CN115387535B - Building wallboard with heat preservation function and use method thereof - Google Patents

Building wallboard with heat preservation function and use method thereof Download PDF

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Publication number
CN115387535B
CN115387535B CN202211330634.4A CN202211330634A CN115387535B CN 115387535 B CN115387535 B CN 115387535B CN 202211330634 A CN202211330634 A CN 202211330634A CN 115387535 B CN115387535 B CN 115387535B
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China
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plate
panel
storage module
heat
electricity storage
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CN202211330634.4A
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CN115387535A (en
Inventor
刘洪刚
吕善勇
庄小杰
崔婧瑞
赵艳波
陈烈
吴波
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China Construction First Group Corp Ltd
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China Construction First Group Corp Ltd
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
    • E04C2/521—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling
    • E04C2/525—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling for heating or cooling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
    • H02N11/002—Generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/26—Building materials integrated with PV modules, e.g. façade elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40—Thermal components
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Finishing Walls (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses a building wallboard with a heat preservation function and a using method thereof, wherein the building wallboard comprises a first component and a second component which are detachably connected into a whole; the first member is internally provided with a cavity, the second member is of a U-shaped plate-shaped structure, a photovoltaic plate is arranged on the outer side of the second member, a thermoelectric generation plate is arranged on the inner side of the second member, and the thermoelectric generation plate is abutted against the inner side of the photovoltaic plate; the photovoltaic panel and the thermoelectric generation panel generate electric energy which is stored in the electricity storage module, and the heating assembly utilizes the electric energy of the electricity storage module for heating; the cavity intussuseption of first component is filled with the fused salt granule, heating element's heat conduction spare is pegged graft in the fused salt granule via the perforating hole of first component to with heat conduction to the fused salt granule, realize building wallboard's heat preservation.

Description

Building wallboard with heat preservation function and use method thereof
Technical Field
The invention belongs to the technical field of constructional engineering, and relates to a building wallboard with a heat preservation function and a using method thereof.
Background
The external wall insulation board is formed by compounding polymer mortar, glass fiber gridding cloth, flame-retardant molded polystyrene foam boards and other materials, and is also called as an integrated building external wall decoration board. The existing insulation board is made of heat insulation materials to reduce heat loss and maintain the temperature in a building.
The existing building wallboard realizes the heat preservation effect by reducing heat radiation, and does not generate heat; this limits the application range of the building wall board to a certain extent, especially in the areas without heating arrangement in winter, which affects the comfort level of the building.
Therefore, it is needed to design a building wallboard with heat insulation function and a using method thereof to solve the technical problems in the prior art.
Disclosure of Invention
The building wallboard with the heat preservation function and the using method thereof are reasonable in structure, the photovoltaic panel and the thermoelectric generation panel are combined to generate electricity to store electric energy into the electricity storage module, the heating assembly is heated by the electric energy of the electricity storage module and conducts heat to the molten salt particles, and the temperature of the building wallboard is kept by utilizing the characteristic that the heat dissipation of the molten salt particles is slow.
In order to solve the technical problem, the invention provides a building wallboard with a heat preservation function, which comprises a first component and a second component, wherein the first component and the second component are detachably connected into a whole; the first member is internally provided with a cavity, the second member is of a U-shaped plate-shaped structure, a photovoltaic plate is arranged on the outer side of the second member, a thermoelectric generation plate is arranged on the inner side of the second member, and the thermoelectric generation plate is abutted against the inner side of the photovoltaic plate; the photovoltaic panel and the thermoelectric generation panel generate electric energy which is stored in the electricity storage module, and the heating assembly utilizes the electric energy of the electricity storage module for heating; the cavity of first component is filled with the fused salt granule, heating element's heat conduction spare is pegged graft in the fused salt granule via the perforating hole of first component to with heat conduction to fused salt granule, realize the heat preservation of building wallboard.
In some embodiments, the side surface of the second member is provided with a mounting hole matching the shape and size of the thermoelectric generation panel; the thermoelectric generation board via the mounting hole butt in the medial surface of photovoltaic board.
In some embodiments, the electricity storage module is disposed in a lateral direction of the second member and is located in a U-shaped open cavity formed by the second member, and the photovoltaic panel and the thermoelectric generation panel are electrically connected to the electricity storage module.
In some embodiments, the heating assembly comprises a heating module disposed at a side of the power storage module; the heat conducting piece is arranged on the side part of the heating module and faces the outer side of the U-shaped open cavity.
In some embodiments, the heat conducting member is a tubular structure, and the number of the heat conducting member is multiple and is arranged at intervals along the length direction of the heating module; at least part of the heat conducting member is inserted into the molten salt particles through the through hole.
In some embodiments, the first member is a plate-like structure, the chamber is arranged along a plate surface, and the wall thickness of the outer side of the chamber is uniform and 1-5mm.
In some embodiments, the first member is configured with a protruding structure and the second member is configured with a connecting groove, the protruding structure matching the shape, position and size of the connecting groove.
In some embodiments, the building wall panel further comprises a control module in signal connection with the photovoltaic panel, the thermoelectric generation panel, the electricity storage module, and the heating assembly to control the activation of the heating assembly.
In some embodiments, the first member includes a base and a top plate, the through hole being provided in the top plate; the heat-conducting property of the top plate is superior to that of the base.
In addition, the invention also provides a using method of the building wallboard, which uses the building wallboard; the method comprises the following steps:
when light is emitted, the photovoltaic panel generates electricity and stores the energy to the electricity storage module, the heating assembly is started and transfers the heat to the fused salt particles of the first component through the heat conducting piece; the temperature of the inner side surface of the temperature difference power generation plate rises, so that a temperature difference is formed between the inner side surface and the outer side surface of the temperature difference power generation plate, and the temperature difference power generation plate generates power and stores energy to the power storage module;
when no illumination, the heating element utilizes the electric energy start-up heating of electricity storage module to with the fused salt granule of heat conduction to first component, the medial surface temperature of thermoelectric generation board risees, makes the medial surface and the lateral surface of thermoelectric generation board form the temperature difference, and the thermoelectric generation board electricity generation energy storage is to electricity storage module.
The invention has the beneficial effects that:
the building wallboard with the heat preservation function and the using method thereof have reasonable structures, the photovoltaic panel and the thermoelectric generation panel are combined to generate electricity so as to store the electric energy to the electricity storage module, the heating assembly is used for heating by using the electric energy of the electricity storage module and transmitting the heat to the molten salt particles, and the characteristic that the heat dissipation of the molten salt particles is slow is used for keeping the temperature of the building wallboard.
Drawings
The above advantages of the present invention will become more apparent and more readily appreciated from the detailed description set forth below when taken in conjunction with the drawings, which are intended to be illustrative, not limiting, of the invention and in which:
FIG. 1 is a schematic structural view of a building panel with thermal insulation according to the present invention;
FIG. 2 is a perspective view of a building panel of the present invention
FIG. 3 is an exploded view of a component of the corresponding building panel of FIG. 1;
FIG. 4 is a schematic structural view of the first member of the present invention;
FIG. 5 is a cross-sectional view of the corresponding first member of FIG. 4;
FIG. 6 is a schematic structural view of the second member of the present invention;
FIG. 7 is a schematic view of a corresponding second member of FIG. 6;
FIG. 8 is a schematic view of the heating assembly of the present invention;
FIG. 9 is a schematic view of the connection of the second member to the power storage module and the heating assembly according to the present invention;
FIG. 10 is a schematic diagram of the operation of the thermoelectric generation panel according to the present invention;
fig. 11 is a flow chart of a method of using a building panel with insulation according to the present invention.
In the drawings, the reference numerals denote the following components:
10. a first member; 10a. A chamber; 11. a through hole; 12. a raised structure; 13. a base; 14. a top plate;
20. a second member; 20a.u-shaped open cavity; 21. a photovoltaic panel; 22. a thermoelectric generation plate; 23. mounting holes; 24. a connecting groove;
30. an electricity storage module;
40. a heating assembly; 41. a heat conductive member; 42. a heating module;
50. fused salt particles;
60. and a control module.
Detailed Description
Fig. 1 to 11 are schematic views related to a building wallboard with thermal insulation function and a using method thereof, and the invention is described in detail below with reference to specific embodiments and attached drawings.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts.
The invention discloses a structural schematic diagram of a building wallboard with a heat insulation function, which is shown in figures 1 to 3. The building wall panel with the heat preservation function comprises a first member 10 and a second member 20 which are detachably connected into a whole.
Further, the first member 10 is provided with a cavity 10a inside, as shown in fig. 5, the second member 20 is a U-shaped plate-shaped structure in section, a photovoltaic panel 21 is arranged on an outer side thereof, a thermoelectric generation panel 22 is arranged on an inner side of the second member 20, and the thermoelectric generation panel 22 abuts against the inner side of the photovoltaic panel 21.
In the embodiment shown in fig. 1, the building wall panel further includes an electricity storage module 30 and a heating assembly 40, the electric energy generated by the photovoltaic panel 21 and the thermoelectric generation panel 22 is stored in the electricity storage module 30, and the heating assembly 40 is heated by the electric energy of the electricity storage module 30.
In fig. 1, the cavity 10a of the first member 10 is filled with molten salt particles 50, and the heat conducting member 41 of the heating assembly 40 is inserted into the molten salt particles 50 through the through hole 11 of the first member 10 to conduct heat to the molten salt particles 50, so as to achieve thermal insulation of the building wall panel. After the molten salt particles 50 are heated, the heat released by the molten salt particles is slow so as to ensure the heat in the cavity 10a of the first member 10 and realize the heat insulation effect of the building wallboard.
In fig. 3, a mounting hole 23 is provided in a side surface of the second member 20, and the mounting hole 23 matches the outer shape and size of the thermoelectric generation panel 22; the thermoelectric generation panel 22 abuts against the inner side surface of the photovoltaic panel 21 through the mounting hole 23. Specifically, the mounting hole 23 is a rectangular hole that is provided through along the bottom surface of the second member 20, and one side surface of the thermoelectric generation panel 22 can abut against the inner side surface of the photovoltaic panel 21.
As an embodiment of the present invention, the electricity storage module 30 is disposed in a transverse direction of the second member 20 and is located in the U-shaped open cavity 20a formed by the second member 20, as shown in fig. 6 and 7, and the photovoltaic panel 21 and the thermoelectric generation panel 22 are electrically connected to the electricity storage module 30 to store the generated electric energy to the electricity storage module 30.
In the embodiment shown in fig. 1, the heating assembly 40 includes a heating module 42 disposed at a side of the power storage module 30; the heat-conducting member 41 is provided at a side of the heating module 42 and toward the outside of the U-shaped open cavity 20a to conduct generated heat to the molten salt particles 50.
In fig. 8, the heat-conducting member 41 has a tubular structure, and the number thereof is plural and is provided at intervals along the length direction of the heating module 42. At least a part of the heat-conducting member 41 is inserted into the molten salt particle 50 through the through hole 11. In the embodiment shown in fig. 1, 30% to 50% of the heat-conducting member 41 is inserted into the molten salt particle 50.
The first member 10 is a plate-shaped structure, the chamber 10a is arranged along the plate surface, and the wall thickness of the outer side of the chamber 10a is uniform and 1-5mm.
In fig. 4, the first member 10 is provided with a protruding structure 12, the second member 20 is provided with a connecting groove 24 shown in fig. 6, and the protruding structure 12 and the connecting groove 24 are matched in shape, position and size to realize the detachable connection of the first member 10 and the second member 20. In the embodiment shown in fig. 1, the raised structure 12 is a cylindrical structure and the connecting grooves 24 match circular grooves. It is understood that the cross-section of the projection structure 12 may also be rectangular, triangular, trapezoidal, etc.; the connecting grooves 24 of the second component 20 are correspondingly matched.
In order to ensure the reliable connection between the first member 10 and the second member 20, a strong magnetic button may be disposed on the outer end surface of the protrusion 12 and the bottom surface of the connection groove 24, and the magnetic attraction force of the strong magnetic button may improve the reliability of the connection between the first member 10 and the second member 20.
In fig. 1, the building wall panel further includes a control module 60, and the control module 60 is in signal connection with the photovoltaic panel 21, the thermoelectric generation panel 22, the electricity storage module 30 and the heating assembly 40 to control the opening of the heating assembly 40. Specifically, the control module 60 is configured with a signal transmitter and a signal receiver, so that one can remotely control the control module 60.
As an embodiment of the present invention, the first member 10 includes a base 13 and a top plate 14, and as shown in fig. 5, the through hole 11 is provided in the top plate 14; the heat conducting property of the top plate 14 is superior to that of the base 13, so that the heat of the molten salt particles 50 is transferred towards the thermoelectric generation plate 22, a hot electrode is formed on the side surface of the thermoelectric generation plate 22 close to the first component 10, and the abutting surface of the thermoelectric generation plate 22 and the photovoltaic plate 21 is a cold electrode; that is, the temperature difference is formed between the inner side surface and the outer side surface of the thermoelectric generation plate 22, and thermoelectric generation is enabled.
The operation principle of the thermoelectric generation panel 22 will be briefly described with reference to fig. 10: the thermoelectric generation plate 22 operates based on the Seebeck effect (Seebeck effect), i.e., the temperature difference between two different electrical conductors or semiconductors causes a voltage difference between the two substances, i.e., generates electric energy. In fig. 10, the P-type semiconductor and the N-type semiconductor are provided with connecting plates of different materials on both sides, which form a PN thermoelectric generator temperature gradient after being connected by electrodes, causing carriers of a hot pole to diffuse toward a cold pole to form a thermoelectric force.
In addition, the present invention also provides a method of using the building panel described above, which is a flow chart as shown in fig. 11; the method specifically comprises the following steps:
when illumination exists, the photovoltaic panel 21 generates electricity and stores energy to the electricity storage module 30, the heating assembly 40 is started and transfers heat to the molten salt particles 50 of the first component 10 through the heat conducting member 41; the temperature of the inner side surface of the thermoelectric generation plate 22 rises, so that a temperature difference is formed between the inner side surface and the outer side surface of the thermoelectric generation plate 22, and the thermoelectric generation plate 22 generates electricity and stores energy to the electricity storage module 30;
when there is no illumination, the heating assembly 40 starts heating by using the electric energy of the electricity storage module 30 to conduct heat to the molten salt particles 50 of the first member 10, the temperature of the inner side surface of the thermoelectric generation panel 22 rises, so that a temperature difference is formed between the inner side surface and the outer side surface of the thermoelectric generation panel 22, and the thermoelectric generation panel 22 generates electricity and stores energy to the electricity storage module 30.
When the sunlight shines in the daytime, the photovoltaic panel 21 and the thermoelectric generation panel 22 can be combined to generate electricity and store energy; when there is no illumination at night, the heating assembly 40 is started by using the electric energy stored in the daytime to heat the molten salt particles 50 of the first member 10, so that a temperature difference is formed at the side of the thermoelectric generation panel 22, and the electric energy is stored by using the thermoelectric generation panel 22. Namely, no matter whether the building wallboard is illuminated or not, the fused salt particles 50 of the first member 10 can be heated by the building wallboard, and then the heat insulation effect of the building wallboard is realized.
Compared with the defects and shortcomings of the prior art, the building wallboard with the heat preservation function is reasonable in structure, the photovoltaic panel and the thermoelectric generation panel are combined to generate electricity to store electric energy to the electricity storage module, the heating assembly is used for heating by using the electric energy of the electricity storage module and conducting heat to the molten salt particles, and the temperature of the building wallboard is kept by using the characteristic that the heat dissipation of the molten salt particles is slow.
The present invention is not limited to the above embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which are the same as or similar to the technical solutions of the present invention, fall within the protection scope of the present invention.

Claims (10)

1. A building wall panel with a heat preservation function is characterized by comprising a first component (10) and a second component (20), which are detachably connected into a whole; a cavity (10 a) is arranged in the first member (10), the second member (20) is of a U-shaped plate-shaped structure in cross section, a photovoltaic plate (21) is arranged on the outer side of the second member (20), a thermoelectric generation plate (22) is arranged on the inner side of the second member (20), and the thermoelectric generation plate (22) is abutted against the inner side of the photovoltaic plate (21); the photovoltaic panel and the thermoelectric generation panel are characterized by further comprising an electricity storage module (30) and a heating assembly (40), electric energy generated by the photovoltaic panel (21) and the thermoelectric generation panel (22) is stored in the electricity storage module (30), and the heating assembly (40) is heated by the electric energy of the electricity storage module (30); the cavity (10 a) of the first member (10) is filled with molten salt particles (50), and the heat conducting piece (41) of the heating assembly (40) is inserted into the molten salt particles (50) through the through hole (11) of the first member (10) so as to conduct heat to the molten salt particles (50) and realize heat preservation of the building wallboard.
2. The building panel according to claim 1, wherein the side of the second member (20) is provided with a mounting hole (23), the mounting hole (23) matching the outer shape and size of the thermoelectric generation panel (22); the temperature difference power generation plate (22) is abutted to the inner side face of the photovoltaic plate (21) through the mounting hole (23).
3. The building panel according to claim 1, characterized in that the electricity storage module (30) is arranged in the transverse direction of the second member (20) and is located in a U-shaped open cavity (20 a) formed by the second member (20), the photovoltaic panel (21) and the thermoelectric generation panel (22) being electrically connected with the electricity storage module (30).
4. The building panel as claimed in claim 3, wherein the heating assembly (40) comprises a heating module (42) provided at a side of the electricity storage module (30); the heat-conducting member (41) is provided on a side portion of the heating module (42) and is disposed toward an outer side of the U-shaped open cavity (20 a).
5. The building panel as claimed in claim 4, wherein the heat conducting member (41) is a tubular structure, a plurality of which are provided at intervals along the length of the heating module (42); at least part of the heat-conducting member (41) is inserted into the molten salt particles (50) via the through-hole (11).
6. A building panel according to claim 1, characterised in that the first member (10) is a plate-like structure, the chamber (10 a) is provided along the plate surface, and the wall thickness outside the chamber (10 a) is uniform and 1-5mm.
7. The building panel as claimed in claim 6, wherein the first member (10) is provided with a protruding formation (12) and the second member (20) is provided with a coupling groove (24), the protruding formation (12) matching the shape, position and size of the coupling groove (24).
8. The building panel as claimed in claim 1, further comprising a control module (60), the control module (60) being in signal connection with the photovoltaic panel (21), the thermoelectric generation panel (22), the electricity storage module (30) and the heating assembly (40) to control the activation of the heating assembly (40).
9. The building panel as claimed in claim 8, wherein the first member (10) comprises a base (13) and a top plate (14), the through-going hole (11) being provided in the top plate (14); the heat-conducting property of the top plate (14) is superior to that of the base (13).
10. A method of using a building panel, characterized by using the building panel of any one of claims 1 to 9; the method comprises the following steps:
when light is emitted, the photovoltaic panel (21) generates electricity and stores the energy to the electricity storage module (30), the heating assembly (40) is started and transfers the heat to the molten salt particles (50) of the first component (10) through the heat conducting piece (41); the temperature of the inner side surface of the temperature difference power generation plate (22) rises, so that the temperature difference is formed between the inner side surface and the outer side surface of the temperature difference power generation plate (22), and the temperature difference power generation plate (22) generates power and stores the energy to the power storage module (30);
when no light is emitted, the heating assembly (40) starts heating by utilizing the electric energy of the electricity storage module (30) so as to conduct heat to the molten salt particles (50) of the first component (10), the temperature of the inner side face of the temperature difference power generation plate (22) rises, a temperature difference is formed between the inner side face and the outer side face of the temperature difference power generation plate (22), and the temperature difference power generation plate (22) generates and stores electricity to the electricity storage module (30).
CN202211330634.4A 2022-10-28 2022-10-28 Building wallboard with heat preservation function and use method thereof Active CN115387535B (en)

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CN115387535B true CN115387535B (en) 2023-03-24

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