CN109699164B - Plate type heat pipe radiating shell - Google Patents
Plate type heat pipe radiating shell Download PDFInfo
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- CN109699164B CN109699164B CN201910149249.1A CN201910149249A CN109699164B CN 109699164 B CN109699164 B CN 109699164B CN 201910149249 A CN201910149249 A CN 201910149249A CN 109699164 B CN109699164 B CN 109699164B
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- cavity
- fin
- flat plate
- plate
- heat pipe
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- 230000017525 heat dissipation Effects 0.000 claims description 45
- 239000012530 fluid Substances 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 description 14
- 230000007704 transition Effects 0.000 description 10
- 239000007788 liquid Substances 0.000 description 7
- 239000007791 liquid phase Substances 0.000 description 6
- 210000001624 hip Anatomy 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000007792 gaseous phase Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20327—Accessories for moving fluid, for connecting fluid conduits, for distributing fluid or for preventing leakage, e.g. pumps, tanks or manifolds
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20336—Heat pipes, e.g. wicks or capillary pumps
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
- H05K7/20418—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing the radiating structures being additional and fastened onto the housing
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a plate heat pipe radiating shell which comprises a plate heat pipe and a side plate which are connected with each other, wherein the plate heat pipe comprises a flat plate part and a plurality of fin parts arranged on the flat plate part, the flat plate part is provided with a first cavity, each fin part is provided with a second cavity, each second cavity is communicated with the first cavity, the flat plate part and the side plate are enclosed to form a containing cavity, a heat source is arranged in the containing cavity, and the fin parts are positioned outside the containing cavity. The plate type heat pipe radiating shell adopts a structure that the plate type heat pipe is combined with the side plates, can be used as a radiating shell of a heat source while realizing high-efficiency radiating, reduces contact thermal resistance compared with the traditional structure, and meets the radiating requirement of the surface of high-power equipment.
Description
Technical Field
The invention relates to the technical field of heat dissipation, in particular to a plate type heat pipe heat dissipation shell.
Background
With the gradual development of electronic components toward miniaturization, high power and high performance, the heat dissipation problem is gradually a bottleneck problem restricting the development of high-integration electronic components along with higher heat flux density in the development process. The flat heat pipe can rapidly transfer and spread the heat source with high heat density due to high heat conductivity and good temperature uniformity, meets the requirements of electronic equipment on the compactness, reliability, flexibility and the like of a heat dissipation device, and gradually becomes an excellent choice for researching and solving the surface heat dissipation problem of high-power equipment.
At present, the flat heat pipe is applied to replace the fins of the traditional pure metal heat dissipation shell, and the heat source is arranged in the heat dissipation shell, so that the heat resistance between the heat source and the air can be reduced to the maximum extent, and the heat convection and heat radiation on the surface of the heat sink are effectively enhanced. However, the application of the fins is limited to the form of being mounted on the base plate of the heat dissipation housing, and when the base plate is a flat heat pipe and the fins are metal fins, the heat dissipation capability of the fins is limited; when the substrate is a metal plate and the fins are flat heat pipes, the heat transfer capability of the substrate is poor. The above two connection structures can lead to the temperature uniformity of the heat dissipation shell to be reduced, so that the heat dissipation capacity of the heat dissipation shell is poor and the heat dissipation requirement cannot be met.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: in order to overcome the problems in the prior art, a plate type heat pipe heat dissipation shell which has good heat dissipation effect and is used as a heat dissipation shell of a heat source is provided.
The technical scheme adopted for solving the technical problems is as follows: the plate heat pipe heat dissipation shell comprises a plate heat pipe and a side plate which are connected with each other, wherein the plate heat pipe comprises a flat plate part and a plurality of fin parts arranged on the flat plate part, the flat plate part is provided with a first cavity, each fin part is provided with a second cavity, each second cavity is communicated with the first cavity, the flat plate part and the side plate are enclosed to form a containing cavity, a heat source is arranged in the containing cavity, and the fin parts are positioned outside the containing cavity.
Further, the bottom wall of the accommodating cavity is formed by the flat plate part, and the fin part is connected with the flat plate part corresponding to the bottom wall of the accommodating cavity.
Further, connecting portions are arranged between the flat plate portions and each fin portion, the connecting portions are communicated with the flat plate portions and the fin portions, each connecting portion comprises a first connecting portion and a second connecting portion, a bending line is formed between the first connecting portions and the second connecting portions, the first connecting portions are isosceles right triangles, the second connecting portions are right trapezoids, an included angle between a long side of each right trapezoid and one waist is 45 degrees, and the other waist of each right trapezoid and one right angle side of each isosceles right triangle are formed by the bending line.
Further, the side plate is of a frame structure, and is matched with the flat plate part and arranged at the edge of one side of the flat plate part far away from the fins, or is of an integrated structure.
Further, the bottom wall of the accommodating cavity is formed by the flat plate part, and the fin part is connected with the flat plate part corresponding to the side wall of the accommodating cavity.
Further, the side plates are of frame structures, the side walls of the accommodating cavities are formed by the side plates, and the fin portions are located outside the accommodating cavities corresponding to the side plates.
Further, the fin portion has two sets of, two sets of fin portion set up respectively the outside of curb plate opposite both sides, every group fin portion all has a plurality of and the interval arrangement setting, the dull and stereotyped portion is located two sets of between the fin portion.
Further, the fin portion is in contact with the side plate, and an included angle is formed between the fin portion and the side plate.
Further, a plurality of isolated parts are arranged in the first cavity and/or the second cavity, and the isolated parts divide the corresponding first cavity and/or the second cavity to form a plurality of fluid channels which are communicated with each other.
Further, the isolated part is a punctiform structure or a block structure arranged in the first cavity and/or the second cavity, and the isolated part is formed by bonding corresponding side walls of the first cavity and/or the second cavity.
The beneficial effects of the invention are as follows: the plate type heat pipe radiating shell provided by the invention adopts a structure that the plate type heat pipe is combined with the side plate, so that the plate type heat pipe radiating shell can be used as a radiating shell of a heat source while realizing high-efficiency heat radiation, and compared with the traditional structure, the plate type heat pipe radiating shell reduces contact thermal resistance and meets the radiating requirement of the surface of high-power equipment.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a perspective view of a plate heat pipe heat dissipation housing according to a first embodiment of the present invention;
FIG. 2 is a bottom view of the plate heat pipe heat dissipation housing of FIG. 1;
FIG. 3 is a cross-sectional view of the plate heat pipe heat dissipation housing of FIG. 2 taken along line A-A;
FIG. 4 is a front view of the plate heat pipe heat dissipation housing of FIG. 1;
FIG. 5 is a left side view of the plate heat pipe heat dissipation housing of FIG. 1;
FIG. 6 is a cross-sectional view of the plate heat pipe heat dissipation housing of FIG. 5 taken along line B-B;
fig. 7 is a perspective view of a plate heat pipe heat dissipation housing according to a second embodiment of the present invention;
fig. 8 is a bottom view of the plate heat pipe heat dissipation housing of fig. 7.
In the figure, the names and numbers of the parts are respectively as follows:
first cavity 101 of plate portion 10 of plate heat pipe 100
Fin portion 20 of island 103 of transition cavity 301
Second cavity 201 second connection 32 first connection 31
Connecting part 30 of side plate 200 of accommodating cavity 40
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the invention only by way of illustration, and therefore it shows only the constitution related to the invention.
Example 1
Referring to fig. 1, 3 and 6, a first embodiment of the present invention provides a heat dissipation housing of a plate heat pipe for mounting a heat source (e.g. an electronic component or an electronic device) and transferring and diffusing heat of the heat source, the heat dissipation housing of the plate heat pipe includes a plate heat pipe 100 and a side plate 200 connected to each other, the plate heat pipe 100 includes a plate portion 10 and a plurality of fin portions 20 disposed on the plate portion 10, a first cavity 101 is disposed on the plate portion 10, a second cavity 201 is disposed on each fin portion 20, each second cavity 201 is communicated with the first cavity 101, a closed cavity (not shown) is disposed on the plate heat pipe, the closed cavity includes a first cavity 101 and a second cavity 210, a phase change working medium (not shown) is filled in the closed cavity, the plate portion 10 and the side plate 200 enclose to form a receiving cavity 40, the heat source is disposed in the receiving cavity 40, and the fin portions 20 are disposed outside the receiving cavity 40. When the liquid phase-change working medium in the first cavity 101 absorbs heat of a heat source and then is vaporized, the gaseous phase-change working medium rapidly expands and fills the whole closed cavity, and when the gaseous phase-change working medium in the second cavity 201 dissipates heat at the fin part 20, the gaseous phase-change working medium is liquefied, and then the liquid phase-change working medium flows back into the first cavity 101.
In addition, the first cavity 101 and the second cavity 201 are provided with fluid channels (not shown), and after the liquid phase change working medium in the first cavity 101 absorbs the heat of the heat source and is vaporized, the gaseous phase change working medium can rapidly expand along the fluid channels so as to fill the whole closed cavity. Specifically, a plurality of isolated parts 103 are disposed in the first cavity 101 and the second cavity 201, the isolated parts 103 in the first cavity 101 partition the first cavity 101 to form a plurality of mutually communicated fluid channels, and the isolated parts 103 in the second cavity 201 partition the second cavity 201 to form a plurality of mutually communicated fluid channels. Specifically, the isolated portion 103 has a dot-like or block-like structure provided in the first cavity 101 and the second cavity 201, and the isolated portion 103 is formed by bonding the sidewalls of the first cavity 101 and the second cavity 201. In addition, the width of the fluid channel is 2-10mm, so that the gaseous phase change working medium can flow rapidly along the fluid channel, and meanwhile, the liquid phase change working medium in the second cavity 201 can flow into the first cavity 101 along the fluid channel. Preferably, the width of the fluid channel in this embodiment is 4mm.
It will be appreciated that in other embodiments not shown, the isolated portion 103 in the first cavity 101 or the isolated portion 103 in the second cavity 201 may be omitted, and in this case, the isolated portions 103 separate the corresponding first cavity 101 and/or second cavity 201 to form a plurality of fluid channels communicating with each other. The isolated part 103 is a dot-shaped structure or a block-shaped structure arranged in the first cavity 101 and/or the second cavity 201, and the isolated part 103 is formed by bonding corresponding side walls of the first cavity 101 and/or the second cavity 201.
Referring to fig. 4 and 5, the flat plate portion 10 is generally in a plate-shaped structure, the fin portion 20 is in a strip-shaped flat plate-shaped structure, the fin portions 20 are disposed on one side of the flat plate portion 10 and are parallel to each other, an included angle α is formed between the fin portion 20 and the flat plate portion 10, and the included angle α is more than 0 ° and less than 180 °, so that a three-dimensional structure is formed between the fin portion 20 and the flat plate portion 10, and further, the heat dissipation efficiency is improved.
In this embodiment, the flat plate portion 10 and the fin portion 20 are integrally formed, so that contact thermal resistance is reduced, and in addition, the structure is compact and the processing is facilitated. It will be appreciated that in other embodiments not shown, the plate portion 10 and the fin portion 20 may be separate components, and the plate portion 10 and the fin portion 20 need only be connected when in use. In addition, a connecting portion 30 is disposed between the flat plate portion 10 and each fin portion 20, a transition cavity 301 is disposed in the connecting portion 30, the transition cavity 301 is communicated with the first cavity 101 and the second cavity 201, the connecting portion 30 includes a first connecting portion 31 and a second connecting portion 32 which are connected to each other, the first connecting portion 31 is provided with a first communicating cavity, the second connecting portion 32 is provided with a second communicating cavity, the transition cavity 301 includes the first communicating cavity and the second communicating cavity, specifically, the first connecting portion 31 is connected with the flat plate portion 10 and the first communicating cavity is communicated with the first cavity 101, the second connecting portion 32 is connected with the fin portion 20 and the second communicating cavity is communicated with the second cavity 201. A bending angle (not shown) is formed between the first connecting portion 31 and the second connecting portion 32, and a bending line (not shown) is formed between the first connecting portion 31 and the second connecting portion 32. Through setting up connecting portion 30, can conveniently bend the operation to fin portion 20, promptly, only need bend the operation to connecting portion 30, alright make and form an contained angle between fin portion 20 and the dull and stereotyped portion 10, simultaneously, the contained angle alpha that bends is the same with contained angle alpha between dull and stereotyped portion 10 and the fin portion 20, thereby through bending the operation to connecting portion 30 so that form contained angle alpha between dull and stereotyped portion 10 and the fin portion 20.
In this embodiment, the first connection portion 31 is an isosceles right triangle, the second connection portion 32 is a right trapezoid, an included angle between a long side of the right trapezoid and one of the waists is 45 °, and the other one of the waists (i.e., the right-angle waist) of the right trapezoid and one right-angle side of the isosceles right triangle are both formed by the bending lines. Specifically, a hatched portion formed by a broken line in fig. 2 is the first connection portion 31, and a hatched portion formed by a broken line in fig. 5 is the second connection portion 32.
In addition, the closed cavity further comprises a transition cavity 301, and the transition cavity 301 is processed by adopting a blowing-up process. To facilitate the formation of the transition cavity 301, the height h of the transition cavity 301 is 0.3-2mm, the width w of the transition cavity 301 is 2-20mm, and w > 3h is satisfied. Preferably, in this embodiment, h=0.75 mm, w=4 mm. When r is a bending radius of the connecting portion 30 and r is smaller than 5mm and smaller than 10mm, h= (0.1-0.15) ×r or h=0.3 mm, and h is a larger value of the two; when 10mm < r < 30mm, h= (0.05-0.1) ×r. In addition, the width of the transition cavity 301 on the connection portion 30 from the edge of the connection portion 30 is not less than 5mm.
It will be appreciated that in other embodiments not shown, the connecting portion 30 may also be omitted, in which case the fin portion 20 is directly connected to the plate portion 10, in which case the closed cavity is formed by the first cavity 101 and the second cavity 201.
The closed cavity is in a negative pressure state, so that the boiling point of the liquid phase change working medium in the negative pressure state is reduced, the phase change working medium is facilitated to be quickly evaporated after being heated, and heat is timely transferred to the fin portion 20 for heat dissipation. It is understood that the phase change working fluid includes, but is not limited to, water, alcohol, and propanol. In addition, because the closed cavity is an integral communication channel, the phase change working medium does not need to be filled into the first cavity 101 and the second cavity 201 respectively, and only one-time filling is needed, so that the filling efficiency is improved, and the filling cost is saved. In addition, in the non-heat-dissipation working state, the liquid level of the phase-change working medium is lower than the upper edge of the first cavity 101.
In this embodiment, the first cavities 101 are two and disposed on opposite sides of the flat plate portion 10, the plurality of fin portions 20 are sequentially disposed between the two first cavities 101 at intervals, and one end of the second cavity 201 on each fin portion 20 is communicated with one of the first cavities 101, and the other end of the second cavity 201 is communicated with the other first cavity 101, thereby enabling the first cavity 101 on the flat plate portion 10 to be communicated with the second cavity 201 on the fin portion 20.
In this embodiment, the side plate 200 is a frame structure, the side plate 200 is matched with the flat plate 10, and the side plate 200 is disposed at an edge of one side of the flat plate 10 away from the fin portion 20, so that a space enclosed between the side plate 200 and the flat plate 10 forms the accommodating cavity 40, wherein a bottom wall of the accommodating cavity 40 is formed by the flat plate 10, a side wall of the accommodating cavity 40 is formed by the side plate 200, one end of the accommodating cavity 40 opposite to the flat plate 10 is an open end, and the bottom wall of the corresponding accommodating cavity 40 of the fin portion 20 is connected with the flat plate 10. In addition, the accommodating chamber 40 communicates with the heat dissipation space 202, thereby enabling a portion of the heat within the accommodating chamber 40 to flow out to the outside of the accommodating chamber 40 via the heat dissipation space 202.
When the heat source is used, the heat source is arranged in the accommodating cavity 40, the heat source is attached to the flat plate part 10 corresponding to the first cavity 101, when the phase-change working medium in the first cavity 101 is heated, the phase-change working medium is quickly heated and vaporized, the gaseous phase-change working medium fills the whole closed cavity under the action of heat diffusion, after the fin part 20 is cooled, heat in the gaseous phase-change working medium is radiated outwards through the fin part 20, the gaseous phase-change working medium is cooled and liquefied, the liquid phase-change working medium flows back into the first cavity 101, and the heat source is continuously conducted. It should be noted that, preferably, when the plate heat pipe heat dissipation housing of the present invention is used, it needs to satisfy that the fin portion 20 is located above the flat plate portion 10, so when the gaseous phase change working medium is liquefied when meeting cold at the fin portion 20 to generate the liquid phase change working medium, the liquid phase change working medium can automatically flow back into the first cavity 101 of the substrate 10 under the action of gravity, so as to accelerate the flow speed of the liquid phase change working medium, further improve the phase change speed of the working medium, and improve the heat exchange efficiency.
In this embodiment, the side plate 200 and the flat plate portion 10 are integrally formed, which is simple in structure, convenient for processing, and capable of effectively improving production efficiency. It will be appreciated that in other embodiments not shown, the side plate 200 and the flat plate 10 are separate components, and only need to be connected when in use.
The plate heat pipe heat dissipation shell provided by the embodiment of the invention adopts the structure of combining the plate heat pipe 100 and the side plate 200, can be used as a heat dissipation shell of a heat source while realizing high-efficiency heat dissipation, reduces contact thermal resistance compared with the traditional structure, and meets the heat dissipation requirement of the surface of high-power equipment.
Example two
Referring to fig. 7 and 8, the difference between the plate heat pipe heat dissipation housing provided by the second embodiment of the present invention and the first embodiment is that: unlike the first embodiment in which the bottom wall of the corresponding accommodating chamber 40 of the fin portion 20 is connected to the flat plate portion 10, the side wall of the corresponding accommodating chamber 40 of the fin portion 20 is connected to the flat plate portion 10.
Specifically, the plate heat pipe 100 includes a plate portion 10 and a plurality of fin portions 20 disposed on the plate portion 10, a first cavity 101 is disposed on the plate portion 10, a second cavity 201 is disposed on each fin portion 20, each second cavity 201 is communicated with the first cavity 101, the first cavity 101 and the second cavity 201 form a part of a closed cavity (not shown in the drawings), a phase-change working medium (not shown in the drawings) is filled in the closed cavity, the plate heat pipe 100 and the side plates 200 enclose to form a containing cavity 40, a heat source is disposed in the containing cavity 40, the fin portions 20 are located outside the containing cavity 40, and part of the cavity wall of the containing cavity 40 is formed by the plate portion 10. When the liquid phase-change working medium in the first cavity 101 absorbs heat of a heat source and then is vaporized, the gaseous phase-change working medium rapidly expands and fills the whole closed cavity, and when the gaseous phase-change working medium in the second cavity 201 dissipates heat at the fin part 20, the gaseous phase-change working medium is liquefied, and then the liquid phase-change working medium flows back into the first cavity 101.
In this embodiment, the side plate 200 is in a frame structure, the side plate 200 is matched with the flat plate portion 10, and the side plate 200 is disposed at an edge of one side of the flat plate portion 10 away from the fin portion 20, so that a space enclosed between the side plate 200 and the flat plate portion 10 forms the accommodating cavity 40, wherein a bottom wall of the accommodating cavity 40 is formed by the flat plate portion 10, a side wall of the accommodating cavity 40 is formed by the side plate 200, and one end of the accommodating cavity 40 opposite to the flat plate portion 10 is an open end.
The fin portions 20 have two groups, the two groups of fin portions 20 are respectively arranged outside two opposite sides of the side plate 200, each group of fin portions 20 has a plurality of fin portions and is arranged at intervals, and the flat plate portion 10 is positioned between the two groups of fin portions 20. In addition, the fin portion 20 is disposed in contact with the side plate 200, so that the fin portion 20 can be reinforced while the heat transfer function is realized, and the connection stability of the fin portion 20 is improved. In addition, an included angle is formed between the fin portion 20 and the side plate 200, and in this embodiment, the included angle between the fin portion 20 and the side plate 200 is 90 °.
When the heat source is used, the heat source is arranged in the accommodating cavity 40, the heat source is attached to the flat plate part 10 corresponding to the first cavity 101, when the phase-change working medium in the first cavity 101 is heated, the phase-change working medium is quickly heated and vaporized, the gaseous phase-change working medium fills the whole closed cavity under the action of heat diffusion, after the fin part 20 is cooled, heat in the gaseous phase-change working medium is radiated outwards through the fin part 20, the gaseous phase-change working medium is cooled and liquefied, the liquid phase-change working medium flows back into the first cavity 101, and the heat source is continuously conducted.
In addition, the structures and the arrangement of the isolated portions 103 on the flat plate portion 10 and the fin portion 20 are the same as those of the first embodiment, and will not be described here again.
The plate heat pipe heat dissipation shell provided by the second embodiment of the invention also adopts a structure of combining the plate heat pipe 100 and the side plate 200, so that the plate heat pipe heat dissipation shell can be used as a heat source heat dissipation shell while realizing high-efficiency heat dissipation, and compared with the traditional structure, the plate heat pipe heat dissipation shell reduces contact thermal resistance and meets the heat dissipation requirement of the surface of high-power equipment.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (9)
1. A plate heat pipe heat dissipation casing, its characterized in that: the plate heat pipe radiating shell comprises a plate heat pipe and a side plate which are connected with each other, the plate heat pipe comprises a flat plate part and a plurality of fin parts arranged on the flat plate part, the flat plate part is provided with a first cavity, each fin part is provided with a second cavity, each second cavity is communicated with the first cavity, the flat plate part and the side plate are enclosed to form a containing cavity, a heat source is arranged in the containing cavity, and the fin parts are positioned outside the containing cavity; the flat plate part and the fin parts are of an integrated structure, connecting parts are arranged between the flat plate part and each fin part, the connecting parts are communicated with the flat plate part and the fin parts, each connecting part comprises a first connecting part and a second connecting part, a bending line is formed between each first connecting part and each second connecting part, each first connecting part is of an isosceles right triangle shape, each second connecting part is of a right trapezoid shape, an included angle between the long side of each right trapezoid and one waist of each right trapezoid is 45 degrees, the other waist of each right trapezoid and one right angle side of each isosceles right triangle are formed by the bending line, and each connecting part is bent along the bending line, so that an included angle alpha is formed between the flat plate part and each fin part.
2. A plate heat pipe heat dissipating housing as defined in claim 1, wherein: the bottom wall of the accommodating cavity is formed by the flat plate part, and the fin part is connected with the flat plate part corresponding to the bottom wall of the accommodating cavity.
3. A plate heat pipe heat dissipating housing as defined in claim 2, wherein: the side plate is of a frame structure, is matched with the flat plate part and is arranged at the edge of one side of the flat plate part far away from the fins, or is of an integrated structure.
4. A plate heat pipe heat dissipating housing as defined in claim 1, wherein: the bottom wall of the accommodating cavity is formed by the flat plate part, and the fin part is connected with the flat plate part corresponding to the side wall of the accommodating cavity.
5. A plate heat pipe heat dissipating housing as defined in claim 4, wherein: the side plates are of frame structures, the side walls of the accommodating cavities are formed by the side plates, and the fin parts are located outside the accommodating cavities corresponding to the side plates.
6. A plate heat pipe heat dissipating housing as defined in claim 5, wherein: the fin parts are provided with two groups, the two groups of fin parts are respectively arranged outside two opposite sides of the side plate, each group of fin parts are provided with a plurality of fin parts which are arranged at intervals, and the flat plate part is positioned between the two groups of fin parts.
7. A plate heat pipe heat dissipating housing as defined in claim 5, wherein: the fin portions are in contact with the side plates, and an included angle is formed between the fin portions and the side plates.
8. A plate heat pipe heat dissipating housing as defined in claim 1, wherein: a plurality of isolated parts are arranged in the first cavity and/or the second cavity, and the isolated parts divide the corresponding first cavity and/or the second cavity to form a plurality of fluid channels which are communicated with each other.
9. A plate heat pipe heat dissipating housing as defined in claim 8, wherein: the isolated part is a punctiform structure or a block structure arranged in the first cavity and/or the second cavity, and is formed by bonding corresponding side walls of the first cavity and/or the second cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149249.1A CN109699164B (en) | 2019-02-28 | 2019-02-28 | Plate type heat pipe radiating shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149249.1A CN109699164B (en) | 2019-02-28 | 2019-02-28 | Plate type heat pipe radiating shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109699164A CN109699164A (en) | 2019-04-30 |
| CN109699164B true CN109699164B (en) | 2023-10-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910149249.1A Active CN109699164B (en) | 2019-02-28 | 2019-02-28 | Plate type heat pipe radiating shell |
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| CN110351991B (en) * | 2019-07-22 | 2020-10-27 | 浙江嘉熙科技有限公司 | Heat transfer substrate and radiator structure |
| CN114190054B (en) * | 2021-11-16 | 2024-06-28 | 深圳市英维克科技股份有限公司 | Radiating fin and thermosiphon radiator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103429061A (en) * | 2013-09-04 | 2013-12-04 | 中山佳一电子技术有限公司 | Empty-belly heat pipe radiator |
| CN204100197U (en) * | 2014-08-30 | 2015-01-14 | 永和阳光（湖南）生物科技有限公司 | The light source radiating device of automatic biochemistry analyzer |
| CN205317026U (en) * | 2016-01-26 | 2016-06-15 | 朱成恩 | Heat dissipation wing |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103429061A (en) * | 2013-09-04 | 2013-12-04 | 中山佳一电子技术有限公司 | Empty-belly heat pipe radiator |
| CN204100197U (en) * | 2014-08-30 | 2015-01-14 | 永和阳光（湖南）生物科技有限公司 | The light source radiating device of automatic biochemistry analyzer |
| CN205317026U (en) * | 2016-01-26 | 2016-06-15 | 朱成恩 | Heat dissipation wing |
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Effective date of registration: 20230522 Address after: 213176 No.20, Jiandong Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Applicant after: CHANGZHOU HENGCHUANG HEAT MANAGEMENT Co.,Ltd. Address before: 213000 Jiandong village, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Applicant before: CHANGZHOU CHANGFA REFRIGERATION TECHNOLOGY Co.,Ltd. |
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Address after: 213176 No.20, Jiandong Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Hengchuang Thermal Management System Co.,Ltd. Country or region after: China Address before: 213176 No.20, Jiandong Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU HENGCHUANG HEAT MANAGEMENT Co.,Ltd. Country or region before: China |