Dustproof air cooling structure

By designing movable interlocking filter groups and dust collection tanks in the dustproof and air-cooled structure, the problem of difficult cleaning of multi-layer filter screens is solved, and the heat dissipation efficiency and reliability of the equipment are improved.

CN223965673UActive Publication Date: 2026-03-03CHENGDU HUACHUANG ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

In existing dustproof air-cooled structures, the multi-layered filters are difficult to clean, causing dust to accumulate in the mesh, hindering airflow, reducing heat dissipation efficiency, and large particles of impurities can easily enter the equipment and affect its use.

Method used

Design a dustproof air-cooled structure including a first air duct, a second air duct, a filter assembly, and a dust collection tank. The filter assembly is movably engaged by a fixed frame for easy cleaning, and the dust collection tank is used to collect large particulate impurities to prevent them from entering the equipment.

Benefits of technology

It effectively prevents dust accumulation on the filter from affecting heat dissipation efficiency, avoids large particles of impurities from entering the equipment, and maintains the normal operation of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a dustproof air cooling structure which comprises an air channel, the air channel comprises a first air channel and a second air channel, one end of the first air channel is an air outlet, the other end of the first air channel is an air inlet, one end of the second air channel is provided with heat dissipation fins, the other end of the second air channel is provided with a filter screen set, and the filter screen set is connected to the outer side of the air inlet in a sealed mode. Wherein the bottom of the second air duct is hollowed out and detachably connected with a dust collecting groove, when large-particle impurities fall off from a filter screen, the large-particle impurities can fall into the dust collecting groove, and the situation that the impurities fall into equipment and affect use of the equipment is avoided; the filter screen group comprises a plurality of layers of filter screens and a fixed frame; the fixing frame is a square hollow frame with an opening in one side, the two ends of a plate frame of the fixing frame are clamped to ports of the first air duct and the second air duct in a sealed mode respectively, a plurality of clamping grooves are evenly formed in the inner side of the plate frame of the fixing frame, and a frame of the filter screen is clamped with the clamping grooves in a matched mode, so that the filter screen can be pulled and taken down, cleaning treatment on the filter screen is facilitated, and the service life of the filter screen is prolonged. And the influence of dust accumulated on the filter screen on the heat dissipation efficiency is prevented.
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Description

Technical Field

[0001] This utility model relates to the field of heat dissipation technology, and in particular to a dustproof air-cooling structure. Background Technology

[0002] Currently, heat dissipation is a crucial factor in ensuring the normal operation and lifespan of electronic and mechanical equipment. Air cooling is a common and widely used heat dissipation method, which works by using airflow to remove the heat generated during equipment operation.

[0003] In traditional air-cooled structures, simple dustproof measures are typically implemented to prevent dust and other impurities from entering the equipment. For example, some devices have a single-layer filter at the air inlet. However, the dustproof effect of such filters is limited, and they are insufficient to block fine particles. After prolonged use, dust will still enter the air duct and the equipment in large quantities. Some existing more complex dustproof air-cooled structures use multi-layered filters, which improves dustproof performance to some extent. However, these multi-layered filters are difficult to clean. With increasing usage time, dust accumulates on the filters, causing the mesh size to gradually decrease, thus obstructing airflow, reducing heat dissipation efficiency, and even allowing large particles to fall into the air duct and into the equipment, affecting its operation.

[0004] Therefore, it is necessary to propose a dustproof, air-cooled structure to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a dustproof air-cooling structure to solve the problems mentioned in the background art regarding some of the more complex existing dustproof air-cooling structures. These structures use a multi-layer filter stacking method, which improves the dustproof effect to a certain extent. However, the multi-layer filter is difficult to clean. As the usage time increases, dust accumulates on the filter, causing the mesh of the filter to gradually become smaller, thus hindering air circulation, reducing heat dissipation efficiency, and even causing large particles of impurities to fall into the air duct and equipment, affecting the use of the equipment.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A dustproof, air-cooled structure, including an air duct;

[0008] The air duct includes a first air duct and a second air duct. One end of the first air duct is an air outlet and the other end is an air inlet. One end of the second air duct is provided with heat dissipation fins and the other end is provided with a filter screen assembly. The filter screen assembly is sealed and connected to the outside of the air inlet.

[0009] The bottom of the second air duct is hollowed out and detachably connected to a dust collection tank;

[0010] The filter assembly includes a filter screen and a fixing frame. The filter screen has multiple layers. The fixing frame is a square hollow frame with an opening on one side. Its two ends are sealed and engaged with the ports of the first air duct and the second air duct, respectively. The inner side of the fixing frame is evenly provided with multiple slots, and the frame of the filter screen is adapted to engage with the slots.

[0011] Preferably, the mesh size of the multi-layered filter gradually decreases from the side away from the air inlet to the side closer to the air inlet.

[0012] Preferably, the base plate of the fixed frame extends outward from the opening, and one or more first grooves are formed on the plate extending outward from the base plate along the width direction. A stop block is elastically connected in the first groove, and the stop block is adapted to the first groove.

[0013] Preferably, a baffle is provided at the opening of the fixing frame in the vertical direction, and sealing gaskets are provided on the outer side of the baffle and at the top end of the fixing frame.

[0014] Preferably, the second side of the filter extends to both sides and the top, and the extended portions on both sides and the top can respectively engage with the outer side of the baffle and the top end of the fixed frame.

[0015] Preferably, a pull part is provided on the second side.

[0016] Preferably, the dust collection trough is made of an elastic material, and has snap-fit ​​parts on its opposite sides, with protrusions on the inner side of the snap-fit ​​parts.

[0017] Preferably, the second air duct has second grooves on both sides that are adapted to the protrusion.

[0018] Preferably, a cooling fan is provided on the air outlet.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. A filter screen assembly is installed on the outside of the air inlet, and the filter screen is movable and locked in the fixed frame. The filter screen can be pulled out and cleaned, which effectively prevents the dust accumulated on the filter screen from affecting the heat dissipation efficiency.

[0021] 2. A dust collection trough is installed below the filter assembly on the side furthest from the air inlet. When large particles of impurities fall from the filter, they can fall into the dust collection trough, preventing them from falling into the air duct and equipment and affecting the use of the equipment. Since the dust collection trough is detachably connected to the second air duct, it can be removed and cleaned of impurities before being reinstalled on the second air duct, preventing excessive impurities in the dust collection trough from overflowing into the air duct and equipment. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0024] Figure 2 This is a partial structural schematic diagram of the filter assembly provided in an embodiment of the present utility model;

[0025] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0026] Figure 4 This is a schematic diagram of the structure of the dust collection tank provided in an embodiment of the present utility model.

[0027] Figure label:

[0028] 10. Air duct; 101. First air duct; 102. Second air duct; 1021. Second groove;

[0029] 20. Heat dissipation fins;

[0030] 30. Filter assembly; 301. Filter; 3011. First side; 3012. Second side; 3013. Pull-out part; 302. Fixing frame; 3021. Slot; 3022. First groove;

[0031] 40. Dust collection trough; 401. Snap-fit ​​part; 4011. Protrusion;

[0032] 50. Stop;

[0033] 60. Baffle. Detailed Implementation

[0034] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0035] In the description of this utility model, it should be understood that the terms "width", "upper", "lower", "vertical", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used to facilitate the description of this utility model and to simplify 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. Therefore, they should not be construed as limitations on this utility model.

[0036] 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.

[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between 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.

[0038] The following disclosure provides many different embodiments or examples for implementing various structures of this invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0039] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0040] like Figures 1-3As shown, this utility model embodiment provides a dustproof air-cooled structure, including an air duct 10, which includes a first air duct 101 and a second air duct 102. One end of the first air duct 101 is an air outlet and the other end is an air inlet. One end of the second air duct 102 is provided with heat dissipation fins 20 and the other end is provided with a filter group 30, which is sealed and connected to the outside of the air inlet.

[0041] Among them, the bottom of the second air duct 102 is hollowed out and detachably connected to a dust collection groove 40;

[0042] The filter assembly 30 includes a filter 301 and a fixing frame 302. The filter 301 has multiple layers to improve the dustproof effect. The fixing frame 302 is a square hollow frame with an opening on one side. Its two ends are respectively sealed and locked onto the ports of the first air duct 101 and the second air duct 102. Multiple slots 3021 are evenly opened on the inner side of the fixing frame 302. The frame of the filter 301 is adapted to and locked into the slots 3021.

[0043] Specifically, the inner sides of the side plate and top plate of the fixing frame 302 are evenly provided with a plurality of interconnected slots 3021, and the first side 3011 and top edge of the filter screen 301 are adapted to engage with the slots 3021.

[0044] To further improve the dustproof effect, the mesh size of the multi-layer filter 301 gradually decreases from the side away from the air inlet to the side closer to the air inlet, thereby effectively blocking dust and impurities of different particle sizes from entering the air duct 10.

[0045] During use, the heat generated by the equipment is transferred to the heat dissipation fins 20 through heat conduction. As the cooling air flows in the air duct 10, it comes into full contact with the heat dissipation fins 20, thereby carrying away the heat on the heat dissipation fins 20 and thus achieving heat dissipation.

[0046] Since the filter screen 301 is movably engaged within the fixed frame 302, it can be pulled out for cleaning, effectively preventing dust accumulation on the filter screen 301 from affecting heat dissipation efficiency. A dust collection trough 40 is provided below the filter assembly 30 on the side furthest from the air inlet. When large particles fall from the filter screen 301, they can fall into the dust collection trough 40, preventing large particles from falling into the air duct 10 and the equipment and affecting its use. Since the dust collection trough 40 is detachably connected to the second air duct 102, after removing the dust collection trough 40 and cleaning the impurities inside, it can be reinstalled on the second air duct 102, preventing excessive impurities in the dust collection trough 40 from overflowing into the air duct and the equipment.

[0047] After the filter screen 301 is engaged in the fixed frame 302, in order to prevent the filter screen 301 from loosening, the bottom plate of the fixed frame 302 extends outward from the opening, and one or more first grooves 3022 are provided on the plate extending outward along the width direction. A stop block 50 is elastically connected in the first groove 3022, and the stop block 50 is adapted to the first groove 3022. In this embodiment, the stop block 50 is connected in the first groove 3022 by a spring, and in order to ensure the blocking ability of the stop block 50, the height of the spring must be lower than the height of the first groove 3022.

[0048] When the filter screen 301 is pushed into the fixed frame 302 along the slot 3021, the stop block 50 is compressed by the pressure, so that the stop block 50 is housed in the first groove 3022, allowing the filter screen 301 to successfully enter the fixed frame 302. At this time, the spring returns to its original position, and the stop block 50 partially pops out of the first groove 3022 to block the filter screen 301.

[0049] To further limit the position of the filter screen 301, a baffle 60 is provided at the opening of the fixing frame 302 in the vertical direction. Sealing gaskets are provided on the outer side of the baffle 60 and the top end of the fixing frame 302 to ensure the sealing between the filter screen 301 and the fixing frame 302.

[0050] Specifically, the second side 3012 of the filter screen 301 extends to both sides and the top, and the extended parts on both sides and the top can be respectively engaged with the outer side of the baffle 60 and the top end of the fixed frame 302, thereby further ensuring the sealing between the filter screen 301 and the fixed frame 302.

[0051] To facilitate the pulling of the filter 301, a pulling part 3013 is provided on the second side 3012; in this embodiment, the pulling part 3013 on the multi-layer filter 301 is offset to facilitate gripping the pulling part 3013.

[0052] Since the dust collection trough 40 and the second air duct 102 are detachably connected, for easy installation and removal, such as Figure 4 As shown, the dust collection trough 40 is made of elastic material, and has snap-fit ​​parts 401 on its opposite sides. The snap-fit ​​parts 401 have protrusions 4011 on their inner sides, and the second air duct 102 has second grooves 1021 on both sides that are adapted to the protrusions 4011. The dust collection trough 40 can be fixed by snapping the protrusions 4011 on both sides into the second grooves 1021.

[0053] In addition, cooling fans are installed on the air outlets to accelerate airflow and thus improve heat dissipation efficiency.

[0054] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A dustproof air-cooled structure, comprising an air duct (10), characterized in that: The air duct (10) includes a first air duct (101) and a second air duct (102). One end of the first air duct (101) is an air outlet and the other end is an air inlet. One end of the second air duct (102) is provided with heat dissipation fins (20) and the other end is provided with a filter group (30). The filter group (30) is sealed and connected to the outside of the air inlet. The bottom of the second air duct (102) is hollowed out and detachably connected to a dust collection trough (40). The filter assembly (30) includes a filter (301) and a fixing frame (302). The filter (301) has multiple layers. The fixing frame (302) is a square hollow frame with an opening on one side. Its two ends are respectively sealed and engaged with the ports of the first air duct (101) and the second air duct (102). The inner side of the fixing frame (302) is evenly provided with multiple slots (3021). The edge of the filter (301) is adapted to engage with the slots (3021).

2. The dustproof air-cooled structure according to claim 1, characterized in that: The mesh size of the multi-layered filter (301) gradually decreases from the side away from the air inlet to the side closer to the air inlet.

3. The dustproof air-cooled structure according to claim 1, characterized in that: The base plate of the fixed frame (302) extends outward from the opening, and one or more first grooves (3022) are provided on the plate body extending outward along the width direction. A stop block (50) is elastically connected in the first groove (3022), and the stop block (50) is adapted to the first groove (3022).

4. The dustproof air-cooled structure according to claim 1, characterized in that: The opening of the fixed frame (302) is provided with a baffle (60) in the vertical direction, and a sealing gasket is provided on the outer side of the baffle (60) and the top end of the fixed frame (302).

5. The dustproof air-cooled structure according to claim 4, characterized in that: The second side (3012) of the filter (301) extends to both sides and the top, and the extended parts on both sides and the top can respectively engage with the outer side of the baffle (60) and the top end of the fixing frame (302).

6. The dustproof air-cooled structure according to claim 5, characterized in that: A pull part (3013) is provided on the second side (3012).

7. The dustproof air-cooled structure according to claim 1, characterized in that: The dust collection trough (40) is made of elastic material and has snap-fit ​​parts (401) on its opposite sides. The snap-fit ​​parts (401) have protrusions (4011) on their inner sides.

8. The dustproof air-cooled structure according to claim 7, characterized in that: The second air duct (102) has a second groove (1021) on both sides that is adapted to the protrusion (4011).

9. The dustproof air-cooled structure according to claim 1, characterized in that: A cooling fan is installed on the air outlet.