Heat exchange aluminum flat tube with flow choking interlayer

By setting flow-blocking baffles and flow-blocking extension plates inside the aluminum flat tube, the fluid flow path is optimized, solving the problem of low heat exchange efficiency of traditional aluminum flat tubes and achieving more efficient heat exchange and structural stability.

CN223580752UActive Publication Date: 2025-11-21LONGQUAN SHUANGZHEN ALUMINUM
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423133622.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-21
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

The heat exchange chamber of traditional aluminum flat tubes has a simple flow path, resulting in a limited contact area between the coolant and the inner wall of the heat exchanger, making it difficult to achieve efficient heat exchange.

Method used

The heat exchange aluminum flat tube with flow-blocking baffles is designed, and the flow-blocking baffles with curved serpentine plate structure and inclined flow-blocking extension plates are used to increase the fluid path length and optimize the flow characteristics, so as to ensure uniform fluid distribution and sufficient heat exchange.

Benefits of technology

It significantly improves heat exchange efficiency, enhances structural stability and pressure resistance, reduces eddies and turbulence, lowers noise and energy consumption, and improves heat exchange performance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223580752U_ABST
    Figure CN223580752U_ABST
Patent Text Reader

Abstract

The utility model provides a heat exchange aluminum flat tube with flow choking partition layers, which comprises a hollow flat tube, a clamping head and a fixing head are respectively clamped and fixed at two ends of the inside of the hollow flat tube, openings are respectively arranged on the clamping head and the fixing head in a penetrating manner, and the openings are arranged corresponding to a heat exchange flow choking cavity formed by two flow choking partition plates. A plurality of flow choking partition plates are arranged, one ends of the flow choking partition plates are fixedly installed on the fixing head, the other ends of the flow choking partition plates and the clamping head are clamped together, and each flow choking partition plate is provided with a plurality of flow choking extension plates; according to the utility model, the heat exchange efficiency is obviously improved. The flow blocking partition plates effectively prevent fluid short circuit, and the snakelike structure prolongs the fluid path and increases the contact time. The flow stopping extension plates guide the fluid to be evenly distributed, and the heat exchange effect is enhanced. In addition, the structures further enhance the stability and the loading capacity of the pipe and disperse the fluid pressure. The inclined flow choking extension plate optimizes fluid flow, reduces vortex and turbulent flow, reduces noise and energy consumption, and enables fluid flow to be orderly and controllable.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of heat exchange flat tube technology, and particularly relates to a heat exchange aluminum flat tube with a flow-blocking partition. Background Technology

[0002] Aluminum flat tubes, also known as "parallel flow aluminum flat tubes," are thin-walled, porous, flat tubular materials made from high-quality refined aluminum rods through a precise hot extrusion process and treated with zinc spraying for corrosion protection. They are primarily used as piping components to carry new environmentally friendly refrigerants and are widely applied in modern air conditioning systems. Inside the microchannel aluminum flat tube, carefully designed refrigerant flow channels ensure effective circulation of the refrigerant within the air conditioning system or heat exchanger, thereby achieving heat exchange.

[0003] However, the heat exchange chambers (or channels) formed by traditional aluminum flat tubes often have relatively simple flow paths and lack sufficient path extension design. This results in a limited contact area between the coolant and the inner wall of the heat exchanger when the coolant flows within the heat exchange chamber, making it difficult to achieve efficient heat exchange.

[0004] Therefore, it is essential to invent a heat exchange aluminum flat tube with a flow-blocking barrier. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a heat exchange aluminum flat tube with a flow-blocking baffle, including a hollow flat tube, a clamping connector, a fixing head, an opening, a flow-blocking baffle, and a flow-blocking extension plate. The clamping connector and the fixing head are respectively clamped and fixed at both ends of the hollow flat tube. Both the clamping connector and the fixing head have through openings, which are arranged to correspond to the heat exchange flow-blocking cavity formed by the two flow-blocking baffles. A plurality of flow-blocking baffles are provided. One end of each flow-blocking baffle is fixedly installed on the fixing head, and the other end is clamped together with the clamping connector. Each flow-blocking baffle is provided with a plurality of flow-blocking extension plates.

[0006] Preferably, the snap-fit ​​connector and the fixing head have the same shape, and the inner surface of the snap-fit ​​connector, that is, the side located at the opening, is provided with a snap-fit ​​groove corresponding to the end of the flow-blocking baffle.

[0007] Preferably, the flow-blocking baffle is a curved serpentine plate structure, but the two ends of the flow-blocking baffle are straight ends, the two ends of the flow-blocking baffle are parallel to each other, and the area between the two flow-blocking baffles is a heat exchange flow-blocking cavity.

[0008] Preferably, the liquid is allowed to enter the heat exchange choke chamber formed by the flow-blocking baffle through the opening of the clamping head, and then discharged outside through the opening of the fixing head.

[0009] Preferably, the flow blocking extension plates are arranged at the crests of the flow blocking baffle plates and not at the troughs of the flow blocking baffle plates, and are located on both sides of the heat exchange flow blocking cavity for blocking and guiding the liquid.

[0010] Preferably, the flow blocking extension plates are arranged in an inclined manner, and are inclined towards the direction of the liquid flow.

[0011] Compared with the prior art, the heat exchange aluminum flat tube with the flow blocking baffle plates and the flow blocking extension plates has the following beneficial effects:

[0012] The heat exchange aluminum flat tube with the flow blocking baffle plates and the flow blocking extension plates significantly improves the heat exchange efficiency. By arranging the flow blocking baffle plates and the flow blocking extension plates, the short circuit flow of the fluid in the tube is effectively prevented, and the fluid is ensured to flow through the heat exchange area fully. Meanwhile, the flow blocking baffle plates in a serpentine structure increase the path length of the fluid and prolong the contact time of the fluid with the tube wall, thereby improving the heat exchange efficiency. In addition, the flow blocking extension plates are located on both sides of the heat exchange flow blocking cavity and can block and guide the uniform distribution of the fluid, further enhancing the heat exchange effect. This design not only optimizes the heat exchange performance, but also enhances the structural stability and pressure bearing capacity of the heat exchange aluminum flat tube. The flow blocking baffle plates and the flow blocking extension plates serve as additional support structures, improve the strength and stability of the tube, and disperse the pressure of the fluid on the tube wall. Meanwhile, the inclined arrangement of the flow blocking extension plates optimizes the fluid flow characteristics, reduces vortex and turbulent flow, reduces noise and energy consumption, and makes the fluid flow in the tube more orderly and controllable. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a partial cross-sectional structural schematic view of the utility model.

[0014] Figure 2 is a half cross-sectional structural schematic view of the utility model.

[0015] Figure 3 is a partial enlarged structural schematic view of A of the utility model. Figure 2

[0016] In the drawings:

[0017] Hollow flat tube 1, clamping joint 2, fixed head 3, opening 4, flow blocking baffle plate 5, flow blocking extension plate 6. DETAILED DESCRIPTION

[0018] ​In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0019] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0020] As shown in the accompanying Figure 1 to the accompanying Figure 3 As shown in the accompanying

[0021] The utility model provides a kind of heat exchange aluminium flat tube with resistance flow partition layer, including hollow flat tube 1, clamping joint 2, fixed head 3, opening 4, resistance flow baffle 5 and resistance flow extension plate 6, the inside both ends of hollow flat tube 1 are respectively clamped and embedded fixed with clamping joint 2 and fixed head 3, opening 4 is all penetrated and set in clamping joint 2 and fixed head 3, opening 4 is correspondingly set with the heat exchange resistance flow cavity formed by two resistance flow baffle 5, resistance flow baffle 5 is provided with several, the other end of several resistance flow baffle 5 is fixedly installed on fixed head 3 with its one end, and clamping joint 2 is clamped together, each resistance flow baffle 5 is provided with numerous resistance flow extension plate 6.

[0022] Further, the card joint 2 and the fixed head 3 are consistent in shape, ensuring their interchangeability and the convenience of installation. On the inner side surface of the card joint 2, especially on one side of the opening 4, a card slot corresponding to the end of the flow-blocking baffle 5 is ingeniously designed. This design not only ensures that the flow-blocking baffle 5 can be securely installed between the card joint 2 and the fixed head 3, but also guarantees the sealing of the heat exchange flow-blocking cavity, avoiding fluid leakage.

[0023] Further, the flow-blocking baffle 5 adopts a curved serpentine plate structure, which not only looks beautiful, but more importantly, increases the flow path length of the fluid in the heat exchange aluminum flat tube, thereby improving the heat exchange efficiency. It is worth noting that the two ends of the flow-blocking baffle 5 are designed as straight ends, and the two ends are parallel to each other, which not only helps to maintain the stability of the heat exchange flow-blocking cavity, but also facilitates subsequent assembly and installation. The area between the two flow-blocking baffles 5 constitutes the heat exchange flow-blocking cavity, which is the main place for fluid heat exchange.

[0024] Further, in the heat exchange aluminum flat tube, the fluid smoothly enters the heat exchange flow-blocking cavity formed by the flow-blocking baffle 5 through the opening 4 of the card joint 2. In the heat exchange flow-blocking cavity, the fluid fully exchanges heat with the inner wall of the heat exchange aluminum flat tube. After completing the heat exchange, the fluid is discharged outside the tube through the opening 4 of the fixed head 3, thereby realizing the transfer and conversion of heat.

[0025] Further, at the wave crests of the flow-blocking baffle 5, flow-blocking extension plates 6 are ingeniously arranged. These flow-blocking extension plates 6 are located on both sides of the heat exchange flow-blocking cavity, and their role is to block and guide the fluid, ensuring that the fluid can flow uniformly and orderly through the heat exchange aluminum flat tube. It is worth noting that the flow-blocking extension plates 6 are not arranged at the wave troughs of the flow-blocking baffle 5, which helps to reduce the accumulation and vortex phenomenon of the fluid at the wave troughs. The flow-blocking extension plates 6 are arranged in an inclined manner, inclined towards the direction of fluid flow, which further optimizes the flow characteristics of the fluid and improves the heat exchange efficiency.

[0026] The working principle is as follows: First, the fluid enters the heat exchange aluminum flat tube through the opening 4. Specifically, the fluid smoothly enters the heat exchange flow-blocking cavity formed by the flow-blocking baffle 5 through the opening 4 on the card joint 2. The openings 4 are arranged on the card joint 2 and the fixed head 3, and these openings 4 correspond to the heat exchange flow-blocking cavity formed by the flow-blocking baffle 5, ensuring that the fluid can smoothly enter and exit.

[0027] In the heat exchange resistance flow cavity, the fluid and the inner wall of the heat exchange aluminum flat tube are fully heat exchanged. The resistance flow baffle 5 adopts a curved serpentine plate structure, which increases the flow path length of the fluid in the heat exchange aluminum flat tube, so that the fluid can have more contact opportunities with the inner wall of the heat exchange aluminum flat tube during the flow process, thereby improving the heat exchange efficiency. At the same time, the two ends of the resistance flow baffle 5 are designed as straight end heads, and the two ends are parallel to each other, which helps to maintain the stability of the heat exchange resistance flow cavity and ensures the smooth progress of the heat exchange process.

[0028] In the heat exchange process, the resistance flow extension plate 6 plays a key role. The resistance flow extension plate 6 is ingeniously arranged at the wave crest of the resistance flow baffle 5 and located on both sides of the heat exchange resistance flow cavity. Their role is to block and guide the fluid, ensuring that the fluid can flow evenly and orderly through the heat exchange aluminum flat tube. The inclined design of the resistance flow extension plate 6 further optimizes the flow characteristics of the fluid, so that the fluid can flow in the predetermined direction, reducing the occurrence of vortex and turbulent flow phenomena, thereby improving the heat exchange efficiency.

[0029] Finally, the fluid after completing the heat exchange is discharged out of the pipe through the opening 4 on the fixed head 3. In this way, the heat transfer and conversion are realized, and the main function of the heat exchange aluminum flat tube is completed.

[0030] The technical scheme disclosed in the utility model, or the technical scheme designed by the person skilled in the art under the inspiration of the technical scheme of the utility model, and the similar technical scheme achieving the above technical effects all fall within the protection scope of the utility model.

Claims

1. A heat exchanger flat aluminum tube with a baffle layer, characterized in that, Including hollow flat tube (1), card joint (2), fixed head (3), opening (4), resistance flow baffle (5) and resistance flow extension plate (6), the inside of the hollow flat tube (1) is respectively clamped and embedded with card joint (2) and fixed head (3) at both ends, opening (4) is set up on card joint (2) and fixed head (3), opening (4) is set up with the heat exchange resistance flow cavity formed by two resistance flow baffles (5), resistance flow baffle (5) is provided with several, the end of several resistance flow baffles (5) is fixedly installed on fixed head (3), its other end is clamped together with card joint (2), each resistance flow baffle (5) is provided with a plurality of resistance flow extension plates (6).

2. The flat aluminum tube with a barrier layer and heat transfer according to claim 1, wherein: The card joint (2) and fixed head (3) are the same shape, the inner surface of the card joint (2), that is, the side of the opening (4) is provided with a corresponding card slot with the end of the resistance flow baffle (5).

3. The flat aluminum tube with barrier layer and heat transfer resistance for heat exchanger as claimed in claim 2, wherein: The resistance flow baffle (5) is a curved serpentine plate structure as a whole, but the two ends of the resistance flow baffle (5) are straight end heads, the two ends of the resistance flow baffle (5) are parallel to each other, and the area between the two resistance flow baffles (5) is a heat exchange resistance flow cavity.

4. The flat aluminum tube with a barrier layer and heat transfer according to claim 3, wherein: Liquid is allowed to enter the heat exchange resistance flow cavity formed by the resistance flow baffle (5) through the opening (4) of the card joint (2), and is discharged outside through the opening (4) of the fixed head (3).

5. The flat aluminum tube with barrier layer and heat transfer resistance for heat exchanger as claimed in claim 4, wherein: The resistance flow baffle (5) is provided with resistance flow extension plate (6) at the wave crest, and is not provided with resistance flow extension plate (6) at the wave trough of the resistance flow baffle (5), the resistance flow extension plate (6) is located on both sides of the heat exchange resistance flow cavity, which is used for blocking and guiding liquid.

6. The flat aluminum tube with barrier layer and heat transfer resistance for heat exchanger as claimed in claim 5, wherein: The resistance flow extension plate (6) is inclined, and the resistance flow extension plate (6) is inclined towards the direction of liquid flow.