Three-flow-channel heat dissipation shell for water-cooling heat dissipation cold plate

Abstract

The utility model provides a three-flow-channel heat dissipation shell for a water-cooling heat dissipation cold plate, relates to the technical field of heat dissipation, and solves the technical problems of unreasonable flow channel structure arrangement, slow flow speed and poor pressure bearing capacity. The three-flow-channel heat dissipation shell for the water-cooling heat dissipation cold plate comprises a bottom shell with a containing cavity and a sealing cover which covers an opening of the bottom shell in a sealing mode. The heat dissipation fins are arranged in the middle of the containing cavity, intervals are reserved between the heat dissipation fins and the four edges of the containing cavity respectively, a first supporting frame and a second supporting frame are arranged at the intervals of the two opposite sides respectively, the first supporting frame is of a solid structure, the second supporting frame is of a hollow structure, and therefore three flow channels are formed among the three edges of the heat dissipation fins, the second supporting frame and the inner wall of the containing cavity. The flow channels are formed on the three sides of the heat dissipation fins, so that heat exchange media can flow into the flow channels on the two sides after passing through the heat dissipation fins and finally enter the flow channels with the water outlets, the speed is high, and the heat exchange effect is good; and by arranging the supporting frame, the pressure bearing capacity of the heat dissipation shell is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation, in particular to a three-channel heat dissipation shell for a water-cooled heat dissipation cold plate. Background Art

[0002] As we all know, the heat dissipation of high-heat generating components such as CPU / GPU / chips is mainly achieved through conduction, which involves the medium in direct contact with the processor - the heat sink. After the heat sink absorbs the heat, it dissipates the heat in the form of convection. In the process of convection heat dissipation, the heat dissipation area is mainly determined by the surface area of ​​the heat sink fins. The larger the surface area, the better the heat dissipation effect; the smaller the surface area, the worse the heat dissipation effect. In order to improve the heat dissipation effect, the industry adopts water cooling, which uses the heat exchange medium to flow in the fins to take away the heat, thereby achieving rapid cooling.

[0003] The existing water-cooled heat dissipation cold plate includes a shell, fins and a cover; a water inlet and a water outlet are arranged on the cover, and fins are arranged in the shell, and the heat exchange medium enters through the water inlet, then flows through the fins and finally flows out through the water outlet, thereby realizing heat exchange and heat dissipation in a cycle.

[0004] The applicant has found that the prior art has at least the following technical problems: the flow channel structure arranged in the existing heat dissipation cold plate is unreasonable, not only the flow rate is slow, but also the pressure bearing capacity of the heat dissipation cold plate is insufficient. Utility Model Content

[0005] The utility model aims to provide a three-channel heat dissipation housing for a water-cooled heat dissipation cold plate, so as to solve the technical problems of unreasonable channel structure arrangement, slow flow rate and poor pressure bearing capacity existing in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The utility model provides a three-channel heat dissipation shell for a water-cooled heat dissipation cold plate, comprising a bottom shell with a accommodating cavity and a cover at the open end of the bottom shell; the heat dissipation fins are placed in the middle of the accommodating cavity, and are spaced apart from the four sides of the accommodating cavity, wherein a first support frame and a second support frame are respectively provided at the two opposite sides of the space, the first support frame is a solid structure, and the second support frame is a hollow structure, thereby forming three channels between the three sides of the heat dissipation fins, the second support frame and the inner wall of the accommodating cavity.

[0008] As a further improvement of the utility model, the four flow channels are connected end to end; a water inlet and a water outlet are provided on the cover; the water outlet is provided corresponding to one of the flow channels; and the water inlet is provided directly opposite to the heat sink fins.

[0009] As a further improvement of the present utility model, the three flow channels include a first flow channel, a second flow channel and a third flow channel; wherein the first flow channel and the third flow channel are arranged opposite to each other; and the second flow channel is connected to the first flow channel and the third flow channel on both sides respectively.

[0010] As a further improvement of the utility model, a water inlet and a water outlet are arranged on the cover; the water outlet is arranged corresponding to the second flow channel; and the water inlet is arranged directly opposite to the heat dissipation fins.

[0011] As a further improvement of the present invention, the water outlet is located in the middle of the second flow channel, and the centers of the water outlet and the water inlet are on the same straight line.

[0012] As a further improvement of the present invention, the second support frame includes a top plate and a vertical plate, the top plate is horizontally arranged and connected to the cover; the vertical plate is vertically arranged, one end is connected to the top plate, and the other end is connected to the bottom wall of the accommodating cavity; flow openings are opened on both sides of the vertical plate corresponding to the positions of the first flow channel and the third flow channel respectively.

[0013] As a further improvement of the present invention, the width and height of the flow opening are similar to the width and height of the corresponding first flow channel or the third flow channel.

[0014] As a further improvement of the present invention, the top plate is connected to the cover via a fixing pin; and / or the first support frame is connected to the cover via a fixing pin.

[0015] As a further improvement of the utility model, a through hole is provided on the cover; the fixing pin is respectively welded in the first support frame and the through hole, and in the second support frame and the through hole.

[0016] As a further improvement of the present invention, the length of the fixing pin is equal to the thickness of the sealing cover; or, the length of the fixing pin is greater than the thickness of the sealing cover.

[0017] The utility model provides a three-channel heat dissipation shell for a water-cooled heat dissipation cold plate. The heat dissipation fins are arranged in the middle of the heat dissipation shell, and flow channels are formed between the heat dissipation fins and the three sides of the heat dissipation shell, so that the heat exchange medium flows into the flow channels on both sides after passing through the heat dissipation fins, and the flow channels on both sides are connected with the last flow channel, so that the heat exchange medium can quickly flow back, with a fast speed and a good heat exchange effect; and a support frame is provided to improve the pressure bearing capacity of the heat dissipation shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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.

[0019] Figure 1 It is a three-dimensional perspective view of a three-channel heat dissipation housing for a water-cooled heat dissipation cold plate of the utility model;

[0020] Figure 2 It is a top perspective view of a three-channel heat dissipation housing for a water-cooled heat dissipation cold plate of the utility model;

[0021] Figure 3 yes Figure 2 Middle AA section view;

[0022] Figure 4 The utility model is a schematic diagram of the exploded structure of a three-channel heat dissipation shell for a water-cooled heat dissipation cold plate.

[0023] In the figure, 1, bottom shell; 2, cover; 3, heat sink fins; 4, flow channel; 5, water inlet; 6, water outlet; 7, first support bracket; 8, flow outlet; 9, fixing pin; 10. second support bracket; 11, through hole. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0025] like Figure 1-Figure 4 As shown, the utility model provides a three-channel 4 heat dissipation shell for a water-cooled heat dissipation cold plate, including a bottom shell 1 with a accommodating cavity and a cover 2 covering the open part of the bottom shell 1; the heat dissipation fins 3 are placed in the middle of the accommodating cavity, and are spaced apart from the four sides of the accommodating cavity, wherein the first support frame 7 and the second support frame 10 are respectively provided at the two opposite sides of the space, the first support frame 7 is a solid structure, and the second support frame 10 is a hollow structure, so that three channels 4 are formed between the three sides of the heat dissipation fins 3, the second support frame 10 and the inner wall of the accommodating cavity.

[0026] The first support frame 7 and the second support frame 10 are provided to improve the pressure bearing capacity of the heat dissipation housing. By providing the support frames to improve the pressure bearing capacity of the heat dissipation housing, the pressure bearing capacity of the heat dissipation fins can also be improved.

[0027] As a further improvement of the present utility model, the three flow channels 4 include a first flow channel, a second flow channel and a third flow channel, wherein the first flow channel and the third flow channel are arranged opposite to each other, and the second flow channel is connected to the first flow channel and the third flow channel on both sides. The heat exchange medium in the first flow channel and the second flow channel can eventually flow into the second flow channel at the position of the water outlet 6; the cover 2 is provided with a water inlet 5 and a water outlet 6; the water outlet 6 is arranged corresponding to the second flow channel; the water inlet 5 is arranged directly opposite to the heat sink fin 3. Of course, the number of water inlets and outlets can also be set to multiple, but the water inlet must correspond to the heat sink fin 3, and the water outlet corresponds to any one, any two or any three of the three flow channels.

[0028] As a further improvement of the present utility model, in this embodiment, the water outlet 6 is located in the middle of the second flow channel, and the centers of the water outlet 6 and the water inlet 5 are on the same straight line.

[0029] As a further improvement of the present invention, the second support frame 7 includes a top plate and a vertical plate, wherein the top plate is horizontally arranged and connected to the cover 2; the vertical plate is vertically arranged, one end of which is connected to the top plate, and the other end of which is connected to the bottom wall of the accommodating cavity; and the vertical plate has flow openings 8 respectively arranged on both sides corresponding to the positions of the first flow channel and the third flow channel. The flow openings 8 are arranged to realize the communication between adjacent flow channels, so as to facilitate the circulation of the heat exchange medium.

[0030] As a further improvement of the present invention, the width and height of the flow opening 8 are similar to the width and height of the corresponding first flow channel or the third flow channel. It should be noted here that similar means that the flow opening 8 is opened to the maximum under the premise of ensuring sufficient strength.

[0031] As a further improvement of the present invention, the top plate in the second support frame is connected to the cover 2 via a fixing pin 9. The top of the first support frame is connected to the cover 2 via a fixing pin 9.

[0032] As a further improvement of the utility model, a through hole 11 is provided on the cover 2; one end of the fixing pin 9 is welded to the top plate of the first support frame, and the other end is welded to the through hole 11 on the cover 2; one end of the fixing pin 9 is welded to the top of the second support frame, and the other end is welded in the through hole 11 of the cover 2.

[0033] As a further improvement of the present invention, the length of the fixing pin 9 is equal to the thickness of the sealing cover 2 ; or, the length of the fixing pin 9 is greater than the thickness of the sealing cover 2 .

[0034] The utility model provides a heat dissipation shell with three flow channels 4 for a water-cooled heat dissipation cold plate. The heat dissipation fins 3 are arranged in the middle of the heat dissipation shell, and the heat dissipation fins 3 and the three sides of the heat dissipation shell form flow channels 4, so that the heat exchange medium flows into the flow channels 4 on both sides after passing through the heat dissipation fins 3, and the flow channels 4 on both sides are connected with the flow channels on the third side, so that the heat exchange medium can quickly flow back, with a fast speed and a good heat exchange effect; by arranging a support frame 7, the pressure bearing capacity of the heat dissipation shell is improved.

[0035] First of all, it should be explained here that “inward” refers to the direction toward the center of the accommodating space, and “outward” refers to the direction away from the center of the accommodating space.

[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate directions or positional relationships based on the attached Figure 1 The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0038] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0041] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A three-channel heat dissipation housing for a water-cooled heat dissipation cold plate, characterized in that: It includes a bottom shell with a accommodating cavity and a cover on the open part of the bottom shell; the heat dissipation fins are placed in the middle of the accommodating cavity and are spaced apart from the four sides of the accommodating cavity, wherein the first support frame and the second support frame are respectively provided at the two opposite sides of the space, the first support frame is a solid structure, and the second support frame is a hollow structure, thereby forming three flow channels between the three sides of the heat dissipation fins, the second support frame and the inner wall of the accommodating cavity.

2. The three-channel heat dissipation housing for a water-cooled heat dissipation cold plate according to claim 1, characterized in that: The three flow channels include a first flow channel, a second flow channel and a third flow channel; wherein the first flow channel and the third flow channel are arranged opposite to each other; and the second flow channel is connected to the first flow channel and the third flow channel at two sides respectively.

3. The three-channel heat dissipation housing for a water-cooled heat dissipation cold plate according to claim 2, characterized in that: The cover is provided with a water inlet and a water outlet; the water outlet is provided corresponding to the second flow channel; and the water inlet is provided facing the heat dissipation fins.

4. The three-channel heat dissipation housing for a water-cooled heat dissipation cold plate according to claim 3, characterized in that: The water outlet is located in the middle of the second flow channel, and the centers of the water outlet and the water inlet are on the same straight line.

5. The three-channel heat dissipation housing for a water-cooled heat dissipation cold plate according to claim 4, characterized in that: The second support frame includes a top plate and a vertical plate. The top plate is horizontally arranged and connected to the cover; the vertical plate is vertically arranged, one end of which is connected to the top plate, and the other end is connected to the bottom wall of the accommodating cavity; and flow openings are respectively opened on both sides of the vertical plate corresponding to the positions of the first flow channel and the third flow channel.

6. The three-channel heat dissipation housing for a water-cooled heat dissipation cold plate according to claim 5, characterized in that: The width and height of the flow opening are similar to the width and height of the corresponding first flow channel or the third flow channel.

7. The three-channel heat dissipation housing for a water-cooled heat dissipation cold plate according to claim 5, characterized in that: The top plate is connected to the cover via a fixing pin; and / or the first support frame is connected to the cover via a fixing pin.

8. The three-channel heat dissipation housing for a water-cooled heat dissipation cold plate according to claim 7, characterized in that: The cover is provided with a through hole; the fixing pins are respectively welded to the first support frame and the through hole, and to the second support frame and the through hole.

9. The three-channel heat dissipation housing for a water-cooled heat dissipation cold plate according to claim 7, characterized in that: The length of the fixing pin is equal to the thickness of the cover; or, the length of the fixing pin is greater than the thickness of the cover.

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