Liquid cooling plate and liquid cooling box

Abstract

The utility model provides a liquid cooling plate and a liquid cooling box, comprising a liquid cooling plate main body, a longitudinal beam assembly and a cross beam assembly, the liquid cooling plate main body comprises a surface plate and a runner plate arranged below the surface plate, the longitudinal beam assembly comprises a first longitudinal beam, a second longitudinal beam and a third longitudinal beam, the first longitudinal beam and the second longitudinal beam are arranged on the two sides of the bottom of the liquid cooling plate body respectively, the third longitudinal beam is arranged between the first longitudinal beam and the second longitudinal beam, and the cross beam assembly comprises a first cross beam and a second cross beam which are arranged on the two sides of the bottom of the liquid cooling plate body respectively. And two ends of the third longitudinal beam are respectively arranged between the first cross beam and the runner plate and between the second cross beam and the runner plate. According to the liquid cooling plate, the first cross beam, the second cross beam, the third cross beam, the first longitudinal beam, the second longitudinal beam and the third longitudinal beam are arranged in a matched manner, so that the overall strength and stability of the liquid cooling plate can be greatly enhanced, and particularly when the size of the liquid cooling plate is large, the problems that the liquid cooling plate is easy to bend and deform, the welding seam is easy to crack and the air tightness is poor are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid cooling and heat dissipation, in particular to a liquid cooling plate and a liquid cooling box. Background Art

[0002] The new energy industry is developing rapidly, and battery energy storage technology has become the mainstream solution for new energy technology. With the increasing requirements for battery energy density and working stability, liquid cooling has become an important way to dissipate heat for batteries. The liquid cooling box is an important part of the liquid cooling system, which plays a role in supporting and protecting the load.

[0003] Conventional liquid cooling boxes use a frame-type structural design, and the frame joints are connected by welding and reinforced with a crossbeam structure. The crossbeam of the frame-type lower box is subjected to large forces, and the welds at the joints between the crossbeam and the frame are prone to cracking. When the module structure size is large, the overall structural strength is weak, and bending and deformation are prone to occur. At the same time, the risk of weld failure is also increased, and additional reinforcement treatment is required for the weld joints. Therefore, the production process is complex, the processing efficiency is low, and the manufacturing cost is high.

[0004] Therefore, it is necessary to provide a liquid cooling plate and a liquid cooling box to overcome the above-mentioned defects. Utility Model Content

[0005] The utility model aims to provide a liquid cooling plate and a liquid cooling box, which can overcome the problems in the prior art of low structural strength, easy cracking of welds at the connection between the beam and the frame, complex production process and high manufacturing cost.

[0006] According to one aspect of the utility model, a liquid cooling plate is provided, comprising:

[0007] The liquid cooling plate body includes a plane plate and a flow channel plate disposed below the plane plate and stacked with the plane plate, wherein the flow channel plate includes a pipeline portion protruding downward and a bonding portion bonded to the lower surface of the plane plate;

[0008] A longitudinal beam assembly, the longitudinal beam assembly is arranged along the length direction of the liquid cooling plate body, and the longitudinal beam assembly includes a first longitudinal beam and a second longitudinal beam respectively arranged on both sides of the bottom of the liquid cooling plate body, and a third longitudinal beam arranged between the first longitudinal beam and the second longitudinal beam;

[0009] A crossbeam assembly, the crossbeam assembly is arranged along the width direction of the liquid cooling plate body, and the crossbeam assembly includes a first crossbeam and a second crossbeam respectively arranged on both sides of the bottom of the liquid cooling plate body;

[0010] The third longitudinal beam is arranged between the flow channel plate and the cross beam assembly, and two ends of the third longitudinal beam are respectively arranged between the first cross beam and the flow channel plate and between the second cross beam and the flow channel plate.

[0011] Preferably, the third longitudinal beam is arranged in contact with the flow channel plate, and the third longitudinal beam is provided with a third protrusion and a third recess, the third protrusion is arranged corresponding to the pipeline portion of the flow channel plate, and the third recess is arranged corresponding to the contact portion of the flow channel plate.

[0012] Preferably, one end of the beam assembly is fixed to the lower surface of the first longitudinal beam, and the other end of the beam assembly is fixed to the lower surface of the second longitudinal beam. The beam assembly also includes a third beam arranged between the first beam and the second beam, and the third beam is located at the bottom of the third longitudinal beam.

[0013] Preferably, the third longitudinal beam is located in the middle of the third transverse beam in the width direction, the third longitudinal beam is provided with a reinforcing connection portion fixed to the third transverse beam, and the third transverse beam is provided with a reinforcing protrusion fixed to the reinforcing connection portion.

[0014] Preferably, the lower surfaces of the first longitudinal beam and the second longitudinal beam are both stepped surfaces, and the crossbeam assembly includes a side fixing portion that is cooperatively connected to the stepped surfaces of the first longitudinal beam and the second longitudinal beam.

[0015] Preferably, the beam assembly also includes a reinforcing beam, which is arranged between the first beam and the second beam, and the width of the reinforcing beam is greater than the width of the third beam. The reinforcing beam includes a reinforcing protrusion fixed to the reinforcing connection part and a reinforcing recessed part arranged in the fitting part and fixed to the fitting part.

[0016] Preferably, a first protrusion and a first recess are provided at the intersection and overlap of the first cross beam and the third longitudinal beam, the first cross beam is fixed to the third longitudinal beam via the first protrusion, and the first recess is provided corresponding to the fitting portion and is fixed to the flow channel plate via the first recess.

[0017] Preferably, a second protrusion and a second recess are provided at the intersection and overlap of the second cross beam and the third longitudinal beam, the second protrusion is arranged correspondingly to the third protrusion, and the second recess is arranged correspondingly to the third recess.

[0018] Preferably, the liquid cooling plate comprises a liquid inlet and a liquid outlet connected to the pipeline portion and a module beam arranged on the upper surface of the plane plate, the liquid inlet and the liquid outlet are arranged on the side where the first cross beam is located, and the module beam is arranged along the width direction of the liquid cooling plate body.

[0019] According to another aspect of the utility model, there is provided a liquid cooling plate, comprising:

[0020] The liquid cooling plate body includes a plane plate and a flow channel plate disposed below the plane plate and stacked with the plane plate, wherein the flow channel plate includes a pipeline portion protruding downward and a bonding portion bonded to the lower surface of the plane plate;

[0021] A longitudinal beam assembly, the longitudinal beam assembly is arranged along the length direction of the liquid cooling plate body, and the longitudinal beam assembly includes a first longitudinal beam and a second longitudinal beam respectively arranged on both sides of the bottom of the liquid cooling plate body, and a third longitudinal beam arranged between the first longitudinal beam and the second longitudinal beam;

[0022] A crossbeam assembly, the crossbeam assembly is arranged along the width direction of the liquid cooling plate body, and the crossbeam assembly includes a first crossbeam and a second crossbeam respectively arranged on both sides of the bottom of the liquid cooling plate body;

[0023] The crossbeam assembly is arranged at the bottom of the flow channel plate and is fitted with the flow channel plate. The longitudinal beam assembly is arranged at the bottom of the crossbeam assembly and is fixed to the flow channel plate through the crossbeam assembly. The two ends of the third longitudinal beam are respectively arranged at the bottom of the first crossbeam and the bottom of the second crossbeam.

[0024] Preferably, the third longitudinal beam is provided with a third protruding portion and a third recessed portion, the third protruding portion is arranged corresponding to the pipeline portion of the flow channel plate, and the third recessed portion is arranged corresponding to the fitting portion of the flow channel plate.

[0025] Preferably, the crossbeam assembly further includes a third crossbeam disposed between the first crossbeam and the second crossbeam, and the third crossbeam is located between the third longitudinal beam and the flow channel plate.

[0026] Preferably, the third longitudinal beam is located in the middle of the third transverse beam in the width direction, the third longitudinal beam is provided with a reinforcing connection portion fixed to the third transverse beam, and the third transverse beam is provided with a reinforcing protrusion fixed to the reinforcing connection portion.

[0027] Preferably, the beam assembly also includes a reinforcing beam, which is arranged between the first beam and the second beam, and the width of the reinforcing beam is greater than the width of the third beam. The reinforcing beam includes a reinforcing protrusion fixed to the reinforcing connection part and a reinforcing recessed part arranged in the fitting part and fixed to the fitting part.

[0028] According to another aspect of the present invention, a liquid cooling box is provided, which includes the above-mentioned liquid cooling plate and a box body covered on the upper surface of the flat plate, wherein the box body and the flat plate form a receiving space.

[0029] Compared with the prior art, the liquid cooling plate and liquid cooling box provided by the utility model have the following beneficial effects:

[0030] Due to the adoption of the above-mentioned technical scheme, the utility model has the advantages of simple structure, ingenious design and low cost. Through the coordinated arrangement of the first cross beam, the second cross beam, the third cross beam and the first longitudinal beam, the second longitudinal beam and the third longitudinal beam, the overall strength and stability of the liquid cooling plate can be greatly enhanced. Especially when the size and structure of the liquid cooling plate are large, the problems of easy bending and deformation of the liquid cooling plate, easy cracking at the weld and poor air tightness are solved. At the same time, the difficulty of its processing and forming is low, which also saves production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The utility model is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0032] Figure 1 This is a front perspective view of the liquid cooling plate of the first embodiment of the utility model;

[0033] Figure 2 This is a back perspective view of the liquid cooling plate of the first embodiment of the present utility model;

[0034] Figure 3 This is an exploded view of the liquid cooling plate of the first embodiment of the utility model;

[0035] Figure 4 This is a structural schematic diagram of the liquid cooling plate of the first embodiment of the utility model without the liquid cooling plate body;

[0036] Figure 5 It is a three-dimensional diagram of the third longitudinal beam of the first embodiment of the utility model;

[0037] Figure 6 This is an exploded view of the liquid cooling plate of the second embodiment of the utility model;

[0038] Figure 7 It is a three-dimensional diagram of the liquid cooling box of the third embodiment of the present utility model.

[0039] Among them, 1. Liquid cooling plate body, 11. Flat plate, 12. Flow channel plate, 121. Pipeline part, 122. Fitting part, 2. Longitudinal beam assembly, 21. First longitudinal beam, 22. Second longitudinal beam, 23. Third longitudinal beam, 231. Third protrusion, 232. Third recess, 233. Strengthening connection part, 3. Cross beam assembly, 31. First cross beam, 311. First protrusion, 312. First recess, 313. Side fixing part, 32. Second cross beam, 321. Second protrusion, 322. Second recess, 33. Third cross beam, 331. Strengthening protrusion, 34. Strengthening beam, 341. Strengthening protrusion, 342. Strengthening recess, 4. Liquid inlet, 5. Liquid outlet, 6. Module beam, 7. Box body. DETAILED DESCRIPTION

[0040] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0041] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked. In this article, "one" not only means "only one", but also means "more than one".

[0042] It should be further understood that the term “and / or” used in the specification and appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0043] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0044] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0045] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0046] Example 1

[0047] See also Figure 1 , Figure 2 and Figure 3 This embodiment discloses a liquid cooling plate, including a liquid cooling plate body 1, a longitudinal beam assembly 2 and a transverse beam assembly 3. The liquid cooling plate body 1 includes a plane plate 11 and a flow channel plate 12 disposed below the plane plate 11 and stacked with the plane plate 11. The flow channel plate 12 includes a pipeline portion 121 formed by protruding downward and a bonding portion 122 bonded to the lower surface of the plane plate 11.

[0048] The longitudinal beam assembly 2 is arranged along the length direction of the liquid cooling plate body 1, and the longitudinal beam assembly 2 includes a first longitudinal beam 21 and a second longitudinal beam 22 respectively arranged on both sides of the bottom of the liquid cooling plate body 1, and a third longitudinal beam 23 arranged between the first longitudinal beam 21 and the second longitudinal beam 22. The lower surfaces of the first longitudinal beam 21 and the second longitudinal beam 22 are both stepped surfaces. In this embodiment, the number of the third longitudinal beam 23 is 1, and in other embodiments, the number of the third longitudinal beam 23 can be multiple. Since it is only a change in the setting of the number of the third longitudinal beam 23, it will not be described in detail here.

[0049] The crossbeam assembly 3 is arranged along the width direction of the liquid cooling plate body 1, and the crossbeam assembly 3 includes a first crossbeam 31 and a second crossbeam 32 respectively arranged on both sides of the bottom of the liquid cooling plate body 1, and a third crossbeam 33 arranged between the first crossbeam 31 and the second crossbeam 32. In this embodiment, the number of the third crossbeams 33 is set to 4, and in other embodiments, the number and arrangement of the third crossbeams 33 can be adjusted according to the size of the liquid cooling plate body 1.

[0050] The cross beam assembly 3 further includes a reinforcing beam 34 , which is disposed between the first cross beam 31 and the second cross beam 32 and has two third cross beams 33 disposed on both sides thereof. The width of the reinforcing beam 34 is greater than that of the third cross beam 33 .

[0051] See also Figure 4 and Figure 5 In this embodiment, one end of the crossbeam assembly 3 is fixed to the lower surface of the first longitudinal beam 21, and the other end of the crossbeam assembly 3 is fixed to the lower surface of the second longitudinal beam 22. The two ends of the crossbeam assembly 3 are respectively fixed to the lower surfaces of the first longitudinal beam 21 and the second longitudinal beam 22, which can improve the stability of the crossbeam assembly 3. The third longitudinal beam 23 is arranged between the flow channel plate 12 and the crossbeam assembly 3, and the two ends of the third longitudinal beam 23 are respectively arranged between the first crossbeam 31 and the flow channel plate 12 and between the second crossbeam 32 and the flow channel plate 12. The third longitudinal beam 23 is arranged in contact with the flow channel plate 12, and the third longitudinal beam 23 is provided with a third protrusion 231 and a third recessed portion 232. The third protrusion 231 is arranged corresponding to the pipeline portion 121 of the flow channel plate 12, and the third recessed portion 232 is arranged corresponding to the contact portion 122 of the flow channel plate 12.

[0052] The third longitudinal beam 23 is located in the middle of the third cross beam 33. The third longitudinal beam 23 is provided with a reinforcing connection portion 233 fixed to the third cross beam 33 and the reinforcing beam 34. The third cross beam 33 is provided with a reinforcing protrusion 331 fixed to the reinforcing connection portion 233. The reinforcing beam 34 includes a reinforcing protrusion 341 fixed to the reinforcing connection portion 233 and a reinforcing recess 342 disposed in the fitting portion 122 and fixed to the fitting portion 122.

[0053] The cross beam assembly 3 includes a side fixing portion 313 that is connected to the stepped surface of the first longitudinal beam 21 and the second longitudinal beam 22. The cross beam assembly 3 is fixed to the lower surface of the longitudinal beam assembly 2 by providing bolt holes on the side fixing portion 313. The number, size and arrangement of the side fixing portions 313 can be combined and adjusted according to actual conditions.

[0054] A first protrusion 311 and a first recess 312 are provided at the intersection and overlap of the first cross beam 31 and the third longitudinal beam 23 . The first cross beam 31 is fixed to the third longitudinal beam 23 via the first protrusion 311 . The first recess 312 is provided corresponding to the fitting portion 122 and is fixed to the flow channel plate 12 via the first recess 312 .

[0055] A second protrusion 321 and a second recess 322 are provided at the intersection and overlap of the second cross beam 32 and the third longitudinal beam 23. The second protrusion 321 is provided corresponding to the third protrusion 231, and the second recess 322 is provided corresponding to the third recess 232. The liquid cooling plate includes a liquid inlet 4 and a liquid outlet 5 connected to the pipeline part 121, and a module beam 6 provided on the upper surface of the plane plate 11. The liquid inlet 4 and the liquid outlet 5 are provided on the side where the first cross beam 31 is located, and the module beam 6 is provided along the direction where the width of the liquid cooling plate body 1 is located. In this embodiment, the number of module beams 6 is 5, which can facilitate the overlapping of battery modules with larger volume or more number.

[0056] Example 2

[0057] See also Figure 6 In other embodiments, the components included in the liquid cooling plate are the same as those in Embodiment 1, but the longitudinal beam assembly and the cross beam assembly are arranged differently. This embodiment discloses a liquid cooling plate, including a liquid cooling plate body 1, a longitudinal beam assembly 2, and a cross beam assembly 3. The liquid cooling plate body 1 includes a plane plate 11 and a flow channel plate 12 disposed below the plane plate 11 and stacked with the plane plate 11. The flow channel plate 12 includes a pipeline portion 121 formed by a downward protrusion and a bonding portion 122 bonded to the lower surface of the plane plate 11.

[0058] The crossbeam assembly 3 is arranged along the width direction of the liquid cooling plate body 1, and the crossbeam assembly 3 includes a first crossbeam 31 and a second crossbeam 32 respectively arranged on both sides of the bottom of the liquid cooling plate body 1, and a third crossbeam 33 arranged between the first crossbeam 31 and the second crossbeam 32. In this embodiment, the number of the third crossbeams 33 is set to 4, and in other embodiments, the number and arrangement of the third crossbeams 33 can be adjusted according to the size of the liquid cooling plate body 1.

[0059] The cross beam assembly 3 further includes a reinforcing beam 34 , which is disposed between the first cross beam 31 and the second cross beam 32 and has two third cross beams 33 disposed on both sides thereof. The width of the reinforcing beam 34 is greater than that of the third cross beam 33 .

[0060] The longitudinal beam assembly 2 is arranged along the length direction of the liquid cooling plate body 1, and the longitudinal beam assembly 2 includes a first longitudinal beam 21 and a second longitudinal beam 22 respectively arranged on both sides of the bottom of the liquid cooling plate body 1, and a third longitudinal beam 23 arranged between the first longitudinal beam 21 and the second longitudinal beam 22. In this embodiment, the number of the third longitudinal beam 23 is one, and in other embodiments, the number of the third longitudinal beam 23 may be multiple, and since it is only a change in the number of the third longitudinal beams 23, it will not be described in detail here.

[0061] The crossbeam assembly 3 is arranged at the bottom of the flow channel plate 12 and is arranged in close contact with the flow channel plate 12. The longitudinal beam assembly 2 is arranged at the bottom of the crossbeam assembly 3 and is fixed to the flow channel plate 12 through the crossbeam assembly 3. The two ends of the third longitudinal beam 23 are respectively arranged at the bottom of the first crossbeam 31 and the bottom of the second crossbeam 32.

[0062] The third longitudinal beam 23 is provided with a third protruding portion 231 and a third recessed portion 232 . The third protruding portion 231 is provided corresponding to the pipeline portion 121 of the flow channel plate 12 , and the third recessed portion 232 is provided corresponding to the fitting portion 122 of the flow channel plate 12 .

[0063] The third cross beam 33 is located between the third longitudinal beam 23 and the flow channel plate 12. The third longitudinal beam 23 is located in the middle of the width direction of the third cross beam 33. The third longitudinal beam 23 is provided with a reinforcing connection portion 233 fixed to the third cross beam 33. The third cross beam 33 is provided with a reinforcing protrusion 331 that protrudes downward and is fixed to the reinforcing connection portion 233. The reinforcing beam 34 includes a reinforcing protrusion 341 that is fixed to the reinforcing connection portion 233 and a reinforcing recessed portion 342 that is provided in the fitting portion 122 and fixed to the fitting portion 122.

[0064] Embodiment 3

[0065] See also Figure 7 This embodiment provides a liquid cooling box, which includes the liquid cooling plate as in the first or second embodiment, and a box body 7 covering the upper surface of the flat plate 11, wherein the box body 7 and the flat plate 11 form a receiving space.

[0066] It will be apparent to those skilled in the art that various modifications and variations can be made to the above exemplary embodiments of the present invention without departing from the spirit and scope of the present invention. Therefore, it is intended that the present invention covers modifications and variations of the present invention that fall within the scope of the appended claims and their equivalent technical solutions.

Claims

1. A liquid cooling plate, characterized in that: include: A liquid cooling plate body, the liquid cooling plate body comprising a plane plate and a flow channel plate disposed below the plane plate and stacked with the plane plate, the flow channel plate comprising a pipeline portion protruding downward and a bonding portion bonded to the lower surface of the plane plate; A longitudinal beam assembly, wherein the longitudinal beam assembly is arranged along the length direction of the liquid cooling plate body, and the longitudinal beam assembly comprises a first longitudinal beam and a second longitudinal beam respectively arranged at two sides of the bottom of the liquid cooling plate body, and a third longitudinal beam arranged between the first longitudinal beam and the second longitudinal beam; A crossbeam assembly, wherein the crossbeam assembly is arranged along the width direction of the liquid cooling plate body, and the crossbeam assembly comprises a first crossbeam and a second crossbeam respectively arranged on both sides of the bottom of the liquid cooling plate body; The third longitudinal beam is disposed between the flow channel plate and the cross beam assembly, and two ends of the third longitudinal beam are respectively disposed between the first cross beam and the flow channel plate and between the second cross beam and the flow channel plate.

2. The liquid cooling plate according to claim 1, characterized in that: The third longitudinal beam is arranged in contact with the flow channel plate, and is provided with a third protruding portion and a third recessed portion. The third protruding portion is arranged correspondingly to the pipeline portion of the flow channel plate, and the third recessed portion is arranged correspondingly to the contact portion of the flow channel plate.

3. The liquid cooling plate according to claim 2, characterized in that: One end of the crossbeam assembly is fixed to the lower surface of the first longitudinal beam, and the other end of the crossbeam assembly is fixed to the lower surface of the second longitudinal beam. The crossbeam assembly also includes a third crossbeam arranged between the first crossbeam and the second crossbeam, and the third crossbeam is located at the bottom of the third longitudinal beam.

4. The liquid cooling plate according to claim 3, characterized in that: The third longitudinal beam is located in the middle of the third cross beam in the width direction, the third longitudinal beam is provided with a reinforcing connection portion fixed to the third cross beam, and the third cross beam is provided with a reinforcing protrusion portion fixed to the reinforcing connection portion.

5. The liquid cooling plate according to claim 4, characterized in that: The lower surfaces of the first longitudinal beam and the second longitudinal beam are both stepped surfaces, and the cross beam assembly includes a side fixing portion that is cooperatively connected with the stepped surfaces of the first longitudinal beam and the second longitudinal beam.

6. The liquid cooling plate according to claim 4, characterized in that: The beam assembly also includes a reinforcing beam, which is arranged between the first beam and the second beam. The width of the reinforcing beam is greater than the width of the third beam. The reinforcing beam includes a reinforcing protrusion fixed to the reinforcing connection portion and a reinforcing recessed portion arranged in the fitting portion and fixed to the fitting portion.

7. The liquid cooling plate according to claim 1, wherein: A first protrusion and a first recess are provided at the intersection and overlap of the first cross beam and the third longitudinal beam, the first cross beam is fixed to the third longitudinal beam via the first protrusion, and the first recess is provided corresponding to the fitting portion and is fixed to the flow channel plate via the first recess.

8. The liquid cooling plate according to claim 6, wherein: A second convex portion and a second concave portion are provided at the intersection and overlap of the second cross beam and the third longitudinal beam, the second convex portion is arranged correspondingly to the third convex portion, and the second concave portion is arranged correspondingly to the third concave portion.

9. The liquid cooling plate according to claim 8, characterized in that: The liquid cooling plate includes a liquid inlet and a liquid outlet connected to the pipeline portion and a module beam arranged on the upper surface of the flat plate, the liquid inlet and the liquid outlet are arranged on the side where the first cross beam is located, and the module beam is arranged along the direction where the width of the liquid cooling plate body is located.

10. A liquid cooling plate, characterized in that: include: A liquid cooling plate body, the liquid cooling plate body comprising a plane plate and a flow channel plate disposed below the plane plate and stacked with the plane plate, the flow channel plate comprising a pipeline portion protruding downward and a bonding portion bonded to the lower surface of the plane plate; A longitudinal beam assembly, wherein the longitudinal beam assembly is arranged along the length direction of the liquid cooling plate body, and the longitudinal beam assembly comprises a first longitudinal beam and a second longitudinal beam respectively arranged at two sides of the bottom of the liquid cooling plate body, and a third longitudinal beam arranged between the first longitudinal beam and the second longitudinal beam; A crossbeam assembly, wherein the crossbeam assembly is arranged along the width direction of the liquid cooling plate body, and the crossbeam assembly comprises a first crossbeam and a second crossbeam respectively arranged on both sides of the bottom of the liquid cooling plate body; The crossbeam assembly is arranged at the bottom of the flow channel plate and is fitted with the flow channel plate. The longitudinal beam assembly is arranged at the bottom of the crossbeam assembly and is fixed to the flow channel plate through the crossbeam assembly. The two ends of the third longitudinal beam are respectively arranged at the bottom of the first crossbeam and the bottom of the second crossbeam.

11. The liquid cooling plate according to claim 10, characterized in that: The third longitudinal beam is provided with a third protruding portion and a third recessed portion. The third protruding portion is arranged corresponding to the pipeline portion of the flow channel plate, and the third recessed portion is arranged corresponding to the fitting portion of the flow channel plate.

12. The liquid cooling plate according to claim 11, wherein: The crossbeam assembly further includes a third crossbeam disposed between the first crossbeam and the second crossbeam, wherein the third crossbeam is located between the third longitudinal beam and the flow channel plate.

13. The liquid cooling plate according to claim 12, wherein: The third longitudinal beam is located in the middle of the third cross beam in the width direction, the third longitudinal beam is provided with a reinforcing connection portion fixed to the third cross beam, and the third cross beam is provided with a reinforcing protrusion portion fixed to the reinforcing connection portion.

14. The liquid cooling plate according to claim 13, wherein: The beam assembly also includes a reinforcing beam, which is arranged between the first beam and the second beam. The width of the reinforcing beam is greater than the width of the third beam. The reinforcing beam includes a reinforcing protrusion fixed to the reinforcing connection portion and a reinforcing recessed portion arranged in the fitting portion and fixed to the fitting portion.

15. A liquid cooling box, characterized in that: The liquid cooling plate comprises the liquid cooling plate according to any one of claims 1 to 14, and a box body covered on the upper surface of the flat plate, wherein the box body and the flat plate form a receiving space.

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