Heat exchanger, heat dissipation module, and computing device

Abstract

Embodiments of the present application provide a heat exchanger, a heat dissipation module, and a computing device. The heat exchanger comprises a first housing, a second housing, and a main body portion, wherein the first housing and the second housing are fixedly connected to two ends of the main body portion; the first housing is provided with at least two independent chambers; the second housing is provided with at least one independent cavity; the main body portion comprises at least two flow channel portions; an inlet of the heat exchanger is communicated with one chamber, an outlet of the heat exchanger is communicated with the other chamber or the cavity, and each flow channel portion is communicated with one of the at least two chambers and one of the at least one cavity, so that a heat exchange medium flowing in through the inlet can flow out of the outlet after sequentially flowing through the flow channel portions. By optimizing the structure of the heat exchanger, the route of the heat exchange medium in the heat exchanger is increased, the heat exchange of the heat exchange medium is more sufficient, and the heat exchange efficiency of the heat exchanger can be improved.

Description

Heat exchangers, cooling modules and computing equipment

[0001] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office on October 17, 2023, with application number 202322796568.6 and invention name “Heat exchanger, heat dissipation module and computing device”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The embodiments of the present application relate to the field of servers, and in particular to a heat exchanger, a heat dissipation module, and a computing device. Background Art

[0003] As the computing power of computing devices increases, the power consumption of electronic components such as chips in computing devices continues to increase. Air cooling can no longer meet the cooling needs of computing devices, and liquid cooling has become the development trend of cooling for computing devices.

[0004] In one liquid cooling solution, a pump drives a liquid coolant into a cold plate, where it exchanges heat with heat-generating components such as chips. The heat-absorbing liquid coolant then flows out of the cold plate and into a heat exchanger. The heat exchanger and fan airflow exchange heat to lower the temperature of the liquid coolant. The cooled liquid coolant is then pumped back into the cold plate, continuing this cycle to continuously dissipate heat from heat-generating components such as chips. In related technologies, the heat exchanger's heat exchange stroke is short, resulting in inadequate heat exchange with the liquid coolant, which in turn affects the subsequent cooling of heat-generating components such as chips.

[0005] Summary of the Invention

[0006] The embodiments of the present application provide a heat exchanger, a heat dissipation module, and a computing device. By optimizing the structure of the heat exchanger, the heat exchange efficiency of the heat exchanger can be improved to support the heat dissipation configuration of heat-generating components in different application scenarios.

[0007] In a first aspect, an embodiment of the present application provides a heat exchanger, comprising a first shell, a second shell, and a main body; the first shell and the second shell are fixedly connected to the two ends of the main body; the first shell has at least two independent chambers; the second shell has at least one independent cavity; the main body includes at least two flow channels; the inlet of the heat exchanger is connected to one chamber, the outlet of the heat exchanger is connected to another chamber or cavity, and the flow channel is connected to one of the at least two chambers and one of the at least one cavity, so that the heat exchange medium flowing in through the inlet can flow through each flow channel in sequence and then flow out from the outlet. In this arrangement, after the heat exchange medium flows into the inlet of the heat exchanger, it flows through each flow channel in sequence and then flows out from the outlet of the heat exchanger. The heat exchange medium's travel in the heat exchanger is increased, the heat exchange area of ​​the heat exchange medium is increased, the temperature balance at both ends of the heat exchanger is also better, the heat exchange of the heat exchange medium is more sufficient, and the heat exchange efficiency of the heat exchanger can be improved.

[0008] In practical applications, the heat exchanger has a high heat transfer efficiency, which can improve the heat dissipation effect of heat-generating components in application scenarios.

[0009] In practical applications, the heat exchange medium can be a liquid medium or a gas-liquid two-phase medium.

[0010] In one achievable embodiment, the first and second shells each include a wall panel, a shell body, and a cover panel. The shell body is fixedly connected between the wall panel and the cover panel, and the wall panel, the shell body, and the cover panel enclose a shell cavity. The first shell also includes a first partition that divides the shell cavity of the first shell into at least two chambers. The second shell also includes a second partition that divides the shell cavity of the second shell into at least two chambers. The structures of the first and second shells are simple.

[0011] In practical applications, the first shell can be an integrally formed structure or a split structure, that is, at least two parts of the wall plate, shell body, cover plate and first partition plate are separately provided and then assembled together. The second shell can also be similarly provided.

[0012] For example, a first partition divides the first shell cavity into three first chambers, and a second partition divides the second shell cavity into two second chambers. The main body includes four flow channels. This creates a double U-shaped flow channel for the heat exchange medium within the heat exchanger, allowing the heat exchanger's inlet and outlet to be located on the same side, facilitating piping layout.

[0013] In one practicable embodiment, a first reinforcement structure is provided within the shell cavity of the first shell, and / or a second reinforcement structure is provided within the shell cavity of the second shell. This can improve the structural strength of the first shell and / or the second shell, meet the requirements of different heat exchange media, and increase applicability.

[0014] For example, the first reinforcement structure may include a first support column connected between the wall plate and the cover plate of the first shell. The first support column may be a cylindrical column, a square column, or a prismatic column. One or more first support columns may be provided.

[0015] For example, the second reinforcement structure may include a second support column connected between the wall plate and the cover plate of the second shell. The second support column may be a cylindrical column, a square column, or a prismatic column. One or more second support columns may be provided.

[0016] In one possible implementation, the flow channel comprises a flat tube having multiple channels. The ends of the flat tube are respectively fixedly inserted into the wall panels of the first shell and the second shell, so that the channels connect the chamber and the cavity. The flat tube form of the flow channel provides good structural strength, while also increasing the heat exchange area and improving heat exchange efficiency.

[0017] In one possible implementation, the main body includes a plurality of flat tubes and fins. At least some of the flat tubes are arranged along a first direction. Fins are provided between adjacent flat tubes in the first direction. This arrangement of the flat tubes minimizes the heat exchanger's volume, facilitating its deployment in space-constrained applications. Furthermore, the fins provided between adjacent flat tubes increase the heat exchange area and improve heat exchange efficiency.

[0018] In one implementation, the main body further includes at least two plates, with a plurality of flat tubes arranged along a first direction positioned between the two plates. Fins are provided between the plates and adjacent flat tubes. The ends of the plates are fixedly connected to the first and second shells, respectively. This improves the structural stability of the main body and enhances the heat exchange capacity of the heat exchange medium flowing within the flat tubes adjacent to the plates.

[0019] In one achievable manner, among the plurality of flat tubes of the main body, at least some of the flat tubes are arranged along a second direction, the second direction being perpendicular to the first direction, and fins are also provided between two adjacent flat tubes in the second direction.

[0020] The second aspect of the embodiment of the present application also provides a heat dissipation module, including a power component, a first heat exchange part and a second heat exchange part, the first heat exchange part is the heat exchanger provided in the first aspect, the inlet of the first heat exchange part is connected to the outlet of the second heat exchange part, the outlet of the first heat exchange part is connected to the inlet of the second heat exchange part, and the power component is arranged on the pipeline between the outlet of the first heat exchange part and the inlet of the second heat exchange part.

[0021] This heat dissipation module can be used in application scenarios with heat-generating components and has a good heat dissipation effect on the heat-generating components.

[0022] The third aspect of the embodiment of the present application further provides a computing device, including a heating device and a heat dissipation module, the heat dissipation module is the heat dissipation module provided in the second aspect, and the second heat exchange part of the heat dissipation module is used for heat exchange with the first heat exchange part.

[0023] Exemplarily, the computing device may be a computing node or a server, and the heat-generating device may be a chip. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] FIG1 is a front view of a heat exchanger provided in an embodiment of the present application;

[0025] FIG2 is a schematic structural diagram of the heat exchanger shown in FIG1 without the first cover plate;

[0026] FIG3 is a partial enlarged view of the heat exchanger shown in FIG2 near the first shell area;

[0027] FIG4 is a schematic diagram of the right end face of the heat exchanger shown in FIG2 ;

[0028] FIG5 is a schematic structural diagram of the heat exchanger shown in FIG1 without the second cover plate;

[0029] FIG6 is a partial enlarged view of the heat exchanger shown in FIG5 near the second shell area;

[0030] FIG7 is a schematic diagram of the left end face of the heat exchanger shown in FIG5 ;

[0031] FIG8 is a perspective cross-sectional view of the main body of the heat exchanger shown in FIG1;

[0032] FIG9 is a schematic diagram of the flow of heat exchange medium in the heat exchanger shown in FIG1 ;

[0033] FIG10 is a schematic structural diagram of a heat dissipation module provided in an embodiment of the present application. DETAILED DESCRIPTION

[0034] An embodiment of the present application provides a heat exchanger, which can increase the travel of the heat exchange medium in the heat exchanger through structural optimization, thereby achieving a significant increase in the heat exchange area, thereby improving the heat exchange efficiency of the heat exchanger.

[0035] The heat exchanger provided in the embodiment of the present application includes a first shell, a second shell and a main body, and the first shell and the second shell are fixed to the two ends of the main body. The first shell has at least two independent chambers, the second shell has at least one independent cavity, and the main body includes at least two flow channel parts. The heat exchanger also has an inlet and an outlet, the inlet is connected to a chamber of the first shell, the outlet can be connected to another chamber of the first shell or can be connected to a cavity of the second shell, and the flow channel part is connected to at least one of the two chambers or one of at least one cavity, so that the heat exchange medium flowing in through the inlet can flow through each flow channel part in sequence and then flow out from the outlet. In other words, the connection relationship between the inlet, outlet, chambers, cavities and flow channel parts of the heat exchanger is configured as follows: the flow channel parts of the main body are connected in series between the inlet and outlet of the heat exchanger; wherein the chamber or cavity is used to introduce or lead out the heat exchange medium, or to connect two adjacent flow channel parts.

[0036] As configured above, when the heat exchanger is used, after the heat exchange medium enters the heat exchanger from the inlet, it flows through all the flow channels of the main body in sequence before flowing out from the outlet. This increases the travel of the heat exchange medium in the heat exchanger, greatly increases the heat exchange area of ​​the heat exchange medium, improves the temperature balance at both ends of the heat exchanger, and makes the heat exchange of the heat exchange medium more sufficient, thereby improving the heat exchange efficiency of the heat exchanger.

[0037] The independence of the chambers of the first shell means that the chambers are not directly connected; the second shell may have only one cavity or more than two cavities. When the second shell has more than two cavities, the independence of the chambers also means that the chambers are not directly connected.

[0038] The number of chambers in the first shell and the number of cavities in the second shell are related to the number of flow passages in the main body, and there are multiple implementation options. To better understand the technical solution and technical effects of this application, without loss of generality, a specific embodiment of the heat exchanger will be described in detail below with reference to the accompanying drawings.

[0039] For ease of explanation and understanding, three directions are defined for the heat exchanger below: the x-axis is the length direction of the heat exchanger, which is also the extension direction of the main body of the heat exchanger; the y-axis is the width direction of the heat exchanger; and the z-axis is the height direction of the heat exchanger.

[0040] Please refer to Figure 1, which is a main view of a heat exchanger provided in an embodiment of the present application.

[0041] As shown in FIG1 , the heat exchanger 10 includes a first shell 110, a second shell 120, and a main body 130. The first shell 110, the main body 130, and the second shell 120 are arranged along the x-axis, with the main body 130 fixedly connected between the first shell 110 and the second shell 120. In the orientation shown in FIG1 , the first shell 110 is located to the right of the main body 130, and the second shell 120 is located to the left of the main body 130.

[0042] Please refer to Figures 2 to 4. Figure 2 is a schematic diagram of the heat exchanger shown in Figure 1 with the first cover plate omitted. Figure 3 is an enlarged partial view of the heat exchanger near the first shell shown in Figure 2. Figure 4 is a schematic diagram of the right end face of the heat exchanger shown in Figure 2. To clearly illustrate the internal structure of the first shell, the first cover plate of the first shell is omitted in Figures 2 and 4.

[0043] In this embodiment, the first housing 110 includes a first wall 111, a first housing body 112, and a first cover 113. The first wall 111 is connected to the right end of the main body 130. The first housing body 112 is fixedly connected between the first wall 111 and the first cover 113. The first wall 111, the first housing body 112, and the first cover 113 enclose a first housing cavity. The first housing 110 also includes a first partition 114, which divides the first housing cavity into three chambers: a first chamber 110a, a second chamber 110b, and a third chamber 110c.

[0044] As shown in Figures 2 to 4, the first partition 114 is T-shaped. Among the three chambers separated by the first partition 114 from the first shell cavity, the first chamber 110a and the third chamber 110c are arranged along the y-axis direction, and the second chamber 110b is located above the first chamber 110a and the third chamber 110c. In other words, the chamber part composed of the second chamber 110b, the first chamber 110a and the third chamber 110c is arranged in the z-axis direction.

[0045] The first partition 114 can be integrally formed with the first shell body 112 to simplify assembly and improve the structural strength of the first shell 110. After the first shell body 112 is assembled with the first wall plate 111 and the first cover plate 113, the first partition 114 should abut against the first wall plate 111 and the first cover plate 113 to ensure the independence of the three separated chambers and prevent direct communication between the three chambers.

[0046] In a specific implementation, the first wall plate 111 , the first shell body 112 and the first cover plate 113 can be provided separately and then assembled and fixed together, so as to facilitate the assembly of the main body 130 and the first wall plate 111 and the maintenance of the first shell 110 .

[0047] In other specific implementations, the first shell 110 may also be an integrally formed structure, or the first wall panel 111 and the first shell body 112 may be integrally formed, or the first shell body 112 and the first cover plate 113 may be integrally formed.

[0048] As shown in FIG. 1 , in this embodiment, a connector 140 is provided on the first shell 110 . The connector 140 is connected to the inlet of the first shell 110 to facilitate external piping to introduce heat exchange medium into the first shell 110 .

[0049] The inlet of the first housing 110 can be provided on the first cover plate 113 and communicated with the first chamber 110a. The connector 140 is installed on the first cover plate 113 at a position corresponding to the first chamber 110a. This arrangement is relatively simple.

[0050] In this embodiment, the outlet 150 of the heat exchanger 10 is also disposed on the first housing 110. As shown in FIG3 , the outlet 150 is disposed on a sidewall of the first housing body 112 and communicates with the third chamber 110c. In other embodiments, the outlet 150 may also be disposed on the first cover plate 113.

[0051] In this embodiment, a first reinforcement structure is further provided inside the first shell cavity of the first shell 110 to improve the structural strength of the first shell 110 and prevent the first shell 110 from being deformed due to the pressure impact of the heat exchange medium.

[0052] For example, the first reinforcement structure may include first support columns 115 connected between the first wall panel 111 and the first cover panel 113. First support columns 115 are provided in each of the first chamber 110a, the second chamber 110b, and the third chamber 110c. In the embodiments shown in Figures 2 to 4, the first support columns 115 are cylindrical. In other embodiments, the first support columns 115 may also be square columns or prismatic columns. The number, shape, and arrangement of the first support columns 115 can be set according to actual needs and are not limited to the illustrated embodiments.

[0053] The first reinforcement structure may also be in other forms, such as ribs provided on the inner wall surface of the first shell 110 .

[0054] In other embodiments, depending on different heat exchange media and application requirements, the first shell 110 may not be provided with the first reinforcement structure.

[0055] Please refer to Figures 5 to 7. Figure 5 is a structural schematic diagram of the heat exchanger shown in Figure 1 with the second cover plate hidden; Figure 6 is a partial enlarged view of the heat exchanger shown in Figure 5 near the second shell area; Figure 7 is a schematic diagram of the left end surface of the heat exchanger shown in Figure 5.

[0056] In this embodiment, the main structural components of the second shell 120 are similar to those of the first shell 110. The second shell 120 includes a second wall plate 121, a second shell body 122, and a second cover plate 123. The second wall plate 121 is used to connect to the left end of the main body 130. The second shell body 122 is fixedly connected between the second wall plate 121 and the second cover plate 123. The second wall plate 121, the second shell body 122, and the second cover plate 123 enclose a second shell cavity. The second shell 120 also includes a second partition plate 124, which divides the second shell cavity into two cavities: a first cavity 120a and a second cavity 120b.

[0057] As shown in Figures 5 to 7 , the second partition 124 extends along the z-axis, and the first cavity 120a and the second cavity 120b separated by the second partition 124 are arranged along the y-axis. Compared with Figures 2 to 4 , the arrangement direction of the first cavity 120a and the second cavity 120b is consistent with the arrangement direction of the first cavity 110a and the third cavity 110c.

[0058] The second partition 124 can be integrally formed with the second shell body 122 to simplify assembly and increase the structural cavity of the second shell 120. After the second shell body 122 is assembled with the second wall plate 121 and the second cover plate 123, the second partition 124 should abut against the second wall plate 121 and the second cover plate 123 to ensure that the two separated cavities are independent of each other and prevent direct communication between the two cavities.

[0059] In a specific implementation, the second wall plate 121, the second shell body 122 and the second cover plate 123 can be provided separately and then assembled and fixed together. In this way, it is convenient to assemble the main body 130 and the second wall plate 121, and it is also convenient to maintain the second shell 120.

[0060] In other specific implementations, the second shell 120 may also be an integrally formed structure, or the second wall panel 121 and the second shell body 122 may be integrally formed, or the second shell body 122 and the second cover plate 123 may be integrally formed.

[0061] In this embodiment, a second reinforcement structure is further provided inside the second shell cavity of the second shell 120 to improve the structural strength of the second shell 120 and prevent the second shell 120 from being deformed due to the pressure impact of the heat exchange medium.

[0062] For example, the second reinforcement structure may include second support columns 125 connected between the second wall plate 121 and the second cover plate 123. The second support columns 125 are disposed within both the first cavity 120a and the second cavity 120b. In the embodiments shown in Figures 5 to 7, the second support columns 125 are cylindrical. In other embodiments, the second support columns 125 may also be square columns or prismatic columns. The number, shape, and arrangement of the second support columns 125 may be determined based on actual needs and are not limited to the illustrated embodiments.

[0063] The second reinforcement structure may also be in other forms, such as ribs provided on the inner wall surface of the second shell 120 .

[0064] In other embodiments, depending on different heat exchange media and application requirements, the second shell 120 may not be provided with the first reinforcement structure.

[0065] In this embodiment, the main body 130 includes four flow passages, as shown in Figures 4 and 7 , namely a first flow passage 131a, a second flow passage 131b, a third flow passage 131c, and a fourth flow passage 131d. The first flow passage 131a connects the first chamber 110a of the first housing 110 and the first cavity 120a of the second housing 120. The second flow passage 131b connects the first cavity 120a of the second housing 120 and the second cavity 110b of the first housing 110. The third flow passage 131c connects the second cavity 110b of the first housing 110 and the second cavity 120b of the second housing 120. The fourth flow passage 131d connects the second cavity 120b of the second housing 120 and the third cavity 110c of the first housing 110.

[0066] Please also refer to FIG8 , which is a three-dimensional cross-sectional view of the main body of the heat exchanger shown in FIG1 .

[0067] The four flow channel portions of the main body 130 each include a flat tube 132 having a plurality of channels 1321 extending along the x-axis direction. The two ends of the flat tube 132 in the x-axis direction are respectively fixedly inserted into the first wall plate 111 of the first shell 110 and the second wall plate 121 of the second shell 120. The channels 1321 of the flat tube 132 connect the corresponding chambers and cavities.

[0068] In the orientation shown in Figure 1, the right end of the flat tube 132 of the first flow channel portion 131a is connected to the first chamber 110a, and the left end is connected to the first cavity 120a; the left end of the flat tube 132 of the second flow channel portion 131b is connected to the first cavity 120a, and the right end is connected to the second chamber 110b; the right end of the flat tube 132 of the third flow channel portion 131c is connected to the second chamber 110b, and the left end is connected to the second cavity 120b; the left end of the flat tube 132 of the fourth flow channel portion 131d is connected to the second cavity 120b, and the right end is connected to the third chamber 110c.

[0069] The inlet of the heat exchanger 10 is in communication with the first chamber 110 a of the first housing 110 , and the outlet 150 is in communication with the third chamber 110 c of the first housing 110 .

[0070] In conjunction with Figure 9, Figure 9 is a schematic diagram of the flow of heat exchange medium in the heat exchanger shown in Figure 1. The dotted arrows in Figure 9 indicate the flow path of the heat exchange medium.

[0071] In this embodiment, the flow path of the heat exchange medium in the heat exchanger 10 is as follows: the heat exchange medium flows from the inlet into the first chamber 110a of the first shell 110, then flows into the first flow channel 131a connected to the first chamber 110a, flows out to the first cavity 120a of the second shell 120 through the first flow channel 131a, then flows from the first cavity 120a into the second flow channel 131b connected to the first cavity 120a, and flows out to the first shell 110 through the second flow channel 131b. 0, then flows from the second chamber 110b into the third flow channel 131c connected to the second chamber 110b, flows out through the third flow channel 131c to the second chamber 120b of the second shell 120, then flows from the second chamber 120b into the fourth flow channel 131d connected to the second chamber 120b, flows out through the fourth flow channel 131d to the third chamber 110c of the first shell 110, and finally flows out through the outlet 150 connected to the third chamber 110c. In short, the flow path of the heat exchange medium is: inlet → first chamber 110a → first flow channel 131a → first chamber 120a → second flow channel 131b → second chamber 110b → third flow channel 131c → second chamber 120b → fourth flow channel 131d → third chamber 110c → outlet 150.

[0072] As can be seen from the above, the shell cavities of the first shell 110 and the second shell 120 of the heat exchanger 10 are partitioned by partitions, and a flow channel portion is matched to make the flow channel of the heat exchange medium of the heat exchanger 10 circuitous, forming two U-shaped flow channels in series, or making the flow path of the heat exchange medium serpentine. The travel of the heat exchange medium of the heat exchanger 10 of this embodiment is four times that of the single-channel heat exchanger. After the circuitous process, the temperature balance at both ends of the heat exchanger 10 is better, the heat exchange is relatively sufficient, and the heat exchange efficiency can be effectively improved.

[0073] Each of the four flow channel sections of the main body 130 includes a flat tube 132. The main body 130 includes at least four flat tubes 132. In the illustrated embodiment, each of the four flow channel sections includes three flat tubes 132, resulting in a total of twelve flat tubes 132 in the main body 130. In other implementations, the number of flat tubes 132 in each flow channel section can be the same, different, or partially the same. The number of flat tubes 132 in each flow channel section can be three as shown, or one, two, four, or any other number, without limitation.

[0074] At least some of the multiple flat tubes 132 of the main body 130 can be arranged along a first direction. Fins 133 are provided between adjacent flat tubes 132 in the first direction. This allows the heat exchange medium flowing within the channels 1321 of the flat tubes 132 to exchange heat with the airflow outside the heat exchanger 10 via the fins 133, thereby increasing the heat exchange area and further improving the heat exchange efficiency of the heat exchanger 10.

[0075] Since the flat tubes 132 extend along the x-axis direction, the first direction is a direction perpendicular to the x-axis direction, and may be the y-axis direction or the z-axis direction.

[0076] Furthermore, in the first direction, the main body 130 is further provided with two plates 134. The plates 134 extend along the x-axis, with their ends in the x-axis secured to the first shell 110 and the second shell 120, respectively. In the first direction, fins 133 are also provided between the plates 134 and the adjacent flat tubes 132. Thus, in the first direction, fins 133 are provided on both sides of each flat tube 132, further increasing the heat exchange area.

[0077] In this embodiment, the three flat tubes 132 of the first flow channel portion 131a and the three flat tubes 132 of the second flow channel portion 131b of the main body 130 are arranged along the z-axis, forming a first flat tube group. The three flat tubes 132 of the third flow channel portion 131c and the three flat tubes 132 of the fourth flow channel portion 131d of the main body 130 are arranged along the z-axis, forming a second flat tube group. The first and second flat tube groups are arranged along the y-axis. In other words, the main body 130 has two flat tube groups, each of which is arranged along the z-axis, with both flat tube groups arranged along the y-axis. As can be understood from Figures 4, 7, and 8, the number of flat tubes 132 in each flow channel portion is the same, and the number of flat tubes 132 in the two flat tube groups is also the same. The positions of the flat tubes 132 in the z-axis direction of the two flat tube groups can correspond one to one. In this way, the fins 133 at the same height in the two flat tube groups can be configured as an integrated structure. Furthermore, the plate below the first flat tube group and the plate below the second flat tube group can be integrally formed, and the plate above the first flat tube group and the plate above the second flat tube group can also be integrally formed. This arrangement simplifies the number of components in the main body 130 and facilitates assembly of the main body 130. Of course, the fins 133 at the same height in the two flat tube groups can also be provided separately, and each flat tube group can also have a separate plate.

[0078] In other embodiments, the plurality of flat tubes 132 of the main body 130 may be arranged partially along the first direction and partially along the second direction, with the first and second directions being perpendicular. With the channels 1321 of the flat tubes 132 extending along the x-axis, one of the z-axis and the y-axis may be the first direction, and the other the second direction. For example, the flat tubes 132 of the first flow channel portion 131a and the flat tubes 132 of the fourth flow channel portion 131d may be arranged along the y-axis, while the flat tubes 132 of the second flow channel portion 131b and the flat tubes 132 of the third flow channel portion 131c may still be arranged along the z-axis, consistent with the illustrated embodiment. For another example, the flat tubes 132 of the second flow channel portion 131b and the flat tubes 132 of the third flow channel portion 131c may be arranged along the y-axis, while the flat tubes 132 of the first flow channel portion 131a and the flat tubes 132 of the fourth flow channel portion 131d may still be arranged along the z-axis, consistent with the illustrated embodiment. The four flow channel portions of the main body 130 may also have their own arrangement.

[0079] In other embodiments, when the number of flat tubes 132 in each flow channel portion of the main body 130 is different, the fins 133 and the plates 134 can be matched according to the arrangement.

[0080] In this embodiment, the main body 130 is provided with four flow channels. In other embodiments, the main body 130 may also be provided with only two flow channels, or three flow channels, or five or more flow channels. The number of flow channels is matched to the number of chambers in the first shell 110 and the number of cavities in the second shell 120. The principle of arrangement is that all flow channels are connected in series to increase the flow path of the heat exchange medium within the heat exchanger 10. Depending on the number of flow channels, the inlet and outlet 150 of the heat exchanger 10 can be located at the same end of the heat exchanger 10, such as in the present embodiment, both being located on the first shell 110, or they can be located at opposite ends of the heat exchanger 10, such as when there are three flow channels.

[0081] In other embodiments, the positional arrangement between the chambers of the first shell 110 and the positional arrangement between the cavities of the second shell 120 may also be changed as needed.

[0082] In applications, the heat exchange medium of the heat exchanger 10 can be a liquid medium or a gas-liquid two-phase medium, etc., which can be selected according to heat exchange requirements.

[0083] The heat exchanger 10 is an air-cooled heat exchanger. When in use, the heat exchange medium flowing in the heat exchanger 10 exchanges heat with the air flow flowing through the heat exchanger 10 .

[0084] The present application also provides a heat dissipation module. Please refer to Figure 10, which is a schematic structural diagram of a heat dissipation module provided in the present application. The arrows in Figure 10 indicate the flow direction of the heat exchange medium in the heat dissipation module.

[0085] The heat dissipation module includes a first heat exchange unit 1, a second heat exchange unit 2, and a power component 3. The inlet of the first heat exchange unit 1 is connected to the outlet of the second heat exchange unit 2, and the outlet of the first heat exchange unit 1 is connected to the inlet of the second heat exchange unit 2. The power component 3 is disposed in the pipeline between the outlet of the first heat exchange unit 1 and the inlet of the second heat exchange unit 2. The power component 3 is used to provide power for the heat exchange medium to circulate in the heat dissipation module circuit. The first heat exchange unit 1 is the heat exchanger 10 described above.

[0086] The heat dissipation module is used to dissipate heat from the heat-generating components. In specific applications, the second heat exchange part 2 can be used for heat exchange with the heat-generating components. The relatively low-temperature heat exchange medium can flow into the second heat exchange part 2 under the drive of the power component 3, and exchange heat with the heat-generating components in the second heat exchange part 2. After absorbing the heat of the heat-generating components, it becomes a relatively high-temperature heat exchange medium. The relatively high-temperature heat exchange medium flows out of the second heat exchange part 2 and flows into the heat exchanger 10. It flows in the heat exchanger 10 and exchanges heat with the heat dissipation air outside the heat exchanger 10. After heat dissipation in the heat exchanger 10, the heat exchange medium becomes a relatively low-temperature state again, and flows back into the second heat exchange part 2 under the drive of the power component 3. This cycle can continuously dissipate heat from the heat-generating components.

[0087] The first heat exchange part 1 of the heat dissipation module adopts the aforementioned heat exchanger 10. After applying the heat exchanger 10, the heat exchange medium's travel in the heat exchanger 10 is increased, the heat exchange capacity is improved, and it can have better heat exchange efficiency, thereby having a better heat dissipation effect on the heat-generating components.

[0088] In a specific implementation, two power components 3 and two second heat exchangers 2 are connected in series in the heat dissipation module's circulation loop. These two second heat exchangers 2 can dissipate heat from heat-generating components in different areas of the application scenario. In other specific implementations, the number of power components 3 and second heat exchangers 2 is not limited and can be set as needed.

[0089] The power component 3 may be a pump, etc. The second heat exchange part 2 may be a heat exchange structure such as a cold plate.

[0090] In specific applications, the heat dissipation module can be used in conjunction with a fan or other equipment, and the fan is used to generate heat dissipation air for exchanging heat with the first heat exchange part 1 (ie, the heat exchanger 10 ).

[0091] The heat dissipation module may further include a container 4 connected to the pipeline between the outlet of the first heat exchange portion 1 and the inlet of the power component 3. When the heat exchange medium is a liquid cooling medium, the container 4 may be a liquid storage tank; when the heat exchange medium is a gas-liquid two-phase medium, the container 4 may be a gas-liquid separator.

[0092] This heat dissipation module can be used on equipment in computer rooms such as servers, storage, and cloud cores. This heat dissipation module can also be used in other scenarios with heat dissipation requirements.

[0093] An embodiment of the present application also provides a computing device, which includes a heating device and a heat dissipation module. The heat dissipation module is the heat dissipation module shown in Figure 10. The second heat exchange part 2 of the heat dissipation module is used for heat exchange with the heating device of the computing device.

[0094] Illustratively, the computing device may be a computing node, or a server or other device.

[0095] The heat generating components of a computing device may be components such as a chip, a CPU, or a graphics processing unit (GPU) of a graphics card. It is understood that the heat generating components that can be cooled by a heat dissipation module are not limited to chips, CPUs, or GPUs of graphics cards, but may also be other high-power components of the computing device.

[0096] The computing device using the aforementioned heat dissipation module can achieve a good heat dissipation effect on the heat generating components of the computing device, thereby ensuring the reliability of the operation of the computing device.

[0097] The above are only preferred embodiments of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A heat exchanger, characterized in that: It includes a first shell, a second shell and a main body; The first shell and the second shell are fixedly connected to two ends of the main body; The first shell has at least two independent chambers; the second shell has at least one independent cavity; the main body includes at least two flow channel parts; The inlet of the heat exchanger is connected to one of the chambers, the outlet of the heat exchanger is connected to another chamber or the cavity, and the flow channel portion is connected to at least one of the two chambers and at least one of the cavities, so that the heat exchange medium flowing in through the inlet can flow through each of the flow channel portions in sequence and then flow out from the outlet.

2. The heat exchanger according to claim 1, characterized in that: The first shell and the second shell both include a wall plate, a shell body and a cover plate, the shell body is fixed between the wall plate and the cover plate, and the wall plate, the shell body and the cover plate enclose a shell cavity; The first shell further comprises a first partition plate, wherein the first partition plate divides the shell cavity of the first shell into at least two chambers; The second shell further includes a second partition plate, and the second partition plate divides the shell cavity of the second shell into at least two cavities.

3. The heat exchanger according to claim 2, characterized in that: A first reinforcement structure is provided inside the shell cavity of the first shell; and / or a second reinforcement structure is provided inside the shell cavity of the second shell.

4. The heat exchanger according to claim 3, characterized in that The first reinforcement structure includes a first support column connected between a wall plate and a cover plate of the first shell; and / or the second reinforcement structure includes a second support column connected between a wall plate and a cover plate of the second shell.

5. The heat exchanger according to any one of claims 2 to 4, characterized in that: The flow channel portion includes a flat tube having a plurality of channels. Two ends of the flat tube are respectively fixedly inserted into the wall plate of the first shell and the wall plate of the second shell, so that the channels communicate with the chamber and the cavity.

6. The heat exchanger according to claim 5, characterized in that The main body includes a plurality of the flat tubes and fins. Among the plurality of the flat tubes in the main body, at least some of the flat tubes are arranged along a first direction. In the first direction, the fin is provided between two adjacent flat tubes.

7. The heat exchanger according to claim 6, characterized in that The main body also includes at least two plates, a plurality of flat tubes arranged along the first direction are located between the two plates, and the fins are provided between the plate and the adjacent flat tubes; the two ends of the plate are fixedly connected to the first shell and the second shell respectively.

8. The heat exchanger according to claim 6, characterized in that Among the plurality of flat tubes in the main body, at least some of the flat tubes are arranged along a second direction, the second direction is perpendicular to the first direction, and the fin is also provided between two adjacent flat tubes in the second direction.

9. A heat dissipation module, characterized in that: It includes a power component, a first heat exchange part and a second heat exchange part, the first heat exchange part is the heat exchanger according to any one of claims 1 to 8, the inlet of the first heat exchange part is connected to the outlet of the second heat exchange part, the outlet of the first heat exchange part is connected to the inlet of the second heat exchange part, and the power component is arranged on the pipeline between the outlet of the first heat exchange part and the inlet of the second heat exchange part.

10. A computing device, characterized in that It comprises a heating device and a heat dissipation module, wherein the heat dissipation module is the heat dissipation module according to claim 9, and the second heat exchange part is used for performing heat exchange with the heating device.

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