Fan heat dissipation structure of aluminum box body

Abstract

This utility model provides a fan heat dissipation structure for an aluminum box body, relating to the field of box body heat dissipation technology. It includes a control box body with a control circuit board mounted at its bottom; heat dissipation fins, radially distributed along the center of the bottom of the control box body; and a cooling fan located at the center of the bottom of the control box body, with the airflow directed towards the bottom of the control box body. This addresses the current problem of uneven heat dissipation on the PCB board caused by the vertically distributed cooling fins at the bottom of the box body, where the fan only blows air from the top, bottom, left, and right, leaving the four corners without airflow carrying heat.

Description

Technical Field

[0001] This utility model mainly relates to the field of heat dissipation technology for box bodies, specifically a fan heat dissipation structure for an aluminum box body. Background Technology

[0002] When using a water pump, it needs to be operated in conjunction with a controller. The water pump controller requires careful heat dissipation to protect internal electronic components, ensure stable operation, and extend its lifespan. High temperatures increase the conduction losses of power devices (such as MOSFETs and IGBTs), reducing energy efficiency and potentially triggering overheat protection or even causing burnout. Simultaneously, capacitors, chips, and other components are prone to aging and failure under prolonged high temperatures, affecting control accuracy and reliability. Furthermore, a good heat dissipation design can prevent the controller from triggering frequency throttling or shutdown due to overheating, ensuring the water pump continues to operate efficiently. Therefore, common heat dissipation solutions include aluminum alloy casing for heat conduction, optimized heat sinks, forced air cooling, or liquid cooling to maintain the controller within a safe temperature range.

[0003] During the operation of specific embodiments, the inventors discovered the following defects:

[0004] Current air-cooling methods mainly involve installing a cooling fan at the rear of the controller box. The fan blows air onto the heat dissipation fins on the box, carrying away a large amount of heat and thus reducing the box temperature. However, the heat dissipation fins on the bottom of the box are arranged vertically. When the fan is working, air only comes out from the top, bottom, left, and right, and no air is blown from the four corners to carry away heat, which will lead to uneven heat dissipation on the PCB board.

[0005] It should be noted that the above content falls within the scope of technical knowledge of those skilled in the art. Due to the vast and complex nature of the technical content in this field, the above content of this application does not necessarily constitute prior art. Utility Model Content

[0006] 1. The technical problem to be solved by the utility model:

[0007] This utility model provides a fan heat dissipation structure for an aluminum box body to solve the technical problems existing in the background art.

[0008] 2. Technical Solution:

[0009] To achieve the above objectives, the technical solution provided by this utility model is: a fan heat dissipation structure for an aluminum box body, comprising...

[0010] A control box, wherein a control circuit board is mounted on the bottom of the control box;

[0011] Heat dissipation fins are located at the bottom of the control box and are radially distributed along the center.

[0012] A cooling fan is located at the center of the bottom of the control box, with the airflow direction facing the bottom of the control box;

[0013] The control circuit board is electrically connected to the water pump and fixed to the bottom of the control box. The heat generated during operation is conducted to the control box through direct contact. The heat dissipation fins at the bottom of the control box are arranged radially along the center, and a cooling fan is installed in the center, directing airflow downwards. The cooling fan is connected to the power supply via wiring. When the cooling fan is running, the airflow is evenly diffused along the radial fins, achieving efficient heat dissipation for all the heat dissipation fins. This structure significantly improves overall heat dissipation efficiency by optimizing the heat conduction path and airflow distribution.

[0014] Furthermore, the bottom surface of the control box is provided with mounting posts arranged in a rectangle, and the mounting posts are fixedly connected to the cooling fan by screws.

[0015] Furthermore, the bottom housing of the cooling fan has a frustum-shaped protrusion at its center.

[0016] Furthermore, the control box has mounting brackets at its four bottom corners, and the mounting brackets have threaded holes at their ends. The height of the mounting brackets is greater than the height of the cooling fan after installation.

[0017] Furthermore, the heat dissipation fins are made of any one of pure aluminum, aluminum alloy, or pure copper.

[0018] Furthermore, the edges of the heat dissipation fins are chamfered.

[0019] 3. Beneficial effects:

[0020] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0021] This utility model features a rational design, integrating heat dissipation fins and a cooling fan at the bottom of the control box to form a highly efficient heat dissipation system. The radially distributed heat dissipation fins, in conjunction with the central cooling fan, achieve uniform airflow diffusion, significantly improving heat dissipation efficiency.

[0022] The design of the mounting posts and brackets optimizes airflow, ensuring smooth airflow when the cooling fan is operating. The frustum-shaped raised structure further guides the airflow direction, enhancing heat dissipation.

[0023] The heat dissipation fins are made of high thermal conductivity materials, combined with chamfered edges, which improves safety while ensuring heat dissipation performance. The overall structure is simple and reliable, suitable for the heat dissipation needs of various water pump controllers.

[0024] It should be noted that the structures not described in this utility model are the same as or can be implemented using existing technology, and will not be elaborated here, as they do not involve the design points and improvement directions of this utility model. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the bottom structure of this utility model;

[0026] Figure 2 This is a schematic diagram of the structure of this utility model;

[0027] Figure 3 This is a schematic diagram of the structure of the cooling fan of this utility model during disassembly;

[0028] Figure 4 This is a schematic diagram of the conventional technical solution of this utility model.

[0029] Figure label:

[0030] 1. Control box; 2. Heat dissipation fins; 3. Cooling fan; 4. Mounting post; 5. Frustum-shaped protrusion; 6. Mounting bracket. Detailed Implementation

[0031] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0032] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0034] In this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "fixed," "provided with," and "located in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0035] It should be noted that structures not described in this invention do not involve the design points and improvement directions of this invention, and can all be achieved using existing technologies known to those skilled in the art.

[0036] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0037] See attached document Figure 1-4 A fan cooling structure for an aluminum box housing, comprising:

[0038] Control box 1, with a control circuit board installed at the bottom of the control box 1;

[0039] Heat dissipation fins 2 are located at the bottom of the control box 1 and are radially distributed along the center.

[0040] The cooling fan 3 is located at the center of the bottom of the control box 1, and the air outlet direction is towards the bottom of the control box 1;

[0041] In this embodiment, the control circuit board is electrically connected to the water pump and fixed to the bottom of the control box 1. The heat generated during operation is conducted to the control box 1 through direct contact. The heat dissipation fins 2 at the bottom of the control box 1 are arranged radially along the center, and a cooling fan 3 is installed at the center and blows air downwards. The cooling fan 3 is connected to a power source via wiring. When the cooling fan 3 is running, the airflow is evenly diffused along the radial fins, achieving efficient heat dissipation for all the heat dissipation fins 2. This structure significantly improves overall heat dissipation efficiency by optimizing the heat conduction path and airflow distribution.

[0042] The control box 1 has a rectangular arrangement of mounting posts 4 in the middle of its bottom surface. The mounting posts 4 are fixedly connected to the cooling fan 3 by screws. In this embodiment, the mounting posts 4 are connected to the cooling fan 3. The mounting posts 4 can leave a gap at the bottom of the cooling fan 3 to form an airflow channel, which facilitates the circulation of air. It should be noted that the arrangement of the mounting posts 4 can be adapted to the shape and structure of the cooling fan 3.

[0043] The bottom housing of the cooling fan 3 has a frustum-shaped protrusion 5 at its center. In this embodiment, by setting the frustum-shaped protrusion 5, the airflow of the cooling fan 3 can be guided to the heat dissipation fins 2 on all four sides, thereby improving the heat dissipation efficiency.

[0044] The control box 1 has four mounting brackets 6 at the bottom corners. The mounting brackets 6 have threaded holes at their ends. The height of the mounting brackets 6 is greater than the height of the cooling fan 3 after installation. In this embodiment, after the cooling fan 3 is installed, the device is installed in a suitable position by means of the mounting brackets 6. The height of the mounting brackets 6 is set to facilitate airflow when the cooling fan 3 is working.

[0045] The heat dissipation fins 2 are made of any one of pure aluminum, aluminum alloy, or pure copper. In this embodiment, the above materials have better thermal conductivity, thereby improving heat dissipation efficiency.

[0046] The edges of the heat dissipation fins 2 are chamfered. In this embodiment, the chamfered heat dissipation fins 2 can improve the safety performance of the device during practical use.

[0047] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A fan heat dissipation structure for an aluminum box housing, characterized in that: include A control box (1) is provided, and a control circuit board is installed at the bottom of the control box (1). Heat dissipation fins (2) are located at the bottom of the control box (1) and are radially distributed along the center. The cooling fan (3) is located at the center of the bottom of the control box (1), and the air outlet direction is towards the bottom of the control box (1).

2. The fan heat dissipation structure for an aluminum box body according to claim 1, characterized in that: The control box (1) has mounting posts (4) arranged in a rectangular pattern in the middle of its bottom surface. The mounting posts (4) are fixedly connected to the cooling fan (3) by screws.

3. The fan heat dissipation structure for an aluminum box body according to claim 1, characterized in that: The cooling fan (3) has a frustum-shaped protrusion (5) at the center of its bottom housing.

4. The fan heat dissipation structure for an aluminum box body according to claim 1, characterized in that: The control box (1) has mounting brackets (6) at the four corners of its bottom. The mounting brackets (6) have threaded holes at their ends. The height of the mounting brackets (6) is greater than the height of the cooling fan (3) after installation.

5. The fan heat dissipation structure for an aluminum box body according to claim 1, characterized in that: The heat dissipation fins (2) are made of any one of pure aluminum, aluminum alloy, or pure copper.

6. The fan heat dissipation structure for an aluminum box body according to claim 1, characterized in that: The edges of the heat dissipation fins (2) are chamfered.

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