Water cooling grate

Abstract

The utility model discloses a water-cooling row, which relates to the technical field of heat dissipation devices and comprises a first water-cooling row and a second water-cooling row which are connected with each other, the first water-cooling row and the second water-cooling row are provided with a pair of parallel edges, a groove is arranged on a first side edge of the first water-cooling row, and a second side edge of the second water-cooling row is provided with a second side edge of the second water-cooling row. The second side edge of the second water-cooling row is provided with a boss matched with the groove, the size of the cross section, close to the opening, of at least one groove is smaller than the size of the cross section, away from the opening, of at least one groove in the length direction of the water-cooling row, and the cross section of each groove is perpendicular to the vertical line in the length direction of the water-cooling row. The boss of the second water-cooling row is inserted into the groove of the first water-cooling row from the outer side staggered from the end of the first water-cooling row, and the groove and the boss are in tight fit. The water-cooling bars are connected through the bosses and the grooves, positioning is accurate, and the heat dissipation performance and the electrical conductivity are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation devices, in particular to a water cooling row. Background Art

[0002] The water cooling radiator is used to install electrical components with high heat generation, such as thyristors, fast fuses, and capacitors. The water channels in the water cooling radiator use circulating water for heat dissipation. Specifically, water cooling is to use copper or other high thermal conductivity materials to fit the CPU surface (or other heating components) flatly, and introduce heat into the water channels in the water cooling head. The water carries the heat through the water pipe to the radiator, which is a flat metal heat sink with micro water channels inside. Multiple lines carry water through a large number of Z-shaped heat sink fins in the middle. The water reduces its temperature when flowing through the heat sink (active fan blowing or natural cooling), and then returns to the water cooling head through another water pipe to complete the water circulation and cooling.

[0003] Usually, the width of a single water-cooling radiator is relatively narrow, and multiple water-cooling radiators need to be connected for use. In the prior art, the connection method of the water-cooling radiator is: connection holes are processed on both sides of the water-cooling radiator plane, and when connecting, two adjacent water-cooling radiators are stacked on the front edge, one water-cooling radiator is overlapped on the other water-cooling radiator, the connection holes of the two water-cooling radiators are aligned, and screws are connected in the connection holes to fasten the two water-cooling radiators together.

[0004] However, the existing water-cooling radiator needs to be installed and positioned when connected, which is difficult to position and inconvenient to operate; a connection hole is opened on the plane of the water-cooling radiator, which not only reduces the effective heat dissipation area of ​​the water-cooling radiator and reduces the heat dissipation; it also reduces the contact area between the two water-cooling radiators and reduces the conductivity.

[0005] In summary, how to effectively solve the problems of difficult connection of existing water cooling radiators and low heat dissipation and conductivity is an issue that technical personnel in this field urgently need to solve. Utility Model Content

[0006] The utility model aims to provide a water cooling radiator, which adopts the cooperation of bosses and grooves between the water cooling radiators, can be installed without fasteners, has accurate positioning, and improves heat dissipation and conductivity.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0008] A water-cooling radiator comprises a first water-cooling radiator and a second water-cooling radiator connected to each other, wherein the first water-cooling radiator and the second water-cooling radiator have a pair of parallel sides, a first side edge of the first water-cooling radiator is provided with a groove, and a second side edge of the second water-cooling radiator is provided with a boss matched with the groove, wherein the groove and the boss are along the length direction of the water-cooling radiator, and at least one of the cross-sectional dimensions of the groove close to an opening is smaller than the cross-sectional dimension away from the opening, and the cross-sectional dimension of the groove is perpendicular to a vertical line in the length direction of the water-cooling radiator, and the boss of the second water-cooling radiator is inserted into the groove of the first water-cooling radiator from the outside of the end of the first water-cooling radiator, and the groove and the boss are tightly fitted.

[0009] Optionally, the groove opens toward the front of the water-cooling radiator, the outer edge of the groove is a boss, and the grooves and bosses of the first water-cooling radiator and the second water-cooling radiator are plugged into each other at the front;

[0010] Alternatively, the groove opens toward a side surface of the first water-cooling radiator.

[0011] Optionally, the groove is a T-slot, a dovetail groove, a cylindrical groove or a serrated groove, and the groove and the boss are interference fit.

[0012] Optionally, the distance of the groove along the width direction of the first water-cooling row is greater than the distance of the boss along the width direction of the second water-cooling row, and a gap groove is provided between the inner side surface of the groove and the outer side surface of the boss, the gap groove passes through from top to bottom, and the cable is connected to the gap groove.

[0013] Optionally, the grooves are provided on both sides of the first water-cooling radiator, the bosses are provided on both sides of the second water-cooling radiator, and the first water-cooling radiator and the second water-cooling radiator are arranged in sequence and spaced apart.

[0014] Optionally, the groove has a plug at the lower end of the first water-cooling radiator, and the boss has a notch matched with the plug at the lower end of the second water-cooling radiator. After the boss of the second water-cooling radiator is inserted into the groove of the first water-cooling radiator, the lower end surface of the boss abuts against the upper end surface of the plug.

[0015] Optionally, the matching length of the groove and the boss is equal to the length of the groove and the boss.

[0016] Optionally, the first water-cooling radiator and the second water-cooling radiator have the same thickness, and after being connected, the front and back sides of the first water-cooling radiator and the second water-cooling radiator are flush.

[0017] Optionally, the inner side surface of the groove is provided with a plurality of arc protrusions, and the outer side surface of the boss is provided with a plurality of arc pits matched with the arc protrusions, and the arc protrusions are snapped into the arc pits.

[0018] Optionally, the inner surface of the groove is coated with a thermally conductive silicon layer, and the thermally conductive silicon layer is in contact with the boss.

[0019] The water-cooling radiator of the utility model comprises a first water-cooling radiator and a second water-cooling radiator, the plate surfaces of the first water-cooling radiator and the second water-cooling radiator are on the same plane, the plate surface direction of the first water-cooling radiator and the second water-cooling radiator is recorded as the front side, and the two sides are recorded as the side side. The first water-cooling radiator and the second water-cooling radiator have a pair of parallel edges, and the first water-cooling radiator and the second water-cooling radiator are connected to each other at the side. It should be noted that the first water-cooling radiator and the second water-cooling radiator mentioned here do not specifically refer to two specific water-cooling radiators, but generally refer to two water-cooling radiators connected to each other. Multiple water-cooling radiators can be connected in sequence, and the connection method between two adjacent radiators is the same.

[0020] A groove is provided on the first side of the first water-cooling row, and a boss is provided on the second side of the second water-cooling row. The groove and the boss are along the length direction of the water-cooling row. Optionally, the first water-cooling row and the second water-cooling row are rectangular, with the short side being the width direction and arranged in the horizontal direction; the long side being the length direction and arranged in the vertical direction. The water-cooling rows are connected in the vertical length direction, and the width in the horizontal direction is increased.

[0021] The cross section of the groove is perpendicular to the vertical line of the length direction of the water cooling radiator. At least one cross section of the groove near the opening is smaller than the cross section away from the opening. For example, the root size of the groove cross section is smaller than the size of at least one position other than the root. The boss is matched with the groove, and at least one cross section of the boss near the side is larger than the cross section away from the side. At the same lateral position, the large lateral size of the boss cannot enter the small lateral size of the groove laterally, and there is a lateral limit, that is, the boss cannot be inserted laterally from the opening of the groove, nor can it be removed laterally from the opening of the groove.

[0022] When connected, the second water-cooling row is placed above the first water-cooling row, staggered from the end of the first water-cooling row, the boss of the second water-cooling row is aligned with the groove of the first water-cooling row in the upper and lower positions, and the boss of the second water-cooling row is inserted into the groove of the first water-cooling row along the length direction. The boss of the second water-cooling row can only be inserted and connected with the groove of the first water-cooling row in the vertical direction, and cannot be inserted and removed horizontally. At the same time, the groove and the boss are tightly matched to ensure that the second water-cooling row and the first water-cooling row have good conductive contact and no virtual connection.

[0023] The water-cooling radiator provided by the utility model can be installed without fasteners by the cooperation of the boss and the groove, has the function of installation positioning, can realize precise positioning, reduce the difficulty of installation positioning, facilitate operation, and make assembly faster; there is no need to open connection holes on the plane of the water-cooling radiator, the effective heat dissipation area of ​​the water-cooling radiator will not be reduced, and the heat dissipation is relatively high; the groove and the boss are connected in surface contact, the contact area is large, the connection is tight, and the conductivity is good; the boss and the groove are positioned in an embedded manner, which saves product space while meeting the electrical distance condition, and makes the product appearance more neat and beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] 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.

[0025] Figure 1 A schematic diagram of the structure of a water cooling radiator with a T-shaped boss provided in a specific embodiment of the utility model;

[0026] Figure 2 A schematic diagram of the structure of a water cooling radiator with T-shaped grooves provided in a specific embodiment of the utility model;

[0027] Figure 3 A state diagram of a water-cooling radiator with a T-shaped boss and a water-cooling radiator with a T-shaped groove when they are not connected;

[0028] Figure 4 A state diagram of a water-cooling radiator with a T-shaped boss and a water-cooling radiator with a T-shaped groove being connected.

[0029] The following are marked in the accompanying drawings:

[0030] The first water-cooling row 1, the boss 2, the second water-cooling row 3, and the groove 4. DETAILED DESCRIPTION

[0031] The core of the utility model is to provide a water cooling radiator, which adopts the cooperation of bosses and grooves, can be installed without fasteners, has accurate positioning, and improves heat dissipation and conductivity.

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Please refer to Figures 1 to 4 , Figure 1 A schematic diagram of the structure of a water cooling radiator with a T-shaped boss provided in a specific embodiment of the utility model; Figure 2 A schematic diagram of the structure of a water cooling radiator with T-shaped grooves provided in a specific embodiment of the utility model; Figure 3 A state diagram of a water-cooling radiator with a T-shaped boss and a water-cooling radiator with a T-shaped groove when they are not connected; Figure 4A state diagram of a water-cooling radiator with a T-shaped boss and a water-cooling radiator with a T-shaped groove being connected.

[0034] In a specific embodiment, the water-cooling radiator provided by the utility model includes a first water-cooling radiator 1 and a second water-cooling radiator 3 connected to each other, the first water-cooling radiator 1 and the second water-cooling radiator 3 have a pair of parallel sides, the first side of the first water-cooling radiator 1 is provided with a groove 4, the second side of the second water-cooling radiator 3 is provided with a boss 2 adapted to the groove 4, the groove 4 and the boss 2 are along the length direction of the water-cooling radiator, at least one of the grooves 4 has a cross-sectional dimension close to the opening that is smaller than the cross-sectional dimension away from the opening, the cross-section of the groove 4 is perpendicular to the vertical line of the length direction of the water-cooling radiator, the boss 2 of the second water-cooling radiator 3 is inserted into the groove 4 of the first water-cooling radiator 1 from the outside of the end of the staggered first water-cooling radiator 1, and the groove 4 and the boss 2 are tightly fitted.

[0035] In the above structure, the water-cooling radiator includes a first water-cooling radiator 1 and a second water-cooling radiator 3, and the plate surfaces of the first water-cooling radiator 1 and the second water-cooling radiator 3 are on the same plane, and the plate surface direction of the first water-cooling radiator 1 and the second water-cooling radiator 3 is recorded as the front, and the two sides are recorded as the side. The first water-cooling radiator 1 and the second water-cooling radiator 3 have a pair of parallel edges, and the first water-cooling radiator 1 and the second water-cooling radiator 3 are connected to each other at the side. It should be noted that the first water-cooling radiator 1 and the second water-cooling radiator 3 mentioned here do not specifically refer to two specific water-cooling radiators, but generally refer to two water-cooling radiators connected to each other. Multiple water-cooling radiators can be connected in sequence, and the connection method between two adjacent radiators is the same.

[0036] A groove 4 is provided on the first side of the first water-cooling row 1, and a boss 2 is provided on the second side of the second water-cooling row 3. The groove 4 and the boss 2 are along the length direction of the water-cooling row. Optionally, the first water-cooling row 1 and the second water-cooling row 3 are rectangular, with the short side being the width direction and arranged in the horizontal direction; the long side being the length direction and arranged in the vertical direction. The water-cooling rows are connected in the vertical length direction, and the width in the horizontal direction increases.

[0037] The cross section of the groove 4 is perpendicular to the vertical line of the length direction of the water cooling radiator. At least one cross section of the groove 4 near the opening is smaller than the cross section away from the opening. For example, the root size of the cross section of the groove 4 is smaller than the size of at least one position other than the root. The boss 2 is adapted to the groove 4. At least one cross section of the boss 2 near the side is larger than the cross section away from the side. At the same lateral position, the large lateral size of the boss 2 cannot enter the small lateral size of the groove 4 laterally, and has a lateral limit, that is, the boss 2 cannot be inserted laterally from the opening of the groove 4, nor can it be removed laterally from the opening of the groove 4.

[0038] When connected, the second water-cooling row 3 is placed above the first water-cooling row 1, staggered from the end of the first water-cooling row 1, the boss 2 of the second water-cooling row 3 is aligned with the groove 4 of the first water-cooling row 1 in the vertical position, and the boss 2 of the second water-cooling row 3 is inserted into the groove 4 of the first water-cooling row 1 along the length direction. The boss 2 of the second water-cooling row 3 and the groove 4 of the first water-cooling row 1 can only be inserted and connected in the vertical direction, and cannot be inserted and removed horizontally.

[0039] At the same time, the groove 4 and the boss 2 are tightly matched to ensure that the second water-cooling row 3 and the first water-cooling row 1 have good conductive contact without any loose connection.

[0040] The water-cooling radiator provided by the utility model can be installed without fasteners by the cooperation of the boss 2 and the groove 4, has the function of installation positioning, can realize precise positioning, reduce the difficulty of installation positioning, facilitate operation, and make assembly faster; there is no need to open connection holes on the plane of the water-cooling radiator, the effective heat dissipation area of ​​the water-cooling radiator will not be reduced, and the heat dissipation is relatively high; the groove 4 and the boss 2 are connected in surface contact, the contact area is large, the connection is tight, and the conductivity is good; the boss 2 and the groove 4 are positioned in an embedded manner, which saves more product space while meeting the electrical distance condition, and makes the product appearance more neat and beautiful.

[0041] The opening direction of the above-mentioned groove 4 includes at least two schemes. In the first case, the groove 4 opens toward the front of the water-cooling radiator, the outer edge of the groove 4 is the boss 2, and the groove 4 and the boss 2 of the first water-cooling radiator 1 and the second water-cooling radiator 3 are plugged into each other at the front.

[0042] In a specific embodiment, the groove 4 and the boss 2 are provided on the front of the water-cooling radiator, and the water-cooling radiator is plugged in at the front. At this time, since the front size of the water-cooling radiator is larger than the side size, the size of the groove 4 and the boss 2 on the front of the water-cooling radiator can be processed larger, increasing the contact area, improving the connection stability, and the water-cooling radiator is not easy to bend and deform at the connection.

[0043] In the second case, the groove 4 opens toward the side of the first water-cooling radiator 1, and is butt-connected at the side of the adjacent water-cooling radiators. The overlapping connection position is at the side, which does not affect the front width of the water-cooling radiator and has a larger cooling area.

[0044] In the above embodiment, when overlapping large-capacity water-cooling radiators, the overlapping can be performed at any position within the overlapping water-cooling radiator groove range, ensuring electrical connection and component installation clearance, eliminating fixed hole processing and fastener installation, and making installation positioning faster within the effective installation space.

[0045] On the basis of the above-mentioned specific embodiments, the groove 4 is a T-slot, a dovetail groove, a cylindrical groove or a sawtooth groove, and the groove 4 and the boss 2 are interference fit.

[0046] In a specific embodiment, the groove 4 has various styles. It can be a T-slot or a dovetail groove, which has good guiding properties and precise limiting, and can effectively prevent the boss 2 from escaping from the groove 4. It can also be a cylindrical groove or a serrated groove, which has more lateral limiting points and multiple limiting points, is more reliable, has a simple structure, and is easy to process.

[0047] At the same time, the groove 4 and the boss 2 are tight fit, the groove 4 and the boss 2 can be interference fit, the connection is tight, the groove 4 and the boss 2 have good contact, or it can be a transition fit. Under the premise of ensuring conductivity, the groove 4 and the boss 2 are easier to plug in.

[0048] Based on the above-mentioned specific embodiments, the distance of the groove 4 along the width direction of the first water-cooling row 1 is greater than the distance of the boss 2 along the width direction of the second water-cooling row 3, and there is a gap groove between the inner side surface of the groove 4 and the outer side surface of the boss 2, the gap groove passes through from top to bottom, and the cable is connected to the gap groove.

[0049] In a specific embodiment, along the width direction of the water-cooling radiator, the length of the groove 4 is greater than the length of the boss 2, and there is a gap groove between the inner side surface of the groove 4 and the outer side surface of the boss 2. The groove 4 and the boss 2 are in close contact on other surfaces. The groove 4 and the boss 2 have lateral limitations, the boss 2 cannot move to one side of the gap groove, and the conductivity is good.

[0050] The gap groove runs through from top to bottom, and the cables or wires are connected to the gap groove. The cables and wires will not be exposed on the surface of the radiator, and there is no need to drill additional holes on the radiator for threading. The lines are arranged neatly and orderly, reducing faults such as open circuits and short circuits.

[0051] Based on the above specific embodiments, grooves 4 are provided on both sides of the first water-cooling radiator 1, bosses 2 are provided on both sides of the second water-cooling radiator 3, and the first water-cooling radiator 1 and the second water-cooling radiator 3 are arranged in sequence.

[0052] In a specific embodiment, the two sides of the water-cooling radiator are provided with the same structure, and grooves 4 or bosses 2 may be provided on both sides. For example, grooves 4 are provided on both sides of the first water-cooling radiator 1, and bosses 2 are provided on both sides of the second water-cooling radiator 3. Each water-cooling radiator can be processed on both sides by clamping once, and the processing steps are the same, which is convenient for processing.

[0053] In a preferred embodiment, the structures of the two sides of a water-cooling radiator are different, a groove 4 is processed on one side, and a boss 2 is processed on the other side. The structures of the water-cooling radiators are the same and are treated indiscriminately during connection. You can randomly pick up any water-cooling radiator, and the connection is more free.

[0054] Based on the above-mentioned specific embodiments, the groove 4 has a plug at the lower end of the first water-cooling row 1, and the boss 2 has a notch matched with the plug at the lower end of the second water-cooling row 3. After the boss 2 of the second water-cooling row 3 is inserted into the groove 4 of the first water-cooling row 1, the lower end surface of the boss 2 abuts against the upper end surface of the plug.

[0055] In a specific embodiment, the groove 4 has a plug at the lower end of the first water-cooling row 1, and the boss 2 has a notch at the lower end of the second water-cooling row 3, and the notch is adapted to the plug, that is, the size and position of the notch are consistent with the size and position of the plug, and the plug is accommodated in the notch position.

[0056] The boss 2 of the second water-cooling row 3 is inserted vertically downward into the groove 4 of the first water-cooling row 1 from the outer side of the upper end of the first water-cooling row 1, and the lower end surface of the boss 2 abuts against the upper end surface of the plug. The plug vertically limits the connection position between the groove 4 and the boss 2 to prevent the boss 2 and the groove 4 from being insufficiently connected or exceeding the connection position.

[0057] On the basis of the above-mentioned specific embodiments, the matching length between the groove 4 and the boss 2 is equal to the length of the groove 4 and the boss 2 .

[0058] In a specific embodiment, the lengths of adjacent water-cooling radiators are equal, and the upper and lower ends of the water-cooling radiators are flush, neat and beautiful. The lengths of the corresponding grooves 4 and bosses 2 are equal, and the matching lengths are equal to the lengths of the grooves 4 and bosses 2, the connection distance is long, the contact surface is large, and the conductivity and heat dissipation are good.

[0059] On the basis of the above-mentioned specific embodiments, on the basis of any one of the above-mentioned embodiments, the first water-cooling radiator 1 and the second water-cooling radiator 3 have the same thickness, and after being connected, the front and back sides of the first water-cooling radiator 1 and the second water-cooling radiator 3 are flush.

[0060] In a specific embodiment, the water-cooling row is made of copper or aluminum, the thickness of the water-cooling row can reach 25 mm or more, and the width can reach 120 mm or more. The extrusion molding process is used to add bosses 2 and grooves 4 along the wide side of the water-cooling row. The first water-cooling row 1 and the second water-cooling row 3 have the same thickness. After connection, the front and back of the first water-cooling row 1 and the second water-cooling row 3 are flush, and the contact area is large, which saves more product space while meeting the electrical distance condition, making the product appearance more neat and beautiful.

[0061] In another more reliable embodiment, based on any of the above embodiments, the inner side surface of the groove 4 is provided with a plurality of arc protrusions, and the outer side surface of the boss 2 is provided with a plurality of arc pits matched with the arc protrusions, and the arc protrusions are inserted into the arc pits.

[0062] In a specific embodiment, the inner side surface of the groove 4 is provided with a plurality of arc protrusions, and the outer side surface of the boss 2 is provided with a plurality of arc pits, the arc pits are matched with the arc protrusions, and the arc protrusions are inserted into the arc pits, thereby increasing the contact surface between the groove 4 and the boss 2. At the same time, the groove 4 and the boss 2 are more tightly connected and not easy to fall out, thereby further improving the conductivity and heat dissipation of the water cooling radiator.

[0063] Based on the above specific embodiments, the inner surface of the groove 4 is coated with a thermally conductive silicon layer, and the thermally conductive silicon layer is in contact with the boss 2. The utility model also provides a boss 2 for connecting the groove 4 through thermally conductive silicon, which is not only tightly connected, but also more conductive.

[0064] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0065] The water cooling radiator provided by the utility model is introduced in detail above. Specific examples are used in this article to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, several improvements and modifications can be made to the utility model, and these improvements and modifications also fall within the scope of protection of the claims of the utility model. Therefore, the utility model will not be limited to the embodiments shown in this article, but will conform to the widest scope consistent with the principles and novel features disclosed in this article.

Claims

1. A water cooling radiator, characterized in that: The invention comprises a first water-cooling row (1) and a second water-cooling row (3) which are connected to each other. The first water-cooling row (1) and the second water-cooling row (3) have a pair of parallel sides. The first side of the first water-cooling row (1) is provided with a groove (4). The second side of the second water-cooling row (3) is provided with a boss (2) which matches the groove (4). The groove (4) and the boss (2) are arranged along the length direction of the water-cooling row. At least one of the cross-sectional dimensions of the groove (4) close to the opening is smaller than the cross-sectional dimension away from the opening. The cross-sectional dimension of the groove (4) is perpendicular to the vertical line of the length direction of the water-cooling row. The boss (2) of the second water-cooling row (3) is inserted into the groove (4) of the first water-cooling row (1) from the outside of the end of the first water-cooling row (1), and the groove (4) and the boss (2) are tightly fitted.

2. The water cooling radiator according to claim 1, characterized in that: The opening of the groove (4) faces the front side of the water-cooling radiator, the outer edge of the groove (4) is a boss (2), and the groove (4) and boss (2) of the first water-cooling radiator (1) and the second water-cooling radiator (3) are plugged into each other at the front side; Alternatively, the groove (4) opens toward the side of the first water-cooling radiator (1).

3. The water cooling radiator according to claim 2, characterized in that: The groove (4) is a T-shaped groove, a dovetail groove, a cylindrical groove or a sawtooth groove, and the groove (4) and the boss (2) are interference fit.

4. The water cooling radiator according to claim 2, characterized in that: The distance of the groove (4) along the width direction of the first water-cooling row (1) is greater than the distance of the boss (2) along the width direction of the second water-cooling row (3), and a gap groove is provided between the inner side surface of the groove (4) and the outer side surface of the boss (2), the gap groove is connected from top to bottom, and the cable is connected to the gap groove.

5. The water cooling radiator according to claim 2, characterized in that: The grooves (4) are provided on both sides of the first water-cooling radiator (1), and the bosses (2) are provided on both sides of the second water-cooling radiator (3). The first water-cooling radiator (1) and the second water-cooling radiator (3) are arranged in sequence with an interval.

6. The water cooling radiator according to any one of claims 1 to 5, characterized in that: The groove (4) has a plug at the lower end of the first water-cooling row (1), and the boss (2) has a notch matched with the plug at the lower end of the second water-cooling row (3); after the boss (2) of the second water-cooling row (3) is inserted into the groove (4) of the first water-cooling row (1), the lower end surface of the boss (2) abuts against the upper end surface of the plug.

7. The water cooling radiator according to claim 6, characterized in that: The matching length of the groove (4) and the boss (2) is equal to the length of the groove (4) and the boss (2).

8. The water cooling radiator according to claim 7, characterized in that: The first water-cooling radiator (1) and the second water-cooling radiator (3) have the same thickness, and after being connected, the front and back surfaces of the first water-cooling radiator (1) and the second water-cooling radiator (3) are flush.

9. The water cooling radiator according to any one of claims 1 to 5, characterized in that: The inner side surface of the groove (4) is provided with a plurality of arc protrusions, and the outer side surface of the boss (2) is provided with a plurality of arc pits matching the arc protrusions, and the arc protrusions are inserted into the arc pits.

10. The water cooling radiator according to claim 9, characterized in that: The inner surface of the groove (4) is coated with a heat-conducting silicon layer, and the heat-conducting silicon layer is in contact with the boss (2).

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