Heat dissipation and ventilation structure of aviation power box

By designing a partition structure with cylindrical protrusions and radial protrusions on the side panel of the aviation power supply box, combined with a dust filter and a bidirectional fan, the heat dissipation and dust prevention problems of traditional aviation power supply box heat dissipation and ventilation structures are solved, achieving efficient heat dissipation and quick fan replacement.

CN223943036UActive Publication Date: 2026-02-24JIANGSU SUNYO AEROSPACE CO LTD
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Patent Information

Application Number
CN202520304075.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-24
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Traditional aviation power supply boxes cannot simultaneously provide efficient heat dissipation and dust prevention, and the cooling fans are inconvenient to replace.

Method used

A heat dissipation and ventilation structure is designed, in which a cylindrical convex tube is formed by a recess in the side panel of the aviation power box. The convex tube is divided into a fan installation area and a dustproof area. The dustproof filter is held by radial protrusions and air inlet pipe. The fan can switch the airflow direction for automatic dust removal. The combination of bidirectional fan realizes heat dissipation and dust prevention.

Benefits of technology

It achieves both heat dissipation efficiency and dust protection, and the fan can be quickly replaced, improving the reliability and service life of the aviation power supply box.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223943036U_ABST
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Abstract

The utility model relates to the technical field of aviation power supply box production, in particular to a heat dissipation and ventilation structure of an aviation power supply box, which is reasonable in structural design and mainly comprises aviation power supply box side plates, cylindrical convex pipes, radial bulges, fastening holes and air inlet pipes. A cylindrical protruding pipe and a radial protrusion are formed on a side plate of the aviation power box in a punching mode, an inner cavity of the cylindrical protruding pipe is divided into a fan installation area located in an outer layer area and a dustproof area located in an inner layer area through the radial protrusion, a fan is installed through the fan installation area, and a dustproof filter screen is installed through the dustproof area. The air inlet pipe and the radial protrusions are jointly matched to clamp and limit the dustproof filter screen, and when the fan switches the air direction, the dustproof filter screen can jump in the dustproof filter screen clamping layer, so that reverse automatic dust removal is facilitated, and the requirements for heat dissipation and dust prevention are met.
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Description

Technical Field

[0001] This utility model relates to the field of aviation power supply box manufacturing technology, and in particular to a heat dissipation and ventilation structure for an aviation power supply box. Background Technology

[0002] The heat dissipation and ventilation structure plays a crucial role in aviation power supply boxes, specifically in the following aspects: 1) The main function of the heat dissipation and ventilation structure is to effectively dissipate the heat generated inside the power supply box, maintaining the internal temperature within a reasonable range. This is essential for ensuring the normal operation of the aviation power supply box, as excessively high temperatures can cause electronic components inside the box to overheat and fail, or even cause a fire. 2) A good heat dissipation and ventilation structure ensures that the power supply box can still operate normally in high-temperature environments, thereby improving the reliability of the entire aviation system. Prolonged high-temperature operation will shorten the lifespan of electronic components; therefore, effective heat dissipation can extend the service life of the power supply box. 3) During flight, the power supply box needs to provide a continuous and stable power supply. By maintaining a stable internal temperature, the heat dissipation and ventilation structure helps reduce fluctuations in electrical performance caused by temperature changes, thereby ensuring the stability of the power supply box. 4) The design of the heat dissipation and ventilation structure is often closely related to the internal structural layout of the power supply box. By rationally designing air ducts and other heat dissipation and ventilation structures, the airflow inside the power supply box can be optimized, improving heat dissipation efficiency, while also helping to reduce the size and weight of the power supply box, meeting the operational requirements of aircraft.

[0003] Traditional aviation power supply boxes have been found to have shortcomings in their heat dissipation and ventilation structures. Firstly, they cannot achieve both efficient heat dissipation and dust prevention. Secondly, their structure hinders the quick installation of cooling fans, and makes rapid replacement difficult when fans malfunction. Therefore, it is necessary to optimize and improve the heat dissipation and ventilation structure of traditional aviation power supply boxes. Utility Model Content

[0004] The purpose of this invention is to overcome the aforementioned problems in traditional technologies and provide a heat dissipation and ventilation structure for an aviation power supply box.

[0005] To achieve the above-mentioned technical objectives and effects, this utility model is implemented through the following technical solution:

[0006] A heat dissipation and ventilation structure for an aviation power supply box includes a side plate of the aviation power supply box. The side plate is recessed inward to form a cylindrical protrusion. The side tube portion of the cylindrical protrusion protrudes inward along the circumferential direction to form several radial protrusions. The inner cavity of the cylindrical protrusion is divided by the radial protrusions into a fan mounting area in the outer layer and a dustproof area in the inner layer. The upper end of the radial protrusion is provided with a fastening hole for installing a fan by fastening bolts. Several outwardly protruding air inlet pipes are evenly distributed on the bottom plate of the cylindrical protrusion. A dustproof filter is clamped and installed between the upper end face of the air inlet pipe and the lower end face of the radial protrusion.

[0007] Furthermore, in the heat dissipation and ventilation structure of the aforementioned aviation power supply box, the side plate of the aviation power supply box and its cylindrical protrusion and radial protrusion are an integral structure, and the cylindrical protrusion and radial protrusion are formed by a stamping process.

[0008] Furthermore, in the heat dissipation and ventilation structure of the aforementioned aviation power supply box, the inner diameter of the cylindrical protrusion is 8-16cm, and the axial length of the cylindrical protrusion is 4-8cm.

[0009] Furthermore, in the heat dissipation and ventilation structure of the aforementioned aviation power supply box, the inner diameter of the air inlet pipe is 0.5 to 1 cm, and the axial length of the air inlet pipe is 1 to 2 cm.

[0010] Furthermore, in the heat dissipation and ventilation structure of the aforementioned aviation power supply box, the cross-section of the radial protrusion is rectangular, and the height of the radial protrusion along the axial direction of the cylindrical protrusion is 1.5 to 2 cm.

[0011] Furthermore, in the heat dissipation and ventilation structure of the aforementioned aviation power supply box, a 1-2 mm thick dust filter clamping layer is left between the upper end face of the air inlet pipe and the radially protruding lower end face.

[0012] Furthermore, in the heat dissipation and ventilation structure of the aforementioned aviation power supply box, the outer casing of the fan is provided with fastening holes that correspond one-to-one with the positions of the fastening holes.

[0013] Furthermore, in the heat dissipation and ventilation structure of the aforementioned aviation power supply box, the fan is a bidirectional fan with airflow capability in two directions, that is, it can both exhaust air outward and draw air inward.

[0014] The beneficial effects of this utility model are:

[0015] This utility model has a reasonable structural design. Its heat dissipation and ventilation structure mainly consists of an aviation power supply box side plate, a cylindrical protrusion, a radial protrusion, a fastening hole, and an air inlet pipe. The cylindrical protrusion and radial protrusion are stamped on the aviation power supply box side plate. The radial protrusion divides the inner cavity of the cylindrical protrusion into a fan mounting area in the outer layer and a dustproof area in the inner layer. The fan is installed in the fan mounting area, and the dustproof area is used to install the dustproof filter. The air inlet pipe and the radial protrusion work together to clamp and restrict the dustproof filter. When the fan changes the airflow direction, the dustproof filter can bounce in the dustproof filter clamping layer, which facilitates reverse automatic dust removal and takes into account both heat dissipation and dust prevention needs.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the above advantages at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall usage state of this utility model;

[0019] Figure 2 This is a front view schematic diagram of the heat dissipation and ventilation structure in this utility model;

[0020] Figure 3 This is a schematic diagram of the heat dissipation and ventilation structure in this utility model;

[0021] Figure 4 This is a half-sectional schematic diagram of the heat dissipation and ventilation structure in this utility model;

[0022] Figure 5 yes Figure 4 A magnified schematic diagram of a local structure;

[0023] The components represented by each number in the attached diagram are explained below:

[0024] 1-Slide rail, 2-First frame, 3-First annular turntable, 301-Gear ring, 4-Drive motor, 401-Drive gear, 5-Slider, 6-Second frame, 7-Second annular turntable, 8-Support rod, 9-Isolation sleeve, 10-Landing gear lock frame workpiece, 101-Lock frame plate, 102-Connecting plate seat, 103-First bushing, 104-Second bushing. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figures 1-5 As shown, this embodiment provides a heat dissipation and ventilation structure for an aviation power supply box. The heat dissipation and ventilation structure 1 includes an aviation power supply box side plate 101. The side plate 101 is recessed inward to form a cylindrical protrusion 102. The side tube portion of the cylindrical protrusion 102 protrudes inward in the circumferential direction to form a plurality of radial protrusions 103. The inner cavity of the cylindrical protrusion 102 is divided by the radial protrusions 103 into a fan mounting area in the outer layer and a dustproof area in the inner layer. The upper end of the radial protrusion 103 near the dustproof area has a fastening hole 104 for mounting a fan 2 with a fastening bolt 3. A plurality of outwardly protruding air inlet pipes 105 are evenly distributed on the bottom plate of the cylindrical protrusion 102. A dustproof filter 4 is clamped and installed between the upper end face of the air inlet pipe 105 and the lower end face of the radial protrusion 103.

[0027] In this embodiment, the side plate 101 of the aviation power supply box and its cylindrical protrusion 102 and radial protrusion 103 are integral structures, and the cylindrical protrusion 102 and radial protrusion 103 are formed by stamping process.

[0028] In this embodiment, the inner diameter of the cylindrical protrusion 102 is 8-16 cm, and the axial length of the cylindrical protrusion 102 is 4-8 cm.

[0029] In this embodiment, the inner diameter of the air inlet pipe 105 is 0.5 to 1 cm, and the axial length of the air inlet pipe 105 is 1 to 2 cm.

[0030] In this embodiment, the cross-section of the radial protrusion 103 is rectangular, and the height of the radial protrusion 103 along the axial direction of the cylindrical protrusion 102 is 1.5 to 2 cm.

[0031] In this embodiment, a 1-2 mm thick dust filter clamping layer is left between the upper end face of the air inlet pipe 105 and the lower end face of the radial protrusion 103.

[0032] In this embodiment, the outer casing of the fan 2 has fastening holes that correspond one-to-one with the positions of the fastening holes 104. The fan 2 is a bidirectional fan with airflow capability in two directions, meaning it can both exhaust air outwards and draw air inwards.

[0033] A specific application of this embodiment is as follows: The heat dissipation and ventilation structure 1 of this aviation power supply box mainly consists of an aviation power supply box side plate 101, a cylindrical protrusion 102, a radial protrusion 103, a fastening hole 104, and an air inlet pipe 105. The cylindrical protrusion 102 and the radial protrusion 103 are stamped on the aviation power supply box side plate 101. The radial protrusion 103 divides the inner cavity of the cylindrical protrusion 102 into a fan mounting area in the outer layer and a dustproof area in the inner layer. The fan mounting area is used to install the fan 2, and the dustproof area is used to install the dustproof filter 4. The air inlet pipe 105 and the radial protrusion 103 work together to clamp and restrict the dustproof filter 4. When the fan 2 switches the airflow direction, the dustproof filter 4 can jump in the dustproof filter clamping layer, thereby facilitating reverse automatic dust removal and taking into account both heat dissipation and dust prevention needs.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to specific implementation methods. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A heat dissipation and ventilation structure for an aircraft power supply box, the heat dissipation and ventilation structure comprising a side panel of the aircraft power supply box, characterized in that, The side panel of the aviation power supply box is recessed inward to form a cylindrical protrusion. The side tube portion of the cylindrical protrusion protrudes inward along the circumference to form several radial protrusions. The inner cavity of the cylindrical protrusion is divided by the radial protrusions into a fan mounting area in the outer layer and a dustproof area in the inner layer. The upper end of the radial protrusion is provided with a fastening hole for installing the fan by fastening bolts. Several outwardly protruding air inlet pipes are evenly distributed on the bottom plate of the cylindrical protrusion. A dustproof filter is clamped and installed between the upper end face of the air inlet pipe and the lower end face of the radial protrusion.

2. The heat dissipation and ventilation structure of the aviation power supply box according to claim 1, characterized in that, The side panel of the aviation power supply box, along with its cylindrical protrusions and radial protrusions, is an integral structure, formed by a stamping process.

3. The heat dissipation and ventilation structure of the aviation power supply box according to claim 2, characterized in that, The inner diameter of the cylindrical protrusion is 8-16 cm, and the axial length of the cylindrical protrusion is 4-8 cm.

4. The heat dissipation and ventilation structure of the aviation power supply box according to claim 3, characterized in that, The inner diameter of the air inlet pipe is 0.5 to 1 cm, and the axial length of the air inlet pipe is 1 to 2 cm.

5. The heat dissipation and ventilation structure of the aviation power supply box according to claim 4, characterized in that, The radial protrusion has a rectangular cross-section, and its height along the axial direction of the cylindrical protrusion is 1.5 to 2 cm.

6. The heat dissipation and ventilation structure of the aviation power supply box according to claim 5, characterized in that, A 1-2 mm thick dust filter retaining layer is left between the upper end face of the air inlet pipe and the radially protruding lower end face.

7. The heat dissipation and ventilation structure of the aviation power supply box according to claim 6, characterized in that, The fan housing has fastening holes that correspond one-to-one with the positions of the fastening holes.

8. The heat dissipation and ventilation structure of the aviation power supply box according to claim 7, characterized in that, The fan is a bidirectional fan with airflow capability in two directions, meaning it can both exhaust air outwards and draw air inwards.