Machining method of heat exchange part

Abstract

The embodiment of the invention discloses a machining method of a heat exchange part. The machining method of the heat exchange part comprises the steps that a liquid cooling layer is obtained; bonding layers are bonded to the two sides of the liquid cooling layer respectively, and a prefabricated liquid cooling layer is formed; cutting the prefabricated liquid cooling layer and forming a runner groove; obtaining a first cover plate and a second cover plate; adhering the first cover plate to the first side of the prefabricated liquid cooling layer; and the second cover plate is pasted to the second side of the prefabricated liquid cooling layer, so that the first cover plate, the second cover plate and the prefabricated liquid cooling layer define a flow channel at the flow channel groove. Therefore, the first cover plate can be bonded with the first side of the prefabricated liquid cooling layer, the second cover plate can be bonded with the second side of the prefabricated liquid cooling layer, sealing connection of the first cover plate, the second cover plate and the prefabricated liquid cooling layer is achieved through bonding, the sealing technology can be simplified, and therefore the machining difficulty of the heat exchange piece is lowered.

Description

Technical Field

[0001] This invention relates to the field of heat transfer technology, and more specifically, to a method for processing a heat exchanger. Background Technology

[0002] As electronic devices become increasingly integrated, heat dissipation has become a key factor limiting their performance improvement. Liquid cooling plates, as a highly efficient heat dissipation component, are widely used in various high-power-density electronic devices.

[0003] In existing liquid cooling plate manufacturing processes, the flow channel layer and the sealing layer are typically sealed using a hot-pressing process. However, due to the complexity and diversity of the flow channels within the flow channel layer, positioning molds are often required to position the flow channel layer and the sealing layer during the hot-pressing sealing process, making the liquid cooling plate manufacturing process quite complex. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the purpose of this invention is to provide a novel processing method for heat exchange components.

[0005] According to one aspect of the present invention, a method for processing a heat exchanger is provided.

[0006] The processing method of the heat exchanger includes:

[0007] Obtain the liquid cooling layer;

[0008] Adhesive layers are attached to both sides of the liquid cooling layer to form a prefabricated liquid cooling layer;

[0009] Cut the pre-fabricated liquid cooling layer and form flow channel grooves;

[0010] Obtain the first cover plate and the second cover plate;

[0011] The first cover plate is attached to the first side of the pre-fabricated liquid cooling layer;

[0012] The second cover plate is attached to the second side of the pre-formed liquid cooling layer so that the first cover plate, the second cover plate, and the pre-formed liquid cooling layer form a flow channel at the flow channel groove.

[0013] Optionally, after the adhesive layers are respectively pasted on both sides of the liquid cooling layer to form a pre-fabricated liquid cooling layer, the method further includes:

[0014] A protective film is attached to at least one of the first side and the second side of the pre-formed liquid cooling layer.

[0015] Optionally, attaching a protective film to at least one of the first side and the second side of the pre-formed liquid cooling layer includes:

[0016] A first protective film is attached to the first side of the pre-formed liquid cooling layer, and a second protective film is attached to the second side of the pre-formed liquid cooling layer.

[0017] Optionally, attaching the first cover plate to the first side of the pre-fabricated liquid cooling layer includes:

[0018] First, remove the first protective film;

[0019] Then, attach the first cover plate to the pre-fabricated liquid cooling layer.

[0020] Optionally, attaching the second cover plate to the second side of the pre-fabricated liquid cooling layer includes:

[0021] First, remove the second protective film;

[0022] Then, attach the second cover plate to the pre-fabricated liquid cooling layer.

[0023] Optionally, obtaining the first cover plate and the second cover plate includes:

[0024] A first positioning film is attached to the first side of the first cover plate, and a second positioning film is attached to the first side of the second cover plate.

[0025] Optionally, the step of attaching the first cover plate to the pre-fabricated liquid cooling layer includes:

[0026] The side of the first cover plate away from the first side is attached to the pre-fabricated liquid cooling layer;

[0027] The step of attaching the second cover plate to the pre-fabricated liquid cooling layer includes:

[0028] The side of the second cover plate furthest from the first side is attached to the pre-formed liquid cooling layer.

[0029] Optionally, after attaching the side of the second cover plate away from the first side to the pre-fabricated liquid cooling layer, the method further includes:

[0030] The first positioning film, the first cover plate, the pre-made liquid cooling layer, the second cover plate, and the second positioning film are cut together along the height direction of the heat exchanger.

[0031] Optionally, after cutting the first positioning film, the first cover plate, the pre-formed liquid cooling layer, the second cover plate, and the second positioning film together along the height direction of the heat exchanger, the method further includes:

[0032] Remove the first positioning film and the second positioning film to obtain the heat exchanger.

[0033] Optionally, after cutting the first positioning film, the first cover plate, the pre-formed liquid cooling layer, the second cover plate, and the second positioning film together along the height direction of the heat exchanger, the method further includes:

[0034] Perform the rolling process.

[0035] Optionally, the rolling parameters of the rolling process include rolling temperature and rolling pressure, with the rolling temperature ranging from 60°C to 110°C and the rolling pressure ranging from 0.2MPa to 0.25MPa.

[0036] Optionally, obtaining the first cover plate and the second cover plate further includes:

[0037] Cut at least one of the first cover plate and the second cover plate to form a working fluid inlet and a working fluid outlet, wherein the working fluid inlet and the working fluid outlet are respectively connected to the flow channel.

[0038] Optionally, cutting the pre-fabricated liquid cooling layer and forming flow channel grooves includes:

[0039] The first protective film and the pre-formed liquid cooling layer are cut along the height direction of the heat exchanger to form a flow channel groove.

[0040] Optionally, adhesive layers are attached to both sides of the liquid cooling layer, including:

[0041] The adhesive layer is formed by dispensing or screen printing.

[0042] One technical advantage of the embodiments disclosed herein is that:

[0043] The processing method of the heat exchanger includes obtaining a liquid cooling layer; attaching adhesive layers to both sides of the liquid cooling layer to form a pre-fabricated liquid cooling layer; cutting the pre-fabricated liquid cooling layer to form a flow channel groove; obtaining a first cover plate and a second cover plate; attaching the first cover plate to a first side of the pre-fabricated liquid cooling layer; and attaching the second cover plate to a second side of the pre-fabricated liquid cooling layer, so that the first cover plate, the second cover plate, and the pre-fabricated liquid cooling layer form a flow channel at the flow channel groove. In this way, the first cover plate can be bonded to the first side of the pre-fabricated liquid cooling layer, and the second cover plate can be bonded to the second side of the pre-fabricated liquid cooling layer, respectively, to achieve a sealed connection between the first cover plate, the second cover plate, and the pre-fabricated liquid cooling layer through bonding. This simplifies the sealing process and reduces the processing difficulty of the heat exchanger.

[0044] Other features and advantages of the invention will become clear from the following detailed description of exemplary embodiments of the invention with reference to the accompanying drawings. Attached Figure Description

[0045] The accompanying drawings, which form part of this specification, illustrate embodiments of the invention and, together with the specification, serve to explain the principles of the invention.

[0046] Figure 1 This is a schematic diagram of a heat exchanger according to an embodiment of the present disclosure;

[0047] Figure 2 This is a flowchart of a processing method for a heat exchanger according to an embodiment of the present disclosure.

[0048] Explanation of reference numerals in the attached figures:

[0049] 1. First cover plate; 2. Pre-fabricated liquid cooling layer; 21. Flow channel; 22. Liquid cooling layer; 23. Adhesive layer; 3. Second cover plate. Detailed Implementation

[0050] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention.

[0051] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0052] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.

[0053] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0054] It should be noted that similar labels and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be discussed further in subsequent figures.

[0055] This invention provides a method for processing a heat exchange component, which can be applied to heat exchange in electronic devices such as tablet computers, laptops, VR (Virtual Reality) products, AR (Augmented Reality) products, and watches.

[0056] like Figure 2 As shown, the processing method of the heat exchanger provided in this embodiment of the invention includes:

[0057] S1. Obtain the liquid cooling layer 22;

[0058] Obtaining the liquid cooling layer 22 includes either processing the liquid cooling layer 22 or purchasing the liquid cooling layer 22 as raw material.

[0059] The liquid cooling layer 22 may include a polymer material layer and / or a metal layer. For example, the liquid cooling layer 22 may include a metal layer, which can improve the strength and thermal conductivity of the liquid cooling layer 22, thereby improving the heat exchange efficiency of the heat exchanger, reducing the operating temperature of the electronic device with the heat exchanger, and also facilitating the reduction of the thickness of the liquid cooling layer 22; the liquid cooling layer 22 may also include a polymer material layer, which can meet the lightweight design requirements of the heat exchanger, thereby facilitating the portability and use of the electronic device with the heat exchanger; the liquid cooling layer 22 may also include both a polymer material layer and a metal layer, which can combine the characteristics of both to improve the overall performance of the heat exchanger.

[0060] For example, the liquid cooling layer 22 can be made of metal materials with high thermal conductivity and corrosion resistance, such as copper, aluminum or stainless steel alloys. The liquid cooling layer 22 can also be made of polymer materials such as PET (polyethylene terephthalate) and PBT (polybutylene terephthalate).

[0061] S2. Adhesive layers 23 are attached to both sides of the liquid cooling layer 22 to form a prefabricated liquid cooling layer 2;

[0062] The liquid cooling layer 22 has a first adhesive layer 23 on one side and a second adhesive layer 23 on the opposite side. The first adhesive layer 23, the liquid cooling layer 22, and the second adhesive layer 23 together form the prefabricated liquid cooling layer 2. The first adhesive layer 23, the liquid cooling layer 22, and the second adhesive layer 23 can be designed to have basically similar shapes to facilitate the subsequent processing of the flow channels.

[0063] The adhesive layer 23 may include one, two or even multiple layers of adhesive, including polyolefin elastomer adhesive, polyurethane adhesive, butyl adhesive, pressure-sensitive adhesive, pressure-sensitive hot melt composite film, hot melt adhesive or thermosetting adhesive.

[0064] The adhesive can be applied by dispensing or screen printing to form an adhesive layer 23, which together with the liquid cooling layer 22 constitutes the pre-fabricated liquid cooling layer 2. In the dispensing and screen printing processes, the amount and distribution of the adhesive can be precisely controlled, ensuring that the adhesive layer 23 has a uniform thickness on both sides of the liquid cooling layer 22 and only covers the areas requiring bonding. This helps reduce unnecessary material waste and improves the strength and sealing of the bond.

[0065] The coating shape and spacing of the adhesive can be adjusted as needed to adapt to liquid cooling layers 22 of different shapes and sizes, which helps to optimize the structure of the adhesive layer 23, increase the contact area and adhesion of the bonding interface, and thus enhance the overall bonding performance and sealing effect of the heat exchanger.

[0066] In this process, the thickness of the adhesive layer 23 can be precisely controlled between 0.025mm and 0.05mm during dispensing or screen printing. This allows for a reliable connection between the liquid cooling layer 22 and the cover plates on both sides while also reducing the thickness of the adhesive layer 23, thereby reducing the overall thickness of the heat exchanger and meeting the requirements for thinner and lighter electronic devices using this heat exchanger. Furthermore, controlling the thickness of the adhesive layer 23 also prevents increased resistance caused by an excessively thick adhesive layer 23, thus avoiding interference with the flow of the working fluid within the flow channel.

[0067] S3. Cut the pre-fabricated liquid cooling layer 2 and form a flow channel 21;

[0068] In the process of cutting the flow channel 21, the first adhesive layer 23, the liquid cooling layer 22, and the second adhesive layer 23 are first stacked to form a pre-fabricated liquid cooling layer 2. Then, the pre-fabricated liquid cooling layer 2 is cut along a predetermined path to form the flow channel 21. This allows the first adhesive layer 23, the liquid cooling layer 22, and the second adhesive layer 23 to jointly form the sidewall of the flow channel 21. This facilitates the formation of the flow channel 21 while also enhancing the sealing of the sidewall of the flow channel 21, thereby ensuring the sealing of the flow channel formed on the heat exchanger and thus guaranteeing the heat exchange effect of the manufactured heat exchanger.

[0069] The flow channel 21 extends along the thickness direction of the pre-fabricated liquid cooling layer 2. This simplifies the process of creating the flow channel 21 and reduces manufacturing difficulty. Furthermore, it allows the working fluid to flow smoothly within the flow channel 21, ensuring full contact with the liquid cooling layer 22 and achieving efficient heat transfer. Depending on the design, the shape of the flow channel 21 may include, but is not limited to, straight, serpentine, and spiral shapes to optimize the flow path and heat exchange efficiency. Corresponding connectors or interfaces can also be installed at the inlet and outlet of the flow channel to facilitate connection with external heat exchange systems such as water micropumps and radiators, forming a complete heat exchange cycle.

[0070] S4. Obtain the first cover plate 1 and the second cover plate 3;

[0071] Obtaining the first cover plate 1 includes processing the first cover plate 1 or purchasing the first cover plate 1 as raw material, and obtaining the second cover plate 3 includes processing the second cover plate 3 or purchasing the second cover plate 3 as raw material.

[0072] Depending on the actual design requirements, the first cover plate 1 can include a polymer material layer and / or a metal layer. For example, the first cover plate 1 can include a metal layer, which can improve the overall strength and thermal conductivity of the heat exchanger, thereby ensuring the stability of the electronic device with the heat exchanger in complex working environments and reducing the operating temperature of the electronic device; the first cover plate 1 can also include a polymer material layer, which can meet the lightweight design requirements of the heat exchanger, thereby facilitating the portability and use of the electronic device with the heat exchanger; the first cover plate 1 can also include both a polymer material layer and a metal layer, which can combine the characteristics of both to improve the overall performance of the heat exchanger.

[0073] Similarly, depending on actual design requirements, the second cover plate 3 can also include a polymer material layer and / or a metal layer. For example, the second cover plate 3 can include a metal layer, which can improve the overall strength and thermal conductivity of the heat exchanger, thereby ensuring the stability of electronic devices with the heat exchanger in complex working environments and reducing the operating temperature of the electronic devices; the second cover plate 3 can also include a polymer material layer, which can meet the lightweight design requirements of the heat exchanger, thereby facilitating the carrying and use of electronic devices with the heat exchanger; the second cover plate 3 can also include both a polymer material layer and a metal layer, which can combine the characteristics of both to improve the overall performance of the heat exchanger.

[0074] S5. Attach the first cover plate 1 to the first side of the pre-fabricated liquid cooling layer 2;

[0075] S6. Attach the second cover plate 3 to the second side of the pre-formed liquid cooling layer 2 so that the first cover plate 1, the second cover plate 3 and the pre-formed liquid cooling layer 2 form a flow channel at the flow channel groove 21.

[0076] In this structure, the first side of the prefabricated liquid cooling layer 2 is bonded to the first cover plate 1, and the second side of the prefabricated liquid cooling layer 2 is bonded to the second cover plate 3, forming an integral structure of the heat exchange component, such as... Figure 1 As shown. In this way, the first cover plate 1, the pre-fabricated liquid cooling layer 2 and the second cover plate 3 can form an adhesive seal through the adhesive layer 23, thereby simplifying the processing technology of the heat exchanger and reducing the processing difficulty of the heat exchanger.

[0077] Furthermore, the flow channel 21 is formed on the prefabricated liquid cooling layer 2, allowing the first cover plate 1 to be attached while the prefabricated liquid cooling layer 2 remains in place, and then the second cover plate 3 to be attached after flipping it over. This avoids interference with the flow channel 21 during the sealing process and prevents misalignment of the flow channel 21. The cover plate itself can also serve as a positioning component during the mounting process, eliminating the need for customized complex positioning molds, reducing mold opening costs, and ensuring the structural reliability of the heat exchanger.

[0078] The first cover plate 1 and the second cover plate 3 are respectively sealed to the liquid cooling layer 22 through their respective adhesive layers 23, so that the first cover plate 1, the second cover plate 3, and the pre-fabricated liquid cooling layer 2 can form a closed flow channel at the flow channel groove 21. The working fluid flows in the flow channel, thereby realizing the heat exchange function of the heat exchanger. In addition, the surfaces of the first cover plate 1 and the second cover plate 3 that are in contact with the adhesive layer 23 can be specially treated, such as surface roughening, to enhance the bonding strength between the first cover plate 1 and the second cover plate 3 and the adhesive layer 23.

[0079] In addition, heat dissipation fins can be provided on the first cover plate 1 and / or the second cover plate 3 to increase the heat exchange area and promote air convection, thereby further improving the heat exchange effect of the heat exchanger. Alternatively, a more efficient working fluid (such as a low-viscosity, high-thermal-conductivity liquid) or a phase change material can be used to further improve the heat exchange effect of the heat exchanger.

[0080] The heat exchanger obtained using the processing method provided in this invention can be widely used in heat exchange for electronic devices such as tablets, laptops, smart glasses, smartwatches, and smart head-mounted displays. It can effectively reduce the operating temperature of electronic devices and improve their operational stability and lifespan. It is thin, lightweight, has high heat exchange efficiency, and is easy to process and install, thus possessing promising market application prospects.

[0081] Optionally, after the adhesive layers 23 are respectively attached to both sides of the liquid cooling layer 22 to form the prefabricated liquid cooling layer 2, the method further includes:

[0082] A protective film is attached to at least one of the first side and the second side of the pre-formed liquid cooling layer 2.

[0083] In this embodiment, according to the needs of the actual production process, a first protective film can be adhered to the first side of the pre-fabricated liquid cooling layer 2, or a second protective film can be adhered to the second side of the pre-fabricated liquid cooling layer 2. Alternatively, a first protective film can be adhered to the first side of the pre-fabricated liquid cooling layer 2 and a second protective film can be adhered to the second side of the pre-fabricated liquid cooling layer 2, thereby forming a protective layer for the pre-fabricated liquid cooling layer 2 using the first protective film and / or the second protective film.

[0084] On the one hand, the protective film can maintain the overall structural temperature of the pre-fabricated liquid cooling layer 2, thereby ensuring the heat exchange effect of the heat exchanger. On the other hand, the application of the protective film can also position the pre-fabricated liquid cooling layer 2, preventing the flow channel position inside the pre-fabricated liquid cooling layer 2 from shifting during processes such as cover plate installation, thus ensuring the structural stability of the heat exchanger. The protective film is made of a polymer material layer and / or a metal layer, and its thickness can be designed to be relatively thin to facilitate subsequent removal processes.

[0085] Optionally, attaching a protective film to at least one of the first side and the second side of the pre-fabricated liquid cooling layer 2 includes:

[0086] A first protective film is attached to the first side of the pre-formed liquid cooling layer 2, and a second protective film is attached to the second side of the pre-formed liquid cooling layer 2.

[0087] In this embodiment, a first protective film is pasted on the first side of the pre-fabricated liquid cooling layer 2, and a second protective film is pasted on the second side of the pre-fabricated liquid cooling layer 2. The first and second protective films can position and protect the pre-fabricated liquid cooling layer 2 from two opposite directions, which can prevent the flow channel position inside the pre-fabricated liquid cooling layer 2 from shifting during the process of attaching cover plates, etc., thereby ensuring the structural stability of the heat exchanger.

[0088] Optionally, attaching the first cover plate 1 to the first side of the pre-fabricated liquid cooling layer 2 includes:

[0089] First, remove the first protective film;

[0090] Then, attach the first cover plate 1 to the pre-fabricated liquid cooling layer 2.

[0091] In this embodiment, an easy-tear material can be used to make the first protective film, which facilitates its removal. After completing the processing of the flow channel groove 21 on the pre-fabricated liquid cooling layer 2, the first protective film can be removed first, and then the first cover plate 1 can be pasted to the first side of the pre-fabricated liquid cooling layer 2 to form a seal on the flow channel groove 21 on the pre-fabricated liquid cooling layer 2 from the first side, which also helps to reduce the overall thickness of the heat exchange component.

[0092] Optionally, attaching the second cover plate 3 to the second side of the pre-fabricated liquid cooling layer 2 includes:

[0093] First, remove the second protective film;

[0094] Then, attach the second cover plate 3 to the pre-fabricated liquid cooling layer 2.

[0095] In this embodiment, an easy-tear material can be used to make the second protective film, which facilitates its removal. After completing the processing of the flow channel groove 21 on the pre-fabricated liquid cooling layer 2, the first cover plate 1 can be pasted first, then flipped over and the second protective film removed. Finally, the second cover plate 3 is pasted on the second side of the pre-fabricated liquid cooling layer 2, so as to form a seal on the flow channel groove 21 on the pre-fabricated liquid cooling layer 2 from two directions, and also facilitate the reduction of the overall thickness of the heat exchange component.

[0096] Optionally, obtaining the first cover plate 1 and the second cover plate 3 includes:

[0097] A first positioning film is attached to the first side of the first cover plate 1, and a second positioning film is attached to the first side of the second cover plate 3.

[0098] In this embodiment, when the first cover plate 1 is placed on the workbench, the side of the first cover plate 1 closest to the workbench is designated as the first side, and the side of the first cover plate 1 furthest from the workbench is designated as the second side. A first positioning film is affixed to the first side of the first cover plate 1. The first positioning film can position the first cover plate 1, simplifying the application process and improving its speed and reliability. Furthermore, the first positioning film also protects the first cover plate 1 during application, preventing damage during the application process.

[0099] Similarly, when the second cover plate 3 is placed on the workbench, the side of the second cover plate 3 closest to the workbench is the first side, and the side of the second cover plate 3 furthest from the workbench is the second side. A second positioning film is affixed to the first side of the second cover plate 3. The second positioning film can position the second cover plate 3, simplifying the application process and improving its speed and reliability. Furthermore, the second positioning film also protects the second cover plate 3 during application, preventing damage from the application process.

[0100] Optionally, the step of attaching the first cover plate 1 to the pre-fabricated liquid cooling layer 2 includes:

[0101] The side of the first cover plate 1 away from the first side is attached to the pre-fabricated liquid cooling layer 2;

[0102] The step of attaching the second cover plate 3 to the pre-fabricated liquid cooling layer 2 includes:

[0103] The second cover plate 3 is attached to the side away from the first side onto the pre-fabricated liquid cooling layer 2.

[0104] In this embodiment, after positioning the first cover plate 1 and the second cover plate 3, the first cover plate 1 and the second cover plate 3 can be sequentially affixed. Specifically, after completing the processing of the flow channel groove 21 on the pre-fabricated liquid cooling layer 2, the first protective film is removed first, and then the second side of the first cover plate 1 is bonded to the first side of the pre-fabricated liquid cooling layer 2, at which point the first positioning film is exposed; then the cover plate is flipped over and the second protective film is removed, and finally the second side of the second cover plate 3 is bonded to the second side of the pre-fabricated liquid cooling layer 2, at which point the second positioning film is exposed, so that the flow channel groove 21 on the pre-fabricated liquid cooling layer 2 can be sealed from two directions by the first cover plate 1 and the second cover plate 3.

[0105] The first and second positioning films serve two purposes: firstly, they protect the cover plate during the application process, preventing damage to the cover plate itself; secondly, they guide the application of the cover plate, reducing the difficulty of application and improving the accuracy and reliability of application.

[0106] Optionally, after attaching the side of the second cover plate 3 away from the first side to the pre-fabricated liquid cooling layer 2, the method further includes:

[0107] The first positioning film, the first cover plate 1, the pre-made liquid cooling layer 2, the second cover plate 3, and the second positioning film are cut together along the height direction of the heat exchanger.

[0108] In this embodiment, laser cutting, plasma cutting, die cutting and other cutting methods can be used to cut the first positioning film, the first cover plate 1, the pre-made liquid cooling layer 2, the second cover plate 3 and the second positioning film together to obtain the external structure of the heat exchanger. The overall cutting can also ensure the sealing of the heat exchanger.

[0109] Optionally, after cutting the first positioning film, the first cover plate 1, the pre-formed liquid cooling layer 2, the second cover plate 3, and the second positioning film together along the height direction of the heat exchanger, the method further includes:

[0110] Remove the first positioning film and the second positioning film to obtain the heat exchanger.

[0111] In this embodiment, after cutting out the external structure of the heat exchanger, the first and second positioning films on both sides are removed to form the final structure of the heat exchanger, which also facilitates reducing the overall thickness of the heat exchanger. The first and second positioning films can be made of easy-tear material to facilitate removal and reduce processing difficulty.

[0112] Optionally, after cutting the first positioning film, the first cover plate 1, the pre-formed liquid cooling layer 2, the second cover plate 3, and the second positioning film together along the height direction of the heat exchanger, the method further includes:

[0113] Perform the rolling process.

[0114] In this embodiment, after cutting the outer shape of the heat exchanger, the entire assembly can be rolled first and then the two positioning films can be removed, or the two positioning films can be removed first and then the entire assembly can be rolled. The rolling process can improve the connection strength between the adhesive layer 23 and the liquid cooling layer 22, reduce defects such as pores, and thus ensure the structural reliability of the heat exchanger.

[0115] In this method, it is preferable to remove the two positioning films first and then roll-press the whole product. This avoids the increased difficulty in removing the positioning films caused by the rolling process, reduces the difficulty of removing the positioning films, and thus reduces the processing difficulty of the heat exchanger.

[0116] Optionally, the rolling parameters of the rolling process include rolling temperature and rolling pressure. The rolling temperature range is 60°C to 110°C, and the rolling pressure range is 0.2MPa to 0.25MPa. This can improve the connection strength between the adhesive layer 23 and the liquid cooling layer 22 while avoiding abnormal situations such as collapse of the pre-fabricated liquid cooling layer 2 or glue overflow.

[0117] Optionally, obtaining the first cover plate 1 and the second cover plate 3 further includes:

[0118] Cut at least one of the first cover plate 1 and the second cover plate 3 to form a working fluid inlet and a working fluid outlet, wherein the working fluid inlet and the working fluid outlet are respectively connected to the flow channel.

[0119] In this embodiment, the specific locations of the working fluid inlet and outlet can be designed according to the actual positional relationship between the heat exchanger and the micropump. For example, when the micropump is located above the heat exchanger, the working fluid inlet and outlet can be formed by cutting on the first cover plate 1 near the micropump; when the micropump is located below the heat exchanger, the working fluid inlet and outlet can be formed by cutting on the second cover plate 3 near the micropump; when there is a certain distance between the micropump and the heat exchanger, the working fluid inlet can be formed by cutting on one of the first cover plate 1 and the second cover plate 3, and the working fluid outlet can be formed by cutting on the other of the first cover plate 1 and the second cover plate 3.

[0120] The cutting of at least one of the first cover plate 1 and the second cover plate 3 to form a working fluid inlet and a working fluid outlet can be carried out with the corresponding positioning membranes affixed, which can ensure the positional reliability of the working fluid inlet and the working fluid outlet.

[0121] The heat exchanger has a first working fluid inlet and a first working fluid outlet, while the micropump has a second working fluid inlet and a second working fluid outlet. The first working fluid inlet and the first working fluid outlet are connected to a flow channel, and the first working fluid inlet is connected to the second working fluid outlet, and the first working fluid outlet is connected to the second working fluid inlet. Thus, the working fluid can enter the flow channel through the second working fluid outlet and the first working fluid inlet, and return to the micropump from the flow channel through the first working fluid outlet and the second working fluid inlet, thereby achieving working fluid circulation.

[0122] Optionally, the step of cutting the pre-fabricated liquid cooling layer 2 and forming the flow channel 21 includes:

[0123] The first protective film and the pre-made liquid cooling layer 2 are cut along the height direction of the heat exchanger to form a flow channel groove 21.

[0124] In this embodiment, the first protective film and the pre-formed liquid cooling layer 2 are cut together to form the flow channel 21. This allows the first protective film and the pre-formed liquid cooling layer 2 to jointly form the sidewall of the flow channel 21. This facilitates the formation of the flow channel 21 while also enhancing the sealing of the sidewall, thereby ensuring the sealing of the flow channel formed on the heat exchanger and thus guaranteeing the heat exchange effect. Furthermore, only the first protective film and the pre-formed liquid cooling layer 2 are cut, while the second protective film at the bottom is retained. This allows the second protective film to provide increased support for the flow channel 21 formed by the first protective film and the pre-formed liquid cooling layer 2, ensuring the structural stability of the flow channel.

[0125] Optionally, adhesive layers 23 are attached to both sides of the liquid cooling layer 22, including:

[0126] The adhesive layer 23 is formed by dispensing or screen printing.

[0127] In this embodiment, the amount and distribution of the adhesive in the dispensing and screen printing processes can be precisely controlled, ensuring that the adhesive layer 23 has a uniform thickness on both sides of the liquid cooling layer 22 and only covers the areas to be bonded. This helps reduce unnecessary material waste and improves the bonding strength and sealing performance. Furthermore, the shape and spacing of the adhesive application can be adjusted as needed to accommodate liquid cooling layers 22 and cover plates of different shapes and sizes. This helps optimize the structure of the adhesive layer 23, increases the contact area and adhesion of the bonding interface, and thus enhances the overall bonding performance and sealing effect of the heat exchanger.

[0128] The above embodiments mainly describe the differences between the various embodiments. As long as the different optimization features between the various embodiments are not contradictory, they can be combined to form a better embodiment. For the sake of brevity, they will not be elaborated here.

[0129] While specific embodiments of the invention have been described in detail by way of examples, those skilled in the art should understand that the examples are for illustrative purposes only and not intended to limit the scope of the invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A method of processing a heat exchanger member, characterized by, The method comprises the following steps: obtaining a liquid cooling layer; attaching an adhesive layer on both sides of the liquid cooling layer to form a prefabricated liquid cooling layer; cutting the prefabricated liquid cooling layer to form a flow channel groove; obtaining a first cover plate and a second cover plate; attaching the first cover plate to the first side of the prefabricated liquid cooling layer; attaching the second cover plate to the second side of the prefabricated liquid cooling layer to form a flow channel at the flow channel groove with the first cover plate, the second cover plate and the prefabricated liquid cooling layer.

2. The heat exchanging member processing method according to claim 1, wherein After the step of attaching an adhesive layer on both sides of the liquid cooling layer to form a prefabricated liquid cooling layer, the method further comprises the following steps: attaching a protective film to at least one of the first side of the prefabricated liquid cooling layer and the second side of the prefabricated liquid cooling layer.

3. The heat exchanging member processing method according to claim 2, wherein The step of attaching a protective film to at least one of the first side of the prefabricated liquid cooling layer and the second side of the prefabricated liquid cooling layer comprises the following steps: attaching a first protective film to the first side of the prefabricated liquid cooling layer and a second protective film to the second side of the prefabricated liquid cooling layer.

4. The heat exchanging member processing method according to claim 3, wherein The step of attaching the first cover plate to the first side of the prefabricated liquid cooling layer comprises the following steps: removing the first protective film; attaching the first cover plate to the prefabricated liquid cooling layer.

5. The heat exchanging member processing method according to claim 4, wherein The step of attaching the second cover plate to the second side of the prefabricated liquid cooling layer comprises the following steps: removing the second protective film; attaching the second cover plate to the prefabricated liquid cooling layer.

6. The heat exchanging member processing method according to claim 5, wherein The step of obtaining a first cover plate and a second cover plate comprises the following steps: attaching a first positioning film to the first side of the first cover plate and a second positioning film to the first side of the second cover plate.

7. The heat exchanging member processing method according to claim 6, wherein The step of attaching the first cover plate to the prefabricated liquid cooling layer comprises the following steps: attaching the side of the first cover plate away from the first side to the prefabricated liquid cooling layer; The step of attaching the second cover plate to the prefabricated liquid cooling layer comprises the following steps: attaching the side of the second cover plate away from the first side to the prefabricated liquid cooling layer.

8. The heat exchanging member processing method according to claim 7, wherein After the step of attaching the side of the second cover plate away from the first side to the prefabricated liquid cooling layer, the method further comprises the following steps: cutting the first positioning film, the first cover plate, the prefabricated liquid cooling layer, the second cover plate and the second positioning film together along the height direction of the heat exchange element.

9. The heat exchanging member processing method according to claim 8, wherein After the step of cutting the first positioning film, the first cover plate, the prefabricated liquid cooling layer, the second cover plate and the second positioning film together along the height direction of the heat exchange element, the method further comprises the following steps: removing the first positioning film and the second positioning film to obtain the heat exchange element.

10. The heat exchanging member processing method according to claim 8, wherein After the step of cutting the first positioning film, the first cover plate, the prefabricated liquid cooling layer, the second cover plate and the second positioning film together along the height direction of the heat exchange element, the method further comprises the following steps: performing a rolling process.

11. The heat exchanging member processing method according to claim 10, wherein The rolling parameters of the rolling process include a rolling temperature and a rolling pressure, the rolling temperature ranges from 60°C to 110°C, and the rolling pressure ranges from 0.2MPa to 0.25MPa.

12. The heat exchanger manufacturing method according to claim 1, wherein The step of obtaining a first cover plate and a second cover plate further comprises the following steps: cutting at least one of the first cover plate and the second cover plate to form a working medium inlet and a working medium outlet, the working medium inlet and the working medium outlet being in communication with the flow channel respectively.

13. The heat exchanger manufacturing method according to claim 3, wherein The step of cutting the prefabricated liquid cooling layer to form a flow channel groove comprises the following steps: Cutting the first protective film and the prefabricated liquid cooling layer along the height direction of the heat exchange member, and forming a flow channel groove.

14. The heat exchanger manufacturing method according to claim 1, wherein Respectively sticking an adhesive layer on both sides of the liquid cooling layer includes; Forming the adhesive layer by means of dispensing or screen printing.

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