Heat exchanger
By setting a parallel structure of the second and third components in the heat exchanger and using a fourth component to seal the first component, combined with welding technology, the sealing reliability problem caused by the misfit between the main board and the water chamber was solved, achieving higher sealing reliability and a lower probability of leakage.
Patent Information
- Application Number
- CN202410670664.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-11-28
AI Technical Summary
Existing heat exchangers suffer from poor sealing reliability due to manufacturing errors that cause the main board and water chamber to not fit together properly.
The second and third components are located on opposite sides of the first component. The sidewall of the second component near the third component is parallel to the sidewall of the third component near the second component. The fourth component blocks the end of the first component that extends into the water chamber body, so that the first component is inserted between the second and third components, and the connection reliability is improved by welding.
It improves the sealing reliability of the heat exchanger, reduces the probability of leakage, and enhances the strength and sealing of the connection.
Smart Images

Figure CN121025868A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of heat exchange technology, and more particularly to a heat exchanger. Background Technology
[0002] In related technologies, heat exchangers include a water chamber and a main board. The main board includes a main board body and a first component. The first component is connected to one side of the main board body and extends into the water chamber and fits against the outside of the water chamber for connection. Due to processing errors, the main board and the water chamber do not fit together, resulting in a gap, which makes the sealing reliability of the heat exchanger poor. Summary of the Invention
[0003] The purpose of this application is to provide a heat exchanger that improves sealing reliability.
[0004] To achieve the above objectives, this application adopts the following technical solution:
[0005] A heat exchanger includes: a main body; a first component connected to one side of the main body; a second component connected to the first component; a third component connected to the first component; a fourth component connected to the first component, the second component, and the third component; and a water chamber body connected to the third component, wherein the first component extends toward the water chamber body; wherein the second component and the third component are located on opposite sides of the first component, the sidewall of the second component near the third component is parallel to the sidewall of the third component near the second component, and the fourth component blocks one end of the first component extending toward the water chamber body.
[0006] In this application, the second and third components are located on opposite sides of the first component, the sidewall of the second component near the third component is parallel to the sidewall of the third component near the second component, and the fourth component blocks the end of the first component extending into the water chamber body, so that the first component is inserted between the second and third components and fits with the second and third components. The fourth component limits the first component, thereby improving the sealing reliability of the heat exchanger. Attached Figure Description
[0007] Figure 1 This is a cross-sectional schematic diagram of a partial structure of an embodiment of the heat exchanger of this application;
[0008] Figure 2 This is a schematic diagram of the structure of an embodiment of the heat exchanger of this application;
[0009] Figure 3 This is a schematic diagram of the structure of one embodiment of the main body of the motherboard in this application;
[0010] Figure 4 This is a partial structural schematic diagram of an embodiment of the heat exchanger of this application;
[0011] Figure 5 This is a cross-sectional schematic diagram of a portion of the structure of another embodiment of the heat exchanger of this application. Detailed Implementation
[0012] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.
[0013] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The singular forms “a,” “the,” and “the” used in this application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise.
[0014] It should be understood that the terms "first," "second," and similar terms used in this application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, "a" or "one," and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one; "multiple" indicates two or more. Unless otherwise stated, terms such as "front," "rear," "lower," and / or "upper" are for illustrative purposes only and are not limited to a location or spatial orientation. Terms such as "comprising" or "including" indicate that the elements or objects preceding "comprising" encompass the elements or objects listed following "comprising" or "including" and their equivalents, but do not exclude other elements or objects.
[0015] The heat exchanger of an exemplary embodiment of this application will now be described in detail with reference to the accompanying drawings. Unless otherwise specified, the features of the following embodiments and implementations can complement or combine with each other.
[0016] According to a specific embodiment of the heat exchanger of this application, such as Figures 1 to 5 As shown, the heat exchanger 1000 includes a main board body 100, a first component 200, a second component 300, a third component 400, a fourth component 500, and a water chamber body 600. The first component 200 is connected to one side of the main board body 100. The second component 300 is connected to the first component 200. The third component 400 is connected to the first component 200. The fourth component 500 is connected to the first component 200, the second component 300, and the third component 400. The water chamber body 600 is connected to the third component 400 and the main board body 100, and the first component 200 extends into the water chamber body 600.
[0017] In some embodiments, the second component 300, the third component 400, the fourth component 500, and the water chamber body 600 are integral parts, employing a profile extrusion structure. The main board body 100 and the first component 200 are integral parts, employing a stamping structure. The main board body 100, the first component 200, the second component 300, the third component 400, the fourth component 500, and the water chamber body 600 are made of the same material; for example, the first component 200, the second component 300, the third component 400, the fourth component 500, and the water chamber body 600 are all made of aluminum alloy.
[0018] The second component 300 and the third component 400 are located on opposite sides of the first component 200. The sidewall of the second component 300 near the third component 400 is parallel to the sidewall of the third component 400 near the second component 300. The fourth component 500 blocks the end of the first component 200 extending into the water chamber body 600. This allows the first component 200 to be engaged between and in close contact with the second and third components 300 and 400. The fourth component 500 limits the first component 200, thereby improving the sealing reliability of the heat exchanger 1000 and reducing the probability of leakage. Furthermore, by having the second component 300 and the third component 400 located on opposite sides of the first component 200, compared to having the connection structure only on one side of the first component 200, a larger contact area is provided, resulting in a stronger connection and more reliable sealing, thus reducing the probability of leakage in the heat exchanger 1000.
[0019] Along the extending direction of the first component 200, the size of the third component 400 is smaller than the size of the second component 300. For example, the size of the third component 400 is 1 / 2, 2 / 3, or 4 / 5 of the size of the second component 300. When the first component 200 needs to be inserted between the second component 300 and the third component 400, the first component 200 extends into the space between the second component 300 and the third component 400 from one side of the third component 400. Since the third component 400 is shorter, a notch is left on the side of the third component 400 for the first component 200 to extend into, facilitating the smooth insertion of the first component 200 between the second component 300 and the third component 400.
[0020] Of course, it is also possible for the size of the third component 400 to be equal to the size of the second component 300 along the extending direction of the first component 200. The first component 200 is inserted between the second component 300 and the third component 400 through the opening formed between the ends of the second component 300 and the third component 400. The force exerted on the first component 200 by the second component 300 is basically the same as the force exerted on the first component 200 by the third component 400, resulting in a more stable structure and improving the reliability of the connection.
[0021] In other embodiments, the first component 200 extends in the same direction as the third component 400, and the size of the third component 400 is larger than the size of the second component 300. When the first component 200 needs to be inserted between the second component 300 and the third component 400, the first component 200 extends into the space between the second component 300 and the third component 400 from one side of the second component 300. Since the second component 300 is shorter, a notch is left on the side of the second component 300 for the first component 200 to insert, facilitating the smooth insertion of the first component 200 between the second component 300 and the third component 400.
[0022] The third component 400 has a triangular cross-section. The triangular shape provides structural stability and offers sufficient support for the first component 200 and the water chamber body 600. In some embodiments, the third component 400 has a right-angled triangle cross-section, with one right-angled side close to the first component 200 and the other right-angled side close to the water chamber body 600. When the third component 400 has a right-angled triangle cross-section, the sidewall of the third component 400 closest to the first component 200 (one right-angled side) is parallel to the sidewall of the first component 200 closest to the third component 400, and the sidewall of the third component 400 closest to the water chamber body 600 (the other right-angled side) connects to the water chamber body 600, forming a hollow inner cavity within the water chamber.
[0023] In some embodiments, the second component 300 and the third component 400 are both perpendicular to the fourth component 500. This facilitates the parallelism of the sidewall of the second component 300 near the third component 400 with the sidewall of the third component 400 near the second component 300, and ensures a close fit between the first component 200 and the second and third components 400. Simultaneously, the first component 200 abuts against the fourth component 500, with the sidewall of the first component 200 near the fourth component 500 parallel to the sidewall of the fourth component 500 near the first component 200, and the sidewall of the first component 200 near the fourth component 500 closely fitting the sidewall of the fourth component 500 near the first component 200. This helps to reduce gaps between the first component 200 and the second component 300, the first component 200 and the third component 400, and the first component 200 and the fourth component 500, resulting in a more reliable connection and better sealing reliability.
[0024] Each of the opposite sides of the main board body 100 is connected to a first component 200, and each first component 200 is connected to a second component 300, a second component 300, and a fourth component 500. The opposite sides of the main board body 100 are provided with a sealing structure including the first component 200, the second component 300, the second component 300, and the fourth component 500, which helps to improve the reliability of the connection and reduce the probability of leakage in the heat exchanger 1000.
[0025] The first component 200 is welded to the second component 300, the third component 400, and the fourth component 500. During the manufacturing process of the heat exchanger 1000, the first component 200 is inserted between the second component 300 and the third component 400 and abuts against the fourth component 500. Flux is provided between the first component 200 and the second component 300, between the first component 200 and the third component 400, and between the first component 200 and the fourth component 500. The connection between the first component 200 and the second component 300, the connection between the first component 200 and the third component 400, and the connection between the first component 200 and the fourth component 500 are achieved by melting the aforementioned flux.
[0026] The main component of welding flux is a metal alloy. Different types of flux have different compositions. For example, the main components of aluminothermic welding flux include sodium fluoride, sodium chloride, alumina, and titanium dioxide, while auxiliary components include ammonium chloride, aluminum carbide, and silicon carbide. The main function of the flux is to lower the melting point and oxide film of aluminum, promote the flow of the molten aluminum pool, and improve welding quality. Sodium fluoride mainly acts as a flux and a welding agent, allowing aluminum to melt at low temperatures and promoting the formation and flow of the molten aluminum pool. Sodium chloride has a similar effect to sodium fluoride and can also reduce viscosity, making the molten aluminum pool easier to flow. Alumina acts as a penetrant and removes the oxide film, promoting the formation and flow of the molten aluminum pool. Titanium dioxide mainly removes the oxide film, improving welding quality. In addition to the above main components, aluminothermic welding flux also contains some auxiliary components, such as ammonium chloride, aluminum carbide, and silicon carbide. Ammonium chloride increases surface tension, making the molten aluminum pool easier to flow and removing the oxide film. Aluminum carbide acts as a reducing agent, removing oxide films and forming a protective layer in the molten aluminum pool, thus improving weld quality. Silicon carbide reduces the surface tension of the molten aluminum pool, promoting pool formation and flow, while also removing oxide films.
[0027] The water chamber body 600 includes a fifth component 610 and a sixth component 620. The fifth component 610 is connected to the third component 400. The sixth component 620 is connected to the fifth component 610 and riveted to the main board body 100. Compared to the planar bonding structure between the sixth component 620 and the main board body 100, the riveting of the sixth component 620 to the main board body 100 uses less material and results in a more secure connection.
[0028] The fifth component 610 is arc-shaped, with the center of the arc located on the side of the fifth component 610 closest to the main body 100. In this way, the water chamber cavity formed by the fifth component 610 is relatively large, which is conducive to increasing the flow rate of the fluid flowing in the water chamber cavity and improving the utilization rate of materials and space.
[0029] In some embodiments, such as Figure 1 and Figure 2As shown, the heat exchanger 1000 includes two fifth components 610 and one sixth component 620. The two fifth components 610 are located on opposite sides of the sixth component 620, and one end of the two fifth components 610 and one end of the sixth component 620 are connected to the same point. In this way, one end of the two fifth components 610 and one end of the sixth component 620 form a Y-shaped structure, which is conducive to forming two water chambers. It is convenient for fluid to flow on both sides of the sixth component 620. Only one sixth component 620 is needed to form two water chambers. Both water chambers can be connected to different flat tubes, which helps to save materials and reduce costs.
[0030] The heat exchanger 1000 also includes at least two flat tubes 700, which are connected to the main body 100. These two flat tubes 700 are spaced apart, and the riveting point is located between them. The sixth component 620 is connected to the main body 100 by riveting. Compared to a planar bonding structure, the spacing between the two flat tubes 700 is smaller. For example, after riveting, the spacing between the two flat tubes 700 is 3.5mm, while with a planar bonding structure, the spacing is 6mm. This reduces the space occupied by the heat exchanger 1000, lowers material costs, and increases the connection strength between the sixth component 620 and the main body 100, resulting in more reliable welding and sealing.
[0031] In some embodiments, the heat exchanger 1000 includes a plurality of flat tubes 700 connected to the main body 100. The plurality of flat tubes 700 are arranged in two rows and spaced apart. One row of flat tubes 700 is located on one side of the sixth component 620, and the other row of flat tubes 700 is located on the other side of the sixth component 620.
[0032] In some embodiments, the first component 200 extends along the length direction of the flat tube 700. In this way, the extension direction of the first component 200 is consistent with the extension direction of the flat tube 700, which is beneficial for the heat exchanger 1000 to save on the dimensions along the length direction perpendicular to the flat tube 700.
[0033] like Figure 3 As shown, the main body 100 has multiple first openings 110 and multiple second openings 120. The multiple first openings 110 are arranged in two rows. The positions of the multiple first openings 110 correspond to the positions of the two rows of flat tubes 700, and the multiple flat tubes 700 are inserted into the multiple first openings 110 one by one. The multiple second openings 120 are located between the two rows of first openings 110. The heat exchanger 1000 includes multiple sixth components 620, which are inserted into the multiple second openings 120 one by one from one side of the main body 100, and the inserted portions are pressed from the other side of the main body 100 to form a riveting structure. Figure 4 The structure of the other side of the mainboard body 100 after riveting is shown. Figure 5 The cut structure before the riveting structure is formed is shown. Figure 1 The cross-sectional structure after the riveted structure is formed is shown.
[0034] In this application, the "connection" between two components can be a direct connection or a connection via a pipeline. The two components may only have a pipeline between them, or they may have a valve or other component in addition to a pipeline. Similarly, the "connection" between two components in this application can be a direct connection or a connection via a pipeline. The two components may only have a pipeline connection, or they may have a valve or other component in addition to a pipeline connection.
[0035] The above description is merely a preferred embodiment of this application and is not intended to limit this application in any way. Although this application has disclosed the preferred embodiment as above, it is not intended to limit this application. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the technical solution of this application. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the content of the technical solution of this application shall still fall within the scope of the technical solution of this application.
Claims
1. A heat exchanger, characterized in that, include: Mainboard body; The first component is connected to one side of the main body of the motherboard; The second component is connected to the first component; The third component is connected to the first component; The fourth component is connected to the first component, the second component, and the third component; and The water chamber body is connected to the third component, and the first component extends into the water chamber body; wherein... The second component and the third component are located on opposite sides of the first component. The side wall of the second component near the third component is parallel to the side wall of the third component near the second component. The fourth component blocks one end of the first component that extends into the water chamber body.
2. The heat exchanger as described in claim 1, characterized in that, Along the extending direction of the first component, the size of the third component is smaller than the size of the second component.
3. The heat exchanger as described in claim 1, characterized in that, The cross-section of the third component is triangular.
4. The heat exchanger as described in claim 3, characterized in that, The third component has a right-angled triangle in cross-section, with one right-angled side close to the first component and the other right-angled side close to the water chamber body.
5. The heat exchanger according to any one of claims 1 to 4, characterized in that, The second component and the third component are both perpendicular to the fourth component.
6. The heat exchanger according to any one of claims 1 to 4, characterized in that, Each of the opposite sides of the main body of the motherboard is connected to a first component, and each first component is connected to a second component, a third component and a fourth component.
7. The heat exchanger according to any one of claims 1 to 4, characterized in that, The first component is welded to the second component, the third component, and the fourth component.
8. The heat exchanger as described in any one of claims 1 to 4, characterized in that, The main body of the water chamber includes: The fifth component is connected to the third component; and The sixth component is connected to the fifth component and is riveted to the main body of the motherboard.
9. The heat exchanger as described in claim 8, characterized in that, The fifth component is arc-shaped, and the center of the arc is located on the side of the fifth component closer to the main body of the motherboard.
10. The heat exchanger as claimed in claim 8, characterized in that, Also includes: At least two flat tubes are connected to the main body of the motherboard, the at least two flat tubes are spaced apart, and the riveting position is located between the two flat tubes.