Tray of liquid cooling box, and liquid cooling box

Abstract

The present disclosure provides a tray of a liquid cooling box, and a liquid cooling box. The tray comprises a main body part and at least one reinforcing rib; the reinforcing rib is arranged in a mounting part of the main body part and protrudes relative to the surface of the main body part; and the reinforcing rib and / or the main body part is provided with recesses recessed in the thickness direction of the tray. By providing the reinforcing rib, the structure of the tray can be reinforced, thereby improving the structural strength of the tray; in addition, the reinforcing rib can further support an object to be mounted in the mounting part, thereby reducing the possibility of deformation of said object.

Description

Liquid cooling box tray and liquid cooling box

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority and benefits of Chinese patent applications with application number 202420377647.5 and application date February 28, 2024 and application number 202421053078.5 and application date May 13, 2024, and the entire contents of the above-mentioned Chinese patent applications are hereby incorporated by reference into this application. Technical Field

[0003] The present application relates to the field of energy storage technology, and in particular to a liquid cooling box tray and a liquid cooling box. Background Art

[0004] In the related technologies in the field of energy storage, microchannel cold plates are often used to manage the thermal performance of energy storage batteries. However, due to the heavy batteries, the lower surfaces of the headers and heat exchange tubes of the liquid cold plates in the related technologies are not flat. The headers are often supported, but the heat exchange tubes of the liquid cold plates lack support underneath. The energy storage batteries placed on the liquid cold plates can easily bend the liquid cold plates below, especially the heat exchange tubes. The heat exchange tubes are bent and deformed, resulting in poor contact between the liquid cold plates and the energy storage batteries, thereby affecting the thermal management of the energy storage batteries. Summary of the Invention

[0005] The present disclosure is based on the inventors' findings and understanding of the following facts and problems:

[0006] An embodiment of the present application provides a tray for a liquid cooling box and a liquid cooling box, which are used to improve the structural strength of the tray and improve the heat exchange efficiency of the liquid cooling box.

[0007] An embodiment of the present application provides a tray for a liquid cooling box, the tray comprising:

[0008] The main body has a mounting portion on one side thereof along the thickness direction of the tray;

[0009] at least one reinforcing rib, the reinforcing rib being disposed within the mounting portion;

[0010] The reinforcing ribs and / or the main body are provided with a supporting portion; the tray further comprises a recessed portion, which is recessed in the thickness direction of the tray, and there is a preset height difference between the recessed portion and the supporting portion.

[0011] By providing a recessed portion on the reinforcing ribs and / or the main body, the shape adaptability of the interior of the mounting portion of the tray to the heat exchanger is improved. The recessed portion is used to place or support the header, and the supporting portion of the reinforcing rib is used to support the heat exchanger, so that both the header and the heat exchanger can be supported, thereby reducing the deformation of the heat exchanger, making good contact between the heat exchanger and the energy storage battery, and improving the thermal management efficiency.

[0012] An embodiment of the present application also provides a liquid cooling box, which includes a tray and a heat exchange element. The tray includes a main body and at least one reinforcing rib. The main body has a mounting portion. The reinforcing rib is arranged in the mounting portion of the main body. The reinforcing rib is located on one side of the main body and is raised relative to the surface of the main body. The reinforcing rib and / or the main body are provided with a recessed portion, and the recessed portion is recessed along the thickness direction of the tray.

[0013] The heat exchanger is located on the side of the tray where the reinforcement ribs are provided, and along the height direction of the liquid cooling box, the heat exchanger is in contact with the surface of the reinforcement ribs;

[0014] The heat exchange element includes a header, at least a portion of which extends into the recess.

[0015] An embodiment of the present application relates to a tray for a liquid cooling box and a liquid cooling box, wherein the tray includes a main body and at least one reinforcing rib, the reinforcing rib is arranged in the mounting portion of the main body and is raised relative to the surface of the main body, and is provided with a supporting portion, and a recessed portion is provided along the thickness direction of the tray, so that the shape adaptability of the interior of the mounting portion of the tray and the heat exchange component is improved, the recessed portion is used to place or support the manifold, and the supporting portion of the reinforcing rib is used to support the heat exchange component, so that both the manifold and the heat exchange component can be supported, thereby reducing the deformation of the heat exchange component and making good contact with the energy storage battery.

[0016] It should be understood that the foregoing general description and the following detailed description are merely illustrative and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] FIG1 is a schematic structural diagram of a tray provided in this application;

[0018] Figure 2 is a partial enlarged view of position I in Figure 1;

[0019] FIG3 is a cross-sectional view of FIG1 ;

[0020] FIG4 is a partial enlarged view of position II in FIG3;

[0021] FIG5 is a schematic structural diagram of the liquid cooling box provided in this application;

[0022] FIG6 is a cross-sectional view of FIG5;

[0023] FIG7 is a schematic structural diagram of the header provided in this application;

[0024] FIG8 is a partial enlarged view of position III in FIG6;

[0025] FIG9 is a partial enlarged view of position IV in FIG6;

[0026] FIG10 is a schematic structural diagram of the heat exchange component provided in this application.

[0027] Figure markings: 1-tray; 11-main body; 111-installation part; 12-reinforcement rib; 121-first reinforcement rib; 121a-recessed part; 121b-first reinforcement part; 121c-second reinforcement part; 122-second reinforcement rib; 123-main body; 124-connecting part; 125-support part 13-bracket; 2-heat exchange component; 21-collector; 211-first collector; 211a-first flow port; 212-second collector; 213-third collector; 213a-second flow port; 22-first heat exchange part; 23-second heat exchange part; 24-flow section; 3-shell.

[0028] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application. DETAILED DESCRIPTION

[0029] The embodiments of the present disclosure are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present disclosure, but should not be understood as limiting the present disclosure.

[0030] In order to better understand the technical solution of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0031] It should be clear that the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0032] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The singular forms "a", "an", and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.

[0033] It should be understood that the term "and / or" as used herein is merely a description of the relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, or B exists alone. Furthermore, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0034] It should be noted that the directional words such as "upper", "lower", "left", and "right" described in the embodiments of the present application are described based on the angles shown in the accompanying drawings and should not be understood as limiting the embodiments of the present application. In addition, in the context, it should be understood that when it is mentioned that an element is connected to another element "on" or "under", it can not only be directly connected to the other element "on" or "under", but also be indirectly connected to the other element "on" or "under" through an intermediate element.

[0035] As shown in FIG1 , an embodiment of the present application provides a tray 1 for a liquid cooling box. The tray 1 includes a main body 11 and at least one reinforcing rib 12. The main body 11 has a mounting portion 111 along the thickness direction of the tray 1. The mounting portion 111 is used to mount an object to be mounted, which may be a heat exchanger 2, for example. The reinforcing rib 12 is located within the mounting portion 111 and may protrude relative to the wall surface of the mounting portion 111 to support the object to be mounted. As shown in FIG2 , the reinforcing rib 12 and / or the main body 11 are provided with a recessed portion 121a, and the recessed portion 121a is recessed in the thickness direction of the tray 1.

[0036] The reinforcing rib 12 and / or the main body 11 is provided with a support portion 125 ; the tray further includes a recessed portion 121 a , which is recessed in the thickness direction of the tray 1 , and has a preset height difference with the support portion 125 .

[0037] The provision of the reinforcing ribs 12 on the tray 1 can enhance the structural strength of the main body 11 and reduce the possibility of deformation of the main body 11. Furthermore, the support portions 125 of the reinforcing ribs 12 can be used to support the object to be mounted, thereby improving the structural strength of the object to be mounted and reducing the possibility of deformation of the object to be mounted. In this embodiment, the recessed portions are provided on the left and right sides of the reinforcing ribs 12. In other embodiments, the recessed portions can be provided on the reinforcing ribs and / or the main body 11. The recessed portions can be a structural component of the reinforcing ribs 12 or a separate component of the main body, such as being formed within the main body by sheet metal, fixed to the main body by sheet metal parts, or formed by the reinforcing ribs and the main body. The recessed portions 121a can be provided to avoid the object to be mounted located on the mounting portion 111. The recessed portions 121a have a predetermined height difference from the support portions 125, and are positioned lower than the support portions 125, thereby reducing the possibility of interference between the object to be mounted and the reinforcing ribs 12 and / or the main body 11, thereby optimizing the structure of the tray 1 and better meeting actual usage requirements.

[0038] In this embodiment, the tray 1 can be applied to a liquid cooling box, and the heat exchange component 2 such as a liquid cooling plate is arranged on the mounting portion 111 , and the battery and the like are located on the side of the liquid cooling plate away from the tray 1 .

[0039] By providing a reinforcing rib 12 on the tray 1, a support portion 125 is provided on the upper portion of the reinforcing rib. The support portion 125 can provide support for the heat exchange component 2, such as the liquid cooling plate. The preset height difference between the recessed portion and the support portion 125 is roughly equal to the height difference between the heat exchange component header and the heat exchange tube, thereby reducing the possibility of the battery bending the heat exchange component 2, causing the heat exchange component 2 to deform. In addition, the gap between the heat exchange component 2 and the battery is reduced, which affects the contact between the heat exchange component 2 and the battery and reduces the possibility of heat exchange efficiency. Therefore, by providing the reinforcing rib 12, not only can the structural strength of the tray 1 be improved, but it can also help improve the stability of the contact between the heat exchange component 2 and the battery, thereby improving the heat exchange efficiency and better meeting the actual usage requirements.

[0040] As shown in FIG1 , in this embodiment, the reinforcing rib 12 includes at least one first reinforcing rib 121 and at least one second reinforcing rib 122 . The first reinforcing rib 121 extends along a first direction of the pallet 1 , and the second reinforcing rib 122 extends along a second direction of the pallet. There is an angle between the first direction and the second direction.

[0041] In this embodiment, the first direction may be the length direction of the tray 1 , the second direction may be the width direction of the tray 1 , and the first direction and the second direction may be perpendicular to each other.

[0042] The first reinforcing ribs 121 and the second reinforcing ribs 122 can support the tray 1 and the object to be installed in different directions, thereby improving the structural strength of the tray 1 and reducing the possibility of deformation of the object to be installed located on the installation portion 111.

[0043] As shown in Figure 1, in this embodiment, the main body 11 can be provided with multiple first reinforcing ribs 121, and the number of first reinforcing ribs 121 can be two, three, four or more. The second reinforcing ribs 122 are located between adjacent first reinforcing ribs 121, and along the thickness direction of the pallet 1, the heights of the first reinforcing ribs 121 and the second reinforcing ribs 122 are the same.

[0044] By arranging the second reinforcing ribs 122 between adjacent first reinforcing ribs 121, the first reinforcing ribs 121 and the second reinforcing ribs 122 can be relatively evenly distributed, thereby facilitating the enhancement of the reinforcing effect of the first reinforcing ribs 121 and the second reinforcing ribs 122 on the main body 11. When the mounting portion 111 is installed with an object to be installed, the effect of the reinforcing ribs 12 on the object to be installed can also be enhanced.

[0045] The first reinforcing ribs 121 may intersect with the second reinforcing ribs 122 , and the second reinforcing ribs 122 may be inserted between adjacent first reinforcing ribs 121 .

[0046] The first reinforcing ribs 121 and the second reinforcing ribs 122 can be distributed in a grid pattern so that the reinforcing ribs 12 can be relatively evenly distributed on the pallet 1, thereby facilitating the reinforcement effect of the reinforcing ribs 12 on the pallet 1, improving the structural strength of the pallet 1, and reducing the possibility of deformation of the pallet 1.

[0047] As shown in FIG1 , in this embodiment, the first reinforcing rib 121 includes a first reinforcing portion 121b and a second reinforcing portion 121c . The width of the first reinforcing portion 121b is not less than that of the second reinforcing portion 121c , and the first reinforcing portion 121b and the second reinforcing portion 121c are spaced apart.

[0048] In other embodiments, the width of the first reinforcing portion 121 b may be greater than the width of the second reinforcing portion 121 c .

[0049] The first reinforcement portion 121b can be relatively wide, which not only strengthens the structural strength of the tray 1 but also supports the object to be installed. Since the first reinforcement portion 121b is relatively wide, it can help increase the contact area between the first reinforcement portion 121b and the object to be installed, thereby improving the support effect of the first reinforcement portion 121b on the object to be installed. The second reinforcement portion 121c can be used to strengthen the main body 11 and can also be used to support the edge of the object to be installed.

[0050] In other embodiments, the second reinforcement portion 121c can be located at the edge of the tray 1, that is, the second reinforcement portion 121c is located outside the first reinforcement portion 121b, and is used to support the edge of the object to be installed, and can also be used to fix the object to be installed, etc.

[0051] As shown in Figure 2, in this embodiment, at least one end of the first reinforcing rib 121 is provided with a recessed portion 121a. The recessed portion 121a can be used to form a mounting groove for mounting an object. The tray 1 can also include a bracket 13, at least partially located in the recessed portion 121a, and connected to the side wall of the recessed portion 121a.

[0052] The bracket 13 can be used to connect with the object to be installed, thereby helping to improve the stability of the connection between the object to be installed and the tray 1, and better meeting actual usage requirements.

[0053] As shown in Figure 2, in this embodiment, along the extension direction of the first reinforcing rib 121, the recessed portion 121a passes through one end of the first reinforcing rib 121 close to the edge of the main body 11, and the bracket 13 can be "L"-shaped, and the bracket 13 is connected to at least two side walls of the recessed portion 121a.

[0054] Such a design facilitates positioning of the bracket 13 . At the same time, provision of the bracket 13 can help enhance the stability of the connection between the object to be installed and the tray 1 , which is more in line with actual usage requirements.

[0055] As shown in FIG3 , in this embodiment, the reinforcing ribs 12 can be arranged at intervals. As shown in FIG4 , the reinforcing ribs 12 include a main body portion 123 and a connecting portion 124. The connecting portions 124 are located on opposite sides of the main body portion 123. The main body portion 123 is connected to the main body portion 11 via the connecting portions 124. A gap is provided between the main body portion 123 and the main body portion 11 along the thickness direction of the pallet 1.

[0056] In this embodiment, the cross section of the reinforcing rib 12 may be a “J”-shaped structure, and the top of the “J”-shaped structure is the supporting portion 125 .

[0057] This design can improve the structural strength of each rib 12, thereby improving the reinforcing effect of the ribs 12 on the pallet 1, thereby improving the structural strength of the pallet 1. At the same time, this design can also help improve the load-bearing capacity of the ribs 12, thereby improving the support capacity of the ribs 12 for the object to be installed, thereby reducing the possibility of deformation of the object to be installed under load, and better meeting actual usage requirements.

[0058] Based on the trays of the liquid cooling boxes involved in the above embodiments, as shown in FIG5 , an embodiment of the present application further provides a liquid cooling box, as shown in FIG6 , comprising a tray 1 and a heat exchanger 2, wherein the tray 1 can be the tray 1 involved in any of the above embodiments. Specifically, the tray 1 can include a main body 11 and at least one reinforcing rib 12, wherein the reinforcing rib 12 is disposed within the mounting portion 111 of the main body 11. The reinforcing rib 12 and / or the main body 11 are provided with a support portion 125. The tray also includes a recessed portion 121a, which is recessed along the thickness direction of the tray 1; the recessed portion 121a and the support portion 125 have a predetermined height difference; the heat exchanger 2 is located on the side of the tray 1 provided with the reinforcing rib 12, and along the height direction of the liquid cooling box, the heat exchanger 2 is in surface contact with the support portion 125 of the reinforcing rib 12. The heat exchanger 2 includes a manifold 21, at least a portion of which is located within the recessed portion 121a.

[0059] Designing reinforcing ribs 12 on tray 1 not only enhances its structural strength but also provides support for heat exchanger 2, thereby reducing the possibility of compression and deformation of heat exchanger 2. Recessed portion 121a provides clearance for manifold 21 of heat exchanger 2, minimizing interference between heat exchanger 2 and tray 1. This improves the stability of heat exchanger 2 installation and better meets practical requirements.

[0060] As shown in FIG5 , in this embodiment, the liquid cooling box may include a shell 3 , which may be connected to the tray 1 and used to enclose a relatively closed cavity with the tray 1 for installing the heat exchange component 2 and batteries, etc.

[0061] As shown in FIG7 , in this embodiment, the heat exchange element 2 includes a header 21 and at least one flow section 24. As shown in FIG8 and FIG9 , the header 21 includes at least a first header 211, a second header 212, and a third header 213. The second header 212 and the third header 213 are located on opposite sides of the flow section 24, and the first header 211 and the second header 212 are located on the same side of the flow section 24. The first header 211 has a first flow opening 211a at one end and is connected to the second header 212 at the other end. The third header 213 has a second flow opening 213a. The flow section 24 connects the second header 212 and the third header 213.

[0062] The reinforcing ribs 12 and / or the recessed portion 121a provided on the main body can be formed to form a groove for mounting the manifold 21. When the heat exchange element 2 is mounted on the tray 1, one side of the heat exchange element 2 contacts the first reinforcing rib 121 and the second reinforcing rib 122. Thus, the first and second reinforcing ribs 121, 122 support the heat exchange element 2, reducing the possibility of compression deformation of the heat exchange element 2. This helps maintain the flatness of the heat exchange element 2, improves the stability of the contact between the heat exchange element 2 and the battery, and thus improves heat exchange efficiency.

[0063] The heat exchange medium of the heat exchange element 2 can enter the first manifold 211 through the first flow opening 211a, flow along the first manifold 211 to the second manifold 212, pass through the heat exchange section, flow between the second manifold 212 and the third manifold 213, and then flow out of the heat exchange element 2 through the third manifold 213. This design facilitates the flow of the heat exchange medium in the heat exchange element 2, thereby performing heat exchange.

[0064] As shown in Figure 10, in this embodiment, the heat exchange element 2 includes at least a first heat exchange section 22 and a second heat exchange section 23. The first and second heat exchange sections 22 and 23 are connected by a manifold 21. Each of the first and second heat exchange sections 22 and 23 includes at least one flow section 24. The reinforcing ribs 12 include a first reinforcing rib 121 and a second reinforcing rib 122. The first reinforcing rib 121 includes a first reinforcing portion 121b and a second reinforcing portion 121c. Along the height of the liquid cooling tank, the projection of the first reinforcing portion 121b lies within the projection of the flow section 24 of the first heat exchange section 22 or the flow section 24 of the second heat exchange section 23. The projection of the second reinforcing portion 121c lies partially within the projection of the flow section 24 of the first heat exchange section 22 and partially within the projection of the flow section 24 of the second heat exchange section 23. The first and second reinforcing portions 121b, 121c, the first and second heat exchange sections 22 and 23 all extend along the first direction of the tray 1.

[0065] The heat exchanger 2 can be composed of at least two heat exchange parts spliced ​​together. Such a design can help reduce the volume of a single heat exchange part. Compared with an integral heat exchanger 2, the adoption of an assembled design can reduce the manufacturing difficulty caused by the larger overall volume of the heat exchanger 2, which is conducive to improving the product qualification rate and better meeting actual production needs. Moreover, the adoption of an assembled design can make the overall structure of the heat exchanger 2 more flexible. It can be spliced ​​according to actual needs, thereby adjusting the volume of the heat exchanger 2, and then making the heat exchanger 2 suitable for pallets 1 and liquid cooling boxes of different sizes, which is conducive to reducing costs. The first reinforcement part 121b is used to support the heat exchange part, and the second reinforcement part 121c can support the splicing position of the heat exchange part, which is conducive to improving the supporting effect of the reinforcement rib 12 on the heat exchange part and reducing the possibility of the heat exchange part being compressed and deformed, thereby helping to improve the stability of the contact between the heat exchange part and the object to be heat exchanged, improve the heat exchange efficiency, and better meet actual usage needs. The reinforcing portion and the heat exchange portion extend in the same direction, which makes it easier for the reinforcing portion to support the heat exchange portion, especially the second reinforcing portion 121c supports the splicing position of the first heat exchange portion 22 and the second heat exchange portion 23.

[0066] As shown in FIG7 , in this embodiment, the heat exchange element 2 can be composed of two heat exchange parts. The first part includes two microchannel flat tubes, and the second part includes three microchannel flat tubes. The heat exchange medium flows in the direction indicated by the arrow in the figure.

[0067] As shown in FIG7 , in this embodiment, the first flow opening 211a and the second flow opening 213a are located on the same side of the liquid cooling box. The end of the first manifold 211 having the first flow opening 211a is bent toward the side close to the third manifold 213, and / or the end of the third manifold 213 having the second flow opening 213a is bent toward the side close to the first manifold 211. A protective design is also provided for the bent positions of the first flow opening 211a and the second flow opening 213a.

[0068] By locating the first and second manifolds 211, 212 on the same side of the flow section 24, and the second and third manifolds 212, 213 on different sides of the flow section 24, the first and second flow openings 211a, 213a can be located on the same side of the heat exchanger 2. This facilitates installation and maintenance of the heat exchanger 2, improves distribution performance and heat exchange capacity, and better meets actual usage requirements. Bending the first and second flow openings 211a, 213a facilitates installation of the heat exchanger 2 within the liquid cooling tank and reduces the possibility of interference between the first and second flow openings 211a, 213a, and other structures.

[0069] In this embodiment, along the thickness direction of the heat exchange element 2, the first header 211 is located above the second header 212. A partition is provided between the second header 212 and the third header 213.

[0070] The present invention provides a tray for a liquid cooling box and a liquid cooling box. The tray 1 includes a main body 11 and at least one reinforcing rib 12. The reinforcing rib 12 is disposed within a mounting portion 111 of the main body 11 and protrudes relative to the surface of the main body 11. The reinforcing rib 12 and / or the main body 11 are provided with a recessed portion 121a that is recessed along the thickness of the tray 1. The provision of the reinforcing rib 12 strengthens the structure of the tray 1, enhancing its strength. Furthermore, the reinforcing rib 12 supports an object to be mounted on the mounting portion 111, reducing the possibility of deformation of the object.

[0071] The above are merely preferred embodiments of the present application and are not intended to limit the present application. Those skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A tray for a liquid cooling box, comprising: A main body (11), one side of the main body (11) having a mounting portion (111) along the thickness direction of the tray; at least one reinforcing rib (12), the reinforcing rib (12) being disposed within the mounting portion (111); The reinforcing rib (12) and / or the main body (11) are provided with a support portion (125); the tray further comprises a recessed portion (121a), the recessed portion (121a) is recessed in the thickness direction of the tray (1), and the recessed portion (121a) and the support portion (125) have a preset height difference.

2. The liquid cooling box tray according to claim 1, wherein: The reinforcing ribs (12) include at least one first reinforcing rib (121) and at least one second reinforcing rib (122), each of the first reinforcing ribs (121) extending along a first direction of the pallet (1), and each of the second reinforcing ribs (122) extending along a second direction of the pallet (1), the first direction being the length direction of the pallet (1), and the second direction being the width direction of the pallet (1); The second reinforcing ribs (122) are located between adjacent first reinforcing ribs (121).

3. The liquid cooling box tray according to claim 2, wherein: Along the thickness direction of the tray (1), the first reinforcing rib (121) and the second reinforcing rib (122) have the same height.

4. The tray of the liquid cooling box according to claim 2 or 3, wherein: The first reinforcing rib (121) includes a first reinforcing portion (121b) and a second reinforcing portion (121c), the width of the first reinforcing portion (121b) is not less than the width of the second reinforcing portion (121c), and the first reinforcing portion (121b) and the second reinforcing portion (121c) are arranged at intervals.

5. The liquid cooling box tray according to claim 2, wherein: At least one end of the first reinforcing rib (121) is provided with a recessed portion (121a); The tray (1) further comprises a bracket (13), at least a portion of the bracket (13) is located in the recessed portion (121a), and the bracket (13) is connected to a side wall of the recessed portion (121a).

6. The tray of the liquid cooling box according to claim 1 or 5, wherein: The reinforcing rib (12) comprises a main body portion (123) and a connecting portion (124), wherein the connecting portion (124) is located on opposite sides of the main body portion (123), and the connecting portion (124) is connected to the main body portion (11). Along the thickness direction of the pallet (1), there is a gap between the main body portion (123) and the main body portion (11).

7. A liquid cooling box, comprising a tray (1) and a heat exchange element (2), wherein the tray (1) comprises a main body (11) and at least one reinforcing rib (12), wherein one side of the main body (11) has a mounting portion (111) along the thickness direction of the tray, wherein the reinforcing rib (12) is arranged in the mounting portion (111), wherein the reinforcing rib (12) and / or the main body (11) are provided with a supporting portion (125), and wherein the tray further comprises a recessed portion (121a), wherein the recessed portion (121a) is recessed along the thickness direction of the tray (1); and wherein the recessed portion (121a) and the supporting portion (125) have a preset height difference; The heat exchange element (2) is located on a side of the tray (1) where the reinforcing rib (12) is provided, and along the height direction of the liquid cooling box, the heat exchange element (2) is in contact with the surface of the support portion (125) of the reinforcing rib (12); The heat exchange element (2) comprises a header (21), at least a portion of the header (21) extends into the recessed portion (121a).

8. The liquid cooling box according to claim 7, wherein: The heat exchange element (2) includes a header (21) and at least one flow section (24); the header (21) includes at least a first header (211), a second header (212) and a third header (213); the second header (212) and the third header (213) are located on opposite sides of the flow section (24); the first header (211) and the second header (212) are located on the same side of the flow section (24); one end of the first header (211) has a first flow opening (211a), and the other end is connected to the second header (212); the third header (213) has a second flow opening (213a); and the flow section (24) connects the second header (212) and the third header (213).

9. The liquid cooling box according to claim 8, wherein: The heat exchange element (2) comprises at least a first heat exchange portion (22) and a second heat exchange portion (23), the first heat exchange portion (22) and the second heat exchange portion (23) being connected via the header (21), and the first heat exchange portion (22) and the second heat exchange portion (23) respectively comprising at least one flow section (24); The reinforcing rib (12) includes a first reinforcing rib (121), and the first reinforcing rib (121) includes a first reinforcing portion (121b) and a second reinforcing portion (121c). Along the height direction of the liquid cooling box, the projection of the first reinforcing portion (121b) is located within the projection range of the flow section (24) of the first heat exchange portion (22) or the flow section (24) of the second heat exchange portion (23), a portion of the projection of the second reinforcing portion (121c) is located within the projection range of the flow section (24) of the first heat exchange portion (22), and another portion of the projection of the second reinforcing portion (121c) is located within the projection range of the flow section (24) of the second heat exchange portion (23); The first reinforcing portion (121b), the second reinforcing portion (121c), the first heat exchange portion (22), and the second heat exchange portion (23) extend along a first direction of the tray (1).

10. The liquid cooling box according to claim 8, wherein: The first circulation port (211a) and the second circulation port (213a) are located on the same side of the liquid cooling box; One end of the first collecting pipe (211) having the first flow opening (211a) is bent toward a side close to the third collecting pipe (213), and / or one end of the third collecting pipe (213) having the second flow opening (213a) is bent toward a side close to the first collecting pipe (211).

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