CN216719053U

CN216719053U - Heat radiation fan

Info

Publication number: CN216719053U
Application number: CN202220182989.2U
Authority: CN
Inventors: 王辉; 朱启升
Original assignee: Suzhou Qiaokeweier Electronic Technology Co ltd
Current assignee: Suzhou Qiaokeweier Electronic Technology Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-10
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a cooling fan, which is applied to the field of radiators, and the technical scheme is as follows: the utility model provides a cooling fan, includes the upper casing, goes up the both ends of casing and runs through the setting, and the surface of going up the casing is provided with supplementary radiator unit, and the one end turn-on connection of going up the casing has the air inlet pipeline, and the air inlet pipeline is including the built on stilts main wind channel that sets up at upper casing surface, and the lower surface laminating in main wind channel sets up the surface of casing in supplementary radiator unit keeps away from, and the technological effect who has is: the air inlet pipeline used for limiting the flow direction of the cold air is added, so that the sucked cold air can be fully utilized; the added auxiliary heat dissipation assembly can cool the upper shell absorbing heat, so that the fan main body is prevented from being at high temperature for a long time, and the service life of the fan main body can be prolonged.

Description

Heat radiation fan

Technical Field

The utility model relates to the field of radiators, in particular to a radiating fan.

Background

Radiator fan is one kind through blowing cold wind through the radiator in order to realize the structure of cooling to it, it is used in notebook computer to carry out the radiator fan that cools down to the treater most common in the life just, this kind of fan hot-blast fan is through from one end air inlet, and blow off cold wind from rather than air inlet direction vertically air outlet, this kind of wind-guiding structure can lead to cold house to meet to block the back and can spill over from the air intake, cold wind's utilization efficiency is lower, and simultaneously, because radiator fan is connected with radiator direct contact, can continuously absorb the heat of radiator, the fan can reduce its life by a wide margin in work under long-time high temperature state, the replacement cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heat radiation fan, which has the advantages that the whole fan can be radiated while air is efficiently supplied, and the service life is prolonged.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a cooling fan, includes the upper housing, the both ends of upper housing run through the setting, the surface of upper housing is provided with supplementary radiator unit, the one end turn-on connection of upper housing has the air inlet pipeline, the air inlet pipeline is in including built on stilts setting the main wind channel on upper housing surface, the lower surface laminating in main wind channel sets up supplementary radiator unit keeps away from the surface of upper housing.

Through above-mentioned technical scheme, the intake stack is used for restricting the route of air inlet, when its tip carries out the induced draft, can effectively avoid the amount of wind to meet and hinder the back blowback, can be to air inlet make full use of, simultaneously, supplementary radiator unit can be with the heat conduction to the intake stack of last casing, when the mounted position of supplementary radiator unit is flowed through to the air inlet, can cool down supplementary radiator unit to lower the temperature to last casing.

The utility model is further configured to: the auxiliary heat dissipation assembly comprises a heat dissipation frame and a bottom plate, and a heat conduction plate is arranged on the bottom plate.

Through above-mentioned technical scheme, the heat-conducting plate is used for strengthening the speed that the heat was derived from last casing, is favorable to the heat dissipation.

The utility model is further configured to: the heat dissipation frame is connected with the bottom plate in a sliding mode, and a clamping ring convenient to pull out is arranged at the sliding-out end of the bottom plate.

Through above-mentioned technical scheme, can take out the bottom plate through the snap ring to regularly change the heat-conducting plate.

The utility model is further configured to: and an air inlet for air inlet is formed in the upper surface of the main air duct.

Through above-mentioned technical scheme, the opening plane of air intake and the surperficial parallel arrangement of last casing can avoid not having sufficient space of breathing in because of last casing side seals the installation and causes, can carry out make full use of to the gas in the space of mounted position, guarantees the efficiency of admitting air.

The utility model is further configured to: and an air guide groove is arranged in the upper shell, and two ends of the air guide groove are communicated with two ends of the upper shell.

Through the technical scheme, the air guide groove is used for guiding the flowing direction of the air, and the air intake efficiency and the air exhaust efficiency can be improved.

The utility model is further configured to: the lower shell is arranged on one side, far away from the main air duct, of the upper shell.

Through above-mentioned technical scheme, the lower casing is used for sealing the downside of wind-guiding groove, is favorable to the directional circulation of cold wind.

The utility model is further configured to: the fan main body is rotatably arranged between the upper shell and the lower shell, and the air suction side and the air exhaust side of the fan main body respectively face to two ends of the air guide groove.

Through the technical scheme, the fan main body can suck cold air along the air guide groove through the air guide groove when rotating, and then the cold air is discharged through the air exhaust side along the other end of the air guide groove.

The utility model is further configured to: and one end of the upper shell, which is far away from the air inlet pipeline, is provided with a mounting opening for mounting a radiator.

Through above-mentioned technical scheme, can have the heat conduction after installing mouth and the radiator installation, can carry out partial heat dissipation after heat transfer to last casing.

In conclusion, the utility model has the following beneficial effects:

1. the air inlet pipeline used for limiting the flow direction of the cold air is added, so that the sucked cold air can be fully utilized;

2. the added auxiliary heat dissipation assembly can cool the upper shell absorbing heat, so that the fan main body is prevented from being at high temperature for a long time, and the service life of the fan main body can be prolonged.

Drawings

FIG. 1 is a schematic view of a heat dissipation fan according to the present embodiment;

FIG. 2 is a schematic view of an auxiliary heat sink assembly according to the present embodiment;

FIG. 3 is a schematic view of the air guiding groove and the fan body according to the present embodiment.

Reference numerals: 1. an upper housing; 2. an auxiliary heat dissipation assembly; 3. an air inlet pipeline; 4. a main air duct; 5. a heat dissipation frame; 6. a base plate; 7. a heat conducting plate; 8. a snap ring; 9. an air inlet; 10. a wind guide groove; 11. a lower housing; 12. a fan main body; 13. and (7) installing a port.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 3, a heat dissipation fan, which is an application installed in a notebook computer in this embodiment, includes an upper casing 1, two ends of the upper casing 1 are disposed in a penetrating manner, and form an air guiding groove 10 for guiding a flow direction of cold air, a fan main body 12 is rotatably disposed in a middle portion of the air guiding groove 10 through a rotating shaft, and two ends of the air guiding groove 10 are disposed in a reverse inclined manner, so that when the fan main body 12 rotates to suck air, an air flow can smoothly flow into and flow out of the air guiding groove 10.

Referring to fig. 1, 2 and 3, an air inlet pipeline 3 is connected to one end of the upper housing 1, which is located at an air guide groove 10 and used for sucking air, in a conducting manner, the air inlet pipeline 3 is bent to form a main air duct 4, an air inlet 9 is arranged on the upper surface of the main air duct 4, in actual use, the air inlet 9 faces one side of an air vent of an external mechanism, so that the air inlet 9 can suck air, the main air duct 4 is arranged above the upper housing 1 in an overhead parallel manner, the width of the main air duct 4 is the same as that of the upper housing 1, and an auxiliary heat dissipation assembly 2 is attached to the surface, which is close to the upper surface of the upper housing 1, of the main air duct 4.

Referring to fig. 1 and 2, the auxiliary heat dissipation assembly 2 includes a heat dissipation frame 5 and a bottom plate 6, the heat dissipation frame 5 is an inverted groove structure, and is fastened and fixed on the surface of the upper casing 1, the end portions of the side walls on both sides of the heat dissipation frame 5 are provided with notches, both sides of the bottom plate 6 are respectively provided with a protruding flange, the bottom plate 6 is slidably connected with the heat dissipation frame 5 through the flanges and the notches, wherein a heat conduction plate 7 is arranged on the bottom plate 6, in this embodiment, the heat conduction plate 7 is heat dissipation silicone grease, the heat conduction plate 7 is replaced for convenience, and a snap ring 8 which is convenient to pull out the heat conduction plate is arranged at the sliding end of the bottom plate 6.

Referring to fig. 1, a lower casing 11 is disposed on a lower surface of the upper casing 1, and the lower casing 11 bottom-seals one side of the air guiding groove 10 to facilitate air flowing along the air guiding groove 10.

Referring to fig. 2, the connection end of the upper case 1, which is away from the intake duct 3, is provided with a mounting port 13 for mounting a radiator.

The working process and principle of the embodiment are as follows:

in the use of notebook computer, the air inlet of computer generally sets up the plane position at the computer drain pan, and the air inlet space is big, can effectively prevent through the air-supply line that sets up that the air inlet is obstructed when admitting air, prevents effectively that the air from leaking, and the utilization of air is more abundant, simultaneously, can dispel the heat to radiator fan wholly through supplementary radiator unit, can effectively prevent that the fan main part from operating for a long time at high temperature for a short time, can effectively prolong its life.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The heat dissipation fan is characterized by comprising an upper shell (1), wherein two ends of the upper shell (1) are arranged in a penetrating manner, and an auxiliary heat dissipation assembly (2) is arranged on the surface of the upper shell (1);

go up the one end turn-on connection of casing (1) and have air inlet pipeline (3), air inlet pipeline (3) are in including built on stilts setting go up main wind channel (4) on casing (1) surface, the lower surface laminating setting of main wind channel (4) is in auxiliary cooling assembly (2) are kept away from go up the surface of casing (1).

2. The heat-dissipating fan as claimed in claim 1, wherein the auxiliary heat-dissipating component (2) comprises a heat-dissipating frame (5) and a base plate (6), and a heat-conducting plate (7) is provided on the base plate (6).

3. The heat dissipating fan as claimed in claim 2, wherein the heat dissipating frame (5) is slidably connected to the base plate (6), and the base plate (6) is provided with a snap ring (8) at the sliding end for facilitating the pulling out of the base plate.

4. A radiator fan according to claim 3, wherein the upper surface of the main air duct (4) is provided with air inlets (9) for air intake.

5. The heat dissipation fan according to claim 1, wherein an air guiding groove (10) is disposed inside the upper casing (1), and two ends of the air guiding groove (10) are communicated with two ends of the upper casing (1).

6. The heat dissipation fan as claimed in claim 5, further comprising a lower housing (11), wherein the lower housing (11) is mounted on a side of the upper housing (1) away from the main air duct (4).

7. The heat dissipation fan as claimed in claim 6, wherein a fan body (12) is rotatably disposed between the upper casing (1) and the lower casing (11), and a suction side and a discharge side of the fan body (12) face to both ends of the air guide groove (10), respectively.

8. A radiator fan according to claim 1, wherein the end of the upper casing (1) remote from the air inlet duct (3) is provided with a mounting opening (13) for mounting a radiator.