CN112188809A - Composite superconducting flat heat pipe and heat circulation heat dissipation method thereof - Google Patents
Composite superconducting flat heat pipe and heat circulation heat dissipation method thereof Download PDFInfo
- Publication number
- CN112188809A CN112188809A CN202011089573.8A CN202011089573A CN112188809A CN 112188809 A CN112188809 A CN 112188809A CN 202011089573 A CN202011089573 A CN 202011089573A CN 112188809 A CN112188809 A CN 112188809A
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- superconducting flat
- composite superconducting
- flat heat
- composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
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
- H05K7/20336—Heat pipes, e.g. wicks or capillary pumps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/427—Cooling by change of state, e.g. use of heat pipes
Abstract
The invention provides a composite superconducting flat heat pipe, which comprises a micro-groove group array pipe and a composite capillary structure component, wherein the pipe of the micro-groove group array pipe is pumped into negative pressure and then is filled with working liquid for sealing, and the negative pressure range is 1.0 multiplied by 10‑2～1.0×10‑3Pa, wherein the working liquid is heated at the evaporation end of the micro-groove group array tube to be evaporated, the steam flows to the condensation end of the micro-groove group array tube to be condensed into liquid, and the composite capillary structure component enables the liquid to flow back to the evaporation end along the directions of gravity and capillary force, so that heat is circularly and reciprocally conducted at the two ends of the composite superconducting flat heat pipe.
Description
Technical Field
The invention relates to the field of heat pipe radiators, in particular to a composite superconducting flat heat pipe and a heat circulation heat dissipation method thereof.
Background
The heat pipe radiator is applied to heat dissipation of high-power electronic power devices at present, but the heat pipe usually occupies a large heat dissipation volume when high-power heat is dissipated due to the fact that the heat dissipation capacity of the heat pipe is related to the number and the volume of the heat pipe, and the cost is high.
Disclosure of Invention
The invention aims to provide a composite superconducting flat heat pipe and a heat circulation heat dissipation method thereof, which can improve the heat dissipation efficiency of the traditional heat pipe.
Another object of the present invention is to provide a composite superconducting flat heat pipe and a heat cycle heat dissipation method thereof, which can reduce the volume of the heat pipe.
Another object of the present invention is to provide a composite superconducting flat heat pipe and a heat cycle heat dissipation method thereof, which can reduce the cost.
In order to achieve at least one of the above objects, the present invention provides a composite superconducting flat heat pipe, comprising a micro-groove array tube and a composite capillary structure component, wherein the micro-groove array tube is pumped to a negative pressure, filled with a working liquid and sealed, and the negative pressure range is 1.0 × 10-2～1.0×10-3Pa, wherein the working liquid is heated at the evaporation end of the micro-groove group array tube to be evaporated and vaporized, the vapor flows to the condensation end of the micro-groove group array tube to be condensed into liquid, and the composite capillary structure component enables the liquid to flow back to the evaporation end along the directions of gravity and capillary force, so that heat is circularly and reciprocally conducted at the two ends of the composite superconducting flat heat pipe.
In some embodiments, the composite superconducting flat heat pipe includes an evaporation section, a heat insulation section, and a condensation section, the heat insulation section is disposed between the evaporation section and the condensation section, the evaporation section is the evaporation end of the composite superconducting flat heat pipe, and the condensation section is the condensation end of the composite superconducting flat heat pipe.
In some embodiments, a cavity is formed in the composite superconducting flat heat pipe, and one end of the cavity is the evaporation end, and the other end of the cavity is the condensation end.
In some embodiments, the composite superconducting flat heat pipe has a housing, and the cavity is formed in the housing.
In some embodiments, the composite superconducting flat heat pipe has a fluid channel and a vapor channel, and the vapor channel is disposed inside the fluid channel.
In some embodiments, the composite capillary structure assembly is disposed between the vapor channel and the fluid channel, and the liquid condensed at the condensation section flows back to the evaporation end of the composite superconducting flat heat pipe along the directions of gravity and capillary force.
In some embodiments, the composite superconducting flat heat pipe is provided with a substrate in a contact area with a heat source, and a phase change technology is adopted, so that the contact thermal resistance can be effectively controlled and reduced.
In some embodiments, the substrate of the composite superconducting flat heat pipe and each heat pipe jointly form a working medium phase change and transfer channel with a three-dimensional structure, so that the thermal resistance from the substrate in a heat source contact area to each heat pipe is reduced, and the heat exchange efficiency between each heat pipe and the fin is improved.
In some embodiments, wherein the composite capillary structure component is disposed between the vapor channel and the fluid channel.
According to another aspect of the present invention, there is also provided a heat cycle heat dissipation method for a composite superconducting flat heat pipe, including the following steps:
the working medium is liquefied from a liquid state into a vapor at the evaporation end of the composite superconducting flat heat pipe to absorb heat;
performing vapor phase movement and latent heat transfer from an evaporation end of the composite superconducting flat heat pipe to a condensation end of the composite superconducting flat heat pipe;
the working medium is condensed into liquid at the condensing end of the composite superconducting flat heat pipe from vapor to release heat;
performing heat exchange at a condensation end, and performing liquid phase backflow by the composite superconducting flat heat pipe through the arrangement of the composite capillary structure component and the action of gravity, so that condensed liquid flows back to an evaporation end of the composite superconducting flat heat pipe along the directions of gravity and capillary force; and
the steps are executed in a reciprocating way.
Drawings
Fig. 1 is a schematic structural diagram of a composite superconducting flat heat pipe according to a preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of the working principle of the composite superconducting flat heat pipe according to the above preferred embodiment of the invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Fig. 1 to 2 show a composite superconducting flat heat pipe according to a preferred embodiment of the present invention. The composite superconducting flat heat pipe comprises a micro-groove group array pipe and a composite capillary structure component, wherein the interior of the micro-groove group array pipe is drawn into 1.0 x (10)-2～10-3) And filling a proper amount of working liquid into the Pa after negative pressure, and sealing. The composite superconducting flat heat pipe also comprises a shell, and a cavity is formed in the shell. One end of the cavity of the composite superconducting flat heat pipe is heated to form an evaporation section, and the other end of the cavity is cooled to form a condensation section. An adiabatic section is formed between the evaporation section and the condensation section. When one end of the cavity is heated, the liquid in the cavity is evaporated and vaporized, the vapor flows to the other end condensation section under a small pressure difference to release heat to be condensed into liquid, and the composite capillary structure groupDue to the arrangement of the component, the liquid flows back to the evaporation section along the directions of gravity and capillary force, and the circulation is repeated in such a way, so that the heat is transferred from one end of the composite superconducting flat heat pipe to the other end.
The evaporation section of the composite superconducting flat heat pipe is an evaporation end, and the condensation section of the composite superconducting flat heat pipe is a condensation end. In the circulating reciprocating process, the working medium is liquefied from a liquid state into vapor at the evaporation end of the composite superconducting flat heat pipe to absorb heat. And the working medium is condensed into liquid at the condensation end of the composite superconducting flat heat pipe from vapor to release heat. Performing vapor phase movement and latent heat transfer from the evaporation end of the composite superconducting flat heat pipe to the condensation end of the composite superconducting flat heat pipe. And performing heat exchange at the condensation end, and performing liquid phase backflow by the composite superconducting flat heat pipe through the arrangement of the composite capillary structure component and the action of gravity, so that the condensed liquid flows back to the evaporation end of the composite superconducting flat heat pipe along the directions of gravity and capillary force.
The composite superconducting flat heat pipe is provided with a fluid channel and a steam channel, and the steam channel is arranged inside the fluid channel. In a preferred embodiment, the vapor passage is formed inside the micro-groove cluster array tube, and the fluid passage is formed between the housing and the micro-groove cluster array tube. The composite capillary structure component is arranged between the steam channel and the fluid channel, and liquid condensed at the condensation section flows back to the evaporation section of the composite superconducting flat heat pipe along the directions of gravity and capillary force.
It is worth mentioning that the composite superconducting flat heat pipe is provided with a substrate in a contact area with a heat source, and the phase change technology is adopted, so that the thermal contact resistance can be effectively controlled and reduced.
It is worth mentioning that the base plate of the composite superconducting flat heat pipe and each heat pipe jointly form a working medium phase change and transfer channel of a 3D space structure, so that the thermal resistance from the base plate to each heat pipe in a heat source contact area is effectively reduced, and the heat exchange efficiency between each heat pipe and the fin is improved.
It is worth mentioning that the composite superconducting flat heat pipe radiator forms a 3D space structure, so that the composite superconducting flat heat pipe radiator has higher heat transfer performance and heat dissipation performance and a more optimized volume structure.
It is worth mentioning that the composite superconducting flat heat pipe improves the heat dissipation efficiency of the radiator, the composite superconducting flat heat pipe is used as a heat transfer element with the super heat conduction performance, because the phase change heat transfer mass transfer of the special composite working medium is arranged in the composite superconducting flat heat pipe, the apparent heat conductivity of the composite superconducting flat heat pipe is about ten thousand times of the heat conductivity of the same metal material, 5-20 times of the heat exchange capacity of the traditional circular heat pipe with the same surface area, the pressure bearing capacity is more than 10-20 times of the latter, and the cost is only below 1/3 of the traditional heat pipe.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The objects of the invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.
Claims (10)
1. A composite superconducting flat heat pipe is characterized by comprising a micro-groove group array pipe and a composite capillary structure component, wherein the interior of the micro-groove group array pipe is pumped into negative pressure and then is filled with working liquid for sealing, and the negative pressure range is 1.0 multiplied by 10-2～1.0×10-3Pa, wherein the working liquid is heated at the evaporation end of the micro-groove group array tube to be evaporated and vaporized, the vapor flows to the condensation end of the micro-groove group array tube to be condensed into liquid, and the composite capillary structure component enables the liquid to flow back to the evaporation end along the directions of gravity and capillary force, so that heat is circularly and reciprocally conducted at the two ends of the composite superconducting flat heat pipe.
2. The composite superconducting flat heat pipe according to claim 1, wherein the composite superconducting flat heat pipe comprises an evaporation section, a heat insulation section and a condensation section, the heat insulation section is disposed between the evaporation section and the condensation section, the evaporation section is the evaporation end of the composite superconducting flat heat pipe, and the condensation section is the condensation end of the composite superconducting flat heat pipe.
3. The composite superconducting flat heat pipe according to claim 2, wherein a cavity is formed in the composite superconducting flat heat pipe, and one end of the cavity is the evaporation end, and the other end of the cavity is the condensation end.
4. The composite superconducting flat heat pipe of claim 3, wherein the composite superconducting flat heat pipe has a housing, the cavity being formed within the housing.
5. The composite superconducting flat heat pipe of claim 4, wherein the composite superconducting flat heat pipe has a fluid channel and a vapor channel, the vapor channel being disposed inside the fluid channel.
6. The composite superconducting flat heat pipe of claim 5, wherein the composite capillary structure component is disposed between the vapor channel and the fluid channel, and the liquid condensed at the condensation section flows back to the evaporation end of the composite superconducting flat heat pipe along the gravity and capillary force directions.
7. The composite superconducting flat heat pipe according to claim 6, wherein the composite superconducting flat heat pipe is provided with a substrate in a contact area with a heat source, and a phase change technology is adopted, so that the contact thermal resistance can be effectively controlled and reduced.
8. The composite superconducting flat heat pipe of claim 7, wherein the substrate of the composite superconducting flat heat pipe and each heat pipe jointly form a working medium phase change and transfer channel with a three-dimensional structure, so that the thermal resistance from the substrate to each heat pipe in a heat source contact area is reduced, and the heat exchange efficiency between each heat pipe and the fin is improved.
9. The composite superconducting flat heat pipe of claim 8, wherein the composite capillary structure component is disposed between the vapor channel and the fluid channel.
10. A heat circulation heat dissipation method of a composite superconducting flat heat pipe is characterized by comprising the following steps:
the working medium is liquefied from a liquid state into a vapor at the evaporation end of the composite superconducting flat heat pipe to absorb heat;
performing vapor phase movement and latent heat transfer from an evaporation end of the composite superconducting flat heat pipe to a condensation end of the composite superconducting flat heat pipe;
the working medium is condensed into liquid at the condensing end of the composite superconducting flat heat pipe from vapor to release heat;
performing heat exchange at a condensation end, and performing liquid phase backflow by the composite superconducting flat heat pipe through the arrangement of the composite capillary structure component and the action of gravity, so that condensed liquid flows back to an evaporation end of the composite superconducting flat heat pipe along the directions of gravity and capillary force; and
the steps are executed in a reciprocating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011089573.8A CN112188809A (en) | 2020-10-13 | 2020-10-13 | Composite superconducting flat heat pipe and heat circulation heat dissipation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011089573.8A CN112188809A (en) | 2020-10-13 | 2020-10-13 | Composite superconducting flat heat pipe and heat circulation heat dissipation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112188809A true CN112188809A (en) | 2021-01-05 |
Family
ID=73949552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011089573.8A Withdrawn CN112188809A (en) | 2020-10-13 | 2020-10-13 | Composite superconducting flat heat pipe and heat circulation heat dissipation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112188809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114245661A (en) * | 2021-11-18 | 2022-03-25 | 深圳海翼智新科技有限公司 | Heat conduction element and electronic device |
-
2020
- 2020-10-13 CN CN202011089573.8A patent/CN112188809A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114245661A (en) * | 2021-11-18 | 2022-03-25 | 深圳海翼智新科技有限公司 | Heat conduction element and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111642103A (en) | High heat flow density porous heat sink flow cooling device | |
| CN103687455A (en) | Vapor chamber | |
| TWM596328U (en) | Phase change heat dissipation device | |
| TWI801696B (en) | Phase change cooling device | |
| CN106211726A (en) | The phase-change radiation system of a kind of band porous inner rib plate and preparation method | |
| CN201344754Y (en) | Vapor-liquid bi-phase separation type radiator for gravity assisted heat pipe | |
| CN202485512U (en) | Tank-channel type vapor chamber type heat pipe heat radiator | |
| CN102261862B (en) | A kind of Flat heat pipe heat exchanger | |
| CN206165061U (en) | Take phase transition cooling system of porous interior fin | |
| CN209877718U (en) | Phase change heat dissipation device | |
| CN112188809A (en) | Composite superconducting flat heat pipe and heat circulation heat dissipation method thereof | |
| CN102208375B (en) | Circulation radiator, and manufacturing method and components thereof | |
| CN201532140U (en) | Circular thermosiphon loop heat pipe radiator | |
| CN202076256U (en) | Return circuit type heat pipe radiator | |
| CN104850197A (en) | Gravity heat pipe chip heat sink with composite bottom plate | |
| CN113028869B (en) | Loop thermosiphon fin | |
| CN201131109Y (en) | Radiator | |
| CN211236828U (en) | High-power separated heat pipe radiator for server | |
| CN213208737U (en) | Heat exchanger assembly | |
| CN201123204Y (en) | Heat radiator | |
| CN103019345B (en) | There is the heat-pipe type radiator of enhanced heat exchange effect | |
| CN202329326U (en) | Thin type heat pipe structure | |
| CN207706620U (en) | Two phase flow heat transfer structure | |
| CN215864821U (en) | Heat pipe structure with along capillary of gravity | |
| JP3165057U (en) | Heat dissipation device driven by pressure gradient accompanying evaporation and condensation of refrigerant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210105 |
|
| WW01 | Invention patent application withdrawn after publication |