Liquid cooling heat dissipation device and liquid cooling heat dissipation system comprising same

Abstract

The utility model relates to the technical field of heat dissipation devices, and discloses a liquid cooling heat dissipation device and a liquid cooling heat dissipation system comprising the liquid cooling heat dissipation device. The utility model discloses a liquid cooling heat dissipation device, and the device comprises a housing. A liquid inlet and a liquid outlet are formed in the shell, and a cavity communicated with the liquid inlet and the liquid outlet is formed in the inner side of the shell; at least one flow guide plate is arranged in the cavity and corresponds to the inner wall of the cavity in position, so that a roundabout flow channel is formed in the cavity, and the two ends of the flow channel are communicated with the liquid inlet and the liquid outlet respectively; the liquid cooling heat dissipation device further comprises a flow guide adjusting structure, the flow guide adjusting structure is connected with the flow guide plates and the shell, and the flow guide adjusting structure is used for adjusting the distance a between the flow guide plates and the corresponding inner wall of the cavity and / or the distance b between the adjacent flow guide plates so as to adjust the width of at least part of the flow channels. The heating device has the beneficial effects that the heat dissipation efficiency is improved, and the service life of the heating device is prolonged.

Description

Technical Field

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

[0002] The liquid cooling system uses the circulation of coolant to dissipate heat. The liquid cooling system includes a liquid cooling radiator. When working, the liquid cooling radiator is close to the heat generating device, and then the coolant flows through the liquid cooling radiator to take away the heat and achieve heat dissipation.

[0003] Previous liquid cooling systems generally only let the coolant flow from one end of the liquid cooling radiator to the other end along a straight path, and the heat dissipation effect was not high enough. Later, a liquid cooling radiator appeared, such as the liquid cooling radiator mentioned in the Chinese utility model patent application number 202321921963.6, in which three guide plates are arranged in the liquid cooling radiator, so that a circuitous flow path is formed in the liquid cooling radiator, which can enhance the heat dissipation effect.

[0004] The guide plate in the above-mentioned liquid cooling radiator is fixed on the liquid cooling radiator, and the width of each part of the flow channel is fixed, so the maximum flow rate of the coolant in each part of the flow channel is fixed. However, the heating device generally has a key heating position, and the key heating position of each heating device may be different. If the flow rate of each part of the flow channel cannot be adjusted according to the key heating position of the heating device, it will be unfavorable to improve the heat dissipation effect. Utility Model Content

[0005] The main purpose of the utility model is to provide a liquid cooling heat dissipation device, aiming to solve the technical problem that the liquid cooling heat dissipation device in the prior art cannot specifically dissipate heat to the heating device.

[0006] To achieve the above-mentioned purpose, the utility model proposes a liquid cooling device, comprising a shell; a liquid inlet and a liquid outlet are provided on the shell, and a cavity connected to the liquid inlet and the liquid outlet is provided on the inner side of the shell; at least one guide plate is provided in the cavity, and the guide plate corresponds to the position of the inner wall of the cavity, so that a circuitous flow channel is formed in the cavity, and the two ends of the flow channel are respectively connected to the liquid inlet and the liquid outlet; the liquid cooling device also includes a guide adjustment structure, the guide adjustment structure connects the guide plate and the shell, and the guide adjustment structure is used to adjust the distance a between the guide plate and the corresponding inner wall of the cavity, and / or the distance b between adjacent guide plates, so as to adjust the width of at least part of the flow channel.

[0007] The beneficial effects of the utility model are as follows: before installing the liquid-cooled heat dissipation device on the heating device, first determine the key heating position of the heating device, and then adjust the position of the guide plate through the guide adjustment structure so that a certain part of the flow channel has a faster flow rate. During installation, the flow channel part with a faster flow rate is made to correspond to the key heating position of the heating device, so as to carry out targeted heat dissipation at the key heating position of the heating device, which is beneficial to improving the heat dissipation efficiency and also beneficial to increasing the service life of the heating device.

[0008] Preferably, one end of the guide plate abuts against the side wall of the cavity, and the other end extends toward the other opposite side wall with a gap between the guide plate and the side wall.

[0009] Preferably, three guide plates are provided in the cavity, which are a first guide plate, a second guide plate and a third guide plate arranged in sequence; the inner wall of the cavity includes a first side wall and a second side wall arranged opposite to each other, one end of the first guide plate and the third guide plate are both abutted against the first side wall, and the other end extends toward the second side wall with a gap between them, and one end of the second guide plate is abutted against the second side wall, and the other end extends toward the first side wall with a gap between them.

[0010] Preferably, the liquid inlet and the liquid outlet are both arranged on a side of the shell close to the first side wall, the liquid inlet is located on a side of the first guide plate away from the second guide plate, and the liquid outlet is located on a side of the third guide plate away from the second guide plate.

[0011] Preferably, the guide adjustment structure includes a plurality of positioning holes arranged at the bottom of the cavity, the arrangement direction of the plurality of positioning holes is perpendicular to the extension direction of the guide plate, and the guide plate is provided with positioning blocks matching the positioning holes.

[0012] Preferably, the guide adjustment structure includes a slide groove arranged at the bottom of the cavity, the slide groove is perpendicular to the extension direction of the guide plate, the guide plate is provided with a slider matching the slide groove, and the positioning block and the slider are arranged along the extension direction of the guide plate.

[0013] Preferably, the shell includes a base and an upper cover, the cavity is arranged in the base, the upper cover is used to close the upper opening of the cavity, a first mounting hole is provided on the base, a second mounting hole is provided on the upper cover, and connecting parts are provided in the first mounting hole and the corresponding second mounting hole to install the upper cover on the base.

[0014] Preferably, a pressure plate is further provided on one side of the upper cover close to the base, and the pressure plate is used to press the guide plate to the bottom of the cavity.

[0015] The utility model also provides a liquid cooling and heat dissipation system, comprising the liquid cooling and heat dissipation device.

[0016] Preferably, the liquid cooling system further comprises a liquid inlet pipe and a liquid outlet pipe, wherein the liquid inlet pipe and the liquid outlet pipe are connected to the liquid inlet and the liquid outlet respectively, and the liquid inlet pipe is also connected to a water pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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 the structures shown in these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the structure of the liquid cooling device in the embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the base in the embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the guide plate in the embodiment of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the flow channel in the cavity in the embodiment of the utility model;

[0022] Figure 5 A schematic diagram of the width between a guide plate and a corresponding side wall or between adjacent guide plates in an embodiment of the utility model;

[0023] Figure 6 An exploded view of a liquid cooling device in an embodiment of the utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the upper cover in the embodiment of the utility model;

[0025] Figure 8 This is a schematic diagram of the structure of the heat source and the liquid cooling device in the embodiment of the utility model;

[0026] Fig. 9 It is a schematic diagram of the structure of the heat source and the liquid cooling system in the embodiment of the utility model.

[0027] In the accompanying drawings: 1-shell, 11-base, 111-liquid inlet, 112-liquid outlet, 113-first mounting hole, 114-first positioning hole group, 115-second positioning hole group, 116-positioning hole, 117-slide, 12-upper cover, 121-second mounting hole, 122-pressure plate, 13-cavity, 131-first side wall, 132-second side wall, 133-third side wall, 134-fourth side wall, 14-sealing ring, 2-guide plate, 21-first guide plate, 22-second guide plate, 23-third guide plate, 24-positioning block, 25-slider, 3-flow channel, 31-first flow channel, 32-second flow channel, 33-third flow channel, 34-fourth flow channel, 4-flow guide adjustment structure, 10-heat source, 20-liquid inlet pipe, 30-liquid outlet pipe, 40-water pump.

[0028] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0029] 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 of 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.

[0030] It should be noted that if the embodiments of the present invention involve directional indications, such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0031] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their 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 addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0032] like Figures 1 to 8As shown, a liquid cooling device comprises a shell 1; a liquid inlet 111 and a liquid outlet 112 are provided on the shell 1, and a cavity 13 connected with the liquid inlet 111 and the liquid outlet 112 is provided on the inner side of the shell 1; at least one guide plate 2 is provided in the cavity 13, and the guide plate 2 corresponds to the position of the inner wall of the cavity 13, so that a circuitous flow channel 3 is formed in the cavity 13, and the two ends of the flow channel 3 are respectively connected with the liquid inlet 111 and the liquid outlet 112; the liquid cooling device also includes a guide adjustment structure 4, the guide adjustment structure 4 connects the guide plate 2 and the shell 1, and the guide adjustment structure 4 is used to adjust the distance a between the guide plate 2 and the corresponding inner wall of the cavity 13, and / or the distance b between adjacent guide plates 2, so as to adjust the width of at least part of the flow channel 3.

[0033] Before installing the liquid cooling device on the heating device, first determine the key heating position of the heating device, and then adjust the position of the guide plate 2 through the guide adjustment structure 4 so that a certain part of the flow channel 3 has a faster flow rate. During installation, the part of the flow channel 3 with a faster flow rate is matched with the key heating position of the heating device to carry out targeted heat dissipation at the key heating position of the heating device, which is beneficial to improving the heat dissipation efficiency and also beneficial to increasing the service life of the heating device.

[0034] In some specific embodiments, reference Figure 2 , Figure 4 and Figure 5 One end of the guide plate 2 abuts against the side wall of the cavity 13, and the other end extends toward the other opposite side wall with a gap between the side wall and the guide plate 2.

[0035] One end of the guide plate 2 abuts against the side wall of the cavity 13, blocking the heat dissipation liquid and guiding the heat dissipation liquid to the other end of the guide plate 2, so that the heat dissipation liquid flows through the gap between the guide plate 2 and the other side wall, thereby forming a circuitous flow channel 3. Forming a circuitous flow channel 3 in the cavity 13 can lengthen the distance that the heat dissipation liquid flows and enhance the heat dissipation effect.

[0036] In some specific embodiments, reference Figure 2 , Figure 4 and Figure 5 Three guide plates 2 are provided in the cavity 13, and the three guide plates 2 are a first guide plate 21, a second guide plate 22 and a third guide plate 23 arranged in sequence; the inner wall of the cavity 13 includes a first side wall 131 and a second side wall 132 arranged opposite to each other, one end of the first guide plate 21 and the third guide plate 23 are both abutted against the first side wall 131, and the other end extends toward the second side wall 132 with a gap between them, and one end of the second guide plate 22 is abutted against the second side wall 132, and the other end extends toward the first side wall 131 with a gap between them.

[0037] In some specific embodiments, reference Figure 2 , Figure 4 and Figure 5 The liquid inlet 111 and the liquid outlet 112 are both arranged on a side of the shell 1 close to the first side wall 131 , the liquid inlet 111 is located on a side of the first guide plate 21 away from the second guide plate 22 , and the liquid outlet 112 is located on a side of the third guide plate 23 away from the second guide plate 22 .

[0038] Specifically, the inner wall of the cavity 13 also includes a third side wall 133 and a fourth side wall 134 that are arranged opposite to each other. The third side wall 133, the first guide plate 21, the second guide plate 22, the third guide plate 23 and the fourth side wall 134 are arranged in sequence. The flow channel 3 between the third side wall 133 and the first guide plate 21 is called the first flow channel 31, the flow channel 3 between the first guide plate 21 and the second guide plate 22 is called the second flow channel 32, the flow channel 3 between the second guide plate 22 and the third guide plate 23 is called the third flow channel 33, and the flow channel 3 between the third guide plate 23 and the fourth side wall 134 is called the fourth flow channel 34. The first flow channel 31, the second flow channel 32, the third flow channel 33 and the fourth flow channel 34 are connected in sequence to form the above-mentioned circuitous flow channel 3.

[0039] The width of the first flow channel 31 is a1, the width of the second flow channel 32 is b1, the width of the third flow channel 33 is b2, and the width of the fourth flow channel 34 is a2. In this embodiment, "the distance a between the guide plate 2 and the inner wall of the corresponding cavity 13" refers to a1 or a2, and "the distance b between adjacent guide plates 2" refers to b1 or b2.

[0040] When cooling, the cooling liquid enters from the liquid inlet 111, flows through the first flow channel 31, the second flow channel 32, the third flow channel 33 and the fourth flow channel 34 in sequence, and then flows out from the liquid outlet 112. Since the volume flow rate of the cross section of each section of the flow channel 3 is the same in the cooling device, the cross-sectional area of ​​the section of the flow channel 3 can be changed by changing the width of the flow channel 3, thereby changing the flow rate of the cooling liquid in the section of the flow channel 3.

[0041] For example, by moving the first guide plate 21 toward the third side wall 133, a1 decreases, and the flow rate of the heat dissipation liquid in the first flow channel 31 increases. The first flow channel 31 can be installed at the key heating position of the heating device, thereby achieving a targeted heat dissipation effect.

[0042] The distance a between the guide plate 2 and the inner wall of the corresponding cavity 13 and the distance b between adjacent guide plates 2 can also be measured and calculated by simulation software according to the situation of the heat source 10 .

[0043] Assume that the radius of the heat source 10 is 13 mm and the heat source 10 is located in the middle of the upper side of the housing 1. Figure 8, through simulation software calculation, the interval between the guide plates 2 can be set to 4 mm, that is, b1=b2=4 mm, and heat is mainly dissipated through the second flow channel 32 and the third flow channel 33.

[0044] Assume that the radius of the heat source 10 is 33 mm and the heat source 10 is located in the middle of the upper side of the housing 1. Figure 8 , through simulation software calculation, the interval between the guide plates 2 can be set to 5 mm, that is, b1=b2=5 mm, and heat is mainly dissipated through the second flow channel 32 and the third flow channel 33.

[0045] In some specific embodiments, reference Figure 2 , Figure 4 and Figure 5 The guide adjustment structure 4 includes a plurality of positioning holes 116 disposed at the bottom of the cavity 13 . The arrangement direction of the plurality of positioning holes 116 is perpendicular to the extension direction of the guide plate 2 . The guide plate 2 is provided with a positioning block 24 matching the positioning holes 116 .

[0046] In some specific embodiments, reference Figure 2 , Figure 4 and Figure 5 The guide adjustment structure 4 includes a slide groove 117 arranged at the bottom of the cavity 13, the slide groove 117 is perpendicular to the extension direction of the guide plate 2, and a slider 25 matching the slide groove 117 is provided on the guide plate 2. The positioning block 24 and the slider 25 are arranged along the extension direction of the guide plate 2.

[0047] Specifically, a first positioning hole group 114 and a second positioning hole group 115 are provided at the bottom of the cavity 13, and the first positioning hole group 114 and the second positioning hole group 115 are respectively arranged close to the first side wall 131 and the second side wall 132. Each positioning hole 116 group includes a plurality of positioning holes 116, and the plurality of positioning holes 116 in the same positioning hole 116 group extend along the extension direction of the first side wall 131, and the two positioning hole 116 groups are arranged in parallel.

[0048] The slide groove 117 is disposed at the middle position of the bottom of the cavity 13 , between the first positioning hole group 114 and the second positioning hole group 115 , and is disposed in parallel with the two positioning hole groups 116 .

[0049] The positioning block 24 on the first guide plate 21 is inserted into a positioning hole 116 of the first positioning hole group 114, and the sliding block 25 on the first guide plate 21 is embedded in the sliding groove 117;

[0050] The positioning block 24 on the second guide plate 22 is inserted into a positioning hole 116 of the second positioning hole group 115, and the sliding block 25 on the second guide plate 22 is embedded in the sliding groove 117;

[0051] The positioning block 24 on the third guide plate 23 is inserted into a positioning hole 116 of the first positioning hole group 114 , and the sliding block 25 on the third guide plate 23 is embedded in the sliding groove 117 .

[0052] When the position of the guide plate 2 needs to be adjusted, the slider 25 is slid to insert the positioning block 24 into the corresponding positioning hole 116 .

[0053] In some other embodiments, two positioning blocks 24 are provided on the guide plate 2, and the third positioning holes 116 group is used to replace the slide grooves 117 in the above embodiment, as long as the width of at least part of the flow channel 3 can be adjusted.

[0054] In some specific embodiments, reference Figure 6 and Figure 7 The shell 1 includes a base 11 and an upper cover 12. The cavity 13 is arranged in the base 11. The upper cover 12 is used to close the upper opening of the cavity 13. The base 11 is provided with a first mounting hole 113, and the upper cover 12 is provided with a second mounting hole 121. Connectors are provided in the first mounting hole 113 and the corresponding second mounting hole 121 to mount the upper cover 12 on the base 11.

[0055] Specifically, a sealing ring 14 is provided between the base 11 and the upper cover 12 , and the sealing ring 14 is squeezed by the base 11 and the upper cover 12 to prevent the heat dissipation liquid from flowing out, thereby affecting the heat dissipation effect or even causing the heat generating device to malfunction.

[0056] In addition, the liquid cooling system generally uses hard water as the cooling liquid, which is easy to form scale inside the liquid cooling device after long-term use. The base 11 and the upper cover 12 in this embodiment can be disassembled to facilitate cleaning of scale, ensure the heat dissipation effect, and help extend the service life of the liquid cooling device.

[0057] In some specific embodiments, reference Figure 7 A pressing plate 122 is further provided on one side of the upper cover 12 close to the base 11 , and the pressing plate 122 is used to press the guide plate 2 to the bottom of the cavity 13 .

[0058] The pressure plate 122 presses the guide plate 2 to the bottom of the cavity 13, so that the slider 25 is not easy to move along the slide groove 117, which is beneficial to keep the width of the flow channel 3 unchanged and more conducive to achieving the expected heat dissipation effect.

[0059] This embodiment also provides a liquid cooling system, such as Fig. 9 As shown, it includes the above-mentioned liquid cooling heat dissipation device.

[0060] In some specific embodiments, reference Fig. 9 The liquid cooling system further includes a liquid inlet pipe 20 and a liquid outlet pipe 30 , wherein the liquid inlet pipe 20 and the liquid outlet pipe 30 are connected to the liquid inlet port 111 and the liquid outlet port 112 respectively, and the liquid inlet pipe 20 is also connected to a water pump 40 .

[0061] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A liquid cooling device, characterized in that: It comprises a housing (1); The shell (1) is provided with a liquid inlet (111) and a liquid outlet (112); the inner side of the shell (1) is provided with a cavity (13) which is in communication with the liquid inlet (111) and the liquid outlet (112); At least one guide plate (2) is provided in the cavity (13), and the guide plate (2) corresponds to the position of the inner wall of the cavity (13), so that a circuitous flow channel (3) is formed in the cavity (13), and two ends of the flow channel (3) are respectively connected to the liquid inlet (111) and the liquid outlet (112); The liquid cooling device also includes a flow guide adjustment structure (4), which connects the flow guide plate (2) and the shell (1), and is used to adjust the distance a between the flow guide plate (2) and the corresponding inner wall of the cavity (13), and / or the distance b between adjacent flow guide plates (2), so as to adjust the width of at least part of the flow channel (3).

2. The liquid cooling device according to claim 1, characterized in that: One end of the guide plate (2) abuts against the side wall of the cavity (13), and the other end extends toward the other opposite side wall with a gap between the side wall and the side wall.

3. The liquid cooling device according to claim 1, characterized in that: Three guide plates (2) are arranged in the cavity (13), and the three guide plates (2) are a first guide plate (21), a second guide plate (22) and a third guide plate (23) which are arranged in sequence and spaced apart from each other; The inner wall of the cavity (13) comprises a first side wall (131) and a second side wall (132) which are arranged opposite to each other; one end of the first guide plate (21) and the third guide plate (23) are both in contact with the first side wall (131), and the other end extends toward the second side wall (132) with a gap between the second side wall (132); one end of the second guide plate (22) is in contact with the second side wall (132), and the other end extends toward the first side wall (131) with a gap between the first side wall (131).

4. The liquid cooling device according to claim 3, characterized in that: The liquid inlet (111) and the liquid outlet (112) are both arranged on a side of the shell (1) close to the first side wall (131); the liquid inlet (111) is located on a side of the first guide plate (21) away from the second guide plate (22); and the liquid outlet (112) is located on a side of the third guide plate (23) away from the second guide plate (22).

5. The liquid cooling device according to claim 1, characterized in that: The flow guide adjustment structure (4) comprises a plurality of positioning holes (116) arranged at the bottom of the cavity (13); the arrangement direction of the plurality of positioning holes (116) is perpendicular to the extension direction of the flow guide plate (2); and the flow guide plate (2) is provided with positioning blocks (24) matching the positioning holes (116).

6. The liquid cooling device according to claim 5, characterized in that: The guide adjustment structure (4) comprises a slide groove (117) arranged at the bottom of the cavity (13), the slide groove (117) is perpendicular to the extension direction of the guide plate (2), the guide plate (2) is provided with a slider (25) matching the slide groove (117), and the positioning block (24) and the slider (25) are arranged along the extension direction of the guide plate (2).

7. The liquid cooling device according to claim 1, characterized in that: The shell (1) comprises a base (11) and an upper cover (12); the cavity (13) is arranged in the base (11); the upper cover (12) is used to close the upper opening of the cavity (13); the base (11) is provided with a first mounting hole (113); the upper cover (12) is provided with a second mounting hole (121); the first mounting hole (113) and the corresponding second mounting hole (121) are provided with connecting pieces so as to mount the upper cover (12) on the base (11).

8. The liquid cooling device according to claim 7, characterized in that: A pressing plate (122) is also provided on one side of the upper cover (12) close to the base (11), and the pressing plate (122) is used to press the guide plate (2) onto the bottom of the cavity (13).

9. A liquid cooling system, characterized in that: A liquid cooling device comprising any one of claims 1 to 8.

10. The liquid cooling system according to claim 9, characterized in that: It also comprises a liquid inlet pipe (20) and a liquid outlet pipe (30), wherein the liquid inlet pipe (20) and the liquid outlet pipe (30) are respectively connected to the liquid inlet (111) and the liquid outlet (112), and the liquid inlet pipe (20) is also connected to a water pump (40).

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