A hard disk quick detach cooling device for an on-board case

Abstract

The utility model relates to airborne case technical field provides a hard disk quick detach cooling device for airborne case, include: guide cold shell, hard disk component, cooling fan subassembly, guide air baffle subassembly, butterfly quick detach screw and CPCI e connector, the hard disk component fixed mounting is in guide cold shell, guide air baffle subassembly sets up in hard disk component downside, cooling fan subassembly sets up in the air outlet of guide air baffle subassembly, butterfly quick detach screw sets up in guide cold shell front side, CPCI e connector sets up in guide cold shell back side, CPCI e connector is connected with hard disk component electricity, the utility model discloses reasonable in structure, convenient to use, based on guide cold and air cooling synergic cooling, cooperation quick detach structure realizes efficient operation.

Description

Technical Field

[0001] This utility model relates to the field of airborne chassis technology, and in particular to a quick-release heat dissipation device for hard drives in airborne chassis. Background Technology

[0002] As the core carrier of avionics systems, the reliability of the hard disk storage modules in the airborne chassis directly affects flight safety and mission efficiency. In highly dynamic flight environments, hard disks must withstand continuous vibration, extreme temperatures (-40℃ to +70℃), and limited space constraints, posing multiple challenges to traditional heat dissipation solutions.

[0003] For example, the heat dissipation structure of an airborne chassis disclosed in patent application number 202420619937.6 belongs to the field of airborne chassis technology. By simultaneously employing air cooling and water cooling, the overall heat dissipation effect can be improved, minimizing the possibility of insufficient heat dissipation in certain areas due to a single cooling method. This airborne chassis heat dissipation structure includes a chassis body with an internal cavity containing staggered baffles. Symmetrically arranged mounting cavities are located on both sides of the chassis body, where water-cooling components are installed. A symmetrical heat dissipation cavity is located at one end of the chassis body, containing a mounting bracket with an auxiliary cooling fan and a cooling motor for rotating the auxiliary fan. Ventilation holes for airflow are located on the side of the chassis body away from the cooling fan.

[0004] In existing technologies, hard drive cooling often relies on passive fins or forced air cooling. However, the former is not efficient enough under high load, while the latter is easily affected by airflow disturbances and requires additional power consumption. In addition, there is an inherent contradiction between quick-release design and heat dissipation performance: although the traditional snap-on structure is easy to maintain, the gap at the contact interface increases thermal resistance, while the press-fit design can improve heat dissipation efficiency, but requires complex tools for disassembly and assembly, which cannot meet the needs of rapid maintenance of aviation equipment. Utility Model Content

[0005] To address the aforementioned problems, this invention provides a quick-release heat dissipation device for hard drives in airborne chassis.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A quick-release heat dissipation device for hard drives in an airborne chassis includes: a heat-conducting housing, a hard drive assembly, a cooling fan assembly, a guide vane assembly, a wing quick-release screw, and a CPCI-e connector. The hard drive assembly is fixedly installed inside the heat-conducting housing. The guide vane assembly is located on the lower side of the hard drive assembly. The cooling fan assembly is located at the air outlet of the guide vane assembly. The wing quick-release screw is located on the front side of the heat-conducting housing. The CPCI-e connector is located on the rear side of the heat-conducting housing and is electrically connected to the hard drive assembly.

[0008] Preferably, the cooling housing includes a front panel, side panels, a bottom plate, and a top plate. The front panel is fixedly connected to the side panels via conductive sealing strips. The bottom plate is fixedly installed on the lower side of the side panels. The top plate is fixedly installed on the upper side of the side panels. The hard disk assembly is fixedly installed on the upper side of the side panels. The air guide plate assembly is fixedly installed on the upper side of the bottom plate. The corners of the front panel are connected to the butterfly quick-release screws via threads. The rear side of the side panels is fixedly connected to the CPCI-e connector.

[0009] Preferably, a conductive adhesive strip is provided at the connection between the bottom plate and the side panel, and a conductive adhesive strip is provided at the connection between the front panel and the side panel.

[0010] Preferably, the hard disk assembly includes: a hard disk body and a hard disk adapter plate, wherein the hard disk body is fixedly installed on the lower side of the hard disk adapter plate, and the hard disk adapter plate is fixedly connected to the side panel.

[0011] Preferably, thermally conductive pads are adhered to the parts of the hard drive body that require heat dissipation.

[0012] Preferably, the cooling fan assembly includes a cooling fan and a fan mounting component, wherein the cooling fan is fixedly connected to the fan mounting component, and the fan mounting component is disposed at the air outlet of the guide vane assembly and fixedly connected to the front panel.

[0013] Preferably, the guide vane assembly includes multiple sets of streamlined guide strips arranged in parallel, with air ducts formed between adjacent streamlined guide strips, and an air inlet for the air ducts is provided on the front panel.

[0014] The advantages of this invention are as follows: By setting up a cooling housing and a cooling fan assembly to form a composite heat dissipation scheme of "cooling substrate and forced air cooling", more than 70% of the core heat is quickly transferred to the cooling housing. Combined with the built-in fan forming a directional airflow within the airflow duct, this achieves a synergistic effect of heat conduction and convection cooling. Furthermore, by incorporating quick-release structures such as butterfly screws, both maintenance efficiency and reliability are improved. Attached Figure Description

[0015] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is an exploded view of this utility model;

[0018] Figure 3 This is a structural schematic diagram of the guide vane assembly of this utility model.

[0019] Explanation of reference numerals in the attached figures:

[0020] 1. Cooling housing; 2. Hard drive assembly; 3. Cooling fan assembly; 4. Air guide plate assembly; 5. Wing screw; 6. CPCI-e connector; 11. Front panel; 12. Side panel; 13. Bottom plate; 14. Top plate; 21. Hard drive body; 22. Hard drive adapter plate; 31. Cooling fan; 32. Fan mounting bracket; 111. Air inlet. Detailed Implementation

[0021] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not 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. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 based on the specific circumstances.

[0024] Example 1, combined with Figure 1 , Figure 2 and Figure 3 Explanation:

[0025] A quick-release heat dissipation device for hard drives in an airborne chassis includes: a heat-conducting housing 1, a hard drive assembly 2, a cooling fan assembly 3, a guide vane assembly 4, a wing-shaped quick-release screw 5, and a CPCI-e connector 6. The hard drive assembly 2 is fixedly installed inside the heat-conducting housing 1. The guide vane assembly 4 is located on the lower side of the hard drive assembly 2. The cooling fan assembly 3 is located at the air outlet of the guide vane assembly 4. The wing-shaped quick-release screw 5 is located on the front side of the heat-conducting housing 1. The CPCI-e connector 6 is located on the rear side of the heat-conducting housing 1 and is electrically connected to the hard drive assembly 2. It adopts a modular design, is compatible with 2.5-inch and 3.5-inch hard drive specifications, and can be integrated into platforms such as drones and helicopters without additional modifications.

[0026] The cooling housing 1 includes a front panel 11, a side panel 12, a bottom plate 13, and a top plate 14. The front panel 11 is fixedly connected to the side panel 12 by a conductive sealing strip. The bottom plate 13 is fixedly installed on the lower side of the side panel 12. The top plate 14 is fixedly installed on the upper side of the side panel 12. The hard disk assembly 2 is fixedly installed on the upper side of the side panel 12. The air guide plate assembly 4 is fixedly installed on the upper side of the bottom plate 13. The corner of the front panel 11 is connected to the butterfly quick-release screw 5 by a thread. The rear side of the side panel 12 is fixedly connected to the CPCI-e connector 6.

[0027] The cooling housing 1 uses an aerospace-grade titanium alloy frame, which is 30% lighter than aluminum alloy and fits the ARINC 600 standard 1 / 2 ATR chassis space.

[0028] Conductive adhesive strips are provided at the connection between the base plate 13 and the side panel 12, and at the connection between the front panel 11 and the side panel 12. By providing conductive adhesive strips, the heat dissipation air duct can be completely isolated from the interior of the machine, ensuring the electromagnetic compatibility performance and airtightness of the entire machine.

[0029] The hard disk assembly 2 includes: a hard disk body 21 and a hard disk adapter plate 22. The hard disk body 21 is fixedly installed on the lower side of the hard disk adapter plate 22, and the hard disk adapter plate 22 is fixedly connected to the side panel 12.

[0030] Thermal pads are attached to the parts of the hard drive body 21 that require heat dissipation.

[0031] The cooling fan assembly 3 includes a cooling fan 31 and a fan mounting component 32. The cooling fan 31 is fixedly connected to the fan mounting component 32, which is located at the air outlet of the guide vane assembly 4 and fixedly connected to the front panel 11. The cooling fan 31 uses a miniature axial fan with an airflow of 5 CFM, forming a directional airflow of 0.8 m / s within the airflow duct, and works in conjunction with the cooling housing 1 to achieve heat conduction and convection cooling.

[0032] The guide vane assembly 4 includes multiple sets of streamlined guide strips arranged side by side, forming an air duct between adjacent streamlined guide strips. An air inlet 111 of the air duct is provided on the front panel 11. The guide air duct adopts a streamlined structure design to reduce wind resistance and improve air cooling efficiency.

[0033] This invention employs a composite heat dissipation solution of "cooling-conducting substrate + forced air cooling," rapidly transferring over 70% of the core heat to the cooling housing. Combined with a built-in micro axial fan creating directional airflow within the airflow duct, this achieves a synergistic effect of heat conduction and convection cooling. Actual measurements show that the surface temperature of a 2.5-inch hard drive operating at full load is 12°C lower than traditional pure cooling solutions, stably controlled at 58±3°C, below the temperature threshold for avionics equipment (70°C). This effectively avoids head misalignment or solid-state particle aging caused by high temperatures, reducing hard drive read / write error rates by 60% and extending lifespan by over 25%.

[0034] The quick-release structure improves both maintenance efficiency and reliability. It allows for tool-free, one-handed operation, meeting the emergency support requirements of "5-minute rapid disk replacement" for airborne equipment. The CPCI-e connector 6 used maintains a 0.3mm preload under 15g vibration acceleration and has undergone 1000 mating cycles without contact failure, solving the problem of poor thermal contact caused by vibration in traditional quick-release structures and ensuring the continuous reliability of the heat dissipation path under complex flight conditions.

[0035] Environmental adaptability and modular design overcome application limitations. The overall structure uses an aerospace-grade titanium alloy frame, combined with high and low temperature resistant thermally conductive pads (operating temperature -55℃ to +125℃) and IP54-rated independent dustproof air ducts. It can operate stably in environments with temperatures ranging from -40℃ to +70℃, 85% humidity, and salt spray, and has passed full certifications for vibration, shock, and temperature cycling. The modular design is compatible with 2.5-inch / 3.5-inch hard drive forms and fits the ARINC 600 standard 1 / 2 ATR chassis space. It can be integrated into platforms such as drones and helicopters without additional modifications, reducing installation costs by 40% compared to traditional customized cooling solutions, and providing a universal solution for high-reliability airborne storage systems.

[0036] The working principle of this invention is based on the coordinated heat dissipation of conductive cooling and air cooling, combined with a quick-release structure to achieve efficient operation. During operation, the heat generated by the hard drive assembly 2 is directly transferred to the conductive housing 1, completing heat conduction and heat dissipation; the built-in cooling fan 31 operates simultaneously, forming a directional airflow in the air duct to carry away the remaining heat through convection. When quick release is required, the device can be quickly detached from the chassis by rotating the butterfly quick-release screw 5; during installation, the device is inserted into the corresponding slot in the chassis, and the butterfly quick-release screw 5 is rotated to ensure a tight fit between the device and the chassis, ensuring unobstructed heat conduction path and achieving efficient heat dissipation and convenient maintenance.

[0037] For those skilled in the art, this utility model is not limited to the details of the exemplary embodiments described above, and can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model; therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any minor modifications, equivalent substitutions and improvements made to the above embodiments based on the technical essence of the present utility model should be included within the protection scope of the technical solution of the present utility model.

Claims

1. A quick-release heat dissipation device for hard drives in an airborne chassis, characterized in that, include: The components include a cooling housing (1), a hard disk assembly (2), a cooling fan assembly (3), a guide vane assembly (4), a butterfly quick-release screw (5), and a CPCI-e connector (6). The hard disk assembly (2) is fixedly installed inside the cooling housing (1). The guide vane assembly (4) is located on the lower side of the hard disk assembly (2). The cooling fan assembly (3) is located at the air outlet of the guide vane assembly (4). The butterfly quick-release screw (5) is located on the front side of the cooling housing (1). The CPCI-e connector (6) is located on the rear side of the cooling housing (1) and is electrically connected to the hard disk assembly (2).

2. The quick-release heat dissipation device for hard drives in an airborne chassis according to claim 1, characterized in that, The cooling housing (1) includes: a front panel (11), a side panel (12), a bottom plate (13), and a top plate (14). The front panel (11) is fixedly connected to the side panel (12) by a conductive sealing strip. The bottom plate (13) is fixedly installed on the lower side of the side panel (12). The top plate (14) is fixedly installed on the upper side of the side panel (12). The hard disk assembly (2) is fixedly installed on the upper side of the side panel (12). The air guide plate assembly (4) is fixedly installed on the upper side of the bottom plate (13). The corner of the front panel (11) is connected to the butterfly quick-release screw (5) by a thread. The rear side of the side panel (12) is fixedly connected to the CPCI-e connector (6).

3. A quick-release heat dissipation device for hard drives in an airborne chassis according to claim 2, characterized in that, Conductive adhesive strips are provided at the connection between the bottom plate (13) and the side panel (12), and conductive adhesive strips are provided at the connection between the front panel (11) and the side panel (12).

4. A quick-release heat dissipation device for hard drives in an airborne chassis according to claim 2, characterized in that, The hard disk assembly (2) includes: a hard disk body (21) and a hard disk adapter plate (22). The hard disk body (21) is fixedly installed on the lower side of the hard disk adapter plate (22), and the hard disk adapter plate (22) is fixedly connected to the side panel (12).

5. A quick-release heat dissipation device for hard drives in an airborne chassis according to claim 4, characterized in that, Thermal pads are attached to the parts of the hard disk body (21) that require heat dissipation.

6. A quick-release heat dissipation device for hard drives in an airborne chassis according to claim 2, characterized in that, The cooling fan assembly (3) includes a cooling fan (31) and a fan mounting component (32). The cooling fan (31) is fixedly connected to the fan mounting component (32). The fan mounting component (32) is located at the air outlet of the guide vane assembly (4) and is fixedly connected to the front panel (11).

7. A quick-release heat dissipation device for hard drives in an airborne chassis according to claim 2, characterized in that, The guide vane assembly (4) includes multiple sets of streamlined guide strips, which are arranged in parallel and form an air duct between adjacent streamlined guide strips. An air inlet (111) of the air duct is provided on the front panel (11).

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