Method for sealing a filling pipe of a radiator and radiator

Abstract

The application relates to a sealing method of a liquid injection pipe of a radiator and the radiator. The radiator comprises a body, a supporting part and a liquid injection pipe. The body is internally provided with a cavity for containing a working medium, the side wall of the cavity is provided with a through hole, and the cavity is connected with the outside of the body through the through hole. The supporting part is connected with the outer wall of the body. The liquid injection pipe comprises a first section, a second section and a third section which are sequentially connected before being sealed, the first section is located in the through hole, the outer wall of the second section abuts against the supporting part, and the third section is located outside the supporting part. The sealing method of the liquid injection pipe of the radiator comprises the following steps that at least part of the second section away from the first section is flattened to form a flattened section, the liquid injection pipe is cut off along the first end of the flattened section away from the first section, and the first end of the flattened section away from the first section after being cut off is sealed.

Description

Technical Field

[0001] This application relates to the field of heat dissipation equipment technology, and in particular to a method for sealing the liquid injection pipe of a radiator and a radiator. Background Technology

[0002] There is currently a significant demand for improved heat dissipation efficiency. Compared to air cooling and water cooling, thermosiphon cooling offers advantages such as high heat dissipation efficiency, high safety, and high reliability. Therefore, thermosiphon radiators are increasingly being introduced into the market.

[0003] A thermosiphon radiator mainly consists of a body and pipes. The body contains a cavity, and the pipes extend from the outside of the body into the cavity, through which the working fluid is injected. After the working fluid is injected, the pipes need to be sealed. The sealing method mainly involves cutting off a portion of the pipe located outside the body to shorten it, and then sealing the pipe located outside the body.

[0004] In the process of realizing this invention, the inventors discovered at least the following problems in the prior art:

[0005] In existing sealing methods, after cutting off a portion of the pipe located outside the main body, a small section of the pipe remains outside the main body. This section of the pipe is easily bent and deformed by external objects, which can cause it to break and lead to leakage of the working fluid. Summary of the Invention

[0006] This application provides a sealing method for the injection pipe of a radiator and a radiator, which can reduce the possibility of the pipe located outside the radiator being bent and deformed by external objects and breaking, resulting in leakage of the working fluid, and improve the reliability of the radiator.

[0007] This application provides a method for sealing the injection pipe of a radiator. The radiator includes a body, a support, and an injection pipe. The body has an internal cavity for containing a working fluid, and a through hole is provided on the side wall of the cavity, connecting the cavity to the outside of the body through the through hole. The support is connected to the outer wall of the body. Before sealing, the injection pipe includes a first section, a second section, and a third section connected sequentially. The first section is located inside the through hole, the outer wall of the second section abuts against the support, and the third section is located outside the support (the outer wall of the third section does not abut against the support). The method for sealing the injection pipe of the radiator includes:

[0008] Flatten at least a portion of the second segment away from the first segment to form a flat segment, cut the injection tube along the first end of the flat segment away from the first segment, and seal the first end of the cut flat segment away from the first segment.

[0009] The working medium can enter the injection tube from the end of the third section opposite to the second section, and then enter the cavity of the main body through the injection tube. After the cavity is filled with the working medium, the injection tube needs to be sealed. Since the injection tube also includes a third section located outside the support, making the injection tube too long, the sealing method of this application first flattens at least a portion of the second section opposite to the first section to form a flat section. The position of the flat section includes: the first end of the flat section opposite to the first section is aligned with the connection between the second and third sections, that is, the first end of the flat section opposite to the first section can be aligned with the edge of the support, or the flat section is located inside the connection between the second and third sections, and the inside is the side facing the first section, that is, the flat section is inside the edge of the support. Then, the injection tube is cut along the first end of the flat section opposite to the first section to remove the third section. This method allows the second section not to protrude relative to the edge of the support. Finally, the first end of the cut flat section opposite to the first section is sealed. According to the above sealing method, since the cut second segment abuts against the support portion and does not protrude relative to the edge of the support portion, the support portion can block interference from external foreign objects moving in the first direction. Even if there are external foreign objects moving in the opposite direction, the second segment is less likely to bend and deform in the first direction, leading to breakage, because the support portion can support the second segment. Since the cut second segment does not protrude relative to the edge of the support portion, the second segment is not subject to interference from external foreign objects moving in the second and third directions, further reducing the likelihood of bending and deforming in these directions. Therefore, the sealing method in this application shortens the injection tube to a position where it does not protrude relative to the edge of the support portion and utilizes the support portion as a blocking component for the second segment, reducing the possibility of the second segment being bent and deformed by external foreign objects and thus reducing the possibility of working fluid leakage and improving the reliability of the radiator.

[0010] In one possible method, flattening at least a portion of the second segment away from the first segment to form a flat segment includes: abutting a first clamping part of a pressing machine against a support part on the side away from the second segment, and abutting a second clamping part of a pressing machine against a side of the second segment away from the support part, bringing the first clamping part and the second clamping part closer together to form a flat segment.

[0011] In one possible method, flattening at least a portion of the second segment away from the first segment to form a flat segment includes: forming a contracted segment at the second end of the second segment near the second end of the first segment, and flattening the second segment along the contracted segment to the first end of the second segment to form a flat segment.

[0012] A second aspect of this application provides a radiator, wherein the radiator's injection pipe is sealed using a sealing method described above. The radiator includes a body, a support portion, and an injection pipe. The body has an internal cavity for containing a working fluid, and a through hole is provided on the side wall of the cavity, connecting the cavity to the outside of the body through the through hole. The support portion is connected to the outer wall of the body. The injection pipe includes a first section and a second section connected together. The first section is located within the through hole, and the outer wall of the second section abuts against the support portion. The first end of the second section, facing away from the first section, is located inside the edge of the support portion, or flush with the edge of the support portion.

[0013] The cavity of the main body can be filled with working fluid, allowing the radiator to absorb heat from other devices and equipment, thus achieving a heat dissipation function. A through-hole in the side wall of the cavity is used to insert the first section of the injection tube, allowing the user to inject the working fluid into the cavity. After the working fluid is injected, the portion of the injection tube outside the main body is sealed to reduce the possibility of leakage. The sealing method is as described above and will not be repeated here. Because the cut second section abuts against the support and does not protrude relative to the edge of the support, the support can shield the second section from interference from external foreign objects moving in the first direction. Even if there are external foreign objects moving in the opposite direction, the second section is less likely to bend and deform in the first direction, leading to breakage, because the support can support it. Because the second segment, after being cut, does not protrude relative to the edge of the support portion—specifically, the first end of the flat segment away from the first segment is located inside the edge of the support portion, or the first end of the flat segment away from the first segment is flush with the edge of the support portion—the second segment is not subject to interference from external foreign objects moving in the second direction and the third direction. Therefore, the possibility of the second segment bending and deforming in the second and third directions, leading to breakage, is low. Thus, this application utilizes the support portion as a retaining component for the second segment, reducing the possibility of interference between the second segment and external foreign objects, meaning the second segment is less prone to bending and deformation leading to breakage, and reducing the possibility of working fluid leakage. Therefore, the radiator of this application has high reliability.

[0014] In one possible design, the side of the support that abuts against the second section has a recess, and the second section is at least partially embedded in the recess.

[0015] In one possible design, the radiator further includes a retaining portion disposed on both sides of the support portion along the radial direction of the second segment, and the retaining portion and the support portion forming a groove that can accommodate at least part of the second segment.

[0016] In one possible design, the stop portion is connected to the outer wall of the body, and the stop portion extends to the edge of the support portion to form a groove that can accommodate at least part of the second segment.

[0017] In one possible design, the plane containing the retaining part is perpendicular to the plane containing the supporting part, the spacing W between the retaining parts is greater than the diameter D of the through hole, and / or the height H of the retaining part is greater than the diameter D of the through hole.

[0018] In one possible design, the side of the support that abuts against the outer wall of the second section is tangent to the inner wall of the through hole.

[0019] In one possible design, the second segment includes a contraction segment and a flattening segment, with one end of the contraction segment connected to the first segment and the other end of the contraction segment connected to the flattening segment.

[0020] It should be understood that the above general description and the following detailed description are merely exemplary and do not limit this application. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the heat sink provided in this application in a specific embodiment, wherein the second segment is not flattened to form a flat segment;

[0022] Figure 2 for Figure 1 A magnified view of part A in the middle;

[0023] Figure 3 A flowchart of a specific embodiment of the sealing method for the liquid injection pipe of the radiator provided in this application;

[0024] Figure 4 for Figure 1 A magnified view of part A in the middle, in which the second segment is flattened into a flat segment, and the third segment is cut off;

[0025] Figure 5 for Figure 1 A structural diagram of the radiator from another perspective, in which the second section is flattened to form a flat section, and the third section is cut off;

[0026] Figure 6 for Figure 5 A magnified view of part B in the middle section;

[0027] Figure 7 for Figure 6 A schematic diagram of the assembly of the second section and the support in another embodiment;

[0028] Figure 8 for Figure 5 A magnified view of part B in the image, where the second segment is not shown.

[0029] Figure label:

[0030] 1-Ontology;

[0031] 11-Cavity;

[0032] 12-Through hole;

[0033] 2-Support section;

[0034] 21-Depression;

[0035] 3-Blocking part;

[0036] 4-groove;

[0037] 5-Injection tube;

[0038] 51-First paragraph;

[0039] 52 - Second paragraph;

[0040] 52a - First end;

[0041] 52b - Second end;

[0042] 521-Flattened segment;

[0043] 522 - Contraction segment;

[0044] 53 - Third paragraph.

[0045] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application. Detailed Implementation

[0046] To better understand the technical solution of this application, the embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0047] It should be understood that the described embodiments are merely some, not all, of the embodiments in this application. All other embodiments obtained by those skilled in the art based on the embodiments in this application without inventive effort are within the scope of protection of this application.

[0048] The terminology used in the embodiments of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The singular forms “a,” “the,” and “the” used in the embodiments of this application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise.

[0049] It should be understood that the term "and / or" used in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0050] It should be noted that the directional terms such as "upper," "lower," "left," and "right" described in the embodiments of this application are used to describe the angles shown in the accompanying drawings and should not be construed as limiting the embodiments of this application. Furthermore, in the context, it should be understood that when it is mentioned that an element is connected "upper" or "lower" to another element, it can be directly connected to the other element "upper" or "lower," or indirectly connected to the other element "upper" or "lower" through an intermediate element.

[0051] The first aspect of this application provides a method for sealing the injection pipe of a radiator, which can be applied in the field of heat dissipation equipment technology, specifically in the process of sealing the injection pipe after injecting working fluid into the radiator. Please refer to... Figure 1 As shown, in this embodiment of the application, the radiator includes a body 1, a support 2, and a liquid injection pipe 5. Figure 2 As shown, the main body 1 has an internal cavity 11 for containing the working medium. A through hole 12 is provided on the side wall of the cavity 11, connecting the cavity 11 to the outside of the main body 1 through the through hole 12. The structure of the cavity 11 and the through hole 12 within the main body 1 is shown in dashed lines for perspective. The dashed line between the second segment 52 and the third segment 53 represents the boundary line (corresponding to the edge of the support part 2). The support part 2 is connected to the outer wall of the main body 1. Before the inlet of the injection tube 5 is sealed, the injection tube 5 includes a first segment 51, a second segment 52, and a third segment 53 connected in sequence. The first segment 51 is located within the through hole 12, the outer wall of the second segment 52 abuts against the support part 2, and the third segment 53 is located outside the support part 2 (the outer wall of the third segment 53 does not abut against the support part 2). Please refer to... Figures 3-4 As shown, the first sealing method according to an embodiment of this application includes:

[0052] Step S1: Flatten at least a portion of the second segment 52 away from the first segment 51 to form a flat segment 521.

[0053] Step S2: Cut the injection tube 5 away from the first end 52a of the first segment 51 along the flat section 521.

[0054] Step S3: Seal the cut flat segment 521 away from the first end 52a of the first segment 51.

[0055] In this embodiment, please refer to Figures 1-6As shown, the working medium can enter the injection tube 5 from the end of the third segment 53 that is opposite to the second segment 52, and then enter the cavity 11 of the body 1 through the injection tube 5. After the cavity 11 is filled with the working medium, the injection tube 5 needs to be sealed. Since the injection tube 5 also includes the third segment 53 located outside the support 2, making the injection tube 5 too long, the sealing method of this embodiment first flattens at least a portion of the second segment 52 that is opposite to the first segment 51 to form a flat segment 521. The position of the flat segment 521 includes: the first end 52a of the flat segment 521 that is opposite to the first segment 51 is aligned with the connection between the second segment 52 and the third segment 53, that is, the first end 52a of the flat segment 521 that is opposite to the first segment 51 can be aligned with the edge of the support 2, or the flat segment 521 is located inside the connection between the second segment 52 and the third segment 53, and the inside is the side facing the first segment 51, that is, the flat segment 521 is inside the edge of the support 2. Then, the injection tube 5 is cut off along the flat section 521 away from the first end 52a of the first section 51, thus removing the third section 53. This method ensures that the second section 52 does not protrude relative to the edge of the support portion 2. Finally, the cut flat section 521 is sealed away from the first end 52a of the first section 51. For the sealing method described above, please refer to... Figures 5-6 Because the cut second segment 52 abuts against the support portion 2 and does not protrude relative to the edge of the support portion 2, the support portion 2 can block interference from external foreign objects moving along the first direction X for the second segment 52. Even if there are external foreign objects moving in the opposite direction X, since the support portion 2 can support the second segment 52, the possibility of the second segment 52 bending and deforming in the first direction X and breaking is low. Figure 4 As shown, since the cut second segment 52 does not protrude relative to the edge of the support portion 2, the second segment 52 is not subject to interference from external foreign objects moving along the second direction Y and the third direction Z. Therefore, the possibility of the second segment 52 bending and deforming in the second direction Y and the third direction Z, leading to breakage, is low. Thus, the sealing method in this embodiment shortens the injection tube 5 to a position where it does not protrude relative to the edge of the support portion 2, and utilizes the support portion 2 as a retaining component for the second segment 52, reducing the possibility of the second segment 52 being bent and deformed by external foreign objects and breaking, thereby reducing the possibility of working fluid leakage and improving the reliability of the radiator.

[0056] In the above embodiment, the injection tube 5 can also be cut off at the position between the two ends of the flat section 521. This also achieves the effects described above.

[0057] This application also includes a second sealing method:

[0058] Step S1: Cut off the injection tube 5 along the side of the second segment 52 near the third segment 53.

[0059] Step S2': Flatten at least a portion of the second segment 52 away from the first segment 51 to form a flat segment 521.

[0060] Step S3: Seal the cut second segment 52 away from the first end 52a of the first segment 51, or seal the flat segment 521 away from the first end 52a of the first segment 51.

[0061] In this configuration, the side of the second segment 52 closest to the third segment 53 can be the connection point between the second segment 52 and the third segment 53 (corresponding to the location of the edge of the support portion 2). Accordingly, the position of the flat segment 521 can be such that the first end 52a of the flat segment 521 facing away from the first segment 51 is aligned with the edge of the support portion 2, or the first end 52a of the flat segment 521 facing away from the first segment 51 can be located inside the edge of the support portion 2. The side of the second segment 52 closest to the third segment 53 can also be the inner side of the connection point between the second segment 52 and the third segment 53, where the inner side is the side facing the first segment 51, i.e., the inner side of the edge of the support portion 2. Accordingly, the first end 52a of the flat segment 521 facing away from the first segment 51 is located inside the edge of the support portion 2.

[0062] The first and second sealing methods have the same effect as the first sealing method, and will not be repeated here. This article will mainly use the first sealing method as an example and take the example of cutting the injection tube 5 away from the first end 52a of the flat section 521 away from the first section 51 for introduction.

[0063] The injection tube 5 can be made of aluminum tubing, which is easy to flatten and shape. After removing the third segment 53 and forming the flat segment 521, the cut flat segment 521 can be sealed away from the first end 52a of the first segment 51 by welding, for example, by argon arc welding or laser welding. Alternatively, a curing adhesive can be used to seal the cut flat segment 521 away from the first end 52a of the first segment 51.

[0064] Specifically, in step S1 (flattening at least the portion of the second segment 52 that is away from the first segment 51 to form a flat segment 521), the first pressing part (not shown in the figure) of the pressing machine is pressed against the side of the support part 2 away from the second segment 52, and the second pressing part (not shown in the figure) of the pressing machine is pressed against the side of the second segment 52 away from the support part 2, so that the first pressing part and the second pressing part are brought close together to form a flat segment 521. This step S1 uses the strong force of the pressing machine to flatten at least the portion of the second segment 52 that is away from the first segment 51 to form a flat segment 521, reducing the possibility of the flat segment 521 springing back, thereby reducing the possibility of the first end 52a (sealing part) of the flat segment 521 away from the first segment 51 breaking after sealing, thus improving the reliability of the heat sink.

[0065] Please refer to Figure 4 and Figure 6 As shown, during step S1 (flattening at least a portion of the second segment 52 away from the first segment 51 to form a flat segment 521), a contracted segment 522 can also be formed in the second segment 52 near the second end 52b of the first segment 51, and the second segment 52 can be flattened along the contracted segment 522 to the first end 52a of the second segment 52 to form a flat segment 521.

[0066] In this embodiment, please refer to Figure 4 and Figure 6 As shown, the first segment 51 is usually fixedly connected to the through hole 12 (by bonding or welding). Before the flat segment 521 is formed, the flattened part in the second segment 52 is usually kept at a preset distance L2 from the first segment 51 (the range of distance L2 is described later). During the formation of the flat segment 521, a contraction segment 522 for extension can be formed in the second segment 52 near the second end 52b of the first segment 51 to reduce the possibility of tensile fracture in the second segment 52.

[0067] Along the axis of the injection tube 5 and in the direction from the first section 51 to the second section 52, the cross-sectional area of ​​the contraction section 522 gradually decreases.

[0068] To further enhance the protection of the second segment 52 (flat segment 521), during the implementation of any of the above methods, a retaining part 3 can be installed on the support part 2. The retaining part 3 is located on both sides along the radial direction of the second segment 52. The support part 2 and the retaining part 3 together form a groove 4. The groove 4 can accommodate at least a portion of the second segment 52 or at least a portion of the flat segment 521, which can further increase the protection range of the second segment 52 or the flat segment 521, thereby further improving the reliability of the radiator.

[0069] Based on the sealing method of the radiator's injection pipe described above, the second aspect of this application provides a radiator, please refer to... Figures 1-2 , Figures 4-6 As shown, the radiator includes a body 1, a support 2, and a liquid injection pipe 5. The body 1 has an internal cavity 11 for containing the working fluid. A through hole 12 is provided on the side wall of the cavity 11, connecting the cavity 11 to the outside of the body 1 through the through hole 12. The support 2 is connected to the outer wall of the body 1. The liquid injection pipe 5 includes a first section 51 and a second section 52 that are connected. The first section 51 is located inside the through hole 12, and the outer wall of the second section 52 abuts against the support 2. The first end 52a of the second section 52, facing away from the first section 51, is located inside the edge of the support 2, or flush with the edge of the support 2.

[0070] In this embodiment, please refer to Figures 1-2 , Figures 4-6As shown, the cavity 11 of the main body 1 can be filled with a working fluid, allowing the radiator to absorb heat from other devices and equipment, thus achieving a heat dissipation function. A through hole 12 on the side wall of the cavity 11 is used to insert the first section 51 of the injection tube 5, allowing the user to inject the working fluid into the cavity 11 using the injection tube 5. After the working fluid is injected, the portion of the injection tube 5 located outside the main body 1 is sealed to reduce the possibility of leakage of the working fluid from the injection tube 5. The sealing method is as described above and will not be repeated here. Please refer to... Figures 5-6 As shown, since the cut second segment 52 abuts against the support portion 2 and does not protrude relative to the edge of the support portion 2, the support portion 2 can block interference from external foreign objects moving along the first direction X for the second segment 52. Even if there are external foreign objects moving in the opposite direction X, since the support portion 2 can support the second segment 52, the possibility of the second segment 52 bending and deforming in the first direction X and breaking is low. Figure 4 As shown, since the cut flat segment 521 does not protrude relative to the edge of the support portion 2, specifically, the first end 52a of the flat segment 521, which is away from the first segment 51, is located inside the edge of the support portion 2, or the first end 52a of the flat segment 521, which is away from the first segment 51, is flush with the edge of the support portion 2, the second segment 52 or the flat segment 521 can be free from interference from external foreign objects moving along the second direction Y and the third direction Z. The possibility of the second segment 52 bending and deforming in the second direction Y and the third direction Z, resulting in breakage, is low. Therefore, in this embodiment, the support portion 2 is used as a retaining member for the second segment 52, reducing the possibility of the second segment 52 interfering with external foreign objects, that is, the second segment 52 is not easily bent and deformed and broken, reducing the possibility of working fluid leakage. Therefore, the radiator of this embodiment has high reliability.

[0071] Based on the above, since the sealed injection tube 5 does not protrude relative to the support part 2, the volume of the radiator can be reduced, thereby saving packaging space for the radiator.

[0072] Please refer to Figure 6 As shown, the structure of the support part 2 can be a flat plate, and at least a portion of the second segment 52 can be flattened on the support part 2 to form a flat segment 521.

[0073] Please refer to Figure 7 As shown, the side of the support portion 2 that abuts against the second segment 52 is provided with a recessed portion 21, and the second segment 52 is at least partially embedded in the recessed portion 21, or the flat segment 521 is at least partially embedded in the recessed portion 21.

[0074] In this embodiment, please refer to Figure 7As shown, when the second segment 52 is not flattened to form a flat segment 521, the sidewall of the second segment 52 can abut against the recess 21. After at least a portion of the second segment 52 is flattened to form a flat segment 521, at least a portion of the flat segment 521 can be located in the recess 21, which can further reduce the possibility of the second segment 52 bending and deforming and breaking in the second direction Y and the third direction Z, making the possibility of working fluid leakage smaller.

[0075] The inner wall surface of the recessed portion 21 can be an arc surface, or the side wall and bottom arm of the recessed portion 21 can be flat.

[0076] The following descriptions of embodiments in this article mainly use the support portion 2 without the recessed portion 21 as an example.

[0077] Alternatively, the support part 2 can be integrally formed with the body 1, or the support part 2 can be detachably connected to the body 1.

[0078] Specifically, please refer to Figure 4 and Figure 6 As shown, the radiator may also include a retaining portion 3, which is located on both sides of the support portion 2 in the radial direction along the second segment 52, and the retaining portion 3 and the support portion 2 form a groove 4 that can accommodate at least part of the second segment 52.

[0079] In this embodiment, please refer to Figure 4 and Figure 6 As shown, the retaining portion 3 and the supporting portion 2 form a groove 4 with a semi-enclosed structure. This groove 4 can accommodate at least a portion of the second segment 52. With this arrangement, at least a portion of the sidewall of the second segment 52 or the flat segment 521 can be protected from interference by external foreign objects moving in the first direction X, and at least a portion of the sidewall of the second segment 52 or the flat segment 521 can be protected from interference by external foreign objects moving in the second direction Y. That is, by comprehensively utilizing the retaining structure of the supporting portion 2 and the retaining portion 3, the protection range of the second segment 52 or the flat segment 521 can be further increased, and the possibility of the second segment 52 or the flat segment 521 located outside the body 1 being bent and deformed and broken can be further reduced, that is, the possibility of working fluid leakage can be reduced. Therefore, the radiator of the embodiment of this application has higher reliability.

[0080] The embodiments of this application do not limit the number of blocking parts 3 located on one side of the second segment 52, and at least two separate blocking parts 3 may be provided on one side of the second segment 52.

[0081] Please refer to Figure 8 As shown, the spacing W between the stop portions 3 on both sides of the second segment 52 along the radial direction is greater than the diameter D of the through hole 12, and / or, the height H of the stop portion 3 is greater than the diameter D of the through hole 12.

[0082] In one embodiment, please refer to Figure 8 As shown, the gap W between the two retaining parts 3 can be larger than the diameter D of the through hole 12 (injection tube 5), which reduces the possibility of interference between the retaining parts 3 and the tool used to process the through hole 12. It also allows the injection tube 5 to easily pass through the gap between the two retaining parts 3. Furthermore, it allows for sufficient operating space so that the second segment 52 has room to extend after being flattened and deformed, reducing the possibility of stress concentration problems between the flat segment 521 and the retaining parts 3 due to compression. Wherein, W = π * D / 2.

[0083] In one embodiment, please refer to Figure 8 As shown, the height H of the baffle 3 can be greater than the diameter D of the through hole 12 (injection pipe 5), so that the projected area of ​​the baffle 3 along the second direction Y is greater than the projected area of ​​the side wall of the second section 52 along the second direction Y. This provides a larger protection range, reducing the possibility of the second section 52 being bent and deformed by external foreign objects and breaking. It also reduces the possibility of the second section 52 being worn and broken by external foreign objects, thus reducing the possibility of working fluid leakage. Specifically, the height H is at least 2 mm greater than the diameter D.

[0084] In one embodiment, please refer to Figure 8 As shown, the spacing W between the baffle portions 3 on both sides of the second segment 52 along the radial direction is greater than the diameter D of the through hole 12 (injection tube 5), and the height H of the baffle portion 3 is greater than the diameter D of the through hole 12. This embodiment of the application simultaneously possesses the effects of the first two embodiments described above, which will not be elaborated here. Furthermore, W = π * D / 2, and the height H is at least 2 mm greater than the diameter D.

[0085] The diameter of the injection tube 5 and the diameter D of the through hole 12 can be the same, allowing any segment of the injection tube 5 to serve as either the first segment 51 inserted into the through hole 12 or the second segment 52 located outside the body 1. This imposes fewer structural restrictions on the injection tube 5 and simplifies the manufacturing process. The diameter of the injection tube 5 is generally in the range of 3mm-6mm, specifically 3mm, 4mm, 5mm, and 6mm. When the diameter of the injection tube 5 is too small (e.g., less than 3mm), the injection speed is too slow. When the diameter of the injection tube 5 is too large (e.g., greater than 6mm), the injection tube 5 becomes too hard (the injection tube 5 is a metal tube), and when the second segment 52 is flattened to form a flat segment 521, the flat segment 521 is prone to springing back, which can easily lead to leakage at the sealing area.

[0086] Please refer to Figure 8As shown, the side of the support 2 that abuts against the outer wall of the second segment 52 is tangent to the inner wall of the through hole 12. This arrangement ensures that when the injection tube 5 is inserted into the through hole 12, the outer wall of the second segment 52 can precisely abut against the support 2, meaning the support 2 can precisely support the second segment 52. When the second segment 52 is flattened on the support 2, the shear force on the side closer to the support 2 at the connection point between the first segment 51 and the second segment 52 is less, and the possibility of breakage at the connection point between the first segment 51 and the second segment 52 is lower.

[0087] Please refer to Figure 8 As shown, the plane of the stop portion 3 can be perpendicular to the plane of the support portion 2, making the structure simple and easy to manufacture. The stop portion 3 can be integrally formed with the support portion 2, or the stop portion 3 can be detachably connected to the support portion 2.

[0088] More specifically, please refer to Figure 4 As shown, the stop portion 3 can be connected to the outer wall of the body 1, and / or the stop portion 3 can extend to the edge of the support portion 2 to form a groove 4 that can accommodate at least part of the second segment 52.

[0089] In the first embodiment, the stop portion 3 can be connected to the outer wall of the body 1 without extending to the edge of the support portion 2. This arrangement can increase the structural strength of the stop portion 3 and reduce the possibility of the stop portion 3 breaking due to collision or compression by external foreign objects, thereby improving the reliability of the stop portion 3 in protecting the second segment 52.

[0090] In the second embodiment, the baffle 3 can extend to the edge of the support 2 without connecting to the outer wall of the body 1. This arrangement can further reduce the possibility of interference between the first end 52a (sealing portion) of the flat segment 521, which is away from the first segment 51, and an external foreign object moving along the second direction Y. This further increases the protection range of the sealing portion, thereby further reducing the possibility of the sealing portion being bent or deformed by external foreign objects and breaking, or being worn by external foreign objects and breaking, that is, further reducing the possibility of working fluid leakage. Therefore, the reliability of the radiator in this embodiment can be further improved.

[0091] In the third embodiment, please refer to Figure 4 As shown, the blocking part 3 can be connected to the outer wall of the body 1, and the blocking part 3 can also extend to the edge of the support part 2. The third embodiment has the effects of both the first embodiment and the second embodiment, which will not be elaborated here.

[0092] Please refer to Figure 4 and Figure 6As shown, when the baffle 3 is connected to the outer wall of the body 1 and extends to the edge of the support 2, the groove 4 formed to accommodate the second segment 52 has a larger protection range for the second segment 52, further reducing the possibility that the second segment 52 will be bent and deformed by external foreign objects and break or be worn by external foreign objects and break. The possibility of working fluid leakage is also lower. Therefore, the radiator of this application embodiment has higher reliability.

[0093] Please refer to Figure 2 As shown, along the axial direction of the injection tube 5, the groove 4 has a set length L1 (the distance from the side wall of the body 1 to the edge of the support 2), with a length L1 ≥ 20 mm, so as to retain ample operating space for flattening at least a portion of the second section 52 away from the first section 51 and reliably sealing the first end 52a of the second section 52 away from the first section 51.

[0094] In the above embodiments, please refer to Figure 4 As shown, the second segment 52 includes a contraction segment 522 and a flattening segment 521. One end of the contraction segment 522 is connected to the first segment 51, and the other end of the contraction segment 522 is connected to the flattening segment 521.

[0095] Please refer to Figure 4 As shown, the first segment 51 is typically fixedly connected to the through hole 12 (by bonding or welding). Along the axial direction of the injection tube 5, the distance L2 between the end of the flat segment 521 closest to the body 1 and the side wall of the body 1 is at least greater than 0.5 mm, so that there is a contraction segment 522 for extension between the flat segment 521 and the first segment 51, reducing the possibility of breakage of the second segment 52. Along the axial direction of the injection tube 5, the length L3 of the flat segment 521 can be at least 3 mm. When welding the flat segment 521 along the axial direction of the injection tube 5, the welding length L4 can be at least 3 mm. The welding method used can be argon arc welding or laser welding to seal the gap of the flat segment 521.

[0096] In all the above embodiments, the radiator may be a thermosiphon radiator or other device containing a working fluid for heat dissipation.

[0097] In all the above embodiments, the working fluid is the substance that realizes the conversion of heat and work, and can be a gas or a liquid with phase change, such as water vapor or refrigerant.

[0098] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A method for sealing the liquid injection pipe of a radiator, characterized in that, The heat sink includes: The body has an internal cavity for containing a working fluid, and the side wall of the cavity has a through hole, through which the cavity communicates with the outside of the body. The support portion is connected to the outer wall of the main body; The injection tube, before being sealed, comprises a first section, a second section, and a third section connected in sequence. The first section is located inside the through hole, the outer wall of the second section abuts against the support portion, and the third section is located outside the support portion. A retaining portion is provided on both sides of the support portion along the radial direction of the second segment, and the retaining portion and the support portion form a groove that can accommodate at least part of the second segment. The plane where the retaining portion is located is perpendicular to the plane where the support portion is located. The spacing dimension W between the retaining portions is greater than the diameter D of the through hole, and / or the height dimension H of the retaining portion is greater than the diameter D of the through hole. The sealing method for the radiator's injection pipe includes: The second segment is flattened at least a portion away from the first segment to form a flat segment; Cut the injection tube along the first end of the flat section away from the first section; Seal the cut flat segment away from the first end of the first segment.

2. The sealing method for the liquid injection pipe of the radiator according to claim 1, characterized in that, The step of flattening at least a portion of the second segment away from the first segment to form the flat segment includes: The first pressing part of the pressing machine is brought into contact with the side of the support part away from the second section, and the second pressing part of the pressing machine is brought into contact with the side of the second section away from the support part, so that the first pressing part and the second pressing part are brought close together to form the flat section.

3. The sealing method for the liquid injection pipe of the radiator according to claim 1, characterized in that, The step of flattening at least a portion of the second segment away from the first segment to form the flattened segment includes: A contraction segment is formed at the second end of the second segment near the second end of the first segment; The second segment is flattened along the side of the contracted section near the second segment to the first end of the second segment away from the first segment to form the flattened segment.

4. A radiator, characterized in that, The radiator's injection pipe is sealed using the sealing method described in any one of claims 1-3, wherein the radiator comprises: The body has an internal cavity for containing a working fluid, and the side wall of the cavity has a through hole, through which the cavity communicates with the outside of the body. The support portion is connected to the outer wall of the main body; The injection tube includes a first section and a second section that are connected to each other. The first section is located inside the through hole, and the outer wall of the second section abuts against the support portion. The first end of the second section away from the first section is located inside the edge of the support portion or flush with the edge of the support portion. A retaining portion is provided on both sides of the support portion along the radial direction of the second segment, and the retaining portion and the support portion form a groove that can accommodate at least part of the second segment. The plane where the retaining portion is located is perpendicular to the plane where the support portion is located. The spacing dimension W between the retaining portions is greater than the diameter D of the through hole, and / or the height dimension H of the retaining portion is greater than the diameter D of the through hole.

5. The radiator according to claim 4, characterized in that, The side of the support that abuts against the second section has a recessed portion, and the second section is at least partially embedded in the recessed portion.

6. The radiator according to claim 4, characterized in that, The stop portion is connected to the outer wall of the body, and the stop portion extends to the edge of the support portion to form a groove that can accommodate at least a portion of the second segment.

7. The radiator according to claim 4, characterized in that, The side of the support that abuts against the outer wall of the second section is tangent to the inner wall of the through hole.

8. The radiator according to claim 4, characterized in that, The second segment includes a contraction segment and a flattening segment. One end of the contraction segment is connected to the first segment, and the other end of the contraction segment is connected to the flattening segment.

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