CN217591445U

CN217591445U - Flower-shaped radiating fin and radiating body

Info

Publication number: CN217591445U
Application number: CN202221410274.4U
Authority: CN
Inventors: 史玉成
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-14
Anticipated expiration: 2032-06-08

Abstract

The utility model relates to a flower type fin and radiator, flower type fin include the base plate and encircle the multi-disc radiator fin of base plate, the base plate is connecting along connecting radiator fin, multi-disc radiator fin to the same one side of base plate is buckled. The flower-shaped heat radiation body comprises a plurality of flower-shaped heat radiation fins, substrates of the plurality of flower-shaped heat radiation fins are mutually overlapped, and heat radiation blades of the plurality of flower-shaped heat radiation fins are mutually nested. The utility model has the advantages that: the radiator is characterized in that a flower-shaped radiating fin structure is adopted, radiating blades are arranged around a base plate, the radiating blades are bent and twisted relative to the base plate, a larger radiating blade distribution gap can be obtained, the heat exchange efficiency with air flow is improved, the radiator can be manufactured by bending plates, and the radiator has a better metal structure and heat conduction performance than a radiator with a section structure and can be manufactured by matching simple tools and hands; the radiator can be combined by adopting a plurality of flower-shaped radiating fins, is convenient to combine and can be flexibly configured according to application requirements.

Description

Flower-shaped radiating fin and radiating body

Technical Field

The utility model belongs to the technical field of the radiator, especially, relate to a flower type fin and radiator.

Background

In the industrial technical field, a plurality of heating components need a radiator to dissipate heat and cool so as to keep the heating components at a normal working temperature. The current radiator adopts the metal material that thermal conductivity is good more, makes the integrative fixed knot who has the fin to construct, and as for the radiator of a certain volume, its fin is more then heat radiating area is big more, and the fin is more its arrangement density also big more simultaneously, can influence the circulation of air current, has restricted the promotion of radiating effect. In addition, the radiator of the integrated mechanism needs to be processed and manufactured by adopting special equipment and process, is inconvenient to combine and use and is flexibly configured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a technical scheme of flower type fin and radiator improves the heat exchange efficiency of radiator and air to realize the combined configuration function.

In order to realize the purpose, the technical scheme of the utility model is that: a flower-shaped radiating fin comprises a base plate and a plurality of radiating blades surrounding the base plate, wherein the base plate is connected with the radiating blades along a connecting edge, and the radiating blades are bent towards the same side of the base plate.

Furthermore, in order to obtain better heat-conducting property and metal structure, the base plate and the radiating blades are made of a radiating plate, the radiating plate is provided with a plurality of cutting seams of a radial structure, and the cutting seams surround the radiating plate and divide a plurality of radiating blades.

Furthermore, the thickness of the radiating blade is gradually reduced from the connecting edge to the outer edge, the thickness of the substrate is 1.8-2.0 mm, and the thickness of the outer edge of the radiating blade is 0.2-0.3 mm.

Furthermore, the thickness of the base plate is the same as that of the radiating blades, and the thickness of the base plate and the thickness of the radiating blades are 0.3-8.0 mm.

Furthermore, in order to obtain reasonable radiating fin gaps, the outer edges of the radiating fins are twisted relative to the connecting edges, and the blade twisting angle between the outer edges of the radiating fins and the connecting edges is 30-75 degrees.

Furthermore, a preferred bending structure of the heat dissipation blade is that the heat dissipation blade is bent towards one side of the substrate along the connecting edge, and the bending angle of the heat dissipation blade is 45-75 °.

Furthermore, in order to improve the heat dissipation efficiency of the heat dissipation blades, the heat dissipation blades are bent towards one side of the substrate along a bending edge, a bending inclination angle is arranged between the bending edge and the connecting edge, and the bending inclination angle is 20-30 degrees.

The flower-shaped heat radiation body comprises a plurality of flower-shaped heat radiation fins, wherein the substrates of the plurality of flower-shaped heat radiation fins are mutually overlapped, and the heat radiation blades of the plurality of flower-shaped heat radiation fins are mutually nested.

Furthermore, the plurality of flower-shaped radiating fins are provided with different substrate sizes, the substrate size of the flower-shaped radiating fin with the radiating blades nested on the outer side is larger than that of the flower-shaped radiating fin with the radiating blades nested on the inner side, and the blade bending angle of the flower-shaped radiating fin with the radiating blades nested on the outer side is smaller than that of the flower-shaped radiating fin with the radiating blades nested on the inner side.

Further, in order to obtain better overall heat dissipation efficiency, the base plates of the plurality of flower-shaped fins are soldered to each other.

The utility model has the advantages that: the radiator is characterized in that a flower-shaped radiating fin structure is adopted, radiating blades are arranged around a base plate, the radiating blades are bent and twisted relative to the base plate, a larger radiating blade distribution gap can be obtained, the heat exchange efficiency with air flow is improved, the radiator can be manufactured by bending plates, and the radiator has a better metal structure and heat conduction performance than a radiator with a section structure and can be manufactured by matching simple tools and hands; a plurality of flower-shaped radiating fins can be combined into the radiating body, so that the radiating body is convenient to combine and can be flexibly configured according to application requirements.

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

Drawings

FIG. 1 is a structural diagram of the flower-shaped heat sink of the present invention, wherein the thickness of the heat sink fins is gradually reduced;

FIG. 2 is a plan view of FIG. 1, which is a plan view of a flower-shaped fin;

fig. 3 is a schematic view of the bending structure of the heat dissipation blade of the present invention;

fig. 4 is a structural diagram of the heat dissipating plate according to the present invention, wherein a cutting seam is cut on the heat dissipating plate to form a plurality of segments;

FIG. 5 is a view showing the twisted structure of the outer edge of the heat dissipating fin of the present invention;

FIG. 6 is a side view of the structure of FIG. 5;

FIG. 7 is an exploded view of the multi-pattern fins of the present invention;

FIG. 8 is a view showing the structure of the flower-shaped radiator of the present invention;

FIG. 9 is a top view of the flower-shaped heat sink assembly of the present invention;

FIG. 10 is a view showing the structure of the flower-shaped radiator of the present invention;

FIG. 11 is a partial cross-sectional view of a flower-type heat sink application;

FIG. 12 is a structural view of the flower-shaped heat sink of the present invention with a bending inclination angle;

FIG. 13 is a top view of the structure of FIG. 12;

fig. 14 is a structural view of the heat dissipating plate according to the present invention, wherein the thickness of the base plate is the same as that of the heat dissipating fins;

fig. 15 is a structural view of the flower-shaped heat sink base plate of the present invention with the same thickness as the heat dissipating fins.

Detailed Description

As shown in fig. 1 to 15, a flower-shaped heat sink includes a base plate 10 and a plurality of heat dissipation blades 20 surrounding the base plate, wherein the base plate is connected to the heat dissipation blades at a connection edge 11, and the heat dissipation blades are bent toward the same side of the base plate.

As shown in fig. 4 or 14, the base plate and the heat dissipating blades are made of a heat dissipating plate 30, the heat dissipating plate is provided with a plurality of slits 31 having a radial structure, and the slits 31 surround the heat dissipating plate to divide the heat dissipating blades.

As shown in fig. 1 to 6, a thickness structure of a plate is that the thickness of the heat dissipation blade gradually becomes thinner from the connecting edge to the outer edge, the thickness S1 of the substrate is 1.8mm to 2.0mm, and the thickness S2 of the outer edge of the heat dissipation blade is 0.2mm to 0.3mm.

As shown in fig. 14 to 15, another plate thickness structure is that the thickness of the substrate is the same as that of the heat dissipating fins, and the thickness S3 of the substrate and the heat dissipating fins is 0.3mm to 8.0mm.

The outer edge 21 of the radiating fin is twisted relative to the connecting edge 11, and the fin twisting angle theta between the outer edge of the radiating fin and the connecting edge is 30-75 degrees.

As shown in fig. 1 to 3, in the bending structure of the heat dissipating fin, the heat dissipating fin 20 is bent toward one side of the substrate along the connecting edge 11, and a fin bending angle α of the heat dissipating fin is 45 ° to 75 °.

As shown in fig. 12 and 13, another bending structure of the heat dissipating blade is that the heat dissipating blade 20 is bent toward one side of the substrate along a bending edge 12, a bending inclination angle is provided between the bending edge 12 and the connecting edge 11, and the bending inclination angle β is 20 ° to 30 °.

As shown in FIGS. 7 to 9, a flower-type radiator comprises a plurality of the above-mentioned flower-type fins (40, 50, 60), the substrates (41, 51, 61) of the plurality of flower-type fins are overlapped with each other, and the radiating fins 20 of the plurality of flower-type fins are nested with each other.

The plurality of flower-shaped radiating fins are provided with different substrate sizes and different blade bending angles, the substrate size of the flower-shaped radiating fin with the radiating blades nested on the outer side is larger than that of the flower-shaped radiating fin with the radiating blades nested on the inner side, and the blade bending angle of the flower-shaped radiating fin with the radiating blades nested on the outer side is smaller than that of the flower-shaped radiating fin with the radiating blades nested on the inner side.

And the substrates of the multiple flower-shaped radiating fins are connected with each other in a brazing mode.

The first embodiment is as follows:

referring to fig. 1 to 6, a flower-shaped heat sink includes a base plate 10, and thirty heat dissipation fins 20 are disposed around the base plate.

As shown in fig. 4, the base plate 10 and the heat dissipating blades 20 are made of a circular heat dissipating plate 30, which is provided with thirty radial slits 31, and the slits 31 divide the heat dissipating plate into a plurality of heat dissipating blades 20. The connecting line of the root parts of any two adjacent slits forms a connecting edge 11, the base plate is connected with the radiating blades 20 at the connecting edge 11, and a plurality of connecting edges 11 surround to form the base plate 10.

In the embodiment, the base plate and the radiating blades with different thicknesses are adopted, the thickness of the root (connecting edge 11) of each radiating blade is the same as that of the base plate, the thickness of each radiating blade is gradually reduced from the connecting edge 11 to the outer edge 21, the thickness of the base plate is S1=2.0mm, and the thickness of the outer edge of each radiating blade is S2=0.2mm. Because the substrate is connected with the heating source in application, the substrate with larger thickness is beneficial to heat conduction and heat diffusion, and the gradually thinned radiating blade is beneficial to heat dissipation.

As shown in fig. 5 and 6, after a plurality of cooling fins are cut from the cooling plate, the outer edge 21 of each cooling fin is twisted with respect to the connecting edge 11, so that a fin twisting angle θ is formed between the outer edge of each cooling fin and the plate surface of the substrate (that is, a fin twisting angle θ is formed between the outer edge of each cooling fin and the connecting edge), and the cooling fins form a structure similar to a paddle shape. The blade torsion angle theta can enable the flower-shaped radiating fin to have reasonable radiating blade gaps, and is beneficial to forming a radiating body with multiple flower-shaped radiating fins later. The blade twist angle θ can be selected to be an appropriate angle not greater than 90 °, and according to engineering practice, the blade twist angle θ is preferably selected from a range of 30 ° to 75 °, and in this embodiment, the blade twist angle θ =60 °.

After the radiating blades are twisted, the plurality of radiating blades are bent towards the same side of the substrate. In this embodiment, the heat dissipation fins 20 are bent toward one side of the substrate along the connecting edge 11. The radiating blades can be bent to an angle larger than 90 degrees, the interaction between the radiating blades and the air flow is considered, and according to engineering practice, the blade bending angle alpha of the radiating blades is in a preferred selection range of 45-75 degrees.

This embodiment adopts the fin structure of flower type, encircles the base plate and sets up radiator fin, and the relative base plate of radiator fin is buckled and is twistd reverse the setting, can obtain great radiator fin distribution clearance, improves the heat exchange efficiency with the air current, adopts monoblock radiator plate bending process to make, has better heat conductivility and metal structure to save the material.

In the present embodiment, the heat dissipation plate is made of a circular heat dissipation plate, and the outline of the base plate of the flower-shaped heat dissipation plate is circular, but in practical application, other shapes of the base plate, such as a rectangular or oval shape, may be adopted according to the needs or manufacturing conditions.

Example two:

referring to fig. 12 and 13, this embodiment is a structural improvement of the first embodiment.

This implementation has improved radiator vane's structure of buckling, and radiator vane 20 is buckled to one side of base plate along buckling along 12, buckles along being equipped with the inclination of buckling between 12 and the connection edge 11, and according to experiment and analysis, it is comparatively suitable that the inclination of buckling beta is 20 ~ 30. The bending inclination angle β =30 ° employed in the present embodiment.

The bending structure of the heat dissipation blade of the embodiment increases the distance between the heat dissipation blades at the root 14, which is beneficial to the circulation of air flow and can improve the heat dissipation efficiency of the heat dissipation blades.

Example three:

referring to fig. 14 and 15, a flower-shaped heat sink is a structural alternative of the first embodiment or the second embodiment.

The flower-shaped heat sink of the first embodiment or the second embodiment is generally manufactured by a mechanical forming process (e.g., press forming) because a thicker substrate is used. In order to facilitate various manufacturing methods, in this embodiment, the flower-shaped heat sink is made of a heat sink 30 with an equal thickness, that is, the thickness of the substrate 10 is the same as that of the heat sink 20, and the heat sink is made of aluminum alloy. In order to facilitate manual manufacturing, the thickness (i.e. the thickness of the substrate and the thickness of the radiating fins) S3 of the radiating plate is preferably 0.3mm to 8.0mm.

The flower-shaped radiating fins of the embodiment are convenient to process and manufacture, can be machined and formed, can also be manufactured by matching simple tools with hands, and are suitable for customization or small-batch production of specific engineering project single pieces.

Example four:

as shown in fig. 7 to 9, a flower-shaped heat sink includes a plurality of flower-shaped heat sinks of the first embodiment, the second embodiment, or the third embodiment.

This embodiment has adopted three flower type fin: a first flower-shaped heat sink 40, a second flower-shaped heat sink 50, and a third flower-shaped heat sink 60. The three flower-shaped fins have different substrate sizes, the first flower-shaped fin 40 has an outline circle (i.e., the diameter of a polygonal inscribed circle surrounded by the connecting edge 11) d1 of 40mm, the second flower-shaped fin 50 has an outline circle d2 of 50mm, and the third flower-shaped fin 60 has an outline circle d3 of 60mm. The three flower-shaped radiating fins are provided with different blade bending angles, the blade bending angle of the first flower-shaped radiating fin 40 is 60 degrees, the blade bending angle of the second flower-shaped radiating fin 50 is 55 degrees, and the blade bending angle of the third flower-shaped radiating fin 60 is 50 degrees.

The three-pattern fins are stacked on each other, and the first pattern fin 41 and the second pattern fin 51 are stacked on each other (i.e., in planar contact), and the second pattern fin 51 and the third pattern fin 61 are stacked on each other. The radiating fins (42, 52, 62) of the three-piece flower-shaped radiating fins are nested with each other. The third flower-shaped fins 60 are nested on the outermost side, with the largest base plate size (largest outline circle d 3) and the smallest blade bending angle (50 °); the first flower-shaped fin 40 is nested at the innermost side, having the smallest base plate size (smallest outline circle d 1) and the largest blade bending angle (60 °); the second flower-shaped heat sink 50 is nested in the middle with the substrate size and the blade bending angle between the first and third flower-shaped heat sinks. In this way, when a plurality of flower-type radiating fins are adopted for combination, the size of the substrate of the flower-type radiating fin with the radiating blades nested outside is larger than that of the substrate of the flower-type radiating fin with the radiating blades nested inside, and the blade bending angle of the flower-type radiating fin with the radiating blades nested outside is smaller than that of the flower-type radiating fin with the radiating blades nested inside. The structure arrangement ensures that the combined radiating blades have good spatial distribution, and is beneficial to heat exchange with airflow.

In order to improve the overall heat conduction effect of the flower-shaped heat radiator, a simpler method is to coat heat-conducting glue among the substrates of a plurality of flower-shaped heat radiating fins. In order to obtain better overall heat dissipation efficiency, the substrates of the multiple flower-shaped cooling fins are fixedly connected through brazing.

Example five:

as shown in fig. 10 and 11, this embodiment is an application example of the flower-shaped heat sink of the fourth embodiment.

The flower-shaped radiator of the embodiment is used for radiating the gallium arsenide battery, the gallium arsenide battery 70 is provided with a battery substrate 71 and a light-gathering cover 72, a lens 75 is arranged at the top of the light-gathering cover and used for focusing sunlight at the gallium arsenide battery, and a cooling fan 73 is used for air flow forced radiation. The three-piece flower-shaped radiating fins (40, 50 and 60) form a flower-shaped radiator, and the substrates (41, 51 and 61) of the three-piece flower-shaped radiating fins are fixedly connected through bolts 74 and are fixed with the radiating fan 73. As shown, the battery substrate 71 is connected to the upper end of the flower-shaped heat sink (i.e., the surface facing away from the bent side of the heat sink), and the heat sink fan 73 is disposed on the bent side of the heat sink and surrounded by the heat sink. The fan airflow blows to the substrate of the flower-shaped radiating fin and spreads and flows around, and through the radiating blades, the airflow can perform uniform and sufficient heat exchange with the plurality of radiating blades, so that the flower-shaped radiating body generates a high-efficiency radiating effect.

Claims

1. A flower-shaped radiating fin is characterized by comprising a base plate and a plurality of radiating blades surrounding the base plate, wherein the base plate is connected with the radiating blades along a connecting edge, the radiating blades are bent towards the same side of the base plate, the base plate and the radiating blades are made of a radiating plate, the radiating plate is provided with a plurality of cutting seams of a radial structure, and the cutting seams surround the radiating plate and divide the radiating blades.

2. The flower type heat sink as claimed in claim 1, wherein the thickness of the heat sink fins is gradually reduced from the connecting edge to the outer edge, the thickness of the base plate is 1.8mm to 2.0mm, and the thickness of the outer edge of the heat sink fins is 0.2mm to 0.3mm.

3. The flower type heat sink as claimed in claim 1, wherein the thickness of said base plate is the same as that of said heat dissipating fins, and the thickness of said base plate and that of said heat dissipating fins are 0.3mm to 8.0mm.

4. The flower type heat sink as claimed in claim 1, wherein the outer edge of said heat dissipating fin is twisted with respect to said connecting edge, and the twist angle of said fin between the outer edge of said heat dissipating fin and said connecting edge is in the range of 30 ° to 75 °.

5. The flower-shaped heat sink as claimed in claim 1, wherein said fins are bent along said connecting edge toward one side of said base plate, and the angle of bending of said fins is 45 ° to 75 °.

6. The flower-shaped heat sink as claimed in claim 1, wherein the heat sink fins are bent along a bending edge toward one side of the base plate, and a bending inclination angle is provided between the bending edge and the connecting edge, and the bending inclination angle is 20 ° to 30 °.

7. A flower-shaped radiator comprising a plurality of flower-shaped radiating fins as claimed in any one of claims 1 to 6, wherein substrates of the plurality of flower-shaped radiating fins are overlapped with each other, and radiating fins of the plurality of flower-shaped radiating fins are nested with each other.

8. The flower-shaped heat sink as claimed in claim 7, wherein a plurality of the flower-shaped fins have different substrate sizes, the substrate size of the flower-shaped fin in which the fin is nested outside is larger than the substrate size of the flower-shaped fin in which the fin is nested inside, and the fin bending angle of the flower-shaped fin in which the fin is nested outside is smaller than the fin bending angle of the flower-shaped fin in which the fin is nested inside.

9. The flower-shaped heat sink as claimed in claim 7, wherein the substrates of the plurality of flower-shaped fins are soldered to each other.