CN212752179U - East-west-oriented double-sided photovoltaic module power generation system with reflection system - Google Patents
East-west-oriented double-sided photovoltaic module power generation system with reflection system Download PDFInfo
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- CN212752179U CN212752179U CN202021547036.9U CN202021547036U CN212752179U CN 212752179 U CN212752179 U CN 212752179U CN 202021547036 U CN202021547036 U CN 202021547036U CN 212752179 U CN212752179 U CN 212752179U
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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
- Y02E10/47—Mountings or tracking
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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 application relates to a have two-sided photovoltaic module power generation system towards east-west of reflection system, include at least: the photovoltaic module comprises a double-sided photovoltaic module facing the east-west direction, a first support body positioned on the east side of the double-sided photovoltaic module and a second support body positioned on the west side of the double-sided photovoltaic module; the double-sided photovoltaic module is installed perpendicular to the ground, the first supporting body is provided with a first reflecting surface facing the double-sided photovoltaic module, the second supporting body is provided with a second reflecting surface facing the double-sided photovoltaic module, the first reflecting surface and the second reflecting surface reflect light towards the double-sided photovoltaic module, and the supporting body and the reflecting surface supporting the reflecting surfaces form a reflecting system. This application can increase substantially photovoltaic module in the morning early and the later power generation power of afternoon, has eliminated the generating power peak at noon, has reduced the transmission of electricity passageway jam pressure of electric wire netting at noon, can increase substantially the radiant quantity of the ground reverberation that photovoltaic module received, increases substantially photovoltaic module's generated energy to improve photovoltaic power generation's income.
Description
Technical Field
The utility model relates to a photovoltaic field especially relates to a have two-sided photovoltaic module power generation system towards east-west direction of reflection system.
Background
The photovoltaic module generates electricity by receiving solar radiation light. The photovoltaic module can receive direct light and reflected light. The front surface and the back surface of the double-sided photovoltaic module can simultaneously receive direct light and reflected light of sunlight for power generation. By vertically arranging the bifacial photovoltaic modules and installing them as a low cost ground reflector system, a large amount of sunlight striking the reflector system is reflected onto the photovoltaic modules. Therefore, the photovoltaic module can receive a large amount of reflected light besides the direct solar light, so that the generating capacity is greatly increased, and the benefit of photovoltaic power generation is increased.
At present, a photovoltaic module is generally and fixedly installed on the ground, and in order to maximize the amount of solar direct light radiation received by the photovoltaic module, the photovoltaic module is generally and fixedly installed in the northern hemisphere by inclining a certain angle (which is in direct proportion to the latitude) towards the south according to the latitude. However, with this installation method, the photovoltaic module generates a small power output in the morning and evening, and the generated power is the maximum in the midday. When the photovoltaic power generation capacity of one area accounts for a large proportion of the total power generation capacity, the power generation power of all photovoltaic modules has a high peak value at the same time in the midday, so that the power transmission power of a power grid is seriously unbalanced, namely the power generation power in the morning and evening is small, and the power generation power in the midday is large. In this case, the transmission power of the power grid is designed according to the maximum photovoltaic power generation power, which reduces the transmission amount of the unit-power grid and greatly increases the transmission cost of the power grid; or the transmission power of the power grid is reduced, and the photovoltaic power exceeding the transmission capacity is abandoned at the peak of the photovoltaic power generation, but the economic loss of the photovoltaic power generation is caused.
In addition, the existing double-sided photovoltaic module adopts the existing fixed installation mode of inclining a certain angle towards south, and the ground reflected light received by the back surface is less.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide an east-west facing bifacial photovoltaic module power generation system with a reflection system that overcomes or at least partially solves the above problems.
According to an aspect of the utility model, a have two-sided photovoltaic module power generation system towards east and west direction of reflection system is provided, include at least: the photovoltaic module comprises a double-sided photovoltaic module facing the east-west direction, a first support body positioned on the east side of the double-sided photovoltaic module and a second support body positioned on the west side of the double-sided photovoltaic module; the double-sided photovoltaic module is installed perpendicular to the ground, the first supporting body is provided with a first reflecting surface facing the double-sided photovoltaic module, the second supporting body is provided with a second reflecting surface facing the double-sided photovoltaic module, the first reflecting surface and the second reflecting surface reflect light towards the double-sided photovoltaic module, and the supporting body and the reflecting surface supporting the reflecting surfaces form a reflecting system.
In one possible embodiment, the bifacial photovoltaic module is mounted vertically on the ground by a bifacial photovoltaic module base.
In a possible embodiment, the first support and/or the second support are linear slopes with a fixed slope, the minimum value of the slope of the reflecting surface is zero, i.e. the angle between the reflecting surface and the horizontal plane is zero, and the maximum value is infinite, i.e. the angle between the reflecting surface and the horizontal plane is 90 °.
In a possible embodiment, the first support and/or the second support are curved slopes with continuously varying slopes, the minimum value of the slope of the reflecting surface is zero, i.e. the angle between the reflecting surface and the horizontal plane is zero, and the maximum value is infinite, i.e. the angle between the reflecting surface and the horizontal plane is 90 °.
In a possible embodiment, the first supporting body and/or the second supporting body are two or more broken line slopes with fixed slopes, the minimum value of the slope of the reflecting surface is zero, that is, the included angle between the reflecting surface and the horizontal plane is zero, and the maximum value is infinite, that is, the included angle between the reflecting surface and the horizontal plane is 90 °.
In a possible embodiment, the first support and/or the second support is a slope with a curved surface combined with a straight line or a broken line, the slope of the reflecting surface has a minimum value of zero, i.e. the included angle between the reflecting surface and the horizontal plane is zero, and the maximum value is infinite, i.e. the included angle between the reflecting surface and the horizontal plane is 90 °.
In one possible embodiment, a reflective plate or a reflective film having a high reflectivity to sunlight is applied to the first support and/or the second support.
In one possible embodiment, the reflector plate and/or the reflector film is a silver-plated or aluminum-plated glass mirror.
In one possible embodiment, the reflective plate and/or the reflective film is a plastic reflective film made of a transparent plastic film plated with silver or aluminum.
In one possible embodiment, the first support and/or the second support are coated with a reflective coating having a high reflectivity for sunlight.
The utility model discloses can increase substantially photovoltaic module in the morning early and afternoon later time generated power, the generated power peak in noon has been cut off, the transmission of electricity passageway jam pressure of electric wire netting in noon has been reduced, the radiant quantity of the ground reverberation that photovoltaic module received can be increased substantially, photovoltaic module's generated energy is increased substantially, and photovoltaic power generation system's utilization hours number has been improved, unit generated power's generated energy promptly, consequently, photovoltaic power generation system's income has been improved.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a double-sided photovoltaic module power generation system with a single fixed slope according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a double-sided photovoltaic module power generation system with two fixed slopes (or multiple fixed slopes) according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a double-sided photovoltaic module power generation system with a continuously changing slope according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a double-sided photovoltaic module power generation system with a continuously variable slope and a fixed slope combined according to an embodiment of the present invention;
description of reference numerals:
1-double-sided photovoltaic module, 2-first support, 3-second support, 4-double-sided photovoltaic module base, 21-first reflecting surface and 31-second reflecting surface.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terms "comprises" and "comprising," and any variations thereof, in the described embodiments of the invention, and in the claims and drawings, are intended to cover a non-exclusive inclusion, such as a list of steps or elements.
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1-4, the embodiment of the present invention provides a two-sided photovoltaic module power generation system facing east and west direction with a reflection system, which at least comprises:
the photovoltaic module comprises a double-sided photovoltaic module 1 facing the east-west direction, a first support body 2 positioned on the east side of the double-sided photovoltaic module 1 and a second support body 3 positioned on the west side of the double-sided photovoltaic module 1.
The double-sided photovoltaic module 1 is installed perpendicular to the ground, the first supporting body 2 is provided with a first reflecting surface 21 facing the double-sided photovoltaic module 1, the second supporting body 3 is provided with a second reflecting surface 31 facing the double-sided photovoltaic module 1, the first reflecting surface 21 and the second reflecting surface 31 reflect light to the double-sided photovoltaic module 1, and the supporting body and the reflecting surface supporting the reflecting surfaces form a reflecting system.
In one example, the bifacial photovoltaic module 1 is vertically mounted to the ground through a bifacial photovoltaic module base 4.
In one example, the first support 2 is a straight slope with a fixed slope, the inclined surface of the straight slope is a first reflecting surface, the minimum value of the slope of the reflecting surface is zero, that is, the included angle between the reflecting surface and the horizontal plane is zero, and the maximum value is infinite, that is, the included angle between the reflecting surface and the horizontal plane is 90 °.
In one example, the first support 2 is a curved slope with a continuously changing slope, the curved surface is a first reflecting surface, the minimum value of the slope of the reflecting surface is zero, that is, the included angle between the reflecting surface and the horizontal plane is zero, and the maximum value is infinite, that is, the included angle between the reflecting surface and the horizontal plane is 90 °.
In one example, the first support 2 is a polygonal line slope formed by connecting two or more fixed slopes, the minimum value of the slope of the reflecting surface is zero, that is, the included angle between the reflecting surface and the horizontal plane is zero, and the maximum value is infinite, that is, the included angle between the reflecting surface and the horizontal plane is 90 °.
In one example, the first support 2 is a slope formed by combining a curved surface and a straight line or a broken line, the minimum value of the slope of the reflecting surface is zero, that is, the included angle between the reflecting surface and the horizontal plane is zero, and the maximum value is infinite, that is, the included angle between the reflecting surface and the horizontal plane is 90 °.
In one example, the second supporting body 3 is a straight slope with a fixed slope, the inclined surface of the straight slope is a second reflecting surface, the minimum value of the slope of the reflecting surface is zero, that is, the included angle between the reflecting surface and the horizontal plane is zero, and the maximum value is infinite, that is, the included angle between the reflecting surface and the horizontal plane is 90 °.
In one example, the second supporting body 3 is a curved slope with a continuously changing slope, the curved surface is a second reflecting surface, the minimum value of the slope of the reflecting surface is zero, that is, the included angle between the reflecting surface and the horizontal plane is zero, and the maximum value is infinite, that is, the included angle between the reflecting surface and the horizontal plane is 90 °.
In one example, the second supporting body 3 is a polygonal line slope formed by connecting two or more fixed slopes, the minimum value of the slope of the reflecting surface is zero, that is, the included angle between the reflecting surface and the horizontal plane is zero, and the maximum value is infinite, that is, the included angle between the reflecting surface and the horizontal plane is 90 °.
In one example, the second supporting body 3 is a slope formed by combining a curved surface and a straight line or a broken line, the minimum value of the slope of the reflecting surface is zero, that is, the included angle between the reflecting surface and the horizontal plane is zero, and the maximum value is infinite, that is, the included angle between the reflecting surface and the horizontal plane is 90 °.
The support body is formed by a slope which changes the shape of the ground surface from an original plane to a slope facing the assembly, the slope inclines towards the direction of the photovoltaic assembly and serves as a support body to support the reflecting surface, and sunlight which is originally irradiated on the ground on the north and south sides of the photovoltaic assembly is reflected to the photovoltaic assembly which is vertically installed, so that the reflected light irradiated on the photovoltaic assembly is greatly increased, and the power generation capacity of the photovoltaic assembly is increased.
In one example, a reflective plate or a reflective film having a high reflectance to sunlight is laid on the first support 2 and/or the second support 3.
Illustratively, the reflective plate and/or reflective film is a silver-plated or aluminum-plated glass mirror.
Illustratively, the reflective sheet and/or the reflective film is a plastic reflective film made of a transparent plastic film plated with silver or aluminum.
In one example, the first support 2 and/or the second support 3 are coated with a reflective coating having a high reflectivity to sunlight.
Illustratively, the reflective coating may be a relatively high reflectance material such as slaked lime slurry.
The slope inclines towards the direction of the photovoltaic module so as to reflect sunlight irradiated on the slope by the sun to the photovoltaic module which is vertically installed by the reflecting surface. The slope of the slope and the combination of different slopes determine the radiant quantity of the radiation light emitted to the ground from different angles by the sun reflected to the photovoltaic module, so that the optimal combination of the power generation power of the photovoltaic module in different periods can be designed through the combination design of the slopes with different slopes according to the power transmission capacity of the power grid in different periods.
East and west sides may be symmetrical reflective systems or asymmetrical. The asymmetric reflection system is used to enhance the amount of sunlight received on one side, and of course, to reduce the amount of sunlight received on the other side accordingly.
The above embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An east-west facing bifacial photovoltaic module power generation system having a reflective system, comprising at least:
the photovoltaic module comprises a double-sided photovoltaic module (1) facing to the east-west direction, a first support body (2) located on the east side of the double-sided photovoltaic module (1) and a second support body (3) located on the west side of the double-sided photovoltaic module (1);
two-sided photovoltaic module (1) perpendicular to ground installation, first supporter (2) be provided with towards first plane of reflection (21) of two-sided photovoltaic module (1), second supporter (3) be provided with towards second plane of reflection (31) of two-sided photovoltaic module (1), first plane of reflection (21) with second plane of reflection (31) to two-sided photovoltaic module (1) reverberation supports the supporter and the plane of reflection and constitutes reflection system.
2. The east-west facing bifacial photovoltaic module power generation system with reflector system as claimed in claim 1 wherein said bifacial photovoltaic module (1) is vertically mounted to the ground through a bifacial photovoltaic module base (4).
3. The east-west facing bifacial photovoltaic module power generation system with reflector system as claimed in claim 1 wherein said first support (2) and/or said second support (3) is a straight slope with a fixed slope.
4. The east-west facing bifacial photovoltaic module power generation system with reflector system as claimed in claim 1 wherein said first support (2) and/or said second support (3) is a curved ramp with continuously changing slope.
5. The east-west facing bifacial photovoltaic module power generation system with reflector system as claimed in claim 1 wherein said first support (2) and/or said second support (3) are two or more broken line slopes connected with a fixed slope.
6. The east-west facing bifacial photovoltaic module power generation system with a reflector system as claimed in claim 1 wherein said first support (2) and/or said second support (3) is a ramp having a curved surface combined with a straight or broken line.
7. The east-west facing bifacial photovoltaic module power generation system with a reflector system according to claim 1, wherein a reflector plate or a reflector film having a high reflectivity to sunlight is laid on said first support (2) and/or said second support (3).
8. The east-west facing bifacial photovoltaic module power generation system according to claim 7, wherein said reflective sheet and/or said reflective film is a silver or aluminum plated glass mirror.
9. The east-west facing bifacial photovoltaic module power generating system according to claim 7, wherein said reflective sheet and/or said reflective film is a plastic reflective film made of a transparent plastic film plated with silver or aluminum.
10. The east-west facing bifacial photovoltaic module power generation system with a reflector system as claimed in claim 1 wherein said first support (2) and/or said second support (3) is coated with a reflective coating having a high reflectivity to sunlight.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021547036.9U CN212752179U (en) | 2020-07-30 | 2020-07-30 | East-west-oriented double-sided photovoltaic module power generation system with reflection system |
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| CN202021547036.9U CN212752179U (en) | 2020-07-30 | 2020-07-30 | East-west-oriented double-sided photovoltaic module power generation system with reflection system |
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| CN212752179U true CN212752179U (en) | 2021-03-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202200012383A1 (en) * | 2022-06-10 | 2023-12-10 | Tecna Energy Srl | Bifacial photovoltaic solar panel and solar panel field |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202200012383A1 (en) * | 2022-06-10 | 2023-12-10 | Tecna Energy Srl | Bifacial photovoltaic solar panel and solar panel field |
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