CN112350646A - Solar energy conversion system integrating photoelectric conversion and photothermal conversion - Google Patents
Solar energy conversion system integrating photoelectric conversion and photothermal conversion Download PDFInfo
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- CN112350646A CN112350646A CN202011186543.9A CN202011186543A CN112350646A CN 112350646 A CN112350646 A CN 112350646A CN 202011186543 A CN202011186543 A CN 202011186543A CN 112350646 A CN112350646 A CN 112350646A
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- 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
- H02S10/30—Thermophotovoltaic systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/20—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- 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
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- 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
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
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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
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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
- Y02E10/50—Photovoltaic [PV] energy
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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
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- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention provides a solar energy conversion system integrating photoelectric conversion and photothermal conversion, and aims to solve the problems that in the prior art, a solar cell panel and a water circulation system are integrated on one panel, the structure is complex and the maintenance is difficult. The solar energy conversion system integrating light collection and photo-thermal conversion comprises a plurality of solar energy absorption plates, wherein each solar energy absorption plate comprises a surface transparent interlayer, a solar power generation layer, an insulating heat conduction layer and a heat conduction sheet; the heat conducting fin is provided with a heat energy output part; the heat collecting block is connected with a heat energy output part on the heat conducting sheet, and the heat conducting sheet transmits heat energy to the heat collecting block through the heat energy output part; the heat collecting block is provided with a heat transfer channel; the heat collecting block transfers heat energy to the hot water tank through the heat transfer channel; the storage battery is electrically connected with the solar power generation layer. The heat conducting fins are adopted to replace a water circulation system formed by S-shaped water pipes in the prior art, and the manufacturing and maintenance cost is reduced.
Description
Technical Field
The invention belongs to the technical field of solar power generation, and particularly relates to a solar energy conversion system integrating photoelectric conversion and photothermal conversion.
Background
Solar panels are devices that convert solar radiation energy directly or indirectly into electrical energy through the photoelectric or photochemical effect by absorbing sunlight.
The solar water heater is a heating device for converting solar energy into heat energy, and heats water from low temperature to high temperature so as to meet the requirement of hot water in life and production of people.
Because when solar cell panel changes light energy into electric energy, have a large amount of heat energy production simultaneously, solar cell panel can't change effective energy with heat energy conversion, often can waste. In order to solve the problem that solar panels cannot convert solar energy into heat energy which is an effective energy source, some solar panels are internally integrated with a water circulation system of a solar water heater at present, so that the heat energy on the solar panels is converted into the effective energy source. However, this technique has the following disadvantages: the internal integration water circulation system of the solar cell panel leads to the complex structure of the solar cell panel and higher production and maintenance cost.
Disclosure of Invention
The invention provides a solar energy conversion system integrating photoelectric conversion and photothermal conversion, and aims to solve the problems that in the prior art, a solar cell panel and a water circulation system are integrated on one panel, the structure is complex and the maintenance is difficult.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a solar energy conversion system integrating photoelectric conversion and photothermal conversion comprises a plurality of solar energy absorption plates, wherein each solar energy absorption plate comprises a surface transparent interlayer, a solar power generation layer, an insulating heat conduction layer and a heat conduction sheet which are sequentially arranged from one side to the other side; the heat conducting fin is provided with a heat energy output part; the heat collecting block is connected with a heat energy output part on the heat conducting sheet, and the heat conducting sheet transmits heat energy to the heat collecting block through the heat energy output part; the heat collecting block is provided with a heat transfer channel; the heat collecting block transfers heat energy to the hot water tank through the heat transfer channel; the storage battery is electrically connected with the solar power generation layer.
The further improved scheme is as follows: the hot water tank is provided with a cold water inlet and a cold water outlet; two ends of the heat transfer channel are connected with circulating pipes, and heat transfer fluid media are arranged in the circulating pipes; the circulating pipe is provided with a spiral part which is positioned in the hot water tank; the circulating pipe is provided with a gear pump, the gear pump is connected with a windmill, and the windmill provides power for the gear pump; and a valve is arranged on the circulating pipe.
In the scheme, the heat collecting block transmits heat into the hot water tank through the heat transmission channel and the circulating pipe; meanwhile, a windmill is adopted to replace a motor, and the windmill drives a gear pump to circulate water, so that energy is saved. The heat transfer fluid medium may be a fluid capable of heat transfer, such as water. The spiral part is arranged, so that heat energy can be more fully transferred.
The further improved scheme is as follows: the solar energy conversion system integrates photoelectric conversion and photothermal conversion, and also comprises a photovoltaic controller, an inverter, alternating current load equipment and direct current load equipment; one end of the photovoltaic controller is electrically connected with the solar power generation layer, and the other end of the photovoltaic controller is connected with the inverter, the storage battery and the direct-current load equipment; the alternating current load is connected with the inverter.
The further improved scheme is as follows: the solar energy conversion system integrating light collection and light-heat conversion also comprises a plurality of heat energy absorption plates arranged on the heat collection block.
In the scheme, the heat collecting block is provided with a solar energy absorbing plate which can absorb electric energy and heat energy simultaneously, and is also provided with an absorbing plate which only absorbs heat energy; the scheme is suitable for application environments with high heat energy requirements.
The further improved scheme is as follows: the heat energy absorbing plate is composed of a heat conducting sheet and a heat collecting coating coated on the heat conducting sheet, and is connected with the heat collecting block through a heat energy output part on the heat conducting sheet and transmits heat energy to the heat collecting block through the heat energy output part.
In this scheme, the conducting strip of heat energy absorption board and the conducting strip of solar energy absorption board all are equipped with heat energy output portion.
The further improved scheme is as follows: the heat-conducting fin is rectangular, the heat energy output part of the heat-conducting fin is an inserting plate extending out of one end of the heat-conducting fin, and a slot matched with the heat energy output part is formed in the heat collection block.
In the scheme, the heat energy output part adopts the plugboard and has the functions of heat energy output and connection with the heat energy receiving part; the insertion plate and the slot are matched for use, so that the heat collection block and the solar absorption plate can be conveniently disassembled and assembled. The heat conducting fins are arranged into a rectangle, so that the arrangement space can be saved when the photoelectric and photo-thermal solar panel is used in a combined manner; the rectangular heat conducting fin has the advantages that one end of the heat conducting fin can be directly arranged to be the heat energy output part, the structure is simple, and the manufacturing is convenient.
The further improved scheme is as follows: the solar power generation layer is a solar panel; the heat conducting fin is made of super heat conducting materials.
The further improved scheme is as follows: the solar energy conversion system integrating photoelectric conversion and photothermal conversion also comprises a shell provided with a heat insulation layer. The heat preservation layer is arranged, so that the loss of heat energy can be reduced.
The further improved scheme is as follows: the solar energy conversion system integrates photoelectric conversion and photothermal conversion and also comprises a heat conducting plate; the upper half part of one side of the heat conducting plate is coated with a heat collecting coating, and the upper half part of the other side of the heat conducting plate is provided with a heat insulation plate made of a heat insulation material; be equipped with between heat preservation and the conducting strip with heat-conducting plate lower half assorted jack, the jack opening is upwards, and the heat-conducting plate sets up in the jack through the mode of pluggable.
In this scheme, add the detachable heat-conducting plate, because relations such as environment and geographical position, the heat energy that photoelectric and light-heat conversion produced in solar energy conversion system of an organic whole is less, is not enough to reach the condition of using, absorbs more heat energy through the heat-conducting plate of addding to supply normal use, can assemble as required.
The further improved scheme is as follows: the solar energy conversion system integrates photoelectric conversion and photothermal conversion and also comprises a heat conducting plate; the upper half part of one side of the heat conducting plate is coated with a heat collecting coating; the upper half part of the other side of the heat conducting plate is provided with a heat insulation plate made of heat insulation materials; a jack matched with the heat-conducting plate is arranged between the heat-insulating layer and the heat-conducting fin, the jack is opened upwards, and the top of the jack is hinged with a baffle; the heat conducting plate comprises a contraction state and an extension state; when the heat conducting plate is in a shrinkage state, the heat conducting plate is inserted into the jack, one side of the heat conducting plate, which is provided with the heat gathering coating, is attached to the heat conducting fins, and the heat insulation plate is attached to the heat insulation layer; when the heat-conducting plate is in the state of stretching out, gather hot coating and the heated board on the heat-conducting plate and be located the outside of jack, the baffle rotates to the lower extreme of heated board and supports the heated board, and under the extrusion of baffle, the heat-conducting plate is in the same place with the conducting strip laminating.
In the scheme, the detachable heat conducting plate is additionally arranged, because of the relationship of environment, geographical position and the like, the solar energy conversion system integrating photoelectric conversion and photothermal conversion generates less heat energy which is not enough to reach the application condition, and the additionally arranged heat conducting plate absorbs more heat energy for normal use; and because the heat-conducting plate is lighter and thinner, easy to damage during transportation or storage, the heat-conducting plate adopts hidden, difficult emergence damage and occupation space are less when transporting and storing, and customer can assemble as required.
The invention has the beneficial effects that:
in the invention, the heat-conducting fins are adopted to replace a water circulation system formed by S-shaped water pipes in the prior art, so that on one hand, the structure of the solar panel is simplified and is lighter and thinner, and the manufacturing and maintenance cost is reduced; on the other hand, the surface contact is adopted during heat receiving of the heat conducting fins, the linear contact is adopted during energy receiving of the S-shaped water pipes, a large blank area exists in the S-shaped water pipes, the heating area of the heat conducting fins is larger than that of the S-shaped water pipes, and the heat transfer efficiency is higher.
In addition, the invention is provided with a heat collecting block, a heat transfer channel is arranged on the heat collecting block, and the heat collecting block transfers heat to the hot water tank through the heat transfer channel; the solar absorption plates are connected with the heat collection blocks, heat energy absorbed by the solar absorption plates is uniformly absorbed and converted by the heat collection blocks, the conversion efficiency is high, and the heat collection blocks are independent of the structure of the solar absorption plates, so that the problem that the solar absorption plates are too complex and the maintenance is inconvenient is avoided. In addition, the number of the solar absorption plates can be adjusted according to actual requirements so as to meet the actual requirements.
The absorbed heat energy is transferred to the hot water tank, and the electric energy after washing can be stored in the storage battery.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other relevant drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic diagram of a solar energy conversion system incorporating both photoelectric and photothermal conversion in accordance with the present invention; the battery part is not shown in the figure;
FIG. 2 is a logic diagram of a power supply line to which a solar power generation layer is connected in the present invention;
FIG. 3 is a schematic view showing the internal structure of a gear pump according to the present invention;
FIG. 4 is a schematic exploded view of an assembly of a solar absorber panel and a collector block according to one embodiment;
FIG. 5 is a schematic perspective view of a solar absorber plate and a collector block assembled together according to one embodiment;
FIG. 6 is a schematic view of the back side of the solar absorber plate and collector block assembly of the first embodiment;
FIG. 7 is a schematic structural view in cross section of a solar absorber panel;
FIG. 8 is a schematic side view of the solar absorber plate and collector block assembled together according to one embodiment;
FIG. 9 is a schematic view showing a rear surface structure of a second embodiment in which a solar energy absorbing panel and a thermal energy absorbing panel are mounted on a heat collecting block;
FIG. 10 is a side view of the heat energy absorbing plate mounted on the heat collecting block;
FIG. 11 is a schematic view of an exploded structure of a thermal energy absorbing panel;
FIG. 12 is a perspective view of a thermal energy absorbing panel;
FIG. 13 is a schematic side view of a solar absorber plate and a collector block of a third embodiment when assembled together;
FIG. 14 is a perspective view of the heat-conducting plate according to the third embodiment;
FIG. 15 is a schematic view of the back side structure of the third embodiment when the solar absorber plate and the collector block are assembled together;
FIG. 16 is a schematic side view of the solar absorber plate and collector block of the fourth embodiment when assembled together;
fig. 17 is a partial enlarged view at a in fig. 16.
The reference numbers in the figures illustrate: 01-solar energy absorbing panel; 02-heat energy absorbing plate; 1-surface transparent interlayer; 2-a solar power generation layer; 3-insulating heat-conducting layer; 4-heat conducting fin, 41-heat energy output part; 5-heat collecting block; 51-a heat transfer channel; 52-slot; 53-elastic splint; 6-heat conducting plate; 7-insulating layer, 71-jack; 8-a baffle plate; 9-heat accumulating coating; 10-a heat-insulating plate; 11-gear pump; 12-a windmill; 13-a circulation pipe; 131-a helical portion; 14-a valve; 15-hot water tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 17 in the embodiments of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the invention without inventive step, are within the scope of the invention.
The first embodiment is as follows:
referring to fig. 1 to 8, in the solar energy conversion system integrating photoelectric conversion and photothermal conversion in the present embodiment, a plurality of solar energy absorption plates 01 are provided, and each solar energy absorption plate 01 includes a surface transparent interlayer 1, a solar power generation layer 2, an insulating heat conduction layer 3 and a heat conduction sheet 4, which are sequentially arranged from one side to the other side; the heat conducting fin 4 is provided with a heat energy output part; the heat collecting block 5 is connected with the heat energy output part on the heat conducting sheet 4, and the heat conducting sheet 4 transmits heat energy to the heat collecting block 5 through the heat energy output part; the heat collecting block 5 is provided with a heat transfer passage 51; a hot water tank 15 to which the heat collecting block 5 transfers heat through the heat transfer passage 51 to the hot water tank 15, the hot water tank 15 being available as an existing heat-insulating water tank; the storage battery is electrically connected to the solar power generation layer 2.
Wherein, said heat collecting block 5 absorbs the heat energy from the heat conducting fin 4, the structure of the heat collecting block 5 is various, for example, the heat collecting block 5 is a strip shape, and the heat collecting block 5 can be configured with corresponding shape and structure according to the specific application.
On the basis of the embodiment, the scheme is further improved: the hot water tank 15 is provided with a cold water inlet and a cold water outlet, not shown in the figure. Referring to fig. 1 and 3, the two ends of the heat transfer channel 51 are connected with circulation pipes 13, and a heat transfer fluid medium is disposed in the circulation pipes 13; the circulation pipe 13 is provided with a spiral part 131, and the spiral part 131 is positioned in the hot water tank 15; the circulating pipe 13 is provided with a gear pump 11, the gear pump 11 is connected with a windmill 12, and particularly, as a feasible mode, the rotating shaft of the windmill 12 is connected with the rotating shaft of one gear in the gear pump 11 through a coupler; the gear pump 11 is powered by a windmill 12; the circulating pipe 13 is provided with a valve 14.
On the basis of any one of the above embodiments, the scheme is further improved: referring to fig. 2, the solar energy conversion system integrating light collection and light-heat conversion further includes a photovoltaic controller, an inverter, an ac load device, and a dc load device; one end of the photovoltaic controller is electrically connected with the solar power generation layer, and the other end of the photovoltaic controller is connected with the inverter, the storage battery and the direct-current load equipment; the alternating current load is connected with the inverter.
Referring to fig. 4 and 5, the shape of the heat conducting sheet 4 may be square, circular, etc., and the heat energy output 41 of the heat conducting sheet 4 may be shaped according to the connection relationship with the heat collecting block 5, so long as the heat energy output can be realized smoothly; wherein, as one of the improved scheme specifically: the heat conducting sheet 4 is rectangular, the heat energy output portion 41 of the heat conducting sheet 4 is an insert plate extending from one end of the heat conducting sheet 4, and the heat collecting block 5 is provided with a slot 52 matched with the heat energy output portion 41. With the insert plate, the heat energy output part 41 has the functions of heat energy output and connection with the heat collecting block 5 at the same time.
On the basis of the above scheme, as a further preferable improved scheme: referring to fig. 4 and 5, the slot 52 is a U-shaped elastic slot, and the slot 52 is an elastic slot by changing one side of the slot 52 into an elastic clamping plate 53.
Each layer of the solar energy absorbing panel 01 is further described below:
the surface transparent interlayer 1 can be made of transparent glass and other materials with good transparency, the specific materials belong to the prior art, and the technical personnel in the field can select the materials reasonably according to actual conditions.
Wherein, the solar power generation layer 2 is a solar panel. The specific materials and structures thereof, and the specific materials thereof belong to the prior art, and can be reasonably selected by the person skilled in the art according to the actual conditions.
The insulating heat conduction layer 3 is made of non-conducting and heat conducting materials, so that electric energy loss can be prevented on one side, and heat can be transmitted on the other side.
The heat conducting fin 4 may be made of a metal material with a high heat conducting speed, or may be made of a super heat conducting material, which are all within the protection scope of the present invention.
The present embodiment is further described below with reference to the working principle:
sunlight passes through the transparent interlayer 1 on the surface and irradiates the solar power generation layer 2, solar energy generates electricity through the solar power generation layer on the one hand, and the power generation layer transfers heat to a storage battery through a photovoltaic controller, or transfers the heat to direct current load equipment, or transfers the heat to alternating current load equipment after passing through an inverter.
On the other hand, heat energy is generated, the heat energy is transmitted to the heat energy output part 41 through the insulating heat conduction layer and the heat conduction sheet 4 in sequence, the heat energy output part 41 transmits the heat energy to the heat collection block 5, then the heat collection block 5 transmits the heat energy to the hot water tank through the heat transmission channel and the circulation pipe, and the windmill drives the circulation of water in the circulation pipe through the gear pump.
Example two:
referring to fig. 9 to 12, in the first embodiment, the solar energy conversion system integrating the collection of light and heat, further includes a plurality of heat absorbing plates 02 disposed on the heat collecting block 5.
The heat energy absorbing plate 02 is composed of a heat conducting sheet 4 and a heat collecting coating 9 coated on the heat conducting sheet 4, a heat energy output part 41 is arranged on the heat conducting sheet 4, and the heat energy absorbing plate 02 is connected with the heat collecting block 5 through the heat energy output part 41 on the heat conducting sheet 9 and transmits heat energy to the heat collecting block 5 through the heat energy output part 41.
The embodiment is suitable for application scenes with high heat energy demand, and the solar energy absorption plate 01 and the heat energy absorption plate 02 are simultaneously installed on the heat collection block 5; the heat energy absorption plate 02 is only used for absorbing heat, so that the absorption capacity of heat energy is greatly improved; the proportion of the solar energy absorbing plate 01 and the thermal energy absorbing plate 02 can be configured according to actual requirements.
The solar energy absorbing plate 01 and the thermal energy absorbing plate 02 may be arranged at will, and as a preferable scheme, referring to fig. 9, the thermal energy absorbing plate 02 is arranged at the downstream of the water flow in a concentrated manner, and since the thermal energy generated by the solar energy absorbing plate 01 is less than the thermal energy generated by the thermal energy absorbing plate 02, the efficiency of the water absorbing the thermal energy is higher.
Example three:
referring to fig. 13 to 15, in this embodiment, on the basis of the first embodiment, in order to prevent the loss of heat energy, the solar energy conversion system integrating the photoelectric conversion and the photothermal conversion further includes a housing having an insulating layer 7.
As a further improved scheme: the solar energy conversion system integrates photoelectric conversion and photothermal conversion and also comprises a heat conducting plate 6; the upper half part of one side of the heat conducting plate 6 is coated with a heat collecting coating 9, and the upper half part of the other side of the heat conducting plate 6 is provided with a heat insulation plate 10 made of a heat insulation material; a jack 71 matched with the lower half part of the heat-conducting plate 6 is arranged between the heat-insulating layer 7 and the heat-conducting sheet 4, the jack 71 is opened upwards, and the heat-conducting plate 6 is arranged in the jack 71 in a pluggable mode.
In order to prevent the entry of dust when the heat conductive plate 6 is not used at ordinary times, a cover may be provided on the insertion hole 71.
The present embodiment is further described below with reference to the working principle:
when the solar energy conversion system integrating the photoelectric conversion and the photothermal conversion cannot meet the requirement of heat energy in the first embodiment, the heat conducting plate 6 is inserted into the insertion hole 71, the heat collecting coating 9 converts the solar energy into heat energy and transmits the heat energy to the heat conducting sheet 4 through the heat conducting plate 6, and the heat conducting sheet 4 absorbs the heat energy from the heat conducting plate 6 and the solar energy power generation layer 2 at the same time and transmits the heat energy to the heating block 5 for use in life; this embodiment greatly improves the efficiency of heat absorption.
Example four:
referring to fig. 16 and 17, the solar energy conversion system of the present embodiment integrates photoelectric conversion and photothermal conversion for preventing the loss of heat energy, and further includes a housing having a heat insulating layer 7.
As a further improved scheme: the solar energy conversion system integrates photoelectric conversion and photothermal conversion and also comprises a heat conducting plate 6; the upper half part of one side of the heat conducting plate 6 is coated with a heat collecting coating 9; the upper half part of the other side of the heat conducting plate 6 is provided with a heat insulation plate 10 made of heat insulation materials; a jack 71 matched with the heat-conducting plate 6 is arranged between the heat-insulating layer 7 and the heat-conducting fin 4, the jack 71 is opened upwards, and the top of the jack 71 is hinged with a baffle plate. The heat-conducting plate 6 comprises a contracted state and an extended state:
when the heat conducting plate 6 is in a contraction state, the heat conducting plate 6 is inserted in the insertion hole 71, one side of the heat conducting plate 6 provided with the heat gathering coating 9 is attached to the heat conducting sheet 4, and the heat insulation plate 10 is attached to the heat insulation layer 7.
When the heat conducting plate 6 is in the state of stretching out, the heat-collecting coating 9 and the heat-insulating plate 10 on the heat conducting plate 6 are located outside the jack 71, the baffle plate 8 rotates to the lower end of the heat-insulating plate 10 and supports the heat-insulating plate 10, and under the extrusion of the baffle plate, the heat conducting plate 6 is attached to the heat conducting sheet 4.
In order to prevent dust, a cover plate is arranged on the top of the heat conducting plate 6, and a handle is arranged on the cover plate, which is not shown in the figure.
The present embodiment is further described below with reference to the working principle:
when the heat conduction plate 6 is in an extending state, the heat-collecting coating 9 converts solar energy into heat energy, the heat energy is transmitted to the heat conduction sheet 4 through the heat conduction plate 6, and the heat conduction sheet 4 absorbs the heat energy from the heat conduction plate 6 and the solar power generation layer 2 at the same time and transmits the heat energy to the heating block 5 for use in life; this embodiment greatly improves the efficiency of heat absorption.
The present embodiment is different from the second embodiment in that: the heat-conducting plate in embodiment two is external when not in use; this embodiment is stored in the receptacle 71.
In the above four embodiments, the first embodiment mainly absorbs the electric energy; the second embodiment, the third embodiment and the fourth embodiment can improve the effect of absorbing heat energy, and corresponding selections are made according to different requirements of application environments; for the environment with high electric energy requirement, the scheme of the first embodiment is preferred, and the number of the solar absorption plates is selected according to the actual requirement. For the application scenario with high heat energy requirement, the schemes of the second embodiment, the third embodiment and the fourth embodiment are preferred.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (10)
1. A solar energy conversion system integrating photoelectric and photothermal conversion, comprising:
the solar absorption plates comprise a surface transparent interlayer, a solar power generation layer, an insulating heat conduction layer and a heat conduction sheet which are sequentially arranged from one side to the other side; the heat conducting fin is provided with a heat energy output part;
the heat collection block is connected with the heat energy output part on the heat conducting sheet, and the heat conducting sheet transmits heat energy to the heat collection block through the heat energy output part; the heat collecting block is provided with a heat transfer channel;
the heat collecting block transfers heat energy to the hot water tank through the heat transfer channel;
and the storage battery is electrically connected with the solar power generation layer.
2. The integrated photovoltaic and photothermal conversion solar energy conversion system according to claim 1, wherein: the hot water tank is provided with a cold water inlet and a cold water outlet;
two ends of the heat transfer channel are connected with circulating pipes, and heat transfer fluid media are arranged in the circulating pipes; the circulating pipe is provided with a spiral part which is positioned in the hot water tank;
the circulating pipe is provided with a gear pump, the gear pump is connected with a windmill, and the windmill provides power for the gear pump;
and a valve is arranged on the circulating pipe.
3. The integrated photovoltaic and photothermal conversion solar energy conversion system according to claim 1, wherein: the photovoltaic power generation system also comprises a photovoltaic controller, an inverter, alternating current load equipment and direct current load equipment;
one end of the photovoltaic controller is electrically connected with the solar power generation layer, and the other end of the photovoltaic controller is connected with the inverter, the storage battery and the direct-current load equipment; the alternating current load is connected with the inverter.
4. The integrated photovoltaic and photothermal conversion solar energy conversion system according to claim 1, wherein: the solar heat collector also comprises a plurality of heat energy absorbing plates arranged on the heat collecting block.
5. The integrated photovoltaic and photothermal conversion solar energy conversion system according to claim 4, wherein: the heat energy absorbing plate is composed of a heat conducting sheet and a heat collecting coating coated on the heat conducting sheet, and is connected with the heat collecting block through a heat energy output part on the heat conducting sheet and transmits heat energy to the heat collecting block through the heat energy output part.
6. The integrated photoelectric and photothermal conversion solar energy conversion system according to claim 1 or 5, wherein: the heat-conducting fin is rectangular, the heat energy output part of the heat-conducting fin is an inserting plate extending out of one end of the heat-conducting fin, and a slot matched with the heat energy output part is formed in the heat collection block.
7. The integrated photovoltaic and photothermal conversion solar energy conversion system according to claim 1, wherein: the solar power generation layer is a solar panel; the heat conducting fin is made of super heat conducting materials.
8. The integrated photovoltaic and photothermal conversion solar energy conversion system according to claim 1, wherein: also comprises a shell provided with a heat-insulating layer.
9. The integrated photovoltaic and photothermal conversion solar energy conversion system according to claim 8, wherein: the heat conducting plate is also included; the upper half part of one side of the heat conducting plate is coated with a heat collecting coating, and the upper half part of the other side of the heat conducting plate is provided with a heat insulation plate made of a heat insulation material; be equipped with between heat preservation and the conducting strip with heat-conducting plate lower half assorted jack, the jack opening is upwards, and the heat-conducting plate sets up in the jack through the mode of pluggable.
10. The integrated photovoltaic and photothermal conversion solar energy conversion system according to claim 8, wherein: the heat conducting plate is also included; the upper half part of one side of the heat conducting plate is coated with a heat collecting coating; the upper half part of the other side of the heat conducting plate is provided with a jack matched with the heat conducting plate between a heat insulating layer of a heat insulating plate made of a heat insulating material and the heat conducting fin, the jack is opened upwards, and the top of the jack is hinged with a baffle plate;
the heat conducting plate comprises a contraction state and an extension state;
when the heat conducting plate is in a shrinkage state, the heat conducting plate is inserted into the jack, one side of the heat conducting plate, which is provided with the heat gathering coating, is attached to the heat conducting fins, and the heat insulation plate is attached to the heat insulation layer;
when the heat-conducting plate is in the state of stretching out, gather hot coating and the heated board on the heat-conducting plate and be located the outside of jack, the baffle rotates to the lower extreme of heated board and supports the heated board, and under the extrusion of baffle, the heat-conducting plate is in the same place with the conducting strip laminating.
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| CN202011186543.9A CN112350646A (en) | 2020-10-30 | 2020-10-30 | Solar energy conversion system integrating photoelectric conversion and photothermal conversion |
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| CN202011186543.9A CN112350646A (en) | 2020-10-30 | 2020-10-30 | Solar energy conversion system integrating photoelectric conversion and photothermal conversion |
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| CN201804889U (en) * | 2010-09-09 | 2011-04-20 | 新奥科技发展有限公司 | Solar photoelectric and photothermal integrated conversion equipment |
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| CN204760398U (en) * | 2015-06-06 | 2015-11-11 | 合肥泊吾光能科技有限公司 | High -efficient photovoltaic light and heat solar module |
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| CN110224672A (en) * | 2019-07-05 | 2019-09-10 | 西安科技大学 | The ventilated heating system of photovoltaic and photothermal solar comprehensive utilization device and the device |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201804889U (en) * | 2010-09-09 | 2011-04-20 | 新奥科技发展有限公司 | Solar photoelectric and photothermal integrated conversion equipment |
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| CN204760398U (en) * | 2015-06-06 | 2015-11-11 | 合肥泊吾光能科技有限公司 | High -efficient photovoltaic light and heat solar module |
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Inventor after: Zhao Sihai Inventor before: Zhao Sihai Inventor before: Wu Weijun |
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Effective date of registration: 20210721 Address after: 735100 No.1, unit 1, building 7, Yingbin District 5, Tienan Street District, Qianjin Road, Jiayuguan City, Gansu Province Applicant after: Zhao Sihai Address before: 735100 No.1, unit 1, building 7, Yingbin District 5, Tienan Street District, Qianjin Road, Jiayuguan City, Gansu Province Applicant before: Zhao Sihai Applicant before: Wu Weijun |
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Application publication date: 20210209 |