Vapor chamber and radiator

Abstract

The vapor chamber comprises a bottom plate and a cover plate, and the bottom plate and the cover plate are matched to form a containing cavity. A plurality of copper bars are arranged in the accommodating cavity; one side of each copper bar is connected with the bottom plate, and the other side of each copper bar is connected with the cover plate; the number of rows of the plurality of copper bars is not less than two, and the number of columns of the plurality of copper bars is not less than two; two adjacent rows of copper bars are arranged in a staggered manner; the two adjacent rows of copper bars are arranged in a gapless mode or partially coincide with each other. The radiator comprises the vapor chamber. According to the utility model, the plurality of copper bars are arranged between the bottom plate and the cover plate, the number of rows of the plurality of copper bars is not less than two, and the number of columns of the plurality of copper bars is not less than two; two adjacent rows of copper bars are arranged in a staggered manner; two adjacent rows of copper bars are arranged in a gapless manner or partially overlapped; according to the utility model, the plurality of copper bars are distributed and arranged to play a superposing role, so that gaps among the rows of the copper bars cannot be generated, and the soaking plate is effectively prevented from generating ripples on the outer surface of the cover plate.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation, in particular to a heat spreader and a radiator. Background Art

[0002] A radiator is a device used to conduct and release heat. Its main function is to transfer the heat generated during the working process in a timely manner to ensure the normal operation of the equipment. The radiator is generally composed of a heat sink, a fan, a heat pipe, a heat spreader, and the material of the shell.

[0003] In existing heat sinks with vapor chambers, the vapor chamber is made of copper and the heat sink below the vapor chamber is made of aluminum. When the heat sink is repeatedly and rapidly changed in temperature (-40℃ to 110℃), the difference in the material properties of the vapor chamber and the heat sink can easily cause ripples on the outer surface of the vapor chamber at high and low temperatures. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a vapor chamber and a radiator to solve the problem of ripples on the outer surface of the vapor chamber under high and low temperature conditions.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A heat spreader, comprising a bottom plate and a cover plate, wherein the bottom plate and the cover plate cooperate to form a receiving cavity;

[0007] A plurality of copper bars are arranged in the receiving cavity; one side of the plurality of copper bars is connected to the bottom plate, and the other side of the plurality of copper bars is connected to the cover plate;

[0008] The number of rows of the plurality of copper strips is not less than two, and the number of columns is not less than two;

[0009] The copper bars in two adjacent rows are arranged in a staggered manner; the copper bars in two adjacent columns are arranged without gaps or partially overlap.

[0010] The utility model arranges a plurality of copper bars between the bottom plate and the cover plate, and the number of rows of the plurality of copper bars is not less than two rows, and the number of columns is not less than two columns; the copper bars of two adjacent rows are arranged alternately; the copper bars of two adjacent columns are arranged without gaps or partially overlap; the utility model achieves a superposition effect through the distribution arrangement of the plurality of copper bars, so that no gaps are generated between the columns of the copper bars, thereby effectively preventing the heat spreader from generating ripples on the outer surface of the cover plate.

[0011] The copper strip arrangement of the utility model, on the one hand, supports the heat spreader, improves the stability of the heat spreader, and makes the heat spreader less likely to deform; on the other hand, it plays a heat conduction role on the heat spreader, improves the heat dissipation efficiency, and makes the heat dissipation more uniform.

[0012] In one embodiment, the plurality of copper bars are arranged to be inclined to the right.

[0013] In one embodiment, the plurality of copper bars are arranged to be inclined to the left.

[0014] In one embodiment, the copper strips in two adjacent rows are arranged in opposite inclination directions.

[0015] In one embodiment, the copper strips in two adjacent columns are arranged in opposite inclination directions.

[0016] In one embodiment, the copper strips are arranged horizontally.

[0017] In one embodiment, a plurality of first copper pillars are disposed in the receiving cavity; one end of the plurality of first copper pillars is connected to the bottom plate, and the other end is connected to the cover plate;

[0018] The number of rows in which the plurality of first copper pillars are distributed is not less than two, and the number of columns in which the plurality of first copper pillars are distributed is not less than two;

[0019] The first copper pillars in two adjacent rows are arranged alternately;

[0020] The rows of the first copper pillars and the rows of the copper strips are arranged alternately in sequence.

[0021] The utility model provides a first copper column, which, on the one hand, supports the heat spreader, makes the force on the heat spreader more uniform, improves the stability of the heat spreader, and makes the heat spreader less likely to deform; on the other hand, it plays a heat conduction role on the heat spreader, improves the heat dissipation efficiency, and makes the heat dissipation more uniform.

[0022] In one embodiment, a plurality of second copper pillars are disposed in the receiving cavity; one end of the plurality of second copper pillars is connected to the bottom plate, and the other end is connected to the cover plate;

[0023] A plurality of the second copper columns are arranged around the outer side of the distribution area of ​​the copper strip.

[0024] The utility model provides a second copper column, which, on the one hand, supports the edge of the heat spreader, so that the edge of the heat spreader is better stressed, improves the stability of the heat spreader, and makes the heat spreader less likely to deform; on the other hand, it plays a heat conduction role at the edge of the heat spreader, so that the heat dissipation of the heat spreader is more uniform, and the heat dissipation efficiency is improved.

[0025] In one embodiment, a first groove is opened at one end of the heat spreader, and a plurality of third copper pillars are arranged at one end of the receiving cavity close to the first groove; one end of the plurality of third copper pillars is connected to the bottom plate, and the other end is connected to the cover plate.

[0026] In one of the embodiments, a second groove is further formed at one end of the vapor chamber, and the first groove and the second groove are disposed at the same end of the vapor chamber.

[0027] The utility model arranges a third copper column at one end close to the first groove and the second groove. On the one hand, it further supports the end of the heat spreader close to the first groove and the second groove, so that the end of the heat spreader close to the first groove and the second groove is better stressed, thereby improving the stability of the heat spreader and making it less likely to deform. On the other hand, it plays a heat conduction role for the end of the heat sink close to the first groove and the second groove, so that the heat dissipation of the heat sink is more uniform, thereby improving the heat dissipation efficiency.

[0028] In one embodiment, the bottom plate is a plate with a concave middle portion forming a receiving groove, the cover plate is a straight plate, and the concave side of the bottom plate faces the cover plate.

[0029] In one embodiment, the bottom plate is a flat plate, the cover plate is a plate with a recessed middle portion to form a receiving groove, and the recessed side of the cover plate faces the bottom plate.

[0030] The utility model also discloses a radiator, comprising the above-mentioned heat spreader, a heat dissipation plate and a heat dissipation copper sheet;

[0031] One side of the heat dissipation copper sheet is connected to the heat dissipation plate, and the other side is connected to the heat spreader.

[0032] In one of the embodiments, a heat dissipation groove is provided on one side of the heat dissipation plate close to the heat dissipation copper sheet, the heat dissipation copper sheet is accommodated in the heat dissipation groove, and one side of the heat dissipation copper sheet is connected to the heat dissipation groove, and the other side is connected to a side of the base plate facing the heat dissipation plate.

[0033] The radiator disclosed by the utility model increases the thickness of the conductive material between the heat spreader and the heat sink by arranging a heat dissipation copper sheet between the heat spreader and the heat sink, which, on the one hand, improves the heat dissipation efficiency of the radiator, with the performance relatively improved by about 15% to 20%; on the other hand, makes the heat dissipation of the radiator more uniform, effectively avoiding the appearance of corrugations on the outer surface of the heat spreader. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a schematic diagram of the overall structure of the heat sink in the first embodiment of the present utility model;

[0035] Figure 2 This is a schematic diagram of the structure of the heat spreader after the cover plate is removed in the first embodiment of the utility model;

[0036] Figure 3 for Figure 2 A top view of

[0037] Figure 4 This is a schematic structural diagram of a cover plate according to Embodiment 1 of the present utility model;

[0038] Figure 5 This is a schematic diagram of the exploded state of the radiator of the second embodiment of the present utility model.

[0039] In the figure: 1. heat spreader; 2. heat sink; 3. heat dissipation copper sheet; 11. bottom plate; 12. cover plate; 13. copper bar; 14. first copper column; 15. second copper column; 16. first groove; 17. second groove; 18. third copper column; 19. receiving groove; 10. radiator; 21. heat dissipation groove. DETAILED DESCRIPTION

[0040] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0041] The following describes an embodiment of the utility model based on its overall structure.

[0042] Embodiment 1

[0043] The present embodiment provides a heat spreader 1, comprising a base plate 11 and a cover plate 12. The base plate 11 and the cover plate 12 cooperate to form a receiving cavity (not shown in the figure). In the present embodiment, the base plate 11 and the cover plate 12 are both copper plates. A plurality of copper bars 13 are arranged in the receiving cavity. One side of the copper bar 13 is connected to the base plate 11, and the other side is connected to the cover plate 12. In the present embodiment, the two sides of the copper bar 13 can be connected to the base plate 11 and the cover plate 12 in a fixed connection or a movable connection.

[0044] like Figure 2 and Figure 3 As shown, in this embodiment, the plurality of copper bars 13 are all arranged to be tilted to the right. The number of rows of the plurality of copper bars 13 is not less than two rows, and the number of columns is not less than two columns, and the copper bars 13 of two adjacent rows are arranged in an interlaced manner, and the copper bars 13 of two adjacent columns are arranged without gaps. In other embodiments, the copper bars 13 of two adjacent columns can be arranged to partially overlap. In other embodiments, the copper bars 13 can be arranged to be tilted to the left, or the copper bars 13 of two adjacent rows are arranged in opposite directions, or the copper bars 13 of two adjacent columns are arranged in opposite directions, or all the copper bars 13 are arranged horizontally.

[0045] The utility model arranges a plurality of copper bars 13 between the bottom plate 11 and the cover plate 12, and the number of rows of the plurality of copper bars 13 is not less than two rows, and the number of columns is not less than two columns; the copper bars 13 of two adjacent rows are arranged alternately; the copper bars 13 of two adjacent columns are arranged without gaps; the utility model achieves a superposition effect through the distribution arrangement of the plurality of copper bars 13, so that no gaps between the columns of the copper bars 13 are generated, thereby effectively avoiding the generation of ripples on the outer surface of the heat spreader 1.

[0046] The copper strip 13 of the utility model, on the one hand, supports the heat spreader 1, improves the stability of the heat spreader 1, and makes the heat spreader 1 less likely to deform; on the other hand, it conducts heat to the heat spreader 1, improves the heat dissipation efficiency, and makes the heat dissipation more uniform.

[0047] like Figure 2 and Figure 3 As shown, in this embodiment, a plurality of first copper pillars 14 are further arranged in the accommodating cavity; one end of the plurality of first copper pillars 14 is connected to the bottom plate 11, and the other end is connected to the cover plate 12; the number of rows of the plurality of first copper pillars 14 is not less than two rows, and the number of columns is not less than two columns; the first copper pillars 14 in two adjacent rows are staggered; the rows of the first copper pillars 14 and the rows of the copper bars 13 are alternately arranged in sequence.

[0048] In this embodiment, two ends of the first copper column 14 can be connected to the bottom plate and the cover plate in a fixed connection or a movable connection manner.

[0049] The utility model provides the first copper column 14, which, on the one hand, supports the heat spreader 1, so that the force on the heat spreader 1 is more uniform, and the stability of the heat spreader 1 is improved, so that the heat spreader 1 is not easily deformed; on the other hand, it plays a heat conduction role on the heat spreader 1, improves the heat dissipation efficiency, and makes the heat dissipation more uniform.

[0050] like Figure 2 and Figure 3 As shown, in this embodiment, a plurality of second copper pillars 15 are further provided in the receiving cavity; one end of the plurality of second copper pillars 15 is connected to the bottom plate 11 , and the other end is connected to the cover plate 12 ; the plurality of second copper pillars 15 are arranged around the outside of the distribution area of ​​the copper strip 13 .

[0051] The utility model provides a second copper column 15, which, on the one hand, supports the edge of the heat spreader 1, so that the edge of the heat spreader 1 is better stressed, thereby improving the stability of the heat spreader 1 and making it less likely to deform; on the other hand, it plays a heat conduction role at the edge of the heat spreader 1, so that the heat dissipation of the heat spreader 1 is more uniform, thereby improving the heat dissipation efficiency.

[0052] like Figure 1 and Figure 3As shown, in this embodiment, a first groove 16 and a second groove 17 are formed at one end of the vapor chamber 1, and the first groove 16 and the second groove 17 are disposed at the same end of the vapor chamber 1. A plurality of third copper pillars 18 are disposed at one end of the receiving cavity close to the first groove 16 and the second groove 17; one end of the plurality of third copper pillars 18 is connected to the bottom plate 11, and the other end is connected to the cover plate 12.

[0053] The utility model provides a third copper column 18 at one end close to the first groove 16 and the second groove 17. On the one hand, it further supports the end of the heat spreader 1 close to the first groove 16 and the second groove 17, so that the end of the heat spreader 1 close to the first groove 16 and the second groove 17 is better stressed, thereby improving the stability of the heat spreader 1 and making it less likely to deform. On the other hand, it plays a heat conduction role on the end of the heat spreader 1 close to the first groove 16 and the second groove 17, so that the heat dissipation of the heat spreader 1 is more uniform, thereby improving the heat dissipation efficiency.

[0054] like Figure 2 , Figure 3 and Figure 4 As shown, in this embodiment, the bottom plate 11 is a flat plate, the cover plate 12 is a plate with a recessed middle portion to form a receiving groove 19, and the recessed side of the cover plate 12 faces the bottom plate 11. In other embodiments, it can also be configured as follows: the bottom plate is a plate with a recessed middle portion to form a receiving groove, the cover plate is a flat plate, and the recessed side of the bottom plate faces the cover plate.

[0055] Embodiment 2

[0056] like Figure 5 As shown, the utility model discloses a radiator 10, comprising a vapor chamber 1, a heat sink 2 and a heat sink copper sheet 3. In this embodiment, one side of the heat sink copper sheet 3 is connected to the heat sink 2, and the other side is connected to the vapor chamber 1.

[0057] like Figure 5 As shown, in this embodiment, a heat dissipation groove 21 is opened on one side of the heat dissipation plate 2 close to the heat dissipation copper sheet 3, and the heat dissipation copper sheet 3 is accommodated in the heat dissipation groove 21, and one side of the heat dissipation copper sheet 3 is connected to the heat dissipation groove 21, and the other side is connected to a side of the bottom plate 11 facing the heat dissipation plate 2.

[0058] In this embodiment, the heat spreader 1 is a copper plate, and the heat sink 2 is an aluminum plate. The heat sink copper sheet 3 and the heat spreader 1 can be connected by welding, and the heat sink copper sheet 3 and the heat sink 2 can be connected by welding.

[0059] The heat sink 10 disclosed by the utility model increases the thickness of the conductive material between the heat spreader 1 and the heat sink 2 by arranging a heat dissipation copper sheet 3 between the heat spreader 1 and the heat sink 2. On the one hand, the heat dissipation efficiency of the heat sink 10 is improved, and the performance is relatively improved by about 15 to 20%; on the other hand, the heat dissipation of the heat sink 10 is made more uniform, and the corrugation phenomenon on the outer surface of the heat spreader 1 is effectively avoided.

[0060] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A heat sink, characterized in that: It includes a bottom plate and a cover plate, wherein the bottom plate and the cover plate cooperate to form a receiving cavity; A plurality of copper bars are arranged in the receiving cavity; one side of the plurality of copper bars is connected to the bottom plate, and the other side of the plurality of copper bars is connected to the cover plate; The number of rows of the plurality of copper strips is not less than two, and the number of columns is not less than two; The copper bars in two adjacent rows are arranged in a staggered manner; the copper bars in two adjacent columns are arranged without gaps or partially overlap.

2. The vapor chamber according to claim 1, characterized in that: The plurality of copper bars are all arranged to be tilted to the right.

3. The vapor chamber according to claim 1, characterized in that: The plurality of copper bars are all arranged to be inclined to the left.

4. The vapor chamber according to claim 1, characterized in that: The copper strips in two adjacent rows are arranged in opposite inclination directions.

5. The vapor chamber according to claim 1, characterized in that: The copper bars in two adjacent columns are arranged in opposite inclination directions.

6. The vapor chamber according to claim 1, characterized in that: The copper bars are all arranged horizontally.

7. The vapor chamber according to claim 1, characterized in that: A plurality of first copper pillars are arranged in the receiving cavity; one end of the plurality of first copper pillars is connected to the bottom plate, and the other end is connected to the cover plate; The number of rows in which the plurality of first copper pillars are distributed is not less than two, and the number of columns in which the plurality of first copper pillars are distributed is not less than two; The first copper pillars in two adjacent rows are arranged alternately; The rows of the first copper pillars and the rows of the copper strips are arranged alternately in sequence.

8. The vapor chamber according to claim 7, characterized in that: A plurality of second copper pillars are arranged in the receiving cavity; one end of the plurality of second copper pillars is connected to the bottom plate, and the other end is connected to the cover plate; A plurality of the second copper columns are arranged around the outer side of the distribution area of ​​the copper strip.

9. The vapor chamber according to claim 7, characterized in that: A first groove is formed at one end of the heat spreader, and a plurality of third copper pillars are disposed at one end of the receiving cavity close to the first groove; one end of the plurality of third copper pillars is connected to the bottom plate, and the other end is connected to the cover plate.

10. The vapor chamber according to claim 9, characterized in that: A second groove is further formed at one end of the vapor chamber, and the first groove and the second groove are arranged at the same end of the vapor chamber.

11. The vapor chamber according to claim 1, characterized in that: The bottom plate is a plate with a concave middle portion to form a receiving groove, and the cover plate is a straight plate, with the concave side of the bottom plate facing the cover plate.

12. The vapor chamber according to claim 1, wherein: The bottom plate is a straight plate, the cover plate is a plate with a recessed middle portion to form a receiving groove, and the recessed side of the cover plate faces the bottom plate.

13. A heat sink, characterized in that: The heat spreader according to any one of claims 1 to 12 further comprises a heat sink and a heat sink copper sheet; One side of the heat dissipation copper sheet is connected to the heat dissipation plate, and the other side is connected to the heat spreader.

14. The heat sink according to claim 13, characterized in that A heat dissipation groove is provided on one side of the heat dissipation plate close to the heat dissipation copper sheet. The heat dissipation copper sheet is received in the heat dissipation groove. One side of the heat dissipation copper sheet is connected to the heat dissipation groove, and the other side is connected to one side of the bottom plate facing the heat dissipation plate.

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