A chisel-toothed radiator with a spoiler function

Abstract

The utility model discloses a kind of shovel tooth radiators with spoiler function, including substrate, form several counterbores on substrate;Several shovel teeth pieces are provided on the substrate by shoveling a section of substrate surface and standing up, and the spoiler hole formed by counterbores on the substrate after shoveling is provided on the shovel teeth piece.The utility model can improve the heat dissipation performance of the heat dissipation module, balance the local ability of heat dissipation area, prolong the life of upstream device, improve the reliability of upstream complete machine, reduce upstream cost, and have strong practicality.

Description

Technical Field

[0001] This utility model relates to the field of heat dissipation technology, and in particular to a spade-tooth radiator with a turbulence-disrupting function. Background Technology

[0002] In wind power converters, the IGBT module, the power unit, plays a crucial role in dynamic adaptation between wind and electricity, grid compatibility, and system protection. Due to the high power, long-term operation, and harsh environment of wind power scenarios, IGBT losses are exacerbated. Improper heat dissipation of the IGBT module can easily lead to shortened IGBT lifespan, reduced reliability, and even system failure. Components related to power unit heat dissipation in wind power converters mainly include heat sinks, IGBT modules, thermal interface materials, mounting frames, capacitors, busbars, and plastic protective covers. Cooling air enters through the heat sink inlet, flows through the heat sink to dissipate heat from the power unit, and is then exhausted from the system. Based on power requirements and design schemes, IGBT module heat dissipation needs to be improved by enhancing the heat sink's cooling performance to reduce the risk of overheating and improve product reliability. Utility Model Content

[0003] This invention provides a spade-shaped heat sink with turbulence-dissipating function to solve the heat dissipation problem of IGBT modules.

[0004] This utility model is achieved by adopting the following technical solution.

[0005] A shovel-tooth heat sink with a turbulence-disrupting function includes a substrate with a plurality of countersunk holes formed on the substrate; the substrate is provided with a plurality of shovel-tooth blades that are raised upward by shoveling a section of the substrate surface, and the shovel-tooth blades are provided with turbulence-disrupting holes formed by shoveling the countersunk holes on the substrate.

[0006] Furthermore, the shovel teeth can be planar or non-planar; non-planar shovel teeth include curved shovel teeth and folded shovel teeth.

[0007] Furthermore, several of the countersunk holes are distributed at certain intervals on the substrate, and the distribution pattern includes triangular distribution, rectangular array distribution, and irregular distribution.

[0008] Furthermore, the cross-sectional shape of the countersunk hole includes triangular, square, polygonal, elliptical, and irregular shapes.

[0009] Furthermore, the countersunk hole undergoes a secondary edge-folding process after being shoveled.

[0010] This application has the following beneficial effects.

[0011] This utility model's heat sink improves the performance of IGBT module shovel-tooth heat sinks through the design of turbulence holes, extending the lifespan of upstream components, increasing the reliability of upstream systems, and reducing upstream product costs. This heat sink has broad application prospects in electronic products, automotive products, industrial machinery, and other fields. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of the shovel-tooth radiator of this utility model;

[0013] Figure 2 This is a schematic diagram of the air particle turbulence of the shovel-tooth radiator of this utility model;

[0014] Figure 3 This is a process diagram of the manufacturing process of the shovel-tooth radiator of this utility model;

[0015] Figure 4 This is a process diagram of the secondary folding shovel tooth radiator of this utility model;

[0016] Figure 5 This is a schematic diagram of the rectangular arrangement of circular countersunk holes on the substrate of this utility model;

[0017] Figure 6 This is a diagram showing the triangular arrangement of square countersunk holes on the substrate of this utility model;

[0018] Figure 7 This is a diagram showing the rectangular arrangement of countersunk holes on the folded edge of the substrate of this utility model.

[0019] Among them, 1. substrate; 2. spade-shaped blade; 3. turbulence hole; 4. countersunk hole. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] like Figure 1-7 As shown, a shovel-tooth heat sink with a turbulence-disrupting function includes a substrate 1, on which a plurality of countersunk holes 4 are formed; the substrate 1 is provided with a plurality of shovel-tooth blades 2 which are formed by scraping a section of the substrate surface and standing upward, and the shovel-tooth blades 2 are provided with turbulence-disrupting holes 3 formed by scraping the countersunk holes 4 on the substrate 1.

[0022] This application can employ planar or non-planar toothed designs. Non-planar toothed designs are not limited to curved or folded surfaces, and curved surfaces are not limited to wavy or other types of curved surfaces. Furthermore, the tooth thickness is 0.25–2 mm, and the tooth spacing is 0.5–5 mm, which are conventional technical parameters. Different tooth spacings and thicknesses are all within the scope of protection of this application.

[0023] Before the shovel teeth are processed, some countersunk holes 4 are processed on the substrate 1 according to different positions and shapes. After the shovel teeth are processed, turbulence holes 3 with a certain regularity are formed in each shovel tooth 2, so that the cold air passing through the shovel tooth 2 has a local turbulence effect through the turbulence holes 3 during the movement.

[0024] In this application, "different positions" refers to the different spacing and arrangement of the countersunk holes 4 on the substrate 1. Specifically, the arrangement can be triangular, rectangular, or irregular. After the toothing process, the turbulence holes 3 have an equidistant height difference relative to the substrate 1 in each toothed blade 2. The equidistant height difference is related to the thickness of the toothed blade 2 and the spacing between the toothed blades 2.

[0025] The term "different shapes" in this application refers to the different cross-sectional shapes of the countersunk hole 4. Specifically, it can be triangular, square, polygonal, elliptical, irregular, etc. After being processed by the shaving teeth, it forms a cross-sectional shape that is different from that of the countersunk hole 4 on the substrate 1, but it has a certain variation pattern. Due to the characteristics of the shaving teeth processing, the original cross-section will tilt when the shaving teeth stroke angle, fin thickness, and fin spacing are different.

[0026] For irregularly shaped countersunk holes 4, after the teeth are removed, a secondary folding process can be performed to deform the original hole shape into a folded shape. The specific turbulence performance can be designed by adjusting the folding angle and height. (Refer to...) Figure 4 After the secondary folding process, the turbulence effect of the turbulence hole 3 is better. In addition, the turbulence performance improvement through secondary folding is also applicable to cases where the countersunk hole 4 is a square hole, a triangular hole, etc.

[0027] The toothed radiator of this application can be made of metal materials with ordinary thermal conductivity, and is not limited to the materials used in existing toothed radiators such as 1-series aluminum alloys, 6-series aluminum alloys, and copper alloys.

[0028] Although this utility model is described in terms of an integral toothed radiator, the toothed radiator using this turbulence scheme is also applicable to split-type, high and low tooth, sparse and dense tooth, and combined forms, all of which are within the scope of protection of this patent.

[0029] The shovel-tooth heat sink of this application allows cooling air to enter from one end of the heat sink, flow through the gaps between the shovel-tooth fins to turbulently dissipate heat from the power unit, and then be exhausted. This invention allows for the selection of the most reasonable combination scheme through simulation or experimentation, thereby improving the heat dissipation performance of the module being cooled, balancing the local capacity of the heat dissipation area, extending the lifespan of upstream components, improving the overall reliability of the upstream system, and reducing upstream costs.

[0030] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A spade-shaped heat sink with a turbulence-disrupting function, comprising a substrate (1), characterized in that: A plurality of countersunk holes (4) are formed on the substrate (1); the substrate (1) is provided with a plurality of shovel teeth (2) that are raised upward by shoveling a section of the substrate surface, and the shovel teeth (2) are provided with turbulence holes (3) formed by the countersunk holes (4) on the substrate (1) after shoveling.

2. A spade-shaped radiator with turbulence-disrupting function according to claim 1, characterized in that: The shovel teeth (2) can be either planar or non-planar; non-planar shovel teeth include curved shovel teeth and folded shovel teeth.

3. A spade-shaped radiator with a turbulence-disrupting function according to claim 1, characterized in that: Several countersunk holes (4) are distributed on the substrate (1) at certain intervals, and the distribution methods include triangular distribution, rectangular array distribution, and irregular distribution.

4. A spade-shaped radiator with a turbulence-disrupting function according to claim 1, characterized in that: The cross-sectional shape of the countersunk hole (4) includes triangle, square, polygon, ellipse, and irregular shape.

5. A spade-shaped radiator with a turbulence-disrupting function according to claim 4, characterized in that: The countersunk hole (4) undergoes a second edge folding process after being scraped by the teeth.

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