A water-cooled tray

Abstract

The utility model relates to the technical field of water cooling device especially relates to a water cooling disc, water cooling disc is equipped with the water inlet channel, the serpentine channel and the water outlet channel that communicate in proper order inside, the water inlet channel is connected with the water inlet, the water outlet channel is connected with the water outlet, and the water inlet and the water outlet respectively extend from the water inlet channel and the water outlet channel along the longitudinal direction to the outside of water cooling disc, the serpentine channel is around the outer circumferential side of water inlet channel and water outlet channel, forms the annular serpentine channel of symmetry, has optimized the flow path of water cooling disc internal channel, solved the problem that the water flow is uneven because of the unreasonable import and export position in the design of traditional serpentine channel, further significantly improves the heat exchange efficiency and cooling uniformity of water cooling disc whole, and the symmetrical channel structure helps to guarantee the airtightness of water cooling disc internal channel, avoids the flow channel leakage confusion and influences the flow efficiency of coolant, is favorable for improving the cooling effect of water cooling disc.

Description

Technical Field

[0001] This utility model relates to the technical field of water cooling devices, and in particular to a water cooling plate. Background Technology

[0002] As a core component in electronic device heat dissipation, power battery thermal management, and industrial heat exchangers, the flow channel design of water-cooled pans directly affects heat exchange efficiency, temperature distribution uniformity, and system airtightness. Existing water-cooled pans typically employ a traditional serpentine flow channel design. However, these designs generally place the inlet and outlet ends of the serpentine flow channel on the outer edge of the pan, or place them far apart on the outer and inner rings, respectively. This results in uneven flow paths within the serpentine channel, leading to uneven water flow. For example, some areas may have excessively high water velocity, failing to fully exchange heat with the pan, while others may have excessively slow velocity, easily causing localized overheating. This severely impacts the overall cooling effect of the water-cooled pan, making it difficult to meet the demands for efficient and uniform heat dissipation in various scenarios.

[0003] This utility model was proposed in response to the shortcomings of the existing technology. Utility Model Content

[0004] This invention addresses the problem that the uneven flow path of the traditional serpentine flow channel in existing water cooling plates, as mentioned above, leads to uneven water flow within the channel, severely affecting the overall cooling effect of the water cooling plate and making it difficult to meet the requirements for efficient and uniform heat dissipation in various scenarios. This invention proposes a new type of water cooling plate.

[0005] The technical solution adopted by this utility model to solve its technical problem is: A water-cooled plate has an inlet channel, a serpentine channel and an outlet channel connected in sequence inside the water-cooled plate. The inlet channel is connected to an inlet, and the outlet channel is connected to an outlet. The inlet and outlet extend longitudinally outward from the inlet and outlet channels, respectively, and the serpentine channel is arranged around the outer periphery of the inlet and outlet channels.

[0006] As described above, in a water-cooled plate, the inlet and outlet water channels are symmetrically arranged along the central axis of the water-cooled plate.

[0007] As described above, in a water-cooled plate, the inlet channel and the outlet channel are on the same straight line, and the inlet channel and the outlet channel extend in opposite directions along the radial direction of the water-cooled plate and are respectively connected to the two ends of the serpentine channel; the length of the outlet channel is greater than the length of the inlet channel.

[0008] As described above, in a water cooling plate, the inlet and outlet are symmetrically arranged along the central axis of the water cooling plate and close to the center of the bottom of the water cooling plate.

[0009] As described above, the water cooling plate is further provided with an installation part, the water inlet channel and the water outlet channel extend into the installation part respectively and are separated by the installation part; the installation part is provided with a plurality of first assembly holes.

[0010] In the water-cooled plate described above, at least one of the first mounting holes is configured as a through hole, the through hole extending longitudinally through the mounting portion, and a limiting step is provided inside the through hole.

[0011] In the water cooling plate described above, at least one of the first mounting holes is configured as a blind hole, which is formed by a longitudinal recess from the outer wall of the water cooling plate toward the interior of the mounting portion.

[0012] As described above, a water-cooling plate includes a base plate and a plate body disposed on the base plate. The inlet channel, the serpentine channel, the outlet channel, and the mounting part are disposed in the plate body. The inlet and the outlet are disposed in the base plate. At least one of the bottoms of the first mounting holes extends toward the base plate to form a fixing part. The base plate is also provided with a second mounting hole corresponding to the first mounting hole. The second mounting hole extends longitudinally through the base plate, and the fixing part is fitted and connected in the second mounting hole.

[0013] As described above, in a water cooling plate, the outer wall of the water cooling plate having the inlet and outlet is also provided with an extension portion. The extension portion extends longitudinally away from the water cooling plate from the outer wall of the water cooling plate having the inlet and outlet, and the inlet and outlet are respectively longitudinally disposed in the extension portion.

[0014] As described above, a water cooling plate has a groove on its outer wall away from the inlet and outlet. The groove is formed longitudinally from the outer wall away from the inlet and outlet towards the interior of the water cooling plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are: This utility model provides a water-cooled plate, which has an inlet channel, a serpentine channel, and an outlet channel connected in sequence inside the water-cooled plate. The inlet channel is connected to an inlet, and the outlet channel is connected to an outlet. The inlet channel, serpentine channel, and outlet channel form a unidirectional flow channel inside the water-cooled plate. Water in this unidirectional flow channel can enter the water-cooled plate from the inlet and flow out through the inlet channel, serpentine channel, and outlet channel to the outlet, thereby realizing the flow of coolant. The inlet and outlet extend longitudinally from the inlet channel and outlet channel respectively towards the outside of the water-cooled plate to connect with external pipelines, allowing coolant to be input and output to the water-cooled plate through the external pipelines. The serpentine channel is arranged around the inlet channel. The outer periphery of the water inlet and outlet channels forms a symmetrical annular serpentine flow channel, which optimizes the flow path inside the water cooling plate. This solves the problem of uneven water flow caused by unreasonable inlet and outlet positions in traditional serpentine flow channel designs. It avoids the phenomenon that some areas of the water flow velocity in the internal flow channel of the water cooling plate are too fast and cannot fully exchange heat with the plate, while some areas are too slow and cause local overheating. This significantly improves the overall heat exchange efficiency and cooling uniformity of the water cooling plate. At the same time, the symmetrical flow channel structure helps to ensure the airtightness of the internal flow channel of the water cooling plate, avoiding water leakage and disorder that would affect the flow efficiency of the coolant, which is conducive to improving the cooling effect of the water cooling plate.

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0017] Figure 1 This is a perspective view of the water-cooled plate of this utility model; Figure 2 This is a schematic diagram of the top of the water-cooling plate of this utility model; Figure 3 This is a side view of the water-cooled plate of this utility model; Figure 4 for Figure 3 Sectional view A-A in the middle; Figure 5 for Figure 2 The B-B section view in the diagram; Figure 6 for Figure 2 C-C section view in the middle; Figure 7 This is a schematic diagram of the bottom of the water-cooled plate of this utility model; Figure 8 for Figure 7 The D-D sectional view in the diagram. Detailed Implementation

[0018] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings. The described embodiments are merely some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0019] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0020] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0021] like Figure 1 As shown in Figure 7, this utility model provides a water-cooled plate 1, which can be installed in the cooling device of a vacuum coating equipment or applied to other liquid cooling devices. The water-cooled plate 1 can use cold water or other coolant as the refrigerant. This utility model does not make any specific limitations.

[0022] Specifically, the water-cooling plate 1 is provided with an inlet channel 11, a serpentine channel 12, and an outlet channel 13 connected in sequence. The inlet channel 11 is connected to an inlet 14, and the outlet channel 13 is connected to an outlet 15. The inlet channel 11, serpentine channel 12, and outlet channel 13 form a unidirectional flow channel inside the water-cooling plate 1. Water in this unidirectional flow channel can enter the water-cooling plate 1 from the inlet 14 and flow out through the inlet channel 11, serpentine channel 12, and outlet channel 13 in sequence towards the outlet 15 to realize the flow of coolant. The inlet 14 and outlet 15 extend longitudinally from the inlet channel 11 and outlet channel 13 respectively towards the outside of the water-cooling plate 1 to connect with external pipelines, allowing coolant to be input and output to the water-cooling plate 1 through the external pipelines. The serpentine channel 12 is arranged around the inlet channel 11 and outlet channel 13. On the outer periphery of the water flow channel 13, the serpentine flow channel 12 forms a symmetrical annular serpentine flow channel 12, which optimizes the flow path of the internal flow channel of the water cooling plate 1. It solves the problem of uneven water flow caused by unreasonable inlet and outlet positions in the traditional serpentine flow channel 12 design. It can avoid the phenomenon that the water flow velocity in some areas of the internal flow channel of the water cooling plate 1 is too fast and cannot fully exchange heat with the plate body 18, and that the water flow velocity in some areas is too slow and forms local overheating. Thus, it significantly improves the overall heat exchange efficiency and cooling uniformity of the water cooling plate 1. At the same time, the symmetrical flow channel structure helps to ensure the airtightness of the internal flow channel of the water cooling plate 1, avoids water leakage and disorder in the flow channel and affects the flow efficiency of the coolant, which is conducive to improving the cooling effect of the water cooling plate 1. In addition, by setting the serpentine flow channel 12 as an annular flow channel, the resistance of the flow channel sidewall to the water flow can also be reduced, thereby improving the flow efficiency of the coolant.

[0023] Furthermore, such as Figure 4 As shown, the inlet channel 11 and the outlet channel 13 are symmetrically arranged along the central axis of the water cooling plate 1. The inlet channel 11 and the outlet channel 13 are respectively connected to the two ends of the serpentine channel 12, so that the coolant also forms a symmetrical structure with respect to the input and output channels of the water cooling plate 1, which further optimizes the flow path of the internal channels of the water cooling plate 1.

[0024] In another optional embodiment of the water-cooling plate 1, such as Figure 4As shown, the inlet channel 11 and the outlet channel 13 are on the same straight line. The inlet channel 11 and the outlet channel 13 extend radially away from each other along the water-cooling plate 1 and are respectively connected to the two ends of the serpentine channel 12. The water flow direction in the inlet channel 11 is the same as the extension direction of the inlet channel 11, and the water flow direction in the outlet channel 13 is opposite to the extension direction of the outlet channel 13. Specifically, the inlet channel 11 can be formed by extending radially outward from one side of the center position of the plate body 18, and the outlet channel... 13 can be formed by extending radially outward from the other side of the center position of the disc body 18. The two ends of the annular serpentine flow channel 12 are respectively connected between the inlet flow channel 11 and the outlet flow channel 13, and several reversing bends 121 in the annular serpentine flow channel 12 are located on both sides of the outlet flow channel 13, and these several reversing bends 121 are away from the inlet flow channel 11, so as to realize the unidirectional flow of water from the inlet flow channel 11 along the annular serpentine flow channel 12 towards the outlet flow channel 13; in practical applications, the water flows from the inlet 14 into the inlet flow channel 13. The water flows from the center of the water-cooling plate 1 towards its outer edge along the annular serpentine flow channel 12, and then from the outer edge of the water-cooling plate 1 towards its center to the outlet flow channel 13, finally exiting the water-cooling plate 1 through the outlet 15. By aligning the inlet flow channel 11 and the outlet flow channel 13 on the same straight line, the water flow forms a more regular flow path when entering and exiting the annular serpentine flow channel 12, reducing local eddies and dead zones caused by abrupt changes in direction, thereby reducing flow resistance and allowing the water to flow more smoothly in the water-cooling plate. The water circulates within the internal flow channels of the water-cooled plate 1. Simultaneously, the straight-line flow channel layout allows for a more symmetrical and balanced connection between the inlet and outlet flow channels 13 and the annular serpentine flow channel 12. This facilitates further optimization of the uniformity of water flow distribution within the annular serpentine flow channel 12, enhancing the sufficiency and stability of heat exchange and reducing localized overheating. Furthermore, this regular flow channel layout also facilitates the processing and manufacturing of the internal flow channels of the water-cooled plate 1, reducing the manufacturing difficulty of the internal flow channels and helping to maintain the overall structural stability and airtightness of the water-cooled plate 1, ensuring that the water-cooled plate 1 maintains a good cooling effect.

[0025] Optionally, the length of the outlet channel 13 is greater than the length of the inlet channel 11, which can shorten the time for water to enter the serpentine channel 12 from the inlet channel 11, improve the efficiency of water entering the internal flow channels of the water-cooling plate 1, and thus improve the cooling efficiency of the water-cooling plate 1; furthermore, the water flows from the serpentine channel 12 to the outlet channel 13, and flows along the outlet channel 13 from the outer edge of the water-cooling plate 1 towards the center of the water-cooling plate 1, which can further increase the cooling area and improve the cooling efficiency; in addition, as Figure 4As shown, since the annular serpentine flow channels 12 are arranged around both sides of the water outlet channel 13, the heat exchange between the channels can be enhanced, the water temperature in the water outlet channel 13 can be reduced, and the water temperature in the water outlet channel 13 can be prevented from being too high, which would cause local overheating of the water cooling plate 1, thereby further improving the cooling efficiency and heat exchange uniformity of the water cooling plate 1.

[0026] In another optional embodiment of the water-cooled plate 1, such as Figure 4 and Figure 8 As shown, the inlet 14 and outlet 15 are symmetrically arranged along the central axis of the water-cooling plate 1 and close to the center of the bottom of the water-cooling plate 1, and the inlet 14 and outlet 15 extend downward in the longitudinal direction respectively. In this embodiment, the inlet and outlet 15 can both be located at the bottom of the water-cooling plate 1 to facilitate the connection of external pipelines. At the same time, the inlet 14 and outlet 15 also form a symmetrical structure in the water-cooling plate 1. Combined with the inlet channel 11 and outlet channel 13 being symmetrically arranged along the central axis of the plate body 18, the flow rate and flow uniformity of the coolant in the internal channels of the water-cooling plate 1 can be further improved, thereby improving the overall heat exchange efficiency and cooling uniformity of the water-cooling plate 1. Furthermore, the annular serpentine flow channel 12 is arranged spiraling from the center of the plate 18 toward the outer edge of the plate 18, and the width of the annular serpentine flow channel 12 is equal along its water flow direction, which enables the water to flow orderly along the annular serpentine flow channel 12 and uniformly cover all areas of the plate 18 during the flow process, which is beneficial to improving the cooling uniformity and stability of the water cooling plate 1 and further improving the cooling efficiency.

[0027] On the other hand, to facilitate the assembly and use of the water cooling plate 1, this utility model also provides another optional embodiment of the water cooling plate 1, such as... Figure 4 As shown, the water-cooling plate 1 is further provided with a mounting part 16. The water inlet channel 11 and the water outlet channel 13 extend into the mounting part 16 and are separated by the mounting part 16. Optionally, the mounting part 16 is coaxially arranged with the water-cooling plate 1. The mounting part 16 is provided with a plurality of first mounting holes 161. Some of the first mounting holes 161 can be used to install the water-cooling plate 1 in a cooling device for use by connecting parts such as screws and bolts. Alternatively, some of the first mounting holes 161 can be used to install electrical components such as thermocouples or connect other external devices, so as to simplify the assembly structure in the water-cooling plate 1, improve the compactness of the assembly structure of the water-cooling plate 1, and thus make the external structure of the water-cooling plate 1 simpler and reduce the volume of the water-cooling plate 1.

[0028] Furthermore, such as Figure 4 , 5As shown in Figures 6 and 8, the water-cooled plate 1 includes a base plate 17 and a plate body 18 disposed on the base plate 17. The water inlet channel 11, the serpentine channel 12, the water outlet channel 13, and the mounting part 16 are disposed within the plate body 18. The water inlet 14 and the water outlet 15 are disposed in the base plate 17. At least one of the bottoms of the first mounting hole 161 extends toward the base plate 17 to form a fixing part 162. The base plate 17 also has a second mounting hole 171 corresponding to the first mounting hole 161. The second mounting hole 171 extends longitudinally through the base plate 17. The fixing part 162 is fitted and connected to the second mounting hole 171. The fixing part 162 is inserted into the second mounting hole 171. 1. This design allows the plate 18 to be pre-positioned via the fixing part 162 and connected to the base plate 17, facilitating welding of the plate 18 and the base plate 17 and enhancing the structural stability and internal flow channel sealing of the water-cooling plate 1. Furthermore, the first mounting hole 161 extends to the inner side of the fixing part 162. When the fixing part 162 is inserted into the second mounting hole 171, the water-cooling plate 1 can be installed through the first mounting hole 161, facilitating the assembly of the water-cooling plate 1. Moreover, the length of the fixing part 162 is less than the depth of the second mounting hole 171, preventing the fixing part 162 from extending beyond the water-cooling plate 1 through the second mounting hole 171, thus ensuring the flatness of the bottom surface of the water-cooling plate 1 and facilitating the assembly of the water-cooling plate 1.

[0029] In another optional embodiment of the water-cooling plate 1, the base plate 17 and the plate body 18 are connected by welding. The plate body 18 is provided with a plurality of partitions 10, which form the sidewalls of the inlet channel 11, the serpentine channel 12 and the outlet channel 13 to separate the channels. The base plate 17 is closed to the bottom of the plate body 18, and the partitions 10 are integrally formed with the plate body 18 and welded to the base plate 17 to separate the inlet channel 11, the serpentine channel 12 and the outlet channel 13. This also helps to improve the airtightness of the internal channels of the water-cooling plate 1 and avoids the flow of water being affected by the chaotic flow channels.

[0030] In an alternative embodiment of the mounting portion 16, such as Figure 6 As shown, at least one of the first mounting holes 161 is configured as a through hole 161a, which extends longitudinally through the mounting portion 16. A limiting step 1611 is provided in the through hole 161a. Correspondingly, the bottom of the first mounting hole 161, which serves as the through hole 161a, extends toward the base plate 17 to form a fixing portion 162, and is connected to the corresponding second mounting hole 171 through the fixing portion 162. The through hole 161a can be used to install the water cooling plate 1 in the cooling device through connecting parts such as screws and bolts. The limiting step 1611 can limit the installation depth of the connecting parts, thereby improving the disassembly and assembly efficiency of the water cooling plate 1.

[0031] In another alternative embodiment of the mounting portion 16, such as Figure 4 As shown, there are four through holes 161a, and each through hole 161a is arranged in a matrix in the mounting part 16. The four corresponding second assembly holes 171 are arranged in relation to each through hole 161a. The water inlet 14 and the water outlet 15 are located between the four second assembly holes 171, which helps to improve the assembly stability of the water cooling plate 1.

[0032] In another optional embodiment of the mounting portion 16, such as Figure 5 As shown, at least one of the first mounting holes 161 is configured as a blind hole, which is formed by recessing longitudinally from the outer wall of the water-cooling plate 1 toward the interior of the mounting portion 16; there are a plurality of blind holes, for example, some of the blind holes are configured as blind hole one 161b, which is formed by recessing upward from the bottom of the mounting portion 16. Correspondingly, the bottom of the first mounting hole 161, which is blind hole one 161b, extends toward the base plate 17 to form a fixing portion 162, and is connected to the corresponding second mounting hole 171 through the fixing portion 162; the blind hole one 161b can be used to install electrical components such as thermocouples; another example For example, some of the blind holes are configured as blind hole two 161c, which is formed by a downward recess from the top of the mounting part 16. Blind hole two 161c can be used to install external structures. For example, when the water cooling plate 1 is used in the cooling device of a vacuum coating equipment, a sample plate for loading the coating product can be provided on the upper part of the water cooling plate 1. At this time, the sample plate can be positioned and installed through blind hole two 161c, and the coating product can be cooled by the water cooling plate 1. In practical applications, blind hole two 161c can be a positioning hole for the sample plate or a threaded connection hole for the sample plate. This utility model does not make specific limitations.

[0033] On the other hand, in another alternative embodiment of the water-cooling plate 1, such as Figure 5 and Figure 8As shown, the water-cooling plate 1 has an extension 191 on its outer wall where the inlet 14 and outlet 15 are located. The extension 191 extends longitudinally away from the water-cooling plate 1 from the outer wall where the inlet 14 and outlet 15 are located. The inlet 14 and outlet 15 are respectively longitudinally connected to the extension 191. In this embodiment, the extension 191 can be located at the bottom of the water-cooling plate 1. The extension 191 is coaxially connected to the bottom of the water-cooling plate 1. The inlet 14 and outlet 15 are respectively longitudinally connected to the extension 191, which makes the layout of the inlet and outlet interfaces more concentrated, enhances the stability and symmetry of the external pipeline connection, and at the same time, the extension 191 provides an independent and regular space for the installation of the inlet and outlet pipelines, which facilitates pipeline docking and fixing, reduces the impact of the external pipeline on the base plate 17 and the flow channel structure, and helps maintain the airtight performance of the system.

[0034] Alternatively, the extension 191 is disposed at the lower part of the base plate 17, and the extension 191 extends downward from the bottom of the base plate 17.

[0035] On the other hand, in another alternative embodiment of the water-cooled plate 1, such as Figure 1 and Figure 5 As shown, the outer wall of the water cooling plate 1 away from the water inlet 14 and the water outlet 15 is also provided with a groove 192. The groove 192 is formed by recessing longitudinally into the water cooling plate 1 from the outer wall of the water cooling plate 1 away from the water inlet 14 and the water outlet 15. Specifically, the groove 192 can be provided on the top of the water cooling plate 1. The groove 192 can be used to position and install external structures. For example, when the water cooling plate 1 is used in the cooling device of a vacuum coating equipment, a sample tray for loading coating products can be provided on the upper part of the water cooling plate 1. At this time, the sample tray can be positioned and installed through the groove 192, which is beneficial to improve the installation stability and disassembly efficiency of the sample tray and other external structures.

[0036] The above examples are merely illustrative of the technical content of this utility model to facilitate reader understanding, but do not imply that the implementation of this utility model is limited to these embodiments. Any technical extensions or re-creations made based on this utility model are protected by this utility model. The scope of protection of this utility model is defined by the claims.

Claims

1. A water-cooled plate, characterized in that, The water cooling plate (1) is provided with an inlet channel (11), a serpentine channel (12) and an outlet channel (13) connected in sequence. The inlet channel (11) is connected to an inlet (14), and the outlet channel (13) is connected to an outlet (15). The inlet (14) and the outlet (15) extend longitudinally from the inlet channel (11) and the outlet channel (13) to the outside of the water cooling plate (1), respectively. The serpentine channel (12) is arranged around the outer periphery of the inlet channel (11) and the outlet channel (13).

2. A water-cooled plate as described in claim 1, characterized in that, The inlet channel (11) and outlet channel (13) are symmetrically arranged along the central axis of the water cooling plate (1).

3. A water-cooled plate as described in claim 2, characterized in that, The inlet channel (11) and outlet channel (13) are on the same straight line. The inlet channel (11) and outlet channel (13) extend in opposite directions along the radial direction of the water cooling plate (1) and are respectively connected to the two ends of the serpentine channel (12). The length of the outlet channel (13) is greater than the length of the inlet channel (11).

4. A water-cooled plate as described in claim 1, characterized in that, The inlet (14) and outlet (15) are symmetrically arranged along the central axis of the water cooling plate (1) and close to the center of the bottom of the water cooling plate (1).

5. A water-cooled plate as described in any one of claims 1 to 4, characterized in that, The water cooling plate (1) is also provided with an installation part (16), the water inlet channel (11) and the water outlet channel (13) extend into the installation part (16) respectively and are separated by the installation part (16); the installation part (16) is provided with a plurality of first assembly holes (161).

6. A water-cooled plate as described in claim 5, characterized in that, At least one of the first mounting holes (161) is configured as a through hole (161a), the through hole (161a) is longitudinally disposed in the mounting part (16), and a limiting step (1611) is provided in the through hole (161a).

7. A water-cooled plate as described in claim 5, characterized in that, At least one of the first mounting holes (161) is configured as a blind hole, which is formed longitudinally from the outer wall of the water cooling plate (1) toward the interior of the mounting portion (16).

8. A water-cooled plate as described in claim 5, characterized in that, The water cooling plate (1) includes a base plate (17) and a plate body (18) disposed on the base plate (17). The water inlet channel (11), the serpentine channel (12), the water outlet channel (13) and the mounting part (16) are disposed in the plate body (18). The water inlet (14) and the water outlet (15) are disposed in the base plate (17). At least one of the bottom of the first mounting hole (161) extends toward the base plate (17) to form a fixing part (162). The base plate (17) is also provided with a second mounting hole (171) corresponding to the first mounting hole (161). The second mounting hole (171) is longitudinally disposed in the base plate (17). The fixing part (162) is fitted and connected in the second mounting hole (171).

9. A water-cooled plate as described in any one of claims 1 to 4, characterized in that, The water cooling plate (1) has an extension (191) on its outer wall where the water inlet (14) and the water outlet (15) are located. The extension (191) extends longitudinally away from the water cooling plate (1) from the outer wall where the water inlet (14) and the water outlet (15) are located. The water inlet (14) and the water outlet (15) are respectively located longitudinally in the extension (191).

10. A water-cooled plate as described in any one of claims 1 to 4, characterized in that, The water cooling plate (1) is provided with a groove (192) on the outer wall away from the water inlet (14) and the water outlet (15). The groove (192) is formed longitudinally into the water cooling plate (1) from the outer wall away from the water inlet (14) and the water outlet (15).

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