CN116743071A - Energy-storage type refraction photovoltaic power generation plate - Google Patents
Energy-storage type refraction photovoltaic power generation plate Download PDFInfo
- Publication number
- CN116743071A CN116743071A CN202310943924.4A CN202310943924A CN116743071A CN 116743071 A CN116743071 A CN 116743071A CN 202310943924 A CN202310943924 A CN 202310943924A CN 116743071 A CN116743071 A CN 116743071A
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- Prior art keywords
- photovoltaic
- power generation
- units
- photovoltaic power
- light
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- 238000010248 power generation Methods 0.000 title claims abstract description 103
- 238000004146 energy storage Methods 0.000 title claims abstract description 65
- 238000000149 argon plasma sintering Methods 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 45
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- 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
-
- 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
- H02S10/20—Systems characterised by their energy storage means
-
- 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
- Y02E10/52—PV systems with concentrators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to the technical field of photoelectric conversion, in particular to an energy storage type refraction photovoltaic power generation plate. The invention sequentially comprises the following steps from top to bottom: a surface transparent shell; the distributed light-gathering layer comprises a plurality of light-gathering units, and the light-gathering units and the light-scattering units positioned below the light-gathering units form a refraction structure; the photovoltaic light scattering layer comprises photovoltaic units and light scattering units which are arranged at intervals, a saw-tooth structure is formed between every two adjacent photovoltaic units, and the light scattering units refract light transmitted by the light gathering units to the photovoltaic units on the two sides and the bottom layer; the photovoltaic power generation layer comprises a plurality of photovoltaic power generation sheets; the photovoltaic energy storage layer comprises a plurality of energy storage sheets, and the energy storage sheets are connected with the photovoltaic power generation sheets positioned on the photovoltaic energy storage layer. According to the invention, the refraction structure is increased by improving the photovoltaic power generation plate, so that the electric energy conversion efficiency in unit area is improved; by means of the mode of increasing the energy storage layer of the photovoltaic panel, stable delay of the power generation power peak of the photovoltaic power generation panel and the output power of the inverter is achieved, and the installed capacity of the whole photovoltaic power generation panel is not limited by the capacity of the transformer.
Description
Technical Field
The invention relates to the technical field of photoelectric conversion, in particular to an energy storage type refraction photovoltaic power generation plate.
Background
The photovoltaic power generation panel generally comprises a photovoltaic power generation sheet, a photovoltaic unit with a flat surface is arranged on the photovoltaic power generation sheet, and power generation is performed by using the photovoltaic unit. In order to improve the energy utilization efficiency of the photovoltaic power generation panel, it is generally conceivable to improve the photovoltaic material, for example, to employ a photovoltaic film, a photovoltaic polycrystalline structure, or the like, but relatively little improvement is made to the internal structure of the photovoltaic panel. In order to improve the electric energy conversion efficiency, those skilled in the art improve the internal structure, for example, a reflection grating and a lens photovoltaic power generation panel provided in chinese patent publication No. CN109347432a, which utilizes the reflection grating to improve the internal structure of the photovoltaic power generation panel. But singly connect energy storage piece and photovoltaic power generation piece, transformer, the capacity of transformer is unanimous with the capacity of energy storage piece, causes the unable effective utilization of photovoltaic power generation piece partial electric energy, causes the energy waste.
Disclosure of Invention
The invention aims to solve the technical problems that: the energy storage type refraction photovoltaic power generation plate overcomes the defects of the prior art, and the refraction structure is increased to improve the electric energy conversion efficiency under the unit area by improving the photovoltaic power generation plate; by means of the mode of increasing the energy storage layer of the photovoltaic panel, stable delay of the power generation power peak of the photovoltaic power generation panel and the output power of the inverter is achieved, and the installed capacity of the whole photovoltaic power generation panel is not limited by the capacity of the transformer.
The technical scheme of the invention is as follows:
an energy storage type refraction photovoltaic power generation panel, comprising from top to bottom in sequence:
the surface layer transparent shell is made of transparent high-temperature resistant materials;
the distributed light-gathering layer comprises a plurality of light-gathering units, and the light-gathering units and the light-scattering units positioned below the light-gathering units form a refraction structure;
the photovoltaic light scattering layer comprises photovoltaic units and light scattering units which are arranged at intervals, wherein a sawtooth structure is formed between every two adjacent photovoltaic units, and the light scattering units refract light transmitted by the light gathering units to the photovoltaic units on the two sides and the bottom layer;
the photovoltaic power generation layer comprises a plurality of photovoltaic power generation pieces, and each photovoltaic power generation piece is connected with a plurality of photovoltaic units positioned on the photovoltaic power generation piece;
the photovoltaic energy storage layer comprises a plurality of energy storage sheets, and the energy storage sheets are connected with photovoltaic power generation sheets positioned on the photovoltaic energy storage layer;
the bottom protective housing is the recess form for the protection is held and is located its structure.
Preferably, the light condensing unit adopts a convex lens, sunlight is condensed by the convex lens, and the focus of the convex lens is converged on the light diffusing unit.
Preferably, the light scattering units are in a vertically placed triangle structure, and sunlight is refracted to photovoltaic units on two sides and the bottom layer through the refraction effect of the light scattering units.
Preferably, the photovoltaic light scattering layer improves the electric energy conversion efficiency in unit area through a refraction structure, and the refraction structure is of a T-shaped structure as a whole.
Preferably, the photovoltaic power generation sheet and the photovoltaic units above the photovoltaic power generation sheet are made of crystalline silicon, and the photovoltaic power generation sheet and the photovoltaic units form a corrugated structure together.
Preferably, the energy storage sheet is made of a lead-acid storage battery, an alkaline storage battery, a lithium battery or a super capacitor.
Preferably, the photovoltaic power generation layer and/or the photovoltaic energy storage layer are/is connected to a transformer through a power supply line, and the transformer is connected to an electric load.
Preferably, when the photovoltaic power generation layer and the photovoltaic energy storage layer are simultaneously connected with the transformer, the peak-avoiding type connection structure of the power generation plate is formed.
Preferably, the photovoltaic power generation layer is connected to the photovoltaic energy storage layer, and only when the photovoltaic energy storage layer is connected with the transformer, the energy storage type connection structure of the power generation plate is formed.
Preferably, the power generation capacity of the photovoltaic power generation layer and the photovoltaic energy storage layer is not limited by the capacity of the transformer.
Compared with the prior art, the invention has the following beneficial effects:
the refraction structure is formed by the light condensing unit and the light scattering unit positioned below the light condensing unit, so that the electric energy conversion efficiency in unit area is improved by increasing the refraction structure, and the power generation efficiency is improved by about 10% -20% compared with the existing photovoltaic power generation plate;
by means of the mode of increasing the energy storage layer of the photovoltaic panel, stable delay of the power generation power peak of the photovoltaic power generation panel and the output power of the inverter is achieved, and the installed capacity of the whole photovoltaic power generation panel is not limited by the capacity of the transformer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a block diagram of the structure of the present invention.
Fig. 2 is a schematic structural view of the present invention.
Fig. 3 is a block diagram of the photovoltaic power generation sheet and the energy storage sheet.
Fig. 4 is a diagram showing a peak-avoiding connection structure according to the present invention.
Fig. 5 is a diagram of the energy storage type connection structure of the present invention.
In the figure: 1. a surface transparent shell; 2. a distributed condensing layer; 3. an astigmatism unit; 4. a photovoltaic unit; 5. a photovoltaic power generation sheet; 6. an energy storage sheet; 7. and a bottom protective shell.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Example 1
As shown in fig. 1 and 2, the present embodiment provides an energy storage type refractive photovoltaic power generation panel, which sequentially includes, from top to bottom:
the surface transparent shell 1 is made of transparent high-temperature resistant materials;
the distributed light-gathering layer 2 comprises a plurality of light-gathering units, and the light-gathering units and the light-scattering units 3 positioned below the light-gathering units form a refraction structure;
the photovoltaic light scattering layer comprises photovoltaic units 4 and light scattering units 3 which are arranged at intervals, wherein a saw-tooth structure is formed between every two adjacent photovoltaic units 4, and the light scattering units 3 refract light transmitted by the light condensing units to the photovoltaic units 4 on the two sides and the bottom layer;
the photovoltaic power generation layer comprises a plurality of photovoltaic power generation pieces 5, and each photovoltaic power generation piece 5 is connected with a plurality of photovoltaic units 4 positioned on the photovoltaic power generation piece;
the photovoltaic energy storage layer comprises a plurality of energy storage sheets 6, and the energy storage sheets 6 are connected with the photovoltaic power generation sheets 5 positioned on the photovoltaic energy storage layer, as shown in fig. 3;
the bottom protective shell 7 is in a groove shape and is used for protecting and containing the structure positioned on the bottom protective shell.
The photovoltaic light scattering layer improves the electric energy conversion efficiency in unit area through a refraction structure, and the whole refraction structure is of a T-shaped structure.
The invention improves the photovoltaic power generation plate, namely, the light condensing unit and the light diffusing unit 3 are added, the light condensing unit and the light diffusing unit 3 positioned below the light condensing unit form a refraction structure, and the refraction structure is added to improve the electric energy conversion efficiency under the unit area.
Working principle:
when the solar photovoltaic power generation device is used, sunlight enters a photovoltaic power generation plate through the surface transparent shell 1, the photovoltaic power generation plate refracts the sunlight through the distributed light-gathering layer 2, and the refracted sunlight is dispersed to surrounding photovoltaic units 4 through the light-scattering units 3, so that the electric energy conversion efficiency in unit area is increased; the photovoltaic unit 4 converts the refracted sunlight into electric energy through the photovoltaic power generation sheet 5; the electric energy is stored by the energy storage sheet 6.
For example, in plain areas, a peak avoidance type connection structure shown in fig. 4 can be selected, and when a photovoltaic power generation layer and a photovoltaic energy storage layer are simultaneously connected with a transformer, the output electric energy efficiency can be improved, and the power generation efficiency is improved by about 10% -20% compared with the existing photovoltaic power generation plate;
for example, in the area of insufficient power generation, an energy storage type connection structure as shown in fig. 5 may be selected, and only when the photovoltaic energy storage layer is connected to the transformer, the output power efficiency may be improved.
Example 2
On the basis of embodiment 1, the light condensing unit adopts a convex lens, sunlight is condensed by the convex lens, and the focus of the convex lens is converged on the light diffusing unit.
Preferably, the light scattering units are in a vertically placed triangle structure, and sunlight is refracted to photovoltaic units on two sides and the bottom layer through the refraction effect of the light scattering units.
Preferably, the photovoltaic light scattering layer improves the electric energy conversion efficiency in unit area through a refraction structure, and the refraction structure is of a T-shaped structure as a whole.
Preferably, the photovoltaic power generation sheet and the photovoltaic units above the photovoltaic power generation sheet are made of crystalline silicon, and the photovoltaic power generation sheet and the photovoltaic units form a corrugated structure together.
Preferably, the energy storage sheet is made of a lead-acid storage battery, an alkaline storage battery, a lithium battery or a super capacitor.
The photovoltaic power generation layer and/or the photovoltaic energy storage layer are/is connected to a transformer through a power supply circuit, and the transformer is connected to an electricity load.
By means of the mode of increasing the energy storage layer of the photovoltaic panel, stable delay of the power generation power peak of the photovoltaic power generation panel and the output power of the inverter is achieved, and the installed capacity of the whole photovoltaic power generation panel is not limited by the capacity of the transformer.
As shown in fig. 4, when the photovoltaic power generation layer and the photovoltaic energy storage layer are simultaneously connected with the transformer, the peak-avoiding type connection structure of the power generation plate is formed.
As shown in fig. 5, the photovoltaic power generation layer is connected to the photovoltaic energy storage layer, and only when the photovoltaic energy storage layer is connected to the transformer, the energy storage type connection structure of the power generation plate is formed.
The power generation capacity of the photovoltaic power generation layer and the photovoltaic energy storage layer is not limited by the capacity of the transformer. For example, the capacity of the transformer is 200KW, and the total power generation capacity of the photovoltaic power generation layer and the photovoltaic energy storage layer may exceed 200KW and be increased to 400KW.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An energy storage type refraction photovoltaic power generation plate is characterized by sequentially comprising from top to bottom:
the surface transparent shell (1) is made of transparent high-temperature resistant materials;
the distributed light-gathering layer (2) comprises a plurality of light-gathering units, and the light-gathering units and the light-scattering units (3) positioned below the light-gathering units form a refraction structure;
the photovoltaic light scattering layer comprises photovoltaic units (4) and light scattering units (3) which are arranged at intervals, wherein a sawtooth structure is formed between every two adjacent photovoltaic units (4), and the light scattering units (3) refract light transmitted by the light focusing units to the photovoltaic units (4) on the two sides and the bottom layer;
the photovoltaic power generation layer comprises a plurality of photovoltaic power generation pieces (5), and each photovoltaic power generation piece (5) is connected with a plurality of photovoltaic units (4) positioned on the photovoltaic power generation piece;
the photovoltaic energy storage layer comprises a plurality of energy storage sheets (6), and the energy storage sheets (6) are connected with photovoltaic power generation sheets (5) positioned on the photovoltaic energy storage layers;
and the bottom protective shell (7) is in a groove shape and is used for protecting and containing the structure positioned on the bottom protective shell.
2. The energy-storage type refractive photovoltaic power generation plate according to claim 1, wherein the light condensing unit adopts a convex lens, sunlight is condensed by the convex lens, and a focus of the convex lens is converged on the light diffusing unit (3).
3. The energy-storage type refraction photovoltaic power generation plate according to claim 2, wherein the light scattering units (3) are of an inner arc triangle structure which is vertically arranged, and sunlight is refracted to photovoltaic units (4) on two sides and a bottom layer through the refraction effect of the light scattering units (3).
4. The energy-storage type refractive photovoltaic power generation plate according to claim 3, wherein the photovoltaic light-scattering layer improves the power conversion efficiency per unit area through a refractive structure, and the refractive structure is integrally of a T-shaped structure.
5. The energy-storage type refraction photovoltaic power generation plate according to claim 4, wherein the photovoltaic power generation sheet (5) and the photovoltaic units (4) above the photovoltaic power generation sheet are made of crystalline silicon, and the photovoltaic power generation sheet (5) and the photovoltaic units (4) form a corrugated structure together.
6. The energy-storage type refraction photovoltaic power generation panel according to claim 1, wherein the energy storage sheet is made of a lead-acid storage battery, an alkaline storage battery, a lithium battery or a super capacitor.
7. The energy-storing refractive photovoltaic power generation panel according to claim 1, wherein the photovoltaic power generation layer and/or the photovoltaic energy storage layer is connected to a transformer through a power supply line, and the transformer is connected to an electric load.
8. The energy-storage type refraction photovoltaic power generation panel according to claim 3, wherein the photovoltaic power generation layer and the photovoltaic energy storage layer form a peak-avoiding connection structure of the power generation panel when being connected with the transformer.
9. The energy-storing refractive photovoltaic power generation panel according to claim 3, wherein the photovoltaic power generation layer is connected to the photovoltaic energy storage layer, and only when the photovoltaic energy storage layer is connected to the transformer, the energy-storing connection structure of the power generation panel is formed.
10. The energy storage refractive photovoltaic power generation panel according to claim 4 or 5, wherein the power generation capacity of the photovoltaic power generation layer and the photovoltaic energy storage layer is not limited by the capacity of the transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310943924.4A CN116743071A (en) | 2023-07-31 | 2023-07-31 | Energy-storage type refraction photovoltaic power generation plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310943924.4A CN116743071A (en) | 2023-07-31 | 2023-07-31 | Energy-storage type refraction photovoltaic power generation plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116743071A true CN116743071A (en) | 2023-09-12 |
Family
ID=87909786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310943924.4A Pending CN116743071A (en) | 2023-07-31 | 2023-07-31 | Energy-storage type refraction photovoltaic power generation plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116743071A (en) |
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2023
- 2023-07-31 CN CN202310943924.4A patent/CN116743071A/en active Pending
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