Electronic module heat dissipation device in closed cavity
By introducing heat exchange tubes and fan blades into the electronic modules within the sealed cavity, combined with coolant and motor drive, the problem of low heat dissipation efficiency within the sealed cavity is solved, achieving rapid and effective heat dissipation and improved equipment reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-03-27
AI Technical Summary
The airtight design of existing electronic modules results in slow heat dissipation, making it impossible to remove internal heat in time, leading to problems such as overheating or short circuits in the equipment.
A closed-cavity heat dissipation device was designed. By installing heat exchange tubes, connecting pipes, mounting frames, brackets and fan blades in the closed box, the device utilizes coolant and a rotating motor to drive the fan blades for multi-layer heat dissipation, combined with internal heat exchange and air circulation.
It achieves rapid and effective heat dissipation, improves the efficiency and flexibility of equipment use, and facilitates maintenance and replacement.
Smart Images

Figure CN224054608U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic module technical field, concretely is the heat abstractor of closed cavity electronic module. BACKGROUND
[0002] The heat generated by electronic module equipment during work makes the temperature inside the equipment rise, and if no heat dissipation treatment is carried out, the equipment will continue to heat up, and the device will fail due to overheating, and the reliability of the electronic equipment will decrease. With the development of electronic devices towards high performance and high integration, the power density increases, and the heat generated by electronic devices per unit volume and the heat flux density also increase substantially.
[0003] At present, the existing electronic module can only rely on the outer wall to export the internal heat during actual use due to its airtightness, so as to exchange heat with the outside, and this heat dissipation method is relatively slow in actual use, and the heat dissipation efficiency is not higher than the internal heating efficiency during long-time use of the device, so as to cause the internal structure to overheat or short circuit due to high temperature, and thus the actual use effect of the device is poor. UTILITY MODEL CONTENTS
[0004] The utility model discloses a heat abstractor of closed cavity electronic module to solve the problems in the above background technology. To achieve the above object, the utility model provides the following technical scheme: the heat abstractor of closed cavity electronic module, including the closed box, the side end of closed box is fixedly installed with five heat exchange pipes, the side end of each heat exchange pipe is installed with same connecting pipe, the side end of heat exchange pipe is installed with mounting frame, the inside of mounting frame is slidably installed with two supports, the inside of each support is rotatably installed with fan blade.
[0005] Further preferably, the side end of the closed box is provided with two reserved holes, and the lower end of the closed box is fixedly installed with two fixed columns.
[0006] Further preferably, the upper end of the connecting pipe is fixedly installed with a threaded ring, and the outer surface of the threaded ring is sleeved with a top cover.
[0007] Further preferably, the side end of the mounting frame is fixedly installed with a limiting plate, the inside of the limiting plate is installed with two bolts, and the side end of the mounting frame is installed with a connecting plate.
[0008] Further preferably, the inside of the mounting frame is provided with two reserved grooves, and the mounting frame is installed on the side end of the heat exchange pipe through the cooperation of the limiting plate, the bolt and the reserved hole and the cooperation of the connecting plate and the fixed column.
[0009] Further preferably, the inside of each of the supports is fixedly provided with a supporting frame, the upper end of each of the supports is provided with a storage battery, and each of the supports is installed inside the mounting frame through cooperation with the reserved groove.
[0010] Further preferably, the inside of each of the supports is fixedly provided with a supporting frame, the upper end of each of the supports is provided with a storage battery, and each of the supports is installed inside the mounting frame through cooperation with the reserved groove.
[0011] Compared with the prior art, the present application has the advantages of:
[0012] In the present application, the heat exchange pipe and the connecting pipe are filled with cooling liquid, and the outer surface of the heat exchange pipe exchanges heat with the inside of the sealed box, and the rotating motor drives the fan blades to rotate to dissipate heat from the heat exchange pipe, so that the device can quickly dissipate heat in multiple layers during use, effectively improve the heat dissipation effect during operation, improve the use efficiency of the device, and enhance the practicality of the device.
[0013] In the present application, the heat exchange pipe and the connecting pipe are filled with cooling liquid, and the outer surface of the heat exchange pipe exchanges heat with the inside of the sealed box, and the rotating motor drives the fan blades to rotate to dissipate heat from the heat exchange pipe, so that the device can quickly dissipate heat in multiple layers during use, effectively improve the heat dissipation effect during operation, improve the use efficiency of the device, and enhance the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The sealed box structure of the present application is shown in the figure;
[0015] Figure 2 The structure of the top cover of the present application is shown in the figure;
[0016] Figure 3 The structure of the mounting frame of the present application is shown in the figure;
[0017] Figure 4 The structure of the fan blade of the present application is shown in the figure.
[0018] In the figure: 1, sealed box; 11, reserved hole; 12, fixed column; 13, heat exchange pipe; 14, connecting pipe; 15, threaded ring; 16, top cover; 2, mounting frame; 21, reserved groove; 22, limiting plate; 23, bolt; 24, connecting plate; 3, support; 31, storage battery; 32, supporting frame; 33, rotating motor; 34, rotating rod; 35, fan blade. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.
[0020] Please refer to Figures 1 to 4 The present application provides a technical scheme: a heat dissipation device for an electronic module in a sealed cavity, comprising a sealed box body 1, five heat exchange pipes 13 are fixedly installed at the side end of the sealed box body 1, a same connecting pipe 14 is installed at the side end of each heat exchange pipe 13, an installation frame 2 is installed at the side end of the heat exchange pipe 13, two supports 3 are slidingly installed in the installation frame 2, and a fan blade 35 is rotatably installed in each support 3.
[0021] In the embodiment, as shown in Figure 1 and Figure 2 , two reserved holes 11 are formed at the side end of the sealed box body 1, and two fixed columns 12 are fixedly installed at the lower end of the sealed box body 1. This structure can cooperate with subsequent parts through the fixed columns 12 installed below the sealed box body 1 and the reserved holes 11, so as to quickly connect and install the sealed box body 1 and the installation frame 2.
[0022] In the embodiment, as shown in Figure 1 and Figure 2 , a threaded ring 15 is fixedly installed at the upper end of the connecting pipe 14, and a top cover 16 is sleeved on the outer surface of the threaded ring 15. This structure can communicate the connecting pipe 14 and the heat exchange pipe 13, and facilitate the liquid import and export of the connecting pipe 14 and the heat exchange pipe 13 by cooperating with the threaded ring 15 and the top cover 16.
[0023] In the embodiment, as shown in Figure 1 and Figure 3 , a limiting plate 22 is fixedly installed at the side end of the installation frame 2, two bolts 23 are installed in the limiting plate 22, and a connecting plate 24 is installed at the side end of the installation frame 2. This structure can facilitate the connection and limiting of the bolts 23 by the limiting plate 22 installed at the side end of the installation frame 2.
[0024] In the embodiment, as shown in Figure 1 , Figure 2 and Figure 3As shown, the inside of the mounting frame 2 is provided with two reserved slots 21, the mounting frame 2 is installed at the side end of the heat exchange pipe 13 through the cooperation and connection of the limiting plate 22, the bolt 23 and the reserved hole 11 and the cooperation of the connecting plate 24 and the fixed column 12, the structure can be connected through the cooperation of the limiting plate 22, the bolt 23, the connecting plate 24, the reserved hole 11 and the fixed column 12, thereby quickly connecting and limiting the device.
[0025] In the embodiment, as shown in Figure 1 and Figure 4 , the inside of each support 3 is fixedly provided with a supporting frame 32, the upper end of each support 3 is provided with a storage battery 31, and each support 3 is installed in the inside of the mounting frame 2 through cooperation with the reserved slot 21, the structure can be powered to the rotating motor 33 through the cooperation of the storage battery 31 and the inside wiring of the supporting frame 32.
[0026] In the embodiment, as shown in Figure 1 and Figure 4 , the inside of each support 3 is fixedly provided with a supporting frame 32, the upper end of each support 3 is provided with a storage battery 31, and each support 3 is installed in the inside of the mounting frame 2 through cooperation with the reserved slot 21, the structure can be powered to the rotating motor 33 through the cooperation of the storage battery 31 and the inside wiring of the supporting frame 32.
[0027] The use method and advantages of the utility model are as follows:
[0028] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, first, the user uses the device, the user holds the closed box 1, installs two fixed columns 12 below the closed box 1, installs five heat exchange pipes 13 on the side end of the closed box 1, each heat exchange pipe 13 is provided with a connecting pipe 14 on the side end, a threaded ring 15 is installed above the connecting pipe 14, a top cover 16 is installed on the outer surface of the threaded ring 15, then hold the installation frame 2, install the limiting plate 22 on the side end of the installation frame 2, install two bolts 23 inside the limiting plate 22, install the connecting plate 24 on the side end of the installation frame 2, then install the assembled installation frame 2 along the limiting plate 22, the bolt 23 and the reserved hole 11 opened on the side end of the closed box 1, the connecting plate 24 is connected with the fixed column 12, then hold the bracket 3, install the support frame 32 inside the bracket 3, install the storage battery 31 above the bracket 3, install the rotating motor 33 inside the support frame 32, install the rotating rod 34 on the side end of the rotating motor 33, install the fan blade 35 on the outer surface of the rotating rod 34, then assemble two brackets 3, install each bracket 3 along the two reserved slots 21 opened in the installation frame 2, when the user needs to use the device, the user rotates the top cover 16 to separate the top cover 16 from the threaded ring 15, then inject cooling liquid into the connecting pipe 14 and the heat exchange pipe 13, then start the rotating motor 33, the rotating motor 33 extracts power from the storage battery 31, then drives the rotating rod 34 to rotate, the rotating rod 34 rotates and drives the fan blade 35 to rotate, thereby separating the air at the heat exchange pipe 13, so that the heat exchange pipe 13 can exchange heat with the inside of the closed box 1 in use, and the cooling liquid is cooled once, when the cooling liquid gradually rises, the rotating motor 33 and the fan blade 35 are used to exhaust air, drive air circulation and cool the device twice, improve the use efficiency of the device.
[0029] The basic principle, main characteristics and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above examples, the above examples and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A heat sink for a closed cavity electronics module comprising a closed housing (1), characterised in that: The side end of the closed box body (1) is fixedly provided with five heat exchange pipes (13), the side end of each heat exchange pipe (13) is provided with a same connecting pipe (14), the side end of the heat exchange pipe (13) is provided with a mounting frame (2), the inside of the mounting frame (2) is slidably provided with two supports (3), and the inside of each support (3) is rotatably provided with a fan blade (35).
2. The closed cavity electroncis module heat sink of claim 1, wherein: The side end of the closed box body (1) is provided with two reserved holes (11), and the lower end of the closed box body (1) is fixedly provided with two fixed columns (12).
3. The closed cavity electroncis module heat sink of claim 1, wherein: The upper end of the connecting pipe (14) is fixedly provided with a threaded ring (15), and the outer surface of the threaded ring (15) is sleeved with a top cover (16).
4. The closed cavity electroncis module heat sink of claim 2, wherein: The side end of the mounting frame (2) is fixedly provided with a limiting plate (22), the inside of the limiting plate (22) is provided with two bolts (23), and the side end of the mounting frame (2) is provided with a connecting plate (24).
5. The closed cavity electronica module heat sink of claim 4, wherein: The inside of the mounting frame (2) is provided with two reserved grooves (21), and the mounting frame (2) is mounted on the side end of the heat exchange pipe (13) through the cooperation of the limiting plate (22), the bolt (23) and the reserved hole (11) and the cooperation of the connecting plate (24) and the fixed column (12).
6. The closed cavity electroncis module heat sink of claim 5, wherein: The inside of each support (3) is fixedly provided with a support frame (32), the upper end of each support (3) is provided with a storage battery (31), and each support (3) is mounted in the inside of the mounting frame (2) through cooperation with the reserved groove (21).
7. The closed cavity electroncis module heat sink of claim 6, wherein: The inside of each support frame (32) is provided with a rotating motor (33), each rotating motor (33) is connected with the storage battery (31), the side end of each rotating motor (33) is rotatably provided with a rotating rod (34), and the outer surface of each rotating rod (34) is sleeved with a fan blade (35).