CN113992146B - Solar spectrum frequency division and residual light converging and re-radiating coupling light energy step power generation device and system - Google Patents
Solar spectrum frequency division and residual light converging and re-radiating coupling light energy step power generation device and system Download PDFInfo
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- CN113992146B CN113992146B CN202111292711.7A CN202111292711A CN113992146B CN 113992146 B CN113992146 B CN 113992146B CN 202111292711 A CN202111292711 A CN 202111292711A CN 113992146 B CN113992146 B CN 113992146B
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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
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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
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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
- Y02E10/52—PV systems with concentrators
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Abstract
The invention discloses a solar spectrum frequency division and residual light converging and re-radiation coupling light energy step power generation device and system. The structural absorber of the outer square column and the inner cylindrical cavity is specially designed to absorb long-wave radiation after frequency division. The outer wall surface of the structural absorber is a radiator, and two-stage photovoltaic cells are arranged around the radiator. The whole system is formed by periodically arranging a plurality of devices, is supported by a periodic support, realizes the step conversion power generation of solar energy through solar radiation spectrum frequency division and residual light spectrum readjustment, and simultaneously reduces the loss in the condensation process of the whole system by using a design method of frequency division and condensation. The whole system accords with the energy cascade utilization principle and has important application value.
Description
Technical Field
The invention belongs to the technical field of solar energy utilization, and particularly relates to a solar spectrum frequency division and residual light converging and re-radiation coupling light energy step power generation device and system.
Background
With the increase of global energy consumption, the generation of greenhouse gas emissions represented by CO 2 causes climate change, threatening the sustainable development of human society. Respective carbon reduction plans are proposed in various countries of the world. Solar energy is used as an important clean energy source, and is rich in resources and pollution-free.
Solar power generation mainly comprises two modes of photovoltaic and photo-thermal. Because the photovoltaic cell mainly responds to the radiation of visible light and near infrared wave bands, the problem that the solar radiation spectrum is not matched with the response wave band of the photovoltaic cell exists. A large amount of non-convertible long wave radiation is wasted, limiting the efficiency of solar photovoltaic conversion. For solar photo-thermal conversion, a higher heat collection temperature is required to improve the heat-power conversion efficiency, and at the same time, the high-temperature irreversible loss in the concentrating and heat-collecting process can cause energy waste. Therefore, based on the thermodynamic principle, the step ordered conversion of solar energy is realized from the angle of energy quality matching, and the method is a core and key problem for realizing the efficient utilization of solar energy.
Disclosure of Invention
The invention aims to provide a solar spectrum frequency division and residual light converging and re-radiation coupling light energy step power generation device and system. The invention realizes the secondary frequency division of the solar spectrum by using the frequency division filter, the primary photovoltaic cell, the reflecting mirror and other components. The light energy cascade power generation system is formed by converging residual light and re-radiating photovoltaic power generation by utilizing components such as a condenser, a structural absorber, a re-radiator, a secondary photovoltaic cell and the like. The solar spectrum frequency division and residual light converging and re-radiating coupling light energy cascade power generation system established by the invention adopts the design that the full spectrum of sunlight is firstly divided and then the residual light is condensed and utilized, and compared with the design scheme that the light is condensed and then divided, the light energy loss in the condensation process can be reduced.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The invention provides a solar spectrum frequency division and residual light converging and re-radiating coupled light energy step power generation device, which comprises a frequency division filter, a first-stage photovoltaic cell, a reflecting mirror, a condenser, a structural absorber, a re-radiator, a second-stage photovoltaic cell, a photovoltaic fixing support, an absorber fixing support and a device support;
The frequency division filter and the first-stage photovoltaic cell form a first-stage photovoltaic power generation unit frequency division filter which transmits spectrum radiation matched with the first-stage photovoltaic cell and reflects long-wave spectrum radiation which cannot be utilized by the first-stage photovoltaic cell; the frequency division filter is arranged above the first-stage photovoltaic cell in parallel;
the reflector reflects the long-wave spectrum radiation after frequency division by the frequency division filter optical device to the condenser;
The solar energy power generation device comprises a condenser, a structural absorber, a re-radiator and a secondary photovoltaic cell, wherein the condenser, the structural absorber, the re-radiator and the secondary photovoltaic cell form a secondary photovoltaic power generation unit, radiation converged by the condenser is absorbed by the structural absorber, so that the temperature of the structural absorber is increased, and a corresponding spectrum is further emitted through the re-radiator, so that the secondary photovoltaic cell generates power;
The photovoltaic fixing support, the absorber fixing support and the device support form a support system; the photovoltaic fixing support is used for fixing the frequency division filter, the first-stage photovoltaic cell and the reflecting mirror; the absorber fixing support is connected with the device support and used for fixing the structural absorber, and the top of the device support is connected with the photovoltaic fixing support to fix the photovoltaic fixing support.
The device adopts the design that the full spectrum of sunlight is divided and then the residual light is condensed, thereby reducing the energy loss in the full spectrum condensation process.
Preferably, the first-stage photovoltaic cell, the frequency division filter and the vertical incident light path are arranged at 45 degrees (at an angle of 45 degrees with respect to the ground) so that the incident light path and the reflected light path are at a substantially right angle; the frequency division filter adopts selective transmission glass, transmits 300-900nm short wave radiation and reflects the rest spectrum, and the first-stage photovoltaic cell adopts a silicon cell.
As a preferable scheme of the invention, the reflecting mirror adopts a silver-plated film total reflecting mirror surface which is fixed on the back surface of the photovoltaic fixing bracket.
As a preferable scheme of the invention, the condenser adopts a groove type parabolic condenser which is positioned below the structural absorber; the structural absorber is a cavity-type structural absorber with a square outside and a round inside, the whole appearance of the structural absorber is cuboid, one downward surface of the structural absorber is provided with a small groove, and the small groove is positioned at the focus of the condenser and used for absorbing concentrated radiation; the inside of the cuboid is a cylindrical cavity, the cavity structure is made of copper or aluminum alloy and other materials, and the inner wall of the cavity of the cylindrical cavity is coated with a high-temperature blackbody radiation coating.
As a preferable scheme of the invention, the re-radiator uses a silicon carbide coating, and the secondary photovoltaic cell can adopt a silicon cell so as to reduce the cost; or the gallium antimonide battery has a spectral response wave band below 1800nm, so that the efficiency can be improved. And a thin film type infrared filter layer is arranged on the surface of the secondary photovoltaic cell facing the re-radiator.
As a preferable scheme of the invention, the photovoltaic fixing bracket is arranged at 45 degrees with the ground, the side surface is in an inclined I shape, a first-stage photovoltaic cell and a frequency division filter are arranged on the upper surface of the photovoltaic fixing bracket, and the reflector of the same light energy step power generation device is arranged on the back surface of the other adjacent photovoltaic fixing bracket in the radiation direction of the reflection spectrum; the lower end of the photovoltaic fixing support is welded and fixed with the device support column; the absorber fixing support is connected with the absorber and the device support, and meanwhile the absorber support is arranged around the absorber in a design mode and is used for fixing the secondary photovoltaic cell. The device strut may be fixed to the ground or a building.
As a preferred embodiment of the present invention, the bracket system is made of an aluminum alloy material; the inside of the bracket system is a cavity, is designed as a heat dissipation channel, and can be filled with water as a cooling medium so as to dissipate heat of the photovoltaic cell.
The invention also discloses a solar spectrum double-frequency division and residual light converging and re-radiating coupled light energy step power generation system, which comprises the light energy step power generation device, wherein the light energy step power generation devices are periodically and closely arranged without gaps, two adjacent light energy step power generation devices share a photovoltaic fixing support, namely, a first-stage photovoltaic cell and a frequency division filter of one light energy step power generation device are arranged on the upper side of the photovoltaic fixing support, and a reflector of the other light energy step power generation device is arranged on the back side of the photovoltaic fixing support.
Further, two adjacent optical energy step generators share a device strut.
The invention has the main advantages that:
The step ordered conversion of the solar radiation energy is realized through frequency division, and the thermodynamic principle is fundamentally met. And (3) carrying out residual light aggregation on the long-wave-band low-grade residual light after frequency division through a condenser, and simultaneously, specially designing an inner square and outer round cavity type absorber to absorb the long-wave-band low-grade residual light after frequency division as much as possible. The outer wall surface of the structural absorber is subjected to radiation readjustment through the radiator after being heated, so that the secondary photovoltaic power generation is realized. The invention does not introduce the traditional heat energy conversion technology such as thermodynamic cycle, and the like, can effectively reduce the volume of the system, realize the output of direct current and can be conveniently connected with devices such as an energy storage battery, and the like.
The system adopts the design that the full spectrum of sunlight is divided firstly and then the residual light is condensed, so that the energy loss in the full spectrum condensation process is reduced. Meanwhile, after the frequency division, a condensing design is used for the secondary photovoltaic power generation unit, and the structured absorber can effectively reduce the area of the secondary low-forbidden-band photovoltaic cell, so that the system cost is effectively reduced.
The residual light energy after frequency division occupies smaller space, and the temperature generated after condensation and heat collection is lower, so that the square structural absorber can be designed and photovoltaic cells are arranged around. The condensing temperature of the system is not more than 1000 ℃, so that the radiation heat loss of the absorber can be reduced, and the irreversible loss in the condensing and heat collecting process is reduced. The secondary photovoltaic device can use a silicon battery to reduce the cost, can also use a gallium antimonide (GaSb) battery with longer front belt, and can respond to radiation below 1800nm so as to more effectively utilize heat radiation energy generated after heat accumulation of residual light. The whole system accords with the principle of orderly release of energy in the thermodynamic aspect.
The system is formed by periodically arranging the light energy step power generation device units, and photovoltaic cells and reflectors of adjacent device units arranged on the front surface and the back surface of the photovoltaic bracket can realize complementation of light paths, so that a complete light path is formed. The periodically arranged devices can realize the gapless utilization of sunlight in a larger area.
Drawings
FIG. 1 is a solar spectrum dual-division and residual light converging reradiation coupled light energy cascade power generation system;
In the figure: the photovoltaic module comprises a frequency division filter 1, a first-stage photovoltaic cell 2, a reflecting mirror 3, a condenser 4, a structural absorber 5, a re-radiator 6, a second-stage photovoltaic cell 7, a device support 8, a photovoltaic fixing support 9 and an absorber fixing support 10. 001 solar radiation light path, 002 frequency division reflection radiation light path.
FIG. 2 is a structural concentrating reradiating photovoltaic cell embodiment;
FIG. 3 is a periodic array arrangement of spectral division and excess light converging reradiating coupled light energy step generators.
Detailed Description
The structural and operational principles of the embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the solar spectrum frequency division and residual light converging and re-radiating coupled light energy step power generation device comprises a frequency division filter 1, a first-stage photovoltaic cell 2, a reflecting mirror 3, a trough type condenser 4, a structural absorber 5, a re-radiator 6, a second-stage photovoltaic cell 7, a device support column 8 serving as a supporting system, a photovoltaic fixing support 9, an absorber fixing support 10 and the like which are sequentially arranged along a solar radiation light path.
The frequency division filter 1 and the primary photovoltaic cell 2 form a primary photovoltaic power generation unit, and the frequency division filter 1 transmits spectrum radiation matched with the primary photovoltaic cell 2 and reflects long-wavelength spectrum radiation. The crossover filter 1 is arranged in parallel above the first stage photovoltaic cells 2. The primary photovoltaic cell 1 and the crossover filter 2 are arranged at 45 degrees to the vertical incident solar radiation path 001, and at 45 degrees to the ground, such that the incident path 001 is substantially at right angles to the reflected path 002. The frequency division filter 1 preferably adopts selective transmission glass, transmits short wave radiation of 300-900nm, and simultaneously reflects solar radiation of other wave bands, and has the advantage of low price, and the first-stage photovoltaic cell 2 adopts a silicon cell and can respond to solar radiation below 1000 nm.
The mirror 3 reflects the divided long-wave spectral radiation again onto the condenser 4. Preferably, the reflecting mirror 3 adopts a silver-plated total reflection mirror surface, and is fixed on the back surface of the photovoltaic fixing bracket 9.
The condenser 4, the structural absorber 5, the re-radiator 6 and the secondary photovoltaic cell 7 form a secondary photovoltaic power generation unit. The condenser 4 is arranged below the structural absorber 5, the radiator 6 is closely arranged on the outer surface of the structural absorber 5, and the secondary photovoltaic cell 7 is arranged opposite to the radiator 6, namely, is arranged on the periphery of the radiator 6. The radiation collected by the concentrator 4 is absorbed by the structured absorber 5, so that the temperature of the structured absorber 5 is increased, and a corresponding spectrum is further emitted by the re-radiator 6, so that the secondary photovoltaic cell 7 generates electricity. The condenser 4 of the device adopts a groove type parabolic condenser. The structural absorber 5 is designed in particular as an absorber of a square-outside and round-inside cavity type, as shown in fig. 2. The whole appearance is cuboid, and a small groove is opened to the one side of spotlight ware, and the position of this small groove is located spotlight ware focus department for absorption spotlight radiation. The structural absorber 5 is internally provided with a cylindrical cavity, and the cavity absorber structure is preferably made of copper or aluminum alloy and other materials. The inner wall of the cavity is coated with a high-temperature blackbody radiation coating, and the radiation of the long-wave band spectrum after frequency division is absorbed to the maximum extent. Due to the frequency division design, the temperature of the cavity absorber can be below 1000 ℃, and radiation loss can be reduced.
The outer wall surface of the absorber cavity is provided with a re-radiator 6, and the re-radiator 6 is preferably a silicon carbide coating which has the characteristics of high temperature resistance and is similar to blackbody radiation. The secondary photovoltaic cell 7 can adopt a silicon cell, so that the cost can be remarkably reduced; or a gallium antimonide battery is used, the spectral response wave band of the gallium antimonide battery is below 1800nm, and the efficiency of the system can be improved. Preferably, the surface of the secondary photovoltaic cell 7 facing the re-radiator is provided with a film type infrared filter layer, the film type infrared filter layer can adopt a Si/SiO 2 composite multilayer structure, can transmit near infrared radiation in the range of 800nm-1800nm and reflect infrared radiation higher than 1800nm, and the filter wave band is moderate, thereby being beneficial to the processing and manufacturing of the filter. The area of the absorber 5 and the secondary photovoltaic cell 7 is significantly reduced due to the frequency division concentration, so that the cost can be reduced to some extent.
The device support column 8, the photovoltaic fixing support 9, the absorber fixing support 10 and the like form a support system. The photovoltaic fixed support 9 is arranged at 45 degrees with the ground, the side surface of the photovoltaic fixed support is in an inclined I shape, the primary photovoltaic cell 2 and the frequency division filter 1 are arranged on the upper surface of the photovoltaic fixed support, and the reflector 3 of the adjacent light energy step power generation device is arranged on the back surface of the photovoltaic fixed support. The lower end of the device is welded and fixed with the device support column 8. The absorber fixing bracket 10 is connected with the absorber 5 and the device support column 8; meanwhile, as shown in fig. 2, an absorber fixing bracket 10 is designed to be disposed around the absorber 5 for fixing the secondary photovoltaic cell 7.
The bracket system is made of aluminum alloy materials. The inside of the bracket system is a cavity, is designed as a heat dissipation channel, and can be filled with water as a cooling medium, so that heat dissipation is carried out on all photovoltaic cells in the whole system.
The devices may also be arranged periodically, as shown in fig. 3, to form a light energy step generation system. The system comprises a plurality of the optical energy step power generation devices, the optical energy step power generation devices are arranged in a periodical gapless and adjacent mode, wherein two adjacent optical energy step power generation devices share a photovoltaic fixing support, namely, a first-stage photovoltaic cell and a frequency division filter of one optical energy step power generation device are arranged on the upper side of the photovoltaic fixing support, and a reflector of the other optical energy step power generation device is arranged on the back side of the photovoltaic fixing support. The photovoltaic cells and the reflectors arranged on the front and back sides of the photovoltaic bracket can be complemented to form a complete light path. The periodically arranged devices can realize the gapless utilization of sunlight in a larger area. Reasonable and feasible in space layout planning.
The solar spectrum double-frequency division and residual light converging and re-radiating coupling light energy cascade power generation system established by the invention particularly adopts the design that the full spectrum of sunlight is firstly frequency-divided and then the residual light is condensed and utilized. Compared with the design scheme of condensing first and then dividing frequency, the radiation energy loss in the condensing process can be reduced. The specific working process of the whole system is as follows:
The radiation 001 from the sun firstly irradiates the frequency division filter 1, after spectrum frequency division, sunlight with the wave band of 300-900nm is transmitted through the frequency divider to be incident on the surface of the first-stage photovoltaic cell 2, so that the sunlight generates photo-generated current to generate electricity, and cooling water flows through a cooling channel in the photovoltaic support 9, so that the normal operation of the cell is ensured. The radiation with the wavelength of 900nm is reflected by the frequency division filter, further enters the surface of the reflector 3, enters the surface of the condenser 4 after being reflected, finally enters the inner cavity of the structural absorber 5 through the condensation effect of the condenser 4, and the heat collecting effect of the residual light heats the absorber, so that the outer wall surface side of the absorber generates effective spectrum radiation again through the re-radiator, and enters the secondary photovoltaic cell 7 to generate photo-generated current to generate electricity, and the cooling channel in the absorber fixing support 10 is filled with cooling water, so that the normal operation of the secondary photovoltaic cell is ensured. The concentrating design of the system can effectively reduce the area of the secondary photovoltaic cell, thereby effectively reducing the cost of the system.
The whole system utilizes a frequency division filter, a first-stage photovoltaic cell, a reflector and other components to realize solar spectrum frequency division. The residual light is converged and the photovoltaic power generation is performed by utilizing components such as a condenser, a re-radiator, a secondary photovoltaic cell and the like. Thereby forming a light energy cascade power generation system, and fundamentally conforming to the principle of orderly release of thermodynamic energy.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (8)
1. The solar spectrum frequency division and residual light converging and re-radiating coupled light energy step power generation device is characterized by comprising a frequency division filter, a primary photovoltaic cell, a reflecting mirror, a condenser, a structural absorber, a re-radiator, a secondary photovoltaic cell, a photovoltaic fixing support, an absorber fixing support and a device support;
The frequency division filter and the first-stage photovoltaic cell form a first-stage photovoltaic power generation unit, and the frequency division filter transmits spectrum radiation matched with the first-stage photovoltaic cell and reflects long-wave spectrum radiation which cannot be utilized by the first-stage photovoltaic cell; the frequency division filter is arranged above the first-stage photovoltaic cell in parallel;
the reflector reflects the long-wave spectrum radiation after frequency division by the frequency division filter optical device to the condenser;
The solar energy power generation device comprises a condenser, a structural absorber, a re-radiator and a secondary photovoltaic cell, wherein the condenser, the structural absorber, the re-radiator and the secondary photovoltaic cell form a secondary photovoltaic power generation unit, radiation converged by the condenser is absorbed by the structural absorber, so that the temperature of the structural absorber is increased, and a corresponding spectrum is further emitted through the re-radiator, so that the secondary photovoltaic cell generates power; the condenser adopts a groove type parabolic condenser lens which is positioned below the structural absorber; the structural absorber is a cavity-type structural absorber with a square outside and a round inside, the whole appearance of the structural absorber is cuboid, one downward surface of the structural absorber is provided with a small groove, and the small groove is positioned at the focus of the condenser and used for absorbing concentrated radiation; the inside of the cuboid is a cylindrical cavity, the cavity structure is made of copper or aluminum alloy materials, and the inner wall of the cavity of the cylindrical cavity is coated with a high-temperature blackbody radiation coating;
The photovoltaic fixing support, the absorber fixing support and the device support form a support system; the photovoltaic fixing support is used for fixing the frequency division filter, the first-stage photovoltaic cell and the reflecting mirror; the absorber fixing support is connected with the device support and used for fixing the structural absorber, and the top of the device support is connected with the photovoltaic fixing support to fix the photovoltaic fixing support.
2. The solar spectrum frequency division and residual light converging and re-radiating coupling light energy step power generation device according to claim 1, wherein the device is characterized in that: the first-stage photovoltaic cell, the frequency division filter and the vertical incident light path are arranged at 45 degrees, so that the incident light path and the reflecting light path are basically at right angles; the frequency division filter adopts selective transmission glass, transmits 300-900nm short wave radiation and reflects the rest spectrum, and the first-stage photovoltaic cell adopts a silicon cell.
3. The solar spectrum frequency division and residual light converging and re-radiating coupling light energy step power generation device according to claim 1, wherein the device is characterized in that: the reflecting mirror adopts a silver film plated total reflecting mirror surface which is fixed on the back surface of the photovoltaic fixing support.
4. The solar spectrum frequency division and residual light converging and re-radiating coupling light energy step power generation device according to claim 1, wherein the device is characterized in that: the re-radiator uses a silicon carbide coating, the secondary photovoltaic cell can adopt a silicon or gallium antimonide battery, and a thin film type infrared filter layer is arranged on the surface of the secondary photovoltaic cell facing the re-radiator.
5. The solar spectrum frequency division and residual light converging and re-radiating coupled light energy step power generation device according to claim 1, wherein the photovoltaic fixed support is arranged at 45 degrees with the ground, the side surface is in an inclined I shape, a first-stage photovoltaic cell and a frequency division filter are arranged on the upward side of the photovoltaic fixed support, and a reflector of the same light energy step power generation device is arranged on the back surface of another photovoltaic fixed support adjacent to the reflecting spectrum in the radiation direction; the lower end of the photovoltaic fixing support is welded and fixed with the device support column; the absorber fixing support is connected with the absorber and the device support, and meanwhile the absorber support is arranged around the absorber in a design mode and is used for fixing the secondary photovoltaic cell.
6. The solar spectrum frequency division and residual light converging and re-radiating coupled light energy cascade power generation device according to claim 1, wherein the bracket system is made of an aluminum alloy material; the inside of the bracket system is a cavity, is designed as a heat dissipation channel, and can be filled with water as a cooling medium so as to dissipate heat of the photovoltaic cell.
7. A solar spectrum frequency division and residual light converging and re-radiating coupled light energy step power generation system, which is characterized by comprising a plurality of light energy step power generation devices according to any one of claims 1-6, wherein the light energy step power generation devices are arranged in a periodical gapless and adjacent mode, two adjacent light energy step power generation devices share a photovoltaic fixing support, namely a first-stage photovoltaic cell and a frequency division filter of one light energy step power generation device are arranged on the upper side of the photovoltaic fixing support, and a reflector of the other light energy step power generation device is arranged on the rear side of the photovoltaic fixing support.
8. The solar spectrum division and excess light converging and re-radiating coupled optical energy cascade power generation system of claim 7, wherein two adjacent optical energy cascade power generation devices share device struts.
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| CN101478014A (en) * | 2008-12-01 | 2009-07-08 | 苏州纳米技术与纳米仿生研究所 | Light splitting manufacturing process for five-junction solar cell system |
| CN103888051A (en) * | 2014-03-24 | 2014-06-25 | 北京工业大学 | Holographic light condensing and splitting solar power generation module |
| CN105514197A (en) * | 2016-02-18 | 2016-04-20 | 陆玉正 | Heat pipe type solar energy thermophotovoltaic and optothermal integrated device |
| CN207869021U (en) * | 2018-01-25 | 2018-09-14 | 青岛中科麦特新能源有限公司 | A kind of photovoltaic/photo device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6689949B2 (en) * | 2002-05-17 | 2004-02-10 | United Innovations, Inc. | Concentrating photovoltaic cavity converters for extreme solar-to-electric conversion efficiencies |
| US20160005908A1 (en) * | 2014-07-07 | 2016-01-07 | King Fahd University Of Petroleum And Minerals | Beam splitting of solar light by reflective filters |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478014A (en) * | 2008-12-01 | 2009-07-08 | 苏州纳米技术与纳米仿生研究所 | Light splitting manufacturing process for five-junction solar cell system |
| CN103888051A (en) * | 2014-03-24 | 2014-06-25 | 北京工业大学 | Holographic light condensing and splitting solar power generation module |
| CN105514197A (en) * | 2016-02-18 | 2016-04-20 | 陆玉正 | Heat pipe type solar energy thermophotovoltaic and optothermal integrated device |
| CN207869021U (en) * | 2018-01-25 | 2018-09-14 | 青岛中科麦特新能源有限公司 | A kind of photovoltaic/photo device |
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