CN116193821A - A new high-efficiency fin structure for water-cooled heat sink - Google Patents

Abstract

The invention discloses a novel efficient fin structure for a water-cooling heat-dissipating plate, which comprises fins, wherein a plurality of overflow slotted holes are arranged in diversion trenches of the fins, and turbulent fins which are arranged in a staggered manner are arranged beside the overflow slotted holes, so that the diversion trenches form a corrugated runner structure. When fluid passes through the fins in the water-cooling heat dissipation plate, the turbulent fins can destroy the boundary surface layer of the fluid boundary to form turbulent flow, so that the heat exchange efficiency between the fluid and the fins is improved, and meanwhile, the corrugated flow passage structure formed by staggered arrangement of the turbulent fins can increase the fluid passing time, improve the heat dissipation area of the fins, greatly improve the heat exchange efficiency and meet the requirement of larger heat productivity.

Description

A new high-efficiency fin structure for water-cooled heat sink

technical field

The invention relates to a novel high-efficiency fin structure for a water-cooled radiator plate, belonging to the technical field of water-cooled radiators.

Background technique

With the development of modern electronic technology, the heat loss of various electrical components is increasing. Water-cooled heat sinks have been widely used in the field of electronic appliances and new energy vehicles. Among them, the cooling fins in water-cooled heat sinks are widely used in straight fins. And the zigzag fins, the spoiler fins are arranged next to the overflow slot holes of the fin guide grooves, when the fluid passes through the fins in the water-cooled heat sink, the spoiler fins can destroy the boundary layer of the fluid boundary, forming Turbulent flow, thereby improving the heat exchange efficiency between the fluid and the fins. At present, the spoiler fins in the cooling fin guide groove are several aligned and uniformly arranged spoiler plates, which can meet the use of conventional equipment, but with the improvement of the power and performance of various electrical components, the water-cooled The heat dissipation requirements of the heat dissipation plate also increase accordingly, so that the heat dissipation fins in the water-cooled heat dissipation plate must also be more efficient and have better heat exchange efficiency, so as to meet the use of electrical components with large heat loss.

Contents of the invention

In view of this, the object of the present invention is to provide a novel high-efficiency fin structure for a water-cooled radiator plate, which can overcome the deficiencies of the prior art.

The purpose of the present invention is achieved by the following technical solutions:

A new high-efficiency fin structure for water-cooled heat dissipation plates, including fins, a number of overflow slots are arranged in the diversion grooves of the fins, and staggered spoiler fins are arranged beside the overflow slots. Make the diversion groove form a corrugated flow channel structure.

The aforementioned spoiler fins and overflow slots form a V-shaped spoiler structure.

The openings of the adjacent V-shaped spoiler structures are obliquely arranged opposite to each other.

The openings of adjacent V-shaped spoiler structures face each other and are inclined at 45-60 degrees, so that they are arranged in a staggered manner to form a corrugated flow channel structure.

The aforementioned overflow slots and spoiler fins are triangles or rectangles with the same shape, and a V-shaped spoiler structure is formed between the two triangles or rectangles.

The V-shaped angle of the aforementioned V-shaped spoiler structure is 70-86 degrees.

The aforementioned fins are tooth-shaped cooling fins, and their guide grooves are tooth-shaped grooves. The V-shaped spoiler structure is evenly covered in each flow guide groove 2, and the adjacent V-shaped flow guide grooves in each flow guide groove 2 The spacing of the spoiler structure is 2-5mm.

The aforementioned V-shaped spoiler structure is an integral structure formed by die punching.

The aforementioned V-shaped spoiler structure is composed of an overflow slot and a spoiler block welded and fixedly connected to the side of the overflow slot.

The size of the spoiler block is slightly larger than the overflow slot; the thickness of the spoiler block is 0.3-0.5mm.

Compared with the prior art, the present invention discloses a new high-efficiency fin structure for water-cooled heat dissipation plates, including fins, and a number of overflow slots are arranged in the diversion slots of the fins, and there are The spoiler fins arranged in a staggered manner make the diversion groove form a corrugated flow channel structure. When the fluid passes through the fins in the water-cooled heat sink, the spoiler fins can destroy the boundary layer of the fluid boundary and form turbulent flow, thereby improving the heat exchange efficiency between the fluid and the fins. At the same time, the spoiler fins are staggered to form a The corrugated channel structure can increase the passage time of the fluid, increase the heat dissipation area of the fins, and achieve the purpose of improving the heat dissipation capacity of the water-cooled heat sink.

The beneficial effects of the present invention are:

The invention has the advantages of simple structure, low manufacturing cost, and convenient assembly. While effectively destroying the boundary layer of the fluid flowing through the water-cooled heat dissipation plate, the heat dissipation area of the fins is also increased, and the heat exchange efficiency is greatly improved. Compared with the corresponding fins, it can be increased by at least 2 times to meet the greater demand for heat generation.

Other advantages, objects and features of the present invention will be set forth in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the investigation and research below, or can be obtained from It is taught in the practice of the present invention. The objects and other advantages of the invention may be realized and attained by the following specification.

Description of drawings

In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the front structure schematic diagram of the present invention;

Fig. 3 is a schematic view of the side structure of the present invention.

Detailed ways

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present invention, but not for limiting the protection scope of the present invention.

As shown in Figures 1-3, a new type of high-efficiency fin structure for water-cooled heat dissipation plates, including fins 1, is provided with a number of overflow slots 201 in the diversion groove 2 of the fin 1, and in the overflow slots The spoiler fins 3 arranged in a staggered manner are arranged beside the 201, so that the diversion groove 2 forms a corrugated flow channel structure. When the fluid passes through the fins 1 in the water-cooled heat sink, the spoiler fins 3 can destroy the boundary layer of the fluid boundary, thereby improving the heat exchange efficiency between the fluid and the fins 1, and at the same time, the spoiler fins 3 are staggered to form The corrugated channel structure can increase the passage time of the fluid, increase the heat dissipation area of the fins, and achieve the purpose of improving the heat dissipation capacity of the water-cooled heat sink.

The spoiler fins 3 and the overflow slots 201 form a V-shaped spoiler structure. Preferably, the V-shaped angle of the V-shaped spoiler structure is 70-86 degrees.

The openings of the adjacent V-shaped spoiler structures are obliquely arranged opposite to each other.

The openings of adjacent V-shaped spoiler structures face each other and are inclined at 45-60 degrees, so that they are arranged in a staggered manner to form a corrugated flow channel structure.

The fin 1 is a tooth-shaped heat dissipation fin, and its guide groove 2 is a tooth-shaped groove. The V-shaped spoiler structure is evenly covered in each guide groove 2 of the fin 1, and each guide groove The distance between adjacent V-shaped spoiler structures in 2 is 2-5mm.

The overflow slots 201 and the spoiler fins 3 are triangles or rectangles with the same shape, and a V-shaped spoiler structure is formed between the two triangles or rectangles.

Wherein, the V-shaped spoiler structure is an integral structure formed by die punching. During processing, the overflow groove hole 201 is processed by punching equipment, the bending edge is retained during the punching process, and then the punching waste is bent along the bending edge to form the spoiler fin 3, which is not only convenient for processing , and will not cause material waste, saving processing costs.

Alternatively, the V-shaped spoiler structure is composed of an overflow slot 201 and a spoiler block welded and fixed beside the overflow slot 201 . Preferably, the size of the spoiler block is slightly larger than the overflow slot hole, which can further increase the passage time of the fluid and increase the heat dissipation area of the fins. The thickness of the spoiler block is 0.3-0.5 mm, which can reduce its weight while ensuring heat dissipation efficiency.

The above description is only a preferred embodiment of the present invention, and is not to limit the present invention to any form of confidentiality. Any simple modification, Equivalent changes and modifications still fall within the scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a novel high-efficient fin structure is used to water-cooling heating panel, includes fin (1), is equipped with a plurality of overflow slotted holes (201), its characterized in that in guiding gutter (2) of fin (1): the turbulent fins (3) which are staggered are arranged beside the overflow slotted holes (201), so that the diversion trenches (2) form a corrugated runner structure.

2. The novel high-efficiency fin structure for a water-cooled heat dissipating plate according to claim 1, wherein: the turbulence fins (3) and the overflow slotted holes (201) form a V-shaped turbulence structure.

3. The novel high-efficiency fin structure for a water-cooled heat dissipating plate according to claim 2, wherein: the openings of adjacent V-shaped turbulent flow structures are obliquely and oppositely arranged.

4. The novel high-efficiency fin structure for a water-cooled heat dissipating plate according to claim 3, wherein: the openings of the adjacent V-shaped turbulence structures are opposite and are inclined at 45-60 degrees, so that the adjacent V-shaped turbulence structures are staggered to form a corrugated flow passage structure.

5. The novel high-efficiency fin structure for a water-cooled heat dissipating plate according to claim 4, wherein: the overflow slotted hole (201) and the turbulent fin (3) are triangular or rectangular with the same shape, and a V-shaped turbulent structure is formed between the two triangular or rectangular structures.

6. The novel high-efficiency fin structure for a water-cooled heat dissipating plate according to claim 5, wherein: the V-shaped angle of the V-shaped turbulence structure is 70-86 degrees.

7. The novel high-efficiency fin structure for a water-cooled heat dissipating plate according to any one of claims 2 to 6, characterized in that: the fin (1) is a tooth-shaped radiating fin, the diversion trenches (2) are tooth-shaped grooves, the V-shaped flow disturbing structures are uniformly distributed in each diversion trench (2), and the distance between adjacent V-shaped flow disturbing structures in each diversion trench (2) is 2-5mm.

8. The novel high-efficiency fin structure for a water-cooled heat dissipating plate according to claim 7, wherein: the V-shaped turbulence structure is an integrated structure formed by blanking by a die.

9. The novel high-efficiency fin structure for a water-cooled heat dissipating plate according to claim 7, wherein: the V-shaped turbulence structure is composed of an overflow slot (201) and turbulence blocks welded and fixedly connected beside the overflow slot (201).

10. The novel high-efficiency fin structure for a water-cooled heat dissipating plate according to claim 7, wherein: the size of the turbulence block is slightly larger than that of the overflow slotted hole; the thickness of the spoiler is 0.3-0.5mm.

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