Novel air-cooled sealed case structure

By setting up an intermediate air duct and a fan that automatically adjusts the air volume in the air-cooled sealed chassis, the problem that the existing chassis cannot meet the high power dissipation and achieve uniform heat dissipation of all PCBA boards and the reliability of the chassis.

CN223123415UActive Publication Date: 2025-07-18HUNAN AEROSPACE JIECHENG ELECTRONIC EQUIP CO LTD
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Patent Information

Application Number
CN202422025476.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-07-18
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

Due to the volume limitation of the existing air-cooled sealed chassis, the air duct can only be achieved with the left and right, which cannot meet the heat dissipation needs of high-power chips.

Method used

A new type of air-cooled sealed chassis structure is designed, including the front side panel, the rear side panel, the left side panel, the right side panel, the upper cover panel and the lower cover panel, forming a six-sided sealed chassis, and an intermediate air duct is set in the internal support. The fan continuously blows air from the rear side to multiple air ducts, and automatically adjusts the air volume with the temperature sensor.

Benefits of technology

It realizes uniform heat dissipation of all PCBA boards in the sealed chassis, meets normal operation in high-power environments, and maintains the reliability and heat dissipation effect of the chassis.

✦ Generated by Eureka AI based on patent content.

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Abstract

A novel air-cooled sealed case structure comprises a sealed case, an internal supporting piece and a fan. The sealed case comprises a front side plate, a rear side plate, a left side plate, a right side plate, an upper cover plate and a lower cover plate, and the six different plates are mutually connected in the front, rear, left, rear, upper and lower directions to form the sealed case; a front-side air duct, a left-side air duct and a right-side air duct are respectively formed in the inner sides of the front-side plate, the left-side plate and the right-side plate; the internal supporting piece is installed in the sealed case and used for supporting the PCBA boards, a middle air duct, a left air duct and a right air duct are formed in the middle of the internal supporting piece, and the front side of the middle air duct is communicated through the front air duct; the fan is erected on the rear side face of the sealed case and used for continuously blowing air to the rear sides of the left air duct, the right air duct and the middle air duct. The case effectively solves the problem that a PCBA board in an existing case can only dissipate heat at the left edge and the right edge and cannot meet the requirement for high-power-consumption heat dissipation, and the heat dissipation effect is better.
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Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation chassis equipment, and particularly relates to a new type of air-cooled sealed chassis structure. Background Art

[0002] The existing air-cooled sealed chassis uses a heat conduction method for heat dissipation, transferring the heat of the chip to the air ducts on the left and right sides of the chassis, and then using forced air cooling to discharge the heat outside the chassis. Due to volume limitations, there can only be two air ducts on the left and right, which cannot meet the heat dissipation requirements of all circuit boards in the chassis. With the rapid development of chip manufacturing technology, the heat generation of chips is increasing, and the heat density of the chassis is getting higher and higher. The traditional air-cooled sealed chassis cannot meet the heat dissipation requirements. Content of the Utility Model

[0003] The utility model provides a new type of air-cooled sealed chassis structure to solve the technical problems mentioned in the background art.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] The utility model provides a new type of air-cooled sealed chassis structure, including:

[0006] A sealed chassis, including a front side plate, a rear side plate, a left side plate, a right side plate, an upper cover plate and a lower cover plate. The six different plates are connected to each other in six different directions of front, rear, left, right, up and down to form a sealed chassis; front side air ducts, left side air ducts and right side air ducts are respectively formed on the inner sides of the front side plate, the left side plate and the right side plate;

[0007] An internal support member, installed in the sealed chassis for supporting multiple PCBA boards. An intermediate air duct is formed in the middle of the internal support member, and the front sides of the left side air duct, the right side air duct and the intermediate air duct are connected through the front side air duct;

[0008] A fan, installed on the rear side of the sealed chassis, for continuously blowing air to the rear sides of the left side air duct, the right side air duct and the intermediate air duct.

[0009] Further, the sealed chassis further includes a front panel, which is fixedly installed on the front side of the sealed chassis for arranging control components.

[0010] Further, the internal support member includes a cross-shaped support frame and a bottom plate fixedly installed at the bottom of the cross-shaped support frame. The cross-shaped support frame is fixedly installed between the left side plate and the right side plate, and the bottom plate is fixedly installed on the lower cover plate.

[0011] Further, the cross-shaped support frame includes a first support plate arranged in the front-rear direction and two second support plates symmetrically installed in the middle of the first support plate. The intermediate air duct is opened on the inner side of the first support plate.

[0012] Further, slots for externally plugging in multiple PCBA boards are provided on both of the two second support plates, the front side plate, and the rear side plate.

[0013] Further, ventilation slots are provided on the two second support plates to allow the front and rear cavities of the cross-shaped support frame to communicate with each other.

[0014] Further, a temperature sensor is installed inside the sealed chassis. The temperature sensor is electrically connected to one of the PCBA boards and the fan, so that the fan can automatically adjust its rotation speed according to the temperature inside the sealed chassis, thereby controlling the air volume in each air duct.

[0015] Further, connecting parts are formed at the bottoms of the left side plate and the right side plate, so that the sealed chassis is fixedly installed on an external device through the connecting parts.

[0016] Further, a plurality of first weight-reducing slots are provided on the surface of the lower cover plate.

[0017] Further, second weight-reducing slots are provided on the surfaces of the front side plate and the rear side plate.

[0018] Advantages of the present utility model:

[0019] The present utility model provides a new air-cooled sealed chassis structure. The inside of the sealed chassis is airtight, which can meet the use environment with high heat density. Each cavity in the sealed chassis is provided with two air ducts, which can evenly dissipate heat from all the internal PCBA boards, ensuring the normal operation of the sealed chassis in a harsh environment with sealing requirements and high power consumption, and maintaining its reliability. The internal layout of the sealed chassis is symmetrical, maximizing the internal space of the sealed chassis. At the same time, all PCBA boards can dissipate heat quickly, effectively solving the problem that the PCBA boards in the existing chassis can only dissipate heat from the left and right edges and cannot meet the high-power heat dissipation requirements. Description of the drawings

[0020] Figure 1 is an exploded view of the present utility model;

[0021] Figure 2 is the layout diagram of each air duct in the present utility model.

[0022] Description of the reference numerals:

[0023] 1. Front side plate; 11. Front side air duct;

[0024] 2. Rear side plate;

[0025] 3. Left side plate; 31. Left side air duct; 32. Connecting part;

[0026] 4. Right side plate; 41. Right side air duct;

[0027] 5. Upper cover plate;

[0028] 6. Lower cover plate;

[0029] 7. Cross-shaped support frame; 71. First support plate; 711. Intermediate air duct; 72. Second support plate;

[0030] 8. Bottom plate;

[0031] 9. Fan;

[0032] 10. Front panel;

[0033] 11. Front side air duct. Detailed implementation manner

[0034] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are given in the drawings. However, the present utility model can be implemented in many other different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present utility model more thorough and comprehensive.

[0035] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0036] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0037] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this utility model belongs. The terms used in the description of this utility model herein are for the purpose of describing specific embodiments only and are not intended to limit this utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0039] It should also be noted that in the embodiments of this application, the same reference numerals are used to represent the same components or the same parts. For the same parts in the embodiments of this application, only one of the parts or components may be marked with a reference numeral in the figure. It should be understood that the reference numerals are equally applicable to other identical parts or components.

[0040] Refer to Figure 1 , the embodiments of this application provide a new type of air-cooled sealed chassis structure, including:

[0041] A sealed chassis, including a front side plate 1, a rear side plate 2, a left side plate 3, a right side plate 4, an upper cover plate 5, and a lower cover plate 6. The six different plates are connected to each other in six different directions of front, back, left, right, up, and down to form a sealed chassis; on the inner sides of the front side plate 1, the left side plate 3, and the right side plate 4, a front side air duct 11, a left side air duct 31, and a right side air duct 41 are respectively formed;

[0042] An internal support member, installed inside the sealed chassis, used to support multiple PCBA boards. An intermediate air duct 711 is formed in the middle of the internal support member. The front sides of the left side air duct 31, the right side air duct 41, and the intermediate air duct 711 communicate through the front side air duct 11; multiple PCBA boards are installed inside the sealed chassis to protect the internal PCBA boards from the influence of harsh environments;

[0043] A fan 9, installed on the rear side of the sealed chassis, used to continuously blow air to the rear sides of the left side air duct 31, the right side air duct 41, and the intermediate air duct 711.

[0044] In some embodiments, the sealed chassis further includes a front panel 10, and the front panel 10 is fixedly installed on the front side of the sealed chassis for arranging control components.

[0045] In some embodiments, the front side plate 1, the rear side plate 2, the left side plate 3, the right side plate 4, the upper cover plate 5, the lower cover plate 6, and the front panel 10 in the sealed chassis are all made of materials with high thermal conductivity coefficients such as aluminum alloy or copper.

[0046] In some embodiments, the internal support member includes a cross-shaped support frame 7 and a bottom plate 8 fixedly installed at the bottom of the cross-shaped support frame 7. The cross-shaped support frame 7 is fixedly installed between the left side plate 3 and the right side plate 4, and the bottom plate 8 is fixedly installed on the lower cover plate 6.

[0047] In this embodiment, the interior of the sealed chassis is divided into multiple cavities by a cross-shaped support frame 7. Multiple PCBA boards are evenly distributed into multiple cavities, and each cavity has two air ducts, which can meet the heat dissipation requirements of all the internal PCBA boards and has a better heat dissipation effect.

[0048] In some embodiments, the number of the PCBA boards is eight, which are respectively Figure 2 PCBA Board 1 to PCBA Board 8 in

[0049] PCBA Board 1 to PCBA Board 8 are evenly distributed in four cavities inside the sealed chassis, and two PCBA boards are installed in each cavity.

[0050] In some embodiments, two slots for externally connecting multiple PCBA boards are opened on both of the second support plates 72 and the front side plate 1 and the rear side plate 2.

[0051] In some embodiments, ventilation slots are opened on the two second support plates 72 to make the front and rear cavities of the cross-shaped support frame 7 communicate with each other.

[0052] In some embodiments, a temperature sensor is installed inside the sealed chassis. The temperature sensor is electrically connected to one of the PCBA boards and the fan 9, so that the fan 9 can automatically adjust its rotation speed according to the temperature inside the sealed chassis, thereby controlling the air volume in each air duct.

[0053] In some embodiments, connection parts 32 are formed at the bottoms of the left side plate 3 and the right side plate 4, so that the sealed chassis is fixedly installed on an external device through the connection parts 32.

[0054] In some embodiments, a plurality of first weight reduction grooves are opened on the surface of the lower cover plate 6 to reduce the product quality.

[0055] In some embodiments, second weight reduction grooves are opened on the surfaces of the front side plate 1 and the rear side plate 2 to reduce the product quality.

[0056] The utility model provides a novel air-cooled sealed chassis structure. The inside of the sealed chassis is airtight, which can meet the use environment with high heat density. Each cavity in the sealed chassis is provided with two air ducts, so that all the PCBA boards inside can be evenly cooled, ensuring the normal operation of the sealed chassis in a harsh environment with sealing requirements and high power consumption, and maintaining its reliability. The internal layout of the sealed chassis is symmetrical, maximizing the internal space of the sealed chassis. At the same time, all the PCBA boards can dissipate heat quickly, effectively solving the situation that the PCBA boards in the existing chassis can only dissipate heat from the left and right edges and cannot meet the high-power heat dissipation requirements.

[0057] The above is only the specific implementation manner of the utility model, but the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the utility model. Moreover, the technical solutions between various embodiments of the utility model can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions appears to be contradictory or unable to be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the utility model. Therefore, the protection scope of the utility model shall be subject to the protection scope of the claims.

Claims

1. A new type of air-cooled sealed chassis structure, characterized in that, Comprising: A sealed chassis, including a front side plate (1), a rear side plate (2), a left side plate (3), a right side plate (4), an upper cover plate (5) and a lower cover plate (6). The six different plates are connected to each other along six different directions of front, rear, left, right, up and down to form a sealed chassis. Front side air ducts (11), left side air ducts (31) and right side air ducts (41) are respectively formed on the inner sides of the front side plate (1), the left side plate (3) and the right side plate (4). Internal supports, installed inside the sealed chassis, used to support multiple PCBA boards. An intermediate air duct (711) is formed in the middle of the internal supports. The front sides of the left side air duct (31), the right side air duct (41) and the intermediate air duct (711) communicate through the front side air duct (11). A fan (9), mounted on the rear side surface of the sealed chassis, used to continuously blow air towards the rear sides of the left side air duct (31), the right side air duct (41) and the intermediate air duct (711).

2. The air-cooled sealed chassis structure according to claim 1, wherein The sealed chassis further includes a front panel (10), and the front panel (10) is fixedly installed on the front side of the sealed chassis for arranging control components.

3. The air-cooled sealed chassis structure according to claim 1, characterized in that, The internal supports include a cross-shaped support frame (7) and a bottom plate (8) fixedly installed at the bottom of the cross-shaped support frame (7). The cross-shaped support frame (7) is fixedly installed between the left side plate (3) and the right side plate (4), and the bottom plate (8) is fixedly installed on the lower cover plate (6).

4. The air-cooled sealed chassis structure according to claim 3, characterized in that, The cross-shaped support frame (7) includes a first support plate (71) arranged in the front-rear direction and two second support plates (72) symmetrically installed in the middle of the first support plate (71). The intermediate air duct (711) is opened on the inner side of the first support plate (71).

5. The air-cooled sealed chassis structure according to claim 4, characterized in that, Card slots for externally connecting multiple PCBA boards are opened on both of the two second support plates (72), the front side plate (1) and the rear side plate (2).

6. The air-cooled sealed chassis structure according to claim 4, wherein Ventilation slots are opened on the two second support plates (72) to make the front and rear cavities of the cross-shaped support frame (7) communicate with each other.

7. The air-cooled sealed chassis structure according to claim 1, characterized in that, A temperature sensor is installed inside the sealed chassis. The temperature sensor is electrically connected to one of the PCBA boards and the fan (9) so that the fan (9) can automatically adjust its rotation speed according to the temperature inside the sealed chassis, thereby controlling the air volume in each air duct.

8. The air-cooled sealed chassis structure according to claim 1, characterized in that Connection parts (32) are respectively formed at the bottoms of the left side plate (3) and the right side plate (4) so that the sealed chassis is fixedly installed on an external device through the connection parts (32).

9. The air-cooled sealed chassis structure according to claim 1, characterized in that, A plurality of first weight-reducing grooves are opened on the surface of the lower cover plate (6).

10. The air-cooled sealed chassis structure according to any one of claims 1 to 9, characterized in that, Second weight-reducing grooves are opened on the surfaces of the front side plate (1) and the rear side plate (2).