CN111207607B - High-efficient radiator structure - Google Patents
High-efficient radiator structure Download PDFInfo
- Publication number
- CN111207607B CN111207607B CN202010032551.1A CN202010032551A CN111207607B CN 111207607 B CN111207607 B CN 111207607B CN 202010032551 A CN202010032551 A CN 202010032551A CN 111207607 B CN111207607 B CN 111207607B
- Authority
- CN
- China
- Prior art keywords
- graphene
- hole
- ceramic membrane
- medium
- membrane substrate
- 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.)
- Active
Links
Images
Classifications
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
- F28F13/185—Heat-exchange surfaces provided with microstructures or with porous coatings
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D2001/0253—Particular components
- F28D2001/026—Cores
- F28D2001/0266—Particular core assemblies, e.g. having different orientations or having different geometric features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F2013/001—Particular heat conductive materials, e.g. superconductive elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
- F28F2255/06—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes composite, e.g. polymers with fillers or fibres
Abstract
The invention relates to the technical field of radiators, and discloses a high-efficiency radiator structure which comprises a radiator body, wherein the radiator body comprises a ceramic membrane substrate, micropores are distributed in the ceramic membrane substrate, a medium through hole is formed in the center of the ceramic membrane substrate, a plurality of radiating through holes are formed in the ceramic membrane substrate and positioned around the medium through hole, a compact alumina sealing coating is arranged on the inner wall of the medium through hole, a liquid inlet joint is arranged at one end of the medium through hole, and a liquid outlet joint is arranged at the other end of the medium through hole. The invention has the advantages of large heat exchange surface area and good heat dissipation performance.
Description
Technical Field
The invention relates to the technical field of radiators, in particular to a high-efficiency radiator structure.
Background
A heat sink is a generic term for a series of devices used to conduct and release heat. The application range of radiators is very wide, for example, air-conditioning refrigeration systems, industrial cooling systems, machine room cooling systems, various electronic devices, etc., all transfer heat in the form of heat exchange (heat transfer) in a pipeline through a medium, and in some heat pump systems at present, various radiators are widely used. At present, common radiators are finned radiators, namely radiating fins are arranged on the outer sides of radiating coils to enhance the radiating surface area, however, the radiating performance of the radiators is limited, the temperature of a plurality of media is reduced after the radiators radiate heat, and the temperature of the media cannot reach the temperature required by work, so that the radiators can be used for radiating heat by matching with other components and equipment in the whole radiating system, for example, in an air-conditioning refrigerating system, the radiators are matched with a compressor, in a heat pump system, the radiators are matched with a fan, the radiating performance of the radiators is better, the radiating efficiency of the whole system is higher, and the energy consumption of the whole system is better. However, in a conventional finned radiator, because the surface area of the radiating fins is limited, the cost of the radiating fins is also high, and the radiating performance of the radiator has a large bottleneck, it is a key and difficult point in the field of radiators to design a radiator with better radiating performance.
Disclosure of Invention
The invention provides a high-efficiency radiator structure with stable structure and good heat dissipation performance, aiming at solving the problem of insufficient heat dissipation performance of a radiator in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high-efficient radiator structure, includes the radiator body, the radiator body includes the ceramic membrane base member, and the distribution has the micropore in the ceramic membrane base member, the center of ceramic membrane base member is equipped with the medium through-hole, it is equipped with a plurality of heat dissipation through-holes to lie in around the medium through-hole on the ceramic membrane base member, the inner wall of medium through-hole is equipped with the alumina seal coating that the one deck is fine and close, the one end of medium through-hole is equipped with liquid inlet joint, and the other end of medium through-hole is equipped with out the liquid joint. The ceramic membrane substrate is a ceramic membrane, the ceramic membrane is one of inorganic membranes, belongs to a solid membrane material in the membrane separation technology, and is mainly formed by firing the inorganic ceramic material serving as a support body at high temperature, and a large number of micropores and pores are formed in the ceramic membrane substrate; the radiator body is connected into a medium pipeline through the liquid inlet joint and the liquid outlet joint, the coating is sealed by the alumina, the inner wall of the medium through hole is sealed, when a high-temperature medium passes through the medium through hole, the ceramic membrane substrate exchanges heat with the high-temperature medium, part of heat is directly conducted outwards through the ceramic membrane substrate, and the heat exchange surface area with the outside is greatly increased through the heat dissipation channel and the micropores, so that the heat dissipation effect of the radiator is obviously improved; the ceramic membrane substrate has stable structure and performance, and is high-temperature resistant and corrosion resistant; and the ceramic membrane matrix body is not easy to store heat and form heat steps.
Preferably, the ceramic membrane substrate is hexagonal prism-shaped, the radiator body is formed by arranging a plurality of ceramic membrane substrates in an array manner, and the medium through holes in the ceramic membrane substrates are connected in series through connecting pipes to form a medium channel; the radiator comprises a ceramic membrane substrate, and is characterized in that a radiator shell is arranged on the outer side of the radiator body, positioning supports are arranged at two ends of the radiator shell, which are located on the radiator body, and regular hexagonal positioning frames which correspond to the ceramic membrane substrate one to one are arranged in the positioning supports. A plurality of ceramic membrane matrixes are connected in series to form a reciprocating and tortuous medium channel, the heat dissipation time of a medium is prolonged, any number of ceramic membrane matrixes can be combined in series according to requirements, and each ceramic membrane matrix is positioned through a regular hexagon positioning frame in a positioning support, so that the space is expanded greatly, and the universality is high.
Preferably, the inner side of the regular hexagon positioning frame is provided with a separation bar, a flow guide gap is arranged between the side surfaces of two adjacent ceramic membrane substrates, and the separation bar is provided with a plurality of flow guide holes communicated with the flow guide gap. The isolating bars isolate two adjacent ceramic membrane matrixes, so that a flow guide gap exists between the outer side faces of the two adjacent ceramic membrane matrixes, the flow guide gap can increase the contact area of the ceramic membrane matrixes and the outside air, and the heat dissipation area is increased.
Preferably, a plurality of through grooves are uniformly formed in the inner wall of the medium through hole; the edge of medium through-hole is equipped with connect the via hole, all be equipped with the flange on feed liquor joint, the play liquid joint, be equipped with the connecting rod in the connect the via hole, the both ends of connecting rod are connected with flange nut respectively. The through grooves increase the heat exchange area between the medium through holes and the ceramic membrane substrate.
Preferably, the radiator shell is in a regular hexagonal prism shape, the rear end of the radiator shell is fixed with the exhaust fan, and the front end of the radiator shell is fixed with the filter screen. The radiator shell is in a regular hexagonal prism shape, and different radiators can be connected in series after being arranged and combined into an array.
Preferably, the porosity of the micropores in the ceramic membrane substrate is 40% -60%, the pore diameter of the micropores is 20 μm-100 μm, a graphene base layer is arranged on the wall of each micropore, graphene particles are arranged in each micropore, the graphene particles and the graphene base layer are connected into a whole, the particle size of each graphene particle is 15 μm-20 μm, the graphene particles account for 30% -50% of the total volume of each micropore, and a graphene coating is arranged on the outer side of the alumina sealing coating on the inner wall of each dielectric through hole. The graphene has strong heat conducting performance, and the graphene base layer on the inner wall of the micropore can quickly transfer heat around the medium through hole to each part of the ceramic membrane substrate so as to be dissipated from the radiating through hole; the mixed and disorderly distribution of graphite alkene granule is in the micropore, after the ceramic membrane base member absorbed heat, the lattice vibration of graphite alkene granule, thereby reinforcing heat conductivility, the lattice vibration plays the primary role in graphite alkene granule heat conduction, simultaneously according to classical thermodynamic theory analysis, the heat conductivility of graphite alkene still receives graphite alkene size, medium temperature, the influence of graphite alkene base material, in this structure, the base material of graphite alkene granule is graphite alkene basic unit, the granularity of graphite alkene granule is also big than graphite alkene powder, also can strengthen the heat conductivility of graphite alkene granule. On the contrary, if the graphene base layer and the graphene particles are not arranged in the micropores, although the micropores increase the heat dissipation surface area of the ceramic membrane substrate, the micropores are filled with air which is a poor heat conductor and can hinder the overall heat conduction.
Preferably, the process for preparing the radiator body by using the ceramic membrane substrate comprises the following steps:
a. preparing a ceramic membrane substrate with the porosity of 40-60% and the micropore diameter of 20-50 microns, sealing a heat dissipation through hole and a medium through hole at one end of the ceramic membrane substrate, and injecting high-pressure water into the other ends of the heat dissipation through hole and the medium through hole to wash micropores in the ceramic membrane substrate; b. adding graphene powder with the particle size of 5-10 microns and a hydrophilic surfactant into water, stirring to form a graphene suspension, sealing a heat dissipation through hole and a medium through hole at one end of a ceramic membrane substrate, injecting the graphene suspension into the other ends of the heat dissipation through hole and the medium through hole at high pressure until the graphene suspension overflows on the outer side face of the ceramic membrane substrate, and filling the graphene suspension into micropores; c. placing the ceramic membrane substrate into a calcining furnace, calcining under the protection of argon at the temperature of 500-600 ℃ for 3-5 minutes, and taking out and naturally cooling; d. repeating the step b and the step c twice, wherein a graphene base layer is formed on the surface of the pore wall of the micropore; e. b, stirring the graphene particles with the particle size of 15-20 microns, the hydrophilic surfactant and the water to form a graphene mixed solution, injecting the graphene mixed solution into micropores in a ceramic film matrix by adopting the mode in the step b, then placing the ceramic film matrix into a calcining furnace, calcining under the protection of argon, wherein the calcining temperature is 500-600 ℃, the calcining time is 10-15 minutes, and taking out the ceramic film matrix and naturally cooling; f. and preparing an aluminum oxide coating on the inner wall of the medium through hole, and preparing a graphene coating on the surface of the aluminum oxide coating.
Preferably, in the step f, the alumina coating is prepared by an electrophoretic deposition method, and the thickness of the alumina coating is 10-15 μm; the graphene coating is prepared in a plasma sputtering mode, and the thickness of the graphene coating is 4-10 mu m.
Preferably, in the step b, based on the total mass of the graphene suspension, the mass percentage of the graphene powder is 2.5-5%, the mass percentage of the hydrophilic surfactant is 3.5-4%, and the balance is water; in the step e, based on the total mass of the graphene mixed solution, the mass percentage of the graphene particles is 4.5-8.5%, the mass percentage of the hydrophilic surfactant is 5.3-7.3%, and the balance is water.
Preferably, the graphene suspension in the step b is used after ultrasonic oscillation under the water bath condition; mixing the graphene obtained in the step e, and performing ultrasonic oscillation under a water bath condition for use; the hydrophilic surfactant is polyvinylpyrrolidone, and the molecular weight of the polyvinylpyrrolidone is 55000-65000. Ultrasonic vibration makes graphite alkene powder (or graphite alkene granule) dispersed more even, and polyvinylpyrrolidone plays the effect of dispersant, can prevent that graphite alkene powder from agglomerating, and at the calcination in-process, polyvinylpyrrolidone can be decomposed simultaneously, can not remain in the micropore.
Therefore, the invention has the following beneficial effects: (1) the ceramic membrane matrix in the radiator has compact and stable structure, a large number of micropores are distributed in the ceramic membrane matrix, the surface area of heat exchange with the outside is greatly increased, and the radiating effect is very good; (2) the ceramic membrane substrate can be used in series after being combined and expanded to form a radiator with stronger radiating effect, and can be suitable for various occasions; (3) the inner wall of the micropore is provided with a graphene base layer, graphene particles are arranged in the micropore, the graphene base layer can enhance the heat transfer performance, the crystal lattice vibration in the graphene particles can promote heat dissipation, and the heat dissipation performance of the radiator is further improved.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1.
Fig. 2 is a schematic cross-sectional view of fig. 1.
Fig. 3 is a schematic structural diagram of embodiment 2.
Fig. 4 is a side cross-sectional view of fig. 3.
Fig. 5 is a schematic structural view of the positioning bracket.
FIG. 6 is a schematic view of the isolation between the positioning frame and the ceramic membrane substrate.
Fig. 7 is a schematic structural diagram of a plurality of radiators after being expanded and connected in series.
In the figure: the radiator comprises a radiator body 1, a radiator shell 2, a positioning support 3, a regular hexagon positioning frame 30, an isolating strip 31, a flow guide hole 32, a flow guide gap 4, a connecting pipe 5, an exhaust fan 6, a filter screen 7, a ceramic membrane substrate 10, a medium through hole 100, a heat dissipation through hole 101, a through groove 102, a connecting through hole 103, a liquid inlet joint 104, a liquid outlet joint 105 and a connecting rod 106.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description below:
example 1: the efficient radiator structure shown in fig. 1 and 2 comprises a radiator body 1, wherein the radiator body comprises a ceramic membrane substrate 10, micropores are distributed in the ceramic membrane substrate, a medium through hole 100 is formed in the center of the ceramic membrane substrate, a plurality of radiating through holes 101 are formed in the ceramic membrane substrate and located around the medium through hole, a plurality of through grooves 102 are uniformly formed in the inner wall of the medium through hole, a connecting through hole 103 is formed in the edge of the medium through hole, a layer of dense alumina sealing coating is formed on the inner wall of the medium through hole 100, a liquid inlet joint 104 is arranged at one end of the medium through hole 100, a liquid outlet joint 105 is arranged at the other end of the medium through hole, flanges are arranged on the liquid inlet joint and the liquid outlet joint, a connecting rod 106 is arranged in the connecting through hole 103, and two ends of the connecting rod are respectively connected with the flanges through nuts; the ceramic membrane substrate 10 can be cylindrical or polygonal, the ceramic membrane substrate 10 in this embodiment is hexagonal, the porosity of a micropore in the ceramic membrane substrate is 40% -60%, the pore diameter of the micropore is 20 μm-100 μm, a graphene base layer is arranged on the pore wall of the micropore, graphene particles are arranged in the micropore, the graphene particles and the graphene base layer are connected into a whole, the particle size of the graphene particles is 15 μm-20 μm, the graphene particles account for 30% -50% of the total volume of the micropore, and a graphene coating is arranged on the outer side of an alumina closed coating on the inner wall of the medium through hole.
Example 2: as shown in fig. 3 and 4, the high-efficiency heat sink structure includes a heat sink body 1 and a heat sink housing 2 disposed outside the heat sink body, wherein the heat sink body 1 is formed by arranging a plurality of ceramic membrane substrates 10 in an array, the ceramic membrane substrates in this embodiment have the same structure as that in embodiment 1, and medium through holes 100 in the ceramic membrane substrates 10 are connected in series by a connecting pipe 5 to form a medium channel; positioning brackets 3 are arranged at two ends of the radiator body 1 in the radiator shell 2, as shown in fig. 5 and 6, regular hexagonal positioning frames 30 corresponding to the ceramic membrane substrates one to one are arranged in the positioning brackets 3, isolating bars 31 are arranged at the inner sides of the regular hexagonal positioning frames 30, a flow guide gap 4 is arranged between the side surfaces of two adjacent ceramic membrane substrates 10, and a plurality of flow guide holes 32 communicated with the flow guide gap are arranged on the isolating bars 31; the radiator shell 2 is in a regular hexagonal prism shape, the exhaust fan 6 is fixed at the rear end of the radiator shell 2, the filter screen 7 is fixed at the front end of the radiator shell, and the surface of the filter screen 7 is provided with a self-cleaning coating which can be quickly cleaned after water is sprayed; the porosity of the micropores in the ceramic membrane substrate is 40% -60%, the pore diameter of the micropores is 20-100 μm, a graphene base layer is arranged on the wall of each micropore, graphene particles are arranged in each micropore, the graphene particles and the graphene base layer are connected into a whole, the particle size of each graphene particle is 15-20 μm, the graphene particles account for 30% -50% of the total volume of each micropore, and a graphene coating is arranged on the outer side of the alumina closed coating on the inner wall of each medium through hole.
As shown in fig. 7, a plurality of radiators in embodiment 2 can be arranged in the state shown in fig. 7 and connected in series through a pipeline to form a new radiator, and the path shown by the dotted line in fig. 7 is a flow path of the medium. Similarly, a plurality of radiators shown in fig. 7 can be connected in series to form a larger radiator, and the radiator can be extended and expanded as required to be assembled into a radiator meeting the requirement.
The processing technology of the ceramic membrane substrate in the embodiment 1 and the embodiment 2 is as follows:
a. preparing a ceramic membrane substrate with the porosity of 40-60% and the micropore diameter of 20-100 microns, sealing a heat dissipation through hole and a medium through hole at one end of the ceramic membrane substrate, and injecting high-pressure water into the other ends of the heat dissipation through hole and the medium through hole to wash micropores in the ceramic membrane substrate; b. adding 5-10 mu m graphene powder and a hydrophilic surfactant into water, and stirring to form a graphene suspension, wherein the mass percentage of the graphene powder is 2.5-5%, the mass percentage of the hydrophilic surfactant is 3.5-4% and the balance is water, based on the total mass of the graphene suspension; carrying out ultrasonic oscillation on the graphene suspension liquid under the water bath condition, sealing the heat dissipation through hole and the medium through hole at one end of the ceramic membrane substrate, injecting the graphene suspension liquid into the other end of the heat dissipation through hole and the other end of the medium through hole at high pressure until the graphene suspension liquid overflows on the outer side surface of the ceramic membrane substrate, and filling the graphene suspension liquid into the micropores; c. placing the ceramic membrane substrate into a calcining furnace, calcining under the protection of argon at the temperature of 500-600 ℃ for 3-5 minutes, and taking out and naturally cooling; d. repeating the step b and the step c twice, wherein a graphene base layer is formed on the surface of the pore wall of the micropore; e. stirring graphene particles with the particle size of 15-20 microns, a hydrophilic surfactant and water to form a graphene mixed solution, wherein the mass percentage of the graphene particles is 4.5-8.5%, the mass percentage of the hydrophilic surfactant is 5.3-7.3% and the balance is water, based on the total mass of the graphene mixed solution; b, mixing graphene, performing ultrasonic oscillation under the water bath condition, injecting the graphene mixed solution into micropores in the ceramic film matrix in the mode in the step b, then putting the ceramic film matrix into a calcining furnace, calcining under the protection of argon, wherein the calcining temperature is 500-600 ℃, the calcining time is 10-15 minutes, and taking out and naturally cooling; f. preparing an aluminum oxide coating on the inner wall of the dielectric through hole by an electrophoretic deposition method, wherein the thickness of the aluminum oxide coating is 10-15 μm; preparing a graphene coating on the surface of the aluminum oxide coating in a plasma sputtering mode, wherein the thickness of the graphene coating is 4-10 mu m. The hydrophilic surfactant in the steps b and e is polyvinylpyrrolidone, and the molecular weight of the polyvinylpyrrolidone is 55000-65000.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (8)
1. A high-efficiency radiator structure comprises a radiator body and is characterized in that the radiator body comprises a ceramic membrane substrate, micropores are distributed in the ceramic membrane substrate, a medium through hole is formed in the center of the ceramic membrane substrate, a plurality of radiating through holes are formed in the ceramic membrane substrate and located around the medium through hole, a compact alumina sealing coating is arranged on the inner wall of the medium through hole, a liquid inlet joint is arranged at one end of the medium through hole, and a liquid outlet joint is arranged at the other end of the medium through hole; the porosity of the micropores in the ceramic membrane substrate is 40% -60%, the pore diameter of the micropores is 20-100 μm, a graphene base layer is arranged on the wall of each micropore, graphene particles are arranged in each micropore and connected with the graphene base layer into a whole, the particle size of each graphene particle is 15-20 μm, the graphene particles account for 30% -50% of the total volume of each micropore, and a graphene coating is arranged on the outer side of the alumina closed coating on the inner wall of each medium through hole;
the ceramic membrane substrate is processed by the following steps:
a. preparing a ceramic membrane substrate with the porosity of 40-60% and the micropore diameter of 20-100 microns, sealing a heat dissipation through hole and a medium through hole at one end of the ceramic membrane substrate, and injecting high-pressure water into the other ends of the heat dissipation through hole and the medium through hole to wash micropores in the ceramic membrane substrate; b. adding graphene powder with the particle size of 5-10 microns and a hydrophilic surfactant into water, stirring to form a graphene suspension, sealing a heat dissipation through hole and a medium through hole at one end of a ceramic membrane substrate, injecting the graphene suspension into the other ends of the heat dissipation through hole and the medium through hole at high pressure until the graphene suspension overflows on the outer side face of the ceramic membrane substrate, and filling the graphene suspension into micropores; c. placing the ceramic membrane substrate into a calcining furnace, calcining under the protection of argon at the temperature of 500-600 ℃ for 3-5 minutes, and taking out and naturally cooling; d. repeating the step b and the step c twice, wherein a graphene base layer is formed on the surface of the pore wall of the micropore; e. b, stirring the graphene particles with the particle size of 15-20 microns, the hydrophilic surfactant and the water to form a graphene mixed solution, injecting the graphene mixed solution into micropores in a ceramic film matrix by adopting the mode in the step b, then placing the ceramic film matrix into a calcining furnace, calcining under the protection of argon, wherein the calcining temperature is 500-600 ℃, the calcining time is 10-15 minutes, and taking out the ceramic film matrix and naturally cooling; f. and preparing an aluminum oxide coating on the inner wall of the medium through hole, and preparing a graphene coating on the surface of the aluminum oxide coating.
2. The efficient heat sink structure as recited in claim 1, wherein said ceramic membrane substrate is hexagonal prism shaped, said heat sink body is formed by a plurality of ceramic membrane substrates arranged in an array, and said plurality of ceramic membrane substrates have medium through holes connected in series via connecting pipes to form a medium channel; the radiator comprises a ceramic membrane substrate, and is characterized in that a radiator shell is arranged on the outer side of the radiator body, positioning supports are arranged at two ends of the radiator shell, which are located on the radiator body, and regular hexagonal positioning frames which correspond to the ceramic membrane substrate one to one are arranged in the positioning supports.
3. The efficient heat sink structure as claimed in claim 2, wherein the regular hexagonal positioning frame has a spacer bar on the inner side thereof, and a flow guiding gap is formed between the side surfaces of two adjacent ceramic membrane substrates, and the spacer bar has a plurality of flow guiding holes communicating with the flow guiding gap.
4. A high-efficiency radiator structure according to claim 1, 2 or 3, wherein the inner wall of the medium through hole is uniformly provided with a plurality of through grooves; the edge of medium through-hole is equipped with connect the via hole, all be equipped with the flange on feed liquor joint, the play liquid joint, be equipped with the connecting rod in the connect the via hole, the both ends of connecting rod pass through the nut with the flange respectively and are connected.
5. The structure of claim 2, wherein the heat sink casing is in a regular hexagonal prism shape, the rear end of the heat sink casing is fixed with the exhaust fan, and the front end of the heat sink casing is fixed with the filter screen.
6. A high efficiency heat sink structure as recited in claim 1 wherein in step f, the alumina coating is formed by electrophoretic deposition, the thickness of the alumina coating being 10 μm to 15 μm; the graphene coating is prepared in a plasma sputtering mode, and the thickness of the graphene coating is 4-10 mu m.
7. The efficient heat radiator structure of claim 1, wherein in the step b, based on the total mass of the graphene suspension, the mass percentage of the graphene powder is 2.5% -5%, the mass percentage of the hydrophilic surfactant is 3.5% -4%, and the balance is water; in the step e, based on the total mass of the graphene mixed solution, the mass percentage of the graphene particles is 4.5-8.5%, the mass percentage of the hydrophilic surfactant is 5.3-7.3%, and the balance is water.
8. The efficient heat sink structure as claimed in claim 6, wherein the graphene suspension in step b is subjected to ultrasonic oscillation under water bath condition, and the graphene suspension in step e is mixed and subjected to ultrasonic oscillation under water bath condition; the hydrophilic surfactant is polyvinylpyrrolidone, and the molecular weight of the polyvinylpyrrolidone is 55000-65000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032551.1A CN111207607B (en) | 2020-01-13 | 2020-01-13 | High-efficient radiator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032551.1A CN111207607B (en) | 2020-01-13 | 2020-01-13 | High-efficient radiator structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111207607A CN111207607A (en) | 2020-05-29 |
| CN111207607B true CN111207607B (en) | 2021-10-26 |
Family
ID=70790084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010032551.1A Active CN111207607B (en) | 2020-01-13 | 2020-01-13 | High-efficient radiator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111207607B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2497270Y (en) * | 2001-09-10 | 2002-06-26 | 杨华杰 | Copper-tube aluminium-wing duplex Z-shaped radiator |
| US6967844B2 (en) * | 2003-08-29 | 2005-11-22 | Abc Taiwan Electronics Corp. | Ceramic heat sink with micro-pores structure |
| CN208139896U (en) * | 2018-04-08 | 2018-11-23 | 辽宁卓异新材料有限公司 | heat exchanger tube and heat exchanger |
| CN209013815U (en) * | 2018-09-30 | 2019-06-21 | 宁波方太厨具有限公司 | Finned tube exchanger |
| CN110190037A (en) * | 2019-05-31 | 2019-08-30 | 维沃移动通信有限公司 | Preparation method, radiating piece and the mobile terminal of radiating piece |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206341551U (en) * | 2017-01-11 | 2017-07-18 | 东莞市优旺电子科技有限公司 | One kind radiating foam |
| CN206575481U (en) * | 2017-03-06 | 2017-10-20 | 珠海聚碳复合材料有限公司 | Improve the mobile phone shell of radiating effect |
-
2020
- 2020-01-13 CN CN202010032551.1A patent/CN111207607B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2497270Y (en) * | 2001-09-10 | 2002-06-26 | 杨华杰 | Copper-tube aluminium-wing duplex Z-shaped radiator |
| US6967844B2 (en) * | 2003-08-29 | 2005-11-22 | Abc Taiwan Electronics Corp. | Ceramic heat sink with micro-pores structure |
| CN208139896U (en) * | 2018-04-08 | 2018-11-23 | 辽宁卓异新材料有限公司 | heat exchanger tube and heat exchanger |
| CN209013815U (en) * | 2018-09-30 | 2019-06-21 | 宁波方太厨具有限公司 | Finned tube exchanger |
| CN110190037A (en) * | 2019-05-31 | 2019-08-30 | 维沃移动通信有限公司 | Preparation method, radiating piece and the mobile terminal of radiating piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111207607A (en) | 2020-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10619951B2 (en) | Phase transition suppression heat transfer plate-based heat exchanger | |
| CN1851377A (en) | Band-bubble type heat-exchanger | |
| CN102109291A (en) | Metal and conductive plastic composite micro heat exchanger | |
| Delavar et al. | I using porous material for heat transfer enhancement in heat exchangers | |
| KR20200097242A (en) | Outer fin heat exchange tube and how to use the same | |
| CN111721150A (en) | Compact multi-stage series PCHE heat exchanger and heat exchange method | |
| CN111207607B (en) | High-efficient radiator structure | |
| CN108592665A (en) | Fin plate heat exchanger | |
| CN212512623U (en) | Compact multi-stage series PCHE heat exchanger | |
| CN111189350A (en) | Combined radiator | |
| CN105186267A (en) | Laser radiator | |
| CN105263297A (en) | Laser heat insulation device | |
| US20060124283A1 (en) | Fluid-handling apparatus with corrosion-erosion coating and method of making same | |
| CN205051160U (en) | Laser radiator | |
| CN205052054U (en) | Laser heat -transfer device | |
| CN206755940U (en) | A kind of radiator of multi-layer heat dissipation | |
| JP6594229B2 (en) | Thermal storage type magnetic heat pump | |
| CN205051158U (en) | Laser cooling device | |
| CN216620772U (en) | Plate heat exchanger for water cooling system | |
| CN206247908U (en) | A kind of cast aluminium composition metal heat-exchanger rig | |
| CN201277828Y (en) | A plate heat exchanger | |
| CN205052053U (en) | Laser heat -proof device | |
| CN214582678U (en) | Heap heat exchanger heat exchange core | |
| CN205051159U (en) | Laser heat abstractor | |
| CN217504038U (en) | Condenser for improving heat exchange efficiency |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |