CN219454794U - Superconductive composite phase-change heat-accumulating plate type warm air unit and warm air device - Google Patents
Superconductive composite phase-change heat-accumulating plate type warm air unit and warm air device Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model provides a superconductive composite phase-change heat-accumulating plate type warm air unit and a warm air device, wherein the warm air unit comprises: the device comprises an inflation type thermal superconducting plate, a phase change heat storage part, a heating part and radiating fins. The superconducting composite phase-change heat storage plate type warm air unit has complete functions of heating, heat storage and warm air generation, can be used independently, and can be used for connecting and combining preset superconducting composite phase-change heat storage plate type warm air units to realize warm air devices with different requirements on heat storage capacity, warm air quantity, warm air temperature, warm air supply time and the like, and has the advantages of modular plate type structure, convenience in assembly, high efficiency, no leakage, safety and reliability; the superconducting composite phase-change heat storage plate type warm air unit and the warm air device have wide application scenes and ranges, good energy-saving and environment-friendly effects and great economic and social benefits.
Description
Technical Field
The utility model relates to the field of heat storage, in particular to a superconductive composite phase-change heat storage plate type warm air unit and a warm air device.
Background
The phase change heat storage is a technology for storing temporary unused or redundant heat energy and reusing the heat energy when needed, is an important technology for improving the energy utilization efficiency and protecting the environment, and has obvious advantages in solar energy, industrial waste heat, waste heat utilization, electric power peak regulation, valley filling and the like, energy conservation, emission reduction, double carbon target realization and the like. The warm air is widely used in production and life of people, such as greenhouse heating, grain drying, life heating, clothes drying, cleaning, spraying, curing and other industrial production projects, if the excessive heat can be directly stored by adopting a phase change heat storage technology, the production heat can be provided for users for use when the users need, a large amount of energy sources can be saved, the energy conservation and emission reduction can be realized, and the dual-carbon target is realized, so that the energy-saving and heat-saving device has wide market prospect, and huge economic and social benefits. The current phase-change heat storage material has the technical problems of small heat conductivity coefficient, slow heat storage and heat release rate and large temperature difference, and severely restricts the application of the heat storage technology in production and life.
It should be noted that the foregoing description of the background art is only for the purpose of facilitating a clear and complete description of the technical solutions of the present application and for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background section of the present application.
In view of the above, the utility model provides a superconductive composite phase-change heat storage plate type warm air unit and a warm air device, which are used for solving the dilemma and the technical problem faced in the existing phase-change heat storage technology.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a superconducting composite phase-change heat storage plate type warm air unit and a warm air device, which are used for solving the problems and technical difficulties in application, such as slow heat storage and heat release rate, large temperature difference, etc., caused by small heat conductivity coefficient of a phase-change heat storage material in the existing phase-change heat storage technology.
To achieve the above and other related objects, the present utility model provides a superconducting composite phase-change heat storage plate type warm air unit, including:
the expansion type heat superconducting plate comprises a first surface and a second surface which are opposite, at least one surface is provided with a heat transfer pipeline with mutually communicated network-shaped bulges, a heat transfer working medium is filled in the heat transfer pipeline and is isolated and sealed from the outside, and the heat transfer working medium is used for rapidly conducting heat to the surface of the whole expansion type heat superconducting plate along the heat transfer pipeline;
the phase change heat storage part is arranged on the first surface of the expansion type heat superconducting plate, the phase change heat storage part comprises a heat storage part shell, heat conduction fins and a phase change heat storage material, the heat conduction fins are wavy wave-shaped wave-folded fins and are arranged on the expansion type heat superconducting plate and fixedly connected with the inner surface of the heat storage part shell, gaps are reserved between the two ends of the heat conduction fins and the heat storage part shell, the heat storage part shell and the expansion type heat superconducting plate form a sealed heat storage part cavity, the phase change heat storage material is filled in the heat storage part cavity, the heat conduction fins are uniformly distributed in the phase change heat storage material and used for improving the heat conduction performance of the phase change heat storage material and improving the heat storage and heat release rate and cold storage of the phase change heat storage material;
the heating part is arranged on the second surface of the expansion type thermal superconducting plate and is used for heating the whole superconducting composite phase change heat storage plate type warm air unit;
the heat radiating fins comprise first heat radiating fins and second heat radiating fins, the first heat radiating fins are arranged on the outer surface of the shell of the heat storage part, and the second heat radiating fins are arranged on the second surface of the expansion type heat superconducting plate except the heating part.
Optionally, the number of the phase change heat storage parts is 2, and the phase change heat storage parts are respectively arranged on the first face of the expansion type heat superconducting plate and the second face of the expansion type heat superconducting plate except the heating part.
Optionally, the phase change heat storage material is an organic or inorganic solid-liquid phase change heat storage material and is filled in the cavity of the heat storage part; when the phase-change heat storage part stores heat, the phase-change heat storage material is changed from a solid phase to a liquid phase; when the phase-change heat storage part releases heat, the phase-change heat storage material is changed from a liquid phase to a solid phase.
Optionally, the heat conducting fin comprises an aluminum corrugated fin and an aluminum alloy corrugated fin, the distance between two adjacent corrugated fins of the heat conducting fin ranges from 2mm to 5mm, the thickness of the heat conducting fin ranges from 0.1mm to 1.0mm, and the height of the heat conducting fin ranges from 10mm to 50mm.
Optionally, the heating part comprises an electric heater and a fluid heating part.
Optionally, the arrangement direction of the heat dissipation fins includes a horizontal direction and a vertical direction.
Optionally, the heat dissipation fin comprises an aluminum corrugated fin and an aluminum alloy corrugated fin, the distance between two adjacent corrugated fins of the heat dissipation fin ranges from 2mm to 5mm, the thickness of the heat dissipation fin ranges from 0.1mm to 1.0mm, and the height of the heat dissipation fin ranges from 50mm to 100mm.
Optionally, the heat transfer pipeline is a vacuum sealing system, and the heat transfer working medium poured into the heat transfer pipeline is fluid; the distribution shape of the heat transfer pipeline on the expansion type thermal superconducting plate is at least one of a circular honeycomb shape, a hexagonal honeycomb shape, a quadrilateral honeycomb shape, a crisscross net shape, a triangle with the head and the tail connected in series and a diamond shape.
The utility model also provides a superconducting composite phase-change heat accumulating type warm air device, which comprises: presetting any one of the superconducting composite phase-change heat storage plate type warm air units; the shell is used for placing the superconducting composite phase-change heat storage plate type warm air unit; the preset superconductive composite phase change heat storage plate type warm air unit is connected and combined to be placed in the shell.
Optionally, the connection mode of the superconducting composite phase change heat storage plate type warm air unit comprises series connection, parallel connection and series-parallel connection combination.
As described above, the superconducting composite phase-change heat storage plate type warm air unit and the warm air device have the following beneficial effects:
the expansion type heat superconducting plate in the superconducting composite phase-change heat storage plate type warm air unit is used as a heat conduction main body, the heat conduction rate is high, the temperature uniformity is good, the reliability is high, the cost is low, the phase-change heat storage part is filled between the surface of the expansion type heat superconducting plate and the heat storage part shell, the high-density heat conduction fins are arranged on the expansion type heat superconducting plate and are uniformly arranged in the phase-change heat storage material, the heat conduction path is short, the speed is high, the heat efficiency is high, the structure is compact, and the technical problems of large heat storage and mode temperature difference and low speed caused by small heat conduction coefficient and large heat resistance of the phase-change heat storage material are solved; the superconducting composite phase-change heat storage plate type warm air unit has complete functions of heating, heat storage and warm air generation, can be used independently, and can be connected and combined to realize superconducting composite phase-change heat storage type warm air devices with different specific requirements of heat storage capacity, warm air quantity, warm air temperature, warm air quantity and the like; the modular plate type structure is convenient to assemble, high in efficiency, free of leakage, safe and reliable; the superconductive composite phase-change heat storage plate type warm air unit and the warm air device can be widely applied to solar photo-thermal heat storage warm air devices, industrial waste heat recovery heat storage warm air devices and electric peak-shifting valley-filling heat storage warm air devices, can be used for distributed or centralized warm air devices such as industrial production, family life, hotels, buildings, residential communities and business centers, and have wide application scenes and ranges, good energy-saving and environment-friendly effects and huge economic and social benefits.
Drawings
Fig. 1 is a schematic structural diagram of a superconducting composite phase-change heat storage plate type warm air unit according to an embodiment of the utility model.
Fig. 2 shows a schematic side view of a thermal expansion superconducting panel according to the present utility model.
Fig. 3 is a cross-sectional view showing a first embodiment of the superconducting composite phase-change heat storage plate type warm air unit of the present utility model.
Fig. 4 shows a partial enlarged view of fig. 3.
Fig. 5 is a schematic structural diagram of a second embodiment of the superconducting composite phase-change heat storage plate type warm air unit according to the present utility model.
Fig. 6 is a schematic structural diagram of a third embodiment of the superconducting composite phase-change heat storage plate type warm air unit according to the present utility model.
Fig. 7 is a schematic structural diagram of a fourth embodiment of the superconducting composite phase-change heat storage plate type warm air unit according to the present utility model.
Fig. 8 is a schematic structural diagram of a superconducting composite phase-change heat accumulating type warm air device according to the present utility model.
Description of element reference numerals
10. Inflation type heat superconducting plate
11. Heat transfer pipeline
12. Liquid injection pipeline
20. Phase change heat storage part
21. Heat storage section casing
22. Heat conduction fin
23. Phase change heat storage material
31. Electric heater
32. Fluid heating part
41. First radiating fin
42. Second radiating fin
50. Power supply wire
60. Cold air
70. Warm air
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
As described in detail in the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of explanation, and the schematic drawings are only examples, which should not limit the scope of the present utility model.
For ease of description, spatially relative terms such as "under", "below", "beneath", "above", "upper" and the like may be used herein to describe one structure or feature's relationship to another structure or feature as illustrated in the figures. It will be understood that these spatially relative terms are intended to encompass other orientations of the device in use or operation in addition to the orientation depicted in the figures. Furthermore, when a layer is referred to as being "between" two layers, it can be the only layer between the two layers or one or more intervening layers may also be present. As used herein, "between … …" is meant to include both endpoints.
In the context of this application, a structure described as a first feature being "on" a second feature may include embodiments where the first and second features are formed in direct contact, as well as embodiments where additional features are formed between the first and second features, such that the first and second features may not be in direct contact.
Please refer to fig. 1 to 8. It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings rather than the number, shape and size of the components in actual implementation, and the form, number and proportion of each component in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
Example 1
As shown in fig. 1 to 4, the present embodiment provides a superconducting composite phase-change heat storage plate type warm air unit including:
as shown in fig. 1 and fig. 4, the thermal expansion superconducting plate 10 includes a first surface and a second surface opposite to each other, at least one surface is provided with a heat transfer pipeline 11 with network-shaped protrusions communicated with each other, a heat transfer working medium is poured into the heat transfer pipeline 11 and isolated from the outside, and the heat transfer working medium is used for rapidly conducting heat to the whole surface of the thermal expansion superconducting plate 10 along the heat transfer pipeline 11;
as shown in fig. 1 to 3, the phase-change heat storage portion 20 is disposed on a first surface of the thermal expansion superconducting plate 10, in this embodiment, the phase-change heat storage portion 20 has the same outline size as the thermal expansion superconducting plate 10, the phase-change heat storage portion 20 includes a heat storage portion housing 21, heat conduction fins 22 and a phase-change heat storage material 23, the heat conduction fins 22 are wavy corrugated fins, and are disposed on the thermal expansion superconducting plate 10, and fixedly connected with an inner surface of the heat storage portion housing 21, and both ends of the heat conduction fins 22 and the heat storage portion housing 21 keep a gap, the heat storage portion housing 21 and the thermal expansion superconducting plate 10 form a sealed heat storage portion cavity, the phase-change heat storage material 23 is filled in the heat storage cavity, and the heat conduction fins 22 are uniformly distributed in the phase-change material 23 to increase heat conduction performance of the phase-change heat storage material 23 and promote heat storage and heat release rate of the phase-change heat storage material 23;
as shown in fig. 1 to 2, a heating part is provided on the second surface of the expansion-type thermal superconducting plate 10, and is used for heating the whole superconducting composite phase-change heat storage plate type warm air unit;
as shown in fig. 1 to 2, the heat radiating fins include a first heat radiating fin 41 and a second heat radiating fin 42, the first heat radiating fin 41 is provided on the outer surface of the heat accumulating portion housing 21, and the second heat radiating fin is provided on the second surface of the roll-bond thermal superconducting plate 10 excluding the heating portion.
Here, the first surface and the second surface opposite to each other of the inflatable thermal superconducting plate 10 may be provided with a network-shaped heat transfer pipeline 11 that is mutually connected, and the first surface is a convex surface, and the second surface is a plane, and the two opposite surfaces may be provided with network-shaped heat transfer pipelines 11 that are mutually connected, and are both convex surfaces.
As shown in fig. 1 to 2, in this embodiment, the phase change heat storage portion 20 is disposed on a first surface of the thermal expansion superconducting plate 10, that is, a convex surface of a pipeline, and the heating portion is disposed on a second surface of the thermal expansion superconducting plate 10, that is, a plane, so as to help increase a contact area between the heating portion and the thermal expansion superconducting plate 10, reduce a contact thermal resistance and a thermal conduction temperature difference, and accelerate a thermal conduction rate. Of course, the phase change heat storage portion 20 may be disposed on the plane of the thermal expansion superconducting plate 10, and may be selected according to actual needs, and is not limited thereto.
The working principle of the superconductive composite phase-change heat storage plate type warm air unit is as follows: in the phase change heat storage process, the heat generated by the heating part is transferred to the expansion type heat superconducting plate 10 through heat conduction, the expansion type heat superconducting plate 10 rapidly conducts the heat to other surfaces of the whole expansion type heat superconducting plate 10 through a heat transfer working medium in the heat transfer pipeline 11, then a part of the heat is transferred from the surface of the expansion type heat superconducting plate 10 to the radiating fins 42, and then the heat is subjected to convection heat exchange with cold air flowing through the radiating fins, and the cold air absorbs heat and rises in temperature to become warm air; another part of heat is conducted from the surface of the expansion type thermal superconducting plate 10 to the phase-change heat storage part 20, and is conducted to the phase-change heat storage material 23 through the heat conducting fins 22, the phase-change heat storage material 23 absorbs heat, the temperature rises, after reaching the phase-change temperature, the phase-change heat storage material 23 starts to absorb heat and melt, the solid gradually becomes liquid, the heat is continuously absorbed in the process, the temperature remains unchanged, when the phase-change heat storage material 23 is completely melted, the temperature begins to rise again, the phase-change heat storage process is completed, and in the heat storage process of the phase-change heat storage part 20, part of heat is directly conducted to the heat storage part shell 21 through the heat conducting fins 22, and is conducted to the first radiating fins 41 connected to the outer surface of the heat storage part shell 21, the cold air flowing through the surface of the first radiating fins 41 is heated, and the cold air is heated and rises to become warm air, and accordingly the warm air is continuously supplied.
In the phase-change heat release process, when the heating part stops working or works under low load, the phase-change heat storage material 23 in the phase-change heat storage part 20 starts to release heat due to the reduction of the system temperature, a part of heat is conducted to the expansion type heat superconducting plate 10, the expansion type heat superconducting plate 10 rapidly conducts the heat to the second radiating fins 42 through the heat transfer working medium in the heat transfer pipeline 11, cold air flowing through the second radiating fins 42 starts to perform convection heat exchange with the second radiating fins 42, and the cold air absorbs heat and is warmed to be warm air; the other part of heat is directly conducted to the first radiating fins 41 through the phase change heat storage part shell 21 to perform convection heat exchange with cold air, so that the cold air is heated; the phase-change heat-storage material 23 in the phase-change heat-storage portion 20 starts to change phase after reaching the phase-change temperature in the heat-releasing process, and gradually changes from liquid to solid, the process continuously releases the phase-change latent heat to maintain the temperature unchanged, and when the phase-change heat-storage material 23 is completely solidified, the temperature starts to continuously decrease, and the phase-change heat-releasing process is completed.
According to the superconducting composite phase-change heat storage plate type warm air unit, the expansion type heat superconducting plate 10 is used as a heat conduction main body, the heat conduction rate is high, the temperature uniformity is good, the reliability is high, the cost is low, the phase-change heat storage part 20 is filled with the phase-change heat storage material 23 between the surface of the expansion type heat superconducting plate 10 and the heat storage part shell 21, the large-area heat conduction fins 22 are arranged on the expansion type heat superconducting plate 10 and uniformly arranged in the phase-change heat storage material 23, the heat conduction path is short, the speed is high, the heat efficiency is high, the structure is compact, and the technical problems of high heat conduction thermal resistance, low heat absorption and heat release rate and large temperature difference caused by the small heat conduction coefficient of the phase-change heat storage material 23 are solved; the superconductive composite phase-change heat storage plate type warm air unit has complete functions of heating, heat storage and warm air generation, can be used independently, has a modularized plate type structure, is convenient to assemble, has high efficiency, is not leaked, and is safe and reliable.
As an example, the connection between the heating portion and the thermal expansion superconducting plate 10 includes soldering and screw fastening.
In this embodiment, the heating portion is an electric heater 31, and the heater is connected to the power wire 50 to heat the whole superconducting composite phase change heat storage plate type heating unit, where the electric heater 31 is located at the lower portion of the plane of the expansion type thermal superconducting plate 10, which is favorable for rapid heat conduction of the heat transfer working medium in the heat transfer pipeline 11 of the expansion type thermal superconducting plate 10, and of course, the electric heating portion 31 may also be disposed at any position of the plane of the PCI thermal superconducting plate 10, and may be selected according to actual needs, without limitation.
As shown in fig. 1 to 2, the arrangement direction of the heat radiating fins is a horizontal direction as an example.
In this embodiment, the installation directions of the first heat dissipation fins 41 and the second heat dissipation fins 42 are both horizontal directions, and may be front-back or left-right air inlet and outlet.
As an example, the heat conducting fins 22 include aluminum corrugated fins and aluminum alloy corrugated fins, which can be selected according to actual needs; the distance between two adjacent folds of the heat conducting fin 22 ranges from 2mm to 5mm, for example, the distance can be 2mm, 3mm, 4mm or 5mm; the thickness of the heat conducting fin 22 ranges from 0.1mm to 1.0mm, for example, 0.1mm, 0.3mm, 0.5mm, 0.7mm and 1mm can be used; the height of the heat conducting fin 22 ranges from 10mm to 50mm, and for example, the height can be 10mm, 20mm, 30mm, 40mm and 50mm.
It should be noted that the spacing, thickness and height between each corrugation of the heat conducting fins 22 should be uniform, so that the uniformity is maintained during heat conduction in addition to the convenience of processing.
As an example, the phase change heat storage material 23 is an organic or inorganic solid-liquid phase change heat storage material, and is filled in the heat storage portion cavity; when the phase-change heat storage portion 20 stores heat, the phase-change heat storage material 23 is changed from a solid phase to a liquid phase; when the phase-change heat storage portion 20 releases heat, the phase-change heat storage material 23 is changed from a liquid phase to a solid phase.
The phase-change heat storage material 23 absorbs a large amount of heat with a small volume and weight by utilizing the phase-change latent heat at its own phase-change temperature, stores the excessive heat, and keeps the temperature unchanged during the heat storage. The heat storage capacity and heat storage temperature of the superconducting composite phase-change heat storage plate-type warm air unit in this embodiment are related to the amount of the phase-change heat storage material 23 to be filled and thermal properties, that is, specific gravity, specific heat, latent heat of phase change, phase change temperature, thermal conductivity and the like of the phase-change heat storage material 23.
In this embodiment, the phase change heat storage material 23 is preferably paraffin and is filled in the cavity of the heat storage portion, so that the heat conduction rate is high and the efficiency is high.
As an example, the connection manner of the phase change heat storage portion 20 and the expansion type thermal superconducting plate 10 includes brazing; the connection mode of the first heat radiating fin 41 and the heat accumulating portion housing 21 includes brazing; the second heat dissipating fin 42 is connected to the thermal expansion superconducting plate 10 by soldering.
The solder with low melting point is used, and after being heated and melted, the liquid solder is filled between two parts to be connected, so that the two parts are connected together. The phase change heat storage part 20 connected with the expansion type heat superconducting plate 10 comprises a heat storage part shell 21 and heat conducting fins 22, wherein the heat conducting fins 22 are directly soldered on the convex surface of the expansion type heat superconducting plate 10 and are positioned in the phase change heat storage material 23, so that the heat conduction path is short, the heat conduction speed is high, the heat efficiency is high in the heat storage and release process, and the technical problems of small heat conduction coefficient, large heat resistance, slow heat absorption and release speed and large temperature difference of the phase change heat storage material 23 are solved.
As an example, the heat dissipation fins include aluminum corrugated fins and aluminum alloy corrugated fins, which can be selected according to actual needs; the distance between two adjacent folds of the radiating fin ranges from 2mm to 5mm, for example, the distance can be 2mm, 3mm, 4mm and 5mm; the thickness of the radiating fin ranges from 0.1mm to 1.0mm, for example, the radiating fin can be 0.1mm, 0.3mm, 0.5mm, 0.7mm and 1mm; the height of the radiating fins ranges from 50mm to 100mm, and can be 50mm, 60mm, 70mm, 80mm, 90mm and 100mm, for example.
It should be noted that the distance, thickness and height between each corrugation of the heat dissipation fin should be kept consistent, so that the processing is convenient, and the expansion type heat superconducting plate 10 is also beneficial to heat convection between itself and the heat dissipation fin and cold air, the cold air absorbs heat and heats up to become hot air, and the heat dissipation rate is improved.
As shown in fig. 4, the heat transfer pipeline 11 is a vacuum sealing system, and the heat transfer working medium poured inside the vacuum sealing system is fluid, for example. The heat transfer pipeline 11 can be prepared by adopting an inflation process, and the heat transfer working medium can be gas, liquid or a mixture of gas and liquid.
In this embodiment, the heat transfer medium is preferably a mixture of liquid and gas, and the proportion of the liquid in the space of the heat transfer pipeline 11 ranges from 10% to 50%, for example, may be 10%, 20%, 30%, 40%, 50%. The heat transfer pipeline 11 is communicated and sealed and extends over the whole expansion type heat superconducting plate 10, so that the temperature of the whole expansion type heat superconducting plate 10 is uniform, the heat transfer efficiency is high, and the heat transfer efficiency and the heat transfer capacity of the expansion type heat superconducting plate 10 are ensured and improved by a vacuum sealing system. Of course, one surface of the PCI thermal superconducting plate provided with the heat transfer pipeline 11 is also provided with a liquid injection pipeline 12 communicated with the heat transfer pipeline 11 for extracting non-condensable gas and injecting the heat transfer working medium.
As an example, the distribution shape of the heat transfer pipeline 11 on the expansion type thermal superconducting plate is at least one of circular honeycomb, hexagonal honeycomb, quadrilateral honeycomb, crisscross net, triangle and diamond with the ends connected in series. The distribution shape of the heat transfer line 11 may be selected according to practical needs, and is not limited herein.
Example two
As shown in fig. 5, this embodiment provides a superconducting composite phase-change heat storage plate type air heating unit, which is different from the first embodiment in that the heating portion is a fluid heating portion 32, the heat source of the fluid heating portion 32 is low-grade energy sources such as solar heat and industrial waste heat, the fluid heating portion 32 is also used for heating the whole heat superconducting composite phase-change heat storage plate type air heating unit, the width of the fluid heating portion 32 is the same as that of the expansion type heat superconducting plate 10, and one side has an inlet and an outlet for fluid to enter and exit.
Example III
As shown in fig. 6, this embodiment provides a superconducting composite phase-change heat storage plate type air heating unit, which is different from the first embodiment in that the arrangement direction of the heat dissipation fins is a vertical direction, that is, the arrangement directions of the first heat dissipation fins 41 and the second heat dissipation fins 42 are both vertical directions, and the arrangement of the heat dissipation fins in the vertical direction can heat air by self-heating convection or by forced convection.
Example IV
As shown in fig. 7, this embodiment provides a superconducting composite phase-change heat storage plate type warm air unit, which is different from the first embodiment in that the heating portion is a fluid heating portion 32, the number of phase-change heat storage portions is 2, the phase-change heat storage portions are respectively disposed on a first surface and a second surface of the expansion-type heat superconducting plate 10, the convex surface of the first surface of the expansion-type heat superconducting plate 10 is provided with one phase-change heat storage portion 20, the second surface of the plane is further provided with one phase-change heat storage portion 20 at a portion excluding the fluid heating portion 32, and at this time, the second heat dissipation fins 42 are disposed on the plane of the expansion-type heat superconducting plate 10 on the surface of the fluid heating portion 32 and the surface of the phase-change heat storage portion 20. The phase change heat storage part 20 is arranged on the first surface and the second surface of the expansion type thermal super-conduction plate 10, so that the volume and heat storage effect of the phase change heat storage material 23 are increased under the condition that the heat transfer efficiency is approximately unchanged.
Example five
As shown in fig. 8, the present embodiment provides a superconducting composite phase-change heat-storage type warm air device, which includes: presetting the superconducting composite phase-change heat storage plate type warm air unit according to any one of the first to fourth embodiments; the shell is used for placing the superconducting composite phase change heat storage plate type warm air unit component; the preset superconductive composite phase change heat storage plate type warm air unit is connected and combined to be placed in the shell.
Here, in order to show the internal structure of the superconducting composite phase-change heat storage type warm air device, the housing is not shown in the drawing.
The superconductive composite phase-change heat-accumulating type warm air device of the embodiment can connect and combine preset superconductive composite phase-change heat-accumulating plate type warm air units to realize heat accumulating type warm air devices with different requirements on heat accumulation, warm air quantity, warm air temperature, heat exchange efficiency and the like; the modular plate type structure is convenient to assemble, high in efficiency, free of leakage, safe and reliable; the superconductive composite phase-change heat storage plate type warm air unit can be used for a solar photo-thermal superconductive composite phase-change heat storage type warm air device, an industrial waste heat recovery superconductive composite phase-change heat storage type warm air device, an electric power peak-shifting valley-filling superconductive composite phase-change heat storage type warm air device, and the superconductive composite phase-change heat storage plate type warm air unit can be widely applied to distributed or centralized warm air devices such as industrial production, family life, hotels, buildings, residential communities and commercial centers, and has wide application scenes and ranges, good energy-saving and environment-friendly effects and huge economic and social benefits.
As an example, the connection mode of the superconducting composite phase-change heat storage plate type warm air unit comprises series connection, parallel connection and series-parallel connection combination.
In this embodiment, the superconducting composite phase-change heat storage plate type warm air units according to the first embodiment are combined together in a parallel connection manner, and the electric heaters 31 are connected through power supply wires 50. The heat generated by the electric heater 31 is conducted to the heat radiating fins through the expansion type heat superconducting plate 10 and the phase change heat storage part 20, cold air 60 flows into the heat radiating fin flow channels from the left side and performs convection heat exchange, heat absorption and temperature rise are changed into warm air 70, and the warm air 70 is discharged from the right side.
In summary, the present utility model provides a superconducting composite phase-change heat storage plate type warm air unit and a warm air device, the superconducting composite phase-change heat storage plate type warm air unit includes: the expansion type heat superconducting plate comprises a first surface and a second surface which are opposite, at least one surface is provided with a heat transfer pipeline with mutually communicated network-shaped bulges, a heat transfer working medium is filled in the heat transfer pipeline and is isolated and sealed from the outside, and the heat transfer working medium is used for rapidly conducting heat to the surface of the whole expansion type heat superconducting plate along the heat transfer pipeline; the phase change heat storage part is arranged on the first surface of the expansion type heat superconducting plate, the phase change heat storage part comprises a heat storage part shell, heat conduction fins and phase change heat storage materials, the heat conduction fins are wavy wave-shaped wave-folded fins and are arranged on the expansion type heat superconducting plate and fixedly connected with the inner surface of the heat storage part shell, gaps are reserved between the two ends of the heat conduction fins and the heat storage part shell, the heat storage part shell and the expansion type heat superconducting plate form a sealed heat storage part cavity, the phase change heat storage materials are filled in the heat storage part cavity, the heat conduction fins are uniformly distributed in the phase change heat storage materials and used for improving the heat conduction performance of the phase change heat storage materials and improving the heat storage and heat release rates of the phase change heat storage materials; the heating part is arranged on the second surface of the expansion type thermal superconducting plate and is used for heating the whole superconducting composite phase change heat storage plate type warm air unit; the heat radiating fins comprise first heat radiating fins and second heat radiating fins, the first heat radiating fins are arranged on the outer surface of the shell of the heat storage part, and the second heat radiating fins are arranged on the second surface of the expansion type heat superconducting plate except the heating part. The expansion type heat superconducting plate in the superconducting composite phase-change heat storage plate type warm air unit is used as a heat conduction main body, the heat conduction rate is high, the temperature uniformity is good, the reliability is high, the cost is low, the phase-change heat storage part is filled between the surface of the expansion type heat superconducting plate and the heat storage part shell, the high-density heat conduction fins are arranged on the expansion type heat superconducting plate and are uniformly arranged in the phase-change heat storage material, the heat conduction path is short, the speed is high, the heat efficiency is high, the structure is compact, and the technical problems of low heat absorption and release rate and large temperature difference caused by small heat conduction coefficient and large heat resistance of the phase-change heat storage material are solved; the superconducting composite phase-change heat storage plate type warm air unit has complete functions of heating, heat storage and warm air generation, can be used independently, and can also be used for connecting and combining a plurality of preset superconducting composite phase-change heat storage plate type warm air units so as to realize superconducting composite phase-change heat storage type warm air devices with different requirements on heat storage capacity, warm air quantity, warm air temperature, heat exchange efficiency and the like; the modular plate type structure is convenient to assemble, high in efficiency, free of leakage, safe and reliable; the superconducting composite phase-change heat storage plate type warm air unit can be used for a solar photo-thermal superconducting composite phase-change heat storage type warm air device, an industrial waste heat recovery superconducting composite phase-change heat storage type warm air device, an electric power peak-shifting valley-filling superconducting composite phase-change heat storage type warm air device, and a distributed or centralized warm air device which can be used for industrial production, family life, hotels, buildings, residential communities, business centers and the like, has wide application scenes and ranges, good energy-saving and environment-friendly effects, and huge economic and social benefits. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. The superconductive composite phase-change heat storage plate type warm air unit is characterized by comprising:
the expansion type heat superconducting plate comprises a first surface and a second surface which are opposite, at least one surface is provided with a heat transfer pipeline with mutually communicated network-shaped bulges, a heat transfer working medium is filled in the heat transfer pipeline and is isolated and sealed from the outside, and the heat transfer working medium is used for rapidly conducting heat to the surface of the whole expansion type heat superconducting plate along the heat transfer pipeline;
the phase change heat storage part is arranged on the first surface of the expansion type heat superconducting plate, the phase change heat storage part comprises a heat storage part shell, heat conduction fins and phase change heat storage materials, the heat conduction fins are wavy wave-shaped wave-folded fins and are arranged on the expansion type heat superconducting plate and fixedly connected with the inner surface of the heat storage part shell, gaps are reserved between the two ends of the heat conduction fins and the heat storage part shell, the heat storage part shell and the expansion type heat superconducting plate form a sealed heat storage part cavity, the phase change heat storage materials are filled in the heat storage part cavity, the heat conduction fins are uniformly distributed in the phase change heat storage materials and used for improving the heat conduction performance of the phase change heat storage materials and improving the heat storage and heat release rates of the phase change heat storage materials;
the heating part is arranged on the second surface of the expansion type thermal superconducting plate and is used for heating the whole superconducting composite phase change heat storage warm air unit;
the heat radiating fins comprise first heat radiating fins and second heat radiating fins, the first heat radiating fins are arranged on the outer surface of the shell of the heat storage part, and the second heat radiating fins are arranged on the second surface of the expansion type heat superconducting plate except the heating part.
2. The superconducting composite phase-change heat storage plate type warm air unit according to claim 1, wherein: the quantity of the phase change heat storage parts is 2, and the phase change heat storage parts are respectively arranged on the first surface of the expansion type heat superconducting plate and the second surface of the expansion type heat superconducting plate except the heating part.
3. The superconducting composite phase-change heat storage plate type warm air unit according to claim 1, wherein: the phase change heat storage material is an organic or inorganic solid-liquid phase change heat storage material and is filled in the heat storage part cavity; when the phase-change heat storage part stores heat, the phase-change heat storage material is changed from a solid phase to a liquid phase; when the phase-change heat storage part releases heat, the phase-change heat storage material is changed from a liquid phase to a solid phase.
4. The superconducting composite phase-change heat storage plate type warm air unit according to claim 1, wherein: the heat conducting fin comprises an aluminum corrugated fin and an aluminum alloy corrugated fin, the distance between two adjacent corrugated fins of the heat conducting fin ranges from 2mm to 5mm, the thickness of the heat conducting fin ranges from 0.1mm to 1.0mm, and the height of the heat conducting fin ranges from 10mm to 50mm.
5. The superconducting composite phase-change heat storage plate type warm air unit according to claim 1, wherein: the heating part comprises an electric heater and a fluid heating part.
6. The superconducting composite phase-change heat storage plate type warm air unit according to claim 1, wherein: the arrangement direction of the radiating fins comprises a horizontal direction and a vertical direction.
7. The superconducting composite phase-change heat storage plate type warm air unit according to claim 1, wherein: the radiating fin comprises an aluminum corrugated fin and an aluminum alloy corrugated fin, the distance between two adjacent corrugated fins of the radiating fin ranges from 2mm to 5mm, the thickness of the radiating fin ranges from 0.1mm to 1.0mm, and the height of the radiating fin ranges from 50mm to 100mm.
8. The superconducting composite phase-change heat storage plate type warm air unit according to claim 1, wherein: the heat transfer pipeline is a vacuum sealing system, and the heat transfer working medium poured into the heat transfer pipeline is fluid; the distribution shape of the heat transfer pipeline on the expansion type thermal superconducting plate is at least one of a circular honeycomb shape, a hexagonal honeycomb shape, a quadrilateral honeycomb shape, a crisscross net shape, a triangle with the head and the tail connected in series and a diamond shape.
9. The utility model provides a superconductive compound phase transition heat accumulation formula warm braw device which characterized in that, superconductive compound phase transition heat accumulation formula warm braw device includes: presetting a superconductive composite phase change heat storage plate type warm air unit according to any one of claims 1 to 8; the shell is used for placing the superconducting composite phase-change heat storage plate type warm air unit; the preset superconductive composite phase change heat storage plate type warm air unit is connected and combined to be placed in the shell.
10. The superconducting composite phase-change heat accumulating type warm air device according to claim 9, wherein: the connection mode of the superconducting composite phase-change heat storage plate type warm air unit comprises series connection or parallel connection and series-parallel connection combination.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120140922A (en) * | 2025-03-07 | 2025-06-13 | 徐州凯迪桑拿设备有限公司 | A heat preservation and ventilation device for sauna room |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120140922A (en) * | 2025-03-07 | 2025-06-13 | 徐州凯迪桑拿设备有限公司 | A heat preservation and ventilation device for sauna room |
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