CN111327270A - Double-cold-condenser heat pipe type photovoltaic photo-thermal module-super-Lambert wall system and method - Google Patents

Double-cold-condenser heat pipe type photovoltaic photo-thermal module-super-Lambert wall system and method Download PDF

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Publication number
CN111327270A
CN111327270A CN202010243091.7A CN202010243091A CN111327270A CN 111327270 A CN111327270 A CN 111327270A CN 202010243091 A CN202010243091 A CN 202010243091A CN 111327270 A CN111327270 A CN 111327270A
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China
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heat
wall
refrigerant
solar
heat exchange
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CN202010243091.7A
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Chinese (zh)
Inventor
袁艳平
周锦志
余南阳
钟巍
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Southwest Jiaotong University
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Southwest Jiaotong University
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Priority to CN202010243091.7A priority Critical patent/CN111327270A/en
Publication of CN111327270A publication Critical patent/CN111327270A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40Thermal components
    • H02S40/44Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40Thermal components
    • H02S40/42Cooling means
    • H02S40/425Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/60Thermal-PV hybrids

Abstract

The invention provides a double-cold-condenser heat pipe type photovoltaic photo-thermal module-super-Lambert wall system and a method. The system can realize multiple functions of power generation, hot water production, heating and the like, and in non-heating seasons, the solar photovoltaic and photothermal module is combined with the double-cold condenser, the water pump and the outdoor heat storage water tank to realize the hot water production function; in the heating season, the solar photovoltaic thermal module is combined with the double-cooling condenser, the fan and the special Lambert wall, the heat transfer rate of the heat pipe and the special Lambert wall is enhanced in a forced air cooling heat exchange mode, and the photoelectric and photothermal comprehensive efficiency of the solar photovoltaic thermal module is improved. Besides seasonal hot water making and heating functions, the system can realize annual power supply. The invention is easy to process and combine with the building, and can realize multifunctional output to meet different requirements of the building according to the illumination characteristics in different seasons.

Description

Double-cold-condenser heat pipe type photovoltaic photo-thermal module-super-Lambert wall system and method
Technical Field
The invention belongs to the field of combination of a photovoltaic photo-thermal technology and a building, and particularly relates to application of a heat pipe type photovoltaic photo-thermal system and a special Lambert wall in the building.
Background
The solar photovoltaic photo-thermal integration technology (PV/T) combines the functions of two systems of a traditional solar photovoltaic panel and a solar thermal collector, and can provide electric energy and heat energy simultaneously. In order to solve the problem of freezing in the photovoltaic and photo-thermal module in winter, a heat pipe technology is introduced into the photovoltaic and photo-thermal system. At present, most of heat pipe type photovoltaic photo-thermal systems are in a single cooling mode, such as single air cooling mode and single water cooling mode, and the structure limits the output function of the system.
The special Lambert wall is used as a mature heating structure wall, and can heat indoor air through natural convection or forced convection heat exchange. The combination of the Lambertian wall and the photovoltaic photothermal technology increases the application forms of PV/T. However, the photoelectric and photothermal comprehensive efficiency of the Lambert wall is not higher than 45% in a natural convection or forced convection cooling state because the Lambert wall only uses a single cooling mode. Most of the energy is dissipated outdoors in the form of heat loss, so that the photovoltaic and photothermal integrated efficiency can be improved by utilizing various cooling modes.
Chinese patents 'a heat pipe type photovoltaic photo-thermal component' (CN201310539314.4) and 'a heat pipe type photovoltaic photo-thermal integrated plate' (CN201310475617.4) all adopt a single water cooling mode to achieve the function of heating water. A solar multifunctional wall (CN201410558931.3) introduces a natural convection heat exchange special Lambert wall heating and formaldehyde removal system, and a solar heat collection and ventilation system (CN201820406956.5) facing a passive room introduces a solar heat collector, a heat pipe and a special Lambert wall combined hot water system, wherein the systems all adopt a single cooling mode, and the solar utilization efficiency needs to be improved.
Disclosure of Invention
The invention provides a double-cold-condenser heat pipe type photovoltaic photo-thermal module-T lambert wall combination system, aiming at the problems that the existing heat pipe type photovoltaic photo-thermal module is single in heat exchange mode, single in solar energy T-lambert wall cooling mode, low in heat exchange efficiency and the like. The system combines the double-cooling heat exchanger, the heat pipe type photovoltaic photo-thermal module and the special Lambert wall, increases the output function of the photovoltaic photo-thermal module in two heat exchange modes of the single heat exchanger, and utilizes the combination of the heat pipe and the special Lambert wall to superpose and cool the photovoltaic photo-thermal module in a forced convection heat exchange mode, so that the photoelectric photo-thermal comprehensive efficiency of the system is improved.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a double-cold-condenser heat pipe type photovoltaic photo-thermal module-super-Lambert wall system comprises a solar photovoltaic photo-thermal module 1, a double-cold condenser 10, a water pump 14, a heat storage water tank 15, a fan 16, a super-Lambert wall 23, a solar storage battery 24 and a solar inverse control integrated machine 25;
the solar photovoltaic thermal module 1 is used for absorbing and converting solar energy and providing electric energy and heat energy for a system, the solar photovoltaic thermal module 1 comprises a glass plate 2 close to an illumination side, a heat absorption plate 5 close to a user side, and a heat insulation air layer 3 between the glass plate 2 and the heat absorption plate 5, a solar cell array 4 is fixed on a light absorption surface of the heat absorption plate 5, and a microchannel evaporator plate core 6 is fixed on a backlight surface of the heat absorption plate 5; the upper end of the micro-channel evaporator core 6 is communicated with the lower end of a refrigerant steam pipe 8, the upper end of the refrigerant steam pipe 8 is communicated with the inlet of a refrigerant heat exchange pipe 11, the outlet of the refrigerant heat exchange pipe 11 is communicated with a refrigerant liquid return pipe 9,
the double-cold condenser 10 is arranged above the solar photovoltaic thermal module 1, a refrigerant heat exchange tube 11 and a water-cooling heat exchange tube 12 are arranged inside the double-cold condenser 10, the refrigerant heat exchange tube 11 and the water-cooling heat exchange tube 12 are arranged adjacently, an air-cooling channel 13 is formed between the adjacent microchannel refrigerant heat exchange tubes 11 at intervals, the double-cold condenser 10 is positioned at an air outlet 18 on a special lambert wall, and the water-cooling heat exchange tube 12 is connected with a hot water storage tank 15 through a water pump 14 to form a cooling water channel; the special Lambert wall 23 is provided with a special Lambert wall upper wind outlet 18, a special Lambert wall wind inlet 17 and a special Lambert wall lower wind outlet 19 from top to bottom, the special Lambert wall upper wind outlet 18, the special Lambert wall wind inlet 17 and the special Lambert wall lower wind outlet 19 are all located indoors, and the fan 16 is arranged at the special Lambert wall wind inlet 17.
The solar storage battery 24 is connected with the solar photovoltaic thermal module 1 through an electric wire and used for storing electric energy, and the solar inversion control all-in-one machine 25 is connected with the solar storage battery 24 and used for converting direct current in the solar storage battery into alternating current to be supplied to a user side 26.
Preferably, the super-lambertian wall wind outlet 18 is provided with a super-lambertian wall wind outlet baffle 21, the super-lambertian wall wind inlet 17 is provided with a super-lambertian wall wind inlet baffle 20, and the super-lambertian wall down-wind outlet 19 is provided with a super-lambertian wall down-wind outlet baffle 22.
Preferably, the center of the wind inlet 17 on the specially-lambertian wall and the position of the wind outlet 18 on the specially-lambertian wall are higher than those of the solar photovoltaic thermal module 1.
Preferably, the solar cell array 4 and the microchannel evaporator core 6 are respectively fixed on the light absorbing surface and the back surface of the heat absorbing plate 5 by hot melt adhesive lamination.
Preferably, the hot water storage tank 15 is provided with a water outlet connected to the user end 26.
In order to achieve the purpose, the invention also provides a use method of the double-cold-condenser heat pipe type photovoltaic photo-thermal module-special lambertian wall system, which comprises the following steps:
in non-heating seasons, the solar photovoltaic thermal module 1, the microchannel refrigerant heat exchange tube 11, the water-cooled heat exchange tube 12, the heat storage water tank 15 and the water pump 14 run in a combined manner, liquid refrigerant in the microchannel evaporator core 6 absorbs solar heat and then changes phase into gaseous steam, the gaseous steam enters the microchannel refrigerant heat exchange tube 11 in the double-cold condenser 10 through the refrigerant steam tube 8, at the moment, the water pump 14 is started, water in the heat storage water tank 15 enters the water-cooled heat exchange tube 12 in the double-cold condenser 10 under the driving of the water pump 14, the gaseous refrigerant and cooling water exchange heat in the form of refrigerant two-phase flow-water forced convection heat exchange on the inner wall of the microchannel refrigerant heat exchange tube 11, the cooled gaseous refrigerant changes phase into liquid, the cooled gaseous refrigerant flows into the microchannel evaporator core 6 through the refrigerant liquid return tube 9 under the action of gravity, the primary heat pipe heat transfer cycle process is, completing the primary heat absorption process, and when the water reaches the temperature required by use, providing hot water by the heat storage water tank 15 through the client 26;
in the heating season, the solar photovoltaic thermal module 1, the microchannel refrigerant heat exchange tube 11, the fan 16 and the special lambert-wall 23 run in a combined mode; liquid refrigerant in the micro-channel evaporator plate core 6 absorbs solar heat and then is changed into gaseous steam, and the gaseous steam enters a micro-channel refrigerant heat exchange tube 11 in the double-cold condenser 10 through a refrigerant steam tube 8; at the moment, a fan 16 is started, indoor cold air enters a wall body from a wind inlet 17 in a special lambert-wall under the drive of the fan 16 and then respectively flows upwards and downwards, the air flowing upwards enters an air cooling channel 13 in a double-cold condenser 10, gaseous refrigerant and cold air exchange heat in a refrigerant two-phase flow-air forced convection heat exchange mode on the outer wall of a micro-channel refrigerant heat exchange tube 11, the cooled gaseous refrigerant is changed into liquid, the cooled gaseous refrigerant flows into a micro-channel evaporator core 6 through a refrigerant liquid return tube 9 under the action of gravity, the heat transfer cycle process of a heat pipe is completed, and the heated air enters the room through a wind outlet 18 on the special lambert-wall; the air flowing downwards performs forced convection heat exchange with the heat absorbing plate 5, and the heated air enters the room from the lower wind outlet 19 of the Lambert wall. The heat pipe and the Lambert wall are operated in a combined mode, the heat absorption plate 5 is cooled doubly in a forced convection heat exchange mode, the solar energy utilization rate is improved, and the heating function is completed.
The solar storage battery 24 is connected with the solar photovoltaic thermal module 1 through an electric wire and used for storing electric energy, and the solar inversion control all-in-one machine 25 is connected with the solar storage battery 24 and used for converting direct current in the solar storage battery into alternating current to be supplied to a user side 26.
Preferably, in the non-heating season, the air inlet baffle 20, the air outlet baffle 21 and the air outlet baffle 22 on the extra lambertian wall are closed, so that a closed space is formed in the wall body and serves as an insulating layer of the double-cold condenser 10, and the heat loss during the operation of the double-cold condenser is reduced.
The system can realize the function of independently making hot water or heating through two different heat exchange modes (water cooling or air cooling) of the double-cold condenser 10.
The technical concept of the system of the invention is as follows:
the water-cooling air-cooling double-cooling heat exchanger is used as a condenser of the heat pipe type photovoltaic photo-thermal module and is combined with a special Lambert wall technology. The system provides hot water and electric energy for buildings, and realizes the functions of heating and the like. In non-heating seasons, the heat pipe type photovoltaic photo-thermal system can independently operate to supply power and hot water for buildings. In the heating season, the heat pipe type photovoltaic photo-thermal system is combined with the specially-Lambert wall, the heat pipe and the specially-Lambert wall are used for jointly cooling the photovoltaic photo-thermal module, and heating is carried out on the building.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention takes the water-cooling air-cooling double-cooling heat exchanger as the condenser of the heat pipe type photovoltaic photo-thermal module, and realizes two functions of heating water and heating by using a single heat exchanger.
2. The double-cold condenser and the special Lambert wall both adopt a forced convection heat exchange mode, so that the heat exchange coefficient of the heat exchanger is improved.
3. The heat pipe and the Lambert are combined to perform superposition cooling on the photovoltaic photo-thermal module, so that the photoelectric photo-thermal comprehensive efficiency of the photovoltaic photo-thermal module is improved, and the heating capacity is improved.
Drawings
Fig. 1 is a schematic structural view of a double-cold-condenser heat pipe type photovoltaic/thermal module-specifically lambertian wall combination system according to an embodiment of the present invention;
fig. 2 is a plan view of a hot water heating mode of a non-heating season double-cold condenser heat pipe photovoltaic photo-thermal module according to an embodiment of the present invention;
FIG. 3 is a plan view of a double-cold condenser heat pipe photovoltaic and photothermal module-a special Lambert wall heating mode in a heating season according to an embodiment of the present invention;
in the figure, 1 is a solar photovoltaic photothermal module, 2 is a glass plate, 3 is a heat insulation air layer, 4 is a solar cell array, 5 is a heat absorption plate, 6 is a microchannel evaporator plate core, 7 is a photovoltaic photothermal module frame, 8 is a refrigerant steam pipe, 9 is a refrigerant return pipe, 10 is a double-cooling condenser, 11 is a microchannel refrigerant heat exchange pipe, 12 is a water-cooling heat exchange pipe, 13 is an air cooling channel, 14 is a water pump, 15 is a heat storage water tank, 16 is a fan, 17 is a specially lambert wall wind inlet, 18 is a specially lambert wall wind outlet, 19 is a specially lambert wall wind outlet, 20 is a specially lambert wall wind inlet baffle, 21 is a specially lambert wall wind outlet baffle, 22 is a specially lambert wall wind outlet baffle, 23 is a specially lambert wall, 24 is a solar storage battery, 25 is a solar inversion control all-in-one machine, and 26 is a user terminal.
Detailed Description
As shown in fig. 1, a double-cold-condenser heat pipe type photovoltaic and photo-thermal module-special lambert wall system comprises a solar photovoltaic and photo-thermal module 1, a double-cold condenser 10, a water pump 14, a heat storage water tank 15, a fan 16, a special lambert wall 23, a solar storage battery 24 and a solar inversion control all-in-one machine 25;
the solar photovoltaic thermal module 1 is used for absorbing and converting solar energy and providing electric energy and heat energy for a system, the solar photovoltaic thermal module 1 comprises a glass plate 2 close to the illumination side, a heat absorption plate 5 close to the user side, and a heat insulation air layer 3 between the glass plate 2 and the heat absorption plate 5, a solar cell array 4 is fixed on the light absorption surface of the heat absorption plate 5 in a hot melt adhesive laminating mode, and a microchannel evaporator plate core 6 is fixed on the backlight surface of the heat absorption plate 5 in a hot melt adhesive laminating mode; the upper end of the micro-channel evaporator plate core 6 is communicated with the lower end of a refrigerant steam pipe 8, the upper end of the refrigerant steam pipe 8 is communicated with the inlet of a refrigerant heat exchange pipe 11, the outlet of the refrigerant heat exchange pipe 11 is communicated with a refrigerant liquid return pipe 9, and the solar photovoltaic photothermal module 1 is embedded in a wall.
The double-cold condenser 10 is arranged above the solar photovoltaic thermal module 1, a refrigerant heat exchange tube 11 and a water-cooling heat exchange tube 12 are arranged inside the double-cold condenser 10, the refrigerant heat exchange tube 11 and the water-cooling heat exchange tube 12 are arranged adjacently, an air-cooling channel 13 is formed between the adjacent microchannel refrigerant heat exchange tubes 11 at intervals, the double-cold condenser 10 is positioned at an air outlet 18 on a special lambert wall, and the water-cooling heat exchange tube 12 is connected with a hot water storage tank 15 through a water pump 14 to form a cooling water channel; the heat storage water tank 15 is provided with a water outlet connected to the user end 26. The super-lambertian wall 23 is provided with a super-lambertian wall upper wind outlet 18, a super-lambertian wall wind inlet 17 and a super-lambertian wall lower wind outlet 19 from top to bottom respectively, the super-lambertian wall upper wind outlet 18, the super-lambertian wall wind inlet 17 and the super-lambertian wall lower wind outlet 19 are all located indoors, the fan 16 is arranged at the super-lambertian wall wind inlet 17, and the positions of the center of the super-lambertian wall wind inlet 17 and the position of the super-lambertian wall upper wind outlet 18 are all higher than that of the solar photovoltaic thermal module 1. The super-lambertian wall upper wind outlet 18 is provided with a super-lambertian wall upper wind outlet baffle 21, the super-lambertian wall wind inlet 17 is provided with a super-lambertian wall wind inlet baffle 20, and the super-lambertian wall lower wind outlet 19 is provided with a super-lambertian wall lower wind outlet baffle 22.
The solar storage battery 24 is connected with the solar photovoltaic thermal module 1 through an electric wire and used for storing electric energy, and the solar inversion control all-in-one machine 25 is connected with the solar storage battery 24 and used for converting direct current in the solar storage battery into alternating current to be supplied to a user side 26.
The embodiment also provides a use method of the double-cold-condenser heat pipe type photovoltaic photo-thermal module-special lambertian wall system, which comprises the following steps:
as shown in fig. 2, in non-heating seasons, the solar photovoltaic thermal module 1, the microchannel refrigerant heat exchange tube 11, the water-cooled heat exchange tube 12, the heat storage water tank 15 and the water pump 14 operate in combination, the liquid refrigerant in the microchannel evaporator core 6 absorbs solar heat and then changes into gaseous steam, the gaseous steam enters the microchannel refrigerant heat exchange tube 11 in the double-cold condenser 10 through the refrigerant steam tube 8, at this time, the water pump 14 is turned on, water in the heat storage water tank 15 enters the water-cooled heat exchange tube 12 in the double-cold condenser 10 under the driving of the water pump 14, the gaseous refrigerant and cooling water exchange heat in the form of refrigerant two-phase flow-water forced convection heat exchange on the inner wall of the microchannel refrigerant heat exchange tube 11, the cooled gaseous refrigerant changes into liquid, the cooled gaseous refrigerant flows into the microchannel evaporator core 6 through the refrigerant return tube 9 under the action of gravity, a heat pipe transfer cycle process is completed, and, completing the primary heat absorption process, and when the water reaches the temperature required by use, providing hot water by the heat storage water tank 15 through the client 26; in non-heating seasons, the air inlet baffle 20 in the specially-lambert wall, the air outlet baffle 21 on the specially-lambert wall and the air outlet baffle 22 under the specially-lambert wall are closed, a closed space is formed in the wall body and serves as a heat insulation layer of the double-cold condenser 10, and heat loss during the working period of the double-cold condenser is reduced.
As shown in fig. 3, in the heating season, the air inlet baffle 20 and the air outlet baffle 21 of the super lambertian wall and the air outlet baffle 22 of the super lambertian wall are opened, and the solar photovoltaic thermal module 1, the microchannel refrigerant heat exchange tube 11, the fan 16 and the super lambertian wall 23 run jointly; liquid refrigerant in the micro-channel evaporator plate core 6 absorbs solar heat and then is changed into gaseous steam, and the gaseous steam enters a micro-channel refrigerant heat exchange tube 11 in the double-cold condenser 10 through a refrigerant steam tube 8; at the moment, a fan 16 is started, indoor cold air enters a wall body from a wind inlet 17 in a special lambert-wall under the drive of the fan 16 and then respectively flows upwards and downwards, the air flowing upwards enters an air cooling channel 13 in a double-cold condenser 10, gaseous refrigerant and cold air exchange heat in a refrigerant two-phase flow-air forced convection heat exchange mode on the outer wall of a micro-channel refrigerant heat exchange tube 11, the cooled gaseous refrigerant is changed into liquid, the cooled gaseous refrigerant flows into a micro-channel evaporator core 6 through a refrigerant liquid return tube 9 under the action of gravity, the heat transfer cycle process of a heat pipe is completed, and the heated air enters the room through a wind outlet 18 on the special lambert-wall; the air flowing downwards performs forced convection heat exchange with the heat absorbing plate 5, and the heated air enters the room from the lower wind outlet 19 of the Lambert wall. The heat pipe and the Lambert wall are operated in a combined mode, the heat absorption plate 5 is cooled doubly in a forced convection heat exchange mode, the solar energy utilization rate is improved, and the heating function is completed.
The solar storage battery 24 is connected with the solar photovoltaic thermal module 1 through an electric wire and used for storing electric energy, and the solar inversion control all-in-one machine 25 is connected with the solar storage battery 24 and used for converting direct current in the solar storage battery into alternating current to be supplied to a user side 26.
The system can realize the function of independently making hot water or heating through two different heat exchange modes (water cooling or air cooling) of the double-cold condenser 10.
The system provided by the invention is convenient to install, is very suitable for being combined with a building, and can realize multifunctional output to meet different requirements of users in the building according to the illumination characteristics in different seasons.
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 invention as defined by the appended claims.

Claims (7)

1. The utility model provides a two cold condenser heat pipe formula photovoltaic light and heat module-special Lambert wall system which characterized in that: the solar energy reverse control system comprises a solar photovoltaic and photothermal module (1), a double-cooling condenser (10), a water pump (14), a heat storage water tank (15), a fan (16), a special Lambert wall (23), a solar storage battery (24) and a solar reverse control all-in-one machine (25);
the solar photovoltaic thermal module (1) is used for absorbing and converting solar energy and providing electric energy and heat energy for a system, the solar photovoltaic thermal module (1) comprises a glass plate (2) close to an illumination side, a heat absorption plate (5) close to a user side, and a heat insulation air layer (3) between the glass plate (2) and the heat absorption plate (5), a solar cell array (4) is fixed on a light absorption surface of the heat absorption plate (5), and a microchannel evaporator core (6) is fixed on a backlight surface of the heat absorption plate (5); the upper end of the micro-channel evaporator plate core (6) is communicated with the lower end of a refrigerant steam pipe (8), the upper end of the refrigerant steam pipe (8) is communicated with the inlet of a refrigerant heat exchange pipe (11), the outlet of the refrigerant heat exchange pipe (11) is communicated with a refrigerant liquid return pipe (9),
the double-cold condenser (10) is arranged above the solar photovoltaic photothermal module (1), a refrigerant heat exchange tube (11) and a water-cooling heat exchange tube (12) are arranged inside the double-cold condenser (10), the refrigerant heat exchange tube (11) and the water-cooling heat exchange tube (12) are arranged adjacently, an air cooling channel (13) is formed at the interval between the adjacent microchannel refrigerant heat exchange tubes (11), the double-cold condenser (10) is positioned at an air outlet (18) on a super-lambert wall, and the water-cooling heat exchange tube (12) is connected with a heat storage water tank (15) through a water pump (14) to form a cooling water channel; the special Lambert wall (23) is respectively provided with a special Lambert wall wind outlet (18), a special Lambert wall wind inlet (17) and a special Lambert wall wind outlet (19) from top to bottom, the special Lambert wall wind outlet (18), the special Lambert wall wind inlet (17) and the special Lambert wall wind outlet (19) are positioned indoors, a fan (16) is arranged at the special Lambert wall wind inlet (17),
the solar storage battery (24) is connected with the solar photovoltaic and photothermal module (1) through an electric wire and used for storing electric energy, and the solar inversion control integrated machine (25) is connected with the solar storage battery (24) and converts direct current in the solar storage battery into alternating current to be supplied to a user end (26).
2. The dual cold condenser heat pipe photovoltaic thermal module-talbot wall system of claim 1, wherein: the specially-lambertian wall upper wind outlet (18) is provided with a specially-lambertian wall upper wind outlet baffle (21), the specially-lambertian wall middle wind inlet (17) is provided with a specially-lambertian wall middle wind inlet baffle (20), and the specially-lambertian wall lower wind outlet (19) is provided with a specially-lambertian wall lower wind outlet baffle (22).
3. The dual cold condenser heat pipe photovoltaic thermal module-talbot wall system of claim 1, wherein: the center of the air inlet (17) in the specially-lambert wall and the position of the air outlet (18) on the specially-lambert wall are both higher than the solar photovoltaic thermal module (1).
4. The dual cold condenser heat pipe photovoltaic thermal module-talbot wall system of claim 1, wherein: the solar cell array (4) and the micro-channel evaporator plate core (6) are respectively fixed on the light absorption surface and the backlight surface of the heat absorption plate (5) in a hot melt adhesive laminating mode.
5. The dual cold condenser heat pipe photovoltaic thermal module-talbot wall system of claim 1, wherein: the heat storage water tank (15) is provided with a water outlet connected to the user end (26).
6. The method of using a dual cold condenser heat pipe photovoltaic thermal module-talbot wall system as claimed in any one of claims 1 to 5, wherein:
in non-heating seasons, the solar photovoltaic thermal module (1), the microchannel refrigerant heat exchange tube (11), the water-cooling heat exchange tube (12), the heat storage water tank (15) and the water pump (14) run in a combined mode, liquid refrigerants in the microchannel evaporator plate core (6) absorb solar heat and then are changed into gaseous steam, the gaseous steam enters the microchannel refrigerant heat exchange tube (11) in the double-cold condenser (10) through the refrigerant steam tube (8), at the moment, the water pump (14) is started, water in the heat storage water tank (15) enters the water-cooling heat exchange tube (12) in the double-cold condenser (10) under the driving of the water pump (14), the gaseous refrigerants and cooling water exchange heat on the inner wall of the microchannel refrigerant heat exchange tube (11) in a refrigerant two-phase flow-water forced convection heat exchange mode, the cooled gaseous refrigerants are changed into liquid, and flow into the microchannel evaporator plate core (6) through the refrigerant liquid return tube (9, finishing a heat transfer circulation process of the heat pipe, enabling the heated cooling water to flow into the heat storage water tank (15), finishing a heat absorption process, and after the water reaches the temperature required by use, providing hot water by the heat storage water tank (15) through the client (26);
in the heating season, the solar photovoltaic thermal module (1), the microchannel refrigerant heat exchange tube (11), the fan (16) and the special Lambert wall (23) are operated in a combined mode; liquid refrigerant in the micro-channel evaporator plate core (6) absorbs solar heat and then is changed into gaseous steam, and the gaseous steam enters a micro-channel refrigerant heat exchange tube (11) in the double-cold condenser (10) through a refrigerant steam tube (8); at the moment, a fan (16) is started, indoor cold air enters a wall body from an air inlet (17) in a special lambert wall under the drive of the fan (16) and then flows upwards and downwards respectively, the air flowing upwards enters an air cooling channel (13) in a double-cold condenser (10), gaseous refrigerant and cold air exchange heat on the outer wall of a micro-channel refrigerant heat exchange tube (11) in a refrigerant two-phase flow-air forced convection heat exchange mode, the cooled gaseous refrigerant is changed into liquid, the gaseous refrigerant flows into a micro-channel plate core (6) through a refrigerant liquid return tube (9) under the action of gravity of an evaporator to finish a heat pipe heat transfer circulation process, and the heated air enters the room through an air outlet (18) in the special lambert wall; the air flowing downwards and the heat absorption plate (5) perform forced convection heat exchange, and the heated air enters the room from a lower wind outlet (19) of the Lambert wall;
the solar storage battery (24) is connected with the solar photovoltaic and photothermal module (1) through an electric wire and used for storing electric energy, and the solar inversion control integrated machine (25) is connected with the solar storage battery (24) and converts direct current in the solar storage battery into alternating current to be supplied to a user end (26).
7. The method of using a dual cold condenser heat pipe photovoltaic thermal module-talbot wall system of claim 6, wherein:
in non-heating seasons, the air inlet baffle (20) in the specially-lambert wall, the air outlet baffle (21) in the specially-lambert wall and the air outlet baffle (22) in the specially-lambert wall are closed, a closed space is formed in the wall body and serves as a heat insulation layer of the double-cold condenser (10), and heat loss in the working period of the double-cold condenser is reduced.
CN202010243091.7A 2020-03-31 2020-03-31 Double-cold-condenser heat pipe type photovoltaic photo-thermal module-super-Lambert wall system and method Pending CN111327270A (en)

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