TWM637103U - Heat dissipation module - Google Patents

Abstract

A heat dissipation module includes a heat dissipation fin assembly, a conductive block, a first heat pipe and a second heat pipe. The conductive block is fixedly connected to one surface of the heat dissipation fin assembly for contacting a heat source. One part of the first heat pipe is connected to the conductive block, and the other part thereof is located within the heat dissipation fin assembly. One part of the second heat pipe is connected to the conductive block, the other part thereof is located within the heat dissipation fin assembly, and located exactly under the other part of the first heat pipe.

Description

Cooling module

This creation is related to a cooling module, especially a cooling module with fins and heat pipes.

It is known that the heat source (such as chip components) in the mainframe of the computer will generate heat energy, which will cause the temperature of the system to rise and affect its performance. Disperse.

However, the space in the computer mainframe is limited, and it is impossible to install a large enough fin set, so the heat dissipation efficiency of the computer mainframe is limited, resulting in the problem that the temperature of the computer mainframe is too high and affects its operating performance.

In this way, how to develop a solution to improve the above-mentioned direction of efforts is really an important issue that the relevant industry should not delay at present.

This creation proposes a heat dissipation module to solve the problems described in the prior art.

According to an embodiment of the present invention, the heat dissipation module includes a heat dissipation fin set, a conductive block, a first heat pipe and a second heat pipe. cooling fins The sheet group has a first surface and a second surface opposite to each other. The lead block is fixed on the first surface for contacting a heat source. One part of the first heat pipe is connected to the lead block, and the other part is located in the cooling fin group. One part of the second heat pipe is connected to the lead block, and the other part is located in the cooling fin group, overlapping with the other part of the first heat pipe along a vertical direction.

According to one or more embodiments of the present invention, in the heat dissipation module mentioned above, the part of the second heat pipe is parallel to the part of the first heat pipe along a horizontal direction. The horizontal direction is perpendicular to the vertical direction and the long axis direction of the cooling fin group.

According to one or more embodiments of the present invention, in the above-mentioned heat dissipation module, the other part of the first heat pipe to the second surface of the heat dissipation fin group has a first vertical projection plane. There is a second vertical projection plane from another part of the second heat pipe to the second surface of the cooling fin group, and the second vertical projection plane is located within the range of the first vertical projection plane.

According to one or more embodiments of the present invention, in the above heat dissipation module, the heat dissipation fin set includes a first block, a second block and a third block. One side of the first block is fixedly connected with the lead block, and the third block is located between the first block and the second block. The thickness of the third block is smaller than the thickness of the first block or the second block, so that the first block, the second block and the third block together form a recessed part, and the recessed part is located at the heat dissipation fin group first side.

According to one or more embodiments of the present invention, in the above heat dissipation module, the second block includes a first through hole, a second through hole and a plurality of metal sheets. The metal sheets are arranged at intervals along the long axis direction of the cooling fin group. An air gap is formed between any two adjacent metal sheets, and the long axis direction of the air gap is The vertical directions are orthogonal to each other. The first through hole and the second through hole are respectively formed on the metal sheet of the second block, and the first through hole and the second through hole are arranged along a vertical direction. Another part of the first heat pipe is located in the first through hole, and another part of the second heat pipe is located in the second through hole.

According to one or more embodiments of the present invention, in the above-mentioned heat dissipation module, the first through hole and the second through hole overlapping along the vertical direction are connected to each other to form a gourd shape, and are located in the first through hole The first heat pipe directly contacts the second heat pipe located in the second through hole.

According to one or more embodiments of the present invention, in the above heat dissipation module, the first heat pipe includes a first straight section, a second straight section and a bent section. The first straight section is located on the first block and contacts the lead block, the second straight section is located on the second block, and the bent section is located in the recess and connects the first straight section and the second straight section. The second heat pipe includes a first linear section, a second linear section and a curved section. The first linear section is located on the second block, the second linear section extends into the first block, the third block and the second block in sequence, the curved section is located in the first block and the concave portion, and Connect the first linear segment to the second linear segment.

According to one or more embodiments of the present invention, in the above heat dissipation module, the surface of the first block has a groove, and the conductive block covers the surface of the first block and the groove. The first straight section of the first heat pipe is located in the groove, and sandwiched between the lead block and the bottom surface of the groove. The curved section of the second heat pipe is located in the groove, sandwiched between the conductive block and the bottom surface of the groove, and parallel to the first straight section along the horizontal direction.

According to one or more embodiments of the invention, in the above-mentioned cooling module , the second straight line segment and the second linear segment are parallel to each other, and the second straight line segment and the second linear segment overlap each other in a vertical direction. The end of the second straight line section relative to the bend section is located outside the second block, and the end of the second linear section relative to the bend section is located inside the second block.

According to one or more embodiments of the present invention, in the above heat dissipation module, the first straight section is closer to the first surface of the heat dissipation fin group than the second straight section, and the curved section is closer to the first surface of the heat dissipation fin group than the first linear section Closer to the first surface of the cooling fin group.

Thus, through the above structure, the heat dissipation module of the present invention can maintain the ventilation efficiency of the heat dissipation fin set, thereby improving the heat dissipation performance of the heat dissipation fin set.

The above description is only used to explain the problem to be solved by this creation, the technical means to solve the problem, and its effects, etc. The specific details of this creation will be introduced in detail in the following implementation methods and related drawings.

10: Cooling module

100: cooling fin group

101: The first side

102: The second side

110: The first block

111: The first metal sheet

112: The first air gap

113: Groove

114: bottom surface

120: the second block

121: the second metal sheet

122: Second air gap

123: The first through hole

124: Second through hole

130: The third block

131: The third metal sheet

132: The third air gap

133: Ridge

140: depression

150: lead block

200: the first heat pipe

200A: part

200B: another part

210: The first straight line section

220: The second straight section

221: end

230: Bending section

300: Second heat pipe

300A: part

300B: another part

310: the first linear segment

320: second linear segment

321: end

330: bending section

400: The third heat pipe

400A: part

400B: another part

410: the first columnar section

420: the second columnar section

430: Bending section

AA, BB, CC: line segment

X, Y, Z: axes

P1: the first vertical projection plane

P2: Second vertical projection plane

In order to make the above and other purposes, features, advantages and embodiments of this creation more obvious and easy to understand, the accompanying drawings are described as follows: Figure 1 is a perspective view of a heat dissipation module in an embodiment of this creation; Figure 2 is Figure 1 is a perspective view of the cooling module viewed from another angle; Figure 3 is a partial cross-sectional view along line AA in Figure 1; Figure 4 is a cross-section along line BB in Figure 1 Fig. 5 is a cross-sectional view made along line CC in Fig. 1; Fig. 6 is a schematic diagram of the first heat pipe in Fig. 1 in the cooling fin group; Fig. 7 is a schematic diagram of the second heat pipe in Fig. 1 in the cooling fin group; and Fig. 8 is a schematic diagram of the third heat pipe in Fig. 1 in the cooling fin group.

The following will disclose the embodiment of the invention with diagrams, and for the sake of clarity, many practical details will be described together in the following description. However, those skilled in the art should understand that in some implementations of the present invention, these practical details are not necessary, and thus should not be used to limit the present invention. In addition, for the sake of simplifying the drawings, some well-known structures and components will be shown in a simple and schematic manner in the drawings. In addition, for the convenience of readers, the size of each element in the drawings is not drawn according to actual scale.

FIG. 1 is a perspective view of a heat dissipation module 10 according to an embodiment of the invention. FIG. 2 is a perspective view of the cooling module 10 in FIG. 1 viewed from another perspective. As shown in FIGS. 1 to 2 , the heat dissipation module 10 includes a heat dissipation fin set 100 , a conductive block 150 , a plurality of first heat pipes 200 and a plurality of second heat pipes 300 . The cooling fin set 100 includes a first surface 101 and a second surface 102 opposite to each other. The conductive block 150 is fixedly connected to the first surface 101 of the cooling fin set 100 for contacting the heat source. The first heat pipes 200 and the second heat pipes 300 respectively have different curved shapes and are distributed side by side in the cooling fin assembly 100 . A part 200A of each first heat pipe 200 is connected to the conductive block 150 , and another part 200B extends into the cooling fin set 100 . A part 300A of each second heat pipe 300 is connected to the conductive block 150 , and the other part 300B extends into the cooling fin set 100 .

Figure 3 is a partial sectional view of Figure 1 taken along line AA. Figure 4 is a cross-sectional view taken along the line segment BB in Figure 1. As shown in Fig. 1 and Fig. 3, in this embodiment, the heat dissipation module 10 is substantially three-dimensional, having a length (such as the X axis), a width (such as the Y axis) and a height (such as the Z axis). Orthogonal three directions. Thus, the portion 200A of the first heat pipe 200 and the portion 300A of the second heat pipe 300 are aligned with each other along a horizontal direction (such as the Y axis), and the other portion 200B of the first heat pipe 200 and the other portion 300B of the second heat pipe 300 In the vertical direction (such as the Z axis), they are arranged to overlap each other (Fig. 3).

In other words, as shown in FIG. 1 and FIG. 4 , the diameter of the first heat pipe 200 is approximately the same as that of the second heat pipe 300 . The second surface 102 has a first vertical projection plane P1, and the second surface 102 from the other part 300B of the second heat pipe 300 to the heat dissipation fin set 100 has a second vertical projection plane P2, and the second vertical projection plane P2 is the same as the first The vertical projection planes P1 are substantially the same, or the second vertical projection plane P2 is located within the range of the first vertical projection plane P1. However, the present invention is not limited thereto. In other embodiments, the diameter of the first heat pipe 200 and the diameter of the second heat pipe 300 may also be different (FIG. 4).

More specifically, as shown in FIG. 1 and FIG. 2 , the cooling fin set 100 includes a first block 110 , a second block 120 and a third block 130 . The third block 130 is located between the first block 110 and the second block 120, and the thickness of the third block 130 is smaller than the thickness of the first block 110 or the second block 120, so that the first block 110, The second block 120 and the third block 130 jointly define a recessed part 140, and the recessed part 140 is recessed in the The first surface 101 of the thermal fin group 100 is less than the second surface 102 of the thermal fin group 100, and the first block 110, the second block 120 and the third block 130 together form the thermal fin group 100. Second side 102 .

The first block 110 includes a plurality of first metal sheets 111 , and a first air gap 112 is formed between any two adjacent first metal sheets 111 . The first metal sheets 111 are spaced apart from each other along the long axis direction (such as the X axis) of the heat dissipation fin set 100 . The second block 120 includes a plurality of second metal sheets 121 , and a second air gap 122 is formed between any two adjacent second metal sheets 121 . The second metal sheets 121 are spaced apart from each other along the long axis direction (such as the X axis) of the heat dissipation fin set 100 . The third block 130 includes a plurality of third metal sheets 131 , and a third air gap 132 is formed between any two adjacent third metal sheets 131 . These third metal sheets 131 are spaced apart from each other along the long axis direction (such as the X axis) of the cooling fin group 100, and the long axis directions of the first air gap 112, the second air gap 122 and the third air gap 132 (such as the Y axis) axis) and the direction of the long axis of the cooling fin set 100 (such as the X axis) are orthogonal to each other.

The second block 120 further includes a plurality of first through holes 123 and second through holes 124 . The first through hole 123 and the second through hole 124 are respectively formed on the second metal sheets 121 along the long axis direction (such as the X axis) of the cooling fin group 100, and the adjacent first through hole 123 and the second through hole The through holes 124 are arranged in sequence along the vertical direction (such as the Z axis). The first through hole 123 is used for inserting the first heat pipe 200 therein, and the second through hole 124 is used for inserting the second heat pipe 300 therein.

In this way, compared to the fact that the heat pipes are arranged horizontally with each other, it is possible to block a part of the air gap, thereby reducing the air flow of the cooling fin group. The other part 200B is directly below (that is, the two vertically overlap), so as not to block too much air gap, so as to avoid slowing down the air flow of the cooling fin set.

Furthermore, each first through hole 123 penetrates through all the second metal sheets 121 along the long axis direction (such as the X axis) of the cooling fin assembly 100 . Each second through hole 124 only penetrates a part of the second metal sheet 121 along the long axis direction (such as the X axis). However, the present invention is not limited thereto, and in other embodiments, the second through holes 124 may also pass through all the second metal sheets 121 .

More specifically, in this embodiment, the first through hole 123 and the second through hole 124 overlapping along the vertical direction (such as the Z axis) form a gourd shape, and the first through hole 123 and the second through hole 124 are in contact with each other. so that the first heat pipe 200 in the first through hole 123 directly contacts the second heat pipe 300 in the second through hole 124 . In this way, the heat energy of the first heat pipe 200 and the second heat pipe 300 can be transferred to each other more, thereby adding more heat conduction paths to provide better heat dissipation performance.

Figure 5 is a cross-sectional view taken along line CC in Figure 1. As shown in FIG. 1 and FIG. 5 , a groove 113 is recessed on the surface of the first block 110 , and the long axis direction of the groove 113 is parallel to the long axis direction (such as the X axis) of the cooling fin assembly 100 . The lead block 150 is fixed to the surface of the first block 110 , eg locked to the surface of the first block 110 , and covers the surface of the first block 110 and the groove 113 . A portion 200A of the first heat pipe 200 is located in the groove 113 and is directly sandwiched between the conductive block 150 and the bottom surface 114 of the groove 113 . A part 300A of the second heat pipe 300 is located in the groove 113, directly sandwiched between the conductive block 150 and the bottom surface 114 of the groove 113, and is parallel to the first heat pipe 200 along the horizontal direction (such as the Y axis) and directly contacts. The first heat pipe 200.

FIG. 6 is a schematic diagram of the first heat pipe 200 in FIG. 1 inside the cooling fin set 100 . As shown in FIG. 1 and FIG. 6 , each first heat pipe 200 includes a first straight section 210 , a second straight section 220 and a bent section 230 . The first straight section 210 is located in the first block 110 and contacts the conductive block 150 . The second straight section 220 is located in the second block 120 , and the bent section 230 is located in the concave portion 140 and directly connects the first straight section 210 and the second straight section 220 .

In this embodiment, as shown in FIG. 6, the first straight section 210 is located in the groove 113, and is directly sandwiched between the lead block 150 and the bottom surface 114 of the groove 113, and the first straight section 210 is relatively The second straight section 220 is closer to the first surface 101 of the cooling fin set 100 . The first straight line section 210 and the second straight line section 220 are both parallel to the long axis direction (such as the X axis) of the cooling fin set 100, and the end 221 of the second straight line section 220 opposite to the bent section 230 is exposed in the second area Block 120 outside.

FIG. 7 is a schematic diagram of the second heat pipe 300 in FIG. 1 inside the cooling fin set 100 . As shown in FIG. 1 and FIG. 7 , each second heat pipe 300 includes a first linear section 310 , a second linear section 320 and a curved section 330 . The first linear section 310 is located in the second block 120, the second linear section 320 extends into the first block 110, the third block 130 and the second block 120 in sequence, and the curved section 330 is located in the second block at the same time. In a block 110 and the recessed portion 140, and directly connect the first linear section 310 and the second linear section 320, and the curved section 330 of the second heat pipe 300 is closer to the cooling fin than the first linear section 310 The first side 101 of the sheet set 100 .

In this embodiment, the curved section 330 is located in the groove 113 , directly clamped between the lead block 150 and the bottom surface 114 of the groove 113 , and along the horizontal direction with the first straight section 210 of the first heat pipe 200 (like the Y axis) side by side. A part of the curved section 330 opposite to the first linear section 310 is exposed outside the first block 110 . Both the first linear section 310 and the second linear section 320 are parallel to the long axis direction (such as the X axis) of the cooling fin assembly 100, and the end 321 of the second linear section 320 opposite to the curved section 330 is located in the second area. within block 120. The second linear section 320 overlaps with the second linear section 220 of the first heat pipe 200 along a vertical direction (such as the Z axis).

In addition, as shown in FIG. 7, the third block 130 further includes a ridge portion 133 (FIG. 3), and the ridge portion 133 protrudes toward the direction of the recessed portion 140 for placing the first linear portion of the second heat pipe 300. segment 310 and a second linear segment 320 .

FIG. 8 is a schematic diagram of the third heat pipe 400 in FIG. 1 inside the cooling fin set 100 . As shown in FIG. 1 and FIG. 8 , as shown in FIG. 1 and FIG. 7 , the cooling module 10 includes a plurality of third heat pipes 400 . A part 400A of each third heat pipe 400 is located on the first block 110 and connected to the conductive block 150 , and another part 400B of the third heat pipe 400 extends into the first block 110 through the concave portion 140 .

More specifically, each third heat pipe 400 includes a first columnar section 410 , a second columnar section 420 and a meandering section 430 . Both the first columnar section 410 and the second columnar section 420 are located on the first block 110 , and the meander section 430 is located in the recessed portion 140 and directly connects the first columnar section 410 and the second columnar section 410 . Section 420. The second columnar region of the third heat pipe 400 The segment 420 is closer to the second surface 102 of the heat dissipation fin set 100 than the first columnar segment 410 .

Thus, through the above structure, the heat dissipation module of the present invention can maintain the ventilation efficiency of the heat dissipation fin set, thereby improving the heat dissipation performance of the heat dissipation fin set.

Finally, the embodiments disclosed above are not intended to limit this creation. Anyone who is familiar with this technique can make various changes and modifications without departing from the spirit and scope of this creation, and all of them can be protected in this creation. creation. Therefore, the scope of protection of this creation should be defined by the scope of the attached patent application.

10: Cooling module

100: cooling fin group

101: The first side

102: The second side

110: The first block

120: the second block

130: The third block

133: Ridge

140: depression

150: lead block

200: the first heat pipe

200A: part

200B: another part

300: Second heat pipe

300A: part

300B: another part

400: The third heat pipe

400A: part

400B: another part

AA, BB, CC: line segment

X, Y, Z: axes

Claims (10)

A cooling module, comprising: A cooling fin group has a first surface and a second surface opposite to each other; a lead block fixedly connected to the first surface for contacting a heat source; a first heat pipe, one part of the first heat pipe is connected to the conductive block, and the other part is located in the heat dissipation fin group; and A second heat pipe, one part of the second heat pipe is connected to the conductive block, the other part is located in the cooling fin group, and overlaps with the other part of the first heat pipe along a vertical direction. The heat dissipation module according to claim 1, wherein the part of the second heat pipe is side by side with the part of the first heat pipe along a horizontal direction, wherein the horizontal direction is perpendicular to the vertical direction and the heat dissipation fin group the direction of the long axis. The heat dissipation module as described in claim 1, wherein the other part of the first heat pipe has a first vertical projection plane to the second surface of the heat dissipation fin group, and the other part of the second heat pipe to the heat dissipation The second surface of the fin group has a second vertical projection plane, and the second vertical projection plane is located within the range of the first vertical projection plane. The heat dissipation module as described in claim 1, wherein the heat dissipation fin group includes a first block, a second block, and a third block, and one surface of the first block is affixed to the lead block, and the third block is located between the first block and the second block, Wherein the thickness of the third block is smaller than the thickness of the first block or the second block, so that the first block, the second block and the third block jointly form a recess, the recess The part is located on the first surface of the cooling fin group. The heat dissipation module according to claim 4, wherein the second block includes a first through hole, a second through hole and a plurality of metal sheets, and the metal sheets are along the long axis direction of the heat dissipation fin group Spaced apart from each other, an air gap is formed between any two adjacent metal sheets, and the long axis direction of the air gap is perpendicular to the vertical direction; and The first through hole and the second through hole are formed on the metal sheets of the second block, and the first through hole and the second through hole are arranged in sequence along the vertical direction, Wherein the other part of the first heat pipe is located in the first through hole, and the other part of the second heat pipe is located in the second through hole. The heat dissipation module according to claim 5, wherein the first through hole and the second through hole overlapping along the vertical direction are connected to each other to form a gourd shape, and the first through hole located in the first through hole The heat pipe directly contacts the second heat pipe located in the second through hole. The heat dissipation module according to claim 4, wherein the first heat pipe includes a first straight section, a second straight section and a bent section, the first straight section is located on the first block, and contacting the lead block, the second straight section is located on the second block, the bent section is located in the concave portion, and connects the first straight section and the second straight section; and The second heat pipe includes a first linear section, a second linear section and a curved section, the first linear section is located on the second block, and the second linear section extends into the For the first block, the third block, and the second block, the curved section is located in the first block and the concave portion, and connects the first linear section and the second linear section. The heat dissipation module according to claim 7, wherein the surface of the first block has a groove, and the conductive block covers the surface of the first block and the groove; the first straight section of the first heat pipe is located in the groove, and sandwiched between the lead block and a bottom surface of the groove; and The curved section of the second heat pipe is located in the groove, sandwiched between the conductive block and the bottom surface of the groove, and is parallel to the first straight section of the first heat pipe along a horizontal direction . The heat dissipation module according to claim 7, wherein the second straight line section and the second linear section are parallel to each other, and the second straight line section and the second linear section overlap each other in the vertical direction, Wherein the second linear section is located outside the second block relative to one end of the bent section, and the second linear section is located inside the second block relative to one end of the curved section. The heat dissipation module according to claim 7, wherein the first straight section is closer to the first surface of the heat dissipation fin set than the second straight section, and the curved section is closer to the first linear section than the first linear section closer to the first surface of the cooling fin group.

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