Multi-fin wing-shaped cooling fin

Abstract

The utility model discloses a multi-fin wing-shaped radiating fin which comprises a plate body, the outer wall of the plate body is fixedly connected with a plurality of radiating fin units, the radiating fin units are arranged in a wing-shaped mode, a first radiating channel is arranged between every two adjacent radiating fin units, a second radiating channel is arranged between every two adjacent radiating fin units, and the first radiating channel is communicated with the second radiating channel. Four mounting holes distributed in a rectangular shape are formed in the plate body in a penetrating mode, and the cooling fin unit is sequentially provided with an anti-oxidation coating, a radiation heat dissipation layer, a heat conduction layer, an electromagnetic shielding layer, an insulating layer and a buffer layer from outside to inside. According to the utility model, the plurality of radiating fin units are integrated on the plate body, so that the radiating efficiency is improved, and the air flowability is good; and the arranged anti-oxidation coating can protect the cooling fins, so that the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of heat sinks, in particular to a multi-fin wing-shaped heat sink. Background Art

[0002] When electronic components are working, part of the electrical energy is converted into heat energy. In order to dissipate heat, a heat sink is needed.

[0003] With the development of science and technology, radiators also follow the law of lightweight development, and the requirements for heat dissipation are gradually increased. Traditional heat sinks are heavy, take up a lot of space, and are easily damaged by oxidation, which cannot meet the development needs of lightweight electronic devices. To solve the above problems, a multi-fin wing-shaped heat sink is proposed in this application. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a multi-fin airfoil heat sink, which improves the heat dissipation efficiency and improves air flow by setting a plurality of heat sink units integrated on a plate body; and the anti-oxidation coating set can protect the heat sink and extend its service life.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A multi-fin airfoil heat sink comprises a plate body, a plurality of heat sink units are fixedly connected to the outer wall of the plate body, the heat sink units are arranged in an airfoil shape, a first heat dissipation channel is arranged between two adjacent heat sink units, a second heat dissipation channel is arranged between two adjacent heat sink units, four rectangularly distributed mounting holes are opened through the plate body, and the materials of the heat sink units are arranged as an anti-oxidation coating, a radiation heat dissipation layer, a heat conductive layer, an electromagnetic shielding layer, an insulating layer and a buffer layer from the outside to the inside.

[0007] Preferably, the anti-oxidation coating is paint.

[0008] Preferably, the radiation heat dissipation layer is a nano material with high reflectivity and high emissivity.

[0009] Preferably, the heat conducting layer is graphite.

[0010] Preferably, the electromagnetic shielding layer is aluminum foil.

[0011] Preferably, the insulating layer is asbestos.

[0012] Preferably, the buffer layer is a copper sheet.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The heat sink unit is designed in an airfoil shape, which can reduce air resistance and increase airflow, maximizing the heat dissipation surface area and air flow.

[0015] 2. By setting the first heat dissipation channel and the second heat dissipation channel, air flow can be achieved to increase the heat dissipation effect.

[0016] 3. By setting up anti-oxidation coating, radiation heat dissipation layer, thermal conductive layer, electromagnetic shielding layer, insulation layer and buffer layer, it can isolate oxygen and avoid oxidation, thereby extending the service life.

[0017] In summary, by integrating a plurality of heat sink units on the plate body, the heat dissipation efficiency is improved and the air flow is improved; and the anti-oxidation coating can protect the heat sink and extend the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a multi-fin airfoil heat sink proposed by the utility model;

[0019] Figure 2 This is a material cross-sectional view of a multi-fin airfoil heat sink proposed in the utility model.

[0020] In the figure: 1 plate body, 2 heat sink unit, 3 first heat dissipation channel, 4 second heat dissipation channel, 5 mounting hole, 6 anti-oxidation coating, 7 radiation heat dissipation layer, 8 heat conduction layer, 9 electromagnetic shielding layer, 10 insulation layer, 11 buffer layer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-Figure 2 A multi-fin airfoil heat sink comprises a plate body 1, a plurality of heat sink units 2 are fixedly connected to the outer wall of the plate body 1, and the heat sink units 2 are arranged in an airfoil shape, which can reduce air resistance and increase airflow, thereby maximizing the heat dissipation surface area and air flow.

[0023] A first heat dissipation channel 3 is provided between two adjacent heat sink units 2, through which air can flow to increase the heat dissipation effect. A second heat dissipation channel 4 is provided between two adjacent heat sink units 2, through which air can flow to increase the heat dissipation effect. Four rectangularly distributed mounting holes 5 are opened through the plate body 1, and the device can be installed and fixed by means of bolts fitting into the mounting holes 5.

[0024] The materials of the heat sink unit 2 are set to be an anti-oxidation coating 6, a radiation heat dissipation layer 7, a thermal conductive layer 8, an electromagnetic shielding layer 9, an insulating layer 10 and a buffer layer 11 from the outside to the inside. The anti-oxidation coating 6 is a paint, which plays a role in isolating oxygen and avoiding oxidation; the radiation heat dissipation layer 7 is a nano material with high reflectivity and high emissivity, and has good weather resistance, acid and alkali resistance, and dissipates heat by reflection and radiation, and transfers heat to the air to achieve heat dissipation; the thermal conductive layer 8 is graphite, and the thermal conductivity of graphite is used to increase the heat dissipation area and improve the heat dissipation efficiency; the electromagnetic shielding layer 9 is aluminum foil, which can effectively block the propagation of electromagnetic waves; the insulating layer 10 is asbestos to avoid conductivity; the buffer layer 11 is a copper sheet, which plays a role as a base support.

Claims

1. A multi-fin airfoil heat sink, comprising a plate body (1), characterized in that: The outer wall of the plate body (1) is fixedly connected to a plurality of heat sink units (2), the heat sink units (2) are arranged in an airfoil shape, a first heat dissipation channel (3) is arranged between two adjacent heat sink units (2), and a second heat dissipation channel (4) is arranged between two adjacent heat sink units (2), four rectangularly distributed mounting holes (5) are provided through the plate body (1), and the materials of the heat sink units (2) are arranged in order from the outside to the inside: an anti-oxidation coating (6), a radiation heat dissipation layer (7), a heat conducting layer (8), an electromagnetic shielding layer (9), an insulating layer (10) and a buffer layer (11).

2. The multi-fin airfoil heat sink according to claim 1, characterized in that: The anti-oxidation coating (6) is paint.

3. The multi-fin airfoil heat sink according to claim 1, characterized in that: The radiation heat dissipation layer (7) is a nano material with high reflectivity and high emissivity.

4. The multi-fin airfoil heat sink according to claim 1, characterized in that: The heat conducting layer (8) is graphite.

5. The multi-fin airfoil heat sink according to claim 1, characterized in that: The electromagnetic shielding layer (9) is aluminum foil.

6. The multi-fin airfoil heat sink according to claim 1, characterized in that: The insulating layer (10) is asbestos.

7. The multi-fin airfoil heat sink according to claim 1, characterized in that: The buffer layer (11) is a copper sheet.

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