CN201892330U - Heat pipe type solar photoelectric and photo-thermal comprehensive utilization system - Google Patents

Heat pipe type solar photoelectric and photo-thermal comprehensive utilization system Download PDF

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Publication number
CN201892330U
CN201892330U CN2010205720241U CN201020572024U CN201892330U CN 201892330 U CN201892330 U CN 201892330U CN 2010205720241 U CN2010205720241 U CN 2010205720241U CN 201020572024 U CN201020572024 U CN 201020572024U CN 201892330 U CN201892330 U CN 201892330U
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China
Prior art keywords
heat pipe
thermal
photovoltaic
heat
utilization system
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Expired - Fee Related
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CN2010205720241U
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Chinese (zh)
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季杰
符慧德
张涛
裴刚
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University of Science and Technology of China USTC
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University of Science and Technology of China USTC
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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 relates to a heat pipe type solar photoelectric and photo-thermal comprehensive utilization system, which comprises a water storage tank and a photovoltaic/water heating plate. The water storage tank is communicated with the photovoltaic/water heating plate via a water channel pipeline, the photovoltaic/water heating plate comprises heat pipes, photovoltaic batteries and a heat conduction metal plate, the photovoltaic batteries are serially connected with each other to form a strip shape and are uniformly distributed on the upper surface of the heat conduction metal plate, a gap is formed between each two adjacent rows of photovoltaic batteries, evaporation sections of the heat pipes are uniformly distributed on the back surface of the heat conduction metal plate, the evaporation section of each heat pipe is located at the gap between each two adjacent rows of photovoltaic batteries, a thermal-protective coating is further arranged on the back surface of the heat conduction metal plate and wraps the heat pipes, copper sleeves are uniformly distributed on a heat collecting flow channel pipe and are perpendicular to the heat collecting flow channel pipe, and a condensing section of each heat pipe is inserted in each copper sleeve. The heat pipe solar photoelectric and photo-thermal comprehensive utilization system greatly increases solar comprehensive utilization efficiency, can be used in circumpolar latitude cold regions, expands service territorial scope, reduces corrosion to battery plate cores due to running water, and prolongs service life.

Description

A kind of heat pipe type solar photovoltaic/thermal utilization system
Technical field
The utility model belongs to application of solar, is specifically related to a kind of heat pipe type solar photovoltaic/thermal utilization system.
Background technology
At present, China releases low-carbon economy strategy economic policy, and the fossil energies such as low and coal that change China's efficiency of energy utilization are used the excessive China energy problem situation that is on the rise of sternness and environmental disruption more that caused of proportion.Solar energy is because its renewable and environment amenable advantage is important traditional energy substitute.The mode of utilizing of solar energy mainly comprises photo-thermal conversion using and opto-electronic conversion utilization at present.
Independent photoelectricity or photo-thermal system can only obtain a kind of income.And photovoltaic/hot water (PV/T) system belongs to a kind of solar photoelectric/photothermal utilization system, both can be high-grade electric energy output with conversion of solar energy, also residue solar energy can be converted to heat energy and be collected utilization, in addition, heat-carrying agent in the system also can cool off photovoltaic cell effectively, improve the performance of its photoelectricity, therefore, the efficient that the solar energy composite of this system utilizes is far above independent photoelectricity or photo-thermal system.But common PV/T heat collector mostly directly with water as heat-carrying agent, the phenomenon of freezing takes place easily at the high latitude cold district, use thereby influence is normal; Because water directly feeds the thermal-arrest intralamellar part, cause the thermal-arrest plate to be corroded easily in addition, reduce its service life.Heat pipe is a kind of heat-conductive assembly efficiently, its capacity of heat transmission even greater than most of metals, and use in the heat pipe lowly solidify, the working medium of low boiling and low-corrosiveness, under cold conditions, be difficult for taking place the phenomenon of freezing, therefore heat pipe is applied in photovoltaic/hot-water heat collector, both can solve the ice formation issues of using at the high latitude cold district, also can be promptly the heat at photovoltaic battery panel place be passed away, reduce its temperature, thereby improve its efficient, also can alleviate the corrosion of outer bound pair thermal-arrest plate in addition, prolong its service life.
In existing relevant patent, as plate solar water heater 01257502.X, though it has also adopted heat pipe to carry out heat conduction, it only is a solar energy heat utilization structure, and its plate core is the version of heat pipe with fin, is unfavorable for the lamination photovoltaic cell; In addition, as photovoltaic and photothermal heat collector CN101106167A, a kind of solar generator use device 02216271.2 etc., they all adopt the mode of directly leaking water as collecting heat in the thermal-arrest plate, belong to common PV/T heat collector, do not have freeze proof function, can not use at cold district, corroded easily, and the heat transfer between water and thermal-arrest plate belongs to single-phase heat exchange in this mode, heat transfer potential is not strong.
The utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model proposes a kind of heat pipe type solar photovoltaic/thermal utilization system, this system is on the basis of regular solar photovoltaic/thermal comprehensive utilization structure, added the heat pipe for thermal conductivity technology, hot pipe technique and solar energy optical-thermal, solar photovoltaic utilization are combined, both improve the comprehensive utilization ratio of solar energy, also solved the use problem under different regional conditions simultaneously.
Concrete technical solution is as follows:
A kind of heat pipe type solar photovoltaic/thermal utilization system comprises storage tank and photovoltaic/hot water plate, described storage tank is provided with water inlet and delivery port, and delivery port is provided with water pump, the delivery port of water pump is communicated with the thermal-arrest flow-path tube by waterway pipe, and the other end of thermal-arrest flow-path tube is being communicated with the water inlet of storage tank again by waterway pipe; Described photo voltaic hot water plate comprises heat pipe, photovoltaic cell and thermal conductive metal plate, and described photovoltaic cell is connected into strip, and all is laid in the upper surface of thermal conductive metal plate, is provided with the gap between the adjacent two row photovoltaic cells, and the top of photovoltaic cell is provided with glass cover-plate; The evaporator section of heat pipe all is laid in the back side of thermal conductive metal plate, the gap location of the evaporator section of every heat pipe between adjacent two row photovoltaic cells; The back side of thermal conductive metal plate also is provided with thermal insulation layer, and thermal insulation layer is wrapped in heat pipe;
Be laid with copper sleeve on the described thermal-arrest flow-path tube, copper sleeve is perpendicular to the thermal-arrest flow-path tube, and the condensation segment of every heat pipe is plugged in the copper sleeve.
The upper surface of described thermal conductive metal plate is laid with the above photovoltaic cell of six row, and the back side is provided with the heat pipe more than five; Be laid with the copper sleeve more than five on the corresponding described thermal-arrest flow-path tube.
The back side of described photovoltaic cell is provided with the polyvinyl fluoride composite membrane of the black of high solar absorptivity, and upper surface is provided with transparent polyvinyl fluoride composite membrane.
Gap between the described adjacent photovoltaic cell is 12-20mm.
Spacing between described glass cover-plate and the photovoltaic cell upper surface is 30～40mm.
Described heat pipe is gravity assisted heat pipe or capillary heat pipe; When being gravity assisted heat pipe, the condensation segment position of heat pipe must be higher than the evaporator section position of heat pipe.
Described insulating layer material is a polystyrene foamed material, and thickness is 40～50mm.
The utility model advantage compared with prior art is: this system can be used to solar energy from photo-thermal, photoelectricity two aspects, has improved the comprehensive utilization ratio to solar energy greatly; Solved simultaneously regular solar photovoltaic/thermal utilization system again and can not enlarge its region scope of application in the problem of high latitude cold district use; In addition, carry out the heat transmission indirectly, avoided and in the PV/T plate, direct water flowing to have carried out the heat transmission manner, thereby greatly reduced the corrosion of water, improved its service life PV/T plate core by heat pipe.
Description of drawings
Fig. 1 is a heat pipe type solar photovoltaic/thermal utilization system structural representation,
Fig. 2 is the cross-sectional figure of photo voltaic hot water plate,
Fig. 3 is the cross-sectional figure of photovoltaic battery panel core,
Fig. 4 is a thermal-arrest flow-path tube structural representation,
Fig. 5 is the vertical view of Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
Embodiment:
Referring to Fig. 1, a kind of heat pipe type solar photovoltaic/thermal utilization system comprises storage tank 3 and photovoltaic/hot water plate 1.Storage tank is provided with water inlet and delivery port, and water pump 4 is installed on the delivery port, and the delivery port of water pump 4 is connected with thermal-arrest flow-path tube 151 by waterway pipe, and the other end of thermal-arrest flow-path tube 151 is connected by the water inlet of waterway pipe with storage tank 3 again.Photovoltaic/hot water plate 1 comprises heat pipe 116, photovoltaic cell 113, thermal conductive metal plate 115 and framework 16.Photovoltaic cell 113 is connected into strip, and eight row photovoltaic cells 113 all are laid in the upper surface of thermal conductive metal plate 115, see Fig. 2; The back side of photovoltaic cell is provided with the polyvinyl fluoride composite membrane (TPT) 114 that one deck has the black of high-absorbility, can strengthen the absorption of solar energy and makes photovoltaic cell 113 and 115 effects that better electric insulation is arranged of thermal conductive metal plate; Its upper surface is provided with transparent polyvinyl fluoride composite membrane 111.The top of photovoltaic cell 113 is equipped with glass cover-plate 13, and the spacing between the two is 35mm; Gap between the adjacent two row photovoltaic cells is 15mm.The back side of thermal conductive metal plate 115 is uniform to be equipped with nine heat pipes 12, is used to take away the heat of thermal conductive metal plate 115.The gap location of the evaporator section of every heat pipe between adjacent two row photovoltaic cells 113; The back side of thermal conductive metal plate 115 is provided with thermal insulation layer 14, and thermal insulation layer 14 is wrapped in heat pipe, and insulating layer material is a polystyrene foamed material.
Referring to Fig. 4 and Fig. 5, be laid with nine copper sleeves 152 on the thermal-arrest flow-path tube 151, copper sleeve 152 is perpendicular to thermal-arrest flow-path tube 151, and the condensation segment 122 of every heat pipe is inserted in the copper sleeve 152.
Wherein, if the heat pipe gravity assisted heat pipe in photovoltaic/hot water plate 1, when then installing, the position of the condensation segment 122 of heat pipe must be higher than the position of the evaporator section 121 of heat pipe, to guarantee the normal operation of gravity assisted heat pipe; If capillary heat pipe, then heat pipe evaporator section 121 does not have specific (special) requirements with the relative position of condensation segment 122, need only be in heat pipe gets final product in the effective range of capillary force.
Concrete operation logic of the present utility model is: when solar irradiation is mapped on photovoltaic/hot water plate 1, part sunshine will be absorbed and be converted into electric energy by photovoltaic cell 113, output utilizes to the outside after photovoltaic control system 2 inversions are converted to alternating current commonly used again, all the other major parts then are converted into heat energy and pass to the evaporator section 121 of heat pipe through thermal conductive metal plate 115, pass to water in the thermal-arrest flow-path tube 151 by the condensation segment 122 of heat pipe again, heated water drives the water of getting back to storage tank 3 and the inside through water pump 4 and carries out heat exchange, and the cold water in the storage tank 3 absorbs heat through the thermal-arrest flow-path tube 151 that water pump 4 enters photovoltaic/hot water plate 1 top again simultaneously.The water that water pump 4 is used to drive in the whole loop constantly circulates.When cooling water flow through thermal-arrest flow-path tube 151, the condensation segment of heat pipe 122 was passed to copper sleeve 152 with heat earlier, and then passed to water in the thermal-arrest flow-path tube 151 by copper sleeve 152.

Claims (7)

1. heat pipe type solar photovoltaic/thermal utilization system, comprise storage tank and photovoltaic/hot water plate, described storage tank is provided with water inlet and delivery port, and delivery port is provided with water pump, the delivery port of water pump is communicated with the thermal-arrest flow-path tube by waterway pipe, and the other end of thermal-arrest flow-path tube is being communicated with the water inlet of storage tank again by waterway pipe; Described photovoltaic/hot water plate comprises heat pipe, photovoltaic cell and thermal conductive metal plate, it is characterized in that: described photovoltaic cell is connected into strip, and all be laid in the upper surface of thermal conductive metal plate, be provided with the gap between the adjacent two row photovoltaic cells, the top of photovoltaic cell is provided with glass cover-plate; The evaporator section of heat pipe all is laid in the back side of thermal conductive metal plate, the gap location of the evaporator section of every heat pipe between adjacent two row photovoltaic cells; The back side of thermal conductive metal plate also is provided with thermal insulation layer, and thermal insulation layer is wrapped in heat pipe;
Be laid with copper sleeve on the described thermal-arrest flow-path tube, copper sleeve is perpendicular to the thermal-arrest flow-path tube, and the condensation segment of every heat pipe is plugged in the copper sleeve.
2. a kind of heat pipe type solar photovoltaic/thermal utilization system according to claim 1 is characterized in that: the upper surface of described thermal conductive metal plate is laid with the above photovoltaic cell of six row, and the back side is provided with the heat pipe more than five; Be laid with the copper sleeve more than five on the corresponding described thermal-arrest flow-path tube.
3. a kind of heat pipe type solar photovoltaic/thermal utilization system according to claim 1 and 2, it is characterized in that: the back side of described photovoltaic cell is provided with the polyvinyl fluoride composite membrane of the black of high solar absorptivity, and upper surface is provided with transparent polyvinyl fluoride composite membrane.
4. a kind of heat pipe type solar photovoltaic/thermal utilization system according to claim 1 and 2, it is characterized in that: the gap between the described adjacent photovoltaic cell is 12-20mm.
5. a kind of heat pipe type solar photovoltaic/thermal utilization system according to claim 1 and 2, it is characterized in that: the spacing between described glass cover-plate and the photovoltaic cell upper surface is 30～40mm.
6. a kind of heat pipe type solar photovoltaic/thermal utilization system according to claim 1 and 2, it is characterized in that: described heat pipe is gravity assisted heat pipe or capillary heat pipe; When being gravity assisted heat pipe, the condensation segment position of heat pipe must be higher than the evaporator section position of heat pipe.
7. a kind of heat pipe type solar photovoltaic/thermal utilization system according to claim 1 and 2, it is characterized in that: described insulating layer material is a polystyrene foamed material, thickness is 40～50mm.
CN2010205720241U 2010-10-21 2010-10-21 Heat pipe type solar photoelectric and photo-thermal comprehensive utilization system Expired - Fee Related CN201892330U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052782A (en) * 2010-10-21 2011-05-11 中国科学技术大学 Heat-pipe type solar energy photoelectric and optothermal comprehensive utilization system
CN107084540A (en) * 2017-05-10 2017-08-22 安徽建筑大学 Multi-functional hot pipe type solar heat collector
CN112161406A (en) * 2020-09-28 2021-01-01 万江新能源集团有限公司 Combined solar photovoltaic photo-thermal cascade utilization device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052782A (en) * 2010-10-21 2011-05-11 中国科学技术大学 Heat-pipe type solar energy photoelectric and optothermal comprehensive utilization system
CN107084540A (en) * 2017-05-10 2017-08-22 安徽建筑大学 Multi-functional hot pipe type solar heat collector
CN112161406A (en) * 2020-09-28 2021-01-01 万江新能源集团有限公司 Combined solar photovoltaic photo-thermal cascade utilization device

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C17 Cessation of patent right
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Granted publication date: 20110706

Termination date: 20131021