CN108036664B - Pressure-resistant structure of heat dissipation device - Google Patents
Pressure-resistant structure of heat dissipation device Download PDFInfo
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- CN108036664B CN108036664B CN201711395795.0A CN201711395795A CN108036664B CN 108036664 B CN108036664 B CN 108036664B CN 201711395795 A CN201711395795 A CN 201711395795A CN 108036664 B CN108036664 B CN 108036664B
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- cavity
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- heat sink
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention provides a pressure-resistant structure of a heat dissipation device, which comprises: a body; the body is provided with a cavity and a bending part, the cavity is provided with a top side and a bottom side, a compression resistant part is arranged at the position, corresponding to the bending part, of the cavity, the bottom side of the cavity is provided with a capillary structure, two sides of the compression resistant part respectively abut against the top side of the cavity and the surface of the capillary structure, the cavity is filled with a working fluid, and the compression resistant part can prevent the steam cavity in the body with the bending R angle from deforming, reducing or damaging due to bending arrangement.
Description
Technical Field
The present invention relates to a compression-resistant structure of a heat dissipating device, and more particularly, to a compression-resistant structure of a heat dissipating device capable of ensuring that a steam chamber at a bent portion of the heat dissipating device having a bent structure is bent and still has a complete steam chamber.
Background
The main principle of the existing temperature equalizing plate and flat plate heat pipe system is that a vacuum airtight chamber is established inside the heat equalizing plate and a capillary structure and working liquid are arranged in the chamber, and the boiling point of the working liquid is lower than that of the working liquid in a common environment under a vacuum environment, so that vapor-liquid circulation can be rapidly carried out in the chamber, and the effects of rapid large-area heat conduction or far-end heat conduction and the like are achieved.
However, in order to meet the application of various fields, the vapor chamber or the flat plate heat pipe is no longer just the traditional flat plate shape, and the industry has shaped the vapor chamber or the flat plate heat pipe by bending, folding or curling, etc. to meet the application; when the temperature equalization plate or the flat plate heat pipe is shaped, the chamber inside the temperature equalization plate or the flat plate heat pipe used as a steam channel is forced to deform, so that the efficiency of steam-liquid circulation is affected, and a manufacturer uses a copper column as a support body, but the support body in a convex column shape cannot be arranged at a position with an excessive R angle or bending angle, so that the chamber cannot be supported to cause collapse or narrow phenomenon, moreover, the capillary structure at the bending part can also cause the conditions of warping or falling off due to bending, so that the heat conduction efficiency of the temperature equalization plate or the flat plate heat pipe is greatly reduced, and the failure is the first goal of the manufacturer in the field, so how to improve the existing defects is the first goal.
Disclosure of Invention
Therefore, to overcome the above-mentioned drawbacks of the prior art, the present invention provides a compression-resistant structure of a heat dissipation device for preventing collapse or retraction of an internal cavity at a bending position of a vapor-liquid heat pipe or a flat-plate heat pipe from affecting vapor-liquid circulation of a working fluid.
To achieve the above object, the present invention provides a compression-resistant structure of a heat dissipation device, comprising:
the body is provided with a cavity and a bending part, the cavity is provided with a top side and a bottom side, a compression resistant part is arranged at the position, corresponding to the bending part, of the cavity, a capillary structure is arranged at the bottom side of the cavity, two sides of the compression resistant part respectively abut against the top side of the cavity and the surface of the capillary structure, and working fluid is filled in the cavity.
The pressure-resistant structure of the heat dissipation device is characterized in that: the body is provided with a first plate body, a second plate body and a pipe body, the first plate body and the second plate body are correspondingly covered and combined, meanwhile, the pipe body is clamped, the cavity is defined jointly, and the pipe body is communicated with the cavity.
The pressure-resistant structure of the heat dissipation device is characterized in that: the first plate body and the second plate body are made of metal or ceramic, and the metal is made of any one of gold, silver, copper, aluminum, stainless steel and titanium.
The pressure-resistant structure of the heat dissipation device is characterized in that: the two ends of the bending part are respectively connected with a first extending part and a second extending part in an extending way, and an included angle is formed between the first extending part and the second extending part.
The pressure-resistant structure of the heat dissipation device is characterized in that: the bending part is provided with a bending fillet.
The pressure-resistant structure of the heat dissipation device is characterized in that: the capillary structure is a mesh or sintered powder or grooves or a fiber body.
The pressure-resistant structure of the heat dissipation device is characterized in that: the compression resistant part is metal or nonmetal, the metal is any one of copper, aluminum, stainless steel and titanium, and the nonmetal is rubber or plastic or other flexible substances.
The pressure-resistant structure of the heat dissipation device is characterized in that: the body is a main body of a temperature-equalizing plate or a main body of a flat-plate type heat pipe.
The pressure-resistant structure of the heat dissipation device is characterized in that: the pressure-resistant piece is provided with a first end and a second end, and the first end and the second end extend towards the first extending part and the second extending part connected with the bending part along the surfaces of the cavity and the capillary structure.
The pressure-resistant structure of the heat dissipation device is characterized in that: the compression-resistant piece is provided with a third end and a fourth end and is arranged on the bending part and transversely extends towards the body, and the compression-resistant piece is provided with at least one hole which is communicated with the cavity.
The pressure-resistant structure of the heat dissipation device is characterized in that: the pressure-resistant piece is provided with a first side and a second side, the width of the first side is larger than that of the second side, the first side is correspondingly abutted against the capillary structure, and the second side is correspondingly abutted against the surface of the cavity.
The pressure-resistant structure of the heat dissipation device is characterized in that: the upper side and the lower side of the outer part of the body are respectively defined with a heat absorption side and a condensation side, the heat absorption side is positioned at the other side of the bottom side of the cavity in the body, and the condensation side is positioned at the other side of the top side of the cavity in the body.
Compared with the prior art, the invention has the beneficial effects that: the pressure-resistant piece is completely arranged according to the cavity surface and the capillary surface of the bending part, so that the cavity at the bending part is stably supported, the capillary structure is prevented from warping, the cavity is kept complete, the phenomena of inward shrinkage or collapse and the like are avoided, and the vapor-liquid circulation stability operation of the working liquid in the cavity is ensured.
Drawings
Fig. 1 is an exploded perspective view of a first embodiment of a compression-resistant structure of a heat dissipation device according to the present invention;
FIG. 2 is a sectional view of the heat dissipating device according to the first embodiment of the pressure-resistant structure of the present invention;
FIG. 3 is an exploded perspective view of a second embodiment of the compression-resistant structure of the heat dissipating device of the present invention;
FIG. 4 is a sectional view of the heat dissipating device of the present invention showing a compression-resistant structure in a second embodiment;
FIG. 5 is a combined partial sectional view of a third embodiment of a compression resistant structure of the heat dissipating device of the present invention;
fig. 6 is a combined partial sectional view of a fourth embodiment of the pressure-resistant structure of the heat dissipating device of the present invention.
Description of reference numerals: a body 1; a chamber 11; a top side 11 a; a bottom side 11 b; a heat absorbing side 11 c; the condensation side 11 d; a bent portion 12; a compression resistant member 13; a first side 131; a second side 132; a first end 133; a second end 134; a third end 135; a fourth end 136; an aperture 137; a capillary structure 14; a working fluid 2; a first plate body 1 a; a second plate body 1 b; a tube body 1 c; a first extension portion 1 d; a second extension part 1 e; the included angle 1 f.
Detailed Description
The above objects, together with the structural and functional features thereof, are accomplished by the preferred embodiments according to the accompanying drawings.
Referring to fig. 1 and fig. 2, which are three-dimensional exploded and assembled cross-sectional views illustrating a compression-resistant structure of a heat dissipation device according to a first embodiment of the present invention, the compression-resistant structure of the heat dissipation device includes: a body 1;
the body 1 of this embodiment is a structural body 1 of a temperature equalizing plate, the body 1 has a cavity 11 and a bending portion 12, the cavity 11 has a top side 11a and a bottom side 11b, a pressure-resistant member 13 is disposed at a position of the cavity 11 corresponding to the bending portion 12, a capillary structure 14 is disposed at the bottom side 11b of the cavity 11, two sides of the pressure-resistant member 13 respectively abut against the top side 11a of the cavity 11 and the surface of the capillary structure 14, and a working fluid 2 is filled in the cavity 11.
The upper and lower sides of the exterior of the body 1 respectively define a heat absorption side 11c and a condensation side 11d, namely, both sides of the compression resisting part 13 are attached to the surface of the top side 11a of the cavity 11 corresponding to the bending part 12 and the surface of the capillary structure 14 disposed at the bending part 12, the two ends of the pressure-resistant member 13 extend along the surface of the cavity 11 toward the two ends of the bent portion 12, the compression-resistant piece 13 is (any one of a mesh body or a fiber body or sintered powder or solid convex ribs), the compression-resistant piece 13 is metal (copper, aluminum, stainless steel, titanium) or nonmetal (rubber or plastic or a substance with flexibility, etc.), the capillary structure 14 is any one of a mesh body or sintered powder or grooves or a fiber body, the heat absorption side 11c is located at the other side of the bottom side 11b of the cavity 11 inside the body 1, the condensation side 11b is located at the other side of the top side 11a of the internal cavity 11 of the body 1.
The body 1 is provided with a first plate body 1a, a second plate body 1b and a tube body 1c, the first plate body 1a and the second plate body 1b are correspondingly covered and combined, meanwhile, the tube body 1c is clamped, the cavity 11 is defined jointly, the tube body 1c is communicated with the cavity 11, the first plate body 1a and the second plate body 1b are made of any one of metal materials or ceramic materials, and the metal materials are any one of gold, silver, copper, aluminum, stainless steel and titanium materials.
The two ends of the bending portion 12 of the body 1 are provided with a first extending portion 1d and a second extending portion 1e, the two ends of the bending portion 12 are respectively connected to the first and second extending portions 1d, 1e, and an included angle 1f is formed between the first and second extending portions 1d, 1e, the bending portion 12 is a curved rounded corner, the compression-resistant member 13 is provided with a first end 133 and a second end 134, and the first and second ends 133, 134 are extended along the longitudinal direction of the cavity 11 and the capillary structure 14 toward the first and second extending portions 1d, 1e connected to the bending portion 12.
Please refer to fig. 3 and fig. 4, which are three-dimensional exploded and assembled cross-sectional views of a second embodiment of a compression-resistant structure of a heat dissipation apparatus of the present invention, as shown in the figures, part of the structure of the present embodiment is the same as that of the first embodiment, and therefore will not be described herein again, but the difference between the present embodiment and the first embodiment is that the main body 1 is a main body of a flat heat pipe, and the compression-resistant member 13 is disposed at the bending portion 12, so that a steam channel of the chamber 11 at the bending portion 12 of the flat heat pipe is kept smooth and is not contracted or collapsed, and the overall structural strength is further improved.
Please refer to fig. 5, which is a perspective view of a compression-resistant member of a compression-resistant structure of a heat dissipating device of the present invention, as shown in the figure, part of the structure of this embodiment is the same as that of the first embodiment, and therefore will not be described herein again, but the difference between this embodiment and the first embodiment is that the compression-resistant member 13 has a third end 135 and a fourth end 136 disposed on the bending portion 12 and extending along the transverse direction of the body 1, and the compression-resistant member 13 has at least one hole 137, and the at least one hole 137 is communicated with the cavity 11.
Please refer to fig. 6, which is a perspective view of a pressure-resistant member of a pressure-resistant structure of a heat dissipating device of the present invention, as shown in the figure, part of the structure of the present embodiment is the same as that of the first embodiment, and therefore will not be described herein again, and the difference between the present embodiment and the first embodiment is that the pressure-resistant member 13 has a first side 131 and a second side 132, the width of the first side 131 is greater than that of the second side 132, the first side 131 correspondingly abuts against the capillary structure 14, and the second side 132 correspondingly abuts against the surface of the chamber 11.
The invention mainly aims to improve the structural strength by arranging the upper plate body and the lower plate body which are completely attached to the bending part in advance at the bending part of the temperature-equalizing plate or the flat plate type heat pipe so as to support the cavity, thereby preventing the cavity at the bending part from collapsing or causing pipe shrinkage and making the cavity used as a steam channel lose effectiveness.
Claims (11)
1. The utility model provides a heat abstractor compressive structure, characterized by contains:
the body is provided with a cavity and a bending part, the cavity is provided with a top side and a bottom side, a compression resistant part is arranged at the position, corresponding to the bending part, of the cavity, the bottom side of the cavity is provided with a capillary structure, two sides of the compression resistant part respectively abut against the top side of the cavity and the surface of the capillary structure, the cavity is filled with working fluid, and the compression resistant part is any one of a grid body, a fiber body, sintered powder or a solid convex rib;
the compression-resistant piece is provided with a third end and a fourth end and is arranged on the bending part and transversely extends towards the body, and the compression-resistant piece is provided with at least one hole which is communicated with the cavity.
2. The heat sink compression-resistant structure according to claim 1, wherein: the body is provided with a first plate body, a second plate body and a pipe body, the first plate body and the second plate body are correspondingly covered and combined, meanwhile, the pipe body is clamped, the cavity is defined jointly, and the pipe body is communicated with the cavity.
3. The heat sink compression-resistant structure according to claim 2, wherein: the first plate body and the second plate body are made of metal or ceramic, and the metal is made of any one of gold, silver, copper, aluminum, stainless steel and titanium.
4. The heat sink compression-resistant structure according to claim 1, wherein: the two ends of the bending part are respectively connected with a first extending part and a second extending part in an extending way, and an included angle is formed between the first extending part and the second extending part.
5. The heat sink compression-resistant structure according to claim 1, wherein: the bending part is provided with a bending fillet.
6. The heat sink compression-resistant structure according to claim 1, wherein: the capillary structure is a mesh or sintered powder or grooves or a fiber body.
7. The heat sink compression-resistant structure according to claim 1, wherein: the compression resistant part is metal or nonmetal, the metal is any one of copper, aluminum, stainless steel and titanium, and the nonmetal is rubber or plastic or other flexible substances.
8. The heat sink compression-resistant structure according to claim 1, wherein: the body is a main body of a temperature-equalizing plate or a main body of a flat-plate type heat pipe.
9. The heat sink compression-resistant structure according to claim 4, wherein: the pressure-resistant piece is provided with a first end and a second end, and the first end and the second end extend towards the first extending part and the second extending part connected with the bending part along the surfaces of the cavity and the capillary structure.
10. The heat sink compression-resistant structure according to claim 1, wherein: the pressure-resistant piece is provided with a first side and a second side, the width of the first side is larger than that of the second side, the first side is correspondingly abutted against the capillary structure, and the second side is correspondingly abutted against the surface of the cavity.
11. The heat sink compression-resistant structure according to claim 1, wherein: the upper side and the lower side of the outer part of the body are respectively defined with a heat absorption side and a condensation side, the heat absorption side is positioned at the other side of the bottom side of the cavity in the body, and the condensation side is positioned at the other side of the top side of the cavity in the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395795.0A CN108036664B (en) | 2017-12-21 | 2017-12-21 | Pressure-resistant structure of heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395795.0A CN108036664B (en) | 2017-12-21 | 2017-12-21 | Pressure-resistant structure of heat dissipation device |
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| Publication Number | Publication Date |
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| CN108036664A CN108036664A (en) | 2018-05-15 |
| CN108036664B true CN108036664B (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711395795.0A Active CN108036664B (en) | 2017-12-21 | 2017-12-21 | Pressure-resistant structure of heat dissipation device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163588B (en) * | 2018-08-03 | 2020-10-02 | 浙江嘉熙科技有限公司 | Small arc bending heat superconducting heat transfer plate structure and manufacturing method thereof |
| CN109890174A (en) * | 2018-12-14 | 2019-06-14 | 奇鋐科技股份有限公司 | Center radiator structure |
| US11516940B2 (en) | 2018-12-25 | 2022-11-29 | Asia Vital Components Co., Ltd. | Middle bezel frame with heat dissipation structure |
| WO2022107479A1 (en) * | 2020-11-19 | 2022-05-27 | 株式会社村田製作所 | Heat spreading device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2567541Y (en) * | 2002-09-11 | 2003-08-20 | 徐惠群 | Plate heat tube structure capable of bending |
| CN2580604Y (en) * | 2002-10-16 | 2003-10-15 | 徐惠群 | Anti-high voltage strain and curvable plate heat pipe |
| CN2762508Y (en) * | 2004-12-22 | 2006-03-01 | 珍通科技股份有限公司 | Bent type radiating plate |
| CN201540050U (en) * | 2009-09-29 | 2010-08-04 | 索士亚科技股份有限公司 | Tabulate heat pipe |
| CN202335183U (en) * | 2011-11-02 | 2012-07-11 | 奇鋐科技股份有限公司 | Capillary structure of vapor chamber |
| CN107529315B (en) * | 2016-06-15 | 2021-07-30 | 台达电子工业股份有限公司 | Temperature equalizing plate and heat dissipating device |
| US11306974B2 (en) * | 2016-06-15 | 2022-04-19 | Delta Electronics, Inc. | Temperature plate and heat dissipation device |
| CN207703057U (en) * | 2017-12-21 | 2018-08-07 | 奇鋐科技股份有限公司 | Radiator compression-resistant structure |
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2017
- 2017-12-21 CN CN201711395795.0A patent/CN108036664B/en active Active
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