to the actual situation when in use.

As shown in fig. 3 and 4, air guiding gaps 5 for guiding the wind direction are respectively disposed on the opposite inner side walls of the two guide blocks 2, the air guiding gaps 5 are arc-shaped gaps, and the arc-shaped gaps are disposed along the outer edge of the fan outlet. In this embodiment, the air guiding notch is an arc-shaped notch, and the arc-shaped notch is disposed along an outer edge of the air outlet of the fan. In actual work, the fan blows in the air guide breach with the air current, the air current flows along the surface of air guide breach, reach the purpose that changes the air current direction, the arc breach is favorable to reducing the windage, the air guide breach has also increased the dwell time of air current in airflow channel, the air current of being convenient for carries more heats, in addition because the air current flows along the arc breach, part air current can bump in airflow channel's edge, good condition is provided for the heat mass transfer, thereby the radiating efficiency of fan to cpu department has been promoted.

As shown in fig. 3 to 6, the inner side surface of the air guiding notch 5 includes a first arc-shaped surface 6 and second arc-shaped surfaces 7 symmetrically disposed on both sides of the first arc-shaped surface 6, the first arc-shaped surface 6 is arched in the outer direction of the air guiding block 2, and the second arc-shaped surface 7 is arched in the inner direction. Two second arcwall faces 7 link to each other with wind-guiding block 2 leading flank, trailing flank respectively, and the second arcwall face 7 that is located the front side is connected through arc transition face 8 with wind-guiding block 2 leading flank, and the second arcwall face 7 that is located the rear side is connected through arc transition face 8 with wind-guiding block 2 trailing flank. When the air guide device works actually, after the fan is started, a part of air flow is directly blown to the position of a CPU (Central processing Unit) at the back plate of the tablet computer, and after the part of air flow collides with the back plate, the air flow is discharged from two ends of the air flow channel and flows back into the air guide notch along the lower edge of the air guide notch, and the air flow flowing back into the air guide notch collides with the air flow blown by the fan; and in addition, a part of air flow is blown into the air guide notch along the upper edge of the arc notch, the part of air flow collides with the back plate along the first arc surface and is discharged from the outlet of the air flow channel along the second arc surface, and the air flow blown out by the fan collides and reflows in the arc notch, so that the heat dissipation efficiency of the fan on the cpu is further improved. In addition, the inner side surface of the air guide notch is an arc-shaped surface, and the second arc-shaped surface is connected with the front side surface and the rear side surface of the air guide block through arc-shaped transition surfaces, so that the wind resistance is favorably reduced, the air flow loss is reduced, and the purpose of saving the energy consumption of the fan is achieved.

As shown in fig. 4, an air guide plate 9 for closing the air guide notch 5 is provided at the edge of the lower portion of the air guide notch 5, and the air guide plate 9 is inclined downward from the inside to the outside of the air guide notch 5. Through setting up aviation baffle 9, guarantee that the air current smoothly flows between wind-guiding breach and air current channel. In this embodiment, the air guide plate is an arc-shaped plate which is arched upwards, and the arc-shaped surface of the arc-shaped plate further reduces the wind resistance.

As shown in fig. 6, the adhesive portion includes a water-washing adhesive tape 10, and the water-washing adhesive tape 10 is adhered to the bottom surface of the air guide block 2. The washing glue sticker has the advantages of repeated sticking without glue retention and washing, prolongs the service life of the bonding part, and simultaneously adopts a bonding installation mode, so that the installation process is simple, convenient and quick.

The magnetic part comprises a magnet sheet. In this embodiment, an iron plate is attached to the back surface of the tablet computer, a magnet plate is mounted at the bottom of the air guide block, the heat dissipation fan is connected to the back plate of the tablet computer through the magnet plate, and the direction of the air flow channel is changed by changing the mounting angle of the magnet plate.

The above is only the preferred embodiment of the present invention, and not the patent protection scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings of the present invention can be directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a cooling fan, includes fan (1), its characterized in that, the bottom bilateral symmetry of fan (1) is provided with air guide block (2), be formed with air current passageway (3) between two air guide block (2), the bottom surface of air guide block (2) is equipped with pasting portion (4) or magnetism portion of inhaling.

2. The heat dissipation fan as claimed in claim 1, wherein the two air guide blocks (2) are provided with air guide notches (5) on opposite inner side walls for guiding the air direction.

3. The heat dissipation fan as claimed in claim 2, wherein the air guiding notch (5) is an arc-shaped notch.

4. A heat-dissipating fan according to claim 3, wherein the air-guiding notch (5) is provided along an outer edge of the outlet of the fan (1).

5. The heat dissipation fan as claimed in claim 2, 3 or 4, wherein the inner side of the air guiding gap (5) comprises a first arc-shaped surface (6) and a second arc-shaped surface (7) symmetrically arranged at two sides of the first arc-shaped surface (6).

6. A radiator fan according to claim 5, characterised in that the first curved face (6) is curved in the direction of the outside of the guide block (2) and the second curved face (7) is curved in the direction of the inside of the guide block (2).

7. The heat dissipation fan as claimed in claim 5, wherein the two second arc-shaped surfaces (7) are respectively connected to the front side and the rear side of the air guide block (2), the second arc-shaped surface (7) on the front side is connected to the front side of the air guide block (2) through an arc-shaped transition surface (8), and the second arc-shaped surface (7) on the rear side is connected to the rear side of the air guide block (2) through an arc-shaped transition surface (8).

8. The heat dissipation fan as claimed in claim 2, 3 or 4, wherein the bottom of the air guiding gap (5) is provided with an air guiding plate (9) for closing the bottom of the air guiding gap (5), and the air guiding plate (9) is arranged to be inclined downwards from the inner side to the outer side of the air guiding gap (5).

9. The heat dissipating fan as claimed in claim 8, wherein the air guiding plate (9) is an upwardly arched plate.

10. A radiator fan according to claim 1 or 2 or 3 or 4, wherein the adhesive portion (4) comprises a wash paste (10).