CN216522452U - Photovoltaic photo-thermal module containing kettle-liner-shaped heat pipe water tank - Google Patents

Photovoltaic photo-thermal module containing kettle-liner-shaped heat pipe water tank Download PDF

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Publication number
CN216522452U
CN216522452U CN202122596503.8U CN202122596503U CN216522452U CN 216522452 U CN216522452 U CN 216522452U CN 202122596503 U CN202122596503 U CN 202122596503U CN 216522452 U CN216522452 U CN 216522452U
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Prior art keywords
heat pipe
liner
shaped heat
layer
water tank
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CN202122596503.8U
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袁艳平
周锦志
孙亮亮
吴聃
邓梦思
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Southwest Jiaotong University
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Southwest Jiaotong University
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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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/60—Thermal-PV hybrids

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Abstract

The utility model provides a photovoltaic photo-thermal module comprising a pot-liner-shaped heat pipe water tank. The module combines the heat storage water tank with the heat pipe, so that the solar photo-thermal heat exchange area is enlarged, the heat transfer distance and the thermal resistance between solar energy and the water tank are reduced, and the photoelectric photo-thermal comprehensive efficiency of the photovoltaic photo-thermal module is improved; meanwhile, the pot-shaped heat pipe has the one-way heat transfer characteristic, the heat preservation performance of the module is improved, and the heat loss of the module on a light absorption surface at night is reduced. The utility model has the characteristics of easy processing, easy combination with buildings and the like, breaks through the limitation of day and night large temperature difference climate, and can provide electric energy and hot water for buildings in different climate areas.

Description

Photovoltaic photo-thermal module containing kettle-liner-shaped heat pipe water tank
Technical Field
The utility model belongs to the field of photovoltaic photo-thermal building integration, and particularly relates to an application of a pot-liner-shaped heat pipe in a photovoltaic photo-thermal system.
Background
The traditional solar photovoltaic photo-thermal integrated system mostly adopts a form of separating a heat collector from a heat reservoir, and has the defects of small heat exchange area, long heat transfer path and the like; the closed sunning type heat collector has the advantages of simple structure, large heat exchange area and the like, but has the defects of high heat dissipation coefficient of a heat absorption surface, quick water temperature reduction at night and the like. Therefore, the design of a photovoltaic photo-thermal system with good heat preservation and excellent heat exchange performance is the development direction of solar building integration in the future.
SUMMERY OF THE UTILITY MODEL
The utility model provides a photovoltaic photo-thermal module comprising a pot liner-shaped heat pipe water tank, aiming at the problems of small heat exchange area, poor heat preservation performance at night and the like of the conventional photovoltaic photo-thermal module. The system combines the kettle liner-shaped heat pipe with the heat storage water tank, and enlarges the heat exchange area of the evaporation section and the condensation section of the heat pipe; meanwhile, the special structure of the kettle-liner-shaped heat pipe is utilized to realize the heat conduction and heat insulation effects at daytime and night, the heat dissipation coefficient of the heat absorption surface of the module is reduced, and the application range of the system is expanded.
In order to realize the purpose of the utility model, the technical proposal of the utility model is as follows:
a photovoltaic photo-thermal module comprising a pot-container-shaped heat pipe water tank comprises a light conversion layer, a heat insulation layer positioned on the sunny side of the light conversion layer, a heat transfer layer positioned on the backlight side of the light conversion layer, and a heat storage layer positioned in the heat transfer layer;
the heat insulation layer comprises a light transmitting layer 1 positioned on the outmost layer of the heat insulation layer facing the sun and an air layer 2 positioned between the light transmitting layer 1 and the illumination conversion layer;
the illumination conversion layer is a flexible photovoltaic assembly 3, and the flexible photovoltaic assembly 3 is fixedly adhered to the surface of the sunny side of the pot-gall-shaped heat pipe water tank 5 through a heat conduction adhesive 4;
the heat transfer layer is a liner-shaped heat pipe water tank 5 and comprises a liner-shaped heat pipe evaporation section 5-1, a liquid absorption core 5-2, a refrigerant 5-3, a liner-shaped heat pipe condensation section 5-4 and a liner-shaped heat pipe water tank opening 8; the kettle liner-shaped heat pipe evaporation section 5-1 is an outer cavity on the outer surface of a heat transfer layer, the side surface of the inner wall of the kettle liner-shaped heat pipe evaporation section 5-1 is provided with a liquid absorption core 5-2, the bottom of the inner wall of the kettle liner-shaped heat pipe evaporation section 5-1 is filled with a refrigerant 5-3, the bottom end of the liquid absorption core 5-2 is positioned below the liquid level of the refrigerant 5-3, the kettle liner-shaped heat pipe condensation section 5-4 is concentrically arranged inside the kettle liner-shaped heat pipe evaporation section 5-1, a closed cavity for the refrigerant to work is formed between the inner wall of the kettle liner-shaped heat pipe evaporation section 5-1 and the outer wall of the kettle liner-shaped heat pipe condensation section 5-4, and the top of the kettle liner-shaped heat pipe condensation section 5-4 is provided with a circular kettle liner-shaped heat pipe water tank opening 8;
the heat storage layer is heat storage water 6 in the inner wall of the condensation section 5-4 of the kettle liner-shaped heat pipe.
Preferably, the backlight side and the bottom of the pot-liner-shaped heat pipe water tank 5 are provided with heat insulation layers 7.
Preferably, the light-transmitting layer 1 is an acrylic sheet or a PVC sheet, and the light-transmitting layer 1 is a single-layer light-transmitting layer or a double-layer hollow light-transmitting layer.
Preferably, a gap is arranged between the upper liquid level of the refrigerant 5-3 and the bottom of the condensation section 5-4 of the liner-shaped heat pipe.
As a preferable mode, the top of the evaporation section 5-1 of the kettle-liner-shaped heat pipe and the top of the condensation section 5-4 of the kettle-liner-shaped heat pipe are welded and fixed.
Preferably, the flexible photovoltaic module 3 comprises a transparent ethylene-tetrafluoroethylene ETFE film 3-1, an ethylene-vinyl acetate copolymer EVA layer 3-2, a flexible photovoltaic cell sheet 3-3, an ethylene-vinyl acetate copolymer EVA layer 3-2 and a black TPT film 3-4 in sequence from the sunny side to the backlight side, and the above layers are integrally formed in a laminating manner.
The working principle of the utility model is as follows:
the euphotic layer 1 is positioned at the outermost layer of the light absorption surface and plays a role in protection, and the air layer 9 and the heat preservation layer 7 are used for reducing the heat loss of the module. The illumination conversion layer is used for absorbing illumination and converting the illumination into electric energy and heat energy. The hot water 6 in the heat storage layer is used for absorbing and storing heat from the heat transfer layer.
When the system operates, illumination reaches the flexible photovoltaic module 3 through the euphotic layer 1 and the air layer 2, the flexible photovoltaic module 3 converts part of illumination into electric energy, and other illumination is converted into heat energy. The heat passes through the liner-shaped heat pipe evaporation section 5-1 to heat the refrigerant 5-3 positioned at the bottom and in the liquid absorption core 5-2. After absorbing heat and vaporizing, the liquid refrigerant rises to reach the condensation section 5-4 of the liner-shaped heat pipe, the gaseous refrigerant releases heat to hot water 6 in the inner wall of the condensation section 5-4 of the liner-shaped heat pipe, then the hot water is changed into liquid, the liquid refrigerant flows back to the bottom of the evaporation section 5-1 of the liner-shaped heat pipe along the wall surface under the action of gravity, and the liquid absorption core 5-2 continuously and uniformly distributes the refrigerant 5-3 on the inner wall surface by utilizing capillary force to complete one heat transfer cycle. The hot water 6 is heated by the condenser section 5-4 of the heat pipe in the shape of a pot liner, and then exchanges heat and stores heat in a natural convection heat exchange mode.
The pot-liner-shaped heat pipe water tank 5 forms a one-way heat transfer component by utilizing a special structure of the water tank, so that heat conduction is realized in the daytime, and heat insulation and preservation effects are realized at night.
The technical concept of the system of the utility model is as follows:
the system combines the flexible photovoltaic cell with the kettle liner-shaped heat pipe, enlarges the heat exchange area by utilizing the kettle liner-shaped structure, and realizes heat transfer and heat insulation in different time periods by the unidirectional heat transfer characteristic of the heat pipe.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model combines the heat transfer component and the heat reservoir, effectively utilizes the space and realizes the expansion of the heat exchange area.
2. The heat conduction and heat insulation function at daytime and night is realized by utilizing the unidirectional heat conduction characteristic of the pot liner-shaped heat pipe.
Drawings
Fig. 1 is a front view of a photovoltaic photo-thermal module structure including a pot-bladder-shaped heat pipe water tank according to an embodiment of the present invention;
fig. 2 is a top view of a photovoltaic photo-thermal module including a pot-bladder-shaped heat pipe water tank according to an embodiment of the utility model;
fig. 3 is a side cross-sectional view of a flexible photovoltaic module according to an embodiment of the present invention.
In the figure, 1 is a light transmission layer, 2 is an air layer, 3 is a flexible photovoltaic module, 4 is a heat conducting glue, 5 is a pot-liner-shaped heat pipe water tank, 5-1 is a pot-liner-shaped heat pipe evaporation section, 5-2 is a liquid absorption core, 5-3 is a refrigerant, 5-4 is a pot-liner-shaped heat pipe condensation section, 6 is hot water storage, 7 is a heat preservation layer, 8 is a pot-liner-shaped heat pipe water tank opening, 3-1 is an ethylene-tetrafluoroethylene (ETFE) film, 3-2 is an ethylene-vinyl acetate copolymer (EVA) layer, 3-3 is a flexible PV cell sheet, and 3-4 is a black TPT film.
Detailed Description
As shown in fig. 1 and fig. 2, the present embodiment provides a photovoltaic photo-thermal module including a pot-bladder-shaped heat pipe water tank, which includes a light conversion layer, a thermal insulation layer located on a sunny side of the light conversion layer, a heat transfer layer located on a backlight side of the light conversion layer, and a heat storage layer located in the heat transfer layer;
the heat insulation layer comprises a light transmitting layer 1 positioned on the outmost layer of the heat insulation layer facing the sun and an air layer 2 positioned between the light transmitting layer 1 and the illumination conversion layer;
as shown in fig. 3, the illumination conversion layer is a flexible photovoltaic module 3, and the flexible photovoltaic module 3 is fixedly adhered to the surface of the sunny side of the pot-gallbladder-shaped heat pipe water tank 5 through a heat conducting adhesive 4;
the heat transfer layer is a liner-shaped heat pipe water tank 5 and comprises a liner-shaped heat pipe evaporation section 5-1, a liquid absorption core 5-2, a refrigerant 5-3, a liner-shaped heat pipe condensation section 5-4 and a liner-shaped heat pipe water tank opening 8; the kettle liner-shaped heat pipe evaporation section 5-1 is an outer cavity on the outer surface of a heat transfer layer, the side surface of the inner wall of the kettle liner-shaped heat pipe evaporation section 5-1 is provided with a liquid absorption core 5-2, the bottom of the inner wall of the kettle liner-shaped heat pipe evaporation section 5-1 is filled with a refrigerant 5-3, the bottom end of the liquid absorption core 5-2 is positioned below the liquid level of the refrigerant 5-3, the kettle liner-shaped heat pipe condensation section 5-4 is concentrically arranged inside the kettle liner-shaped heat pipe evaporation section 5-1, a closed cavity for the refrigerant to work is formed between the inner wall of the kettle liner-shaped heat pipe evaporation section 5-1 and the outer wall of the kettle liner-shaped heat pipe condensation section 5-4, and the top of the kettle liner-shaped heat pipe condensation section 5-4 is provided with a circular kettle liner-shaped heat pipe water tank opening 8;
the heat storage layer comprises hot water 6 in the inner wall of the condensation section 5-4 of the liner-shaped heat pipe.
The backlight side and the bottom of the pot-liner-shaped heat pipe water tank 5 are provided with heat insulation layers 7.
The euphotic layer 1 is an acrylic plate or a PVC plate, and the euphotic layer 1 is a single-layer euphotic layer or a double-layer hollow euphotic layer.
A gap is arranged between the upper liquid level of the refrigerant 5-3 and the bottom of the condensation section 5-4 of the pot liner-shaped heat pipe.
The top of the kettle liner-shaped heat pipe evaporation section 5-1 and the top of the kettle liner-shaped heat pipe condensation section 5-4 are welded and fixed.
The TPT film is formed by three layers of films of polyvinyl fluoride film-polyester film-polyvinyl fluoride film.
The euphotic layer 1 is positioned at the outermost layer of the light absorption surface and plays a role in protection, and the air layer 9 and the heat preservation layer 7 are used for reducing the heat loss of the module. The illumination conversion layer is used for absorbing illumination and converting the illumination into electric energy and heat energy. The hot water 6 in the heat storage layer is used for absorbing and storing heat from the heat transfer layer.
The working method of the embodiment comprises the following steps: when the system operates, illumination reaches the flexible photovoltaic module 3 through the euphotic layer 1 and the air layer 2, the flexible PV cell 3-3 in the flexible photovoltaic module 3 converts part of the illumination into electric energy, and other illumination is converted into heat energy. The heat passes through the liner-shaped heat pipe evaporation section 5-1 to heat the refrigerant 5-3 positioned at the bottom and in the liquid absorption core 5-2. After absorbing heat and vaporizing, the liquid refrigerant rises to reach the condensation section 5-4 of the liner-shaped heat pipe, the gaseous refrigerant releases heat to hot water 6 in the inner wall of the condensation section 5-4 of the liner-shaped heat pipe, then the hot water is changed into liquid, the liquid refrigerant flows back to the bottom of the evaporation section 5-1 of the liner-shaped heat pipe along the wall surface under the action of gravity, and the liquid absorption core 5-2 uniformly distributes the refrigerant 5-3 inside by utilizing capillary force to complete one heat transfer cycle. The hot water 6 is heated by the condenser section 5-4 of the heat pipe in the shape of a pot liner, and then exchanges heat and stores heat in a natural convection heat exchange mode. The pot-liner-shaped heat pipe water tank 5 forms a one-way heat transfer component by utilizing a special structure of the water tank, so that heat conduction is realized in the daytime, and heat insulation and preservation effects are realized at night.
While the present invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (6)

1. The utility model provides a photovoltaic light and heat module that contains kettle courage shape heat pipe water tank which characterized in that: comprises a light conversion layer, a heat insulation layer positioned on the sunny side of the light conversion layer, a heat transfer layer positioned on the backlight side of the light conversion layer and a heat storage layer positioned in the heat transfer layer;
the heat insulation layer comprises a light transmitting layer (1) positioned on the outmost layer of the heat insulation layer facing the sun and an air layer (2) positioned between the light transmitting layer (1) and the illumination conversion layer;
the illumination conversion layer is a flexible photovoltaic assembly (3), and the flexible photovoltaic assembly (3) is fixedly adhered to the surface of the sunny side of the pot liner-shaped heat pipe water tank (5) through heat conducting glue (4);
the heat transfer layer is a liner-shaped heat pipe water tank (5) and comprises a liner-shaped heat pipe evaporation section (5-1), a liquid absorption core (5-2), a refrigerant (5-3), a liner-shaped heat pipe condensation section (5-4) and a liner-shaped heat pipe water tank opening (8); the heat pipe comprises a liner-shaped heat pipe evaporation section (5-1), a liquid absorption core (5-2) is attached to the side surface of the inner wall of the liner-shaped heat pipe evaporation section (5-1), a refrigerant (5-3) is injected into the bottom of the inner wall of the liner-shaped heat pipe evaporation section (5-1), the bottom end of the liquid absorption core (5-2) is positioned below the liquid level of the refrigerant (5-3), a liner-shaped heat pipe condensation section (5-4) is concentrically arranged in the liner-shaped heat pipe evaporation section (5-1), a closed cavity for the refrigerant to work is formed between the inner wall of the liner-shaped heat pipe evaporation section (5-1) and the outer wall of the liner-shaped heat pipe condensation section (5-4), and a circular liner-shaped heat pipe water tank opening (8) is formed at the top of the liner-shaped heat pipe condensation section (5-4);
the heat storage layer is heat storage water (6) in the inner wall of the condensation section (5-4) of the pot-shaped heat pipe.
2. The photovoltaic photo-thermal module comprising a pot-bladder-shaped heat pipe water tank as claimed in claim 1, wherein: the backlight side and the bottom of the pot-liner-shaped heat pipe water tank (5) are provided with heat insulation layers (7).
3. The photovoltaic photo-thermal module comprising a pot-bladder-shaped heat pipe water tank as claimed in claim 1, wherein: the light transmitting layer (1) is an acrylic plate or a PVC plate, and the light transmitting layer (1) is a single-layer light transmitting layer or a double-layer hollow light transmitting layer.
4. The photovoltaic photo-thermal module comprising a pot-bladder-shaped heat pipe water tank as claimed in claim 1, wherein: a gap is arranged between the upper liquid level of the refrigerant (5-3) and the bottom of the condensation section (5-4) of the liner-shaped heat pipe.
5. The photovoltaic photo-thermal module comprising a pot-bladder-shaped heat pipe water tank as claimed in claim 1, wherein: the top of the kettle liner-shaped heat pipe evaporation section (5-1) and the top of the kettle liner-shaped heat pipe condensation section (5-4) are welded and fixed.
6. The photovoltaic photo-thermal module comprising a pot-bladder-shaped heat pipe water tank as claimed in claim 1, wherein: the flexible photovoltaic module (3) sequentially comprises a transparent ethylene-tetrafluoroethylene (ETFE) film (3-1), an ethylene-vinyl acetate copolymer (EVA) layer (3-2), a flexible photovoltaic cell piece (3-3), an ethylene-vinyl acetate copolymer (EVA) layer (3-2) and a black TPT film (3-4) from the sunny side to the backlight side, and the layers are integrally formed in a laminating mode.
CN202122596503.8U 2021-10-27 2021-10-27 Photovoltaic photo-thermal module containing kettle-liner-shaped heat pipe water tank Active CN216522452U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122596503.8U CN216522452U (en) 2021-10-27 2021-10-27 Photovoltaic photo-thermal module containing kettle-liner-shaped heat pipe water tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122596503.8U CN216522452U (en) 2021-10-27 2021-10-27 Photovoltaic photo-thermal module containing kettle-liner-shaped heat pipe water tank

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CN216522452U true CN216522452U (en) 2022-05-13

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